/**
 * Commons Depicts Analyzer - Frontend Styles
 * 
 * Wikipedia-inspired design with:
 * - Neutral color palette
 * - System fonts
 * - Clean table layouts
 * - Accessible focus states
 */

/* ============ CSS Variables ============ */
:root {
    /* Colors - Wikipedia inspired */
    --color-bg: #f8f9fa;
    --color-surface: #ffffff;
    --color-border: #a2a9b1;
    --color-border-light: #c8ccd1;
    --color-text: #202122;
    --color-text-muted: #54595d;
    --color-link: #0645ad;
    --color-link-hover: #0b0080;
    --color-link-visited: #0b0080;

    /* Accent colors */
    --color-primary: #3366cc;
    --color-primary-hover: #2a4b8d;
    --color-success: #14866d;
    --color-warning: #ac6600;
    --color-danger: #d33;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;

    /* Borders */
    --border-radius: 2px;
    --border-width: 1px;

    /* Container width */
    --container-max-width: 960px;
}

/* Dark Mode */
[data-theme="dark"] {
    --color-bg: #101418;
    --color-surface: #1a1d21;
    --color-border: #3a3f44;
    --color-border-light: #2c3136;
    --color-text: #e3e3e3;
    --color-text-muted: #a0a0a0;
    --color-link: #6b9eff;
    --color-link-hover: #8fb4ff;
    --color-link-visited: #c792ea;
    --color-primary: #6b9eff;
    --color-primary-hover: #5a8ae6;
}

/* Dark Mode - Component Overrides */
[data-theme="dark"] .history-section {
    background: linear-gradient(135deg, #1a1d21 0%, #141618 100%);
    border-color: var(--color-border);
}

[data-theme="dark"] .history-summary {
    background: rgba(30, 33, 38, 0.9);
    border: 1px solid var(--color-border);
}

[data-theme="dark"] .history-card {
    background: #1e2126;
    border-color: var(--color-border);
}

[data-theme="dark"] .history-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .history-card-actions {
    border-top-color: var(--color-border);
}

[data-theme="dark"] .history-card-action {
    border-color: var(--color-border);
    color: var(--color-text-muted);
}

[data-theme="dark"] .coverage-bar-container {
    background: #2a2d32;
}

[data-theme="dark"] .search-input {
    background: var(--color-surface);
    border-color: var(--color-border);
    color: var(--color-text);
}

[data-theme="dark"] .search-input::placeholder {
    color: var(--color-text-muted);
}

[data-theme="dark"] .stat-card {
    background: var(--color-surface);
    border-color: var(--color-border);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .stat-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .modal-content {
    background: #1e2126;
}

[data-theme="dark"] .modal-backdrop {
    background: rgba(0, 0, 0, 0.7);
}

[data-theme="dark"] .modal-btn-cancel {
    background: #2a2d32;
    color: var(--color-text-muted);
}

[data-theme="dark"] .modal-btn-cancel:hover {
    background: #3a3d42;
    color: var(--color-text);
}

[data-theme="dark"] .modal-icon {
    background: linear-gradient(135deg, #3d2020 0%, #4a2828 100%);
}

[data-theme="dark"] .appearance-panel {
    background: #1e2126;
    border-color: var(--color-border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .appearance-hide-btn {
    background: #2a2d32;
    border-color: var(--color-border);
    color: var(--color-text);
}

[data-theme="dark"] .appearance-hide-btn:hover {
    background: #3a3d42;
}

[data-theme="dark"] .data-table th {
    background: #1e2126;
}

[data-theme="dark"] .data-table tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.02);
}

[data-theme="dark"] .tabs {
    border-bottom-color: var(--color-border);
}

[data-theme="dark"] .tab-btn {
    color: var(--color-text-muted);
}

[data-theme="dark"] .tab-btn:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* Wide Mode */
[data-width="wide"] {
    --container-max-width: 1400px;
}

/* Text Sizes */
[data-text-size="small"] {
    --font-size-sm: 0.75rem;
    --font-size-base: 0.875rem;
    --font-size-lg: 1rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
}

[data-text-size="large"] {
    --font-size-sm: 1rem;
    --font-size-base: 1.125rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.75rem;
    --font-size-2xl: 2.25rem;
}

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

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
}

a {
    color: var(--color-link);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
    color: var(--color-link-hover);
}

a:visited {
    color: var(--color-link-visited);
}

/* ============ Utility Classes ============ */
.hidden {
    display: none !important;
}

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

/* ============ Layout ============ */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: var(--space-md);
    transition: max-width 0.3s ease;
}

/* ============ Header ============ */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-xl) 0;
    border-bottom: var(--border-width) solid var(--color-border-light);
    margin-bottom: var(--space-xl);
}

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

.header h1 {
    margin: 0;
    font-size: var(--font-size-2xl);
    font-weight: 400;
    color: var(--color-text);
    font-family: 'Linux Libertine', 'Georgia', 'Times', serif;
    line-height: 1.2;
}

.subtitle {
    margin: var(--space-xs) 0 0;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    line-height: 1.4;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
    margin-left: var(--space-lg);
}

.appearance-btn {
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: 6px;
    padding: 6px;
    cursor: pointer;
    color: var(--color-text-muted);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
}

