body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: #000;
}

#map {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 320px; /* 为侧边栏留出空间 */
    right: 0;
    width: auto;
}

/* 侧边栏样式 */
#sidebar {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 320px;
    background-color: #202124;
    color: #e8eaed;
    z-index: 10;
    display: flex;
    flex-direction: column;
    box-shadow: 2px 0 10px rgba(0,0,0,0.5);
}

.header {
    padding: 20px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #3c4043;
}

.logo-icon {
    font-size: 24px;
    color: #4285f4;
    margin-right: 15px;
}

.header h2 {
    margin: 0;
    font-size: 20px;
    font-weight: 500;
}

.search-container {
    padding: 20px;
    border-bottom: 1px solid #3c4043;
}

/* 覆盖 Mapbox Geocoder 默认样式以适应暗色主题 */
.mapboxgl-ctrl-geocoder {
    width: 100% !important;
    max-width: 100% !important;
    background-color: #303134 !important;
    box-shadow: none !important;
    border: 1px solid #5f6368 !important;
    border-radius: 24px !important;
}

.mapboxgl-ctrl-geocoder--input {
    color: #e8eaed !important;
}

.mapboxgl-ctrl-geocoder--icon-search {
    fill: #9aa0a6 !important;
}

.menu-items {
    padding: 10px 0;
    border-bottom: 1px solid #3c4043;
}

.menu-item {
    padding: 15px 20px;
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: background-color 0.2s;
}

.menu-item:hover {
    background-color: #303134;
}

.menu-item.active {
    background-color: rgba(66, 133, 244, 0.15);
    color: #8ab4f8;
}

.menu-item i {
    width: 24px;
    margin-right: 15px;
    font-size: 18px;
}

.layer-control {
    padding: 20px;
    flex-grow: 1;
}

.layer-control h3 {
    margin: 0 0 15px 0;
    font-size: 14px;
    color: #9aa0a6;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.layer-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.layer-btn {
    background-color: #303134;
    color: #e8eaed;
    border: 1px solid #5f6368;
    padding: 10px 15px;
    border-radius: 8px;
    cursor: pointer;
    text-align: left;
    transition: all 0.2s;
    font-size: 14px;
}

.layer-btn:hover {
    background-color: #3c4043;
}

.layer-btn.active {
    border-color: #4285f4;
    background-color: rgba(66, 133, 244, 0.1);
    color: #8ab4f8;
}

.footer-info {
    padding: 15px 20px;
    border-top: 1px solid #3c4043;
    font-size: 12px;
    color: #9aa0a6;
    background-color: #171717;
}

.footer-info p {
    margin: 5px 0;
    font-family: monospace;
}

/* 右下角悬浮控件 */
#controls-panel {
    position: absolute;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 10;
}

#controls-panel button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #202124;
    color: #e8eaed;
    border: 1px solid #5f6368;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
    transition: all 0.2s;
}

#controls-panel button:hover {
    background-color: #303134;
    transform: scale(1.05);
}

#controls-panel button.active {
    color: #4285f4;
    border-color: #4285f4;
}

#controls-panel button i {
    font-size: 16px;
}