@import"https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;700;900&display=swap";:root{--primary-color: #8c2d19;--primary-hover: #a63a24;--secondary-color: #f7f3eb;--accent-color: #d97706;--text-dark: #2c1810;--text-light: #78350f;--bg-app: #fbf8f3;--card-bg: #ffffff;--border-color: #e7dfd5;--success-color: #16a34a;--error-color: #dc2626}body{margin:0;font-family:"Noto Serif SC",serif;background-color:var(--bg-app);color:var(--text-dark)}.poetry-app{min-height:100vh;display:flex;flex-direction:column}.app-header{background-color:var(--card-bg);border-bottom:3px solid var(--primary-color);padding:12px 30px;display:flex;justify-content:space-between;align-items:center;box-shadow:0 2px 8px #0000000d}.header-logo{display:flex;align-items:center;gap:10px}.header-logo h1{font-size:20px;margin:0;color:var(--primary-color);font-weight:900;display:flex;align-items:center;gap:6px}.badge{font-size:11px;background-color:var(--accent-color);color:#fff;padding:1px 6px;border-radius:10px}.icon-gold{color:var(--accent-color)}.app-container{flex:1;display:grid;grid-template-columns:1fr 280px;gap:20px;max-width:1200px;margin:0 auto;padding:20px;width:100%;box-sizing:border-box}.card{background-color:var(--card-bg);border-radius:12px;border:1px solid var(--border-color);box-shadow:0 4px 12px #8c2d190a;padding:20px;margin-bottom:16px}.btn-primary{background-color:var(--primary-color);color:#fff;border:none;padding:8px 16px;border-radius:6px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:all .2s}.btn-primary:hover{background-color:var(--primary-hover)}.btn-primary:disabled{background-color:#cbd5e1;cursor:not-allowed}.btn-secondary{background-color:var(--secondary-color);color:var(--primary-color);border:1px solid var(--primary-color);padding:8px 16px;border-radius:6px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:6px}.welcome-banner{text-align:center;padding:24px;background:linear-gradient(135deg,#fdfbf7,#f5efe6);border-radius:10px;border:1px dashed var(--accent-color);margin-bottom:20px}.welcome-icon{color:var(--accent-color);margin-bottom:8px}.welcome-banner h2{font-size:22px;color:var(--primary-color);margin:0 0 6px}.welcome-banner p{color:var(--text-light);font-size:14px;margin:0}.level-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;margin-bottom:20px}.level-btn{background-color:var(--secondary-color);border:1px solid var(--border-color);border-radius:8px;padding:14px;cursor:pointer;text-align:center;display:flex;flex-direction:column;gap:4px;transition:all .2s}.level-btn:hover{border-color:var(--primary-color);transform:translateY(-2px)}.level-btn.active{background-color:var(--primary-color);border-color:var(--primary-color);color:#fff}.level-num{font-size:11px;opacity:.8}.level-title{font-size:15px;font-weight:700}.level-author{font-size:12px;opacity:.9}.ai-generator-box{background-color:#fcfaf2;border:1px solid var(--border-color);border-radius:10px;padding:16px}.ai-generator-box h3{margin:0 0 4px;display:flex;align-items:center;gap:6px;color:var(--primary-color);font-size:15px}.ai-generator-box .subtitle{font-size:12px;color:var(--text-light);margin:0 0 12px}.input-group{display:flex;gap:8px}.input-group input{flex:1;padding:8px 12px;border:1px solid var(--border-color);border-radius:6px;font-size:13px}.progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border-color)}.level-indicator{font-size:15px}.progress-bar-container{width:180px}.progress-text{font-size:11px;color:var(--text-light);text-align:right;margin-bottom:2px}.progress-track{height:6px;background-color:var(--secondary-color);border-radius:3px;overflow:hidden}.progress-fill{height:100%;background-color:var(--primary-color);transition:width .3s}.completed-lines{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}.line-row{display:flex;align-items:center;gap:12px;padding:10px 16px;border-radius:6px;font-size:16px;font-weight:700}.line-row.solved{background-color:#f0fdf4;color:var(--success-color);border:1px solid #bbf7d0}.line-row.active{background-color:#fffbeb;color:var(--accent-color);border:1px solid #fde68a}.line-row.locked{background-color:#f3f4f6;color:#9ca3af;border:1px solid #e5e7eb}.line-num{font-size:12px;background-color:#0000000a;width:20px;height:20px;display:flex;align-items:center;justify-content:center;border-radius:50%}.icon-success{color:var(--success-color);margin-left:auto}.puzzle-board{background-color:#fcfbf9;border:2px