:root{--bg:#fff;--fg:#111;--muted:#5f6368;--accent:#0b5fff;--warn-bg:#fff4d6;--warn-fg:#5a3b00;--card:#f6f7f9;--border:#e3e5e8;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#0e0f11;--fg:#f2f2f2;--muted:#a0a4ab;--accent:#6b9bff;--warn-bg:#3a2d08;--warn-fg:#ffe3a3;--card:#17191c;--border:#2a2d33}}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--fg);margin:0;font:16px/1.55 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.wrap{max-width:56rem;margin:0 auto;padding:16px}.banner{background:var(--warn-bg);color:var(--warn-fg);border:1px solid #00000014;border-radius:10px;margin:16px 0;padding:12px 16px;font-weight:600}h1{letter-spacing:-.02em;margin:.5rem 0 .25rem;font-size:clamp(1.8rem,5vw,2.6rem)}h1 span{color:var(--accent)}h2{margin:2rem 0 .5rem;font-size:1.25rem}h3{margin:1.25rem 0 .25rem;font-size:1.05rem}p,li{color:var(--fg)}.muted{color:var(--muted)}code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em}pre{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:12px;overflow-x:auto}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;margin:12px 0;padding:16px}.btn{background:var(--accent);color:#fff;cursor:pointer;border:0;border-radius:8px;padding:10px 16px;font-weight:600;text-decoration:none;display:inline-block}.btn.secondary{color:var(--accent);border:1px solid var(--accent);background:0 0}.row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.preview{border:1px solid var(--border);background:#fff;border-radius:8px;width:100%;height:70vh}table{border-collapse:collapse;width:100%;font-size:.95rem}td,th{text-align:left;border-bottom:1px solid var(--border);vertical-align:top;padding:6px 8px}td.num{text-align:right;white-space:nowrap}.err{color:#b00020}footer{color:var(--muted);margin:3rem 0 1rem;font-size:.9rem}a{color:var(--accent)}