:root{--bg: #1a1a1f;--panel: #16161b;--panel-2: #1f1f27;--border: #2c2c36;--grid: #26262e;--card-bg: #ffffff;--card-fg: #1a1a1f;--accent: #4c8dff;--fg: #d8d8e0;--fg-dim: #8c8c98}*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden;background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}#app{position:fixed;inset:0;display:block}:root{--color-primary: #0435f7;--color-primary-soft: color-mix(in srgb, var(--color-primary) 8%, #ffffff);--color-primary-text: color-mix(in srgb, var(--color-primary) 45%, #10121f);--color-text: #37352f;--color-text-muted: #9b9a97;--color-surface: #ffffff;--color-surface-hover: rgba(55, 53, 47, .06);--color-border: rgba(15, 15, 15, .08);--shadow-panel: 0 1px 2px rgba(15, 15, 15, .06), 0 8px 28px rgba(15, 15, 15, .14);--color-danger: #e5484d}#sidebar{position:fixed;top:16px;left:16px;width:268px;max-height:calc(100vh - 32px);z-index:20;display:flex;flex-direction:column;background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border);border-radius:14px;box-shadow:var(--shadow-panel);overflow:hidden;user-select:none}#app.sidebar-collapsed #sidebar{display:none}#app.docked #sidebar{top:0;left:0;width:268px;max-height:none;height:100vh;border-radius:0;border:none;border-right:1px solid var(--color-border);box-shadow:none}#app.docked:not(.sidebar-collapsed) #main{left:268px}#app.docked #btn-collapse{display:none}#btn-docked-collapse{position:fixed;top:12px;left:268px;z-index:21;width:20px;height:24px;display:none;padding:0;border:1px solid var(--color-border);border-left:none;border-radius:0 6px 6px 0;background:var(--color-surface);color:var(--color-text-muted);cursor:pointer;align-items:center;justify-content:center}#btn-docked-collapse:hover{background:var(--color-surface-hover);color:var(--color-text)}#app.docked.canvas-mode:not(.sidebar-collapsed) #btn-docked-collapse{display:flex}#sidebar-head{display:flex;align-items:center;gap:8px;padding:12px 12px 8px}.brand-card{flex:1;display:flex;flex-direction:column;gap:8px;padding:10px;min-width:0;border:1px solid var(--color-primary);border-radius:10px;background:var(--color-primary-soft)}.brand-card-row{display:flex;align-items:center;gap:8px;min-width:0}.brand-logo{flex:0 0 auto;width:22px;height:22px;border-radius:6px;object-fit:contain}.brand-title{flex:1;min-width:0;font-weight:600;font-size:14px;color:var(--color-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.brand-card-actions{display:flex;gap:6px}.brand-btn{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:5px;min-width:0;padding:6px 8px;border-radius:7px;font-size:13px;font-weight:600;cursor:pointer}.brand-btn.primary{border:1px solid var(--color-primary);background:var(--color-primary);color:#fff}.brand-btn.primary:hover:not(:disabled){background:color-mix(in srgb,var(--color-primary) 85%,#10121f)}.brand-btn.ghost{border:1px solid color-mix(in srgb,var(--color-primary) 35%,transparent);background:var(--color-surface);color:var(--color-primary-text)}.brand-btn.ghost:hover:not(:disabled){background:var(--color-surface-hover)}.brand-btn:disabled{opacity:.45;cursor:default}.modal-overlay{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;background:#0f0f0f61}.dialog{display:flex;flex-direction:column;gap:14px;padding:18px;width:min(400px,calc(100vw - 32px));background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border);border-radius:16px;box-shadow:var(--shadow-panel)}.dialog-title{margin:0;font-size:16px;font-weight:600}.dialog-msg{margin:0;font-size:13px;line-height:1.5;color:var(--color-text-muted)}.dialog-types{display:flex;gap:12px}.dialog-input{width:100%;padding:9px 11px;border:1px solid var(--color-border);border-radius:9px;background:#fff;color:var(--color-text);font-size:14px;margin-top:12px}.dialog-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--color-primary) 18%,transparent)}.dialog-actions{display:flex;justify-content:flex-end;align-items:center;gap:8px;margin-top:12px}.dialog-actions .push-left{margin-right:auto}.btn-primary,.btn-ghost,.btn-danger{padding:8px 16px;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer}.btn-primary{border:none;background:var(--color-primary);color:#fff}.btn-primary:hover{background:color-mix(in srgb,var(--color-primary) 88%,#000);color:#fff}.btn-ghost{border:1px solid var(--color-border);background:none;color:var(--color-text);font-weight:500;padding:8px 