svg {
    border: 1px solid var(--border-color);
    background-color: var(--card-background);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: move;
}

.station {
    cursor: pointer;
    fill: #fff;
    stroke-width: 2;
    transition: opacity 0.3s ease;
}

.line {
    stroke-width: 4;
    transition: opacity 0.3s ease;
}

.map-dimmed {
    opacity: 0.3;
}

.highlighted-line {
    stroke-width: 6;
    pointer-events: none;
}

.highlighted-group {
    pointer-events: none;
}

.start-point {
    stroke: green;
    stroke-width: 3;
}

.end-point {
    stroke: red;
    stroke-width: 3;
}

.search-controls .arrow {
    font-weight: bold;
    color: #888;
}

.tooltip {
    position: fixed;
    border: 1px solid var(--border-color);
    z-index: 1001;
    background-color: var(--card-background);
    padding: 12px;
    border-radius: 18px;
    display: none;
    box-shadow: 0 2px 8px var(--shadow-color);
    min-width: 200px;
    max-width: 300px;
}

    .tooltip h3 {
        margin-right: 50px;
        line-height: 1.2;
    }

    .tooltip p {
        margin: 5px 0;
        line-height: 1.2;
    }

    .tooltip caption {
        margin-bottom: 0;
        text-align: left;
    }

    .tooltip #fare-zone-info {
        text-align: left;
    }

.tooltip button {
    padding: 5px 10px;
    border: none;
    border-radius: 30px;
    color: #fff;
    cursor: pointer;
}

.wiki-button {
    float: right;
    width: auto;
    font-size: 14px;
    border: none;
    border-radius: 30px;
    background-color: var(--hover-background);
    color: var(--text-color);
    cursor: pointer;
    margin: 0 2px;
    text-align: center;
}

.wiki-button:hover {
    background-color: #ccc;
}

.route-result {
    position: absolute;
    top: 76px;
    right: 60px;
    z-index: 10;
    background-color: var(--header-background);
    padding: 12px 18px;
    padding-bottom: 18px;
    border-radius: 12px;
    box-shadow: 0 2px 5px var(--shadow-color);
    display: none;
    max-width: 240px;
    line-height: 1.2;
}

.route-result ul {
    list-style-type: none;
    padding: 0px;
    margin-bottom: 6px;
    opacity: 0;
}

.route-result li {
    padding: 0px;
    margin-bottom: 12px;
}

.route-result button {
    float: right;
    color: #333;
    width: 24px;
    height: 24px;
    border: none;
    border-radius: 30px;
    background-color: #fff;
    color: #888;
    cursor: pointer;
    text-align: center;
    text-anchor: middle;
    padding: 0;
}

.route-result button:hover {
    background-color: #dbe0e1;
}

.route-result .start, .route-result .end, .route-result .transfer, .route-result .line-stations {
    margin-bottom: 6px;
}

.start::before {
    content: ' ';
    width: 12px;
    height: 12px;
    background-color: green;
    border-radius: 50%;
    margin-right: 10px;
    position: relative;
    display: inline-block;
}

.transfer::before {
    content: ' ';
    width: 8px;
    height: 8px;
    border: 3px solid #7b8a8f;
    border-radius: 50%;
    margin-right: 10px;
    position: relative;
    display: inline-block;
}

.end::before {
    content: ' ';
    width: 12px;
    height: 12px;
    background-color: orange;
    border-radius: 50%;
    margin-right: 10px;
    position: relative;
    display: inline-block;
}

.line-stations {
    color: var(--secondary-text);
    font-size: 14px;
    line-height: 1.2;
    white-space: pre-line;
    padding-left: 22px;
    text-align: left;
}

.line-stations::before {
    font-size: 16px;
    font-weight: bold;
    content: '↓';
    width: 3px;
    height: 100%;
    color: var(--line-color);
    margin-right: 20px;
    margin-left: -24px;
    position: relative;
    display: inline-block;
    vertical-align: top;
}

::marker {
    display: none;
    font-size: 0px;
    height: 0px;
}

#metro-map {
    touch-action: manipulation;
}

.search-controls input {
    border: none;
    width: 72px;
    padding: 5px 10px;
    cursor: pointer;
    border-radius: 30px;
    background-color: var(--background-color);
    color: var(--text-color);
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

