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var(--bg-color) 90%, transparent);--glass-border: rgba(0, 0, 0, .06);--tree-line-color: rgba(0, 0, 0, .08)}.theme-nature{--bg-color: #f0fdf4;--surface: #ffffff;--text-primary: #14532d;--text-secondary: #15803d;--accent-color: #22c55e;--glass-bg: color-mix(in srgb, var(--bg-color) 90%, transparent);--glass-border: rgba(0, 0, 0, .06);--tree-line-color: rgba(0, 0, 0, .08)}.theme-ocean{--bg-color: #f0f9ff;--surface: #ffffff;--text-primary: #0c4a6e;--text-secondary: #0369a1;--accent-color: #0ea5e9;--glass-bg: color-mix(in srgb, var(--bg-color) 90%, transparent);--glass-border: rgba(0, 0, 0, .06);--tree-line-color: rgba(0, 0, 0, .08)}.theme-midnight{--bg-color: #000000;--surface: #121212;--text-primary: #ffffff;--text-secondary: #d4d4d4;--accent-color: #d946ef;--glass-bg: color-mix(in srgb, var(--bg-color) 85%, transparent);--glass-border: rgba(255, 255, 255, .2)}.theme-twilight{--bg-color: #120f18;--surface: #1e1929;--text-primary: #faf8ff;--text-secondary: #d8b4fe;--accent-color: #c084fc;--glass-bg: color-mix(in srgb, var(--bg-color) 80%, transparent);--glass-border: rgba(255, 255, 255, .08)}.theme-arctic{--bg-color: #1d2129;--surface: #262c38;--text-primary: #ffffff;--text-secondary: #ccd6e0;--accent-color: #88c0d0;--glass-bg: color-mix(in srgb, var(--bg-color) 80%, transparent);--glass-border: rgba(255, 255, 255, .08)}.theme-retro{--bg-color: #161512;--surface: #24211d;--text-primary: #fdf6e3;--text-secondary: #d5c4a1;--accent-color: #d79921;--glass-bg: color-mix(in srgb, var(--bg-color) 80%, transparent);--glass-border: rgba(235, 219, 178, .08)}.style-default{--font-sans: "Inter", system-ui, sans-serif;--radius-md: .5rem;--radius-lg: 1rem}.style-engineering{--font-sans: "Roboto Mono", monospace;--radius-md: 0px;--radius-lg: 0px;--border-width: 2px;--glass-border: var(--accent-color)}.style-scientific{--font-sans: "Merriweather", serif;--radius-md: 4px;--radius-lg: 4px;--glass-bg: var(--bg-color)}.style-minimalistic{--font-sans: "Inter", sans-serif;--radius-md: 12px;--radius-lg: 24px;--border-width: 0px;--glass-shadow: 0 4px 12px rgba(0, 0, 0, .05);--glass-border: transparent}.style-artistic{--font-sans: "Coming Soon", cursive;--radius-md: 255px 15px 225px 15px / 15px 225px 15px 255px;--radius-lg: 255px 15px 225px 15px / 15px 225px 15px 255px;--border-width: 2px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-color);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100vh}input,textarea,button{font-family:inherit;color:inherit}button{cursor:pointer;border:none;background:none}.glass{background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);box-shadow:var(--glass-shadow)}.fade-in{animation:fadeIn .3s ease-out forwards}.flex-center{display:flex;align-items:center;justify-content:center}.container{max-width:1200px;margin:0 auto;padding:.5rem 2rem}.node-children{border-left:1px solid var(--tree-line-color);margin-left:.85rem!important;padding-left:1rem;position:relative}.rich-text-content a,.editor-content a{color:var(--accent-color);text-decoration:underline}.editor-content ul,.editor-content ol,.rich-text-content ul,.rich-text-content ol{padding-left:1.5rem;margin-bottom:.5rem}.editor-content li,.rich-text-content li{margin-bottom:.25rem}:root{--bg-color: #0f0f13;--surface: #18181b;--surface-hover: #27272a;--primary: #8b5cf6;--accent-color: #ffd700;--text-primary: #f4f4f5;--text-secondary: #a1a1aa;--glass-bg: rgba(24, 24, 27, .6);--glass-border: rgba(255, 255, 255, .1);--radius-lg: 12px;--radius-md: 8px;--radius-sm: 4px}body{margin:0;background-color:var(--bg-color);color:var(--text-primary);font-family:Inter,sans-serif;height:100vh;overflow:hidden}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--surface-hover);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}.glass{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--glass-border)}button{font-family:inherit;-webkit-app-region:no-drag}.control-btn{background:transparent;border:none;color:var(--text-secondary);padding:.45rem;border-radius:var(--radius-sm);cursor:pointer;transition:all .2s;font-size:1.1rem;display:inline-flex;align-items:center;justify-content:center;min-width:2rem;min-height:2rem;-webkit-app-region:no-drag}.control-btn:hover:not(:disabled){background:#ffffff1a;color:var(--text-primary)}.control-btn:disabled{cursor:not-allowed;opacity:.3}.control-btn-divider{width:1px;height:1.25rem;background:var(--glass-border);margin:0 .25rem;flex-shrink:0}@keyframes