html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    display: block; 
    font-family: 'Microsoft YaHei', -apple-system, sans-serif;
    user-select: none; 
}
.leaflet-container {
    background-color: #ffffff !important;
}
.floating-btn {
    position: fixed;
    left: 20px;
    bottom: 25px;
    z-index: 9999;
    background-color: #2b2b2b; 
    color: #ffffff;
    padding: 12px 20px;
    border-radius: 50px; 
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: bold;
    border: 1px solid #444;
    transition: all 0.2s ease;
}

.floating-btn:hover {
    background-color: #3d3d3d;
    transform: translateY(-2px); 
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.5);
}

.filter-modal {
    position: fixed;
    left: 20px;
    bottom: 85px;
    width: 320px;
    max-height: 75vh;
    background-color: #1e1e1e;
    color: #e0e0e0;
    z-index: 10000;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
    display: flex;
    flex-direction: column;
    border: 1px solid #333;
    overflow: hidden; 
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background-color: #252525;
    font-size: 16px;
    font-weight: bold;
    border-bottom: 1px solid #333;
}

.close-btn {
    background: none;
    border: none;
    color: #888;
    font-size: 18px;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: color 0.2s;
}
.close-btn:hover { color: #ff5252; } 

.search-box {
    padding: 12px 15px;
    background-color: #1e1e1e;
    border-bottom: 1px solid #333;
}

.search-box input {
    width: 100%;
    box-sizing: border-box;
    padding: 10px 14px;
    background: #121212; 
    border: 1px solid #444;
    color: white;
    border-radius: 6px;
    outline: none;
    font-size: 13px;
    transition: border-color 0.2s;
}

.search-box input:focus { border-color: #4caf50; }
.search-box input::placeholder { color: #666; }


.marker-list {
    flex: 1;
    overflow-y: auto;
    padding: 15px;
}

.marker-list::-webkit-scrollbar { width: 6px; }
.marker-list::-webkit-scrollbar-thumb { background-color: #555; border-radius: 3px; }
.group { margin-bottom: 12px; }

.group-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    padding: 10px 12px;
    background-color: #2a2a2a;
    border-radius: 6px;
    transition: background 0.2s;
}
.group-header:hover { background-color: #333; }
.header-title { font-weight: bold; font-size: 14px; color: #fff; }

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}
.toggle-all-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: #888;
    transition: color 0.2s;
}
.toggle-all-btn:hover { color: #ddd; }
.eye-icon { width: 14px; height: 14px; opacity: 0.8; filter: invert(1); }
.arrow { font-size: 12px; color: #666; transition: transform 0.3s; }
.group.active .arrow { transform: rotate(90deg); }


.group-content { display: none; padding-top: 8px; }
.group.active .group-content { display: block; }



.item {
    display: flex;
    align-items: center;
    padding: 8px 10px;
    border-radius: 6px;
    cursor: pointer;
    margin-bottom: 4px;
    background: transparent;
    border-left: 3px solid transparent;
    transition: background 0.1s;
}

.item:hover { background: rgba(255,255,255,0.05); }


.item.selected { 
    background: rgba(76, 175, 80, 0.1); 
    border-left: 3px solid #4caf50; 
}


.item .icon {
    width: 26px; 
    height: 26px; 
    background: #444; 
    border-radius: 6px; 
    text-align: center; 
    line-height: 26px; 
    margin-right: 12px; 
    font-size: 12px;
    font-weight: bold;
    color: #aaa;
}

.item.selected .icon { 
    background: #4caf50; 
    color: #fff;
}

.item .name { flex: 1; font-size: 13px; color: #ccc; }
.item.selected .name { color: #fff; }

.item .count { font-size: 12px; color: #666; }


.left-bottom-controls {
    position: fixed;
    margin-bottom: 60px;
    left: 20px;
    bottom: 20px;
    display: flex;
    flex-direction: column; 
    gap: 8px; 
    z-index: 9999;
}

.control-btn {
    background-color: rgba(90, 95, 100, 0.85); 
    color: #ffffff;
    border: 1px solid #777;
    padding: 10px 16px;
    border-radius: 50px;
    cursor: pointer;
    font-size: 14px;
    font-weight: bold;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.4);
    transition: background-color 0.2s, color 0.2s;
    user-select: none;
}

