/* 公共样式 */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2E86C1;
    --primary-dark: #1A5490;
    --success: #58D68D;
    --warning: #F39C12;
    --danger: #E74C3C;
    --text: #2C3E50;
    --text-light: #7F8C8D;
    --border: #BDC3C7;
    --bg: #ECF0F1;
    --card: #FFFFFF;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

/* 按钮样式 */
.btn-primary {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(46, 134, 193, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    padding: 10px 20px;
    background: white;
    color: var(--primary);
    border: 1px solid var(--primary);
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: var(--primary);
    color: white;
}

.btn-success {
    padding: 10px 20px;
    background: var(--success);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-danger {
    padding: 10px 20px;
    background: var(--danger);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    color: var(--text);
    font-weight: 500;
    margin-bottom: 8px;
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

/* 卡片样式 */
.card {
    background: var(--card);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

/* 消息提示 */
.message {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.message.info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

.message.warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

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

/* 导航栏 */
.navbar {
    background: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    font-size: 20px;
    font-weight: bold;
    color: var(--primary);
    text-decoration: none;
}

.navbar-menu {
    display: flex;
    gap: 20px;
    align-items: center;
}

.navbar-link {
    color: var(--text);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 6px;
    transition: all 0.3s;
}

.navbar-link:hover {
    background: var(--bg);
    color: var(--primary);
}

.navbar-link.active {
    background: var(--primary);
    color: white;
}

/* 移动端菜单按钮 */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text);
}

/* 表格样式 */
.table-container {
    overflow-x: auto;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

table {
    width: 100%;
    border-collapse: collapse;
}

table thead {
    background: var(--bg);
}

table th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text);
    border-bottom: 2px solid var(--border);
}

table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}

table tbody tr:hover {
    background: var(--bg);
}

/* 操作按钮组 */
.action-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-edit {
    background: var(--primary);
    color: white;
}

.btn-delete {
    background: var(--danger);
    color: white;
}

.btn-view {
    background: var(--success);
    color: white;
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 12px;
    padding: 30px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-header h2 {
    margin: 0;
    color: var(--text);
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-light);
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
}

.pagination button {
    padding: 8px 16px;
    border: 1px solid var(--border);
    background: white;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
}

.pagination button:hover:not(:disabled) {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination .page-info {
    color: var(--text-light);
    font-size: 14px;
}

/* 徽章 */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.badge-success {
    background: #d4edda;
    color: #155724;
}

.badge-danger {
    background: #f8d7da;
    color: #721c24;
}

.badge-warning {
    background: #fff3cd;
    color: #856404;
}

.badge-info {
    background: #d1ecf1;
    color: #0c5460;
}

.badge-primary {
    background: #cce5ff;
    color: #004085;
}

/* 响应式布局 */
@media (max-width: 1024px) {
    .container {
        padding: 15px;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 14px;
    }
    
    .card {
        padding: 15px;
    }
    
    .navbar-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 10px;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    }
    
    .navbar-menu.active {
        display: flex;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .table-container {
        font-size: 13px;
    }
    
    table th,
    table td {
        padding: 8px 10px;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .modal-content {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 10px;
    }
    
    .navbar-content {
        padding: 10px 15px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    table {
        font-size: 12px;
    }
    
    table th,
    table td {
        padding: 6px 8px;
    }
}