/* ============================================
   Interactive Solar System - Main Stylesheet
   Supports RTL (Hebrew) and LTR (English)
   ============================================ */

:root {
    --color-bg: #0a0e1a;
    --color-bg-secondary: #111827;
    --color-surface: #1a2235;
    --color-surface-hover: #243047;
    --color-primary: #3b82f6;
    --color-primary-hover: #2563eb;
    --color-secondary: #8b5cf6;
    --color-accent: #f59e0b;
    --color-accent-hover: #d97706;
    --color-text: #f1f5f9;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    --color-border: #2d3748;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --font-hebrew: 'Heebo', sans-serif;
    --font-english: 'Nunito', sans-serif;
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --tap-target: 44px;
}

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

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

body {
    font-family: var(--font-hebrew);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
}

body[dir="ltr"] {
    font-family: var(--font-english);
}

/* Accessibility - Skip Link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: white;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 700;
    z-index: 10000;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 20px;
}

/* Header */
.site-header {
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 24px;
    padding-top: max(16px, env(safe-area-inset-top));
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.site-title {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

body[dir="ltr"] .site-title {
    font-size: 1.75rem;
}

/* Language Toggle */
.lang-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 10px 18px;
    color: var(--color-text);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    min-height: var(--tap-target);
    transition: all var(--transition-fast);
}

.lang-toggle:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-primary);
}

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

.lang-separator {
    color: var(--color-text-muted);
}

.lang-alt {
    color: var(--color-text-secondary);
}

/* Main Content */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
    min-height: calc(100vh - 200px);
}

/* Views */
.view {
    display: none;
    animation: fadeIn var(--transition-base);
}

.view.active {
    display: block;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: var(--tap-target);
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    text-decoration: none;
}

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

.btn-primary {
    background: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
}

.btn-control {
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    padding: 10px 18px;
    font-size: 0.9rem;
    font-weight: 600;
}

.btn-control:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-primary);
}

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

.btn-compare:hover {
    background: var(--color-accent-hover);
}

.btn-back {
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.btn-back:hover {
    background: var(--color-surface);
    color: var(--color-text);
}

.btn-expand {
    background: transparent;
    color: var(--color-primary);
    border: 1px dashed var(--color-primary);
    width: 100%;
    margin-top: 16px;
}

.btn-expand:hover {
    background: rgba(59, 130, 246, 0.1);
}

/* Gallery View */
.gallery-header {
    text-align: center;
    margin-bottom: 32px;
}

.gallery-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 8px;
}

.gallery-subtitle {
    color: var(--color-text-secondary);
    font-size: 1rem;
}

/* Solar System Info Card */
.solar-info-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 28px;
    margin-top: 32px;
    box-shadow: var(--shadow-md);
}

.solar-info-header {
    text-align: center;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--color-border);
}

.solar-info-title {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--color-accent);
    margin-bottom: 8px;
}

.solar-info-subtitle {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.solar-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
    gap: 20px;
}

.solar-info-item {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 20px;
    transition: border-color var(--transition-fast);
}

.solar-info-item:hover {
    border-color: var(--color-primary);
}

.solar-info-item-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 12px;
}

.solar-info-icon {
    font-size: 1.35rem;
    line-height: 1;
    flex-shrink: 0;
}

.solar-info-item-text {
    color: var(--color-text-secondary);
    font-size: 0.92rem;
    line-height: 1.65;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
    gap: 24px;
}

/* Gallery Cards */
.gallery-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    touch-action: manipulation;
}

.card-image-wrap {
    width: 100%;
    height: 200px;
    background: var(--card-bg, var(--color-bg-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.card-image-wrap[data-letter]::after {
    content: attr(data-letter);
    position: absolute;
    font-size: 4rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.35);
    pointer-events: none;
}

.card-image-wrap .card-image.img-failed {
    opacity: 0;
}

.gallery-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

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

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    background: var(--color-bg-secondary);
}

.card-content {
    padding: 20px;
}

.card-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--color-text);
}

.card-name-en {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    font-weight: 400;
}

.card-category {
    display: inline-block;
    background: rgba(59, 130, 246, 0.15);
    color: var(--color-primary);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-top: 8px;
}

/* Detail View */
.detail-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: start;
}

.model-section {
    position: sticky;
    top: 100px;
}

.three-container {
    width: 100%;
    aspect-ratio: 1;
    max-height: min(70vh, 560px);
    background: var(--color-bg-secondary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    position: relative;
    border: 1px solid var(--color-border);
    touch-action: none;
}

.three-container canvas {
    width: 100% !important;
    height: 100% !important;
    display: block;
}

.model-fallback {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    text-align: center;
    background: var(--color-bg-secondary);
}

.model-fallback img {
    max-width: 60%;
    max-height: 60%;
    object-fit: contain;
    margin-bottom: 16px;
}

