:root{--background: hsl(60, 8%, 95%);--foreground: hsl(70, 8%, 15%);--primary: hsl(75, 60%, 44%);--primary-fg: hsl(70, 8%, 15%);--card: hsl(60, 6%, 97%);--muted: hsl(65, 8%, 91%);--muted-fg: hsl(70, 4%, 45%);--border: hsl(65, 6%, 86%);--destructive: hsl(0, 55%, 52%);--radius: .75rem;--font-sans: "Plus Jakarta Sans", system-ui, sans-serif;--font-icon: "Material Symbols Outlined";--toolbar-width: 172px;--shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04)}[data-theme=dark]{--background: hsl(70, 4%, 9%);--foreground: hsl(60, 8%, 85%);--primary: hsl(75, 55%, 52%);--primary-fg: hsl(70, 4%, 9%);--card: hsl(70, 4%, 11%);--muted: hsl(70, 4%, 15%);--muted-fg: hsl(65, 4%, 50%);--border: hsl(70, 4%, 18%);--destructive: hsl(0, 45%, 42%);--shadow-sm: 0 1px 3px rgba(0,0,0,.25), 0 1px 2px rgba(0,0,0,.15);--shadow-md: 0 4px 12px rgba(0,0,0,.35), 0 2px 4px rgba(0,0,0,.2)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;height:100%;overflow:hidden;background:var(--background);color:var(--foreground);font-family:var(--font-sans);font-size:14px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.material-symbols-outlined{font-family:var(--font-icon);font-weight:400;font-style:normal;font-size:20px;line-height:1;letter-spacing:normal;text-transform:none;display:inline-block;white-space:nowrap;word-wrap:normal;direction:ltr;-webkit-font-smoothing:antialiased;-webkit-user-select:none;user-select:none}#canvas{position:fixed;top:0;right:0;bottom:0;left:0;display:block;width:100%;height:100%}#canvas.cursor-grab{cursor:grab}#canvas.cursor-grabbing{cursor:grabbing}#canvas.cursor-crosshair{cursor:crosshair}#canvas.cursor-cell{cursor:cell}#canvas.cursor-pointer{cursor:pointer}#app-header{position:fixed;top:0;left:0;right:0;height:48px;display:flex;align-items:center;justify-content:space-between;padding:0 12px;background:color-mix(in srgb,var(--card) 82%,transparent);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border);z-index:200}.header-left{display:flex;align-items:center;gap:4px}.app-logo{display:flex;align-items:center;gap:7px;font-weight:600;font-size:15px;color:var(--foreground);-webkit-user-select:none;user-select:none;margin-left:2px}.logo-emoji{font-size:17px;line-height:1}.header-controls{display:flex;align-items:center;gap:4px}.zoom-display{font-size:12px;font-weight:500;color:var(--muted-fg);font-variant-numeric:tabular-nums;min-width:46px;text-align:center;padding:4px 6px;border-radius:6px;background:var(--muted);-webkit-user-select:none;user-select:none}.divider-v{width:1px;height:20px;background:var(--border);margin:0 2px}.share-btn{display:flex;align-items:center;gap:6px;padding:0 12px;height:32px;border:none;border-radius:8px;background:color-mix(in srgb,var(--primary) 14%,transparent);color:var(--primary);font-family:var(--font-sans);font-size:13px;font-weight:600;cursor:pointer;transition:background .15s,color .15s;outline:none}.share-btn:hover{background:color-mix(in srgb,var(--primary) 22%,transparent)}.share-btn:focus-visible{box-shadow:0 0 0 2px var(--primary)}.share-btn .material-symbols-outlined{font-size:16px}.share-btn-label{line-height:1}#toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%) translateY(0);display:flex;align-items:center;gap:8px;padding:10px 16px;font-size:13px;font-weight:500;color:var(--card);background:var(--foreground);border-radius:40px;box-shadow:var(--shadow-md);z-index:400;pointer-events:none;transition:opacity .25s,transform .25s}#toast.toast-hidden{opacity:0;transform:translate(-50%) translateY(6px)}#toast .material-symbols-outlined{font-size:16px}.icon-btn{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border:none;border-radius:8px;background:transparent;color:var(--muted-fg);cursor:pointer;transition:background .15s,color .15s;outline:none}.icon-btn:hover{background:var(--muted);color:var(--foreground)}.icon-btn:focus-visible{box-shadow:0 0 0 2px var(--primary)}#toolbar{position:fixed;top:60px;left:12px;bottom:12px;width:var(--toolbar-width);display:flex;flex-direction:column;gap:6px;padding:8px;background:color-mix(in srgb,var(--card) 