:root{--bg:#f4f6f5;--paper:#fff;--ink:#18201d;--muted:#5b6762;--line:#c9d1cd;--accent:#0b7f66;--bad:#b3261e}
@media (prefers-color-scheme:dark){:root{--bg:#121715;--paper:#1a201e;--ink:#e4ebe8;--muted:#9aa8a2;--line:#34403b;--accent:#2EE0B0;--bad:#ff8a80;color-scheme:dark}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 "IBM Plex Sans",system-ui,sans-serif;min-height:100vh;display:grid;place-items:center;padding:24px 16px}
main{width:100%;max-width:380px;background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:28px 26px;display:flex;flex-direction:column;gap:14px}
h1{font:700 22px "IBM Plex Sans Condensed","Arial Narrow",sans-serif;margin:0}p{margin:0;color:var(--muted);font-size:13.5px}
label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted)}
input{font:15px inherit;padding:9px 10px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--ink)}
input:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
button{font:600 14px inherit;padding:10px;border:0;border-radius:6px;background:var(--accent);color:var(--paper);cursor:pointer}
.link{background:none;color:var(--accent);padding:0;font-weight:500;text-align:left}
.msg{min-height:1.4em;font-size:13px}.msg.bad{color:var(--bad)}

body{background:radial-gradient(1200px 500px at 50% -10%,rgba(46,224,176,.18),transparent),var(--bg)}
main{border-top:3px solid #2EE0B0}
.logo{display:flex;align-items:center;gap:10px;font:700 13px/1 Helvetica,Arial,sans-serif;letter-spacing:.22em}