:root{--primary-color: #007AFF;--primary-hover: #0051D5;--secondary-color: #5856D6;--accent-color: #00C7BE;--success-color: #30D158;--warning-color: #FF9F0A;--error-color: #FF3B30;--info-color: #64D2FF;--gray-50: #FAFAFA;--gray-75: #F7F7F7;--gray-100: #F2F2F7;--gray-150: #EBEBF0;--gray-200: #D1D1D6;--gray-300: #C7C7CC;--gray-400: #AEAEB2;--gray-500: #8E8E93;--gray-600: #636366;--gray-700: #48484A;--gray-800: #2C2C2E;--gray-900: #1C1C1E;--gray-950: #000000;--text-primary: #FFFFFF;--text-secondary: #EBEBF5;--text-tertiary: #EBEBF5;--text-quaternary: #8E8E93;--text-white: #FFFFFF;--text-inverse: #000000;--text-muted: #636366;--bg-primary: #000000;--bg-secondary: #1C1C1E;--bg-tertiary: #2C2C2E;--bg-quaternary: #3A3A3C;--bg-elevated: #1C1C1E;--bg-overlay: rgba(0, 0, 0, .6);--bg-blur: rgba(28, 28, 30, .8);--border-primary: #38383A;--border-secondary: #48484A;--border-tertiary: #636366;--border-light: #2C2C2E;--border-focus: #007AFF;--border-error: #FF3B30;--shadow-xs: 0 1px 3px rgba(0, 0, 0, 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#6366f11a}.form-input::placeholder{color:var(--text-muted)}.auth-button{width:100%;display:flex;align-items:center;justify-content:center;gap:var(--space-3);padding:var(--space-4);font-size:var(--text-base);font-weight:var(--font-medium);border-radius:var(--radius-md);transition:all var(--transition-fast);border:1px solid transparent;cursor:pointer}.auth-button:disabled{opacity:.6;cursor:not-allowed}.auth-button.primary{background-color:var(--primary-color);color:var(--text-white)}.auth-button.primary:hover:not(:disabled){background-color:#5856eb}.auth-button.secondary{background-color:var(--bg-secondary);color:var(--text-primary);border-color:var(--border-light)}.auth-button.secondary:hover:not(:disabled){background-color:var(--bg-tertiary)}.button-spinner{width:20px;height:20px;border:2px solid transparent;border-top:2px solid currentColor;border-radius:var(--radius-full);animation:spin 1s linear infinite}.auth-divider{text-align:center;margin:var(--space-6) 0;position:relative}.auth-divider:before{content:"";position:absolute;top:50%;left:0;right:0;height:1px;background-color:var(--border-light)}.auth-divider span{background-color:var(--bg-primary);color:var(--text-secondary);font-size:var(--text-sm);padding:0 var(--space-4);position:relative;z-index:1}.demo-card{background-color:var(--bg-secondary);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:var(--space-5);margin-top:var(--space-6)}.demo-header{display:flex;align-items:center;gap:var(--space-2);margin-bottom:var(--space-4);color:var(--text-primary);font-weight:var(--font-medium);font-size:var(--text-sm)}.demo-content{display:flex;flex-direction:column;gap:var(--space-3)}.demo-credential{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3)}.demo-label{font-size:var(--text-sm);color:var(--text-secondary);font-weight:var(--font-medium)}.demo-value{font-family:var(--font-mono);font-size:var(--text-sm);background-color:var(--bg-primary);padding:var(--space-1) var(--space-2);border-radius:var(--radius-sm);border:1px solid var(--border-light);color:var(--text-primary)}@media (max-width: 480px){.auth-page{padding:var(--space-2)}.auth-container{padding:var(--space-6)}.auth-logo{width:56px;height:56px;font-size:var(--text-xl)}.auth-title{font-size:var(--text-2xl)}.form-input{padding:var(--space-3) var(--space-3) var(--space-3) var(--space-10);font-size:var(--text-sm)}.input-icon{left:var(--space-3)}.auth-button{padding:var(--space-3);font-size:var(--text-sm)}}.chat-container{display:flex;flex-direction:column;height:100%;width:100%;background-color:var(--bg-primary);position:relative}.chat-view{display:flex;flex-direction:column;height:100%;width:100%;max-width:900px;margin:0 auto;position:relative;min-height:0}.chat-messages-area{flex:1;display:flex;flex-direction:column;position:relative;min-height:0}.chat-input-section{flex-shrink:0;padding:var(--space-4) 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var(--transition-fast);box-shadow:var(--shadow-xs)}.feature-card:hover{border-color:var(--border-secondary);box-shadow:var(--shadow-md);transform:translateY(-4px)}.feature-icon{display:flex;align-items:center;justify-content:center;width:56px;height:56px;background:linear-gradient(135deg,var(--primary-color) 0%,var(--secondary-color) 100%);border-radius:var(--radius-xl);margin:0 auto var(--space-5);color:var(--text-white);font-size:var(--text-2xl);box-shadow:var(--shadow-sm)}.feature-title{font-size:var(--text-xl);font-weight:var(--font-semibold);color:var(--text-primary);margin-bottom:var(--space-3);letter-spacing:-.01em}.feature-description{font-size:var(--text-lg);color:var(--text-secondary);line-height:var(--leading-relaxed);letter-spacing:-.01em}.welcome-examples{text-align:left}.examples-header