/*
 * Vertical Navbar Styles - Phoenix Theme Inspired
 * ------------------------------------------------
 * Modern vertical navigation with Phoenix-inspired design
 * Reference: https://prium.github.io/phoenix/v1.24.0/
 * 
 * Supports both light and dark themes via data-theme attribute
 */

/* ============================================
   CSS Variables for Vertical Navbar Theme
   ============================================ */
:root {
  --vertical-nav-width: 260px;
  --vertical-nav-collapsed-width: 80px;
  --vertical-nav-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Light theme variables (default) */
  --vertical-nav-bg: #ffffff;
  --vertical-nav-bg-gradient: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
  --vertical-nav-text: #5e6e82;
  --vertical-nav-text-hover: #0b1727;
  --vertical-nav-text-active: #2c7be5;
  --vertical-nav-icon: #8b9eb0;
  --vertical-nav-icon-hover: #0b1727;
  --vertical-nav-icon-active: #2c7be5;
  --vertical-nav-item-bg-hover: rgba(44, 123, 229, 0.08);
  --vertical-nav-item-bg-active: rgba(44, 123, 229, 0.15);
  --vertical-nav-item-border-active: #2c7be5;
  --vertical-nav-divider: rgba(0, 0, 0, 0.08);
  --vertical-nav-brand-text: #0b1727;
  --vertical-nav-brand-accent: #2c7be5;
  --vertical-nav-scrollbar-track: rgba(0, 0, 0, 0.05);
  --vertical-nav-scrollbar-thumb: rgba(0, 0, 0, 0.15);
  --vertical-nav-shadow: 0 0 40px rgba(0, 0, 0, 0.08);
  --vertical-nav-border: 1px solid rgba(0, 0, 0, 0.06);
}

/* Dark theme variables */
[data-theme="dark"] {
  --vertical-nav-bg: #0b1727;
  --vertical-nav-bg-gradient: linear-gradient(180deg, #0b1727 0%, #0f1f35 100%);
  --vertical-nav-text: rgba(255, 255, 255, 0.7);
  --vertical-nav-text-hover: #ffffff;
  --vertical-nav-text-active: #ffffff;
  --vertical-nav-icon: rgba(255, 255, 255, 0.5);
  --vertical-nav-icon-hover: #ffffff;
  --vertical-nav-icon-active: #2c7be5;
  --vertical-nav-item-bg-hover: rgba(255, 255, 255, 0.05);
  --vertical-nav-item-bg-active: rgba(44, 123, 229, 0.2);
  --vertical-nav-item-border-active: #2c7be5;
  --vertical-nav-divider: rgba(255, 255, 255, 0.08);
  --vertical-nav-brand-text: #ffffff;
  --vertical-nav-brand-accent: #2c7be5;
  --vertical-nav-scrollbar-track: rgba(255, 255, 255, 0.05);
  --vertical-nav-scrollbar-thumb: rgba(255, 255, 255, 0.15);
  --vertical-nav-shadow: 0 0 40px rgba(0, 0, 0, 0.3);
  --vertical-nav-border: none;
}

/* ============================================
   App Shell Layout for Vertical Navbar
   ============================================ */
.app-shell-vertical {
  display: flex;
  min-height: 100vh;
}

.app-shell-vertical .app-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--vertical-nav-width);
  height: 100vh;
  z-index: 1040;
  transition: var(--vertical-nav-transition);
}

.app-shell-vertical .app-main-wrapper {
  flex: 1;
  margin-left: var(--vertical-nav-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: var(--vertical-nav-transition);
  width: calc(100% - var(--vertical-nav-width));
}

.app-shell-vertical .main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  width: 100%;
}

/* Main content inner wrapper - centers content */
.app-shell-vertical .main-content-inner {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem;
  flex: 1 0 auto;
}

.app-shell-vertical .app-footer {
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  padding: 1rem 1.5rem;
  background: rgba(255, 255, 255, 0.9);
  width: 100%;
  flex-shrink: 0;
}

