.container {
  display: inline-flex;
  align-items: center;
  gap: var(--brutal-space-3);
  position: relative;
  user-select: none;
}

.checkboxWrapper {
  position: relative;
  display: inline-block;
  line-height: 0;
}

/* Hide native checkbox */
.input {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
  z-index: 1;
}

/* Custom checkbox */
.checkbox {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--brutal-white);
  border: var(--brutal-border-width) var(--brutal-border-style) var(--brutal-black);
  cursor: pointer;
  transition: all var(--brutal-transition-base);
  position: relative;
  overflow: hidden;
}

.checkbox.withShadow {
  box-shadow: var(--brutal-shadow-sm);
}

/* Size variants */
.sm .checkbox {
  width: 16px;
  height: 16px;
}

.md .checkbox {
  width: 20px;
  height: 20px;
}

.lg .checkbox {
  width: 24px;
  height: 24px;
}

/* Checkmark */
.checkmark {
  width: 100%;
  height: 100%;
  opacity: 0;
  transform: scale(0.8) rotate(-5deg);
  transition: all var(--brutal-transition-base);
  color: var(--brutal-black);
}

/* Indeterminate line */
.indeterminateLine {
  position: absolute;
  height: var(--brutal-border-width);
  width: 60%;
  background-color: var(--brutal-black);
  opacity: 0;
  transition: opacity var(--brutal-transition-base);
}

/* Label */
.label {
  font-family: var(--brutal-font-sans);
  font-weight: var(--brutal-font-medium);
  color: var(--brutal-black);
  cursor: pointer;
  transition: color var(--brutal-transition-base);
}

.sm .label {
  font-size: var(--brutal-text-sm);
}

.md .label {
  font-size: var(--brutal-text-base);
}

.lg .label {
  font-size: var(--brutal-text-lg);
}

/* States */
/* Checked state */
.input:checked + .checkbox .checkmark {
  opacity: 1;
  transform: scale(1) rotate(0);
}

/* Indeterminate state */
.checkbox.indeterminate .indeterminateLine {
  opacity: 1;
}

.checkbox.indeterminate .checkmark {
  opacity: 0;
}

/* Hover state */
.container:not(.disabled):hover .checkbox {
  background-color: var(--brutal-gray-100);
  transform: translate(-1px, -1px);
}

.container:not(.disabled):hover .checkbox.withShadow {
  box-shadow: 5px 5px 0px var(--brutal-black);
}

.container:not(.disabled):hover .label {
  color: var(--brutal-gray-700);
}

/* Focus state */
.input:focus-visible + .checkbox {
  outline: var(--brutal-border-width) var(--brutal-border-style) var(--brutal-accent);
  outline-offset: 2px;
  background-color: var(--brutal-gray-100);
}

/* Active state */
.container:not(.disabled):active .checkbox {
  transform: translate(2px, 2px);
}

.container:not(.disabled):active .checkbox.withShadow {
  box-shadow: 2px 2px 0px var(--brutal-black);
}

/* Disabled state */
.disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.disabled .checkbox {
  cursor: not-allowed;
  background-color: var(--brutal-gray-300);
}

.disabled .label {
  cursor: not-allowed;
  color: var(--brutal-gray-500);
}

/* Error state */
.error .checkbox {
  border-color: var(--brutal-error);
}

.error .checkbox.withShadow {
  box-shadow: 4px 4px 0px var(--brutal-error);
}

.error:not(.disabled):hover .checkbox.withShadow {
  box-shadow: 5px 5px 0px var(--brutal-error);
}

.error .input:focus-visible + .checkbox {
  outline-color: var(--brutal-error);
}

.error .checkmark {
  color: var(--brutal-error);
}

.error .indeterminateLine {
  background-color: var(--brutal-error);
}

/* Keyboard navigation enhancement */
.input:focus-visible + .checkbox {
  transform: translate(-1px, -1px);
}

.input:focus-visible + .checkbox.withShadow {
  box-shadow: 5px 5px 0px var(--brutal-black);
}

/* Animation for check */
@keyframes checkAnimation {
  0% {
    transform: scale(0.8) rotate(-5deg);
  }
  50% {
    transform: scale(1.1) rotate(5deg);
  }
  100% {
    transform: scale(1) rotate(0);
  }
}

.input:checked + .checkbox .checkmark {
  animation: checkAnimation var(--brutal-transition-base);
}