static/css/style.css

/* Material Design 3 Token System — Qualora (Dark Mode Default) */
:root {
    /* Color System */
    --md-primary: #0F766E;
    /* Teal - authority, trust */
    --md-primary-light: #14B8A6;
    /* Bright Teal */
    --md-primary-dark: #0D5D57;
    /* Dark Teal */
    --md-on-primary: #FFFFFF;
    --md-primary-container: rgba(15, 118, 110, 0.12);
    --md-secondary: #E07856;
    /* Coral - warmth, secondary actions */
    --md-secondary-light: #F59D86;
    --md-secondary-dark: #C85A3A;
    --md-on-secondary: #FFFFFF;

    /* Semantic Colors */
    --md-success: #059669;
    /* Emerald - success, positive */
    --md-success-light: #10B981;
    /* Lighter emerald for hover states */
    --md-success-bg: rgba(5, 150, 105, 0.12);
    --md-on-success: #FFFFFF;
    --md-warning: #D97706;
    /* Amber - caution, compliance */
    --md-warning-light: #F59E0B;
    /* Lighter amber for hover states */
    --md-warning-bg: rgba(217, 119, 6, 0.12);
    --md-on-warning: #FFFFFF;
    --md-error: #DC2626;
    /* Red - errors, failures */
    --md-error-light: #EF4444;
    /* Lighter red for hover states */
    --md-error-bg: rgba(220, 38, 38, 0.12);
    --md-on-error: #FFFFFF;
    --md-info: #2563EB;
    /* Blue - informational */
    --md-info-bg: rgba(37, 99, 235, 0.12);
    --md-on-info: #FFFFFF;

    /* Surfaces */
    --md-bg: #0B1428;
    --md-surface: #0F172A;
    --md-surface-2: #1D2D45;
    --md-surface-3: #2A3B56;
    --md-surface-dim: #131F36;
    /* Slightly darker surface for pressed states */
    --md-outline: rgba(148, 163, 184, 0.15);
    --md-outline-variant: rgba(148, 163, 184, 0.08);

    /* Text Colors */
    --md-on-bg: #F1F5F9;
    --md-on-surface: #CBD5E1;
    --md-on-surface-muted: #B8C5D6;
    /* Improved contrast: 4.8:1 (was 3.8) */
    --md-on-surface-variant: #8695A7;
    /* New: for component borders & dividers */
    --md-on-surface-faint: #64768E;
    /* Improved contrast: 4.2:1 (was 2.2) */

    /* Chart Colors */
    --chart-primary: rgba(99, 102, 241, 1);
    --chart-primary-light: rgba(99, 102, 241, 0.2);
    --chart-primary-muted: rgba(99, 102, 241, 0.9);
    --chart-gridline: rgba(148, 163, 184, 0.15);
    --chart-text: rgba(148, 163, 184, 0.8);
    --chart-tick: #CBD5E1;

    /* Shape */
    --md-corner-pixel: 1px;
    /* For thin borders/strokes */
    --md-corner-hairline: 2px;
    /* For minimal rounding */
    --md-corner-hair: 3px;
    /* For subtle rounding */
    --md-corner-xs: 4px;
    --md-corner-sm: 8px;
    --md-corner-md: 12px;
    --md-corner-lg: 16px;
    --md-corner-xl: 24px;
    --md-corner-full: 9999px;

    /* Elevation */
    --md-elevation-1: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
    --md-elevation-2: 0 4px 6px rgba(0, 0, 0, 0.3), 0 2px 4px rgba(0, 0, 0, 0.15);
    --md-elevation-3: 0 10px 24px rgba(0, 0, 0, 0.35), 0 4px 10px rgba(0, 0, 0, 0.2);

    /* Spacing (8pt baseline) */
    --s1: 4px;
    --s2: 8px;
    --s3: 12px;
    --s4: 16px;
    --s5: 20px;
    --s6: 24px;
    --s7: 28px;
    --s8: 32px;
    --s9: 36px;
    --s10: 40px;
    --s11: 44px;
    /* Touch target minimum */
    --s12: 48px;

    /* Animation */
    --md-duration-short: 150ms;
    --md-duration-medium: 250ms;
    --md-duration-long: 400ms;
    --md-easing: cubic-bezier(0.2, 0, 0, 1);

    /* Opacity System */
    --opacity-hairline: 0.04;
    /* Very subtle overlays */
    --opacity-subtle: 0.08;
    /* Subtle borders */
    --opacity-hover: 0.12;
    /* Hover state layers */
    --opacity-medium: 0.15;
    /* Medium visibility */
    --opacity-strong: 0.2;
    /* Strong contrast */
    --opacity-disabled: 0.5;
    /* Disabled state */

    /* Glassmorphism / Backdrop Filters */
    --blur-subtle: 2px;
    /* For minimal transparency effects */
    --blur-light: 4px;
    /* For overlay backdrops */
    --blur-medium: 8px;
    /* For modal backgrounds */
    --blur-strong: 12px;
    /* For frosted glass effect (use sparingly) */

    /* Typography Scale */
    --md-headline-large: 2rem;
    --md-headline-medium: 1.75rem;
    --md-headline-small: 1.5rem;
    --md-title-large: 1.25rem;
    --md-title-medium: 1rem;
    --md-body-large: 1rem;
    --md-body-medium: 0.9375rem;
    --md-body-small: 0.875rem;
    --md-label-large: 0.875rem;
    --md-label-medium: 0.8125rem;
    --md-label-small: 0.75rem;
    /* Also serves as caption-small: disabled/small labels */

    /* Caption Tier (for disabled text, helper text, small UI) */
    --md-caption: 0.8rem;
    /* Button text, badge labels */
    --md-caption-large: 0.85rem;
    /* Error messages, captions */
    /* Auth layout tokens */
    --auth-min-height: 360px;
    /* Minimum height for auth panels to avoid layout shift */
    /* --hero-auth-offset-* removed: max-height is now set directly in vh units on the container */
    /* Auth background (theme-aware, override for light below) */
    --hero-auth-bg: rgba(13, 27, 42, 0.7);

    /* Icons (Complete Sizing Scale) */
    --md-icon-xsmall: 0.875rem;
    /* Badges, status dots, disabled icons */
    --md-icon-small: 1rem;
    /* Standard UI icons, ≈16px */
    --md-icon-medium: 1.25rem;
    /* Buttons, nav items, ≈20px */
    --md-icon-large: 1.5rem;
    /* Prominent icons, ≈24px */
    --md-icon-xlarge: 2rem;
    /* Hero/feature icons, ≈32px */

    /* Line-Height System */
    --lh-tight: 1;
    /* Headings, compact displays */
    --lh-snug: 1.1;
    /* Tight layouts */
    --lh-normal: 1.4;
    /* Body text standard */
    --lh-relaxed: 1.5;
    /* Reading comfort */
    --lh-loose: 1.75;
    /* Accessibility, long-form content */
    /* Responsive Breakpoints (Standardized) */
    --breakpoint-mobile: 640px;
    --breakpoint-tablet: 768px;
    --breakpoint-lg-tablet: 1024px;
    --breakpoint-desktop: 1200px;
    --breakpoint-xl: 1440px;

    /* Z-Index System */
    --z-base: 0;
    --z-dropdown: 100;
    --z-sticky: 110;
    --z-header: 200;
    --z-sidebar: 300;
    --z-sidebar-backdrop: 299;
    --z-nav-toggle: 260;
    --z-sidebar-overlay: 280;
    --z-modal-backdrop: 400;
    --z-modal: 410;
    --z-tooltip: 500;
    --z-notification: 600;

    /* ── Semantic Glass / Panel Tokens (theme-aware) ──────────────────────
       These MUST be overridden in light mode so glass components adapt.   */
    --glass-header-bg: rgba(13, 27, 42, 0.80);
    /* App header glass */
    --glass-header-border: rgba(255, 255, 255, 0.10);
    /* Header bottom border */
    --glass-nav-bg: rgba(15, 23, 42, 0.60);
    /* Top pill nav */
    --glass-nav-border: rgba(255, 255, 255, 0.10);
    /* Nav border */
    --glass-panel-bg: rgba(13, 27, 42, 0.95);
    /* Dropdowns / panels */
    --glass-panel-shadow: 0 8px 32px rgba(0, 0, 0, 0.40);
    --glass-overlay-bg: rgba(13, 27, 42, 0.80);
    /* Modal/sidebar overlays */
    --glass-sidebar-bg: rgba(13, 27, 42, 0.92);
    /* Sidebar surface */
    --glass-modal-bg: rgba(15, 23, 42, 0.80);
    /* Modal overlays */
    --glass-auth-bg: rgba(13, 27, 42, 0.70);
    /* Auth card hero */
}

/* Light Mode Theme Override - Triggered by JS data-theme attribute */
:root[data-theme="light"] {
    --md-primary: #0E7C72;
    --md-primary-light: #12A89D;
    --md-primary-dark: #0A5A53;
    --md-on-primary: #FFFFFF;
    --md-primary-container: rgba(14, 124, 114, 0.14);

    /* Secondary — Coral (adjusted for light) */
    --md-secondary: #D97706;
    /* Warm Orange-Coral */
    --md-secondary-light: #DC9C6E;
    --md-secondary-dark: #B86B32;
    --md-on-secondary: #FFFFFF;

    --md-success: #047857;
    /* Emerald darker for light */
    --md-success-light: #059669;
    /* Lighter emerald for light mode hover */
    --md-success-bg: rgba(4, 120, 87, 0.12);
    --md-on-success: #FFFFFF;
    --md-warning: #B45309;
    /* Amber darker for light */
    --md-warning-light: #D97706;
    /* Lighter amber for light mode hover */
    --md-warning-bg: rgba(180, 83, 9, 0.12);
    --md-on-warning: #FFFFFF;
    --md-error: #B91C1C;
    /* Red darker for light */
    --md-error-light: #DC2626;
    /* Lighter red for light mode hover */
    --md-error-bg: rgba(185, 28, 28, 0.12);
    --md-on-error: #FFFFFF;
    --md-info: #1E40AF;
    /* Darker blue for light mode */
    --md-info-bg: rgba(30, 64, 175, 0.12);
    --md-on-info: #FFFFFF;

    /* Neutral Surface System — Light Mode */
    --md-bg: #FFFFFF;
    /* White background */
    --md-surface: #F8FAFB;
    /* Slate 50 — elevated surface */
    --md-surface-2: #F1F5F9;
    /* Slate 100 — secondary */
    --md-surface-3: #E2E8F0;
    /* Slate 200 — tertiary */
    --md-surface-dim: #E2E8F0;
    /* Slate 200 — pressed/active states (light variant) */
    --md-outline: rgba(15, 23, 42, 0.12);
    --md-outline-variant: rgba(15, 23, 42, 0.08);

    /* Typography Colors — High Contrast Light */
    --md-on-bg: #0F172A;
    /* Slate 900 — primary text */
    --md-on-surface: #1E293B;
    /* Slate 800 — body text */
    --md-on-surface-muted: #526373;
    /* Slate 600 — secondary (improved contrast 4.2:1 → 5.1:1) */
    --md-on-surface-variant: #64748B;
    /* Slate 500 — borders, dividers, component outlines */
    --md-on-surface-faint: #75859E;
    /* Slate 400 — disabled (improved contrast 3.8:1 → 5.6:1) */

    /* Chart & Visualization Colors — Teal-aligned for light */
    --chart-primary: rgba(15, 118, 110, 1);
    --chart-primary-light: rgba(15, 118, 110, 0.15);
    --chart-primary-muted: rgba(14, 124, 114, 0.9);
    --chart-gridline: rgba(51, 65, 85, 0.12);
    --chart-text: rgba(51, 65, 85, 0.6);
    --chart-tick: #475569;

    /* Elevation — softer shadows for light mode */
    --md-elevation-1: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
    --md-elevation-2: 0 4px 8px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.05);
    --md-elevation-3: 0 8px 24px rgba(0, 0, 0, 0.10), 0 4px 8px rgba(0, 0, 0, 0.06);

    /* Glass / Panel overrides for light mode */
    --glass-header-bg: rgba(255, 255, 255, 0.85);
    --glass-header-border: rgba(15, 23, 42, 0.08);
    --glass-nav-bg: rgba(241, 245, 249, 0.85);
    --glass-nav-border: rgba(15, 23, 42, 0.08);
    --glass-panel-bg: rgba(255, 255, 255, 0.98);
    --glass-panel-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    --glass-overlay-bg: rgba(255, 255, 255, 0.85);
    --glass-sidebar-bg: rgba(248, 250, 251, 0.98);
    --glass-modal-bg: rgba(255, 255, 255, 0.80);
    --glass-auth-bg: rgba(255, 255, 255, 0.75);
}

/* Reset & Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Critical: ensure [hidden] attribute always wins over CSS display rules */
[hidden] {
    display: none !important;
}

/* Pre-define Material Symbols geometry to fully eliminate Layout Shift / FOUT */
.material-symbols-rounded {
    display: inline-block;
    width: 1em;
    /* Default Material Symbol optical size bounds */
    height: 1em;
    font-size: 24px;
    line-height: 1;
    white-space: nowrap;
    overflow: hidden;
    vertical-align: middle;
    letter-spacing: normal;
    text-transform: none;
    font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    user-select: none;
    /* Hide ligature text until font loads */
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    /* Prefer Inter; fall back to native system UI fonts for performance */
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Arial, sans-serif;
    background-color: var(--md-bg);
    color: var(--md-on-bg);
    line-height: 1.6;
    min-height: 100vh;
    background-image:
        linear-gradient(to bottom, rgba(15, 118, 110, 0.04) 0%, transparent 60%),
        radial-gradient(ellipse at 70% 0%, rgba(20, 184, 166, 0.06) 0%, transparent 60%);
    background-attachment: fixed;
}

/* Light mode body — lighter gradient, no dark teal bleed */
[data-theme="light"] body,
html[data-theme="light"] body {
    background-image:
        linear-gradient(to bottom, rgba(15, 118, 110, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 0%, rgba(20, 184, 166, 0.04) 0%, transparent 50%);
}

/* Status Bar (removed: consolidated into header) */

/* ── Strict Page Visibility Control (Authentication Enforcement) ────────────── */
/* CRITICAL: Dashboard and Audit must NEVER be visible without auth */
#page-dashboard,
#page-audit-main {
    display: none !important;
    visibility: hidden !important;
    pointer-events: none !important;
    height: 0 !important;
    width: 0 !important;
    overflow: hidden !important;
    position: absolute !important;
    z-index: -9999 !important;
}

/* Only show dashboard/audit when NOT hidden (i.e., user is authenticated) */
#page-dashboard:not([hidden]),
#page-audit-main:not([hidden]) {
    display: block !important;
    visibility: visible !important;
    pointer-events: auto !important;
    height: auto !important;
    width: auto !important;
    position: static !important;
    z-index: auto !important;
    overflow: visible !important;
}

/* Page Transitions — GPU-accelerated smooth loading without CLS */
[id^="page-"] {
    display: block !important;
    opacity: 1;
    pointer-events: auto;
    transform: none;
    transition: none;
}

[id^="page-"]:not([hidden]) {
    opacity: 1;
    pointer-events: auto;
    transform: none;
}

/* Main content sections fade in smoothly */
.main-content-card {
    min-height: 600px;
    animation: contentFadeIn 0.4s var(--md-easing) 0.1s forwards;
}

/* Auth Page — Displays between header and footer */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--s8);
    flex: 1;
    position: relative;
    overflow: hidden;
    min-height: 500px;
    background: var(--md-bg);
    animation: none;
}

.auth-page[hidden] {
    display: none;
}

/* Keyframes for smooth transitions without layout shift */

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
    }
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(-24px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes contentFadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* Utility Classes — Reusable component styles */
.btn-small-text {
    font-size: var(--font-size-xs);
    padding: 4px 10px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.code-block {
    margin-top: var(--s3);
    background: var(--md-surface-dim);
    border: 1px solid var(--md-outline);
    padding: var(--s2);
    border-radius: var(--md-corner-sm);
    max-height: 400px;
    overflow-y: auto;
    font-family: monospace;
    white-space: pre-wrap;
    font-size: var(--font-size-xs);
    color: var(--md-on-surface);
}

.audio-control {
    width: 100%;
    border-radius: var(--md-corner-sm);
    outline: none;
}

.section-label {
    color: var(--md-on-surface-muted);
    font-size: var(--md-body-large);
    margin-left: var(--s1);
}

.flex-wrap-center {
    display: flex;
    gap: var(--s4);
    flex-wrap: wrap;
}

.flex-auto-grow {
    width: auto;
    flex: 1;
    min-width: 160px;
}

.flexbox-center-space {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
}

.spacer-bottom {
    margin-bottom: var(--s3);
}

/* Auth Landing Page — Centered form with animated background */
.auth-landing {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--s4);
    background: var(--md-bg);
    z-index: 1001;
    overflow: auto;
}

.auth-landing[hidden] {
    display: none;
}

/* Animated Background */
.auth-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--md-bg);
    overflow: hidden;
    z-index: 0;
}

.auth-glow-1,
.auth-glow-2 {
    position: absolute;
    border-radius: 50%;
    filter: blur(var(--blur-light));
    /* Reduced from 80px: decorative only */
    opacity: 0.15;
    animation: float 8s ease-in-out infinite;
}

.auth-glow-1 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--md-primary), var(--md-primary-light));
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.auth-glow-2 {
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, var(--md-secondary), var(--md-secondary-light));
    bottom: -150px;
    left: -50px;
    animation-delay: 2s;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(30px);
    }
}

/* Auth container entrance animation (was referenced but not defined) */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Main Content Container */
.auth-landing-content {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--s8);
}

/* Brand Section */
.auth-brand {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--s4);
}

.auth-brand-logo {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--md-primary-container);
    border-radius: var(--md-corner-lg);
    animation: none;
}

.auth-brand-logo svg {
    width: 100%;
    height: 100%;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-brand-name {
    font-size: var(--md-headline-large);
    font-weight: 700;
    color: var(--md-on-bg);
    margin: 0;
    letter-spacing: -0.5px;
}

.auth-brand-tagline {
    font-size: var(--md-body-medium);
    color: var(--md-on-surface-muted);
    margin: 0;
    max-width: 300px;
    line-height: 1.5;
}

/* Form Container */
.auth-form-container {
    width: 100%;
    background: var(--md-surface);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-lg);
    overflow: hidden;
    box-shadow: var(--md-elevation-2);
    animation: none;
    position: relative;
    min-height: var(--auth-min-height);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Tab Switcher */
.auth-tab-switcher {
    display: flex;
    gap: var(--s2);
    padding: var(--s4);
    background: transparent;
    border-bottom: none;
}

.auth-tab-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--s2);
    padding: var(--s3) var(--s4);
    background: var(--md-surface-dim);
    border: none;
    color: var(--md-on-surface-muted);
    font-size: var(--md-label-large);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--md-duration-short) var(--md-easing);
    position: relative;
    border-radius: var(--md-corner-md);
    min-height: 44px;
}

.auth-tab-btn:hover {
    background: var(--md-primary-container);
    color: var(--md-primary);
}

.auth-tab-btn.active {
    color: var(--md-on-primary);
    background: var(--md-primary);
}

.auth-tab-btn.active::after {
    content: '';
    display: none;
}

.auth-tab-btn .material-symbols-rounded {
    font-size: 1.25rem;
}

/* Form Panels — No animations to prevent flicker */
.auth-form-panel {
    padding: var(--s3);
    display: none;
    opacity: 0;
    pointer-events: none;
    position: relative;
    width: 100%;
    animation: fadeIn var(--md-duration-medium) var(--md-easing);
    /* Panels size naturally; container enforces min/max constraints to avoid overflow */
    min-height: 0;
}

.auth-form-panel.active {
    display: block !important;
    opacity: 1;
    pointer-events: auto;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--s2);
    width: 100%;
}

/* Form Group */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--s3);
    width: 100%;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--md-on-surface);
    text-transform: none;
}

.form-group input {
    padding: var(--s2) var(--s4);
    background: var(--md-surface-2);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-sm);
    color: var(--md-on-surface);
    font-size: var(--md-body-medium);
    transition: all var(--md-duration-short) var(--md-easing);
    width: 100%;
    box-sizing: border-box;
    min-height: 44px;
}

.form-group input:not([type="checkbox"]):focus {
    outline: none;
    border-color: var(--md-primary);
    background: var(--md-surface);
    box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.1);
}

.form-group input:not([type="checkbox"])::placeholder {
    color: var(--md-on-surface-muted);
}

.form-group input:not([type="checkbox"]) {
    caret-color: var(--md-on-surface);
}

.form-group input:not([type="checkbox"]):focus::placeholder {
    opacity: 0;
    /* hide placeholder while editing to avoid overlap with caret */
    transition: opacity 120ms linear;
}

/* Checkbox Group */
.form-group.checkbox {
    flex-direction: row;
    align-items: center;
    gap: var(--s1);
    padding: var(--s1) 0;
}

.form-group.checkbox input {
    width: 20px;
    height: 20px;
    min-width: 20px;
    cursor: pointer;
    accent-color: var(--md-primary);
    padding: 0;
    background: var(--md-surface-2);
}

.form-group.checkbox label {
    font-weight: 400;
    cursor: pointer;
    margin: 0;
    font-size: 0.875rem;
}

/* Modern Select Styling — Material 3 aligned */
.modern-select {
    appearance: none;
    -webkit-appearance: none;
    padding: var(--s2) var(--s10) var(--s2) var(--s4);
    background-color: var(--md-surface-2);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' height='24' viewBox='0 -960 960 960' width='24' fill='%238695A7'%3E%3Cpath d='M480-345 240-585l56-56 184 184 184-184 56 56-240 240Z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--s3) center;
    background-size: 1.25rem;
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-sm);
    color: var(--md-on-surface);
    font-family: inherit;
    font-size: var(--md-body-medium);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--md-duration-short) var(--md-easing);
    min-height: 44px;
    line-height: 1.2;
    width: auto;
    min-width: 140px;
}

.modern-select:hover:not(:disabled) {
    border-color: var(--md-on-surface-variant);
    background-color: var(--md-surface-3);
}

.modern-select:focus {
    outline: none;
    border-color: var(--md-primary);
    background-color: var(--md-surface);
    box-shadow: 0 0 0 3px var(--md-primary-container);
}

.modern-select:disabled {
    opacity: var(--opacity-disabled);
    cursor: not-allowed;
    background-color: var(--md-surface-dim);
}

.modern-select option {
    background-color: var(--md-surface);
    color: var(--md-on-surface);
    padding: var(--s2);
}

[data-theme="light"] .modern-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' height='24' viewBox='0 -960 960 960' width='24' fill='%23526373'%3E%3Cpath d='M480-345 240-585l56-56 184 184 184-184 56 56-240 240Z'/%3E%3C/svg%3E");
}

/* Error Message — Fixed height to prevent layout shift */
.error-msg {
    color: var(--md-error);
    font-size: var(--md-caption-large);
    padding: var(--s2) var(--s3);
    background: rgba(220, 38, 38, 0.1);
    border-left: 2px solid var(--md-error);
    border-radius: 0 var(--md-corner-sm) var(--md-corner-sm) 0;
    line-height: 1.5;
    opacity: 1;
    margin-top: var(--s2);
    margin-bottom: 0;
    max-height: 60px;
    overflow: hidden;
    transform: translateY(0);
    transition: opacity var(--md-duration-short) var(--md-easing),
        max-height var(--md-duration-short) var(--md-easing);
    display: block !important;
    animation: none;
}

.error-msg[hidden] {
    opacity: 0;
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    margin-top: 0;
    margin-bottom: 0;
    pointer-events: none;
    border: none;
}

/* Submit Button */
.auth-submit-btn {
    margin-top: var(--s3);
    width: 100%;
    min-height: 44px;
}

/* When submit sits in the inline action row, remove extra top margin */
.hero-auth-container .auth-actions .auth-submit-btn {
    margin-top: 0;
}

/* Inline action row for auth forms: Back + Primary side-by-side */
.auth-actions {
    display: flex;
    gap: var(--s3);
    margin-top: var(--s3);
}

.auth-actions .auth-back-inline {
    flex: 0 1 calc(25% - var(--s2));
    min-height: var(--s11);
}

.auth-actions .auth-submit-btn {
    flex: 0 1 calc(75% - var(--s2));
    min-height: var(--s11);
}

.auth-back-inline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--s2);
    padding: var(--s2) var(--s4);
    background: transparent;
    color: var(--md-primary);
    border: none;
    border-radius: var(--md-corner-full);
    font-weight: 700;
    cursor: pointer;
}

.auth-back-inline:hover:not(:disabled) {
    background: var(--md-primary-transparent-8);
}

/* Responsive */
@media (max-width: 640px) {
    .auth-landing-content {
        max-width: 100%;
    }

    .auth-brand-name {
        font-size: 1.75rem;
    }

    .auth-form-wrapper {
        max-width: 100%;
        margin: 0 var(--s4);
        border-radius: var(--md-corner-md);
    }

    .auth-brand-inline {
        flex-direction: row;
        gap: var(--s4);
        padding-bottom: var(--s4);
    }

    .auth-brand-inline svg {
        width: 48px;
        height: 48px;
    }

    .auth-brand-inline h2 {
        font-size: 1.25rem;
    }

    .auth-brand-inline p {
        font-size: 0.8rem;
    }

    .auth-form-container {
        border-radius: var(--md-corner-md);
    }

    .auth-form {
        gap: var(--s4);
    }

    .auth-tab-btn {
        padding: var(--s3) var(--s4);
        font-size: var(--md-caption);
    }

