:root{color-scheme:dark;--bg: #0c111b;--bg-elevated: #131b28;--border: #243044;--text: #e8eefc;--muted: #8b9bb8;--accent: #5b8cff;--good: #3dd68c;--bad: #ff6b7a;--card-radius: 12px;font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text)}*{box-sizing:border-box}body{margin:0;min-height:100vh}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.layout{display:flex;min-height:100vh}.sidebar{width:220px;border-right:1px solid var(--border);padding:20px 16px;background:var(--bg-elevated)}.sidebar h1{font-size:1.05rem;margin:0 0 16px;letter-spacing:.02em}.nav{display:flex;flex-direction:column;gap:6px}.nav a{padding:8px 10px;border-radius:8px;color:var(--text);text-decoration:none}.nav a:hover{background:#5b8cff1f}.nav a.active{background:#5b8cff33;color:var(--text)}.main{flex:1;padding:24px 28px 40px;max-width:1400px}.page-title{margin:0 0 8px;font-size:1.5rem}.page-sub{margin:0 0 20px;color:var(--muted);font-size:.95rem}.grid{display:grid;gap:16px}.grid.cols-4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--card-radius);padding:16px}.card h3{margin:0 0 8px;font-size:.85rem;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em}.metric-value{font-size:1.35rem;font-weight:650}.table-wrap{overflow:auto;border:1px solid var(--border);border-radius:var(--card-radius)}table.data{width:100%;border-collapse:collapse;font-size:.9rem}table.data th,table.data td{padding:10px 12px;border-bottom:1px solid var(--border);text-align:left;white-space:nowrap}table.data th{color:var(--muted);font-weight:600;cursor:pointer;-webkit-user-select:none;user-select:none}table.data tr:hover td{background:#ffffff08}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:.75rem;background:#5b8cff26;color:var(--text)}.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:16px}input,select,button{font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:8px 10px}button.primary{background:var(--accent);border-color:transparent;color:#0a0f18;font-weight:600;cursor:pointer}button.primary:disabled{opacity:.5;cursor:not-allowed}.error{color:var(--bad)}.muted{color:var(--muted)}.chart{height:420px}.chart.large{height:560px}.sankey-chart-host{width:100%;min-height:520px;overflow-x:auto;overflow-y:visible;margin:0 -8px}.card--sankey{overflow:visible}