/* ===== 全局样式 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Microsoft YaHei', 'Segoe UI', sans-serif;
    background: #f0f2f5;
    color: #333;
}

:root {
    --primary: #4f6bed;
    --primary-dark: #3a51c7;
    --primary-light: #e8edfe;
    --success: #52c41a;
    --warning: #faad14;
    --danger: #ff4d4f;
    --info: #1890ff;
    --text-primary: #2c3e50;
    --text-secondary: #7f8c8d;
    --text-tertiary: #bdc3c7;
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --border-color: #e8ecf1;
    --sidebar-width: 230px;
    --header-height: 60px;
}

/* ===== 通用组件 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-default { background: #fff; border: 1px solid var(--border-color); color: var(--text-primary); }
.btn-default:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-lg { padding: 12px 28px; font-size: 16px; }

.card {
    background: var(--bg-white);
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    padding: 20px;
    margin-bottom: 20px;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

/* ===== 表格 ===== */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.data-table th {
    background: #fafbfc;
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
}
.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
}
.data-table tr:hover td {
    background: #f5f7ff;
}

/* ===== 标签/徽章 ===== */
.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}
.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-success { background: #e6f7ed; color: var(--success); }
.badge-warning { background: #fff7e6; color: var(--warning); }
.badge-danger { background: #fff1f0; color: var(--danger); }
.badge-info { background: #e6f4ff; color: var(--info); }
.badge-default { background: #f0f2f5; color: var(--text-secondary); }

/* 状态标签颜色 */
.status-pending { background: #fff7e6; color: #d48806; }
.status-assigned { background: #e6f4ff; color: #0958d9; }
.status-accepted { background: #e6f4ff; color: #0958d9; }
.status-assessing { background: #f6ffed; color: #389e0d; }
.status-reviewing { background: #fff7e6; color: #d48806; }
.status-rejected { background: #fff1f0; color: #cf1322; }
.status-completed { background: #f6ffed; color: #389e0d; }
.status-archived { background: #f0f2f5; color: #531d13; }
.status-expired { background: #fff1f0; color: #cf1322; }

/* 等级标签 */
.level-intact { background: #f6ffed; color: #389e0d; }
.level-mild { background: #fff7e6; color: #d48806; }
.level-moderate { background: #fff2e8; color: #d4380d; }
.level-severe { background: #fff1f0; color: #cf1322; }

/* ===== 表单 ===== */
.form-row {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.form-item {
    flex: 1;
    min-width: 200px;
}
.form-item label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    color: var(--text-secondary);
}
.form-item input, .form-item select, .form-item textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.2s;
}
.form-item input:focus, .form-item select:focus, .form-item textarea:focus {
    outline: none;
    border-color: var(--primary);
}

/* ===== 搜索栏 ===== */
.search-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
    align-items: center;
}
.search-bar input, .search-bar select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    min-width: 160px;
}

/* ===== 分页 ===== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
}
.pagination button {
    padding: 6px 14px;
    border: 1px solid var(--border-color);
    background: #fff;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}
.pagination button:hover { border-color: var(--primary); color: var(--primary); }
.pagination button.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination button:disabled { opacity: 0.5; cursor: not-allowed; }

/* ===== 弹窗 ===== */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.45);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}
.modal-overlay.show { display: flex; }
.modal {
    background: #fff;
    border-radius: 10px;
    width: 600px;
    max-width: 90%;
    max-height: 85vh;
    overflow-y: auto;
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
}
.modal-title { font-size: 18px; font-weight: 600; }
.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-tertiary);
    line-height: 1;
}
.modal-body { padding: 24px; }
.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* ===== 空状态 ===== */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-tertiary);
}
.empty-state .icon { font-size: 48px; margin-bottom: 12px; }

/* ===== 加载中 ===== */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
    .form-row { flex-direction: column; }
    .search-bar { flex-direction: column; align-items: stretch; }
    .search-bar input, .search-bar select { min-width: 100%; }
}