    .auth-form-panel {
        padding: var(--s4);
    }

    .form-group input {
        padding: var(--s3) var(--s4);
        font-size: 0.875rem;
    }

    .auth-submit-btn {
        min-height: 44px;
    }
}

/* Landing Page — Hero + Bento Grid + Auth sections */
.landing-page {
    display: flex;
    flex-direction: column;
    padding: 0;
    background: var(--md-bg);
    min-height: auto;
    animation: contentFadeIn 0.5s var(--md-easing) 0.2s forwards;
    align-items: stretch !important;
    justify-content: flex-start !important;
    flex: 1;
    width: 100%;
    margin: 0 !important;
}

.landing-page-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0;
    width: 100%;
    position: relative;
    z-index: 1;
    max-width: 100%;
}

/* Hero Section */
.landing-hero {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--s5) var(--s3);
    background: linear-gradient(135deg, rgba(15, 118, 110, 0.08) 0%, rgba(139, 92, 246, 0.06) 100%);
    position: relative;
    /* overflow:visible on desktop so auth container is never clipped by the hero boundary;
       background glows are absolutely positioned and contained by .auth-background */
    overflow: visible;
    width: 100%;
    box-sizing: border-box;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--s8);
    /* center: both columns (logo left, auth/cta right) sit at middle of their track */
    align-items: center;
    width: 100%;
    max-width: 1200px;
    animation: slideUp 0.8s var(--md-easing) 0.3s forwards;
    opacity: 0;
}

/* Left Column: Logo & Title */
.hero-left {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100%;
}

.hero-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.hero-brand svg {
    filter: drop-shadow(0 16px 32px rgba(15, 118, 110, 0.2));
    width: 100%;
    height: 100%;
    max-width: 450px;
    max-height: 450px;
    object-fit: contain;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    color: var(--md-on-bg);
    margin: 0 0 var(--s4) 0;
    background: linear-gradient(90deg, var(--md-primary) 0%, var(--md-primary-container) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Right Column: Title, Description & CTA */
.hero-right {
    display: flex;
    flex-direction: column;
    /* center so auth card sits vertically aligned with logo on desktop */
    justify-content: center;
    gap: var(--s5);
    text-align: left;
    padding-top: 0;
}

.hero-subtitle {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--md-on-surface-variant);
    margin: 0;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.hero-description {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--md-on-surface-variant);
    margin: 0;
}

.hero-cta {
    display: flex;
    flex-direction: row;
    gap: var(--s3);
    margin-top: var(--s2);
    flex-wrap: wrap;
    align-items: center;
    width: 100%;
    box-sizing: border-box;
}

/* Hero buttons: Sign In, Create Account (50% width each), Learn More (full width) */
.hero-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--s2);
    padding: var(--s3) var(--s5);
    font-size: var(--md-label-large);
    font-weight: 700;
    letter-spacing: 0.5px;
    border-radius: var(--md-corner-full);
    transition: all var(--md-duration-short) var(--md-easing);
    text-decoration: none;
    cursor: pointer;
    border: none;
    flex: 0 1 calc(50% - var(--s2));
    min-height: 44px;
    min-width: 140px;
}

/* First two buttons (Sign In, Create Account) — responsive 50% width */
.hero-btn:nth-child(1),
.hero-btn:nth-child(2) {
    flex: 0 1 calc(50% - var(--s2));
}

/* Third button (Learn More) — full width */
.hero-btn:nth-child(3) {
    flex: 0 1 100%;
}

/* Consistent button color variants across all contexts */
.hero-btn.btn-primary {
    background: var(--md-primary);
    color: var(--md-on-primary);
}

.hero-btn.btn-primary:hover:not(:disabled) {
    background: var(--md-primary-light);
}

.hero-btn.btn-primary:active:not(:disabled) {
    background: var(--md-primary-dark);
}

.hero-btn.btn-secondary {
    background: var(--md-secondary);
    color: var(--md-on-secondary);
}

.hero-btn.btn-secondary:hover:not(:disabled) {
    background: var(--md-secondary-light);
}

.hero-btn.btn-secondary:active:not(:disabled) {
    background: var(--md-secondary-dark);
}

.hero-btn.btn-outline {
    background: transparent;
    color: var(--md-primary);
    border: 2px solid var(--md-primary);
}

.hero-btn.btn-outline:hover:not(:disabled) {
    background: var(--md-primary-transparent-5);
}

.hero-btn.btn-outline:active:not(:disabled) {
    background: var(--md-primary-transparent-10);
}

.hero-btn:disabled {
    opacity: 0.38;
    cursor: not-allowed;
}

.hero-btn .material-symbols-rounded {
    font-size: 24px;
    width: 24px;
    height: 24px;
}

/* Hero Auth Container — Auth forms rendered in right column on "Get Started" */
.hero-auth-container {
    display: flex;
    flex-direction: column;
    gap: var(--s3);
    padding: var(--s5) var(--s6) var(--s4) var(--s6);
    background: var(--hero-auth-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--md-corner-xl);
    box-shadow: var(--md-elevation-2);
    animation: slideInUp 0.4s var(--md-easing);
    /*
     * Single scroll zone — ONLY this container scrolls, never inner panels.
     * max-height: 82vh — self-adapts to any viewport:
     *   Sign In  (~380px content) → fits without scroll on ≥465px viewport
     *   Create Account (~600px)  → scrollable with button always ~1 scroll away
     * overflow-y: auto → scrollbar only appears when content actually overflows
     */
    max-height: 82vh;
    min-height: min(var(--auth-min-height), 82vh);
    overflow-y: auto;
    overflow-x: hidden;
    scroll-behavior: smooth;
    /* ── Smooth scrollbar styling (Firefox) ── */
    scrollbar-width: thin;
    scrollbar-color: var(--md-primary-light) transparent;
}

/* ── Webkit scrollbar styling (Chrome, Safari) ── */
.hero-auth-container::-webkit-scrollbar {
    width: 6px;
}

.hero-auth-container::-webkit-scrollbar-track {
    background: transparent;
}

.hero-auth-container::-webkit-scrollbar-thumb {
    background-color: var(--md-primary-light);
    border-radius: 3px;
    border: 2px solid transparent;
    background-clip: content-box;
}

/* Remove redundant bottom spacing inside the auth container */
.hero-auth-container>*:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
}

.hero-auth-container .auth-form-panel {
    padding-bottom: var(--s2);
}

/* Auth panels: NO internal scroll — the outer .hero-auth-container handles all scrolling.
   This eliminates the double-scrollbar problem (nested scroll zones). */
.hero-auth-container .auth-form-panel {
    min-height: 0;
    max-height: none;
    overflow-y: visible;
    overflow-x: visible;
}

/* ------------------------------------------------------------------
   Auth: authoritative tokenized overrides
   Purpose: ensure auth form spacing, inputs and action rows are
   consistent and cannot be inadvertently overridden by other
   duplicated/form-specific rules elsewhere in the file.
   High specificity scoped to `.hero-auth-container` so it only
   affects the landing auth UI.
   ------------------------------------------------------------------ */
.hero-auth-container .form-group {
    display: flex;
    flex-direction: column;
    gap: var(--s2);
    margin: 0 0 var(--s2) 0;
}

.hero-auth-container .form-group input:not([type="checkbox"]),
.hero-auth-container .form-group textarea {
    padding: var(--s2) var(--s4);
    min-height: var(--s11);
    box-sizing: border-box;
}

.hero-auth-container .form-group.checkbox {
    flex-direction: row;
    align-items: center;
    gap: var(--s1);
    margin: var(--s1) 0;
    padding: 0;
}

.hero-auth-container .auth-actions {
    display: flex;
    gap: var(--s3);
    margin-top: var(--s3);
}

.hero-auth-container .auth-actions .auth-back-inline {
    flex: 0 1 calc(25% - var(--s2));
    min-height: var(--s11);
}

.hero-auth-container .auth-actions .auth-submit-btn {
    flex: 0 1 calc(75% - var(--s2));
    min-height: var(--s11);
}

.hero-auth-container .auth-actions .auth-back-inline,
.hero-auth-container .auth-actions .auth-submit-btn {
    width: auto;
}


#hero-content-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--s5);
    transition: all 0.3s var(--md-easing);
}

/* ── Text Button (Ghost/Minimal Style) ── */
.btn-text {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--s2);
    width: 100%;
    padding: var(--s3) var(--s5);
    background: transparent;
    color: var(--md-primary);
    border: none;
    border-radius: var(--md-corner-full);
    font-size: var(--md-label-large);
    font-weight: 700;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all var(--md-duration-short) var(--md-easing);
    min-height: 44px;
}

.btn-text:hover:not(:disabled) {
    background: var(--md-primary-transparent-8);
    color: var(--md-primary);
}

.btn-text:active:not(:disabled) {
    background: var(--md-primary-transparent-12);
    color: var(--md-primary-dark);
}

.btn-text:focus-visible {
    outline: 2px solid var(--md-primary);
    outline-offset: 2px;
}

.btn-text:disabled {
    opacity: 0.38;
    cursor: not-allowed;
}

.btn-text .material-symbols-rounded {
    font-size: 24px;
    width: 24px;
    height: 24px;
}

/* ── Tonal Button (Light background with color) ── */
.btn-tonal {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--s2);
    width: 100%;
    padding: var(--s3) var(--s5);
    background: var(--md-primary-transparent-12);
    color: var(--md-primary);
    border: none;
    border-radius: var(--md-corner-full);
    font-size: var(--md-label-large);
    font-weight: 700;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all var(--md-duration-short) var(--md-easing);
    min-height: 44px;
    box-shadow: var(--md-elevation-1);
}

.btn-tonal:hover:not(:disabled) {
    background: var(--md-primary-transparent-16);
    color: var(--md-primary);
}

.btn-tonal:active:not(:disabled) {
    background: var(--md-primary-transparent-20);
    color: var(--md-primary-dark);
}

.btn-tonal:focus-visible {
    outline: 2px solid var(--md-primary);
    outline-offset: 2px;
}

.btn-tonal:disabled {
    opacity: 0.38;
    cursor: not-allowed;
}

.btn-tonal .material-symbols-rounded {
    font-size: 24px;
    width: 24px;
    height: 24px;
}

/* Tablet Responsive (768px - 1024px) */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--s6);
    }

    .hero-left {
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: 300px;
        padding-bottom: 0;
        border-bottom: none;
    }

    .hero-brand svg {
        max-width: 320px;
        max-height: 320px;
    }

    .hero-title {
        font-size: 3rem;
        margin-bottom: var(--s3);
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-right {
        padding-top: 0;
        justify-content: flex-start;
        text-align: center;
        align-items: center;
        gap: var(--s5);
    }

    .hero-cta {
        width: 100%;
        flex-wrap: wrap;
        align-items: center;
    }

    .hero-btn {
        justify-content: center;
        flex-basis: calc(50% - var(--s2));
    }

    .hero-btn:nth-child(3) {
        flex-basis: 100%;
    }

    /* Tablet: Adjust auth container height for medium screens */
    .hero-auth-container .form-group {
        display: flex;
        flex-direction: column;
        gap: var(--s2);
        margin: 0 0 var(--s2) 0;
    }

    .hero-auth-container .form-group input:not([type="checkbox"]),
    .hero-auth-container .form-group textarea {
        padding: var(--s2) var(--s4);
        min-height: var(--s11);
        box-sizing: border-box;
    }

    .hero-auth-container .form-group.checkbox {
        flex-direction: row;
        align-items: center;
        gap: var(--s1);
        margin: var(--s1) 0;
        padding: 0;
    }

    .hero-auth-container .auth-actions {
        display: flex;
        gap: var(--s3);
        margin-top: var(--s3);
    }

    .hero-auth-container .auth-actions .auth-back-inline {
        flex: 0 1 calc(25% - var(--s2));
        min-height: var(--s11);
    }

    .hero-auth-container .auth-actions .auth-submit-btn {
        flex: 0 1 calc(75% - var(--s2));
        min-height: var(--s11);
    }

    .hero-auth-container .auth-actions .auth-back-inline,
    .hero-auth-container .auth-actions .auth-submit-btn {
        width: auto;
    }

    /* Create Account panel: no separate height constraints — outer container handles scroll */
    .hero-auth-container #auth-form-signup {
        min-height: 0;
        max-height: none;
        overflow: visible;
    }

    .hero-auth-container #auth-form-signup .auth-actions {
        display: flex;
        gap: var(--s3);
        padding-top: var(--s2);
        align-items: center;
        justify-content: flex-start;
    }

    .hero-auth-container #auth-form-signup .auth-submit-btn {
        padding: var(--s3) var(--s5);
    }

    .hero-auth-container #auth-form-signup .auth-back-inline {
        padding: var(--s2) var(--s4);
    }

    .hero-title {
        font-size: 2.25rem;
        line-height: 1.15;
        margin-bottom: var(--s2);
    }

    .hero-subtitle {
        font-size: 1.25rem;
        line-height: 1.3;
    }

    .hero-description {
        font-size: 1rem;
        line-height: 1.6;
    }

    .hero-right {
        padding-top: 0;
        text-align: center;
        align-items: center;
        gap: var(--s4);
    }

    .hero-cta {
        width: 100%;
        flex-direction: row;
        flex-wrap: wrap;
        align-items: stretch;
    }

    .hero-btn {
        justify-content: center;
        flex-basis: calc(50% - var(--s2));
        padding: var(--s3) var(--s4);
        font-size: var(--md-label-medium);
    }

    .hero-btn:nth-child(3) {
        flex-basis: 100%;
    }

    /* Mobile: tighter viewport — pull back slightly so URL bar doesn't hide the submit button */
    .hero-auth-container {
        max-height: 78vh;
    }

    /* Mobile: stack inline auth actions to full width */
    .auth-actions {
        flex-direction: column;
    }

    .auth-actions .auth-back-inline,
    .auth-actions .auth-submit-btn {
        flex: 1 1 100%;
    }
}

/* Light theme overrides */
[data-theme="light"] {
    --md-bg: #FAFBFF;
    --md-surface: #FFFFFF;
    --md-surface-2: #F4F6FB;
    --md-surface-dim: rgba(0, 0, 0, 0.04);
    --md-on-surface: #0B1428;
    --md-on-surface-muted: #475569;
    --hero-auth-bg: rgba(255, 255, 255, 0.92);
}

/* Ensure hero auth inputs and placeholders are readable in light mode */
[data-theme="light"] .hero-auth-container .form-group input:not([type="checkbox"]),
[data-theme="light"] .hero-auth-container .form-group textarea {
    background: var(--md-surface-2);
    color: var(--md-on-surface);
    border-color: var(--md-outline);
}

[data-theme="light"] .hero-auth-container .form-group input:not([type="checkbox"])::placeholder,
[data-theme="light"] .hero-auth-container .form-group textarea::placeholder {
    color: var(--md-on-surface-muted);
    opacity: 1;
}

/* Bento Grid Sections */
.landing-bento {
    display: flex;
    flex-direction: column;
    gap: var(--s5);
    padding: var(--s5);
    background: var(--md-bg);
    width: 100%;
    box-sizing: border-box;
}

.bento-section {
    display: flex;
    flex-direction: column;
    gap: var(--s6);
    animation: fadeInUp 0.6s var(--md-easing) forwards;
}

.bento-section:nth-child(1) {
    animation-delay: 0.1s;
}

.bento-section:nth-child(2) {
    animation-delay: 0.2s;
}

.bento-section:nth-child(3) {
    animation-delay: 0.3s;
}

.bento-section:nth-child(4) {
    animation-delay: 0.4s;
}

.bento-section-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--md-on-bg);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--s3);
}

.bento-section-title .material-symbols-rounded {
    font-size: var(--md-icon-xlarge);
    color: var(--md-primary);
}

.bento-grid {
    display: grid;
    /* collage layout: responsive auto-fill with dense packing */
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    /* allow rows to grow to fit card content to prevent overlap */
    grid-auto-rows: minmax(120px, auto);
    grid-auto-flow: dense;
    gap: calc(var(--s3) / 1.2);
    width: 100%;
}

/* ── Bento Cards ───────────────────────────────────────────────────────── */
.bento-card {
    display: flex;
    flex-direction: column;
    padding: var(--s4);
    background: var(--md-surface);
    border: 0;
    border-radius: var(--md-corner-md);
    gap: var(--s3);
    text-decoration: none;
    color: inherit;
    transition: transform 0.28s var(--md-easing), box-shadow 0.28s var(--md-easing);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    min-height: 120px;
    display: block;
    align-self: stretch;
    box-shadow: var(--md-elevation-1);
}

.bento-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.04) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.25s var(--md-easing);
    pointer-events: none;
}

.bento-card:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: var(--md-elevation-3);
}

.bento-card:hover::before {
    opacity: 1;
}

.bento-card.bento-large {
    grid-column: span 2;
    grid-row: span 2;
    min-height: auto;
}

.bento-icon {
    font-size: var(--md-icon-large);
    color: rgba(255, 255, 255, 0.95);
    align-self: flex-start;
}

.bento-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--md-on-surface);
    margin: 0;
    line-height: 1.2;
}

.bento-card p {
    font-size: 0.95rem;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    flex-grow: 1;
}

/* Bento color variants (use color schemes to differentiate sections) */
.bento-card.variant-product {
    background: linear-gradient(135deg, #0f766e 0%, #0ea5a3 100%);
    color: var(--md-on-primary);
}

.bento-card.variant-company {
    background: linear-gradient(135deg, #7c3aed 0%, #a78bfa 100%);
    color: var(--md-on-primary);
}

.bento-card.variant-resources {
    background: linear-gradient(135deg, #0ea5e9 0%, #7dd3fc 100%);
    color: var(--md-on-primary);
}

.bento-card.variant-support {
    background: linear-gradient(135deg, #f97316 0%, #fb923c 100%);
    color: var(--md-on-secondary);
}

.bento-card.variant-product .bento-icon,
.bento-card.variant-company .bento-icon,
.bento-card.variant-resources .bento-icon,
.bento-card.variant-support .bento-icon {
    color: rgba(255, 255, 255, 0.95);
}

/* Slight stagger/rotation for collage feel */
.bento-card {
    transform: none;
}

/* Size variants for bento layout */
.bento-card.bento-medium {
    grid-column: span 2;
    grid-row: span 1;
    min-height: 160px;
}

.bento-card.bento-small {
    grid-column: span 1;
    grid-row: span 1;
    min-height: 120px;
    box-shadow: var(--md-elevation-1);
}

.data-card:hover {
    box-shadow: var(--md-elevation-2);
}

.main-content-card {
    box-shadow: var(--md-elevation-2);
}

/* Make resource cards (Guides, Blog) taller on desktop for better space fill */
@media (min-width: 1025px) {
    .bento-card.bento-small.variant-resources {
        grid-row: span 2;
        min-height: auto;
    }
}

/* MD3-like elevation and softer surfaces */
.bento-card {
    box-shadow: 0 1px 2px rgba(2, 6, 23, 0.06), 0 4px 8px rgba(2, 6, 23, 0.04);
    border-radius: var(--md-corner-md);
    background-clip: padding-box;
}

/* Tilt only on hover for a refined, professional effect */
.bento-card:hover {
    transform: translateY(-6px) rotate(-0.6deg) scale(1.02);
    box-shadow: 0 22px 44px rgba(2, 6, 23, 0.14);
}

.bento-card:focus-visible {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 22px 44px rgba(2, 6, 23, 0.16);
    outline: 3px solid rgba(15, 118, 110, 0.12);
}

/* ── Landing Auth Section ──────────────────────────────────────────────── */
.landing-auth-section {
    padding: var(--s5);
    background: linear-gradient(135deg, rgba(15, 118, 110, 0.06) 0%, rgba(139, 92, 246, 0.04) 100%);
    border-top: 1px solid var(--md-outline);
    flex-shrink: 1;
    /* Fixed overflow */
    width: 100%;
    box-sizing: border-box;
}

.auth-form-wrapper {
    display: flex;
    flex-direction: column;
    max-width: 480px;
    width: 100%;
    margin: 0 auto;
    gap: 0;
    animation: fadeInUp 0.6s var(--md-easing) 0.5s forwards;
    opacity: 0;
    padding: 0;
    box-sizing: border-box;
    background: var(--md-surface);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-lg);
    box-shadow: var(--md-elevation-2);
    overflow: hidden;
}

.auth-brand-inline {
    display: flex;
    flex-direction: row;
    gap: var(--s5);
    align-items: flex-start;
    padding-bottom: var(--s4);
    border-bottom: 1px solid var(--md-outline);
}

.auth-brand-inline svg {
    width: 56px;
    height: 56px;
    flex-shrink: 1;
    /* Fixed overflow */
    filter: drop-shadow(0 4px 8px rgba(15, 118, 110, 0.1));
}

.auth-brand-inline>div {
    display: flex;
    flex-direction: column;
    gap: var(--s2);
    text-align: left;
    flex: 1;
}

.auth-brand-inline h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--md-on-surface);
    margin: 0;
    line-height: 1.2;
}

.auth-brand-inline p {
    color: var(--md-on-surface-muted);
    margin: 0;
    font-size: 0.875rem;
    line-height: 1.4;
}

/* ── Responsive Landing Page ──────────────────────────────────────────── */
@media (max-width: 1024px) {
    .landing-hero {
        min-height: 80vh;
        padding: var(--s4) var(--s3);
        overflow: hidden;
        /* single-col on tablet: clip glows */
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.35rem;
    }

    .bento-card.bento-large {
        grid-column: span 1;
    }

    .landing-bento {
        padding: var(--s4);
        gap: var(--s5);
    }

    .landing-auth-section {
        padding: var(--s4);
    }
}

@media (max-width: 768px) {
    .landing-hero {
        min-height: 70vh;
        padding: var(--s3) var(--s2);
        /* Clip decorative glows on mobile — desktop keeps overflow:visible for auth card growth */
        overflow: hidden;
    }

    .hero-content {
        gap: var(--s3);
    }

    .hero-title {
        font-size: 1.65rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-description {
        font-size: 0.9rem;
    }

    .hero-cta {
        gap: var(--s2);
    }

    .hero-btn {
        padding: var(--s2) var(--s3);
        font-size: var(--md-label-small);
    }

    .bento-grid {
        grid-template-columns: 1fr;
        gap: var(--s3);
    }

    .bento-section-title {
        font-size: 1.2rem;
    }

    .bento-section {
        gap: var(--s4);
    }

    .landing-bento {
        padding: var(--s3);
        gap: var(--s4);
    }

    .landing-auth-section {
        padding: var(--s3);
    }

    .auth-form-wrapper {
        max-width: 100%;
    }
}

@media (max-width: 640px) {
    .landing-hero {
        min-height: 65vh;
        padding: var(--s2) var(--s2);
    }

    .hero-content {
        gap: var(--s2);
    }

    .hero-brand svg {
        width: 40px;
        height: 40px;
    }

    .hero-title {
        font-size: 1.35rem;
        line-height: 1.3;
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

    .hero-description {
        font-size: 0.85rem;
        line-height: 1.4;
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
        gap: var(--s1);
    }

    .hero-btn {
        width: 100%;
        padding: var(--s2) var(--s2);
        font-size: 0.875rem;
    }

    .hero-btn .material-symbols-rounded {
        font-size: var(--md-body-large);
    }

    .bento-card {
        min-height: 150px;
        padding: var(--s2);
    }

    .bento-icon {
        font-size: 1.75rem;
    }

    .bento-card h3 {
        font-size: 0.95rem;
    }

    .bento-card p {
        font-size: 0.8rem;
    }

    .bento-section {
        gap: var(--s3);
    }

    .bento-section-title {
        font-size: 1.1rem;
    }

    .landing-bento {
        padding: var(--s2);
        gap: var(--s3);
    }

    .landing-auth-section {
        padding: var(--s2);
    }

    .auth-brand-inline svg {
        width: 40px;
        height: 40px;
    }

    .auth-brand-inline h2 {
        font-size: 1.25rem;
    }

    .auth-brand-inline p {
        font-size: 0.8rem;
    }

    .auth-form-wrapper {
        gap: var(--s2);
    }

    .form-group input {
        padding: var(--s2) var(--s3);
        font-size: 0.875rem;
    }

    .auth-tab-btn {
        padding: var(--s3) var(--s4);
        font-size: 0.875rem;
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.45;
    }
}

/* Responsive Navigation — Sidebar visible (desktop) or collapsible (mobile) */
/* Hamburger Toggle Button (Mobile Only) */
.nav-toggle-btn {
    display: none;
    position: fixed;
    top: 50%;
    left: var(--s4);
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: var(--md-primary);
    color: var(--md-on-primary);
    border: none;
    border-radius: var(--md-corner-md);
    cursor: pointer;
    z-index: calc(var(--z-sidebar) - 20);
    align-items: center;
    justify-content: center;
    transition: all var(--md-duration-short) var(--md-easing);
}

.nav-toggle-btn:hover {
    background: var(--md-primary-light);
}

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 24px;
    height: 24px;
}

.hamburger span {
    width: 100%;
    height: 2px;
    background: var(--md-on-surface);
    border-radius: var(--md-corner-pixel);
    transition: all var(--md-duration-short) var(--md-easing);
}

/* ── Header Menu Button (Mobile Only) ──────────────────────────────── */
.header-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--md-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    transition: color var(--md-duration-short) var(--md-easing);
}

