.school912-shell{--school-green:#087f5b;--school-ink:#173b37;color:var(--school-ink)}
.school912-shell .school896-unit{background:linear-gradient(120deg,#064e3b,#11986b);color:white;border:0;border-radius:22px;padding:24px}
.school912-shell .school896-unit h3{color:white;font-size:26px}
.school912-shell .school896-journey{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:18px 0}
.school912-shell .school896-journey button{background:#f0fdf4;border:1px solid #b9e7d3;border-radius:14px;padding:12px;text-align:left;cursor:pointer;color:#14533f;min-height:90px}
.school912-shell .school896-journey button.active{background:#087f5b;color:white;box-shadow:0 4px 14px #087f5b26}
.school912-shell .school870-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;align-items:start}
.school912-shell .school870-card{border:1px solid #cfe7dd;border-top:5px solid #18a779;border-radius:18px;overflow:hidden;box-shadow:0 5px 18px #123b3010;background:#fff;min-width:0}
.school912-shell [data-v873-card=listening]{border-top-color:#3b82f6}.school912-shell [data-v873-card=vocabulary]{border-top-color:#8b5cf6}.school912-shell [data-v873-card=speaking]{border-top-color:#ed9d24}.school912-shell [data-v873-card=reading]{border-top-color:#14b8a6}
.school912-shell .school870-card-head{background:#f4fbf7;padding:18px;gap:12px;align-items:center}
.school912-shell .school870-card-head h5{font-size:21px;margin:4px 0;color:#173b37}
.school912-shell .school873-card-body{padding:18px}.school912-shell .school873-content{font-size:16px;line-height:1.7}
.school912-shell .school873-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px}
.school912-shell .school873-btn,.school912-shell .school870-expand{border:1px solid #acd9c5;border-radius:11px;background:#ecfdf5;color:#07593e;min-height:44px;padding:10px 14px;font:600 14px system-ui;cursor:pointer;white-space:normal}
.school912-shell .school873-btn.primary,.school912-shell .school870-expand{background:#087f5b;color:white;border-color:#087f5b}
.school912-shell button:hover{filter:brightness(.96)}.school912-shell button:focus-visible{outline:3px solid #f4bb37;outline-offset:3px}
.school912-shell button:disabled{opacity:.5;cursor:not-allowed}
.school912-shell .school873-options{display:grid;gap:9px}.school912-shell .school873-options button{padding:12px;border:1px solid #cbded5;border-radius:10px;text-align:left;font:inherit;cursor:pointer;background:#f8fafc}
.school912-shell .school873-options button.selected{border-color:#087f5b;background:#d1fae5}.school912-shell .school873-options button.correct{background:#bbf7d0}.school912-shell .school873-options button.wrong{background:#fee2e2}
.school912-shell .school948-context{padding:16px;background:#e9f8ef;border-radius:12px}
.school912-shell .school873-input,.school912-shell textarea{box-sizing:border-box;width:100%;padding:12px;border:1px solid #aacdbc;border-radius:10px;font:inherit}
.school912-shell .school873-result{line-height:1.65;overflow-wrap:anywhere}
@media(max-width:850px){.school912-shell .school870-grid{grid-template-columns:1fr}.school912-shell .school896-journey{grid-template-columns:repeat(2,minmax(0,1fr))}.school912-shell .school873-actions>*{flex:1 1 140px}}