:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ink:#1c2430;--muted:#5c6b7a;--line:#d5dde6;--paper:#f4f7fb;--pine:#0f6b4c;font-family:PingFang SC,Noto Sans SC,Segoe UI,sans-serif}*{box-sizing:border-box}body{color:var(--ink);background:var(--paper);margin:0}a{color:var(--pine)}main{max-width:980px;margin:0 auto;padding:24px 20px 64px}.top{border-bottom:1px solid var(--line);background:#fff;flex-wrap:wrap;align-items:center;gap:16px;padding:14px 20px;display:flex}.brand{color:var(--ink);font-weight:700;text-decoration:none}nav{flex-wrap:wrap;gap:14px;display:flex}nav a{text-decoration:none}.kicker{color:var(--muted);letter-spacing:.04em;margin:0}.lede{font-size:1.05rem}h1{margin:.2em 0}.table-wrap{border:1px solid var(--line);background:#fff;border-radius:10px;overflow-x:auto}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:8px 10px}.pn{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.stats{gap:12px;padding:0;list-style:none;display:flex}.stats li{border:1px solid var(--line);background:#fff;border-radius:10px;min-width:120px;padding:12px 16px}.stats strong{font-size:1.6rem;display:block}.stats span{color:var(--muted)}.split{grid-template-columns:minmax(220px,320px) 1fr;gap:16px;display:grid}.tree,.course{padding-left:0;list-style:none}.tree a,.course a{text-decoration:none}.panel,.prompts,.composer,form{border:1px solid var(--line);background:#fff;border-radius:10px;padding:12px}.badge{border-radius:999px;padding:2px 8px;font-size:12px;display:inline-block}.badge-bad{color:#9b1c1c;background:#fde8e8}.badge-ok{color:#0f6b4c;background:#e5f6ee}.badge-demo{color:#3730a3;background:#eef2ff}.prompts{flex-wrap:wrap;gap:8px;margin-bottom:12px;display:flex}button,textarea{font:inherit}textarea{width:100%;min-height:80px}@media (max-width:720px){.split{grid-template-columns:1fr}}