.app-shell-vertical .app-footer .footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
}

[data-theme="dark"] .app-shell-vertical .app-footer {
  background: rgba(15, 15, 26, 0.95);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ============================================
   Vertical Sidebar Navigation
   ============================================ */
.vertical-nav {
  width: 100%;
  height: 100%;
  background: var(--vertical-nav-bg-gradient);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--vertical-nav-shadow);
  border-right: var(--vertical-nav-border);
}

/* Custom Scrollbar for Vertical Nav */
.vertical-nav::-webkit-scrollbar {
  width: 6px;
}

.vertical-nav::-webkit-scrollbar-track {
  background: var(--vertical-nav-scrollbar-track);
}

.vertical-nav::-webkit-scrollbar-thumb {
  background: var(--vertical-nav-scrollbar-thumb);
  border-radius: 3px;
}

.vertical-nav::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* ============================================
   Brand / Logo Section
   ============================================ */
.vertical-nav-brand {
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.875rem;
  border-bottom: 1px solid var(--vertical-nav-divider);
  min-height: 72px;
  text-decoration: none;
  transition: var(--vertical-nav-transition);
}

.vertical-nav-brand:hover {
  text-decoration: none;
}

.vertical-nav-brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 0.625rem;
  object-fit: contain;
  flex-shrink: 0;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 700;
  font-size: 1.25rem;
  box-shadow: 0 4px 12px rgba(44, 123, 229, 0.3);
  overflow: hidden;
}

.vertical-nav-brand-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 0.625rem;
}

.vertical-nav-brand-text {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--vertical-nav-brand-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: -0.02em;
}

/* ============================================
   Navigation Content Area
   ============================================ */
.vertical-nav-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 1rem 0;
}

/* ============================================
   Navigation Items
   ============================================ */
.vertical-nav-section {
  margin-bottom: 1.5rem;
}

.vertical-nav-section-title {
  padding: 0.5rem 1.5rem;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--vertical-nav-icon);
  margin-bottom: 0.5rem;
}

.vertical-nav-item {
  display: flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  color: var(--vertical-nav-text);
  text-decoration: none;
  transition: var(--vertical-nav-transition);
  position: relative;
  margin: 0.125rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
}

.vertical-nav-item:hover {
  color: var(--vertical-nav-text-hover);
  background: var(--vertical-nav-item-bg-hover);
  text-decoration: none;
}

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

.vertical-nav-item.active::before {
  content: '';
  position: absolute;
  left: -0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: var(--vertical-nav-item-border-active);
  border-radius: 0 2px 2px 0;
}

.vertical-nav-icon {
  width: 1.25rem;
  height: 1.25rem;
  margin-right: 0.875rem;
  font-size: 1.125rem;
  color: var(--vertical-nav-icon);
  transition: var(--vertical-nav-transition);
  flex-shrink: 0;
}

.vertical-nav-item:hover .vertical-nav-icon {
  color: var(--vertical-nav-icon-hover);
}

.vertical-nav-item.active .vertical-nav-icon {
  color: var(--vertical-nav-icon-active);
}

.vertical-nav-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.vertical-nav-badge {
  margin-left: auto;
  padding: 0.125rem 0.5rem;
  font-size: 0.6875rem;
  font-weight: 600;
  border-radius: 0.375rem;
  background: rgba(44, 123, 229, 0.2);
  color: #2c7be5;
}

/* ============================================
   Dropdown Submenu
   ============================================ */
.vertical-nav-dropdown {
  position: relative;
}

.vertical-nav-dropdown-toggle::after {
  content: '\F282';
  font-family: 'bootstrap-icons';
  margin-left: auto;
  font-size: 0.75rem;
  transition: transform 0.2s ease;
}

.vertical-nav-dropdown.show .vertical-nav-dropdown-toggle::after {
  transform: rotate(180deg);
}

.vertical-nav-dropdown-menu {
  display: none;
  padding: 0.25rem 0;
  margin: 0.25rem 0;
  background: rgba(0, 0, 0, 0.15);
  border-radius: 0.5rem;
}

