:root{color:#dbe5f0;background:radial-gradient(circle at top,rgba(91,141,239,.28),transparent 30%),linear-gradient(180deg,#0f172a,#111827);font-family:IBM Plex Sans,Segoe UI,sans-serif;line-height:1.5;font-weight:400}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input,select{font:inherit}.page{display:grid;gap:24px;max-width:1200px;margin:0 auto;padding:48px 20px 64px}.panel{border:1px solid rgba(148,163,184,.2);border-radius:24px;background:#0f172ad1;box-shadow:0 20px 50px #0f172a59;padding:20px;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.heading h1{margin:8px 0 12px;font-size:clamp(2rem,3vw,3rem)}.panel h2{margin:8px 0 0;font-size:1.15rem}.heading p,.panel pre{color:#cbd5e1}.eyebrow{color:#7dd3fc;text-transform:uppercase;letter-spacing:.12em;font-size:.8rem}.row{display:grid;grid-template-columns:88px repeat(3,minmax(0,1fr)) auto;gap:8px;align-items:center;margin-top:8px}.group-shell{margin-top:16px}.group-header{display:flex;gap:12px;align-items:center;justify-content:space-between}.group-actions{display:flex;flex-wrap:wrap;gap:8px}.group-children{margin-top:10px}.implementation-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.where{color:#94a3b8;font-weight:600}.select,.input,.button{border-radius:10px;border:1px solid rgba(148,163,184,.2);background:#1e293bd9;color:inherit;min-height:34px;padding:0 10px;font-size:.92rem}.button{cursor:pointer;background:linear-gradient(135deg,#38bdf8,#2563eb);border:none;font-weight:700}.button-icon{min-width:0;padding:0 10px;font-size:.88rem;line-height:1}.select-compact{min-width:72px}.button-secondary{background:#334155f2}.button-danger{background:#7f1d1df2}.checkbox{display:inline-flex;align-items:center;gap:8px;min-height:34px}.combinator-pill,.value-placeholder{display:inline-flex;align-items:center;justify-content:center;min-height:34px;padding:0 10px;border-radius:10px;background:#334155f2;color:#cbd5e1;font-weight:700;font-size:.9rem}.panel-code pre{overflow:auto;margin:16px 0 0}.implementation-snippet{max-height:420px;padding:14px;border-radius:14px;background:#020617c7;border:1px solid rgba(148,163,184,.14);color:#d7e3f4;font-family:IBM Plex Mono,SFMono-Regular,monospace;font-size:.88rem;line-height:1.65}.code-line{display:block}.token-comment{color:#7c8aa5}.token-string{color:#a5f3fc}.token-keyword{color:#f9a8d4}.token-type{color:#93c5fd}.token-jsx{color:#fca5a5}.token-punctuation{color:#c4b5fd}@media(max-width:900px){.row{grid-template-columns:1fr}.implementation-header{flex-direction:column}}