shiny{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}@keyframes float{0%{transform:translateY(0) rotate(0)}50%{transform:translateY(-5px) rotate(5deg)}to{transform:translateY(0) rotate(0)}}.branded-title{font-size:2.5rem;font-weight:800;margin:0;text-align:right;background:linear-gradient(45deg,#ff6b6b,#4ecdc4,#ffe66d,#ff6b6b);background-size:300% 300%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shiny 5s ease infinite;text-shadow:0 0 15px rgba(78,205,196,.2);letter-spacing:-1px}.brand-logo{height:48px;animation:float 3s ease-in-out infinite}.fade-in{animation:fadeIn .3s ease-in-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}.expand-trigger.can-expand:hover{background:transparent!important;box-shadow:none!important}.expand-trigger.can-expand:hover:after{border:none;content:"";position:absolute;inset:90% auto auto 20px;width:25px;height:25px;border-top:2px solid var(--accent-color);border-right:2px solid var(--accent-color);border-radius:0 6px 0 0;pointer-events:none;box-sizing:border-box;animation:trace-L-shape .3s cubic-bezier(.4,0,.2,1) forwards;clip-path:polygon(0 0,0 0,0 0)}.expand-trigger.can-expand:hover:before{content:"";position:absolute;top:calc(90% + 21px);left:39px;border-left:5px solid transparent;border-right:5px solid transparent;border-top:6px solid var(--accent-color);opacity:0;pointer-events:none;animation:show-tip .1s linear .25s forwards}.expand-trigger.can-expand.is-expanded:hover:after{border-top:2px solid var(--accent-color);border-right:2px solid var(--accent-color);border-bottom:none;border-radius:0 6px 0 0;top:90%;animation:trace-L-reverse .3s cubic-bezier(.4,0,.2,1) forwards}.expand-trigger.can-expand.is-expanded:hover:before{border-top:5px solid transparent;border-bottom:5px solid transparent;border-right:6px solid var(--accent-color);border-left:none;top:calc(90% - 4px);left:14px;animation:show-tip-reverse .1s linear .25s forwards}@keyframes trace-L-shape{0%{clip-path:inset(0 100% 100% 0)}50%{clip-path:inset(0 0 100% 0)}to{clip-path:inset(0 0 0 0)}}@keyframes trace-L-reverse{0%{clip-path:inset(100% 0 0 23px)}50%{clip-path:inset(0 0 0 23px)}to{clip-path:inset(0 0 0 0)}}@keyframes trace-L-reverse{0%{clip-path:inset(0 0 100% 100%)}50%{clip-path:inset(0 0 0 100%)}to{clip-path:inset(0 0 0 0)}}@keyframes show-tip{to{opacity:1;transform:translateY(2px)}}@keyframes show-tip-reverse{to{opacity:1;transform:translate(-2px)}}.port-blink from{opacity:0;transform:translateY(5px)}.port-blink to{opacity:1;transform:translateY(0)}@keyframes flash-highlight{0%{color:var(--accent-color);text-shadow:0 0 5px var(--accent-color);transform:scale(1.2)}50%{color:#fff;text-shadow:0 0 10px var(--accent-color);transform:scale(1.1)}to{color:var(--accent-color);transform:scale(1)}}.tree-flash{animation:flash-highlight .6s ease-out}@keyframes bob-down{0%,to{transform:translateY(-50%) translateY(0);opacity:.6}50%{transform:translateY(-50%) translateY(3px);opacity:1}}.context-arrow{animation:bob-down 1s infinite ease-in-out}.app-container{height:100vh}.drag-handle{border-radius:var(--radius-sm);padding:0 4px;transition:all .2s ease;position:relative;user-select:none;-webkit-user-select:none}.drag-handle:hover{background:#ffd70026;box-shadow:0 0 0 1px #ffd7004d;cursor:grab}.drag-handle:active{cursor:grabbing;background:#ffd70040}.drag-handle:hover:after{content:"";position:absolute;inset:-2px;border-radius:var(--radius-md);border:1px dashed var(--accent-color);opacity:.5;pointer-events:none}.port-source,.port-target{position:relative}.port-source:after{content:"";position:absolute;inset:0;border-radius:50%;border:1px solid var(--accent-color);opacity:0;z-index:-1;pointer-events:none}.port-source:hover:after{animation:flowOut 1.5s infinite cubic-bezier(0,0,.2,1)}@keyframes flowOut{0%{transform:scale(1);opacity:.8}to{transform:scale(3);opacity:0}}.port-target:after{content:"";position:absolute;inset:0;border-radius:50%;border:1px solid var(--accent-color);opacity:0;z-index:-1;pointer-events:none}.port-target:hover:after{animation:flowIn 1.5s infinite cubic-bezier(0,0,.2,1)}@keyframes flowIn{0%{transform:scale(3);opacity:0;border-width:1px}50%{opacity:.8}to{transform:scale(1);opacity:.8;border-width:2px}}@keyframes portBlink{0%{box-shadow:0 0 0 0 var(--accent-color);opacity:.7}50%{box-shadow:0 0 0 4px var(--accent-color);opacity:.5}to{box-shadow:0 0 0 0 var(--accent-color);opacity:.7}}.port-blink{animation:portBlink .6s infinite ease-in-out;border-color:var(--accent-color)!important;background:#fff!important}.port-blink{animation:portBlink 