.form-group{margin-bottom:20px;}.cartoon-label{display:block;margin-bottom:8px;font-weight:bold;color:var(--text-primary);font-size:14px;padding-left:4px;}.cartoon-input,.cartoon-select,.cartoon-textarea{width:100%;padding:14px 18px;border:2px solid var(--bg-tertiary);background-color:var(--bg-tertiary);border-radius:var(--border-radius-md);font-family:var(--font-primary);font-size:16px;color:var(--text-primary);transition:all 0.3s ease;outline:none;}.cartoon-input:focus,.cartoon-select:focus,.cartoon-textarea:focus{background-color:var(--bg-secondary);border-color:var(--secondary-color);box-shadow:0 0 0 4px rgba(77,208,225,0.2);}.cartoon-textarea{min-height:100px;resize:vertical;}.cartoon-textarea-code{width:100%;height:300px;padding:16px;font-family:'Monaco','Consolas',monospace;background-color:#263238;color:#ECEFF1;border-radius:var(--border-radius-md);border:none;line-height:1.5;}.cartoon-input-chat{flex:1;padding:14px 20px;border:2px solid var(--bg-tertiary);border-radius:30px;background-color:var(--bg-tertiary);font-size:16px;color:var(--text-primary);transition:all 0.3s;outline:none;}.cartoon-input-chat:focus{background-color:var(--bg-secondary);border-color:var(--primary-color);color:var(--text-primary);box-shadow:0 0 0 3px rgba(255,138,101,0.2);}.language-selection-row{display:flex;align-items:flex-end;gap:10px;}.language-selection-row .form-group{flex:1;}.cartoon-icon-btn{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background-color:var(--accent-color);color:#fff;border-radius:50%;margin-bottom:22px;cursor:pointer;box-shadow:0 3px 0 #FFA000;transition:transform 0.2s;}.cartoon-icon-btn:active{transform:translateY(3px);box-shadow:none;}.checkbox-group,.radio-group{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:15px;}.checkbox-item{background-color:var(--bg-tertiary);border:2px solid transparent;border-radius:var(--border-radius-md);padding:15px;cursor:pointer;transition:all 0.2s ease;position:relative;display:flex;align-items:flex-start;}.checkbox-item:hover{background-color:var(--bg-secondary);box-shadow:0 4px 10px rgba(0,0,0,0.05);border-color:var(--secondary-color);}.checkbox-item.checked{background-color:var(--bg-primary);border-color:var(--secondary-color);box-shadow:0 4px 10px rgba(77,208,225,0.2);}[data-theme="dark"] .checkbox-item.checked{background-color:rgba(77,208,225,0.15);border-color:var(--secondary-color);}[data-theme="dark"] .checkbox-item:hover{background-color:rgba(255,255,255,0.05);}.checkbox-item input[type="checkbox"]{display:none;}.checkbox-item label{cursor:pointer;width:100%;display:block;pointer-events:none;}.checkbox-item strong{color:var(--text-primary);font-size:15px;margin-bottom:4px;display:inline-block;}.checkbox-item small{color:var(--text-secondary);display:block;line-height:1.4;font-size:13px;margin-top:4px;}.radio-item{background-color:var(--bg-tertiary);border:2px solid transparent;border-radius:var(--border-radius-md);padding:15px;cursor:pointer;transition:all 0.2s ease;position:relative;display:flex;align-items:center;}.radio-item:hover{background-color:var(--bg-secondary);box-shadow:0 4px 10px rgba(0,0,0,0.05);border-color:var(--primary-color);}.radio-item.selected{background-color:var(--bg-primary);border-color:var(--primary-color);box-shadow:0 4px 10px rgba(255,138,101,0.2);}[data-theme="dark"] .radio-item.selected{background-color:rgba(255,171,145,0.15);border-color:var(--primary-color);}[data-theme="dark"] .radio-item:hover{background-color:rgba(255,255,255,0.05);}.radio-item input[type="radio"]{display:none;}.radio-item-content{display:flex;align-items:center;width:100%;}.radio-item-icon{width:40px;height:40px;border-radius:50%;background-color:#fff;display:flex;align-items:center;justify-content:center;margin-right:15px;color:var(--primary-color);font-size:18px;flex-shrink:0;}.radio-item.selected .radio-item-icon{background-color:var(--primary-color);color:#fff;}.radio-item-text{flex:1;}.radio-item-title{font-weight:bold;color:var(--text-primary);font-size:15px;margin-bottom:4px;}.radio-item-description{font-size:13px;color:var(--text-secondary);line-height:1.4;}.checkbox-option,.radio-option{position:relative;}.checkbox-option input,.radio-option input{position:absolute;opacity:0;cursor:pointer;}.checkbox-label,.radio-label{display:inline-block;padding:8px 16px;background-color:var(--bg-tertiary);border-radius:20px;font-size:14px;color:var(--text-secondary);cursor:pointer;transition:all 0.2s;border:2px solid transparent;font-weight:600;}.checkbox-option input:checked + .checkbox-label,.radio-option input:checked + .radio-label{background-color:var(--bg-secondary);border-color:var(--primary-color);color:var(--primary-color);box-shadow:0 4px 10px rgba(255,138,101,0.2);transform:translateY(-2px);}.cartoon-range{-webkit-appearance:none;width:100%;height:8px;background:var(--bg-tertiary);border-radius:5px;outline:none;margin-top:10px;}.cartoon-range::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:var(--secondary-color);cursor:pointer;border:2px solid #fff;box-shadow:0 2px 5px rgba(0,0,0,0.2);transition:transform 0.1s;}.cartoon-range::-webkit-slider-thumb:hover{transform:scale(1.2);}.custom-select-container{position:relative;width:100%;font-family:var(--font-primary);}.custom-select-trigger{display:flex;justify-content:space-between;align-items:center;padding:10px 15px;background-color:var(--bg-tertiary);border:2px solid var(--bg-tertiary);border-radius:var(--border-radius-md);cursor:pointer;transition:all 0.3s ease;user-select:none;}.custom-select-container.open .custom-select-trigger{background-color:var(--bg-secondary);border-color:var(--secondary-color);border-bottom-left-radius:0;border-bottom-right-radius:0;box-shadow:0 4px 10px rgba(0,0,0,0.05);}.selected-value{display:flex;align-items:center;gap:10px;}.lang-name{color:var(--text-primary);font-weight:600;font-size:14px;}.select-arrow{color:var(--text-secondary);font-size:12px;transition:transform 0.3s;}.custom-select-container.open .select-arrow{transform:rotate(180deg);color:var(--secondary-color);}.custom-select-options{position:absolute;top:100%;left:0;right:0;background-color:var(--bg-secondary);border:2px solid var(--secondary-color);border-top:none;border-bottom-left-radius:var(--border-radius-md);border-bottom-right-radius:var(--border-radius-md);z-index:100;max-height:200px;overflow-y:auto;display:none;box-shadow:0 8px 16px rgba(0,0,0,0.1);}.custom-select-container.open .custom-select-options{display:block;animation:slideDown 0.2s ease-out;}.custom-select-option{padding:10px 15px;display:flex;align-items:center;gap:10px;cursor:pointer;transition:background-color 0.2s;}.custom-select-option:hover{background-color:var(--bg-tertiary);}.custom-select-option.selected{background-color:var(--bg-primary);}.custom-select-option.selected .lang-name{color:var(--primary-color);}@keyframes slideDown{from{opacity:0;transform:translateY(-10px);}to{opacity:1;transform:translateY(0);}}[data-theme="dark"] .custom-select-trigger{background-color:rgba(255,255,255,0.05);border-color:rgba(255,255,255,0.05);}[data-theme="dark"] .custom-select-container.open .custom-select-trigger{background-color:var(--bg-secondary);border-color:var(--secondary-color);}[data-theme="dark"] .custom-select-option:hover{background-color:rgba(255,255,255,0.05);}[data-theme="dark"] .custom-select-option.selected{background-color:rgba(77,208,225,0.1);}.cartoon-box{background-color:var(--bg-sidebar);padding:15px;border-radius:var(--border-radius-md);border:2px dashed var(--border-color);}.scenario-fields{animation:slideDown 0.3s ease-out;}.scenario-fields-card{background:linear-gradient(135deg,var(--bg-secondary) 0%,var(--bg-tertiary) 100%);padding:20px;border-radius:var(--border-radius-lg);border:2px solid var(--primary-color);box-shadow:0 4px 12px rgba(255,138,101,0.15);}.scenario-fields-title{font-size:16px;font-weight:bold;color:var(--primary-color);margin-bottom:15px;padding-bottom:10px;border-bottom:1px dashed var(--border-color);display:flex;align-items:center;gap:8px;}.scenario-fields-title i{font-size:18px;}.scenario-fields .form-group{margin-bottom:15px;}.scenario-fields .form-group:last-child{margin-bottom:0;}.scenario-fields .cartoon-input,.scenario-fields .cartoon-textarea{background-color:var(--bg-primary);border-color:var(--border-color);}.scenario-fields .cartoon-input:focus,.scenario-fields .cartoon-textarea:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(255,138,101,0.2);}[data-theme="dark"] .scenario-fields-card{background:linear-gradient(135deg,rgba(255,138,101,0.1) 0%,rgba(255,171,145,0.05) 100%);border-color:var(--primary-color);}[data-theme="dark"] .scenario-fields .cartoon-input,[data-theme="dark"] .scenario-fields .cartoon-textarea{background-color:var(--bg-tertiary);}.voice-params-container{display:grid;grid-template-columns:1fr 1fr;gap:15px;}.voice-param-control label{font-size:12px;color:var(--text-secondary);display:block;margin-bottom:4px;}button{border:none;outline:none;background:none;cursor:pointer;font-family:var(--font-heading);transition:var(--transition);user-select:none;}.cartoon-btn{background-color:var(--primary-color);color:#fff;padding:12px 24px;border-radius:var(--border-radius-round);font-size:16px;box-shadow:0 4px 0 #E64A19;display:inline-flex;align-items:center;justify-content:center;gap:8px;}.cartoon-btn:hover{background-color:var(--primary-hover);transform:translateY(-2px);box-shadow:0 6px 0 #E64A19;}.cartoon-btn:active{transform:translateY(4px);box-shadow:0 0 0 #E64A19;}.cartoon-btn-large{background-color:var(--secondary-color);color:#fff;width:100%;padding:16px;border-radius:var(--border-radius-lg);font-size:20px;box-shadow:0 5px 0 #0097A7;margin-top:20px;}.cartoon-btn-large:hover{background-color:var(--secondary-hover);transform:translateY(-2px);box-shadow:0 7px 0 #0097A7;}.cartoon-btn-large:active{transform:translateY(5px);box-shadow:none;}.cartoon-btn-outline{background-color:transparent;border:2px solid var(--border-color);color:var(--text-secondary);padding:10px 20px;border-radius:var(--border-radius-md);font-family:var(--font-primary);font-weight:bold;}.cartoon-btn-outline:hover{border-color:var(--primary-color);color:var(--primary-color);background-color:var(--bg-primary);}.cartoon-btn-danger{background-color:#FFEBEE;color:var(--danger-color);padding:10px 20px;border-radius:var(--border-radius-md);font-weight:bold;}.cartoon-btn-danger:hover{background-color:var(--danger-color);color:#fff;}.cartoon-btn-icon{width:44px;height:44px;border-radius:50%;background-color:var(--bg-primary);color:var(--text-primary);display:flex;align-items:center;justify-content:center;font-size:18px;transition:all 0.2s ease;flex-shrink:0;}.cartoon-btn-icon:hover{background-color:var(--accent-color);color:#fff;transform:rotate(15deg) scale(1.1);}.cartoon-btn-icon:active,.cartoon-btn-icon.active{background-color:var(--primary-color);color:#fff;transform:scale(0.95);box-shadow:inset 0 3px 6px rgba(0,0,0,0.2);}.sidebar-btn{width:100%;text-align:left;justify-content:flex-start;margin-bottom:8px;padding:12px 16px;}.sidebar-btn.active{background-color:var(--primary-color);color:#fff;border-color:var(--primary-color);box-shadow:0 4px 10px rgba(255,138,101,0.4);}.cartoon-btn-small-danger{padding:6px 12px;font-size:12px;background:rgba(0,0,0,0.2);color:#fff;border-radius:20px;}.cartoon-btn-small-danger:hover{background:rgba(0,0,0,0.4);}.cartoon-btn-send{width:50px;height:50px;border-radius:50%;background-color:var(--primary-color);color:#fff;box-shadow:0 4px 0 #E64A19;display:flex;align-items:center;justify-content:center;font-size:20px;margin-left:10px;flex-shrink:0;}.cartoon-btn-send:hover{transform:translateY(-2px);box-shadow:0 6px 0 #E64A19;}.cartoon-btn-send:active{transform:translateY(4px);box-shadow:none;}.cartoon-btn-ptt{width:50px;height:50px;border-radius:50%;background-color:var(--secondary-color);color:#fff;box-shadow:0 4px 0 #0097A7;display:flex;align-items:center;justify-content:center;font-size:20px;margin-left:10px;flex-shrink:0;cursor:pointer;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;transition:transform 0.1s,box-shadow 0.1s,background-color 0.1s;}.cartoon-btn-ptt:hover{transform:translateY(-2px);box-shadow:0 6px 0 #0097A7;}.cartoon-btn-ptt:active,.cartoon-btn-ptt.active{transform:translateY(4px);box-shadow:none;background-color:#00ACC1;}.cartoon-btn-ptt.recording{background-color:#4CAF50;box-shadow:0 4px 0 #388E3C;animation:ptt-pulse 1s infinite;}@keyframes ptt-pulse{0%,100%{opacity:1;}50%{opacity:0.7;}}.ptt-dialog{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%) scale(0.8);z-index:10000;opacity:0;transition:opacity 0.3s ease,transform 0.3s cubic-bezier(0.175,0.885,0.32,1.275);pointer-events:none;}.ptt-dialog.show{opacity:1;transform:translate(-50%,-50%) scale(1);}.ptt-dialog.hidden{display:none;}.ptt-dialog-content{background:var(--bg-secondary);border-radius:var(--border-radius-lg);padding:30px 40px;text-align:center;box-shadow:0 15px 40px rgba(0,0,0,0.3);border:4px solid var(--secondary-color);}.ptt-dialog-icon{position:relative;width:80px;height:80px;margin:0 auto 20px;display:flex;align-items:center;justify-content:center;background:none !important;background-color:transparent !important;border-radius:50%;}.ptt-dialog-icon::before,.ptt-dialog-icon::after{display:none !important;}.ptt-dialog-icon i{font-size:40px;color:#4CAF50;z-index:1;background:none !important;animation:ptt-icon-glow 1.5s ease-in-out infinite;}@keyframes ptt-icon-glow{0%,100%{transform:scale(1);filter:drop-shadow(0 0 8px rgba(76,175,80,0.6));}50%{transform:scale(1.1);filter:drop-shadow(0 0 20px rgba(76,175,80,0.9));}}.ptt-pulse-ring{display:none !important;}.ptt-dialog-text{font-size:1.4em;font-weight:600;color:var(--text-primary);margin-bottom:10px;font-family:var(--font-heading);}.ptt-dialog-hint{font-size:0.95em;color:var(--text-secondary);}[data-theme="dark"] .ptt-dialog{background:transparent;}[data-theme="dark"] .ptt-dialog-content{background:var(--bg-secondary);border-color:var(--secondary-color);}[data-theme="dark"] .ptt-dialog-icon{background:none !important;background-color:transparent !important;}[data-theme="dark"] .ptt-dialog-icon i{color:#66BB6A;background:none !important;}[data-theme="dark"] .ptt-pulse-ring{display:none !important;}.cartoon-btn-mode{width:40px;height:40px;border-radius:12px;background-color:var(--bg-tertiary);color:var(--text-secondary);margin-right:5px;flex-shrink:0;}.cartoon-btn-mode.active{background-color:var(--secondary-color);color:#fff;box-shadow:0 