/* ── Checkbox ─────────────────────────────────────────────────────────── */
[data-c42-checkbox] {
  --c42-choice-size: 1.25rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font: inherit;
  color: var(--c42-color-fg, #111827);
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
}

[data-c42-checkbox]::before {
  content: '';
  flex: none;
  width: var(--c42-choice-size);
  height: var(--c42-choice-size);
  border: 2px solid var(--c42-color-border, #e5e7eb);
  border-radius: var(--c42-radius-sm, 0.375rem);
  background: var(--c42-color-bg, #ffffff);
  transition:
    background var(--c42-transition, 200ms ease),
    border-color var(--c42-transition, 200ms ease);
}

[data-c42-checkbox][data-state='checked']::before,
[data-c42-checkbox][data-state='indeterminate']::before {
  background: var(--c42-color-accent, #4f46e5);
  border-color: var(--c42-color-accent, #4f46e5);
}

/* check mark */
[data-c42-checkbox][data-state='checked']::after {
  content: '';
  position: absolute;
  width: 0.32rem;
  height: 0.62rem;
  margin-left: calc((var(--c42-choice-size) - 0.62rem) / 2 - 0.16rem);
  border: solid var(--c42-color-on-accent, #ffffff);
  border-width: 0 2px 2px 0;
  transform: translateX(0.38rem) rotate(45deg);
}

/* indeterminate dash */
[data-c42-checkbox][data-state='indeterminate']::after {
  content: '';
  position: absolute;
  width: 0.6rem;
  height: 2px;
  margin-left: calc((var(--c42-choice-size) - 0.6rem) / 2);
  background: var(--c42-color-on-accent, #ffffff);
}

[data-c42-checkbox] {
  position: relative;
}

[data-c42-checkbox]:focus-visible {
  outline: 2px solid var(--c42-color-accent, #4f46e5);
  outline-offset: 2px;
  border-radius: var(--c42-radius-sm, 0.375rem);
}

[data-c42-checkbox][data-disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ── Switch ───────────────────────────────────────────────────────────── */
[data-c42-switch] {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font: inherit;
  color: var(--c42-color-fg, #111827);
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
}

[data-c42-switch]::before {
  content: '';
  flex: none;
  width: 2.25rem;
  height: 1.25rem;
  border-radius: 999px;
  background: var(--c42-color-border, #d1d5db);
  transition: background var(--c42-transition, 200ms ease);
}

[data-c42-switch]::after {
  content: '';
  position: absolute;
  width: 0.875rem;
  height: 0.875rem;
  margin-left: 0.1875rem;
  border-radius: 50%;
  background: var(--c42-color-on-accent, #ffffff);
  transition: transform var(--c42-transition, 200ms ease);
}

[data-c42-switch] {
  position: relative;
}

[data-c42-switch][data-state='on']::before {
  background: var(--c42-color-accent, #4f46e5);
}

[data-c42-switch][data-state='on']::after {
  transform: translateX(1rem);
}

[data-c42-switch]:focus-visible {
  outline: 2px solid var(--c42-color-accent, #4f46e5);
  outline-offset: 2px;
  border-radius: 999px;
}

[data-c42-switch][data-disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ── Radio group ──────────────────────────────────────────────────────── */
[data-c42-radio-group] {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

[data-c42-radio] {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--c42-color-fg, #111827);
  cursor: pointer;
}

[data-c42-radio]::before {
  content: '';
  flex: none;
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid var(--c42-color-border, #d1d5db);
  border-radius: 50%;
  background: var(--c42-color-bg, #ffffff);
  transition: border-color var(--c42-transition, 200ms ease);
}

[data-c42-radio][data-state='checked']::before {
  border-color: var(--c42-color-accent, #4f46e5);
  border-width: 0.4rem;
}

[data-c42-radio]:focus-visible {
  outline: 2px solid var(--c42-color-accent, #4f46e5);
  outline-offset: 2px;
  border-radius: var(--c42-radius-sm, 0.5rem);
}

[data-c42-radio-group][data-disabled],
[data-c42-radio][data-disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}