.vertical-nav-dropdown.show .vertical-nav-dropdown-menu {
  display: block;
}

.vertical-nav-dropdown-menu .vertical-nav-item {
  padding: 0.5rem 1.5rem 0.5rem 3.625rem;
  font-size: 0.875rem;
}

/* ============================================
   Mobile Toggle Button
   ============================================ */
.vertical-nav-toggle {
  display: none;
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 1050;
  width: 40px;
  height: 40px;
  border-radius: 0.5rem;
  background: var(--accent-fill-rest);
  color: #ffffff;
  border: none;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(44, 123, 229, 0.3);
  transition: var(--vertical-nav-transition);
}

.vertical-nav-toggle:hover {
  background: var(--accent-fill-hover);
  transform: scale(1.05);
}

.vertical-nav-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1035;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.vertical-nav-backdrop.show {
  opacity: 1;
}

/* ============================================
   Phoenix-Inspired Card Enhancements
   ============================================ */
.phoenix-card {
  background: #ffffff;
  border: none;
  border-radius: 0.75rem;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.06);
  transition: var(--vertical-nav-transition);
}

.phoenix-card:hover {
  box-shadow: 0 0 60px rgba(0, 0, 0, 0.1);
}

.phoenix-card-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  background: transparent;
}

.phoenix-card-title {
  font-size: 1rem;
  font-weight: 600;
  color: #0b1727;
  margin: 0;
}

.phoenix-card-body {
  padding: 1.5rem;
}

/* ============================================
   Phoenix-Inspired Stats Cards
   ============================================ */
.phoenix-stat-card {
  background: #ffffff;
  border: none;
  border-radius: 0.75rem;
  padding: 1.5rem;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.06);
  transition: var(--vertical-nav-transition);
  position: relative;
  overflow: hidden;
}

.phoenix-stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, #2c7be5 0%, #1a68cc 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.phoenix-stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.phoenix-stat-card:hover::before {
  opacity: 1;
}

.phoenix-stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 0.625rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.phoenix-stat-icon.primary {
  background: rgba(44, 123, 229, 0.1);
  color: #2c7be5;
}

.phoenix-stat-icon.success {
  background: rgba(0, 199, 214, 0.1);
  color: #00c7d6;
}

.phoenix-stat-icon.warning {
  background: rgba(255, 184, 34, 0.1);
  color: #ffb822;
}

.phoenix-stat-icon.danger {
  background: rgba(255, 90, 99, 0.1);
  color: #ff5a63;
}

.phoenix-stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: #0b1727;
  margin-bottom: 0.25rem;
}

.phoenix-stat-label {
  font-size: 0.875rem;
  color: #6c757d;
  font-weight: 500;
}

/* ============================================
   Phoenix-Inspired Buttons
   ============================================ */
.btn-phoenix-primary {
  background: linear-gradient(135deg, #2c7be5 0%, #1a68cc 100%);
  border: none;
  color: #ffffff;
  padding: 0.625rem 1.25rem;
  border-radius: 0.5rem;
  font-weight: 500;
  font-size: 0.875rem;
  transition: var(--vertical-nav-transition);
  box-shadow: 0 4px 12px rgba(44, 123, 229, 0.25);
}

.btn-phoenix-primary:hover {
  background: linear-gradient(135deg, #1a68cc 0%, #1557b3 100%);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(44, 123, 229, 0.35);
}

.btn-phoenix-outline {
  background: transparent;
  border: 1px solid #2c7be5;
  color: #2c7be5;
  padding: 0.625rem 1.25rem;
  border-radius: 0.5rem;
  font-weight: 500;
  font-size: 0.875rem;
  transition: var(--vertical-nav-transition);
}

.btn-phoenix-outline:hover {
  background: #2c7be5;
  color: #ffffff;
  transform: translateY(-2px);
}

/* ============================================
   Phoenix-Inspired Tables
   ============================================ */
.phoenix-table {
  background: #ffffff;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.06);
}

