:root{--bg-app: #f8fafc;--bg-surface: #ffffff;--bg-subtle: #f1f5f9;--bg-hover: #e2e8f0;--border-subtle: #e2e8f0;--border-strong: #cbd5e1;--text-main: #0f172a;--text-muted: #64748b;--text-dim: #94a3b8;--primary: #3b82f6;--primary-hover: #2563eb;--primary-subtle: #eff6ff;--success: #10b981;--success-subtle: #ecfdf5;--warning: #f59e0b;--warning-subtle: #fffbeb;--danger: #ef4444;--danger-subtle: #fef2f2;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, sans-serif;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .08), 0 2px 4px -2px rgba(0, 0, 0, .04)}[data-theme=dark]{--bg-app: #090d16;--bg-surface: #0f172a;--bg-subtle: #1e293b;--bg-hover: #334155;--border-subtle: #1e293b;--border-strong: #334155;--text-main: #f8fafc;--text-muted: #94a3b8;--text-dim: #64748b;--primary: #60a5fa;--primary-hover: #3b82f6;--primary-subtle: #172554;--success: #34d399;--success-subtle: #064e3b;--warning: #fbbf24;--warning-subtle: #451a03;--danger: #f87171;--danger-subtle: #7f1d1d;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .4);--shadow-md: 0 10px 25px -5px rgba(0, 0, 0, .5)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background:var(--bg-app);color:var(--text-main);line-height:1.5;-webkit-font-smoothing:antialiased}.tabular-nums{font-variant-numeric:tabular-nums}.app-shell{display:flex;min-height:100vh}.sidebar{width:250px;background:var(--bg-surface);border-right:1px solid var(--border-subtle);display:flex;flex-direction:column;transition:width .2s ease;position:sticky;top:0;height:100vh}.sidebar-brand{padding:20px;font-size:18px;font-weight:700;display:flex;align-items:center;gap:8px;color:var(--primary);border-bottom:1px solid var(--border-subtle)}.sidebar-nav{flex:1;padding:12px;display:flex;flex-direction:column;gap:4px;overflow-y:auto}.nav-link{display:flex;align-items:center;gap:12px;padding:9px 12px;border-radius:var(--radius-md);color:var(--text-muted);text-decoration:none;font-size:14px;font-weight:500;transition:all .15s ease;cursor:pointer;border:none;background:transparent;width:100%;text-align:left}.nav-link:hover{background:var(--bg-subtle);color:var(--text-main)}.nav-link.active{background:var(--primary-subtle);color:var(--primary);font-weight:600}.main-content{flex:1;display:flex;flex-direction:column;min-width:0}.topbar{height:60px;background:var(--bg-surface);border-bottom:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:10}.page-container{padding:24px;max-width:1280px;margin:0 auto;width:100%;display:flex;flex-direction:column;gap:24px}.card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow-sm)}.grid-cols-4{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.grid-cols-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(360px,1fr));gap:20px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:8px 16px;border-radius:var(--radius-md);font-size:14px;font-weight:550;cursor:pointer;border:none;transition:all .15s ease}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-ghost{background:transparent;color:var(--text-muted);border:1px solid var(--border-subtle)}.btn-ghost:hover{background:var(--bg-subtle);color:var(--text-main)}.input,.select{width:100%;padding:9px 12px;background:var(--bg-surface);border:1px solid var(--border-strong);border-radius:var(--radius-md);color:var(--text-main);font-size:14px;outline:none;transition:border-color .15s ease}.input:focus,.select:focus{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-subtle)}.table-container{overflow-x:auto;border-radius:var(--radius-md);border:1px solid var(--border-subtle)}table{width:100%;border-collapse:collapse;text-align:left;font-size:14px}th{background:var(--bg-subtle);padding:12px 16px;font-weight:600;color:var(--text-muted);border-bottom:1px solid var(--border-subtle)}td{padding:12px 16px;border-bottom:1px solid var(--border-subtle)}tr:hover td{background:var(--bg-subtle)}.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:550}.badge-success{background:var(--success-subtle);color:var(--success)}.badge-warning{background:var(--warning-subtle);color:var(--warning)}.badge-danger{background:var(--danger-subtle);color:var(--danger)}.badge-info{background:var(--primary-subtle);color:var(--primary)}.heatmap-grid{display:grid;grid-template-columns:140px repeat(auto-fit,minmax(120px,1fr));gap:6px;align-items:center}.heatmap-cell{padding:12px;border-radius:var(--radius-sm);text-align:center;font-size:12px;cursor:pointer;transition:transform .15s ease}.heatmap-cell:hover{transform:scale(1.04)}.modal-overlay{position:fixed;inset:0;background:#00000073;backdrop-filter:blur(4px);display:grid;place-items:center;z-index:50;padding:16px}.modal-content{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);max-width:520px;width:100%;padding:24px;box-shadow:var(--shadow-md)}@media(max-width:860px){.sidebar{display:none}}