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.1s}.header-signin-btn:hover{background:var(--lab-primary-2)}.header-signin-btn:active{transform:translateY(1px)}.header-user{position:relative}.header-user-btn{background:#fff;border:1px solid var(--lab-border-2);border-radius:100px;padding:3px 12px 3px 3px;cursor:pointer;display:flex;align-items:center;gap:8px;color:var(--lab-text);font-family:inherit;font-size:13px;font-weight:500;transition:background .15s,border-color .15s}.header-user-btn:hover{background:#f3f4f6;border-color:#9ca3af}.header-avatar{width:26px;height:26px;border-radius:50%;display:block}.header-avatar-initial{background:var(--lab-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}.header-user-menu{position:absolute;right:0;top:calc(100% + 6px);background:#fff;border:1px solid var(--lab-border);border-radius:10px;min-width:180px;z-index:100;box-shadow:0 8px 24px #0f172a1f;overflow:hidden;padding:4px}.header-user-menu-item{display:block;padding:9px 12px;color:var(--lab-text);text-decoration:none;font-size:13.5px;font-weight:500;border-radius:6px;transition:background .1s}.header-user-menu-item:hover{background:#f3f4f6}.header-user-menu-btn{width:100%;background:none;border:none;text-align:left;cursor:pointer;font-family:inherit}.header-user-menu-sep{height:1px;background:var(--lab-border-2);margin:4px 2px}.header-hamburger{display:none;flex-direction:column;justify-content:center;gap:4px;width:34px;height:34px;background:transparent;border:1px solid var(--lab-border-2);border-radius:8px;cursor:pointer;padding:7px}.header-hamburger span{display:block;height:2px;background:var(--lab-text-muted);border-radius:2px;transition:background .15s}.header-hamburger:hover span{background:var(--lab-text)}.app-container{flex:1;display:flex;overflow:hidden;position:relative}.editor-panel{display:flex;flex-direction:row;flex-shrink:0;overflow:hidden;min-width:20%;max-width:80%;background:#1e1e1e}[data-editor-theme=vs] .editor-panel{background:#fff}.explorer-toggle-btn{width:36px;flex-shrink:0;background:#252526;border:none;border-right:1px solid #333;border-bottom:1px solid #333;color:#7a7a7a;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .1s,color .1s}.explorer-toggle-btn:hover{background:#2a2d2e;color:#ccc}.explorer-resize-handle{width:4px;flex-shrink:0;cursor:col-resize;background:#2a2a2a;transition:background .15s;position:relative;z-index:5}.explorer-resize-handle:hover,.explorer-resize-handle:active{background:#0070a7}.editor-wrapper{flex:1;overflow:hidden}.simulator-panel{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:20%;background:#1a1a1a}.resize-handle{width:5px;flex-shrink:0;background:#2a2a2a;cursor:col-resize;display:flex;align-items:center;justify-content:center;transition:background .15s;position:relative;z-index:10}.resize-handle:hover,.resize-handle:active{background:#0070a7}.resize-handle-grip{width:2px;height:32px;background:#444;border-radius:2px;transition:background .15s}.resize-handle:hover .resize-handle-grip,.resize-handle:active .resize-handle-grip{background:#ffffff80}@media(max-width:768px){.app-container{flex-direction:column}.editor-panel,.simulator-panel{width:100%!important;min-width:unset;max-width:unset;flex:1}.resize-handle{display:none}}.mobile-tab-bar{display:none}@media(max-width:768px){.mobile-tab-bar{display:flex;flex-shrink:0;height:44px;background:#1e1e1e;border-bottom:2px solid #0070A7;z-index:50}.mobile-tab-btn{flex:1;display:flex;flex-direction:row;align-items:center;justify-content:center;gap:6px;background:transparent;border:none;border-bottom:2px solid transparent;color:#7a7a7a;font-size:13px;font-weight:600;cursor:pointer;transition:color .15s,background .15s,border-color .15s;padding:8px 0;margin-bottom:-2px}.mobile-tab-btn--active{color:#0070a7;border-bottom-color:#0070a7;background:#007acc1a}.mobile-tab-btn:active{background:#ffffff0f}}@media(max-width:768px){.app-header{padding:0 