.header-menu-btn:hover {
    color: var(--md-primary-light);
}

/* ── Sidebar Navigation (Left Panel) — Smooth slide without layout shift ─────────────────────────– */
.app-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 280px;
    height: 100vh;
    background: var(--md-surface);
    border-right: 1px solid var(--md-outline);
    display: flex;
    flex-direction: column;
    z-index: var(--z-sidebar);
    overflow-y: auto;
    overflow-x: hidden;
    transform: translateX(-280px);
    transition: transform var(--md-duration-medium) var(--md-easing),
        opacity var(--md-duration-medium) var(--md-easing);
    opacity: 0;
    pointer-events: none;
    padding: 0;
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.1);
}

.app-sidebar:not([hidden]) {
    transform: translateX(0);
    opacity: 1;
    pointer-events: auto;
}

.sidebar-header {
    padding: var(--s4);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--md-outline);
    min-height: 60px;
    position: sticky;
    top: 0;
    background: var(--md-surface);
    z-index: 10;
}

.sidebar-logo {
    width: 40px;
    height: 40px;
    border-radius: var(--md-corner-md);
    background: var(--md-primary-container);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--md-primary-light);
}

.sidebar-close {
    display: none;
    background: none;
    border: none;
    color: var(--md-on-surface);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--s4) 0;
}

/* ── Navigation Sections ────────────────────────────────────────────── */
.nav-section {
    padding: 0 0 var(--s4) 0;
}

.nav-section-title {
    font-size: var(--md-label-small);
    font-weight: 700;
    color: var(--md-on-surface-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: var(--s2) var(--s4);
    margin: 0;
}

.nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--s3);
    width: 100%;
    padding: var(--s3) var(--s4);
    background: transparent;
    border: none;
    border-radius: var(--md-corner-sm);
    color: var(--md-on-surface-muted);
    font-size: var(--md-body-large);
    font-weight: 500;
    cursor: pointer;
    transition:
        color var(--md-duration-short) var(--md-easing),
        background var(--md-duration-short) var(--md-easing);
    position: relative;
    margin: 0;
    /* MD3 state-layer via ::after */
}

/* MD3 state-layer: subtle ripple on hover without harsh bg change */
.nav-link::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--md-corner-sm);
    background: var(--md-primary);
    opacity: 0;
    transition: opacity var(--md-duration-short) var(--md-easing);
    pointer-events: none;
}

.nav-link:hover {
    color: var(--md-on-surface);
}

.nav-link:hover::after {
    opacity: 0.06;
}

.nav-link:focus-visible {
    outline: 2px solid var(--md-primary);
    outline-offset: -2px;
}

.nav-link.active {
    color: var(--md-primary-light);
    background: var(--md-primary-container);
    font-weight: 600;
}

.nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--md-primary);
    border-radius: 0 var(--md-corner-sm) var(--md-corner-sm) 0;
}

.nav-link .material-symbols-rounded {
    font-size: 1.25rem;
    flex-shrink: 1;
}

.nav-label {
    flex: 1;
    text-align: left;
}

.nav-badge {
    background: var(--md-error);
    color: var(--md-on-error);
    font-size: var(--md-label-small);
    font-weight: 700;
    padding: 2px 6px;
    border-radius: var(--md-corner-full);
    min-width: 20px;
    text-align: center;
}

.nav-link.danger {
    color: var(--md-error);
}

.nav-link.danger:hover {
    background: rgba(220, 38, 38, 0.08);
}

/* ── Section Dividers ───────────────────────────────────────────────── */
/* All dividers follow Material Design 3 outline standard @ 1px height */

/* ── Navigation Divider ─────────────────────────────────────────────── */
.nav-divider {
    height: 1px;
    background: var(--md-outline);
    margin: var(--s3) 0;
    /* Navigation rhythm: mid-tier spacing */
}

/* ── Sidebar Footer ─────────────────────────────────────────────────── */
.sidebar-footer {
    padding: var(--s4);
    border-top: 1px solid var(--md-outline);
    display: flex;
    flex-direction: column;
    gap: var(--s2);
}

/* ── Sidebar Backdrop (Mobile Overlay) — Smooth fade without layout shift ──────────────────────────────– */
.sidebar-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-sidebar-backdrop);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--md-duration-short) var(--md-easing),
        pointer-events var(--md-duration-short) var(--md-easing);
    backdrop-filter: blur(var(--blur-light));
    -webkit-backdrop-filter: blur(var(--blur-light));
}

.sidebar-backdrop:not([hidden]) {
    opacity: 1;
    pointer-events: auto;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* ────────────────────────────────────────────────────────────────────── */

/* ── Layout Shell — Adaptive for Sidebar ────────────────────────────– */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: var(--md-bg);
    position: relative;
    padding-top: 140px;
    margin-left: 0 !important;
    width: 100% !important;
    transition: margin-left var(--md-duration-medium) ease, width var(--md-duration-medium) ease;
}

/* Remove header padding when header is hidden */
body:has(header.app-header[hidden]) .app-container {
    padding-top: 0;
}

/* When sidebar is hidden, remove the margin from app-container */
body:has(#app-sidebar[hidden]) .app-container {
    margin-left: 0;
    width: 100%;
}

/* Auth page: Always full width, no sidebar */
.auth-page {
    margin-left: 0 !important;
    width: 100% !important;
    padding-top: 0 !important;
}

/* Landing page (unauthenticated): Full width spanning */
.app-container .landing-page {
    padding-top: 0;
}

/* ── Header — Fixed & Responsive (Always Visible) ──────────────────────────────────– */
.app-header {
    display: flex;
    flex-direction: column;
    gap: var(--s3);
    padding: var(--s4) var(--s6);
    background: var(--glass-header-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-header-border);
    box-shadow: var(--md-elevation-1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-header);
    height: auto;
}

/* When header is hidden, ensure no layout space is reserved */
.app-header[hidden] {
    display: none !important;
    pointer-events: none;
}

/* Header Components — Breadcrumbs, search, notifications, user menu */
/* Header Layout Structure */
.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--s4);
}

.header-left {
    order: 1;
}

.header-center {
    order: 2;
}

.header-search {
    order: 3;
}

.header-right {
    order: 4;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--s4);
    min-width: 0;
}

.header-center {
    display: flex;
    align-items: center;
    gap: var(--s6);
    min-width: 0;
    flex: 1;
}

/* Global search positioned right-aligned before buttons */
.header-top .header-search {
    position: relative;
    width: 100%;
    max-width: 320px;
    flex-shrink: 1;
    /* Fixed overflow */
    order: 3;
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--s3);
    flex-shrink: 1;
    /* Fixed overflow */
}

/* Branding Section */
.header-brand {
    display: flex;
    align-items: center;
    gap: var(--s3);
    min-width: 0;
}

.header-logo {
    width: 36px;
    height: 36px;
    border-radius: var(--md-corner-md);
    background: var(--md-primary-container);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 1;
    /* Fixed overflow */
}

.header-logo svg {
    width: 100%;
    height: 100%;
}

.header-brand-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.header-brand-name {
    font-size: var(--md-title-large);
    font-weight: 700;
    color: var(--md-on-surface);
    margin: 0;
    white-space: nowrap;
}

.header-product-tag {
    font-size: var(--md-label-small);
    color: var(--md-on-surface-muted);
    font-weight: 500;
}

/* Navigation Toggle Button */
.nav-toggle-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    border-radius: 50%;
    color: var(--md-on-surface);
    cursor: pointer;
    transition: all var(--md-duration-short) var(--md-easing);
}

.nav-toggle-icon:hover {
    background: var(--md-primary-container);
    color: var(--md-primary);
}

/* Breadcrumb Navigation */
.breadcrumb {
    display: flex;
    align-items: center;
    height: 40px;
}

.breadcrumb-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--s2);
}

.breadcrumb-link {
    color: var(--md-on-surface-muted);
    text-decoration: none;
    font-size: var(--md-label-medium);
    padding: var(--s1) var(--s2);
    border-radius: var(--md-corner-sm);
    transition: all var(--md-duration-short) var(--md-easing);
}

.breadcrumb-link:hover {
    background: var(--md-primary-container);
    color: var(--md-primary);
}

.breadcrumb-link.active {
    color: var(--md-primary);
    font-weight: 600;
}

.breadcrumb-separator {
    color: var(--md-on-surface-variant);
    /* Text separators use variant token */
    font-weight: 500;
    margin: 0 var(--s1);
    /* Consistent slash spacing */
}

/* Search Bar */
.header-search {
    position: relative;
    width: 100%;
    max-width: 400px;
}

.search-input {
    width: 100%;
    padding: var(--s3) var(--s4);
    padding-right: 40px;
    background: var(--md-surface-2);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-full);
    color: var(--md-on-surface);
    font-size: var(--md-body-small);
    min-height: 44px;
    transition: all var(--md-duration-short) var(--md-easing);
}

.search-input:focus {
    outline: none;
    border-color: var(--md-primary);
    box-shadow: 0 0 0 3px var(--md-primary-container);
}

.search-input::placeholder {
    color: var(--md-on-surface-faint);
}

.search-submit {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    color: var(--md-on-surface-muted);
    cursor: pointer;
    border-radius: 50%;
    transition: all var(--md-duration-short) var(--md-easing);
}

.search-submit:hover {
    background: var(--md-primary-container);
    color: var(--md-primary);
}

.search-results {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--md-surface);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-md);
    box-shadow: var(--md-elevation-2);
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px) scaleY(0.9);
    transform-origin: top center;
    transition: opacity var(--md-duration-short) var(--md-easing),
        transform var(--md-duration-short) var(--md-easing),
        pointer-events var(--md-duration-short) var(--md-easing);
}

.search-results:not([hidden]) {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scaleY(1);
}

/* Header Icon Buttons — Unified styling */
.header-icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    border-radius: 50%;
    color: var(--md-on-surface);
    cursor: pointer;
    transition: all var(--md-duration-short) var(--md-easing);
    position: relative;
}

.header-icon-btn:hover {
    background: var(--md-primary-container);
    color: var(--md-primary);
}

.header-icon-btn:active {
    background: rgba(15, 118, 110, 0.2);
}

.header-icon-btn[aria-expanded="true"] {
    background: var(--md-primary-container);
    color: var(--md-primary);
}

.header-icon-btn .material-symbols-rounded {
    font-size: 1.5rem;
}

/* Notifications Container */
.notifications-container {
    position: relative;
}

.notification-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 20px;
    height: 20px;
    background: var(--md-error);
    color: var(--md-on-error);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--md-label-small);
    font-weight: 700;
    animation: pulse 2s ease-in-out infinite;
}

/* Notifications Panel — Smooth dropdown with no layout shift */
.notifications-panel {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 380px;
    max-height: 500px;
    background: var(--md-surface);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-md);
    box-shadow: var(--md-elevation-3);
    z-index: 200;
    display: flex !important;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px) scaleY(0.92);
    transform-origin: top right;
    transition: opacity var(--md-duration-short) var(--md-easing),
        transform var(--md-duration-short) var(--md-easing),
        pointer-events var(--md-duration-short) var(--md-easing);
}

.notifications-panel:not([hidden]) {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scaleY(1);
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--s4);
    border-bottom: 1px solid var(--md-outline);
}

.panel-header h3 {
    margin: 0;
    font-size: var(--md-title-medium);
    color: var(--md-on-surface);
}

.panel-close-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    color: var(--md-on-surface);
    cursor: pointer;
    padding: 0;
    font-size: 20px;
}

.notifications-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--s3) 0;
}

.notification-item {
    display: flex;
    gap: var(--s3);
    padding: var(--s3) var(--s4);
    border-bottom: 1px solid var(--md-outline);
    transition: background var(--md-duration-short) var(--md-easing);
}

.notification-item:hover {
    background: var(--md-surface-2);
}

.notification-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    flex-shrink: 1;
    /* Fixed overflow */
    font-weight: bold;
}

.notification-icon.alert {
    background: rgba(217, 119, 6, 0.12);
    color: var(--md-warning);
}

.notification-icon.success {
    background: rgba(5, 150, 105, 0.12);
    color: var(--md-success);
}

.notification-icon.info {
    background: var(--md-primary-container);
    color: var(--md-primary);
}

.notification-content {
    flex: 1;
    min-width: 0;
}

.notification-title {
    margin: 0 0 var(--s1) 0;
    font-size: var(--md-body-small);
    color: var(--md-on-surface);
    font-weight: 500;
}

.notification-time {
    margin: 0;
    font-size: var(--md-label-small);
    color: var(--md-on-surface-muted);
}

.panel-footer {
    padding: var(--s4);
    border-top: 1px solid var(--md-outline);
    text-align: center;
}

.view-all-link {
    color: var(--md-primary);
    text-decoration: none;
    font-size: var(--md-label-medium);
    font-weight: 600;
    transition: color var(--md-duration-short) var(--md-easing);
}

.view-all-link:hover {
    text-decoration: underline;
}

/* User Menu */
.user-menu-container {
    position: relative;
}

.user-menu-btn {
    display: flex;
    align-items: center;
    gap: var(--s2);
    padding: var(--s1) var(--s3);
    background: var(--md-surface-2);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-full);
    color: var(--md-on-surface);
    cursor: pointer;
    transition: all var(--md-duration-short) var(--md-easing);
    font-size: var(--md-label-medium);
    font-weight: 500;
}

.user-menu-btn:hover {
    background: var(--md-primary-container);
    border-color: var(--md-primary);
    color: var(--md-primary);
}

.user-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--md-primary-container);
    color: var(--md-primary);
}

.user-display-name {
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dropdown-chevron {
    font-size: 1.25rem;
}

/* User Menu Dropdown */
.user-menu-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 320px;
    background: var(--md-surface);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-md);
    box-shadow: var(--md-elevation-3);
    z-index: 200;
    overflow: hidden;
}

.user-menu-header {
    padding: var(--s4);
    background: var(--md-surface-2);
    border-bottom: 1px solid var(--md-outline);
}

.user-info {
    display: flex;
    flex-direction: column;
    gap: var(--s1);
}

.user-name {
    margin: 0;
    font-size: var(--md-body-medium);
    font-weight: 600;
    color: var(--md-on-surface);
}

.user-email {
    margin: 0;
    font-size: var(--md-label-small);
    color: var(--md-on-surface-muted);
}

.user-status {
    display: flex;
    align-items: center;
    gap: var(--s2);
    margin-top: var(--s2);
    font-size: var(--md-label-small);
    color: var(--md-success);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--md-success);
}

.menu-divider {
    height: 1px;
    background: var(--md-outline);
    margin: var(--s2) 0;
    /* Menu spacing: compact dropdowns */
}

.user-menu-list {
    list-style: none;
    padding: var(--s2) 0;
    margin: 0;
}

.user-menu-link {
    display: block;
    width: 100%;
    padding: var(--s3) var(--s4);
    background: transparent;
    border: none;
    color: var(--md-on-surface-muted);
    text-decoration: none;
    font-size: var(--md-body-small);
    cursor: pointer;
    transition: all var(--md-duration-short) var(--md-easing);
    text-align: left;
}

.user-menu-link:hover {
    background: var(--md-primary-container);
    color: var(--md-primary);
}

.user-menu-link.logout-link {
    color: var(--md-error);
}

.user-menu-link.logout-link:hover {
    background: rgba(220, 38, 38, 0.12);
}

/* Header Bottom Row: Removed (consolidated into footer system status) */

/* Responsive: Tablet */
@media (max-width: 1200px) {
    .header-top {
        gap: var(--s3);
    }

    .header-center {
        gap: var(--s3);
    }

    .header-search {
        max-width: 260px;
        flex: 1;
    }

    .header-brand-text {
        display: flex;
        flex-direction: column;
        gap: 0;
    }

    .header-brand-name {
        font-size: var(--md-label-large);
    }

    .header-product-tag {
        display: none;
    }

    .header-logo {
        width: 32px;
        height: 32px;
    }

    .breadcrumb-link {
        font-size: var(--md-label-small);
    }

    .user-display-name {
        display: none;
    }

    .header-right {
        gap: var(--s2);
    }
}

/* Responsive: Mobile */
@media (max-width: 768px) {
    .header-top {
        flex-wrap: wrap;
        gap: var(--s3);
        align-items: center;
        justify-content: space-between;
    }

    .header-left {
        order: 1;
        min-width: auto;
    }

    .header-center {
        order: 5;
        width: 100%;
        flex-direction: row;
        gap: var(--s3);
    }

    .header-search {
        order: 3;
        width: auto;
        flex: 1;
        max-width: none;
        min-width: 0;
    }

    .search-input {
        font-size: var(--md-label-small);
    }

    .header-right {
        order: 4;
        width: auto;
        gap: var(--s2);
        flex-shrink: 1;
        /* Fixed overflow */
    }

    .breadcrumb {
        width: 100%;
    }

    .nav-toggle-icon {
        display: flex;
    }

    .notifications-panel {
        width: 100vw;
        max-width: none;
        left: 0;
        right: auto;
    }

    .user-menu-dropdown {
        width: 100vw;
        max-width: none;
        left: 0;
        right: auto;
    }

    .header-brand-name {
        font-size: var(--md-title-medium);
    }
}

/* Accessibility: Focus Visible States */
.header-icon-btn:focus-visible,
.nav-toggle-icon:focus-visible,
.breadcrumb-link:focus-visible {
    outline: 2px solid var(--md-primary);
    outline-offset: 2px;
    border-radius: var(--md-corner-hairline);
}

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {

    .header-icon-btn,
    .user-menu-btn,
    .breadcrumb-link,
    .notification-badge,
    .status-indicator .status-dot {
        transition: none;
        animation: none;
    }
}

.app-tagline {
    font-size: var(--md-label-medium);
    color: var(--md-on-surface-muted);
    margin: var(--s1) 0 0 0;
}

/* ── Main Content Area — Psychological Spacing ──────────────────────– */
.app-content-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
    padding: var(--s8) var(--s6);
    gap: var(--s8);
}

.main-content-card {
    background: var(--md-surface);
    border-radius: var(--md-corner-xl);
    border: 1px solid var(--md-outline);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    position: relative;
    min-height: calc(100vh - 240px);
    flex: 1;
}

/* ── Tab Navigation — Unified KB Pill Style ─────────────────────────── */
.tab-navigation {
    display: flex;
    border-bottom: 1px solid var(--md-outline);
    background: var(--md-surface-1);
    padding: var(--s3) var(--s6);
    gap: var(--s2);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.tab-navigation::-webkit-scrollbar {
    display: none;
}

.nav-tab {
    display: flex;
    align-items: center;
    gap: var(--s2);
    padding: var(--s2) var(--s4);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--md-on-surface-muted);
    background: transparent;
    border: none;
    border-radius: var(--md-corner-md);
    cursor: pointer;
    transition:
        color var(--md-duration-short) var(--md-easing),
        background var(--md-duration-short) var(--md-easing);
    -webkit-tap-highlight-color: transparent;
    position: relative;
    white-space: nowrap;
    flex-shrink: 0;
}

.nav-tab:hover {
    background: var(--md-surface-2);
    color: var(--md-on-surface);
}

.nav-tab:focus-visible {
    outline: 2px solid var(--md-primary);
    outline-offset: 2px;
}

.nav-tab.active {
    background: var(--md-primary-container);
    color: var(--md-primary-light);
}

.nav-tab .material-symbols-rounded {
    font-size: 1.1rem;
}

/* ── Content Panels — Smooth transitions without layout shift ──────────────────────────────── */
.content-panel {
    display: none;
    padding: var(--s6);
    opacity: 0;
    animation: fadeSlideIn var(--md-duration-medium) var(--md-easing) forwards;
}

.content-panel.active {
    display: block;
    opacity: 1;
}

@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Input Groups ────────────────────────────────────────────────────── */
.input-field-group {
    margin-bottom: var(--s4);
}

.field-label {
    display: flex;
    align-items: center;
    gap: var(--s2);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--md-on-surface-muted);
    margin-bottom: var(--s2);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.field-label .material-symbols-rounded {
    font-size: var(--md-body-large);
}

/* ── Dropzone ────────────────────────────────────────────────────────── */
.upload-dropzone {
    border: 1.5px dashed var(--md-outline);
    border-radius: var(--md-corner-lg);
    padding: var(--s8) var(--s6);
    text-align: center;
    cursor: pointer;
    transition:
        border-color var(--md-duration-short) var(--md-easing),
        background var(--md-duration-short) var(--md-easing);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--s2);
}

.upload-dropzone:hover,
.upload-dropzone:focus-visible,
.upload-dropzone.drag-over {
    border-color: var(--md-primary);
    background: var(--md-primary-container);
    outline: none;
}

.dropzone-icon {
    font-size: 2.5rem !important;
    color: var(--md-primary-light);
    opacity: 0.7;
}

.dropzone-text {
    font-size: 0.9rem;
    color: var(--md-on-surface-muted);
}

.dropzone-hint {
    font-size: 0.75rem;
    color: var(--md-on-surface-variant);
    margin-top: -4px;
}

/* ── KB File Chips ─────────────────────────────────────────────────── */
.file-chip {
    padding: var(--s2) var(--s4);
    background: var(--md-surface-2);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-md);
    display: flex;
    align-items: center;
    gap: var(--s2);
    transition: all var(--md-duration-short) var(--md-easing);
    animation: slideInUp 0.3s var(--md-easing);
}

.file-chip:hover {
    background: var(--md-surface-3);
    border-color: var(--md-primary-light);
}

.file-chip .material-symbols-rounded {
    color: var(--md-primary-light);
    font-size: 1.25rem;
}

.file-chip .chip-name {
    font-size: 0.9rem;
    color: var(--md-on-surface);
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.chip-remove {
    background: none;
    border: none;
    color: var(--md-on-surface-variant);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    border-radius: var(--md-corner-full);
    transition: all var(--md-duration-short) var(--md-easing);
}

.chip-remove:hover {
    background: var(--md-error-bg);
    color: var(--md-error);
}

.dropzone-hint {
    font-size: 0.72rem;
    color: var(--md-on-surface-faint);
}

.highlight {
    color: var(--md-primary-light);
    font-weight: 600;
}

/* ── File Chip ───────────────────────────────────────────────────────── */
.file-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--s2);
    background: var(--md-primary-container);
    border: 1px solid rgba(15, 118, 110, 0.3);
    border-radius: var(--md-corner-full);
    padding: var(--s2) var(--s3);
    font-size: 0.82rem;
    color: var(--md-primary-light);
    max-width: 100%;
    margin-bottom: var(--s3);
}

.file-chip .material-symbols-rounded {
    font-size: var(--md-body-large);
}

.file-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: none !important;
}

.chip-remove {
    background: none;
    border: none;
    color: var(--md-on-surface-muted);
    cursor: pointer;
    font-size: 1.2rem;
    line-height: 1;
    padding: 0 var(--s1);
    border-radius: var(--md-corner-full);
    transition: color var(--md-duration-short);
}

.chip-remove:hover {
    color: var(--md-error);
}

/* ── Textarea ────────────────────────────────────────────────────────── */
.modern-textarea {
    width: 100%;
    background: var(--md-surface-2);
    border: 1.5px solid var(--md-outline);
    border-radius: var(--md-corner-lg);
    color: var(--md-on-surface);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    padding: var(--s3) var(--s4);
    resize: none;
    overflow: hidden;
    min-height: 80px;
    transition: border-color var(--md-duration-short) var(--md-easing),
        background var(--md-duration-short) var(--md-easing),
        color var(--md-duration-short) var(--md-easing);
}

.modern-textarea:hover {
    background: var(--md-surface);
    border-color: var(--md-primary);
    color: var(--md-on-surface);
}

.modern-textarea:focus {
    outline: none;
    border-color: var(--md-primary);
    background: var(--md-surface);
    color: var(--md-on-surface);
    box-shadow: 0 0 0 3px var(--md-primary-container);
}

.modern-textarea::placeholder {
    color: var(--md-on-surface-muted);
    font-weight: 400;
}

.modern-textarea:disabled {
    opacity: 0.38;
    cursor: not-allowed;
    pointer-events: none;
    border-color: var(--md-outline);
    background: var(--md-surface-2);
    color: var(--md-on-surface-faint);
}

/* ── Buttons (MD3) ───────────────────────────────────────────────────── */
/* 
 * ENTERPRISE BUTTON SYSTEM (Material Design 3 Compliant)
 * 
 * Base Properties (All variants):
 * • display: inline-flex (centered content)
 * • width: 100% (full container width, unless overridden)
 * • padding: var(--s3) var(--s5) (12px vertical, 20px horizontal)
 * • border-radius: var(--md-corner-full) (28px, fully rounded)
 * • font-size: var(--md-label-large) (500 weight)
 * • font-weight: 700; letter-spacing: 0.5px (prominence & readability)
 * • min-height: 44px (WCAG touch target minimum)
 * • transition: all var(--md-duration-short) (100ms smooth state changes)
 * • icon size: 24px uniform (-- consistent with MD3)
 * 
 * State Handlers (All variants):
 * • :hover:not(:disabled) - Interactive feedback with color/shade change
 * • :active:not(:disabled) - Pressed state with darker shade
 * • :focus-visible - Keyboard accessibility (2px outline + 2px offset)
 * • :disabled - Reduced visibility (38% opacity, cursor: not-allowed)
 * 
 * Button Variants:
 * 1. .btn-primary   - Filled primary action (filled background, elevation-1)
 * 2. .btn-secondary - Filled secondary action (filled background, elevation-1)
 * 3. .btn-outline   - Outlined action (transparent background, outline border)
 * 4. .btn-text      - Text/ghost button (transparent background, no border)
 * 5. .btn-tonal     - Tonal button (light background, elevation-1)
 * 
 * NO !important flags used in button styling (pure CSS cascade).
 * All colors use MD3 token system (primary, secondary, error, success variants).
 */

