/* Accordion root */
.accordion {
  font-family: var(--brutal-font-sans);
  width: 100%;
}

/* Size variants */
.sm {
  font-size: var(--brutal-text-sm);
  line-height: var(--brutal-leading-tight);
}

.md {
  font-size: var(--brutal-text-base);
  line-height: var(--brutal-leading-normal);
}

.lg {
  font-size: var(--brutal-text-lg);
  line-height: var(--brutal-leading-relaxed);
}

/* Accordion item */
.item {
  position: relative;
  border: var(--brutal-border-width) var(--brutal-border-style) var(--brutal-black);
  background-color: var(--brutal-white);
  transition: var(--brutal-transition-base);
  margin-bottom: -1px; /* Prevent double borders */
}

.item:first-child {
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

.item:last-child {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  margin-bottom: 0;
}

/* Variant styles */
.default .item {
  background-color: var(--brutal-white);
  border-color: var(--brutal-black);
}

.brutal .item {
  background-color: var(--brutal-black);
  color: var(--brutal-white);
  border-color: var(--brutal-black);
  box-shadow: var(--brutal-shadow-sm);
}

.outline .item {
  background-color: transparent;
  border-color: var(--brutal-black);
  border-width: var(--brutal-border-width-thick);
}

/* Open state styling */
.item.open {
  z-index: 1;
}

.default .item.open {
  border-color: var(--brutal-accent);
  box-shadow: var(--brutal-shadow);
}

.brutal .item.open {
  background-color: var(--brutal-accent);
  transform: translate(-2px, -2px);
  box-shadow: var(--brutal-shadow-lg);
}

.outline .item.open {
  border-color: var(--brutal-accent);
  background-color: var(--brutal-accent-light);
}

/* Accordion trigger */
.trigger {
  width: 100%;
  padding: var(--brutal-space-4);
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: inherit;
  font-size: inherit;
  font-weight: var(--brutal-font-medium);
  color: inherit;
  transition: var(--brutal-transition-fast);
  min-height: 48px; /* Accessibility: minimum touch target */
}

/* Size-specific trigger padding */
.sm .trigger {
  padding: var(--brutal-space-3);
  min-height: 40px;
}

.lg .trigger {
  padding: var(--brutal-space-6);
  min-height: 56px;
}

.trigger:hover:not(.disabled) {
  background-color: var(--brutal-gray-50);
}

.brutal .trigger:hover:not(.disabled) {
  background-color: rgba(255, 255, 255, 0.1);
}

.outline .trigger:hover:not(.disabled) {
  background-color: var(--brutal-gray-50);
}

.trigger:focus {
  outline: var(--brutal-border-width-thin) var(--brutal-border-style) var(--brutal-accent);
  outline-offset: -2px;
  z-index: 2;
}

.trigger:active:not(.disabled) {
  transform: scale(0.98);
}

/* Trigger text */
.triggerText {
  flex: 1;
  font-weight: var(--brutal-font-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Trigger icon */
.triggerIcon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: var(--brutal-space-2);
  transition: transform var(--brutal-transition-fast);
  flex-shrink: 0;
}

.triggerIcon.rotated {
  transform: rotate(180deg);
}

.brutal .triggerIcon {
  color: var(--brutal-white);
}

/* Content area */
.content {
  overflow: hidden;
  transition: all var(--brutal-transition-base);
  border-top: var(--brutal-border-width) var(--brutal-border-style) var(--brutal-gray-200);
}

.brutal .content {
  border-top-color: rgba(255, 255, 255, 0.2);
}

.outline .content {
  border-top-color: var(--brutal-black);
}

/* Content animation states */
.content:not(.open) {
  max-height: 0;
  opacity: 0;
  transform: translateY(-10px);
}

.content.open {
  max-height: 1000px; /* Large enough for most content */
  opacity: 1;
  transform: translateY(0);
}

/* Content inner wrapper */
.contentInner {
  padding: var(--brutal-space-4);
  color: var(--brutal-gray-700);
  line-height: var(--brutal-leading-relaxed);
}

/* Size-specific content padding */
.sm .contentInner {
  padding: var(--brutal-space-3);
}

.lg .contentInner {
  padding: var(--brutal-space-6);
}

.brutal .contentInner {
  color: var(--brutal-gray-200);
}

.outline .contentInner {
  color: var(--brutal-black);
}

/* Disabled state */
.disabled {
  opacity: 0.5;
  pointer-events: none;
}

.disabled .trigger {
  cursor: not-allowed;
}

/* Brutal variant specific effects */
.brutal .item:hover:not(.disabled):not(.open) {
  transform: translate(-1px, -1px);
  box-shadow: 2px 2px 0px var(--brutal-black);
}

/* Focus management */
.trigger:focus-visible {
  outline: var(--brutal-border-width-thick) var(--brutal-border-style) var(--brutal-accent);
  outline-offset: 2px;
  z-index: 3;
}

/* Animation timing improvements */
@media (prefers-reduced-motion: reduce) {
  .content,
  .triggerIcon,
  .trigger,
  .item {
    transition: none !important;
  }
  
  .content:not(.open) {
    transform: none;
  }
  
  .content.open {
    transform: none;
  }
  
  .brutal .item:hover:not(.disabled):not(.open) {
    transform: none;
  }
  
  .item.open {
    transform: none;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .item {
    border-width: var(--brutal-border-width-thick);
  }
  
  .trigger:focus {
    outline-width: 3px;
  }
  
  .content {
    border-top-width: var(--brutal-border-width-thick);
  }
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  .lg .trigger {
    padding: var(--brutal-space-4);
    min-height: 48px;
  }
  
  .lg .contentInner {
    padding: var(--brutal-space-4);
  }
  
  .triggerText {
    font-size: var(--brutal-text-sm);
  }
}

/* Dark mode support (if theme system supports it) */
@media (prefers-color-scheme: dark) {
  .default .item {
    background-color: var(--brutal-gray-900);
    color: var(--brutal-white);
    border-color: var(--brutal-gray-700);
  }
  
  .default .trigger:hover:not(.disabled) {
    background-color: var(--brutal-gray-800);
  }
  
  .default .contentInner {
    color: var(--brutal-gray-300);
  }
  
  .content {
    border-top-color: var(--brutal-gray-700);
  }
}