3px 0 #0097A7;}.btn-link{color:var(--primary-color);font-weight:bold;text-decoration:underline;}.btn-link:hover{color:var(--primary-hover);}#voice-to-text-btn.active{background-color:var(--primary-color);color:#fff;box-shadow:0 3px 0 #E64A19;}#voice-to-text-btn.inactive{background-color:var(--danger-color);color:#fff;opacity:0.9;}#voice-to-text-btn.inactive:hover{opacity:1;transform:scale(1.05);}#voice-to-text-btn.speech-detected{background-color:#4CAF50 !important;color:#fff !important;box-shadow:0 0 0 4px rgba(76,175,80,0.3) !important;animation:speech-detected-pulse 0.8s ease-in-out infinite !important;}[data-theme="dark"] #voice-to-text-btn.speech-detected{background-color:#66BB6A !important;box-shadow:0 0 0 4px rgba(102,187,106,0.4) !important;}#voice-to-text-btn.speech-detected i{animation:mic-icon-breathe 0.6s ease-in-out infinite;}.chat-container{flex:1;display:flex;flex-direction:column;overflow:hidden;border-radius:var(--border-radius-lg);background-color:rgba(255,255,255,0.85);box-shadow:0 10px 30px rgba(0,0,0,0.05);position:relative;min-height:0;}[data-theme="dark"] .chat-container{background-color:rgba(55,71,79,0.9);}.chat-messages{flex:1;min-height:0;overflow-y:auto;padding:var(--spacing-lg);display:flex;flex-direction:column;gap:20px;scroll-behavior:smooth;padding-bottom:140px;contain:layout style;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;}.message{display:flex;flex-direction:column;max-width:80%;animation:popIn 0.3s cubic-bezier(0.175,0.885,0.32,1.275);content-visibility:auto;contain-intrinsic-size:auto 80px;}.message.user{align-self:flex-end;align-items:flex-end;}.message.assistant{align-self:flex-start;align-items:flex-start;}.message-bubble{padding:12px 18px;border-radius:20px;font-size:15px;line-height:1.5;position:relative;word-wrap:break-word;box-shadow:0 2px 5px rgba(0,0,0,0.05);}.message.user .message-bubble{background-color:var(--primary-color);color:#fff;border-bottom-right-radius:4px;}.message.user.user-transcript-uncertain .message-content{opacity:0.88;font-style:italic;}[data-theme="dark"] .message.user .message-bubble{color:var(--text-inverted);}.message.assistant .message-bubble{background-color:var(--bg-tertiary);color:var(--text-primary);border-bottom-left-radius:4px;}.message-info{font-size:11px;color:var(--text-secondary);margin-top:4px;opacity:0.8;padding:0 5px;}.message.streaming .message-bubble::after{content:'';display:inline-block;width:8px;height:8px;background-color:currentColor;border-radius:50%;margin-left:5px;animation:pulse 1s infinite;}.chat-input-area{background-color:rgba(255,255,255,0.85);padding:15px var(--spacing-lg);border-top:1px solid rgba(0,0,0,0.05);position:relative;z-index:30;}[data-theme="dark"] .chat-input-area{background-color:rgba(55,71,79,0.9);border-top-color:rgba(255,255,255,0.1);}.input-controls{display:flex;align-items:center;gap:10px;max-width:900px;margin:0 auto;min-height:62px;}.voice-active-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(255,255,255,0.9);display:flex;justify-content:center;align-items:center;z-index:50;}.voice-waves{display:flex;align-items:center;gap:5px;height:40px;}.wave{width:6px;background-color:var(--secondary-color);border-radius:3px;animation:wave 1s infinite ease-in-out;}.wave:nth-child(1){height:20px;animation-delay:0.1s;}.wave:nth-child(2){height:30px;animation-delay:0.2s;}.wave:nth-child(3){height:40px;animation-delay:0.3s;}.wave:nth-child(4){height:30px;animation-delay:0.2s;}.wave:nth-child(5){height:20px;animation-delay:0.1s;}@keyframes wave{0%,100%{transform:scaleY(1);}50%{transform:scaleY(1.5);}}#chat-interface{position:relative;}.chat-close-area{position:absolute;top:-12px;right:-12px;width:50px;height:50px;z-index:200;display:flex;justify-content:center;align-items:center;}.chat-close-btn{width:32px;height:32px;border-radius:50%;border:none;background-color:rgba(150,150,150,0.4);color:rgba(255,255,255,0.6);cursor:pointer;display:flex;justify-content:center;align-items:center;font-size:14px;transition:all 0.2s ease;}.chat-close-area:hover .chat-close-btn,.chat-close-area.active .chat-close-btn{background-color:rgba(244,67,54,0.85);color:#fff;transform:scale(1.1);box-shadow:0 2px 8px rgba(244,67,54,0.4);}.chat-close-btn:hover{background-color:rgba(244,67,54,1);}[data-theme="dark"] .chat-close-btn{background-color:rgba(100,100,100,0.5);color:rgba(255,255,255,0.5);}[data-theme="dark"] .chat-close-area:hover .chat-close-btn,[data-theme="dark"] .chat-close-area.active .chat-close-btn{background-color:rgba(244,67,54,0.85);color:#fff;}.modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(69,90,100,0.6);backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px);z-index:1000;animation:fadeIn 0.3s ease;}.modal.active{display:flex;align-items:center;justify-content:center;}.modal-content{background:rgba(255,255,255,0.88);border-radius:var(--border-radius-lg);max-width:600px;width:90%;max-height:85vh;display:flex;flex-direction:column;box-shadow:0 15px 50px rgba(0,0,0,0.15);border:4px solid rgba(255,255,255,0.5);animation:slideUp 0.4s cubic-bezier(0.175,0.885,0.32,1.275);overflow:hidden;}[data-theme="dark"] .modal-content{background:rgba(55,71,79,0.8);border-color:rgba(255,255,255,0.1);}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px 25px;background-color:var(--bg-primary);border-bottom:2px solid rgba(0,0,0,0.05);}.modal-header h3{margin:0;color:var(--primary-color);font-size:1.4em;}.cartoon-close-btn{background:var(--bg-tertiary);border:none;font-size:20px;cursor:pointer;color:var(--text-secondary);width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all 0.2s;}.cartoon-close-btn:hover{background-color:var(--danger-color);color:#fff;transform:rotate(90deg);}.modal-body{padding:25px;overflow-y:auto;flex:1;}.loading{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(255,255,255,0.9);z-index:2000;align-items:center;justify-content:center;flex-direction:column;}.loading.active{display:flex;}.cartoon-loading p{margin-top:15px;font-size:1.2em;color:var(--primary-color);font-weight:bold;letter-spacing:1px;}@keyframes fadeIn{from{opacity:0;}to{opacity:1;}}@keyframes slideUp{from{transform:translateY(50px);opacity:0;}to{transform:translateY(0);opacity:1;}}.unified-notification-container{position:fixed;top:20px;right:20px;z-index:10000;max-width:350px;pointer-events:none;}.unified-notification{--animation-duration:400ms;padding:16px 20px;margin-bottom:15px;border-radius:var(--border-radius-md);box-shadow:0 8px 20px rgba(0,0,0,0.1);position:relative;background:#fff;font-family:var(--font-primary);font-weight:600;pointer-events:auto;opacity:0;transform:translateX(100%) scale(0.8);transition:all var(--animation-duration) cubic-bezier(0.175,0.885,0.32,1.275);border:2px solid transparent;}.unified-notification.show{opacity:1;transform:translateX(0) scale(1);}.unified-notification.success{background-color:#E8F5E9;color:#2E7D32;border-color:#A5D6A7;}.unified-notification.error{background-color:#FFEBEE;color:#C62828;border-color:#EF9A9A;}.unified-notification.warning{background-color:#FFF8E1;color:#F57F17;border-color:#FFE082;}.unified-notification.info{background-color:#E3F2FD;color:#1565C0;border-color:#90CAF9;}.unified-notification > div{display:flex;align-items:center;gap:12px;}.unified-notification i{font-size:20px;}.notification-close{position:absolute;top:5px;right:8px;background:none;border:none;color:inherit;opacity:0.5;cursor:pointer;font-size:14px;}.notification-close:hover{opacity:1;}.unified-confirm-dialog{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.5);backdrop-filter:blur(3px);display:flex;justify-content:center;align-items:center;z-index:10001;opacity:0;transition:opacity 0.3s ease;}.unified-confirm-dialog.show{opacity:1;}.confirm-content{background:var(--bg-secondary);border-radius:var(--border-radius-lg);padding:30px;max-width:400px;width:90%;box-shadow:0 10px 30px rgba(0,0,0,0.2);transform:scale(0.8);transition:transform 0.3s cubic-bezier(0.175,0.885,0.32,1.275);border:4px solid var(--bg-primary);}.unified-confirm-dialog.show .confirm-content{transform:scale(1);}.confirm-header h3{margin:0 0 15px 0;font-family:var(--font-heading);color:var(--text-primary);}.confirm-message{margin-bottom:25px;color:var(--text-secondary);font-size:1.1em;}.confirm-actions{display:flex;justify-content:flex-end;gap:15px;}.confirm-ok,.confirm-cancel{padding:10px 20px;border-radius:20px;font-weight:bold;cursor:pointer;border:none;transition:transform 0.2s;}.confirm-ok:hover,.confirm-cancel:hover{transform:translateY(-2px);}.confirm-ok.primary{background-color:var(--primary-color);color:#fff;}.confirm-ok.dangerous{background-color:var(--danger-color);color:#fff;}.confirm-cancel{background-color:var(--bg-tertiary);color:var(--text-secondary);}.session-item{background-color:var(--bg-secondary);border-radius:var(--border-radius-lg);padding:0;margin-bottom:20px;transition:all 0.3s cubic-bezier(0.25,0.8,0.25,1);border:2px solid transparent;overflow:hidden;display:flex;flex-direction:column;contain:layout style paint;}.session-item:hover{transform:translateY(-5px);border-color:var(--primary-color);box-shadow:0 10px 20px rgba(0,0,0,0.1);}.session-card-header{padding:15px 20px;background-color:rgba(0,0,0,0.02);border-bottom:1px solid rgba(0,0,0,0.05);display:flex;justify-content:space-between;align-items:center;}.session-title{font-family:var(--font-heading);font-size:18px;color:var(--text-primary);font-weight:bold;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1;margin-right:10px;}.session-card-body{padding:20px;display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:15px;}.info-item{display:flex;align-items:flex-start;gap:10px;}.info-icon{margin-top:3px;color:var(--secondary-color);font-size:16px;width:20px;text-align:center;}.info-content{display:flex;flex-direction:column;}.info-label{font-size:11px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:0.5px;margin-bottom:2px;}.info-value{font-size:14px;color:var(--text-primary);font-weight:600;line-height:1.3;}.info-item.highlight .info-value{color:var(--primary-color);}.session-card-footer{padding:15px 20px;background-color:rgba(0,0,0,0.02);border-top:1px solid rgba(0,0,0,0.05);display:flex;gap:10px;justify-content:flex-end;}.action-btn{padding:8px 16px;border-radius:var(--border-radius-round);font-weight:bold;font-size:14px;cursor:pointer;transition:all 0.2s;display:flex;align-items:center;gap:6px;border:none;outline:none;}.btn-continue{background-color:var(--primary-color);color:#fff;box-shadow:0 3px 0 rgba(0,0,0,0.1);flex:1;justify-content:center;}.btn-continue:hover{background-color:var(--primary-hover);transform:translateY(-2px);box-shadow:0 5px 0 rgba(0,0,0,0.1);}.btn-continue:active{transform:translateY(1px);box-shadow:none;}.btn-delete{background-color:transparent;color:var(--text-secondary);border:2px solid rgba(0,0,0,0.1);width:40px;justify-content:center;padding:0;}.btn-delete:hover{background-color:#FFEBEE;color:var(--danger-color);border-color:var(--danger-color);}[data-theme="dark"] .btn-delete:hover{background-color:rgba(229,115,115,0.1);}.empty-state{text-align:center;padding:40px 20px;color:var(--text-secondary);}.empty-state-icon{font-size:48px;margin-bottom:15px;color:var(--border-color);opacity:0.5;}.prompt-filter-bar{display:flex;align-items:center;gap:12px;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--border-color);flex-wrap:wrap;}.prompt-tabs{display:flex;gap:5px;flex-wrap:wrap;flex:1;}.prompt-sort-select{appearance:none;-webkit-appearance:none;-moz-appearance:none;padding:9px 32px 9px 14px;border:1px solid var(--border-color);border-radius:var(--border-radius-md);background-color:var(--bg-tertiary);color:var(--text-primary);font-size:13px;font-weight:500;cursor:pointer;transition:all 0.2s ease;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;min-width:140px;}.prompt-sort-select:hover{border-color:var(--secondary-color);background-color:var(--bg-secondary);}.prompt-sort-select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 2px rgba(255,138,101,0.2);}[data-theme="dark"] .prompt-sort-select{background-color:rgba(255,255,255,0.06);border-color:rgba(255,255,255,0.1);}[data-theme="dark"] .prompt-sort-select:hover{background-color:rgba(255,255,255,0.1);border-color:rgba(255,255,255,0.2);}.prompt-tab{padding:10px 16px;border:none;background-color:var(--bg-tertiary);color:var(--text-secondary);border-radius:var(--border-radius-md);cursor:pointer;font-size:13px;font-weight:600;transition:all 0.2s ease;display:flex;align-items:center;gap:6px;}.prompt-tab:hover{background-color:var(--bg-secondary);color:var(--text-primary);}.prompt-tab.active{background-color:var(--primary-color);color:#fff;box-shadow:0 3px 8px rgba(255,138,101,0.3);}.prompt-tab i{font-size:14px;}#prompt-panel .prompt-content-area{flex:1;min-height:0;}.prompt-content-area{display:flex;flex-direction:column;gap:20px;}.prompt-list{display:grid;gap:12px;flex:1;min-height:0;overflow-y:auto;align-items:start;align-content:start;}.prompt-loading{text-align:center;padding:40px;color:var(--text-secondary);}.prompt-item{background-color:var(--bg-tertiary);border:2px solid transparent;border-radius:var(--border-radius-md);padding:15px;cursor:pointer;transition:all 0.2s ease;display:flex;justify-content:space-between;align-items:center;}.prompt-item:hover{background-color:var(--bg-secondary);border-color:var(--secondary-color);}.prompt-item.selected{border-color:var(--primary-color);background-color:var(--bg-primary);}.prompt-item-info{flex:1;}.prompt-item-title{font-weight:600;color:var(--text-primary);font-size:14px;margin-bottom:4px;}.prompt-item-meta{font-size:12px;color:var(--text-secondary);}.prompt-item-meta span{margin-right:10px;}.prompt-item-actions{display:flex;gap:8px;}.prompt-item-btn{width:32px;height:32px;border:none;border-radius:50%;background-color:var(--bg-secondary);color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all 0.2s;}.prompt-item-btn:hover{background-color:var(--secondary-color);color:#fff;}.prompt-item-btn.btn-edit:hover{background-color:var(--primary-color);}.prompt-editor-section{background-color:var(--bg-secondary);border-radius:var(--border-radius-lg);padding:20px;border:2px solid var(--border-color);}.prompt-editor-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;}.prompt-editor-title{font-weight:bold;font-size:16px;color:var(--text-primary);}.prompt-editor-close{width:30px;height:30px;border:none;background-color:transparent;color:var(--text-secondary);cursor:pointer;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all 