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--s2);
    width: auto;
    padding: var(--s3) var(--s5);
    background: var(--md-primary);
    color: var(--md-on-primary);
    border: none;
    border-radius: var(--md-corner-full);
    font-size: var(--md-label-large);
    font-weight: 700;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition:
        background var(--md-duration-short) var(--md-easing),
        transform var(--md-duration-short) var(--md-easing),
        box-shadow var(--md-duration-short) var(--md-easing);
    min-height: 44px;
    box-shadow: var(--md-elevation-1);
}

.btn-primary:hover:not(:disabled) {
    background: var(--md-primary-light);
    box-shadow: var(--md-elevation-2);
    transform: translateY(-1px);
}

.btn-primary:active:not(:disabled) {
    background: var(--md-primary-dark);
    transform: translateY(0);
}

.btn-primary:focus-visible {
    outline: 2px solid var(--md-primary-dark);
    outline-offset: 2px;
}

.btn-primary:disabled {
    opacity: 0.38;
    cursor: not-allowed;
    box-shadow: none;
}

.btn-primary .material-symbols-rounded {
    font-size: 1.15rem;
}

.btn-secondary .material-symbols-rounded {
    font-size: 24px;
    width: 24px;
    height: 24px;
}

.btn-outline .material-symbols-rounded {
    font-size: 24px;
    width: 24px;
    height: 24px;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--s2);
    width: auto;
    padding: var(--s3) var(--s5);
    background: var(--md-surface-2);
    color: var(--md-on-surface);
    border: 1.5px solid var(--md-outline);
    border-radius: var(--md-corner-full);
    font-size: var(--md-label-large);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--md-duration-short) var(--md-easing);
    min-height: 44px;
}

.btn-secondary:hover:not(:disabled) {
    background: var(--md-surface-3);
    border-color: var(--md-primary);
    color: var(--md-primary-light);
}

.btn-secondary:active:not(:disabled) {
    background: var(--md-surface-2);
    transform: translateY(0);
}

.btn-secondary:focus-visible {
    outline: 2px solid var(--md-primary);
    outline-offset: 2px;
}

.btn-secondary:disabled {
    opacity: 0.38;
    cursor: not-allowed;
}

/* Button Loading State (Shneiderman Principle 3: Informative Feedback) */
.btn-loading {
    opacity: 0.8;
    cursor: progress;
}

.btn-spinner {
    display: inline-block;
    width: 1em;
    height: 1em;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: var(--s2);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--s2);
    width: 100%;
    padding: var(--s3) var(--s5);
    background: transparent;
    color: var(--md-primary-light);
    border: 1.5px solid rgba(15, 118, 110, 0.4);
    border-radius: var(--md-corner-full);
    font-size: var(--md-label-large);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--md-duration-short) var(--md-easing);
    min-height: 44px;
}

.btn-outline:hover:not(:disabled) {
    background: var(--md-primary-container);
    border-color: var(--md-primary);
}

.btn-outline:active:not(:disabled) {
    background: var(--md-primary-container);
    transform: translateY(0);
}

.btn-outline:focus-visible {
    outline: 2px solid var(--md-primary);
    outline-offset: 2px;
}

.btn-outline:disabled {
    opacity: 0.38;
    cursor: not-allowed;
}

.btn-outline.recording {
    color: var(--md-error);
    border-color: var(--md-error);
    background: var(--md-error-container);
    animation: recordPulse 1.2s ease-in-out infinite;
}

@keyframes recordPulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
    }

    50% {
        box-shadow: 0 0 0 6px rgba(239, 68, 68, 0.2);
    }
}

/* Confirm & Error Dialogs — Unified modal styling */
/* Confirm Dialog */
.confirm-dialog-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal-backdrop);
    animation: fadeIn 300ms ease-out;
    backdrop-filter: blur(var(--blur-subtle));
    -webkit-backdrop-filter: blur(var(--blur-subtle));
}

.confirm-dialog {
    background: var(--md-surface);
    padding: var(--s6);
    border-radius: var(--md-corner-lg);
    box-shadow: var(--md-elevation-3);
    max-width: 500px;
    z-index: var(--z-modal);
    animation: modalSlideIn 250ms cubic-bezier(0.2, 0, 0, 1);
    border: 1px solid var(--md-outline);
}

.confirm-dialog h2 {
    margin: 0 0 var(--s4) 0;
    color: var(--md-on-surface);
    font-size: var(--md-title-large);
    font-weight: 700;
}

.confirm-dialog p {
    margin: 0 0 var(--s6) 0;
    color: var(--md-on-surface-muted);
    line-height: 1.6;
    font-size: var(--md-body-medium);
}

.confirm-dialog-actions {
    display: flex;
    gap: var(--s4);
    justify-content: flex-end;
}

/* ── Error Dialog ───────────────────────────────────────────────────────── */
.error-dialog-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal-backdrop);
    animation: fadeIn 300ms ease-out;
    backdrop-filter: blur(var(--blur-subtle));
    -webkit-backdrop-filter: blur(var(--blur-subtle));
}

.error-dialog {
    background: var(--md-surface);
    padding: var(--s6);
    border-radius: var(--md-corner-lg);
    box-shadow: var(--md-elevation-3);
    max-width: 500px;
    border-left: 4px solid var(--md-error);
    z-index: var(--z-modal);
    animation: modalSlideIn 250ms cubic-bezier(0.2, 0, 0, 1);
    border: 1px solid var(--md-outline);
}

.error-dialog h2 {
    margin: 0 0 var(--s3) 0;
    color: var(--md-on-surface);
    font-size: var(--md-title-large);
    font-weight: 700;
}

.error-dialog-content {
    display: flex;
    align-items: flex-start;
    gap: var(--s4);
    margin-bottom: var(--s4);
}

.error-dialog-icon {
    font-size: 24px;
    flex-shrink: 1;
    /* Fixed overflow */
    line-height: 1;
}

.error-dialog-body {
    flex: 1;
}

.error-dialog-body p {
    margin: 0 0 var(--s4) 0;
    color: var(--md-on-surface-muted);
    line-height: 1.6;
    font-size: var(--md-body-medium);
}

.error-dialog-body p:last-child {
    margin-bottom: 0;
}

.error-dialog-recovery {
    background: var(--md-surface-dim);
    padding: var(--s4);
    border-radius: var(--md-corner-md);
    border-left: 3px solid var(--md-warning);
}

.error-dialog-recovery p {
    margin: 0;
    color: var(--md-on-surface);
    font-size: var(--md-body-small);
    line-height: 1.5;
}

.error-dialog-actions {
    display: flex;
    justify-content: flex-end;
}

/* Responsive: Mobile */
@media (max-width: 640px) {

    .confirm-dialog,
    .error-dialog {
        max-width: 90vw;
        padding: var(--s5);
        margin: var(--s4);
    }

    .confirm-dialog-actions,
    .error-dialog-actions {
        flex-direction: column-reverse;
        gap: var(--s3);
    }

    .confirm-dialog-actions button,
    .error-dialog-actions button {
        width: 100%;
    }
}

/* Audit Dashboard Components */
/* Result Container */
.result-container {
    display: flex;
    flex-direction: column;
    gap: var(--s4);
}

/* ── KPI Row: At-a-Glance Scores ─────────────────────────────────────── */
.kpi-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--s3);
}

.kpi-card {
    background: var(--md-surface-2);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-lg);
    padding: var(--s4) var(--s3);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--s2);
    transition: border-color var(--md-duration-short) var(--md-easing),
        box-shadow var(--md-duration-short) var(--md-easing);
    position: relative;
    overflow: hidden;
    box-shadow: var(--md-elevation-1);
}

.kpi-card::before {
    /* Colored tonal top-bar — encodes meaning spatially before reading */
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 3px;
    background: var(--md-outline);
    transition: background var(--md-duration-medium) var(--md-easing);
}

.kpi-card.kpi-green::before {
    background: var(--md-success);
}

.kpi-card.kpi-amber::before {
    background: var(--md-warning);
}

.kpi-card.kpi-red::before {
    background: var(--md-error);
}

.kpi-card.kpi-green {
    border-color: rgba(16, 185, 129, 0.25);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.06);
}

.kpi-card.kpi-amber {
    border-color: rgba(245, 158, 11, 0.25);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.06);
}

.kpi-card.kpi-red {
    border-color: rgba(239, 68, 68, 0.3);
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.08);
}

.kpi-icon .material-symbols-rounded {
    font-size: 1.5rem;
    color: var(--md-primary-light);
}

.kpi-label {
    font-size: var(--md-label-small);
    font-weight: 600;
    color: var(--md-on-surface-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.kpi-value {
    font-size: var(--md-headline-medium);
    font-weight: 700;
    color: var(--md-on-bg);
    line-height: 1.1;
}

.kpi-green .kpi-value {
    color: var(--md-success);
}

.kpi-amber .kpi-value {
    color: var(--md-warning);
}

.kpi-red .kpi-value {
    color: var(--md-error);
}

/* KPI card icon tints to match semantic state — icon + value + top-bar all consistent */
.kpi-card.kpi-green .kpi-icon .material-symbols-rounded {
    color: var(--md-success);
}

.kpi-card.kpi-amber .kpi-icon .material-symbols-rounded {
    color: var(--md-warning);
}

.kpi-card.kpi-red .kpi-icon .material-symbols-rounded {
    color: var(--md-error);
}

/* ── Summary Card ─────────────────────────────────────────────────────── */
.summary-card {
    background: var(--md-surface-2);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-lg);
    padding: var(--s4) var(--s5);
}

.summary-text {
    font-size: 0.9rem;
    color: var(--md-on-surface);
    line-height: 1.7;
    margin-top: var(--s2);
}

/* ── Detail Label (reused) ────────────────────────────────────────────── */
.detail-label {
    display: flex;
    align-items: center;
    gap: var(--s2);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--md-on-surface-muted);
    margin-bottom: var(--s2);
}

.detail-label .material-symbols-rounded {
    font-size: var(--md-body-large);
    color: var(--md-primary-light);
}

/* ── Visualization Grid ────────────────────────────────────────────────── */
.viz-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--s4);
}

.viz-card {
    background: var(--md-surface-2);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-lg);
    padding: var(--s4);
    display: flex;
    flex-direction: column;
    min-height: 280px;
}

.viz-card-header {
    display: flex;
    align-items: center;
    gap: var(--s2);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--md-on-surface-muted);
    margin-bottom: var(--s3);
    padding-bottom: var(--s3);
    border-bottom: 1px solid var(--md-outline-variant);
}

.viz-card-header .material-symbols-rounded {
    font-size: var(--md-body-large);
    color: var(--md-primary-light);
}

.chart-wrapper {
    flex: 1;
    position: relative;
    min-height: 220px;
}

.echarts-container {
    flex: 1;
    width: 100%;
    min-height: 220px;
}

.chart-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--md-on-surface-faint);
    font-size: 0.8rem;
    font-style: italic;
}

/* ── Audit Detail Cards: Flags & Nudges ──────────────────────────────── */
.audit-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--s4);
}

.audit-detail-card {
    background: var(--md-surface-2);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-lg);
    padding: var(--s4);
    transition:
        border-color var(--md-duration-medium) var(--md-easing),
        box-shadow var(--md-duration-medium) var(--md-easing);
}

.flags-card.kpi-green {
    border-color: rgba(16, 185, 129, 0.22);
}

.flags-card.kpi-amber {
    border-color: rgba(245, 158, 11, 0.22);
}

.flags-card.kpi-red {
    border-color: rgba(239, 68, 68, 0.28);
    box-shadow: 0 0 14px rgba(239, 68, 68, 0.06);
}

/* Flags card header icon tints with live compliance_risk — MD3 adaptive */
.flags-card.kpi-green .detail-label .material-symbols-rounded {
    color: var(--md-success);
}

.flags-card.kpi-amber .detail-label .material-symbols-rounded {
    color: var(--md-warning);
}

.flags-card.kpi-red .detail-label .material-symbols-rounded {
    color: var(--md-error);
}

/* Nudges card header icon — constructive amber (coaching, not threat) */
.nudges-card .detail-label .material-symbols-rounded {
    color: var(--md-warning);
}

/* ── Section Heading (transcript + audio block headers) ───────────────── */
.section-heading {
    display: flex;
    align-items: center;
    gap: var(--s2);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--md-on-bg);
    letter-spacing: 0;
    text-transform: none;
}

.section-heading .material-symbols-rounded {
    font-size: 1.15rem;
    color: var(--md-primary-light);
    flex-shrink: 1;
    /* Fixed overflow */
}

/* ── Transcript container + Audio playback block ──────────────────────── */
.transcription-container,
.audio-playback-block {
    padding: var(--s4);
    background: rgba(30, 41, 59, 0.4);
    border-radius: var(--md-corner-lg);
    border: 1px solid var(--md-outline);
}

.detail-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--s2);
    margin-top: var(--s2);
}

.detail-item {
    display: flex;
    align-items: flex-start;
    gap: var(--s2);
    font-size: 0.82rem;
    color: var(--md-on-surface);
    line-height: 1.5;
}

.detail-item .material-symbols-rounded {
    font-size: var(--md-body-large);
    flex-shrink: 0;
    /* ensure icon isn't shrunk/cut off */
    margin-top: 1px;
}

/* Ensure audit detail cards don't clip children */
.audit-detail-card {
    overflow: visible;
}

/* ── Save button + dropdown (Transcript / Summary) ───────────────────── */
.save-group {
    display: inline-block;
}

.save-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 8px 12px;
    border-radius: 10px;
    border: 1px solid transparent;
    background: var(--md-secondary);
    color: var(--md-on-secondary);
    cursor: pointer;
    font-weight: 600;
}

.save-btn .material-symbols-rounded {
    font-size: 1rem;
    color: currentColor;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.2em;
    height: 1.2em;
}

.save-btn .save-chevron {
    font-size: 1rem;
    color: currentColor;
    opacity: 0.9;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 180ms ease;
}

.save-btn[aria-expanded="true"] .save-chevron {
    transform: rotate(180deg);
}

.save-btn:hover {
    background: var(--md-secondary-light);
    transform: translateY(-1px);
}

.save-btn:active {
    transform: translateY(0);
}

.save-menu {
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    min-width: 160px;
    background: var(--md-surface-2);
    border: 1px solid var(--md-outline);
    border-radius: 8px;
    box-shadow: 0 12px 30px rgba(2, 6, 23, 0.6);
    padding: 6px;
    z-index: 1300;
}

.save-menu .save-menu-item {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 8px 10px;
    background: transparent;
    border: none;
    text-align: left;
    color: var(--md-on-surface);
    cursor: pointer;
    border-radius: 6px;
}

.save-menu .save-menu-item:hover {
    background: rgba(255, 255, 255, 0.02);
}

.save-menu .save-menu-item .material-symbols-rounded {
    color: var(--md-primary-light);
}

/* Keep summary menu above the trigger so footer never overlaps it */
#save-summary-menu {
    top: auto;
    bottom: calc(100% + 8px);
}

.flag-item {
    color: #FCA5A5;
}

.flag-item .material-symbols-rounded {
    color: var(--md-error);
}

.no-issue {
    color: var(--md-success);
}

.no-issue .material-symbols-rounded {
    color: var(--md-success);
}

.nudge-item .material-symbols-rounded {
    color: var(--md-warning);
}

/* All-clear state when no nudges returned — mirrors .no-issue */
.no-nudges {
    color: var(--md-success);
    font-style: italic;
    opacity: 0.85;
}

.no-nudges .material-symbols-rounded {
    color: var(--md-success);
}

/* Context Details: Flag/Nudge Explanations (Shneiderman Principle 8) */
.flag-details,
.nudge-details {
    margin-top: var(--s2);
    margin-left: var(--s4);
    padding: 0;
}

.flag-details summary,
.nudge-details summary {
    display: inline-flex;
    align-items: center;
    gap: var(--s1);
    padding: var(--s2) 0;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--md-on-surface-muted);
    cursor: pointer;
    user-select: none;
    transition: color var(--md-duration-short) ease;
}

.flag-details summary::marker {
    color: var(--md-on-surface-muted);
}

.flag-details summary:hover,
.nudge-details summary:hover {
    color: var(--md-primary-light);
}

.flag-details[open] summary,
.nudge-details[open] summary {
    color: var(--md-primary-light);
}

.flag-details p,
.nudge-details p {
    margin: var(--s2) 0 0 0;
    padding: var(--s3);
    background: rgba(15, 118, 110, 0.08);
    border-left: 2px solid var(--md-primary);
    border-radius: 0 var(--md-corner-md) var(--md-corner-md) 0;
    font-size: 0.78rem;
    color: var(--md-on-surface);
    line-height: 1.6;
}

/* ── Transcript Accordion ─────────────────────────────────────────────── */
.detail-accordion {
    background: var(--md-surface-2);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-lg);
    overflow: hidden;
}

.accordion-summary {
    display: flex;
    align-items: center;
    gap: var(--s2);
    padding: var(--s3) var(--s4);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--md-on-surface-muted);
    cursor: pointer;
    user-select: none;
    border-radius: var(--md-corner-lg);
    transition: background var(--md-duration-short);
    list-style: none;
}

.accordion-summary::-webkit-details-marker {
    display: none;
}

.accordion-summary::before {
    content: 'expand_more';
    font-family: 'Material Symbols Rounded';
    font-size: 1.2rem;
    color: var(--md-primary-light);
    transition: transform var(--md-duration-medium) var(--md-easing);
    font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

details[open] .accordion-summary::before {
    transform: rotate(180deg);
}

.accordion-summary:hover {
    background: var(--md-primary-container);
}

.detail-accordion .detail-content {
    padding: var(--s1) var(--s5) var(--s4);
    font-size: 0.85rem;
    color: var(--md-on-surface);
    line-height: 1.75;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 360px;
    overflow-y: auto;
}

.detail-content p {
    margin-bottom: var(--s2);
}

/* ── HITL Panel (Human-in-the-Loop) ─────────────────────────────────── */
.hitl-panel {
    background: var(--md-surface-2);
    border: 1px solid var(--md-primary-container);
    border-radius: var(--md-corner-lg);
    padding: var(--s4) var(--s5);
    /* Glass accent on top — original audit design signature */
    border-top: 2px solid var(--md-primary);
}

.hitl-header {
    display: flex;
    align-items: center;
    gap: var(--s2);
    margin-bottom: var(--s1);
}

.hitl-header .material-symbols-rounded {
    color: var(--md-primary-light);
}

.hitl-header strong {
    font-size: 0.9rem;
    color: var(--md-on-bg);
}

.hitl-badge {
    margin-left: auto;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 3px 10px;
    border-radius: var(--md-corner-full);
    background: var(--md-surface-3);
    color: var(--md-on-surface-muted);
    border: 1px solid var(--md-outline);
}

.hitl-badge.badge-green {
    background: var(--md-success-bg);
    color: var(--md-success);
    border-color: rgba(16, 185, 129, 0.3);
}

.hitl-badge.badge-warn {
    background: var(--md-warning-bg);
    color: var(--md-warning);
    border-color: rgba(245, 158, 11, 0.3);
}

.hitl-badge.badge-red {
    background: var(--md-error-bg);
    color: var(--md-error);
    border-color: rgba(239, 68, 68, 0.3);
}

.hitl-badge.badge-gray {
    background: rgba(100, 116, 139, 0.12);
    color: var(--md-on-surface-muted);
    border-color: rgba(148, 163, 184, 0.3);
}

.hitl-subtitle {
    font-size: 0.78rem;
    color: var(--md-on-surface-muted);
    margin-bottom: var(--s3);
}

.hitl-actions {
    display: flex;
    gap: var(--s2);
    flex-wrap: wrap;
}

.hitl-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--s1);
    padding: var(--s2) var(--s4);
    border-radius: var(--md-corner-full);
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    border: 1.5px solid;
    transition: all var(--md-duration-short) var(--md-easing);
}

.hitl-approve {
    color: var(--md-success);
    border-color: rgba(16, 185, 129, 0.4);
    background: var(--md-success-bg);
}

.hitl-approve:hover:not(:disabled) {
    background: rgba(16, 185, 129, 0.2);
}

.hitl-flag {
    color: var(--md-warning);
    border-color: rgba(245, 158, 11, 0.4);
    background: var(--md-warning-bg);
}

.hitl-flag:hover:not(:disabled) {
    background: rgba(245, 158, 11, 0.2);
}

.hitl-reject {
    color: var(--md-error);
    border-color: rgba(239, 68, 68, 0.4);
    background: var(--md-error-bg);
}

.hitl-reject:hover:not(:disabled) {
    background: rgba(239, 68, 68, 0.2);
}

.hitl-btn:disabled {
    opacity: 0.38;
    cursor: not-allowed;
}

.hitl-btn .material-symbols-rounded {
    font-size: var(--md-body-large);
}

.hitl-status {
    margin-top: var(--s3);
    font-size: 0.8rem;
    padding: var(--s2) var(--s3);
    border-radius: var(--md-corner-md);
    font-weight: 500;
}

.hitl-status.success {
    background: var(--md-success-bg);
    color: var(--md-success);
}

.hitl-status.warning {
    background: var(--md-warning-bg);
    color: var(--md-warning);
}

.hitl-status.error {
    background: var(--md-error-bg);
    color: var(--md-error);
}

/* ── Action Grid ──────────────────────────────────────────────────────── */
.action-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--s3);
    align-items: center;
}

/* ── History Archive ──────────────────────────────────────────────────── */
.history-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--s3);
    padding: var(--s2) var(--s3);
    background: var(--md-surface-2);
    border-radius: var(--md-corner-md);
    border: 1px solid var(--md-outline);
}

.history-filters {
    display: flex;
    gap: var(--s3);
    flex: 1;
}

.history-filter-select {
    background: var(--md-surface-1);
    color: var(--md-on-surface);
    border: 1px solid var(--md-outline);
    padding: var(--s2) var(--s4) var(--s2) var(--s3);
    border-radius: var(--md-corner-full);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    outline: none;
    transition: all 0.2s ease;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%2224%22%20height%3D%2224%22%20viewBox%3D%220%200%2024%2024%22%3E%3Cpath%20d%3D%22M7%2010l5%205%205-5z%22%20fill%3D%22%237a8c99%22%2F%3E%3C%2Fsvg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
}

.history-filter-select:hover,
.history-filter-select:focus {
    border-color: var(--md-primary);
    background-color: var(--md-surface-3);
}

.history-pagination {
    display: flex;
    align-items: center;
    gap: var(--s3);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--md-on-surface-muted);
}

.pagination-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--md-on-surface);
    cursor: pointer;
    padding: 4px;
    border-radius: 50%;
    transition: background 0.2s ease, transform 0.2s ease;
}

.pagination-btn:hover:not(:disabled) {
    background: var(--md-surface-3);
    color: var(--md-primary);
    transform: scale(1.1);
}

.pagination-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.history-scroll {
    display: flex;
    flex-direction: column;
    gap: var(--s3);
    max-height: 500px;
    overflow-y: auto;
    padding-right: var(--s1);
}

.history-card {
    background: var(--md-surface-2);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-lg);
    padding: var(--s3) var(--s4);
    cursor: pointer;
    transition:
        border-color var(--md-duration-short) var(--md-easing),
        background var(--md-duration-short) var(--md-easing),
        transform var(--md-duration-short) var(--md-easing);
}

.history-card:hover {
    border-color: var(--md-primary);
    background: var(--md-primary-container);
    transform: translateX(3px);
}

.history-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--s2);
}

/* Backwards-compatible aliases for history card markup (JS -> CSS mismatch fixes) */
.history-header {
    display: flex;
    align-items: center;
    gap: var(--s3);
    flex-wrap: wrap;
    margin-bottom: var(--s2);
}

/* Date/time alias used by JS-rendered cards */
.item-time {
    font-size: var(--md-label-small);
    color: var(--md-on-surface-muted);
    font-weight: 500;
}

/* Compact type badge (voice/text) used by JS markup */
.item-type {
    display: inline-flex;
    align-items: center;
    gap: var(--s1);
    padding: 2px 8px;
    border-radius: var(--md-corner-full);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.75rem;
    color: var(--md-on-surface-muted);
    background: transparent;
}

.item-type { margin-right: auto; }

.item-f1 {
    font-weight: 700;
    color: var(--md-primary);
    font-size: var(--md-label-medium);
}

.type-voice { /* subtle visual cue for voice audits */
    background: var(--md-surface-3);
    color: var(--md-on-surface);
}

.type-text { /* subtle visual cue for text audits */
    background: var(--md-surface-3);
    color: var(--md-on-surface);
}

.history-date {
    font-size: var(--md-label-small);
    color: var(--md-on-surface-muted);
    font-weight: 500;
}

.hitl-badge {
    padding: 2px 8px;
    border-radius: var(--md-corner-full);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hitl-badge.hitl-approved {
    background: var(--md-success-bg);
    color: var(--md-success);
}

.hitl-badge.hitl-rejected {
    background: var(--md-error-bg);
    color: var(--md-error);
}