92%,transparent);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-md);z-index:100;pointer-events:auto;overflow-y:auto;overflow-x:hidden;scrollbar-width:none;transition:opacity .2s,transform .2s}#toolbar::-webkit-scrollbar{display:none}#toolbar.toolbar-hidden{opacity:0;transform:translate(-8px);pointer-events:none}.toolbar-nav{display:flex;gap:4px;padding:2px;border:1px solid var(--border);border-radius:10px;background:var(--background);flex-shrink:0}.tool-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;flex-shrink:0;border:none;border-radius:8px;background:transparent;color:var(--muted-fg);cursor:pointer;transition:background .15s,color .15s;outline:none}.tool-btn:hover{background:var(--muted);color:var(--foreground)}.tool-btn.active{background:color-mix(in srgb,var(--primary) 14%,transparent);color:var(--primary)}.tool-btn:focus-visible{box-shadow:0 0 0 2px var(--primary)}.tool-btn.danger:not(:disabled):hover{background:color-mix(in srgb,var(--destructive) 12%,transparent);color:var(--destructive)}.tool-btn:disabled{opacity:.3;cursor:not-allowed}.tool-section{border:1px solid var(--border);border-radius:10px;overflow:hidden;flex-shrink:0;background:var(--background)}.tool-section-header{display:flex;align-items:center;justify-content:space-between;width:100%;padding:7px 10px 7px 12px;background:transparent;border:none;cursor:pointer;text-align:left;transition:background .15s}.tool-section-header:hover{background:var(--muted)}.section-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:var(--muted-fg);-webkit-user-select:none;user-select:none}.collapse-icon{font-size:16px!important;color:var(--muted-fg);transition:transform .2s ease;flex-shrink:0}.tool-section.collapsed .collapse-icon{transform:rotate(180deg)}.tool-section-body{display:grid;grid-template-columns:repeat(3,36px);gap:3px;padding:4px 6px 8px;overflow:hidden;transition:max-height .25s ease,padding .25s ease,opacity .2s ease;max-height:200px;opacity:1}.tool-section.collapsed .tool-section-body{max-height:0;padding-top:0;padding-bottom:0;opacity:0}.toolbar-spacer{flex:1;min-height:8px}.toolbar-footer{display:flex;justify-content:flex-start;padding:2px 0;flex-shrink:0}#panel{position:fixed;top:60px;right:12px;bottom:12px;width:264px;background:color-mix(in srgb,var(--card) 92%,transparent);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-md);z-index:100;pointer-events:auto;display:flex;flex-direction:column;transition:opacity .2s,transform .2s;overflow:hidden}#panel.panel-hidden{opacity:0;transform:translate(10px);pointer-events:none}.panel-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border);flex-shrink:0}.panel-title{font-size:13px;font-weight:600;color:var(--foreground)}#panel-content{flex:1;overflow-y:auto;padding:16px;scrollbar-width:thin;scrollbar-color:var(--border) transparent}.panel-field{margin-bottom:16px}.panel-label{display:block;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:var(--muted-fg);margin-bottom:6px}.panel-input{width:100%;padding:7px 10px;font-size:13px;font-family:var(--font-sans);font-weight:500;color:var(--foreground);background:var(--background);border:1px solid var(--border);border-radius:8px;outline:none;transition:border-color .15s,box-shadow .15s}.panel-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 14%,transparent)}.panel-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24'%3E%3Cpath fill='%23888' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;padding-right:28px;cursor:pointer}.panel-value{font-size:13px;color:var(--muted-fg)}.panel-section{margin-bottom:20px}.panel-action-btn{display:flex;align-items:center;gap:6px;width:100%;margin-top:12px;padding:8px 12px;border-radius:8px;border:1.5px solid var(--border);background:transparent;color:var(--foreground);font-family:var(--font-sans);font-size:12px;font-weight:500;cursor:pointer;transition:background .12s,border-color .12s}.panel-action-btn .material-symbols-outlined{font-size:16px}.panel-action-btn:hover{background:color-mix(in srgb,var(--primary) 