*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary: #1a1a2e;--bg-secondary: #16213e;--bg-tertiary: #0f3460;--bg-dark: #0a0a1a;--bg-card: #1e1e3a;--bg-input: #252545;--text-primary: #e0e0e0;--text-secondary: #a0a0b0;--text-muted: #6a6a80;--accent: #e94560;--accent-hover: #ff6b81;--accent-secondary: #533483;--border: #2a2a4a;--border-light: #3a3a5a;--success: #4caf50;--warning: #ff9800;--danger: #f44336;--info: #2196f3;--nav-height: 56px;--sidebar-width: 280px;--toolbar-height: 48px;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--radius: 6px;--radius-lg: 10px;--shadow: 0 4px 12px rgba(0, 0, 0, .3);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .4);--transition: .2s ease}html,body{height:100%;overflow:hidden}body{font-family:var(--font-family);background-color:var(--bg-dark);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{height:100%;display:flex;flex-direction:column}button{font-family:var(--font-family);cursor:pointer;border:none;outline:none;transition:all var(--transition)}input,select,textarea{font-family:var(--font-family);outline:none;border:1px solid var(--border);background:var(--bg-input);color:var(--text-primary);border-radius:var(--radius);padding:6px 10px;font-size:13px;transition:border-color var(--transition)}input:focus,select:focus{border-color:var(--accent)}input[type=range]{-webkit-appearance:none;background:transparent;border:none;padding:0;width:100%;height:20px}input[type=range]::-webkit-slider-track{height:4px;background:var(--border);border-radius:2px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;border-radius:50%;background:var(--accent);margin-top:-6px;cursor:pointer}input[type=range]::-moz-range-track{height:4px;background:var(--border);border-radius:2px}input[type=range]::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:var(--accent);border:none;cursor:pointer}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-dark)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--border-light)}.modal-overlay{position:fixed;inset:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-content{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-lg);max-width:90vw;max-height:90vh;overflow-y:auto;padding:24px}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.modal-header h2{font-size:18px;font-weight:600}.modal-close{background:none;color:var(--text-secondary);font-size:20px;padding:4px 8px;border-radius:var(--radius)}.modal-close:hover{background:var(--bg-input);color:var(--text-primary)}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius);font-size:13px;font-weight:500;transition:all var(--transition)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover{background:var(--bg-input);color:var(--text-primary)}.btn-sm{padding:4px 10px;font-size:12px}.btn-lg{padding:12px 24px;font-size:15px}.btn-icon{padding:6px;border-radius:var(--radius);background:transparent;color:var(--text-secondary);display:inline-flex;align-items:center;justify-content:center}.btn-icon:hover{background:var(--bg-input);color:var(--text-primary)}.app{height:100vh;display:flex;flex-direction:column;overflow:hidden}.app-body{display:flex;flex:1;overflow:hidden}.navbar{height:var(--nav-height);background:var(--bg-secondary);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 16px;z-index:100;gap:12px}.nav-home-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius);background:var(--bg-tertiary);color:var(--text-secondary);text-decoration:none;transition:all var(--transition)}.nav-home-btn:hover{background:var(--accent);color:#fff}.nav-logo{font-size:22px;font-weight:700;color:var(--accent);letter-spacing:-.5px;-webkit-user-select:none;user-select:none}.nav-logo span{color:var(--text-primary)}.nav-tabs{display:flex;align-items:center;gap:4px;margin-left:8px;padding-left:16px;border-left:1px solid var(--border)}.nav-tab{padding:8px 16px;border-radius:var(--radius);background:transparent;color:var(--text-secondary);font-size:13px;font-weight:500;border:none;cursor:pointer;transition:all var(--transition)}.nav-tab:hover{background:var(--bg-tertiary);color:var(--text-primary)}.nav-tab.active{background:var(--accent);color:#fff}.nav-menu{display:flex;align-items:center;gap:2px;flex:1;margin-left:16px}.nav-item{position:relative}.nav-btn{background:transparent;color:var(--text-secondary);padding:8px 