src/style.css

@import "./generated/tokens.css";
@import "./themes/anti-ai-themes.css";

/* Theme Contract (Alternative opt-in themes — light / alt accents) */
body[data-theme="light"] {
  color-scheme: light;
  --color-brand-background: var(--color-primitive-neutral-100);
  --color-brand-surface: oklch(from var(--color-primitive-neutral-50) l c h / 0.85);
  --color-brand-primary: oklch(0.52 0.22 260);
  --color-brand-secondary: oklch(0.60 0.20 330);
  --color-brand-primary-dark: color-mix(in oklch, var(--color-brand-primary), oklch(0 0 0) 15%);
  --color-brand-secondary-dark: color-mix(in oklch, var(--color-brand-secondary), oklch(0 0 0) 15%);
  --color-neutral-100: var(--color-primitive-neutral-900);
  --color-neutral-200: var(--color-primitive-neutral-800);
  --color-text-muted: var(--color-neutral-600);
}

body[data-theme="alt"] {
  color-scheme: dark;
  --color-brand-primary: oklch(0.65 0.20 175);
  --color-brand-secondary: oklch(0.70 0.22 140);
  --color-brand-primary-dark: color-mix(in oklch, var(--color-brand-primary), oklch(0 0 0) 15%);
  --color-brand-secondary-dark: color-mix(in oklch, var(--color-brand-secondary), oklch(0 0 0) 15%);
}

/* Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-body);
  background-color: var(--color-brand-background);
  color: var(--color-neutral-100);
  overflow: hidden;
  width: 100vw;
  height: 100vh;
  user-select: none;
}

#app {
  width: 100%;
  height: 100%;
  position: relative;
}

canvas {
  display: block;
}

/* Glassmorphism Panel Component */
.app-panel {
  background: var(--color-brand-surface);
  backdrop-filter: blur(calc(16px * (1 - var(--theme-flat-panels))));
  -webkit-backdrop-filter: blur(calc(16px * (1 - var(--theme-flat-panels))));
  border: var(--theme-border-width) solid var(--color-brand-border);
  box-shadow: var(--shadow-glass);
  border-radius: var(--radius-lg);
  color: var(--color-neutral-200);
  text-transform: var(--theme-text-transform);
  transition: border-color var(--motion-fast) var(--motion-easing-standard),
              box-shadow var(--motion-fast) var(--motion-easing-standard);
}

.app-panel:hover {
  border-color: var(--color-brand-border-glow);
  box-shadow: 0 8px 32px 0 oklch(from var(--color-brand-primary) l c h / 0.15);
}

/* Sidebar Specific Layout */
.app-sidebar {
  position: fixed;
  top: 20px;
  left: 20px;
  bottom: 20px;
  width: 320px;
  display: flex;
  flex-direction: column;
  padding: var(--spacing-lg);
  z-index: 1000;
  overflow-y: auto;
  gap: var(--spacing-lg);
}

/* Custom Scrollbars */
.app-sidebar::-webkit-scrollbar,
.custom-scrollbar::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

.app-sidebar::-webkit-scrollbar-track,
.custom-scrollbar::-webkit-scrollbar-track {
  background: transparent;
}

.app-sidebar::-webkit-scrollbar-thumb,
.custom-scrollbar::-webkit-scrollbar-thumb {
  background: oklch(from var(--color-neutral-50) l c h / 0.1);
  border-radius: var(--radius-full);
}

.app-sidebar::-webkit-scrollbar-thumb:hover,
.custom-scrollbar::-webkit-scrollbar-thumb:hover {
  background: oklch(from var(--color-neutral-50) l c h / 0.25);
}

/* HUD / Coordinates Panel */
#hud {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  z-index: 999;
  font-family: var(--font-mono);
  font-size: var(--font-size-small);
  min-width: 220px;
  pointer-events: none;
}

#coords, #intensity {
  padding: var(--spacing-xs) 0;
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid oklch(from var(--color-neutral-50) l c h / 0.05);
}

#intensity {
  border-bottom: none;
}

/* Section Containers */
.section-card {
  border-bottom: 1px solid oklch(from var(--color-neutral-50) l c h / 0.05);
  padding-bottom: var(--spacing-md);
}

.section-card:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}

.section-title {
  font-size: var(--font-size-small);
  font-weight: 700;
  color: var(--color-neutral-400);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--spacing-sm);
}

/* Forms & Inputs */
.input-group {
  display: flex;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
}

.input-field {
  flex: 1;
  background: oklch(from var(--color-neutral-50) l c h / 0.04);
  border: var(--theme-border-width) solid oklch(from var(--color-neutral-50) l c h / 0.08);
  border-radius: var(--radius-md);
  color: var(--color-neutral-50);
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-sans);
  font-size: var(--font-size-body);
  text-transform: var(--theme-text-transform);
  transition: all var(--motion-fast) var(--motion-easing-standard);
  outline: none;
}

