/* Sidebar Component */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  height: 100vh;
  width: 260px;
  background-color: var(--color-white);
  border-right: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: width var(--transition-base);
  z-index: 1000;
}

/* Collapsed State */
.sidebar.sidebar-collapsed {
  width: 60px;
}

.sidebar.sidebar-collapsed .sidebar-brand-text,
.sidebar.sidebar-collapsed .sidebar-nav-text,
.sidebar.sidebar-collapsed .sidebar-user-info,
.sidebar.sidebar-collapsed .sidebar-logout-text {
  opacity: 0;
  width: 0;
  overflow: hidden;
}

.sidebar.sidebar-collapsed .sidebar-toggle-icon {
  transform: rotate(180deg);
}

.sidebar.sidebar-collapsed .sidebar-user {
  flex-direction: column;
  align-items: center;
}

/* Sidebar Container */
.sidebar-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

/* Sidebar Header */
.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-4);
  border-bottom: 1px solid var(--color-gray-200);
  min-height: 64px;
}

.sidebar.sidebar-collapsed .sidebar-header {
  flex-direction: column;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-2);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  text-decoration: none;
  color: var(--color-gray-900);
  font-weight: 700;
  font-size: var(--font-size-lg);
  white-space: nowrap;
}

.sidebar.sidebar-collapsed .sidebar-brand {
  justify-content: center;
}

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

.sidebar-brand-text {
  transition: opacity var(--transition-base), width var(--transition-base);
}

.sidebar-brand:hover {
  color: var(--color-primary);
}

/* Sidebar Toggle Button */
.sidebar-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  background-color: transparent;
  color: var(--color-gray-600);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.sidebar.sidebar-collapsed .sidebar-toggle {
  margin: 0 auto;
}

.sidebar-toggle:hover {
  background-color: var(--color-gray-100);
  color: var(--color-gray-900);
}

.sidebar-toggle-icon {
  transform: rotate(-90deg);
  transition: transform var(--transition-base);
}

/* Sidebar Navigation */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--spacing-4) var(--spacing-2);
}

.sidebar-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.sidebar-nav-item {
  margin: 0;
  padding: 0;
}

.sidebar-nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3);
  color: var(--color-gray-600);
  text-decoration: none;
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.sidebar-nav-link:hover {
  color: var(--color-gray-900);
  background-color: var(--color-gray-100);
}

.sidebar-nav-link.active {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  font-weight: 600;
}

.sidebar-nav-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.sidebar-nav-text {
  transition: opacity var(--transition-base), width var(--transition-base);
  overflow: hidden;
}

/* Sidebar Footer (User Section) */
.sidebar-footer {
  padding: var(--spacing-4);
  border-top: 1px solid var(--color-gray-200);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.sidebar-separator {
  height: 1px;
  background-color: var(--color-gray-200);
  margin: var(--spacing-2) 0;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  transition: all var(--transition-base);
}

.sidebar-user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

.sidebar-user-info {
  flex: 1;
  min-width: 0;
  transition: opacity var(--transition-base), width var(--transition-base);
}

.sidebar-user-email {
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-logout-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  width: 100%;
  padding: var(--spacing-3);
  border: none;
  background-color: transparent;
  color: var(--color-gray-600);
  text-decoration: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--font-size-sm);
  font-weight: 500;
  white-space: nowrap;
}

.sidebar-logout-btn:hover {
  background-color: var(--color-red-50, #fef2f2);
  color: var(--color-red-600, #dc2626);
}

.sidebar-logout-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.sidebar-logout-text {
  transition: opacity var(--transition-base), width var(--transition-base);
  overflow: hidden;
}

/* Mobile Hamburger Button */
.sidebar-hamburger {
  display: none;
  position: fixed;
  top: var(--spacing-4);
  left: var(--spacing-4);
  z-index: 1001;
  width: 40px;
  height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0;
  border: none;
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sidebar-hamburger:hover {
  background-color: var(--color-gray-100);
}

.hamburger-line {
  width: 20px;
  height: 2px;
  background-color: var(--color-gray-700);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* Mobile Overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 999;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    width: 280px;
  }

  .sidebar.sidebar-mobile-open {
    transform: translateX(0);
  }

  .sidebar.sidebar-mobile-open ~ .sidebar-overlay {
    display: block;
  }

  .sidebar-hamburger {
    display: flex;
  }

  /* Hide toggle button on mobile */
  .sidebar-toggle {
    display: none;
  }

  /* Hamburger animation when sidebar is open */
  .sidebar.sidebar-mobile-open ~ .sidebar-hamburger .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }

  .sidebar.sidebar-mobile-open ~ .sidebar-hamburger .hamburger-line:nth-child(2) {
    opacity: 0;
  }

  .sidebar.sidebar-mobile-open ~ .sidebar-hamburger .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }
}

/* Tablet and larger - remove collapsed state on very small screens */
@media (min-width: 769px) {
  .sidebar-overlay {
    display: none !important;
  }
}

/* Ensure smooth transitions */
* {
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}