/**
 * A6.1–A6.3 form controls — plain CSS using --canvas-* tokens.
 */

.canvas-form {
  display: flex;
  flex-direction: column;
  gap: var(--canvas-space-m, 16px);
  font-family: var(--canvas-font-body);
  color: var(--canvas-text-primary);
}

.canvas-form__fields,
.canvas-form__buttons {
  display: flex;
  flex-direction: column;
  gap: var(--canvas-space-m, 16px);
}

.canvas-form[data-streaming="1"],
.canvas-form[data-disabled="1"] {
  opacity: 0.72;
  pointer-events: none;
}

.canvas-form-control {
  display: flex;
  flex-direction: column;
  gap: var(--canvas-space-2, 6px);
}

.canvas-form-control__label,
.canvas-label {
  font-size: var(--canvas-font-size-sm);
  font-weight: var(--canvas-font-weight-medium);
  color: var(--canvas-text-primary);
}

.canvas-form-control__required,
.canvas-label__required {
  color: var(--canvas-danger, #b42318);
}

.canvas-form-control__message,
.canvas-description {
  font-size: var(--canvas-font-size-sm);
  color: var(--canvas-text-secondary);
  margin: 0;
}

.canvas-form-control--error .canvas-form-control__message,
.canvas-description--error {
  color: var(--canvas-danger, #b42318);
}

.canvas-input,
.canvas-textarea,
.canvas-select,
.canvas-datepicker__input {
  box-sizing: border-box;
  width: 100%;
  min-height: 40px;
  padding: var(--canvas-space-2, 8px) var(--canvas-space-3, 12px);
  border: 1px solid var(--canvas-border-default);
  border-radius: var(--canvas-radius-m);
  background: var(--canvas-surface-foreground);
  color: var(--canvas-text-primary);
  font: inherit;
}

.canvas-textarea {
  min-height: 80px;
  resize: vertical;
}

.canvas-input[data-disabled="1"],
.canvas-textarea[data-disabled="1"],
.canvas-select[data-disabled="1"] {
  opacity: 0.6;
}

.canvas-datepicker {
  display: flex;
  gap: var(--canvas-space-2, 8px);
  flex-wrap: wrap;
}

.canvas-slider {
  display: flex;
  flex-direction: column;
  gap: var(--canvas-space-2, 6px);
}

.canvas-slider__input {
  width: 100%;
}

.canvas-slider__value {
  font-size: var(--canvas-font-size-sm);
  color: var(--canvas-text-secondary);
}

.canvas-checkbox-group,
.canvas-radio-group,
.canvas-switch-group {
  display: flex;
  flex-direction: column;
  gap: var(--canvas-space-2, 8px);
}

.canvas-checkbox-item,
.canvas-radio-item,
.canvas-switch-item {
  display: flex;
  gap: var(--canvas-space-2, 8px);
  align-items: flex-start;
  cursor: pointer;
}

.canvas-checkbox-item__label,
.canvas-radio-item__label,
.canvas-switch-item__label {
  font-weight: var(--canvas-font-weight-medium);
}

.canvas-checkbox-item__description,
.canvas-radio-item__description,
.canvas-switch-item__description {
  display: block;
  font-size: var(--canvas-font-size-sm);
  color: var(--canvas-text-secondary);
}

/* Switch: role=switch checkbox → pill track (upstream openui-switch visual) */
.canvas-switch-item__input {
  appearance: none;
  width: 2.25rem;
  height: 1.25rem;
  margin: 0.125rem 0 0;
  flex-shrink: 0;
  border-radius: 999px;
  background: var(--canvas-border-default, #d4d4d8);
  border: none;
  position: relative;
  cursor: pointer;
  transition: background 0.16s ease;
}

.canvas-switch-item__input::after {
  content: "";
  position: absolute;
  top: 0.125rem;
  left: 0.125rem;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: var(--canvas-surface-foreground, #fff);
  box-shadow: 0 1px 2px oklch(0 0 0 / 0.2);
  transition: transform 0.16s ease;
}

.canvas-switch-item__input:checked {
  background: var(--canvas-accent, #2563eb);
}

.canvas-switch-item__input:checked::after {
  transform: translateX(1rem);
}

.canvas-switch-item__input:focus-visible {
  outline: 2px solid var(--canvas-accent, #2563eb);
  outline-offset: 2px;
}

.canvas-chips,
.canvas-option-cards {
  display: flex;
  flex-wrap: wrap;
  gap: var(--canvas-space-2, 8px);
}

.canvas-option-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
}

.canvas-chip,
.canvas-option-card {
  appearance: none;
  border: 1px solid var(--canvas-border-default);
  border-radius: var(--canvas-radius-m);
  background: var(--canvas-surface-foreground);
  color: var(--canvas-text-primary);
  font: inherit;
  padding: var(--canvas-space-2, 8px) var(--canvas-space-3, 12px);
  cursor: pointer;
  text-align: left;
}

.canvas-chip[data-selected="1"],
.canvas-option-card[data-selected="1"] {
  border-color: var(--canvas-accent, #2563eb);
  box-shadow: inset 0 0 0 1px var(--canvas-accent, #2563eb);
}

.canvas-option-card__title {
  font-weight: var(--canvas-font-weight-medium);
}

.canvas-option-card__subtitle {
  font-size: var(--canvas-font-size-sm);
  color: var(--canvas-text-secondary);
}

.canvas-submit,
.canvas-reset {
  align-self: flex-start;
}