/* simple modern orange + gold theme, uses IRANSans CDN loaded in pages */
:root{
  --brand:#ff6f00;
  --brand-dark:#e65a00;
  --gold:#ffd54f;
  --bg:#f5f6f8;
  --muted:#6c757d;
}
*{box-sizing:border-box;font-family:IRANSans, Tahoma, sans-serif}
body{background:var(--bg);margin:0;padding:20px}
.login-wrap{display:flex;align-items:center;justify-content:center;min-height:90vh}
.login-card{width:560px;border-radius:12px;box-shadow:0 8px 30px rgba(0,0,0,0.08);background:#fff;padding:28px}
.brand{color:var(--brand);font-size:34px;margin:0 0 6px 0}
.brand .gold{color:var(--gold)}
.lead{color:var(--muted);margin-bottom:18px}
.form-control{padding:12px;border-radius:8px;border:1px solid #eee;width:100%}
.btn{border-radius:8px;padding:10px 16px}
.alert{padding:10px;border-radius:8px}

/* Dark mode */
@media (prefers-color-scheme: dark){
  body{background:#121212;color:#eee}
  .login-card{background:#1a1a1a;box-shadow:none}
  .brand{color:var(--gold)}
  .form-control{background:#111;border:1px solid #222;color:#eee}
  .btn{color:#111}
}