:root{color-scheme:light dark;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#17243c;background:#f3f5f9}
*{box-sizing:border-box}body{margin:0}main{max-width:650px;margin:auto;padding:64px 24px 40px}.brand{width:56px;height:56px;border-radius:17px;background:#17243c;color:white;display:grid;place-items:center;font-size:25px;font-weight:700}.eyebrow{letter-spacing:.2em;color:#64718a;font-size:12px;font-weight:700;margin-top:24px}h1{font-size:clamp(30px,6vw,44px);line-height:1.3;letter-spacing:-.03em;margin:12px 0 20px}.intro{font-size:17px;line-height:1.8;color:#50607a}section{background:white;border:1px solid #e0e6ef;border-radius:22px;padding:28px;margin:32px 0}h2{font-size:20px;margin:0 0 12px}p{line-height:1.7}label{display:block;color:#64718a;font-size:13px;margin:24px 0 8px}input{font:500 16px ui-monospace,monospace;width:100%;min-height:48px;border:1px solid #d4dce7;border-radius:10px;padding:12px;color:inherit;background:#f8faff}button,.install{display:block;width:100%;min-height:48px;border:0;border-radius:10px;background:#166de8;color:white;text-align:center;font:600 16px -apple-system,BlinkMacSystemFont,sans-serif;padding:14px;margin-top:12px;cursor:pointer;text-decoration:none}button:disabled{background:#dce3ec;color:#687991;cursor:default}.install[hidden]{display:none}.quiet,#instructions{font-size:13px;color:#64718a}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #8bbdff;outline-offset:3px}
@media(prefers-color-scheme:dark){:root{background:#111926;color:#e8eff9}section{background:#192537;border-color:#2d3c54}.brand{background:#e8eff9;color:#17243c}.intro,.quiet,#instructions,label,.eyebrow{color:#aab8ce}input{background:#111926;border-color:#34435c}button:disabled{background:#30405a;color:#abb8ce}}
@media(max-width:400px){main{padding:32px 18px}section{padding:20px}}