/* ==========================================================================
   Explorateur Historique Cartographique — POC Alès
   Styles & Design System
   ========================================================================== */

:root {
    --color-bg: #0b0f19;
    --color-surface: rgba(15, 23, 42, 0.85);
    --color-surface-hover: rgba(30, 41, 59, 0.95);
    --color-surface-solid: #0f172a;
    --color-border: rgba(255, 255, 255, 0.12);
    --color-border-focus: rgba(245, 158, 11, 0.6);
    
    --color-primary: #f59e0b;
    --color-primary-light: #fbbf24;
    --color-primary-dark: #b45309;
    --color-accent: #38bdf8;
    
    --color-text-main: #f8fafc;
    --color-text-muted: #94a3b8;
    --color-text-dim: #64748b;
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-serif: 'Cinzel', 'Playfair Display', Georgia, serif;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 20px rgba(245, 158, 11, 0.35);
    
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    --z-map: 1;
    --z-sbs-divider: 450;
    --z-ui-controls: 1000;
    --z-modal: 1200;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    scrollbar-width: thin;
    scrollbar-color: #38bdf8 rgba(15, 23, 42, 0.6);
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.6);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #38bdf8;
    border-radius: 4px;
    border: 1px solid rgba(15, 23, 42, 0.8);
}

::-webkit-scrollbar-thumb:hover {
    background: #0284c7;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: var(--color-bg);
    color: var(--color-text-main);
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   Map Container
   ========================================================================== */

#map {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-map);
    background: #111827;
}

/* Leaflet Customizations */
.leaflet-container {
    font-family: var(--font-sans) !important;
}

.leaflet-top.leaflet-right .leaflet-control-zoom {
    margin-top: 196px !important;
    margin-right: 16px !important;
    border: 1.5px solid var(--color-primary) !important;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.7), 0 0 15px rgba(245, 158, 11, 0.45) !important;
    background: rgba(15, 23, 42, 0.95) !important;
    border-radius: var(--radius-md) !important;
    overflow: hidden;
}

.leaflet-control-zoom a {
    background: transparent !important;
    color: #ffffff !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15) !important;
    width: 42px !important;
    height: 42px !important;
    line-height: 40px !important;
    font-size: 22px !important;
    font-weight: 700 !important;
    transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.leaflet-control-zoom a:last-child {
    border-bottom: none !important;
}

.leaflet-control-zoom a:hover {
    background: rgba(245, 158, 11, 0.3) !important;
    color: var(--color-primary-light) !important;
}

.leaflet-control-attribution {
    background: rgba(11, 15, 25, 0.8) !important;
    backdrop-filter: blur(8px);
    color: var(--color-text-dim) !important;
    font-size: 11px !important;
    padding: 3px 10px !important;
    border-top-left-radius: var(--radius-sm);
}

.leaflet-control-attribution a {
    color: var(--color-text-muted) !important;
    text-decoration: none;
}

.leaflet-control-attribution a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

/* ==========================================================================
   Leaflet Side-by-Side (Curseur Rideau)
   ========================================================================== */

.leaflet-sbs {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 450;
    pointer-events: none;
}

/* Ensure Leaflet panes hierarchy: sideBySidePane (450) < overlay (500) < marker (650) < popup (750) */
.leaflet-pane.leaflet-sbs-pane,
.leaflet-pane[style*="z-index: 450"] {
    z-index: 450 !important;
}

.leaflet-sbs-divider {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 6px;
    background: linear-gradient(180deg, var(--color-primary-light), var(--color-primary), #d97706);
    box-shadow: 0 0 12px rgba(245, 158, 11, 0.8), 0 0 25px rgba(0, 0, 0, 0.6);
    transform: translateX(-50%);
    pointer-events: auto;
    cursor: ew-resize;
    touch-action: none;
    z-index: 450;
}

/* Zone de contact élargie pour faciliter la saisie sur mobile/tactile */
.leaflet-sbs-divider::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: -20px;
    right: -20px;
    cursor: ew-resize;
}

.leaflet-sbs-handle {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 48px;
    height: 48px;
    background: var(--color-surface-solid);
    border: 2px solid var(--color-primary);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    background-image: radial-gradient(circle, var(--color-primary) 15%, transparent 20%),
                      url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23fbbf24' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='15 18 9 12 15 6'%3E%3C/polyline%3E%3Cpolyline points='9 18 3 12 9 6' opacity='0.3'%3E%3C/polyline%3E%3Cpolyline points='19 18 19 6' opacity='0'%3E%3C/polyline%3E%3C/svg%3E"),
                      url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23fbbf24' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='9 18 15 12 9 6'%3E%3C/polyline%3E%3C/svg%3E");
    background-position: center, 6px center, 26px center;
    background-size: 6px 6px, 14px 14px, 14px 14px;
    background-repeat: no-repeat;
    pointer-events: auto;
    cursor: grab;
    touch-action: none;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.leaflet-sbs-divider.dragging .leaflet-sbs-handle {
    cursor: grabbing;
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: 0 0 30px rgba(245, 158, 11, 0.9), var(--shadow-lg);
}

