.sidebar {
  position: sticky;
  top: 0;
  width: 270px;
  height: 100vh;
  display: flex;
  flex-shrink: 0;
  flex-direction: column;
  background: var(--color-bg-sidebar);
  border-right: 1px solid var(--color-border-hr);
  box-shadow: 0 3px 9px var(--color-shadow);
  transition: width 0.4s ease;
}
.sidebar.collapsed {
  width: 90px;
}
.sidebar .sidebar-header {
  padding: 20px 18px;
  display: flex;
  position: relative;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-border-hr);
}
.sidebar-header .header-logo {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-hover-primary);
  transition: opacity 0.4s ease;
  white-space: nowrap;
}
.sidebar.collapsed .header-logo {
  opacity: 0;
  pointer-events: none;
}
.site-nav .sidebar-toggle,
.sidebar-header .sidebar-toggle {
  height: 40px;
  width: 40px;
  border: none;
  cursor: pointer;
  display: flex;
  position: absolute;
  right: 18px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  color: var(--color-text-primary);
  background: var(--color-bg-secondary);
  transition: 0.4s ease;
}
.site-nav .sidebar-toggle:hover,
.sidebar-header .sidebar-toggle:hover {
  background: var(--color-hover-secondary);
}
.sidebar.collapsed .sidebar-header .sidebar-toggle {
  transform: translateX(-2px);
  height: 48px;
  width: 50px;
}
.sidebar-header .sidebar-toggle span {
  font-size: 1.75rem;
  transition: transform 0.4s ease;
}
.sidebar.collapsed .sidebar-toggle span {
  transform: rotate(180deg);
}
.sidebar .sidebar-content {
  flex: 1;
  padding: 20px 18px;
  overflow: hidden auto;
  scrollbar-width: thin;
  scrollbar-color: var(--color-text-placeholder) transparent;
}
.sidebar.collapsed .sidebar-content {
  scrollbar-width: none;
}
.sidebar-content .menu-list {
  display: flex;
  gap: 4px;
  list-style: none;
  flex-direction: column;
}
.menu-list .menu-link {
  display: flex;
  gap: 12px;
  white-space: nowrap;
  border-radius: 8px;
  padding: 12px 15px;
  align-items: center;
  text-decoration: none;
  color: var(--color-text-primary);
  transition: 0.3s ease;
}
.menu-link .menu-label {
  transition: opacity 0.3s ease;
}
.sidebar.collapsed .menu-link .menu-label {
  opacity: 0;
  pointer-events: none;
}
.menu-list .menu-link:hover {
  color: #fff;
  background: var(--color-hover-primary);
}
.menu-list .menu-link.active {
  color: #fff;
  background: var(--color-hover-primary);
}

.sidebar .sidebar-footer {
  padding: 20px 15px;
  white-space: nowrap;
  border-top: 1px solid var(--color-border-hr);
  position: relative;
  overflow: visible;
}

.sidebar-footer .theme-toggle {
  width: 100%;
  min-height: 48px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  cursor: pointer;
  border: none;
  padding: 0 15px;
  white-space: nowrap;
  color: var(--color-text-primary);
  background: var(--color-bg-secondary);
  transition: 0.3s ease;
}
.sidebar-footer .theme-toggle:hover {
  background: var(--color-hover-secondary);
}
.theme-toggle .theme-label {
  display: flex;
  gap: 10px;
  align-items: center;
}
.theme-toggle .theme-label .theme-text {
  font-size: 1rem;
  transition: opacity 0.4s 0.2s ease;
}
.sidebar.collapsed .theme-toggle :where(.theme-text, .theme-toggle-track) {
  opacity: 0;
  width: 0;
  transition: all 0.2s ease;
}
.theme-toggle .theme-toggle-track {
  height: 24px;
  width: 48px;
  border-radius: 999px;
  margin-left: auto;
  background: #c3d1ec;
  position: relative;
  transition:
    opacity 0.4s 0.2s ease,
    background-color 0.3s ease;
}
body.dark-theme .theme-toggle-track,
:root.dark-theme body .theme-toggle-track {
  background: #695cfe;
}
.theme-toggle-track .theme-toggle-indicator {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: #fff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}
body.dark-theme .theme-toggle-indicator,
:root.dark-theme body .theme-toggle-indicator {
  transform: translateX(24px);
}
.site-nav {
  top: 0;
  display: none;
  padding: 15px 20px;
  position: sticky;
  background: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border-hr);
}
.site-nav .sidebar-toggle {
  position: unset;
}
.app-container {
  display: flex;
}
.app-container .main-content {
  flex: 1;
  color: var(--color-text-primary);
  overflow-y: auto;
  height: 100vh;
}

/* User badge */
.user-badge-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0px; /* match menu-link */
  border-radius: 8px;
  position: relative;
  cursor: pointer;
  margin-bottom: 10px;
  background: var(--color-bg-secondary);
}
.user-badge-wrap:hover {
  background: var(--color-hover-secondary);
}
.user-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-hover-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 12px;
  flex-shrink: 0;
  margin-left: 12px;
}

.user-menu {
  display: none;
  position: fixed;
  z-index: 999999;
  padding: 6px;
  background: var(--color-bg-sidebar);
  border: 1px solid var(--color-border-hr);
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  min-width: 180px;
}

.user-name {
  font-size: 0.85rem;
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar.collapsed .user-name {
  opacity: 0;
  width: 0;
}
.sidebar.collapsed .user-badge-wrap {
  padding: 10px;
  justify-content: center;
}
.sidebar.collapsed .user-avatar {
  width: 28px;
  height: 28px;
  font-size: 13px;
}

.user-dropdown button {
  width: 100%;
  padding: 10px 15px;
  border: none;
  background: none;
  text-align: left;
  cursor: pointer;
  font-size: 13px;
  color: var(--color-text-primary);
}
.user-menu-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 12px;
  font-size: 0.82rem;
  border-radius: 8px;
  color: var(--color-text-primary);
  cursor: pointer;
  white-space: nowrap;
  background: var(--color-bg-sidebar);
  border: 1px solid var(--color-border-hr);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: background 0.2s;
}

.user-menu-item:hover {
  background: var(--color-hover-secondary);
}

@media (max-width: 768px) {
  .site-nav {
    display: block !important;
    position: sticky;
    top: 0;
    z-index: 50;
    padding: 15px 20px;
    background: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border-hr);
  }

  .app-container,
  .container {
    flex-direction: column;
  }

  .app-container .main-content,
  .container .main-content {
    height: auto;
    overflow: visible;
    margin-left: 0;
  }

  .sidebar {
    position: fixed;
    left: -270px;
    width: 270px;
    transition: left 0.3s ease;
    z-index: 9999;
  }

  .sidebar:not(.collapsed) {
    left: 0;
  }

  body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    background: rgba(0, 0, 0, 0.6);
    transition: 0.4s ease;
  }

  body:has(.sidebar:not(.collapsed))::before {
    opacity: 1;
    pointer-events: auto;
  }

  body:has(.sidebar:not(.collapsed)) {
    overflow: hidden;
  }
}