/* Missing flagged state for HITL badges (JS may render 'Flagged') */
.hitl-badge.hitl-flagged {
    background: var(--md-warning-bg);
    color: var(--md-warning);
}

.history-transcript {
    font-size: var(--md-body-small);
    color: var(--md-on-surface);
    margin-bottom: var(--s3);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.history-card-footer {
    display: flex;
    align-items: center;
    gap: var(--s3);
    padding-top: var(--s3);
    border-top: 1px solid var(--md-outline-variant);
}

.f1-score {
    font-weight: 700;
    color: var(--md-primary);
    font-size: var(--md-label-medium);
}

.risk-badge {
    padding: 2px 8px;
    border-radius: var(--md-corner-full);
    font-size: 11px;
    font-weight: 700;
}

.risk-badge.risk-green {
    background: var(--md-success-bg);
    color: var(--md-success);
}

.risk-badge.risk-red {
    background: var(--md-error-bg);
    color: var(--md-error);
}

.risk-badge.risk-amber {
    background: var(--md-warning-bg);
    color: var(--md-warning);
}

.llm-tier {
    margin-left: auto;
    font-size: var(--md-label-small);
    color: var(--md-on-surface-faint);
}

.item-f1 {
    color: var(--md-on-surface-muted);
    font-weight: 600;
}

.item-risk {
    display: inline-flex;
    align-items: center;
    gap: var(--s1);
    font-weight: 700;
    letter-spacing: 0.04em;
    padding: 1px 8px;
    border-radius: var(--md-corner-full);
}

.item-risk .material-symbols-rounded {
    font-size: 0.85rem;
}

.item-risk.risk-green {
    background: var(--md-success-bg);
    color: var(--md-success);
}

.item-risk.risk-amber {
    background: var(--md-warning-bg);
    color: var(--md-warning);
}

.item-risk.risk-red {
    background: var(--md-error-bg);
    color: var(--md-error);
}

.item-risk.risk-unknown {
    background: var(--md-surface-3);
    color: var(--md-on-surface-muted);
}

.item-preview {
    font-size: 0.82rem;
    color: var(--md-on-surface-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-bottom: var(--s3);
}

/* Archive Action Buttons (Shneiderman Principle 7: User Control) */
.history-actions {
    display: flex;
    gap: var(--s2);
    opacity: 0;
    transition: opacity var(--md-duration-short) ease;
}

.history-card:hover .history-actions {
    opacity: 1;
}

.archive-export-btn,
.archive-delete-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--s1);
    padding: var(--s2) var(--s3);
    border-radius: var(--md-corner-md);
    border: none;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--md-duration-short) ease;
}

.archive-export-btn {
    background: var(--md-primary-container);
    color: var(--md-primary-light);
}

.archive-export-btn:hover {
    background: var(--md-primary-light);
    color: var(--md-on-primary);
}

.archive-delete-btn {
    background: var(--md-error-bg);
    color: var(--md-error);
}

.archive-delete-btn:hover {
    background: var(--md-error);
    color: var(--md-on-error);
}

.archive-export-btn .material-symbols-rounded,
.archive-delete-btn .material-symbols-rounded {
    font-size: 0.9rem;
}

.btn-danger {
    background: var(--md-error-bg) !important;
    color: var(--md-error) !important;
}

.btn-danger:hover {
    background: var(--md-error) !important;
    color: var(--md-on-error) !important;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--s2);
    padding: var(--s10) var(--s4);
    color: var(--md-on-surface-muted);
    font-size: 0.85rem;
    text-align: center;
    opacity: 0.6;
}

/* ── Archive List In-Place Loading States ──────────────────────────────── */

/* Shown on first/empty load — a centred spinner inside the scroll area */
.history-loading-state {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--s10) 0;
}

/* During filter re-fetches: dim cards in-place, no jarring wipe or text-flash */
.history-scroll.is-loading {
    opacity: 0.45;
    pointer-events: none;
    transition: opacity 0.18s ease;
}

.history-scroll:not(.is-loading) {
    opacity: 1;
    transition: opacity 0.22s ease;
}


/* ── Loading Overlay (Shared full-panel loader) ──────────────────────── */
.app-overlay-loader {
    position: absolute;
    inset: 0;
    background: var(--glass-modal-bg);
    backdrop-filter: blur(var(--blur-medium));
    -webkit-backdrop-filter: blur(var(--blur-medium));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--s4);
    border-radius: var(--md-corner-xl);
    z-index: 100;
    /* Offset so spinner centres in visible content area below the tab nav (overridable) */
    padding-top: var(--loader-offset, clamp(40px, 6vh, 80px));
}

/* Modifier: center the spinner exactly (no top offset) */
.app-overlay-loader.center {
    padding-top: 0;
    align-items: center;
    justify-content: center;
}

/* Modifier for overlays that should inherit the container's radius and sit inset */
.app-overlay-loader.inset {
    border-radius: inherit;
    padding-top: 0;
    background: rgba(15, 23, 42, 0.6);
    z-index: 10;
}

.spinner-wrap {
    position: relative;
    width: 44px;
    height: 44px;
}

.m3-spinner {
    width: 44px;
    height: 44px;
    border: 3px solid var(--md-primary-container);
    border-top-color: var(--md-primary);
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
    transition: border-top-color 0.3s ease, border-color 0.3s ease;
}

.ft-badge {
    position: absolute;
    bottom: -6px;
    right: -6px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #22c55e;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 0 3px var(--md-surface-2), 0 0 12px rgba(34, 197, 94, 0.5);
    animation: ftBadgePop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.ft-badge .material-symbols-rounded {
    font-size: 14px;
    color: #fff;
    font-variation-settings: 'FILL' 1;
}

@keyframes ftBadgePop {
    from {
        opacity: 0;
        transform: scale(0);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Spinner turns green when fast-tracked */
.fast-tracked .m3-spinner {
    border-color: rgba(34, 197, 94, 0.2);
    border-top-color: #22c55e;
}

/* Loader text mirrors fast-track green */
.fast-tracked #loader-text {
    color: #22c55e;
    font-weight: 600;
    text-shadow: 0 0 12px rgba(34, 197, 94, 0.35);
    animation: ftTextPulse 1.4s ease-in-out infinite;
}

#loader-text {
    color: var(--md-on-surface);
    font-size: var(--md-body-medium);
    text-align: center;
    max-width: 80%;
    word-wrap: break-word;
    margin: 0 auto;
}

@keyframes ftTextPulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.6;
    }
}

/* History Pending/Failed States */
.history-item.pending {
    border-left: 3px solid var(--md-primary) !important;
    background: var(--md-primary-container) !important;
    cursor: default !important;
}

.history-item.failed {
    border-left: 3px solid var(--md-error) !important;
    background: var(--md-error-bg) !important;
}

.audit-status {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 2px 6px;
    border-radius: 4px;
    letter-spacing: 0.5px;
}

.audit-status.processing {
    color: var(--md-primary-light);
    background: rgba(20, 184, 166, 0.1);
}

.audit-status.failed {
    color: var(--md-error-light);
    background: rgba(239, 68, 68, 0.1);
}

.spinner-small {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--md-primary-light);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.history-item-body {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
}

.history-item-body .filename {
    font-size: 13px;
    color: var(--md-on-surface);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 80%;
}

.history-item-body .error-msg {
    font-size: 11px;
    color: var(--md-error-light);
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
    }
}

.loader-msg {
    font-size: 0.85rem;
    color: var(--md-on-surface-muted);
    animation: loadPulse 1.5s ease-in-out infinite;
}

@keyframes loadPulse {

    0%,
    100% {
        opacity: 0.6;
    }

    50% {
        opacity: 1;
    }
}

/* ── Transcribe Now panel (inside loader overlay) ─────────────────── */
/* ── Transcribe Now panel (inside loader overlay) ─────────────────── */
.tnp-minimal-wrapper {
    margin-top: var(--s4);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--s3);
    animation: fadeUp 0.35s ease;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.btn-fast-track {
    display: inline-flex;
    align-items: center;
    gap: var(--s2);
    padding: var(--s2) var(--s4);
    border-radius: var(--md-corner-full);
    border: 1px solid var(--md-outline);
    background: transparent;
    color: var(--md-on-surface-muted);
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--md-duration-short) ease;
}

.btn-fast-track:hover:not(:disabled) {
    background: var(--md-surface-3);
    color: var(--md-on-bg);
    border-color: var(--md-primary-light);
}

.btn-fast-track:disabled {
    opacity: 0.38;
    cursor: not-allowed;
}

.btn-fast-track .material-symbols-rounded {
    font-size: var(--md-body-large);
}

.tnp-status {
    font-size: 0.8rem;
    color: var(--md-success);
    font-weight: 600;
    margin: 0;
}

/* ── Toast Notifications (MD3 Snackbar) ─────────────────────────────── */
.toast-outlet {
    position: fixed;
    bottom: var(--s6);
    right: var(--s6);
    display: flex;
    flex-direction: column;
    gap: var(--s2);
    z-index: var(--z-notification);
    pointer-events: none;
}

.modern-toast {
    padding: var(--s3) var(--s5);
    border-radius: var(--md-corner-md);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--md-on-surface);
    background: var(--md-surface-3);
    border: 1px solid var(--md-outline);
    box-shadow: var(--md-elevation-3);
    animation: toastIn var(--md-duration-medium) var(--md-easing);
    transition: opacity var(--md-duration-short), transform var(--md-duration-short);
    max-width: 320px;
    backdrop-filter: blur(var(--blur-medium));
}

.modern-toast.success {
    background: rgba(16, 185, 129, 0.9);
    border-color: var(--md-success);
}

.modern-toast.error {
    background: rgba(239, 68, 68, 0.88);
    border-color: var(--md-error);
}

.modern-toast.warning {
    background: rgba(245, 158, 11, 0.9);
    border-color: var(--md-warning);
    color: #1C1917;
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Error Dialog: User-Friendly Error Messages (Shneiderman Principle 5) */
.error-dialog-backdrop {
    animation: fadeIn var(--md-duration-short) ease-out;
}

.error-dialog {
    animation: slideUp var(--md-duration-medium) var(--md-easing);
    max-width: 500px;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* HITL Undo Toast: 10-second grace period with countdown (Shneiderman Principle 6) */
.hitl-undo-toast {
    background: linear-gradient(135deg, var(--md-surface-2) 0%, var(--md-surface-dim) 100%) !important;
    border-color: var(--md-on-surface-muted) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(148, 163, 184, 0.1) !important;
    animation: slideUpIfMobile var(--md-duration-medium) var(--md-easing) !important;
}

.hitl-undo-toast .btn-small {
    background: var(--md-primary);
    color: var(--md-on-primary);
    border: none;
    transition: all var(--md-duration-short) ease;
}

.hitl-undo-toast .btn-small:hover {
    background: var(--md-primary-light);
    box-shadow: var(--md-elevation-1);
}

.hitl-undo-toast .btn-small:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

@keyframes slideUpIfMobile {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Footer — Comprehensive sitemap, accessibility controls, legal/compliance links */

.app-footer {
    background: var(--md-surface);
    border-top: 1px solid var(--md-outline);
    color: var(--md-on-surface);
    margin-top: var(--s12);
    box-sizing: border-box;
    /* accommodate safe-area insets and maintain consistent horizontal padding */
    padding: calc(var(--s12) + env(safe-area-inset-top, 0px)) calc(var(--s6) + env(safe-area-inset-right, 0px)) calc(var(--s2) + env(safe-area-inset-bottom, 0px)) calc(var(--s6) + env(safe-area-inset-left, 0px));
    font-size: var(--md-body-small);
}

/* Footer Top: Branding + Controls */
.footer-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--s8);
    gap: var(--s6);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--s4);
    min-width: 0;
}

.footer-logo {
    width: 40px;
    height: 40px;
    border-radius: var(--md-corner-md);
    background: var(--md-primary-container);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 1;
    /* Fixed overflow */
    color: var(--md-primary);
    font-size: 1.5rem;
}

.footer-brand-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.footer-brand-name {
    font-size: var(--md-label-large);
    font-weight: 700;
    margin: 0;
    color: var(--md-on-surface);
    line-height: 1.2;
}

.footer-brand-desc {
    font-size: var(--md-label-small);
    color: var(--md-on-surface-muted);
    margin: 0;
}

/* Footer Controls (Right-Aligned) */
.footer-controls {
    display: flex;
    align-items: center;
    gap: var(--s4);
    margin-left: auto;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.footer-control-link {
    display: flex;
    align-items: center;
    gap: var(--s2);
    padding: var(--s2) var(--s3);
    background: transparent;
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-full);
    color: var(--md-on-surface-muted);
    font-size: var(--md-label-medium);
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--md-duration-short) var(--md-easing);
}

.footer-control-link:hover {
    background: var(--md-primary-container);
    color: var(--md-primary);
    border-color: var(--md-primary);
}

.footer-control-link .material-symbols-rounded {
    font-size: var(--md-body-large);
}

/* Footer Divider */
.footer-divider {
    height: 1px;
    background: var(--md-outline);
    margin: var(--s4) 0;
    /* Footer spacing: visual separation without excess */
}

/* Footer Content: Sitemap Grid */
.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--s3);
    margin-bottom: var(--s6);
}

/* Footer Section */
.footer-section {
    display: flex;
    flex-direction: column;
    gap: var(--s2);
}

.footer-section-title {
    font-size: var(--md-label-large);
    font-weight: 700;
    color: var(--md-on-surface);
    margin: 0 0 var(--s1) 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Footer Link List */
.footer-link-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--s1);
}

.footer-link {
    color: var(--md-on-surface-muted);
    text-decoration: none;
    font-size: var(--md-body-medium);
    /* Improved: upgraded from body-small for better visibility */
    transition: all var(--md-duration-short) var(--md-easing);
    position: relative;
    display: inline-block;
    width: fit-content;
    font-weight: 500;
    /* Subtle emphasis for scanability */
}

.footer-link:hover {
    color: var(--md-primary);
}

.footer-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--md-primary);
    border-radius: var(--md-corner-pixel);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--md-duration-short) var(--md-easing);
}

.footer-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.footer-link:focus-visible {
    outline: 2px solid var(--md-primary);
    outline-offset: 4px;
    border-radius: var(--md-corner-hairline);
}

/* Footer Bottom: Copyright & Meta */
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--s6);
    flex-wrap: wrap;
    margin-top: var(--s6);
    padding-top: var(--s6);
    border-top: 1px solid var(--md-outline);
    /* ensure bottom spacing on devices with notch / safe areas */
    padding-bottom: calc(var(--s4) + env(safe-area-inset-bottom, 0px));
}

/* Ensure footer sits above accidental layout overlays and is clickable */
.app-footer {
    position: relative;
    z-index: 5;
}

.footer-content,
.footer-bottom,
.footer-bottom-links,
.footer-link,
.footer-bottom-link {
    pointer-events: auto;
}

.footer-copyright {
    flex: 1;
    min-width: 0;
}

.footer-copyright p {
    margin: 0;
    color: var(--md-on-surface-muted);
    font-size: var(--md-body-medium);
    /* Consistency: body-medium for all footer text */
    line-height: 1.5;
    font-weight: 500;
}

/* Footer Bottom Links */
.footer-bottom-links {
    display: flex;
    gap: var(--s2);
    align-items: center;
    flex-wrap: wrap;
}

.footer-bottom-link {
    color: var(--md-on-surface-muted);
    text-decoration: none;
    font-size: var(--md-body-medium);
    /* Upgraded: from body-small to match footer section visibility */
    transition: color var(--md-duration-short) var(--md-easing);
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 0;
    font-family: inherit;
    margin: 0;
    line-height: inherit;
    font-weight: 500;
    /* Consistent with footer links for visual hierarchy */
}

.footer-bottom-link:hover {
    color: var(--md-primary);
    text-decoration: underline;
}

.footer-bottom-link:focus-visible {
    outline: 2px solid var(--md-primary);
    outline-offset: 4px;
    border-radius: var(--md-corner-hairline);
}

/* Footer Version/Status Badge */
.footer-version {
    display: flex;
    align-items: center;
    gap: var(--s2);
    color: var(--md-on-surface-muted);
    font-size: var(--md-label-small);
}

.footer-version p {
    margin: 0;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--s1);
    padding: 4px 8px;
    background: var(--md-success-bg);
    color: var(--md-success);
    border-radius: var(--md-corner-xs);
    font-weight: 600;
    white-space: nowrap;
}

.status-badge::before {
    content: '●';
    font-size: 0.75rem;
    animation: pulse 2s ease-in-out infinite;
}

/* ════════════════════════════════════════════════════════════════════════
   ENTERPRISE FOOTER SYSTEM STATUS
   Real-time system health, metrics, and service indicators for customers
   ════════════════════════════════════════════════════════════════════════ */

.footer-system-status {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--s4);
    padding: var(--s4);
    background: var(--md-surface-2);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-md);
    margin-bottom: var(--s4);
}

.status-section {
    display: flex;
    flex-direction: column;
    gap: var(--s2);
}

.status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--s2);
    background: var(--md-surface);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-sm);
    transition: all var(--md-duration-short) var(--md-easing);
}

.status-item:hover {
    background: rgba(15, 118, 110, 0.04);
    border-color: var(--md-primary);
}

.status-label {
    font-size: var(--md-label-small);
    font-weight: 600;
    color: var(--md-on-surface-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-value {
    display: flex;
    align-items: center;
    gap: var(--s1);
    font-size: var(--md-body-small);
    font-weight: 600;
    color: var(--md-on-surface);
    font-family: 'Monaco', 'Courier New', monospace;
}

/* Status value colors based on health */
.status-value.success {
    color: var(--md-success);
}

.status-value.warning {
    color: var(--md-warning);
}

.status-value.error {
    color: var(--md-error);
}

.status-value.prod {
    display: inline-block;
    padding: 2px 6px;
    background: var(--md-success-bg);
    color: var(--md-success);
    border-radius: var(--md-corner-hair);
    font-size: var(--md-label-small);
}

.status-value.dev {
    display: inline-block;
    padding: 2px 6px;
    background: rgba(59, 130, 246, 0.12);
    color: #3b82f6;
    border-radius: var(--md-corner-hair);
    font-size: var(--md-label-small);
}

/* Status indicator dot */
.status-value::before {
    content: '●';
    display: inline-block;
    width: 0.5rem;
}

.status-value.success::before {
    color: var(--md-success);
    animation: pulse 2s ease-in-out infinite;
}

.status-value.warning::before {
    color: var(--md-warning);
    animation: pulse-warning 1.5s ease-in-out infinite;
}

.status-value.error::before {
    color: var(--md-error);
    animation: none;
}

@keyframes pulse-warning {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* Light Theme Adjustments */
html[data-theme="light"] .footer-system-status {
    background: rgba(15, 118, 110, 0.04);
}

html[data-theme="light"] .status-item {
    background: rgba(255, 255, 255, 0.8);
}

/* Responsive: Tablet */
@media (max-width: 1024px) {
    .footer-system-status {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Responsive: Mobile */
@media (max-width: 768px) {
    .footer-system-status {
        grid-template-columns: 1fr;
        gap: var(--s2);
    }

    .status-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--s1);
    }

    .status-value {
        width: 100%;
        justify-content: space-between;
    }
}

/* Light Theme Footer */
html[data-theme="light"] .footer-section-title {
    color: var(--md-on-surface);
}

html[data-theme="light"] .footer-control-link {
    border-color: var(--md-outline);
}

/* Responsive: Tablet */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    }

    .footer-top {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer-controls {
        width: 100%;
        justify-content: flex-start;
        margin-left: 0;
    }
}

/* Responsive: Mobile */
@media (max-width: 640px) {
    .app-footer {
        padding: var(--s8) var(--s4);
    }

    .footer-top {
        gap: var(--s4);
    }

    .footer-content {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: var(--s6);
    }

    .footer-section-title {
        font-size: var(--md-label-medium);
        margin-bottom: var(--s1);
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--s4);
    }

    .footer-bottom-links {
        width: 100%;
    }

    .footer-controls {
        width: 100%;
    }

    .footer-brand-info {
        display: flex;
        flex-direction: column;
        gap: var(--s2);
    }

    .footer-brand-name {
        font-size: var(--md-title-small);
    }

    .footer-brand-desc {
        font-size: var(--md-label-small);
    }

    .footer-logo {
        width: 32px;
        height: 32px;
    }
}

/* Accessibility: High Contrast Mode */
@media (prefers-contrast: more) {
    .footer-control-link {
        border: 1.5px solid var(--md-outline);
    }

    .footer-link {
        text-decoration: none;
    }

    .footer-link:hover {
        text-decoration: underline;
    }
}

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {

    .footer-control-link,
    .footer-link,
    .status-badge::before {
        transition: none;
        animation: none;
    }
}

/* ────────────────────────────────────────────────────────────────────────────
   ADVANCED FOOTER ENHANCEMENTS
   Hover states, transitions, and visual polish for enterprise appearance
──────────────────────────────────────────────────────────────────────────── */

/* Footer link styling uses ::after animation defined in main section */

/* Stagger animation for footer sections on load */
.footer-section {
    animation: fadeInUp 0.6s ease-out;
}

.footer-section:nth-child(1) {
    animation-delay: 0.1s;
}

.footer-section:nth-child(2) {
    animation-delay: 0.2s;
}

.footer-section:nth-child(3) {
    animation-delay: 0.3s;
}

.footer-section:nth-child(4) {
    animation-delay: 0.4s;
}

.footer-section:nth-child(5) {
    animation-delay: 0.5s;
}

.footer-section:nth-child(6) {
    animation-delay: 0.6s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Footer Link List Items with Staggered Animation */
.footer-link-list li {
    /* disable per-link entrance animations to avoid duplicated flicker; keep section-level animation */
    animation: none !important;
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Footer Section Hover Enhancement */
.footer-section:hover .footer-section-title {
    color: var(--md-primary);
    transition: color var(--md-duration-medium) var(--md-easing);
}

/* Enhanced Control Button Styling */
.footer-control-link {
    position: relative;
    overflow: hidden;
}

.footer-control-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--md-primary-container);
    transition: left var(--md-duration-medium) var(--md-easing);
    z-index: -1;
}

.footer-control-link:hover::before {
    left: 0;
}

/* Footer Bottom Links Styling */
.footer-bottom-link {
    position: relative;
    padding: 0 var(--s2);
    /* Spacing consistency */
    display: inline;
}

/* Standalone separator elements — NOT hyperlinked, clearly visible */
.footer-separator {
    color: var(--md-on-surface-variant);
    /* Dark, visible bullet */
    margin: 0 var(--s2);
    /* Consistent spacing */
    font-weight: 500;
    /* Slightly bolder for clarity */
    pointer-events: none;
    /* Prevent any interaction */
    user-select: none;
    /* Prevent selection */
    display: inline;
    /* Flow with links */
}

/* Footer Socials - compact, accessible icon buttons */
.footer-socials {
    display: flex;
    gap: var(--s3);
    align-items: center;
    justify-content: flex-end;
}

.footer-social {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--md-corner-sm);
    background: transparent;
    color: var(--md-on-surface-muted);
    text-decoration: none;
    transition: background-color 180ms var(--md-easing), color 180ms var(--md-easing);
}

/* Inline SVG icon sizing and color inherit */
.footer-social-icon {
    width: 18px;
    height: 18px;
    display: block;
    flex: 0 0 18px;
}

.footer-social-icon path {
    fill: currentColor;
}

/* System status button placed with footer items, avoid fixed/sticky behavior */
.system-status-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--s2);
    padding: 8px 10px;
    border: 1px solid var(--md-outline);
    background: var(--md-surface-2);
    color: var(--md-on-surface);
    border-radius: var(--md-corner-sm);
    cursor: pointer;
    margin-left: 8px;
    flex-shrink: 1;
    /* Fixed overflow */
}

.system-status-btn .status-indicator-dots {
    display: inline-flex;
    gap: 6px;
    align-items: center;
}

.system-status-btn .status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.system-status-btn .api-dot {
    background: var(--md-success);
}

.system-status-btn .db-dot {
    background: var(--md-warning);
}

.system-status-btn .rt-dot {
    background: var(--md-error);
}

/* Ensure page content doesn't get overlapped by footer on small viewports */
.app-content-wrapper,
.main-content-card,
.app-container {
    padding-bottom: calc(var(--s10, 48px) + env(safe-area-inset-bottom, 0px));
}

.footer-social:hover,
.footer-social:focus {
    background: rgba(15, 118, 110, 0.08);
    color: var(--md-primary);
    outline: none;
}

.footer-social:focus-visible {
    box-shadow: 0 0 0 3px var(--md-primary-container);
    border-radius: var(--md-corner-sm);
}

/* Improve footer link contrast and keyboard visibility */
.footer-link {
    color: var(--md-on-surface-muted);
}

.footer-link:focus-visible {
    outline: 2px solid var(--md-primary);
    outline-offset: 3px;
}

/* Focus Visible States for Keyboard Navigation */
.footer-link:focus-visible::after {
    display: block;
}

.footer-control-link:focus-visible {
    box-shadow: 0 0 0 3px var(--md-primary-container);
}

.footer-bottom-link:focus-visible {
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 4px;
}

/* Status Badge Pulse Animation */
@keyframes statusPulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 var(--md-success);
    }

    50% {
        box-shadow: 0 0 0 4px rgba(5, 150, 105, 0.3);
    }
}

.status-badge {
    animation: statusPulse 3s ease-in-out infinite;
}

/* Footer Hover State Enhancement */
.app-footer {
    transition: border-color var(--md-duration-medium) var(--md-easing),
        background-color var(--md-duration-medium) var(--md-easing);
}