/* ==========================================================================
   Header & Floating Navigation
   ========================================================================== */

.app-header {
    position: absolute;
    top: 16px;
    left: 16px;
    right: 80px;
    z-index: var(--z-ui-controls);
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 16px;
    pointer-events: none;
}

.brand-badge {
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--color-surface);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--color-border);
    padding: 10px 18px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    cursor: default;
    flex-shrink: 0;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.brand-badge:hover {
    border-color: var(--color-border-focus);
}

.brand-icon {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    background: rgba(15, 23, 42, 0.95);
    border: 1.5px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 3px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4), 0 0 12px rgba(56, 189, 248, 0.25);
    transition: all var(--transition-fast);
}

.brand-badge:hover .brand-icon {
    border-color: var(--color-accent);
    box-shadow: 0 4px 18px rgba(56, 189, 248, 0.45);
    transform: scale(1.05);
}

.brand-logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.5));
}

.brand-info h1 {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.5px;
    line-height: 1.2;
}

.brand-info p {
    font-size: 0.72rem;
    color: var(--color-text-muted);
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

/* ==========================================================================
   BAN Search Bar (Centrée en haut sur PC, 2e ligne sur Mobile)
   ========================================================================== */

.search-bar-container {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    pointer-events: auto;
    width: 440px;
    max-width: calc(100vw - 440px);
    z-index: var(--z-ui-controls);
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
}

.search-input-wrapper:focus-within {
    border-color: var(--color-primary);
    background: rgba(15, 23, 42, 0.98);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.25), var(--shadow-lg);
}

.search-icon {
    position: absolute;
    left: 14px;
    color: var(--color-primary-light);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 10px 38px 10px 42px;
    background: transparent;
    border: none;
    outline: none;
    color: var(--color-text-main);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
}

.search-input::placeholder {
    color: var(--color-text-muted);
    font-size: 0.82rem;
}

.btn-clear-search {
    position: absolute;
    right: 12px;
    width: 22px;
    height: 22px;
    background: rgba(255, 255, 255, 0.12);
    border: none;
    border-radius: 50%;
    color: var(--color-text-muted);
    font-size: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-clear-search:hover {
    background: rgba(255, 255, 255, 0.25);
    color: #fff;
}

.search-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    max-height: 280px;
    overflow-y: auto;
    z-index: var(--z-modal);
    display: none;
}

.search-result-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    cursor: pointer;
    transition: background var(--transition-fast);
}

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

.search-result-item:hover, .search-result-item.active {
    background: rgba(245, 158, 11, 0.15);
}

/* ==========================================================================
   Map Action Controls + Leaflet Zoom (Colonne unifiée en haut à droite)
   ========================================================================== */

.map-action-controls {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: var(--z-ui-controls);
    display: flex;
    flex-direction: column;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1.5px solid var(--color-primary);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.7), 0 0 15px rgba(245, 158, 11, 0.4);
    border-radius: var(--radius-md);
    overflow: visible;
    pointer-events: auto;
}

.map-action-controls > *:first-child,
.map-action-controls > *:first-child > button {
    border-top-left-radius: var(--radius-md);
    border-top-right-radius: var(--radius-md);
}

.map-action-controls > *:last-child,
.map-action-controls > *:last-child > button {
    border-bottom-left-radius: var(--radius-md);
    border-bottom-right-radius: var(--radius-md);
    border-bottom: none;
}

.btn-map-action {
    width: 42px;
    height: 42px;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    pointer-events: auto;
    transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
    outline: none;
}

.btn-map-action:last-child {
    border-bottom: none;
}

.btn-map-action:hover {
    background: rgba(245, 158, 11, 0.3);
    color: var(--color-primary-light);
}

.btn-map-action.active {
    background: rgba(245, 158, 11, 0.25);
    color: var(--color-primary-light);
    box-shadow: inset 0 0 10px rgba(245, 158, 11, 0.4);
}

.btn-map-action svg {
    pointer-events: none;
}

/* Masquer le contrôle de Zoom Leaflet par défaut (remplacé par la barre unifiée) */
.leaflet-control-zoom {
    display: none !important;
}

/* ==========================================================================
   Barre d'Outils Latérale Gauche (Légende & Circuits Thématiques)
   ========================================================================== */

.map-left-controls {
    position: fixed;
    top: 80px;
    left: 16px;
    z-index: var(--z-ui-controls, 1000);
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: auto;
}