.appearance-btn:hover {
    background: var(--color-bg);
    color: var(--color-primary);
    border-color: var(--color-primary);
}

/* ============ Appearance Panel ============ */
.appearance-panel {
    position: fixed;
    top: 80px;
    right: 20px;
    width: 240px;
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: 4px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    z-index: 100;
    padding: var(--space-md);
    animation: panelSlideIn 0.2s ease-out;
}

@keyframes panelSlideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

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

.appearance-panel.hidden {
    display: none;
}

.appearance-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--color-border-light);
}

.appearance-title {
    font-weight: 700;
    font-size: var(--font-size-base);
    color: var(--color-text);
}

.appearance-hide-btn {
    background: #eaecf0;
    border: 1px solid var(--color-border-light);
    border-radius: 4px;
    padding: 2px 8px;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    cursor: pointer;
    transition: background 0.2s;
}

.appearance-hide-btn:hover {
    background: #dadde3;
}

.appearance-section {
    margin-bottom: var(--space-md);
}

.appearance-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.beta-badge {
    background: #fee7e6;
    color: #d33;
    font-size: 0.7rem;
    padding: 1px 4px;
    border-radius: 3px;
    margin-left: 4px;
}

[data-theme="dark"] .beta-badge {
    background: #442c2c;
}

.appearance-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.appearance-option {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    padding: var(--space-xs) 0;
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

.appearance-option input[type="radio"] {
    accent-color: var(--color-primary);
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.appearance-option:hover {
    color: var(--color-primary);
}

/* ============ Search Section ============ */
.search-section {
    background: var(--color-surface);
    border: var(--border-width) solid var(--color-border-light);
    border-radius: var(--border-radius);
    padding: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.search-form {
    display: flex;
    gap: var(--space-sm);
}

.input-wrapper {
    position: relative;
    flex: 1;
}

.input-icon {
    position: absolute;
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
}

.search-input {
    width: 100%;
    padding: var(--space-sm) var(--space-md) var(--space-sm) 2.5rem;
    /* Space for icon */
    font-size: var(--font-size-base);
    font-family: inherit;
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--border-radius);
    background: var(--color-surface);
}

.search-input:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 1px;
    border-color: var(--color-primary);
}

.search-input::placeholder {
    color: var(--color-text-muted);
}

.search-hint {
    margin: var(--space-sm) 0 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* Suggestions Dropdown */
.suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-top: none;
    border-radius: 0 0 12px 12px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
    max-height: 260px;
    overflow-y: auto;
    z-index: 20;
    backdrop-filter: blur(2px);
}

.suggestions-header {
    padding: 0.55rem var(--space-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    background: linear-gradient(90deg, #f7f9fc 0%, #f1f5fb 100%);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    position: sticky;
    top: 0;
    z-index: 1;
    letter-spacing: 0.01em;
}

.suggestions-hint {
    padding: 0.5rem var(--space-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    background: var(--color-surface);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.suggestions-empty {
    padding: 0.75rem var(--space-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.suggestion-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.7rem var(--space-md);
    cursor: pointer;
    background: var(--color-surface);
    color: var(--color-text);
    border-bottom: none;
    border: none;
    outline: none;
    box-shadow: none;
    appearance: none;
    -webkit-appearance: none;
    font-size: var(--font-size-base);
    width: 100%;
    text-align: left;
    transition: background-color 0.15s ease, color 0.15s ease, transform 0.12s ease;
}

.suggestion-icon {
    width: 22px;
    height: 22px;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #eef2f9;
    color: var(--color-primary);
    font-size: 0.75rem;
    flex-shrink: 0;
}

.suggestion-item:last-child {
    border-bottom: none;
}

.suggestion-item:hover,
.suggestion-item.active {
    background: #eef4ff;
    transform: translateX(2px);
}

.suggestion-item:focus-visible {
    outline: 2px solid rgba(51, 102, 204, 0.3);
    outline-offset: -2px;
}

.suggestion-prefix {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    color: var(--color-text-muted);
    background: #f5f7fb;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 999px;
    padding: 0.1rem 0.4rem;
}

.suggestion-text {
    color: var(--color-text);
    flex: 1;
}

/* Search History Chips */
.search-history {
    margin-top: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: 6px;
}

.history-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.history-chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.history-chip {
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: 999px;
    padding: 0.25rem 0.75rem;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    padding-right: 8px;
    /* Reduce padding on right to keep icon close */
}

.history-chip:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    padding-right: 6px;
    /* Slightly adjust for icon */
}

.history-chip-remove {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    opacity: 0;
    transition: all 0.2s ease;
    font-size: 0.8em;
    transform: scale(0.8);
    background: rgba(0, 0, 0, 0.05);
}

.history-chip:hover .history-chip-remove {
    opacity: 1;
    transform: scale(1);
}

.history-chip-remove:hover {
    background: #fee2e2;
    color: #ef4444;
}

[data-theme="dark"] .history-chip-remove {
    background: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .history-chip-remove:hover {
    background: rgba(220, 38, 38, 0.2);
    color: #f87171;
}

.history-clear {
    margin-left: auto;
    background: transparent;
    border: 1px solid var(--color-border-light);
    border-radius: 999px;
    padding: 0.25rem 0.5rem;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: border-color 0.15s ease, color 0.15s ease;
}