14px;border-radius:var(--radius);font-size:13px;font-weight:500;display:flex;align-items:center;gap:4px;white-space:nowrap}.nav-btn:hover,.nav-btn.active{background:var(--bg-tertiary);color:var(--text-primary)}.nav-dropdown{position:absolute;top:100%;left:0;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:4px;min-width:180px;box-shadow:var(--shadow-lg);z-index:200}.nav-dropdown-item{display:block;width:100%;padding:8px 12px;background:transparent;color:var(--text-secondary);font-size:13px;text-align:left;border-radius:4px;white-space:nowrap}.nav-dropdown-item:hover{background:var(--bg-tertiary);color:var(--text-primary)}.nav-right{display:flex;align-items:center;gap:8px;margin-left:auto}.mode-toggle{display:flex;background:var(--bg-input);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border)}.mode-toggle button{padding:6px 14px;font-size:12px;font-weight:500;background:transparent;color:var(--text-secondary)}.mode-toggle button.active{background:var(--accent);color:#fff}.step-toolbar{height:var(--toolbar-height);background:var(--bg-secondary);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:center;gap:4px;padding:0 16px}.step-tab{padding:10px 20px;background:transparent;color:var(--text-secondary);border:none;border-bottom:2px solid transparent;font-size:13px;font-weight:500;cursor:pointer;transition:all var(--transition)}.step-tab:hover:not(:disabled){color:var(--text-primary);background:var(--bg-tertiary)}.step-tab.active{color:var(--accent);border-bottom-color:var(--accent)}.step-tab.completed{color:var(--success)}.step-tab:disabled{opacity:.4;cursor:not-allowed}.sidebar{width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--border);overflow-y:auto;flex-shrink:0;padding:12px;display:flex;flex-direction:column;gap:8px}.sidebar-section{background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border);overflow:hidden}.sidebar-section-header{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;background:var(--bg-input);cursor:pointer;-webkit-user-select:none;user-select:none}.sidebar-section-header h3{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary)}.sidebar-section-content{padding:12px;display:flex;flex-direction:column;gap:10px}.control-row{display:flex;align-items:center;gap:8px}.control-label{font-size:12px;color:var(--text-secondary);min-width:70px;flex-shrink:0}.control-value{font-size:12px;color:var(--text-muted);min-width:32px;text-align:right}.control-row input[type=range]{flex:1}.control-buttons{display:flex;gap:4px;flex-wrap:wrap}.control-buttons button{flex:1;min-width:0}.canvas-area{flex:1;display:flex;align-items:center;justify-content:center;background:var(--bg-dark);position:relative;overflow:hidden}.canvas-container{position:relative;display:flex;align-items:center;justify-content:center}.canvas-container canvas{max-width:100%;max-height:calc(100vh - var(--nav-height) - var(--toolbar-height) - 40px);object-fit:contain;border:1px solid var(--border);background:#333}.canvas-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;color:var(--text-muted)}.canvas-placeholder-icon{font-size:64px;opacity:.3}.canvas-placeholder p{font-size:16px}.upload-zone{width:500px;border:2px dashed var(--border-light);border-radius:var(--radius-lg);padding:48px;text-align:center;cursor:pointer;transition:all var(--transition)}.upload-zone:hover,.upload-zone.drag-over{border-color:var(--accent);background:#e945600d}.upload-zone-icon{font-size:48px;color:var(--accent);margin-bottom:16px}.upload-zone h3{font-size:18px;font-weight:600;margin-bottom:8px}.upload-zone p{font-size:13px;color:var(--text-muted);margin-bottom:16px}.upload-formats{display:flex;gap:6px;justify-content:center;flex-wrap:wrap}.upload-format-tag{padding:2px 8px;background:var(--bg-input);border-radius:4px;font-size:11px;color:var(--text-muted);text-transform:uppercase}.import-dialog{width:500px}.import-options{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}.import-option{border:2px solid var(--border);border-radius:var(--radius-lg);padding:24px;text-align:center;cursor:pointer;transition:all var(--transition);background:var(--bg-input)}.import-option:hover{border-color:var(--accent);background:#e945601a}.import-option.selected{border-color:var(--accent);background:#e9456026}.import-option-icon{font-size:36px;margin-bottom:12px}.import-option h4{font-size:15px;margin-bottom:6px}.import-option p{font-size:12px;color:var(--text-muted)}.import-option .recommended{display:inline-block;padding:2px 