/* ==========================================================================
   Enhanced Media Scraper - Unified App Styles
   Version: 2.0 - Clean, Modern, Mobile-First
   ========================================================================== */

/* ==========================================================================
   CSS Variables - Design Tokens
   ========================================================================== */
:root {
    /* Color Palette - Dark Theme */
    --color-bg-primary: #0a0f1a;
    --color-bg-secondary: #111827;
    --color-bg-tertiary: #1f2937;
    --color-bg-card: rgba(17, 24, 39, 0.8);
    --color-bg-card-hover: rgba(31, 41, 55, 0.9);

    /* Accent Colors */
    --color-accent-primary: #6366f1;
    --color-accent-secondary: #8b5cf6;
    --color-accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);

    /* Status Colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-info: #3b82f6;

    /* Text Colors */
    --color-text-primary: #f9fafb;
    --color-text-secondary: #9ca3af;
    --color-text-muted: #6b7280;

    /* Border & Shadow */
    --color-border: rgba(255, 255, 255, 0.1);
    --color-border-hover: rgba(255, 255, 255, 0.2);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);

    /* Layout */
    --sidebar-width: 260px;
    --sidebar-width-collapsed: 70px;
    --header-height: 60px;
    --border-radius-sm: 6px;
    --border-radius-md: 10px;
    --border-radius-lg: 16px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
}

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

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background Pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text-primary);
}

a {
    color: var(--color-accent-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent-secondary);
}

/* ==========================================================================
   Main Layout Structure
   ========================================================================== */
.main-container {
    display: flex;
    min-height: 100vh;
}

/* ==========================================================================
   Sidebar Navigation
   ========================================================================== */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--color-bg-secondary);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: transform var(--transition-normal), width var(--transition-normal);
}

.sidebar-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-text-primary);
    text-decoration: none;
}

.sidebar-logo i {
    font-size: 1.5rem;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-logo h1 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin: 0;
    white-space: nowrap;
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0;
    overflow-y: auto;
}

.nav-section {
    margin-bottom: 1.5rem;
}

.nav-section-title {
    padding: 0 1.5rem 0.5rem;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
    cursor: pointer;
}

.nav-item:hover {
    color: var(--color-text-primary);
    background: rgba(99, 102, 241, 0.1);
}

.nav-item.active {
    color: var(--color-accent-primary);
    background: rgba(99, 102, 241, 0.15);
    border-left-color: var(--color-accent-primary);
}

.nav-item .icon {
    width: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

/* Mobile Sidebar Toggle */
.sidebar-toggle {
    display: none;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 1100;
    width: 44px;
    height: 44px;
    background: var(--color-accent-gradient);
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-fast);
}

.sidebar-toggle:hover {
    transform: scale(1.05);
}

.sidebar-toggle:active {
    transform: scale(0.95);
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.sidebar-overlay.show {
    display: block;
    opacity: 1;
}

/* ==========================================================================
   Content Area
   ========================================================================== */
.content-area {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-height: 100vh;
    padding: 1.5rem 2rem;
    transition: margin-left var(--transition-normal);
}

/* Content Sections */
.content-section {
    display: none !important;
    animation: fadeSlideIn 0.3s ease forwards;
}

.content-section.active {
    display: block !important;
}

@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Section Header */
.section-header {
    margin-bottom: 1.5rem;
}

.section-header h1 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.section-header h1 i {
    color: var(--color-accent-primary);
}

.section-header p {
    color: var(--color-text-secondary);
    margin-top: 0.25rem;
}

/* ==========================================================================
   Cards
   ========================================================================== */
.card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(10px);
    overflow: hidden;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover {
    border-color: var(--color-border-hover);
}

.card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--color-border);
    background: rgba(255, 255, 255, 0.02);
}

.card-header h2,
.card-header h5 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-body {
    padding: 1.25rem;
}

/* ==========================================================================
   Stats Cards - Dashboard
   ========================================================================== */
.aaa-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.aaa-stat-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all var(--transition-fast);
}