.btn-map-sidebar {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    background: rgba(15, 23, 42, 0.94);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1.5px solid rgba(255, 255, 255, 0.16);
    color: #ffffff;
    padding: 9px 16px;
    border-radius: var(--radius-full, 9999px);
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.55), 0 0 14px rgba(245, 158, 11, 0.2);
    transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
    user-select: none;
}

.btn-map-sidebar:hover {
    background: rgba(30, 41, 59, 0.98);
    border-color: var(--color-primary);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.7), 0 0 18px rgba(245, 158, 11, 0.45);
}

.btn-map-sidebar.active {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.3), rgba(217, 119, 6, 0.45));
    border-color: var(--color-primary);
    color: var(--color-primary-light);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.55);
}

.btn-map-sidebar svg {
    color: var(--color-primary-light);
    flex-shrink: 0;
}

.btn-map-sidebar .sidebar-btn-label {
    letter-spacing: 0.3px;
}

/* ==========================================================================
   Panneau Latéral (Tiroir Légende & Filtres — Positionné à droite)
   ========================================================================== */

.legend-drawer {
    position: fixed;
    top: 16px;
    right: 70px;
    left: auto;
    z-index: 1100;
    pointer-events: none;
}

/* Corps du tiroir latéral */
.legend-drawer-body {
    pointer-events: auto;
    width: 320px;
    max-width: calc(100vw - 90px);
    max-height: calc(100vh - 40px);
    background: rgba(15, 23, 42, 0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1.5px solid var(--color-primary);
    border-radius: var(--radius-lg, 20px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.75), 0 0 25px rgba(245, 158, 11, 0.25);
    display: none;
    flex-direction: column;
    overflow: hidden;
    animation: legendIn 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.legend-drawer.open .legend-drawer-body {
    display: flex;
}

@keyframes legendIn {
    from { opacity: 0; transform: translateX(8px) scale(0.97); }
    to { opacity: 1; transform: translateX(0) scale(1); }
}

.legend-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    background: rgba(30, 41, 59, 0.7);
    border-bottom: 1px solid var(--color-border);
}

.legend-header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.legend-icon-box {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    background: rgba(245, 158, 11, 0.2);
    color: var(--color-primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.legend-title {
    font-family: var(--font-serif);
    font-size: 0.95rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 0.3px;
}

.legend-header-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.legend-btn-reset {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    background: rgba(245, 158, 11, 0.2);
    color: var(--color-primary-light);
    border: 1px solid rgba(245, 158, 11, 0.4);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.legend-btn-reset:hover {
    background: var(--color-primary);
    color: #0f172a;
}

.legend-btn-close {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.legend-btn-close:hover {
    background: rgba(239, 68, 68, 0.3);
    color: #f87171;
    border-color: rgba(239, 68, 68, 0.5);
}

.legend-items-list {
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
    max-height: calc(82vh - 120px);
}

.legend-item-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.legend-item-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--cat-color, var(--color-primary));
    transform: translateX(3px);
}

.legend-item-card.active {
    background: rgba(245, 158, 11, 0.15);
    border-color: var(--color-primary);
    box-shadow: 0 0 12px rgba(245, 158, 11, 0.25);
}

.legend-item-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.legend-item-icon-box {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
}

.legend-item-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-text-main);
}

.legend-item-count {
    font-size: 0.72rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-muted);
}

.legend-badge-count {
    font-size: 0.68rem;
    font-weight: 800;
    padding: 2px 6px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    color: #0f172a;
}

.legend-footer-tip {
    padding: 10px 14px;
    background: rgba(15, 23, 42, 0.5);
    border-top: 1px solid var(--color-border);
    font-size: 0.7rem;
    color: var(--color-text-muted);
    text-align: center;
}

.search-item-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-primary-light);
    flex-shrink: 0;
}

.search-item-info {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.search-item-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #fff;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.search-item-sub {
    font-size: 0.72rem;
    color: var(--color-text-muted);
}

.search-empty-state {
    padding: 14px;
    text-align: center;
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

/* Marqueur d'adresse animée */
.custom-search-marker {
    background: transparent;
    border: none;
}

.search-pin-pulse {
    position: absolute;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(56, 189, 248, 0.4);
    top: 50%;
    left: 50%;
    margin: -22px 0 0 -22px;
    animation: searchPulse 1.8s infinite;
}

@keyframes searchPulse {
    0% { transform: scale(0.6); opacity: 0.9; }
    100% { transform: scale(1.6); opacity: 0; }
}

.search-pin-inner {
    position: absolute;
    width: 32px;
    height: 32px;
    border-radius: 50% 50% 50% 0;
    background: linear-gradient(135deg, #0284c7, #0ea5e9);
    transform: rotate(-45deg);
    top: 50%;
    left: 50%;
    margin: -24px 0 0 -16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #fff;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.5), 0 0 12px rgba(14, 165, 233, 0.8);
}