.input-field:focus {
  background: oklch(from var(--color-neutral-50) l c h / 0.08);
  border-color: var(--color-brand-primary);
  box-shadow: 0 0 0 2px oklch(from var(--color-brand-primary) l c h / 0.2);
}

.input-field::placeholder {
  color: var(--color-neutral-600);
}

/* Primary/Secondary Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: var(--font-size-body);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm) var(--spacing-lg);
  min-height: 36px;
  text-transform: var(--theme-text-transform);
  transition: all var(--motion-fast) var(--motion-easing-spring);
  text-align: center;
  outline: none;
}

.btn:active {
  transform: scale(0.97);
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--color-brand-primary) 0%, var(--color-brand-primary-dark) 100%);
  color: white;
  box-shadow: 0 2px 8px oklch(from var(--color-brand-primary) l c h / 0.3);
}

.btn-primary:hover {
  box-shadow: 0 4px 12px oklch(from var(--color-brand-primary) l c h / 0.45);
  transform: translateY(-1px);
}

.btn-secondary {
  background: oklch(from var(--color-neutral-50) l c h / 0.08);
  color: var(--color-neutral-200);
  border: var(--theme-border-width) solid oklch(from var(--color-neutral-50) l c h / 0.1);
}

.btn-secondary:hover {
  background: oklch(from var(--color-neutral-50) l c h / 0.12);
  color: white;
  border-color: oklch(from var(--color-neutral-50) l c h / 0.2);
  transform: translateY(-1px);
}

.btn-danger {
  background: oklch(from var(--color-semantic-error) l c h / 0.15);
  color: var(--color-semantic-error);
  border: 1px solid oklch(from var(--color-semantic-error) l c h / 0.2);
}

.btn-danger:hover {
  background: oklch(from var(--color-semantic-error) l c h / 0.25);
  border-color: var(--color-semantic-error);
  transform: translateY(-1px);
}

.btn-accent {
  background: linear-gradient(135deg, var(--color-brand-secondary) 0%, var(--color-brand-secondary-dark) 100%);
  color: white;
  box-shadow: 0 2px 8px oklch(from var(--color-brand-secondary) l c h / 0.3);
}

.btn-accent:hover {
  box-shadow: 0 4px 12px oklch(from var(--color-brand-secondary) l c h / 0.45);
  transform: translateY(-1px);
}

.btn-square {
  padding: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Range Input / Sliders styling */
input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  background: transparent;
  outline: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-runnable-track {
  width: 100%;
  height: 4px;
  background: oklch(from var(--color-neutral-50) l c h / 0.15);
  border-radius: var(--radius-full);
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  height: 12px;
  width: 12px;
  border-radius: var(--radius-full);
  background: white;
  margin-top: -4px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--motion-fast) var(--motion-easing-spring);
}

input[type="range"]:hover::-webkit-slider-thumb {
  transform: scale(1.2);
}

/* Custom Toggle Switch styling */
.switch {
  position: relative;
  display: inline-block;
  width: 34px;
  height: 18px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: oklch(from var(--color-neutral-50) l c h / 0.15);
  transition: background-color var(--motion-fast) var(--motion-easing-standard);
  border-radius: var(--radius-full);
}

.slider:before {
  position: absolute;
  content: "";
  height: 14px;
  width: 14px;
  left: 2px;
  bottom: 2px;
  background-color: white;
  transition: transform var(--motion-fast) var(--motion-easing-spring);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
}

input:checked + .slider {
  background-color: var(--color-brand-primary);
}

input:focus-visible + .slider {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 2px;
}

input:checked + .slider:before {
  transform: translateX(16px);
}

/* List Component Styles */
.list-container {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm);
  background: oklch(from var(--color-neutral-50) l c h / 0.02);
  border: 1px solid oklch(from var(--color-neutral-50) l c h / 0.04);
  border-radius: var(--radius-md);
  transition: all var(--motion-fast) var(--motion-easing-standard);
}

.list-item:hover {
  background: oklch(from var(--color-neutral-50) l c h / 0.05);
  border-color: oklch(from var(--color-neutral-50) l c h / 0.08);
}

/* Specific UI elements styling */
.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-caption);
  font-weight: 700;
  text-transform: uppercase;
}

.status-dot {
  width: 6px;
  height: 6px;
  background-color: var(--color-semantic-success);
  border-radius: var(--radius-full);
  box-shadow: 0 0 8px var(--color-semantic-success);
  animation: pulse-glow 2s infinite ease-in-out;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.6; box-shadow: 0 0 4px var(--color-semantic-success); }
  50% { opacity: 1; box-shadow: 0 0 10px var(--color-semantic-success); }
}

