@import"https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap";@import"https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap";:root{font-family:Poppins,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;padding:0;width:100%;height:100vh;display:flex;place-items:stretch;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.react-flow{direction:ltr}.react-flow__container{position:absolute;width:100%;height:100%;top:0;left:0}.react-flow__pane{z-index:1;cursor:-webkit-grab;cursor:grab}.react-flow__pane.selection{cursor:pointer}.react-flow__pane.dragging{cursor:-webkit-grabbing;cursor:grabbing}.react-flow__viewport{transform-origin:0 0;z-index:2;pointer-events:none}.react-flow__renderer{z-index:4}.react-flow__selection{z-index:6}.react-flow__nodesselection-rect:focus,.react-flow__nodesselection-rect:focus-visible{outline:none}.react-flow .react-flow__edges{pointer-events:none;overflow:visible}.react-flow__edge-path,.react-flow__connection-path{stroke:#b1b1b7;stroke-width:1;fill:none}.react-flow__edge{pointer-events:visibleStroke;cursor:pointer}.react-flow__edge.animated path{stroke-dasharray:5;-webkit-animation:dashdraw .5s linear infinite;animation:dashdraw .5s linear infinite}.react-flow__edge.animated path.react-flow__edge-interaction{stroke-dasharray:none;-webkit-animation:none;animation:none}.react-flow__edge.inactive{pointer-events:none}.react-flow__edge.selected,.react-flow__edge:focus,.react-flow__edge:focus-visible{outline:none}.react-flow__edge.selected .react-flow__edge-path,.react-flow__edge:focus .react-flow__edge-path,.react-flow__edge:focus-visible .react-flow__edge-path{stroke:#555}.react-flow__edge-textwrapper{pointer-events:all}.react-flow__edge-textbg{fill:#fff}.react-flow__edge .react-flow__edge-text{pointer-events:none;-webkit-user-select:none;-moz-user-select:none;user-select:none}.react-flow__connection{pointer-events:none}.react-flow__connection .animated{stroke-dasharray:5;-webkit-animation:dashdraw .5s linear infinite;animation:dashdraw .5s linear infinite}.react-flow__connectionline{z-index:1001}.react-flow__nodes{pointer-events:none;transform-origin:0 0}.react-flow__node{position:absolute;-webkit-user-select:none;-moz-user-select:none;user-select:none;pointer-events:all;transform-origin:0 0;box-sizing:border-box;cursor:-webkit-grab;cursor:grab}.react-flow__node.dragging{cursor:-webkit-grabbing;cursor:grabbing}.react-flow__nodesselection{z-index:3;transform-origin:left top;pointer-events:none}.react-flow__nodesselection-rect{position:absolute;pointer-events:all;cursor:-webkit-grab;cursor:grab}.react-flow__handle{position:absolute;pointer-events:none;min-width:5px;min-height:5px;width:6px;height:6px;background:#1a192b;border:1px solid white;border-radius:100%}.react-flow__handle.connectionindicator{pointer-events:all;cursor:crosshair}.react-flow__handle-bottom{top:auto;left:50%;bottom:-4px;transform:translate(-50%)}.react-flow__handle-top{left:50%;top:-4px;transform:translate(-50%)}.react-flow__handle-left{top:50%;left:-4px;transform:translateY(-50%)}.react-flow__handle-right{right:-4px;top:50%;transform:translateY(-50%)}.react-flow__edgeupdater{cursor:move;pointer-events:all}.react-flow__panel{position:absolute;z-index:5;margin:15px}.react-flow__panel.top{top:0}.react-flow__panel.bottom{bottom:0}.react-flow__panel.left{left:0}.react-flow__panel.right{right:0}.react-flow__panel.center{left:50%;transform:translate(-50%)}.react-flow__attribution{font-size:10px;background:#ffffff80;padding:2px 3px;margin:0}.react-flow__attribution a{text-decoration:none;color:#999}@-webkit-keyframes dashdraw{0%{stroke-dashoffset:10}}@keyframes dashdraw{0%{stroke-dashoffset:10}}.react-flow__edgelabel-renderer{position:absolute;width:100%;height:100%;pointer-events:none;-webkit-user-select:none;-moz-user-select:none;user-select:none}.react-flow__edge.updating .react-flow__edge-path{stroke:#777}.react-flow__edge-text{font-size:10px}.react-flow__node.selectable:focus,.react-flow__node.selectable:focus-visible{outline:none}.react-flow__node-default,.react-flow__node-input,.react-flow__node-output,.react-flow__node-group{padding:10px;border-radius:3px;width:150px;font-size:12px;color:#222;text-align:center;border-width:1px;border-style:solid;border-color:#1a192b;background-color:#fff}.react-flow__node-default.selectable:hover,.react-flow__node-input.selectable:hover,.react-flow__node-output.selectable:hover,.react-flow__node-group.selectable:hover{box-shadow:0 1px 4px 1px #00000014}.react-flow__node-default.selectable.selected,.react-flow__node-default.selectable:focus,.react-flow__node-default.selectable:focus-visible,.react-flow__node-input.selectable.selected,.react-flow__node-input.selectable:focus,.react-flow__node-input.selectable:focus-visible,.react-flow__node-output.selectable.selected,.react-flow__node-output.selectable:focus,.react-flow__node-output.selectable:focus-visible,.react-flow__node-group.selectable.selected,.react-flow__node-group.selectable:focus,.react-flow__node-group.selectable:focus-visible{box-shadow:0 0 0 .5px #1a192b}.react-flow__node-group{background-color:#f0f0f040}.react-flow__nodesselection-rect,.react-flow__selection{background:#0059dc14;border:1px dotted rgba(0,89,220,.8)}.react-flow__nodesselection-rect:focus,.react-flow__nodesselection-rect:focus-visible,.react-flow__selection:focus,.react-flow__selection:focus-visible{outline:none}.react-flow__controls{box-shadow:0 0 2px 1px #00000014}.react-flow__controls-button{border:none;background:#fefefe;border-bottom:1px solid #eee;box-sizing:content-box;display:flex;justify-content:center;align-items:center;width:16px;height:16px;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none;padding:5px}.react-flow__controls-button:hover{background:#f4f4f4}.react-flow__controls-button svg{width:100%;max-width:12px;max-height:12px}.react-flow__controls-button:disabled{pointer-events:none}.react-flow__controls-button:disabled svg{fill-opacity:.4}.react-flow__minimap{background-color:#fff}.react-flow__minimap svg{display:block}.react-flow__resize-control{position:absolute}.react-flow__resize-control.left,.react-flow__resize-control.right{cursor:ew-resize}.react-flow__resize-control.top,.react-flow__resize-control.bottom{cursor:ns-resize}.react-flow__resize-control.top.left,.react-flow__resize-control.bottom.right{cursor:nwse-resize}.react-flow__resize-control.bottom.left,.react-flow__resize-control.top.right{cursor:nesw-resize}.react-flow__resize-control.handle{width:4px;height:4px;border:1px solid #fff;border-radius:1px;background-color:#3367d9;transform:translate(-50%,-50%)}.react-flow__resize-control.handle.left{left:0;top:50%}.react-flow__resize-control.handle.right{left:100%;top:50%}.react-flow__resize-control.handle.top{left:50%;top:0}.react-flow__resize-control.handle.bottom{left:50%;top:100%}.react-flow__resize-control.handle.top.left,.react-flow__resize-control.handle.bottom.left{left:0}.react-flow__resize-control.handle.top.right,.react-flow__resize-control.handle.bottom.right{left:100%}.react-flow__resize-control.line{border-color:#3367d9;border-width:0;border-style:solid}.react-flow__resize-control.line.left,.react-flow__resize-control.line.right{width:1px;transform:translate(-50%);top:0;height:100%}.react-flow__resize-control.line.left{left:0;border-left-width:1px}.react-flow__resize-control.line.right{left:100%;border-right-width:1px}.react-flow__resize-control.line.top,.react-flow__resize-control.line.bottom{height:1px;transform:translateY(-50%);left:0;width:100%}.react-flow__resize-control.line.top{top:0;border-top-width:1px}.react-flow__resize-control.line.bottom{border-bottom-width:1px;top:100%}.mindmap-container{width:100vw;height:100vh;background:#1a1a1a;display:flex;flex-direction:column}.reactflow-area{position:relative;flex:1 1 auto;min-height:0;min-width:0;width:100%;height:100%}.mindmap-title-input{position:fixed;top:20px;left:20px;width:280px;padding:12px 