/* ==========================================================================
   Variables CSS
   ========================================================================== */
:root {
    /* Couleurs — Vert Sauge & Crème */
    --primary-color: #8FBC8F;
    --primary-dark: #2E7D32;
    --secondary-color: #5D4E37;
    --background-color: #1a1a17;
    --text-light: #F5F0E8;
    --text-dark: #2c2c24;
    --text-muted: #a09882;
    --overlay-light: rgba(0, 0, 0, 0.3);
    --overlay-dark: rgba(0, 0, 0, 0.7);
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(245, 240, 232, 0.15);
    
    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Bordures */
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 20px;
    
    /* Ombres */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-index */
    --z-header: 100;
    --z-nav: 200;
    --z-player: 150;
    --z-modal: 1000;
    --z-loading: 9999;
}

/* ==========================================================================
   Reset et base
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-light);
    background: var(--background-color);
    overflow-x: hidden;
    min-height: 100vh;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

/* ==========================================================================
   Animations (définies tôt pour être réutilisées)
   ========================================================================== */
@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(100%);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInDay {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.8);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes dayChange {
    0% { transform: scale(1); }
    50% { transform: scale(1.15); opacity: 0.8; }
    100% { transform: scale(1); opacity: 1; }
}

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

@keyframes slideUpMobile {
    from {
        transform: translateX(-50%) translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
}

/* ==========================================================================
   Loading Screen
   ========================================================================== */
.loading-screen {
    position: fixed;
    inset: 0;
    background: var(--background-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: var(--z-loading);
    transition: opacity var(--transition-slow);
}

.loading-screen.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--glass-border);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-lg);
}

.loading-screen p {
    color: var(--text-light);
    font-size: 1.1rem;
    opacity: 0.8;
}

/* ==========================================================================
   Header
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    z-index: var(--z-header);
    transition: transform var(--transition-normal);
}

.header.hidden {
    transform: translateY(-100%);
}

.header-content {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    max-width: 1400px;
    margin: 0 auto;
    gap: var(--spacing-md);
}

.header-left {
    justify-self: start;
}

.header-center {
    justify-self: center;
}

.header-right {
    justify-self: end;
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.site-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-light);
    margin: 0;
}

.menu-toggle,
.control-btn {
    width: 44px;
    height: 44px;
    border-radius: var(--border-radius-sm);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.menu-toggle:hover,
.control-btn:hover {
    background: var(--primary-color);
    transform: scale(1.05);
}

.progress-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--glass-border);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    width: 0%;
    transition: width var(--transition-normal);
}

/* ==========================================================================
   Compact Music Player in Header
   ========================================================================== */
.music-player-compact {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    min-width: 280px;
    max-width: 400px;
}

.player-controls-compact {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.player-btn-compact {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    font-size: 0.8rem;
    cursor: pointer;
}

.player-btn-compact:hover {
    background: var(--primary-color);
    transform: scale(1.05);
}

.play-btn-compact {
    width: 36px;
    height: 36px;
    background: var(--primary-color);
    border-color: var(--primary-dark);
    font-size: 0.9rem;
}

.play-btn-compact:hover {
    background: var(--primary-dark);
}

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

.track-name-compact {
    color: var(--text-light);
    font-size: 0.8rem;
    font-weight: 500;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}

.player-progress-compact {
    width: 100%;
    height: 3px;
    background: var(--glass-border);
    border-radius: 2px;
    overflow: hidden;
    cursor: pointer;
}

.progress-track-compact {
    width: 100%;
    height: 100%;
    background: var(--glass-border);
    position: relative;
}

.progress-thumb-compact {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    width: 0%;
    transition: width 0.1s ease;
}

.player-volume-compact {
    display: flex;
    align-items: center;
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.nav-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--glass-border);
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
    z-index: var(--z-nav);
    overflow-y: auto;
}

