/* Global Styles */
:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
}

/* S3 Storage Indicator */
.s3-icon {
    color: #ff9900 !important; /* AWS orange color */
    font-size: 0.85em;
    margin-left: 4px;
    opacity: 0.8;
    transition: opacity 0.2s ease;
}

.s3-icon:hover {
    opacity: 1;
}

/* Make S3 icon in dashboard slightly smaller */
.document-icon .s3-icon {
    font-size: 0.7em;
    margin-left: 2px;
}

/* Theme Variables */
:root {
    /* Dark theme (default) */
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #3d3d3d;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #999999;
    --text-dark: #e0e0e0;
    --border-color: #404040;
    --card-bg: #2d2d2d;
    --navbar-bg: #343a40;
}

[data-theme="light"] {
    /* Light theme */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #6c757d;
    --text-dark: #212529;
    --border-color: #dee2e6;
    --card-bg: #ffffff;
    --navbar-bg: #f8f9fa;
}


/* Performance optimizations */
* {
    box-sizing: border-box;
}

/* Reduce reflows by using transform instead of changing layout properties */
.card, .stat-card, .topic-card, .btn {
    will-change: transform;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color 0.3s, color 0.3s;
}

main {
    flex: 1;
}

/* Navigation */
.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
}

.navbar-brand i {
    color: var(--info-color);
}

/* Cards */
.card {
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background-color: var(--card-bg);
    color: var(--text-primary);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s, background-color 0.3s, color 0.3s, border-color 0.3s;
}

.card:hover {
    box-shadow: 0 3px 10px rgba(0,0,0,0.15);
}

/* Processing Steps */
.processing-step {
    padding: 0.5rem 0;
    border-bottom: 1px solid #e9ecef;
}

.processing-step:last-child {
    border-bottom: none;
}

.processing-step .step-icon {
    width: 24px;
    text-align: center;
}

.processing-step .step-text {
    font-weight: 500;
}

.processing-step .step-details {
    margin-left: 26px;
}

.processing-step .step-details .progress {
    background-color: #f8f9fa;
}

/* Buttons */
.btn {
    border-radius: 6px;
    padding: 8px 14px;
    font-weight: 500;
    transition: all 0.3s;
}

.btn:hover {
    box-shadow: 0 2px 6px rgba(0,0,0,0.12);
    transition: box-shadow 0.3s ease;
}

/* Forms */
.form-control, .form-select {
    border-radius: 5px;
    border: 1px solid #dee2e6;
    padding: 10px 15px;
}

/* Compact small buttons to avoid square/bloated look */
.btn-sm {
    padding: 4px 10px !important;
    border-radius: 6px !important;
    font-size: 0.875rem;
    line-height: 1.2;
}

/* Keep icon+label spacing tidy */
.btn i + span { margin-left: 0.4rem; }

/* Tighten spacing in small button groups */
.btn-group .btn-sm + .btn-sm { margin-left: 4px; }

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* Tables */
.table {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.table thead th {
    background: var(--primary-color);
    color: white;
    border: none;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

.table thead th a {
    color: white;
    text-decoration: none;
    font-weight: 600;
}

.table thead th a:hover {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: underline;
}

.table tbody tr:hover {
    background: rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02) !important;
}

/* Alerts */
.alert {
    border: none;
    border-radius: 10px;
    padding: 15px 20px;
}

/* Stats Cards */
.stat-card {
    background: white;
    border-radius: 6px;
    padding: 15px;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    border: 1px solid #e9ecef;
    transition: all 0.2s;
    min-height: 120px;
}

.stat-card:hover {
    box-shadow: 0 2px 6px rgba(0,0,0,0.12);
    transition: box-shadow 0.2s ease;
}

.stat-card .stat-icon {
    font-size: 1.8rem;
    margin-bottom: 8px;
}

.stat-card .stat-value {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--dark-color);
}

.stat-card .stat-label {
    color: var(--secondary-color);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Admin Dashboard */
.dashboard-header {
    background: linear-gradient(135deg, var(--primary-color), var(--info-color));
    color: white;
    padding: 30px 0;
    margin-bottom: 30px;
}