/* Crosshair Cross */
#hud-crosshair {
  position: fixed;
  top: 50%;
  left: 50%;
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-brand-primary);
  border-radius: var(--radius-full);
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 2000;
  opacity: 0.7;
  transition: border-color var(--motion-fast) var(--motion-easing-standard),
              transform var(--motion-fast) var(--motion-easing-spring);
}

#hud-crosshair > div {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 4px;
  height: 4px;
  background-color: var(--color-brand-primary);
  border-radius: var(--radius-full);
  transform: translate(-50%, -50%);
  transition: background-color var(--motion-fast) var(--motion-easing-standard);
}

/* Modals & Dialogs System */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: oklch(from var(--color-neutral-950) l c h / 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--motion-normal) var(--motion-easing-standard);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  width: 100%;
  max-width: 400px;
  transform: scale(0.92);
  transition: transform var(--motion-normal) var(--motion-easing-spring);
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid oklch(from var(--color-neutral-50) l c h / 0.05);
  padding-bottom: var(--spacing-sm);
}

.modal-title {
  font-size: var(--font-size-h2);
  font-weight: 700;
  color: white;
}

.modal-body {
  font-size: var(--font-size-body);
  line-height: 1.6;
  color: var(--color-neutral-200);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

/* =========================================================
   PDF Ingestion Progress Bar — 3D Blanket Relief
   ========================================================= */

/* Container wrapping the full progress UI */
.pdf-ingest-progress {
  display: none;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: oklch(from var(--color-brand-primary) l c h / 0.06);
  border: 1px solid oklch(from var(--color-brand-primary) l c h / 0.2);
  border-radius: var(--radius-md);
  animation: ingest-fadein 0.25s ease;
}

.pdf-ingest-progress.active {
  display: flex;
}

@keyframes ingest-fadein {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Phase label row */
.ingest-phase-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.ingest-spinner {
  width: 12px;
  height: 12px;
  border: 2px solid oklch(from var(--color-brand-primary) l c h / 0.3);
  border-top-color: var(--color-brand-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.ingest-phase-label {
  font-size: var(--font-size-small);
  font-family: var(--font-mono);
  color: var(--color-neutral-200);
  flex: 1;
  line-height: 1.3;
}

/* Progress track */
.ingest-track {
  width: 100%;
  height: 6px;
  background: oklch(from var(--color-neutral-50) l c h / 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

/* Animated fill bar */
.ingest-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: linear-gradient(
    90deg,
    var(--color-brand-primary),
    var(--color-brand-secondary),
    var(--color-brand-primary)
  );
  background-size: 200% 100%;
  animation: shimmer 1.8s linear infinite;
  transition: width 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
  width: 0%;
}

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Percentage readout */
.ingest-pct {
  font-size: var(--font-size-caption);
  font-family: var(--font-mono);
  color: var(--color-brand-primary);
  text-align: right;
  letter-spacing: 0.04em;
}

/* Result status line (shown after completion) */
.ingest-result {
  font-size: var(--font-size-small);
  font-family: var(--font-mono);
  min-height: 14px;
}

/* Shield overlay — disables controls during ingestion */
.ingest-shield {
  position: absolute;
  inset: 0;
  background: oklch(from var(--color-neutral-950) l c h / 0.55);
  border-radius: var(--radius-md);
  z-index: 10;
  cursor: not-allowed;
  display: none;
}

.ingest-shield.active {
  display: block;
}

/* Fullscreen Inspector Overlay (Mode C) */
/* Workstation Inspector Panel (Mode C) */
.fullscreen-inspector {
  position: fixed;
  top: 20px;
  left: 360px;
  right: 20px;
  bottom: 20px;
  width: auto;
  height: auto;
  z-index: 1500;
  background: oklch(from var(--color-neutral-950) l c h / 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid oklch(from var(--color-neutral-50) l c h / 0.12);
  border-radius: var(--radius-xl, 16px);
  box-shadow: 0 16px 48px oklch(0 0 0 / 0.5), var(--shadow-glass);
  display: none;
  flex-direction: column;
  padding: 20px 24px;
  gap: 16px;
  font-family: var(--font-mono);
  opacity: 0;
  transition: opacity 0.3s ease-out, transform 0.3s ease-out;
  transform: translateY(8px) scale(0.99);
  pointer-events: none;
}

.fullscreen-inspector.show {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

@media (max-width: 1024px) {
  .fullscreen-inspector {
    left: 20px;
  }
}

.fullscreen-inspector .inspector-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  border-bottom: 1px solid oklch(from var(--color-neutral-50) l c h / 0.08);
  padding-bottom: 16px;
  position: relative;
}

