:root{color-scheme:dark;--ink:#eceeea;--muted:#828981;--line:#29302a;--acid:#dfff45;--black:#090b09}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{background:var(--black);color:var(--ink);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 50% 5%,#1a2118 0,transparent 42%),repeating-linear-gradient(90deg,transparent 0,transparent 49px,#101510 50px)}.panel{width:min(100%,430px);border:1px solid var(--line);background:rgba(9,11,9,.94);padding:42px;box-shadow:0 24px 90px #000}.signal{display:grid;place-items:center;width:52px;height:52px;border:1px solid var(--acid);border-radius:50%;color:var(--acid);font:28px/1 Arial,sans-serif;margin-bottom:30px}.eyebrow,.foot{font-size:10px;letter-spacing:.16em;color:var(--muted)}h1{font:500 32px/1.05 Arial,sans-serif;margin:12px 0}.intro{color:#aeb4ae;font:14px/1.55 Arial,sans-serif;margin:0 0 30px}form{display:grid;gap:10px}label{font-size:10px;letter-spacing:.12em;color:#aeb4ae;margin-top:8px}input{width:100%;border:1px solid #343b35;background:#101410;color:var(--ink);padding:14px;font:15px/1.2 inherit;outline:none}input:focus{border-color:var(--acid);box-shadow:0 0 0 1px var(--acid)}button{margin-top:16px;border:0;background:var(--acid);color:#0b0e09;padding:15px;font:700 11px/1 inherit;letter-spacing:.15em;cursor:pointer}button:hover{background:#ecff8c}.error{display:none;color:#ff756f;font-size:12px;line-height:1.4;margin:18px 0 0}.error.visible{display:block}.foot{border-top:1px solid var(--line);margin:30px 0 0;padding-top:18px}@media(max-width:520px){.panel{padding:30px 24px}.shell{padding:14px}h1{font-size:28px}}