.dashboard-header h1 {
    margin: 0;
    font-weight: 300;
}

/* Topic Cards */
.topic-card {
    background: white;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all 0.3s;
}

.topic-card:hover {
    box-shadow: 0 3px 10px rgba(0,0,0,0.15);
    transition: box-shadow 0.3s ease;
}

.topic-card .topic-name {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--dark-color);
    margin-bottom: 10px;
}

.topic-card .topic-description {
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.topic-card .topic-stats {
    display: flex;
    gap: 20px;
    font-size: 0.9rem;
}

.topic-card .topic-stats span {
    color: var(--secondary-color);
}

.topic-card .topic-stats strong {
    color: var(--dark-color);
}

/* Document List */
.document-item {
    background: white;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 1px 5px rgba(0,0,0,0.1);
    transition: all 0.3s;
}

.document-item:hover {
    box-shadow: 0 3px 10px rgba(0,0,0,0.15);
}

.document-item .document-icon {
    font-size: 2rem;
    color: var(--danger-color);
    margin-right: 15px;
}

.document-item .document-info {
    flex: 1;
}

.document-item .document-name {
    font-weight: bold;
    color: var(--dark-color);
    margin-bottom: 5px;
}

.document-item .document-meta {
    font-size: 0.85rem;
    color: var(--secondary-color);
}

.document-item .document-status {
    margin-left: 10px;
}

.document-item .badge {
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
}

/* Upload Zone */
.upload-zone {
    border: 2px dashed var(--secondary-color);
    border-radius: 10px;
    padding: 40px;
    text-align: center;
    background: var(--light-color);
    transition: all 0.3s;
    cursor: pointer;
}

.upload-zone:hover {
    border-color: var(--primary-color);
    background: white;
}

.upload-zone.dragover {
    border-color: var(--success-color);
    background: #e8f5e9;
}

.upload-zone .upload-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.upload-zone .upload-text {
    color: var(--secondary-color);
    margin-bottom: 10px;
}

/* Loading Spinner */
.spinner-border {
    width: 1rem;
    height: 1rem;
    border-width: 0.15em;
}

/* Login Page */
.login-container {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    width: 100%;
    max-width: 400px;
    padding: 30px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.login-card .login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-card .login-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.google-login-btn {
    background: white;
    border: 1px solid #dadce0;
    color: #3c4043;
    padding: 12px 24px;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    transition: all 0.3s;
}

.google-login-btn:hover {
    background: #f8f9fa;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.google-login-btn img {
    width: 20px;
    height: 20px;
    margin-right: 10px;
}

/* Responsive */
@media (max-width: 768px) {
    .stat-card {
        margin-bottom: 15px;
    }
    
    .dashboard-header {
        padding: 20px 0;
    }
    
    .topic-card .topic-stats {
        flex-direction: column;
        gap: 5px;
    }
    
    .document-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .document-item .document-status {
        margin-left: 0;
        margin-top: 10px;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* Footer */
.footer {
    background: var(--light-color);
    border-top: 1px solid rgba(222, 226, 230, 0.3); /* Much more subtle border */
    margin-top: auto;
}

/* Dark theme footer border */
[data-theme="dark"] .footer {
    border-top: 1px solid rgba(64, 64, 64, 0.3); /* Subtle dark theme border */
}

/* ============================
   DARK MODE - COMPLETE REDESIGN
   ============================ */

/* Text color overrides */
[data-theme="dark"] .text-muted {
    color: #8b92a5 !important;
}

[data-theme="dark"] .text-dark {
    color: #e4e6eb !important;
}

[data-theme="dark"] .text-secondary {
    color: #a8b3c5 !important;
}

[data-theme="dark"] .text-body {
    color: var(--text-primary) !important;
}

/* Main containers and backgrounds */
[data-theme="dark"] body {
    background: linear-gradient(135deg, #0f0f0f 0%, #1a1a1a 100%);
}

[data-theme="dark"] .container,
[data-theme="dark"] .container-fluid {
    background-color: transparent;
}

