:root { --card-w: 420px; --gap: 16px; --radius: 16px; }
* { box-sizing: border-box; }
html, body { height: 100%; }

body.auth-body{
  min-height:100vh;
  margin:0;
  background:
    radial-gradient(1200px 1200px at 20% 20%, #9c6cff22, transparent 60%),
    linear-gradient(120deg,#7158e2,#a55eea);
  overflow-y:auto; /* ← permite desplazamiento */
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.auth-wrapper{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px; /* respiración para móvil */
}

.auth-card{
  width:100%;
  max-width:var(--card-w);
  background:#fff;
  border-radius:var(--radius);
  box-shadow:0 12px 32px rgba(0,0,0,.15);
  padding:24px;
}

.auth-card h1{ margin:0 0 8px; font-size:22px; }
.auth-card form{ display:grid; gap:var(--gap); }

.auth-card label{ font-size:14px; color:#374151; }
.auth-card input, .auth-card select{
  width:100%;
  padding:10px 12px;
  border:1px solid #e5e7eb;
  border-radius:10px;
  font-size:16px; /* evita zoom en iOS */
  background:#fff;
}

.btn-primary{
  padding:12px;
  border:0;
  border-radius:12px;
  background:#b341ff;
  color:#fff;
  font-weight:600;
  cursor:pointer;
}
.btn-primary:hover{ filter:brightness(1.06); }
.btn-link{ color:#6b21a8; text-decoration:none; }
.btn-link:hover{ text-decoration:underline; }

.muted{ font-size:14px; color:#6b7280; }
.center{ text-align:center; }
.alert{ background:#fef3c7; color:#92400e; padding:10px 12px; border-radius:10px; }

@media (max-width: 480px){
  :root{ --card-w: 360px; }
  .auth-wrapper{ padding:16px; }
}