/* ==============================================
   数据基础设施总览 — 样式表
   overview.html 专用
   ============================================== */

/* === 主题变量 === */
:root {
    --bg: #0b0e17;
    --bg-secondary: #111827;
    --card: rgba(17, 24, 39, 0.8);
    --card-border: rgba(255, 255, 255, 0.06);
    --card-hover: rgba(255, 255, 255, 0.04);
    --text: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --primary: #6366f1;
    --primary-soft: rgba(99, 102, 241, 0.15);
    --primary-glow: rgba(99, 102, 241, 0.3);
    --success: #10b981;
    --success-soft: rgba(16, 185, 129, 0.15);
    --warning: #f59e0b;
    --warning-soft: rgba(245, 158, 11, 0.15);
    --danger: #ef4444;
    --danger-soft: rgba(239, 68, 68, 0.15);
    --info: #3b82f6;
    --info-soft: rgba(59, 130, 246, 0.15);
    --border: rgba(255, 255, 255, 0.08);
    --glass: rgba(255, 255, 255, 0.02);
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
    --mono: 'SF Mono', 'Fira Code', 'Cascadia Code', 'JetBrains Mono', monospace;
}

[data-theme="light"] {
    --bg: #f8fafc;
    --bg-secondary: #f1f5f9;
    --card: rgba(255, 255, 255, 0.9);
    --card-border: rgba(0, 0, 0, 0.06);
    --card-hover: rgba(0, 0, 0, 0.02);
    --text: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --primary: #4f46e5;
    --primary-soft: rgba(79, 70, 229, 0.08);
    --primary-glow: rgba(79, 70, 229, 0.15);
    --success: #059669;
    --success-soft: rgba(5, 150, 105, 0.08);
    --warning: #d97706;
    --warning-soft: rgba(217, 119, 6, 0.08);
    --danger: #dc2626;
    --danger-soft: rgba(220, 38, 38, 0.08);
    --info: #2563eb;
    --info-soft: rgba(37, 99, 235, 0.08);
    --border: rgba(0, 0, 0, 0.08);
    --glass: rgba(255, 255, 255, 0.6);
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

/* === 基础重置 === */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
    transition: background 0.3s, color 0.3s;
}

/* === 背景装饰 === */
.bg-decoration {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}
.bg-decoration::before {
    content: '';
    position: absolute;
    top: -20%; right: -10%;
    width: 600px; height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--primary-glow), transparent 70%);
    filter: blur(80px);
}
.bg-decoration::after {
    content: '';
    position: absolute;
    bottom: -20%; left: -10%;
    width: 500px; height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.15), transparent 70%);
    filter: blur(80px);
}

/* === 布局 === */
.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 20px 24px;
    position: relative;
    z-index: 1;
}

/* === 顶部栏 === */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    gap: 12px;
    flex-wrap: wrap;
}
.top-left { display: flex; align-items: center; gap: 16px; }
.logo {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.top-right { display: flex; align-items: center; gap: 8px; }

.env-selector {
    display: flex;
    gap: 2px;
    background: var(--bg-secondary);
    padding: 3px;
    border-radius: 10px;
    border: 1px solid var(--border);
}
.env-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}
.env-btn:hover { color: var(--text); }
.env-btn.active {
    background: var(--card);
    color: var(--text);
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.env-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--text-muted);
}
.env-btn.active .env-dot { background: var(--success); }
.env-btn.active[data-env="prod"] .env-dot { background: var(--primary); }

.icon-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    width: 36px; height: 36px;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 16px;
    transition: all 0.2s;
}
.icon-btn:hover {
    border-color: var(--primary);
    color: var(--text);
    background: var(--primary-soft);
}

/* === 统计卡片网格 === */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(195px, 1fr));
    gap: 14px;
    margin-bottom: 24px;
}
.stat-card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 18px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}
.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}
.stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--primary-glow);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.12);
}
.stat-card:hover::before { opacity: 1; }
.stat-card .stat-icon { font-size: 1.4rem; margin-bottom: 8px; }
.stat-card .stat-value {
    font-size: 1.6rem; font-weight: 700;
    color: var(--primary); line-height: 1.2;
}
.stat-card .stat-label {
    font-size: 0.78rem; color: var(--text-secondary); margin-top: 4px;
}
.stat-card .stat-detail {
    font-size: 0.7rem; color: var(--text-muted); margin-top: 5px;
}
.stat-card.success .stat-value { color: var(--success); }
.stat-card.warning .stat-value { color: var(--warning); }
.stat-card.danger .stat-value { color: var(--danger); }
.stat-card.info .stat-value { color: var(--info); }