.history-clear:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Dark Mode - Suggestions & History */
[data-theme="dark"] .suggestions {
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.55);
    border-color: rgba(255, 255, 255, 0.08);
    background: #1a1d21;
}

[data-theme="dark"] .suggestion-item {
    background: #1a1d21;
    color: var(--color-text);
}

[data-theme="dark"] .suggestion-item:hover,
[data-theme="dark"] .suggestion-item.active {
    background: #242830;
    color: #ffffff;
}

[data-theme="dark"] .suggestions-header {
    background: linear-gradient(90deg, #14181d 0%, #101318 100%);
    border-bottom-color: rgba(255, 255, 255, 0.08);
    color: var(--color-text-muted);
}

[data-theme="dark"] .suggestions-hint,
[data-theme="dark"] .suggestions-empty {
    border-top-color: rgba(255, 255, 255, 0.08);
    color: var(--color-text-muted);
}

[data-theme="dark"] .suggestion-icon {
    background: #242830;
    color: #9bbcff;
}

[data-theme="dark"] .suggestion-prefix {
    background: #242830;
    border-color: rgba(255, 255, 255, 0.08);
    color: var(--color-text-muted);
}

[data-theme="dark"] .suggestion-text {
    color: var(--color-text);
}

[data-theme="dark"] .search-history {
    background: #15181c;
    border-color: var(--color-border);
}

[data-theme="dark"] .history-chip {
    background: #1e2126;
    border-color: var(--color-border);
}

/* ============ Buttons ============ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--font-size-base);
    font-family: inherit;
    font-weight: 500;
    border: var(--border-width) solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

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

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

.btn-stop {
    background-color: #d33;
    border-color: #d33;
    color: white;
}

.btn-stop:hover:not(:disabled) {
    background-color: #b32424;
    border-color: #b32424;
}

/* ============ Status Message ============ */
.status-message {
    padding: var(--space-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--space-lg);
    text-align: center;
}

.status-message.loading {
    background-color: #eaf3ff;
    border: var(--border-width) solid #2a4b8d;
    color: #2a4b8d;
}

.status-message.error {
    background-color: #fee7e6;
    border: var(--border-width) solid var(--color-danger);
    color: var(--color-danger);
}

.status-message.success {
    background-color: #d5fdf4;
    border: var(--border-width) solid var(--color-success);
    color: var(--color-success);
}

/* Progress Bar */
.progress {
    margin: 0 0 var(--space-lg);
    padding: var(--space-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: 8px;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.06);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.progress-label {
    font-weight: 600;
    color: var(--color-text);
}

.progress-percent {
    font-variant-numeric: tabular-nums;
}

.progress-track {
    width: 100%;
    height: 8px;
    background: #e7ebf2;
    border-radius: 999px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #6b9eff 0%, #3366cc 100%);
    border-radius: inherit;
    transition: width 0.4s ease;
}

.progress-detail {
    margin-top: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

[data-theme="dark"] .progress {
    background: #1b1f24;
    border-color: var(--color-border);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.45);
}

[data-theme="dark"] .progress-track {
    background: #2a2f36;
}

/* ============ Statistics ============ */
.statistics-section {
    margin-bottom: var(--space-xl);
}

.statistics-section h2 {
    margin: 0 0 var(--space-md);
    font-size: var(--font-size-xl);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.stats-layout {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-xl);
    align-items: start;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    grid-auto-rows: 1fr;
}

.stat-card {
    background: var(--color-surface);
    border: var(--border-width) solid var(--color-border-light);
    border-radius: 6px;
    padding: var(--space-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 120px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.stat-icon {
    font-size: 2rem;
    opacity: 0.1;
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
}

.stat-value {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
    position: relative;
}

.stat-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
    position: relative;
}

.stat-success .stat-value {
    color: var(--color-success);
}

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

.stat-info .stat-value {
    color: var(--color-primary);
}

/* ============ Tabs ============ */
.tabs {
    display: flex;
    border-bottom: var(--border-width) solid var(--color-border-light);
    margin-bottom: var(--space-md);
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-md);
    flex-wrap: wrap;
}

.page-info {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    min-width: 110px;
    text-align: center;
}

.tab-btn {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--font-size-base);
    font-family: inherit;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.tab-btn:hover {
    color: var(--color-text);
}

.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

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

.badge {
    display: inline-block;
    padding: 0.1em 0.5em;
    font-size: var(--font-size-sm);
    background: var(--color-bg);
    border-radius: 10px;
    margin-left: var(--space-xs);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ============ Data Tables ============ */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-surface);
    border: var(--border-width) solid var(--color-border-light);
}

.data-table th,
.data-table td {
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    border-bottom: var(--border-width) solid var(--color-border-light);
}

.data-table th {
    background: var(--color-bg);
    font-weight: 600;
    color: var(--color-text);
}

.data-table tr:hover {
    background: #f0f4f8;
}

.data-table td:first-child {
    width: 50px;
    color: var(--color-text-muted);
}

.data-table .file-link {
    word-break: break-word;
}

.data-table .depicts-cell {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.empty-message {
    text-align: center;
    padding: var(--space-xl);
    color: var(--color-text-muted);
    font-style: italic;
}

