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(width<=1050px){.app-shell{grid-template-columns:1fr}.library-panel{z-index:20;width:min(86vw,330px);box-shadow:var(--shadow);transition:transform .18s;position:fixed;inset:0 auto 0 0;transform:translate(-104%)}.library-panel.is-open{transform:translate(0)}.reader-grid{grid-template-rows:minmax(460px,1fr) auto;grid-template-columns:1fr}.side-rail{grid-template-rows:minmax(230px,280px);grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=720px){.top-strip{padding:10px 12px}.reader-layout{padding:10px 12px 12px}.reader-toolbar{flex-wrap:nowrap;padding-bottom:10px;overflow-x:auto}.tool-group input[type=range]{width:88px}.bookmark-button{min-width:86px}.reader-grid{grid-template-rows:minmax(390px,1fr) auto}.side-rail{grid-template-rows:minmax(210px,260px) minmax(190px,260px);grid-template-columns:1fr}.selection-popover{max-height:min(62%,390px);bottom:10px;right:10px;width:auto!important;top:auto!important;left:10px!important}.definition-card{max-height:230px}.user-chip{display:none}.user-create-grid,.user-row{grid-template-columns:1fr}.prepare-state{text-align:center;grid-template-columns:1fr}}