.aaa-stat-card:hover {
    border-color: var(--color-accent-primary);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
    flex-shrink: 0;
}

.stat-icon.bg-primary-gradient { background: linear-gradient(135deg, #6366f1, #8b5cf6); }
.stat-icon.bg-success-gradient { background: linear-gradient(135deg, #10b981, #059669); }
.stat-icon.bg-info-gradient { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.stat-icon.bg-warning-gradient { background: linear-gradient(135deg, #f59e0b, #d97706); }

.stat-info {
    flex: 1;
    min-width: 0;
}

.stat-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.2;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.stat-subtext {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

/* ==========================================================================
   Forms & Inputs
   ========================================================================== */
.form-control,
.form-select {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    color: var(--color-text-primary);
    padding: 0.625rem 0.875rem;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.form-control:focus,
.form-select:focus {
    background: var(--color-bg-tertiary);
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
    color: var(--color-text-primary);
    outline: none;
}

.form-control::placeholder {
    color: var(--color-text-muted);
}

.form-control-lg {
    padding: 0.875rem 1rem;
    font-size: var(--font-size-base);
}

.form-label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 0.375rem;
}

.form-check-input {
    background-color: var(--color-bg-tertiary);
    border-color: var(--color-border);
}

.form-check-input:checked {
    background-color: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
}

.form-check-label {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

/* Input Groups */
.input-group {
    display: flex;
}

.input-group .form-control {
    border-radius: var(--border-radius-sm) 0 0 var(--border-radius-sm);
}

.input-group .btn {
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
}

.input-group-text {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    padding: 0.625rem 0.875rem;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--color-accent-gradient);
    color: white;
    border: none;
}

.btn-primary:hover:not(:disabled) {
    box-shadow: var(--shadow-glow);
    transform: translateY(-1px);
}

.btn-success {
    background: var(--color-success);
    color: white;
}

.btn-success:hover:not(:disabled) {
    background: #059669;
}

.btn-danger {
    background: var(--color-danger);
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
}

.btn-outline-secondary {
    background: transparent;
    border-color: var(--color-border);
    color: var(--color-text-secondary);
}

.btn-outline-secondary:hover:not(:disabled) {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

.btn-outline-primary {
    background: transparent;
    border-color: var(--color-accent-primary);
    color: var(--color-accent-primary);
}

.btn-outline-primary:hover:not(:disabled),
.btn-outline-primary.active {
    background: var(--color-accent-primary);
    color: white;
}

.btn-outline-info {
    background: transparent;
    border-color: var(--color-info);
    color: var(--color-info);
}

.btn-outline-info:hover:not(:disabled),
.btn-outline-info.active {
    background: var(--color-info);
    color: white;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: 0.875rem 1.5rem;
    font-size: var(--font-size-base);
}

.btn-group {
    display: inline-flex;
}

.btn-group .btn {
    border-radius: 0;
}

.btn-group .btn:first-child {
    border-radius: var(--border-radius-sm) 0 0 var(--border-radius-sm);
}

.btn-group .btn:last-child {
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
}

.btn-group .btn:not(:last-child) {
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

/* ==========================================================================
   Badges
   ========================================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: 9999px;
}

.badge.bg-secondary {
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
}

.badge.bg-success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--color-success);
}

.badge.bg-warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--color-warning);
}

.badge.bg-danger {
    background: rgba(239, 68, 68, 0.2);
    color: var(--color-danger);
}

/* ==========================================================================
   Asset Toolbar
   ========================================================================== */
.asset-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--color-bg-tertiary);
    border-radius: var(--border-radius-md);
    margin-bottom: 1rem;
    align-items: center;
}

.asset-toolbar .btn-group {
    flex-shrink: 0;
}

.asset-toolbar .vr {
    width: 1px;
    height: 24px;
    background: var(--color-border);
    margin: 0 0.25rem;
}