h3{font-size:var(--text-xl);font-weight:var(--font-semibold);color:var(--text-primary);margin-bottom:var(--space-4)}.examples-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--space-3)}.example-prompt{background-color:var(--bg-secondary);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:var(--space-4);font-size:var(--text-sm);color:var(--text-secondary);font-style:italic;transition:all var(--transition-fast);cursor:pointer}.example-prompt:hover{border-color:var(--primary-color);color:var(--text-primary)}.chat-messages{flex:1;overflow-y:auto;overflow-x:hidden;padding:var(--space-6) 0;position:relative;min-height:0;-webkit-overflow-scrolling:touch;scrollbar-width:none;-ms-overflow-style:none}.chat-messages::-webkit-scrollbar{display:none}.messages-container{width:100%;padding:0 var(--space-4) var(--space-6);display:flex;flex-direction:column;min-height:min-content}.message{display:flex;gap:var(--space-3);animation:slideInUp .3s 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0}.chat-history-item{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3);border-radius:var(--radius-lg);border:1px solid transparent;cursor:pointer;transition:all var(--transition-fast);margin:var(--space-1) 0}.chat-history-item:hover{background-color:var(--bg-secondary);border-color:var(--border-primary);transform:translate(2px)}.chat-item-content{flex:1;min-width:0}.chat-item-header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);margin-bottom:var(--space-1)}.chat-title{font-size:var(--text-sm);font-weight:var(--font-medium);color:var(--text-primary);margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-actions{display:flex;align-items:center;gap:var(--space-1);opacity:0;transition:opacity var(--transition-fast)}.chat-history-item:hover .chat-actions{opacity:1}.chat-action-btn{display:flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:var(--radius-sm);color:var(--text-muted);transition:all var(--transition-fast)}.chat-action-btn:hover{background-color:var(--bg-tertiary);color:var(--text-secondary)}.delete-btn:hover{background-color:#fef2f2;color:var(--error-color)}.chat-item-meta{display:flex;align-items:center;gap:var(--space-3);font-size:var(--text-xs);color:var(--text-muted)}.chat-date,.chat-message-count{display:flex;align-items:center;gap:var(--space-1)}.chat-item-indicator{color:var(--text-muted);font-size:var(--text-xs);opacity:0;transition:opacity var(--transition-fast)}.chat-history-item:hover .chat-item-indicator{opacity:1}@media (max-width: 768px){.chat-view{max-width:100%}.chat-input-section{padding:var(--space-3) var(--space-4)}.messages-container{padding:0 var(--space-4);gap:var(--space-4)}.welcome-content{padding:var(--space-4)}.welcome-title{font-size:var(--text-3xl)}.features-grid{grid-template-columns:1fr;gap:var(--space-4)}.examples-grid{grid-template-columns:1fr}.message{gap:var(--space-3)}.avatar-icon{width:32px;height:32px}.message-content{max-width:85%}.message-text{font-size:var(--text-base);padding:var(--space-2) var(--space-3)}}@media (max-width: 480px){.messages-container{padding:0 var(--space-3)}.message{gap:var(--space-2)}.avatar-icon{width:28px;height:28px;font-size:var(--text-xs)}.chat-history-item{padding:var(--space-3)}.chat-title{font-size:var(--text-xs)}.chat-item-meta{font-size:11px}}.prompt-form-container{background-color:transparent;padding:0;max-width:100%;width:100%}.selected-style-indicator{margin-bottom:var(--space-4)}.style-chip{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);background-color:var(--bg-secondary);border:1px solid var(--border-light);border-radius:var(--radius-full);font-size:var(--text-sm);color:var(--text-primary)}.style-remove{display:flex;align-items:center;justify-content:center;width:16px;height:16px;color:var(--text-muted);transition:color var(--transition-fast)}.style-remove:hover{color:var(--text-secondary)}.collapsible-section{background-color:var(--bg-secondary);border:1px solid var(--border-light);border-radius:var(--radius-lg);margin-bottom:var(--space-4);overflow:hidden}.section-header{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-4);font-size:var(--text-sm);font-weight:var(--font-medium);color:var(--text-primary);border-bottom:1px solid var(--border-light)}.negative-prompt-input{width:100%;padding:var(--space-3);border:none;background-color:transparent;font-size:var(--text-sm);color:var(--text-primary);resize:vertical;min-height:60px}.negative-prompt-input:focus{outline:none}.negative-prompt-input::placeholder{color:var(--text-muted)}.input-container{display:flex;flex-direction:column;gap:var(--space-3)}.input-wrapper{background-color:var(--bg-elevated);border:1px solid var(--border-primary);border-radius:var(--radius-2xl);overflow:hidden;transition:all var(--transition-fast);box-shadow:var(--shadow-xs)}.input-wrapper:focus-within{border-color:var(--border-focus);box-shadow:0 0 0 4px #007aff1a}@media (max-width: 