.model-fallback p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.model-controls {
    display: flex;
    gap: 12px;
    margin-top: 16px;
    flex-wrap: wrap;
}

/* Info Section */
.info-section {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 28px;
}

.object-header {
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--color-border);
}

.object-name {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 8px;
    color: var(--color-text);
}

.object-category {
    display: inline-block;
    background: rgba(139, 92, 246, 0.15);
    color: var(--color-secondary);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.facts-panel h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-accent);
}

.facts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.fact-item {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 16px;
    transition: all var(--transition-fast);
}

.fact-item:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.fact-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 4px;
    letter-spacing: 0.05em;
}

.fact-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text);
}

.fact-unit {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    font-weight: 400;
}

/* Extended Panel */
.extended-panel {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
    animation: slideDown var(--transition-base);
}

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

@keyframes slideDown {
    from { opacity: 0; max-height: 0; }
    to { opacity: 1; max-height: 2000px; }
}

.extended-section {
    margin-bottom: 24px;
}

.extended-section h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: 10px;
}

.extended-section p,
.extended-section li {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

.extended-section ul {
    padding-right: 20px;
}

body[dir="ltr"] .extended-section ul {
    padding-right: 0;
    padding-left: 20px;
}

.reference-links {
    margin: 0;
}

.reference-link {
    color: var(--color-secondary);
    font-weight: 600;
    text-decoration: none;
}

.reference-link:hover,
.reference-link:focus {
    text-decoration: underline;
}

/* Comparison View */
.comparison-layout {
    max-width: 1000px;
    margin: 0 auto;
}

.comparison-header {
    text-align: center;
    margin-bottom: 32px;
}

.comparison-header h2 {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.comparison-selectors {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.compare-select {
    min-height: var(--tap-target);
    padding: 10px 16px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    color: var(--color-text);
    font-family: inherit;
    font-size: 1rem;
    min-width: 200px;
    cursor: pointer;
}

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

.comparison-visual {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    margin-bottom: 24px;
}

.compare-canvas-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    direction: ltr;
}

#compare-canvas {
    width: 100%;
    height: 400px;
    position: relative;
}

#compare-canvas canvas {
    width: 100% !important;
    height: 100% !important;
}

.compare-labels {
    display: flex;
    justify-content: space-around;
    width: 100%;
    gap: 20px;
    direction: ltr; /* match 3D canvas: object 1 left, object 2 right */
}

.compare-label {
    text-align: center;
    flex: 1;
}

.compare-label .label-name {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.compare-label .label-size {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.comparison-facts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
}

.comparison-fact-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 20px;
}

.comparison-fact-card h4 {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 8px;
    font-weight: 600;
}

.comparison-fact-card .fact-compare-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-accent);
}

/* Orrery Launch Button */
.orrery-launch-btn {
    margin-top: 16px;
    font-size: 1.05rem;
    padding: 14px 32px;
    border-radius: 30px;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.35);
    transition: all var(--transition-base);
}

.orrery-launch-btn:hover {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 6px 28px rgba(59, 130, 246, 0.5);
}

/* Orrery View */
.orrery-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.orrery-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
}

.orrery-container {
    width: 100%;
    height: clamp(320px, calc(100vh - 220px), 720px);
    height: clamp(320px, calc(100dvh - 220px), 720px);
    min-height: 320px;
    background: var(--color-bg-secondary);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
    position: relative;
    touch-action: none;
}

.orrery-container canvas {
    width: 100% !important;
    height: 100% !important;
    display: block;
}

/* Orrery Labels (floating over canvas) */
.orrery-labels {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.orrery-label {
    position: absolute;
    color: rgba(200, 210, 230, 0.8);
    font-size: 0.7rem;
    font-weight: 600;
    white-space: nowrap;
    transform: translateX(-50%);
    text-shadow: 0 0 6px rgba(0, 0, 0, 0.9), 0 1px 3px rgba(0, 0, 0, 0.7);
    pointer-events: none;
    letter-spacing: 0.03em;
}

/* Orrery Tooltip */
.orrery-tooltip {
    position: absolute;
    background: rgba(26, 34, 53, 0.92);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 10px 14px;
    font-size: 0.88rem;
    color: var(--color-text);
    pointer-events: none;
    opacity: 0;
    transition: opacity 120ms ease;
    z-index: 10;
    white-space: nowrap;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(6px);
}

.orrery-tooltip.visible {
    opacity: 1;
}

.orrery-tooltip span {
    color: var(--color-text-muted);
    font-size: 0.75rem;
}

/* Orrery Controls (bottom bar) */
.orrery-controls {
    position: absolute;
    bottom: max(16px, env(safe-area-inset-bottom));
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    max-width: calc(100% - 24px);
    background: rgba(17, 24, 39, 0.82);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 8px 14px;
    z-index: 5;
}

.orrery-ctrl-btn {
    min-height: 36px;
    min-width: 36px;
    padding: 4px 8px;
    font-size: 1.15rem;
    line-height: 1;
}