0.2s;}.prompt-editor-close:hover{background-color:var(--danger-color);color:#fff;}.prompt-editor-meta{display:flex;gap:20px;margin-bottom:15px;flex-wrap:wrap;}.prompt-meta-item{font-size:13px;color:var(--text-secondary);display:flex;align-items:center;gap:5px;}.prompt-meta-item strong{color:var(--primary-color);}.prompt-editor-section .cartoon-textarea-code{min-height:200px;margin-bottom:15px;}.prompt-actions{display:flex;justify-content:space-between;align-items:center;}#prompt-info{font-size:12px;color:var(--text-secondary);}#prompt-editor-modal .modal-content.prompt-editor-modal-content,.prompt-editor-modal-content{max-width:960px;max-height:90vh;display:flex;flex-direction:column;overflow:hidden;}#prompt-editor-modal .modal-body{overflow-y:auto;flex:1;min-height:0;display:flex;flex-direction:column;}.prompt-editor-main{display:flex;gap:12px;flex:1;min-height:0;margin-top:10px;}#system-prompt-editor{flex:1;min-height:0;height:auto !important;overflow-y:auto;white-space:pre-wrap;word-wrap:break-word;}.prompt-variables-panel{width:220px;flex-shrink:0;display:flex;flex-direction:column;background:rgba(0,0,0,0.03);border-radius:8px;padding:10px;}.prompt-variables-panel-title{font-weight:bold;margin-bottom:8px;font-size:0.9em;color:var(--text-primary);flex-shrink:0;}.prompt-variables-list{display:flex;flex-direction:column;flex-wrap:nowrap;gap:6px;overflow-y:auto;flex:1;min-height:0;font-family:monospace;font-size:0.85em;}.prompt-var-tag{background:#fff;padding:2px 6px;border-radius:4px;border:1px solid #ddd;color:var(--text-primary);cursor:grab;user-select:none;}.prompt-var-tag:active{cursor:grabbing;}.prompt-var-tag.prompt-var-tag-dragging{opacity:0.5;cursor:grabbing;}#system-prompt-editor.prompt-editor-drop-target{outline:2px dashed var(--primary-color);outline-offset:2px;}[data-theme="dark"] .prompt-tab{background-color:rgba(255,255,255,0.05);}[data-theme="dark"] .prompt-tab:hover{background-color:rgba(255,255,255,0.1);}[data-theme="dark"] .prompt-item{background-color:rgba(255,255,255,0.03);}[data-theme="dark"] .prompt-item:hover{background-color:rgba(255,255,255,0.08);}[data-theme="dark"] .prompt-editor-section{background-color:rgba(255,255,255,0.03);}[data-theme="dark"] .prompt-variables-help{background:rgba(255,255,255,0.08);}[data-theme="dark"] .prompt-variables-help-title{color:rgba(255,255,255,0.95);}[data-theme="dark"] .prompt-var-tag{background:rgba(255,255,255,0.12);color:#e8e8e8;border-color:rgba(255,255,255,0.25);}.sidebar-close-btn{position:absolute;top:10px;right:10px;background:rgba(255,255,255,0.8);border:none;color:var(--text-secondary);font-size:1.2rem;width:32px;height:32px;border-radius:50%;display:none;align-items:center;justify-content:center;cursor:pointer;z-index:1002;box-shadow:0 2px 5px rgba(0,0,0,0.1);flex-shrink:0;}@media (max-width:768px){:root{--sidebar-width:0px;--header-height:60px;}.sidebar-close-btn{display:flex;}.sidebar:not(.collapsed) ~ .sidebar-overlay,.sidebar-overlay.active{display:block;opacity:1;}.sidebar{position:fixed;top:0;left:0;bottom:0;width:80%;max-width:300px;transform:translateX(-100%);border-right:none;box-shadow:5px 0 20px rgba(0,0,0,0.1);z-index:1000;transition:transform 0.3s cubic-bezier(0.4,0,0.2,1);background-color:var(--bg-sidebar);}.sidebar:not(.collapsed){transform:translateX(0);}.sidebar.collapsed{transform:translateX(-100%);}.main-content{padding:10px;}.app-header{padding:0 15px;position:relative;z-index:80;flex-shrink:0;min-height:var(--header-height);}.panel-card{display:flex;flex-direction:column;}.panel-card h2{margin-top:5px;flex-shrink:0;}.header-center h2{font-size:1.2em;}.user-info{display:none;}.checkbox-group,.radio-group,.voice-options{flex-direction:column;gap:8px;}.checkbox-label,.radio-label{width:100%;text-align:center;}.chat-container{border-radius:var(--border-radius-md);}.chat-messages{padding:15px;}.message{max-width:90%;}.chat-input-area{padding:10px;}.input-controls{flex-wrap:wrap;gap:8px;}.cartoon-input-chat{min-width:100%;order:1;margin-bottom:8px;}.input-controls button{order:2;}.btn-send{margin-left:auto;}.cartoon-btn-ptt{width:44px;height:44px;font-size:18px;margin-left:0;order:2;}}@media (max-width:480px){.header-right{gap:5px;}.cartoon-btn-icon{width:36px;height:36px;font-size:16px;}.cartoon-btn-ptt{width:40px;height:40px;font-size:16px;}.modal-content{width:95%;padding:0;}.modal-header,.modal-body{padding:15px;}}.teaching-create-card{gap:var(--spacing-lg);}.teaching-create-card > *{flex-shrink:0;}.teaching-hero{position:relative;display:grid;grid-template-columns:minmax(0,1.5fr) minmax(220px,0.8fr);gap:var(--spacing-lg);align-items:center;min-height:250px;flex-shrink:0;padding:var(--spacing-lg);margin-bottom:var(--spacing-md);border-radius:var(--border-radius-lg);background:radial-gradient(circle at 88% 15%,rgba(128,222,234,0.28),transparent 34%),radial-gradient(circle at 8% 90%,rgba(255,171,145,0.22),transparent 32%),linear-gradient(135deg,rgba(255,255,255,0.12),rgba(255,255,255,0.03));border:2px solid rgba(255,255,255,0.12);overflow:hidden;}.teaching-hero::before{content:'';position:absolute;inset:12px;border:2px dashed rgba(255,255,255,0.08);border-radius:calc(var(--border-radius-lg) - 6px);pointer-events:none;}.teaching-hero-copy,.teaching-hero-graphic{position:relative;z-index:1;}.teaching-hero-kicker{display:inline-flex;align-items:center;width:fit-content;padding:4px 12px;margin-bottom:var(--spacing-xs);border-radius:var(--border-radius-round);background:var(--accent-color);color:var(--text-primary);font-size:0.75rem;font-weight:800;letter-spacing:0.6px;text-transform:uppercase;}.teaching-hero-copy h2{margin-bottom:var(--spacing-sm);}.teaching-hero-copy p{max-width:620px;margin:0;color:var(--text-secondary);line-height:1.55;}.teaching-hero-points{display:flex;flex-wrap:wrap;gap:var(--spacing-xs);margin-top:var(--spacing-md);}.teaching-hero-points span{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:var(--border-radius-round);background:var(--bg-tertiary);color:var(--text-secondary);font-weight:700;font-size:0.82rem;}.teaching-hero-graphic{min-height:210px;display:grid;place-items:center;}.teaching-orbit{position:absolute;border-radius:50%;border:2px dashed rgba(128,222,234,0.35);}.teaching-orbit--one{width:168px;height:168px;}.teaching-orbit--two{width:112px;height:112px;border-color:rgba(255,171,145,0.35);}.teaching-hero-avatar{position:relative;z-index:1;width:86px;height:86px;display:grid;place-items:center;border-radius:28px;background:linear-gradient(135deg,var(--secondary-color),var(--primary-color));color:var(--text-inverted);font-size:2.1rem;box-shadow:0 14px 30px rgba(0,0,0,0.18);transform:rotate(-4deg);}.teaching-float-card{position:absolute;z-index:2;padding:7px 12px;border-radius:14px;background:var(--card-bg);border:2px solid var(--border-color);box-shadow:var(--card-shadow);color:var(--text-primary);font-size:0.8rem;font-weight:800;}.teaching-float-card--word{top:22px;left:16px;color:var(--vocabulary-color);}.teaching-float-card--grammar{top:42%;right:0;color:var(--grammar-color);}.teaching-float-card--quiz{bottom:18px;left:52px;color:var(--primary-color);}.teaching-form-section{padding:var(--spacing-md);border-radius:var(--border-radius-lg);background:rgba(255,255,255,0.06);border:2px solid rgba(255,255,255,0.08);}.teaching-series-preview-body{margin-top:var(--spacing-xs);}.teaching-series-preview-rows{display:flex;flex-direction:column;gap:var(--spacing-sm);}.teaching-series-preview-row{display:flex;align-items:center;flex-wrap:wrap;gap:var(--spacing-sm) var(--spacing-md);font-size:0.9rem;}.teaching-series-preview-row--items{align-items:flex-start;}.teaching-series-preview-label{color:var(--text-secondary);min-width:7.5rem;flex-shrink:0;}.teaching-series-preview-planned{font-size:1.1rem;color:var(--primary-color);}.teaching-series-preview-items-inline{display:flex;flex-wrap:wrap;gap:var(--spacing-xs);flex:1;}.teaching-preview-item-chip{display:inline-flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--border-radius-md);background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.12);cursor:text;}.teaching-preview-item-type{font-size:0.8rem;font-weight:600;color:var(--text-secondary);text-transform:capitalize;}.teaching-preview-item-chip .teaching-items-per-lesson-input{width:3.25rem;padding:2px var(--spacing-xs);text-align:center;font-weight:600;}.teaching-series-preview-error{margin:var(--spacing-xs) 0 0;font-size:0.85rem;color:var(--danger-color,#e74c3c);}.teaching-form-lang-diff-row .teaching-form-split{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-md);align-items:start;}.teaching-form-split-item{min-width:0;}.teaching-form-split-item .cartoon-label{margin-bottom:var(--spacing-xs);}.teaching-form-lang-diff-row .teaching-select-note{grid-column:1 / -1;}.teaching-category-grouped{display:flex;flex-direction:column;gap:var(--spacing-md);}.teaching-category-group{padding:var(--spacing-sm);border-radius:var(--border-radius-md);background:rgba(0,0,0,0.12);border:1px solid rgba(255,255,255,0.06);}.teaching-category-group-title{margin:0 0 var(--spacing-sm);font-size:0.92rem;font-weight:800;color:var(--text-primary);display:flex;align-items:center;gap:8px;}.teaching-category-group-title i{color:var(--primary-color);}.teaching-category-group-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:var(--spacing-xs);}.teaching-list-host{margin-top:var(--spacing-md);}.teaching-lesson-card{border-color:rgba(255,255,255,0.08);}.teaching-lesson-card-header{gap:var(--spacing-sm);}.teaching-lesson-title-row{display:flex;align-items:center;gap:10px;flex:1;min-width:0;margin-right:10px;}.teaching-lesson-title-row .session-title{flex:0 1 auto;margin-right:0;}.teaching-lesson-inline-stars{display:inline-flex;align-items:center;gap:3px;flex-shrink:0;}.teaching-lesson-inline-star{background:none;border:none;padding:0 1px;line-height:1;font-size:1.35rem;cursor:pointer;color:#e0e0e0;transition:color 0.15s ease,transform 0.12s ease,text-shadow 0.15s ease;}[data-theme="dark"] .teaching-lesson-inline-star{color:#546e7a;}.teaching-lesson-inline-star.is-on{color:#ffb300;text-shadow:0 0 5px rgba(255,179,0,0.6);}.teaching-lesson-inline-star:hover:not(:disabled){transform:scale(1.25);color:#ffd54f;text-shadow:0 0 8px rgba(255,213,79,0.8);}.teaching-lesson-inline-star:disabled{cursor:default;opacity:0.55;}.teaching-lesson-inline-stars.is-rated .teaching-lesson-inline-star:disabled.is-on{opacity:1;color:#ffb300;}.teaching-lesson-inline-stars.is-busy{opacity:0.7;pointer-events:none;}.teaching-lesson-status{flex-shrink:0;padding:5px 12px;border-radius:var(--border-radius-round);color:var(--text-inverted);font-size:0.78rem;font-weight:900;text-transform:uppercase;letter-spacing:0.5px;background:var(--text-muted);}.teaching-lesson-status--pending{background:var(--warning-color);}.teaching-lesson-status--active{background:var(--success-color);}.teaching-lesson-status--paused{background:var(--secondary-color);}.teaching-lesson-status--completed{background:var(--primary-color);}.teaching-lesson-status--cancelled{background:var(--danger-color);}.teaching-lesson-card-body{grid-template-columns:repeat(auto-fit,minmax(155px,1fr));}.teaching-progress-info{min-width:180px;}.teaching-lesson-progress{display:block;width:100%;height:8px;margin-top:6px;overflow:hidden;border-radius:var(--border-radius-round);background:rgba(255,255,255,0.12);border:1px solid rgba(255,255,255,0.08);}.teaching-lesson-progress span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--secondary-color),var(--primary-color));}.teaching-lesson-actions{flex-wrap:wrap;}.teaching-lesson-card .teaching-lesson-actions .action-btn{min-height:38px;font-weight:700;transition:transform 0.2s ease,box-shadow 0.2s ease,background-color 0.2s ease,color 0.2s ease,border-color 0.2s ease;}.teaching-lesson-card .teaching-lesson-actions .action-btn:not(.teaching-act-delete){border:none;box-shadow:0 3px 0 rgba(0,0,0,0.18);}.teaching-lesson-card .teaching-lesson-actions .action-btn:not(.teaching-act-delete):hover:not(:disabled){transform:translateY(-2px);box-shadow:0 5px 0 rgba(0,0,0,0.15);}.teaching-lesson-card .teaching-lesson-actions .action-btn:not(.teaching-act-delete):active:not(:disabled){transform:translateY(1px);box-shadow:none;}.teaching-lesson-card .teaching-lesson-actions .teaching-act-delete{box-shadow:none;}.teaching-lesson-card .teaching-lesson-actions .teaching-act-delete:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 10px rgba(0,0,0,0.14);}.teaching-lesson-card .teaching-lesson-actions .teaching-act-delete:active:not(:disabled){transform:translateY(1px);box-shadow:none;}.teaching-lesson-card .teaching-lesson-actions .action-btn i,.teaching-lesson-card .teaching-lesson-actions .teaching-act-label{color:inherit;}.teaching-lesson-card .teaching-lesson-actions .teaching-act-resume.btn-continue{flex:1;justify-content:center;background:#d84315;color:#ffffff;}.teaching-lesson-card .teaching-lesson-actions .teaching-act-resume.btn-continue:hover:not(:disabled){background:#bf360c;color:#ffffff;}.teaching-lesson-card .teaching-lesson-actions .teaching-act-next{background:#00838f;color:#ffffff;}.teaching-lesson-card .teaching-lesson-actions .teaching-act-next:hover:not(:disabled){background:#006064;color:#ffffff;}.teaching-lesson-card .teaching-lesson-actions .teaching-act-recall{background:#7b1fa2;color:#ffffff;}.teaching-lesson-card .teaching-lesson-actions .teaching-act-recall:hover:not(:disabled){background:#6a1b9a;color:#ffffff;}.teaching-lesson-card .teaching-lesson-actions .teaching-act-delete{background:transparent;color:#546e7a;border:2px solid #90a4ae;width:auto;min-width:40px;padding:8px 12px;}.teaching-lesson-card .teaching-lesson-actions .teaching-act-delete:hover:not(:disabled){background:#ffebee;color:#c62828;border-color:#e57373;}.teaching-lesson-card .teaching-lesson-actions .action-btn:disabled{cursor:not-allowed;opacity:0.45;transform:none;box-shadow:none;}[data-theme="dark"] .teaching-lesson-card .teaching-lesson-actions .teaching-act-resume.btn-continue{background:#ff7043;color:#1a1a1a;}[data-theme="dark"] .teaching-lesson-card .teaching-lesson-actions .teaching-act-resume.btn-continue:hover:not(:disabled){background:#ff5722;color:#121212;}[data-theme="dark"] .teaching-lesson-card .teaching-lesson-actions .teaching-act-next{background:#00897b;color:#ffffff;}[data-theme="dark"] .teaching-lesson-card .teaching-lesson-actions .teaching-act-next:hover:not(:disabled){background:#00796b;color:#ffffff;}[data-theme="dark"] .teaching-lesson-card .teaching-lesson-actions .teaching-act-recall{background:#8e24aa;color:#ffffff;}[data-theme="dark"] .teaching-lesson-card .teaching-lesson-actions .teaching-act-recall:hover:not(:disabled){background:#7b1fa2;color:#ffffff;}[data-theme="dark"] .teaching-lesson-card .teaching-lesson-actions .teaching-act-delete{color:#eceff1;border-color:#78909c;}[data-theme="dark"] .teaching-lesson-card .teaching-lesson-actions .teaching-act-delete:hover:not(:disabled){background:rgba(229,57,53,0.2);color:#ffcdd2;border-color:#ef5350;}#teaching-create-form .cartoon-label{display:inline-flex;align-items:center;gap:8px;margin-bottom:var(--spacing-sm);}#teaching-create-form .radio-group{grid-template-columns:repeat(auto-fit,minmax(148px,1fr));gap:var(--spacing-sm);align-items:stretch;}#teaching-create-form .radio-option{position:relative;display:flex;min-width:0;}#teaching-create-form .radio-option input{position:absolute;opacity:0;pointer-events:none;}.teaching-select-row{display:grid;grid-template-columns:42px minmax(180px,1fr);gap:var(--spacing-sm);align-items:center;}.teaching-select-row > i{width:42px;height:42px;display:grid;place-items:center;border-radius:14px;background:var(--card-bg);color:var(--primary-color);box-shadow:0 6px 14px rgba(0,0,0,0.08);}.teaching-select{width:100%;min-height:48px;border-radius:18px;font-weight:800;background-color:var(--bg-tertiary);border:2px solid var(--border-color);}.teaching-select-note{grid-column:2;color:var(--text-muted);font-size:0.78rem;font-weight:600;line-height:1.35;}#teaching-create-form .teaching-option-card{width:100%;min-height:150px;height:100%;box-sizing:border-box;display:flex;flex-direction:column;justify-content:center;gap:6px;padding:var(--spacing-md);border-radius:22px;background:radial-gradient(circle at 85% 12%,rgba(255,255,255,0.13),transparent 28%),var(--bg-tertiary);border:2px solid transparent;color:var(--text-primary);box-shadow:0 8px 18px rgba(0,0,0,0.08);cursor:pointer;transition:transform 0.18s ease,border-color 0.18s ease,box-shadow 0.18s ease,background 0.18s ease;}#teaching-create-form .teaching-option-card > i{width:36px;height:36px;display:grid;place-items:center;border-radius:12px;background:var(--card-bg);color:var(--primary-color);font-size:1rem;}#teaching-create-form .teaching-option-card span,#teaching-create-form .teaching-option-card{font-weight:800;}#teaching-create-form .teaching-option-card small{color:var(--text-muted);line-height:1.35;font-size:0.76rem;font-weight:600;}#teaching-create-form .teaching-option-card--compact{min-height:64px;align-items:center;flex-direction:row;justify-content:center;text-align:center;}#teaching-create-form .teaching-option-card--compact > i{width:28px;height:28px;flex:0 0 28px;border-radius:10px;font-size:0.82rem;}#teaching-create-form .teaching-option-card--compact span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}#teaching-create-form .radio-option input:checked + .teaching-option-card{background:radial-gradient(circle at 88% 10%,rgba(255,255,255,0.18),transparent 30%),linear-gradient(135deg,rgba(255,171,145,0.26),rgba(128,222,234,0.16)),var(--bg-secondary);border-color:var(--primary-color);box-shadow:0 12px 26px rgba(255,138,101,0.18);transform:translateY(-2px);}#teaching-create-form .radio-option input:checked + .teaching-option-card > i{background:var(--primary-color);color:#FFFFFF;}#teaching-create-form .teaching-option-card:hover{border-color:var(--secondary-color);transform:translateY(-2px);}.teaching-start-btn{width:100%;margin-top:var(--spacing-md);border-radius:22px;padding:14px 18px;font-size:1rem;}.teaching-list-host,.teaching-kb-list{margin-top:var(--spacing-md);display:flex;flex-direction:column;gap:var(--spacing-sm);}.teaching-lesson-row{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;padding:var(--spacing-sm);gap:var(--spacing-sm);}.teaching-lesson-actions{display:flex;gap:var(--spacing-xs);flex-wrap:wrap;}.teaching-stats-tabs{margin:var(--spacing-sm) 0;flex:none;}.teaching-kb-tabs{display:flex;gap:var(--spacing-xs);flex-wrap:wrap;margin-bottom:var(--spacing-sm);}.teaching-kb-row{cursor:pointer;padding:var(--spacing-sm);}.teaching-kb-pre{max-height:40vh;overflow:auto;font-size:0.85rem;background:var(--bg-tertiary);padding:var(--spacing-sm);border-radius:var(--border-radius-sm);}.teaching-kb-admin-bar{flex-direction:column;gap:var(--spacing-sm);margin-top:var(--spacing-sm);}.teaching-modal .modal-content{max-width:520px;}.teaching-load-overlay{position:fixed;inset:0;z-index:9100;display:none;align-items:center;justify-content:center;background:rgba(0,0,0,0.55);padding:var(--spacing-md);}.teaching-load-overlay.is-open{display:flex;}.teaching-load-card{width:min(92vw,460px);padding:var(--spacing-lg);background:var(--card-bg);border-radius:var(--border-radius-lg);border:var(--border-width) var(--border-style) var(--border-color);text-align:center;}.teaching-load-card--error{border-color:var(--danger-color);}.teaching-load-msg{color:var(--text-secondary);margin:var(--spacing-sm) 0 var(--spacing-md);word-break:break-word;}.teaching-load-actions{display:flex;gap:var(--spacing-sm);justify-content:center;}.teaching-classroom-root{flex-direction:column;height:100%;}.teaching-classroom-root .chat-container{flex:1;display:flex;flex-direction:column;padding:var(--spacing-md);box-sizing:border-box;}.teaching-topbar{display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-md);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--border-radius-md);margin-bottom:var(--spacing-sm);background:var(--bg-tertiary);}.teaching-phase-badge{padding:4px 12px;border-radius:var(--border-radius-round);background:var(--secondary-color);color:var(--text-inverted);font-weight:600;text-transform:capitalize;}.teaching-phase-badge[data-phase="introduce"]{background:var(--info-color);}.teaching-phase-badge[data-phase="practice"]{background:var(--primary-color);}.teaching-phase-badge[data-phase="review_and_qa"]{background:#9575CD;}.teaching--review .teaching-topbar::before{content:'REVIEW';display:inline-block;padding:4px 10px;border-radius:var(--border-radius-round);background:#9575CD;color:#FFFFFF;font-weight:700;font-size:0.75rem;letter-spacing:1px;margin-right:var(--spacing-xs);}.teaching--review .chat-container{background:linear-gradient(180deg,rgba(149,117,205,0.08),var(--card-bg) 30%);}.teaching--review .teaching-card{border-color:#9575CD;}.teaching-topbar-left{display:flex;align-items:center;gap:var(--spacing-xs);flex-shrink:0;}.teaching-topbar-center{display:flex;align-items:center;gap:var(--spacing-sm);flex:1 1 auto;min-width:80px;max-width:280px;margin:0 var(--spacing-sm);}.teaching-topbar-right{display:flex;align-items:center;flex-shrink:0;gap:var(--spacing-sm);}.teaching-connection-status{font-size:0.75rem;font-weight:700;color:var(--warning-color,#e6a817);cursor:default;white-space:nowrap;}.teaching-connection-status.is-hidden{display:none;}.teaching--connection-lost .teaching-connection-status{color:var(--danger-color,#e74c3c);cursor:pointer;text-decoration:underline;}.teaching--reconnecting .teaching-toolbar .btn-ptt,.teaching--reconnecting .teaching-toolbar [data-teaching-next],.teaching--reconnecting .teaching-toolbar [data-teaching-previous]{opacity:0.55;pointer-events:none;}.teaching-timer{font-variant-numeric:tabular-nums;font-weight:700;color:var(--text-secondary);white-space:nowrap;}.teaching-topbar-badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:var(--border-radius-round);font-size:0.72rem;font-weight:700;letter-spacing:0.3px;text-transform:capitalize;background:var(--bg-secondary);color:var(--text-secondary);border:1px solid var(--border-color);white-space:nowrap;}.teaching-topbar-badge::before{content:'';display:inline-block;width:7px;height:7px;border-radius:50%;background:currentColor;}.teaching-type-badge[data-type="vocabulary"]::before{background:var(--vocabulary-color);}.teaching-type-badge[data-type="vocabulary"]{color:var(--vocabulary-color);border-color:rgba(156,39,176,0.35);background:rgba(156,39,176,0.10);}.teaching-type-badge[data-type="grammar"]::before{background:var(--grammar-color);}.teaching-type-badge[data-type="grammar"]{color:var(--grammar-color);border-color:rgba(0,150,136,0.35);background:rgba(0,150,136,0.10);}.teaching-type-badge[data-type="slang"]::before{background:var(--accent-color);}.teaching-type-badge[data-type="slang"]{color:#E65100;border-color:rgba(230,81,0,0.30);background:rgba(230,81,0,0.08);}.teaching-category-badge{color:var(--info-color);border-color:rgba(100,181,246,0.35);background:rgba(100,181,246,0.10);}.teaching-category-badge::before{background:var(--info-color);}.teaching-practice-badge{color:var(--primary-color);border-color:rgba(255,138,101,0.35);background:rgba(255,138,101,0.10);}.teaching-practice-badge::before{background:var(--primary-color);}.teaching-progress-track{flex:1 1 auto;height:8px;border-radius:var(--border-radius-round);background:var(--bg-secondary);overflow:hidden;border:1px solid var(--border-color);}.teaching-progress-fill{height:100%;width:0%;border-radius:var(--border-radius-round);background:var(--info-color);transition:width 0.5s ease,background 0.5s ease;}.teaching-progress-text{font-size:0.75rem;font-weight:700;color:var(--text-secondary);font-variant-numeric:tabular-nums;min-width:32px;text-align:right;}.teaching-main{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:0;overflow:hidden;padding:var(--spacing-md) var(--spacing-sm) calc(var(--spacing-md) + 10px);box-sizing:border-box;}.teaching-summary-layer{display:contents;}.teaching-toolbar{display:flex;flex-wrap:nowrap;gap:6px;padding:8px;border-radius:var(--border-radius-md);align-items:center;}.teaching-toolbar .cartoon-btn{flex:1 1 0;min-width:0;padding:8px 10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}.teaching-toolbar .cartoon-btn-ptt{flex:0 0 auto;width:44px;height:44px;min-width:44px;}.teaching--time-warning .teaching-timer{color:var(--danger-color);}.teaching--review-overtime .teaching-topbar{outline:3px solid var(--danger-color);}.teaching-card{width:min( 96vw,var(--teaching-card-max-width,820px),calc(min(var(--teaching-card-max-height,78vh),100%) * var(--teaching-card-w-over-h,1)) );max-width:100%;aspect-ratio:var(--teaching-card-aspect,1 / 1);max-height:min(var(--teaching-card-max-height,78vh),100%);flex:0 1 auto;display:flex;flex-direction:column;overflow:hidden;margin:0 auto;padding:0;border-radius:var(--border-radius-lg);background:var(--card-bg);border:var(--border-width) var(--border-style) var(--border-color);box-shadow:var(--card-shadow);transition:var(--transition);position:relative;box-sizing:border-box;}.teaching-card-scroll{flex:1 1 auto;min-height:0;overflow-x:hidden;overflow-y:auto;padding:var(--spacing-lg);-webkit-overflow-scrolling:touch;scrollbar-gutter:stable;}.teaching-card-scroll::-webkit-scrollbar{width:8px;}.teaching-card-scroll::-webkit-scrollbar-thumb{border-radius:4px;background:rgba(0,0,0,0.22);}.teaching-card-scroll::-webkit-scrollbar-track{background:transparent;}[data-theme="dark"] .teaching-card-scroll::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.28);}.teaching-card-meta{flex-shrink:0;padding:0 var(--spacing-lg) var(--spacing-md);}.teaching-card--vocabulary{border-color:var(--vocabulary-color);background:linear-gradient(180deg,var(--vocabulary-bg),var(--card-bg) 60%);}.teaching-card--vocabulary .teaching-card-title{color:var(--vocabulary-color);}.teaching-card--grammar{border-color:var(--grammar-color);background:linear-gradient(180deg,var(--grammar-bg),var(--card-bg) 60%);}.teaching-card--grammar .teaching-card-title{color:var(--grammar-color);}.teaching-card--slang{border-color:var(--accent-color);background:linear-gradient(180deg,rgba(255,213,79,0.12),var(--card-bg) 60%);}.teaching-card--slang .teaching-card-title{color:var(--primary-hover);}.teaching-card--practice{border-color:var(--info-color);background:linear-gradient(180deg,rgba(100,181,246,0.10),var(--card-bg) 60%);}.teaching-card--practice .teaching-card-title{color:var(--info-color);}.teaching-card--practice::before{content:'';position:absolute;left:0;top:0;bottom:0;width:6px;border-top-left-radius:var(--border-radius-lg);border-bottom-left-radius:var(--border-radius-lg);background:var(--info-color);}.teaching-card--practice-fill_blank::before{background:#4DB6AC;}.teaching-card--practice-multiple_choice::before{background:#7986CB;}.teaching-card--practice-open_qa::before{background:#FFB74D;}.teaching-card--practice-make_sentence::before{background:#BA68C8;}.teaching-card--practice-translation::before{background:#4FC3F7;}.teaching-card--practice-scenario::before{background:#E57373;}.teaching-practice-type{display:inline-block;padding:2px 8px;margin-left:var(--spacing-xs);border-radius:6px;font-size:0.7rem;text-transform:uppercase;letter-spacing:0.5px;background:var(--bg-tertiary);color:var(--text-secondary);}.teaching-card--practice-fill_blank .teaching-practice-type{background:rgba(77,182,172,0.15);color:#00695C;}.teaching-card--practice-multiple_choice .teaching-practice-type{background:rgba(121,134,203,0.15);color:#3949AB;}.teaching-card--practice-open_qa .teaching-practice-type{background:rgba(255,183,77,0.18);color:#E65100;}.teaching-card--practice-make_sentence .teaching-practice-type{background:rgba(186,104,200,0.15);color:#6A1B9A;}.teaching-card--practice-translation .teaching-practice-type{background:rgba(79,195,247,0.18);color:#0277BD;}.teaching-card--practice-scenario .teaching-practice-type{background:rgba(229,115,115,0.18);color:#B71C1C;}.tc-practice{margin-bottom:var(--spacing-sm);}.tc-stem{font-size:1.05rem;line-height:1.5;margin:0 0 var(--spacing-xs);color:var(--text-primary);}.tc-hint{font-size:0.85rem;color:var(--text-muted);margin:4px 0 0;}.tc-blank{display:inline-block;min-width:60px;padding:0 6px;border-bottom:2px solid var(--text-secondary);color:transparent;user-select:none;margin:0 2px;}.tc-options{list-style:none;padding:0;margin:var(--spacing-xs) 0 0;display:grid;gap:6px;}.tc-option{padding:8px 12px;border-radius:var(--border-radius-sm);background:var(--bg-tertiary);border:2px solid transparent;transition:var(--transition);}.tc-option b{margin-right:6px;color:var(--info-color);}.tc-blocks{display:flex;flex-wrap:wrap;gap:6px;margin-top:var(--spacing-xs);}.tc-block{padding:4px 10px;border-radius:var(--border-radius-sm);background:var(--accent-color);color:var(--text-primary);font-weight:600;box-shadow:0 2px 0 rgba(0,0,0,0.08);cursor:grab;}.tc-dir{display:inline-block;padding:2px 