:root{--ink:#10221c;--muted:#5d6b66;--line:#dfe6e3;--bg:#f7faf9;--accent:#0f6b52;--warn:#8a5a00;--radius:10px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Assistant,Heebo,system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.65}main{max-width:46rem;margin:0 auto;padding:2.5rem 1.25rem 4rem}h1{font-size:1.9rem;line-height:1.3;margin:0 0 .5rem}h2{font-size:1.15rem;margin:2.25rem 0 .75rem}p{margin:0 0 1rem}.sub{color:var(--muted);margin-bottom:2rem}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.25rem;margin-bottom:1rem}.muted{color:var(--muted);font-size:.9rem}.notice{background:#fff8e8;border:1px solid #f0dcae;color:var(--warn);border-radius:var(--radius);padding:.9rem 1.1rem;margin-bottom:1.25rem}label{display:block;font-weight:600;margin:1rem 0 .3rem}input,select{width:100%;padding:.7rem .8rem;font:inherit;color:inherit;border:1px solid var(--line);border-radius:var(--radius);background:#fff}input:focus,select:focus{outline:2px solid var(--accent);outline-offset:1px}.checkbox{display:flex;gap:.55rem;align-items:flex-start;font-weight:400;margin-top:1rem}.checkbox input{width:auto;margin-top:.35rem}button{margin-top:1.5rem;width:100%;padding:.85rem 1rem;font:inherit;font-weight:600;color:#fff;background:var(--accent);border:0;border-radius:var(--radius);cursor:pointer}button[disabled]{opacity:.6;cursor:progress}.score{display:flex;align-items:baseline;gap:.6rem}.score strong{font-size:3.2rem;line-height:1}.list{margin:0;padding:0;list-style:none}.list li{padding:.55rem 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:1rem}.list li:last-child{border-bottom:0}.answer{-webkit-border-start:3px solid var(--line);border-inline-start:3px solid var(--line);-webkit-padding-start:.9rem;padding-inline-start:.9rem;margin-bottom:1.25rem}.answer .q{font-weight:600}.tag{font-size:.78rem;color:var(--muted)}.error{color:#a1231d}