/**
 * SunMoon Theme - Sidebar & Navigation Enhancement
   Modern sidebar with mobile support
 */

/* ================================================
   SIDEBAR MAIN
   ================================================ */
#sidebar {
  position: fixed;
  left: 0;
  top: var(--header-height);
  width: var(--sidebar-width);
  height: calc(100vh - var(--header-height));
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  overflow-y: auto;
  overflow-x: hidden;
  z-index: var(--z-sticky);
  transition: width var(--transition-normal), transform var(--transition-normal);
}

#sidebar::-webkit-scrollbar {
  width: 6px;
}

#sidebar::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

#sidebar::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* Collapsed sidebar */
#sidebar.sidebar-collapsed,
.sidebar-collapsed {
  width: var(--sidebar-collapsed-width) !important;
}

#sidebar.sidebar-collapsed .sidebar-header-title,
#sidebar.sidebar-collapsed #sidebar-content,
#sidebar.sidebar-collapsed .sb2 {
  display: none;
}

#sidebar.sidebar-collapsed #sidebar-content-light,
.sidebar-content-light-collapsed {
  display: block !important;
}

/* Sidebar Header */
#sidebar-header {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-tertiary);
  transition: background var(--transition-fast);
}

#sidebar-header:hover {
  background: var(--bg-card);
}

#sidebar-header-content {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

#sidebar-header-content::after {
  content: '◀';
  margin-left: var(--spacing-sm);
  transition: transform var(--transition-fast);
}

#sidebar-header.sidebar-header-collapsed #sidebar-header-content::after {
  content: '▶';
}

/* Sidebar Content */
#sidebar-content {
  padding: var(--spacing-sm);
}

#sidebar-page {
  margin: var(--spacing-sm);
  border-radius: var(--border-radius);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
}

/* Sidebar Tabs */
#sidebar-tabs {
  list-style: none;
  padding: 0;
  margin: 0;
}

#sidebar-tabs > li {
  margin-bottom: var(--spacing-xs);
}

#sidebar-tabs li a {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
  font-size: var(--font-size-sm);
}

#sidebar-tabs li a:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

#sidebar-tabs li.active a,
#sidebar-tabs li a.active {
  background: var(--primary-light);
  color: var(--primary);
  border-left: 3px solid var(--primary);
  margin-left: -3px;
}

#sidebar-tabs li a img {
  width: 20px;
  height: 20px;
  opacity: 0.8;
}

#sidebar-tabs li.active a img,
#sidebar-tabs li a:hover img {
  opacity: 1;
}

/* Sidebar Sub-menu */
.sb2 {
  padding: var(--spacing-sm);
}

#sidebar-tabs .sb2 li h4 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-muted);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  margin: 0;
  border-bottom: 1px solid var(--border-color);
  transition: color var(--transition-fast);
}

#sidebar-tabs .sb2 li h4:hover {
  color: var(--text-primary);
}

#sidebar-tabs .sb2 li ul {
  list-style: none;
  padding: var(--spacing-xs) 0;
  margin: 0;
}

#sidebar-tabs .sb2 li ul li a {
  padding: var(--spacing-sm) var(--spacing-md) var(--spacing-sm) var(--spacing-xl);
  font-size: var(--font-size-sm);
}

/* Light Sidebar (collapsed state) */
#sidebar-content-light {
  display: none;
  padding: var(--spacing-sm);
}

#sidebar-light {
  text-align: center;
}

#sidebar-light li {
  margin-bottom: var(--spacing-xs);
}

#sidebar-light a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin: 0 auto;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

#sidebar-light a img {
  width: 24px;
  height: 24px;
}

#sidebar-light a:hover {
  background: var(--primary-light);
}

/* ================================================
   NAVIGATION MENU
   ================================================ */
.nav-menu {
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-menu > li {
  position: relative;
}