.search-pin-inner svg {
    transform: rotate(45deg);
}

.address-popup-card {
    padding: 12px 14px;
    background: var(--color-surface-solid);
}

.address-type-badge {
    display: inline-block;
    font-size: 0.65rem;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: #38bdf8;
    background: rgba(56, 189, 248, 0.15);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    margin-bottom: 4px;
}

.address-title {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 4px;
}

.address-coords {
    font-size: 0.72rem;
    color: var(--color-text-dim);
}

/* ==========================================================================
   Era Switcher / Split Bar (Controlleur de comparaison)
   ========================================================================== */

.split-control-bar {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: var(--z-ui-controls);
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--color-surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    padding: 8px 14px;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    max-width: 95vw;
    pointer-events: auto;
    will-change: left;
    transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.era-selector-card {
    display: flex;
    align-items: center;
    gap: 8px;
}

.side-indicator {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    color: #fff;
}

.side-indicator.left {
    background: rgba(245, 158, 11, 0.25);
    border: 1px solid rgba(245, 158, 11, 0.5);
    color: var(--color-primary-light);
}

.side-indicator.right {
    background: rgba(56, 189, 248, 0.25);
    border: 1px solid rgba(56, 189, 248, 0.5);
    color: var(--color-accent);
}

.custom-select-wrapper {
    position: relative;
}

.era-select {
    appearance: none;
    -webkit-appearance: none;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid var(--color-border);
    color: var(--color-text-main);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 8px 30px 8px 12px;
    border-radius: var(--radius-md);
    cursor: pointer;
    outline: none;
    transition: all var(--transition-fast);
}

.era-select:hover, .era-select:focus {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--color-primary);
}

.era-select option {
    background: var(--color-surface-solid);
    color: var(--color-text-main);
    font-size: 0.9rem;
    padding: 8px;
}

.select-arrow {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--color-text-muted);
    font-size: 10px;
}

.vs-badge {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-primary);
    padding: 0 4px;
    opacity: 0.8;
}

/* ==========================================================================
   Retractable POI Category Legend Widget (Panneau Légende)
   ========================================================================== */

.legend-widget {
    position: absolute;
    bottom: 24px;
    left: 16px;
    z-index: var(--z-ui-controls);
    display: flex;
    flex-direction: column;
    pointer-events: auto;
    max-width: 310px;
}

.btn-legend-toggle {
    display: flex;
    align-items: center;
    gap: 9px;
    background: var(--color-surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    padding: 8px 14px;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    cursor: pointer;
    color: #fff;
    font-family: var(--font-sans);
    font-size: 0.82rem;
    font-weight: 600;
    transition: all var(--transition-fast);
    outline: none;
}

.btn-legend-toggle:hover {
    border-color: var(--color-primary);
    background: rgba(15, 23, 42, 0.95);
    box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35);
}

.legend-toggle-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-light);
}

.legend-toggle-label {
    letter-spacing: 0.3px;
}

.legend-badge-count {
    background: rgba(245, 158, 11, 0.25);
    color: var(--color-primary-light);
    border: 1px solid rgba(245, 158, 11, 0.5);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 1px 7px;
    border-radius: var(--radius-full);
}

.legend-toggle-chevron {
    transition: transform var(--transition-fast);
    color: var(--color-text-muted);
}

.legend-widget.open .legend-toggle-chevron {
    transform: rotate(180deg);
}

.legend-widget-body {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 0;
    width: 290px;
    background: rgba(15, 23, 42, 0.96);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: legendSlideUp 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes legendSlideUp {
    from {
        opacity: 0;
        transform: translateY(12px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.legend-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--color-border);
}

.legend-title {
    font-family: var(--font-serif);
    font-size: 0.88rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.4px;
}

.legend-btn-reset {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--color-primary-light);
    background: rgba(245, 158, 11, 0.2);
    border: 1px solid rgba(245, 158, 11, 0.4);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.legend-btn-reset:hover {
    background: var(--color-primary);
    color: #0f172a;
}

.legend-items-list {
    max-height: 280px;
    overflow-y: auto;
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.legend-item-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.legend-item-row:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
}

.legend-item-row.active {
    background: rgba(245, 158, 11, 0.2);
    border-color: var(--color-primary);
}

.legend-item-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.legend-item-icon-badge {
    width: 26px;
    height: 26px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

.legend-item-icon-badge svg {
    width: 15px;
    height: 15px;
    stroke: #ffffff;
    stroke-width: 2.2px;
}

.legend-item-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: #f1f5f9;
}

.legend-item-count {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--color-text-dim);
    background: rgba(255, 255, 255, 0.08);
    padding: 2px 7px;
    border-radius: var(--radius-full);
}

