/**
 * sidebar.css - Sidebar Navigation Component Styles
 * Navigation menu, filters, and user section
 */

/* ==========================================================================
   SIDEBAR CONTAINER
   ========================================================================== */

.sidebar {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: var(--sidebar-width);
  height: calc(100vh - var(--header-height));
  background: var(--sidebar-bg);
  z-index: var(--z-sidebar);
}


.sidebar.collapsed {
  width: var(--sidebar-collapsed-width);
}

/* Mobile Toggle Button */
.sidebar-mobile-toggle {
  display: none;
  position: fixed;
  top: var(--space-4);
  left: var(--space-4);
  width: 40px;
  height: 40px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  z-index: calc(var(--z-sidebar) + 10);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: var(--transition-all);
}

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

/* ==========================================================================
   SIDEBAR HEADER
   ========================================================================== */

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-4);
  border-bottom: 1px solid var(--border-primary);
  min-height: var(--header-height);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
}

.logo-icon {
  font-size: var(--font-size-2xl);
  flex-shrink: 0;
}

.logo-text {
  opacity: 1;
  transition: opacity var(--duration-fast);
}

.sidebar.collapsed .logo-text {
  opacity: 0;
  visibility: hidden;
}

.sidebar-collapse-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: var(--transition-all);
  flex-shrink: 0;
}

.sidebar-collapse-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.sidebar.collapsed .sidebar-collapse-btn {
  transform: rotate(180deg);
}

/* ==========================================================================
   NAVIGATION MENU
   ========================================================================== */

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4) var(--space-2);
}

.sidebar .nav-item {
    display: block;
    padding: 12px 16px;
    color: var(--sidebar-text);
    text-decoration: none;
    font-weight: bold;
    border-radius: var(--radius-md);
}

.sidebar .nav-item:hover {
    background: var(--sidebar-hover-bg);
}

.sidebar .nav-item.active {
    background: var(--sidebar-active-bg);
    color: var(--sidebar-active-text);
}


.sidebar-nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-primary);
}

.nav-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-text {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  white-space: nowrap;
  opacity: 1;
  transition: opacity var(--duration-fast);
}

.sidebar.collapsed .nav-text {
  opacity: 0;
  visibility: hidden;
}

.sidebar-nav-separator {
  height: 1px;
  background: var(--border-primary);
  margin: var(--space-3) var(--space-3);
}

/* Tooltip for collapsed state */
.sidebar.collapsed .sidebar-nav-item {
  position: relative;
}

.sidebar.collapsed .sidebar-nav-item::after {
  content: attr(data-tooltip);
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  margin-left: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-fast);
  z-index: var(--z-tooltip);
}

.sidebar.collapsed .sidebar-nav-item:hover::after {
  opacity: 1;
}

/* ==========================================================================
   FILTERS SECTION
   ========================================================================== */

.sidebar-filters {
  padding: var(--space-4);
  border-top: 1px solid var(--border-primary);
  background: var(--bg-secondary);
}

.sidebar-section-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  margin-bottom: var(--space-3);
  opacity: 1;
  transition: opacity var(--duration-fast);
}

.sidebar.collapsed .sidebar-section-title {
  opacity: 0;
  visibility: hidden;
  height: 0;
  margin: 0;
}

.filter-group {
  margin-bottom: var(--space-4);
}

.filter-label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
  opacity: 1;
  transition: opacity var(--duration-fast);
}

.sidebar.collapsed .filter-label {
  opacity: 0;
  visibility: hidden;
  height: 0;
  margin: 0;
}

.filter-select {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: var(--transition-all);
}

.filter-select:hover {
  border-color: var(--border-secondary);
}

.filter-select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(78, 205, 196, 0.1);
}

.sidebar.collapsed .filter-select {
  opacity: 0;
  visibility: hidden;
  height: 0;
  padding: 0;
  margin: 0;
}

.filter-clear-btn {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background: transparent;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: var(--transition-all);
}

.filter-clear-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-secondary);
}

.sidebar.collapsed .filter-clear-btn {
  display: none;
}

/* ==========================================================================
   USER SECTION
   ========================================================================== */

.sidebar-user {
  padding: var(--space-4);
  border-top: 1px solid var(--border-primary);
  background: var(--bg-secondary);
  position: relative;
}

.user-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: var(--transition-colors);
}

.user-info:hover {
  background: var(--bg-hover);
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}

.user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.user-details {
  flex: 1;
  min-width: 0;
  opacity: 1;
  transition: opacity var(--duration-fast);
}

.sidebar.collapsed .user-details {
  opacity: 0;
  visibility: hidden;
}

.user-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-status {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* User Menu Dropdown */
.user-menu {
  position: absolute;
  bottom: 100%;
  left: var(--space-4);
  right: var(--space-4);
  margin-bottom: var(--space-2);
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  z-index: var(--z-dropdown);
}

.sidebar.collapsed .user-menu {
  left: 100%;
  right: auto;
  margin-left: var(--space-2);
  width: 200px;
}

.user-menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
  cursor: pointer;
  transition: var(--transition-colors);
}

.user-menu-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.menu-icon {
  width: 20px;
  text-align: center;
}

.user-menu-separator {
  height: 1px;
  background: var(--border-primary);
}

.logout-btn {
  color: var(--color-secondary);
}

/* ==========================================================================
   MOBILE STYLES
   ========================================================================== */

/* Mobile Overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  z-index: calc(var(--z-sidebar) - 1);
  opacity: 0;
  transition: opacity var(--duration-normal);
}

.sidebar-overlay.active {
  opacity: 1;
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform var(--duration-normal) var(--ease-in-out);
  }
  
  .sidebar.mobile-open {
    transform: translateX(0);
  }
  
  .sidebar-mobile-toggle {
    display: flex;
  }
  
  .sidebar-overlay {
    display: block;
    pointer-events: none;
  }
  
  .sidebar-overlay.active {
    pointer-events: auto;
  }
  
  .sidebar-collapse-btn {
    display: none;
  }
  
  /* Always expanded on mobile */
  .sidebar.collapsed {
    width: var(--sidebar-width);
  }
  
  .sidebar.collapsed .logo-text,
  .sidebar.collapsed .nav-text,
  .sidebar.collapsed .sidebar-section-title,
  .sidebar.collapsed .filter-label,
  .sidebar.collapsed .filter-select,
  .sidebar.collapsed .filter-clear-btn,
  .sidebar.collapsed .user-details {
    opacity: 1;
    visibility: visible;
    height: auto;
  }
}

/* ==========================================================================
   SCROLLBAR STYLING
   ========================================================================== */

.sidebar-nav::-webkit-scrollbar,
.queue-list::-webkit-scrollbar {
 width: 6px;
}

.sidebar-nav::-webkit-scrollbar-track,
.queue-list::-webkit-scrollbar-track {
 background: transparent;
}

.sidebar-nav::-webkit-scrollbar-thumb,
.queue-list::-webkit-scrollbar-thumb {
 background: var(--border-secondary);
 border-radius: var(--radius-full);
}

.sidebar-nav::-webkit-scrollbar-thumb:hover,
.queue-list::-webkit-scrollbar-thumb:hover {
 background: var(--color-primary);
}