/* web_ui/backend/app/static/css/style.css */

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --danger: #dc2626;
    --warning: #d97706;
    --success: #16a34a;
    --info: #0891b2;
    --bg: #f1f5f9;
    --card-bg: #ffffff;
    --bg-card: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-success: #f0fdf4;
    --bg-info: #ecfeff;
    --bg-danger: #fef2f2;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --sidebar-width: 240px;
    --header-height: 60px;
}

* { 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);
    line-height: 1.5;
}

.layout {
    display: flex;
    min-height: 100vh;
}

/* ====== 侧边栏 ====== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--card-bg);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
}

.logo {
    padding: 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon { font-size: 24px; }
.logo-text { font-size: 18px; font-weight: 700; color: var(--primary); }

.nav { padding: 12px; flex: 1; }

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: 8px;
    color: var(--text-muted);
    text-decoration: none;
    margin-bottom: 4px;
    transition: all 0.2s;
}

.nav-item:hover { background: #f8fafc; color: var(--text); }
.nav-item.active { background: #eff6ff; color: var(--primary); font-weight: 600; }
.nav-icon { font-size: 18px; }

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
}
.status-dot.warning { background: var(--warning); }
.status-dot.danger { background: var(--danger); }

/* ====== 主内容区 ====== */
.main {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-height: 100vh;
}

.header {
    height: var(--header-height);
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.header h1 { font-size: 20px; font-weight: 600; }
.header-actions { display: flex; align-items: center; gap: 16px; }
.time { color: var(--text-muted); font-size: 14px; }

.content { padding: 24px; }

/* ====== 卡片 ====== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--border);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.card-title {
    font-size: 13px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.card-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--text);
}

.card-change {
    font-size: 13px;
    margin-top: 8px;
    font-weight: 500;
}
.card-change.up { color: var(--danger); }
.card-change.down { color: var(--success); }

.card-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ====== 表格 ====== */
.table-card {
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border);
    overflow-x: auto;
}

.table-card h2 {
    padding: 16px 20px;
    font-size: 16px;
    font-weight: 600;
    border-bottom: 1px solid var(--border);
}

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

.data-table th,
.data-table td {
    padding: 12px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

.data-table th {
    background: #f8fafc;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover { background: #f8fafc; }

/* ====== 状态标签 ====== */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.badge-l1 { background: #fef3c7; color: #92400e; }
.badge-l2 { background: #fee2e2; color: #991b1b; }
.badge-l3 { background: #fecaca; color: #7f1d1d; }
.badge-l4 { background: #fee2e2; color: #dc2626; }

.badge-level-1 { background: #ecfdf5; color: #065f46; }
.badge-level-2 { background: #fef3c7; color: #92400e; }
.badge-level-3 { background: #fee2e2; color: #991b1b; }
.badge-level-4 { background: #fee2e2; color: #dc2626; }

.badge-healthy { background: #ecfdf5; color: #065f46; }
.badge-l1-cb { background: #fef3c7; color: #92400e; }
.badge-l2-cb { background: #fee2e2; color: #991b1b; }

.badge-info { background: #e0f2fe; color: #0369a1; }

/* ====== 质量评分 ====== */
.score-ring {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 700;
    margin: 0 auto 16px;
    border: 8px solid var(--success);
}
.score-ring.ok { border-color: var(--success); color: var(--success); }
.score-ring.warn { border-color: var(--warning); color: var(--warning); }
.score-ring.bad { border-color: var(--danger); color: var(--danger); }

/* ====== 分页 ====== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 4px;
    padding: 16px;
}

.pagination button {
    padding: 6px 12px;
    border: 1px solid var(--border);
    background: var(--card-bg);
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
}

.pagination button:hover { background: var(--bg); }
.pagination button.active { background: var(--primary); color: white; border-color: var(--primary); }
.pagination button:disabled { opacity: 0.5; cursor: not-allowed; }

/* ====== 空状态 ====== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}
.empty-state .emoji { font-size: 48px; margin-bottom: 16px; }
.empty-state h3 { font-size: 16px; margin-bottom: 8px; color: var(--text); }

/* ====== 筛选栏 ====== */
.filter-bar {
    display: flex;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

.filter-bar select,
.filter-bar input {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    background: var(--card-bg);
}

/* ====== 两栏布局 ====== */
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* ====== 卡片行（水平网格）====== */
.cards-row {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
}

.cards-row .card {
    padding: 16px;
    text-align: center;
}

.cards-row .card h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.metric-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text);
}

.metric-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ====== 统计项（卡片内嵌小卡片）====== */
.stat-item {
    background: #f8fafc;
    border-radius: 8px;
    padding: 16px;
    text-align: center;
    border: 1px solid var(--border);
}

.stat-item .metric-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
}

.stat-item .metric-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ====== 响应式 ====== */
@media (max-width: 768px) {
    .sidebar { width: 60px; }
    .logo-text, .nav-item span:not(.nav-icon) { display: none; }
    .main { margin-left: 60px; }
    .two-col { grid-template-columns: 1fr; }
    .card-grid { grid-template-columns: 1fr 1fr; }
    .header { padding: 0 12px; }
    .header h1 { font-size: 16px; }
    .content { padding: 12px; }
}

@media (max-width: 480px) {
    .card-grid { grid-template-columns: 1fr; }
    .data-table th, .data-table td { padding: 8px 10px; font-size: 12px; }
    .data-table th { font-size: 11px; }
    .filter-bar { padding: 12px; gap: 8px; }
    .filter-bar select, .filter-bar input { font-size: 13px; padding: 6px 8px; }
}

/* ====== 加载动画 ====== */
.loading { text-align: center; padding: 40px; color: var(--text-muted); }
.spinner {
    width: 32px; height: 32px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 12px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ? 帮助气泡（2026-08-04：说明文字统一收进悬停提示，页面更简约；全站通用） */
.gw-help { display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;border-radius:50%;background:#e5e7eb;color:#6b7280;font-size:11px;font-weight:700;cursor:help;margin-left:6px;position:relative;vertical-align:1px;flex:none; }
.gw-help:hover { background:var(--primary);color:#fff; }
.gw-help-tip { display:none;position:absolute;left:50%;transform:translateX(-50%);bottom:22px;width:280px;max-width:76vw;background:#1f2937;color:#f3f4f6;font-size:12px;font-weight:400;line-height:1.7;padding:10px 12px;border-radius:8px;z-index:60;box-shadow:0 6px 20px rgba(0,0,0,.28);text-align:left;white-space:normal; }
.gw-help:hover .gw-help-tip { display:block; }
.gw-help-tip.lt { left:0;transform:none; }
.gw-help-tip.rt { left:auto;right:0;transform:none; }