/* ── Shared primitives ─────────────────────────────────────────
   Form, card, and entrance-animation primitives shared by BOTH
   visual surfaces (staff citadel via base.html, storefront/customer
   via base_shop.html). Promoted out of citadel.css so storefront
   forms (OTP login, guest checkout) render styled. Surface files
   (citadel.css, shop.css) load AFTER this and may override. */

/* ── Cards ────────────────────────────────────────────────── */
.card {
  background: white;
  border: 1px solid var(--color-parchment);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.card-header h2 {
  font-size: 1.1rem;
}

/* ── Forms ────────────────────────────────────────────────── */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  margin-bottom: var(--space-xs);
}

.form-input,
.form-select,
textarea.form-input {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-parchment);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  color: var(--color-ink);
  background: white;
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-copper);
  box-shadow: 0 0 0 3px rgba(198, 125, 62, 0.15);
}

.form-input::placeholder {
  color: var(--color-muted);
}

.form-input-amount {
  font-size: 1.5rem;
  font-weight: 700;
  text-align: right;
  padding: var(--space-md) var(--space-lg);
}

.form-hint {
  font-size: 0.75rem;
  color: var(--color-muted-accessible);
  margin-top: var(--space-2xs);
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-ink);
}

.form-checkbox input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  accent-color: var(--color-copper);
}

.form-label.required::after {
  content: " *";
  color: var(--color-copper);
}

.form-optional {
  font-size: 0.8rem;
  color: var(--color-muted);
  font-weight: normal;
}

.link-muted {
  color: var(--color-muted-accessible);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.link-muted:hover {
  color: var(--color-brew);
}

input:disabled.form-input {
  opacity: 0.6;
  cursor: wait;
}

.form-actions {
  display: flex;
  gap: var(--space-sm);
  padding-top: var(--space-md);
}

/* ── Animations ──────────────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in {
  animation: fadeIn 0.3s var(--ease-out) both;
}

.animate-in:nth-child(1) { animation-delay: 0ms; }
.animate-in:nth-child(2) { animation-delay: 50ms; }
.animate-in:nth-child(3) { animation-delay: 100ms; }
.animate-in:nth-child(4) { animation-delay: 150ms; }
.animate-in:nth-child(5) { animation-delay: 200ms; }