:root{color-scheme:light dark;--page:#f4f6f8;--surface:#fff;--ink:#14181f;--ink2:#4a5260;--line:#d9dee6;--accent:#2b6cc4;--bad:#c4403f}
@media (prefers-color-scheme:dark){:root{--page:#0e1014;--surface:#161a20;--ink:#eceef2;--ink2:#b4bac6;--line:#252a33;--accent:#3987e5;--bad:#ff8a80}}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%}
body{background:var(--page);color:var(--ink);font:15px/1.5 "Segoe UI Variable Text","Segoe UI",system-ui,-apple-system,sans-serif;display:grid;place-items:center;padding:24px 16px}
.box{width:100%;max-width:400px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:28px 24px}
.brand{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.mark{width:40px;height:40px;border-radius:12px;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:700;font-size:20px}
.brand b{display:block}.brand span{display:block;color:var(--ink2);font-size:13px}
h1{font-size:22px;margin:0 0 12px}
.f{display:grid;gap:14px}
label{display:grid;gap:6px;font-size:13px;color:var(--ink2)}
label small{font-weight:400}
input{font:inherit;color:var(--ink);background:transparent;border:1px solid var(--line);border-radius:10px;padding:11px 12px;min-height:44px}
input:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.btn{font:inherit;font-weight:600;background:var(--accent);color:#fff;border:0;border-radius:10px;min-height:46px;cursor:pointer}
.btn:disabled{opacity:.6;cursor:wait}
.erro{margin:0;color:var(--bad);font-size:14px}
.dica{margin:0;color:var(--ink2);font-size:14px}
.rodape{margin:20px 0 0;color:var(--ink2);font-size:12px;text-align:center}
[hidden]{display:none!important}