.auth-page {
  min-height: 52vh;
  padding: 56px 0 80px;
  background:
    linear-gradient(180deg, rgba(193, 30, 45, 0.08), rgba(193, 30, 45, 0) 220px),
    linear-gradient(135deg, rgba(220, 167, 58, 0.12), rgba(255, 255, 255, 0) 50%),
    var(--pair-light-bg);
}

.auth-shell {
  max-width: 720px;
  margin: 0 auto;
}

.auth-card {
  padding: 40px;
  border: 1px solid var(--card-border);
  border-top: 4px solid var(--color-gold);
  border-radius: var(--radius-lg);
  background: var(--color-paper);
  color: var(--card-fg);
  box-shadow: var(--shadow-md);
}

.auth-eyebrow {
  margin: 0 0 10px;
  color: var(--color-red);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.auth-card h1 {
  margin-bottom: 12px;
}

.auth-intro {
  margin: 0 0 28px;
  color: var(--pair-default-muted);
}

.auth-alerts {
  display: grid;
  gap: 12px;
  margin-bottom: 24px;
}

.auth-alert {
  padding: 14px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.auth-alert--success {
  border-color: var(--pair-success-border);
  background: var(--pair-success-bg);
  color: var(--pair-success-fg);
}

.auth-alert--error {
  border-color: var(--pair-error-border);
  background: var(--pair-error-bg);
  color: var(--pair-error-fg);
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field {
  display: grid;
  gap: 6px;
  margin-bottom: 8px;
}

.field--full {
  grid-column: 1 / -1;
}

.field label,
.auth-role-label {
  color: var(--field-label);
  font-size: var(--font-size-form-label);
  font-weight: 700;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid var(--field-border);
  border-radius: var(--radius-sm);
  background: var(--field-bg);
  color: var(--field-fg);
  font-size: var(--font-size-control);
}

.field textarea {
  min-height: 100px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--field-focus-border);
  background: var(--field-focus-bg);
  color: var(--field-focus-fg);
  outline: none;
  box-shadow: 0 0 0 1px var(--field-focus-border);
}

.field-error {
  display: none;
  margin-top: 4px;
  color: var(--pair-error-fg);
  font-size: var(--font-size-form-error);
}

.field.invalid .field-error {
  display: block;
}

.field.invalid input,
.field.invalid select,
.field.invalid textarea {
  border-color: var(--pair-error-border);
  background: var(--pair-error-bg);
}

.auth-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 10px;
}

.auth-role-label {
  display: block;
  margin-bottom: 12px;
}

.auth-role-options {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.auth-role-option {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: var(--heading-color);
  font-weight: 600;
}

@media (max-width: 700px) {
  .auth-page {
    padding: 40px 0 56px;
  }

  .auth-card {
    padding: 28px 22px;
  }

  .auth-actions {
    align-items: stretch;
  }

  .auth-actions .btn--primary,
  .auth-actions .btn--secondary {
    width: 100%;
    justify-content: center;
  }

  .field-grid {
    grid-template-columns: 1fr;
  }
}