/* 基础样式 */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    margin: 0;
    padding: 20px;
    background: #f8f9fa;
}

/* 公共容器 */
.auth-container, .upload-container {
    max-width: 400px;
    margin: 50px auto;
    padding: 30px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

/* 地图样式 */
#map {
    height: 60vh;
    margin: 20px 0;
    border-radius: 12px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* 导航按钮 */
.nav-btn {
    padding: 8px 16px;
    background: #007bff;
    color: white!important;
    border-radius: 8px;
    text-decoration: none;
    margin: 0 5px;
}

/* 仪表盘布局 */
.dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.card {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* 时间线 */
.timeline {
    display: flex;
    overflow-x: auto;
    padding: 10px 0;
}

.timeline-item {
    flex: 0 0 120px;
    margin: 0 10px;
    text-align: center;
}

.timeline-item img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 8px;
}

/* 弹出窗口 */
.popup-content img {
    width: 250px;
    height: 150px;
    object-fit: cover;
    border-radius: 8px;
}

.popup-info {
    margin-top: 10px;
    font-size: 14px;
    color: #666;
}