.search-controls input:focus {
    outline: none;
}

.search-controls input::-webkit-calendar-picker-indicator {
    display: none;
}

/* 通用控制面板样式 */
.controls {
    position: absolute;
    top: 72px;
    right: 12px;
    z-index: 10;
    background-color: var(--header-background);
    padding: 6px;
    border-radius: 50px;
    box-shadow: 0 2px 5px var(--shadow-color);
    display: flex;
    flex-flow: column;
}

    .controls button {
        width: 24px;
        height: 24px;
        border: none;
        border-radius: 30px;
        background-color: var(--card-background);
        color: var(--secondary-text);
        cursor: pointer;
        display: flex;
        justify-content: center;
        align-items: center;
        padding: 0;
    }

    .controls button img{
        width:14px;
        height:14px;
    }

        .controls button:hover {
            background-color: var(--hover-background);
        }

.back-button {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 1000;
    background-color: var(--header-background);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 5px var(--shadow-color);
    transition: background-color 0.2s;
}

.back-button:hover {
    background-color: var(--card-background);
}

.back-button img {
    width: 24px;
    height: 24px;
    opacity: 0.7;
}

#background {
    position: fixed;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.1);
    z-index: 1000;
    display: none;
    top: 0;
    left: 0;
}

.legend-container {
    position: fixed;
    top: 76px;
    right: 60px;
    background: var(--card-background);
    padding: 12px;
    border-radius: 12px;
    box-shadow: 0 2px 10px var(--shadow-color);
    z-index: 5;
    width: 160px;
    background-color: rgba(255, 255, 255, 0.9);
}

.legend-container h3 {
    margin-top: 0;
    margin-bottom: 4px;
    font-size: 14px;
}

#line-legend .line-item {
    display: flex;
    align-items: center;
    font-size: 13px;
}

#line-legend .line-color {
    width: 24px;
    height: 3px;
    margin-right: 8px;
    border-radius: 2px;
}

#transfer-legend {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-bottom: 8px;
}

#transfer-legend p {
    font-size: 13px;
}

#transfer-legend svg {
    width: 24px;
    height: 24px;
    position: relative;
    border: none;
}

.legend-container .caption {
    color: var(--secondary-text);
    font-size: 11px;
    margin: 0;
    text-align: left;
}

.route-selector {
    display: flex;
    gap: 4px;
    margin: 8px 0;
}

.route-selector button {
    flex: 1;
    padding: 6px 8px;
    border: 1px solid #ddd;
    border-radius: 20px;
    background-color: #f5f5f5;
    color: #333;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s;
    white-space: nowrap;
    min-width: 0;
    text-overflow: ellipsis;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.route-selector button:hover {
    background-color: #e8e8e8;
}

.route-selector button.selected {
    background-color: #f3eee6;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

/* 为屏幕显示保留滚动 */
#line-summary:not(.exporting) {
    max-height: calc(100vh - 320px);
    overflow-y: auto;
    width: 100%;
    /* 自定义滚动条样式 */
    scrollbar-width: thin;
    scrollbar-color: var(--tertiary-text) transparent;
}

/* 导出时解除限制 */
#line-summary.exporting {
    max-height: none;
    overflow-y: visible;
}

#fare-zone-summary {
    border-top: 1px solid #eee;
    margin-top: 6px;
    padding-top: 6px;
}

#fare-zone-summary p {
    margin: 6px 0;
    color: #333;
    font-size: 14px;
    line-height: 1;
}

#fare-zone-summary p:first-child {
    color: var(--primary-color);
    font-weight: 500;
}

.share-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.share-button {
    flex: 1;
    min-width: 80px;
    white-space: nowrap;
}

#image-footer {
    border-top: 1px solid #eee;
    margin-top: 12px;
    padding-top: 12px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-left {
    flex: 1;
    padding-right: 4px;
    display: flex;
    gap: 2px;
    flex-direction: column;
}

.footer-logo {
    height: 24px;
    width: fit-content;
    margin-bottom: 0px;
    margin-top: -4px;
}

.footer-title {
    font-size: 15px;
    font-weight: 600;
    color: #333;
    line-height: 1.4;
}

