:root{color-scheme:light dark;--paper:#f4f7fc;--card:#fff;--ink:#123967;--muted:#60758c;--line:#dce5f0;--accent:#173e6c}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.8 system-ui,sans-serif}main,header,footer{max-width:820px;margin:auto;padding:24px}header{display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}.brand{font:bold 32px Georgia,serif;text-decoration:none;color:var(--ink)}nav{display:flex;gap:16px;font-size:13px}a{color:var(--ink)}.eyebrow{letter-spacing:2px;text-transform:uppercase;font-size:12px;color:var(--muted)}h1,h2{font-family:Georgia,serif;line-height:1.2}h1{font-size:clamp(34px,6vw,52px);margin:24px 0}h2{font-size:24px;margin-top:34px}.card{background:var(--card);border:1px solid var(--line);padding:28px;border-radius:22px;margin:20px 0}p,li{color:var(--muted)}label{display:block;font-size:14px;margin-top:16px}input,button,select{font:inherit;border-radius:12px;padding:12px 16px}input{display:block;width:100%;background:var(--paper);color:var(--ink);border:1px solid var(--line)}button{border:0;background:var(--accent);color:#fff;cursor:pointer;margin-top:20px}button:disabled{opacity:.5;cursor:wait}.danger{background:#9c3340}#status{white-space:pre-line}footer{font-size:13px;color:var(--muted)}.quiet{font-size:13px}.languages{display:flex;gap:14px}ul{padding-inline-start:22px}@media(prefers-color-scheme:dark){:root{--paper:#101923;--card:#1a2633;--ink:#aacdf9;--muted:#acb8ca;--line:#324253}}@media(max-width:540px){header{align-items:flex-start;flex-direction:column}main{padding:18px}.card{padding:21px}nav{flex-wrap:wrap}}

input[type=checkbox]{display:inline-block;width:auto;margin-inline-end:8px}