1s infinite ease-in-out;border-color:var(--accent-color)!important;background:#fff!important}.timestamp-label{position:relative;border-bottom:2px solid transparent;border-bottom:2px dotted #10b981;background-color:transparent;cursor:help;transition:all .2s ease;border-radius:2px}.timestamp-label:hover{background-color:#10b98133;border-bottom:2px solid #10b981;color:var(--text-primary)}.timestamp-label:hover:after{content:attr(data-label);position:absolute;bottom:100%;left:50%;transform:translate(-50%);margin-bottom:8px;background:var(--surface);color:var(--text-primary);border:1px solid var(--glass-border);padding:6px 10px;border-radius:6px;font-size:.8rem;font-weight:500;white-space:nowrap;z-index:1000;box-shadow:0 4px 12px #0000004d;animation:fadeIn .15s ease-out;pointer-events:none}.timestamp-label:hover:before{content:"";position:absolute;bottom:100%;left:50%;transform:translate(-50%);margin-bottom:2px;border-width:6px;border-style:solid;border-color:var(--surface) transparent transparent transparent;z-index:1000;pointer-events:none}.timestamp-label[data-v=bottom]:hover:after,.timestamp-label[data-v=bottom]:hover:before{bottom:auto!important;top:100%!important;margin-bottom:0!important}.timestamp-label[data-v=bottom]:hover:after{margin-top:8px}.timestamp-label[data-v=bottom]:hover:before{margin-top:2px;border-color:transparent transparent var(--surface) transparent!important}.timestamp-label[data-h=right]:hover:after{left:0!important;transform:none!important}.timestamp-label[data-h=right]:hover:before{left:10px!important;transform:none!important}@keyframes fadeIn{0%{opacity:0;transform:translate(-50%,5px)}to{opacity:1;transform:translate(-50%)}}.image-group{display:block;width:100%;clear:both;margin:8px 0;overflow:hidden}.image-wrapper{display:inline-flex;flex-direction:column;position:relative;margin:4px 8px 4px 0;vertical-align:top;cursor:default;border:1px solid transparent;border-radius:4px;transition:all .2s;background:var(--surface)}.image-wrapper:hover{border-color:var(--accent-color);box-shadow:0 4px 12px #0000001a;z-index:10}.image-wrapper:before,.image-wrapper:after{display:none!important}.image-wrapper>button,.image-wrapper>.delete-btn,.image-wrapper>[class*=delete],.image-wrapper>[class*=remove]{display:none!important}.image-wrapper img{display:block;margin:0!important;max-width:100%;float:none!important}.image-controls{position:absolute;top:-4px;left:50%;transform:translate(-50%);display:flex;flex-direction:row;gap:4px;opacity:0;transition:opacity .2s;z-index:20;pointer-events:none}.image-wrapper:hover .image-controls{opacity:1;pointer-events:auto}.image-btn{width:32px;height:32px;background:#fffffff2;border:1px solid rgba(0,0,0,.2);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:16px;color:#333;box-shadow:0 2px 4px #00000026;transition:transform .1s,background .1s}.image-btn:hover{transform:scale(1.1);background:#fff;color:var(--accent-color)}.image-btn:active{transform:scale(.95);background:#f0f0f0}.crop-overlay{position:absolute;inset:0;z-index:30;pointer-events:none}.crop-box{position:absolute;border:2px solid #ffd700;background:transparent;cursor:move;pointer-events:auto}.crop-handle{position:absolute;width:12px;height:12px;background:gold;border:2px solid white;border-radius:50%;cursor:pointer}.crop-handle.nw{top:-6px;left:-6px;cursor:nw-resize}.crop-handle.ne{top:-6px;right:-6px;cursor:ne-resize}.crop-handle.sw{bottom:-6px;left:-6px;cursor:sw-resize}.crop-handle.se{bottom:-6px;right:-6px;cursor:se-resize}.crop-actions{position:absolute;bottom:-40px;left:50%;transform:translate(-50%);display:flex;gap:8px;white-space:nowrap}.crop-actions button{padding:6px 16px;border:none;border-radius:4px;cursor:pointer;font-weight:600;font-size:13px}.crop-actions button:first-child{background:gold;color:#333}.crop-actions button:last-child{background:#666;color:#fff}.node-body-editor blockquote,[contenteditable] blockquote{border-left:3px solid var(--accent-color);margin:.5em 0;padding:.4em 1em;background:#ffd7000d;color:var(--text-secondary);font-style:italic;border-radius:0 var(--radius-sm) var(--radius-sm) 0}.project-item .project-meta{font-size:.68rem;color:var(--text-secondary);opacity:0;max-height:0;overflow:hidden;transition:opacity .2s ease,max-height .2s ease;line-height:1.4}.project-item:hover .project-meta{opacity:.7;max-height:2rem}.project-list .branded-title{text-shadow:none!important}.project-item{box-shadow:none!important}