.orrery-accurate-btn {
    font-size: 0.82rem;
    padding: 6px 14px;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.orrery-accurate-btn.active {
    background: rgba(59, 130, 246, 0.22);
    border-color: var(--color-primary);
    color: var(--color-primary);
    box-shadow: 0 0 8px rgba(59, 130, 246, 0.25);
}

.orrery-speed-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: default;
}

.orrery-speed-icon {
    color: var(--color-text-secondary);
    font-size: 0.78rem;
    font-weight: 600;
}

.orrery-speed-slider {
    width: 90px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.orrery-speed-label {
    color: var(--color-text-secondary);
    font-size: 0.8rem;
    font-weight: 600;
    min-width: 30px;
    text-align: center;
}

/* Orrery Hint (top overlay) */
.orrery-hint {
    position: absolute;
    top: 14px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-text-muted);
    font-size: 0.78rem;
    background: rgba(17, 24, 39, 0.6);
    backdrop-filter: blur(4px);
    padding: 6px 18px;
    border-radius: 20px;
    white-space: normal;
    text-align: center;
    max-width: calc(100% - 32px);
    z-index: 5;
    pointer-events: none;
    border: 1px solid rgba(45, 55, 72, 0.4);
}

@media (max-width: 768px) {
    .orrery-container {
        height: clamp(280px, calc(100dvh - 280px), 520px);
        min-height: 280px;
    }

    .orrery-header {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .orrery-header .btn-back {
        align-self: flex-start;
        margin-bottom: 0;
    }

    .orrery-hint {
        font-size: 0.68rem;
        padding: 5px 12px;
        line-height: 1.35;
    }

    .orrery-controls {
        padding: 6px 10px;
        gap: 8px;
        width: calc(100% - 16px);
    }

    .orrery-accurate-btn {
        font-size: 0.75rem;
        padding: 6px 10px;
    }

    .orrery-speed-wrap {
        flex: 1 1 100%;
        justify-content: center;
    }

    .orrery-speed-slider {
        flex: 1;
        max-width: 120px;
        min-width: 80px;
    }
}

/* Tablet & small laptop */
@media (max-width: 1024px) {
    .detail-layout {
        grid-template-columns: 1fr;
    }
    
    .model-section {
        position: relative;
        top: 0;
    }
    
    .facts-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    .main-content {
        padding: 16px;
        padding-bottom: max(16px, env(safe-area-inset-bottom));
    }

    .site-header {
        padding: 12px 16px;
        padding-top: max(12px, env(safe-area-inset-top));
    }

    .header-content {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .site-title {
        font-size: 1.15rem;
        line-height: 1.3;
        text-align: center;
    }

    body[dir="ltr"] .site-title {
        font-size: 1.25rem;
    }

    .lang-toggle {
        width: 100%;
        justify-content: center;
    }

    .gallery-header h2 {
        font-size: 1.25rem;
    }

    .solar-info-card {
        padding: 20px 16px;
        margin-top: 24px;
    }

    .solar-info-title {
        font-size: 1.15rem;
    }

    .solar-info-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .solar-info-item {
        padding: 16px;
    }

    .orrery-launch-btn {
        width: 100%;
        max-width: 360px;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(min(100%, 160px), 1fr));
        gap: 12px;
    }

    .card-image-wrap {
        height: 140px;
    }

    .card-content {
        padding: 14px;
    }

    .card-name {
        font-size: 1.05rem;
    }
    
    .object-name {
        font-size: 1.5rem;
    }
    
    .info-section {
        padding: 18px;
    }
    
    .comparison-selectors {
        flex-direction: column;
        width: 100%;
    }
    
    .compare-select {
        width: 100%;
        max-width: none;
        min-width: 0;
    }
    
    .comparison-visual {
        padding: 16px;
    }
    
    #compare-canvas {
        height: min(50vw, 280px);
        min-height: 220px;
    }
    
    .model-controls {
        justify-content: stretch;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .model-controls .btn-compare {
        grid-column: 1 / -1;
    }
    
    .compare-labels {
        flex-direction: column;
        gap: 12px;
    }

    .detail-layout {
        gap: 20px;
    }

    .three-container {
        max-height: min(55vw, 360px);
    }
}

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

    .gallery-card:hover {
        transform: none;
    }
    
    .facts-grid {
        grid-template-columns: 1fr;
    }
    
    .model-controls {
        grid-template-columns: 1fr;
    }

    .model-controls .btn {
        width: 100%;
    }

    .orrery-launch-btn:hover {
        transform: none;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    }
}

/* Footer */
.site-footer {
    text-align: center;
    padding: 24px;
    padding-bottom: max(24px, env(safe-area-inset-bottom));
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-top: 40px;
}

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

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --color-text: #ffffff;
        --color-text-secondary: #e0e0e0;
        --color-border: #ffffff;
        --color-surface: #000000;
    }
}