/* Global CSS Variables & Reset */
:root {
    --bg-dark: #070a13;
    --bg-gradient: linear-gradient(135deg, #070a13 0%, #0d1223 50%, #151c36 100%);
    --bg-sidebar: rgba(13, 18, 35, 0.7);
    --glass-card: rgba(20, 27, 50, 0.45);
    --glass-border: rgba(255, 255, 255, 0.07);
    --glass-border-focus: rgba(59, 130, 246, 0.4);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --accent-green: #10b981;
    --accent-orange: #f59e0b;
    --accent-red: #ef4444;
    
    --shadow-glow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-dark);
    background-image: var(--bg-gradient);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
}

/* App Container Layout */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    max-height: 100vh;
}

/* Main Header */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 2rem;
    background: rgba(13, 18, 35, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 10;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    font-size: 2.25rem;
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 2px 8px rgba(59, 130, 246, 0.3));
}

.logo-text h1 {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo-text h1 span {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text p {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.live-telemetry {
    display: flex;
    gap: 1.5rem;
}

.telemetry-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    padding: 0.5rem 1.25rem;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 140px;
}

.telemetry-card .stat-value {
    font-family: 'Outfit', sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
}

.telemetry-card .stat-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 0.2rem;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Workspace Panels */
.workspace {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Sidebar Styling */
.sidebar {
    width: 320px;
    background: var(--bg-sidebar);
    backdrop-filter: blur(15px);
    border-right: 1px solid var(--glass-border);
    padding: 1.5rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sidebar-section h2 {
    font-size: 1.05rem;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 0.5rem;
}

/* Sidebar Sliders & Controls */
.control-group {
    margin-bottom: 1.25rem;
}

.slider-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
}

.slider-header span {
    font-family: 'Outfit', sans-serif;
    color: var(--accent-blue);
    font-weight: 600;
}

input[type="range"] {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    outline: none;
    -webkit-appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent-blue);
    cursor: pointer;
    box-shadow: 0 0 8px rgba(59, 130, 246, 0.5);
    transition: var(--transition-smooth);
}

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

.help-text {
    font-size: 0.65rem;
    color: var(--text-muted);
    display: block;
    margin-top: 0.3rem;
    line-height: 1.3;
}

/* Forms in Sidebar */
.form-group {
    margin-bottom: 0.75rem;
}

.form-group input, .form-group textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    padding: 0.6rem 0.8rem;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 0.8rem;
    outline: none;
    transition: var(--transition-smooth);
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--glass-border-focus);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.15);
}

.btn-primary {
    width: 100%;
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-purple) 100%);
    border: none;
    border-radius: 6px;
    padding: 0.65rem;
    color: var(--text-primary);
    font-family: 'Outfit', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.2);
    transition: var(--transition-smooth);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.3);
}

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

/* Document Inventory List */
.inventory-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-height: 250px;
    overflow-y: auto;
}

.empty-list-text {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
    padding: 1rem 0;
}

.doc-inventory-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    padding: 0.6rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-smooth);
}

.doc-inventory-item:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.15);
}

.doc-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    width: calc(100% - 30px);
}

.doc-info h4 {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.doc-info span {
    font-size: 0.65rem;
    color: var(--text-secondary);
}

.btn-delete {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: var(--transition-smooth);
}

.btn-delete:hover {
    color: var(--accent-red);
    background: rgba(239, 68, 68, 0.1);
}

/* Main Content Area */
.main-content {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Glass Card Base Style */
.glass-card {
    background: var(--glass-card);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    box-shadow: var(--shadow-glow);
    backdrop-filter: blur(12px);
    transition: var(--transition-smooth);
}

/* Search Console Card */
.console-section {
    padding: 1.25rem;
}

.search-box {
    display: flex;
    gap: 0.75rem;
    position: relative;
}

.search-box input {
    flex: 1;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 0.9rem 1.2rem;
    font-size: 0.95rem;
    color: var(--text-primary);
    outline: none;
    transition: var(--transition-smooth);
}

.search-box input:focus {
    border-color: var(--glass-border-focus);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.15);
}

.btn-search {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-purple) 100%);
    border: none;
    border-radius: 8px;
    padding: 0 1.75rem;
    color: var(--text-primary);
    font-family: 'Outfit', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.25);
    transition: var(--transition-smooth);
}

.btn-search:hover {
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
    transform: translateY(-1px);
}

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

/* Welcome Container */
.welcome-container {
    padding: 3rem;
    text-align: center;
    max-width: 850px;
    margin: 2rem auto;
}

.welcome-logo {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 4px 12px rgba(59, 130, 246, 0.25));
}

.welcome-container h2 {
    font-size: 1.85rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.welcome-container p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 2.5rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    text-align: left;
}

.feature-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: var(--transition-smooth);
}

.feature-item:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.04);
}

.feat-icon {
    font-size: 1.5rem;
    color: var(--accent-blue);
    margin-bottom: 0.2rem;
}

