/* ── 全局重置 & 变量 ────────────────────────── */
:root {
    --primary: #4f6ef7;
    --primary-hover: #3b5de7;
    --danger: #e74c3c;
    --danger-hover: #c0392b;
    --success: #27ae60;
    --warning: #f39c12;
    --bg: #f5f7fa;
    --card-bg: #ffffff;
    --text: #333;
    --text-secondary: #666;
    --border: #e1e5eb;
    --radius: 8px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.5;
}

/* ── 导航栏 ────────────────────────────────── */
.nav {
    background: linear-gradient(135deg, #2c3e50, #3498db);
    color: #fff;
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 8px;
    height: 56px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.nav-logo { font-size: 20px; font-weight: 700; margin-right: 24px; white-space: nowrap; }
.nav-tab {
    background: none; border: none; color: rgba(255,255,255,0.7); padding: 8px 20px;
    border-radius: 6px; cursor: pointer; font-size: 14px; transition: all 0.2s;
}
.nav-tab:hover { background: rgba(255,255,255,0.15); color: #fff; }
.nav-tab.active { background: rgba(255,255,255,0.25); color: #fff; font-weight: 600; }

/* ── 主内容区 ───────────────────────────────── */
.main-content {
    max-width: 1200px; margin: 24px auto; padding: 0 24px;
    min-height: calc(100vh - 120px);
}
.main-content.loading { opacity: 0.5; }

/* ── 页面头部 ───────────────────────────────── */
.page-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 20px; flex-wrap: wrap; gap: 12px;
}
.page-header h2 { font-size: 22px; font-weight: 700; }

/* ── 统计栏 ────────────────────────────────── */
.stats-bar { display: flex; gap: 16px; flex-wrap: wrap; }
.stat-item { font-size: 13px; color: var(--text-secondary); }
.stat-item strong { color: var(--text); }
.stat-item.success strong { color: var(--success); }
.stat-item.error strong { color: var(--danger); }

/* ── 过滤栏 ────────────────────────────────── */
.filter-bar { display: flex; gap: 10px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }

/* ── 按钮 ──────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 16px; border-radius: 6px; cursor: pointer;
    font-size: 14px; font-weight: 500; border: 1px solid var(--border);
    background: #fff; color: var(--text); transition: all 0.2s;
    white-space: nowrap;
}
.btn:hover { border-color: #ccc; background: #f8f9fa; }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-hover); }
.btn-danger { color: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-sm { padding: 4px 12px; font-size: 13px; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

/* ── 表单 ──────────────────────────────────── */
.form-group { margin-bottom: 14px; display: flex; flex-direction: column; }
.form-group label { font-weight: 600; margin-bottom: 4px; font-size: 13px; color: var(--text-secondary); }
.form-row { display: flex; gap: 12px; }
.flex-1 { flex: 1; } .flex-2 { flex: 2; } .flex-3 { flex: 3; }
.form-input {
    padding: 8px 12px; border: 1px solid var(--border); border-radius: 6px;
    font-size: 14px; width: 100%; transition: border-color 0.2s;
    background: #fff; color: var(--text);
}
.form-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79,110,247,0.15); }
.required { color: var(--danger); }
.mapping-row td { vertical-align: middle; }

/* ── 表格 ──────────────────────────────────── */
.data-table {
    width: 100%; border-collapse: collapse; background: var(--card-bg);
    border-radius: var(--radius); overflow: hidden; box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.data-table th {
    background: #f8f9fa; padding: 12px 14px; text-align: left;
    font-weight: 600; font-size: 13px; color: var(--text-secondary);
    border-bottom: 2px solid var(--border);
}
.data-table td {
    padding: 10px 14px; border-bottom: 1px solid var(--border); font-size: 13px;
}
.data-table tr:hover td { background: #f8f9ff; }
.data-table .actions { white-space: nowrap; display: flex; gap: 4px; }