.nav-menu.open {
    transform: translateX(0);
}

.nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--glass-border);
}

.nav-header h2 {
    color: var(--text-light);
    font-size: 1.2rem;
    font-weight: 600;
}

.nav-close {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-sm);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.nav-close:hover {
    background: var(--primary-color);
}

/* Hierarchical Navigation Tree */
.nav-tree {
    padding: 0;
}

.nav-tree-item {
    margin-bottom: var(--spacing-xs);
}

.nav-tree-parent {
    display: flex;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-light);
    text-decoration: none;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
    cursor: pointer;
    align-items: center;
    justify-content: space-between;
}

.nav-tree-parent:hover,
.nav-tree-parent.active {
    background: var(--primary-color);
    border-color: var(--primary-dark);
    transform: translateX(3px);
}

.nav-tree-parent .expand-icon {
    transition: transform var(--transition-fast);
    font-size: 0.8rem;
}

.nav-tree-parent.expanded .expand-icon {
    transform: rotate(90deg);
}

.nav-tree-children {
    margin-top: var(--spacing-xs);
    margin-left: var(--spacing-md);
    padding-left: var(--spacing-md);
    border-left: 2px solid var(--glass-border);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.nav-tree-children.expanded {
    max-height: 1000px;
}

.nav-tree-child {
    display: block;
    padding: var(--spacing-xs) var(--spacing-sm);
    color: var(--text-light);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    opacity: 0.8;
    transition: all var(--transition-fast);
    margin-bottom: var(--spacing-xs);
    border: 1px solid transparent;
}

.nav-tree-child:hover,
.nav-tree-child.active {
    background: var(--glass-bg);
    border-color: var(--glass-border);
    opacity: 1;
    transform: translateX(3px);
}

.nav-tree-child.current {
    background: var(--primary-color);
    border-color: var(--primary-dark);
    opacity: 1;
    font-weight: 500;
}

.nav-tree-child-icon {
    margin-right: var(--spacing-xs);
    font-size: 0.7rem;
    opacity: 0.6;
}

/* Navigation item types */
.nav-tree-child.type-photo .nav-tree-child-icon::before { content: "📷"; }
.nav-tree-child.type-video .nav-tree-child-icon::before { content: "🎥"; }
.nav-tree-child.type-map .nav-tree-child-icon::before { content: "🗺️"; }
.nav-tree-child.type-text .nav-tree-child-icon::before { content: "📝"; }

/* Navigation Sections */
.nav-section {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--glass-border);
}

.nav-section:last-child {
    border-bottom: none;
}

.nav-section h3 {
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 600;
    margin: 0 0 var(--spacing-sm) 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.8;
}

.nav-audio-controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.volume-control {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.volume-control label {
    color: var(--text-light);
    font-size: 0.8rem;
    opacity: 0.8;
}

/* Legacy navigation support */
.nav-list {
    list-style: none;
    padding: var(--spacing-md);
}

.nav-item {
    margin-bottom: var(--spacing-xs);
}

.nav-link {
    display: block;
    padding: var(--spacing-md);
    color: var(--text-light);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.nav-link:hover,
.nav-link.active {
    background: var(--primary-color);
    border-color: var(--primary-dark);
    transform: translateX(5px);
}

/* ==========================================================================
   Main Content
   ========================================================================== */
.main-content {
    min-height: 100vh;
    padding-top: 80px;
    position: relative;
}

.page {
    position: relative;
    width: 100%;
    height: calc(100vh - 80px);
    overflow: hidden;
}

.page-background {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    z-index: 1;
}

.page-content {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.content-box {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    max-width: min(90%, 600px);
    width: 100%;
    box-shadow: var(--shadow-lg);
    animation: fadeInUp 0.6s ease-out;
}

.content-box h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--text-light);
    text-align: center;
}

.content-box h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-light);
    text-align: center;
}

.content-box h3 {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    color: var(--text-light);
    text-align: center;
}

.content-box p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    color: var(--text-light);
    text-align: justify;
}

