:root{--bg: #f3f6f8;--card: #fff;--ink: #14212b;--muted: #5a6b76;--accent: #0b6e4f;--accent-2: #0a4d74;--warn: #8a5a00;--err: #8b1e1e;--line: #d5dee5;--radius: 12px;font-family:"Source Sans 3",Noto Sans SC,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:radial-gradient(1200px 600px at 10% -10%,#d9efe6 0%,transparent 55%),radial-gradient(900px 500px at 100% 0%,#d7e8f5 0%,transparent 50%),var(--bg);min-height:100vh}.wrap{max-width:960px;margin:0 auto;padding:2.5rem 1.25rem 5rem}.hero{margin-bottom:1.5rem}.hero h1{font-family:"IBM Plex Serif",Georgia,serif;font-weight:600;font-size:clamp(1.6rem,3vw,2.2rem);margin:0 0 .5rem;letter-spacing:-.02em}.hero p{color:var(--muted);max-width:42rem;line-height:1.55;margin:0}.toolbar{display:flex;gap:.5rem;flex-wrap:wrap;margin:1rem 0 1.25rem}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.25rem;margin-bottom:1rem;box-shadow:0 1px #14212b0a}.card h2{margin:0 0 1rem;font-size:1.05rem}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:.85rem}label{display:flex;flex-direction:column;gap:.35rem;font-size:.85rem;color:var(--muted)}label.check{flex-direction:row;align-items:center;gap:.5rem;grid-column:1 / -1}input[type=number]{border:1px solid var(--line);border-radius:8px;padding:.55rem .65rem;font:inherit;color:var(--ink);background:#fbfcfd}button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;border-radius:999px;padding:.65rem 1.1rem;font:inherit;font-weight:600;cursor:pointer;background:var(--accent);color:#fff}button.secondary{background:var(--accent-2)}button.ghost{background:transparent;color:var(--accent-2);border:1px solid var(--line)}.kpi{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:.75rem;margin:0}.kpi div{background:#f7fafb;border-radius:8px;padding:.75rem}.kpi dt{font-size:.75rem;color:var(--muted)}.kpi dd{margin:.25rem 0 0;font-size:1.1rem;font-weight:650}.warn{color:var(--warn)}.err{color:var(--err)}.disc,.meta{color:var(--muted);font-size:.9rem}.links{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:.75rem}.links a{color:var(--accent-2)}.example-card{border-color:#b7d9cb;background:linear-gradient(165deg,#f4fbf7,#fff 55%)}.example-name{margin:0 0 .35rem;font-weight:700;font-size:1.05rem;color:var(--ink)}.example-summary,.example-learn{margin:0 0 .55rem;color:var(--muted);line-height:1.5;font-size:.92rem}.example-learn{padding:.65rem .75rem;border-left:3px solid var(--accent);background:#0b6e4f0f;border-radius:0 8px 8px 0}#exampleStatus:not([hidden]){margin-top:.25rem;color:var(--accent)}