@import"https://fonts.googleapis.com/css2?family=Quicksand:wght@500;700;800&display=swap";:root{--primary-color: #FF8A65;--secondary-color: #FFD93D;--accent-color: #4ECDC4;--bg-color: #FFF8E7;--text-color: #2C3E50;--card-shadow: 0 8px 0 rgba(0,0,0,.1), 0 15px 30px rgba(0,0,0,.08);--btn-shadow: 0 5px 0 rgba(0,0,0,.15)}body{margin:0;background-color:var(--bg-color);font-family:Quicksand,PingFang SC,system-ui,sans-serif;color:var(--text-color)}.game-container{max-width:700px;margin:0 auto;padding:20px;min-height:100vh;display:flex;flex-direction:column}.game-header{display:flex;justify-content:space-between;align-items:center;padding:15px 20px;background:#fff;border-radius:24px;border:4px solid var(--text-color);box-shadow:0 6px 0 var(--text-color);margin-bottom:25px}.header-logo{display:flex;align-items:center;gap:12px}.logo-emoji{font-size:36px}.header-logo h1{margin:0;font-size:20px;font-weight:800;color:var(--text-color)}.header-logo p{margin:2px 0 0;font-size:12px;color:#7f8c8d}.action-btn{background:#fff;border:3px solid var(--text-color);padding:8px 16px;border-radius:999px;font-weight:700;cursor:pointer;display:flex;align-items:center;gap:6px;transition:all .2s;box-shadow:0 4px 0 var(--text-color)}.action-btn:hover{transform:translateY(-2px);box-shadow:0 6px 0 var(--text-color)}.action-btn.has-wrongs{background:#ff6b9d;color:#fff}.card{background:#fff;border-radius:32px;border:4px solid var(--text-color);box-shadow:var(--card-shadow);padding:30px;margin-bottom:20px;position:relative;overflow:hidden}.welcome-card{text-align:center}.welcome-mascot{font-size:70px;margin-bottom:10px;animation:bounce 2s infinite}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-15px)}}.welcome-card h2{font-size:26px;font-weight:800;margin-bottom:10px}.welcome-subtitle{color:#7f8c8d;margin-bottom:30px}.play-options{display:flex;flex-direction:column;gap:20px;align-items:center}.btn{border:3px solid var(--text-color);border-radius:999px;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:all .1s ease;box-shadow:var(--btn-shadow)}.btn:active{transform:translateY(4px);box-shadow:none}.btn-primary{background:var(--primary-color);color:#fff;padding:14px 32px;font-size:18px}.btn-accent{background:var(--accent-color);color:#fff;padding:10px 24px}.btn-large{width:100%;max-width:350px}.ai-generator-box{background:#f0fdf4;border:3px dashed var(--accent-color);border-radius:24px;padding:20px;width:100%;box-sizing:border-box}.ai-generator-box h3{margin:0 0 8px;font-size:16px;color:#166534}.ai-tip{font-size:12px;color:#15803d;margin:0 0 12px}.ai-input-group{display:flex;gap:10px}.ai-input-group input{flex:1;border:3px solid var(--text-color);border-radius:999px;padding:10px 20px;font-size:14px;outline:none;font-family:inherit}.learning-chart-box{margin-top:30px;background:#fff5f0;border-radius:24px;padding:20px;border:3px solid var(--text-color)}.learning-chart-box h4{margin:0 0 15px;font-size:15px}.chart-wrapper{width:100%;height:120px}.svg-chart{width:100%;height:100%}.progress-container{margin-bottom:20px}.progress-info{display:flex;justify-content:space-between;font-weight:800;font-size:14px;margin-bottom:8px}.progress-bar-bg{background:#eceff1;height:14px;border-radius:999px;border:3px solid var(--text-color);overflow:hidden}.progress-bar-fill{background:var(--accent-color);height:100%;border-radius:999px}.question-box{background:#fffdf0;border:3px solid var(--text-color);border-radius:24px;padding:20px;margin-bottom:25px}.question-header{display:flex;justify-content:flex-end;margin-bottom:10px}.voice-btn{background:#ffe082;border:2px solid var(--text-color);border-radius:999px;padding:4px 12px;font-size:12px;font-weight:700;cursor:pointer;display:flex;align-items:center;gap:4px}.question-text{font-size:22px;font-weight:800;line-height:1.5;margin:0}.options-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-bottom:25px}@media (max-width: 480px){.options-grid{grid-template-columns:1fr}}.option-btn{background:#fff;border:3px solid var(--text-color);border-radius:20px;padding:15px;font-size:18px;font-weight:700;cursor:pointer;display:flex;align-items:center;gap:12px;text-align:left;box-shadow:0 6px 0 var(--text-color);transition:all .1s}.option-btn:hover:not(:disabled){transform:translateY(-3px);box-shadow:0 9px 0 var(--text-color)}.option-btn:active:not(:disabled){transform:translateY(3px);box-shadow:0 3px 0 var(--text-color)}.option-letter{background:#eceff1;border:2px solid var(--text-color);border-radius:10px;width:32px;height:32px;display:flex;align-items:center;justify-content:center;font-weight:800;flex-shrink:0}.option-btn.correct{background:#a7f3d0;border-color:#059669;box-shadow:0 6px #059669}.option-btn.correct .option-letter{background:#34d399;color:#fff}.option-btn.wrong{background:#fca5a5;border-color:#dc2626;box-shadow:0 6px #dc2626}.option-btn.wrong .option-letter{background:#f87171;color:#fff}.option-btn.disabled{opacity:.6;cursor:not-allowed}.feedback-box{border-radius:24px;border:3px solid var(--text-color);padding:20px;margin-top:20px}.feedback-correct{background:#ecfdf5}.feedback-wrong{background:#fef2f2}.feedback-title{font-size:18px;font-weight:800;display:flex;align-items:center;gap:8px;margin-bottom:10px}.icon-success{color:#10b981}.icon-error{color:#ef4444}.explanation{font-size:15px;color:#555;line-height:1.6;margin-bottom:15px}.btn-next{background:var(--secondary-color);color:var(--text-color);padding:10px 24px;font-size:16px;width:100%}.summary-card{text-align:center}.trophy-box{font-size:80px;margin-bottom:15px;animation:pulse 1.5s infinite}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.summary-card h2{font-size:28px;font-weight:800}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin:25px 0}.stat-card{background:#f8fafc;border:3px solid var(--text-color);border-radius:20px;padding:15px 5px;display:flex;flex-direction:column;align-items:center}.stat-num{font-size:24px;font-weight:800;color:var(--primary-color)}.stat-label{font-size:12px;color:#7f8c8d;margin-top:5px}.summary-actions{display:flex;justify-content:center;gap:15px;margin-top:25px}