/* ============ Footer ============ */
.footer {
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: var(--border-width) solid var(--color-border-light);
    text-align: center;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.footer p {
    margin: var(--space-xs) 0;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-md);
}

.footer-link {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: color 0.15s ease;
    cursor: pointer;
}

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

/* ============ Info Modal ============ */
.info-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

.info-modal-content {
    position: relative;
    z-index: 1;
    background: var(--color-surface);
    border-radius: 8px;
    max-width: 560px;
    width: 100%;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
    animation: modalSlideIn 0.25s ease;
}

.info-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--color-border-light);
    flex-shrink: 0;
}

.info-modal-header h3 {
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
}

.info-modal-close {
    background: none;
    border: 1px solid var(--color-border-light);
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--color-text-muted);
    flex-shrink: 0;
    transition: all 0.2s;
}

.info-modal-close:hover {
    background: var(--color-bg);
    color: var(--color-text);
    border-color: var(--color-border);
}

.info-modal-body {
    padding: var(--space-lg);
    overflow-y: auto;
    color: var(--color-text);
    font-size: var(--font-size-base);
    line-height: 1.6;
}

.info-modal-body h4 {
    margin: var(--space-lg) 0 var(--space-sm);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
}

.info-modal-body h4:first-child {
    margin-top: 0;
}

.info-modal-body p {
    margin: 0 0 var(--space-md);
    color: var(--color-text-muted);
}

.info-modal-body a {
    color: var(--color-link);
}

.info-modal-body a:hover {
    color: var(--color-link-hover);
}

.info-modal-body ul {
    margin: 0 0 var(--space-md);
    padding-left: var(--space-lg);
    color: var(--color-text-muted);
}

.info-modal-body li {
    margin-bottom: var(--space-xs);
}

.info-modal-body .faq-q {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.info-modal-body .faq-a {
    margin: 0 0 var(--space-lg);
    color: var(--color-text-muted);
}

.info-modal-body .contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: 6px;
    margin-bottom: var(--space-sm);
    text-decoration: none;
    color: var(--color-text);
    transition: border-color 0.15s ease;
}

.info-modal-body .contact-item:hover {
    border-color: var(--color-primary);
}

.info-modal-body .contact-item i {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
    margin-top: 2px;
}

.info-modal-body .contact-label {
    font-weight: 500;
    color: var(--color-text);
    display: block;
}

.info-modal-body .contact-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

[data-theme="dark"] .info-modal-content {
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .info-modal-body .contact-item {
    background: rgba(255, 255, 255, 0.03);
}

/* ============ History Dashboard ============ */
.history-section {
    margin-top: var(--space-xl);
    padding: var(--space-lg);
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 12px;
    border: 1px solid var(--color-border-light);
}

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

.history-header h2 {
    margin: 0;
    font-size: var(--font-size-xl);
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.history-header h2 i {
    color: var(--color-primary);
}

.history-subtitle {
    margin: 0 0 var(--space-lg) 0;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

/* History Summary Bar */
.history-summary {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-md) var(--space-lg);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 8px;
    margin-bottom: var(--space-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    flex-wrap: wrap;
}

.summary-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.summary-item i {
    color: var(--color-primary);
    font-size: 1rem;
}

.summary-item span {
    font-weight: 700;
    color: var(--color-text);
    font-size: var(--font-size-lg);
}

/* History Filter Controls */
.history-controls {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    justify-content: space-between;
    align-items: center;
}

.control-group {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    align-items: center;
}

.search-control {
    position: relative;
    flex: 1;
    min-width: 200px;
}

.search-control i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.history-search-input {
    width: 100%;
    padding: var(--space-sm) var(--space-sm) var(--space-sm) 36px;
    border: 1px solid var(--color-border-light);
    border-radius: 6px;
    font-size: var(--font-size-sm);
    background: var(--color-surface);
    color: var(--color-text);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.history-search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(51, 102, 204, 0.15);
}

.history-search-input::placeholder {
    color: var(--color-text-muted);
}

.select-control {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.select-control label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.history-select {
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--color-border-light);
    border-radius: 6px;
    font-size: var(--font-size-sm);
    background: var(--color-surface);
    color: var(--color-text);
    cursor: pointer;
    min-width: 140px;
    transition: border-color 0.2s;
}

.history-select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.history-select:hover {
    border-color: var(--color-primary);
}

.history-results-count {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.history-results-count:empty {
    display: none;
}

/* Dark mode overrides for controls */
[data-theme="dark"] .history-search-input {
    background: #1e2126;
    border-color: var(--color-border);
}

[data-theme="dark"] .history-select {
    background: #1e2126;
    border-color: var(--color-border);
}

/* History Grid */
.history-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-md);
}

/* History Card */
.history-card {
    background: var(--color-surface);
    border-radius: 10px;
    padding: var(--space-lg);
    border: 1px solid var(--color-border-light);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.history-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-success));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.history-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-color: var(--color-primary);
}

.history-card:hover::before {
    transform: scaleX(1);
}

/* History Skeletons */
.history-skeleton {
    cursor: default;
    border-color: transparent;
    position: relative;
    overflow: hidden;
}

.history-skeleton::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.0), rgba(0, 0, 0, 0.05), rgba(255, 255, 255, 0.0));
    animation: shimmer 1.2s infinite;
}