6px;margin-right:6px;border-radius:var(--border-radius-sm);background:var(--bg-tertiary);font-size:0.75rem;color:var(--text-secondary);}.tc-desc{font-size:0.9rem;color:var(--text-secondary);margin:4px 0 0;}.teaching-practice-hint{margin-top:var(--spacing-sm);color:var(--text-secondary);font-size:0.85rem;}.teaching-card.is-active{box-shadow:0 0 0 4px var(--secondary-color),var(--card-shadow);}.teaching-card.has-error{box-shadow:0 0 0 4px var(--danger-color),var(--card-shadow);}.teaching-card--review .teaching-card-head::before{content:'REVIEW';display:inline-block;margin-right:8px;padding:2px 8px;border-radius:8px;background:#9575CD;color:#fff;font-size:0.75rem;vertical-align:middle;}.teaching-card-badge-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:var(--spacing-sm);}.teaching-badge{display:inline-block;font-size:0.75rem;padding:4px 10px;border-radius:999px;background:var(--accent-color);margin-bottom:0;font-weight:800;letter-spacing:0.3px;box-shadow:0 2px 0 rgba(0,0,0,0.06);}.teaching-difficulty-badge{display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;font-size:0.72rem;font-weight:800;letter-spacing:0.4px;text-transform:uppercase;border:1px solid transparent;box-shadow:0 2px 8px rgba(0,0,0,0.08);}.teaching-difficulty-badge--beginner{background:linear-gradient(135deg,rgba(76,175,80,0.28),rgba(129,199,132,0.14));color:#2E7D32;border-color:rgba(76,175,80,0.45);}.teaching-difficulty-badge--intermediate{background:linear-gradient(135deg,rgba(255,152,0,0.3),rgba(255,193,7,0.14));color:#E65100;border-color:rgba(255,152,0,0.45);}.teaching-difficulty-badge--advanced{background:linear-gradient(135deg,rgba(244,67,54,0.28),rgba(239,154,154,0.14));color:#C62828;border-color:rgba(244,67,54,0.42);}.teaching-badge--practice{background:var(--info-color);color:var(--text-inverted);}.teaching-badge--vocabulary{background:var(--vocabulary-color);color:var(--text-inverted);}.teaching-badge--grammar{background:var(--grammar-color);color:var(--text-inverted);}.teaching-badge--slang{background:var(--accent-color);color:var(--text-inverted);}.teaching-card-title{margin:0 0 var(--spacing-xs);font-family:var(--font-heading);color:var(--text-primary);}.teaching-card-title-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-start;gap:var(--spacing-sm);margin-bottom:var(--spacing-xs);}.teaching-card-title-row .teaching-card-title{margin-bottom:0;}.teaching-title-play{flex-shrink:0;padding:8px 12px;font-size:0.86rem;line-height:1;}.teaching-card--vocabulary .teaching-card-title{font-size:clamp(2.4rem,6.5vw,3.8rem);font-weight:800;line-height:1.1;letter-spacing:0.5px;overflow-wrap:anywhere;word-break:break-word;}.teaching-card--grammar .teaching-card-title{font-size:clamp(1.8rem,5vw,2.6rem);font-weight:700;line-height:1.15;letter-spacing:0.5px;overflow-wrap:anywhere;word-break:break-word;}.teaching-card--slang .teaching-card-title{font-size:clamp(2.0rem,5.5vw,3.2rem);font-weight:800;line-height:1.1;letter-spacing:0.5px;overflow-wrap:anywhere;word-break:break-word;}.teaching-card-layout{display:grid;grid-template-columns:minmax(0,1fr) clamp(112px,30vw,176px);grid-template-areas:"intro aside" "body body";column-gap:var(--spacing-md);row-gap:var(--spacing-sm);align-items:start;margin-top:2px;}.teaching-card-intro{grid-area:intro;min-width:0;width:100%;}.teaching-card-aside{grid-area:aside;min-width:0;justify-self:end;width:100%;max-width:176px;}.teaching-card-layout > .teaching-card-body{grid-area:body;min-width:0;margin-top:0;padding-top:0;}.teaching-card-layout > .teaching-card-body > .teaching-card-section:first-child,.teaching-card-layout > .teaching-card-body > .teaching-trans:first-child{margin-top:0;}.teaching-card-layout .teaching-card-body{display:flex;flex-direction:column;align-items:stretch;width:100%;}.teaching-card-layout .teaching-card-section{display:flex;flex-direction:column;align-items:stretch;width:100%;max-width:100%;margin-left:0;margin-right:0;padding-left:0;padding-right:0;box-sizing:border-box;}.teaching-card-layout .teaching-section-label{align-self:flex-start;margin-left:0;}.teaching-card-layout .teaching-card-section--definition .teaching-def p,.teaching-card-layout .teaching-card-section--definition > p,.teaching-card-layout .teaching-card-section--definition .teaching-sense-row{width:100%;max-width:100%;box-sizing:border-box;margin-left:0;margin-right:0;}.teaching-card-layout .teaching-examples{width:100%;max-width:100%;padding-left:0;margin-left:0;list-style:none;}.teaching-card-layout .teaching-card-section--examples .teaching-examples li{width:100%;max-width:100%;box-sizing:border-box;list-style:none;margin-left:0;}.teaching-card-layout .teaching-card-section--examples .teaching-examples li::before{content:'•';margin-right:8px;color:var(--info-color,#64B5F6);font-weight:800;}.teaching-card-layout .teaching-chip-list{width:100%;max-width:100%;margin-left:0;justify-content:flex-start;}.teaching-card-layout .teaching-trans{margin-left:0;padding-left:0;}.teaching-card-head{margin-bottom:2px;}.teaching-card-sub.teaching-word-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:var(--spacing-xs);}.teaching-meta-chip,.teaching-info-chip{display:inline-flex;align-items:center;gap:4px;padding:5px 12px;border-radius:999px;font-size:0.8rem;font-weight:700;line-height:1.2;border:1px solid transparent;box-shadow:0 2px 6px rgba(0,0,0,0.06);backdrop-filter:blur(4px);}.teaching-meta-chip{background:linear-gradient(135deg,rgba(255,255,255,0.14),rgba(255,255,255,0.04));border-color:rgba(255,255,255,0.12);color:var(--text-primary);}.teaching-meta-chip--phonetic{font-family:var(--font-mono,ui-monospace,monospace);font-weight:600;color:var(--text-secondary);background:linear-gradient(135deg,rgba(144,202,249,0.18),rgba(100,181,246,0.08));border-color:rgba(100,181,246,0.35);}.teaching-meta-chip--pos{text-transform:lowercase;font-weight:800;color:var(--primary-color,#6366f1);background:linear-gradient(135deg,rgba(99,102,241,0.22),rgba(129,140,248,0.1));border-color:rgba(99,102,241,0.38);}.teaching-meta-chip--category,.teaching-meta-chip--region,.teaching-meta-chip--formality{color:var(--text-secondary);background:linear-gradient(135deg,rgba(186,104,200,0.16),rgba(206,147,216,0.08));border-color:rgba(186,104,200,0.32);}.teaching-info-chip{background:linear-gradient(135deg,rgba(255,255,255,0.12),rgba(255,255,255,0.04));border-color:rgba(255,255,255,0.1);color:var(--text-primary);}.teaching-info-chip--synonym{background:linear-gradient(135deg,rgba(77,182,172,0.2),rgba(128,203,196,0.1));border-color:rgba(77,182,172,0.38);color:#00695C;}.teaching-info-chip--antonym{background:linear-gradient(135deg,rgba(239,154,154,0.22),rgba(229,115,115,0.1));border-color:rgba(229,115,115,0.38);color:#B71C1C;}.teaching-info-chip--tag{background:linear-gradient(135deg,rgba(255,213,79,0.22),rgba(255,241,118,0.1));border-color:rgba(255,193,7,0.35);color:var(--text-primary);}.teaching-senses{display:flex;flex-direction:column;gap:10px;}.teaching-sense-row{padding:10px 12px;border-radius:var(--border-radius-md,12px);background:var(--bg-tertiary);border:1px solid var(--border-color);}.teaching-sense-row .teaching-meta-chip--pos{margin-bottom:6px;}.teaching-sense-def{margin:0;color:var(--text-primary);font-weight:700;line-height:1.55;}.teaching-sense-example{margin:6px 0 0;color:var(--text-secondary);font-size:0.9rem;font-style:italic;line-height:1.45;}.teaching-card-section{margin-top:var(--spacing-md);padding-top:var(--spacing-sm);}.teaching-card-section + .teaching-card-section{border-top:1px solid rgba(255,255,255,0.06);}.teaching-section-label{display:inline-flex;align-items:center;gap:7px;margin:0 0 10px;padding:5px 12px 5px 10px;border-radius:999px;font-size:0.72rem;font-weight:800;letter-spacing:0.5px;text-transform:uppercase;border:1px solid transparent;box-shadow:0 2px 8px rgba(0,0,0,0.07);}.teaching-section-label i{font-size:0.78rem;opacity:0.9;}.teaching-section-label--definition{background:linear-gradient(135deg,rgba(156,136,255,0.28),rgba(179,157,255,0.12));color:var(--vocabulary-color,#9C88FF);border-color:rgba(156,136,255,0.4);}.teaching-section-label--examples{background:linear-gradient(135deg,rgba(100,181,246,0.26),rgba(144,202,249,0.12));color:#1565C0;border-color:rgba(100,181,246,0.42);}.teaching-section-label--synonym{background:linear-gradient(135deg,rgba(77,182,172,0.26),rgba(128,203,196,0.12));color:#00695C;border-color:rgba(77,182,172,0.42);}.teaching-section-label--antonym{background:linear-gradient(135deg,rgba(239,154,154,0.28),rgba(229,115,115,0.12));color:#B71C1C;border-color:rgba(229,115,115,0.4);}.teaching-section-label--tag{background:linear-gradient(135deg,rgba(255,213,79,0.28),rgba(255,241,118,0.12));color:#F57F17;border-color:rgba(255,193,7,0.4);}.teaching-section-label--error{background:linear-gradient(135deg,rgba(255,138,128,0.26),rgba(255,205,210,0.12));color:#C62828;border-color:rgba(244,67,54,0.38);}.teaching-section-label--default{background:linear-gradient(135deg,rgba(255,255,255,0.12),rgba(255,255,255,0.04));color:var(--text-secondary);border-color:var(--border-color);}.teaching-card-section--definition 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small{display:block;margin-top:2px;color:var(--text-muted);font-size:0.82rem;}.teaching-card-actions{display:flex;flex-wrap:wrap;gap:var(--spacing-xs);margin-top:var(--spacing-md);}.teaching-card-image-wrap{text-align:center;margin-bottom:var(--spacing-sm);}.teaching-card-image-wrap--aside,.teaching-card-image-wrap--hero{position:relative;display:grid;place-items:center;width:min(172px,30%);aspect-ratio:var(--teaching-card-image-aspect,1 / 1);overflow:hidden;border-radius:var(--border-radius-md);background:linear-gradient(135deg,rgba(255,255,255,0.10),rgba(255,255,255,0.03));border:1px solid rgba(0,0,0,0.12);box-shadow:none;}.teaching-card-image-wrap--aside.is-loaded,.teaching-card-image-wrap--hero.is-loaded{cursor:zoom-in;}.teaching-card-image-wrap--aside.is-loaded .teaching-card-image,.teaching-card-image-wrap--hero.is-loaded .teaching-card-image{border:1px solid rgba(0,0,0,0.08);box-sizing:border-box;border-radius:calc(var(--border-radius-md) - 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summary{cursor:pointer;color:var(--text-secondary);}.teaching-feedback-body{margin-top:var(--spacing-xs);padding:var(--spacing-sm);border-radius:var(--border-radius-sm);background:var(--bg-tertiary);}.teaching-feedback-text{margin:6px 0 0;font-size:0.88rem;color:var(--text-primary);white-space:pre-wrap;}.teaching-skeleton,.teaching-card.is-skeleton,.teaching-skeleton-row{position:relative;overflow:hidden;background:var(--bg-tertiary);border-radius:var(--border-radius-md);}.teaching-skeleton::after,.teaching-card.is-skeleton::after,.teaching-skeleton-row::after{content:'';position:absolute;inset:0;background:linear-gradient( 90deg,transparent,rgba(255,255,255,0.45),transparent );transform:translateX(-100%);animation:teachingSkeletonShimmer 1.4s infinite;}[data-theme="dark"] .teaching-skeleton::after,[data-theme="dark"] .teaching-card.is-skeleton::after,[data-theme="dark"] .teaching-skeleton-row::after{background:linear-gradient( 90deg,transparent,rgba(255,255,255,0.08),transparent );}@keyframes teachingSkeletonShimmer{100%{transform:translateX(100%);}}.teaching-skeleton-row{height:56px;margin-bottom:var(--spacing-xs);}.teaching-skeleton--line{height:14px;border-radius:8px;margin-bottom:8px;}.teaching-skeleton--line.is-short{width:40%;}.teaching-skeleton--line.is-mid{width:65%;}.teaching-skeleton--line.is-long{width:90%;}.teaching-skeleton--block{height:120px;border-radius:var(--border-radius-md);}.teaching-rating-panel{padding:var(--spacing-md);border-radius:var(--border-radius-md);border:var(--border-width) var(--border-style) var(--border-color);background:var(--bg-secondary);}.teaching-rating-stars{display:flex;gap:4px;margin-bottom:var(--spacing-sm);}.teaching-rating-star{background:none;border:none;font-size:1.8rem;cursor:pointer;color:var(--border-color);padding:0 2px;}.teaching-rating-star.is-on{color:var(--accent-color);}.teaching-rating-star:disabled{opacity:0.6;cursor:default;}.teaching-rating-feedback{width:100%;box-sizing:border-box;}.teaching-rating-meta{display:flex;justify-content:space-between;font-size:0.8rem;color:var(--text-muted);margin:4px 0 var(--spacing-sm);}.teaching-rating-submit{width:100%;}.teaching-summary-title{text-align:center;}.teaching-summary-score-ring{--p:0;width:140px;height:140px;margin:var(--spacing-md) auto;border-radius:50%;background:conic-gradient(var(--secondary-color) calc(var(--p) * 1%),var(--border-color) 0);display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;}.teaching-summary-score-ring::after{content:'';position:absolute;inset:12px;border-radius:50%;background:var(--card-bg);}.teaching-summary-score-num{position:relative;z-index:1;font-size:2rem;font-weight:800;}.teaching-summary-score-label{position:relative;z-index:1;font-size:0.85rem;color:var(--text-muted);}.teaching-summary-stats{padding:var(--spacing-md);margin-bottom:var(--spacing-md);}.teaching-completion-backdrop{position:fixed;inset:0;z-index:1100;display:flex;align-items:center;justify-content:center;padding:var(--spacing-md);background:rgba(38,50,56,0.55);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);animation:teachingCompletionFadeIn 0.35s ease;overflow-y:auto;}.teaching-completion-modal{position:relative;width:min(96vw,560px);max-height:90vh;padding:var(--spacing-xl) var(--spacing-lg) var(--spacing-lg);border-radius:32px;background:var(--card-bg);box-shadow:0 20px 0 rgba(0,0,0,0.1),0 30px 60px rgba(0,0,0,0.2);border:4px solid var(--primary-color,#7e57c2);overflow:hidden;display:flex;flex-direction:column;animation:teachingCompletionPop 0.6s cubic-bezier(0.175,0.885,0.32,1.275);}.teaching-completion-modal-accent{position:absolute;top:0;left:0;right:0;height:8px;background:linear-gradient(90deg,#FF8A65,#FFD54F,#4DD0E1,#81C784,#BA68C8);z-index:10;}[data-theme="dark"] .teaching-completion-backdrop{background:rgba(0,0,0,0.78);}[data-theme="dark"] .teaching-completion-modal.cartoon-box,[data-theme="dark"] .teaching-completion-modal{background:var(--bg-secondary);color:var(--text-primary);border:4px solid var(--primary-color,#7e57c2);box-shadow:0 20px 0 rgba(0,0,0,0.4),0 30px 60px rgba(0,0,0,0.5);}[data-theme="dark"] .teaching-completion-title{color:#e1bee7;text-shadow:none;}[data-theme="dark"] .teaching-completion-subtitle,[data-theme="dark"] .teaching-completion-lesson-progress{color:var(--text-secondary);}[data-theme="dark"] .teaching-completion-vocab-total{background:linear-gradient(135deg,#30264d,#251c3f);border:3px