.quiz-container{background:#f5f5f5;border-radius:0;box-shadow:none;max-width:860px;width:100%;min-height:100vh;display:flex;flex-direction:column}.quiz-content{flex:1;display:flex;justify-content:center;align-items:center;padding:40px 20px}.question-card{background:#fff;border-radius:24px;padding:60px 40px;max-width:820px;width:100%;box-shadow:0 2px 8px rgba(0,0,0,.08)}.question-header{text-align:center;margin-bottom:50px}.question-main-title{font-size:36px;color:#2d3748;margin-bottom:20px;font-weight:700;line-height:1.3}.question-subtitle{font-size:18px;color:#718096;line-height:1.6}.progress-indicator{text-align:center;margin-bottom:30px}.progress-text{font-size:20px;color:#2d3748;font-weight:600;margin-bottom:15px}.progress-bar{height:8px;background:#e2e8f0;border-radius:10px;overflow:hidden;max-width:100%;margin:0 auto}.progress-fill{height:100%;background:#00d97e;transition:width .3s ease;width:33.33%;border-radius:10px}.question-title{font-size:24px;color:#2d3748;margin-bottom:35px;font-weight:600;text-align:center;line-height:1.4}.options{display:flex;flex-direction:column;gap:16px}.option{background:#00d97e;border:none;border-radius:50px;padding:22px 30px;cursor:pointer;transition:all .2s ease;font-size:17px;color:white;font-weight:700;text-align:center;text-transform:uppercase;letter-spacing:.3px}.option:hover{background:#00c26f;transform:scale(1.02)}.option:active{transform:scale(.98)}.loading-screen{text-align:center;display:none}.loading-screen.active{display:block}.spinner{width:60px;height:60px;border:6px solid #e2e8f0;border-top-color:#00d97e;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 30px}.loading-text{font-size:24px;color:#2d3748;font-weight:700;margin-bottom:15px}.loading-subtext{font-size:18px;color:#718096}.question{display:none}.question.active{display:block;animation:fadeIn .4s ease}@media (max-width:768px){.question-card{padding:40px 25px;border-radius:20px}.question-main-title{font-size:28px}.question-subtitle{font-size:16px}.question-title{font-size:20px}.option{padding:20px 25px;font-size:15px}.progress-text{font-size:18px}}