/* === Tab 导航 === */
.tab-nav {
    display: flex;
    gap: 2px;
    background: var(--bg-secondary);
    border-radius: 14px;
    padding: 4px;
    margin-bottom: 20px;
    border: 1px solid var(--border);
    overflow-x: auto;
}
.tab-btn {
    padding: 10px 16px;
    border-radius: 10px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    font-family: inherit;
    display: flex;
    align-items: center;
    gap: 6px;
}
.tab-btn:hover { color: var(--text); background: var(--card-hover); }
.tab-btn.active {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}
.tab-badge {
    background: rgba(255,255,255,0.2);
    padding: 1px 7px;
    border-radius: 8px;
    font-size: 0.7rem;
    font-weight: 600;
}
.tab-btn.active .tab-badge { background: rgba(255,255,255,0.25); }
.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.3s ease; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* === 卡片 === */
.card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 16px;
    backdrop-filter: blur(10px);
}
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 8px;
}
.card-title { font-size: 0.95rem; font-weight: 600; }
.card-subtitle { font-size: 0.76rem; color: var(--text-muted); margin-top: 2px; }

/* === 筛选栏 === */
.filter-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 14px;
    flex-wrap: wrap;
    align-items: center;
}
.filter-input {
    flex: 1;
    min-width: 200px;
    padding: 8px 14px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text);
    font-size: 0.82rem;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s;
}
.filter-input:focus { border-color: var(--primary); }
.filter-input::placeholder { color: var(--text-muted); }

.filter-chip {
    padding: 5px 12px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-muted);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}
.filter-chip:hover { border-color: var(--primary); color: var(--text); }
.filter-chip.active {
    background: var(--primary-soft);
    border-color: var(--primary);
    color: var(--primary);
}

/* === 数据表格 === */
.data-table { width: 100%; border-collapse: collapse; font-size: 0.78rem; }
.data-table th {
    text-align: left; padding: 10px 12px;
    border-bottom: 2px solid var(--border);
    color: var(--text-muted); font-weight: 500;
    font-size: 0.7rem; text-transform: uppercase;
    letter-spacing: 0.5px; white-space: nowrap;
}
.data-table td {
    padding: 9px 12px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover td { background: var(--card-hover); }
.data-table tbody tr { cursor: pointer; transition: background 0.15s; }

.table-name code {
    font-family: var(--mono);
    background: var(--primary-soft);
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 600;
}

/* === Badge === */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 9px;
    border-radius: 8px;
    font-size: 0.7rem;
    font-weight: 600;
    white-space: nowrap;
}
.badge-primary { background: var(--primary-soft); color: var(--primary); }
.badge-success { background: var(--success-soft); color: var(--success); }
.badge-warning { background: var(--warning-soft); color: var(--warning); }
.badge-danger { background: var(--danger-soft); color: var(--danger); }
.badge-info { background: var(--info-soft); color: var(--info); }

.num { font-variant-numeric: tabular-nums; font-weight: 600; }

/* === 按钮 === */
.btn {
    padding: 7px 14px;
    border-radius: 8px;
    border: none;
    font-size: 0.78rem; font-weight: 500;
    cursor: pointer; transition: all 0.2s;
    font-family: inherit;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    text-decoration: none;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { filter: brightness(1.15); box-shadow: 0 4px 12px var(--primary-glow); }
.btn-ghost { background: transparent; color: var(--text-secondary); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--primary); color: var(--text); }
.btn-sm { padding: 4px 10px; font-size: 0.7rem; }

/* === 展开行 === */
.expand-row { display: none; }
.expand-row.active { display: table-row; }
.expand-content {
    background: var(--bg-secondary);
    border-radius: 10px;
    padding: 14px;
    font-size: 0.75rem;
    line-height: 1.7;
    overflow-x: auto;
    max-height: 400px;
    overflow-y: auto;
}
.expand-content pre {
    font-family: var(--mono);
    white-space: pre-wrap;
    word-break: break-all;
    margin: 0;
    color: var(--text-secondary);
}

/* === 数据范围标签 === */
.range-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.68rem;
    color: var(--text-muted);
    background: var(--bg-secondary);
    padding: 2px 8px;
    border-radius: 5px;
    margin-top: 2px;
}

/* === Redis Key 网格 === */
.key-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(175px, 1fr));
    gap: 12px;
}
.key-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
    transition: all 0.25s;
}
.key-card:hover {
    border-color: var(--primary-glow);
    transform: translateY(-1px);
}
.key-card .key-prefix {
    font-family: var(--mono);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 6px;
}
.key-card .key-count { font-size: 1.5rem; font-weight: 700; color: var(--text); }
.key-card .key-desc { font-size: 0.7rem; color: var(--text-muted); margin-top: 4px; }