14px;height:52px}.header-left{gap:12px}.header-username-text{display:none}.header-nav-links{display:none;position:absolute;top:52px;left:0;right:0;background:#fff;border-bottom:1px solid var(--lab-border);box-shadow:0 4px 12px #0f172a0f;flex-direction:column;align-items:stretch;gap:2px;padding:8px;z-index:200}.header-nav-links.header-nav-open{display:flex}.header-nav-link{padding:12px 16px;border-radius:8px;font-size:15px}.header-hamburger{display:flex}}[data-editor-theme=vs]{--ed-bg: #FFFFFF;--ed-surface: #FAFAFB;--ed-surface-2: #F3F4F6;--ed-border: #E4E6E9;--ed-border-hi: #D0D3D8;--ed-text: #1F2937;--ed-text-muted: #4B5563;--ed-text-dim: #6B7280;--ed-primary: #0070A7;--ed-primary-soft: rgba(0, 112, 167, .1)}[data-editor-theme=vs] .app{background:var(--ed-bg);color:var(--ed-text)}[data-editor-theme=vs] .file-explorer,[data-editor-theme=vs] .fe-board-files,[data-editor-theme=vs] .file-explorer-list{background:var(--ed-surface);color:var(--ed-text);border-color:var(--ed-border)}[data-editor-theme=vs] .file-explorer-header,[data-editor-theme=vs] .fe-board-header{background:var(--ed-surface-2);color:var(--ed-text);border-color:var(--ed-border)}[data-editor-theme=vs] .fe-board-header-active{background:var(--ed-primary-soft);color:var(--ed-primary)}[data-editor-theme=vs] .file-explorer-item,[data-editor-theme=vs] .fe-file-item{color:var(--ed-text)}[data-editor-theme=vs] .file-explorer-item:hover,[data-editor-theme=vs] .fe-file-item:hover{background:var(--ed-surface-2)}[data-editor-theme=vs] .file-explorer-item-active,[data-editor-theme=vs] .fe-file-item.active{background:var(--ed-primary-soft);color:var(--ed-primary)}[data-editor-theme=vs] .file-explorer-rename-input{background:#fff;color:var(--ed-text);border:1px solid var(--ed-border-hi)}[data-editor-theme=vs] .file-explorer-context-menu{background:#fff;border:1px solid var(--ed-border);color:var(--ed-text);box-shadow:0 8px 24px #0f172a1f}[data-editor-theme=vs] .fe-collapse-btn,[data-editor-theme=vs] .file-explorer-new-btn,[data-editor-theme=vs] .fe-board-new-btn,[data-editor-theme=vs] .file-explorer-save-btn{color:var(--ed-text-muted)}[data-editor-theme=vs] .fe-collapse-btn:hover,[data-editor-theme=vs] .file-explorer-new-btn:hover,[data-editor-theme=vs] .fe-board-new-btn:hover,[data-editor-theme=vs] .file-explorer-save-btn:hover{color:var(--ed-primary);background:var(--ed-surface-2)}[data-editor-theme=vs] .explorer-toggle-btn{background:var(--ed-surface-2);border-color:var(--ed-border);color:var(--ed-text-muted)}[data-editor-theme=vs] .explorer-toggle-btn:hover{background:var(--ed-surface);color:var(--ed-text)}[data-editor-theme=vs] .explorer-resize-handle{background:var(--ed-border)}[data-editor-theme=vs] .explorer-resize-handle:hover,[data-editor-theme=vs] .explorer-resize-handle:active{background:var(--ed-primary)}[data-editor-theme=vs] .file-tabs{background:var(--ed-surface-2);border-bottom:1px solid var(--ed-border)}[data-editor-theme=vs] .file-tab{background:var(--ed-surface-2);color:var(--ed-text-muted);border-color:var(--ed-border)}[data-editor-theme=vs] .file-tab:hover{color:var(--ed-text);background:var(--ed-surface)}[data-editor-theme=vs] .file-tab-active,[data-editor-theme=vs] .file-tab.active{background:var(--ed-bg);color:var(--ed-text);border-bottom-color:var(--ed-bg)!important}[data-editor-theme=vs] .file-tab-close,[data-editor-theme=vs] .ftabs-btn-close{color:var(--ed-text-dim)}[data-editor-theme=vs] .file-tab-close:hover,[data-editor-theme=vs] .ftabs-btn-close:hover{background:var(--ed-surface-2);color:var(--ed-text)}[data-editor-theme=vs] .editor-toolbar{background:var(--ed-surface);border-bottom:1px solid var(--ed-border);color:var(--ed-text)}[data-editor-theme=vs] .editor-toolbar button{color:var(--ed-text);background:#fff;border:1px solid var(--ed-border-hi)}[data-editor-theme=vs] .editor-toolbar