:root{--ink:#040d1c;--navy:#0b2545;--blue:#06f;--cyan:#00c6ff;--text:#f4f8ff;--muted:#9fb0c8;--line:#1c3354;--err:#ff8a8a;--ok:#7be0b0}*{box-sizing:border-box}html,body{margin:0}body{background:radial-gradient(1200px 600px at 50% -10%, var(--navy), var(--ink) 70%);min-height:100dvh;color:var(--text);place-items:center;padding:24px 16px;font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;display:grid}main{width:100%;max-width:420px}.brand{letter-spacing:.02em;text-align:center;margin:0 0 20px;font-size:20px;font-weight:700}.brand span{color:var(--cyan)}.card{border:1px solid var(--line);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#0b25458c;border-radius:16px;padding:28px 24px}h1{margin:0 0 6px;font-size:22px}.sub{color:var(--muted);margin:0 0 20px}.form{gap:16px;margin-top:8px;display:grid}label{color:var(--muted);gap:6px;font-size:14px;display:grid}input[type=email],input[type=password],input[name=code]{font:inherit;color:var(--text);background:var(--ink);border:1px solid var(--line);border-radius:10px;width:100%;padding:12px 14px;font-size:16px}input:focus-visible,button:focus-visible,a:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}input.code{letter-spacing:.5em;text-align:center;font-family:ui-monospace,Menlo,monospace;font-size:24px}.hint{color:var(--muted);font-size:12px}.check{color:var(--text);grid-template-columns:20px 1fr;align-items:start;gap:10px;font-size:13px}.check input{width:18px;height:18px;accent-color:var(--blue);margin:2px 0 0}.btn{font:inherit;color:#fff;background:var(--blue);cursor:pointer;border:0;border-radius:10px;width:100%;padding:13px 16px;font-weight:600}.btn:hover:not(:disabled){filter:brightness(1.1)}.btn:disabled{opacity:.6;cursor:progress}.btn.ghost{border:1px solid var(--line);color:var(--muted);background:0 0;font-weight:500}a{color:var(--cyan)}.links{color:var(--muted);text-align:center;margin:4px 0 0;font-size:14px}.msg{border:1px solid var(--line);border-radius:8px;margin:0;padding:10px 12px;font-size:14px}.msg.err{color:var(--err);background:#ff8a8a14;border-color:#5a2a33}.msg.ok{color:var(--ok);background:#7be0b014;border-color:#1f5a45}.lead{color:var(--muted);margin:0;font-size:15px}.lead strong{color:var(--text);word-break:break-all}.who{word-break:break-all}@media (prefers-reduced-motion:no-preference){.btn{transition:filter .15s}}