/* ============================================
   武术教务管理系统 - 公共样式
   响应式: 电脑/手机/平板自适应
   ============================================ */

/* 全局最小字号15px，覆盖所有内联小字号样式（打印页用pt单位不受影响） */
[style*="font-size:11px"], [style*="font-size: 11px"],
[style*="font-size:12px"], [style*="font-size: 12px"],
[style*="font-size:13px"], [style*="font-size: 13px"],
[style*="font-size:14px"], [style*="font-size: 14px"] {
    font-size: 15px !important;
}

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

:root {
    --primary: #d32f2f;
    --primary-dark: #b71c1c;
    --primary-light: #ffcdd2;
    --secondary: #1976d2;
    --success: #4caf50;
    --warning: #ffc107;
    --danger: #f44336;
    --gray: #9e9e9e;
    --gray-light: #f5f5f5;
    --text: #333;
    --text-light: #666;
    --border: #e0e0e0;
    --bg: #f0f2f5;
    --sidebar-width: 220px;
    --topbar-height: 56px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 15px;
    line-height: 1.6;
}

a {
    color: var(--secondary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* 通用按钮 */
.btn {
    display: inline-block;
    padding: 8px 20px;
    border: none;
    border-radius: 4px;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    text-align: center;
}

.btn:hover {
    opacity: 0.9;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-secondary {
    background: var(--secondary);
    color: #fff;
}

.btn-success {
    background: var(--success);
    color: #fff;
}

.btn-warning {
    background: var(--warning);
    color: #333;
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-sm {
    padding: 4px 12px;
    font-size: 15px;
}

.btn-lg {
    padding: 12px 32px;
    font-size: 16px;
}

.btn-block {
    display: block;
    width: 100%;
}

/* 表单 */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: var(--text);
}

.form-group label .required {
    color: var(--danger);
    margin-left: 2px;
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 15px;
    background: #fff;
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(211, 47, 47, 0.1);
}

select.form-control {
    cursor: pointer;
}

textarea.form-control {
    min-height: 80px;
    resize: vertical;
}

/* 表格 */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.data-table th,
.data-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.data-table th {
    background: var(--gray-light);
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
}

.data-table tbody tr:hover {
    background: #fafafa;
}

.data-table .actions {
    white-space: nowrap;
}

.data-table .actions a,
.data-table .actions button {
    margin-right: 4px;
}

/* 状态标签 */
.tag {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 500;
}

.tag-success { background: #e8f5e9; color: #2e7d32; }
.tag-warning { background: #fff8e1; color: #f57f17; }
.tag-danger { background: #ffebee; color: #c62828; }
.tag-info { background: #e3f2fd; color: #1565c0; }
.tag-gray { background: #f5f5f5; color: #616161; }

/* 卡片 */
.card {
    background: #fff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    margin-bottom: 16px;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border);
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4px;
    margin-top: 20px;
}

.pagination a,
.pagination span {
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: #fff;
    color: var(--text);
    text-decoration: none;
    cursor: pointer;
}

.pagination a:hover {
    background: var(--gray-light);
}

.pagination .current {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* 提示消息 */
.alert {
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 16px;
}

.alert-success { background: #e8f5e9; color: #2e7d32; border: 1px solid #a5d6a7; }
.alert-warning { background: #fff8e1; color: #f57f17; border: 1px solid #ffcc80; }
.alert-danger { background: #ffebee; color: #c62828; border: 1px solid #ef9a9a; }
.alert-info { background: #e3f2fd; color: #1565c0; border: 1px solid #90caf9; }

/* 搜索栏 */
.search-bar {
    background: #fff;
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: flex-end;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.search-bar .form-group {
    margin-bottom: 0;
}

.search-bar .form-group label {
    font-size: 15px;
    margin-bottom: 2px;
}

.search-bar .form-control {
    min-width: 150px;
}

/* 模态框 */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}

.modal-overlay.show {
    display: flex;
}

.modal {
    background: #fff;
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 16px;
}

.modal-close {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--gray);
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    text-align: right;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--gray);
}

.empty-state .icon {
    font-size: 48px;
    margin-bottom: 12px;
}

/* 统计卡片 */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.stat-card {
    background: #fff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-card .stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

.stat-card .stat-info h3 {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.2;
}

.stat-card .stat-info p {
    color: var(--text-light);
    font-size: 15px;
}

/* 响应式 */
@media (max-width: 768px) {
    .data-table {
        font-size: 15px;
    }
    .data-table th,
    .data-table td {
        padding: 8px;
    }
    .search-bar {
        flex-direction: column;
        align-items: stretch;
    }
    .search-bar .form-control {
        min-width: 100%;
    }
    .stat-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .stat-grid {
        grid-template-columns: 1fr;
    }
}