:root{--bg:#0a0a0b;--bg2:#111114;--card:#131316;--line:#ffffff14;--txt:#f6f6f3;--muted:#9a9a93;--lime:#e3ff5e;--lime2:#b4e63f;--danger:#ff6b6b}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:radial-gradient(1200px 700px at 50% -10%, #b0d2281a, transparent 60%), var(--bg);color:var(--txt);-webkit-font-smoothing:antialiased;min-height:100vh;font-family:Inter,system-ui,-apple-system,sans-serif}.wrap{justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.card{background:linear-gradient(165deg, var(--card), #0e0e10);border:1px solid var(--line);text-align:center;border-radius:24px;width:100%;max-width:420px;padding:38px 34px;box-shadow:0 30px 80px -30px #000c}.brand{justify-content:center;align-items:center;gap:12px;margin-bottom:8px;display:flex}.brand img{object-fit:contain;filter:brightness(0)invert()drop-shadow(0 2px 8px #ffffff1f);background:#ffffff0f;border-radius:50%;width:58px;height:58px;padding:11px;box-shadow:inset 0 0 0 1px #ffffff29}.brand b{letter-spacing:.01em;font-family:Sora,sans-serif;font-size:24px;font-weight:800}.brand b i{color:var(--lime);font-style:normal}.title{margin:18px 0 6px;font-family:Sora,sans-serif;font-size:22px;font-weight:700}.sub{color:var(--muted);max-width:320px;margin:0 auto 26px;font-size:14px;line-height:1.5}.btn{cursor:pointer;border:1px solid #0000;border-radius:14px;justify-content:center;align-items:center;gap:10px;width:100%;padding:14px 18px;font-size:15px;font-weight:700;text-decoration:none;transition:transform .15s,box-shadow .2s,background .2s,border-color .2s;display:inline-flex}.btn:active{transform:translateY(1px)}.btn-google{color:#1a1a1a;background:#fff}.btn-google:hover{box-shadow:0 10px 30px -10px #ffffff4d}.btn-ghost{color:var(--lime);background:0 0;border-color:#d4fb504d;margin-top:12px;font-size:14px;font-weight:600}.btn-ghost:hover{border-color:var(--lime);background:#d4fb500f}.btn-lime{background:linear-gradient(170deg, var(--lime), var(--lime2));color:#14160a}.btn-lime:hover{box-shadow:0 12px 34px -12px #d4fb5099}.btn[disabled]{opacity:.55;cursor:not-allowed}.alert{color:#ffb3b3;text-align:left;background:#ff6b6b1a;border:1px solid #ff6b6b4d;border-radius:12px;margin-bottom:20px;padding:11px 14px;font-size:13px}.alert.ok{color:var(--lime);background:#b0e63f1a;border-color:#b0e63f52}.qrbox{background:#fff;border-radius:18px;margin:8px auto 18px;padding:16px;display:inline-block}.qrbox img,.qrbox svg,.qrbox canvas{width:220px;height:220px;display:block}.code{letter-spacing:.18em;color:var(--lime);margin:6px 0 4px;font-family:Sora,monospace;font-size:30px;font-weight:800}.hint{color:var(--muted);font-size:13px;line-height:1.5}.muted-link{color:var(--muted);cursor:pointer;background:0 0;border:none;margin-top:16px;font-size:13px;text-decoration:underline}.spin{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:16px;height:16px;animation:.8s linear infinite sp;display:inline-block}@keyframes sp{to{transform:rotate(360deg)}}.field{border:1px solid var(--line);background:var(--bg2);width:100%;color:var(--txt);border-radius:12px;margin-bottom:14px;padding:12px 14px;font-family:inherit;font-size:15px}.field:focus{border-color:var(--lime);outline:none}