:root{color-scheme:light;--max-width: 44rem;--gap: 1rem}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.6;color:#1a1a1a;background:#fafafa}#app{max-width:var(--max-width);margin:0 auto;padding:var(--gap);overflow-wrap:break-word;min-width:0}header h1{font-size:1.5rem;margin:0 0 .5rem}nav ul{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;margin:0 0 var(--gap);padding:0}nav button{font:inherit;padding:.4rem .8rem;border:1px solid #555;border-radius:.4rem;background:#fff;cursor:pointer}nav button[aria-current=page]{background:#1a1a1a;color:#fff}nav button:focus-visible{outline:2px solid #005fcc;outline-offset:2px}main h2{font-size:1.25rem}main h3{font-size:1.05rem}fieldset{border:1px solid #999;border-radius:.4rem;margin:0 0 var(--gap);padding:.75rem}legend{padding:0 .4rem;font-weight:600}.option{display:flex;gap:.6rem;align-items:flex-start;padding:.45rem .2rem;border-bottom:1px solid #e2e2e2}.option:last-child{border-bottom:none}.option input{margin-top:.35rem;width:1.1rem;height:1.1rem;flex-shrink:0}.option label{cursor:pointer}input:focus-visible{outline:2px solid #005fcc;outline-offset:2px}progress{width:100%;height:.7rem}.actions{display:flex;flex-wrap:wrap;gap:.6rem;margin:var(--gap) 0}.actions button{font:inherit;padding:.5rem 1rem;border:1px solid #555;border-radius:.4rem;background:#fff;cursor:pointer}.actions button:disabled{opacity:.45;cursor:not-allowed}.actions button:focus-visible{outline:2px solid #005fcc;outline-offset:2px}.notice,.error{border:1px solid #8a6d00;background:#fff8e1;border-radius:.4rem;padding:.6rem .8rem}.error{border-color:#8f1d1d;background:#fdecea}details{margin-top:.6rem}details code{word-break:break-all}article h3{font-size:.95rem;word-break:break-all}@media(max-width:32rem){#app{padding:.75rem}}