.activity-stage{max-width:860px;margin:0 auto;padding:45px 0 90px}.activity-box{background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px;box-shadow:var(--shadow)}.activity-status{display:flex;justify-content:space-between;gap:20px;margin-bottom:22px;font-weight:800}.activity-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.activity-card,.choice-btn,.tf-btn,.word-chip{border:2px solid transparent;background:#f3f6f4;border-radius:12px;padding:15px;font-weight:800;cursor:pointer;color:var(--navy)}.activity-card.selected,.word-chip.selected{border-color:var(--coral);background:#fff5f1}.activity-card.matched{background:#e4f5ef;color:#145f55}.question-row{padding:18px 0;border-top:1px solid var(--line)}.question-row:first-child{border-top:0}.choice-row,.tf-row{display:flex;gap:9px;flex-wrap:wrap;margin-top:10px}.choice-btn.correct,.tf-btn.correct{background:#e4f5ef;border-color:#168779}.choice-btn.wrong,.tf-btn.wrong{background:#fff0ec;border-color:#d94f31}.ordering-area{display:flex;gap:9px;flex-wrap:wrap;min-height:60px;padding:12px;background:#f5f7f5;border-radius:12px;margin:12px 0}.activity-action{border:0;background:var(--coral);color:#fff;border-radius:10px;padding:12px 17px;font-weight:800;cursor:pointer}.memory-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.memory-card{height:78px;border:0;border-radius:12px;background:var(--navy);color:transparent;font-weight:900;cursor:pointer}.memory-card.open,.memory-card.done{background:#fff3da;color:var(--navy);border:2px solid #e8b84f}.memory-card.done{background:#e4f5ef}.activity-result{padding:24px;background:var(--cream);border-radius:16px;text-align:center}@media(max-width:650px){.activity-grid,.memory-grid{grid-template-columns:repeat(2,1fr)}.activity-box{padding:19px}}
.activity-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px}.activity-toolbar a{color:var(--coral);font-weight:800}.read-aloud{border:1px solid #c9d5d0;background:#fff;color:var(--navy);border-radius:999px;padding:9px 14px;font:inherit;font-weight:800;cursor:pointer}.read-aloud:hover,.read-aloud:focus-visible{border-color:var(--mint);background:#eef9f7}.secondary-button{background:#fff;color:var(--navy);border:1px solid var(--line)}@media(max-width:650px){.activity-toolbar{align-items:flex-start;flex-direction:column}}