16px}.btn-ghost:hover:not(:disabled){border-color:var(--color-border);background:var(--color-surface-hover)}.btn-danger{border:none;background:var(--color-danger);color:#fff}.btn-danger:hover{background:color-mix(in srgb,var(--color-danger) 88%,#000);color:#fff}.add-option{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:22px 8px;border:1px solid var(--color-border);border-radius:9px;background:var(--color-surface);color:var(--color-text);font-size:13px;font-weight:500;cursor:pointer}.add-option svg{color:var(--color-text)}.add-option:not(.selected):hover{background:var(--color-surface-hover);border-color:var(--color-primary);color:var(--color-primary)}.add-option:hover svg{color:var(--color-primary)}.add-option.selected{border-color:var(--color-primary);background:var(--color-primary);color:#fff;box-shadow:0 2px 8px color-mix(in srgb,var(--color-primary) 40%,transparent)}.add-option.selected svg{color:#fff}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;padding:0;border:none;border-radius:6px;background:transparent;color:var(--color-text-muted);cursor:pointer}.icon-btn:hover:not(:disabled){background:var(--color-surface-hover);color:var(--color-text)}#file-tree{flex:1;overflow-y:auto;padding:2px 8px 6px;font-size:14px}.floating-reopen{position:fixed;top:16px;left:16px;z-index:20;width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:#fff;border:none;border-radius:10px;cursor:pointer;padding:0}.floating-reopen:hover{border:1px solid var(--color-primary)}.reopen-logo{width:28px;height:28px;border-radius:7px;object-fit:contain}.tree-row{display:flex;align-items:center;gap:6px;padding:4px 6px;cursor:pointer;white-space:nowrap;overflow:hidden;color:var(--color-text);position:relative;user-select:none}.tree-row:hover{background:#f0f0ef}.tree-row.active{background:#e8e8e7;font-weight:500}.tree-row.active:before{content:"";position:absolute;left:0;top:0;height:100%;width:2px;background:#37352f}.tree-row.drop-target{background:#f0f0ef;outline:1.5px dashed #9b9a97;outline-offset:-1.5px}.tree-row-folder{color:var(--color-text)}.tree-row-root{font-weight:600}.tree-row-folder .tw-icon{color:var(--color-text-muted)}.tree-row .tw-chevron{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:10px;color:var(--color-text-muted);transition:transform .12s ease}.tree-row .tw-chevron.expanded{transform:rotate(90deg)}.tree-row .tw-icon{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;color:var(--color-text-muted);font-size:13px;width:16px}.tree-row.active .tw-icon{color:var(--color-text)}.tree-row .tw-label{flex:1;overflow:hidden;text-overflow:ellipsis}.tree-row .row-menu{flex:0 0 auto;width:18px;height:18px;padding:0;border:none;border-radius:4px;background:transparent;color:var(--color-text-muted);cursor:pointer;opacity:0;display:inline-flex;align-items:center;justify-content:center;transition:opacity .1s ease,background .1s ease}.tree-row:hover .row-menu,.tree-row.active .row-menu,.tree-row .row-menu:focus-visible{opacity:1}.tree-row .row-menu:hover{background:var(--color-surface-hover);color:var(--color-text)}.tree-row .row-menu:focus-visible{outline:2px solid var(--color-text-muted);outline-offset:1px}.tree-children{margin-left:12px;padding-left:4px;border-left:1px solid var(--color-border)}.ctx-menu{position:fixed;z-index:110;display:flex;flex-direction:column;min-width:180px;padding:4px;background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border);border-radius:10px;box-shadow:var(--shadow-panel)}.ctx-menu-item{padding:7px 10px;border:none;border-radius:6px;background:none;color:var(--color-text);font-size:13px;text-align:left;cursor:pointer}.ctx-menu-item:hover{background:var(--color-surface-hover)}.ctx-menu-item.danger{color:var(--color-danger)}.options-popup{position:fixed;z-index:110;display:flex;flex-direction:column;min-width:168px;padding:4px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:8px;box-shadow:var(--shadow-panel);transform-origin:top left;animation:options-popup-in .1s ease-out}@keyframes options-popup-in{0%{opacity:0;transform:scale(.96) translateY(-2px)}to{opacity:1;transform:none}}.options-popup-item{display:flex;align-items:center;gap:8px;width:100%;padding:6px 8px;border:none;border-radius:5px;background:transparent;color:var(--color-text);font-size:13px;text-align:left;cursor:pointer;transition:background .1s ease}.options-popup-item:hover,.options-popup-item:focus-visible{background:var(--color-surface-hover);outline:none}.options-popup-item.danger{color:var(--color-danger)}.options-popup-item.danger:hover,.options-popup-item.danger:focus-visible{background:#e5484d14}.options-popup-sep{height:1px;margin:4px 6px;background:var(--color-border)}.options-popup-icon{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;color:var(--color-text-muted)}.options-popup-icon svg{width:15px;height:15px}.options-popup-item.danger .options-popup-icon{color:var(--color-danger)}button{padding:6px 10px;border:1px solid var(--border);border-radius:8px;background:var(--panel-2);color:var(--fg);font-size:13px;cursor:pointer}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{opacity:.4;cursor:default}#main{position:absolute;inset:0;z-index:0;background:#f5f5f5}#doc-host{position:absolute;inset:0}#empty-state{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}.empty-card{text-align:center;max-width:360px;padding:24px}.empty-card p{color:var(--fg-dim);margin:0}#app.welcome-open #sidebar,#app.welcome-open .floating-reopen{display:none}#welcome{position:fixed;inset:0;z-index:30;overflow-y:auto;background:var(--color-surface);color:var(--color-text)}.welcome-page{max-width:460px;margin:0 auto;padding:14vh 24px 48px}.welcome-logo{width:56px;height:56px;border-radius:12px;display:block}.welcome-head h1{margin:18px 0 4px;font-size:26px;font-weight:700;letter-spacing:-.02em}.welcome-sub{margin:0;font-size:14px;color:var(--color-text-muted)}.welcome-vaults{margin-top:40px}.welcome-section-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:8px;border-bottom:1px solid var(--color-border)}.welcome-section-head span{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--color-text-muted)}.welcome-add{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border:1px solid var(--color-border);border-radius:7px;background:var(--color-surface);color:var(--color-text);font-size:12.5px;font-weight:600;cursor:pointer}.welcome-add:hover:not(:disabled){background:var(--color-surface-hover);border-color:var(--color-border);color:var(--color-text)}.vault-list{margin-top:6px}.vault-list-empty{margin:0;padding:14px 4px;font-size:13.5px;color:var(--color-text-muted)}.vault-row{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:8px;cursor:pointer}.vault-row:hover{background:var(--color-surface-hover)}.vault-row-icon{flex:0 0 auto;color:var(--color-text-muted)}.vault-row-name{flex:1;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.vault-row-remove{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;padding:0;border:none;border-radius:6px;background:transparent;color:var(--color-text-muted);cursor:pointer;opacity:0}.vault-row:hover .vault-row-remove{opacity:1}.vault-row-remove:hover:not(:disabled){background:#0f0f0f14;color:var(--color-danger)}.welcome-hint{margin:24px 0 0;font-size:12.5px;color:var(--color-text-muted)}.canvas-view{position:absolute;inset:0;background:#f5f5f5}.canvas-view .stage{position:absolute;inset:0;display:block;touch-action:none}.canvas-view .overlay{position:absolute;inset:0;pointer-events:none;overflow:hidden}.canvas-toolbar{position:absolute;left:50%;bottom:20px;transform:translate(-50%);display:flex;gap:4px;padding:6px;border-radius:14px;background:var(--color-surface);z-index:10}.canvas-toolbar .canvas-tool{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border:none;border-radius:9px;background:transparent;color:var(--color-text-muted);cursor:pointer;transition:background .12s ease,color .12s ease}.canvas-toolbar .canvas-tool:hover{background:var(--color-primary-soft);color:var(--color-primary-text)}.canvas-toolbar .canvas-tool.active{background:var(--color-primary);color:#fff;box-shadow:0 2px 8px color-mix(in srgb,var(--color-primary) 40%,transparent)}.toolbar-sep{width:1px;height:24px;background:var(--color-border);margin:0 4px;flex:0 0 auto}.color-palette{position:absolute;left:50%;bottom:82px;transform:translate(-50%);display:flex;gap:6px;padding:8px 12px;border-radius:12px;background:var(--color-surface);z-index:10}.color-swatch{width:22px;height:22px;border-radius:50%;border:2px solid transparent;cursor:pointer;padding:0;flex:0 0 auto;transition:transform .1s ease}.color-swatch:hover{transform:scale(1.2)}.color-swatch.active{border-color:var(--color-primary);box-shadow:0 