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minmax(0,1fr);gap:5px;display:grid}.has-mobile-tabs .foot-act .inner>.grow{display:none}.learner-surface .has-mobile-tabs .foot-act .inner>button{min-width:0;padding-inline:7px}.learner-surface .has-mobile-tabs .foot-act .inner>button:only-of-type{grid-column:1/-1}.has-mobile-tabs .study-detail-toggle{display:none}.learner-surface .has-mobile-tabs .study-detail>.study-detail-scroll{overscroll-behavior:contain;min-height:0;display:block;overflow-y:auto}.learner-surface .has-mobile-tabs .study-detail>:is(.study-detail-act,.study-detail-tabs){display:flex}.learner-surface .has-mobile-tabs .study-detail>.study-detail-act{padding:8px 0}.learner-surface .has-mobile-tabs .study-detail .def-block{padding:14px 4px 12px}.learner-surface .has-mobile-tabs .study-detail .sec-body{padding:4px 4px 12px}.learner-surface .has-mobile-tabs .study-detail>.study-detail-tabs{border-top:0;gap:5px;padding:4px 2px}.learner-surface .study-detail .study-detail-tabs button{height:28px;min-height:28px;padding:0 12px;font-size:11px}}@media (max-width:860px) and (max-height:650px){.learner-surface .has-mobile-tabs .study-write-head{gap:4px;padding:6px 2px}}@media (max-width:380px){.learner-surface .wrap.is-nav-aligned,.learner-surface .wrap.fill-0.is-nav-aligned,.learner-surface .learner-topnav>.learner-topbar{padding-inline:10px}.learner-surface .reading-shelf-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}