feat: add right sidebar with table of contents, scroll spy, and reading progress tracking
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@@ -987,6 +987,228 @@ select {
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border-radius: 4px;
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}
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/* --- Right Sidebar Resize Handle --- */
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.right-sidebar-resize-handle {
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width: 5px;
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cursor: ew-resize;
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background: transparent;
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flex-shrink: 0;
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transition: background 150ms ease, opacity 300ms ease;
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z-index: 10;
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}
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.right-sidebar-resize-handle:hover,
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.right-sidebar-resize-handle.active {
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background: var(--accent);
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opacity: 0.5;
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}
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.right-sidebar-resize-handle.hidden {
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width: 0;
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opacity: 0;
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pointer-events: none;
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}
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/* --- Right Sidebar (Outline/TOC) --- */
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.right-sidebar {
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width: 280px;
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min-width: 200px;
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max-width: 400px;
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background: var(--bg-sidebar);
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border-left: 1px solid var(--border);
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display: flex;
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flex-direction: column;
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overflow: hidden;
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transition: background 200ms ease, transform 300ms ease, width 300ms ease;
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flex-shrink: 0;
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}
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.right-sidebar.hidden {
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transform: translateX(100%);
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width: 0;
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min-width: 0;
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border-left: none;
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}
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/* Right sidebar header */
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.right-sidebar-header {
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display: flex;
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align-items: center;
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justify-content: space-between;
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padding: 12px 16px;
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border-bottom: 1px solid var(--border);
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background: var(--bg-sidebar);
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flex-shrink: 0;
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}
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.right-sidebar-title {
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font-family: 'JetBrains Mono', monospace;
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font-size: 0.7rem;
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font-weight: 700;
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text-transform: uppercase;
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letter-spacing: 0.08em;
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color: var(--text-muted);
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margin: 0;
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}
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.right-sidebar-toggle-btn {
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display: flex;
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align-items: center;
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justify-content: center;
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width: 24px;
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height: 24px;
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padding: 0;
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background: transparent;
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border: 1px solid var(--border);
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border-radius: 4px;
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color: var(--text-secondary);
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cursor: pointer;
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transition: all 150ms ease;
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}
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.right-sidebar-toggle-btn:hover {
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background: var(--bg-hover);
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border-color: var(--accent);
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color: var(--accent);
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}
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.right-sidebar-toggle-btn i {
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transition: transform 200ms ease;
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}
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.right-sidebar.hidden .right-sidebar-toggle-btn i {
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transform: rotate(180deg);
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}
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/* Outline panel */
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.outline-panel {
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flex: 1;
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overflow-y: auto;
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overflow-x: hidden;
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padding: 8px 0;
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min-height: 0;
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}
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.outline-panel::-webkit-scrollbar {
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width: 6px;
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}
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.outline-panel::-webkit-scrollbar-thumb {
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background: var(--scrollbar);
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border-radius: 3px;
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}
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.outline-list {
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display: flex;
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flex-direction: column;
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gap: 2px;
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padding: 0 8px;
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}
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.outline-item {
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display: flex;
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align-items: center;
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padding: 8px 12px;
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border-radius: 6px;
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font-family: 'JetBrains Mono', monospace;
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font-size: 0.82rem;
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color: var(--text-secondary);
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cursor: pointer;
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transition: all 150ms ease;
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position: relative;
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text-decoration: none;
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line-height: 1.4;
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word-break: break-word;
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}
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.outline-item:hover {
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background: var(--bg-hover);
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color: var(--text-primary);
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}
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.outline-item.active {
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background: color-mix(in srgb, var(--accent) 12%, transparent);
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color: var(--accent);
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font-weight: 500;
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}
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.outline-item.active::before {
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content: '';
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position: absolute;
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left: 0;
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top: 0;
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bottom: 0;
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width: 3px;
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background: var(--accent);
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border-radius: 0 2px 2px 0;
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}
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/* Heading levels */
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.outline-item.level-2 {
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font-weight: 600;
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font-size: 0.85rem;
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padding-left: 12px;
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}
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.outline-item.level-3 {
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font-weight: 400;
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font-size: 0.8rem;
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padding-left: 28px;
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color: var(--text-muted);
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}
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.outline-item.level-3:hover {
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color: var(--text-secondary);
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}
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.outline-item.level-3.active {
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color: var(--accent);
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}
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/* Empty state */
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.outline-empty {
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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padding: 40px 20px;
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gap: 12px;
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color: var(--text-muted);
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font-size: 0.85rem;
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text-align: center;
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}
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/* Reading progress */
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.reading-progress {
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padding: 12px 16px;
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border-top: 1px solid var(--border);
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background: var(--bg-sidebar);
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flex-shrink: 0;
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}
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.reading-progress-bar {
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width: 100%;
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height: 6px;
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background: color-mix(in srgb, var(--border) 50%, transparent);
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border-radius: 3px;
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overflow: hidden;
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margin-bottom: 8px;
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}
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.reading-progress-fill {
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height: 100%;
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background: var(--accent);
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border-radius: 3px;
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transition: width 150ms ease;
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width: 0%;
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}
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.reading-progress-text {
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font-family: 'JetBrains Mono', monospace;
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font-size: 0.75rem;
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font-weight: 600;
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color: var(--text-muted);
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text-align: center;
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}
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/* Welcome */
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.welcome {
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display: flex;
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@@ -2128,6 +2350,16 @@ select {
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word-wrap: break-word;
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}
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/* Mobile right sidebar - hide by default */
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@media (max-width: 768px) {
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.right-sidebar {
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display: none;
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}
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.right-sidebar-resize-handle {
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display: none;
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}
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}
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/* Mobile help navigation */
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@media (max-width: 768px) {
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.help-nav {
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