.legend-item-row.active .legend-item-count {
    background: var(--color-primary);
    color: #0f172a;
}

.legend-footer-tip {
    padding: 8px 12px;
    font-size: 0.68rem;
    color: var(--color-text-dim);
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(0, 0, 0, 0.2);
}

.leaflet-pane.leaflet-marker-pane {
    z-index: 650 !important;
    pointer-events: auto !important;
}

.leaflet-pane.leaflet-popup-pane {
    z-index: 750 !important;
    pointer-events: auto !important;
}

/* Shadow pane must also be above the sbs divider */
.leaflet-pane.leaflet-shadow-pane {
    z-index: 550 !important;
}

/* Temporal filtering: instant hide/show for markers without jitter */
.poi-marker-hidden {
    display: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
}

.poi-marker-visible {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
}

.custom-poi-marker {
    background: transparent;
    border: none;
    pointer-events: auto !important;
    cursor: pointer !important;
    width: 38px !important;
    height: 48px !important;
    will-change: opacity;
    transform-style: flat;
}

.poi-category-badge-pin {
    width: 36px;
    height: 36px;
    border-radius: 50% 50% 50% 0;
    background: var(--cat-gradient, linear-gradient(135deg, #f59e0b, #d97706));
    position: absolute;
    top: 3px;
    left: 1px;
    transform: rotate(-45deg);
    transform-origin: 50% 50%;
    margin: 0;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.55), 0 0 14px var(--cat-color, rgba(245, 158, 11, 0.6));
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--cat-border, #ffffff);
    cursor: pointer !important;
    pointer-events: auto !important;
    transition: box-shadow 0.2s ease;
}

.poi-cat-icon {
    transform: rotate(45deg);
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    pointer-events: none;
}

.poi-cat-icon svg {
    width: 19px;
    height: 19px;
    stroke: #ffffff;
    stroke-width: 2.2px;
    filter: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.7));
}

.poi-category-badge-pin:hover {
    transform: rotate(-45deg) scale(1.15);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.75), 0 0 22px var(--cat-color, #fbbf24);
    z-index: 1000 !important;
}

/* Leaflet MarkerCluster overrides */
.marker-cluster-small,
.marker-cluster-medium,
.marker-cluster-large {
    background-color: rgba(245, 158, 11, 0.3) !important;
}

.marker-cluster-small div,
.marker-cluster-medium div,
.marker-cluster-large div {
    background-color: rgba(217, 119, 6, 0.85) !important;
    backdrop-filter: blur(6px);
    color: #fff !important;
    font-weight: 700 !important;
    font-family: var(--font-sans) !important;
    border: 2px solid #fff !important;
    box-shadow: var(--shadow-md) !important;
}

/* ==========================================================================
   Leaflet Popup Customization
   ========================================================================== */

.leaflet-popup-content-wrapper {
    background: #0f172a !important;
    color: var(--color-text-main) !important;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md) !important;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.8), 0 0 20px rgba(0, 0, 0, 0.5) !important;
    padding: 0 !important;
    overflow: hidden !important;
    width: 290px !important;
    max-width: 290px !important;
}

.leaflet-popup-content {
    margin: 0 !important;
    line-height: 1.4 !important;
    width: 290px !important;
    max-width: 290px !important;
    overflow: hidden !important;
}

.leaflet-popup-tip {
    background: #0f172a !important;
    border: 1px solid var(--color-border);
}

.leaflet-popup-close-button {
    color: #ffffff !important;
    top: 8px !important;
    right: 8px !important;
    z-index: 100 !important;
    width: 26px !important;
    height: 26px !important;
    background: rgba(15, 23, 42, 0.85) !important;
    backdrop-filter: blur(8px) !important;
    border: 1px solid rgba(255, 255, 255, 0.25) !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 15px !important;
    line-height: 1 !important;
    text-decoration: none !important;
    transition: all var(--transition-fast) !important;
}

.leaflet-popup-close-button:hover {
    background: rgba(239, 68, 68, 0.9) !important;
    border-color: #ef4444 !important;
    color: #ffffff !important;
}

.poi-popup-card {
    display: flex;
    flex-direction: column;
    width: 290px !important;
    max-width: 290px !important;
    overflow: hidden !important;
}

.popup-img-wrapper {
    position: relative !important;
    width: 100% !important;
    height: 155px !important;
    min-height: 155px !important;
    max-height: 155px !important;
    background: #1e293b !important;
    overflow: hidden !important;
    display: block !important;
}