.phoenix-table thead th {
  background: #f9fafd;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  padding: 1rem 1.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #6c757d;
}

.phoenix-table tbody td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  vertical-align: middle;
}

.phoenix-table tbody tr:last-child td {
  border-bottom: none;
}

.phoenix-table tbody tr:hover {
  background: rgba(44, 123, 229, 0.02);
}

/* ============================================
   Phoenix-Inspired Form Controls
   ============================================ */
.phoenix-form-control {
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 0.5rem;
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  transition: var(--vertical-nav-transition);
  background: #ffffff;
}

.phoenix-form-control:focus {
  border-color: #2c7be5;
  box-shadow: 0 0 0 3px rgba(44, 123, 229, 0.1);
}

.phoenix-form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: #0b1727;
  margin-bottom: 0.5rem;
}

/* ============================================
   Phoenix-Inspired Badges
   ============================================ */
.phoenix-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 0.375rem;
}

.phoenix-badge-primary {
  background: rgba(44, 123, 229, 0.1);
  color: #2c7be5;
}

.phoenix-badge-success {
  background: rgba(0, 199, 214, 0.1);
  color: #00c7d6;
}

.phoenix-badge-warning {
  background: rgba(255, 184, 34, 0.1);
  color: #ffb822;
}

.phoenix-badge-danger {
  background: rgba(255, 90, 99, 0.1);
  color: #ff5a63;
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 991.98px) {
  .vertical-nav-toggle {
    display: flex;
  }

  .app-shell-vertical .app-sidebar {
    transform: translateX(-100%);
  }

  .app-shell-vertical .app-sidebar.show {
    transform: translateX(0);
  }

  .app-shell-vertical .app-main-wrapper {
    margin-left: 0;
    width: 100%;
  }

  .vertical-nav-backdrop {
    display: block;
  }
  
  /* Hide collapse toggle on mobile */
  .vertical-nav-collapse-toggle {
    display: none !important;
  }
  
  /* Mobile content padding */
  .app-shell-vertical .main-content-inner {
    padding: 1rem;
  }
}

@media (max-width: 767.98px) {
  .app-shell-vertical .main-content-inner {
    padding: 0.75rem;
  }
}

/* ============================================
   Collapsed Sidebar State (Desktop)
   ============================================ */
.app-shell-vertical .app-sidebar.collapsed {
  width: var(--vertical-nav-collapsed-width);
}

/* The mobile toggle and backdrop sit between the sidebar and the main wrapper. */
@media (min-width: 992px) {
  .app-shell-vertical .app-sidebar.collapsed ~ .app-main-wrapper {
    margin-left: var(--vertical-nav-collapsed-width);
    width: calc(100% - var(--vertical-nav-collapsed-width));
  }
}

/* Collapsed brand */
.app-shell-vertical .app-sidebar.collapsed .vertical-nav-brand {
  padding: 1rem;
  justify-content: center;
}

.app-shell-vertical .app-sidebar.collapsed .vertical-nav-brand-logo {
  width: 36px;
  height: 36px;
  font-size: 1rem;
}

.app-shell-vertical .app-sidebar.collapsed .vertical-nav-brand-text {
  display: none;
}

/* Collapsed nav items */
.app-shell-vertical .app-sidebar.collapsed .vertical-nav-item {
  padding: 0.75rem;
  justify-content: center;
  margin: 0.125rem 0.5rem;
  border-radius: 0.5rem;
}

.app-shell-vertical .app-sidebar.collapsed .vertical-nav-icon {
  margin-right: 0;
  font-size: 1.125rem;
}

.app-shell-vertical .app-sidebar.collapsed .vertical-nav-text {
  display: none;
}

.app-shell-vertical .app-sidebar.collapsed .vertical-nav-badge {
  position: absolute;
  top: 0.25rem;
  right: 0.25rem;
  margin-left: 0;
  padding: 0.125rem 0.375rem;
  font-size: 0.625rem;
}

