:root{font-family:Inter,Arial,system-ui,sans-serif;color:#111;background:#fff;font-size:17px}*{box-sizing:border-box}body{margin:0}header,main,footer{max-width:1100px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;gap:16px;align-items:center}header a{font-weight:900;color:#111;text-decoration:none}.badge{font-size:12px;font-weight:800;color:#111;background:#A3E635;display:inline-block;padding:8px}h1{font-size:clamp(38px,6vw,78px);line-height:1.04;letter-spacing:-.04em;max-width:850px;margin:24px 0}.lead{font-size:22px;max-width:760px;line-height:1.5}.price{font-size:28px}p{line-height:1.6}button{background:#8B5CF6;color:white;border:0;border-radius:8px;padding:16px 22px;min-height:48px;font-size:17px;font-weight:750;cursor:pointer}button:disabled{background:#111;color:#fff;opacity:.45;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #8B5CF6;outline-offset:3px}.panel{padding:24px;border:1px solid #ddd;border-radius:12px;margin:28px 0}.fields{display:grid;grid-template-columns:1fr 1fr;gap:20px}label{display:grid;gap:8px;margin:12px 0;font-weight:650}input,select{padding:12px;font:inherit;min-width:0;width:100%;background:#fff;color:#111;border:1px solid #777;border-radius:6px}#results{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:24px 0}.result{background:#0B0B0F;text-align:left;color:white}.result strong{font-size:40px;color:#A3E635}.result[aria-pressed=true]{outline:4px solid #8B5CF6;outline-offset:2px}.result h3{font-size:21px}canvas{display:block;width:min(100%,360px);height:auto;margin:24px auto;border-radius:10px}canvas:empty{background:#0B0B0F}footer{border-top:1px solid #ddd;font-size:14px}footer a{color:#111}@media(max-width:600px){header,main,footer{padding:18px}header{align-items:start;flex-direction:column}header label{max-width:100%;margin:0}.fields{grid-template-columns:1fr}.panel{padding:18px}#results{grid-template-columns:1fr 1fr}.result{padding:14px}.result h3{font-size:18px}button{width:100%}.price{font-size:24px}}