body.auth-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  margin: 0;
  padding: 1rem;
  background:
    radial-gradient(ellipse 70% 50% at 10% 20%, rgba(26, 155, 132, 0.35), transparent),
    radial-gradient(ellipse 50% 40% at 90% 80%, rgba(196, 92, 38, 0.22), transparent),
    linear-gradient(160deg, #062821 0%, #0a3d35 45%, #0c1f1a 100%);
  font-family: "DM Sans", system-ui, -apple-system, sans-serif;
  color: #0c1f1a;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  padding: 2rem;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.35);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

.brand-mark {
  margin: 0;
  text-align: center;
  font-family: "Instrument Serif", Georgia, serif;
  font-size: 1.1rem;
  color: #0d6b5c;
  letter-spacing: .04em;
}

.auth-card h1 {
  margin: .2rem 0 0;
  font-family: "Instrument Serif", Georgia, serif;
  font-size: 2.2rem;
  font-weight: 400;
  text-align: center;
  color: #062821;
}

.auth-card .subtitle {
  margin: .4rem 0 1.6rem;
  text-align: center;
  color: #5a6e67;
  font-size: .92rem;
}

.auth-card label {
  display: block;
  margin: 1rem 0 .35rem;
  font-size: .85rem;
  font-weight: 600;
}

.auth-card input {
  width: 100%;
  box-sizing: border-box;
  padding: .85rem 1rem;
  border: 1px solid #d5e0db;
  border-radius: 12px;
  font-size: .95rem;
}

.auth-card input:focus {
  outline: none;
  border-color: #0d6b5c;
  box-shadow: 0 0 0 3px rgba(13, 107, 92, 0.15);
}

.auth-card .btn {
  width: 100%;
  margin-top: 1.4rem;
  padding: .9rem;
  border: none;
  border-radius: 12px;
  background: #0d6b5c;
  color: white;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
}

.auth-card .btn:hover { background: #094c42; }

.alert {
  padding: .75rem 1rem;
  border-radius: 10px;
  font-size: .9rem;
  margin-bottom: .5rem;
}
.alert-error { background: #fdeceb; color: #b42318; }
.alert-info { background: #e8f4f2; color: #0d6b5c; }
.alert-info a { color: inherit; font-weight: 700; }