768px){.prompt-form-container{padding:var(--space-4) var(--space-5)}.input-main{padding:var(--space-3) var(--space-4)}.send-button{width:36px;height:36px;font-size:var(--text-base)}.file-upload-btn{width:32px;height:32px;font-size:var(--text-base)}}.input-main{display:flex;align-items:flex-end;gap:var(--space-4);padding:var(--space-4) var(--space-5);width:100%}.prompt-textarea{flex:1;border:none;background:transparent;font-family:var(--font-family);font-size:var(--text-lg);font-weight:var(--font-regular);color:var(--text-primary);resize:none;min-height:32px;max-height:180px;line-height:var(--leading-normal);letter-spacing:-.01em;width:100%;min-width:0;height:29px;padding-left:15px;border-radius:80px}.prompt-textarea:focus{outline:none}.prompt-textarea::placeholder{color:var(--text-quaternary);font-weight:var(--font-regular)}.input-actions{display:flex;align-items:center;gap:var(--space-2);flex-shrink:0;margin-left:auto}.send-button{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background-color:transparent;color:var(--primary-color);border-radius:var(--radius-full);transition:all var(--transition-fast);font-size:var(--text-lg);box-shadow:none;flex-shrink:0;border:none}.send-button:hover:not(:disabled){background-color:var(--bg-secondary);color:var(--primary-hover);transform:scale(1.05)}.send-button:active{transform:scale(.95)}.send-button:disabled{opacity:.4;cursor:not-allowed;transform:none}.file-upload-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-full);color:var(--text-quaternary);transition:all var(--transition-fast);position:relative;font-size:var(--text-lg);flex-shrink:0}.file-upload-btn:hover:not(:disabled){background-color:var(--bg-secondary);color:var(--text-primary);transform:scale(1.05)}.file-upload-btn.uploading{color:var(--primary-color)}.file-upload-btn.drag-over{background-color:var(--bg-secondary);color:var(--primary-color)}.upload-spinner{width:16px;height:16px;border:2px solid var(--gray-300);border-top:2px solid var(--primary-color);border-radius:var(--radius-full);animation:spin 1s linear infinite}.quick-actions{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);padding:var(--space-2) 0 0}.action-group{display:flex;align-items:center;gap:var(--space-1)}.action-button{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);font-size:var(--text-sm);color:var(--text-secondary);border-radius:var(--radius-lg);transition:all var(--transition-fast);border:1px solid transparent;font-weight:var(--font-medium)}.action-button:hover{background-color:var(--bg-secondary);color:var(--text-primary)}.action-button.active{background-color:var(--primary-color);color:var(--text-white)}.toggle-group{display:flex;align-items:center;gap:var(--space-4)}.toggle-option{display:flex;align-items:center;gap:var(--space-2);cursor:pointer}.toggle-option input[type=checkbox]{width:16px;height:16px;accent-color:var(--primary-color)}.toggle-label{font-size:var(--text-xs);color:var(--text-secondary);-webkit-user-select:none;user-select:none}.image-editor{background-color:var(--bg-primary);border-top:1px solid var(--border-light);padding:var(--space-6)}.editor-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-6)}.editor-title{display:flex;align-items:center;gap:var(--space-3);font-size:var(--text-lg);font-weight:var(--font-semibold);color:var(--text-primary)}.editor-close-btn{display:flex;align-items:center;justify-content:center;width:32px;height:32px;color:var(--text-muted);border-radius:var(--radius-md);transition:all var(--transition-fast)}.editor-close-btn:hover{background-color:var(--bg-secondary);color:var(--text-primary)}.editor-content,.editor-controls{display:flex;flex-direction:column;gap:var(--space-4)}.control-group{display:flex;align-items:center;gap:var(--space-3)}.control-btn{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);font-size:var(--text-sm);color:var(--text-primary);background-color:var(--bg-secondary);border:1px solid var(--border-light);border-radius:var(--radius-md);transition:all var(--transition-fast)}.control-btn:hover:not(:disabled){background-color:var(--bg-tertiary)}.control-btn:disabled{opacity:.5;cursor:not-allowed}.control-btn.disabled{opacity:.5;cursor:not-allowed}.selected-style{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3);background-color:var(--bg-secondary);border-radius:var(--radius-md)}.style-label{font-size:var(--text-sm);color:var(--text-secondary)}.editor-info{margin:var(--space-4) 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.credit-value{color:var(--primary-color)}.credit-separator{color:var(--text-muted);font-size:var(--text-lg)}.shortage-info{text-align:center}.shortage-card{display:flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-4);background-color:#fef2f2;border:1px solid #fecaca;border-radius:var(--radius-md);color:var(--error-color)}.shortage-text{font-size:var(--text-sm)}.purchase-prompt{display:flex;align-items:flex-start;gap:var(--space-3);padding:var(--space-4);background-color:var(--bg-secondary);border-radius:var(--radius-md)}.prompt-icon{display:flex;align-items:center;justify-content:center;width:32px;height:32px;background-color:var(--primary-color);color:var(--text-white);border-radius:var(--radius-full);font-size:var(--text-sm);flex-shrink:0}.prompt-text