/* ==========================================================================
   Turbo Themes - Sidebar (shadcn-inspired)
   A composable, collapsible sidebar component.
   ========================================================================== */

/* CSS Variables for sidebar customization */
:root {
  --sidebar-width: 280px;
  --sidebar-width-collapsed: 60px;
  --sidebar-width-mobile: 280px;
  --sidebar-background: var(--turbo-bg-surface);
  --sidebar-foreground: var(--turbo-text-primary);
  --sidebar-border: var(--turbo-border-default);
  --sidebar-accent: var(--turbo-brand-primary);
  --sidebar-accent-foreground: var(--turbo-text-inverse);
  --sidebar-muted: var(--turbo-bg-overlay);
  --sidebar-muted-foreground: var(--turbo-text-secondary);
}

/* ==========================================================================
   Sidebar Container
   ========================================================================== */

.sidebar {
  display: flex;
  flex-direction: column;
  width: var(--sidebar-width);
  height: 100%;
  background: var(--sidebar-background);
  border-right: 1px solid var(--sidebar-border);
  transition:
    width var(--transition-normal),
    transform var(--transition-normal);
  overflow: hidden;
}

.sidebar[data-state='collapsed'] {
  width: var(--sidebar-width-collapsed);
}

/* Inset variant - with margin/padding for floating effect */
.sidebar-inset {
  margin: var(--space-md);
  border-radius: var(--radius-lg);
  border: 1px solid var(--sidebar-border);
  height: calc(100% - var(--space-md) * 2);
}

/* ==========================================================================
   Sidebar Header
   ========================================================================== */

.sidebar-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--sidebar-border);
  flex-shrink: 0;
  min-height: 56px;
}

.sidebar[data-state='collapsed'] .sidebar-header {
  padding: var(--space-md);
  justify-content: center;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--sidebar-foreground);
  font-weight: 700;
  font-size: 1rem;
  white-space: nowrap;
  overflow: hidden;
}

.sidebar-logo-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--sidebar-accent);
}

.sidebar-logo-text {
  transition: opacity var(--transition-fast);
}

.sidebar[data-state='collapsed'] .sidebar-logo-text {
  opacity: 0;
  width: 0;
}

/* ==========================================================================
   Sidebar Content (scrollable area)
   ========================================================================== */

.sidebar-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--space-sm) 0;
}

/* Custom scrollbar for sidebar */
.sidebar-content::-webkit-scrollbar {
  width: 6px;
}

.sidebar-content::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar-content::-webkit-scrollbar-thumb {
  background: var(--sidebar-border);
  border-radius: var(--radius-full);
}

.sidebar-content::-webkit-scrollbar-thumb:hover {
  background: var(--sidebar-muted-foreground);
}

/* ==========================================================================
   Sidebar Footer
   ========================================================================== */

.sidebar-footer {
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--sidebar-border);
  flex-shrink: 0;
}

.sidebar[data-state='collapsed'] .sidebar-footer {
  padding: var(--space-md);
}

/* ==========================================================================
   Sidebar Groups
   ========================================================================== */

.sidebar-group {
  padding: var(--space-xs) 0;
}

.sidebar-group-label {
  display: flex;
  align-items: center;
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--sidebar-muted-foreground);
  white-space: nowrap;
  overflow: hidden;
}

.sidebar[data-state='collapsed'] .sidebar-group-label {
  padding: var(--space-sm);
  justify-content: center;
}

.sidebar[data-state='collapsed'] .sidebar-group-label span {
  display: none;
}

.sidebar-group-content {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

/* ==========================================================================
   Sidebar Menu (collapsible sections)
   ========================================================================== */

.sidebar-menu {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 0 var(--space-sm);
}

.sidebar-menu-item {
  list-style: none;
}

.sidebar-menu-button {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  color: var(--sidebar-muted-foreground);
  font-size: 0.875rem;
  font-weight: 500;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  overflow: hidden;
}

.sidebar-menu-button:hover {
  background: var(--sidebar-muted);
  color: var(--sidebar-foreground);
}

.sidebar-menu-button[data-active='true'],
.sidebar-menu-button.active {
  background: color-mix(in srgb, var(--sidebar-accent) 15%, transparent);
  color: var(--sidebar-accent);
}

.sidebar-menu-button:focus-visible {
  outline: 2px solid var(--sidebar-accent);
  outline-offset: -2px;
}

.sidebar[data-state='collapsed'] .sidebar-menu-button {
  padding: var(--space-sm);
  justify-content: center;
}

/* Menu button icon */
.sidebar-menu-icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  opacity: 0.7;
}

.sidebar-menu-button:hover .sidebar-menu-icon,
.sidebar-menu-button[data-active='true'] .sidebar-menu-icon {
  opacity: 1;
}

/* Menu button text */
.sidebar-menu-text {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: opacity var(--transition-fast);
}

.sidebar[data-state='collapsed'] .sidebar-menu-text {
  opacity: 0;
  width: 0;
}

/* Menu button badge */
.sidebar-menu-badge {
  flex-shrink: 0;
  padding: 0.125rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--sidebar-muted);
  color: var(--sidebar-muted-foreground);
  border-radius: var(--radius-full);
}