.content-box p:last-child {
    margin-bottom: 0;
}

.content-box em {
    color: var(--primary-color);
    font-style: italic;
}

.content-box strong {
    font-weight: 600;
    color: var(--text-light);
}

/* ==========================================================================
   Page Navigation
   ========================================================================== */
.page-nav {
    position: fixed;
    bottom: 120px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: var(--z-header);
}

.page-nav-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    color: var(--text-light);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.page-nav-btn:hover:not(:disabled) {
    background: var(--primary-color);
    transform: scale(1.05);
}

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

.page-indicator {
    padding: 0 var(--spacing-md);
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 500;
}

/* ==========================================================================
   Modal Components
   ========================================================================== */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    max-width: 90vw;
    max-height: 90vh;
    width: 100%;
    box-shadow: var(--shadow-lg);
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal.show .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--glass-border);
}

.modal-header h3 {
    color: var(--text-light);
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0;
}

.modal-close {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-sm);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--primary-color);
}

.modal-body {
    padding: var(--spacing-lg);
}

.map-container {
    width: 100%;
    height: 60vh;
    min-height: 400px;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.map-container #map {
    width: 100%;
    height: 100%;
}

.video-container {
    width: 100%;
    aspect-ratio: 16/9;
    background: #000;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    position: relative;
}

.video-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ==========================================================================
   Image Interactions & Zoom
   ========================================================================== */
.interactive-overlay {
    position: absolute;
    inset: 0;
    background: transparent;
    cursor: pointer;
    z-index: 2;
    transition: background-color var(--transition-fast);
}

.interactive-overlay:hover {
    background: var(--overlay-light);
}

.interactive-overlay.clicked {
    pointer-events: none;
    background: var(--overlay-light);
}

.zoom-indicator {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 2px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 1.2rem;
    opacity: 0;
    transition: all var(--transition-normal);
    pointer-events: none;
}

.interactive-overlay:hover .zoom-indicator {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.1);
}

.interactive-overlay.clicked .zoom-indicator {
    opacity: 0.5;
    transform: translate(-50%, -50%) scale(0.9);
}

.zoom-indicator.zoomed {
    background: var(--primary-color);
    border-color: var(--primary-dark);
}

.zoom-indicator.zoomed i::before {
    content: "\f00c";
}

/* Image Modal */
.image-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.image-modal.show {
    opacity: 1;
    visibility: visible;
}

.image-modal-content {
    position: relative;
    max-width: 95vw;
    max-height: 95vh;
    display: flex;
    flex-direction: column;
}

.image-modal-close {
    position: absolute;
    top: -50px;
    right: 0;
    width: 40px;
    height: 40px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 1000;
}

.image-modal-close:hover {
    background: var(--primary-color);
    transform: scale(1.1);
}

.fullscreen-image {
    max-width: 100%;
    max-height: calc(95vh - 80px);
    object-fit: contain;
    border-radius: var(--border-radius-sm);
    transition: transform 0.3s ease;
}

.image-modal-controls {
    position: absolute;
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-sm);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-sm);
}

.image-modal-controls button {
    width: 40px;
    height: 40px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.image-modal-controls button:hover {
    background: var(--primary-color);
    transform: scale(1.1);
}

/* ==========================================================================
   Page Types Specific Styles
   ========================================================================== */
.page.intro .content-box {
    text-align: center;
    background: var(--glass-bg);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
}

.page.intro .content-box h1 {
    font-size: 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xl);
}

.page.intro .content-box em {
    font-size: 1.2rem;
    display: block;
    margin-top: var(--spacing-lg);
    color: var(--primary-color);
}

.page.map {
    background: #1a1a1a;
}

.page.map .page-content {
    padding: 0;
}

.page.map .map-container {
    position: absolute;
    inset: 0;
}

.page.video .page-content {
    background: var(--overlay-dark);
    align-items: center;
    justify-content: center;
}