button:hover{background:var(--ed-surface-2);border-color:#9ca3af}[data-editor-theme=vs] .resize-handle{background:var(--ed-border)}[data-editor-theme=vs] .resize-handle:hover,[data-editor-theme=vs] .resize-handle:active{background:var(--ed-primary)}[data-editor-theme=vs] .resize-handle-grip{background:var(--ed-border-hi)}[data-editor-theme=vs] .canvas-header{background:var(--ed-surface);border-bottom:1px solid var(--ed-border);color:var(--ed-text)}[data-editor-theme=vs] .canvas-serial-btn,[data-editor-theme=vs] .add-component-btn,[data-editor-theme=vs] .board-selector,[data-editor-theme=vs] .delete-button{background:#fff;color:var(--ed-text);border:1px solid var(--ed-border-hi)}[data-editor-theme=vs] .canvas-serial-btn:hover,[data-editor-theme=vs] .add-component-btn:hover,[data-editor-theme=vs] .board-selector:hover,[data-editor-theme=vs] .delete-button:hover{background:var(--ed-surface-2);border-color:#9ca3af}[data-editor-theme=vs] .canvas-serial-btn-active{background:var(--ed-primary);color:#fff;border-color:var(--ed-primary)}[data-editor-theme=vs] .component-palette{background:var(--ed-surface);border-color:var(--ed-border);color:var(--ed-text)}[data-editor-theme=vs] .component-label,[data-editor-theme=vs] .component-type-label{color:var(--ed-text)}[data-editor-theme=vs] .component-count{color:var(--ed-text-dim)}[data-editor-theme=vs] .oscilloscope-header,[data-editor-theme=vs] .oscilloscope-controls{background:var(--ed-surface);border-color:var(--ed-border);color:var(--ed-text)}[data-editor-theme=vs] .mobile-tab-bar{background:var(--ed-surface)!important;border-bottom:2px solid var(--ed-primary)!important}[data-editor-theme=vs] .mobile-tab-btn{color:var(--ed-text-muted)!important}[data-editor-theme=vs] .mobile-tab-btn--active{color:var(--ed-primary)!important;background:var(--ed-primary-soft)!important}[data-editor-theme=vs] ::-webkit-scrollbar-track{background:var(--ed-surface-2)}[data-editor-theme=vs] ::-webkit-scrollbar-thumb{background:#cbd0d8;border-radius:8px}[data-editor-theme=vs] ::-webkit-scrollbar-thumb:hover{background:#a8aeb8}.examples-gallery{min-height:100vh;background:var(--bg);color:var(--text);padding:52px 40px;font-family:var(--font);-webkit-font-smoothing:antialiased}.examples-header{text-align:center;margin-bottom:52px;max-width:1200px;margin-left:auto;margin-right:auto}.examples-header h1{font-size:clamp(32px,5vw,52px);margin:0 0 14px;font-weight:700;letter-spacing:-1.5px;color:var(--text)}.examples-header p{font-size:17px;color:var(--text-muted);margin:0;font-weight:400;line-height:1.65}.examples-board-tabs{max-width:1200px;margin:0 auto 28px;display:flex;flex-wrap:wrap;gap:8px}.board-tab{display:inline-flex;align-items:center;gap:6px;padding:7px 16px;border-radius:var(--radius-pill);border:none;background:var(--bg-card);color:var(--text-muted);font-size:13px;font-weight:400;font-family:var(--font);cursor:pointer;transition:background .2s,color .2s;white-space:nowrap}.board-tab:hover{background:var(--bg-elevated);color:var(--text)}.board-tab.active{font-weight:600;color:#fff}.board-tab-count{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;border-radius:9px;background:#0f172a14;font-size:11px;font-weight:600;padding:0 4px}.examples-filters{max-width:1200px;margin:0 auto 40px;display:flex;flex-direction:column;gap:16px}.filter-group{display:flex;align-items:center;gap:14px}.filter-group label{font-size:13px;color:var(--text-muted);min-width:72px;font-weight:500}.filter-buttons{display:flex;gap:8px;flex-wrap:wrap}.filter-button{display:inline-flex;align-items:center;gap:5px;padding:6px 14px;border:none;background:var(--bg-card);color:var(--text-muted);border-radius:var(--radius-pill);cursor:pointer;font-size:13px;font-weight:400;font-family:var(--font);transition:background .18s,color .18s}.filter-button:hover{background:var(--bg-elevated);color:var(--text)}.filter-button.active{background:var(--accent);color:#fff;font-weight:500}.examples-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}.example-card{background:var(--bg-card);border-radius:20px;overflow:hidden;cursor:pointer;transition:transform .3s cubic-bezier(.34,1.46,.64,1),box-shadow .3s ease;display:flex;flex-direction:column}.example-card:hover{transform:scale(1.025);box-shadow:0 12px 40px #0f172a1f}.example-thumbnail{width:100%;height:180px;background:#f3f4f6;display:flex;align-items:center;justify-content:center;overflow:hidden}.example-thumbnail img{width:100%;height:100%;object-fit:contain}.example-preview-image{background:#f3f4f6}.example-placeholder-new{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;width:100%;height:100%;background:#f3f4f6}.placeholder-icon{font-size:52px;opacity:.5;color:var(--text-muted)}.placeholder-text{display:flex;flex-direction:column;gap:4px;text-align:center}.component-count,.wire-count{font-size:12px;color:var(--text-dim);font-family:var(--mono)}.example-info{padding:20px 20px 18px;display:flex;flex-direction:column;gap:8px;flex:1}.example-title{font-size:16px;font-weight:600;margin:0;color:var(--text);letter-spacing:-.3px}.example-description{font-size:13px;color:var(--text-muted);margin:0;line-height:1.65;flex:1}.example-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:4px}.example-difficulty{padding:3px 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var(--nav-h));overflow-y:auto}.docs-sidebar-title{font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;padding:0 20px 12px}.docs-sidebar-nav{display:flex;flex-direction:column;gap:2px;padding:0 8px}.docs-sidebar-item{display:block;width:100%;text-align:left;padding:7px 12px;background:transparent;border:none;color:var(--text-muted);font-size:13.5px;border-radius:var(--radius);cursor:pointer;transition:color .15s,background .15s;text-decoration:none}.docs-sidebar-item:hover{color:var(--text);background:#0f172a0d}.docs-sidebar-item--active{color:var(--accent);background:#007acc1f}.docs-sidebar-footer{margin-top:auto;padding:16px 20px 0}.docs-sidebar-divider{margin:16px 20px;border-top:1px solid var(--border)}.docs-sidebar-title--pages{padding-top:0}.docs-sidebar-link{display:block;text-decoration:none}.docs-sidebar-gh{display:flex;align-items:center;gap:6px;color:var(--text-muted);text-decoration:none;font-size:12.5px;transition:color 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#0f172a1a}.docs-sidebar--open{transform:translate(0)}.docs-mobile-bar{display:flex;align-items:center;gap:10px;padding:8px 16px;background:var(--bg-card);border-bottom:1px solid var(--border)}.docs-mobile-bar-title{font-size:13px;color:var(--text-muted);font-family:var(--mono)}.docs-sidebar-toggle{display:flex;align-items:center;justify-content:center}.docs-main{padding:32px 20px}.docs-section h1{font-size:1.6rem}}.docs-board-gallery{display:flex;flex-wrap:wrap;gap:16px;margin:16px 0 24px}.docs-board-card{display:flex;flex-direction:column;align-items:center;gap:8px;background:var(--bg-elevated);border:1px solid var(--border, #2a2a3a);border-radius:10px;padding:16px 20px;min-width:140px}.docs-board-card img{width:120px;height:120px;object-fit:contain}.docs-board-card span{font-size:12px;color:var(--text-muted, #888);text-align:center;font-family:var(--mono, monospace)}.profile-page{min-height:100vh;background:var(--bg);font-family:var(--font);-webkit-font-smoothing:antialiased}.profile-container{max-width:1000px;margin:0 auto;padding:60px 40px}.profile-header{display:flex;align-items:center;gap:20px;margin-bottom:52px}.profile-avatar{width:64px;height:64px;border-radius:50%;background:var(--accent);color:#fff;font-size:26px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;letter-spacing:-.5px}.profile-username{margin:0;font-size:32px;font-weight:700;color:var(--text);letter-spacing:-1px;flex:1}.profile-new-btn{display:inline-flex;align-items:center;padding:10px 22px;background:var(--accent);color:#fff;border-radius:var(--radius-pill);text-decoration:none;font-size:14px;font-weight:500;transition:filter .2s,transform 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