.lx .sb-sel{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;padding:10px 18px;border-bottom:1px solid var(--line)}.lx .sb-l{font:500 10px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--mist)}.lx .sb-sel .src.locked{opacity:.4;pointer-events:none}.lx .sb-sel .switch.off{opacity:.4;cursor:default}.lx .sb-sel .switch.off input{cursor:default}.lx .sb-row{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:12px}.lx .sb-row2{grid-template-columns:minmax(0,1.25fr) minmax(0,1fr)}.lx .quiz-on .sb-sel{filter:blur(14px) grayscale(1);opacity:.35;pointer-events:none;-webkit-user-select:none;-moz-user-select:none;user-select:none}.lx .sb-lab.quiz-on .src[data-r=src]{opacity:.4;pointer-events:none}.lx .sb-lab.quiz-on [data-flip] .k{display:none}@media (max-width:980px){.lx .sb-row,.lx .sb-row2{grid-template-columns:minmax(0,1fr)}}@media (max-width:640px){.lx .sb-sel{padding:10px 12px}.lx .sb-sel .src{width:100%}.lx .sb-sel .src button{min-height:40px;flex:1 1 auto;padding:6px}.lx .sb-lab canvas[data-r=spec]{height:230px!important}.lx .sb-lab canvas[data-r=zoom],.lx .sb-lab canvas[data-r=ladder]{height:210px!important}}