:root{--bg:#f5f2ec;--surface:#fffefb;--line:#ebe7e0;--ink:#211f1c;--ink2:#5f5951;--brand:#c2441f;--ok:#1f7a5a;--bad:#b3261e}
@media (prefers-color-scheme:dark){:root{--bg:#131313;--surface:#1d1d1f;--line:#2b2b2e;--ink:#f3efe9;--ink2:#aaa7a2;--brand:#f08a66;--ok:#6fd3a8;--bad:#ff8a80}}
*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;padding:24px 16px;background:var(--bg);color:var(--ink);font:16px/1.55 ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}
.card{width:min(560px,100%);background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:32px 30px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;margin-bottom:18px}.logo img{width:34px;height:34px}
.tag{font-size:12px;font-weight:600;color:var(--ink2);border:1px solid var(--line);border-radius:999px;padding:1px 8px}
h1{font-size:1.3rem;margin:0 0 .5em}p{color:var(--ink2)}
.btn{display:inline-flex;align-items:center;justify-content:center;width:100%;padding:.75rem 1.2rem;border-radius:999px;border:0;background:var(--brand);color:#fff;font:inherit;font-weight:600;cursor:pointer}
.ok{color:var(--ok);font-weight:600}.bad{color:var(--bad);font-weight:600}
ul{padding-left:1.2em}code{font-size:13px;background:var(--bg);padding:1px 6px;border-radius:6px}