.container{max-width:1200px;margin:0 auto;padding:2rem}.title{text-align:center;font-size:2rem;font-weight:700;margin-bottom:1.5rem}.flex{display:flex;flex-wrap:nowrap}.gap-6{gap:1.5rem}.left-section,.right-section{flex:1}.form-group{margin-bottom:1.25rem}.form-label{font-size:1rem;font-weight:500;margin-bottom:.5rem}.input,.textarea{width:100%;padding:.75rem;font-size:1rem;border:1px solid #ddd;border-radius:.25rem}.btn,.hint-btn,.submit-btn{padding:.75rem 1.5rem;font-size:1rem;background-color:#4caf50;color:#fff;border:none;border-radius:.25rem;cursor:pointer}.btn:disabled,.hint-btn:disabled,.submit-btn:disabled{background-color:#ccc}.question-card,.response-box{background-color:#f9f9f9;padding:1rem;border-radius:.5rem;margin-top:1rem}.hint-responses{margin-top:2rem}.hint-card{background-color:#eef2f7;padding:1rem;border-radius:.5rem;margin-bottom:1rem}.hint-card.exceeded{background-color:#f8d7da}.difficulty-btn{padding:.5rem 1rem;background-color:#f0f0f0;border-radius:.25rem;cursor:pointer}.difficulty-btn.selected{background-color:#4caf50;color:#fff}