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.rail-section-flyout{color:#e5eaf3;background:#1a2230;border-color:#343f51;box-shadow:0 8px 28px #0005}@keyframes rail-flyout-enter{0%{opacity:0;transform:translate(-4px)}to{opacity:1;transform:translate(0)}}@media (prefers-reduced-motion:reduce){.rail-section-flyout{animation:none}}.curriculum-heading{padding-left:3px;padding-right:0}.curriculum-heading h2{align-items:center;gap:6px;display:flex}.learning-toolbar .library-section-toggle{flex:0 0 24px;width:24px;min-width:24px;padding:0}.branch-button{gap:6px}.branch-button>svg{width:18px;height:18px}.library-section-toggle[aria-expanded=true]>svg{transform:rotate(90deg)}.branch-row .branch-expand{color:var(--muted)}.branch-row .topic-actions-trigger{width:28px;min-width:28px;height:28px;min-height:28px;color:var(--muted);border-radius:6px;flex:0 0 28px}.branch-row .topic-actions-trigger:hover,.branch-row .topic-actions-trigger[aria-expanded=true]{background:var(--selected);color:var(--ink)}.branch-row 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