.feature-item h4 {
    font-size: 0.95rem;
    color: var(--text-primary);
}

.feature-item p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.4;
}

.quick-ingest-prompt {
    margin-top: 2.5rem;
    padding: 0.85rem;
    background: rgba(16, 185, 129, 0.06);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 6px;
    color: var(--accent-green);
    font-size: 0.8rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* Results & Telemetry Trace Section */
.results-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.trace-map-container {
    padding: 1.5rem;
}

.trace-map-container h3 {
    font-size: 1rem;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
}

/* Trace Timeline Flow Map */
.trace-timeline {
    display: flex;
    justify-content: space-between;
    align-items: center;
    overflow-x: auto;
    padding: 0.75rem 0.5rem;
}

.timeline-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    min-width: 100px;
    transition: var(--transition-smooth);
}

.timeline-step .step-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid var(--glass-border);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.15rem;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

.timeline-step span {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-align: center;
    transition: var(--transition-smooth);
}

/* Timeline Step Hover and Active States */
.timeline-step:hover .step-icon {
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--text-primary);
    transform: scale(1.05);
}

.timeline-step.active .step-icon {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: var(--text-primary);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.4);
}

.timeline-step.active span {
    color: var(--text-primary);
    font-weight: 600;
}

/* Pipeline Status States */
.timeline-step.success .step-icon {
    background: var(--accent-green);
    border-color: var(--accent-green);
    color: var(--text-primary);
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
}
.timeline-step.success span {
    color: var(--accent-green);
}

.timeline-step.warning .step-icon {
    background: var(--accent-orange);
    border-color: var(--accent-orange);
    color: var(--text-primary);
    box-shadow: 0 0 15px rgba(245, 158, 11, 0.4);
}
.timeline-step.warning span {
    color: var(--accent-orange);
}

.timeline-step.danger .step-icon {
    background: var(--accent-red);
    border-color: var(--accent-red);
    color: var(--text-primary);
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.4);
}
.timeline-step.danger span {
    color: var(--accent-red);
}

/* Connecting Line */
.timeline-line {
    flex: 1;
    height: 2px;
    background: var(--glass-border);
    margin: 0 0.5rem;
    min-width: 30px;
}

.timeline-line.active {
    background: var(--accent-blue);
}

/* Outputs Grid Layout */
.outputs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: stretch;
}

/* Answer Card */
.answer-card {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
}

.answer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 0.75rem;
    margin-bottom: 1rem;
}

.answer-header h3 {
    font-size: 1.15rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.badge {
    padding: 0.35rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-green);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-orange);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-red);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.answer-body {
    flex: 1;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-primary);
    overflow-y: auto;
    white-space: pre-line;
}

.answer-meta {
    margin-top: 1.5rem;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Details Panel Card */
.details-card {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
}

.details-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 0.75rem;
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

#details-title {
    font-size: 1.15rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-blue);
}

#details-subtitle {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.details-body {
    flex: 1;
    overflow-y: auto;
}

/* Welcome details state */
.welcome-details {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    text-align: center;
    padding: 2rem;
    gap: 1rem;
}

.welcome-details p {
    font-size: 0.85rem;
    line-height: 1.5;
}

.pulse-arrow {
    font-size: 1.5rem;
    animation: bounceUpDown 2s infinite ease-in-out;
}

/* Keyframes */
@keyframes bounceUpDown {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* Details Subpanels */
.detail-item-box {
    background: rgba(255, 255, 255, 0.015);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.detail-item-box h4 {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    display: flex;
    justify-content: space-between;
}

.detail-item-box p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Data Tables inside Details Panel */
.telemetry-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0.5rem;
    font-size: 0.75rem;
}

.telemetry-table th, .telemetry-table td {
    padding: 0.6rem 0.5rem;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.telemetry-table th {
    color: var(--text-muted);
    font-weight: 500;
}

.score-badge {
    font-family: monospace;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
}

.score-high {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-green);
}
.score-medium {
    background: rgba(245, 158, 11, 0.1);
    color: var(--accent-orange);
}
.score-low {
    background: rgba(239, 68, 68, 0.1);
    color: var(--accent-red);
}

/* NLI Chart */
.nli-charts-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
}

.nli-bar-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.nli-bar-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: capitalize;
}

.nli-bar-bg {
    width: 100%;
    height: 10px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 5px;
    overflow: hidden;
}

.nli-bar-fill {
    height: 100%;
    border-radius: 5px;
    transition: width 0.8s ease-out;
}

/* Loading animations */
.loading-dots {
    display: inline-flex;
    gap: 4px;
}

.loading-dots span {
    width: 6px;
    height: 6px;
    background: var(--text-primary);
    border-radius: 50%;
    animation: flashDot 1.4s infinite;
}

.loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.loading-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes flashDot {
    0%, 100% { opacity: 0.2; }
    50% { opacity: 1; }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}