/* ==========================================================================
   Asset Grid
   ========================================================================== */
.asset-view {
    min-height: 200px;
}

.asset-view.thumbnail-view {
    display: block; /* Changed from grid - inner .asset-grid-container handles the grid layout */
}

/* Square thumbnail grid for asset library (used by asset-library-enhanced.js) */
.asset-grid-container.square-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
    padding: 0.5rem;
}

/* Square card styling */
.asset-card.square-card {
    aspect-ratio: 1;
    position: relative;
}

.asset-card.square-card .asset-card-inner {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
}

.asset-card.square-card .thumbnail-media {
    flex: 1;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-secondary);
}

.asset-card.square-card .thumbnail-media img,
.asset-card.square-card .thumbnail-media video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.asset-card.square-card .asset-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 0.5rem;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.asset-card.square-card:hover .asset-overlay {
    opacity: 1;
}

.asset-card.square-card .asset-actions {
    display: flex;
    gap: 0.25rem;
    margin-top: 0.25rem;
}

.asset-card.square-card .asset-actions .btn-icon {
    width: 28px;
    height: 28px;
    padding: 0;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 4px;
    color: white;
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.asset-card.square-card .asset-actions .btn-icon:hover {
    background: var(--color-accent-primary);
}

.asset-card.square-card .video-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.asset-card.square-card:hover .video-overlay {
    opacity: 1;
}

.asset-card.square-card .video-overlay i {
    font-size: 2rem;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Source label styling */
.asset-source-label {
    position: absolute;
    bottom: 4px;
    left: 4px;
    background: rgba(0, 0, 0, 0.7);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.65rem;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    max-width: calc(100% - 8px);
    overflow: hidden;
}

.asset-source-label span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.asset-card {
    position: relative;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.asset-card:hover {
    border-color: var(--color-accent-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.asset-card.selected {
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.3);
}

.asset-card .asset-thumbnail {
    aspect-ratio: 1;
    width: 100%;
    object-fit: cover;
    background: var(--color-bg-secondary);
}

.asset-card .asset-checkbox {
    position: absolute;
    top: 0.5rem;
    left: 0.5rem;
    width: 20px;
    height: 20px;
    z-index: 10;
}

.asset-card .asset-info {
    padding: 0.75rem;
}

.asset-card .asset-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.asset-card .asset-meta {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

/* ==========================================================================
   Download Progress Panel
   ========================================================================== */
.aaa-download-panel {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.aaa-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    background: rgba(99, 102, 241, 0.1);
    border-bottom: 1px solid var(--color-border);
}

.aaa-panel-header .header-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.aaa-panel-header h5 {
    margin: 0;
    font-size: var(--font-size-base);
    font-weight: 600;
}

.pulse-indicator {
    width: 10px;
    height: 10px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.aaa-metrics-row {
    display: flex;
    justify-content: space-around;
    padding: 1rem;
    border-bottom: 1px solid var(--color-border);
    flex-wrap: wrap;
    gap: 0.5rem;
}

.metric-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    min-width: 60px;
}

.metric-num {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text-primary);
}

.metric-txt {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.aaa-stats-row {
    display: flex;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-border);
    flex-wrap: wrap;
}

.stat-pill {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--color-bg-tertiary);
    padding: 0.375rem 0.75rem;
    border-radius: 9999px;
    font-size: var(--font-size-xs);
}

.stat-pill strong {
    color: var(--color-text-primary);
}

.stat-pill span {
    color: var(--color-text-muted);
}

.aaa-active-section,
.aaa-recent-section {
    padding: 1rem;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 0.75rem;
}

.count-badge {
    background: var(--color-accent-primary);
    color: white;
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
    font-size: var(--font-size-xs);
}

.aaa-file-list,
.aaa-log-container {
    background: var(--color-bg-secondary);
    border-radius: var(--border-radius-sm);
    padding: 0.75rem;
    max-height: 200px;
    overflow-y: auto;
}

