.open-quiz-btn{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;padding:20px 32px;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:16px;color:#fff;font-size:1.3rem;font-weight:700;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 15px #667eea66;margin:24px 0}.open-quiz-btn:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 8px 25px #667eea80}.open-quiz-btn:active{transform:translateY(0) scale(.98)}.open-quiz-icon{font-size:1.5rem}.quiz-modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;z-index:9999;overflow:hidden}.quiz-modal.active{display:flex;align-items:center;justify-content:center}.quiz-modal-backdrop{position:absolute;top:0;left:0;width:100%;height:100%;background:#000000d9;backdrop-filter:blur(8px);animation:fadeIn .3s ease-out}.quiz-modal-content{position:relative;width:90%;max-width:700px;max-height:85vh;overflow-y:auto;overflow-x:hidden;animation:modalSlideIn .4s cubic-bezier(.34,1.56,.64,1);scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.3) transparent}.quiz-modal-content::-webkit-scrollbar{width:8px}.quiz-modal-content::-webkit-scrollbar-track{background:transparent}.quiz-modal-content::-webkit-scrollbar-thumb{background:#ffffff4d;border-radius:4px}.quiz-modal-content::-webkit-scrollbar-thumb:hover{background:#ffffff80}@keyframes modalSlideIn{0%{opacity:0;transform:scale(.9) translateY(20px)}to{opacity:1;transform:scale(1) translateY(0)}}.close-quiz-btn{position:fixed;top:20px;right:20px;width:48px;height:48px;display:none;align-items:center;justify-content:center;background:#ff5252;border:3px solid rgba(255,255,255,.2);border-radius:50%;color:#fff;cursor:pointer;z-index:10000;transition:all .2s;box-shadow:0 4px 20px #ff525280}.quiz-modal.active .close-quiz-btn{display:flex}.close-quiz-btn:hover{background:#ff1744;transform:scale(1.1) rotate(90deg)}.close-quiz-btn svg{width:24px;height:24px}.quiz-container{position:relative;background:linear-gradient(135deg,#1a1a2e,#16213e,#0f3460);border-radius:20px;padding:32px;margin:0;color:#fff;font-family:system-ui,-apple-system,sans-serif;box-shadow:0 10px 40px #0000004d;overflow:hidden;box-sizing:border-box;width:100%}#confetti-canvas{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:10}.quiz-screen{animation:fadeIn .3s ease-in-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.quiz-title{margin:0 0 12px;font-size:1.8rem;text-align:center;background:linear-gradient(135deg,gold,#fa0);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.quiz-subtitle{margin:0 0 24px;text-align:center;opacity:.9;font-size:1.1rem}.prize-pyramid{display:flex;flex-direction:column;gap:4px;margin-bottom:24px;max-width:300px;margin-left:auto;margin-right:auto}.pyramid-item{background:#ffffff1a;padding:8px 16px;border-radius:8px;text-align:center;font-size:.85rem;transition:all .2s}.pyramid-item.level-15,.pyramid-item.level-14,.pyramid-item.level-13{background:linear-gradient(135deg,#ffd7004d,#ffaa004d);border:1px solid rgba(255,215,0,.5);font-weight:600}.pyramid-item.level-9{background:#00c85333;border:1px solid rgba(0,200,83,.4)}.pyramid-item.active{background:linear-gradient(135deg,gold,#fa0);color:#1a1a2e;font-weight:700;transform:scale(1.05)}.quiz-btn{padding:14px 32px;border:none;border-radius:12px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .2s}.primary-btn{background:linear-gradient(135deg,#00c853,#00e676);color:#1a1a2e;display:block;width:100%;max-width:300px;margin:0 auto}.primary-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #00c85366}.start-btn-top{margin-bottom:20px}.quiz-header{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:16px;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.1)}.question-counter{background:#ffffff1a;padding:8px 16px;border-radius:20px;font-weight:600}.score-display{display:flex;flex-direction:column;gap:8px;text-align:right}.score-display .label{font-size:.8rem;opacity:.8}.score-display .value{font-weight:700;font-size:1.1rem}.current-prize .value{color:gold}.total-score .value{color:#00e676}.question-area{margin-bottom:24px}.question-text{margin:0 0 20px;font-size:1.3rem;line-height:1.5;text-align:center}.answers-container{display:grid;grid-template-columns:1fr 1fr;gap:12px}@media(max-width:500px){.answers-container{grid-template-columns:1fr}}.answer-btn{position:relative;display:flex;align-items:center;justify-content:center;background:#ffffff14;border:3px solid rgba(255,255,255,.15);border-radius:18px;padding:0;color:#fff;font-size:1.1rem;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);text-align:center;overflow:hidden;min-height:72px}.answer-btn:hover:not(:disabled){background:#ffffff26;border-color:#fff6;transform:translateY(-3px) scale(1.02);box-shadow:0 8px 25px #0000004d}.answer-btn:active:not(:disabled){transform:translateY(0) scale(.98)}.answer-btn:disabled{cursor:not-allowed}.answer-btn.selected{background:#667eea4d;border-color:#667eea}.answer-btn.correct{background:#00c8534d;border-color:#00c853;animation:pulse .5s ease-in-out}.answer-btn.wrong{background:#ff52524d;border-color:#ff5252}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.02)}}.feedback-area{text-align:center;padding:20px;background:#ffffff0d;border-radius:12px;animation:fadeIn .3s ease-in-out}.feedback-message{margin-bottom:16px;font-size:1.1rem;line-height:1.6}.feedback-message.correct{color:#00e676}.feedback-message.wrong{color:#ff5252}.quiz-end-screen{text-align:center}.final-message{font-size:1.2rem;margin-bottom:24px;line-height:1.6}.final-score-display{background:linear-gradient(135deg,#ffd70033,#fa03);border:2px solid rgba(255,215,0,.4);border-radius:16px;padding:24px;margin-bottom:24px}.final-score-display .label{display:block;font-size:1rem;opacity:.9;margin-bottom:8px}.final-score-value{font-size:2rem;font-weight:700;background:linear-gradient(135deg,gold,#fa0);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.answer-text{width:100%;padding:20px 24px;text-align:center;font-weight:500}