/* Cards - Slick dark design */
[data-theme="dark"] .card {
    background: linear-gradient(145deg, #1e1e1e, #252525);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4),
                inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .card-header {
    background: linear-gradient(90deg, #2a2a2a, #232323);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    color: #e4e6eb;
}

[data-theme="dark"] .card-body {
    background: transparent;
    color: #d1d5db;
}

[data-theme="dark"] .card-footer {
    background: rgba(30, 30, 30, 0.5);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* Tables - Modern dark style */
[data-theme="dark"] .table {
    background: rgba(25, 25, 25, 0.95);
    color: #e4e6eb;
}

/* Pricing totals row styling */
.table tfoot tr.table-total th {
    background: #f8f9fa;
    border-top: 2px solid #dee2e6;
    font-weight: 600;
}

[data-theme="dark"] .table tfoot tr.table-total th {
    background: linear-gradient(90deg, #2a2a2a, #232323) !important;
    border-top: 2px solid rgba(255, 255, 255, 0.12);
    color: #f0f2f5;
}

[data-theme="dark"] .table thead th {
    background: linear-gradient(90deg, #2a2a2a, #232323);
    border-color: rgba(255, 255, 255, 0.08);
    color: #f0f2f5;
    font-weight: 600;
}

[data-theme="dark"] .table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: rgba(255, 255, 255, 0.02);
}

[data-theme="dark"] .table-hover > tbody > tr:hover > * {
    background-color: rgba(255, 255, 255, 0.02) !important;
    transition: background-color 0.2s ease;
}

[data-theme="dark"] .table td,
[data-theme="dark"] .table th {
    border-color: rgba(255, 255, 255, 0.05);
}

/* Forms - Elegant dark inputs */
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select,
[data-theme="dark"] .form-control:disabled,
[data-theme="dark"] .form-control[readonly] {
    background: linear-gradient(145deg, #1a1a1a, #202020);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #e4e6eb;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    background: linear-gradient(145deg, #1f1f1f, #252525);
    border-color: #4a9eff;
    color: #f0f2f5;
    box-shadow: 0 0 0 0.2rem rgba(74, 158, 255, 0.25),
                inset 0 1px 3px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .form-control::placeholder {
    color: #6b7280;
}

[data-theme="dark"] .form-label {
    color: #b8bdc6;
    font-weight: 500;
}

[data-theme="dark"] .form-text {
    color: #8b92a5;
}

[data-theme="dark"] .input-group-text {
    background: linear-gradient(145deg, #252525, #2a2a2a);
    border-color: rgba(255, 255, 255, 0.1);
    color: #a8b3c5;
}

/* Buttons - Enhanced for dark mode */
[data-theme="dark"] .btn-primary {
    background: linear-gradient(135deg, #4a9eff, #3b82f6);
    border: 1px solid rgba(74, 158, 255, 0.3);
    box-shadow: 0 4px 12px rgba(74, 158, 255, 0.2);
}

[data-theme="dark"] .btn-primary:hover {
    background: linear-gradient(135deg, #5aa5ff, #4a90ff);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12) !important;
    transform: none !important;
}

[data-theme="dark"] .btn-secondary {
    background: linear-gradient(135deg, #4a4a4a, #3a3a3a);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #e4e6eb;
}

[data-theme="dark"] .btn-success {
    background: linear-gradient(135deg, #10b981, #059669);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

[data-theme="dark"] .btn-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

[data-theme="dark"] .btn-outline-primary {
    color: #4a9eff;
    border-color: rgba(74, 158, 255, 0.5);
}

[data-theme="dark"] .btn-outline-primary:hover {
    background-color: rgba(74, 158, 255, 0.1);
    border-color: #4a9eff;
    color: #5aa5ff;
}

/* Alerts - Sophisticated dark alerts */
[data-theme="dark"] .alert {
    background: linear-gradient(145deg, #1e1e1e, #252525);
    border: 1px solid;
    color: #e4e6eb;
}

