:root{
  --bg:#06060d;--panel:rgba(20,16,38,.7);--txt:#e8e6f4;--dim:#9892b5;
  --violet:#a47bff;--cyan:#41e2ff;--pink:#ff6bd6;--bad:#ff5c7a;--ok:#42d392;
  --grad:linear-gradient(135deg,#a47bff 0%,#41e2ff 50%,#ff6bd6 100%);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--txt);font-family:'Inter',-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-tap-highlight-color:transparent}
.stars{position:fixed;inset:0;background:
 radial-gradient(2px 2px at 20% 30%,#fff7,transparent 50%),
 radial-gradient(1px 1px at 70% 20%,#fffa,transparent 50%),
 radial-gradient(1px 1px at 40% 80%,#fff5,transparent 50%),
 radial-gradient(2px 2px at 85% 65%,#fff8,transparent 50%),
 linear-gradient(180deg,#06060d 0%,#0a0820 60%,#06060d 100%);z-index:-2}
.stars::after{content:"";position:absolute;inset:0;background:
 radial-gradient(circle at 30% 20%,rgba(164,123,255,.18),transparent 40%),
 radial-gradient(circle at 80% 70%,rgba(65,226,255,.13),transparent 40%);}
.auth{min-height:100%;display:flex;align-items:center;justify-content:center;padding:24px;padding-top:max(24px,env(safe-area-inset-top));padding-bottom:max(24px,env(safe-area-inset-bottom))}
.card{background:var(--panel);border:1px solid rgba(164,123,255,.2);border-radius:18px;padding:28px;width:100%;max-width:380px;backdrop-filter:blur(16px);box-shadow:0 8px 40px rgba(0,0,0,.5)}
.card.wide{max-width:440px}
.brand{font-size:22px;font-weight:600;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:4px}
.brand .glyph{filter:drop-shadow(0 0 8px var(--violet));color:#fff;-webkit-text-fill-color:#fff}
.sub{color:var(--dim);font-size:13px;margin-bottom:22px}
form{display:flex;flex-direction:column;gap:8px}
label{font-size:12px;color:var(--dim);text-transform:uppercase;letter-spacing:.08em;margin-top:6px}
label.checkbox{flex-direction:row;display:flex;align-items:center;gap:8px;text-transform:none;letter-spacing:0;font-size:13px;color:var(--txt);margin-top:6px}
label.checkbox .dim{color:var(--dim);font-size:11px}
input[type=password],input[type=text]{background:rgba(6,6,14,.6);border:1px solid rgba(164,123,255,.25);border-radius:10px;color:var(--txt);padding:14px 14px;font-size:16px;font-family:inherit;outline:none;transition:border .15s,box-shadow .15s;-webkit-appearance:none;appearance:none}
input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(65,226,255,.18)}
button{background:var(--grad);border:0;color:#fff;font-weight:600;padding:14px;border-radius:10px;cursor:pointer;font-size:15px;letter-spacing:.04em;margin-top:14px;transition:transform .15s,box-shadow .15s,opacity .15s;font-family:inherit}
button:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(164,123,255,.45)}
button:disabled{opacity:.5;cursor:not-allowed;transform:none}
.err{color:var(--bad);font-size:13px;margin:6px 0 0;text-align:center}
.hint{color:var(--dim);font-size:11px;text-align:center;margin-top:14px}
.qrwrap{display:flex;justify-content:center;padding:14px;background:#fff;border-radius:12px;margin:14px 0}
.qrwrap img{display:block;width:240px;height:240px}
.secret{display:block;font-family:'JetBrains Mono',monospace;font-size:13px;padding:10px;background:rgba(6,6,14,.6);border-radius:8px;word-break:break-all;margin-top:6px}
.dim{color:var(--dim)}
details summary{cursor:pointer;font-size:12px;color:var(--dim);padding:8px 0}
.btnlink{display:block;text-align:center;background:var(--grad);color:#fff;padding:14px;border-radius:10px;text-decoration:none;margin-top:14px;font-weight:600;font-size:15px}
@media (max-width:480px){
  .auth{padding:16px}
  .card{padding:22px;border-radius:14px}
}