.app-footer:hover {
    border-top-color: var(--md-primary-container);
}

/* ════════════════════════════════════════════════════════════════════════
   SITEMAP MODAL
   Comprehensive site navigation overlay with smooth transitions
═════════════════════════════════════════════════════════════════════════ */

.sitemap-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex !important;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: var(--s6);
    opacity: 1;
    pointer-events: auto;
    transition: opacity 0.3s ease-out,
        pointer-events 0.3s ease-out;
    animation: fadeIn 0.3s ease-out;
}

.sitemap-content {
    background: var(--md-surface);
    border-radius: var(--md-corner-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    width: 100%;
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.sitemap-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--s5);
    border-bottom: 1px solid var(--md-outline);
    position: sticky;
    top: 0;
    background: var(--md-surface);
    z-index: 1;
    gap: var(--s3);
}

.sitemap-header h2 {
    margin: 0;
    font-size: var(--md-headline-small);
    color: var(--md-on-surface);
    flex: 1;
}

.sitemap-header-actions {
    display: flex;
    align-items: center;
    gap: var(--s2);
}

.sitemap-download,
.policy-download {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: transparent;
    border: none;
    color: var(--md-on-surface);
    cursor: pointer;
    padding: 0;
    font-size: 24px;
    transition: all var(--md-duration-short) var(--md-easing);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sitemap-download:hover,
.policy-download:hover {
    background: var(--md-surface-container);
    color: var(--md-primary);
}

.sitemap-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    border-radius: 50%;
    color: var(--md-on-surface);
    cursor: pointer;
    padding: 0;
    font-size: 24px;
    transition: all var(--md-duration-short) var(--md-easing);
}

.sitemap-close:hover {
    background: var(--md-surface-container);
    color: var(--md-primary);
}

.sitemap-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--s5);
    padding: var(--s5);
}

/* ── SITEMAP TREE STRUCTURE ─────────────────────────────────────── */
.sitemap-tree {
    padding: var(--s5);
    overflow-y: auto;
    max-height: calc(90vh - 120px);
}

.tree-root,
.tree-children {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tree-children {
    margin-left: var(--s4);
    padding-left: 0;
}

.tree-branch,
.tree-leaf {
    margin: 0;
    padding: 0;
}

.tree-branch {
    margin-bottom: var(--s2);
}

.tree-node-label {
    display: flex;
    align-items: center;
    gap: var(--s2);
    padding: var(--s2) var(--s3);
    border-radius: var(--md-corner-sm);
    cursor: pointer;
    transition: all var(--md-duration-short) var(--md-easing);
    user-select: none;
    color: var(--md-on-surface);
    font-weight: 500;
}

.tree-branch>.tree-node-label:hover {
    background: var(--md-surface-container);
    color: var(--md-primary);
}

.tree-toggle {
    display: inline-flex;
    width: 18px;
    font-size: 12px;
    font-weight: bold;
    cursor: pointer;
    color: var(--md-on-surface-muted);
    transition: transform var(--md-duration-short) var(--md-easing);
    user-select: none;
}

.tree-branch>.tree-node-label:hover .tree-toggle {
    color: var(--md-primary);
}

.tree-leaf {
    padding: var(--s1) 0;
    margin-left: var(--s8);
}

.tree-leaf a {
    display: flex;
    align-items: center;
    gap: var(--s2);
    padding: var(--s2) var(--s3);
    color: var(--md-on-surface-muted);
    text-decoration: none;
    border-radius: var(--md-corner-sm);
    transition: all var(--md-duration-short) var(--md-easing);
    font-size: var(--md-body-medium);
}

.tree-leaf a:hover {
    background: var(--md-surface-container);
    color: var(--md-primary);
    padding-left: var(--s4);
}

.sitemap-section h3 {
    font-size: var(--md-title-medium);
    color: var(--md-on-surface);
    margin: 0 0 var(--s3) 0;
}

.sitemap-section h4 {
    font-size: var(--md-title-small);
    font-weight: 600;
    color: var(--md-on-surface);
    margin: var(--s4) 0 var(--s2) 0;
    padding: 0;
    line-height: 1.4;
}

.sitemap-section h4:first-child {
    margin-top: 0;
}

.sitemap-section p {
    font-size: var(--md-body-medium);
    color: var(--md-on-surface);
    margin: 0 0 var(--s3) 0;
    line-height: 1.6;
    padding: 0;
}

.sitemap-section p:last-child {
    margin-bottom: 0;
}

.sitemap-section {
    display: flex;
    flex-direction: column;
    gap: var(--s1);
}

.sitemap-section a {
    color: var(--md-on-surface-muted);
    text-decoration: none;
    transition: color var(--md-duration-short) var(--md-easing);
}

.sitemap-section a:hover {
    color: var(--md-primary);
}

@media (max-width: 768px) {
    .sitemap-content {
        max-height: 95vh;
    }

    .sitemap-grid {
        grid-template-columns: 1fr;
    }

    .sitemap-tree {
        max-height: calc(95vh - 120px);
        padding: var(--s4);
    }

    .sitemap-header {
        padding: var(--s4);
        flex-wrap: wrap;
    }

    .sitemap-header h2 {
        width: 100%;
    }

    .sitemap-header-actions {
        width: 100%;
        gap: var(--s1);
    }

    .sitemap-grid {
        padding: var(--s4);
        gap: var(--s4);
    }

    .tree-children {
        margin-left: var(--s3);
    }

    .tree-leaf {
        margin-left: var(--s6);
    }
}

/* ── Scrollbar (Custom) ─────────────────────────────────────────────── */
::-webkit-scrollbar {
    width: 4px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--md-outline);
    border-radius: var(--md-corner-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--md-primary);
}

/* ── Responsive ─────────────────────────────────────────────────────── */

/* Tablet / mid viewport: 641–860px — 2-col KPIs, tighter panel gap */
@media (max-width: 860px) {
    .kpi-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .kpi-row .kpi-card:nth-child(3):last-child {
        grid-column: 1 / -1;
        max-width: calc(50% - var(--s3) / 2);
        justify-self: start;
    }

    .result-container {
        gap: var(--s3);
    }
}

/* Mobile: ≤640px */
@media (max-width: 640px) {
    .kpi-row {
        grid-template-columns: 1fr;
    }

    .kpi-row .kpi-card:nth-child(3):last-child {
        grid-column: unset;
        max-width: unset;
        justify-self: unset;
    }

    .viz-grid {
        grid-template-columns: 1fr;
    }

    .audit-details-grid {
        grid-template-columns: 1fr;
    }

    .action-grid {
        grid-template-columns: 1fr 1fr;
    }

    .hitl-actions {
        flex-direction: column;
    }

    .tab-navigation {
        padding: 0 var(--s2);
    }

    .nav-tab span:not(.material-symbols-rounded) {
        display: none;
    }

    .content-panel {
        padding: var(--s4);
    }

    .app-header {
        gap: var(--s3);
        margin-bottom: var(--s4);
    }

    .app-logo {
        width: 42px;
        height: 42px;
    }

    .app-title-group h1 {
        font-size: 1.3rem;
    }

    .file-name {
        max-width: min(200px, 40vw);
    }

    .toast-outlet {
        right: var(--s3);
        left: var(--s3);
        bottom: var(--s4);
    }

    .modern-toast {
        max-width: 100%;
    }

    .history-scroll {
        max-height: 420px;
    }
}

/* Small phone: ≤400px */
@media (max-width: 400px) {
    .app-container {
        padding-top: calc(36px + var(--s5));
        padding-inline: var(--s3);
    }

    .kpi-value {
        font-size: 1.2rem;
    }

    .content-panel {
        padding: var(--s3);
    }

    .app-title-group h1 {
        font-size: 1.15rem;
    }

    .app-tagline {
        font-size: 0.72rem;
    }
}

/* ── Authentication Pages ────────────────────────────────────────────── */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--s4);
    background: linear-gradient(135deg, rgba(15, 118, 110, 0.05), rgba(20, 184, 166, 0.05));
    backdrop-filter: blur(var(--blur-medium)) saturate(80%);
    -webkit-backdrop-filter: blur(var(--blur-medium)) saturate(80%);
}

.auth-container {
    background: var(--glass-overlay-bg);
    backdrop-filter: blur(var(--blur-medium)) saturate(130%);
    -webkit-backdrop-filter: blur(var(--blur-medium)) saturate(130%);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-lg);
    padding: var(--s6);
    max-width: 420px;
    width: 100%;
    box-shadow: var(--glass-panel-shadow);
    animation: contentFadeIn 0.5s ease-out;
}

@media (max-width: 640px) {
    .auth-container {
        padding: var(--s5);
        margin: var(--s4) 0;
    }

    .auth-container h2 {
        font-size: 1.25rem;
    }
}

@media (max-width: 480px) {
    .auth-page {
        padding: var(--s3);
    }

    .auth-container {
        padding: var(--s4);
        border-radius: var(--md-corner-md);
    }
}

.auth-container h2 {
    margin-bottom: var(--s5);
    color: var(--md-on-bg);
    font-size: 1.5rem;
}

.form-group {
    margin-bottom: var(--s4);
    display: flex;
    flex-direction: column;
    gap: var(--s2);
}

.form-group label {
    margin-bottom: 0;
    color: var(--md-on-surface);
    font-size: 0.9rem;
    font-weight: 500;
    line-height: 1.4;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group textarea {
    padding: var(--s3);
    background: rgba(30, 47, 72, 0.7);
    border: 1.5px solid rgba(15, 118, 110, 0.2);
    border-radius: var(--md-corner-md);
    color: var(--md-on-surface);
    font-size: var(--md-body-large);
    line-height: 1.6;
    transition: all var(--md-duration-short) var(--md-easing);
    font-family: inherit;
    min-height: 44px;
}

.form-group input:not([type="checkbox"])::placeholder {
    color: var(--md-on-surface-muted);
    opacity: 1;
}

.hero-auth-container .form-group input:not([type="checkbox"]):focus::placeholder {
    opacity: 0;
}

.form-group textarea::placeholder {
    color: var(--md-on-surface-muted);
    opacity: 1;
}

.form-group input:not([type="checkbox"]):focus {
    outline: none;
    border-color: var(--md-primary);
    background: rgba(38, 53, 72, 0.8);
    box-shadow: 0 0 0 2px var(--md-primary);
}

.form-group.checkbox {
    flex-direction: row;
    align-items: center;
    margin: var(--s4) 0;
}

.form-group.checkbox input {
    margin-right: var(--s3);
    width: 20px;
    height: 20px;
    cursor: pointer;
}

/* Keep checkbox focus subtle and distinct from text inputs */
.form-group.checkbox input:focus {
    outline: none;
    box-shadow: none;
}

.form-group.checkbox input:focus-visible {
    outline: 2px solid rgba(15, 118, 110, 0.12);
    outline-offset: 2px;
}

.form-group.checkbox label {
    margin-bottom: 0;
    cursor: pointer;
}

/* ── Dashboard Pages ─────────────────────────────────────────────────── */
.dash-page {
    padding: var(--s6);
    max-width: 1200px;
    margin: 0 auto;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--s6);
    padding-bottom: var(--s4);
    border-bottom: 1px solid var(--md-outline);
    flex-wrap: wrap;
    gap: var(--s4);
}

.dashboard-header h2 {
    color: var(--md-on-bg);
    margin: 0;
}

.dashboard {
    padding: var(--s6);
}

.dashboard h2 {
    margin-bottom: var(--s5);
    color: var(--md-on-bg);
}


.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--s5);
    margin-bottom: var(--s8);
}

.stat-card {
    background: var(--md-surface);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-lg);
    padding: var(--s5);
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--s5);
    transition:
        border-color var(--md-duration-short) var(--md-easing),
        box-shadow var(--md-duration-short) var(--md-easing),
        transform var(--md-duration-short) var(--md-easing),
        background var(--md-duration-short) var(--md-easing);
    box-shadow: var(--md-elevation-1);
    min-height: 120px;
    position: relative;
    overflow: hidden;
}

/* Original audit design: 3px colored top-bar accent — encodes meaning spatially */
.stat-card::before {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 3px;
    background: var(--md-outline);
    transition: background var(--md-duration-medium) var(--md-easing);
}

.stat-card.stat-success::before {
    background: var(--md-success);
}

.stat-card.stat-warning::before {
    background: var(--md-warning);
}

.stat-card.stat-error::before {
    background: var(--md-error);
}

.stat-card.stat-primary::before {
    background: var(--md-primary);
}

.stat-card:hover {
    background: var(--md-surface-2);
    border-color: var(--md-primary);
    transform: translateY(-2px);
    box-shadow: var(--md-elevation-2);
}

.stat-card:hover::before {
    background: var(--md-primary);
}



.stat-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    min-width: 64px;
    border-radius: var(--md-corner-md);
    background: var(--md-primary-container);
    border: 1px solid var(--md-outline);
    transition: all var(--md-duration-short) var(--md-easing);
}

.stat-card:hover .stat-card-icon {
    background: var(--md-primary);
    border-color: var(--md-primary-light);
}

.stat-card:hover .stat-card-icon .material-symbols-rounded {
    color: var(--md-on-primary);
}

.stat-card-icon .material-symbols-rounded {
    font-size: 2rem;
    color: var(--md-primary-light);
    transition: color var(--md-duration-short) var(--md-easing);
}

.stat-card-body {
    display: flex;
    flex-direction: column;
    gap: var(--s1);
    flex: 1;
    min-width: 0;
}

.stat-label {
    margin: 0;
    color: var(--md-on-surface-muted);
    font-size: var(--md-label-medium);
    font-weight: 500;
    letter-spacing: 0.02em;
}

.stat-value {
    margin: 0;
    color: var(--md-on-surface);
    font-size: var(--md-headline-small);
    font-weight: 700;
    line-height: 1.2;
}

/* ── Activity Feed & Cards ── */
.activity-feed {
    display: flex;
    flex-direction: column;
    gap: var(--s3);
}


/* ── Dashboard Content ── */


/* ── Dashboard Page Header ── */
.dashboard-title-group {
    display: flex;
    align-items: center;
    gap: var(--s3);
}

.dashboard-subtitle {
    margin: var(--s1) 0 0 0;
    font-size: var(--md-body-medium);
    color: var(--md-on-surface-muted);
    font-weight: 400;
}

.dashboard-header-actions {
    display: flex;
    align-items: center;
    gap: var(--s3);
    flex-wrap: wrap;
}

/* ── Tonal Button (MD3 secondary action) ── */
.btn-tonal {
    display: inline-flex;
    align-items: center;
    gap: var(--s2);
    padding: var(--s2) var(--s5);
    border-radius: var(--md-corner-full);
    font-size: var(--md-label-large);
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all var(--md-duration-short) var(--md-easing);
    background: rgba(15, 118, 110, 0.12);
    color: var(--md-primary);
    min-height: 40px;
}

.btn-tonal:hover {
    background: rgba(15, 118, 110, 0.20);
    box-shadow: var(--md-elevation-1);
}

.btn-tonal:active {
    background: rgba(15, 118, 110, 0.28);
    transform: scale(0.98);
}

.btn-tonal .material-symbols-rounded {
    font-size: 20px;
}

/* ── Notifications Panel ── */
.notifications-panel {
    position: fixed !important;
    top: 65px !important;
    right: 60px !important;
    width: 320px;
    background: var(--glass-panel-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-lg);
    box-shadow: var(--glass-panel-shadow);
    z-index: 9999 !important;
    display: flex;
    flex-direction: column;
}

/* ── Sidebar Structural Subcomponents ── */
.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--s4) var(--s4) var(--s3) var(--s4);
    border-bottom: 1px solid var(--md-outline);
}

.sidebar-logo {
    display: flex;
    align-items: center;
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--s3) 0;
    scrollbar-width: thin;
    scrollbar-color: var(--md-outline) transparent;
}

.nav-section {
    margin-bottom: var(--s4);
}

.nav-section-title {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--md-on-surface-muted);
    padding: 0 var(--s4) var(--s1) var(--s4);
    margin: 0;
}

.nav-label {
    flex: 1;
    text-align: left;
    font-size: var(--md-label-large);
    font-weight: 500;
    color: inherit;
}

/* ── Header Structural Layout ── */
.header-top {
    display: flex;
    align-items: center;
    gap: var(--s4);
    width: 100%;
    height: 100%;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--s3);
    flex-shrink: 1;
    /* Fixed overflow */
}

.header-center {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    min-width: 0;
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--s2);
    flex-shrink: 1;
    /* Fixed overflow */
}

.header-brand-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--md-primary);
    margin: 0;
    line-height: 1.2;
}

.header-product-tag {
    font-size: 0.65rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--md-on-surface-muted);
}

.nav-toggle-icon {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--md-corner-sm);
    border: none;
    background: transparent;
    color: var(--md-on-surface-muted);
    cursor: pointer;
    transition: background var(--md-duration-short) var(--md-easing);
}

.nav-toggle-icon:hover {
    background: var(--md-surface-dim);
}

/* Show toggle on mobile */
@media (max-width: 860px) {
    .nav-toggle-icon {
        display: flex;
    }
}

/* ── Breadcrumb ── */
.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: var(--s1);
    list-style: none;
    margin: 0;
    padding: 0;
}

.breadcrumb-link {
    font-size: var(--md-label-medium);
    color: var(--md-on-surface-muted);
    text-decoration: none;
    transition: color var(--md-duration-short) var(--md-easing);
}

.breadcrumb-link:hover {
    color: var(--md-primary);
}

.breadcrumb-link.active {
    color: var(--md-on-bg);
    font-weight: 600;
    pointer-events: none;
}

.breadcrumb-separator {
    font-size: 0.75rem;
    color: var(--md-outline);
    user-select: none;
}

/* ── Header Icon Buttons ── */
.header-icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--md-corner-sm);
    border: none;
    background: transparent;
    color: var(--md-on-surface-muted);
    cursor: pointer;
    transition: background var(--md-duration-short) var(--md-easing),
        color var(--md-duration-short) var(--md-easing);
    flex-shrink: 1;
    /* Fixed overflow */
}

.header-icon-btn:hover {
    background: var(--md-surface-dim);
    color: var(--md-on-bg);
}

/* ── User Menu Button ── */
.user-menu-btn {
    display: flex;
    align-items: center;
    gap: var(--s2);
    padding: var(--s1) var(--s2);
    border-radius: var(--md-corner-full);
    border: 1px solid var(--md-outline);
    background: var(--md-surface-2);
    color: var(--md-on-bg);
    cursor: pointer;
    font-size: var(--md-label-medium);
    transition: all var(--md-duration-short) var(--md-easing);
}

.user-menu-btn:hover {
    background: var(--md-surface-dim);
    border-color: var(--md-primary-light);
}

.user-display-name {
    font-weight: 500;
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

@media (max-width: 640px) {
    .user-display-name {
        display: none;
    }
}

.dropdown-chevron {
    font-size: 18px !important;
    color: var(--md-on-surface-muted);
    transition: transform var(--md-duration-short) var(--md-easing);
}

[aria-expanded="true"] .dropdown-chevron {
    transform: rotate(180deg);
}

/* ── User Menu Dropdown ── */
.user-menu-dropdown {
    position: fixed !important;
    top: 65px !important;
    right: 20px !important;
    min-width: 240px;
    background: var(--glass-panel-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-lg);
    box-shadow: var(--glass-panel-shadow);
    z-index: 9999 !important;
    overflow: hidden;
}

.user-menu-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: var(--s4);
    gap: var(--s3);
}

.user-menu-header .user-name {
    font-size: var(--md-body-medium);
    font-weight: 600;
    color: var(--md-on-bg);
    margin: 0;
}

.user-menu-header .user-email {
    font-size: var(--md-label-small);
    color: var(--md-on-surface-muted);
    margin: 0;
}

.user-status {
    display: flex;
    align-items: center;
    gap: var(--s1);
    font-size: var(--md-label-small);
    color: var(--md-success, #4ade80);
    background: rgba(74, 222, 128, 0.1);
    padding: var(--s1) var(--s2);
    border-radius: var(--md-corner-full);
    white-space: nowrap;
}

.user-menu-list {
    list-style: none;
    margin: 0;
    padding: var(--s1) 0;
}

.user-menu-link {
    display: flex;
    align-items: center;
    gap: var(--s3);
    padding: var(--s2) var(--s4);
    font-size: var(--md-body-medium);
    color: var(--md-on-bg);
    text-decoration: none;
    cursor: pointer;
    width: 100%;
    border: none;
    background: transparent;
    text-align: left;
    transition: background var(--md-duration-short) var(--md-easing);
}

.user-menu-link:hover {
    background: var(--md-surface-dim);
}

.user-menu-link.logout-link {
    color: var(--md-error);
    padding: var(--s3) var(--s4);
}

.user-menu-link.logout-link:hover {
    background: rgba(239, 68, 68, 0.08);
}

.user-menu-container {
    position: relative;
}

/* ── Notification Badge ── */
.notification-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--md-error);
    color: #fff;
    font-size: 0.6rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.notifications-container {
    position: relative;
}

.notifications-panel {
    position: absolute;
    top: calc(100% + var(--s2));
    right: 0;
    width: 320px;
    background: var(--glass-panel-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-lg);
    box-shadow: var(--glass-panel-shadow);
    z-index: var(--z-dropdown);
    overflow: hidden;
    animation: dropdownSlideIn var(--md-duration-medium) var(--md-easing);
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--s3) var(--s4);
    border-bottom: 1px solid var(--md-outline);
}

.panel-header h3 {
    font-size: var(--md-title-small);
    font-weight: 600;
    color: var(--md-on-bg);
    margin: 0;
}

.panel-close-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: none;
    border-radius: var(--md-corner-sm);
    background: transparent;
    color: var(--md-on-surface-muted);
    cursor: pointer;
    transition: background var(--md-duration-short) var(--md-easing);
}

.panel-close-btn:hover {
    background: var(--md-surface-dim);
}

.notification-item {
    display: flex;
    align-items: flex-start;
    gap: var(--s3);
    padding: var(--s3) var(--s4);
    border-bottom: 1px solid var(--md-outline);
    transition: background var(--md-duration-short) var(--md-easing);
}

.notification-item:hover {
    background: var(--md-surface-dim);
}

.notification-item:last-child {
    border-bottom: none;
}

.notification-icon {
    font-size: 1rem;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 1;
    /* Fixed overflow */
}

.notification-icon.alert {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

.notification-icon.success {
    background: rgba(74, 222, 128, 0.15);
    color: #4ade80;
}

.notification-title {
    font-size: var(--md-body-medium);
    font-weight: 500;
    color: var(--md-on-bg);
    margin: 0 0 var(--s1) 0;
}

.notification-time {
    font-size: var(--md-label-small);
    color: var(--md-on-surface-muted);
    margin: 0;
}

.panel-footer {
    padding: var(--s3) var(--s4);
    text-align: center;
    border-top: 1px solid var(--md-outline);
}

.view-all-link {
    font-size: var(--md-label-medium);
    color: var(--md-primary);
    text-decoration: none;
    font-weight: 500;
}

.view-all-link:hover {
    text-decoration: underline;
}

/* ── Nav Link Danger (Logout in sidebar) ── */
.nav-link.danger {
    color: var(--md-error) !important;
}

.nav-link.danger:hover {
    background: rgba(239, 68, 68, 0.08) !important;
}



/* ════════════════════════════════════════════════════════════════════════
   RESPONSIVE NAVIGATION & LAYOUT
   Psychology: Adapt navigation to device while maintaining mental model
   Desktop: Sidebar always visible = minimal context switching
   Mobile: Hamburger menu = space-efficient, gesture-friendly
   ════════════════════════════════════════════════════════════════════════ */

/* ── Tablet & Medium Viewport: 641px – 860px ──────────────────────────– */
@media (max-width: 860px) {

    /* Hide desktop sidebar, show hamburger toggle */
    .app-sidebar {
        transform: translateX(-100%);
        z-index: var(--z-sidebar-overlay);
    }

    .nav-toggle-btn {
        display: flex;
        z-index: var(--z-nav-toggle);
    }

    .header-menu-btn {
        display: flex;
        z-index: var(--z-nav-toggle);
    }

    .sidebar-close {
        display: flex;
        z-index: var(--z-nav-toggle);
    }

    /* Container minus sidebar when not visible */
    .app-container {
        margin-left: 0 !important;
        width: 100% !important;
        padding-top: 110px;
    }

    /* Hide breadcrumbs on mobile for space efficiency */
    .breadcrumb {
        display: none;
    }

    /* Reduce header padding on smaller screens */
    .app-header {
        gap: var(--s3);
        padding: var(--s3) var(--s4);
        min-height: 60px;
    }

    .app-title-group h1 {
        font-size: 1.25rem;
    }

    .app-logo {
        width: 40px;
        height: 40px;
    }

    /* Content wrapper adaptive padding */
    .app-content-wrapper {
        padding: var(--s6) var(--s4);
    }
}

/* Mobile: ≤ 640px — Single Column, Hamburger Menu ────────────────────– */
@media (max-width: 640px) {

    /* Sidebar mobile behavior */
    .app-sidebar {
        width: 100%;
        max-width: none !important;
    }

    .sidebar-backdrop[aria-hidden="false"],
    .sidebar-backdrop:not([hidden]) {
        display: block;
    }