18px;background:#1e1e1e99;backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);border-radius:12px;border:1px solid rgba(255,255,255,.18);box-shadow:0 8px 32px #0006,inset 0 1px #ffffff26,inset 0 -1px #0003;color:#e0e0e0;font-size:16px;font-weight:600;font-family:Poppins,sans-serif;z-index:1000;transition:all .3s ease;outline:2px solid transparent;outline-offset:2px}.mindmap-title-input:focus{background:#282828b3;border-color:#667eea80;outline:2px solid rgba(102,126,234,.4)}.mindmap-title-input::placeholder{color:#666}.side-menu-toggle{position:fixed;top:50vh;left:0;transform:translateY(-50%);width:48px;height:80px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#ff9800,#ff5722);backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);border-radius:0 12px 12px 0;border:none;color:#fff;font-size:28px;cursor:pointer;z-index:1002;transition:left .3s cubic-bezier(.4,0,.2,1);box-shadow:none;outline:none;-webkit-tap-highlight-color:transparent}.side-menu-toggle svg{width:28px;height:28px}.side-menu-toggle.open{left:320px}.side-menu-toggle:focus,.side-menu-toggle:active{outline:none;box-shadow:none}.side-menu{position:fixed;top:0;left:-320px;width:320px;height:100vh;background:#1e1e1e99;backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);border-right:1px solid rgba(255,255,255,.18);box-shadow:8px 0 32px #0006,inset -1px 0 #ffffff1a;z-index:1001;transition:left .3s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;font-family:Poppins,sans-serif}.side-menu.open{left:0}.side-menu-header{padding:30px 24px;border-bottom:1px solid rgba(255,255,255,.1)}.side-menu-header h2{margin:0;font-size:24px;font-weight:600;color:#e0e0e0;background:linear-gradient(135deg,#ff9800,#ff5722);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.current-mindmap-name{margin:8px 0 0;font-size:13px;color:#888;font-weight:400}.mindmap-actions{padding:0;display:flex;gap:0}.action-btn{flex:1;display:flex;align-items:center;justify-content:center;padding:14px 0;border:none;border-radius:0;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease;font-family:Poppins,sans-serif}.action-btn svg{font-size:18px}.new-btn{background:#4caf5026;color:#4caf50}.new-btn:hover{background:#4caf5040}.save-btn{background:#ff980026;color:#ff9800}.save-btn:hover{background:#ff980040}.recent-mindmaps{padding:0 0 20px;max-height:300px;overflow-y:auto}.recent-mindmaps h3{margin:0 0 0 16px;padding:16px 0 12px;font-size:14px;font-weight:600;color:#b0b0b0;text-transform:uppercase;letter-spacing:.5px}.no-mindmaps{font-size:13px;color:#666;text-align:center;padding:20px 16px;margin:0}.mindmap-list{display:flex;flex-direction:column;gap:0}.mindmap-item{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;transition:all .2s ease;border-left:none;border-right:none;border-top:1px solid rgba(255,255,255,.05);border-bottom:1px solid rgba(255,255,255,.05);box-shadow:none!important;outline:none!important}.mindmap-item:hover{background:#ffffff08}.mindmap-info{flex:1;display:flex;align-items:center;justify-content:space-between;cursor:pointer;gap:12px;border:none!important;box-shadow:none!important;outline:none!important}.mindmap-name{font-size:13px;font-weight:500;color:#e0e0e0;flex:1;text-align:left}.mindmap-date{font-size:11px;color:#666;white-space:nowrap;text-align:right}.delete-mindmap-btn{background:none;border:none;color:#666;cursor:pointer;padding:4px;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.delete-mindmap-btn:hover{color:#ff6b6b}.delete-mindmap-btn svg{font-size:14px}.side-menu-nav{padding:20px 0;overflow-y:auto}.side-menu-item{display:flex;align-items:center;gap:16px;padding:14px 24px;color:#b0b0b0;text-decoration:none;font-size:15px;font-weight:500;transition:all .2s ease}.side-menu-item svg{font-size:22px;min-width:22px}.side-menu-item:hover{background:#ffffff0d;color:#e0e0e0}.side-menu-item.active{background:#667eea1a;color:#667eea}.side-menu-auth{padding:0;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-direction:row;gap:0;margin-top:auto}.auth-btn{flex:1;padding:16px 