.lx-reading{flex-direction:column;gap:14px;display:flex}.lx-reading-passage{overscroll-behavior:contain;border:1px solid var(--lx-border);border-radius:var(--lx-r-card);background:var(--lx-white);max-height:min(46vh,460px);font-family:var(--lx-serif);scrollbar-width:thin;outline:none;padding:16px 20px;font-size:17px;line-height:28px;overflow-y:auto}.lx-reading-passage:focus-visible{box-shadow:0 0 0 3px var(--lx-correct-tint);border-color:var(--lx-correct)}.lx-reading-title{margin:0 0 6px;font-family:inherit;font-size:18px;font-weight:700;line-height:26px}.lx-reading-para{margin:0}.lx-reading-para+.lx-reading-para{margin-top:12px}@media (max-width:760px) and (min-height:560px){.lx-reading{z-index:2;background:var(--bp-page,var(--lx-white));margin-top:-16px;padding:16px 0 12px;position:sticky;top:-16px;box-shadow:0 10px 12px -12px #00000040}.lx-reading-passage{max-height:34dvh;padding:12px 14px;font-size:16px;line-height:26px}}@media (max-width:760px) and (max-height:559px){.lx-reading-passage{max-height:max(160px,100dvh - 150px)}}
.lx-sorter{--lx-so-move:.3s;--lx-so-colour:.2s}.lx-sorter .lx-math-block{max-width:100%;overflow:hidden}.lx-so-list{background:var(--lx-oat);border-radius:var(--lx-r-panel);flex-direction:column;gap:10px;margin:0;padding:14px;list-style:none;display:flex}.lx-so-row{display:flex}.lx-so-item{text-align:left;border-radius:var(--lx-r-chip);cursor:grab;width:100%;min-height:56px;transition:border-color var(--lx-so-colour) ease, background var(--lx-so-colour) ease, box-shadow var(--lx-so-move) ease, transform var(--lx-so-move) ease;justify-content:flex-start;gap:14px;padding:12px 16px;font-weight:400;line-height:22px}.lx-so-item.lx-tile-active{cursor:grabbing;box-shadow:0 0 0 2px var(--lx-green-ring), var(--lift-shadow,0 8px 16px #00000014);transform:translateY(-1px)}.lx-so-item.lx-tile-done{cursor:default}.lx-so-index{background:var(--lx-oat-deep);width:26px;height:26px;color:var(--lx-ink-40);text-align:center;transition:background var(--lx-so-colour) ease;border-radius:9999px;flex:none;font-size:14px;line-height:26px}.lx-so-item.lx-tile-correct .lx-so-index{background:var(--index-on-correct,#ffffffb3)}.lx-so-text{flex:1}.lx-so-grip{fill:var(--lx-ink-30);transition:fill var(--lx-so-colour) ease;flex:none}.lx-so-item:hover .lx-so-grip{fill:var(--lx-ink-40)}.lx-so-groups{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;display:grid}.lx-so-bucket{background:var(--lx-white);border:1px solid var(--lx-border);border-radius:var(--lx-r-panel);flex-direction:column;gap:12px;padding:16px;display:flex}.lx-so-bucket-name{font-size:16px;font-weight:500;line-height:24px}.lx-so-bucket-body{flex-direction:column;flex:1;gap:8px;min-height:92px;display:flex}.lx-so-placed{text-align:left;border-radius:var(--lx-r-chip);width:100%;min-height:48px;transition:border-color var(--lx-so-colour) ease, background var(--lx-so-colour) ease, box-shadow var(--lx-so-move) ease;justify-content:flex-start;padding:10px 14px;font-weight:400;line-height:22px}.lx-so-placed.lx-tile-done{cursor:default}.lx-so-drop{border:1.5px dashed var(--lx-ink-30);border-radius:var(--lx-r-tile);background:var(--lx-white);min-height:46px;font:inherit;color:var(--lx-ink-40);cursor:pointer;transition:border-color var(--lx-so-colour) ease, color var(--lx-so-colour) ease, box-shadow var(--lx-so-move) ease;flex:1;padding:8px 14px;font-size:15px}.lx-so-drop-ready{border-color:var(--lx-green);box-shadow:0 0 0 2px var(--lx-green-ring)}.lx-so-tray{background:var(--lx-oat);border-radius:var(--lx-r-panel);flex-wrap:wrap;align-content:flex-start;gap:10px;min-height:76px;padding:14px;display:flex}.lx-so-chip{border-radius:var(--lx-r-chip);font-weight:400}.lx-so-actions{justify-content:space-between;align-items:center;gap:12px;display:flex}.lx-so-actions .lx-hint-btn{justify-content:center;align-items:center;min-height:44px;display:inline-flex}@keyframes lx-so-shake-a{0%{transform:translate(0)}15%{transform:translate(-9px)}32%{transform:translate(7px)}50%{transform:translate(-5px)}68%{transform:translate(3px)}85%{transform:translate(-1.5px)}to{transform:translate(0)}}@keyframes lx-so-shake-b{0%{transform:translate(0)}15%{transform:translate(-9px)}32%{transform:translate(7px)}50%{transform:translate(-5px)}68%{transform:translate(3px)}85%{transform:translate(-1.5px)}to{transform:translate(0)}}.lx-sorter .lx-so-shake-a{animation:.42s ease-out lx-so-shake-a}.lx-sorter .lx-so-shake-b{animation:.42s ease-out lx-so-shake-b}@media (max-width:760px){.lx-sorter>.lx-so-tray{order:1}.lx-sorter>.lx-so-groups{order:2}.lx-sorter>.lx-so-groups~:not(.lx-so-tray){order:3}.lx-so-tray{min-height:0}.lx-so-tray:empty{display:none}.lx-so-groups{gap:8px}.lx-so-bucket{gap:8px;padding:10px 12px 12px}.lx-so-bucket-name{font-size:15px;line-height:20px}.lx-so-bucket-body{gap:6px;min-height:0}.lx-so-drop{flex:none;min-height:44px}}@media (max-width:560px){.lx-so-groups{grid-template-columns:1fr}.lx-so-list,.lx-so-tray{padding:12px}.lx-so-item{gap:12px;padding:12px 14px}.lx-so-actions{flex-direction:column-reverse;align-items:stretch}.lx-so-actions .lx-btn{width:100%}}