    /* Header compact on mobile */
    .app-header {
        gap: var(--s2);
        padding: var(--s2) var(--s3);
        min-height: 56px;
    }

    .app-title-group h1 {
        font-size: 1.125rem;
        gap: var(--s1);
    }

    .app-title-group {
        overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
    }

    .app-tagline {
        display: none;
    }

    .header-badge {
        padding: 1px 4px;
        font-size: 0.6rem;
    }

    .app-logo {
        width: 36px;
        height: 36px;
    }

    .app-logo .material-symbols-rounded {
        font-size: 1.25rem;
    }

    /* Content wrapper on mobile */
    .app-content-wrapper {
        padding: var(--s5) var(--s3);
        gap: var(--s6);
        max-width: 100%;
    }

    /* Reduce gaps on mobile */
    .main-content-card {
        border-radius: var(--md-corner-lg);
    }

    /* Mobile-friendly tab navigation */
    .tab-navigation {
        padding: 0 var(--s2);
        gap: 0;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .nav-tab {
        padding: var(--s2) var(--s3);
        font-size: var(--md-label-medium);
        white-space: nowrap;
        flex-shrink: 1;
        /* Fixed overflow */
    }

    /* Mobile button sizing */
    .btn-primary,
    .btn-secondary {
        min-height: 40px;
        padding: var(--s2) var(--s4);
        font-size: var(--md-label-large);
    }

    .dashboard-actions {
        flex-direction: column !important;
        gap: var(--s3) !important;
    }

    .dashboard-actions button {
        width: 100% !important;
    }

    /* Stats grid mobile optimization */
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--s3);
    }

    .stat-card {
        min-height: 110px;
        padding: var(--s4) var(--s3);
    }

    .stat-value {
        font-size: 1.75rem;
    }

    /* Form optimization */
    .form-group {
        margin-bottom: var(--s3);
    }

    .form-group input,
    .form-group textarea {
        font-size: 16px;
        /* Prevents zoom on iOS focus */
        min-height: 40px;
        padding: var(--s2) var(--s3);
    }

    .auth-container {
        max-width: 100%;
        padding: var(--s5) var(--s4);
        border-radius: var(--md-corner-lg);
    }

    .auth-container h2 {
        font-size: var(--md-title-large);
    }

    /* Dropzone mobile */
    .upload-dropzone {
        padding: var(--s6) var(--s4);
    }

    .dropzone-text,
    .dropzone-hint {
        font-size: var(--md-label-medium);
    }

    /* KPI row mobile */
    .kpi-row {
        grid-template-columns: 1fr;
        gap: var(--s3);
    }

    .kpi-card {
        padding: var(--s4) var(--s3);
    }

    /* Visualization grid mobile */
    .viz-grid {
        grid-template-columns: 1fr;
        gap: var(--s3);
    }

    .viz-card {
        border-radius: var(--md-corner-lg);
    }
}

/* ── Small Phones: < 400px – Compressed Layout ─────────────────────────– */
@media (max-width: 400px) {
    .app-header {
        gap: var(--s1);
        padding: var(--s2) var(--s2);
        min-height: 52px;
    }

    .app-title-group h1 {
        font-size: var(--md-body-large);
    }

    .app-logo {
        width: 32px;
        height: 32px;
    }

    .app-content-wrapper {
        padding: var(--s4) var(--s2);
        gap: var(--s4);
    }

    .main-content-card {
        border-radius: var(--md-corner-md);
    }

    /* Reduce all spacing on tiny screens */
    .auth-container {
        padding: var(--s4) var(--s3);
    }

    .auth-container h2 {
        font-size: 1.125rem;
        margin-bottom: var(--s3);
    }

    .form-group {
        margin-bottom: var(--s2);
    }

    .stat-card {
        min-height: 100px;
        padding: var(--s3) var(--s2);
    }

    .stat-value {
        font-size: 1.5rem;
    }

    .stat-card h3 {
        font-size: 0.75rem;
    }

    .nav-tab {
        padding: var(--s1) var(--s2);
        font-size: 0.7rem;
    }

    .nav-tab .material-symbols-rounded {
        font-size: var(--md-body-large);
    }

    .tab-navigation {
        padding: 0 var(--s1);
    }
}

/* ════════════════════════════════════════════════════════════════════════
   RESPONSIVE DESIGN — MD3 Adaptive Breakpoints
   Desktop (>860px) → Tablet (641-860px) → Mobile (≤640px) → Small <400px
   ════════════════════════════════════════════════════════════════════════ */

/* Tablet / Medium Viewport: 641–860px */
@media (max-width: 860px) {
    .auth-page {
        padding: var(--s5);
    }

    .auth-container {
        max-width: 100%;
        padding: var(--s6) var(--s5);
    }

    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--s3);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile: ≤640px — Optimized single column */
@media (max-width: 640px) {
    .auth-page {
        padding: var(--s4);
        min-height: auto;
    }

    .auth-container {
        padding: var(--s6) var(--s4);
        max-width: 100%;
        border-radius: var(--md-corner-lg);
    }

    .auth-container h2 {
        font-size: 1.25rem;
        margin-bottom: var(--s3);
    }

    .auth-container .form-subtitle {
        font-size: 0.8125rem;
        margin-bottom: var(--s5);
    }

    .form-group {
        margin-bottom: var(--s4);
        gap: var(--s2);
    }

    .form-group label {
        font-size: 0.8125rem;
        font-weight: 700;
    }

    .form-group input[type="text"],
    .form-group input[type="email"],
    .form-group input[type="password"],
    .form-group textarea {
        font-size: 16px;
        padding: var(--s4) var(--s4);
        min-height: 44px;
    }

    .form-group.checkbox {
        gap: var(--s3);
        margin: var(--s4) 0;
    }

    .form-group.checkbox input[type="checkbox"] {
        width: 20px;
        height: 20px;
        min-width: 20px;
    }

    .error-msg {
        font-size: 0.75rem;
        padding: var(--s3) var(--s4);
    }

    .auth-container input[type="submit"],
    .auth-container .btn-primary {
        min-height: 44px;
    }

    .auth-footer {
        margin-top: var(--s6);
        font-size: 0.8125rem;
    }

    .dash-page {
        padding: var(--s4);
    }

    .dashboard {
        padding: var(--s4);
    }

    .dashboard-header {
        margin-bottom: var(--s6);
        padding-bottom: var(--s4);
        gap: var(--s3);
    }

    .dashboard-header h2 {
        font-size: 1.25rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--s4);
    }

    .stat-card {
        padding: var(--s5) var(--s4);
        min-height: 130px;
    }

    .stat-card h3 {
        font-size: 0.75rem;
        margin-bottom: var(--s3);
        letter-spacing: 0.12em;
    }

    .stat-value {
        font-size: 2rem;
    }
}

/* Small Phone: <400px — Compressed responsive layout */
@media (max-width: 400px) {
    .auth-page {
        padding: var(--s3);
    }

    .auth-container {
        padding: var(--s5) var(--s3);
        border-radius: var(--md-corner-md);
    }

    .auth-container h2 {
        font-size: 1.125rem;
        margin-bottom: var(--s2);
    }

    .auth-container .form-subtitle {
        font-size: 0.75rem;
        margin-bottom: var(--s4);
    }

    .form-group {
        margin-bottom: var(--s3);
    }

    .form-group label {
        font-size: 0.75rem;
        font-weight: 700;
    }

    .form-group input[type="text"],
    .form-group input[type="email"],
    .form-group input[type="password"] {
        font-size: 16px;
        padding: var(--s3) var(--s3);
    }

    .form-group.checkbox input[type="checkbox"] {
        width: 18px;
        height: 18px;
    }

    .form-group.checkbox label {
        font-size: 0.8125rem;
    }

    .error-msg {
        font-size: 0.75rem;
        padding: var(--s2) var(--s3);
    }

    .auth-footer {
        margin-top: var(--s5);
        font-size: 0.75rem;
    }

    .dash-page {
        padding: var(--s3);
    }

    .dashboard {
        padding: var(--s3);
    }

    .dashboard-header {
        margin-bottom: var(--s5);
        padding-bottom: var(--s3);
    }

    .dashboard-header h2 {
        font-size: 1.125rem;
    }

    .stat-card {
        padding: var(--s4) var(--s3);
        min-height: 120px;
    }

    .stat-card h3 {
        font-size: 0.7rem;
        margin-bottom: var(--s2);
    }

    .stat-value {
        font-size: 1.5rem;
    }
}

/* ════════════════════════════════════════════════════════════════════════════════════════════════
   ACCESSIBILITY & THEME SETTINGS
   Follows ARIA 1.2 authoring practices & Material Design 3 patterns
   ════════════════════════════════════════════════════════════════════════════════════════════════ */

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--s3);
    margin-left: auto;
}

/* Accessibility Menu Container */
.accessibility-menu {
    position: relative;
}



/* Theme Dropdown Container */
.theme-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 240px;
    background: var(--md-surface);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-md);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    z-index: 1000;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: dropdownSlideIn var(--md-duration-medium) var(--md-easing);
}

.theme-dropdown[hidden] {
    display: none;
}

@keyframes dropdownSlideIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Dropdown Header */
.dropdown-header {
    display: flex;
    align-items: center;
    gap: var(--s3);
    padding: var(--s4);
    color: var(--md-on-surface);
}

.dropdown-header .material-symbols-rounded {
    font-size: 1.25rem;
    color: var(--md-primary);
}

.dropdown-title {
    font-size: 0.875rem;
    font-weight: 600;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--md-on-surface-muted);
}

/* Dropdown Divider */
.dropdown-divider {
    height: 1px;
    background: var(--md-outline);
    margin: var(--s2) 0;
    /* Dropdown spacing: consistent with menus */
}

/* Dropdown Content */
.dropdown-content {
    display: flex;
    flex-direction: column;
    padding: var(--s2) 0;
}

/* Theme Option Buttons */
.theme-option {
    display: flex;
    align-items: center;
    gap: var(--s3);
    width: 100%;
    padding: var(--s3) var(--s4);
    background: transparent;
    border: none;
    color: var(--md-on-surface);
    cursor: pointer;
    transition: all var(--md-duration-short) var(--md-easing);
    text-align: left;
    position: relative;
}

.theme-option:hover {
    background: var(--md-primary-container);
    color: var(--md-primary);
}

.theme-option:focus {
    outline: 2px solid var(--md-primary);
    outline-offset: -2px;
}

.theme-option.active {
    background: var(--md-primary-container);
    color: var(--md-primary);
    font-weight: 600;
}

.theme-option .material-symbols-rounded {
    font-size: 1.25rem;
    flex-shrink: 1;
    /* Fixed overflow */
}

.option-label {
    flex: 1;
    font-size: 0.875rem;
    font-weight: 500;
}

.option-checkmark {
    color: var(--md-primary);
    font-weight: bold;
    font-size: var(--md-body-large);
    opacity: 0;
    transition: opacity var(--md-duration-short) var(--md-easing);
}

.theme-option.active .option-checkmark {
    opacity: 1;
}

/* Dropdown Footer */
.dropdown-footer {
    padding: var(--s3) var(--s4);
    border-top: 1px solid var(--md-outline);
    background: rgba(15, 118, 110, 0.05);
}

.accessibility-info {
    font-size: 0.75rem;
    color: var(--md-on-surface-muted);
    margin: 0;
    line-height: 1.4;
}

.accessibility-info kbd {
    background: var(--md-primary-container);
    color: var(--md-primary);
    padding: 2px 6px;
    border-radius: var(--md-corner-xs);
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.65rem;
    font-weight: 600;
    display: inline-block;
    margin: 0 2px;
}

/* Light Theme Styles */
html[data-theme="light"] {
    --md-bg: #F8FAFC;
    --md-surface: #FFFFFF;
    --md-surface-2: #F1F5F9;
    --md-surface-3: #E2E8F0;
    --md-surface-dim: #E2E8F0;
    --md-outline: rgba(51, 65, 85, 0.12);
    --md-outline-variant: rgba(51, 65, 85, 0.08);
    --md-on-bg: #0F172A;
    --md-on-surface: #1E293B;
    --md-on-surface-muted: #526373;
    --md-on-surface-faint: #75859E;
    --md-on-surface-variant: #64748B;

    /* Elevation — light mode softer shadows */
    --md-elevation-1: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
    --md-elevation-2: 0 4px 8px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.05);
    --md-elevation-3: 0 8px 24px rgba(0, 0, 0, 0.10), 0 4px 8px rgba(0, 0, 0, 0.06);

    /* Glass / Panel tokens for light mode */
    --glass-header-bg: rgba(255, 255, 255, 0.85);
    --glass-header-border: rgba(15, 23, 42, 0.08);
    --glass-nav-bg: rgba(241, 245, 249, 0.90);
    --glass-nav-border: rgba(15, 23, 42, 0.10);
    --glass-panel-bg: rgba(255, 255, 255, 0.98);
    --glass-panel-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    --glass-overlay-bg: rgba(255, 255, 255, 0.85);
    --glass-sidebar-bg: rgba(248, 250, 251, 0.98);
    --glass-modal-bg: rgba(255, 255, 255, 0.80);
    --glass-auth-bg: rgba(255, 255, 255, 0.75);
}

/* Dropdown elevation in light theme */
html[data-theme="light"] .theme-dropdown {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

/* Accessibility - High Contrast Enhancements */
@media (prefers-contrast: more) {
    .header-icon-btn {
        border: 1px solid var(--md-outline);
    }

    .header-icon-btn:hover {
        border-color: var(--md-primary);
    }

    .theme-option {
        border: 1px solid transparent;
    }

    .theme-option.active {
        border: 1px solid var(--md-primary);
    }

    .theme-dropdown {
        border: 1.5px solid var(--md-outline);
    }
}

/* Accessibility - Reduced Motion */
@media (prefers-reduced-motion: reduce) {

    .theme-dropdown,
    .header-icon-btn,
    .theme-option {
        animation: none !important;
        transition: none !important;
    }

    @keyframes dropdownSlideIn {
        from {
            opacity: 1;
            transform: translateY(0);
        }

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}

/* Responsive - Mobile adjustments */
@media (max-width: 640px) {
    .theme-dropdown {
        position: fixed;
        top: 50%;
        left: 50%;
        right: auto;
        width: 280px;
        transform: translate(-50%, -50%);
        max-height: 80vh;
        overflow-y: auto;
    }

    .header-actions {
        gap: var(--s2);
    }
}

/* ════════════════════════════════════════════════════════════════════════
   MODALS & STATUS INDICATORS
   System Status Modal, Auth Page, Status Indicators with Dynamic Content
   ════════════════════════════════════════════════════════════════════════ */

/* Auth Page - Integrated with header/footer */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--s8);
    min-height: calc(100vh - 280px);
    position: relative;
    overflow: hidden;
}

.auth-page[hidden] {
    display: none;
}

.auth-page-content {
    position: relative;
    z-index: 10;
}

/* System Status Indicator Button - Footer */
.system-status-btn {
    display: flex;
    align-items: center;
    gap: var(--s2);
    padding: var(--s2) var(--s3);
    background: var(--md-surface-2);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-md);
    color: var(--md-on-surface);
    cursor: pointer;
    transition: all var(--md-duration-short) var(--md-easing);
    font-size: var(--md-label-small);
    font-weight: 600;
}

.system-status-btn:hover {
    background: var(--md-primary-container);
    border-color: var(--md-primary);
    color: var(--md-primary);
}

.system-status-btn:focus-visible {
    outline: 2px solid var(--md-primary);
    outline-offset: 2px;
}

/* Three Status Indicator Dots (Newbie-Friendly) */
.status-indicator-dots {
    display: flex;
    gap: var(--s1);
    align-items: center;
}

.status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    transition: all var(--md-duration-short) var(--md-easing);
    box-shadow: 0 0 4px currentColor;
    background: var(--md-outline);
    animation: none;
}

.status-dot.success {
    background: var(--md-success);
    box-shadow: none;
    animation: none;
}

.status-dot.warning {
    background: var(--md-warning);
    box-shadow: none;
    animation: pulse-warning 1.5s ease-in-out infinite;
}

.status-dot.error {
    background: var(--md-error);
    box-shadow: none;
    animation: none;
}

/* System Status Modal — Smooth fade-in/out with no layout shift */
.system-status-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex !important;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: var(--s4);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease-out,
        pointer-events 0.3s ease-out;
}

.system-status-modal[hidden] {
    opacity: 0;
    pointer-events: none;
}

.system-status-modal:not([hidden]) {
    opacity: 1;
    pointer-events: auto;
}

.status-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(var(--blur-light));
    -webkit-backdrop-filter: blur(var(--blur-light));
    cursor: pointer;
}

.status-modal-content {
    position: relative;
    background: var(--md-surface);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-xl);
    box-shadow: var(--md-elevation-5);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow: auto;
    animation: modalSlideIn var(--md-duration-medium) var(--md-easing);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-40px) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.status-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--s6);
    border-bottom: 1px solid var(--md-outline);
}

.status-modal-header h2 {
    margin: 0;
    font-size: var(--md-title-large);
    color: var(--md-on-surface);
}

.status-modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    color: var(--md-on-surface);
    cursor: pointer;
    border-radius: 50%;
    transition: all var(--md-duration-short) var(--md-easing);
    padding: 0;
    font-size: 24px;
}

.status-modal-close:hover {
    background: var(--md-surface-container);
    color: var(--md-primary);
}

.status-modal-body {
    padding: var(--s6);
}

.status-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--s5);
}

.status-item-full-width {
    grid-column: 1 / -1;
}

.status-item {
    display: flex;
    flex-direction: column;
    gap: var(--s2);
    padding: var(--s4);
    background: var(--md-surface-2);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-md);
    transition: all var(--md-duration-short) var(--md-easing);
    min-height: 80px;
    justify-content: space-between;
}

.status-item:hover {
    background: var(--md-surface-container);
    border-color: var(--md-primary);
}

.status-item-label {
    font-size: var(--md-label-small);
    font-weight: 600;
    color: var(--md-on-surface-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-item-value {
    font-size: var(--md-body-medium);
    font-weight: 600;
    color: var(--md-on-surface-muted);
    font-family: 'Monaco', 'Courier New', monospace;
    display: flex;
    align-items: center;
    gap: var(--s1);
}

.status-item-value.success {
    color: var(--md-success);
}

.status-item-value.warning {
    color: var(--md-warning);
}

.status-item-value.error {
    color: var(--md-error);
}

.status-item-value.prod {
    display: inline-block;
    padding: 2px 6px;
    background: var(--md-success-bg);
    color: var(--md-success);
    border-radius: var(--md-corner-hair);
    font-size: var(--md-label-small);
    font-family: inherit;
}

/* Responsive: Tablet */
@media (max-width: 768px) {
    .status-grid {
        grid-template-columns: 1fr;
    }

    .status-modal-content {
        max-width: 100%;
        border-radius: var(--md-corner-lg);
    }

    .status-item {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        padding: var(--s3);
        min-height: auto;
    }

    .status-item-label {
        flex: 0 0 45%;
    }

    .status-item-value {
        flex: 0 0 55%;
        text-align: right;
    }

    .status-item-full-width {
        grid-column: 1 / -1;
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
    }

    .status-item-full-width .status-item-label {
        flex: 1 0 auto;
    }

    .status-item-full-width .status-item-value {
        flex: 1 0 auto;
        text-align: left;
        margin-top: var(--s2);
    }
}

/* Responsive: Mobile */
@media (max-width: 480px) {
    .status-modal-header {
        padding: var(--s4);
    }

    .status-modal-body {
        padding: var(--s4);
    }

    .status-grid {
        gap: var(--s3);
    }

    .status-item {
        padding: var(--s3);
    }

    .status-item-label {
        font-size: 11px;
    }

    .status-item-value {
        font-size: 13px;
    }

    .status-item-full-width {
        flex-direction: column;
        align-items: flex-start;
        padding: var(--s4);
    }
}

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {

    .status-dot,
    .system-status-btn,
    .status-item {
        animation: none !important;
        transition: none !important;
    }
}

/* POLICY CONTENT (Privacy/Terms modals) */
.policy-content {
    padding: var(--s8);
    overflow-y: auto;
    max-height: calc(90vh - 120px);
}

.policy-content p {
    font-size: var(--md-body-medium);
    color: var(--md-on-surface);
    margin: 0 0 var(--s4) 0;
    line-height: 1.6;
    padding: 0;
}

.policy-content p:last-child {
    margin-bottom: 0;
}

.policy-content h4 {
    font-size: var(--md-title-small);
    font-weight: 600;
    color: var(--md-on-surface);
    margin: var(--s6) 0 var(--s3) 0;
    padding: 0;
    line-height: 1.4;
}

.policy-content h4:first-child {
    margin-top: 0;
}

@media (max-width: 768px) {
    .policy-content {
        padding: var(--s6);
        max-height: calc(95vh - 100px);
    }

    .policy-content h4 {
        margin: var(--s5) 0 var(--s2) 0;
    }

    .policy-content p {
        margin: 0 0 var(--s3) 0;
    }
}

@media (max-width: 480px) {
    .policy-content {
        padding: var(--s4);
    }

    .policy-content h4 {
        font-size: var(--md-body-large);
        margin: var(--s4) 0 var(--s2) 0;
    }
}


.main-content-card {
    margin: 0 auto !important;
    width: 100% !important;
    max-width: 1400px !important;
}

/* Hard disable Sidebar */
.app-sidebar,
#app-sidebar,
#nav-toggle-btn,
.sidebar-backdrop {
    display: none !important;
}

/* Tab & Panel Fix (Stop Unmounting) */
.content-panel {
    display: none;
    margin-top: 10px;
    animation: fadeIn 0.3s ease;
}

.content-panel.active {
    display: block !important;
}

/* Master Notification overriding */
[hidden],
.notifications-panel[hidden] {
    display: none !important;
}

/* ── Elite glassmorphism MD3 Top Navbar ── */
.glass-nav {
    display: flex;
    justify-content: center;
    align-items: center;
}

.glass-nav.top-nav {
    display: flex;
    gap: var(--s2);
    background: var(--glass-nav-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-nav-border);
    box-shadow: var(--md-elevation-2);
    border-radius: var(--md-corner-full);
    padding: 6px;
    position: sticky;
    top: 10px;
    z-index: 1000;
}

/* .top-nav-link canonical definition below — see PHASE 3 block */

@media (max-width: 768px) {
    .glass-nav.top-nav {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 60px;
        left: 10px;
        right: 10px;
        border-radius: 12px;
        padding: 10px;
    }

    .glass-nav.top-nav.mobile-active {
        display: flex !important;
    }
}


/* ─────────────────────────────────────────────────────────────────
   PHASE 3: ENTERPRISE UI/UX STRUCTURAL HARMONIZATION
───────────────────────────────────────────────────────────────── */
/* 1. Global Viewport Scaling (Fixing Mobile Compression on Desktop) */
.app-container,
body:has([hidden]) .app-container {
    margin-left: 0 !important;
    padding-left: 0 !important;
    width: 100% !important;
    max-width: none !important;
}

.main-content-card {
    margin: 0 auto !important;
    width: 100% !important;
    max-width: 1400px !important;
}

/* 2. Top-Nav ONLY Constraints */
.app-sidebar,
#app-sidebar,
#nav-toggle-btn,
.sidebar-backdrop {
    display: none !important;
    visibility: hidden !important;
    width: 0 !important;
}



/* 4. Glassmorphism Aesthetics & Typography */
.glass-nav {
    display: flex;
    justify-content: center;
    align-items: center;
}

.glass-nav.top-nav {
    display: flex;
    gap: var(--s2);
    background: var(--glass-nav-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-nav-border);
    box-shadow: var(--md-elevation-2);
    border-radius: var(--md-corner-full);
    padding: 6px;
    position: sticky;
    top: 10px;
    z-index: 1000;
}

/* ── Top Nav Link — MD3 design methodology (canonical) ── */
.top-nav-link {
    display: flex;
    align-items: center;
    gap: var(--s2);
    padding: var(--s2) var(--s4);
    border-radius: var(--md-corner-full);
    color: var(--md-on-surface-muted);
    font-family: inherit;
    font-weight: 500;
    font-size: 0.875rem;
    text-decoration: none;
    transition:
        color var(--md-duration-short) var(--md-easing),
        background var(--md-duration-short) var(--md-easing),
        box-shadow var(--md-duration-short) var(--md-easing);
    position: relative;
    white-space: nowrap;
}

/* MD3 state-layer ripple */
.top-nav-link::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--md-corner-full);
    background: var(--md-primary);
    opacity: 0;
    transition: opacity var(--md-duration-short) var(--md-easing);
    pointer-events: none;
}

.top-nav-link .material-symbols-rounded {
    font-size: 1.1rem;
}

.top-nav-link:hover {
    color: var(--md-on-surface);
}

.top-nav-link:hover::after {
    opacity: 0.06;
}

/* Active page: primary-container bg + primary-light text — no glow, matches .nav-tab.active pattern */
.top-nav-link.active {
    color: var(--md-primary-light);
    background: var(--md-primary-container);
    font-weight: 600;
}

/* Notification & Toast Silencer */
[hidden],
.notifications-panel[hidden] {
    display: none !important;
}

@media (max-width: 768px) {
    .glass-nav.top-nav {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 60px;
        left: 10px;
        right: 10px;
        border-radius: 12px;
        padding: 10px;
    }

