.auth-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem 0;
  background: #f6f7f6;
}

.auth-shell {
  width: min(560px, calc(100% - 2rem));
  padding: 2rem 1.5rem;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--color-shadow);
}

.auth-shell h1 {
  margin-bottom: 0.5rem;
  font-size: clamp(2rem, 5vw, 2.5rem);
}

.auth-shell p {
  margin-bottom: 1.5rem;
}

.auth-form {
  display: grid;
  gap: 1rem;
}

.form-grid {
  display: grid;
  gap: 1rem;
}

.field {
  display: grid;
  gap: 0.5rem;
}

.field label {
  font-weight: 700;
}

.field input,
.field select {
  min-height: 50px;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: #ffffff;
  color: var(--color-ink);
}

.field input::placeholder {
  color: #78877c;
}

.auth-note {
  font-size: 0.9rem;
  text-align: center;
}

.auth-note a {
  color: var(--color-brand);
  font-weight: 700;
}

@media (min-width: 640px) {
  .form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}