/* Collapsed section titles */
.app-shell-vertical .app-sidebar.collapsed .vertical-nav-section-title {
  display: none;
}

/* Collapsed toggle section */
.app-shell-vertical .app-sidebar.collapsed .vertical-nav-toggle-section {
  padding: 0.75rem 0.75rem;
  flex-direction: column;
  gap: 0.5rem;
}

.app-shell-vertical .app-sidebar.collapsed .vertical-nav-theme-dropdown {
  flex: none;
}

.app-shell-vertical .app-sidebar.collapsed .vertical-nav-theme-btn,
.app-shell-vertical .app-sidebar.collapsed .vertical-nav-lang-btn {
  padding: 0.625rem;
  min-height: 40px;
  min-width: 40px;
  width: 100%;
}

.app-shell-vertical .app-sidebar.collapsed .vertical-nav-toggle-section .dropdown {
  flex: none;
}

.app-shell-vertical .app-sidebar.collapsed .vertical-nav-toggle-section .dropdown-toggle {
  min-width: 40px;
  padding: 0.625rem;
}

.app-shell-vertical .app-sidebar.collapsed .vertical-nav-toggle-section .dropdown-toggle::after {
  display: none;
}

/* Logout sits under theme and language so it is not beside the account links. */
.vertical-nav-logout-form {
  margin: 0;
  padding: 0 0 0.75rem;
}

.vertical-nav-logout {
  display: flex;
  align-items: center;
  box-sizing: border-box;
  width: calc(100% - 1.5rem);
  margin: 0.125rem 0.75rem;
  padding: 0.75rem 1.5rem;
  border: 0;
  border-radius: 0.5rem;
  background: transparent;
  color: var(--vertical-nav-icon);
  font: inherit;
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1;
  text-align: center;
  cursor: pointer;
  appearance: none;
}

.vertical-nav-logout .vertical-nav-icon {
  margin-right: 0.875rem;
}

.vertical-nav-logout:hover {
  color: #d14343;
  background: rgba(209, 67, 67, 0.08);
}

.app-shell-vertical .app-sidebar.collapsed .vertical-nav-logout-form {
  padding: 0 0 0.5rem;
}

.app-shell-vertical .app-sidebar.collapsed .vertical-nav-logout {
  justify-content: center;
  width: calc(100% - 1rem);
  margin: 0.125rem 0.5rem;
  padding: 0.75rem;
}

.app-shell-vertical .app-sidebar.collapsed .vertical-nav-logout .vertical-nav-icon {
  margin: 0;
}

.app-shell-vertical .app-sidebar.collapsed .vertical-nav-logout .vertical-nav-text {
  display: none;
}

/* Collapsed footer */
.app-shell-vertical .app-sidebar.collapsed .vertical-nav-footer {
  padding: 0.75rem 0.5rem;
}

.app-shell-vertical .app-sidebar.collapsed .vertical-nav-footer-text {
  display: none;
}

/* Collapsed dropdown menu */
.app-shell-vertical .app-sidebar.collapsed .vertical-nav-dropdown-toggle::after {
  display: none;
}

/* Collapse toggle button */
.vertical-nav-collapse-toggle {
  position: absolute;
  top: 50%;
  right: -12px;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--vertical-nav-bg);
  border: 1px solid var(--vertical-nav-divider);
  color: var(--vertical-nav-icon);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: var(--vertical-nav-transition);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.vertical-nav-collapse-toggle:hover {
  background: var(--vertical-nav-item-bg-active);
  color: var(--vertical-nav-text-active);
  border-color: var(--vertical-nav-item-border-active);
}

.vertical-nav-collapse-toggle i {
  font-size: 0.75rem;
  transition: transform 0.3s ease;
}

/* Rotate icon when collapsed */
.app-shell-vertical .app-sidebar.collapsed .vertical-nav-collapse-toggle i {
  transform: rotate(180deg);
}