solid var(--border-color);border-radius:12px;padding:20px;text-align:center;margin-bottom:16px}.puzzle-hint{color:var(--text-light);font-size:13px;margin-top:0;margin-bottom:16px}.tiles-container{display:flex;justify-content:center;gap:12px}.tile{width:54px;height:54px;background-color:#fffdf9;border:2px solid #8c2d19;border-radius:8px;font-size:22px;font-weight:700;color:var(--primary-color);cursor:pointer;box-shadow:0 4px #5c1e10;display:flex;align-items:center;justify-content:center;transition:transform .1s}.tile:active{transform:translateY(2px);box-shadow:0 2px #5c1e10}.tile.selected{background-color:var(--accent-color);color:#fff;border-color:var(--accent-color);box-shadow:0 4px #92400e}.quiz-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:20px}.illustration-panel{display:flex;flex-direction:column;gap:12px}.image-wrapper{background-color:#f3f4f6;border-radius:8px;overflow:hidden;aspect-ratio:1.2;display:flex;align-items:center;justify-content:center;border:1px solid var(--border-color)}.image-placeholder{padding:16px;text-align:center;color:var(--text-light);font-size:13px}.poem-img{width:100%;height:100%;object-fit:cover}.poem-recitation{text-align:center;background-color:#fdfbf7;padding:14px;border-radius:8px;border:1px solid var(--border-color)}.poem-recitation h3{margin:0 0 2px;font-size:18px;color:var(--primary-color)}.poem-recitation .author{color:var(--text-light);font-size:12px;margin:0 0 10px}.poem-text-display{font-size:15px;line-height:1.6;margin-bottom:10px;font-weight:700}.btn-tts{background-color:var(--accent-color);color:#fff;border:none;padding:6px 12px;border-radius:15px;cursor:pointer;display:inline-flex;align-items:center;gap:6px;font-size:12px}.btn-tts.reading{background-color:#9ca3af;animation:pulse 1.5s infinite}.quiz-panel{display:flex;flex-direction:column}.section-title{display:flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--primary-color);margin-bottom:10px}.quiz-box{background-color:#fbf9f5;border:1px solid var(--border-color);border-radius:8px;padding:14px;flex:1}.question-text{font-size:15px;margin-top:0;margin-bottom:14px}.options-list{display:flex;flex-direction:column;gap:8px}.option-btn{display:flex;align-items:center;gap:8px;padding:10px 14px;background-color:#fff;border:1px solid var(--border-color);border-radius:6px;cursor:pointer;text-align:left;font-size:14px;transition:all .2s}.option-letter{font-weight:700;background-color:var(--secondary-color);color:var(--primary-color);width:22px;height:22px;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:12px}.option-btn.correct{border-color:var(--success-color);background-color:#f0fdf4}.option-btn.wrong{border-color:var(--error-color);background-color:#fef2f2}.explanation-box{background-color:#fff;border-radius:6px;padding:12px;border-left:3px solid var(--primary-color);margin-top:12px}.explanation-text{font-size:12px;margin:0 0 8px}.translation-box{background-color:#fcfcfc;padding:8px;border-radius:4px;font-size:11px}.summary-card{text-align:center;padding:40px 20px}.gold-medal{color:var(--accent-color);margin-bottom:12px;animation:bounce 2s infinite}.sidebar{display:flex;flex-direction:column;gap:16px}.widget-title{margin:0 0 2px;font-size:14px;display:flex;align-items:center;gap:6px;color:var(--primary-color)}.widget-subtitle{font-size:11px;color:var(--text-light);margin:0 0 10px}.chart-container{background-color:#fffdf9;border:1px solid var(--border-color);border-radius:6px;padding:8px}.growth-chart{width:100%}.wrongs-card{flex:1}.empty-wrongs{text-align:center;padding:20px 10px;color:var(--text-light);font-size:12px}.wrongs-list{display:flex;flex-direction:column;gap:8px;max-height:240px;overflow-y:auto}.wrong-item{background-color:#fffaf5;border:1px solid #f5efe6;border-radius:6px;padding:10px}.wrong-tag{font-size:11px;font-weight:700;color:var(--primary-color)}.wrong-q{font-size:12px;font-weight:700;margin:4px 0}.wrong-details{display:flex;gap:8px;font-size:11px}.wrong-exp{font-size:11px;color:var(--text-light);margin-top:4px;background-color:#fff;padding:4px;border-radius:4px}@keyframes spinning{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spinning{animation:spinning 2s linear infinite}@keyframes pulse{0%,to{opacity:.6}50%{opacity:1}}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}