:root {
  --szia-sidebar-nav-size: 1.14rem;
  --szia-sidebar-nav-line: 1.28;
  --szia-sidebar-nav-pad-y: 12px;
  --szia-sidebar-nav-pad-x: 16px;
  --szia-sidebar-nav-pad-left: 24px;
  --szia-sidebar-nav-active-left: 20px;
}

@media (min-width: 901px) {
  .grammar-sidebar,
  .vocab-page-sidebar,
  .assessment-rail,
  .culture-rail,
  .learn-rail,
  .practice-rail,
  .exam-rail {
    position: sticky;
    top: 0;
    height: 100vh;
    background: #f5f3ee !important;
    border-right: 1px solid rgba(113, 121, 116, 0.14) !important;
    padding: 10px 24px 24px !important;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    box-sizing: border-box;
  }

  .grammar-sidebar-brand,
  .vocab-page-brand,
  .assessment-rail-brand,
  .culture-rail-brand,
  .learn-rail-brand,
  .practice-rail-brand,
  .exam-rail-brand {
    display: block;
    width: calc(100% + 34px) !important;
    margin: -8px 0 0 -17px !important;
    line-height: 0;
    text-decoration: none;
    overflow: hidden;
  }

  .grammar-sidebar-brand .site-logo,
  .vocab-page-brand .site-logo,
  .assessment-rail-brand .site-logo,
  .culture-rail-brand .site-logo,
  .learn-rail-brand .site-logo,
  .practice-rail-brand .site-logo,
  .exam-rail-brand .site-logo,
  .grammar-sidebar-brand img,
  .vocab-page-brand img,
  .assessment-rail-brand img,
  .culture-rail-brand img,
  .learn-rail-brand img,
  .practice-rail-brand img,
  .exam-rail-brand img {
    display: block;
    width: calc(100% + 64px) !important;
    max-width: none;
    height: auto;
    margin: -28px 0 -20px -32px !important;
    object-fit: contain;
  }

  .grammar-sidebar-nav,
  .vocab-page-nav,
  .assessment-rail-nav,
  .culture-rail-nav,
  .learn-rail-nav,
  .practice-rail-nav,
  .exam-rail-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-top: 34px !important;
    flex: 1;
  }

  .grammar-sidebar-link,
  .vocab-page-nav a,
  .assessment-rail-link,
  .culture-rail-link,
  .learn-rail-link,
  .practice-rail-link,
  .exam-rail-link {
    display: flex;
    align-items: center;
    gap: 14px;
    min-height: 52px !important;
    margin-left: -24px !important;
    border-radius: 0 14px 14px 0;
    text-decoration: none;
    color: #666761;
    font-size: var(--szia-sidebar-nav-size);
    line-height: var(--szia-sidebar-nav-line);
    font-weight: 780;
    transition: background-color 0.18s ease, color 0.18s ease;
    padding: var(--szia-sidebar-nav-pad-y) var(--szia-sidebar-nav-pad-x) var(--szia-sidebar-nav-pad-y) var(--szia-sidebar-nav-pad-left) !important;
  }

  .grammar-sidebar-link:hover,
  .vocab-page-nav a:hover,
  .assessment-rail-link:hover,
  .culture-rail-link:hover,
  .learn-rail-link:hover,
  .practice-rail-link:hover,
  .exam-rail-link:hover {
    background: rgba(255, 255, 255, 0.38);
    color: #1b3d2f;
  }

  .grammar-sidebar-link.is-active,
  .vocab-page-nav a.is-active,
  .assessment-rail-link.is-active,
  .culture-rail-link.is-active,
  .learn-rail-link.is-active,
  .practice-rail-link.is-active,
  .exam-rail-link.is-active {
    background: rgba(255, 255, 255, 0.58);
    border-left: 4px solid #1b3d2f !important;
    color: #1b3d2f;
    padding-left: var(--szia-sidebar-nav-active-left) !important;
    font-weight: 800;
  }

  .grammar-sidebar-link > span:first-child,
  .assessment-rail-link > span:first-child,
  .culture-rail-link > span:first-child,
  .learn-rail-link > span:first-child,
  .practice-rail-link > span:first-child,
  .exam-rail-link > span:first-child,
  .vocab-page-nav-icon {
    width: 1.5rem !important;
    min-width: 1.5rem !important;
    text-align: center;
    flex: 0 0 1.5rem !important;
    font-size: 1.15rem !important;
  }

  .grammar-sidebar-start,
  .vocab-page-continue,
  .assessment-rail-start,
  .culture-rail-start,
  .learn-rail-start,
  .practice-rail-start,
  .exam-rail-start {
    margin-top: 24px;
    border-radius: 999px;
    padding: 14px 18px;
    background: linear-gradient(135deg, #03271a 0%, #1b3d2f 100%);
    color: #fff;
    text-decoration: none;
    font-size: 1.12rem;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    box-sizing: border-box;
  }
}