/* Hide collapse toggle on mobile */
@media (max-width: 991.98px) {
  .vertical-nav-collapse-toggle {
    display: none !important;
  }
}

/* ============================================
   Animation Classes
   ============================================ */
@keyframes slideInLeft {
  from {
    transform: translateX(-100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.vertical-nav-animate {
  animation: slideInLeft 0.3s ease-out;
}

.vertical-nav-backdrop-animate {
  animation: fadeIn 0.3s ease-out;
}

/* ============================================
   Utility Classes
   ============================================ */
.vertical-nav-divider {
  height: 1px;
  background: var(--vertical-nav-divider);
  margin: 0.75rem 1.5rem;
}

.vertical-nav-spacer {
  flex: 1;
}

.vertical-nav-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--vertical-nav-divider);
  margin-top: auto;
}

.vertical-nav-footer-text {
  font-size: 0.75rem;
  color: var(--vertical-nav-icon);
  text-align: center;
}

/* ============================================
   Theme Toggle & Language Toggle in Sidebar
   ============================================ */
.vertical-nav-toggle-section {
  padding: 0.75rem 1.5rem;
  border-top: 1px solid var(--vertical-nav-divider);
  display: flex;
  gap: 0.5rem;
}

.vertical-nav-theme-dropdown {
  position: relative;
  flex: 1;
}

.vertical-nav-theme-btn,
.vertical-nav-lang-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 0.5rem;
  border-radius: 0.5rem;
  background: var(--vertical-nav-item-bg-hover);
  color: var(--vertical-nav-text);
  border: none;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--vertical-nav-transition);
  min-height: 40px;
  width: 100%;
}

.vertical-nav-theme-btn:hover,
.vertical-nav-lang-btn:hover {
  background: var(--vertical-nav-item-bg-active);
  color: var(--vertical-nav-text-hover);
}

.vertical-nav-theme-btn i,
.vertical-nav-lang-btn i {
  font-size: 1rem;
}

/* Language dropdown button - ensure consistent styling */
.vertical-nav-toggle-section .dropdown {
  flex: 1;
}

.vertical-nav-toggle-section .dropdown-toggle {
  width: 100%;
  min-height: 40px;
  padding: 0.625rem 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.vertical-nav-toggle-section .dropdown-toggle::after {
  margin-left: 0.25rem;
}

/* Theme dropdown in sidebar - use fixed positioning to escape overflow */
.vertical-nav-theme-menu {
  display: block;
  position: fixed;
  background: var(--vertical-nav-bg);
  border-radius: 0.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  overflow: hidden;
  z-index: 9999;
  min-width: 140px;
  padding: 0.25rem 0;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.95) translateY(8px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s;
}

.vertical-nav-theme-dropdown.show .vertical-nav-theme-menu {
  opacity: 1;
  visibility: visible;
  transform: scale(1) translateY(0);
}

/* Language dropdown menu - fixed positioning with animation */
.vertical-nav-toggle-section .dropdown-menu {
  position: fixed !important;
  z-index: 9999 !important;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  border-radius: 0.5rem;
  min-width: 140px;
  opacity: 0;
  transform: scale(0.95) translateY(8px);
  transition: opacity 0.15s ease, transform 0.15s ease !important;
}

.vertical-nav-toggle-section .dropdown-menu.show {
  opacity: 1;
  transform: scale(1) translateY(0);
}

.vertical-nav-theme-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  color: var(--vertical-nav-text);
  cursor: pointer;
  transition: var(--vertical-nav-transition);
  font-size: 0.875rem;
}

.vertical-nav-theme-option:hover {
  background: var(--vertical-nav-item-bg-hover);
  color: var(--vertical-nav-text-hover);
}

.vertical-nav-theme-option.active {
  color: var(--vertical-nav-text-active);
}

.vertical-nav-theme-option i {
  font-size: 1rem;
}

.vertical-nav-theme-check {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--vertical-nav-icon-active);
}

/* Language dropdown menu min-width */
.vertical-nav-lang-menu {
  min-width: 120px;
}