0;border:none;border-radius:0;font-size:15px;font-weight:600;cursor:pointer;transition:all .2s ease;font-family:Poppins,sans-serif}.login-btn{background:#667eea26;color:#667eea;border-right:1px solid rgba(255,255,255,.1)}.login-btn:hover{background:#667eea40}.register-btn{background:#764ba226;color:#764ba2}.register-btn:hover{background:#764ba240}.mindmap-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:12px 24px;background:#2d2d2df2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid #3d3d3d;z-index:10}.toolbar-section{display:flex;align-items:center;gap:12px}.zoom-section{gap:8px}.toolbar-btn{display:flex;align-items:center;gap:8px;padding:8px 16px;border:none;border-radius:8px;font-weight:600;font-size:14px;cursor:pointer;transition:all .2s ease;background:transparent;color:#e0e0e0;border:1px solid #4a4a4a}.toolbar-btn:hover{background:#ffffff0d;border-color:#667eea;transform:translateY(-1px)}.toolbar-btn.primary{background:#667eea;border-color:#667eea;color:#fff}.toolbar-btn.primary:hover{background:#5568d3;border-color:#5568d3}.toolbar-btn.danger{border-color:#ff6b6b;color:#ff6b6b}.toolbar-btn.danger:hover{background:#ff6b6b1a;border-color:#ff5252}.toolbar-btn.secondary{padding:8px 12px;min-width:36px;justify-content:center;font-size:18px;font-weight:700}.btn-icon{font-size:18px;font-weight:700;line-height:1}.zoom-display{padding:8px 16px;background:#0000004d;border-radius:8px;color:#e0e0e0;font-weight:600;font-size:13px;min-width:60px;text-align:center;border:1px solid #3d3d3d}.zoom-menu{position:fixed;bottom:20px;right:20px;display:flex;align-items:center;justify-content:center;gap:8px;padding:8px 14px;background:#1e1e1e66;backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);border-radius:50px;border:1px solid rgba(255,255,255,.18);box-shadow:0 8px 32px #0006,inset 0 1px #ffffff26,inset 0 -1px #0003;z-index:1000;transition:all .3s cubic-bezier(.4,0,.2,1)}.zoom-btn{width:32px;height:32px;min-width:32px;min-height:32px;display:flex;align-items:center;justify-content:center;padding:0;background:#ffffff14;border:1px solid rgba(255,255,255,.15);border-radius:50%;color:#e0e0e0;font-size:16px;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden;flex-shrink:0;box-shadow:inset 0 1px #ffffff1a}.zoom-btn svg{width:16px;height:16px;display:block}.zoom-btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#667eea33;transform:translate(-50%,-50%);transition:width .3s,height .3s}.zoom-btn:hover:before{width:100%;height:100%}.zoom-btn:hover{background:#667eea26;border-color:#667eea4d;color:#fff;transform:scale(1.05);box-shadow:0 4px 12px #667eea33}.zoom-btn:active{transform:scale(.95)}.zoom-btn.active{background:#667eea33;border:1px solid rgba(102,126,234,.4)}.zoom-btn.fit-btn{margin-right:6px;position:relative}.zoom-btn.fit-btn:after{content:"";position:absolute;right:-7px;top:50%;transform:translateY(-50%);width:1px;height:20px;background:#ffffff26}.zoom-btn.fit-btn svg{width:18px;height:18px}.zoom-slider{width:100px;height:6px;border-radius:3px;background:#ffffff1a;outline:none;-webkit-appearance:none;appearance:none;cursor:pointer;margin:0 6px;position:relative;align-self:center;box-shadow:inset 0 1px 2px #0000004d}.zoom-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;background:linear-gradient(135deg,#667eea,#5568d3);cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:0 2px 6px #667eea66,0 0 0 2px #667eea33,inset 0 1px #ffffff4d;border:1.5px solid rgba(255,255,255,.9);margin-top:-5px}.zoom-slider::-webkit-slider-thumb:hover{background:linear-gradient(135deg,#7b8ff0,#667eea);transform:scale(1.2);box-shadow:0 4px 12px #667eea99,0 0 0 4px #667eea4d}.zoom-slider::-webkit-slider-thumb:active{transform:scale(1.1)}.zoom-slider::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:linear-gradient(135deg,#667eea,#5568d3);cursor:pointer;border:1.5px solid rgba(255,255,255,.9);transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:0 