0 0 2px #fff,0 0 0 4px var(--color-primary)}#snapshot-stage{position:fixed;left:-10000px;top:0;pointer-events:none}.cm-editor-host{position:absolute;pointer-events:auto;background:transparent;overflow:hidden;transform-origin:0 0;--editor-outline-width: 1px;--editor-caret-width: 1px}.cm-editor-host.text-node-editor{box-shadow:0 0 0 var(--editor-outline-width) var(--accent)}.cm-editor-host .cm-editor,.cm-editor-host .cm-editor.cm-focused{height:100%;background:transparent;outline:none}.cm-editor-host .cm-content{color:inherit;caret-color:currentColor}.cm-editor-host .cm-cursor{border-left-color:currentColor}.cm-editor-host .cm-scroller{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.25}.md-view{--md-bg: #ffffff;--md-fg: #37352f;--md-fg-dim: #787066;--md-border: #ebeae8;--md-panel: #f7f6f3;--md-accent: #2383e2;position:absolute;inset:0;display:flex;flex-direction:column;background:var(--md-bg);color:var(--md-fg)}.doc-controls{padding:2px 12px 8px}.md-segment{display:flex;padding:3px;gap:3px;background:var(--color-surface-hover);border:1px solid var(--color-border);border-radius:9px}.md-seg-btn{appearance:none;flex:1;border:none;background:transparent;color:var(--color-text-muted);font-size:12px;font-weight:600;padding:5px 10px;border-radius:6px;cursor:pointer}.md-seg-btn.is-active,.md-seg-btn.is-active:hover:not(:disabled){background:var(--color-surface);color:var(--color-primary-text);box-shadow:0 1px 2px #0f0f0f1f}.md-doc-header{border-bottom:1px solid var(--md-border);background:var(--md-bg)}.md-doc-header-inner{max-width:820px;margin:0 auto;padding:8px 32px;box-sizing:border-box}.md-doc-header .md-title{font-size:13px;font-weight:600;color:var(--md-fg);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}.md-body{flex:1;position:relative;overflow:hidden}.md-source,.md-preview{position:absolute;inset:0;overflow:auto}.md-source .cm-editor{height:100%}.md-source{background:var(--md-bg)}.md-source .cm-scroller{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:15px;line-height:1.7}.md-source .cm-lp-mark{color:var(--md-fg-dim);opacity:.55}.md-source .cm-line.cm-lp-h1{font-size:1.9em;font-weight:700;line-height:1.25;padding-top:.3em}.md-source .cm-line.cm-lp-h2{font-size:1.55em;font-weight:700;line-height:1.3;padding-top:.25em}.md-source .cm-line.cm-lp-h3{font-size:1.3em;font-weight:600;line-height:1.35;padding-top:.2em}.md-source .cm-line.cm-lp-h4{font-size:1.15em;font-weight:600}.md-source .cm-line.cm-lp-h5{font-size:1em;font-weight:600}.md-source 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.cm-tooltip-autocomplete>ul{max-height:320px;min-width:240px;font-size:14px}.md-source .cm-tooltip-autocomplete>ul>li{display:flex;align-items:center;gap:8px;padding:7px 12px;color:var(--md-fg);line-height:1.3}.md-source .cm-tooltip-autocomplete>ul>li[aria-selected]{background:var(--md-panel);color:var(--md-fg)}.md-source .cm-completionLabel{flex:1}.md-source .cm-completionDetail{font-style:normal;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.82em;color:var(--md-fg-dim);background:var(--md-panel);padding:1px 6px;border-radius:4px}.md-source .cm-tooltip-autocomplete>ul>li[aria-selected] .cm-completionDetail{background:var(--md-bg)}.md-source .cm-completionIcon{width:1.1em;opacity:.7;text-align:center}.md-source .cm-editor{background:var(--md-bg);color:var(--md-fg)}.md-source .cm-content{caret-color:var(--md-fg)}.md-source .cm-cursor{border-left-color:var(--md-fg)}.md-source .cm-gutters{background:var(--md-bg);border:none;color:var(--md-fg-dim)}.md-source .cm-activeLine,.md-source .cm-activeLineGutter{background:var(--md-panel)}.md-preview{line-height:1.6;color:var(--md-fg)}.md-rendered{max-width:820px;margin:0 auto;padding:40px 32px;box-sizing:border-box}.md-preview h1,.md-preview h2,.md-preview h3{line-height:1.25}.md-preview code{background:var(--md-panel);padding:1px 5px;border-radius:4px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em}.md-preview pre{background:var(--md-panel);padding:12px 14px;border-radius:8px;overflow:auto}.md-preview pre code{background:none;padding:0}.md-preview blockquote{margin:0;padding-left:14px;border-left:3px solid var(--md-border);color:var(--md-fg-dim)}.md-preview a{color:var(--md-accent)}.md-preview img{max-width:100%}[hidden]{display:none!important}