.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 240px;
  height: 100vh;
  background-color: var(--background-primary);
  color: white;
  display: flex;
  flex-direction: column;
  padding: 16px;
  z-index: 1100;
  border-right: 1px solid #333;
  transition: transform 0.3s ease-in-out;
  overflow: hidden;

  &--collapsed {
    transform: translateX(-210px); // Hide 90% (210px out of 240px)

    .sidebar__header,
    .sidebar__dropdown-button,
    .sidebar__submenu,
    a {
      opacity: 0;
      pointer-events: none;
    }
  }

  &__toggle-button {
    position: absolute;
    top: 12px;
    right: 0;
    background: var(--background-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50% 0 0 50%;
    transition: all 0.2s ease;
    z-index: 1101;
    width: 36px;
    height: 36px;
    border-left: 1px solid #333;

    &:hover {
      background-color: rgba(255, 255, 255, 0.1);
      transform: scale(1.05);
    }

    svg {
      font-size: 20px;
    }
  }

  &--collapsed &__toggle-button {
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-left: 1px solid #333;
  }

  &__header {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    color: white;

    &__icon-spacing {
      margin-left: 8px;
    }
  }

  &__dropdown-button {
    padding: 10px 0;
    background: none;
    border: none;
    color: white;
    font-size: 16px;
    text-align: left;
    display: flex;
    align-items: center;
    width: 100%;
    cursor: pointer;
    transition: background-color 0.2s ease;

    &:hover {
      background-color: rgba(255, 255, 255, 0.08);
    }

    svg {
      margin-right: 10px;
    }

    .sidebar__arrow {
      margin-left: auto;
      font-size: 12px;
    }
  }

  &__submenu {
    margin-left: 28px;
    display: flex;
    flex-direction: column;
    border-left: 2px solid rgba(255, 255, 255, 0.1);
    padding-left: 8px;

    a {
      color: white;
      padding: 8px 0;
      font-size: 14px;
      text-decoration: none;
      transition: color 0.2s ease;

      &:hover {
        color: var(--primary-color);
      }
    }
  }

  // Mobile responsiveness
  @media (max-width: 768px) {
    z-index: 1101;
  }
}

// Sidebar overlay for mobile
.sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1100;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.3s ease-in-out,
    visibility 0.3s ease-in-out;

  &--visible {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
  }

  @media (min-width: 768px) {
    display: none;
  }
}