/* GitHub-style layout with sidebar on LEFT - EXPANDED BY DEFAULT */
.repo-layout {
  /* Layout preserved */
  display: grid;
  grid-template-columns: 280px 1fr; /* Start expanded by default for better visibility */
  gap: 16px;
  margin: 0; /* No margin needed - spacing handled by parent sections */
  width: 100%; /* Ensure full container width */
  /* Styling moved to central CSS - see static/css/common/layout.css */
  transition: grid-template-columns 0.3s ease;
  /* Ensure layout doesn't constrain page scrolling */
  min-height: 0;
}

.repo-layout.sidebar-collapsed {
  grid-template-columns: 60px 1fr; /* Collapsed width - wider for larger icons */
}

.repo-layout.sidebar-expanded {
  grid-template-columns: 280px 1fr; /* Narrower expanded width for better content space */
}

.repo-main {
  min-width: 0;
  /* Allow content to expand naturally - page-level scrolling handles overflow */
}

.repo-sidebar {
  /* Layout preserved */
  position: sticky;
  top: 80px;
  align-self: start;
  overflow-y: auto; /* Vertical scrollbar for file tree */
  overflow-x: auto; /* Horizontal scrollbar for wide content */
  max-height: calc(100vh - 150px); /* Match code block height */
  width: 280px; /* Default expanded width for better visibility */
  /* Styling moved to central CSS - see static/css/components/sidebar.css */
  transition: all 0.3s ease;
}

.repo-sidebar.collapsed {
  width: 60px; /* Wider for larger icons */
}

.repo-sidebar.expanded {
  width: 280px; /* Narrower when expanded for better layout */
}

/* Sidebar toggle button */
.stx-shell-sidebar__toggle-btn {
  /* Layout preserved */
  position: absolute;
  top: 12px;
  right: 12px;
  width: 28px;
  height: 28px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  /* Styling moved to central CSS - see static/css/components/buttons.css */
  border: 1px solid var(--color-border-default);
  border-radius: 6px;
  background: var(--color-canvas-default);
  color: var(--color-fg-muted);
  transition: all 0.2s ease;
}

.stx-shell-sidebar__toggle-btn:hover {
  transform: scale(1.05);
  /* Styling moved to central CSS - see static/css/components/buttons.css */
  background: var(--color-neutral-muted);
  color: var(--color-accent-fg);
  border-color: var(--color-accent-fg);
}

.stx-shell-sidebar__toggle-btn:active {
  transform: scale(0.95);
}

.stx-shell-sidebar__toggle-icon {
  /* Styling moved to central CSS - see static/css/components/icons.css */
  transition: transform 0.3s ease;
  font-size: 14px;
}

.repo-sidebar.collapsed .stx-shell-sidebar__toggle-icon {
  transform: rotate(180deg);
}

/* .sidebar-section visual styling in sidebar.css */
/* Collapsed sidebar overrides */
.repo-sidebar.collapsed .sidebar-section {
  padding: 8px;
  border: none;
  background: transparent;
}

.sidebar-section.section-collapsed .stx-shell-sidebar__content {
  display: none;
}

/* .stx-shell-sidebar__title visual styling in sidebar.css */

.repo-sidebar.collapsed .stx-shell-sidebar__title {
  /* Layout preserved */
  writing-mode: vertical-rl;
  text-orientation: mixed;
  margin: 0;
  /* Styling moved to central CSS - see static/css/common/typography-vars.css */
  font-size: 10px;
}

/* .sidebar-section-chevron visual styling in sidebar.css */
.sidebar-section.section-collapsed .sidebar-section-chevron {
  transform: rotate(-90deg);
}

.repo-sidebar.collapsed .sidebar-section-chevron {
  display: none;
}

/* .sidebar-item visual styling in sidebar.css */

.repo-sidebar.collapsed .sidebar-item {
  display: none;
}

/* .sidebar-link visual styling in sidebar.css */

.repo-sidebar.collapsed .sidebar-link {
  display: none;
}

.stx-shell-sidebar__content {
  /* Styling moved to central CSS - see static/css/components/sidebar.css */
  transition: opacity 0.3s ease;
}

.repo-sidebar.collapsed .stx-shell-sidebar__content {
  /* Layout preserved */
  display: none;
  /* Styling moved to central CSS - see static/css/components/sidebar.css */
  opacity: 0;
}