/* ==========================================================================
   Base checkbox styles
   ========================================================================== */

.checkbox {
  @apply flex flex-col items-start gap-1 outline-none no-highlight;

  cursor: var(--cursor-interactive);

  /* Field-level help text (siblings of the button), indented to align under the label */
  & > [data-slot="description"],
  & > [data-slot="field-error"] {
    @apply w-full min-w-0 cursor-default ps-7 text-xs text-wrap wrap-break-word text-muted select-none;
  }

  [data-slot="label"] {
    @apply select-none;
  }

  .checkbox__content [data-slot="label"] {
    cursor: var(--cursor-interactive);
  }

  /* Disabled state */
  &[data-disabled="true"] {
    @apply status-disabled;

    [data-slot="description"],
    [data-slot="field-error"] {
      @apply status-disabled;
    }
  }

  /* Indicator styles */
  &[data-selected="true"],
  &[data-indeterminate="true"] {
    .checkbox__indicator {
      border-color: var(--accent-foreground);
    }
  }

  /* Checkmark SVG indicator */
  [data-slot="checkbox-default-indicator--checkmark"] {
    @apply size-2.5 stroke-[2.5px] text-accent-foreground;

    /**
     * Transitions
     */
    @apply transition-all duration-200 motion-reduce:transition-none;
  }

  &[data-selected="true"] [data-slot="checkbox-default-indicator--checkmark"] {
    transition: stroke-dashoffset 150ms linear 15ms;
  }

  /* Invalid + Selected: checkmark icon color */
  &[data-invalid="true"][data-selected="true"] [data-slot="checkbox-default-indicator--checkmark"],
  &[data-invalid="true"][aria-checked="true"] [data-slot="checkbox-default-indicator--checkmark"],
  &[aria-invalid="true"][data-selected="true"] [data-slot="checkbox-default-indicator--checkmark"],
  &[aria-invalid="true"][aria-checked="true"] [data-slot="checkbox-default-indicator--checkmark"] {
    @apply text-danger-foreground;
  }

  /* Indeterminate line indicator */
  &[data-indeterminate="true"] {
    [data-slot="checkbox-default-indicator--indeterminate"] {
      @apply size-3;
    }
  }

  /* Invalid + Indeterminate: indeterminate icon color */
  &[data-indeterminate="true"][data-invalid="true"]
    [data-slot="checkbox-default-indicator--indeterminate"],
  &[data-indeterminate="true"][aria-invalid="true"]
    [data-slot="checkbox-default-indicator--indeterminate"] {
    @apply text-danger-foreground;
  }
}

/* ==========================================================================
   Checkbox control (the square button)
   ========================================================================== */

.checkbox__control {
  @apply relative inline-flex size-4 shrink-0 items-center justify-center overflow-hidden rounded-md border [border-width:var(--border-width-field)] border-field-border bg-field shadow-field outline-none no-highlight;

  /**
   * Transitions
   * CRITICAL: motion-reduce must be AFTER transition for correct override specificity
   */
  transition:
    background-color 200ms var(--ease-out),
    border-color 200ms var(--ease-out),
    transform 100ms var(--ease-out);
  @apply motion-reduce:transition-none;

  cursor: var(--cursor-interactive);

  /* Background indicator pseudo-element */
  &::before {
    @apply pointer-events-none absolute inset-0 z-0 origin-center scale-70 rounded-md bg-accent opacity-0 content-[''];

    /**
     * Transitions
     * CRITICAL: motion-reduce must be AFTER transition for correct override specificity
     */
    transition:
      scale 100ms var(--ease-linear),
      opacity 200ms var(--ease-linear),
      background-color 200ms var(--ease-out);
    @apply motion-reduce:transition-none;
  }

  /* Interactive states */
  /* Focus */
  .checkbox:focus-visible &,
  .checkbox:has([data-slot="checkbox-content"][data-focus-visible="true"]) &,
  .checkbox [data-slot="checkbox-content"][data-focus-visible="true"] & {
    @apply status-focused;
  }

