gitea/web_src/css/repo/home.css

.repo-grid-filelist-sidebar {
  display: grid;
  grid-template-columns: auto 280px;
  grid-template-rows: auto auto 1fr;
  gap: var(--page-spacing);
}

.repo-home-filelist {
  min-width: 0;
  grid-column: 1;
  grid-row: 1 / 4;
}

.repo-home-sidebar-top {
  grid-column: 2;
  grid-row: 1;
}

.repo-home-sidebar-bottom {
  grid-column: 2;
  grid-row: 2;
}

.repo-home-sidebar-bottom .flex-list > :first-child {
  border-top: 1px solid var(--color-secondary); /* same to .flex-list > .flex-item + .flex-item */
}

@media (max-width: 767.98px) {
  .repo-grid-filelist-sidebar {
    grid-template-columns: 100%;
    grid-template-rows: auto auto auto;
  }
  .repo-home-filelist {
    grid-column: 1;
    grid-row: 2;
  }
  .repo-home-sidebar-top {
    grid-column: 1;
    grid-row: 1;
    padding-left: 0;
  }
  .repo-home-sidebar-bottom {
    grid-column: 1;
    grid-row: 3;
    padding-left: 0;
  }
  .repo-home-sidebar-bottom .flex-list > :first-child {
    border-top: 0;
  }
}

.repo-view-container {
  display: flex;
  gap: var(--page-spacing);
}

.repo-view-file-tree-container {
  display: flex;
  flex-direction: column;
  flex: 0 0 15%;
  min-width: 0;
  max-height: 100vh;
  position: sticky;
  top: 0;
  bottom: 0;
  height: 100%;
  overflow-y: hidden;
}

@media (max-width: 767.98px) {
  .repo-view-file-tree-container {
    display: none;
  }
}

.repo-view-content {
  flex: 1;
  min-width: 0;
  transition: margin-right 0.2s ease;
}

/* When sidebar is visible, reserve space on the right (only for file view, not home page) */
.repo-view-content.sidebar-visible {
  margin-right: 270px;
}

.language-stats {
  display: flex;
  gap: 2px;
  padding: 0;
  height: 10px;
  white-space: nowrap;
  border-radius: 5px;
  overflow: hidden;
  width: 100%;
  margin-top: 1rem;
  margin-bottom: 5px;
}

.language-stats-details {
  display: flex;
  flex-wrap: wrap;
}

.language-stats-details .item {
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25em;
  padding: 0 0.5em; /* make the UI look better for narrow (mobile) view */
  text-decoration: none;
}

/* File view sidebar panel (e.g., TOC for markdown files) */
.file-view-sidebar {
  position: fixed;
  top: 120px; /* Will be adjusted by JS to align with file content */
  right: 0.5rem;
  width: 260px;
  max-height: calc(100vh - 140px);
  overflow-y: auto;
  padding: 0.75rem;
  background: var(--color-box-body);
  border: 1px solid var(--color-secondary);
  border-radius: var(--border-radius);
  z-index: 50;
  opacity: 0; /* Hidden until JS positions it */
  transition: opacity 0.15s ease;
}

/* Show sidebar after JS has positioned it */
.file-view-sidebar.sidebar-positioned {
  opacity: 1;
}

/* Hidden state - using custom class to avoid Tailwind conflicts */
.file-view-sidebar.sidebar-panel-hidden {
  display: none;
}

.file-view-sidebar details {
  font-size: 13px;
}

.file-view-sidebar summary {
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  padding: 8px 0;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-secondary);
  margin-bottom: 8px;
}

.file-view-sidebar ul {
  margin: 0;
  list-style: none;
  padding: 5px 0 5px 1em;
}

.file-view-sidebar ul ul {
  border-left: 1px dashed var(--color-secondary);
}

.file-view-sidebar a {
  display: block;
  padding: 6px 10px;
  color: var(--color-text);
  text-decoration: none;
  font-size: 13px;
  line-height: 1.4;
  border-radius: var(--border-radius);
}

.file-view-sidebar a:hover {
  color: var(--color-primary);
  background: var(--color-hover);
}

/* Sidebar toggle button active state - when sidebar is visible */
#toggle-sidebar-btn.active {
  color: var(--color-primary);
}

/* Hide sidebar on small screens (phones) */
@media (max-width: 768px) {
  .file-view-sidebar {
    display: none !important;
  }

  #toggle-sidebar-btn {
    display: none;
  }

  /* Don't reserve space for sidebar on small screens */
  .repo-view-content.sidebar-visible {
    margin-right: 0;
  }
}