.placeholder-msg {
    text-align: center;
    color: var(--color-text-muted);
    padding: 1rem;
}

.log-entry {
    padding: 0.375rem 0;
    font-size: var(--font-size-xs);
    border-bottom: 1px solid var(--color-border);
}

.log-entry:last-child {
    border-bottom: none;
}

/* ==========================================================================
   Source Selection
   ========================================================================== */
#source-categories {
    max-height: 400px;
    overflow-y: auto;
}

.source-category {
    border-bottom: 1px solid var(--color-border);
}

.source-category:last-child {
    border-bottom: none;
}

.category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--color-bg-tertiary);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.category-header:hover {
    background: var(--color-bg-card-hover);
}

.category-name {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

.category-count {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.source-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 0.5rem;
    padding: 0.75rem 1rem;
}

.source-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.source-item:hover {
    border-color: var(--color-accent-primary);
}

.source-item.selected {
    background: rgba(99, 102, 241, 0.15);
    border-color: var(--color-accent-primary);
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.text-muted { color: var(--color-text-muted) !important; }
.text-success { color: var(--color-success) !important; }
.text-warning { color: var(--color-warning) !important; }
.text-danger { color: var(--color-danger) !important; }
.text-info { color: var(--color-info) !important; }
.text-primary { color: var(--color-accent-primary) !important; }

.bg-light { background: var(--color-bg-tertiary) !important; }
.bg-danger { background: var(--color-danger) !important; }

.d-flex { display: flex !important; }
.d-none { display: none !important; }
.d-block { display: block !important; }
.flex-wrap { flex-wrap: wrap !important; }
.align-items-center { align-items: center !important; }
.justify-content-between { justify-content: space-between !important; }
.justify-content-center { justify-content: center !important; }
.gap-1 { gap: 0.25rem !important; }
.gap-2 { gap: 0.5rem !important; }
.gap-3 { gap: 1rem !important; }

.w-100 { width: 100% !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.25rem !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.mt-3 { margin-top: 1rem !important; }
.ms-2 { margin-left: 0.5rem !important; }
.me-2 { margin-right: 0.5rem !important; }
.p-0 { padding: 0 !important; }
.p-3 { padding: 1rem !important; }
.p-4 { padding: 1.5rem !important; }
.py-3 { padding-top: 1rem !important; padding-bottom: 1rem !important; }
.py-5 { padding-top: 2rem !important; padding-bottom: 2rem !important; }
.px-4 { padding-left: 1.5rem !important; padding-right: 1.5rem !important; }

.text-center { text-align: center !important; }
.text-white { color: white !important; }

.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Grid System */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: -0.5rem;
}

.col-12 { flex: 0 0 100%; max-width: 100%; padding: 0.5rem; }
.col-md-2 { flex: 0 0 16.666%; max-width: 16.666%; padding: 0.5rem; }
.col-md-3 { flex: 0 0 25%; max-width: 25%; padding: 0.5rem; }
.col-md-4 { flex: 0 0 33.333%; max-width: 33.333%; padding: 0.5rem; }
.col-md-6 { flex: 0 0 50%; max-width: 50%; padding: 0.5rem; }

/* ==========================================================================
   Spinner & Loading States
   ========================================================================== */
.spinner-border {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    border: 3px solid var(--color-border);
    border-right-color: var(--color-accent-primary);
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
}

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

/* ==========================================================================
   Scrollbar Styling
   ========================================================================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

/* ==========================================================================
   Mobile Responsive Styles
   ========================================================================== */
@media (max-width: 1024px) {
    .aaa-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .col-md-2,
    .col-md-3,
    .col-md-4 {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

@media (max-width: 768px) {
    :root {
        --sidebar-width: 280px;
    }

    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.show {
        transform: translateX(0);
    }

    .sidebar-toggle {
        display: flex;
    }

    .content-area {
        margin-left: 0;
        padding: 1rem;
        padding-top: 4.5rem;
    }