2px 6px #667eea66,0 0 0 2px #667eea33,inset 0 1px #ffffff4d;margin-top:0}.zoom-slider::-moz-range-thumb:hover{background:linear-gradient(135deg,#7b8ff0,#667eea);transform:scale(1.2);box-shadow:0 4px 12px #667eea99,0 0 0 4px #667eea4d}.zoom-slider::-webkit-slider-runnable-track{height:6px;border-radius:3px;background:transparent}.zoom-slider::-moz-range-track{height:6px;border-radius:3px;background:transparent}.zoom-percentage{min-width:42px;padding:5px 10px;text-align:center;color:#fff;font-size:12px;font-weight:700;-webkit-user-select:none;user-select:none;background:#667eea33;border-radius:12px;border:1px solid rgba(102,126,234,.3);letter-spacing:.3px;text-shadow:0 1px 2px rgba(0,0,0,.3);margin-left:3px;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:inset 0 1px #ffffff26}.format-menu{position:fixed;bottom:20px;left:50%;transform:translate(-50%);display:flex;align-items:center;justify-content:center;gap:12px;padding:10px 18px;background:#1e1e1e66;backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);border-radius:50px;border:1px solid rgba(255,255,255,.18);box-shadow:0 8px 32px #0006,inset 0 1px #ffffff26,inset 0 -1px #0003;z-index:1000;transition:all .3s cubic-bezier(.4,0,.2,1)}.add-node-floating-btn{position:fixed;bottom:20px;left:50%;transform:translate(calc(-50% - 300px));display:flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;height:56px;background:#1e1e1e66;backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);border-radius:50px;border:1px solid rgba(255,255,255,.18);box-shadow:0 8px 32px #0006,inset 0 1px #ffffff26,inset 0 -1px #0003;color:#e0e0e0;font-size:14px;font-weight:600;cursor:pointer;z-index:1000;transition:all .3s cubic-bezier(.4,0,.2,1);outline:2px solid transparent;outline-offset:2px}.add-node-floating-btn svg{font-size:20px}.add-node-floating-btn:hover{background:#28282880;border:1px solid rgba(76,175,80,.3);box-shadow:0 12px 40px #00000080,inset 0 1px #fff3,inset 0 -1px #0000004d;outline:2px solid rgba(76,175,80,.4)}.add-node-floating-btn:active{transform:translate(calc(-50% - 300px)) scale(.95)}.delete-node-floating-btn{position:fixed;bottom:20px;left:50%;transform:translate(calc(-50% + 300px));display:flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;height:56px;background:#1e1e1e66;backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);border-radius:50px;border:1px solid rgba(255,255,255,.18);box-shadow:0 8px 32px #0006,inset 0 1px #ffffff26,inset 0 -1px #0003;color:#e0e0e0;font-size:14px;font-weight:600;cursor:pointer;z-index:1000;transition:all .3s cubic-bezier(.4,0,.2,1);outline:2px solid transparent;outline-offset:2px}.delete-node-floating-btn svg{font-size:20px}.delete-node-floating-btn:hover{background:#28282880;border:1px solid rgba(255,107,107,.3);box-shadow:0 12px 40px #00000080,inset 0 1px #fff3,inset 0 -1px #0000004d;outline:2px solid rgba(255,107,107,.4)}.delete-node-floating-btn:active{transform:translate(calc(-50% + 300px)) scale(.95)}.format-section{display:flex;align-items:center;gap:6px}.format-divider{width:1px;height:24px;background:#ffffff26;margin:0 4px}.format-btn{width:34px;height:34px;min-width:34px;min-height:34px;display:flex;align-items:center;justify-content:center;padding:0;background:#ffffff14;border:1px solid rgba(255,255,255,.15);border-radius:50%;color:#e0e0e0;font-size:18px;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden;flex-shrink:0;box-shadow:inset 0 1px #ffffff1a}.format-btn svg{width:18px;height:18px;display:block}.format-btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#667eea33;transform:translate(-50%,-50%);transition:width .3s,height .3s}.format-btn:active{transform:scale(.95)}.format-value{min-width:40px;padding:6px 10px;text-align:center;color:#fff;font-size:11px;font-weight:700;-webkit-user-select:none;user-select:none;background:#667eea26;border-radius:12px;border:1px solid rgba(102,126,234,.25);letter-spacing:.3px;box-shadow:inset 