p{font-size:var(--text-sm);color:var(--text-secondary);line-height:var(--leading-relaxed);margin:0}.settings-modal 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var(--transition-fast);margin-top:var(--space-4)}.style-modal-content{display:flex;flex-direction:column;gap:var(--space-6)}.style-intro{text-align:center}.style-intro h3{font-size:var(--text-xl);font-weight:var(--font-semibold);color:var(--text-primary);margin-bottom:var(--space-2)}.style-intro p{font-size:var(--text-base);color:var(--text-secondary);line-height:var(--leading-relaxed);margin:0}.styles-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--space-4)}.style-card{display:flex;flex-direction:column;align-items:center;gap:var(--space-4);padding:var(--space-6);border:2px solid var(--border-light);border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-fast);position:relative;text-align:center}.style-card:hover{border-color:var(--border-medium);box-shadow:var(--shadow-md)}.style-card.selected{border-color:var(--primary-color);background-color:#faf5ff}.style-icon{display:flex;align-items:center;justify-content:center;width:48px;height:48px;background-color:var(--bg-secondary);border-radius:var(--radius-lg);font-size:var(--text-xl);color:var(--primary-color)}.style-info{flex:1}.style-name{font-size:var(--text-base);font-weight:var(--font-semibold);color:var(--text-primary);margin-bottom:var(--space-2)}.style-description{font-size:var(--text-sm);color:var(--text-secondary);line-height:var(--leading-relaxed);margin:0}.selected-indicator{position:absolute;top:var(--space-3);right:var(--space-3);color:var(--primary-color);font-size:var(--text-lg)}.selection-preview{text-align:center;padding:var(--space-4);background-color:var(--bg-secondary);border-radius:var(--radius-md)}.preview-content{display:flex;align-items:center;justify-content:center;gap:var(--space-2);color:var(--text-primary);font-size:var(--text-sm)}.credits-badge{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);background-color:var(--bg-elevated);border:1px solid var(--border-primary);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);font-size:var(--text-sm)}.credits-badge:hover{background-color:var(--bg-secondary);border-color:var(--border-secondary)}.credits-badge.loading{opacity:.6}.credits-badge.empty{border-color:var(--error-color);background-color:#ff3b301a}.credits-badge.low{border-color:var(--warning-color);background-color:#ff9f0a1a}.credits-badge.medium{border-color:var(--accent-color);background-color:#00c7be1a}.credits-badge.high{border-color:var(--success-color);background-color:#30d1581a}.badge-icon{color:var(--text-muted)}.credits-badge.empty .badge-icon{color:var(--error-color)}.credits-badge.low .badge-icon{color:var(--warning-color)}.credits-badge.medium .badge-icon{color:var(--accent-color)}.credits-badge.high 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var(--border-light);border-radius:var(--radius-md);cursor:pointer;transition:all 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var(--space-5);background-color:#000000b3;color:var(--text-white);border-radius:var(--radius-lg);font-size:var(--text-sm);opacity:.8;transition:opacity var(--transition-fast)}.stage-canvas-container.drag-highlight{background-color:#6366f11a}.stage-canvas-container.drag-highlight .drop-zone-hint{opacity:1;background-color:var(--primary-color)}.stage-error{display:flex;align-items:center;justify-content:center;height:100%;padding:var(--space-8)}.error-content{text-align:center;max-width:400px}.error-icon{font-size:var(--text-4xl);color:var(--error-color);margin-bottom:var(--space-4)}.error-text h3{font-size:var(--text-xl);font-weight:var(--font-semibold);color:var(--text-primary);margin-bottom:var(--space-2)}.error-text p{font-size:var(--text-base);color:var(--text-secondary);line-height:var(--leading-relaxed);margin-bottom:var(--space-6)}.retry-btn{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-5);background-color:var(--primary-color);color:var(--text-white);border-radius:var(--radius-md);font-size:var(--text-sm);font-weight:var(--font-medium);transition:background-color var(--transition-fast)}.retry-btn:hover{background-color:#5856eb}.stage-panel{position:absolute;top:var(--space-4);right:var(--space-4);width:320px;max-height:calc(100vh - 200px);background-color:var(--bg-primary);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);z-index:30;display:flex;flex-direction:column}.stage-panel.assets-panel{left:var(--space-4);right:auto}.panel-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-4);border-bottom:1px solid var(--border-light);background-color:var(--bg-secondary);border-radius:var(--radius-lg) var(--radius-lg) 0 0}.panel-header 