/* ── 详情表格 ──────────────────────────────── */
.detail-table { width: 100%; border-collapse: collapse; }
.detail-table td { padding: 8px 12px; border-bottom: 1px solid var(--border); }
.detail-table td:first-child { font-weight: 600; color: var(--text-secondary); width: 120px; }

/* ── 状态标签 ──────────────────────────────── */
.badge {
    display: inline-block; padding: 2px 8px; border-radius: 10px;
    font-size: 12px; font-weight: 500;
    background: #e8f0fe; color: var(--primary);
}
.status-tag {
    display: inline-block; padding: 3px 10px; border-radius: 10px;
    font-size: 12px; font-weight: 600;
}
.status-success { background: #d4edda; color: #155724; }
.status-failed { background: #f8d7da; color: #721c24; }
.status-running { background: #fff3cd; color: #856404; }
.status-stopped { background: #e2e3e5; color: #383d41; }
.status-started { background: #d1ecf1; color: #0c5460; }
.status-paused { background: #ffeaa7; color: #6c5b00; }

/* ── 空状态 ────────────────────────────────── */
.empty-state {
    text-align: center; padding: 48px 24px; color: var(--text-secondary);
    font-size: 15px; background: var(--card-bg); border-radius: var(--radius);
}

/* ── 模态框 ────────────────────────────────── */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.4);
    display: flex; align-items: center; justify-content: center; z-index: 1000;
    backdrop-filter: blur(2px);
}
.modal-box {
    background: var(--card-bg); border-radius: 12px; width: 90%; max-width: 780px;
    max-height: 85vh; overflow-y: auto; box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}
.modal-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 16px 24px; border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 18px; }
.modal-close {
    background: none; border: none; font-size: 24px; cursor: pointer;
    color: var(--text-secondary); padding: 0 4px;
}
.modal-body { padding: 20px 24px; }
.modal-footer {
    padding: 14px 24px; border-top: 1px solid var(--border);
    display: flex; justify-content: flex-end; gap: 10px;
}

/* ── 确认框 ────────────────────────────────── */
.confirm-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.3);
    display: flex; align-items: center; justify-content: center; z-index: 1001;
}
.confirm-box {
    background: var(--card-bg); border-radius: 12px; padding: 24px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2); max-width: 400px; text-align: center;
}
.confirm-box p { margin-bottom: 20px; font-size: 15px; }
.confirm-actions { display: flex; gap: 10px; justify-content: center; }

/* ── 通知 ──────────────────────────────────── */
.notification {
    position: fixed; top: 20px; right: 20px; z-index: 2000;
    padding: 12px 20px; border-radius: 8px; color: #fff; font-size: 14px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15); animation: slideIn 0.3s ease;
    max-width: 400px;
}
.notification.success { background: var(--success); }
.notification.error { background: var(--danger); }
.notification.info { background: var(--primary); }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ── 分页 ──────────────────────────────────── */
.pagination {
    display: flex; justify-content: center; align-items: center;
    gap: 12px; margin-top: 16px; font-size: 13px; color: var(--text-secondary);
}

/* ── 错误提示 ──────────────────────────────── */
.error-box { color: var(--danger); padding: 20px; text-align: center; }

/* ── 代码样式 ──────────────────────────────── */
code {
    background: #f0f2f5; padding: 2px 6px; border-radius: 4px;
    font-family: "SF Mono", Menlo, monospace; font-size: 12px;
}

/* ── 响应式 ────────────────────────────────── */
@media (max-width: 768px) {
    .form-row { flex-direction: column; }
    .data-table { font-size: 12px; }
    .page-header { flex-direction: column; align-items: flex-start; }
}

/* ── SQL 编辑器 ────────────────────────────── */
.sql-editor {
    font-family: "SF Mono", "Cascadia Code", Consolas, monospace !important;
    font-size: 13px !important;
    line-height: 1.6 !important;
    resize: vertical;
    min-height: 100px;
    tab-size: 4;
    background: #1e1e2e !important;
    color: #cdd6f4 !important;
    border-color: #45475a !important;
}
.sql-editor:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(79,110,247,0.15) !important;
}