/* === RESET ET BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Palette géohistorique - tons sépia, terre et parchemin */
    --primary-color: #2d3436;
    --secondary-color: #636e72;
    --accent-color: #b08968;
    --accent-light: #ddb892;
    --accent-dark: #7f5539;
    --text-color: #2d3436;
    --text-light: #636e72;
    --bg-color: #faf8f5;
    --panel-bg: #ffffff;
    --border-color: #d4cfc9;
    --hover-color: #f5f0eb;
    --heart-color: #c1666b;
    
    /* Couleurs thématiques */
    --historic-color: #9c6644;
    --modern-color: #457b9d;
    --archaeological-color: #bc6c25;
    
    /* Espacements */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Ombres */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    
    /* Sidebar */
    --sidebar-width: 340px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* === HEADER COMPACT === */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a1a2e 100%);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-logo {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-dark));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px;
}

.header-logo svg {
    width: 100%;
    height: 100%;
    stroke: white;
}

.header-text {
    display: flex;
    flex-direction: column;
}

.header-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.header-subtitle {
    font-size: 0.7rem;
    opacity: 0.8;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.header-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.header-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--spacing-sm);
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    width: 36px;
    height: 36px;
}

.header-btn svg {
    width: 18px;
    height: 18px;
}

.header-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
}

.header-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

.header-btn-accent {
    background: var(--accent-color);
    border-color: var(--accent-color);
    width: auto;
    padding: var(--spacing-sm) var(--spacing-md);
}

.header-btn-accent:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
}

.btn-text {
    display: none;
}

.btn-text-3d {
    display: none;
    font-weight: 600;
    font-size: 0.7rem;
}

@media (min-width: 768px) {
    .btn-text {
        display: inline;
    }
    .btn-text-3d {
        display: inline;
    }
}

#toggle-3d-btn.active {
    background: linear-gradient(135deg, #e67e22, #d35400);
    border-color: #d35400;
}

#toggle-3d-btn.active:hover {
    background: linear-gradient(135deg, #d35400, #a04000);
}

/* === CONTENEUR PRINCIPAL === */
.main-container {
    display: flex;
    flex: 1;
    overflow: hidden;
    position: relative;
}

/* === SIDEBARS === */
.sidebar {
    width: var(--sidebar-width);
    background: var(--panel-bg);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    z-index: 100;
    transition: transform var(--transition-normal);
    position: absolute;
    top: 0;
    bottom: 0;
}

.sidebar-left {
    left: 0;
    border-right: 1px solid var(--border-color);
    transform: translateX(-100%);
}

.sidebar-left.open {
    transform: translateX(0);
}

.sidebar-right {
    right: 0;
    border-left: 1px solid var(--border-color);
    transform: translateX(100%);
}

.sidebar-right.open {
    transform: translateX(0);
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(180deg, var(--bg-color), var(--panel-bg));
}

.sidebar-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-color);
}

.sidebar-title svg {
    width: 20px;
    height: 20px;
    stroke: var(--accent-color);
}

.sidebar-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: 6px;
    color: var(--text-light);
    transition: all var(--transition-fast);
}

.sidebar-close:hover {
    background: var(--hover-color);
    color: var(--text-color);
}

.sidebar-close svg {
    width: 20px;
    height: 20px;
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

/* === SECTIONS DE PANNEAU === */
.panel-section {
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-dark);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--accent-light);
}

.section-hint {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

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

/* === TITRE DE GROUPE === */
.group-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.group-header:first-child {
    margin-top: 0;
}

.group-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--historic-color);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: linear-gradient(90deg, rgba(176, 137, 104, 0.1), transparent);
    border-left: 3px solid var(--accent-color);
    border-radius: 0 4px 4px 0;
    flex: 1;
}

.group-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--text-light);
}

.group-toggle-btn svg {
    width: 16px;
    height: 16px;
}

.group-toggle-btn:hover {
    background: var(--hover-color);
    border-color: var(--accent-light);
    color: var(--accent-color);
}

.group-toggle-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
}

.group-toggle-btn.partial {
    background: var(--accent-light);
    border-color: var(--accent-color);
    color: var(--accent-dark);
}

/* === CONTRÔLES DE COUCHES === */
.layer-control {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.layer-control:hover {
    background: var(--hover-color);
    border-color: var(--accent-light);
}

.layer-control.active {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-dark));
    color: white;
    border-color: var(--accent-dark);
}

.layer-control input[type="radio"],
.layer-control input[type="checkbox"] {
    margin-right: var(--spacing-sm);
    cursor: pointer;
    accent-color: var(--accent-color);
}

