/* static/css/dashboard.css */
:root {
    --sidebar-width: 250px;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background-color: #f8f9fa;
}

/* 顶部导航 */
.top-navbar {
    height: 60px;
    background-color: #343a40;
    color: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    z-index: 1030;
}

/* 侧边栏 */
.sidebar {
    width: var(--sidebar-width);
    position: fixed;
    top: 60px;
    left: 0;
    bottom: 0;
    background-color: #343a40;
    color: white;
    padding-top: 20px;
    overflow-y: auto;
    transition: all 0.3s;
    z-index: 1020;
}

.sidebar-link {
    padding: 10px 15px;
    color: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: all 0.3s;
}

.sidebar-link:hover {
    color: white;
    background-color: rgba(255, 255, 255, 0.1);
}

.sidebar-link.active {
    color: white;
    background-color: rgba(255, 255, 255, 0.2);
    border-left: 4px solid #007bff;
}

.sidebar-link i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

/* 主内容区 */
.main-content {
    margin-left: var(--sidebar-width);
    margin-top: 60px;
    padding: 20px;
    transition: all 0.3s;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .sidebar {
        margin-left: calc(-1 * var(--sidebar-width));
    }

    .sidebar.active {
        margin-left: 0;
    }

    .main-content {
        margin-left: 0;
    }

    .main-content.sidebar-active {
        margin-left: var(--sidebar-width);
    }
}

/* 用户下拉菜单 */
.user-dropdown .dropdown-toggle::after {
    display: none;
}

.user-dropdown .dropdown-menu {
    right: 0;
    left: auto;
}

/* 内容卡片 */
.content-card {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    padding: 20px;
    margin-bottom: 20px;
}

/* 加载指示器 */
.spinner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    visibility: hidden;
    opacity: 0;
    transition: all 0.3s;
}

.spinner-overlay.show {
    visibility: visible;
    opacity: 1;
}

/* 结果容器 */
#classification-result.result-success {
    border-color: #28a745 !important;
}

#classification-result.result-error {
    border-color: #dc3545 !important;
}

/* 表格样式 */
.table th {
    background-color: #f8f9fa;
    font-weight: 600;
}

/* 文件大小显示 */
.file-size {
    font-family: monospace;
    color: #6c757d;
}

/* 分类标签样式 */
.category-badge {
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.35em 0.65em;
}

/* 分页控件 */
.pagination {
    margin-bottom: 0;
}

.pagination .page-item.active .page-link {
    background-color: #007bff;
    border-color: #007bff;
}

/* 批量上传区域 */
.upload-area {
    border: 2px dashed #dee2e6;
    border-radius: 8px;
    transition: all 0.3s;
}

.upload-area:hover {
    border-color: #007bff;
}

/* 文件操作按钮 */
.file-action-btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

/* 结果统计卡片 */
.stat-card {
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
}

/* 置信度进度条 */
.confidence-bar {
    height: 10px;
    margin-top: 5px;
}

/* 类别分布图 */
.category-chart-container {
    height: 300px;
    margin: 1rem 0;
}