10%,transparent);border-color:var(--primary);color:var(--primary)}.panel-section-title{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:var(--muted-fg);margin-bottom:10px}.toggle-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.toggle-label{font-size:13px;font-weight:500;color:var(--foreground)}.toggle{position:relative;width:36px;height:20px;cursor:pointer}.toggle input{display:none}.toggle-track{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--muted);border-radius:20px;transition:background .2s}.toggle input:checked+.toggle-track{background:var(--primary)}.toggle-thumb{position:absolute;top:3px;left:3px;width:14px;height:14px;background:#fff;border-radius:50%;transition:transform .2s;box-shadow:var(--shadow-sm);pointer-events:none}.toggle input:checked~.toggle-thumb{transform:translate(16px)}.slider{width:100%;-webkit-appearance:none;height:4px;border-radius:4px;background:var(--muted);outline:none;cursor:pointer;accent-color:var(--primary)}.speed-labels{display:flex;justify-content:space-between;font-size:10px;color:var(--muted-fg);margin-top:4px}.type-badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:500;padding:4px 8px;border-radius:6px;background:color-mix(in srgb,var(--primary) 10%,transparent);color:var(--primary)}.type-badge .material-symbols-outlined{font-size:14px}.node-info-icon{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;background:color-mix(in srgb,var(--primary) 10%,transparent);color:var(--primary);margin-bottom:14px}.node-info-icon .material-symbols-outlined{font-size:24px}.tooltip{position:fixed;padding:5px 10px;font-size:12px;font-weight:500;color:var(--card);background:var(--foreground);border-radius:6px;pointer-events:none;z-index:300;white-space:nowrap;opacity:1;transition:opacity .1s}.tooltip.hidden{opacity:0}.connect-hint{position:fixed;bottom:24px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:8px;padding:10px 18px;font-size:13px;font-weight:500;color:var(--foreground);background:color-mix(in srgb,var(--card) 92%,transparent);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border);border-radius:40px;box-shadow:var(--shadow-md);z-index:100;transition:opacity .2s,transform .2s}.connect-hint.hidden{opacity:0;transform:translate(-50%) translateY(8px);pointer-events:none}.connect-hint .material-symbols-outlined{font-size:16px;color:var(--primary)}.connect-hint kbd{font-family:var(--font-sans);font-size:11px;padding:2px 6px;background:var(--muted);border:1px solid var(--border);border-radius:4px;color:var(--muted-fg)}.color-swatches{display:flex;gap:8px;flex-wrap:wrap}.color-swatch{width:24px;height:24px;border-radius:6px;border:2px solid transparent;cursor:pointer;transition:transform .15s,border-color .15s;outline:none}.color-swatch:hover{transform:scale(1.15)}.color-swatch.active{border-color:var(--foreground);transform:scale(1.1)}.color-swatch:focus-visible{box-shadow:0 0 0 2px var(--primary)}.icon-picker{display:grid;grid-template-columns:repeat(4,1fr);gap:4px}.icon-pick-btn{display:flex;align-items:center;justify-content:center;width:100%;aspect-ratio:1;border-radius:8px;border:1.5px solid transparent;background:transparent;color:var(--muted-fg);cursor:pointer;transition:background .12s,color .12s,border-color .12s;padding:0}.icon-pick-btn .material-symbols-outlined{font-size:18px}.icon-pick-btn:hover{background:color-mix(in srgb,var(--border) 60%,transparent);color:var(--foreground)}.icon-pick-btn.active{background:color-mix(in srgb,var(--primary) 14%,transparent);border-color:var(--primary);color:var(--primary)}#inline-editor{position:fixed;font-family:var(--font-sans);font-size:12px;font-weight:500;color:var(--foreground);background:var(--card);border:1.5px solid var(--primary);border-radius:6px;padding:3px 8px;outline:none;z-index:150;min-width:80px;text-align:center;box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 14%,transparent);display:none}#canvas{touch-action:none}body.is-mobile #toolbar,body.is-mobile #panel,body.is-mobile #toolbar-toggle,body.is-mobile #zoom-display,body.is-mobile #zoom-fit,body.is-mobile #share-btn,body.is-mobile .divider-v{display:none!important}body.is-mobile #app-header{padding:0 16px}body.is-mobile .app-logo{margin-left:0}