.sidebar[data-state='collapsed'] .sidebar-menu-badge {
  display: none;
}

/* Menu button chevron (for expandable items) */
.sidebar-menu-chevron {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  color: var(--sidebar-muted-foreground);
  transition: transform var(--transition-fast);
}

.sidebar-menu-button[aria-expanded='true'] .sidebar-menu-chevron {
  transform: rotate(180deg);
}

.sidebar[data-state='collapsed'] .sidebar-menu-chevron {
  display: none;
}

/* ==========================================================================
   Sidebar Sub-menu (nested items)
   ========================================================================== */

.sidebar-menu-sub {
  display: none;
  flex-direction: column;
  gap: 1px;
  padding-left: calc(var(--space-md) + 18px + var(--space-sm));
  margin-top: 1px;
}

.sidebar-menu-item[data-open='true'] > .sidebar-menu-sub {
  display: flex;
}

.sidebar[data-state='collapsed'] .sidebar-menu-sub {
  display: none;
}

.sidebar-menu-sub-button {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-xs) var(--space-md);
  background: transparent;
  border: none;
  border-left: 2px solid transparent;
  color: var(--sidebar-muted-foreground);
  font-size: 0.8125rem;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sidebar-menu-sub-button:hover {
  color: var(--sidebar-foreground);
  border-left-color: var(--sidebar-border);
}

.sidebar-menu-sub-button:focus-visible {
  outline: 2px solid var(--sidebar-accent);
  outline-offset: -2px;
}

.sidebar-menu-sub-button[data-active='true'],
.sidebar-menu-sub-button.active {
  color: var(--sidebar-accent);
  border-left-color: var(--sidebar-accent);
  font-weight: 500;
}

/* ==========================================================================
   Sidebar Trigger (collapse/expand button)
   ========================================================================== */

.sidebar-trigger {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--sidebar-border);
  border-radius: var(--radius-md);
  color: var(--sidebar-muted-foreground);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sidebar-trigger:hover {
  background: var(--sidebar-muted);
  color: var(--sidebar-foreground);
}

.sidebar-trigger-icon {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-normal);
}

.sidebar[data-state='collapsed'] .sidebar-trigger-icon {
  transform: rotate(180deg);
}

/* ==========================================================================
   Sidebar Rail (thin collapsed indicator)
   ========================================================================== */

.sidebar-rail {
  position: absolute;
  top: 0;
  right: -4px;
  width: 8px;
  height: 100%;
  cursor: ew-resize;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.sidebar:hover .sidebar-rail {
  opacity: 1;
}

.sidebar-rail::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 2px;
  height: 40px;
  background: var(--sidebar-border);
  border-radius: var(--radius-full);
}

/* ==========================================================================
   Sidebar Separator
   ========================================================================== */

.sidebar-separator {
  height: 1px;
  margin: var(--space-sm) var(--space-lg);
  background: var(--sidebar-border);
}

.sidebar[data-state='collapsed'] .sidebar-separator {
  margin: var(--space-sm);
}

/* ==========================================================================
   Mobile Sidebar
   ========================================================================== */

.sidebar-mobile-trigger {
  display: none;
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  z-index: 200;
  width: 48px;
  height: 48px;
  padding: 0;
  background: var(--sidebar-accent);
  color: var(--sidebar-accent-foreground);
  border: none;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.sidebar-mobile-trigger:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-xl);
}

.sidebar-mobile-trigger:active {
  transform: scale(0.95);
}

.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 99;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.sidebar-backdrop[data-state='open'] {
  opacity: 1;
}

/* Mobile responsive */
@media (max-width: 1024px) {
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    height: 100vh;
    width: var(--sidebar-width-mobile);
    transform: translateX(-100%);
  }

  .sidebar[data-state='open'] {
    transform: translateX(0);
  }

  .sidebar[data-state='collapsed'] {
    width: var(--sidebar-width-mobile);
    transform: translateX(-100%);
  }

  .sidebar-mobile-trigger {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .sidebar-backdrop {
    display: block;
  }

  /* Reset collapsed state for mobile */
  .sidebar[data-state='collapsed'] .sidebar-menu-text,
  .sidebar[data-state='collapsed'] .sidebar-logo-text,
  .sidebar[data-state='collapsed'] .sidebar-group-label span {
    opacity: 1;
    width: auto;
  }

  .sidebar[data-state='collapsed'] .sidebar-menu-button,
  .sidebar[data-state='collapsed'] .sidebar-header {
    justify-content: flex-start;
    padding: var(--space-sm) var(--space-md);
  }
}

/* ==========================================================================
   Layout Integration
   ========================================================================== */

.sidebar-layout {
  display: grid;
  grid-template-columns: auto 1fr;
  min-height: 100vh;
}

.sidebar-layout[data-sidebar-collapsed='true'] {
  grid-template-columns: var(--sidebar-width-collapsed) 1fr;
}

@media (max-width: 1024px) {
  .sidebar-layout {
    grid-template-columns: 1fr;
  }
}