:root{color-scheme:light;--ink:#182638;--muted:#65748a;--line:#dfe6ef;--blue:#2858c5;--bg:#f4f7fb}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 system-ui,-apple-system,Segoe UI,sans-serif}header{background:#fff;border-bottom:1px solid var(--line);min-height:82px;display:flex;align-items:center;justify-content:space-between;padding:16px max(24px,calc((100vw - 1180px)/2));gap:24px}.brand{font-size:25px;font-weight:800;letter-spacing:-.8px;color:var(--ink);text-decoration:none;white-space:nowrap}.brand span{font-size:13px;font-weight:500;letter-spacing:0;color:var(--muted);margin-left:14px}nav{display:flex;gap:24px}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}main{max-width:1180px;margin:0 auto;padding:28px 24px 40px}.intro{padding:18px 0 26px}.eyebrow{color:var(--blue);font-size:11px;font-weight:750;letter-spacing:2px;margin:0 0 13px}h1{font-size:clamp(31px,4vw,47px);line-height:1.15;letter-spacing:-1.7px;margin:0 0 17px}h2{font-size:20px;letter-spacing:-.4px;margin:0 0 16px}p{margin:0 0 18px}.intro>p:last-child,.intro div>p:last-child{color:var(--muted);max-width:650px}.layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:24px}.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;margin-bottom:24px;min-width:0;box-shadow:0 4px 18px #172d5210}.narrow{max-width:480px}label{display:block;font-size:13px;font-weight:650;margin-bottom:17px}input,select{width:100%;margin-top:7px;padding:11px 12px;border:1px solid #cad5e3;border-radius:8px;background:#fff;color:var(--ink);font:14px system-ui}input:focus,select:focus{outline:2px solid #aac2fb;outline-offset:1px}input[type=file]{font-size:13px;padding:12px}input[type=file]::file-selector-button{border:0;border-radius:5px;padding:6px 10px;margin-right:10px;background:#ecf1fb;color:var(--blue)}button{border:1px solid var(--blue);border-radius:8px;background:var(--blue);color:white;padding:12px 18px;font:650 14px system-ui;cursor:pointer}button:hover{filter:brightness(.94)}button:disabled{opacity:.45;cursor:wait}.secondary{background:#fff;color:var(--blue);border-color:#cbd8ef}.pair{display:grid;grid-template-columns:1fr 1fr;gap:16px}.muted,.small{color:var(--muted)}.small{font-size:12px;margin-top:14px}.notice{border-radius:10px;padding:14px 18px;margin:8px 0 24px}.error{background:#fff0ef;color:#a52b2b;border:1px solid #f0caca}.success{background:#edf8f0;color:#246a3b;border:1px solid #c9e9d2}pre{background:#f3f6fc;border:1px solid #e0e7f1;border-radius:8px;padding:15px;font:12px/1.9 ui-monospace,SFMono-Regular,Consolas,monospace;white-space:pre-wrap;overflow-wrap:anywhere;margin:12px 0 18px}code{font:12px ui-monospace,SFMono-Regular,Consolas,monospace;overflow-wrap:anywhere}.hash{display:block;color:var(--muted);margin-bottom:20px;line-height:1.8}details{border-top:1px solid var(--line);padding-top:16px;margin-top:22px}summary{font-size:13px;color:var(--blue);cursor:pointer;font-weight:650;margin-bottom:14px}.checks{list-style:none;padding:0;margin:0 0 22px}.checks li{padding:7px 0;border-bottom:1px solid #edf1f6;font-size:13px}.split{display:flex;justify-content:space-between;gap:20px;align-items:center}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:13px;white-space:nowrap}th{text-align:left;color:var(--muted);font-weight:550;background:#f8faff}td,th{padding:14px 12px;border-bottom:1px solid var(--line)}.badge{background:#edf2fc;color:#3d5d94;font-size:11px;padding:4px 9px;border-radius:20px}footer{text-align:center;border-top:1px solid var(--line);padding:24px;font-size:12px;color:var(--muted)}@media(max-width:760px){.layout{grid-template-columns:1fr;gap:0}.pair{grid-template-columns:1fr;gap:0}header{padding:18px 20px}.brand span{display:none}nav{gap:16px;font-size:13px}main{padding:24px 16px}.card{padding:21px}.split{align-items:flex-start}.intro{padding:8px 0 24px}}