.history-skeleton-line,
.history-skeleton-bar,
.history-skeleton-chip {
    background: #e3e7ee;
    border-radius: 6px;
    height: 12px;
    margin-bottom: var(--space-sm);
}

.history-skeleton-bar {
    height: 8px;
    width: 100%;
}

.history-skeleton-actions {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.history-skeleton-chip {
    height: 28px;
    flex: 1;
}

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

[data-theme="dark"] .history-skeleton-line,
[data-theme="dark"] .history-skeleton-bar,
[data-theme="dark"] .history-skeleton-chip {
    background: #2a3036;
}

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

.history-card-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
    word-break: break-word;
    flex: 1;
}

.history-card-title i {
    color: var(--color-primary);
    margin-right: var(--space-xs);
}

.history-card-coverage {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-success);
    margin-left: var(--space-md);
    white-space: nowrap;
}

.history-card-coverage.low {
    color: var(--color-danger);
}

.history-card-coverage.medium {
    color: var(--color-warning);
}

.history-card-coverage.high {
    color: var(--color-success);
}

/* Coverage Progress Bar */
.coverage-bar-container {
    background: #e9ecef;
    border-radius: 10px;
    height: 8px;
    margin-bottom: var(--space-md);
    overflow: hidden;
}

.coverage-bar {
    height: 100%;
    border-radius: 10px;
    background: linear-gradient(90deg, var(--color-success) 0%, #28a745 100%);
    transition: width 0.8s ease-out;
}

.coverage-bar.low {
    background: linear-gradient(90deg, var(--color-danger) 0%, #dc3545 100%);
}

.coverage-bar.medium {
    background: linear-gradient(90deg, var(--color-warning) 0%, #ffc107 100%);
}

/* History Card Stats */
.history-card-stats {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.history-card-stat {
    display: flex;
    align-items: center;
    gap: 4px;
}

.history-card-stat i {
    font-size: 0.75rem;
}

.stat-with {
    color: var(--color-success);
}

.stat-without {
    color: var(--color-warning);
}

/* History Card Actions */
.history-card-actions {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border-light);
}

.history-card-action {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-sm);
    border: 1px solid var(--color-border-light);
    background: transparent;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    color: var(--color-text-muted);
    text-decoration: none;
}

.history-card-action:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    text-decoration: none;
}

.history-card-action.danger:hover {
    background: var(--color-danger);
    border-color: var(--color-danger);
}

/* History Empty State */
.history-empty {
    text-align: center;
    padding: var(--space-xl) var(--space-lg);
    color: var(--color-text-muted);
    font-size: var(--font-size-lg);
}

.history-empty i {
    display: block;
    font-size: 3rem;
    margin-bottom: var(--space-md);
    color: var(--color-border);
}

/* Secondary Button */
.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: white;
}

/* ============ Modal Dialog ============ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: modalFadeIn 0.2s ease-out;
}

.modal.hidden {
    display: none;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(-20px);
    }

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

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--color-surface);
    border-radius: 16px;
    padding: var(--space-xl);
    max-width: 420px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    text-align: center;
    animation: modalSlideIn 0.3s ease-out;
}

.modal-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-md);
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-icon i {
    font-size: 28px;
    color: var(--color-danger);
}

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 var(--space-sm) 0;
}

.modal-category-name {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-primary);
    margin: 0 0 var(--space-md) 0;
    word-break: break-word;
}

.modal-message {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    margin: 0 0 var(--space-sm) 0;
    line-height: 1.5;
}

.modal-warning {
    font-size: var(--font-size-sm);
    color: var(--color-warning);
    margin: 0 0 var(--space-lg) 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
}

.modal-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
}

.modal-btn {
    flex: 1;
    padding: var(--space-md) var(--space-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    transition: all 0.2s ease;
}

.modal-btn-cancel {
    background: #f3f4f6;
    color: var(--color-text-muted);
}

.modal-btn-cancel:hover {
    background: #e5e7eb;
    color: var(--color-text);
}

.modal-btn-delete {
    background: linear-gradient(135deg, var(--color-danger) 0%, #b91c1c 100%);
    color: white;
}

.modal-btn-delete:hover {
    background: linear-gradient(135deg, #b91c1c 0%, #991b1b 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.4);
}

/* ============ Toast Notifications ============ */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column-reverse;
    gap: var(--space-sm);
    max-width: 400px;
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--color-surface);
    border-radius: 10px;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
    border-left: 4px solid var(--color-primary);
    animation: toastSlideIn 0.3s ease-out;
    max-width: 100%;
}

.toast i {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.toast-message {
    flex: 1;
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

.toast-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    opacity: 0.5;
    transition: opacity 0.2s;
    color: var(--color-text);
}

.toast-close:hover {
    opacity: 1;
}

.toast-success {
    border-left-color: var(--color-success);
}

.toast-success i {
    color: var(--color-success);
}

.toast-error {
    border-left-color: var(--color-danger);
}

.toast-error i {
    color: var(--color-danger);
}

.toast-warning {
    border-left-color: var(--color-warning);
}

.toast-warning i {
    color: var(--color-warning);
}

.toast-info {
    border-left-color: var(--color-primary);
}

.toast-info i {
    color: var(--color-primary);
}

.toast-fade-out {
    animation: toastFadeOut 0.3s ease-out forwards;
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }

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

@keyframes toastFadeOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }

    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

/* Dark mode toast adjustments */
[data-theme="dark"] .toast {
    background: #2a2f36;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.45);
}

/* ============ Chart Visualization ============ */
.chart-container {
    padding: var(--space-md);
    background: var(--color-surface);
    border-radius: 6px;
    border: var(--border-width) solid var(--color-border-light);
    width: 300px;
    height: 100%;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.chart-container canvas {
    max-width: 100%;
    max-height: 100%;
}

[data-theme="dark"] .chart-container {
    background: #1e2126;
    border-color: var(--color-border);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

/* ============ Export Buttons ============ */
.export-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: var(--border-width) solid var(--color-border-light);
}

.btn-export {
    background: linear-gradient(135deg, var(--color-primary) 0%, #2952a3 100%);
    color: white;
    border: none;
    padding: var(--space-md) var(--space-lg);
    border-radius: 8px;
    font-size: var(--font-size-base);
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(51, 102, 204, 0.2);
}

.btn-export:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(51, 102, 204, 0.3);
}

.btn-export i {
    font-size: 1.1rem;
}

/* ============ Language Selector ============ */
.language-select {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--color-border-light);
    border-radius: 6px;
    background: var(--color-surface);
    color: var(--color-text);
    font-size: var(--font-size-base);
    cursor: pointer;
    transition: border-color 0.2s;
}

.language-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(51, 102, 204, 0.15);
}

.language-select:hover {
    border-color: var(--color-primary);
}

[data-theme="dark"] .language-select {
    background: #1e2126;
    border-color: var(--color-border);
}

/* ============ Image Thumbnails ============ */
.thumbnail-cell {
    width: 70px;
    padding: 4px !important;
    text-align: center;
    vertical-align: middle;
}

.file-thumbnail {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid var(--color-border-light);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    background: var(--color-bg);
}

.file-thumbnail:hover {
    transform: scale(1.15);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 10;
    position: relative;
}

[data-theme="dark"] .file-thumbnail {
    border-color: var(--color-border);
    background: #2a2f36;
}

/* ============ File Preview Modal ============ */
.file-preview-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

.file-preview-modal .modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.file-preview-content {
    position: relative;
    z-index: 1;
    background: var(--color-surface);
    border-radius: 12px;
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--color-border-light);
}

.preview-header h3 {
    margin: 0;
    font-size: var(--font-size-lg);
    color: var(--color-text);
    word-break: break-word;
    padding-right: var(--space-md);
}

.preview-close-btn {
    background: none;
    border: 1px solid var(--color-border-light);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--color-text-muted);
    flex-shrink: 0;
    transition: all 0.2s;
}

.preview-close-btn:hover {
    background: var(--color-bg);
    color: var(--color-text);
    border-color: var(--color-border);
}

.preview-image-container {
    padding: var(--space-lg);
    text-align: center;
    background: var(--color-bg);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-image {
    max-width: 100%;
    max-height: 500px;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.preview-image-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    color: var(--color-text-muted);
}

.preview-image-loading .spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border-light);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.preview-details {
    padding: var(--space-lg);
}

.preview-meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.preview-meta-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.preview-meta-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

.preview-meta-value {
    font-size: var(--font-size-base);
    color: var(--color-text);
    word-break: break-word;
}

.preview-description {
    margin-bottom: var(--space-lg);
    padding: var(--space-md);
    background: var(--color-bg);
    border-radius: 6px;
    border: 1px solid var(--color-border-light);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    color: var(--color-text);
    max-height: 150px;
    overflow-y: auto;
}

.preview-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border-light);
}

.preview-action-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: 6px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: 1px solid var(--color-border-light);
    background: var(--color-surface);
    color: var(--color-text);
}

.preview-action-btn:hover {
    background: var(--color-bg);
    border-color: var(--color-border);
}

.preview-action-btn.primary {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.preview-action-btn.primary:hover {
    background: var(--color-primary-hover);
}

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

.preview-action-btn.success:hover {
    opacity: 0.9;
}

/* ============ Depicts Suggestions ============ */
.suggests-section {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border-light);
}

.suggests-section h4 {
    margin: 0 0 var(--space-md) 0;
    font-size: var(--font-size-base);
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.suggests-section h4 i {
    color: var(--color-primary);
}

.suggests-loading {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    padding: var(--space-md) 0;
}

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

.suggests-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.suggest-chip {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: 6px;
    transition: all 0.2s;
}

.suggest-chip:hover {
    border-color: var(--color-primary);
    background: #eef4ff;
}

.suggest-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.suggest-label {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-text);
}

.suggest-qid {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    font-family: monospace;
}

.suggest-desc {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 400px;
}

.suggest-copy-btn {
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: 4px;
    padding: 4px 10px;
    font-size: var(--font-size-sm);
    cursor: pointer;
    color: var(--color-text-muted);
    transition: all 0.2s;
    white-space: nowrap;
    flex-shrink: 0;
}

.suggest-copy-btn:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.suggest-copy-btn.copied {
    background: var(--color-success);
    color: white;
    border-color: var(--color-success);
}