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var(--transition-fast)}.control-select:focus,.control-color:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #6366f11a}.control-color{height:40px;cursor:pointer}.slider-group{display:flex;align-items:center;gap:var(--space-3)}.control-slider{flex:1;height:6px;background-color:var(--bg-secondary);border-radius:var(--radius-full);-webkit-appearance:none;-moz-appearance:none;appearance:none;cursor:pointer}.control-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:18px;height:18px;background-color:var(--primary-color);border-radius:var(--radius-full);cursor:pointer}.control-slider::-moz-range-thumb{width:18px;height:18px;background-color:var(--primary-color);border-radius:var(--radius-full);border:none;cursor:pointer}.slider-value{font-size:var(--text-sm);font-weight:var(--font-medium);color:var(--text-primary);min-width:40px;text-align:right}.apply-btn,.reset-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-3);font-size:var(--text-sm);font-weight:var(--font-medium);border-radius:var(--radius-md);transition:all var(--transition-fast);margin-top:var(--space-4)}.apply-btn{background-color:var(--primary-color);color:var(--text-white);border:1px solid var(--primary-color)}.apply-btn:hover{background-color:#5856eb}.reset-btn{background-color:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-light)}.reset-btn:hover{background-color:var(--bg-tertiary)}.model-details{display:flex;flex-direction:column;gap:var(--space-3);margin-bottom:var(--space-4)}.detail-item{display:flex;justify-content:space-between;align-items:center;padding:var(--space-2) 0;border-bottom:1px solid var(--border-light)}.detail-item:last-child{border-bottom:none}.detail-label{font-size:var(--text-sm);color:var(--text-secondary)}.detail-value{font-size:var(--text-sm);font-weight:var(--font-medium);color:var(--text-primary)}.scale-controls{display:flex;align-items:center;justify-content:center;gap:var(--space-3);margin-top:var(--space-2)}.scale-btn{display:flex;align-items:center;justify-content:center;width:32px;height:32px;background-color:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-light);border-radius:var(--radius-md);transition:all var(--transition-fast)}.scale-btn:hover{background-color:var(--bg-tertiary);border-color:var(--border-medium)}.scale-value{font-size:var(--text-base);font-weight:var(--font-semibold);color:var(--text-primary);min-width:60px;text-align:center}.assets-panel{width:400px}.drop-zone-hint{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3)}.hint-content{display:flex;align-items:center;gap:var(--space-2)}.close-hint-btn{display:flex;align-items:center;justify-content:center;width:24px;height:24px;background-color:#0000004d;color:var(--text-white);border-radius:var(--radius-sm);font-size:var(--text-xs);transition:all var(--transition-fast)}.close-hint-btn:hover{background-color:#00000080;transform:scale(1.05)}.assets-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:var(--space-3)}.asset-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-6);background-color:var(--bg-secondary);border:2px dashed var(--border-light);border-radius:var(--radius-md);color:var(--text-muted);text-align:center}.asset-placeholder i{font-size:var(--text-2xl);margin-bottom:var(--space-2)}.ai-assistant{position:fixed;bottom:var(--space-6);right:var(--space-6);z-index:40;transition:all var(--transition-normal)}.assistant-toggle{display:flex;align-items:center;justify-content:center;width:60px;height:60px;background-color:var(--primary-color);color:var(--text-white);border-radius:var(--radius-full);box-shadow:var(--shadow-lg);font-size:var(--text-xl);transition:all var(--transition-fast);position:relative}.assistant-toggle:hover{background-color:#5856eb;transform:scale(1.05)}.connection-status{position:absolute;top:-2px;right:-2px;width:16px;height:16px;border-radius:var(--radius-full);border:2px solid var(--bg-primary)}.connection-status.connected{background-color:var(--success-color)}.connection-status.disconnected{background-color:var(--error-color)}.status-dot{width:100%;height:100%;border-radius:var(--radius-full);animation:pulse 2s infinite}@keyframes pulse{0%{transform:scale(1);opacity:1}50%{transform:scale(1.2);opacity:.7}to{transform:scale(1);opacity:1}}.assistant-window{position:absolute;bottom:80px;right:0;width:500px;max-height:600px;background-color:var(--bg-primary);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);display:flex;flex-direction:column;overflow:hidden;animation:slideInUp .3s ease-out}.assistant-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-4);border-bottom:1px solid var(--border-light);background-color:var(--bg-secondary)}.header-info h4{font-size:var(--text-base);font-weight:var(--font-semibold);color:var(--text-primary);margin:0 0 var(--space-1) 0}.connection-indicator{display:flex;align-items:center;gap:var(--space-1);font-size:var(--text-xs);color:var(--text-secondary)}.connection-indicator.connected{color:var(--success-color)}.connection-indicator.disconnected{color:var(--error-color)}.close-btn{display:flex;align-items:center;justify-content:center;width:24px;height:24px;color:var(--text-muted);border-radius:var(--radius-sm);transition:all