[data-theme="dark"] .alert-primary {
    background: linear-gradient(145deg, rgba(74, 158, 255, 0.1), rgba(59, 130, 246, 0.05));
    border-color: rgba(74, 158, 255, 0.3);
    color: #93c5fd;
}

[data-theme="dark"] .alert-success {
    background: linear-gradient(145deg, rgba(16, 185, 129, 0.1), rgba(5, 150, 105, 0.05));
    border-color: rgba(16, 185, 129, 0.3);
    color: #86efac;
}

[data-theme="dark"] .alert-danger {
    background: linear-gradient(145deg, rgba(239, 68, 68, 0.1), rgba(220, 38, 38, 0.05));
    border-color: rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

[data-theme="dark"] .alert-warning {
    background: linear-gradient(145deg, rgba(245, 158, 11, 0.1), rgba(217, 119, 6, 0.05));
    border-color: rgba(245, 158, 11, 0.3);
    color: #fcd34d;
}

/* Modals - Elegant dark modals */
[data-theme="dark"] .modal-content {
    background: linear-gradient(145deg, #1e1e1e, #252525);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
}

[data-theme="dark"] .modal-header {
    background: linear-gradient(90deg, #2a2a2a, #232323);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    color: #f0f2f5;
}

[data-theme="dark"] .modal-footer {
    background: rgba(30, 30, 30, 0.5);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .modal-backdrop {
    background-color: #000;
    opacity: 0.8;
}

/* Dropdowns - Refined dark dropdowns */
[data-theme="dark"] .dropdown-menu {
    background: linear-gradient(145deg, #1e1e1e, #252525);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
}

[data-theme="dark"] .dropdown-item {
    color: #d1d5db;
}

[data-theme="dark"] .dropdown-item:hover,
[data-theme="dark"] .dropdown-item:focus {
    background: rgba(74, 158, 255, 0.1);
    color: #f0f2f5;
}

[data-theme="dark"] .dropdown-divider {
    border-color: rgba(255, 255, 255, 0.08);
}

/* List groups - Modern dark style */
[data-theme="dark"] .list-group-item {
    background: linear-gradient(145deg, #1e1e1e, #232323);
    border-color: rgba(255, 255, 255, 0.08);
    color: #d1d5db;
}

[data-theme="dark"] .list-group-item:hover {
    background: linear-gradient(145deg, #252525, #2a2a2a);
}

[data-theme="dark"] .list-group-item.active {
    background: linear-gradient(135deg, #4a9eff, #3b82f6);
    border-color: rgba(74, 158, 255, 0.3);
}

/* Badges - Enhanced visibility */
[data-theme="dark"] .badge {
    font-weight: 500;
}

[data-theme="dark"] .badge.bg-primary {
    background: linear-gradient(135deg, #4a9eff, #3b82f6) !important;
}

[data-theme="dark"] .badge.bg-success {
    background: linear-gradient(135deg, #10b981, #059669) !important;
}

[data-theme="dark"] .badge.bg-warning {
    background: linear-gradient(135deg, #f59e0b, #d97706) !important;
    color: #1a1a1a !important;
}

[data-theme="dark"] .badge.bg-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626) !important;
}

/* Pagination - Dark theme pagination */
[data-theme="dark"] .page-link {
    background: linear-gradient(145deg, #1e1e1e, #252525);
    border-color: rgba(255, 255, 255, 0.1);
    color: #a8b3c5;
}

[data-theme="dark"] .page-link:hover {
    background: linear-gradient(145deg, #252525, #2a2a2a);
    border-color: rgba(74, 158, 255, 0.3);
    color: #4a9eff;
}

[data-theme="dark"] .page-item.active .page-link {
    background: linear-gradient(135deg, #4a9eff, #3b82f6);
    border-color: rgba(74, 158, 255, 0.3);
}

/* Progress bars */
[data-theme="dark"] .progress {
    background-color: rgba(255, 255, 255, 0.05);
}

/* Scrollbars - Custom dark scrollbars */
[data-theme="dark"] ::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