.suggests-empty {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-style: italic;
    padding: var(--space-sm) 0;
}

.suggests-error {
    font-size: var(--font-size-sm);
    color: var(--color-danger);
    padding: var(--space-sm) 0;
}

/* Dark mode for preview modal */
[data-theme="dark"] .file-preview-content {
    background: #1e2126;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

[data-theme="dark"] .preview-header {
    border-color: var(--color-border);
}

[data-theme="dark"] .preview-close-btn:hover {
    background: #2a2f36;
}

[data-theme="dark"] .preview-image-container {
    background: #15181c;
}

[data-theme="dark"] .preview-description {
    background: #15181c;
    border-color: var(--color-border);
}

[data-theme="dark"] .preview-actions {
    border-color: var(--color-border);
}

[data-theme="dark"] .preview-action-btn {
    background: #2a2f36;
    border-color: var(--color-border);
}

[data-theme="dark"] .preview-action-btn:hover {
    background: #343940;
}

[data-theme="dark"] .suggest-chip {
    background: #15181c;
    border-color: var(--color-border);
}

[data-theme="dark"] .suggest-chip:hover {
    background: #1e2633;
    border-color: var(--color-primary);
}

[data-theme="dark"] .suggest-copy-btn {
    background: #2a2f36;
    border-color: var(--color-border);
}

[data-theme="dark"] .suggests-section {
    border-color: var(--color-border);
}

/* ============ Auth Header ============ */
.auth-section {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.auth-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0 12px;
    height: 32px;
    border-radius: 6px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    border: 1px solid var(--color-border-light);
    background: var(--color-surface);
    color: var(--color-text);
    white-space: nowrap;
}

.auth-btn:hover {
    background: var(--color-bg);
    border-color: var(--color-primary);
}

.auth-btn.logged-in {
    background: var(--color-success);
    color: white;
    border-color: var(--color-success);
}

.auth-username {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

[data-theme="dark"] .auth-btn {
    background: #2a2f36;
    border-color: var(--color-border);
}

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

.user-menu-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 4px 8px 4px 4px;
    height: 36px;
    border-radius: 18px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid var(--color-border-light);
    background: var(--color-surface);
    color: var(--color-text);
    white-space: nowrap;
}

.user-menu-btn:hover {
    border-color: var(--color-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

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

.user-avatar-wrap {
    position: relative;
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-avatar-icon {
    font-size: 26px;
    color: var(--color-primary);
    line-height: 1;
}

.user-avatar-img {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
    border: 1.5px solid var(--color-border-light);
}

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

.menu-arrow {
    font-size: 0.7rem;
    opacity: 0.6;
    transition: transform 0.2s ease;
}

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

/* User Dropdown Menu */
.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 280px;
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    z-index: 1000;
    overflow: hidden;
    animation: dropdownSlideIn 0.15s ease-out;
}

@keyframes dropdownSlideIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.user-dropdown.hidden {
    display: none;
}

.dropdown-header {
    padding: var(--space-md);
    background: linear-gradient(135deg, var(--color-bg) 0%, rgba(0, 0, 0, 0.02) 100%);
    border-bottom: 1px solid var(--color-border-light);
}

.dropdown-avatar-section {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.dropdown-avatar-wrap {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dropdown-avatar-icon {
    font-size: 46px;
    color: var(--color-primary);
    line-height: 1;
}

.dropdown-avatar-img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-border-light);
    display: block;
}

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

.dropdown-user-full {
    margin: 0;
    font-weight: 600;
    color: var(--color-text);
    font-size: var(--font-size-base);
    word-break: break-word;
}

.dropdown-user-role {
    margin: 2px 0 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.dropdown-divider {
    height: 1px;
    background: var(--color-border-light);
    margin: 0;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: none;
    border: none;
    color: var(--color-text);
    font-size: var(--font-size-sm);
    cursor: pointer;
    text-decoration: none;
    text-align: left;
    transition: all 0.15s ease;
    font-family: inherit;
}

.dropdown-item:hover {
    background: var(--color-bg);
    color: var(--color-primary);
}

.dropdown-item i {
    width: 18px;
    text-align: center;
    opacity: 0.7;
}

.dropdown-item:hover i {
    opacity: 1;
}

.logout-item {
    color: var(--color-danger);
}

.logout-item:hover {
    background: rgba(221, 51, 51, 0.08);
    color: #b32424;
}

.logout-item i {
    color: var(--color-danger);
}

/* Dark Mode - User Menu */
[data-theme="dark"] .user-menu-btn {
    background: #1e2126;
    border-color: var(--color-border);
}

[data-theme="dark"] .user-menu-btn:hover {
    border-color: var(--color-primary);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .user-dropdown {
    background: #1e2126;
    border-color: var(--color-border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .dropdown-header {
    background: linear-gradient(135deg, #242830 0%, #1a1d21 100%);
    border-bottom-color: var(--color-border);
}

[data-theme="dark"] .dropdown-item:hover {
    background: #242830;
}

[data-theme="dark"] .dropdown-divider {
    background: var(--color-border);
}

[data-theme="dark"] .logout-item:hover {
    background: rgba(220, 38, 38, 0.15);
}