solid #b39ddb;box-shadow:0 8px 0 #b39ddb,0 12px 24px rgba(0,0,0,0.5);}[data-theme="dark"] .teaching-completion-vocab-total-num{color:#e1bee7;}[data-theme="dark"] .teaching-completion-vocab-total-label{color:#d1c4e9;}[data-theme="dark"] .teaching-completion-vocab-total-icon{background:rgba(179,157,219,0.25);color:#e1bee7;box-shadow:0 3px 0 rgba(0,0,0,0.2);}[data-theme="dark"] .teaching-completion-diff-heading{color:var(--text-secondary);}[data-theme="dark"] .teaching-completion-diff-icon{background:rgba(0,0,0,0.22);}[data-theme="dark"] .teaching-completion-diff--beginner .teaching-completion-diff-icon{color:#a5d6a7;background:rgba(102,187,106,0.28);}[data-theme="dark"] .teaching-completion-diff--intermediate .teaching-completion-diff-icon{color:#ffcc80;background:rgba(255,183,77,0.28);}[data-theme="dark"] .teaching-completion-diff--advanced .teaching-completion-diff-icon{color:#ef9a9a;background:rgba(239,83,80,0.28);}[data-theme="dark"] .teaching-completion-lesson-progress > i{color:#81c784;}[data-theme="dark"] .teaching-completion-diff{border-width:3px;box-shadow:none;}[data-theme="dark"] .teaching-completion-diff--beginner{background:linear-gradient(135deg,#163320,#0f2416);border-color:#81c784;color:#a5d6a7;box-shadow:0 6px 0 #81c784,0 8px 12px rgba(0,0,0,0.4);}[data-theme="dark"] .teaching-completion-diff--intermediate{background:linear-gradient(135deg,#382414,#27170a);border-color:#ffb74d;color:#ffcc80;box-shadow:0 6px 0 #ffb74d,0 8px 12px rgba(0,0,0,0.4);}[data-theme="dark"] .teaching-completion-diff--advanced{background:linear-gradient(135deg,#3a1518,#270d10);border-color:#ef5350;color:#ef9a9a;box-shadow:0 6px 0 #ef5350,0 8px 12px rgba(0,0,0,0.4);}[data-theme="dark"] .teaching-completion-diff-label{color:inherit;opacity:1;}[data-theme="dark"] .teaching-completion-footer{border-top-color:var(--border-color);}[data-theme="dark"] .teaching-completion-rec{background:var(--bg-tertiary);color:var(--text-secondary);border:1px solid var(--border-color);}[data-theme="dark"] .teaching-completion-body .teaching-achievement-stream:not(:empty){background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--border-radius-md);padding:var(--spacing-xs);}[data-theme="dark"] .teaching-completion-modal--no-celebrate .teaching-completion-title{color:var(--text-primary);}[data-theme="dark"] .teaching-completion-modal--no-celebrate .teaching-completion-trophy{background:linear-gradient(135deg,#607d8b,#455a64);color:#eceff1;box-shadow:0 8px 18px rgba(0,0,0,0.45);}.teaching-completion-confetti{position:absolute;inset:0;pointer-events:none;overflow:hidden;z-index:5;}.teaching-confetti-piece{position:absolute;top:-20px;left:var(--x);pointer-events:none;opacity:0;transform:translate3d(0,0,0);animation:teachingConfettiFall var(--fall-dur) var(--delay) linear forwards;}.teaching-confetti-piece--rect{width:13px;height:7px;background-color:var(--color);border-radius:1px;display:block;transform-origin:center;transform:scale(var(--size));animation:teachingConfettiSwayAndSpin var(--sway-dur) infinite ease-in-out;}.teaching-confetti-piece--circle{width:9px;height:9px;background-color:var(--color);border-radius:50%;display:block;transform-origin:center;transform:scale(var(--size));animation:teachingConfettiSwayAndSpin var(--sway-dur) infinite ease-in-out;}.teaching-confetti-piece--triangle{width:10px;height:10px;background-color:var(--color);clip-path:polygon(50% 0%,0% 100%,100% 100%);-webkit-clip-path:polygon(50% 0%,0% 100%,100% 100%);display:block;transform-origin:center;transform:scale(var(--size));animation:teachingConfettiSwayAndSpin var(--sway-dur) infinite ease-in-out;}.teaching-confetti-piece--ribbon{width:3px;height:22px;background-color:var(--color);border-radius:1px;display:block;transform-origin:center;transform:scale(var(--size));animation:teachingRibbonTwist var(--sway-dur) infinite ease-in-out;}.teaching-confetti-piece--has-content{font-size:calc(1.4rem * var(--size));color:var(--color);line-height:1;display:inline-block;transform-origin:center;text-shadow:0 1px 3px rgba(0,0,0,0.12);animation:teachingConfettiSwayAndSpin var(--sway-dur) infinite ease-in-out;}@keyframes teachingConfettiSwayAndSpin{0%{transform:scale(var(--size)) translateX(calc(-1 * var(--sway-amp))) rotate(0deg) rotateY(0deg);}50%{transform:scale(var(--size)) translateX(var(--sway-amp)) rotate(180deg) rotateY(180deg);}100%{transform:scale(var(--size)) translateX(calc(-1 * var(--sway-amp))) rotate(360deg) rotateY(360deg);}}@keyframes teachingRibbonTwist{0%{transform:scale(var(--size)) translateX(calc(-1 * var(--sway-amp))) rotate(0deg) rotateY(0deg) skewX(0deg);}50%{transform:scale(var(--size)) translateX(var(--sway-amp)) rotate(180deg) rotateY(180deg) skewX(12deg);}100%{transform:scale(var(--size)) translateX(calc(-1 * var(--sway-amp))) rotate(360deg) rotateY(360deg) skewX(0deg);}}@keyframes teachingConfettiFall{0%{transform:translate3d(0,0,0);opacity:0;}8%{opacity:1;}90%{opacity:1;}100%{transform:translate3d(var(--drift-x),580px,0);opacity:0;}}.teaching-completion-celebrate{position:relative;z-index:1;text-align:center;padding:var(--spacing-sm) 0 var(--spacing-md);}.teaching-completion-trophy{display:inline-flex;align-items:center;justify-content:center;width:76px;height:76px;margin:0 auto var(--spacing-sm);border-radius:50%;background:linear-gradient(135deg,#FFD54F,#FFB300);color:#FFFFFF;font-size:2.4rem;box-shadow:0 10px 24px rgba(255,179,0,0.45);animation:teachingTrophyBounce 1.8s ease-in-out infinite;}@keyframes teachingTrophyBounce{0%,100%{transform:translateY(0) scale(1,1) rotate(-5deg);}30%{transform:translateY(-12px) scale(0.95,1.1) rotate(5deg);}50%{transform:translateY(-15px) scale(0.9,1.15) rotate(10deg);}70%{transform:translateY(-6px) scale(1.05,0.95) rotate(-2deg);}90%{transform:translateY(0) scale(1.02,0.98) rotate(-5deg);}}.teaching-completion-title{margin:0 0 8px;font-size:2.1rem;color:var(--primary-color);font-weight:900;text-shadow:2px 2px 0 rgba(126,87,194,0.12);}.teaching-completion-subtitle{display:flex;align-items:flex-start;justify-content:center;gap:8px;margin:0;color:var(--text-secondary);font-size:0.95rem;line-height:1.45;text-align:left;max-width:420px;margin-left:auto;margin-right:auto;}.teaching-completion-subtitle > i{flex-shrink:0;margin-top:2px;font-size:1rem;color:var(--primary-color);opacity:0.95;}.teaching-completion-lesson-progress{display:inline-flex;align-items:center;justify-content:center;gap:16px;margin:var(--spacing-md) auto 0;padding:14px 28px;background:linear-gradient(135deg,#e8f5e9,#c8e6c9);border:3px solid #4caf50;box-shadow:0 6px 0 #4caf50,0 10px 20px rgba(76,175,80,0.18);border-radius:24px;position:relative;overflow:hidden;transform:rotate(-1deg);transition:all 0.25s cubic-bezier(0.175,0.885,0.32,1.15);max-width:90%;}.teaching-completion-lesson-progress:hover{transform:rotate(0deg) scale(1.04) translateY(-2px);box-shadow:0 8px 0 #4caf50,0 14px 24px rgba(76,175,80,0.25);}.progress-paw-watermark{position:absolute;right:-12px;bottom:-15px;font-size:4rem;color:rgba(76,175,80,0.08);pointer-events:none;transform:rotate(20deg);z-index:0;}[data-theme="dark"] .progress-paw-watermark{color:rgba(129,199,132,0.06);}.teaching-completion-lesson-progress > i{font-size:2.1rem;color:#2e7d32;z-index:1;filter:drop-shadow(0 2px 0 rgba(255,255,255,0.4));animation:teachingTrophyBounce 2s ease-in-out infinite;}.progress-text-wrap{display:flex;flex-direction:column;align-items:flex-start;text-align:left;z-index:1;}.progress-label{font-size:0.75rem;font-weight:800;letter-spacing:1px;color:#2e7d32;opacity:0.9;text-transform:uppercase;}.progress-value{font-size:1.6rem;font-weight:900;color:#1b5e20;line-height:1.1;text-shadow:1px 1px 0 rgba(255,255,255,0.6);}[data-theme="dark"] .teaching-completion-lesson-progress{background:linear-gradient(135deg,#163320,#0f2416);border-color:#81c784;box-shadow:0 6px 0 #81c784,0 10px 20px rgba(0,0,0,0.4);}[data-theme="dark"] .teaching-completion-lesson-progress > i{color:#81c784;filter:none;}[data-theme="dark"] .progress-label{color:#81c784;}[data-theme="dark"] .progress-value{color:#a5d6a7;text-shadow:none;}.teaching-completion-modal--no-celebrate .teaching-completion-trophy{background:linear-gradient(135deg,#90A4AE,#607D8B);box-shadow:0 8px 18px rgba(96,125,139,0.35);animation:none;}.teaching-completion-modal--no-celebrate .teaching-completion-title{color:var(--text-primary);}.teaching-completion-body{position:relative;z-index:1;padding:12px 18px 12px 18px;scrollbar-width:none;-ms-overflow-style:none;}.teaching-completion-body::-webkit-scrollbar{display:none;}.teaching-completion-vocab-summary{margin-bottom:var(--spacing-md);padding-bottom:12px;}.teaching-completion-vocab-total{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;margin-bottom:var(--spacing-md);padding:var(--spacing-lg) var(--spacing-md);border-radius:28px;background:linear-gradient(135deg,#f3edff,#e8e0ff);border:3px solid #7e57c2;box-shadow:0 8px 0 #7e57c2,0 12px 20px rgba(126,87,194,0.25);position:relative;overflow:hidden;transition:all 0.25s cubic-bezier(0.175,0.885,0.32,1.15);transform:rotate(-1.2deg);}.teaching-completion-vocab-total:hover{transform:rotate(0deg) scale(1.02) translateY(-2px);box-shadow:0 10px 0 #7e57c2,0 15px 24px rgba(126,87,194,0.3);}.vocab-total-watermark{position:absolute;right:-10px;bottom:-15px;font-size:6rem;color:rgba(126,87,194,0.05);pointer-events:none;transform:rotate(15deg);z-index:0;}[data-theme="dark"] .vocab-total-watermark{color:rgba(179,157,219,0.04);}.teaching-completion-vocab-total-icon{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:50%;background:rgba(126,87,194,0.18);color:#7e57c2;font-size:1.35rem;margin-bottom:4px;box-shadow:0 3px 0 rgba(126,87,194,0.15);z-index:1;}.teaching-completion-diff-heading{display:flex;align-items:center;justify-content:center;gap:6px;margin:var(--spacing-md) 0 var(--spacing-xs);font-size:0.78rem;font-weight:800;letter-spacing:0.4px;text-transform:uppercase;color:var(--text-muted);}.teaching-completion-diff-heading > i{font-size:0.85rem;color:var(--primary-color);opacity:0.9;}.teaching-completion-vocab-total-num{font-size:3.3rem;font-weight:900;line-height:1;color:#7e57c2;font-variant-numeric:tabular-nums;text-shadow:2px 2px 0 rgba(255,255,255,0.8);z-index:1;}.teaching-completion-vocab-total-label{font-size:0.92rem;font-weight:800;color:var(--text-secondary);letter-spacing:0.3px;z-index:1;}.teaching-completion-diff-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:8px;}.teaching-completion-diff{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:var(--spacing-md) 6px;border-radius:20px;border:3px solid transparent;transition:all 0.25s cubic-bezier(0.175,0.885,0.32,1.15);}.teaching-completion-diff:hover{transform:scale(1.06) rotate(0deg) translateY(-3px) !important;}.teaching-completion-diff-icon{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;font-size:0.85rem;background:rgba(255,255,255,0.55);margin-bottom:2px;}.teaching-completion-diff--beginner .teaching-completion-diff-icon{color:#2e7d32;background:rgba(102,187,106,0.22);}.teaching-completion-diff--intermediate .teaching-completion-diff-icon{color:#e65100;background:rgba(255,167,38,0.22);}.teaching-completion-diff--advanced .teaching-completion-diff-icon{color:#b71c1c;background:rgba(239,83,80,0.22);}.teaching-completion-diff-num{font-size:1.5rem;font-weight:800;font-variant-numeric:tabular-nums;}.teaching-completion-diff-label{font-size:0.72rem;font-weight:800;text-transform:uppercase;letter-spacing:0.35px;text-align:center;}.teaching-completion-diff--beginner{background:linear-gradient(135deg,#e8f5e9,#c8e6c9);border-color:#4caf50;color:#1b5e20;box-shadow:0 6px 0 #4caf50,0 8px 12px rgba(76,175,80,0.15);transform:rotate(1.2deg);}.teaching-completion-diff--intermediate{background:linear-gradient(135deg,#fff3e0,#ffe0b2);border-color:#ff9800;color:#e65100;box-shadow:0 6px 0 #ff9800,0 8px 12px rgba(255,152,0,0.15);transform:rotate(-1.2deg);}.teaching-completion-diff--advanced{background:linear-gradient(135deg,#ffebee,#ffcdd2);border-color:#f44336;color:#b71c1c;box-shadow:0 6px 0 #f44336,0 8px 12px rgba(244,67,54,0.15);transform:rotate(1.8deg);}.teaching-completion-diff--beginner:hover{box-shadow:0 8px 0 #4caf50,0 12px 18px rgba(76,175,80,0.25);}.teaching-completion-diff--intermediate:hover{box-shadow:0 8px 0 #ff9800,0 12px 18px rgba(255,152,0,0.25);}.teaching-completion-diff--advanced:hover{box-shadow:0 8px 0 #f44336,0 12px 18px rgba(244,67,54,0.25);}.teaching-completion-stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-sm);margin-bottom:var(--spacing-md);}.teaching-completion-stat{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:var(--spacing-sm) var(--spacing-xs);border-radius:var(--border-radius-md);border:2px solid var(--border-color);background:var(--bg-secondary);transition:transform 0.2s ease;}.teaching-completion-stat:hover{transform:translateY(-2px);}.teaching-completion-stat-icon{font-size:1.2rem;color:var(--text-muted);}.teaching-completion-stat-num{font-size:1.4rem;font-weight:800;color:var(--text-primary);font-variant-numeric:tabular-nums;}.teaching-completion-stat-label{font-size:0.78rem;color:var(--text-muted);text-align:center;}.teaching-completion-stat.is-total{border-color:var(--info-color);background:rgba(100,181,246,0.10);}.teaching-completion-stat.is-total .teaching-completion-stat-icon{color:var(--info-color);}.teaching-completion-stat.is-proficient{border-color:var(--success-color);background:rgba(102,187,106,0.12);}.teaching-completion-stat.is-proficient .teaching-completion-stat-icon{color:var(--success-color);}.teaching-completion-stat.is-average{border-color:var(--accent-color);background:rgba(255,213,79,0.14);}.teaching-completion-stat.is-average .teaching-completion-stat-icon{color:#E65100;}.teaching-completion-stat.is-needs{border-color:var(--secondary-color);background:rgba(255,138,101,0.10);}.teaching-completion-stat.is-needs .teaching-completion-stat-icon{color:var(--secondary-color);}.teaching-completion-rec{margin:0 0 var(--spacing-md);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--border-radius-md);background:var(--bg-tertiary);color:var(--text-secondary);font-size:0.9rem;line-height:1.55;text-align:center;}.teaching-completion-body .teaching-achievement-stream{max-height:200px;overflow-y:auto;}.teaching-completion-body .teaching-achievement-stream:empty{display:none;margin:0;padding:0;border:none;min-height:0;}.teaching-completion-footer{position:relative;z-index:1;margin-top:var(--spacing-md);padding-top:var(--spacing-md);border-top:1px dashed var(--border-color);display:flex;justify-content:center;}.teaching-completion-ok{min-width:200px;padding:12px 28px;font-size:1rem;font-weight:700;letter-spacing:0.5px;border-radius:var(--border-radius-round);box-shadow:0 8px 20px rgba(255,138,101,0.35);transition:transform 0.2s ease,box-shadow 0.2s ease;}.teaching-completion-ok:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,138,101,0.45);}@keyframes teachingCompletionFadeIn{from{opacity:0;}to{opacity:1;}}@keyframes teachingCompletionPop{0%{transform:scale(0.85) translateY(20px);opacity:0;}60%{transform:scale(1.04) translateY(0);opacity:1;}100%{transform:scale(1) translateY(0);}}.teaching-chips{display:flex;flex-wrap:wrap;gap:6px;}.teaching-chip{padding:4px 10px;border-radius:var(--border-radius-round);background:var(--bg-tertiary);font-size:0.8rem;}.teaching-achievement-stream{margin-top:var(--spacing-md);}.teaching-achievement-toast{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm);margin-bottom:6px;border-radius:var(--border-radius-sm);background:var(--accent-color);animation:teachingAchIn 0.35s ease;}.teaching-achievement-toast.tier-gold{background:linear-gradient(135deg,#FFD54F,#FFB74D);color:#4E342E;}.teaching-achievement-toast.tier-silver{background:linear-gradient(135deg,#ECEFF1,#B0BEC5);color:#263238;}.teaching-achievement-toast.tier-bronze{background:linear-gradient(135deg,#D7CCC8,#A1887F);color:#3E2723;}.teaching-ach-icon{font-size:1.4rem;width:32px;text-align:center;}.teaching-ach-text{flex:1;display:flex;flex-direction:column;}.teaching-ach-tier{font-size:0.7rem;text-transform:uppercase;letter-spacing:1px;opacity:0.75;}.teaching-ach-points{font-weight:800;font-size:1.05rem;padding:2px 8px;border-radius:var(--border-radius-round);background:rgba(0,0,0,0.12);}.teaching-achievement-toast.is-out{opacity:0;transition:opacity 0.4s ease;}@keyframes teachingAchIn{from{transform:translateY(8px);opacity:0;}to{transform:translateY(0);opacity:1;}}.teaching-stats-tabs .prompt-tab i{margin-right:6px;opacity:0.85;}.teaching-stats-loading{display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-lg);color:var(--text-secondary);}:root{--teaching-ring-track:rgba(69,90,100,0.18);--teaching-stats-surface:rgba(255,255,255,0.96);--teaching-stats-surface-muted:rgba(241,248,233,0.95);--teaching-stats-border-strong:rgba(69,90,100,0.22);--teaching-stats-shadow:0 6px 18px rgba(69,90,100,0.12);--teaching-diff-beginner-color:#2E7D32;--teaching-diff-intermediate-color:#E65100;--teaching-diff-advanced-color:#C62828;--teaching-diff-beginner-bar:#66BB6A;--teaching-diff-intermediate-bar:#FFA726;--teaching-diff-advanced-bar:#EF5350;}[data-theme="dark"]{--teaching-ring-track:rgba(255,255,255,0.14);--teaching-stats-surface:rgba(55,71,79,0.98);--teaching-stats-surface-muted:rgba(69,90,100,0.55);--teaching-stats-border-strong:rgba(176,190,197,0.35);--teaching-stats-shadow:0 8px 22px rgba(0,0,0,0.28);--teaching-diff-beginner-color:#A5D6A7;--teaching-diff-intermediate-color:#FFCC80;--teaching-diff-advanced-color:#EF9A9A;--teaching-diff-beginner-bar:#81C784;--teaching-diff-intermediate-bar:#FFB74D;--teaching-diff-advanced-bar:#E57373;}.teaching-stats-overview{display:flex;flex-direction:column;gap:var(--spacing-md);}.teaching-stats-lang-tabs{display:flex;flex-wrap:wrap;gap:var(--spacing-xs);}.teaching-stats-lang-tab{padding:6px 14px;border-radius:var(--border-radius-round);border:1px solid var(--teaching-stats-border-strong);background:var(--teaching-stats-surface-muted);color:var(--text-secondary);font-size:0.82rem;cursor:pointer;transition:background 0.2s,color 0.2s,border-color 0.2s;box-shadow:var(--teaching-stats-shadow);}.teaching-stats-lang-tab:hover{border-color:var(--secondary-color);color:var(--text-primary);}.teaching-stats-lang-tab.active{background:linear-gradient(135deg,rgba(255,183,135,0.25),rgba(139,92,246,0.18));border-color:var(--secondary-color);color:var(--text-primary);font-weight:600;}.teaching-stats-summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:var(--spacing-sm);}.teaching-stats-summary-card{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md);border-radius:var(--border-radius-md);border:1px solid var(--teaching-stats-border-strong);background:var(--teaching-stats-surface);box-shadow:var(--teaching-stats-shadow);}.teaching-stats-summary-card--sessions{background:linear-gradient(135deg,rgba(59,130,246,0.28),rgba(139,92,246,0.18)),var(--teaching-stats-surface);}.teaching-stats-summary-card--streak{background:linear-gradient(135deg,rgba(255,140,90,0.32),rgba(255,183,135,0.22)),var(--teaching-stats-surface);}.teaching-stats-summary-card--longest{background:linear-gradient(135deg,rgba(149,117,205,0.3),rgba(59,130,246,0.18)),var(--teaching-stats-surface);}.teaching-stats-summary-text{flex:1;min-width:0;}.teaching-stats-hero{display:grid;grid-template-columns:auto 1fr;gap:var(--spacing-md) var(--spacing-lg);align-items:start;padding:var(--spacing-md) var(--spacing-lg);border-radius:var(--border-radius-lg);border:1px solid var(--teaching-stats-border-strong);background:linear-gradient(135deg,rgba(77,208,225,0.22),rgba(255,183,135,0.18)),var(--teaching-stats-surface);box-shadow:var(--teaching-stats-shadow);transition:background 0.3s ease,border-color 0.3s ease;}.teaching-stats-hero--highest-locked{background:linear-gradient(135deg,rgba(144,164,174,0.16),rgba(176,190,197,0.12)),var(--teaching-stats-surface);border-color:rgba(120,144,156,0.28);}.teaching-stats-hero--highest-sprout{background:linear-gradient(135deg,rgba(129,199,132,0.22),rgba(165,214,167,0.16)),var(--teaching-stats-surface);border-color:rgba(46,125,50,0.32);}.teaching-stats-hero--highest-novice{background:linear-gradient(135deg,rgba(100,181,246,0.22),rgba(144,202,249,0.16)),var(--teaching-stats-surface);border-color:rgba(21,101,192,0.32);}.teaching-stats-hero--highest-bronze{background:linear-gradient(135deg,rgba(141,110,99,0.22),rgba(188,170,164,0.16)),var(--teaching-stats-surface);border-color:rgba(93,64,55,0.32);}.teaching-stats-hero--highest-gold{background:linear-gradient(135deg,rgba(255,202,40,0.2),rgba(255,224,130,0.14)),var(--teaching-stats-surface);border-color:rgba(230,81,0,0.3);}.teaching-stats-hero--highest-jade{background:linear-gradient(135deg,rgba(77,182,172,0.22),rgba(128,203,196,0.16)),var(--teaching-stats-surface);border-color:rgba(0,105,92,0.32);}.teaching-stats-hero--highest-platinum{background:linear-gradient(135deg,rgba(144,164,174,0.22),rgba(176,190,197,0.16)),var(--teaching-stats-surface);border-color:rgba(55,71,79,0.32);}.teaching-stats-hero--highest-diamond{background:linear-gradient(135deg,rgba(77,208,225,0.24),rgba(128,222,234,0.18)),var(--teaching-stats-surface);border-color:rgba(0,131,143,0.32);}.teaching-stats-hero--highest-master{background:linear-gradient(135deg,rgba(186,104,200,0.24),rgba(206,147,216,0.18)),var(--teaching-stats-surface);border-color:rgba(106,27,154,0.32);}.teaching-stats-hero-left{display:flex;align-items:center;justify-content:center;}.teaching-stats-hero-copy{min-width:0;}.teaching-stats-hero-heading{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:var(--spacing-sm) 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0 6px;font-size:1.12rem;color:var(--text-primary);}.teaching-stats-hero-lang{display:inline-flex;align-items:center;gap:6px;margin-bottom:8px;padding:4px 12px;border-radius:var(--border-radius-round);border:1px solid var(--teaching-stats-border-strong);background:var(--teaching-stats-surface-muted);font-size:0.78rem;font-weight:600;color:var(--text-secondary);}.teaching-stats-hero-lang i{color:var(--secondary-color);}.teaching-stats-hero-desc{margin:0;font-size:0.84rem;color:var(--text-secondary);line-height:1.45;}.teaching-stats-hero-desc strong{font-size:1.05rem;color:var(--text-primary);}.teaching-stats-hero-desc-sep{margin:0 6px;opacity:0.5;}@media (max-width:720px){.teaching-stats-hero{grid-template-columns:1fr;}.teaching-stats-hero-heading{flex-direction:column;}.teaching-stats-hero-badges{width:100%;justify-content:flex-start;}}.teaching-stats-type-body 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small{font-size:0.68rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:0.04em;}.teaching-stats-bar-learned{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--secondary-color),#FFB787);}.teaching-stats-type-mastered-line{display:flex;align-items:center;gap:var(--spacing-xs);margin-bottom:var(--spacing-sm);font-size:0.72rem;color:var(--text-secondary);}.teaching-stats-mastered-bar{flex:1;height:4px;margin-top:0;}.teaching-stats-bar-mastered{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#9575CD,var(--primary-color));}.teaching-stats-diff-meta{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:0.68rem;color:var(--text-secondary);margin:2px 0 4px;line-height:1.35;}.teaching-stats-learned-count{display:inline-flex;align-items:center;gap:4px;color:var(--secondary-color);font-weight:600;}.teaching-stats-learned-count 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50%,var(--text-secondary));}.teaching-donut-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;pointer-events:none;padding:4px;}.teaching-donut-label{font-size:0.95rem;font-weight:700;color:var(--text-primary);line-height:1.1;}.teaching-donut-sublabel{font-size:0.62rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:0.04em;margin-top:2px;}.teaching-donut--mini .teaching-donut-label{font-size:0.68rem;}.teaching-donut--summary{--donut-size:52px;}.teaching-donut--summary .teaching-donut-label{font-size:0.82rem;}.teaching-donut--compact .teaching-donut-label{font-size:0.88rem;}.teaching-donut--card{justify-self:end;}.teaching-donut--ach-done .teaching-donut-label{color:#FFD700;font-size:1.1rem;}.teaching-stats-diff-label{display:inline-flex;align-items:center;justify-content:center;gap:4px;font-size:0.72rem;font-weight:600;}.teaching-stats-diff-row .teaching-donut--mini{--donut-size:40px;}.teaching-stats-diff-row .teaching-donut--mini .teaching-donut-label{font-size:0.62rem;}.teaching-stats-diff-row .teaching-stats-mastered-count{font-size:0.62rem;font-variant-numeric:tabular-nums;word-break:break-word;}.teaching-stats-diff-row--beginner{border-color:color-mix(in srgb,var(--teaching-diff-beginner-bar) 55%,transparent);background:linear-gradient(135deg,rgba(102,187,106,0.14),var(--teaching-stats-surface-muted));}.teaching-stats-diff-row--intermediate{border-color:color-mix(in srgb,var(--teaching-diff-intermediate-bar) 55%,transparent);background:linear-gradient(135deg,rgba(255,167,38,0.14),var(--teaching-stats-surface-muted));}.teaching-stats-diff-row--advanced{border-color:color-mix(in srgb,var(--teaching-diff-advanced-bar) 55%,transparent);background:linear-gradient(135deg,rgba(239,83,80,0.12),var(--teaching-stats-surface-muted));}.teaching-stats-diff-row--beginner .teaching-stats-diff-label{color:var(--teaching-diff-beginner-color);}.teaching-stats-diff-row--intermediate .teaching-stats-diff-label{color:var(--teaching-diff-intermediate-color);}.teaching-stats-diff-row--advanced .teaching-stats-diff-label{color:var(--teaching-diff-advanced-color);}.teaching-stats-diff-row--beginner .teaching-stats-learned-count{color:var(--teaching-diff-beginner-color);}.teaching-stats-diff-row--intermediate .teaching-stats-learned-count{color:var(--teaching-diff-intermediate-color);}.teaching-stats-diff-row--advanced .teaching-stats-learned-count{color:var(--teaching-diff-advanced-color);}.teaching-stats-diff-row--beginner .teaching-donut-fill{stroke:var(--teaching-diff-beginner-color);}.teaching-stats-diff-row--intermediate .teaching-donut-fill{stroke:var(--teaching-diff-intermediate-color);}.teaching-stats-diff-row--advanced .teaching-donut-fill{stroke:var(--teaching-diff-advanced-color);}.teaching-stats-diff-row--beginner .teaching-stats-bar-learned{background:linear-gradient(90deg,var(--teaching-diff-beginner-bar),var(--teaching-diff-beginner-color));}.teaching-stats-diff-row--intermediate .teaching-stats-bar-learned{background:linear-gradient(90deg,var(--teaching-diff-intermediate-bar),var(--teaching-diff-intermediate-color));}.teaching-stats-diff-row--advanced .teaching-stats-bar-learned{background:linear-gradient(90deg,var(--teaching-diff-advanced-bar),var(--teaching-diff-advanced-color));}.teaching-stats-diff-bar{height:6px;}.teaching-achievements-wall{position:relative;}.teaching-achievements-header{display:flex;flex-wrap:wrap;align-items:center;gap:var(--spacing-lg);padding:var(--spacing-md) var(--spacing-lg);margin-bottom:var(--spacing-md);border-radius:var(--border-radius-lg);background:linear-gradient(135deg,rgba(255,183,135,0.32),rgba(139,92,246,0.22)),var(--teaching-stats-surface);border:1px solid var(--teaching-stats-border-strong);box-shadow:var(--teaching-stats-shadow);}.teaching-achievements-header-copy{flex:1;min-width:200px;}.teaching-achievements-mini-stats{display:flex;flex-wrap:wrap;gap:var(--spacing-sm);margin-top:var(--spacing-sm);}.teaching-ach-sections{display:flex;flex-direction:column;gap:var(--spacing-lg);}.teaching-ach-section-head{display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-sm);margin-bottom:var(--spacing-sm);padding:0 4px;}.teaching-ach-section-head h3{margin:0;font-size:0.95rem;display:inline-flex;align-items:center;gap:8px;color:var(--text-primary);}.teaching-ach-section-head h3 i{color:var(--secondary-color);}.teaching-ach-section-badge{font-size:0.75rem;font-weight:600;padding:4px 10px;border-radius:var(--border-radius-round);background:var(--teaching-stats-surface-muted);border:1px solid var(--teaching-stats-border-strong);color:var(--text-secondary);}.teaching-achievements-total{display:flex;align-items:center;gap:var(--spacing-sm);}.teaching-donut--ach-hero{flex-shrink:0;}.teaching-achievements-total-icon{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--border-radius-round);background:rgba(255,215,0,0.2);color:#FFD700;font-size:1.2rem;}.teaching-achievements-total-label{display:block;font-size:0.8rem;color:var(--text-secondary);}.teaching-achievements-total-value{font-size:1.5rem;font-family:var(--font-display,inherit);color:var(--primary-color);}.teaching-achievements-total-value small{font-size:0.85rem;color:var(--text-secondary);font-weight:500;}.teaching-achievements-sub{margin:0;font-size:0.82rem;color:var(--text-secondary);}.teaching-star-row{display:inline-flex;gap:3px;line-height:1;}.teaching-star{font-size:0.72rem;color:rgba(69,90,100,0.22);}[data-theme="dark"] .teaching-star{color:rgba(255,255,255,0.2);}.teaching-star.is-filled{color:#FFD700;text-shadow:0 