:root {
    --primary-color: #f39c12;
    --bg-dark: #1a1a1a;
    --bg-sidebar: #2c3e50;
    --text-main: #ecf0f1;
    --text-dim: #bdc3c7;
    --sidebar-width: 360px;
}

* { box-sizing: border-box; }
body, html { margin: 0; padding: 0; height: 100%; font-family: 'Inter', sans-serif; background: #000; overflow: hidden; }

#app-container { display: flex; height: 100vh; width: 100%; }

#sidebar a { color: var(--primary-color); text-decoration: underline; transition: 0.2s; }
#sidebar a:hover { color: white; }

#sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    display: flex; flex-direction: column;
    z-index: 1000;
    transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 5px 0 25px rgba(0,0,0,0.5);
    position: relative;
    flex-shrink: 0;
}

#sidebar.collapsed { margin-left: calc(-1 * var(--sidebar-width)); }

.sidebar-header { padding: 40px 25px 20px; position: relative; }
.sidebar-header h1 { font-family: 'Outfit', sans-serif; font-size: 2.2rem; margin: 0; color: white; font-weight: 700; letter-spacing: -1px; line-height: 1; }
.sidebar-header p { font-family: 'Inter', sans-serif; font-size: 0.85rem; color: var(--primary-color); margin-top: 8px; text-transform: uppercase; letter-spacing: 2px; font-weight: 600; opacity: 0.8; }

.sidebar-body {
    flex: 1;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) transparent;
}

.sidebar-body::-webkit-scrollbar { width: 5px; }
.sidebar-body::-webkit-scrollbar-track { background: transparent; }
.sidebar-body::-webkit-scrollbar-thumb { background: var(--primary-color); border-radius: 10px; }

#toggle-sidebar {
    position: absolute; right: -44px; top: 20px;
    width: 44px; height: 44px;
    background: var(--primary-color); border: none; border-radius: 0 12px 12px 0;
    color: #1a1a1a; cursor: pointer; display: flex; align-items: center; justify-content: center;
    box-shadow: 5px 0 15px rgba(0,0,0,0.4);
    font-size: 1.2rem;
}

.main-controls { padding: 0 25px 20px; }

/* Sidebar Modules */
.sidebar-module { margin-bottom: 25px; }
.module-header { display: flex; align-items: center; gap: 10px; font-size: 0.85rem; color: var(--primary-color); font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 12px; }

.glimpse-card {
    background: rgba(0,0,0,0.3); border-radius: 15px; border: 1px solid rgba(255,255,255,0.1);
    overflow: hidden; cursor: pointer; transition: 0.3s;
    box-shadow: 0 8px 20px rgba(0,0,0,0.3);
}

.glimpse-card:hover { transform: translateY(-3px); border-color: var(--primary-color); box-shadow: 0 12px 25px rgba(243, 156, 18, 0.2); }

.glimpse-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; display: block; filter: brightness(0.9); transition: 0.3s; }
.glimpse-card:hover .glimpse-img { filter: brightness(1.1); }

.glimpse-info { padding: 12px 15px; }
.glimpse-info strong { display: block; font-size: 0.95rem; color: white; margin-bottom: 4px; }
.glimpse-info span { font-size: 0.75rem; color: var(--text-dim); }

/* Category Filters */
.filter-controls {
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: rgba(0,0,0,0.25);
    padding: 18px;
    border-radius: 15px;
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: inset 0 1px 1px rgba(255,255,255,0.05);
}

.custom-select {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 12px;
    color: white;
    font-size: 1rem;
    font-family: 'Outfit', sans-serif;
    outline: none;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23f39c12'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 24px;
    transition: 0.3s;
}

.custom-select:hover {
    background-color: rgba(255,255,255,0.1);
    border-color: var(--primary-color);
}

.custom-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(243, 156, 18, 0.2);
}

.custom-select option {
    background: #2c3e50;
    color: white;
    padding: 10px;
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-main);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    user-select: none;
    padding: 5px 0;
}

.checkbox-container input {
    display: none;
}

.checkmark {
    width: 22px;
    height: 22px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 6px;
    position: relative;
    transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.checkbox-container:hover .checkmark {
    background: rgba(255,255,255,0.15);
    border-color: var(--primary-color);
}

.checkbox-container input:checked + .checkmark {
    background: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(243, 156, 18, 0.4);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 7px;
    top: 3px;
    width: 6px;
    height: 12px;
    border: solid white;
    border-width: 0 2.5px 2.5px 0;
    transform: rotate(45deg);
}