0 1px #ffffff1a}.format-icon{width:20px;height:20px;color:#e0e0e0;margin-right:4px}.color-preview{width:24px;height:24px;border-radius:50%;border:2px solid rgba(255,255,255,.3);box-shadow:inset 0 1px #fff3,0 2px 6px #0000004d;margin-right:6px;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);position:relative}.color-preview:after{content:"";position:absolute;inset:-6px;border-radius:50%;border:2px solid transparent;transition:all .2s cubic-bezier(.4,0,.2,1)}.color-preview:hover:after{border-color:#667eea66;box-shadow:0 0 0 4px #667eea1a}.color-picker{width:36px;height:36px;border:2px solid rgba(255,255,255,.2);border-radius:50%;cursor:pointer;overflow:hidden;background:transparent;transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:inset 0 1px #ffffff26,0 2px 8px #0000004d;opacity:0;position:absolute}.react-flow__node{border-radius:8px;font-family:Arial,sans-serif}.mindmap-node{padding:0;border-radius:8px;background:#fff;overflow:visible}.node-content{display:flex;flex-direction:column;align-items:stretch;padding:0;position:relative}.edit-indicator{position:absolute;bottom:-20px;left:4px;font-size:10px;color:#888;font-weight:400;pointer-events:none;z-index:1000}.node-textarea{background:#fff;border:3px solid #555;border-radius:6px;padding:10px;font-size:15px;font-weight:500;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:#1a1a1a;resize:none;outline:none;min-height:50px;min-width:150px;max-width:600px;box-sizing:border-box;line-height:1.5;display:block;overflow:hidden;word-wrap:break-word;white-space:pre-wrap}.node-textarea .color-picker::-webkit-color-swatch-wrapper{padding:0}.node-textarea .color-picker::-webkit-color-swatch{border:none;border-radius:50%}.node-textarea .color-picker::-moz-color-swatch{border:none;border-radius:50%}.hidden-measure{position:absolute;visibility:hidden;white-space:pre;font-size:15px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.node-textarea:focus{border-color:#ff9800}.node-textarea::placeholder{color:#999;font-weight:400}.custom-handle{width:12px;height:12px;background:#ff9800;border:2px solid white;z-index:10;opacity:0;transition:all .2s ease}.custom-handle.has-connection{opacity:1}.custom-handle.react-flow__handle-top{left:50%;top:-6px;transform:translate(-50%)}.custom-handle.react-flow__handle-bottom{left:50%;bottom:-6px;transform:translate(-50%)}.custom-handle.react-flow__handle-left{top:50%;left:-6px;transform:translateY(-50%)}.custom-handle.react-flow__handle-right{top:50%;right:-6px;transform:translateY(-50%)}.mindmap-node:hover .custom-handle.react-flow__handle-top,.mindmap-node:hover .custom-handle.react-flow__handle-bottom{opacity:1;transform:translate(-50%)}.mindmap-node:hover .custom-handle.react-flow__handle-left,.mindmap-node:hover .custom-handle.react-flow__handle-right{opacity:1;transform:translateY(-50%)}.custom-handle:hover{background:#ff5722}.react-flow__edge-path{stroke-width:3;stroke:#666;stroke-linecap:round}.react-flow__edge.selected .react-flow__edge-path{stroke:#ff9800;stroke-width:4;stroke-linecap:round}.react-flow__handle{width:10px;height:10px;background:#ff9800;border:2px solid white;z-index:10}.react-flow__controls{border-radius:8px;overflow:hidden;border:1px solid #3d3d3d;background:#2d2d2d}.react-flow__controls-button{background:#2d2d2d;border-bottom:1px solid #3d3d3d;color:#e0e0e0}.react-flow__controls-button:hover{background:#3d3d3d}.react-flow__minimap{background:#2d2d2dcc;-webkit-backdrop-filter:blur(12px) saturate(150%);backdrop-filter:blur(12px) saturate(150%);border-radius:12px;border:1px solid rgba(102,126,234,.3);box-shadow:0 8px 32px #0006,inset 0 1px #ffffff1a;margin:16px;overflow:hidden}.react-flow__background{background:#1a1a1a}.react-flow__node.selected .mindmap-node .node-textarea{border-color:#ff9800}.mindmap-toolbar{display:flex;align-items:center;gap:12px;padding:15px 20px;background:linear-gradient(135deg,#667eea,#764ba2);box-shadow:0 2px 8px #00000026;flex-wrap:wrap}.toolbar-spacer{flex:1}.btn{padding:10px 