/* ==========================================================================
   Checkbox Component

   Usage:
   - .checkbox                        - Base checkbox (circle)
   - .checkbox--checked               - Checked state (primary/black)
   - .checkbox--checked-secondary     - Checked state (secondary/gray)
   - .checkbox--checked-success       - Checked state (success/green)
   - .checkbox--disabled              - Disabled state
   - .checkbox--readonly              - Readonly state (no pointer events)
   ========================================================================== */

.checkbox {
  box-sizing: border-box;
  width: var(--avatar-size-sm);
  height: var(--avatar-size-sm);
  border-radius: var(--radius-full);
  border: 2px solid var(--color-border-soft);
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

/* Checked States */
.checkbox--checked {
  background: var(--color-fill-dark);
  border-color: var(--color-fill-dark);
}

.checkbox--checked-secondary {
  background: var(--color-text-secondary);
  border-color: var(--color-text-secondary);
}

.checkbox--checked-success {
  background: var(--color-success);
  border-color: var(--color-success);
}

/* Check Icon */
.checkbox__icon {
  width: var(--icon-size-xs);
  height: var(--icon-size-xs);
  stroke: var(--color-text-inverse);
  stroke-width: 3;
}

.checkbox:not([class*="--checked"]) .checkbox__icon {
  stroke: var(--color-border-soft);
}

/* Disabled State */
.checkbox--disabled {
  cursor: default;
  opacity: var(--opacity-disabled);
}

/* Readonly State */
.checkbox--readonly {
  cursor: default;
  pointer-events: none;
}

/* Form Wrapper */
.checkbox-form {
  position: relative;
  z-index: 2;
}

/* ==========================================================================
   Checkbox Field (with label)
   ========================================================================== */
.checkbox-field {
  display: flex;
  align-items: center;
  gap: var(--spacing-list-sm);
  cursor: pointer;
}

.checkbox-field__input {
  width: var(--icon-size-sm);
  height: var(--icon-size-sm);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-sm);
  cursor: pointer;
  accent-color: var(--color-text-primary);
}

.checkbox-field__label {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
}