/* === 工具卡片 === */
.tool-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px;
    margin-bottom: 8px;
    transition: all 0.2s;
}
.tool-card:hover { border-color: var(--primary-glow); }
.tool-name {
    font-family: var(--mono);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--primary);
}
.tool-desc {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 4px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.tool-meta {
    display: flex;
    gap: 6px;
    margin-top: 8px;
    flex-wrap: wrap;
}
.domain-tag {
    padding: 2px 8px;
    border-radius: 5px;
    font-size: 0.68rem;
    font-weight: 600;
}

/* === 快捷入口 === */
.quick-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 14px;
}
.quick-link {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 14px;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s;
}
.quick-link:hover {
    transform: translateY(-2px);
    border-color: var(--primary-glow);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.1);
}
.quick-link .ql-icon { font-size: 2rem; }
.quick-link .ql-title { font-weight: 600; font-size: 0.9rem; }
.quick-link .ql-desc { font-size: 0.76rem; color: var(--text-muted); margin-top: 2px; }

/* === 缓存详情行 === */
.cache-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px 14px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.2s;
}
.cache-item:hover { border-color: var(--primary-glow); }
.cache-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}
.cache-item-key {
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--primary);
    font-weight: 600;
}
.cache-item-meta {
    display: flex;
    gap: 10px;
    font-size: 0.72rem;
    color: var(--text-muted);
}
.cache-item-preview {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
    font-size: 0.72rem;
    color: var(--text-secondary);
    line-height: 1.5;
    display: none;
    max-height: 200px;
    overflow-y: auto;
    word-break: break-all;
}
.cache-item.expanded .cache-item-preview { display: block; }

/* === 加载/空状态 === */
.loading-state {
    text-align: center;
    padding: 50px 20px;
    color: var(--text-muted);
}
.loading-state .spinner {
    display: inline-block;
    width: 28px; height: 28px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 12px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* === 页脚 === */
.footer {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 24px;
    padding: 16px 0;
    border-top: 1px solid var(--border);
}

/* === 响应式 === */
@media (max-width: 768px) {
    .container { padding: 12px 14px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .stat-card { padding: 14px; }
    .stat-card .stat-value { font-size: 1.3rem; }
    .top-bar { flex-direction: column; align-items: flex-start; }
    .top-right { width: 100%; justify-content: flex-end; }
    .tab-nav { gap: 0; }
    .tab-btn { padding: 8px 10px; font-size: 0.76rem; }
    .key-grid { grid-template-columns: repeat(2, 1fr); }
}

/* === 透视面板 === */
.drill-panel { padding: 4px 0; }
.drill-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}
.drill-info { flex: 1; }
.drill-info code {
    font-family: var(--mono);
    background: var(--primary-soft);
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 0.72rem;
}
.drill-actions { display: flex; gap: 4px; }
.drill-filters {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
    flex-wrap: wrap;
    align-items: center;
}
.drill-filter-input {
    padding: 5px 10px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text);
    font-size: 0.72rem;
    font-family: inherit;
    outline: none;
    min-width: 140px;
    transition: border-color 0.2s;
}
.drill-filter-input:focus { border-color: var(--primary); }
.drill-filter-input::placeholder { color: var(--text-muted); font-size: 0.68rem; }
.drill-table td { font-variant-numeric: tabular-nums; }
.drill-table td:not(:first-child) { text-align: right; }

/* === 矩阵热力表 === */
.matrix-table th {
    font-size: 0.65rem;
    padding: 6px 8px;
    text-align: center;
    min-width: 50px;
}
.matrix-table td {
    font-size: 0.75rem;
    padding: 6px 8px;
    transition: all 0.15s;
    font-variant-numeric: tabular-nums;
}
.matrix-table td:hover {
    filter: brightness(1.2);
    outline: 2px solid var(--primary);
    outline-offset: -2px;
    border-radius: 4px;
}

/* === JSON Modal === */
.json-modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.2s ease;
}
.json-modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    max-width: 800px;
    width: 100%;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow);
}
.json-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    gap: 12px;
    flex-wrap: wrap;
}
.json-modal-body {
    padding: 20px;
    overflow: auto;
    font-family: var(--mono);
    font-size: 0.75rem;
    line-height: 1.7;
    color: var(--text-secondary);
    white-space: pre-wrap;
    word-break: break-all;
    margin: 0;
}

/* === 滚动条 === */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }