.activity-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:18px 0 32px;align-items:stretch}.activity-card{display:flex;flex-direction:column;min-height:210px}.activity-card h3{min-height:30px;margin:10px 0 8px}.activity-card p{flex:1}.activity-card button{width:100%}.activity-card.completed{border-color:#22a06b}.question-list{display:grid;gap:16px}@media(max-width:760px){.activity-grid{grid-template-columns:1fr}.activity-card{min-height:0}.activity-card h3{min-height:0}}