.layer-label {
    flex: 1;
    font-size: 0.85rem;
    cursor: pointer;
    user-select: none;
}

.layer-info {
    font-size: 0.7rem;
    color: var(--text-light);
    margin-top: 2px;
    font-style: italic;
}

.layer-control.active .layer-info {
    color: rgba(255, 255, 255, 0.8);
}

/* === CONTRÔLE RASTER AVEC SLIDER === */
.raster-control {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: var(--spacing-md);
    transition: all var(--transition-fast);
}

.raster-control:hover {
    border-color: var(--accent-light);
}

.raster-control.active {
    border-color: var(--accent-color);
    background: linear-gradient(135deg, rgba(176, 137, 104, 0.05), rgba(176, 137, 104, 0.1));
}

.raster-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.raster-header input[type="checkbox"] {
    accent-color: var(--accent-color);
    width: 16px;
    height: 16px;
}

.raster-name {
    flex: 1;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
}

.raster-year {
    font-size: 0.7rem;
    color: var(--accent-dark);
    background: var(--accent-light);
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 500;
}

.raster-slider-container {
    display: none;
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px dashed var(--border-color);
}

.raster-control.active .raster-slider-container {
    display: block;
}

.slider-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-xs);
}

.slider-value {
    font-weight: 600;
    color: var(--accent-dark);
}

.opacity-slider {
    width: 100%;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: linear-gradient(90deg, var(--border-color), var(--accent-color));
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

.opacity-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent-color);
    border: 3px solid white;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast);
}

.opacity-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.opacity-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: var(--accent-color);
    border: 3px solid white;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

/* === CONTROLE TERRAIN 3D === */
.terrain-control {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: var(--spacing-md);
    transition: all var(--transition-fast);
}

.terrain-control.disabled {
    opacity: 0.5;
    pointer-events: none;
}

.terrain-control.active {
    border-color: #e67e22;
    background: linear-gradient(135deg, rgba(230, 126, 34, 0.05), rgba(230, 126, 34, 0.1));
}

.terrain-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.terrain-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #e67e22, #d35400);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.terrain-icon svg {
    width: 24px;
    height: 24px;
    stroke: white;
}

.terrain-control.disabled .terrain-icon {
    background: var(--border-color);
}

.terrain-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.terrain-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-color);
}

.terrain-status {
    font-size: 0.75rem;
    color: var(--text-light);
    font-style: italic;
}

.terrain-control.active .terrain-status {
    color: #d35400;
    font-style: normal;
}

.terrain-slider-container {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px dashed var(--border-color);
}

.terrain-slider {
    background: linear-gradient(90deg, var(--border-color), #e67e22) !important;
}

/* === CARTE === */
.map-container {
    flex: 1;
    position: relative;
}

#map {
    width: 100%;
    height: 100%;
}

/* === CONTRÔLES MAPLIBRE === */
.maplibregl-ctrl-group {
    background: var(--panel-bg);
    box-shadow: var(--shadow-md);
    border-radius: 8px !important;
    overflow: hidden;
}

.maplibregl-ctrl button {
    width: 32px;
    height: 32px;
}

.maplibregl-ctrl-attrib {
    background: rgba(255, 255, 255, 0.9) !important;
    font-size: 0.65rem;
    border-radius: 4px;
}

/* === FOOTER === */
.footer {
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.75rem;
    z-index: 1000;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-credit {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.footer-credit a {
    color: var(--accent-light);
    text-decoration: none;
}

.footer-credit a:hover {
    text-decoration: underline;
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: white;
}

.heart-icon {
    width: 12px;
    height: 12px;
    color: var(--heart-color);
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    10% { transform: scale(1.15); }
    20% { transform: scale(1); }
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        max-width: 320px;
    }
    
    .header-title {
        font-size: 1rem;
    }
    
    .header-subtitle {
        display: none;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

/* === SCROLLBAR PERSONNALISÉE === */
.sidebar-content::-webkit-scrollbar {
    width: 6px;
}

.sidebar-content::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-content::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.sidebar-content::-webkit-scrollbar-thumb:hover {
    background: var(--text-light);
}

/* === POPUP PERSONNALISÉE === */
.maplibregl-popup-content {
    padding: var(--spacing-md);
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    font-size: 0.85rem;
    font-family: 'Inter', sans-serif;
}

.maplibregl-popup-close-button {
    font-size: 1.25rem;
    padding: var(--spacing-xs);
}

/* === LOADER === */
.layer-loading {
    opacity: 0.6;
    pointer-events: none;
}

.layer-loading::after {
    content: " ⏳";
}