var(--transition-fast)}.close-btn:hover{background-color:var(--bg-tertiary);color:var(--text-primary)}.assistant-messages{flex:1;overflow-y:scroll;overflow-x:hidden;padding:var(--space-6);max-height:280px;min-height:250px;scrollbar-width:none;-ms-overflow-style:none}.assistant-messages::-webkit-scrollbar{width:0px;background:transparent}.welcome-message{text-align:center;padding:var(--space-6) var(--space-4)}.welcome-icon{display:flex;align-items:center;justify-content:center;width:48px;height:48px;background-color:var(--primary-color);color:var(--text-white);border-radius:var(--radius-full);font-size:var(--text-xl);margin:0 auto var(--space-4)}.welcome-message h3{font-size:var(--text-lg);font-weight:var(--font-semibold);color:var(--text-primary);margin-bottom:var(--space-3)}.welcome-message p{font-size:var(--text-sm);color:var(--text-secondary);line-height:var(--leading-relaxed);margin-bottom:var(--space-4)}.capability-list{display:flex;flex-direction:column;gap:var(--space-2);margin-bottom:var(--space-4)}.capability-item{display:flex;align-items:center;gap:var(--space-2);font-size:var(--text-sm);color:var(--text-secondary);text-align:left}.capability-item i{width:16px;color:var(--primary-color)}.example-prompt{padding:var(--space-3);background-color:var(--bg-secondary);border-radius:var(--radius-md);font-size:var(--text-sm);color:var(--text-primary);text-align:left}.chat-message{display:flex;gap:var(--space-4);margin-bottom:var(--space-6);align-items:flex-start;padding:var(--space-2)}.chat-message.user{flex-direction:row-reverse}.chat-message.processing{justify-content:flex-start}.chat-message.system{justify-content:center;align-items:center;flex-direction:column;text-align:center}.chat-message.error{background-color:#fef2f2;border:1px solid #fecaca;border-radius:var(--radius-md);padding:var(--space-3)}.message-avatar{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:var(--radius-full);flex-shrink:0;margin-top:var(--space-1)}.chat-message.user .message-avatar{background-color:var(--primary-color);color:var(--text-white)}.chat-message.assistant .message-avatar,.chat-message.system .message-avatar{background-color:var(--bg-secondary);color:var(--text-secondary)}.message-bubble{max-width:80%;padding:var(--space-3);border-radius:var(--radius-lg);position:relative}.chat-message.user .message-bubble{background-color:var(--primary-color);color:var(--text-white);border-bottom-right-radius:var(--radius-sm)}.chat-message.assistant .message-bubble,.chat-message.system .message-bubble{background-color:var(--bg-secondary);color:var(--text-primary);border-bottom-left-radius:var(--radius-sm)}.message-content{font-size:var(--text-sm);line-height:var(--leading-relaxed);margin-bottom:var(--space-2)}.message-time{font-size:var(--text-xs);opacity:.7}.typing-indicator{display:flex;gap:var(--space-1);margin-right:var(--space-2)}.typing-indicator span{width:6px;height:6px;background-color:currentColor;border-radius:var(--radius-full);animation:typing 1.4s infinite ease-in-out}.typing-indicator span:nth-child(1){animation-delay:-.32s}.typing-indicator span:nth-child(2){animation-delay:-.16s}@keyframes typing{0%,80%,to{transform:scale(.8);opacity:.5}40%{transform:scale(1);opacity:1}}.retry-connection-btn{display:inline-flex;align-items:center;gap:var(--space-1);padding:var(--space-1) var(--space-2);margin-top:var(--space-2);background-color:var(--primary-color);color:var(--text-white);border-radius:var(--radius-sm);font-size:var(--text-xs);transition:background-color var(--transition-fast)}.retry-connection-btn:hover{background-color:#5856eb}.assistant-input{border-top:1px solid var(--border-light);padding:var(--space-4);background-color:var(--bg-primary)}.input-form{display:flex;gap:var(--space-2)}.input-wrapper{flex:1;display:flex;align-items:center;background-color:var(--bg-secondary);border:1px solid var(--border-light);border-radius:80px;overflow:hidden;transition:border-color var(--transition-fast)}.input-wrapper:focus-within{border-color:var(--primary-color)}.chat-input{flex:1;padding:var(--space-3);border:none;background:transparent;font-size:var(--text-sm);color:var(--text-primary)}.chat-input:focus{outline:none}.chat-input::placeholder{color:var(--text-muted)}.chat-input:disabled{opacity:.6;cursor:not-allowed}.send-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;background-color:var(--primary-color);color:var(--text-white);border-radius:var(--radius-md);transition:all var(--transition-fast);flex-shrink:0}.send-btn:hover:not(:disabled){background-color:#5856eb}.send-btn:disabled{opacity:.5;cursor:not-allowed}.model-viewer-container{background-color:var(--bg-secondary);border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden;margin:var(--space-4) 0}.model-viewer-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-4);background-color:var(--bg-primary);border-bottom:1px