.checkbox-container input:checked + .checkmark:after {
    display: block;
}

#search-container { position: relative; width: 100%; margin-top: 10px; }
#search-container i { position: absolute; left: 15px; top: 50%; transform: translateY(-50%); color: var(--text-dim); }
#search-input { width: 100%; padding: 12px 15px 12px 45px; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.1); border-radius: 10px; color: white; outline: none; font-size: 0.95rem; }

.opacity-container { margin-top: 15px; padding: 15px; background: rgba(0,0,0,0.2); border-radius: 12px; border: 1px solid rgba(255,255,255,0.05); }
.opacity-header { display: flex; justify-content: space-between; font-size: 0.8rem; color: var(--primary-color); font-weight: 700; margin-bottom: 5px; }
.slider-hint { font-size: 0.7rem; color: var(--text-dim); margin-bottom: 10px; }
#opacity-slider { width: 100%; cursor: pointer; height: 4px; background: #34495e; -webkit-appearance: none; border-radius: 2px; }
#opacity-slider::-webkit-slider-thumb { -webkit-appearance: none; width: 14px; height: 14px; background: white; border-radius: 50%; cursor: pointer; }

.layer-info-box {
    margin-top: 15px; padding: 12px;
    background: rgba(243, 156, 18, 0.05);
    border-left: 3px solid var(--primary-color);
    font-size: 0.8rem; line-height: 1.5; color: #ecf0f1;
}

#locations-list { padding: 10px 15px 30px; }
.location-item { padding: 6px 10px; display: flex; align-items: center; gap: 10px; cursor: pointer; border-radius: 8px; margin-bottom: 2px; transition: 0.1s; }
.location-item:hover { background: rgba(255,255,255,0.05); }
.location-item img { width: 20px; height: 20px; }
.location-info h3 { font-size: 0.88rem; margin: 0; color: white; font-weight: 500; }
.category-small { font-size: 0.72rem; color: var(--text-dim); }

.sidebar-footer { margin-top: auto; }
.disclaimer-box { padding: 25px; background: #111; border-top: 4px solid var(--primary-color); font-size: 0.85rem; line-height: 1.6; color: #bdc3c7; }
.disclaimer-box strong { color: var(--primary-color); display: block; margin-bottom: 5px; font-size: 1rem; }
.secure-mail { color: var(--primary-color); text-decoration: underline; cursor: pointer; }

#map-container { flex: 1; position: relative; min-width: 0; background: #000; }
#map { height: 100%; width: 100%; }

/* CUSTOM STABLE TOOLBAR */
#map-tools {
    position: absolute; top: 20px; right: 20px;
    display: flex; flex-direction: column; gap: 10px;
    z-index: 1000;
}

.tool-group { display: flex; flex-direction: column; gap: 10px; }

.tool-btn {
    width: 50px; height: 50px;
    background: white; border: none; border-radius: 12px;
    color: #2c3e50; font-size: 1.2rem; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.tool-btn:hover { transform: scale(1.05); color: var(--primary-color); }
.tool-btn.active { background: var(--primary-color); color: white; }

/* Custom Measurement Styles */
.measure-toast {
    position: absolute; top: 25px; left: 50%; transform: translateX(-50%);
    background: rgba(0,0,0,0.85); color: white; padding: 12px 25px;
    border-radius: 30px; z-index: 2000; font-size: 0.9rem;
    display: none; align-items: center; gap: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    border: 1px solid var(--primary-color);
    backdrop-filter: blur(10px);
}

.measure-tooltip {
    background: #000 !important; color: #fff !important;
    border: 2px solid var(--primary-color) !important;
    border-radius: 8px !important; padding: 8px 12px !important;
    font-family: 'Outfit', sans-serif !important; font-size: 13px !important;
    box-shadow: 0 5px 15px rgba(0,0,0,0.5) !important;
    pointer-events: none !important;
}

.measure-tooltip:before { border-right-color: var(--primary-color) !important; }

/* Pulse GPS Dot */
.user-location-dot { width: 14px; height: 14px; background: #3498db; border: 3px solid white; border-radius: 50%; box-shadow: 0 0 10px rgba(52, 152, 219, 0.8); }
.user-location-pulse { position: absolute; width: 14px; height: 14px; background: #3498db; border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0% { transform: scale(1); opacity: 0.6; } 100% { transform: scale(3.5); opacity: 0; } }

