:root{color-scheme:light;--surface: #fcfcfb;--surface-2: #f4f3f0;--text: #0b0b0b;--text-2: #52514e;--text-3: #767570;--border: #dcdbd6;--grid: #eceae6;--link: #1c5cab;--series-1: #2a78d6;--series-2: #eb6834;--series-3: #1baf7a;--series-4: #eda100;--series-5: #e87ba4;--accent: #2a78d6}@media(prefers-color-scheme:dark){:root{color-scheme:dark;--surface: #1a1a19;--surface-2: #232322;--text: #ffffff;--text-2: #c3c2b7;--text-3: #8f8e86;--border: #3a3a37;--grid: #2c2c2a;--link: #86b6ef;--series-1: #3987e5;--series-2: #d95926;--series-3: #199e70;--series-4: #c98500;--series-5: #d55181;--accent: #3987e5}}*{box-sizing:border-box}body{margin:0;background:var(--surface);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.55}main{max-width:1100px;margin:0 auto;padding:0 20px 80px}a{color:var(--link)}h1{font-size:1.7rem;font-weight:650;margin:1.6rem 0 .2rem}h2{font-size:1.25rem;font-weight:650;margin:2.6rem 0 .6rem;padding-top:1.2rem;border-top:1px solid var(--border)}h3{font-size:1.02rem;font-weight:650;margin:1.4rem 0 .4rem}p{margin:.5rem 0;max-width:72ch}.subtitle{color:var(--text-2);margin-top:0}code,pre{font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:.88em}pre{background:var(--surface-2);border:1px solid var(--border);border-radius:6px;padding:10px 14px;overflow-x:auto}.muted{color:var(--text-2)}.small{font-size:.85rem}.row{display:flex;flex-wrap:wrap;gap:20px;align-items:flex-start}.panel{border:1px solid var(--border);border-radius:8px;padding:14px 16px;background:var(--surface)}button{font:inherit;font-size:.9rem;padding:5px 14px;border:1px solid var(--border);border-radius:6px;background:var(--surface-2);color:var(--text);cursor:pointer}button:hover:not(:disabled){border-color:var(--text-3)}button:disabled{opacity:.5;cursor:default}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}select,input[type=text]{font:inherit;font-size:.9rem;padding:4px 8px;border:1px solid var(--border);border-radius:6px;background:var(--surface);color:var(--text)}label{font-size:.9rem}table.data{border-collapse:collapse;font-size:.85rem;font-variant-numeric:tabular-nums}table.data th,table.data td{border:1px solid var(--border);padding:3px 10px;text-align:right}table.data th{background:var(--surface-2);font-weight:600}table.data td.left,table.data th.left{text-align:left}.legend-swatch{display:inline-block;width:14px;height:3px;border-radius:2px;vertical-align:middle;margin-right:6px}.chart-tooltip{position:absolute;pointer-events:none;background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:6px 10px;font-size:.8rem;box-shadow:0 2px 8px #0000001f;z-index:10;white-space:nowrap}.field-caption{font-size:.85rem;color:var(--text-2);margin-top:4px}footer{margin-top:4rem;padding-top:1rem;border-top:1px solid var(--border);color:var(--text-3);font-size:.85rem}.topnav{padding-top:1.1rem;font-size:.9rem}.topnav a{color:var(--text-2);text-decoration:none;font-weight:600}.topnav a:hover{color:var(--text)}.problem-list{display:flex;flex-direction:column;gap:12px;max-width:720px}.problem-card{display:block;border:1px solid var(--border);border-radius:8px;padding:14px 18px;text-decoration:none;color:var(--text);background:var(--surface)}.problem-card:hover{border-color:var(--text-3)}.problem-card-title{display:flex;align-items:center;gap:10px;font-size:1.02rem;font-weight:650}.problem-card-summary{color:var(--text-2);margin-top:4px;font-size:.92rem}.problem-card-meta{color:var(--text-3);margin-top:6px;font-size:.82rem}.badge{font-size:.72rem;font-weight:600;color:var(--text-2);border:1px solid var(--border);border-radius:4px;padding:1px 6px;background:var(--surface-2)}