:root{color-scheme:light;--bg:#f5f5f5;--card:#fff;--text:#202020;--muted:#606060;--line:#d4d4d4;font:16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
:root[data-theme="dark"]{color-scheme:dark;--bg:#151515;--card:#202020;--text:#eee;--muted:#b5b5b5;--line:#444}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]):not([data-theme="dark"]){color-scheme:dark;--bg:#151515;--card:#202020;--text:#eee;--muted:#b5b5b5;--line:#444}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}.shell{max-width:900px;margin:auto;padding:32px 24px}header,footer,nav,.controls{display:flex;align-items:center;gap:20px;flex-wrap:wrap}header,footer{justify-content:space-between}header{padding-bottom:24px}.brand{font-weight:700;text-decoration:none}a{color:inherit;text-underline-offset:4px}a:hover{text-decoration-thickness:2px}a[aria-current="page"]{font-weight:700}h1{font-size:clamp(1.65rem,5vw,2.1rem);line-height:1.25;margin:30px 0 12px}h2{font-size:1.15rem;line-height:1.4;margin:0 0 12px}p{margin:0 0 16px}p:last-child{margin-bottom:0}.intro{color:var(--muted);max-width:65ch}.card,.controls{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px;margin:20px 0}.controls{align-items:end}.controls label{display:flex;flex-direction:column;gap:6px;font-size:.85rem;font-weight:600;flex:1 1 160px}.controls p{flex:1 1 220px;font-size:.85rem;color:var(--muted)}select{font:inherit;color:var(--text);background:var(--card);border:1px solid var(--line);border-radius:6px;padding:10px;min-height:44px;width:100%}ul{margin:0;padding-left:22px}li+li{margin-top:10px}.muted,footer{color:var(--muted);font-size:.875rem}footer{padding-top:28px;margin-top:32px;border-top:1px solid var(--line)}.policy h1{margin-top:0}.policy h2{margin-top:28px}.policy{overflow-wrap:anywhere}a{overflow-wrap:anywhere}:focus-visible{outline:3px solid var(--text);outline-offset:4px}.skip{position:absolute;top:-100px;left:16px;padding:8px;background:var(--card);z-index:2}.skip:focus{top:8px}[hidden]{display:none!important}@media(max-width:480px){.shell{padding:20px 16px}.card,.controls{padding:18px}nav{gap:16px}header{gap:12px}}