/** LX Form 业务组件扩展 */

.lx-form {
  display: grid;
  gap: var(--lx-space-20);
  min-width: 0;
}

.lx-form__section {
  min-width: 0;
}

.lx-form__section + .lx-form__section {
  padding-top: var(--lx-space-20);
  border-top: 1px solid var(--lx-color-divider);
}

.lx-form__section-title {
  margin: 0 0 var(--lx-space-16);
  color: var(--lx-color-text-primary);
  font-size: var(--lx-font-size-lg);
  font-weight: var(--lx-font-weight-semibold);
}

.lx-form__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--lx-space-16) var(--lx-space-20);
}

.lx-form__grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.lx-form__span-2 {
  grid-column: span 2;
}

.lx-form__span-full {
  grid-column: 1 / -1;
}

.lx-form__required {
  margin-left: var(--lx-space-4);
  color: var(--lx-color-danger);
}

.lx-form__control-group {
  display: flex;
  min-width: 0;
  align-items: stretch;
}

.lx-form__control-group > .lx-input,
.lx-form__control-group > .lx-select {
  min-width: 0;
  flex: 1 1 auto;
}

.lx-form__control-group > :first-child {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.lx-form__control-group > :last-child {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

.lx-form__addon {
  display: inline-flex;
  min-height: var(--lx-control-height);
  align-items: center;
  padding: 0 var(--lx-space-12);
  border: 1px solid var(--lx-color-border);
  color: var(--lx-color-text-secondary);
  font-size: var(--lx-font-size-sm);
  background: var(--lx-color-bg-subtle);
}

.lx-form__error-summary {
  padding: var(--lx-space-12) var(--lx-space-16);
  border: 1px solid var(--lx-color-danger-border);
  border-radius: var(--lx-radius-md);
  color: var(--lx-color-danger);
  font-size: var(--lx-font-size-sm);
  background: var(--lx-color-danger-soft);
}

.lx-form__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--lx-space-8);
  padding-top: var(--lx-space-16);
  border-top: 1px solid var(--lx-color-divider);
}

.lx-date-picker {
  color-scheme: light;
}

.lx-date-picker::-webkit-calendar-picker-indicator {
  cursor: pointer;
  opacity: 0.68;
}

@media (max-width: 1023px) {
  .lx-form__grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .lx-form__grid,
  .lx-form__grid--3 {
    grid-template-columns: minmax(0, 1fr);
  }

  .lx-form__span-2,
  .lx-form__span-full {
    grid-column: auto;
  }

  .lx-form__actions {
    align-items: stretch;
    flex-direction: column-reverse;
  }

  .lx-form__actions .lx-button {
    width: 100%;
  }
}