  /* Hover */
  .checkbox:hover &,
  .checkbox:has([data-slot="checkbox-content"][data-hovered="true"]) &,
  .checkbox [data-slot="checkbox-content"][data-hovered="true"] & {
    @apply border-field-border-hover;

    &::before {
      @apply bg-accent-hover;
    }
  }

  /* Pressed */
  .checkbox:active &,
  .checkbox:has([data-slot="checkbox-content"][data-pressed="true"]) &,
  .checkbox [data-slot="checkbox-content"][data-pressed="true"] & {
  }

  /* Selection states */
  /* Selected */
  .checkbox[aria-checked="true"] &,
  .checkbox[data-selected="true"] & {
    @apply border-transparent text-accent-foreground;

    &::before {
      @apply scale-100 opacity-100;
    }
  }

  /* Indeterminate */
  .checkbox[data-indeterminate="true"] & {
    @apply bg-accent text-accent-foreground;
  }

  /* Indeterminate + Pressed */
  .checkbox:active[data-indeterminate="true"] &,
  .checkbox[data-pressed="true"][data-indeterminate="true"] &,
  .checkbox:has([data-slot="checkbox-content"][data-pressed="true"])[data-indeterminate="true"] & {
    @apply bg-accent-hover;
  }

  /* Validation states */
  /* Invalid (only when not selected/indeterminate) */
  .checkbox[data-invalid="true"]:not([aria-checked="true"]):not([data-selected="true"]):not(
      [data-indeterminate="true"]
    )
    &,
  .checkbox[aria-invalid="true"]:not([aria-checked="true"]):not([data-selected="true"]):not(
      [data-indeterminate="true"]
    )
    & {
    @apply status-invalid-field;
  }

  /* Invalid + Selected */
  .checkbox[data-invalid="true"][aria-checked="true"] &,
  .checkbox[data-invalid="true"][data-selected="true"] &,
  .checkbox[aria-invalid="true"][aria-checked="true"] &,
  .checkbox[aria-invalid="true"][data-selected="true"] & {
    @apply border-transparent bg-danger text-danger-foreground;

    &::before {
      @apply scale-100 bg-danger opacity-100;
    }
  }

  /* Invalid + Indeterminate */
  .checkbox[data-indeterminate="true"][aria-invalid="true"] &,
  .checkbox[data-indeterminate="true"][data-invalid="true"] & {
    @apply bg-danger text-danger-foreground;
  }
}

/* ==========================================================================
   Checkbox indicator
   ========================================================================== */

.checkbox__indicator {
  @apply relative z-10 flex size-3 items-center justify-center;

  & svg {
    @apply size-full transform-gpu;
  }
}

/* ==========================================================================
   Disabled modifier
   ========================================================================== */

.checkbox--disabled {
  @apply status-disabled;
}

/* ==========================================================================
   Variant property definitions
   ========================================================================== */

.checkbox--primary {
  /* Default styles */
}

.checkbox--secondary .checkbox__control {
  @apply shadow-none;
  background-color: var(--checkbox-control-bg);

  --checkbox-control-bg: var(--default);

  /* Hover state */
  .checkbox:hover &,
  .checkbox:has([data-slot="checkbox-content"][data-hovered="true"]) &,
  .checkbox [data-slot="checkbox-content"][data-hovered="true"] & {
    @apply border-field-border-hover;
  }
}

/* Checkbox content — the clickable label (control + label text) */
.checkbox__content {
  @apply relative inline-flex cursor-[inherit] items-center gap-3 text-sm font-medium text-foreground outline-none select-none no-highlight;
}

/* Unselected state background for secondary variant */
.checkbox--secondary:not([aria-checked="true"]):not([data-selected="true"]):not(
    [data-indeterminate="true"]
  )
  .checkbox__control {
  background-color: var(--checkbox-control-bg);
}

/* Selected state on secondary variant */
.checkbox--secondary[aria-checked="true"] .checkbox__control,
.checkbox--secondary[data-selected="true"] .checkbox__control {
  &::before {
    @apply bg-accent;
  }
}

/* Indeterminate state on secondary variant */
.checkbox--secondary[data-indeterminate="true"] .checkbox__control {
  @apply bg-accent;

  &::before {
    @apply bg-accent;
  }
}
