/**
 * Theme toggle — light / dark mode control (place in nav, header, settings)
 */

@use "../abstracts/variables" as v;

.#{v.class-seg()}theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0;
  padding: 2px;
  border: v.$border-width-1 solid var(--border-default);
  border-radius: var(--border-radius-round);
  background: var(--surface-muted);
}

.#{v.class-seg()}theme-toggle__option {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: var(--min-touch-target, 2.75rem);
  min-height: var(--min-touch-target, 2.75rem);
  padding: 0 var(--space-3);
  border: 0;
  border-radius: var(--border-radius-round);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font: inherit;
  line-height: 1;
  transition:
    background-color v.$motion-duration-fast v.$motion-easing,
    color v.$motion-duration-fast v.$motion-easing,
    box-shadow v.$motion-duration-fast v.$motion-easing;
}

.#{v.class-seg()}theme-toggle__option:hover {
  color: var(--text-body);
  background: var(--surface-action-hover-2);
}

.#{v.class-seg()}theme-toggle__option:focus-visible {
  outline: 3px solid var(--border-focus);
  outline-offset: 2px;
}

.#{v.class-seg()}theme-toggle__option.is-active,
.#{v.class-seg()}theme-toggle__option[aria-pressed="true"] {
  background: var(--surface-primary);
  color: var(--text-action);
  box-shadow: var(--shadow-xs);
}

.#{v.class-seg()}theme-toggle__icon {
  display: inline-flex;
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;

  svg {
    display: block;
    width: 100%;
    height: 100%;
  }
}

.#{v.class-seg()}theme-toggle__label {
  margin-left: var(--space-2);
  font-size: var(--font-size-body-small);
  font-weight: var(--font-weight-medium);
}

/* Compact: icons only (header / toolbar) */
.#{v.class-seg()}theme-toggle--compact .#{v.class-seg()}theme-toggle__option {
  min-width: var(--min-touch-target, 2.75rem);
  min-height: var(--min-touch-target, 2.75rem);
  padding: 0;
}

.#{v.class-seg()}theme-toggle--compact .#{v.class-seg()}theme-toggle__label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Switch variant (reuses switch track semantics) */
.#{v.class-seg()}theme-toggle--switch {
  padding: 0;
  border: 0;
  background: transparent;
  gap: var(--space-2);
  cursor: pointer;
  font-family: var(--font-family-body);
  font-size: var(--font-size-body-small);
  color: var(--text-body);
}

.#{v.class-seg()}theme-toggle--switch .#{v.class-seg()}theme-toggle__input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.#{v.class-seg()}theme-toggle--switch .#{v.class-seg()}theme-toggle__track {
  position: relative;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  width: 3rem;
  height: 1.625rem;
  padding: 2px;
  border: v.$border-width-1 solid var(--border-action);
  border-radius: var(--border-radius-round);
  background: var(--surface-primary);
  transition:
    background-color v.$motion-duration-fast v.$motion-easing,
    border-color v.$motion-duration-fast v.$motion-easing;
}

.#{v.class-seg()}theme-toggle--switch .#{v.class-seg()}theme-toggle__knob {
  width: 1.5rem;
  height: 1.25rem;
  border-radius: var(--border-radius-round);
  background: var(--surface-action);
  box-shadow: 0 1px 2px oklch(0% 0 0 / 0.12);
  transition: transform v.$motion-duration-fast v.$motion-easing;
}

.#{v.class-seg()}theme-toggle--switch
  .#{v.class-seg()}theme-toggle__input:checked
  + .#{v.class-seg()}theme-toggle__track {
  background: var(--surface-action);
  border-color: var(--border-action);
  justify-content: flex-end;

  .#{v.class-seg()}theme-toggle__knob {
    background: var(--surface-primary);
  }
}

.#{v.class-seg()}theme-toggle--switch:hover:not(:has(:disabled))
  .#{v.class-seg()}theme-toggle__input:not(:checked)
  + .#{v.class-seg()}theme-toggle__track {
  background: var(--surface-action-hover-2);
  border-color: var(--border-action-hover);
}