.control-btn:hover {
    background-color: rgba(120, 125, 130, 1);
    color: #fff;
}

.map-modal {
    left: 20px;
    right: auto;
    bottom: 130px; 
    width: 280px; 
}


.map-item {
    padding: 12px 15px;
    border-bottom: 1px solid #333;
    cursor: pointer;
    color: #ddd;
    font-size: 14px;
    transition: background 0.2s;
    border-radius: 4px;
    margin-bottom: 4px;
}

.map-item:hover {
    background-color: #333;
    color: #fff;
}


.map-item.active {
    background-color: rgba(76, 175, 80, 0.15);
    color: #4caf50;
    font-weight: bold;
    border-left: 3px solid #4caf50;
}


.map-group {
    margin-bottom: 4px;
}


.map-group-header {
    padding: 12px 15px;
    background-color: #2a2a2a; 
    border-radius: 4px;
    cursor: pointer;
    color: #ddd;
    font-size: 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.2s;
    user-select: none;
}

.map-group-header:hover {
    background-color: #383838;
    color: #fff;
}

.map-group-header .arrow {
    font-size: 12px;
    color: #888;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}


.map-group.expanded .map-group-header .arrow {
    transform: rotate(90deg);
}


.map-group-children {
    display: none;
    padding-left: 15px;
    padding-top: 4px;
}


.map-group.expanded .map-group-children {
    display: block;
}


.map-group-children .map-item {
    background-color: rgba(0, 0, 0, 0.15); 
    border-bottom: 1px solid #222;
    padding: 10px 15px; 
}

.map-group-children .map-item:hover {
    background-color: #333;
}


.map-group-children .map-item.active {
    background-color: rgba(76, 175, 80, 0.15);
}



.map-text-label {
    color: #ffffff;
    font-size: 16px; 
    font-weight: bold;
    font-family: 'Microsoft YaHei', sans-serif;
    text-align: center;
    white-space: nowrap; 
    text-shadow:
        -1px -1px 0 #000,
         1px -1px 0 #000,
        -1px  1px 0 #000,
         1px  1px 0 #000,
         0px  2px 4px rgba(0,0,0,0.8);
    margin-left: -50%; 
}


.popup-media-scroll {
    max-height: 180px; 
    overflow-y: auto;
    overflow-x: hidden;
    margin-top: 10px;
    padding-right: 4px; 
    display: flex;
    flex-direction: column;
    gap: 8px; 
}


.popup-img {
    width: 100%;
    border-radius: 4px;
    cursor: zoom-in; 
    box-shadow: 0 1px 3px rgba(0,0,0,0.2); 
    display: block; 
}


.popup-media-scroll::-webkit-scrollbar { 
    width: 4px; 
}
.popup-media-scroll::-webkit-scrollbar-track {
    background: #f1f1f1; 
    border-radius: 4px;
}
.popup-media-scroll::-webkit-scrollbar-thumb { 
    background-color: #bbb; 
    border-radius: 4px; 
}
.popup-media-scroll::-webkit-scrollbar-thumb:hover {
    background-color: #888; 
}


.custom-attribution {
    position: fixed;
    bottom: 0;
    right: 0;
    z-index: 9998;
    background-color: rgba(255, 255, 255, 0.5); 
    padding: 4px 8px; 
    font-family: "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    color: #333;
    display: flex;         
    align-items: center;  
    gap: 8px;             
    border-top-left-radius: 6px; 
    pointer-events: auto;
    box-shadow: -1px -1px 4px rgba(0,0,0,0.1); 
}


.attr-logo img {
    height: 26px; 
    width: auto;
    display: block;
}


.attr-text {
    display: flex;
    flex-direction: column; 
    justify-content: center;
    gap: 2px;               
    font-size: 11px;        
    line-height: 1.2;
}


.custom-attribution a {
    color: #0078A8;
    text-decoration: none;
    font-weight: bold; 
}

.custom-attribution a:hover {
    text-decoration: underline;
}