8px;background:var(--accent);color:#fff;border-radius:10px;font-size:10px;font-weight:600;margin-top:8px}.crop-modal{width:800px;max-width:90vw}.crop-container{width:100%;max-height:500px;margin-bottom:16px;background:#222;border-radius:var(--radius);overflow:hidden}.crop-container img{max-width:100%;display:block}.crop-controls{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.crop-controls label{font-size:12px;color:var(--text-secondary);display:flex;align-items:center;gap:6px}.crop-controls input[type=checkbox]{accent-color:var(--accent)}.resize-modal{width:400px}.resize-fields{display:flex;flex-direction:column;gap:12px}.resize-field{display:flex;align-items:center;gap:8px}.resize-field label{font-size:13px;color:var(--text-secondary);min-width:60px}.resize-field input{flex:1}.resize-field select{width:70px}.lock-ratio{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-secondary);cursor:pointer}.lock-ratio input{accent-color:var(--accent)}.text-modal{width:600px}.text-preview{width:100%;height:200px;background:#222;border:1px solid var(--border);border-radius:var(--radius);margin-bottom:16px;display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}.text-controls{display:grid;grid-template-columns:1fr 1fr;gap:12px}.text-control{display:flex;flex-direction:column;gap:4px}.text-control label{font-size:12px;color:var(--text-secondary)}.text-control input,.text-control select{width:100%}.text-style-buttons{display:flex;gap:4px}.text-style-btn{padding:6px 12px;background:var(--bg-input);color:var(--text-secondary);border:1px solid var(--border);border-radius:var(--radius);font-size:13px}.text-style-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}.material-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.material-card{border:2px solid var(--border);border-radius:var(--radius);padding:12px 8px;text-align:center;cursor:pointer;transition:all var(--transition);background:var(--bg-input)}.material-card:hover{border-color:var(--accent)}.material-card.selected{border-color:var(--accent);background:#e9456026}.material-card-icon{font-size:24px;margin-bottom:6px}.material-card-name{font-size:11px;color:var(--text-secondary);line-height:1.2}.algorithm-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.algorithm-card{border:2px solid var(--border);border-radius:var(--radius);padding:12px;text-align:center;cursor:pointer;transition:all var(--transition);background:var(--bg-input)}.algorithm-card:hover{border-color:var(--accent)}.algorithm-card.selected{border-color:var(--accent);background:#e9456026}.algorithm-card h4{font-size:13px;font-weight:600;margin-bottom:4px}.algorithm-card p{font-size:10px;color:var(--text-muted);line-height:1.3}.easy-mode-overlay{position:fixed;inset:0;background:#000000d9;display:flex;align-items:center;justify-content:center;z-index:500}.easy-mode-dialog{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border);width:700px;max-width:90vw;max-height:90vh;overflow-y:auto;padding:32px}.easy-mode-steps{display:flex;justify-content:center;gap:8px;margin-bottom:24px}.easy-step-indicator{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;background:var(--border);color:var(--text-secondary)}.easy-step-indicator.active{background:var(--accent);color:#fff}.easy-step-indicator.completed{background:var(--success);color:#fff}.easy-step-connector{width:32px;height:2px;background:var(--border);align-self:center}.easy-mode-content{text-align:center;min-height:300px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px}.easy-mode-actions{display:flex;justify-content:center;gap:12px;margin-top:24px}.qr-modal{width:400px;text-align:center}.qr-input{width:100%;margin-bottom:16px}.qr-preview{display:flex;justify-content:center;margin:16px 0;background:#fff;padding:16px;border-radius:var(--radius)}.pattern-modal,.mandala-modal{width:520px;text-align:center}.pattern-type-grid{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px;justify-content:center}.pattern-type-btn{padding:5px 12px;border-radius:var(--radius);font-size:12px;font-weight:500;background:var(--bg-input);color:var(--text-secondary);border:1px solid var(--border);cursor:pointer;transition:all .15s}.pattern-type-btn:hover{background:var(--bg-sidebar);color:var(--text-primary)}.pattern-type-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}.pattern-controls{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;text-align:left}.pattern-control-row{display:flex;align-items:center;gap:10px}.pattern-control-row