    .aaa-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .aaa-stat-card {
        padding: 1rem;
    }

    .stat-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .stat-value {
        font-size: var(--font-size-lg);
    }

    .col-md-2,
    .col-md-3,
    .col-md-4,
    .col-md-6 {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .asset-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .asset-toolbar .btn-group {
        width: 100%;
    }

    .asset-toolbar .btn-group .btn {
        flex: 1;
    }

    .asset-toolbar .vr {
        display: none;
    }

    .asset-view.thumbnail-view {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .source-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .aaa-metrics-row {
        justify-content: space-between;
    }

    .metric-item {
        min-width: 50px;
    }

    .section-header h1 {
        font-size: var(--font-size-xl);
    }

    .btn-group.w-100 {
        flex-direction: column;
    }

    .btn-group.w-100 .btn {
        border-radius: var(--border-radius-sm) !important;
        margin-bottom: 0.25rem;
    }
}

@media (max-width: 480px) {
    .aaa-stats-grid {
        grid-template-columns: 1fr;
    }

    .asset-view.thumbnail-view {
        grid-template-columns: 1fr;
    }

    .source-grid {
        grid-template-columns: 1fr;
    }

    .aaa-stats-row {
        justify-content: center;
    }

    .stat-pill {
        flex: 1;
        justify-content: center;
        min-width: 80px;
    }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */
@media print {
    .sidebar,
    .sidebar-toggle,
    .sidebar-overlay {
        display: none !important;
    }

    .content-area {
        margin-left: 0;
    }

    body {
        background: white;
        color: black;
    }
}

/* ==========================================================================
   UI Modernization v3.2 - Skeleton Loaders, Micro-interactions, Accessibility
   ========================================================================== */

/* --------------------------------------------------------------------------
   Skeleton Loaders - Modern loading states
   -------------------------------------------------------------------------- */
.skeleton {
    background: var(--color-bg-tertiary);
    border-radius: var(--border-radius-sm);
    position: relative;
    overflow: hidden;
}

.skeleton::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.08) 50%,
        transparent 100%
    );
    animation: skeleton-shimmer 1.5s infinite;
}

@keyframes skeleton-shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
    border-radius: 4px;
}

.skeleton-text:last-child {
    width: 70%;
}

.skeleton-text-sm {
    height: 0.75rem;
}

.skeleton-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
}

.skeleton-card {
    height: 180px;
    border-radius: var(--border-radius-md);
}

.skeleton-thumbnail {
    aspect-ratio: 16 / 9;
    border-radius: var(--border-radius-sm);
}

.skeleton-button {
    height: 40px;
    width: 120px;
    border-radius: var(--border-radius-sm);
}

.skeleton-stat {
    height: 80px;
    border-radius: var(--border-radius-md);
}

/* Skeleton group for multiple loading items */
.skeleton-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 16px;
}

/* --------------------------------------------------------------------------
   Enhanced Button Micro-interactions
   -------------------------------------------------------------------------- */
.btn {
    position: relative;
    overflow: hidden;
    transform-origin: center;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Ripple effect on click */
.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn:active:not(:disabled)::before {
    width: 300px;
    height: 300px;
}

/* Active/pressed state */
.btn:active:not(:disabled) {
    transform: scale(0.96);
}

/* Loading state for buttons */
.btn.loading {
    color: transparent !important;
    pointer-events: none;
    position: relative;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: btn-spin 0.6s linear infinite;
    top: 50%;
    left: 50%;
    margin: -8px 0 0 -8px;
}

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

/* Enhanced disabled state */
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    filter: grayscale(30%);
    transform: none !important;
}

/* Icon button enhancements */
.btn-icon {
    transition: all 0.2s ease;
}

.btn-icon:hover:not(:disabled) {
    transform: scale(1.1);
}

.btn-icon:active:not(:disabled) {
    transform: scale(0.95);
}

/* --------------------------------------------------------------------------
   Focus States - Accessibility
   -------------------------------------------------------------------------- */
*:focus-visible {
    outline: 3px solid var(--color-accent-primary);
    outline-offset: 2px;
    border-radius: var(--border-radius-sm);
}

