:root{--bg: #f4f6fb;--ink: #0f172a;--muted: #5b6478;--line: #e3e8f0;--card: #ffffff;--brand: #4f46e5;--brand-2: #7c3aed;--ok: #16a34a;--ok-soft: #e8f7ee;--bad: #dc2626;--bad-soft: #fdeaea;--code-bg: #10172b;--code-ink: #dbe4f5;--radius: 16px;--shadow: 0 10px 30px -12px rgba(15, 23, 42, .18);--mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:radial-gradient(900px 480px at 85% -10%,rgba(124,58,237,.14),transparent 60%),radial-gradient(700px 420px at -10% 20%,rgba(79,70,229,.12),transparent 55%),var(--bg);-webkit-font-smoothing:antialiased}button{font-family:inherit;cursor:pointer}a{color:var(--brand)}.wrap{max-width:880px;margin:0 auto;padding:32px 20px 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