[data-theme="dark"] ::-webkit-scrollbar-track {
    background: #1a1a1a;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: linear-gradient(145deg, #3a3a3a, #4a4a4a);
    border-radius: 6px;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(145deg, #4a4a4a, #5a5a5a);
}

/* Close buttons */
[data-theme="dark"] .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* Breadcrumbs */
[data-theme="dark"] .breadcrumb {
    background-color: rgba(255, 255, 255, 0.03);
}

[data-theme="dark"] .breadcrumb-item + .breadcrumb-item::before {
    color: #6b7280;
}

/* Nav tabs */
[data-theme="dark"] .nav-tabs {
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .nav-tabs .nav-link {
    color: #a8b3c5;
}

[data-theme="dark"] .nav-tabs .nav-link:hover {
    border-color: rgba(255, 255, 255, 0.1);
    color: #e4e6eb;
}

[data-theme="dark"] .nav-tabs .nav-link.active {
    background-color: var(--bg-primary);
    border-color: rgba(255, 255, 255, 0.1) rgba(255, 255, 255, 0.1) var(--bg-primary);
    color: #f0f2f5;
}

/* Code blocks */
[data-theme="dark"] pre,
[data-theme="dark"] code {
    background-color: #0d0d0d;
    color: #e4e6eb;
}

/* HR elements */
[data-theme="dark"] hr {
    border-color: rgba(255, 255, 255, 0.08);
    opacity: 1;
}

/* Admin Dashboard Specific - Stat Cards */
[data-theme="dark"] .stat-card {
    background: linear-gradient(145deg, #1e1e1e, #2a2a2a);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3),
                inset 0 1px 0 rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

[data-theme="dark"] .stat-card:hover {
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
    transition: box-shadow 0.3s ease;
}

[data-theme="dark"] .stat-card .stat-icon {
    color: #4a9eff;
    filter: drop-shadow(0 2px 4px rgba(74, 158, 255, 0.3));
}

[data-theme="dark"] .stat-card .stat-value {
    color: #f0f2f5;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .stat-card .stat-label {
    color: #b8bdc6;
    font-weight: 500;
}

/* Topic Cards */
[data-theme="dark"] .topic-card {
    background: linear-gradient(145deg, #1e1e1e, #2a2a2a);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

[data-theme="dark"] .topic-card:hover {
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
    transition: box-shadow 0.3s ease;
}

[data-theme="dark"] .topic-card .topic-name {
    color: #f0f2f5;
    font-weight: 600;
}

[data-theme="dark"] .topic-card .topic-description {
    color: #a8b3c5;
}

/* Document Items */
[data-theme="dark"] .document-item {
    background: linear-gradient(145deg, #1a1a1a, #202020);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 12px;
    transition: all 0.3s ease;
}

[data-theme="dark"] .document-item:hover {
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
    transition: box-shadow 0.3s ease;
}

[data-theme="dark"] .document-item .document-name {
    color: #e4e6eb;
    font-weight: 600;
}

[data-theme="dark"] .document-item .document-meta {
    color: #8b92a5;
    font-size: 0.875rem;
}

/* Processing status indicators */
[data-theme="dark"] .processing-status {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

[data-theme="dark"] .processing-status.status-complete {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

[data-theme="dark"] .processing-status.status-processing {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

[data-theme="dark"] .processing-status.status-error {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Empty states */
[data-theme="dark"] .empty-state {
    color: #6b7280;
    text-align: center;
    padding: 3rem 2rem;
}

[data-theme="dark"] .empty-state i {
    color: #4b5563;
    margin-bottom: 1rem;
}

[data-theme="dark"] .empty-state h6 {
    color: #9ca3af;
    margin-bottom: 0.5rem;
}

[data-theme="dark"] .empty-state p {
    color: #6b7280;
    margin-bottom: 0;
}

/* Session detail specific */
[data-theme="dark"] .session-meta {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 20px;
}

[data-theme="dark"] .session-meta dt {
    color: #b8bdc6;
    font-weight: 600;
}

[data-theme="dark"] .session-meta dd {
    color: #d1d5db;
}

/* Message bubbles in session detail */
[data-theme="dark"] .message-bubble {
    background: linear-gradient(145deg, #1a1a1a, #202020);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 16px;
}