/* Remove focus outline for mouse users */
*:focus:not(:focus-visible) {
    outline: none;
}

/* Skip link for keyboard navigation */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-accent-primary);
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    z-index: 10001;
    border-radius: 0 0 var(--border-radius-sm) 0;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 0;
}

/* --------------------------------------------------------------------------
   Touch Target Sizes (44px minimum for mobile)
   -------------------------------------------------------------------------- */
@media (hover: none) and (pointer: coarse) {
    .btn {
        min-height: 44px;
        min-width: 44px;
    }

    .btn-sm {
        min-height: 40px;
        min-width: 40px;
    }

    .asset-checkbox,
    input[type="checkbox"],
    input[type="radio"] {
        min-width: 44px;
        min-height: 44px;
    }

    .nav-item {
        min-height: 48px;
    }
}

/* --------------------------------------------------------------------------
   Number Count-up Animation
   -------------------------------------------------------------------------- */
.stat-value,
.metric-value {
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.stat-updated {
    animation: stat-pop 0.5s ease;
}

@keyframes stat-pop {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

/* --------------------------------------------------------------------------
   Enhanced Card Hover Effects
   -------------------------------------------------------------------------- */
.aaa-stat-card,
.card,
.asset-card {
    position: relative;
    overflow: hidden;
}

.aaa-stat-card::before,
.card-hover-effect::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    transition: left 0.5s ease;
    pointer-events: none;
}

.aaa-stat-card:hover::before,
.card-hover-effect:hover::before {
    left: 100%;
}

/* --------------------------------------------------------------------------
   Theme Toggle Support (Light Mode Variables)
   -------------------------------------------------------------------------- */
.theme-light {
    --color-bg-primary: #f8fafc;
    --color-bg-secondary: #f1f5f9;
    --color-bg-tertiary: #e2e8f0;
    --color-bg-card: rgba(255, 255, 255, 0.9);
    --color-bg-card-hover: rgba(255, 255, 255, 1);
    --color-text-primary: #0f172a;
    --color-text-secondary: #475569;
    --color-text-muted: #64748b;
    --color-border: rgba(0, 0, 0, 0.1);
    --color-border-hover: rgba(0, 0, 0, 0.2);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.theme-light body::before {
    background:
        radial-gradient(ellipse at 20% 20%, rgba(99, 102, 241, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
}

/* Theme toggle button */
.theme-toggle {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: 9999px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.theme-toggle:hover {
    background: var(--color-bg-card-hover);
    transform: rotate(15deg);
}

.theme-toggle i {
    font-size: 1rem;
    color: var(--color-text-secondary);
    transition: color 0.2s ease;
}

/* --------------------------------------------------------------------------
   Enhanced Toast Notifications
   -------------------------------------------------------------------------- */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 400px;
    pointer-events: none;
}

.toast-container .toast {
    pointer-events: all;
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    border-radius: var(--border-radius-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
}

.toast.toast-enter {
    opacity: 1;
    transform: translateX(0);
}

.toast.toast-exit {
    opacity: 0;
    transform: translateX(100%);
}

.toast-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.875rem;
}

.toast-success .toast-icon {
    background: rgba(16, 185, 129, 0.2);
    color: var(--color-success);
}

.toast-error .toast-icon {
    background: rgba(239, 68, 68, 0.2);
    color: var(--color-danger);
}

.toast-warning .toast-icon {
    background: rgba(245, 158, 11, 0.2);
    color: var(--color-warning);
}

.toast-info .toast-icon {
    background: rgba(59, 130, 246, 0.2);
    color: var(--color-info);
}

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

.toast-title {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--color-text-primary);
}