.layers-menu { position: absolute; top: 20px; right: 80px; background: white; border-radius: 16px; width: 220px; display: none; z-index: 1000; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
.layers-menu.show { display: block; }
.menu-item { padding: 15px 20px; color: #2c3e50; cursor: pointer; font-size: 0.95rem; display: flex; align-items: center; gap: 10px; }
.menu-divider { height: 1px; background: rgba(0,0,0,0.1); margin: 10px 15px; }
.about-content { max-width: 500px; border-radius: 20px; border: 1px solid rgba(255,215,0,0.3); }
.about-header { text-align: center; margin-bottom: 20px; }
.about-icon { font-size: 3rem; color: #ffd700; margin-bottom: 10px; }
.badge-primary { background: #ffd700; color: #000; padding: 4px 10px; border-radius: 4px; font-size: 0.75rem; font-weight: 700; margin-bottom: 10px; display: inline-block; }

.map-status-toast {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.85);
    color: white;
    padding: 20px 30px;
    border-radius: 12px;
    z-index: 10000;
    display: none;
    font-weight: 600;
    font-size: 1.1rem;
    pointer-events: none;
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
    border: 1px solid rgba(255,255,255,0.2);
    flex-direction: column;
    align-items: center;
    gap: 15px;
}
.map-status-toast i {
    font-size: 2.5rem;
    color: #ffd700;
}

.modal { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.85); z-index: 2000; display: none; align-items: center; justify-content: center; backdrop-filter: blur(10px); }
#detail-modal { z-index: 3000; }
.modal-content { 
    background: var(--bg-sidebar); 
    width: 95%; max-width: 800px; max-height: 95%;
    padding: 35px; border-radius: 20px; position: relative; 
    color: white; box-shadow: 0 20px 60px rgba(0,0,0,0.5); 
    border: 1px solid rgba(255,255,255,0.1);
    overflow-y: auto;
    animation: modalIn 0.3s cubic-bezier(0.4, 0, 0.2, 1); 
}

@keyframes modalIn { from { transform: scale(0.95); opacity: 0; } to { transform: scale(1); opacity: 1; } }

.modal-img-wrapper { margin-bottom: 25px; border-radius: 12px; overflow: hidden; background: #000; box-shadow: 0 10px 30px rgba(0,0,0,0.4); }
#modal-image { width: 100%; height: auto; max-height: 60vh; object-fit: contain; display: block; }

.modal-content h2 { font-family: 'Outfit', sans-serif; font-size: 1.8rem; margin: 0 0 12px 0; color: var(--primary-color); }
.modal-body { font-size: 1.05rem; line-height: 1.7; color: var(--text-main); margin-top: 20px; }
.category-badge { background: rgba(0,0,0,0.3); color: var(--primary-color); padding: 6px 18px; border-radius: 20px; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; border: 1px solid var(--primary-color); }
.close-btn { position: absolute; right: 25px; top: 20px; cursor: pointer; font-size: 1.8rem; color: var(--text-dim); transition: 0.2s; z-index: 10; }
.close-btn:hover { color: var(--primary-color); transform: rotate(90deg); }

/* SIDEBAR ACTIONS */
.sidebar-action-group { margin-bottom: 25px; }
.action-btn-primary {
    width: 100%; padding: 14px;
    background: var(--primary-color); color: white;
    border: none; border-radius: 12px;
    font-weight: 700; font-family: 'Outfit', sans-serif;
    cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 10px;
    transition: 0.3s; box-shadow: 0 4px 15px rgba(243, 156, 18, 0.3);
}
.action-btn-primary:hover { background: #e67e22; transform: translateY(-2px); box-shadow: 0 8px 25px rgba(243, 156, 18, 0.4); }

/* ALBUM SPECIFIC */
.album-content { max-width: 1200px; width: 90%; background: #1a1a1a; padding: 50px; }
.album-header { margin-bottom: 40px; }
.album-header h2 { font-size: 2.4rem; color: white; margin-bottom: 20px; }
.album-search { position: relative; max-width: 500px; }
.album-search i { position: absolute; left: 20px; top: 50%; transform: translateY(-50%); color: var(--text-dim); }
.album-search input { 
    width: 100%; padding: 15px 15px 15px 55px; 
    background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); 
    border-radius: 15px; color: white; font-size: 1.1rem; outline: none;
    transition: 0.3s;
}
.album-search input:focus { border-color: var(--primary-color); background: rgba(255,255,255,0.1); }

.album-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    padding-bottom: 20px;
}

