/* 基础重置与统一设置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #f8f9fa;
    color: #212529;
    min-height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.5;
}

/* 卡片统一样式 */
.base-card {
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: none;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    background-color: #fff;
}

.base-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.base-card .card-header {
    background-color: #fff;
    border-bottom: 1px solid #eee;
    padding: 1rem 1.25rem;
    font-weight: 600;
    color: #333;
    font-size: 1.1rem;
}

.base-card .card-body {
    padding: 1.25rem;
}

/* 按钮统一样式 */
.base-btn {
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: #0d6efd;
    color: #fff;
}

.btn-primary:hover {
    background-color: #0b5ed7;
}

.btn-success {
    background-color: #198754;
    color: #fff;
}

.btn-success:hover {
    background-color: #157347;
}

.btn-danger {
    background-color: #dc3545;
    color: #fff;
}

.btn-danger:hover {
    background-color: #bb2d3b;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid #ddd;
    color: #666;
}

.btn-outline:hover {
    background-color: #f1f1f1;
}

/* 导航栏样式 */
.main-nav {
    background-color: #2d3748;
}

.main-nav .navbar-brand {
    font-weight: 600;
    font-size: 1.25rem;
}

.main-nav .nav-link {
    color: rgba(255, 255, 255, 0.85);
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

.main-nav .nav-link.active,
.main-nav .nav-link:hover {
    color: #fff;
    background-color: #4a5568;
}

.main-nav .dropdown-menu {
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border: none;
}

.main-nav .dropdown-item {
    padding: 0.5rem 1rem;
    transition: background-color 0.2s ease;
}

.main-nav .dropdown-item:hover {
    background-color: #f8f9fa;
}

/* 表单元素统一 */
.form-control {
    border-radius: 4px;
    border: 1px solid #ddd;
    padding: 0.5rem 0.75rem;
    font-size: 0.95rem;
    transition: border-color 0.2s ease;
}

.form-control:focus {
    border-color: #0d6efd;
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.1);
    outline: none;
}

/* 表格样式统一 */
.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.table th,
.table td {
    padding: 0.75rem 1rem;
    vertical-align: middle;
    border-bottom: 1px solid #eee;
}

.table th {
    background-color: #f8f9fa;
    font-weight: 600;
    text-align: left;
}

.table-hover tbody tr:hover {
    background-color: #f8f9fa;
}

/* 分页组件样式 */
.pagination {
    display: flex;
    justify-content: center;
    padding: 1rem 0;
}

.pagination .page-item .page-link {
    color: #0d6efd;
    border: 1px solid #ddd;
    padding: 0.5rem 1rem;
    margin: 0 0.25rem;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.pagination .page-item.active .page-link {
    background-color: #0d6efd;
    border-color: #0d6efd;
    color: #fff;
}

.pagination .page-item .page-link:hover {
    background-color: #f1f1f1;
}

/* 响应式适配 */
@media (max-width: 768px) {
    .responsive-flex {
        flex-direction: column;
        gap: 1rem !important;
    }

    .responsive-btn-group {
        width: 100%;
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }

    .base-card .card-body {
        padding: 1rem;
    }

    .sidebar {
        position: fixed;
        z-index: 100;
        height: 100vh;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

    .sidebar.show {
        transform: translateX(0);
    }

    main {
        margin-left: 0 !important;
    }
}