/* ============ Responsive ============ */

/* Tablet */
@media (max-width: 768px) {
    .stats-layout {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .chart-container {
        width: 100%;
        max-width: 100%;
        height: auto;
        min-height: 260px;
        margin: 0 auto;
        padding: var(--space-md);
    }

    .history-grid {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    }

    .history-controls {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .control-group {
        width: 100%;
    }

    .select-control {
        flex: 1;
        min-width: 0;
    }

    .history-select {
        flex: 1;
        min-width: 0;
    }
}

/* Mobile */
@media (max-width: 600px) {
    .container {
        padding: var(--space-sm);
    }

    /* --- Header --- */
    .header {
        padding: var(--space-md) 0;
        gap: var(--space-sm);
    }

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

    .header-actions {
        margin-left: var(--space-sm);
    }

    .subtitle {
        display: none;
    }

    /* --- Search --- */
    .search-section {
        padding: var(--space-md);
    }

    .search-form {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .search-history {
        padding: var(--space-sm);
        gap: var(--space-xs);
    }

    .history-label {
        font-size: 0.75rem;
    }

    .history-chip {
        font-size: 0.75rem;
        padding: 0.2rem 0.6rem;
    }

    .history-clear {
        font-size: 0.75rem;
        margin-left: auto;
    }

    .suggestions {
        max-height: 200px;
    }

    /* --- Stats --- */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-sm);
    }

    .stat-card {
        padding: var(--space-md);
        min-height: 100px;
    }

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

    .export-buttons {
        flex-direction: column;
    }

    .btn-export {
        width: 100%;
    }

    /* --- Tabs & Tables --- */
    .tabs {
        gap: 0;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .tabs::-webkit-scrollbar {
        display: none;
    }

    .tab-btn {
        white-space: nowrap;
        flex-shrink: 0;
        padding: var(--space-sm) var(--space-md);
        font-size: var(--font-size-sm);
    }

    .results-section {
        overflow-x: auto;
    }

    .data-table {
        font-size: var(--font-size-sm);
        min-width: 480px;
    }

    .data-table th,
    .data-table td {
        padding: var(--space-xs) var(--space-sm);
    }

    .data-table td:first-child {
        width: 36px;
    }

    .pagination {
        gap: var(--space-xs);
    }

    /* --- History Section --- */
    .history-section {
        padding: var(--space-md);
        border-radius: 8px;
    }

    .history-header {
        flex-direction: row;
        align-items: center;
        gap: var(--space-sm);
    }

    .history-header h2 {
        font-size: var(--font-size-base);
    }

    .history-header .btn {
        width: auto;
        padding: var(--space-xs) var(--space-sm);
        font-size: var(--font-size-sm);
    }

    .history-summary {
        gap: var(--space-sm);
        padding: var(--space-sm) var(--space-md);
    }

    .summary-item {
        font-size: var(--font-size-sm);
    }

    .summary-item span {
        font-size: var(--font-size-base);
    }

    .history-controls {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .control-group {
        width: 100%;
        flex-direction: column;
        gap: var(--space-sm);
    }

    .select-control {
        width: 100%;
    }

    .select-control label {
        min-width: 52px;
    }

    .history-select {
        flex: 1;
        min-width: 0;
        width: 100%;
    }

    .search-control {
        min-width: 0;
        width: 100%;
    }

    .history-grid {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }

    .history-card {
        padding: var(--space-md);
        border-radius: 8px;
    }

    .history-card-header {
        margin-bottom: var(--space-sm);
    }

    .history-card-coverage {
        font-size: var(--font-size-xl);
        margin-left: var(--space-sm);
    }

    .history-card-stats {
        flex-direction: row;
        flex-wrap: wrap;
        gap: var(--space-sm);
    }

    .history-card-actions {
        flex-direction: row;
        gap: var(--space-xs);
        margin-top: var(--space-sm);
        padding-top: var(--space-sm);
    }

    .history-card-action {
        padding: var(--space-xs) var(--space-sm);
        font-size: 0.75rem;
    }

    /* --- Toast --- */
    .toast-container {
        left: 10px;
        right: 10px;
        bottom: 10px;
        max-width: calc(100% - 20px);
    }

    /* --- Footer --- */
    .footer {
        padding-top: var(--space-md);
        margin-top: var(--space-lg);
    }

    /* --- File Preview Modal --- */
    .file-preview-modal {
        padding: 0;
    }

    .file-preview-content {
        max-height: 100vh;
        border-radius: 0;
        height: 100%;
    }

    .preview-details {
        padding: var(--space-md);
    }

    .preview-image-container {
        padding: var(--space-md);
        min-height: 150px;
    }

    .preview-image {
        max-height: 300px;
    }

    .preview-meta-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-sm);
    }

    .preview-actions {
        flex-direction: column;
    }

    .preview-action-btn {
        width: 100%;
        justify-content: center;
    }

    /* --- Delete Modal --- */
    .modal-content {
        margin: var(--space-md);
        padding: var(--space-lg);
    }

    /* --- Info Modal --- */
    .info-modal {
        padding: 0;
    }

    .info-modal-content {
        max-height: 100vh;
        max-width: 100%;
        border-radius: 0;
        height: 100%;
    }

    .info-modal-body {
        padding: var(--space-md);
    }
}