.album-card {
    background: rgba(255,255,255,0.03); border-radius: 18px; border: 1px solid rgba(255,255,255,0.08);
    overflow: hidden; cursor: pointer; transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex; flex-direction: column; height: 100%;
}

.album-card:hover { 
    transform: translateY(-8px); 
    border-color: var(--primary-color); 
    background: rgba(255,255,255,0.06);
    box-shadow: 0 15px 35px rgba(0,0,0,0.4);
}

.album-card-img { width: 100%; aspect-ratio: 16/10; object-fit: cover; background: #000; border-bottom: 1px solid rgba(255,255,255,0.05); }
.album-card-icon-wrap { 
    width: 100%; aspect-ratio: 16/10; display: flex; align-items: center; justify-content: center; 
    background: linear-gradient(135deg, #2c3e50, #1a1a1a);
}
.album-card-icon-wrap img { width: 60px; height: 60px; opacity: 0.7; transition: 0.3s; }
.album-card:hover .album-card-icon-wrap img { transform: scale(1.15); opacity: 1; }

.album-card-info { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.album-card-info h3 { margin: 0 0 8px 0; font-size: 1.2rem; color: white; font-weight: 600; line-height: 1.3; }
.album-card-info .category { font-size: 0.8rem; color: var(--primary-color); font-weight: 700; text-transform: uppercase; letter-spacing: 1px; margin-top: auto; }

.featured-badge {
    position: absolute; top: 15px; left: 15px;
    padding: 5px 12px; border-radius: 8px; font-size: 0.7rem;
    font-weight: 800; text-transform: uppercase; letter-spacing: 1px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3); z-index: 2;
}
.badge-piranesi { background: var(--primary-color); color: #1a1a1a; }
.badge-vintage { background: #3498db; color: white; }

.modal-metadata-footer {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.85rem;
    color: var(--text-dim);
}
.meta-item { margin-bottom: 8px; }
.meta-item strong { color: var(--primary-color); margin-right: 5px; }
#modal-source-link { color: #3498db; text-decoration: none; font-weight: 600; transition: 0.2s; }
#modal-source-link:hover { text-decoration: underline; color: white; }

/* Map Tools Extension - Opacity Slider */
.opacity-tool-group {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin-top: 5px;
}

.opacity-slider-wrapper {
    height: 160px;
    width: 44px;
    background: white;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 22px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    transition: 0.3s;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.opacity-icon {
    color: #2c3e50;
    font-size: 0.9rem;
    margin-bottom: 10px;
    opacity: 0.8;
}

#map-opacity-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 4px;
    height: 100px;
    background: rgba(0,0,0,0.1);
    border-radius: 2px;
    outline: none;
}

#map-opacity-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: #2c3e50;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    border: 2px solid white;
}

#opacity-icon-btn { cursor: default !important; }

/* Custom Attribution */
#custom-attribution {
    position: absolute;
    bottom: 10px;
    right: 10px;
    z-index: 1000;
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(10px);
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 0.75rem;
    color: var(--text-dim);
    border: 1px solid rgba(255, 255, 255, 0.1);
    max-width: 300px;
    line-height: 1.4;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

#custom-attribution a { color: var(--primary-color); text-decoration: none; font-weight: 600; }
#custom-attribution strong { color: white; }

/* Hide default leaflet attribution */
.leaflet-control-attribution { display: none !important; }

/* Mobile Overlay for Sidebar Click-to-Collapse */
#mobile-sidebar-overlay {
    display: none;
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.4);
    z-index: 999;
    pointer-events: auto;
}

@media (max-width: 768px) {
    :root { --sidebar-width: 85vw; }
    
    #sidebar:not(.collapsed) ~ #map-container #mobile-sidebar-overlay {
        display: block;
    }
    
    .sidebar-header h1 { font-size: 1.8rem; }

    #custom-attribution {
        bottom: 50px;
        right: 10px;
        max-width: 180px;
        font-size: 0.7rem;
        padding: 4px 10px;
    }

    .map-status-toast {
        bottom: 90px;
        width: 220px;
        font-size: 0.8rem;
    }
}

/* Sidebar Toggle Improvements */
#sidebar.collapsed { margin-left: calc(-1 * var(--sidebar-width)); }
@media (max-width: 768px) {
    #sidebar { position: absolute; height: 100%; top: 0; left: 0; }
    #sidebar.collapsed { left: calc(-1 * var(--sidebar-width)); margin-left: 0; }
}
#sidebar.collapsed #toggle-sidebar { right: -44px; }