.toast-message {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.4;
}

.toast-close {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: var(--border-radius-sm);
    transition: all 0.2s;
    flex-shrink: 0;
}

.toast-close:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

/* --------------------------------------------------------------------------
   Improved Progress Bars
   -------------------------------------------------------------------------- */
.progress-bar-animated {
    background: linear-gradient(
        90deg,
        var(--color-accent-primary) 0%,
        var(--color-accent-secondary) 50%,
        var(--color-accent-primary) 100%
    );
    background-size: 200% 100%;
    animation: progress-shimmer 2s linear infinite;
}

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

/* Indeterminate progress bar */
.progress-indeterminate {
    position: relative;
    overflow: hidden;
}

.progress-indeterminate::after {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--color-accent-primary), transparent);
    animation: indeterminate-slide 1.5s ease-in-out infinite;
}

@keyframes indeterminate-slide {
    0% { left: -50%; }
    100% { left: 100%; }
}

/* --------------------------------------------------------------------------
   Smooth Page Transitions
   -------------------------------------------------------------------------- */
.section {
    animation: section-fade-in 0.3s ease;
}

@keyframes section-fade-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --------------------------------------------------------------------------
   Improved Scrollbar Styling
   -------------------------------------------------------------------------- */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--color-bg-tertiary);
    border-radius: 4px;
    transition: background 0.2s;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

/* Firefox scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--color-bg-tertiary) var(--color-bg-secondary);
}

/* --------------------------------------------------------------------------
   Enhanced Empty State
   -------------------------------------------------------------------------- */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    text-align: center;
}

.empty-state-icon {
    font-size: 3rem;
    color: var(--color-text-muted);
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 8px;
}

.empty-state-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    max-width: 300px;
    margin-bottom: 24px;
}

/* ==========================================================================
   AI Source Recommendation Styles
   ========================================================================== */

/* AI Recommend Button */
#ai-recommend-sources {
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    border: none;
    color: white;
    font-weight: 500;
    transition: all 0.2s ease;
}

#ai-recommend-sources:hover {
    background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

#ai-recommend-sources:disabled {
    opacity: 0.7;
    cursor: wait;
}

/* AI Recommended Source Item */
.source-item-enhanced.ai-recommended {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-left: 3px solid var(--color-info);
    animation: ai-pulse 2s ease-in-out;
}

@keyframes ai-pulse {
    0%, 100% { box-shadow: none; }
    50% { box-shadow: 0 0 10px rgba(59, 130, 246, 0.3); }
}

/* AI Recommended Badge */
.ai-recommended-badge {
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%) !important;
    color: white !important;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    cursor: help;
    animation: badge-glow 1.5s ease-in-out;
}

@keyframes badge-glow {
    0%, 100% { box-shadow: none; }
    50% { box-shadow: 0 0 8px rgba(99, 102, 241, 0.5); }
}

.ai-recommended-badge i {
    font-size: 0.65rem;
}

/* Tooltip for AI reasoning */
.ai-recommended-badge[title]:hover::after {
    content: attr(title);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 12px;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    white-space: nowrap;
    max-width: 250px;
    white-space: normal;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}

/* Source performance indicators */
.source-performance-indicator {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 4px;
    background: var(--color-bg-tertiary);
}

.source-performance-indicator.high {
    color: var(--color-success);
    background: rgba(16, 185, 129, 0.1);
}

.source-performance-indicator.medium {
    color: var(--color-warning);
    background: rgba(245, 158, 11, 0.1);
}

.source-performance-indicator.low {
    color: var(--color-danger);
    background: rgba(239, 68, 68, 0.1);
}

/* Confidence meter */
.confidence-meter {
    width: 40px;
    height: 4px;
    background: var(--color-bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
    display: inline-block;
    margin-left: 4px;
}

.confidence-meter-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-info), var(--color-accent-primary));
    transition: width 0.3s ease;
}

/* ==========================================================================
   Enhanced Source Selection Grid - v3.3
   ========================================================================== */

