/* ==========================================================================
   FORMULÁRIOS — campos, opções e mensagens (login, checkout, conta)
   Pensado para fundo claro (.theme-light ou cartões brancos).
   ========================================================================== */

.form {
  display: grid;
  gap: var(--space-4);
}

.form__row {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 560px) {
  .form__row--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .form__row--cep { grid-template-columns: 180px 1fr; }
  .form__row--number { grid-template-columns: 1fr 140px; }
  .form__row--city { grid-template-columns: 1fr 90px; }
}

.field {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.field__label {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--ink);
}

.field__label small {
  font-weight: 400;
  color: var(--gray-500);
}

.field__input {
  width: 100%;
  min-height: 48px;
  padding: 0 var(--space-4);
  font-size: var(--fs-base);       /* 16px: evita zoom automático no iPhone */
  color: var(--ink);
  background: var(--white);
  border: 1px solid #c9d1de;
  border-radius: var(--radius-sm);
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}

textarea.field__input {
  min-height: 96px;
  padding-block: var(--space-3);
  resize: vertical;
}

.field__input:focus {
  outline: none;
  border-color: var(--navy-700);
  box-shadow: 0 0 0 3px rgba(15, 52, 140, 0.15);
}

.field__input[aria-invalid="true"] {
  border-color: var(--danger);
}

.field__input:disabled {
  background: var(--gray-50);
  color: var(--gray-500);
}

.field__hint {
  font-size: var(--fs-xs);
  color: var(--gray-500);
}

.form__error {
  padding: var(--space-3) var(--space-4);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: #b42318;
  background: #fef3f2;
  border: 1px solid #fecdca;
  border-radius: var(--radius-sm);
}

.form__success {
  padding: var(--space-3) var(--space-4);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: #067647;
  background: #ecfdf3;
  border: 1px solid #abefc6;
  border-radius: var(--radius-sm);
}

/* Opções em cartão (entrega/retirada, pagamento, endereços salvos) */
.choice-list {
  display: grid;
  gap: var(--space-3);
}

@media (min-width: 560px) {
  .choice-list--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .choice-list--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

.choice {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--white);
  border: 1px solid #c9d1de;
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast), background-color var(--dur-fast);
}

.choice:hover {
  border-color: var(--navy-700);
}

.choice input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.choice:has(input:checked) {
  border-color: var(--navy-900);
  box-shadow: inset 0 0 0 1px var(--navy-900);
  background: #f5f8ff;
}

.choice:has(input:focus-visible) {
  outline: 2px solid var(--navy-700);
  outline-offset: 2px;
}

.choice .icon {
  color: var(--navy-900);
  flex-shrink: 0;
}

.choice__text {
  display: grid;
  gap: 2px;
  font-size: var(--fs-sm);
  color: var(--gray-500);
  min-width: 0;
}

.choice__text strong {
  color: var(--ink);
  font-size: var(--fs-base);
}

.checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  color: var(--ink);
  cursor: pointer;
}

.checkbox input {
  width: 18px;
  height: 18px;
  accent-color: var(--navy-900);
}

/* Spinner para botões em carregamento */
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}