.fullscreen-inspector .inspector-title-col {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.fullscreen-inspector .inspector-title {
  font-size: 16px;
  color: var(--color-brand-primary);
  font-weight: bold;
}

.fullscreen-inspector .inspector-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-right: 40px; /* leave room for close button */
}

.fullscreen-inspector .inspector-close-btn {
  position: absolute;
  top: 0px;
  right: 0px;
  font-size: 20px;
  cursor: pointer;
  color: var(--color-text-muted);
  background: none;
  border: none;
  transition: color 0.2s;
  padding: 4px;
  line-height: 1;
}

.fullscreen-inspector .inspector-close-btn:hover {
  color: var(--color-semantic-error);
}

.fullscreen-inspector .inspector-body {
  display: flex;
  flex-direction: row;
  gap: 24px;
  flex: 1;
  min-height: 0;
}

.fullscreen-inspector .inspector-left-col {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

.fullscreen-inspector .inspector-right-col {
  width: 300px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  border-left: 1px solid oklch(from var(--color-neutral-50) l c h / 0.08);
  padding-left: 20px;
  min-height: 0;
}

/* Sidebar Tabs (IBM Carbon) */
.sidebar-tabs {
  display: flex;
  gap: var(--spacing-xxs, 4px);
  padding: var(--spacing-xxs, 4px);
  background: oklch(from var(--color-neutral-950) l c h / 0.3);
  border-bottom: 1px solid var(--color-brand-border);
  margin-bottom: var(--spacing-sm, 12px);
  border-radius: var(--radius-md, 6px) var(--radius-md, 6px) 0 0;
}

.sidebar-tab-btn {
  flex: 1;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm, 4px);
  color: var(--color-neutral-400);
  padding: var(--spacing-xs, 8px) var(--spacing-sm, 12px);
  font-size: var(--font-size-caption, 11px);
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: all var(--motion-fast) var(--motion-easing-standard);
  text-align: center;
}

.sidebar-tab-btn:hover {
  color: var(--color-neutral-100);
  background: oklch(from var(--color-neutral-50) l c h / 0.05);
}

.sidebar-tab-btn.active {
  color: var(--color-brand-primary);
  background: oklch(from var(--color-brand-primary) l c h / 0.15);
  border-color: oklch(from var(--color-brand-primary) l c h / 0.3);
  font-weight: 700;
}

.sidebar-tab-btn:focus-visible {
  outline: 2px solid var(--color-brand-secondary);
  outline-offset: -2px;
}

.sidebar-tab-panel {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm, 12px);
  transition: opacity 0.25s ease-in-out;
  opacity: 0;
}

.sidebar-tab-panel.active {
  opacity: 1;
}

/* Onboarding Tour styles */
.tour-backdrop {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: oklch(from var(--color-neutral-950) l c h / 0.45);
  z-index: 9999;
  pointer-events: auto;
  transition: opacity 0.3s ease;
}

.tour-tooltip-card {
  position: absolute;
  background: var(--color-brand-surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-brand-border-glow);
  box-shadow: 0 12px 40px oklch(0 0 0 / 0.5), var(--shadow-glass);
  border-radius: var(--radius-lg, 12px);
  color: var(--color-neutral-100);
  padding: var(--spacing-md, 16px);
  width: 300px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm, 12px);
  transition: all 0.25s cubic-bezier(0.25, 0.8, 0.25, 1);
  pointer-events: auto;
}

.tour-title {
  font-family: var(--font-sans);
  font-size: var(--font-size-body, 14px);
  font-weight: 700;
  color: var(--color-brand-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tour-text {
  font-family: var(--font-sans);
  font-size: var(--font-size-small, 12px);
  color: var(--color-neutral-200);
  line-height: 1.5;
}

.tour-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 4px;
}

.tour-step-dot {
  font-size: 10px;
  color: var(--color-neutral-400);
  font-family: var(--font-mono);
}

.tour-btn-group {
  display: flex;
  gap: 6px;
}

/* Tour highlight helper */
.tour-highlight {
  position: relative;
  z-index: 10001 !important;
  box-shadow: 0 0 0 4px var(--color-brand-primary-dark), 0 0 20px oklch(from var(--color-brand-primary) l c h / 0.5) !important;
  pointer-events: auto !important;
  transition: box-shadow var(--motion-fast) var(--motion-easing-standard);
}

#hud-sidebar.tour-highlight,
#hud-crosshair.tour-highlight {
  position: fixed !important;
}

#hud-sidebar.tour-highlight,
#hud-sidebar:has(.tour-highlight) {
  z-index: 10000 !important;
}