[data-theme="dark"] .message-bubble.user {
    background: linear-gradient(145deg, rgba(74, 158, 255, 0.1), rgba(59, 130, 246, 0.05));
    border-color: rgba(74, 158, 255, 0.2);
}

[data-theme="dark"] .message-bubble.assistant {
    background: linear-gradient(145deg, #1e1e1e, #252525);
    border-color: rgba(255, 255, 255, 0.08);
}

/* Timeline elements */
[data-theme="dark"] .timeline-item {
    border-left: 2px solid rgba(255, 255, 255, 0.1);
    padding-left: 20px;
    margin-bottom: 24px;
    position: relative;
}

[data-theme="dark"] .timeline-item::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 0;
    width: 10px;
    height: 10px;
    background: #4a9eff;
    border-radius: 50%;
    box-shadow: 0 0 0 3px rgba(74, 158, 255, 0.2);
}

/* Loading animations */
[data-theme="dark"] .loading-spinner {
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border-top: 3px solid #4a9eff;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Fix remaining light inner blocks in dark mode */
[data-theme="dark"] .inner-content,
[data-theme="dark"] .content-block,
[data-theme="dark"] .info-block,
[data-theme="dark"] .stats-block,
[data-theme="dark"] .data-block {
    background: linear-gradient(145deg, #1e1e1e, #252525) !important;
    color: var(--text-primary) !important;
}

/* Fix specific admin template elements */
[data-theme="dark"] .row .col-md-6 .card-body,
[data-theme="dark"] .row .col-md-4 .card-body,
[data-theme="dark"] .row .col-md-3 .card-body,
[data-theme="dark"] .session-details,
[data-theme="dark"] .topic-stats,
[data-theme="dark"] .user-info,
[data-theme="dark"] .group-info {
    background: transparent !important;
    color: var(--text-primary) !important;
}

/* Fix any remaining white/light backgrounds */
[data-theme="dark"] .bg-white,
[data-theme="dark"] .bg-light,
[data-theme="dark"] .bg-gray-50,
[data-theme="dark"] .bg-gray-100 {
    background: linear-gradient(145deg, #1e1e1e, #252525) !important;
    color: var(--text-primary) !important;
}

/* Fix inner card components */
[data-theme="dark"] .card .card-body .card,
[data-theme="dark"] .card .card-body .alert,
[data-theme="dark"] .nested-card {
    background: linear-gradient(145deg, #1a1a1a, #202020) !important;
    border-color: rgba(255, 255, 255, 0.08) !important;
}

/* Fix table inner cells */
[data-theme="dark"] .table tbody tr td,
[data-theme="dark"] .table tbody tr th {
    background-color: transparent !important;
    color: var(--text-primary) !important;
}

/* Fix any remaining Bootstrap utility classes */
[data-theme="dark"] .bg-transparent {
    background-color: transparent !important;
}

[data-theme="dark"] .border-light {
    border-color: rgba(255, 255, 255, 0.08) !important;
}

[data-theme="dark"] .text-body,
[data-theme="dark"] .text-reset {
    color: var(--text-primary) !important;
}

/* Fix accordion and collapse components */
[data-theme="dark"] .accordion-item {
    background: linear-gradient(145deg, #1e1e1e, #252525);
    border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .accordion-header button {
    background: linear-gradient(145deg, #252525, #2a2a2a);
    color: var(--text-primary);
}

[data-theme="dark"] .accordion-body {
    background: rgba(30, 30, 30, 0.5);
    color: var(--text-primary);
}

/* Fix offcanvas components */
[data-theme="dark"] .offcanvas {
    background: linear-gradient(145deg, #1e1e1e, #252525);
    color: var(--text-primary);
}

/* Fix toast notifications */
[data-theme="dark"] .toast {
    background: linear-gradient(145deg, #1e1e1e, #252525);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

[data-theme="dark"] .toast-header {
    background: linear-gradient(90deg, #2a2a2a, #232323);
    border-bottom-color: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

