.lb-tool{padding:24px}.lb-settings{display:flex;flex-wrap:wrap;gap:12px;align-items:end}.lb-settings label{display:grid;gap:5px;min-width:140px;flex:1}.lb-tool select,.lb-tool input[type=text]{width:100%;box-sizing:border-box;padding:10px;border:1px solid var(--border,#d9dee5);border-radius:9px;background:var(--bg-card,#fff);color:inherit;font:inherit}.lb-actions{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0}.lb-tool button,.lb-file{border:1px solid var(--border,#d9dee5);border-radius:10px;padding:10px 16px;background:var(--bg-card,#fff);color:inherit;font:inherit;cursor:pointer;min-height:44px}.lb-tool button:focus-visible,.lb-file:focus-within{outline:3px solid #217e9c;outline-offset:3px}.lb-tool button:disabled{opacity:.5;cursor:default}.lb-tool .lb-primary{background:#e93450;color:white;border-color:#e93450}.lb-question{border:1px solid var(--border,#d9dee5);border-radius:14px;padding:22px;margin:16px 0;scroll-margin-top:100px}.lb-question h2{font-size:1.35rem;line-height:1.6;margin:8px 0 18px}.lb-question blockquote{margin:10px 0;padding:14px;border-left:4px solid #217e9c;line-height:1.9;background:rgba(33,126,156,.07)}.lb-options{display:grid;grid-template-columns:1fr 1fr;gap:10px}.lb-options button{text-align:left;line-height:1.6}.lb-options button[aria-pressed=true]{border:2px solid #217e9c;background:rgba(33,126,156,.12)}.lb-feedback{white-space:pre-wrap;line-height:1.8;padding:12px 0}.lb-muted{color:var(--text-muted,#687382);line-height:1.7}.lb-progress{height:8px;width:100%;accent-color:#217e9c}.lb-tool details{margin-top:18px}.lb-file input{max-width:210px}.lb-bank-list{max-height:400px;overflow:auto;display:grid;gap:10px;margin-top:12px}.lb-bank-list article{border-bottom:1px solid #ccd3dc;padding:10px;line-height:1.8}.lb-tool [hidden]{display:none!important}.lb-status{min-height:1.7em;line-height:1.7}.lb-tool table{border-collapse:collapse;width:100%}.lb-tool td,.lb-tool th{padding:8px;border-bottom:1px solid #ccd3dc;text-align:left}.lb-tool .lb-check{display:flex;align-items:center;gap:8px;min-width:200px}.lb-check input{width:20px;height:20px}.lb-stage{font-weight:600;color:#217e9c}
@media(max-width:600px){.lb-tool{padding:16px}.lb-settings{gap:8px}.lb-settings label{min-width:120px}.lb-question{padding:14px}.lb-options{grid-template-columns:1fr}.lb-actions button{flex:1}.lb-file{width:100%;box-sizing:border-box}.lb-bank-list{max-height:none;overflow:visible}}
[data-theme=dark] .lb-tool{color:inherit}[data-theme=dark] .lb-tool button,[data-theme=dark] .lb-tool select,[data-theme=dark] .lb-tool input{background:#282e38;color:#edf0f5}[data-theme=dark] .lb-tool .lb-primary{background:#dc2947}[data-theme=dark] .lb-muted{color:#b9c3d1}
@media print{.lb-settings,.lb-actions,.lb-question,.lb-tool details,.lb-status{display:none!important}.lb-print{display:block!important}.m-header,.m-aside,.m-search,.m-footer,#m-other{display:none!important}}

.lb-options button:disabled{opacity:1;color:inherit}.lb-options button[aria-pressed=true]:disabled{border-color:#217e9c}

.lb-options button.lb-correct{border:2px solid #27835a;background:rgba(39,131,90,.12)}.lb-options button.lb-incorrect{border:2px solid #ce3650;background:rgba(206,54,80,.09)}