/* 后台管理系统统一样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 头部导航 */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s;
}

.nav-links a:hover {
    opacity: 0.8;
}

/* 下拉菜单样式 */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    cursor: pointer;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    border-radius: 4px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    min-width: 160px;
    list-style: none;
    padding: 0.5rem 0;
    margin: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 0.5rem 1rem;
    color: #333;
    text-decoration: none;
    transition: background-color 0.3s;
}

.dropdown-menu a:hover {
    background-color: #f8f9fa;
    opacity: 1;
}

/* 卡片样式 */
.card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 2rem;
    margin-bottom: 2rem;
}

/* 表单样式 */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #555;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.2);
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

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

.btn-success {
    background: #28a745;
    color: white;
}

/* 表格样式 */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.table th,
.table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.table th {
    background-color: #f8f9fa;
    font-weight: 600;
    color: #555;
}

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

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: #666;
    font-size: 0.9rem;
}

/* 登录页面特殊样式 */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-card {
    background: white;
    border-radius: 10px;
    padding: 3rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    width: 100%;
    max-width: 400px;
}

.login-title {
    text-align: center;
    margin-bottom: 2rem;
    color: #333;
    font-size: 1.8rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 10px;
    }
    
    .card {
        padding: 1rem;
    }
}

/* 徽章样式 */
.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: bold;
    border-radius: 0.25rem;
    text-align: center;
}

.badge-high {
    background-color: #dc3545;
    color: white;
}

.badge-medium {
    background-color: #ffc107;
    color: #212529;
}

.badge-low {
    background-color: #28a745;
    color: white;
}

/* 状态样式 */
.status-pending {
    color: #f39c12;
    font-weight: 500;
}

.status-claimed {
    color: #3498db;
    font-weight: 500;
}

.status-processing {
    color: #17a2b8;
    font-weight: 500;
}

.status-completed {
    color: #28a745;
    font-weight: 500;
}

/* 审核状态标签样式 */
.status-badge {
    display: inline-block;
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 1rem;
    text-align: center;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.status-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.status-badge:hover::before {
    left: 100%;
}

.status-badge.status-pending {
    background: linear-gradient(135deg, #ffc107 0%, #ffca2c 100%);
    color: #212529;
    border: none;
    box-shadow: 0 2px 8px rgba(255, 193, 7, 0.3);
}

.status-badge.status-approved {
    background: linear-gradient(135deg, #28a745 0%, #34ce57 100%);
    color: white;
    border: none;
    box-shadow: 0 2px 8px rgba(40, 167, 69, 0.3);
}

.status-badge.status-rejected {
    background: linear-gradient(135deg, #dc3545 0%, #e74c3c 100%);
    color: white;
    border: none;
    box-shadow: 0 2px 8px rgba(220, 53, 69, 0.3);
}

.status-badge.status-success {
    background: linear-gradient(135deg, #28a745 0%, #34ce57 100%);
    color: white;
    border: none;
    box-shadow: 0 2px 8px rgba(40, 167, 69, 0.3);
}

.status-badge.status-danger {
    background: linear-gradient(135deg, #dc3545 0%, #e74c3c 100%);
    color: white;
    border: none;
    box-shadow: 0 2px 8px rgba(220, 53, 69, 0.3);
}

.status-badge:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

/* 按钮尺寸 */
.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

/* 表格响应式 */
.table-responsive {
    overflow-x: auto;
}

/* 工具类 */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.d-flex { display: flex; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

/* 表单样式 */
.form-select {
    padding: 0.5rem 0.75rem;
    font-size: 0.95rem;
    border: 2px solid #e9ecef;
    border-radius: 0.375rem;
    background-color: #fff;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23667eea' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m1 6 7 7 7-7'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 14px 10px;
    padding-right: 2.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    min-width: 150px;
}

.form-select:focus {
    border-color: #667eea;
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25), 0 2px 8px rgba(0,0,0,0.15);
    transform: translateY(-1px);
}

.form-select:hover {
    border-color: #adb5bd;
    box-shadow: 0 2px 6px rgba(0,0,0,0.12);
}

/* 筛选区域样式 */
.filter-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 1.5rem;
    border-radius: 0.5rem;
    border: 1px solid #dee2e6;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    margin-bottom: 1.5rem;
}

.filter-section label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #495057;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 分页组件样式 */
.pagination-container {
    margin-top: 2rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 0.5rem;
    border: 1px solid #dee2e6;
}

.pagination-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.page-info {
    font-size: 0.9rem;
    color: #6c757d;
    font-weight: 500;
}

.pagination {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.page-numbers {
    display: flex;
    gap: 0.25rem;
    margin: 0 0.5rem;
}

.page-numbers .btn {
    min-width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.375rem;
    font-weight: 500;
}

.page-jump {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: 1rem;
    padding-left: 1rem;
    border-left: 1px solid #dee2e6;
}

.page-jump span {
    font-size: 0.9rem;
    color: #6c757d;
}

.page-jump input {
    width: 60px;
    height: 2.5rem;
    text-align: center;
    border: 1px solid #ced4da;
    border-radius: 0.375rem;
    font-size: 0.9rem;
}

.page-jump input:focus {
    border-color: #667eea;
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

/* 响应式分页 */
@media (max-width: 768px) {
    .pagination-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .pagination-info {
        justify-content: center;
    }
    
    .pagination {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .page-jump {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        justify-content: center;
    }
}