:root{color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#f5f7f9;color:#172b36;font-size:16px}*{box-sizing:border-box}body{margin:0}header{background:#fff;border-bottom:1px solid #dae3e9;padding:20px max(24px,calc((100% - 1040px)/2));display:flex;align-items:center;justify-content:space-between;gap:24px}header label{display:flex;align-items:center;gap:12px;margin:0}header select{width:auto}main{max-width:920px;margin:48px auto;padding:0 24px 64px}h1{font-size:clamp(28px,5vw,38px);letter-spacing:-.02em;line-height:1.25;margin-bottom:16px}h2{font-size:23px;margin:0 0 24px}h3{font-size:20px}.lead{font-size:18px;line-height:1.7;color:#536574;max-width:760px}section{background:white;border:1px solid #dae3e9;border-radius:16px;padding:32px;margin-top:28px}label{display:block;margin:0 0 20px;line-height:1.5}label>span{display:block;font-weight:600;margin-bottom:8px}input:not([type=checkbox]),select,textarea{display:block;width:100%;padding:12px;border:1px solid #8f9da6;border-radius:8px;font:inherit;color:inherit;background:white;min-height:46px}textarea{font-family:ui-monospace,monospace}input:focus,select:focus,textarea:focus,button:focus-visible{outline:3px solid #137865;outline-offset:3px}small,.note{display:block;color:#526572;font-size:14px;line-height:1.65;margin-top:8px}.note{background:#f0f6f5;border-radius:8px;padding:14px 16px}.grid{display:grid;grid-template-columns:1fr 1fr;column-gap:24px}.wide{grid-column:1/-1}.check{display:flex;gap:12px;align-items:flex-start}.check input{margin-top:4px;width:20px;height:20px;flex-shrink:0}.check span{font-weight:400}.row{display:flex;justify-content:space-between;gap:20px;align-items:center;flex-wrap:wrap}.row h2{margin:0}.row:has(h2){margin-bottom:24px}button{border:1px solid #137865;background:#137865;color:white;border-radius:8px;padding:12px 22px;font:inherit;min-height:46px;cursor:pointer}button.secondary{color:#172b36;background:white;border-color:#9baab3}button:disabled{opacity:.55;cursor:wait}fieldset{border:1px solid #dae3e9;border-radius:12px;padding:24px;margin:8px 0 24px;min-width:0}legend{padding:0 8px;font-weight:600}#status:not(:empty){border-left:4px solid #137865;padding:12px 16px;background:white;white-space:pre-wrap}#result{border-top:1px solid #dae3e9;margin-top:28px;padding-top:16px}code{display:block;background:#f0f3f6;padding:16px;overflow-wrap:anywhere;margin:18px 0;font-size:14px}[hidden]{display:none!important}@media(max-width:620px){header{align-items:flex-start;padding:20px;flex-direction:column;gap:16px}main{margin-top:28px;padding:0 16px 40px}section{padding:22px}.grid{grid-template-columns:1fr}fieldset{padding:16px}}