.popup-img-wrapper img,
.poi-popup-card img,
.leaflet-popup-content img {
    width: 100% !important;
    height: 155px !important;
    min-height: 155px !important;
    max-height: 155px !important;
    object-fit: cover !important;
    display: block !important;
    margin: 0 !important;
    padding: 0 !important;
    transition: transform var(--transition-smooth);
}

.popup-img-wrapper:hover img {
    transform: scale(1.06);
}

.popup-category-badge {
    position: absolute;
    bottom: 8px;
    left: 8px;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(8px);
    color: var(--color-primary-light);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    border: 1.5px solid rgba(245, 158, 11, 0.5);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.popup-cat-icon-inline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.popup-cat-icon-inline svg {
    width: 14px;
    height: 14px;
    stroke: currentColor;
    stroke-width: 2.2px;
}

.popup-meta-row {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 6px;
}

.popup-protection-tag {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.popup-protection-tag.classe {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.4);
}

.popup-protection-tag.inscrit {
    background: rgba(245, 158, 11, 0.2);
    color: var(--color-primary-light);
    border: 1px solid rgba(245, 158, 11, 0.4);
}

.popup-gallica-tag {
    position: absolute;
    top: 8px;
    left: 8px;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(8px);
    color: #38bdf8;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    padding: 3px 6px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(56, 189, 248, 0.4);
}

.popup-body {
    padding: 14px;
}

.popup-header-title {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 4px;
    line-height: 1.3;
}

.popup-period {
    font-size: 0.75rem;
    color: var(--color-primary-light);
    font-weight: 600;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.popup-desc {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    margin-bottom: 12px;
    line-height: 1.45;
}

.popup-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 10px;
}

.btn-popup {
    width: 100%;
    min-height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    box-sizing: border-box;
    transition: all var(--transition-fast);
}

.btn-popup-primary {
    background: var(--color-primary);
    color: #0f172a;
}

.btn-popup-primary:hover {
    background: var(--color-primary-light);
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
}

.btn-popup-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-main);
    border: 1px solid var(--color-border);
}

.btn-popup-secondary:hover {
    background: rgba(255, 255, 255, 0.18);
}

/* ==========================================================================
   Details Sidebar / Bottom Sheet
   ========================================================================== */

.poi-details-panel {
    position: absolute;
    top: 76px;
    right: 16px;
    bottom: 80px;
    width: 380px;
    max-width: calc(100vw - 32px);
    background: var(--color-surface);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-ui-controls);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: translateX(420px);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-smooth), opacity var(--transition-smooth);
}

.poi-details-panel.open {
    transform: translateX(0);
    opacity: 1;
    pointer-events: auto;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    border-bottom: 1px solid var(--color-border);
    background: rgba(0, 0, 0, 0.2);
}

.panel-header-badges {
    display: flex;
    align-items: center;
    gap: 8px;
}

.badge-merimee {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

.badge-protection {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    background: rgba(245, 158, 11, 0.2);
    color: var(--color-primary-light);
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(245, 158, 11, 0.4);
}

.panel-title {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
    line-height: 1.3;
}

.btn-panel-close,
.panel-close {
    position: absolute !important;
    top: 10px !important;
    right: 10px !important;
    z-index: 60 !important;
    width: 32px !important;
    height: 32px !important;
    border-radius: 50% !important;
    background: rgba(15, 23, 42, 0.85) !important;
    backdrop-filter: blur(8px) !important;
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
    color: #ffffff !important;
    font-size: 15px !important;
    font-weight: 700 !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    line-height: 1 !important;
    transition: all var(--transition-fast) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5) !important;
}

.btn-panel-close:hover,
.panel-close:hover {
    background: rgba(239, 68, 68, 0.9) !important;
    border-color: #ef4444 !important;
    color: #ffffff !important;
    transform: scale(1.08) !important;
}

.panel-content,
.panel-content-body {
    flex: 1;
    overflow-y: auto;
    padding: 18px;
}

.panel-hero-img-wrapper,
.panel-img-container {
    position: relative !important;
    width: 100% !important;
    height: 185px !important;
    min-height: 185px !important;
    max-height: 185px !important;
    background: #1e293b !important;
    overflow: hidden !important;
    display: block !important;
    border-bottom: 1px solid var(--color-border) !important;
    margin: 0 !important;
}

.panel-hero-img-wrapper img,
.panel-img-container img,
#panelPoiImage,
.panel-hero-img {
    width: 100% !important;
    height: 185px !important;
    min-height: 185px !important;
    max-height: 185px !important;
    object-fit: cover !important;
    display: block !important;
    margin: 0 !important;
    padding: 0 !important;
    transition: transform var(--transition-smooth);
}

.panel-hero-img-wrapper:hover img,
.panel-img-container:hover img {
    transform: scale(1.04);
}

.panel-img-source {
    background: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(8px);
    padding: 6px 10px;
    font-size: 0.72rem;
    color: var(--color-text-muted);
    border-top: 1px solid var(--color-border);
}