/* Fix card groups and decks */
[data-theme="dark"] .card-group .card,
[data-theme="dark"] .card-deck .card {
    background: linear-gradient(145deg, #1e1e1e, #252525);
    border-color: rgba(255, 255, 255, 0.05);
}

/* Fix remaining utility backgrounds */
[data-theme="dark"] [class*="bg-gray"],
[data-theme="dark"] [class*="bg-slate"],
[data-theme="dark"] [class*="bg-zinc"],
[data-theme="dark"] [class*="bg-neutral"] {
    background: linear-gradient(145deg, #1a1a1a, #202020) !important;
    color: var(--text-primary) !important;
}


/* Fix administrative action cards in settings */
[data-theme="dark"] .card.border-danger {
    background: linear-gradient(145deg, #1e1e1e, #252525) !important;
    border-color: rgba(239, 68, 68, 0.4) !important;
    color: var(--text-primary) !important;
}


[data-theme="dark"] .card.border-warning {
    border-color: rgba(245, 158, 11, 0.4) !important;
    background: linear-gradient(145deg, #1e1e1e, #252525) !important;
    color: var(--text-primary) !important;
}

[data-theme="dark"] .card.border-warning .card-header.bg-warning {
    background: linear-gradient(90deg, rgba(245, 158, 11, 0.9), rgba(217, 119, 6, 0.8)) !important;
    border-bottom: 1px solid rgba(245, 158, 11, 0.3) !important;
    color: #000 !important;
}

[data-theme="dark"] .card.border-danger .card-body {
    background: transparent !important;
    color: var(--text-primary) !important;
}

[data-theme="dark"] .card.border-danger .card-title {
    color: #f0f2f5 !important;
}

[data-theme="dark"] .card.border-danger .card-text {
    color: var(--text-secondary) !important;
}

[data-theme="dark"] .card.border-danger ul li {
    color: var(--text-secondary) !important;
}

/* Ensure buttons in danger cards are visible */
[data-theme="dark"] .card.border-danger .btn-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626) !important;
    border-color: rgba(239, 68, 68, 0.5) !important;
    color: white !important;
}

/* FINAL FIX - Comprehensive table hover for ALL tables in dark mode */
[data-theme="dark"] .table-hover > tbody > tr:hover,
[data-theme="dark"] .table-hover > tbody > tr:hover > *,
[data-theme="dark"] .table-hover tbody tr:hover,
[data-theme="dark"] .table-hover tbody tr:hover > *,
[data-theme="dark"] .table tbody tr:hover,
[data-theme="dark"] .table tbody tr:hover > *,
[data-theme="dark"] table tbody tr:hover,
[data-theme="dark"] table tbody tr:hover > *,
[data-theme="dark"] .table-responsive table tbody tr:hover,
[data-theme="dark"] .table-responsive table tbody tr:hover > * {
    background-color: rgba(255, 255, 255, 0.02) !important;
    background: rgba(255, 255, 255, 0.02) !important;
    color: inherit !important;
}

/* Fix document chunks modal - dark mode chunk text display */
[data-theme="dark"] .chunk-text {
    background: linear-gradient(145deg, #1e1e1e, #252525) !important;
    color: var(--text-primary) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
}

[data-theme="dark"] .chunk-item .card {
    background: linear-gradient(145deg, #1e1e1e, #252525) !important;
    border-color: rgba(255, 255, 255, 0.08) !important;
}

[data-theme="dark"] .chunk-item .card-header {
    background: linear-gradient(90deg, #2a2a2a, #232323) !important;
    border-bottom-color: rgba(255, 255, 255, 0.08) !important;
    color: var(--text-primary) !important;
}

[data-theme="dark"] .chunk-item .card-body {
    background: transparent !important;
    color: var(--text-primary) !important;
}

/* Fix chunk editor (textarea) */
[data-theme="dark"] .chunk-editor {
    background: linear-gradient(145deg, #1e1e1e, #252525) !important;
    color: var(--text-primary) !important;
    border-color: rgba(255, 255, 255, 0.08) !important;
}