.footer-caption {
    font-size: 12px;
    color: #666;
    line-height: 1.2;
    height: 54px;
    align-content: flex-end;
}

.footer-right {
    width: 88px;
    height: 88px;
}

.footer-qr {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* 对话框样式 */
.dialog {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.dialog-content {
    background: white;
    border-radius: 12px;
    padding: 20px;
    min-width: 300px;
    max-width: 90%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.dialog h3 {
    margin: 0 0 16px 0;
    font-size: 18px;
}

.dialog-body {
    margin-bottom: 20px;
}

.time-type-selector {
    margin-bottom: 16px;
}

.time-type-selector label {
    margin-right: 16px;
    cursor: pointer;
}

.time-input {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.time-input input {
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

.dialog-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.dialog-button {
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    background: #f5f5f5;
    color: #333;
    transition: background-color 0.2s;
}

.dialog-button:hover {
    background: #e0e0e0;
}

.dialog-button.primary {
    background: var(--primary-color-hover);
    color: white;
}

.dialog-button.primary:hover {
    background: var(--primary-color-hover);
}

/* Dark mode specific adjustments */
@media (prefers-color-scheme: dark) {
    .station {
        fill: #333;
    }
    
    .line-stations::before {
        color: var(--line-color);
    }
    
    .search-controls input::placeholder {
        color: #888;
    }
    
    .controls button img,
    .close-button img {
        filter: invert(1);
    }
    
    .controls button:hover img,
    .close-button:hover img {
        filter: invert(0.8);
    }

    .tooltip {
        background-color: #333;
        border-color: #555;
    }

    .tooltip button {
        background-color: #444;
        color: #fff;
    }

    .tooltip button:hover {
        background-color: #555;
    }

    .route-result {
        background-color: #333;
    }

    .route-result button {
        background-color: #444;
        color: #fff;
    }

    .route-result button:hover {
        background-color: #555;
    }

    .legend-container {
        background-color: #333;
        border-color: #555;
    }

    #line-legend .line-item {
        color: #fff;
    }

    #transfer-legend {
        color: #fff;
    }

    .share-button {
        background-color: #444;
        color: #fff;
        border: 1px solid #555;
    }

    .share-button:hover {
        background-color: #555;
    }

    #image-footer {
        background-color: #333;
    }

    .footer-caption {
        color: #ccc;
    }

    .dialog-content {
        background-color: #333;
        color: #fff;
    }

    .dialog-button {
        background-color: #444;
        color: #fff;
        border: 1px solid #555;
    }

    .dialog-button:hover {
        background-color: #555;
    }

    .dialog-button.primary {
        background-color: #0066cc;
        color: #fff;
    }

    .dialog-button.primary:hover {
        background-color: #0077ee;
    }

    /* 站名文本颜色 */
    .station-label {
        fill: #fff;
    }
    
    /* 车站详情模块的按钮 */
    .close-button, 
    .tooltip .close-button {
        background-color: #444;
    }
    
    .close-button:hover, 
    .tooltip .close-button:hover {
        background-color: #555;
    }
    
    /* 查询结果模块的关闭按钮 */
    .route-result .close-button {
        background-color: #444;
    }
    
    .route-result .close-button:hover {
        background-color: #555;
    }
    
    /* 方案选择按钮 */
    .route-selector button {
        background-color: #444;
        border-color: #555;
        color: #fff;
    }
    
    .route-selector button:hover {
        background-color: #555;
    }
    
    .route-selector button.selected {
        background-color: var(--primary-color-transparent);
        color: var(--primary-color-hover);
        border-color: var(--primary-color);
    }
    
    /* 运营时间和票价信息 */
    #fare-zone-summary {
        border-top-color: #555;
    }
    
    #fare-zone-summary p {
        color: #ccc;
    }
    
    #fare-zone-summary p:first-child {
        color: var(--primary-color);
    }
    
    /* 图例分隔线 */
    #image-footer {
        border-top-color: #555;
    }
    
    /* 对话框分隔线 */
    .dialog hr {
        border-color: #555;
    }

    /* SVG 文本颜色 */
    #metro-map text {
        fill: #fff;
    }
    
    .station-label {
        fill: #fff;
    }
}