/* Enhanced Sidebar Styles */
.sidebar {
  /* background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); */
  width: 250px;
  transition: all 0.3s ease;
  /* box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1); */
  position: relative;
  overflow-y: auto;
  overflow-x: hidden;
}

/* Sidebar Header */
.sidebar-header {
  padding: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255, 255, 255, 0.05);
}

.sidebar-brand {
  display: flex;
  align-items: center;
}

.sidebar-logo {
  height: 40px;
  width: auto;
}

.sidebar-controls {
  display: flex;
  gap: 0.5rem;
}

.sidebar-controls .btn {
  color: rgba(255, 255, 255, 0.8);
  border: none;
  background: transparent;
  padding: 0.5rem;
  border-radius: 6px;
  transition: all 0.3s ease;
}

.sidebar-controls .btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  transform: scale(1.1);
}

/* Sidebar Content */
.sidebar-content {
  padding: 1rem 0;
}

/* Navigation Categories */
.nav-category {
  padding: 1rem 1.5rem 0.5rem;
  margin-bottom: 0.5rem;
}

.nav-category-text {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 0.5rem;
}

/* Navigation Items */
.sidebar .nav .nav-item {
  /* margin: 0.25rem 0; */
  position: relative;
}

.sidebar .nav .nav-item .nav-link {
  display: flex;
  align-items: center;
  /* padding: 0.75rem 1.5rem; */
  /* color: rgba(255, 255, 255, 0.8); */
  text-decoration: none;
  /* border-radius: 0 25px 25px 0; */
  margin-right: 1rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.sidebar .nav .nav-item .nav-link::before {
  /* content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 0;
  background: rgba(255, 255, 255, 0.1);
  transition: width 0.3s ease; */
}

.sidebar .nav .nav-item .nav-link:hover::before {
  width: 100%;
}

.sidebar .nav .nav-item .nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  /* transform: translateX(5px); */
}

/* Menu Icons */
.menu-icon {
  font-size: 1.1rem;
  margin-right: 0.75rem;
  width: 20px;
  text-align: center;
  transition: all 0.3s ease;
}

.sidebar .nav .nav-item .nav-link:hover .menu-icon {
  transform: scale(1.2);
  color: #fff;
}

/* Menu Titles */
.menu-title {
  font-size: 0.9rem;
  font-weight: 500;
  flex: 1;
  transition: all 0.3s ease;
}

/* Menu Arrows */
.menu-arrow {
  font-size: 0.8rem;
  transition: transform 0.3s ease;
  margin-left: auto;
}

.menu-toggle[aria-expanded="true"] .menu-arrow {
  transform: rotate(180deg);
}

/* Submenu Styles */
.sub-menu {
  background: rgba(0, 0, 0, 0.1);
  /* margin-left: 1rem; */
  /* border-radius: 0 15px 15px 0; */
  overflow: hidden;
  transition: all 0.3s ease;
}

.sub-menu .nav-item {
  margin: 0;
}

.sub-menu .nav-link {
  padding: 0.5rem 1rem 0.5rem 2.5rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  border-radius: 0;
  margin-right: 0;
  position: relative;
}

.sub-menu .nav-link::before {
  content: '';
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 0px;
  height: 0px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
}

.sub-menu .nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
  transform: translateX(3px);
}

.submenu-icon {
  font-size: 0.8rem;
  margin-right: 0.5rem;
  width: 16px;
  text-align: center;
}

/* Active States */
.sidebar .nav .nav-item.active > .nav-link {
  /* background: rgba(255, 255, 255, 0.2); */
  color: #fff;
  /* box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); */
}

.sidebar .nav .nav-item.active > .nav-link i{
  color: #fff;
}

.sidebar .nav .nav-item.active > .nav-link span {
  color: #fff;
}
.sidebar .nav .nav-item.active > .nav-link .menu-title{
  color: #fff;
}

.sidebar .nav .nav-item.active > .nav-link .menu-arrow{
  color: #fff;
}

.sidebar .nav .nav-item.active > .nav-link::before {
  width: 100%;
}

.sub-menu .nav-item.active .nav-link {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.sub-menu .nav-item.active .nav-link::before {
  background: transparent;
}

/* Sidebar Footer */
.sidebar-footer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.1);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1rem;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-avatar {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.2rem;
}

.user-details {
  flex: 1;
}

.user-name {
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.user-role {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.75rem;
}

/* Collapse Animation */
.collapse {
  transition: all 0.3s ease;
}

.collapse.show {
  /* animation: slideDown 0.3s ease; */
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Mobile Sidebar Overlay */
.sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.sidebar-overlay.show {
  opacity: 1;
  visibility: visible;
}

/* Responsive Design */
@media (max-width: 991.98px) {
  .sidebar {
    position: fixed;
    top: 0;
    left: -280px;
    height: 100vh;
    z-index: 1000;
  }
  
  .sidebar.show {
    left: 0;
  }
  
  .sidebar-overlay.show {
    opacity: 1;
    visibility: visible;
  }
}

/* Sidebar Toggle States */
.sidebar-icon-only .sidebar {
  width: 70px;
}

.sidebar-icon-only .sidebar .nav .nav-item .nav-link {
  padding: 0.75rem;
  justify-content: center;
}

.sidebar-icon-only .sidebar .nav .nav-item .nav-link .menu-title,
.sidebar-icon-only .sidebar .nav .nav-item .nav-link .menu-arrow {
  display: none;
}

.sidebar-icon-only .sidebar .nav .nav-item .nav-link .menu-icon {
  margin-right: 0;
  font-size: 1.2rem;
}

.sidebar-icon-only .sidebar .nav-category {
  display: none;
}

.sidebar-icon-only .sidebar-footer {
  display: none;
}

/* Hover Effects for Icon Only Mode */
.sidebar-icon-only .sidebar .nav .nav-item:hover .nav-link {
  transform: scale(1.1);
}

/* Custom Scrollbar */
.sidebar::-webkit-scrollbar {
  width: 4px;
}

.sidebar::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
}

.sidebar::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.3);
  border-radius: 2px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.5);
}

/* Loading Animation */
.sidebar .nav .nav-item .nav-link.loading {
  position: relative;
  overflow: hidden;
}

.sidebar .nav .nav-item .nav-link.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

/* Tooltip for Icon Only Mode */
.sidebar-icon-only .sidebar .nav .nav-item .nav-link {
  position: relative;
}

.sidebar-icon-only .sidebar .nav .nav-item .nav-link::after {
  content: attr(title);
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  padding: 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1001;
  margin-left: 0.5rem;
}

.sidebar-icon-only .sidebar .nav .nav-item .nav-link:hover::after {
  opacity: 1;
  visibility: visible;
}