.panel-meta-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
    background: rgba(0, 0, 0, 0.25);
    padding: 12px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.panel-meta-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.82rem;
}

.meta-label {
    color: var(--color-text-muted);
}

.meta-value {
    color: #fff;
    font-weight: 600;
}

.desc-heading {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-primary-light);
    margin-bottom: 8px;
}

.panel-desc-box {
    margin-bottom: 18px;
}

.panel-desc-text {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.panel-links-section {
    margin-bottom: 20px;
}

.panel-links-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.panel-link-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--color-text-main);
    transition: all var(--transition-fast);
}

.panel-link-card:hover {
    background: rgba(30, 41, 59, 0.85);
    border-color: var(--link-accent, var(--color-primary));
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
}

.panel-link-left {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    flex: 1;
}

.panel-link-icon-box {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: var(--link-bg, rgba(245, 158, 11, 0.15));
    color: var(--link-color, var(--color-primary-light));
    border: 1px solid var(--link-border, rgba(245, 158, 11, 0.35));
}

.panel-link-icon-box svg {
    width: 17px;
    height: 17px;
}

.panel-link-texts {
    display: flex;
    flex-direction: column;
    min-width: 0;
    flex: 1;
}

.panel-link-title {
    font-size: 0.82rem;
    font-weight: 700;
    color: #f8fafc;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.25;
}

.panel-link-subtitle {
    font-size: 0.71rem;
    color: var(--color-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.2;
    margin-top: 2px;
}

.panel-link-arrow {
    color: var(--color-text-muted);
    flex-shrink: 0;
    transition: transform var(--transition-fast), color var(--transition-fast);
}

.panel-link-card:hover .panel-link-arrow {
    color: var(--link-color, var(--color-primary-light));
    transform: translate(2px, -2px);
}

/* ==========================================================================
   Zoom Warning Toast (Cassini Zoom Alert)
   ========================================================================== */

.toast-alert {
    position: absolute;
    top: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    background: rgba(245, 158, 11, 0.95);
    color: #0f172a;
    font-weight: 600;
    font-size: 0.85rem;
    padding: 8px 18px;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    z-index: var(--z-modal);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: 8px;
}

.toast-alert.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ==========================================================================
   Immersive 360° Button & Modal
   ========================================================================== */

/* Bouton immersif dans le popup */
.btn-popup-immersive {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 7px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid rgba(16, 185, 129, 0.5);
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
    transition: all var(--transition-fast);
}

.btn-popup-immersive:hover {
    background: rgba(16, 185, 129, 0.3);
    color: #fff;
    border-color: #10b981;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.4);
}

/* Bouton 360° dans le panneau de détails — état actif */
.btn-popup.immersive-available {
    opacity: 1;
    cursor: pointer;
    background: linear-gradient(135deg, #10b981, #059669);
    color: #fff;
    border: none;
}

.btn-popup.immersive-available:hover {
    background: linear-gradient(135deg, #34d399, #10b981);
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.5);
}

/* Bouton 360° désactivé */
.btn-popup:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    filter: grayscale(0.6);
}

/* Modal plein écran */
.immersive-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    flex-direction: column;
    opacity: 0;
    pointer-events: none;
    transform: scale(0.95);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.immersive-modal.open {
    opacity: 1;
    pointer-events: auto;
    transform: scale(1);
}

.immersive-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    background: rgba(15, 23, 42, 0.95);
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

.immersive-modal-title-group {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #10b981;
}

.immersive-modal-title {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
}

.immersive-modal-close {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 18px;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.immersive-modal-close:hover {
    background: rgba(239, 68, 68, 0.3);
    color: #f87171;
    border-color: rgba(239, 68, 68, 0.5);
}

.immersive-modal-body {
    flex: 1;
    position: relative;
    overflow: hidden;
}

.immersive-modal-body iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    background: #000;
}

/* ==========================================================================
   Responsive Adaptations (PC & Mobile)
   ========================================================================== */

@media (max-width: 768px) {
    .app-header {
        top: 10px;
        left: 10px;
        right: 60px;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .brand-badge {
        padding: 6px 12px;
        gap: 8px;
        width: fit-content;
    }

    .brand-icon {
        width: 28px;
        height: 28px;
        font-size: 14px;
    }

    .brand-info h1 {
        font-size: 0.88rem;
    }

    .brand-info p {
        display: none;
    }

    .search-bar-container {
        position: static;
        transform: none;
        width: 100%;
        max-width: 100%;
        margin: 0;
    }

    .search-input {
        font-size: 0.8rem;
        padding: 8px 32px 8px 36px;
    }

