@media (width<=1023px){.contextual-app[data-phone-reading] .contextual-header,.contextual-app[data-phone-reading] .contextual-mobile-nav,.contextual-app[data-phone-reading] .task-crumbs,.contextual-app[data-phone-reading] .pg-crumb,.contextual-app[data-phone-reading] [data-tour=course-reading],html[data-phone-reading] .tour-replay{display:none}.contextual-app[data-phone-reading] .contextual-body{padding-top:0}.contextual-app[data-phone-reading] .contextual-content{padding-top:0;padding-bottom:var(--space-12)}.contextual-app[data-phone-reading=tool] .contextual-content{padding-top:var(--space-3)}.phone-readingbar,.contextual-app[data-phone-reading] .course-readerbar{z-index:30;border-bottom:1px solid var(--line);background:var(--ground);transition:transform var(--dur-base) var(--ease);position:sticky;top:0}.phone-readingbar{align-items:center;gap:4px;min-height:52px;padding:0 4px 0 6px;display:flex}.contextual-app[data-phone-reading] .course-readerbar{min-height:52px;margin-inline:-16px;padding:0 4px 0 10px}.contextual-app[data-phone-reading] .course-reader-layout{margin-top:20px}.contextual-app[data-phone-reading] .task-page,.contextual-app[data-phone-reading] .pg-page,.contextual-app[data-phone-reading=guide] .collection-home-preview{padding-top:20px}.contextual-app[data-phone-reading=guide] .guide-desktop-heading{display:none}.contextual-app[data-phone-reading=guide] .guide-phone-kicker+div{margin-top:0}.guide-phone-kicker{margin:0 0 var(--space-2);color:var(--tinta-text);font-family:var(--font-prompt);letter-spacing:.08em;text-transform:uppercase;font-size:11.5px;font-weight:500}.contextual-app[data-phone-reading] .lx-mobilebar{background:var(--ground);-webkit-backdrop-filter:none;backdrop-filter:none;min-height:52px;transition:transform var(--dur-base) var(--ease);margin-top:0;padding:0 4px 0 6px;top:0}.contextual-app[data-phone-reading] .lx-mobilebar>a{flex:none;justify-content:center;align-items:center;width:44px;height:44px;display:inline-flex}.contextual-app[data-phone-reading] .lx-reader{margin-top:20px}html[data-reading-bars-hidden] .phone-readingbar,html[data-reading-bars-hidden] .contextual-app[data-phone-reading] .course-readerbar,html[data-reading-bars-hidden] .contextual-app[data-phone-reading] .lx-mobilebar{transform:translateY(-100%)}.contextual-app[data-phone-reading] .task-steps{transition:top var(--dur-base) var(--ease);scroll-margin-top:60px;top:60px}html[data-reading-bars-hidden] .contextual-app[data-phone-reading] .task-steps{top:8px}.contextual-app[data-phone-reading] .task-panel{scroll-margin-top:120px}}@media (width>=1024px){.contextual-app .reading-more-trigger{display:none}}@media (width>=640px) and (width<=1023px){.contextual-app[data-phone-reading] .course-readerbar{margin-inline:-24px;padding-inline:18px 12px}}@media (prefers-reduced-motion:reduce){.phone-readingbar,.course-readerbar,.lx-mobilebar,.task-steps{transition:none}}.phone-readingbar-back{border-radius:var(--r-sm);min-width:0;min-height:44px;color:var(--text);font-size:var(--fs-small);flex:1;align-items:center;gap:8px;padding-inline:8px;font-weight:600;display:inline-flex}.phone-readingbar-tool{border-radius:var(--r-sm);width:44px;height:44px;color:var(--text-2);flex:none;justify-content:center;align-items:center;display:inline-flex}.phone-readingbar-back:focus-visible,.phone-readingbar-tool:focus-visible{outline:2px solid var(--tinta);outline-offset:-2px}.reading-more-menu{border-radius:var(--r-md)}.reading-more-item{border-radius:var(--r-sm);width:100%;min-height:44px;color:var(--text);text-align:left;align-items:center;gap:10px;padding:0 10px;font-size:14px;font-weight:500;display:flex}.reading-more-item svg{width:18px;height:18px;color:var(--text-3);flex:none}.reading-more-item:hover,.reading-more-item:focus-visible{background:var(--sunk);outline:none}.phone-actionbar{z-index:30;align-items:center;gap:var(--space-2);padding:10px max(16px, env(safe-area-inset-right)) max(10px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));border-top:1px solid var(--line);background:var(--raised);transition:transform var(--dur-base) var(--ease), opacity var(--dur-base) var(--ease);display:flex;position:fixed;inset:auto 0 0}.phone-actionbar[data-covered]{opacity:0;pointer-events:none;transform:translateY(100%)}.phone-actionbar-main{flex:1;min-width:0;min-height:48px}.phone-actionbar-main>span{text-overflow:ellipsis;overflow:hidden}.phone-actionbar-side{flex:none;width:48px;min-height:48px;padding:0}.phone-actionbar-next{flex:none;max-width:48%;min-height:48px;padding-inline:14px 10px}.phone-actionbar-next>span{text-overflow:ellipsis;overflow:hidden}.phone-actionbar-main.is-locked{color:var(--text-2);box-shadow:none}@media (width<=1023px){html[data-phone-action] .contextual-app[data-phone-reading] .contextual-content{padding-bottom:calc(96px + env(safe-area-inset-bottom,0px))}}@media (width>=1024px){.phone-actionbar{display:none}}@media (prefers-reduced-motion:reduce){.phone-actionbar{transition:none}}@media (width>=1024px){.guide-phone-kicker{display:none}}