.nav-menu > li > a {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.nav-menu > li > a:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.nav-menu > li.active > a {
  color: var(--primary);
  background: var(--primary-light);
}

.nav-menu .nav-icon {
  width: 20px;
  height: 20px;
  opacity: 0.8;
}

.nav-menu .nav-text {
  flex: 1;
}

.nav-menu .nav-badge {
  background: var(--accent);
  color: white;
  font-size: var(--font-size-xs);
  padding: 2px 6px;
  border-radius: 999px;
  font-weight: 600;
}

/* Dropdown Menu */
.nav-menu .dropdown-menu {
  position: absolute;
  left: 100%;
  top: 0;
  min-width: 200px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-sm);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-10px);
  transition: all var(--transition-fast);
  z-index: var(--z-dropdown);
}

.nav-menu > li:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

.nav-menu .dropdown-menu li {
  margin-bottom: var(--spacing-xs);
}

.nav-menu .dropdown-menu a {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--border-radius-sm);
}

.nav-menu .dropdown-menu a:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

/* ================================================
   TOP MENU (Alternative Navigation)
   ================================================ */
#topmenu_container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
}

#topmenu_container .topmenu_item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
}

#topmenu_container .topmenu_item:hover {
  background: var(--bg-card);
}

#topmenu_container .topmenu_item img {
  width: 40px;
  height: 40px;
  margin-bottom: var(--spacing-xs);
}

#topmenu_container .topmenu_item span {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

#topmenu_container .topmenu_item:hover span {
  color: var(--primary);
}

/* ================================================
   BREADCRUMB NAVIGATION
   ================================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) 0;
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-sm);
}

.breadcrumb-item {
  color: var(--text-muted);
}

.breadcrumb-item a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb-item a:hover {
  color: var(--primary);
}

.breadcrumb-separator {
  color: var(--text-muted);
}

.breadcrumb-item.active {
  color: var(--text-primary);
  font-weight: 500;
}

/* ================================================
   MOBILE SIDEBAR TOGGLE
   ================================================ */
.mobile-sidebar-toggle {
  display: none;
  position: fixed;
  bottom: var(--spacing-lg);
  left: var(--spacing-lg);
  z-index: var(--z-fixed);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-fast);
}

.mobile-sidebar-toggle:hover {
  background: var(--primary-hover);
  transform: scale(1.05);
}

@media (max-width: 992px) {
  .mobile-sidebar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  #sidebar {
    transform: translateX(-100%);
    width: 280px !important;
  }
  
  #sidebar.open {
    transform: translateX(0);
  }
  
  #sidebar.sidebar-collapsed {
    width: 280px !important;
    transform: translateX(-100%);
  }
  
  #sidebar.sidebar-collapsed.open {
    transform: translateX(0);
  }
  
  /* Overlay when sidebar is open on mobile */
  .sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-sticky) - 1);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
  }
  
  .sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
  }
}

/* ================================================
   MOBILE MENU ICONS
   ================================================ */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-fast);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 992px) {
  .hamburger {
    display: flex;
  }
}

/* ================================================
   CATALOG SELECT
   ================================================ */
#sidebar-tabs #catalog_select {
  width: 100%;
  padding: var(--spacing-sm);
  margin-top: var(--spacing-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}

#sidebar-tabs #catalog_select:focus {
  border-color: var(--primary);
  outline: none;
}

/* ================================================
   FILTER OPTIONS
   ================================================ */
#browse_filters {
  padding: var(--spacing-sm);
}

#browse_filters h4 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  color: var(--text-muted);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

#browse_filters ul {
  list-style: none;
  padding: var(--spacing-xs) 0;
  margin: 0;
}

#browse_filters ul li a {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

#browse_filters ul li a:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

#browse_filters ul li a.active {
  background: var(--primary-light);
  color: var(--primary);
}

#multi_alpha_filter {
  width: 100%;
  padding: var(--spacing-sm);
  margin-top: var(--spacing-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
}