/* Source quick selection buttons row */
.source-quick-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.source-quick-buttons .btn {
    flex-shrink: 0;
}

/* Adult Only button - special styling */
#select-adult-sources {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
    border: none;
    color: white;
}

#select-adult-sources:hover {
    background: linear-gradient(135deg, #c82333 0%, #a71d2a 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(220, 53, 69, 0.4);
}

/* Source categories container - enhanced grid */
.source-grid-container {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Enhanced category styling */
.source-category-enhanced {
    background: var(--color-bg-secondary);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: all var(--transition-fast);
}

.source-category-enhanced:hover {
    border-color: var(--color-border-hover);
}

.source-category-enhanced.adult-category {
    border-left: 3px solid var(--color-danger);
}

/* Category header */
.category-header-enhanced {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--color-bg-tertiary);
    cursor: pointer;
    user-select: none;
}

.category-header-enhanced h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-primary);
}

.category-header-enhanced.adult-category h4 {
    color: var(--color-danger);
}

/* Source list - aligned grid */
.source-list-enhanced {
    list-style: none;
    margin: 0;
    padding: 0.75rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 0.5rem;
}

/* Compact mode - smaller items */
.source-grid-container.compact-mode .source-list-enhanced {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 0.375rem;
    padding: 0.5rem;
}

.source-grid-container.compact-mode .source-item-enhanced {
    padding: 0.375rem 0.5rem;
}

.source-grid-container.compact-mode .source-name-enhanced {
    font-size: 0.75rem;
}

.source-grid-container.compact-mode .source-description-enhanced,
.source-grid-container.compact-mode .source-badges-enhanced {
    display: none;
}

/* Source item - equal width and aligned */
.source-item-enhanced {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.625rem 0.75rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: 48px;
}

.source-item-enhanced:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-accent-primary);
}

.source-item-enhanced.selected {
    background: rgba(99, 102, 241, 0.15);
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.source-item-enhanced.adult-source {
    border-left: 2px solid var(--color-danger);
}

.source-item-enhanced.locked {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Source control (checkbox area) */
.source-control-enhanced {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 2px;
}

.source-checkbox-enhanced {
    width: 18px;
    height: 18px;
    accent-color: var(--color-accent-primary);
    cursor: pointer;
}

.source-lock-enhanced {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.source-lock-enhanced.premium {
    color: var(--color-warning);
}

.source-lock-enhanced.adult {
    color: var(--color-danger);
}

/* Source info area */
.source-info-enhanced {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.source-name-enhanced {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-primary);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.source-name-enhanced label {
    cursor: pointer;
}

.source-description-enhanced {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Source badges */
.source-badges-enhanced {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    margin-top: 0.25rem;
}

.source-badge-enhanced {
    font-size: 0.65rem;
    padding: 1px 5px;
    border-radius: 3px;
}

/* Collapsed categories */
.source-category-enhanced.collapsed .source-list-enhanced {
    display: none;
}

.source-category-enhanced.collapsed .category-header-enhanced::after {
    content: '\f078';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    transform: rotate(-90deg);
    transition: transform var(--transition-fast);
}

/* Mobile responsiveness for source grid */
@media (max-width: 768px) {
    .source-quick-buttons {
        flex-wrap: wrap;
        justify-content: center;
    }

    .source-quick-buttons .btn {
        flex: 1 1 calc(33% - 0.5rem);
        min-width: 80px;
        max-width: 120px;
    }

    .source-list-enhanced {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .source-grid-container.compact-mode .source-list-enhanced {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}

@media (max-width: 480px) {
    .source-quick-buttons .btn {
        flex: 1 1 calc(50% - 0.5rem);
        font-size: 0.7rem;
        padding: 0.375rem 0.5rem;
    }

    .source-list-enhanced {
        grid-template-columns: 1fr 1fr;
    }

    .source-item-enhanced {
        padding: 0.5rem;
    }
}