label{font-size:12px;color:var(--text-secondary);width:80px;flex-shrink:0;text-align:right}.pattern-control-row input[type=range]{flex:1;height:4px;accent-color:var(--accent)}.pattern-val{font-size:11px;color:var(--text-muted);width:55px;text-align:left;flex-shrink:0}.pattern-preview{display:flex;justify-content:center;margin:12px 0 16px;background:#fff;padding:12px;border-radius:var(--radius)}.mandala-style-row{display:flex;gap:6px;margin-bottom:12px;align-items:center;flex-wrap:wrap}.download-panel{width:400px}.download-options{display:flex;flex-direction:column;gap:8px;margin-top:16px}.download-option{display:flex;align-items:center;justify-content:space-between;padding:12px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:all var(--transition)}.download-option:hover{border-color:var(--accent);background:#e945601a}.download-option-info h4{font-size:14px;margin-bottom:2px}.download-option-info p{font-size:11px;color:var(--text-muted)}.image-info-bar{position:absolute;bottom:0;left:0;right:0;background:#000000b3;padding:6px 16px;display:flex;gap:16px;font-size:12px;color:var(--text-muted);z-index:10}.image-info-item{display:flex;align-items:center;gap:4px}.image-info-item span{color:var(--text-secondary)}.hidden{display:none!important}.flex-center{display:flex;align-items:center;justify-content:center}.gap-sm{gap:4px}.gap-md{gap:8px}.gap-lg{gap:16px}.app-body-3d{flex:1;display:flex;align-items:center;justify-content:center;background:var(--bg-dark)}.placeholder-3d{text-align:center;color:var(--text-muted)}.placeholder-3d h2{font-size:2rem;margin-bottom:12px;color:var(--text-primary)}.placeholder-3d p{font-size:1rem}.preview-grid-modal{display:flex;flex-direction:column}.preview-grid-controls{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--border);margin-bottom:16px}.preview-view-tabs{display:flex;gap:4px}.preview-tab{padding:8px 16px;background:transparent;color:var(--text-secondary);border:1px solid var(--border);border-radius:var(--radius);font-size:13px;cursor:pointer;transition:all var(--transition)}.preview-tab:hover{background:var(--bg-tertiary);color:var(--text-primary)}.preview-tab.active{background:var(--accent);color:#fff;border-color:var(--accent)}.preview-size-control{display:flex;align-items:center;gap:8px;color:var(--text-secondary);font-size:13px}.preview-size-control input[type=range]{width:100px}.preview-loading{flex:1;display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:14px;min-height:200px}.preview-grid-container{display:flex;flex-wrap:wrap;gap:12px;overflow-y:auto;max-height:calc(90vh - 200px);padding:4px}.preview-card{display:flex;flex-direction:column;align-items:center;padding:10px;background:var(--bg-secondary);border:2px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:all var(--transition)}.preview-card:hover{border-color:var(--accent);background:var(--bg-tertiary)}.preview-card.selected{border-color:var(--accent);box-shadow:0 0 0 2px #3b82f64d}.preview-canvas{background:var(--bg-dark);border-radius:4px}.preview-card-label{display:flex;align-items:center;gap:6px;margin-top:8px;font-size:12px;font-weight:500;color:var(--text-primary);text-align:center;word-break:break-word}.preview-icon{font-size:14px}.preview-name{flex:1}.preview-card-desc{font-size:10px;color:var(--text-muted);text-align:center;margin-top:4px;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.stylize-modal{width:480px;text-align:center}.stylize-controls{display:flex;flex-direction:column;gap:8px;margin-bottom:12px;text-align:left}.nav-dropdown-item:disabled{opacity:.4;cursor:not-allowed}.bg-removal-modal,.masking-modal{width:540px;text-align:center}.bg-mode-toggle{display:flex;gap:6px;margin-bottom:12px;justify-content:center}.bg-preview-container{display:flex;justify-content:center;margin:8px 0 16px}.bg-ai-status{display:flex;align-items:center;justify-content:center;gap:10px;padding:12px;margin-bottom:12px;background:var(--surface);border-radius:var(--radius);font-size:12px;color:var(--text-secondary)}.bg-ai-error{color:#e74c3c;background:#e74c3c14}.bg-ai-spinner{width:18px;height:18px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:bg-spin .7s linear infinite}@keyframes bg-spin{to{transform:rotate(360deg)}}.mask-toolbar{display:flex;align-items:center;gap:6px;margin-bottom:12px;flex-wrap:wrap}