:root{color-scheme:light dark;--bg:#f4f4f2;--card:#fff;--fg:#1c1c1a;--mut:#6b6b66;--line:#d9d9d4;--acc:#b32d2e;--err-bg:#fbeaea;--err:#8a1f20}
@media (prefers-color-scheme:dark){:root{--bg:#161614;--card:#21211f;--fg:#ecece8;--mut:#9a9a94;--line:#3a3a36;--err-bg:#3a1f1f;--err:#ffb3b3}}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;display:grid;place-items:center;padding:16px;background:var(--bg);color:var(--fg);font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{width:100%;max-width:380px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:28px}
.badge{display:inline-block;background:var(--acc);color:#fff;font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:2px 10px;border-radius:99px}
h1{font-size:20px;margin:14px 0 4px}
p{margin:0 0 18px;color:var(--mut);font-size:14px}
label{display:block;font-size:14px;font-weight:600;margin:14px 0 6px}
input{width:100%;font:inherit;color:inherit;background:transparent;border:1px solid var(--line);border-radius:8px;padding:10px 12px}
input:focus{outline:2px solid var(--acc);outline-offset:1px;border-color:transparent}
button{width:100%;margin-top:22px;font:inherit;font-weight:600;color:#fff;background:var(--acc);border:0;border-radius:8px;padding:11px;cursor:pointer}
button:hover{filter:brightness(1.1)}
.err{background:var(--err-bg);color:var(--err);border-radius:8px;padding:10px 12px;font-size:14px;margin:0 0 6px}