0 6px rgba(255,215,0,0.35);}.teaching-ach-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:var(--spacing-sm);}.teaching-ach-tile{display:flex;flex-direction:column;align-items:center;gap:6px;padding:var(--spacing-md) var(--spacing-sm) var(--spacing-sm);border-radius:var(--border-radius-md);border:2px solid var(--teaching-stats-border-strong);background:var(--teaching-stats-surface);cursor:pointer;text-align:center;transition:transform 0.15s,border-color 0.15s,box-shadow 0.15s;box-shadow:var(--teaching-stats-shadow);position:relative;}.teaching-ach-tile:hover{transform:translateY(-2px);border-color:var(--secondary-color);}.teaching-ach-tile.is-unlocked{border-color:rgba(255,183,135,0.75);background:linear-gradient(180deg,rgba(255,183,135,0.28),rgba(139,92,246,0.14)),var(--teaching-stats-surface);box-shadow:0 6px 16px rgba(255,138,101,0.2);}.teaching-ach-tile.is-locked{opacity:0.72;}.teaching-ach-tile .teaching-donut--ach-tile{margin-bottom:2px;}.teaching-ach-tile-icon{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--border-radius-round);background:var(--teaching-stats-surface-muted);border:1px solid var(--teaching-stats-border-strong);color:var(--secondary-color);font-size:1.1rem;}.teaching-ach-tile.is-unlocked .teaching-ach-tile-icon{background:linear-gradient(135deg,rgba(255,183,135,0.45),rgba(149,117,205,0.32));}.teaching-ach-tile-progress{font-size:0.62rem;color:var(--text-secondary);font-weight:600;}.teaching-ach-tile-name{font-size:0.78rem;font-weight:600;line-height:1.25;color:var(--text-primary);}.teaching-ach-tile-stars .teaching-star{font-size:0.65rem;}.teaching-ach-tile-time{font-size:0.62rem;color:var(--text-secondary);line-height:1.2;}.teaching-ach-detail{position:absolute;inset:0;z-index:20;display:flex;align-items:center;justify-content:center;padding:var(--spacing-md);background:rgba(0,0,0,0.45);border-radius:var(--border-radius-md);}.teaching-ach-detail-card{position:relative;width:min(92%,360px);padding:var(--spacing-lg);border-radius:var(--border-radius-lg);border:1px solid var(--border-color);background:var(--card-bg);text-align:center;box-shadow:0 12px 32px rgba(0,0,0,0.25);}.teaching-ach-detail-close{position:absolute;top:10px;right:10px;width:32px;height:32px;border:none;border-radius:var(--border-radius-round);background:var(--bg-tertiary);color:var(--text-secondary);cursor:pointer;}.teaching-ach-detail-icon{width:72px;height:72px;margin:0 auto var(--spacing-sm);display:flex;align-items:center;justify-content:center;border-radius:var(--border-radius-round);background:linear-gradient(135deg,rgba(255,183,135,0.35),rgba(149,117,205,0.25));color:var(--secondary-color);font-size:2rem;}.teaching-ach-detail-icon.is-locked{filter:grayscale(0.9);opacity:0.55;}.teaching-ach-detail-card h3{margin:0 0 var(--spacing-xs);}.teaching-ach-detail-status{display:inline-flex;align-items:center;gap:6px;font-size:0.82rem;margin-bottom:var(--spacing-xs);}.teaching-ach-detail-status.is-unlocked{color:var(--success-color);}.teaching-ach-detail-status.is-locked{color:var(--text-secondary);}.teaching-ach-detail-stars{margin-bottom:var(--spacing-sm);}.teaching-ach-detail-stars .teaching-star{font-size:0.9rem;}.teaching-ach-detail-desc{font-size:0.88rem;color:var(--text-secondary);margin:0 0 var(--spacing-sm);line-height:1.45;}.teaching-ach-detail-time{font-size:0.8rem;color:var(--text-primary);margin:0;}.teaching-ach-detail-time--muted{color:var(--text-secondary);}.teaching-ach-row{display:flex;gap:var(--spacing-sm);padding:var(--spacing-sm);border-radius:var(--border-radius-sm);border:2px solid var(--border-color);margin-bottom:6px;opacity:0.55;}.teaching-ach-row.is-unlocked{opacity:1;border-color:var(--success-color);}.teaching-ach-points-inline{display:inline-block;padding:1px 6px;margin-left:6px;border-radius:var(--border-radius-sm);background:var(--accent-color);color:var(--text-primary);font-size:0.75rem;font-weight:700;}.teaching-ach-row .teaching-ach-tier{display:inline-block;padding:1px 6px;margin-left:6px;border-radius:var(--border-radius-sm);background:var(--bg-tertiary);color:var(--text-secondary);font-size:0.7rem;text-transform:uppercase;letter-spacing:0.5px;}@media (max-width:768px){.teaching-hero{grid-template-columns:1fr;min-height:auto;padding:var(--spacing-md);}.teaching-hero-graphic{min-height:160px;}.teaching-hero-points{gap:6px;}.teaching-form-section{padding:var(--spacing-sm);}.teaching-form-lang-diff-row .teaching-form-split{grid-template-columns:1fr;}#teaching-create-form .radio-group{grid-template-columns:repeat(auto-fit,minmax(132px,1fr));}#teaching-create-form .teaching-option-card{min-height:86px;padding:var(--spacing-sm);border-radius:18px;}#teaching-create-form .teaching-option-card--compact{min-height:52px;}.teaching-select-row{grid-template-columns:38px minmax(0,1fr);}.teaching-select-note{grid-column:1 / -1;}.teaching-classroom-root .chat-container{padding:var(--spacing-xs);}.teaching-topbar{flex-wrap:wrap;gap:var(--spacing-xs);padding:var(--spacing-xs) var(--spacing-sm);}.teaching-topbar-center{order:3;flex-basis:100%;max-width:none;margin:0;}.teaching-progress-text{min-width:28px;}.teaching-phase-badge{font-size:0.8rem;}.teaching-topbar-badge{font-size:0.65rem;padding:2px 8px;}.teaching-main{padding:var(--spacing-sm) var(--spacing-xs) calc(var(--spacing-sm) + 10px);}.teaching-card{width:min( 100%,var(--teaching-card-max-width,820px),calc(min(var(--teaching-card-max-height,78vh),100%) * var(--teaching-card-w-over-h,1)) );max-height:min(var(--teaching-card-max-height,78vh),100%);border-radius:var(--border-radius-md);}.teaching-card-scroll{padding:var(--spacing-md);}.teaching-card-meta{padding:0 var(--spacing-md) var(--spacing-sm);}.teaching-card-title{font-size:clamp(1.2rem,4vw,1.5rem);}.teaching-card--vocabulary .teaching-card-title{font-size:clamp(1.8rem,6.5vw,2.5rem);}.teaching-card--grammar .teaching-card-title,.teaching-card--slang .teaching-card-title{font-size:clamp(1.4rem,5.5vw,2.0rem);}.teaching-card-title-row{align-items:center;gap:6px;}.teaching-card-layout{grid-template-columns:1fr;grid-template-areas:"intro" "aside" "body";row-gap:var(--spacing-sm);column-gap:0;}.teaching-card-aside{max-width:160px;justify-self:center;width:100%;margin:var(--spacing-xs) 0;}.teaching-card-image-wrap--aside{width:100%;}.teaching-card-image-wrap--hero{justify-self:start;width:min(160px,55vw);margin-top:var(--spacing-sm);}.teaching-title-play{padding:7px 10px;font-size:0.78rem;}.teaching-card-actions{gap:6px;}.teaching-card-actions .cartoon-btn{flex:1 1 calc(50% - 6px);min-width:0;}.teaching-toolbar{justify-content:space-between;gap:4px;padding:4px 6px;}.teaching-toolbar .cartoon-btn{flex:1 1 auto;min-width:0;padding:6px 2px;font-size:0;gap:0;}.teaching-toolbar .cartoon-btn i{font-size:14px;margin:0;}.teaching-toolbar .cartoon-btn-ptt{flex:0 0 auto;width:40px;height:40px;min-width:40px;font-size:16px;border-radius:50%;}.teaching-summary-score-ring{width:110px;height:110px;}.teaching-completion-modal{padding:var(--spacing-md);width:96vw;max-height:92vh;}.teaching-completion-trophy{width:60px;height:60px;font-size:1.8rem;}.teaching-completion-title{font-size:1.35rem;}.teaching-completion-vocab-total-num{font-size:2.2rem;}.teaching-completion-diff-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;}.teaching-completion-diff-num{font-size:1.2rem;}.teaching-completion-diff-label{font-size:0.65rem;}.teaching-completion-stat-num{font-size:1.15rem;}.teaching-completion-stat-label{font-size:0.72rem;}.teaching-completion-ok{min-width:160px;padding:10px 22px;}.teaching-lesson-row{flex-direction:column;align-items:stretch;}.teaching-lesson-card .session-card-footer.teaching-lesson-actions{flex-wrap:nowrap;justify-content:space-between;align-items:center;gap:6px;padding:10px 12px;}.teaching-lesson-card .teaching-lesson-actions .action-btn{flex:1 1 0;min-width:0;width:auto;max-width:none;height:42px;min-height:42px;padding:0;justify-content:center;gap:0;font-size:0;line-height:1;border-radius:12px;}.teaching-lesson-card .teaching-lesson-actions .action-btn.btn-continue{flex:1 1 0;}.teaching-lesson-card .teaching-lesson-actions .action-btn i{font-size:1.05rem;margin:0;pointer-events:none;color:inherit;}.teaching-lesson-card .teaching-lesson-actions .teaching-act-label{display:none;}.teaching-rating-star{font-size:1.6rem;}.teaching-modal .modal-content{max-width:100%;}.teaching--review .teaching-topbar::before{font-size:0.65rem;padding:2px 8px;}}@media (max-width:480px){.teaching-hero-graphic{display:none;}#teaching-create-form .radio-group{grid-template-columns:1fr;}.teaching-card-actions .cartoon-btn{flex:1 1 100%;}.teaching-toolbar .cartoon-btn{flex:1 1 45%;}.teaching-toolbar .cartoon-btn-ptt{flex:0 0 auto;width:50px;height:50px;min-width:50px;border-radius:50%;}}[data-theme="dark"] .teaching-hero-kicker,[data-theme="dark"] .teaching-badge{color:#1C1C1C;}[data-theme="dark"] .teaching-difficulty-badge--beginner{color:#A5D6A7;}[data-theme="dark"] .teaching-difficulty-badge--intermediate{color:#FFCC80;}[data-theme="dark"] .teaching-difficulty-badge--advanced{color:#EF9A9A;}[data-theme="dark"] .teaching-meta-chip,[data-theme="dark"] .teaching-info-chip{box-shadow:0 2px 8px rgba(0,0,0,0.2);}[data-theme="dark"] .teaching-info-chip--synonym{color:#80CBC4;}[data-theme="dark"] .teaching-info-chip--antonym{color:#EF9A9A;}[data-theme="dark"] .teaching-section-label--definition{color:#CE93D8;}[data-theme="dark"] .teaching-section-label--examples{color:#90CAF9;}[data-theme="dark"] .teaching-section-label--synonym{color:#80CBC4;}[data-theme="dark"] .teaching-section-label--antonym{color:#EF9A9A;}[data-theme="dark"] .teaching-section-label--tag{color:#FFE082;}[data-theme="dark"] .teaching-card-section + .teaching-card-section{border-top-color:rgba(255,255,255,0.08);}#notebook-panel.teaching-notebook-overlay{position:fixed;inset:0;z-index:9200;display:flex !important;max-width:none;margin:0;background:var(--bg-primary);padding:var(--spacing-lg);box-sizing:border-box;}#notebook-panel.teaching-notebook-overlay .panel-card{width:100%;max-width:900px;margin:0 auto;display:flex;flex-direction:column;max-height:100%;}#notebook-panel.teaching-notebook-overlay #notebook-list{max-height:none;flex:1;min-height:0;}.teaching-notebook-close{position:absolute;top:16px;right:16px;z-index:9201;width:40px;height:40px;border-radius:50%;background:var(--card-bg);border:2px solid var(--border-color);color:var(--text-primary);font-size:1.1rem;cursor:pointer;display:grid;place-items:center;}.teaching-series-preview-text{margin:0;font-size:0.9rem;color:var(--text-secondary);}.teaching-series-group{padding:var(--spacing-md);margin-bottom:var(--spacing-md);border-radius:var(--border-radius-md);background:var(--card-bg);}.teaching-series-header{margin-bottom:var(--spacing-md);}.teaching-series-header h3{margin:0 0 var(--spacing-xs);font-size:1.05rem;}.teaching-series-meta{display:block;font-size:0.85rem;color:var(--text-secondary);margin-bottom:var(--spacing-xs);}.teaching-series-progress{display:block;margin-top:var(--spacing-xs);margin-bottom:var(--spacing-xs);}.teaching-series-lessons{display:flex;flex-direction:row;flex-wrap:nowrap;align-items:stretch;gap:var(--spacing-sm);overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;scroll-snap-type:x mandatory;padding-top:var(--spacing-sm);margin-top:var(--spacing-xs);}.teaching-series-lessons::-webkit-scrollbar{height:6px;}.teaching-series-lessons::-webkit-scrollbar-thumb{border-radius:var(--border-radius-round);background:rgba(255,255,255,0.22);}.teaching-series-lessons .teaching-lesson-card{flex:0 0 100%;min-width:100%;margin-bottom:0;scroll-snap-align:start;}.teaching-standalone-lessons{display:flex;flex-direction:column;gap:var(--spacing-sm);}.teaching-stats-words-learned{display:flex;align-items:baseline;justify-content:space-between;gap:var(--spacing-md);padding:var(--spacing-md) var(--spacing-lg);margin-bottom:var(--spacing-md);border-radius:var(--radius-lg);background:linear-gradient(135deg,rgba(139,92,246,0.15),rgba(59,130,246,0.12));border:1px solid var(--border-color);}.teaching-stats-words-label{font-size:0.95rem;color:var(--text-secondary);}.teaching-stats-words-value{font-size:1.75rem;font-weight:700;color:var(--primary-color);font-family:var(--font-display,inherit);}.teaching-stats-library{display:flex;flex-direction:column;gap:var(--spacing-md);margin-bottom:var(--spacing-md);}.teaching-library-progress-head{display:flex;justify-content:space-between;font-size:0.85rem;margin-bottom:var(--spacing-xs);gap:var(--spacing-sm);flex-wrap:wrap;}.teaching-recall-modal{position:fixed;inset:0;z-index:9200;display:none;align-items:center;justify-content:center;padding:var(--spacing-md);}.teaching-recall-backdrop{position:absolute;inset:0;background:rgba(0,0,0,0.5);}.teaching-recall-panel{position:relative;z-index:1;width:min(96vw,560px);max-height:90vh;display:flex;flex-direction:column;padding:var(--spacing-md);}.teaching-recall-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-sm);}.teaching-recall-body{overflow-y:auto;flex:1;display:flex;flex-direction:column;gap:var(--spacing-md);}.teaching-recall-footer{display:flex;justify-content:flex-end;gap:var(--spacing-sm);margin-top:var(--spacing-md);flex-wrap:wrap;}.teaching-recall-card{padding:var(--spacing-sm);border-radius:var(--border-radius-sm);background:var(--bg-tertiary);}.teaching-recall-card-head{display:flex;justify-content:space-between;font-size:0.8rem;color:var(--text-secondary);margin-bottom:var(--spacing-xs);}.teaching-recall-image img{max-width:100%;border-radius:var(--border-radius-sm);margin-bottom:var(--spacing-sm);}.teaching-recall-choices{display:flex;flex-direction:column;gap:var(--spacing-xs);}.teaching-recall-choice{display:flex;align-items:flex-start;gap:var(--spacing-xs);cursor:pointer;}.teaching-recall-hint{margin:0 0 var(--spacing-sm);padding:var(--spacing-xs) var(--spacing-sm);font-size:0.9rem;color:var(--text-secondary,#5a6a7a);background:var(--surface-muted,rgba(255,248,220,0.6));border-radius:var(--radius-sm,8px);line-height:1.45;}.teaching-recall-hint i{margin-right:var(--spacing-xs);color:var(--warning-color,#f39c12);}.teaching-recall-result.is-correct{border-left:4px solid var(--success-color,#2ecc71);}.teaching-recall-result.is-wrong{border-left:4px solid var(--danger-color,#e74c3c);}.teaching-recall-score{padding:var(--spacing-md);text-align:center;}