solid var(--border-light)}.model-title{display:flex;align-items:center;gap:var(--space-2);font-size:var(--text-base);font-weight:var(--font-semibold);color:var(--text-primary);margin:0}.model-status{display:flex;align-items:center;gap:var(--space-2);font-size:var(--text-sm)}.status-loading{color:var(--warning-color)}.status-error{color:var(--error-color)}.status-ready{color:var(--success-color)}.model-error{padding:var(--space-4);background-color:#fef2f2;border:1px solid #fecaca;color:var(--error-color)}.error-content{display:flex;align-items:flex-start;gap:var(--space-3)}.error-content i{flex-shrink:0;margin-top:var(--space-1)}.error-content div{flex:1}.error-content strong{display:block;margin-bottom:var(--space-1)}.error-content small{display:block;font-size:var(--text-xs);opacity:.8}.model-viewer-wrapper{position:relative;height:170px;background-color:var(--gray-100)}.model-viewer{width:100%;height:100%}.model-actions{display:flex;gap:var(--space-3);padding:var(--space-4);background-color:var(--bg-primary)}.model-action-btn{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);font-size:var(--text-sm);font-weight:var(--font-medium);border-radius:var(--radius-md);transition:all var(--transition-fast);border:1px solid var(--border-light)}.model-action-btn.primary{background-color:var(--primary-color);color:var(--text-white);border-color:var(--primary-color)}.model-action-btn.primary:hover{background-color:#5856eb}.model-action-btn.secondary{background-color:var(--bg-secondary);color:var(--text-primary)}.model-action-btn.secondary:hover{background-color:var(--bg-tertiary)}.model-section{margin-top:var(--space-4);border:1px solid var(--border-light);border-radius:var(--radius-md);overflow:hidden}.section-header{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-4);background-color:var(--bg-secondary);font-size:var(--text-sm);font-weight:var(--font-medium);color:var(--text-primary)}.section-description{padding:var(--space-3) var(--space-4);font-size:var(--text-sm);color:var(--text-secondary);background-color:var(--bg-primary);border-bottom:1px solid var(--border-light)}.download-list{padding:var(--space-4);display:flex;flex-direction:column;gap:var(--space-3)}.download-item{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);padding:var(--space-3);background-color:var(--bg-secondary);border-radius:var(--radius-md)}.download-info{display:flex;flex-direction:column;gap:var(--space-1)}.download-type{font-size:var(--text-sm);font-weight:var(--font-medium);color:var(--text-primary)}.download-filename{font-size:var(--text-xs);color:var(--text-secondary);font-family:var(--font-mono)}.download-btn{display:flex;align-items:center;justify-content:center;width:32px;height:32px;background-color:var(--primary-color);color:var(--text-white);border-radius:var(--radius-md);transition:background-color var(--transition-fast)}.download-btn:hover{background-color:#5856eb}.retexture-form{padding:var(--space-4);display:flex;flex-direction:column;gap:var(--space-4)}.retexture-input-group{display:flex;gap:var(--space-2)}.retexture-input{flex:1;padding:var(--space-3);border:1px solid var(--border-light);border-radius:var(--radius-md);font-size:var(--text-sm);color:var(--text-primary)}.retexture-input:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #6366f11a}.retexture-apply-btn{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-4);background-color:var(--primary-color);color:var(--text-white);border-radius:var(--radius-md);font-size:var(--text-sm);font-weight:var(--font-medium);transition:background-color var(--transition-fast);white-space:nowrap}.retexture-apply-btn:hover:not(:disabled){background-color:#5856eb}.retexture-apply-btn:disabled{opacity:.5;cursor:not-allowed}.retexture-status{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-4);background-color:#eff6ff;border:1px solid #bfdbfe;border-radius:var(--radius-md);color:#1d4ed8;font-size:var(--text-sm)}.engine-info{padding:var(--space-4);background-color:var(--bg-secondary)}.info-header{display:flex;align-items:center;gap:var(--space-2);margin-bottom:var(--space-3);font-size:var(--text-sm);font-weight:var(--font-medium);color:var(--text-primary)}.info-list{display:flex;flex-direction:column;gap:var(--space-2)}.info-item{font-size:var(--text-sm);color:var(--text-secondary);line-height:var(--leading-relaxed)}@media (max-width: 1024px){.stage-panel{width:300px}.assistant-window{width:350px;max-height:500px}.toolbar-section{gap:var(--space-1)}.tool-btn{padding:var(--space-2) var(--space-3);font-size:var(--text-xs)}}@media (max-width: 768px){.stage-header{flex-direction:column;align-items:flex-start;gap:var(--space-3);padding:var(--space-4)}.stage-title{font-size:var(--text-2xl)}.stage-stats{align-self:stretch;justify-content:space-around}.stage-toolbar{flex-direction:column;gap:var(--space-3);padding:var(--space-3)}.toolbar-section{justify-content:center;flex-wrap:wrap}.stage-panel{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);width:calc(100vw - 2rem);max-width:400px;max-height:calc(100vh - 4rem)}.ai-assistant{bottom:var(--space-4);right:var(--space-4)}.assistant-window{position:fixed;bottom:0;right:0;left:0;width:100%;max-height:70vh;border-radius:var(--radius-xl) var(--radius-xl) 0 0}.model-actions{flex-direction:column;gap:var(--space-2)}.model-action-btn{justify-content:center}.retexture-input-group{flex-direction:column}}@media (max-width: 480px){.stage-header{padding:var(--space-3)}.stage-title{font-size:var(--text-xl)}.stage-toolbar{padding:var(--space-2)}.tool-btn{padding:var(--space-1) var(--space-2)}.tool-btn span{display:none}.assistant-toggle{width:50px;height:50px;font-size:var(--text-lg)}.assistant-messages,.assistant-input{padding:var(--space-3)}.message-bubble{max-width:90%}.panel-content{padding:var(--space-3)}.control-group{margin-bottom:var(--space-3)}}.assets-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:var(--space-3);padding:var(--space-2);max-height:500px;overflow-y:auto}.asset-card{display:flex;flex-direction:column;background-color:var(--bg-secondary);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:var(--space-3);cursor:pointer;transition:all var(--transition-fast);-webkit-user-select:none;user-select:none}.asset-card:hover{background-color:var(--bg-hover);border-color:var(--primary-color);transform:translateY(-2px);box-shadow:var(--shadow-md)}.asset-card:active{transform:translateY(0)}.asset-preview{display:flex;align-items:center;justify-content:center;height:80px;background-color:var(--bg-primary);border-radius:var(--radius-md);margin-bottom:var(--space-2);font-size:2rem;color:var(--primary-color);overflow:hidden;position:relative}.asset-preview 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span{display:block}.gradient-text{background:linear-gradient(135deg,#0071e3,#00d4aa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.coming-soon-subtitle{font-size:24px;color:#86868b;margin-bottom:48px;font-weight:400;line-height:1.4}.launch-countdown{display:flex;justify-content:center;margin-bottom:48px}.countdown-item{text-align:center;padding:24px 48px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:16px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.countdown-number{font-size:48px;font-weight:600;color:#0071e3;margin-bottom:8px}.countdown-label{font-size:18px;color:#86868b;text-transform:uppercase;letter-spacing:.1em}.notify-form{margin-bottom:48px}.form-group{display:flex;gap:12px;max-width:400px;margin:0 auto}.email-input{flex:1;padding:14px 20px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:980px;color:#fff;font-size:16px;outline:none;transition:all .3s}.email-input::placeholder{color:#86868b}.email-input:focus{background:#ffffff14;border-color:#0071e3}.email-input:disabled{opacity:.6;cursor:not-allowed}.notify-button{padding:14px 30px;background:#0071e3;color:#fff;border:none;border-radius:980px;font-size:16px;font-weight:500;cursor:pointer;transition:all .3s;white-space:nowrap;min-width:120px}.notify-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 20px #0071e34d}.notify-button:disabled{opacity:.6;cursor:not-allowed;transform:none}.message{margin-top:16px;font-size:14px;animation:fadeIn .5s ease-out;padding:12px 20px;border-radius:12px;font-weight:500}.success-message{color:#00d4aa;background:#00d4aa1a;border:1px solid rgba(0,212,170,.2)}.promo-message{color:gold;background:linear-gradient(135deg,#ffd7001a,#0071e31a);border:1px solid rgba(255,215,0,.3);animation:promoGlow 2s ease-in-out infinite alternate}.error-message{color:#ff6b6b;background:#ff6b6b1a;border:1px solid rgba(255,107,107,.2)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes promoGlow{0%{box-shadow:0 0 5px #ffd70033}to{box-shadow:0 0 20px #ffd70066}}.features-preview{margin-bottom:48px;padding:32px;background:#ffffff08;border:1px solid rgba(255,255,255,.1);border-radius:20px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.features-preview h3{font-size:20px;margin-bottom:24px;color:#fff}.feature-list{display:flex;flex-direction:column;gap:16px;text-align:left}.feature-item{display:flex;align-items:center;gap:12px;color:#86868b;font-size:16px;transition:color .3s}.feature-item:hover{color:#fff}.feature-icon{font-size:24px;min-width:32px}.back-button{padding:12px 24px;background:transparent;color:#86868b;border:1px solid rgba(255,255,255,.1);border-radius:980px;font-size:14px;cursor:pointer;transition:all .3s}.back-button:hover{color:#fff;border-color:#ffffff4d}@media (max-width: 768px){.coming-soon-nav{padding:0 20px}.coming-soon-content{padding:80px 20px 40px}.coming-soon-title{font-size:48px}.coming-soon-subtitle{font-size:18px}.form-group{flex-direction:column;max-width:320px}.email-input,.notify-button{width:100%}.countdown-item{padding:20px 32px}.countdown-number{font-size:36px}.features-preview{padding:24px}.feature-item{font-size:14px}.feature-icon{font-size:20px;min-width:28px}}