:root{--fg: #1a1a1a;--bg: #fafafa;--card: #ffffff;--border: #e5e7eb;--accent: #2563eb;--muted: #6b7280;--hover: #f3f4f6;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg)}.app{max-width:1200px;margin:0 auto;padding:24px}.app-header{margin-bottom:24px}.app-header h1{margin:0 0 12px;font-size:24px}nav{display:flex;gap:8px;margin-bottom:8px}nav button{padding:8px 16px;border:1px solid var(--border);background:var(--card);cursor:pointer;border-radius:6px;font-size:14px;font-family:inherit}nav button.active{background:var(--accent);color:#fff;border-color:var(--accent)}.meta{color:var(--muted);font-size:12px}.muted{color:var(--muted)}.loading,.error{padding:48px;text-align:center;color:var(--muted)}.error{color:#dc2626}.list{display:flex;flex-direction:column;gap:12px}.card{background:var(--card);border:1px solid var(--border);border-radius:8px;overflow:hidden}.card>header{padding:12px 16px;cursor:pointer;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.card>header:hover{background:var(--hover)}.card h2{margin:0;font-size:16px}.badge{background:#eef2ff;color:#4338ca;padding:2px 8px;border-radius:4px;font-size:12px}.version{color:var(--muted);font-size:12px}table{width:100%;border-collapse:collapse;font-size:14px}th,td{padding:8px 16px;text-align:left;border-top:1px solid var(--border)}th{background:#f9fafb;font-weight:600;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}td{font-variant-numeric:tabular-nums}code{font-family:SF Mono,Menlo,Consolas,monospace;font-size:12px}.compare details{margin-bottom:16px;background:var(--card);border:1px solid var(--border);border-radius:8px;padding:12px 16px}.compare summary{cursor:pointer;font-weight:600;font-size:14px}.filters{display:flex;gap:24px;flex-wrap:wrap;margin-top:12px}fieldset{border:1px solid var(--border);border-radius:6px;padding:8px 12px}legend{font-size:12px;color:var(--muted);padding:0 4px}fieldset label{display:block;font-size:13px;padding:2px 0}.matrix-wrap{overflow:auto;max-height:75vh;background:var(--card);border:1px solid var(--border);border-radius:8px}.matrix{border-collapse:separate;border-spacing:0}.matrix th,.matrix td{border-top:none;border-bottom:1px solid var(--border)}.matrix thead th{position:sticky;top:0;z-index:2;background:#f9fafb;border-bottom:1px solid var(--border)}.matrix th:first-child,.matrix td:first-child{position:sticky;left:0;z-index:1;background:var(--card);border-right:1px solid var(--border);white-space:nowrap}.matrix thead th:first-child{z-index:3;background:#f9fafb}.matrix tbody th.model-cell{text-align:left;text-transform:none;letter-spacing:0;font-weight:500;color:var(--fg);background:var(--card)}.matrix td.leader{font-weight:700}.matrix td.avg-cell{font-variant-numeric:tabular-nums;border-left:1px solid var(--border)}.matrix th .metric{font-size:10px;color:var(--muted);margin-top:2px;text-transform:none;letter-spacing:0}