.page.video .video-container {
    max-width: 90%;
    max-height: 70vh;
    box-shadow: var(--shadow-lg);
}

.page.photo .page-background {
    filter: brightness(0.7);
}

.page.photo .content-box {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
}

/* ==========================================================================
   Timeline & Day Indicator
   ========================================================================== */
.timeline-indicator {
    position: absolute;
    top: var(--spacing-lg);
    left: var(--spacing-lg);
    background: var(--primary-color);
    color: var(--text-light);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    box-shadow: var(--shadow-md);
    z-index: 3;
}

.day-indicator {
    background: var(--primary-color);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 2px solid var(--primary-dark);
    border-radius: var(--border-radius);
    padding: var(--spacing-xs) var(--spacing-sm);
    color: var(--text-light);
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
    min-width: 80px;
    text-align: center;
    opacity: 0;
    transform: translateY(-10px);
    margin-right: var(--spacing-sm);
}

.day-indicator.visible {
    opacity: 1;
    transform: translateY(0);
}

.day-indicator:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(143, 188, 143, 0.4);
}

.day-number {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 2px;
    line-height: 1;
}

.day-label {
    display: block;
    font-size: 0.7rem;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1;
}

.day-indicator.intro {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-color: var(--primary-dark);
}

.day-indicator.map {
    background: var(--secondary-color);
    border-color: #34495e;
}

.day-indicator.changing {
    animation: dayChange 0.6s ease-in-out;
}

/* ==========================================================================
   Navigation Elements (Mobile/Alternative)
   ========================================================================== */
.nav-arrow,
.nav-dot {
    cursor: pointer;
    transition: all var(--transition-fast);
}

.nav-arrow:active,
.page-nav-btn:active,
.nav-dot:active {
    transform: scale(0.95);
    transition: transform 0.1s ease;
}

.nav-arrow:disabled,
.page-nav-btn:disabled {
    opacity: 0.3;
    transform: scale(0.9);
    filter: grayscale(100%);
}

.swipe-indicator {
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.mobile-compact {
    animation: slideUpMobile 0.3s ease-out;
}

/* Navigation dots */
.nav-dots-container {
    display: flex;
    gap: 6px;
    align-items: center;
}

.nav-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transition: all var(--transition-fast);
}

.nav-dot.active {
    background: var(--primary-color);
    transform: scale(1.5);
}

.nav-dot:active {
    transform: scale(1.3);
}

/* ==========================================================================
   Loading & Utility States
   ========================================================================== */
.loading-placeholder {
    width: 100%;
    height: 200px;
    background: linear-gradient(90deg, var(--glass-bg) 25%, var(--glass-border) 50%, var(--glass-bg) 75%);
    background-size: 200% 100%;
    animation: loading-shimmer 2s infinite;
    border-radius: var(--border-radius-sm);
}

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

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* ==========================================================================
   Utilitaires
   ========================================================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.text-center { text-align: center; }
.hidden { display: none !important; }
.fade-in { animation: fadeInUp 0.6s ease-out; }
.slide-in { animation: slideInUp 0.4s ease-out; }

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

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

@media (prefers-contrast: high) {
    :root {
        --glass-bg: rgba(0, 0, 0, 0.8);
        --glass-border: rgba(255, 255, 255, 0.5);
        --overlay-light: rgba(0, 0, 0, 0.6);
        --overlay-dark: rgba(0, 0, 0, 0.9);
    }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */
@media print {
    .header,
    .nav-menu,
    .music-player-compact,
    .page-nav,
    .modal {
        display: none !important;
    }

    .main-content {
        padding-top: 0;
    }

    .page {
        height: auto;
        page-break-after: always;
    }

    .content-box {
        background: white !important;
        color: black !important;
        box-shadow: none !important;
        border: 1px solid #ccc !important;
    }

    .content-box h1,
    .content-box h2,
    .content-box h3,
    .content-box p {
        color: black !important;
    }
}