16px;border:none;border-radius:6px;background:#fff;color:#333;font-weight:600;cursor:pointer;transition:all .3s ease;font-size:14px}.btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #0003}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-add{background:#4ecdc4;color:#fff}.btn-add:hover:not(:disabled){background:#3ab3ab}.btn-delete{background:#ff6b6b;color:#fff}.btn-delete:hover:not(:disabled){background:#ff5252}.btn-reset{background:#ffa07a;color:#fff}.btn-reset:hover:not(:disabled){background:#ff8c6b}.zoom-display{color:#fff;font-weight:600;font-size:14px;min-width:100px}.mindmap-canvas{flex:1;cursor:grab;background-color:#fff;width:100%;height:100%;margin:0;padding:0;display:block}.mindmap-canvas:active{cursor:grabbing}.node-editor{position:fixed;top:80px;right:20px;background:#fff;border-radius:12px;padding:20px;box-shadow:0 8px 24px #00000026;width:280px;z-index:100;border:2px solid #667eea}.editor-section{margin-bottom:20px}.editor-section:last-child{margin-bottom:0}.editor-section label{display:block;font-weight:700;margin-bottom:10px;color:#333;font-size:14px}.edit-input-group{display:flex;gap:8px}.edit-input-group input{flex:1;padding:10px 12px;border:2px solid #e0e0e0;border-radius:6px;font-size:14px;font-family:inherit;transition:border-color .3s}.edit-input-group input:focus{outline:none;border-color:#667eea}.text-display{display:flex;align-items:center;gap:10px;padding:10px 12px;background:#f5f5f5;border-radius:6px;border:2px solid #e0e0e0;min-height:40px}.text-display span{flex:1;word-break:break-word;font-size:14px;color:#333}.btn-small{padding:6px 12px;background:#667eea;color:#fff;border:none;border-radius:4px;cursor:pointer;font-weight:600;font-size:12px;transition:all .2s;white-space:nowrap}.btn-small:hover{background:#5568d3;transform:translateY(-1px)}.color-picker{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.color-btn{width:100%;aspect-ratio:1;border:3px solid transparent;border-radius:8px;cursor:pointer;transition:all .2s;box-shadow:0 2px 6px #0000001a}.color-btn:hover{transform:scale(1.1);box-shadow:0 4px 12px #0003}.color-btn.active{border-color:#333;box-shadow:0 0 0 2px #fff,0 0 0 4px #333}.mindmap-info{padding:12px 20px;font-size:13px;color:#666;border-top:1px solid #ddd;text-align:center}@media(max-width:768px){.mindmap-toolbar{padding:10px 15px;gap:8px}.btn{padding:8px 12px;font-size:12px}.node-editor{width:250px;padding:15px;top:70px;right:10px}.mindmap-canvas{width:100%}.zoom-menu{right:12px;bottom:12px;padding:6px 10px;gap:6px}.zoom-slider{width:80px}.add-node-floating-btn,.delete-node-floating-btn{height:48px;padding:8px 14px}.add-node-floating-btn{transform:translate(calc(-50% - 220px))}.delete-node-floating-btn{transform:translate(calc(-50% + 220px))}.format-menu{padding:8px 14px;gap:8px}}@media(max-width:480px){.mindmap-toolbar{flex-direction:column;align-items:stretch}.btn{width:100%}.toolbar-spacer{display:none}.zoom-display{text-align:center}.node-editor{width:calc(100% - 40px);right:20px;left:20px}.zoom-menu{right:10px;bottom:10px;padding:5px 8px;gap:4px}.zoom-slider{width:70px}.format-menu{left:12px;right:12px;bottom:58px;transform:none;justify-content:space-between;border-radius:16px;padding:8px 12px;gap:8px}.add-node-floating-btn,.delete-node-floating-btn{bottom:108px;width:calc(50% - 14px);height:44px;padding:8px 12px;border-radius:14px;transform:none}.add-node-floating-btn{left:12px}.delete-node-floating-btn{right:12px}}#root{width:100%;height:100vh;margin:0;padding:0;display:flex;flex-direction:column}.logo{height:6em;padding:1.5em;will-change:filter;transition:filter .3s}.logo:hover{filter:drop-shadow(0 0 2em #646cffaa)}.logo.react:hover{filter:drop-shadow(0 0 2em #61dafbaa)}@keyframes logo-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media(prefers-reduced-motion:no-preference){a:nth-of-type(2) .logo{animation:logo-spin infinite 20s linear}}.card{padding:2em}.read-the-docs{color:#888}