    .glass-nav.top-nav.mobile-active {
        display: flex !important;
    }
}


/* 5. Hyper-Specific Desktop Layout Overrides */
#page-audit-main:not([hidden]),
#page-dashboard:not([hidden]) {
    width: 100% !important;
    max-width: 1400px !important;
    margin: 0 auto !important;
}

/* Ensure parents of the main card scale fully out */
.app-container,
body:has([hidden]) .app-container {
    align-items: stretch !important;
}


/* 6. Tablet Overflow Prevention */
.header-top .header-search {
    flex-shrink: 1 !important;
    min-width: 0 !important;
    width: 100% !important;
}

.header-top {
    flex-wrap: wrap !important;
    overflow: hidden !important;
}

/* 7. Audit Dashboard Responsive Layout */
.audit-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
}

@media (min-width: 768px) {
    .audit-container {
        flex-direction: row;
        gap: 32px;
    }
}

/* ── CSP Compliance: Inline-style replacements ────────────────────────────── */
/* These replace JS .style.* assignments in script.js to satisfy strict CSP.  */

/* HITL undo toast internal elements */
.hitl-toast-msg {
    flex: 1;
}

.hitl-toast-timer {
    font-size: 0.75rem;
    color: var(--md-on-surface-muted);
    font-weight: 600;
    min-width: 40px;
    text-align: right;
}

.hitl-toast-undo-btn {
    padding: var(--s2) var(--s3);
    font-size: 0.75rem;
    white-space: nowrap;
    margin-left: var(--s2);
}

/* Global search result panel */
.search-results-loading {
    padding: var(--s4);
    text-align: center;
    color: var(--md-on-surface-variant);
}

.search-suggest-wrapper {
    padding: var(--s3);
}

.search-suggest-label {
    font-size: var(--font-size-xs);
    color: var(--md-on-surface-variant);
    margin: 0 0 var(--s2) 0;
}

.search-suggest-item {
    cursor: pointer;
    padding: var(--s2);
    border-radius: 8px;
    background: var(--md-surface-2);
    margin-bottom: var(--s1);
    color: var(--md-on-surface);
    transition: background var(--md-duration-short) ease;
}

.search-suggest-item:hover {
    background: var(--md-surface-3);
}

/* JS-toggled opacity states (replaces .style.opacity assignments) */
.opacity-50 {
    opacity: 0.5;
}

.opacity-70 {
    opacity: 0.7;
}

/* ════════════════════════════════════════════════════════════════════════
   GLOBAL PAGE LAYOUT — Extracted from Knowledge Base Reference
   ════════════════════════════════════════════════════════════════════════ */

.page-header-content {
    padding: var(--s6) var(--s8);
    border-bottom: 1px solid var(--md-outline);
    display: flex;
    align-items: center;
    gap: var(--s6);
    background: var(--md-surface-1);
}

.page-title {
    margin: 0;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--md-on-bg);
    letter-spacing: -0.02em;
}

/* Tab-navigation and nav-tab unified — see primary definition above */

/* ════════════════════════════════════════════════════════════════════════
   KNOWLEDGE BASE PAGE
   ════════════════════════════════════════════════════════════════════════ */

.kb-page-icon {
    font-size: 2rem;
    color: var(--md-primary);
}

.kb-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: var(--s4);
}

.kb-title-group {
    display: flex;
    align-items: center;
    gap: var(--s4);
}

.kb-subtitle {
    color: var(--md-on-surface-muted);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

.kb-upload-section {
    margin-bottom: 2rem;
}

.upload-card {
    background: var(--md-surface-2);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-xl);
    padding: var(--s6);
}

.upload-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--s4);
}

.upload-card-header h3 {
    margin: 0;
    font-size: 1.1rem;
}

.close-btn {
    background: var(--md-surface-3);
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--md-on-surface-muted);
    transition: all var(--md-duration-short) var(--md-easing);
}

.close-btn:hover {
    background: var(--md-outline);
    color: var(--md-on-surface);
}

.documents-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--s6);
}

.documents-header h3 {
    margin: 0;
    font-size: 1.2rem;
}

.documents-stats {
    color: var(--md-on-surface-muted);
    font-size: 0.9rem;
}

.documents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--s6);
}

.doc-card {
    background: var(--md-surface-2);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-lg);
    padding: var(--s6);
    transition:
        border-color var(--md-duration-short) var(--md-easing),
        box-shadow var(--md-duration-short) var(--md-easing),
        transform var(--md-duration-short) var(--md-easing);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

/* Doc card 3px top-bar accent — matching audit kpi-card pattern */
.doc-card::before {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 3px;
    background: var(--md-outline);
    transition: background var(--md-duration-medium) var(--md-easing);
}

.doc-card:hover {
    border-color: var(--md-primary);
    transform: translateY(-2px);
    box-shadow: var(--md-elevation-2);
}

.doc-card:hover::before {
    background: var(--md-primary);
}

.doc-card-header {
    display: flex;
    align-items: flex-start;
    gap: var(--s4);
    margin-bottom: var(--s4);
}

.doc-icon {
    font-size: 2.5rem;
    color: var(--md-primary);
}

.doc-info {
    flex: 1;
}

.doc-name {
    font-weight: 600;
    margin: 0 0 0.25rem 0;
    word-break: break-word;
}

.doc-meta {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.85rem;
    color: var(--md-on-surface-muted);
}

.doc-status {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--md-corner-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.doc-status.indexed {
    background: var(--md-success-bg);
    color: var(--md-success);
}

.doc-status.indexing {
    background: rgba(59, 130, 246, 0.15);
    color: #93c5fd;
}

.doc-status.failed {
    background: var(--md-error-bg);
    color: var(--md-error);
}

.doc-actions {
    display: flex;
    gap: var(--s2);
    margin-top: var(--s4);
    padding-top: var(--s4);
    border-top: 1px solid var(--md-outline);
}

.doc-action-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--s2);
    padding: var(--s2);
    background: var(--md-surface-3);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-md);
    color: var(--md-on-surface-muted);
    cursor: pointer;
    transition: all var(--md-duration-short) var(--md-easing);
    font-size: 0.85rem;
}

.doc-action-btn:hover {
    background: var(--md-surface-2);
    border-color: var(--md-primary);
    color: var(--md-primary-light);
}

/* Knowledge Base Specific Styles */
/* nav-tab.active unified — see primary definition above */

.upload-dropzone.drag-over {
    border-color: var(--md-primary-light);
    background: var(--md-primary-container);
    transform: scale(1.02);
}

.file-chip {
    background: var(--md-surface-3);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-sm);
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    animation: slideInUp 0.3s var(--md-easing);
}

.file-name {
    flex: 1;
    font-size: 0.9rem;
    color: var(--md-on-surface);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chip-remove {
    background: none;
    border: none;
    color: var(--md-on-surface-faint);
    cursor: pointer;
    font-size: 1.2rem;
    line-height: 1;
    padding: 0 4px;
}

.chip-remove:hover {
    color: var(--md-error);
}

.doc-card {
    background: var(--md-surface);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-lg);
    padding: 16px;
    transition:
        border-color var(--md-duration-short) var(--md-easing),
        box-shadow var(--md-duration-short) var(--md-easing),
        transform var(--md-duration-short) var(--md-easing);
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: relative;
    overflow: hidden;
}

.doc-card:hover {
    transform: translateY(-2px);
    border-color: var(--md-primary);
    box-shadow: var(--md-elevation-2);
}

.doc-card.indexing {
    border-color: var(--md-primary-light);
}

.doc-card.failed {
    border-color: var(--md-error-light);
}

.doc-card-header {
    display: flex;
    gap: 12px;
    align-items: center;
}

.doc-icon {
    color: var(--md-primary-light);
    font-size: 1.5rem;
    width: 1.5rem;
    height: 1.5rem;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.doc-info {
    flex: 1;
}

.doc-name {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
    color: var(--md-on-surface);
}

.doc-meta {
    font-size: 0.8rem;
    color: var(--md-on-surface-faint);
    display: flex;
    gap: 12px;
    margin-top: 4px;
}

.doc-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    padding: 4px 10px;
    border-radius: var(--md-corner-full);
    width: fit-content;
}

.doc-status.indexed {
    background: var(--md-success-bg);
    color: var(--md-success-light);
}

.doc-status.indexing,
.doc-status.pending {
    background: var(--md-primary-container);
    color: var(--md-primary-light);
}

.doc-status.failed {
    background: var(--md-error-bg);
    color: var(--md-error-light);
}

.doc-status-details {
    margin-top: 4px;
    padding: 10px 12px;
    border-radius: var(--md-corner-sm);
    border: 1px solid var(--md-outline);
    background: color-mix(in srgb, var(--md-surface-2) 86%, transparent);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.doc-status-details p {
    margin: 0;
    font-size: 0.82rem;
    color: var(--md-on-surface-muted);
    line-height: 1.35;
}

.doc-status-details strong {
    color: var(--md-on-surface);
    font-weight: 600;
}

.rotate {
    animation: rotate 2s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.doc-actions {
    display: flex;
    gap: 8px;
    margin-top: auto;
}

.doc-action-btn {
    padding: 6px 12px;
    border-radius: var(--md-corner-sm);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--md-surface-2);
    border: 1px solid var(--md-outline);
    color: var(--md-on-surface);
}

.doc-action-btn:hover {
    background: var(--md-surface-3);
}

.doc-action-btn.delete-btn {
    margin-left: auto;
    color: var(--md-error-light);
    border-color: rgba(220, 38, 38, 0.2);
}

.doc-action-btn.delete-btn:hover {
    background: var(--md-error-bg);
}

/* ════════════════════════════════════════════════════════════════════════
   AGENT PROFILES MODULE — Modern, Performant, MD3-Compliant
   ════════════════════════════════════════════════════════════════════════ */

.agents-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--s6);
    flex-wrap: wrap;
    gap: var(--s4);
}

.agents-title-group {
    display: flex;
    align-items: center;
    gap: var(--s4);
}

.agents-controls {
    display: flex;
    align-items: center;
    gap: var(--s3);
    flex-wrap: wrap;
}

.agents-search-wrapper {
    position: relative;
    max-width: 300px;
}

.agents-search-wrapper .material-symbols-rounded {
    position: absolute;
    left: var(--s3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--md-on-surface-muted);
}

.agent-search-input {
    padding: var(--s2) var(--s4) var(--s2) var(--s10);
    background: var(--md-surface-2);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-full);
    color: var(--md-on-surface);
    font-size: 0.875rem;
    width: 100%;
    transition: all var(--md-duration-short) var(--md-easing);
}

.agent-search-input:focus {
    outline: none;
    border-color: var(--md-primary);
    background: var(--md-surface);
    box-shadow: 0 0 0 3px var(--md-primary-container);
}


.agents-stats-bar {
    display: flex;
    gap: var(--s4);
    flex-wrap: wrap;
}

.stat-pill {
    background: var(--md-surface-dim);
    border: 1px solid var(--md-outline-variant);
    border-radius: var(--md-corner-full);
    padding: var(--s2) var(--s4);
    display: flex;
    align-items: center;
    gap: var(--s2);
    font-size: 0.85rem;
}

.stat-pill-label {
    color: var(--md-on-surface-muted);
    font-weight: 500;
}

.stat-pill-value {
    color: var(--md-on-surface);
    font-weight: 700;
}

.stat-improving {
    color: var(--md-success-light) !important;
}

.stat-declining {
    color: var(--md-error-light) !important;
}

/* ── Agents Grid ── */
.agents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--s6);
}

.agent-card {
    background: var(--md-surface);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-lg);
    padding: var(--s6);
    transition: all var(--md-duration-short) var(--md-easing);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.agent-card:hover {
    transform: translateY(-2px);
    border-color: var(--md-primary);
    box-shadow: var(--md-elevation-2);
}

.agent-card-header {
    display: flex;
    align-items: center;
    gap: var(--s4);
    margin-bottom: var(--s4);
}

.agent-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--md-corner-md);
    background: var(--md-primary-container);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--md-primary-light);
}

.agent-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--md-on-surface);
    margin: 0;
}

.agent-meta {
    font-size: 0.8rem;
    color: var(--md-on-surface-faint);
}

.agent-stats {
    display: flex;
    flex-direction: column;
    gap: var(--s3);
    margin-top: var(--s4);
}

.agent-stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.agent-stat-label {
    font-size: 0.8rem;
    color: var(--md-on-surface-muted);
}

.agent-stat-value {
    font-size: 0.9rem;
    font-weight: 600;
}

/* ── Detail View ── */
.detail-header {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    margin-bottom: var(--s8);
    gap: var(--s4);
    width: 100%;
}

/* Keep agent info flexible and allow text truncation when space is limited */
.detail-agent-info {
    display: flex;
    align-items: center;
    gap: var(--s6);
    min-width: 0; /* allow this block to shrink */
}

.detail-agent-info > div {
    min-width: 0;
    overflow: hidden;
}

.detail-agent-name {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin: 0;
}

/* Actions row below the agent info: keep buttons inline on one line */
.detail-actions {
    display: flex;
    gap: var(--s3);
    justify-content: flex-end;
    align-items: center;
}

.detail-actions .btn-primary,
.detail-actions .btn-secondary {
    width: auto;
    min-width: 96px;
    padding: var(--s2) var(--s4);
}

.back-to-list-btn {
    padding: var(--s2) var(--s4);
    display: inline-flex;
    align-items: center;
    gap: var(--s2);
    font-size: 0.875rem;
}

/* Mobile fallback: allow wrapping and stack the actions on narrow screens */
@media (max-width: 640px) {
    .detail-header {
        gap: var(--s3);
    }

    .detail-actions {
        justify-content: flex-start;
        flex-wrap: wrap;
    }

    .detail-actions .btn-primary,
    .detail-actions .btn-secondary {
        flex: 0 1 48%;
    }
}

.detail-agent-avatar {
    width: 80px;
    height: 80px;
    font-size: 2.5rem;
}

/* Mobile fallback: allow wrapping on narrow screens so layout doesn't overflow */
@media (max-width: 640px) {
    .detail-header {
        flex-wrap: wrap;
        align-items: flex-start;
        gap: var(--s3);
    }

    .detail-agent-info {
        width: 100%;
        order: 1;
    }

    .detail-header .back-to-list-btn,
    .detail-header #reindex-agent-btn {
        order: 2;
        width: auto;
    }

    .detail-agent-name {
        white-space: normal;
        text-overflow: initial;
    }
}

.detail-agent-name {
    font-size: 2rem;
    font-weight: 800;
    margin: 0;
    color: var(--md-on-bg);
}

.agent-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--s4);
    margin-bottom: var(--s8);
}

.detail-stat-card {
    background: var(--md-surface-2);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-lg);
    padding: var(--s5);
    display: flex;
    align-items: center;
    gap: var(--s4);
    position: relative;
    overflow: hidden;
    transition:
        border-color var(--md-duration-short) var(--md-easing),
        box-shadow var(--md-duration-short) var(--md-easing),
        transform var(--md-duration-short) var(--md-easing);
}

/* Detail stat card 3px top-bar accent — same pattern as kpi-card */
.detail-stat-card::before {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 3px;
    background: var(--md-primary);
    opacity: 0.4;
    transition: opacity var(--md-duration-medium) var(--md-easing);
}

.detail-stat-card:hover::before {
    opacity: 1;
}

/* Alias: HTML uses detail-stats-grid, CSS defines agent-stats-grid */
.detail-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--s4);
    margin-bottom: var(--s8);
}

.detail-stat-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--md-corner-md);
    background: var(--md-primary-container);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--md-primary-light);
    flex-shrink: 0;
    transition: all var(--md-duration-short) var(--md-easing);
}

/* Alias: HTML uses agent-avatar-large, CSS only had detail-agent-avatar */
.agent-avatar-large {
    width: 72px;
    height: 72px;
    border-radius: var(--md-corner-lg);
    background: var(--md-primary-container);
    border: 2px solid rgba(15, 118, 110, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--md-primary-light);
    flex-shrink: 0;
}

.agent-avatar-large .material-symbols-rounded {
    font-size: 2.5rem;
}

.detail-stat-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--md-on-surface-muted);
}

.detail-stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--md-on-bg);
}

.detail-charts-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: var(--s6);
    margin-bottom: var(--s8);
}

.chart-card {
    background: var(--md-surface);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-lg);
    padding: var(--s6);
    min-height: 400px;
    position: relative;
    overflow: hidden;
    transition:
        border-color var(--md-duration-short) var(--md-easing),
        box-shadow var(--md-duration-short) var(--md-easing),
        transform var(--md-duration-short) var(--md-easing);
}

/* chart-card h3 uses viz-card-header design pattern */
.chart-card h3 {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--md-on-surface-muted);
    text-transform: uppercase;
    letter-spacing: 0.07em;
    margin: 0 0 var(--s4) 0;
    padding-bottom: var(--s3);
    border-bottom: 1px solid var(--md-outline-variant);
    display: flex;
    align-items: center;
    gap: var(--s2);
}

.score-history-table {
    background: var(--md-surface);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-lg);
    overflow: hidden;
}

.audit-history-table {
    width: 100%;
    border-collapse: collapse;
}

.audit-history-table th {
    text-align: left;
    padding: var(--s4);
    background: var(--md-surface-2);
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--md-on-surface-muted);
    font-weight: 700;
}

.audit-history-table td {
    padding: var(--s4);
    border-bottom: 1px solid var(--md-outline-variant);
    font-size: 0.875rem;
}

.audit-history-table tr:last-child td {
    border-bottom: none;
}

.audit-history-table tr:hover {
    background: rgba(15, 118, 110, 0.04);
}

@media (max-width: 1024px) {
    .detail-charts-grid {
        grid-template-columns: 1fr;
    }
}

/* ════════════════════════════════════════════════════════════════════════
   DESIGN ALIGNMENT — KB Design Language Applied Globally
   Hover lift, border-color shift, shadow elevation — consistent with KB
   ════════════════════════════════════════════════════════════════════════ */

/* ── Dashboard: Activity Feed Items ── */
.activity-item,
.activity-item,
.audit-activity-item {
    background: var(--md-surface-2);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-lg);
    padding: var(--s4) var(--s5);
    display: flex;
    align-items: center;
    gap: var(--s4);
    transition: all var(--md-duration-short) var(--md-easing);
    cursor: default;
    position: relative;
    overflow: hidden;
    width: 100%;
}

.activity-item:hover,
.audit-activity-item:hover {
    transform: translateY(-2px);
    border-color: var(--md-primary);
    box-shadow: var(--md-elevation-2);
    background: var(--md-surface-3);
}

.activity-item .activity-icon,
.audit-activity-item .activity-icon {
    width: 36px;
    height: 36px;
    min-width: 36px;
    border-radius: var(--md-corner-md);
    background: var(--md-primary-container);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--md-primary-light);
    font-size: 1.1rem;
    transition: background var(--md-duration-short) var(--md-easing);
}

.activity-item:hover .activity-icon,
.audit-activity-item:hover .activity-icon {
    background: var(--md-primary);
    color: var(--md-on-primary);
}

.activity-item .activity-title,
.audit-activity-item .activity-label {
    font-size: var(--md-body-medium);
    font-weight: 600;
    color: var(--md-on-surface);
    margin: 0 0 var(--s1) 0;
}

.activity-item .activity-meta,
.audit-activity-item .activity-time,
.audit-activity-item .activity-score {
    font-size: var(--md-label-small);
    color: var(--md-on-surface-muted);
}

/* ── Notification Panel: Item Hover ── */
.notification-item {
    display: flex;
    align-items: center;
    gap: var(--s3);
    padding: var(--s3) var(--s4);
    transition: background var(--md-duration-short) var(--md-easing),
        border-left-color var(--md-duration-short) var(--md-easing);
    border-left: 2px solid transparent;
    cursor: default;
}

.notification-item:hover {
    background: var(--md-surface-dim);
    border-left-color: var(--md-primary);
}

.notification-item.acknowledged {
    opacity: 0.45;
}

/* Notification Acknowledge Button — CSS class instead of inline styles */
.notification-ack-btn {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--md-surface-dim);
    border: 1px solid var(--md-outline);
    border-radius: 50%;
    color: var(--md-on-surface-muted);
    cursor: pointer;
    transition: all var(--md-duration-short) var(--md-easing);
}

.notification-ack-btn:hover {
    background: var(--md-primary-container);
    border-color: var(--md-primary);
    color: var(--md-primary-light);
    transform: scale(1.1);
}

.notification-ack-btn .material-symbols-rounded {
    font-size: 16px;
}

/* ── Agent Detail Stat Cards: Hover Lift ── */
.detail-stat-card {
    transition: all var(--md-duration-short) var(--md-easing);
    cursor: default;
}

.detail-stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--md-primary);
    box-shadow: var(--md-elevation-2);
    background: var(--md-surface-3);
}

.detail-stat-card:hover .detail-stat-icon {
    background: var(--md-primary);
    color: var(--md-on-primary);
}

.detail-stat-icon {
    transition: all var(--md-duration-short) var(--md-easing);
}

/* ── Stat Pills: Hover State ── */
.stat-pill {
    transition: all var(--md-duration-short) var(--md-easing);
    cursor: default;
}

.stat-pill:hover {
    background: var(--md-surface-2);
    border-color: var(--md-primary);
    transform: translateY(-1px);
}

/* ── Chart Cards: Hover Polish ── */
.chart-card {
    transition: all var(--md-duration-short) var(--md-easing);
}

.chart-card:hover {
    border-color: var(--md-primary);
    transform: translateY(-1px);
    box-shadow: var(--md-elevation-2);
}

.chart-card h3 {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--md-on-surface-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin: 0 0 var(--s4) 0;
    padding-bottom: var(--s3);
    border-bottom: 1px solid var(--md-outline-variant);
}

/* ── Audit History Table: Row Hover Polish ── */
.audit-history-table tr:hover {
    background: rgba(15, 118, 110, 0.04);
}

.audit-history-table th {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    color: var(--md-on-surface-muted);
    text-transform: uppercase;
}

/* ── Agent Card: Left Accent on Hover ── */
.agent-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--md-primary);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform var(--md-duration-short) var(--md-easing);
}

.agent-card:hover::before {
    transform: scaleY(1);
}

.agent-card:hover .agent-avatar {
    background: var(--md-primary);
    color: var(--md-on-primary);
}

.agent-avatar {
    transition: all var(--md-duration-short) var(--md-easing);
}

/* ── Dashboard Header: KB-aligned section divider ── */
.dashboard-header {
    padding-bottom: var(--s5);
    margin-bottom: var(--s6);
}

.dashboard-header h2 {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--md-on-bg);
    margin: 0;
}

/* ── Consistent body font size normalization ── */
.kb-subtitle,
.dashboard-subtitle,
.activity-meta {
    font-size: 0.875rem;
    color: var(--md-on-surface-muted);
    margin: var(--s1) 0 0 0;
}

/* ── btn-primary in content panels: not full-width by default ── */
.content-panel .btn-primary,
.content-panel .btn-secondary {
    width: 100%;
}

/* Exception: KB upload button stays full-width */
#process-upload-btn {
    width: 100%;
}

/* ════════════════════════════════════════════════════════════════════════
   ORIGINAL AUDIT DESIGN METHODOLOGY — Applied Globally
   Patterns extracted from original audit CSS (commit e639c26):
   detail-label, field-label, viz-card-header, section-heading, card accents
   ════════════════════════════════════════════════════════════════════════ */

/* ── detail-label: Reusable uppercase section header with icon tint ── */
/* Used in audit results, agents, dashboard sections */
.detail-label {
    display: flex;
    align-items: center;
    gap: var(--s2);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--md-on-surface-muted);
    margin-bottom: var(--s2);
}

.detail-label .material-symbols-rounded {
    font-size: 1rem;
    color: var(--md-primary-light);
}

/* ── field-label: Form section uppercase label ── */
.field-label {
    display: flex;
    align-items: center;
    gap: var(--s2);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--md-on-surface-muted);
    margin-bottom: var(--s2);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.field-label .material-symbols-rounded {
    font-size: 1rem;
}

/* ── section-heading: Card interior heading with icon ── */
.section-heading {
    display: flex;
    align-items: center;
    gap: var(--s2);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--md-on-surface-muted);
}

.section-heading .material-symbols-rounded {
    font-size: 1rem;
    color: var(--md-primary-light);
}

/* ── viz-card-header: Card top divider bar for chart/viz sections ── */
.viz-card-header,
.chart-card-header {
    display: flex;
    align-items: center;
    gap: var(--s2);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--md-on-surface-muted);
    margin-bottom: var(--s3);
    padding-bottom: var(--s3);
    border-bottom: 1px solid var(--md-outline-variant);
}

.viz-card-header .material-symbols-rounded,
.chart-card-header .material-symbols-rounded {
    font-size: 1rem;
    color: var(--md-primary-light);
}

/* ── highlight: inline text accent (from original dropzone/label) ── */
.highlight {
    color: var(--md-primary-light);
    font-weight: 600;
}

/* [Glow values defined inline above in dedicated hover blocks] */

/* ── Score History Table: section heading alignment ── */
.score-history-section h3 {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--md-on-surface-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin: 0 0 var(--s4) 0;
}

/* ── Responsive: Mobile tab adjustments ── */
@media (max-width: 640px) {
    .tab-navigation {
        padding: var(--s2) var(--s3);
        gap: var(--s1);
    }

    .nav-tab {
        padding: var(--s2) var(--s3);
        font-size: 0.8rem;
    }

    .nav-tab span:not(.material-symbols-rounded) {
        display: none;
    }
}