    .map-action-controls {
        top: 10px;
        right: 10px;
    }

    .btn-map-action {
        width: 38px;
        height: 38px;
    }

    .leaflet-top.leaflet-right .leaflet-control-zoom {
        margin-top: 132px !important;
        margin-right: 10px !important;
    }

    .leaflet-control-zoom a {
        width: 38px !important;
        height: 38px !important;
        line-height: 36px !important;
        font-size: 19px !important;
    }

    .legend-drawer,
    .tours-drawer {
        top: 60px;
        right: 10px;
        left: 10px;
    }

    .legend-drawer-body,
    .tours-panel-body {
        width: 100%;
        max-width: 100%;
        max-height: calc(85vh - 70px);
    }

    .split-control-bar {
        bottom: 16px;
        padding: 6px 10px;
        gap: 6px;
        width: calc(100% - 20px);
        max-width: 390px;
        justify-content: space-between;
    }

    .era-select {
        font-size: 0.74rem;
        padding: 6px 20px 6px 6px;
        max-width: 110px;
        text-overflow: ellipsis;
        overflow: hidden;
        white-space: nowrap;
    }

    .side-indicator {
        font-size: 0.62rem;
        padding: 2px 4px;
    }

    .vs-badge {
        font-size: 0.62rem;
        padding: 2px 5px;
    }

    .poi-details-panel {
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100%;
        max-width: 100%;
        height: 65vh;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        transform: translateY(100%);
    }

    .poi-details-panel.open {
        transform: translateY(0);
    }

    .immersive-modal-header {
        padding: 10px 14px;
    }

    .immersive-modal-title {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .era-select {
        max-width: 95px;
        font-size: 0.7rem;
    }
}

/* ==========================================================================
   Sélecteur de Langue (Language Switcher — FR / EN / ES / DE)
   ========================================================================== */

.lang-selector-wrapper {
    position: relative;
}

.btn-lang-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 700;
}

.lang-flag-icon {
    font-size: 1.1rem;
    line-height: 1;
}

.lang-dropdown-menu {
    position: absolute;
    top: 0;
    right: calc(100% + 8px);
    background: rgba(15, 23, 42, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1.5px solid var(--color-primary);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.7), 0 0 15px rgba(245, 158, 11, 0.35);
    padding: 6px;
    display: none;
    flex-direction: column;
    gap: 4px;
    min-width: 140px;
    z-index: var(--z-modal);
}

.lang-dropdown-menu.open {
    display: flex;
    animation: langDropdownFade 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes langDropdownFade {
    from { opacity: 0; transform: translateX(8px); }
    to { opacity: 1; transform: translateX(0); }
}

.btn-lang-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: #f1f5f9;
    font-family: var(--font-sans);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
    width: 100%;
}

.btn-lang-option:hover {
    background: rgba(245, 158, 11, 0.2);
    border-color: rgba(245, 158, 11, 0.4);
    color: #ffffff;
}

.btn-lang-option.active {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.35), rgba(217, 119, 6, 0.35));
    border-color: var(--color-primary);
    color: var(--color-primary-light);
    font-weight: 700;
}

/* ==========================================================================
   Module Audioguide Vocal (Text-to-Speech)
   ========================================================================== */

.btn-popup-audioguide {
    background: linear-gradient(135deg, #8b5cf6, #6d28d9);
    border: 1.5px solid #a78bfa;
    color: #ffffff;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 14px rgba(139, 92, 246, 0.35);
}

.btn-popup-audioguide:hover {
    background: linear-gradient(135deg, #a78bfa, #7c3aed);
    box-shadow: 0 6px 18px rgba(139, 92, 246, 0.55);
    transform: translateY(-1px);
}

.btn-popup-audioguide.playing {
    background: linear-gradient(135deg, #10b981, #059669);
    border-color: #34d399;
    box-shadow: 0 0 16px rgba(16, 185, 129, 0.6);
}

/* Animation d'ondes sonores */
.audio-waves {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    height: 16px;
}

.audio-waves span {
    display: block;
    width: 3px;
    background: #ffffff;
    border-radius: 2px;
    animation: audioWave 1.2s ease-in-out infinite alternate;
}

.audio-waves span:nth-child(1) { height: 6px; animation-delay: 0.1s; }
.audio-waves span:nth-child(2) { height: 14px; animation-delay: 0.3s; }
.audio-waves span:nth-child(3) { height: 10px; animation-delay: 0.2s; }
.audio-waves span:nth-child(4) { height: 16px; animation-delay: 0.4s; }

@keyframes audioWave {
    0% { height: 4px; }
    100% { height: 16px; }
}

.audioguide-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: rgba(139, 92, 246, 0.12);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
}

.audioguide-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.audioguide-speed-select {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(139, 92, 246, 0.4);
    color: #f1f5f9;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 3px 6px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    outline: none;
}