:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (width<=1024px){:root{font-size:16px}}:root.theme-light{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}:root:not(.theme-light) #social .button-icon{filter:invert()brightness(2)}#root{text-align:left;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1126px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}body{margin:0}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}.app{box-sizing:border-box;width:100%;padding:22px 18px 24px}.topbar{border:1px solid var(--border);background:color-mix(in oklab, var(--bg) 92%, var(--code-bg));border-radius:14px;grid-template-columns:1fr auto;align-items:center;gap:14px;padding:12px 14px;display:grid}.topbarLeft{text-align:left;gap:4px;display:grid}.brand{color:var(--text-h);font-size:16px;font-weight:650}.brandSub{color:var(--text);font-size:12px}.hiddenFileInput{display:none}.topbarRight{justify-content:flex-end;display:flex}.langToggle{border:1px solid var(--border);background:var(--bg);color:var(--text-h);cursor:pointer;border-radius:999px;align-items:center;gap:8px;padding:8px 10px;font-size:13px;display:inline-flex}.langIcon{font-size:14px}.langSep{opacity:.7}.langOn{font-weight:700}.langOff{opacity:.55}.simple{gap:10px;padding-top:12px;display:grid}.previewPanel{border:2px solid color-mix(in oklab, var(--accent) 55%, var(--border));background:radial-gradient(1200px 420px at 20% -10%, color-mix(in oklab, var(--accent) 20%, transparent) 0%, transparent 55%), radial-gradient(900px 360px at 100% 0%, color-mix(in oklab, var(--accent) 16%, transparent) 0%, transparent 60%), color-mix(in oklab, var(--bg) 92%, var(--code-bg));box-shadow:0 0 0 1px color-mix(in oklab, var(--accent) 28%, transparent), 0 14px 26px -12px #0000008c, 0 0 34px -6px color-mix(in oklab, var(--accent) 32%, transparent);border-radius:14px;padding:12px;overflow:hidden}.previewHeader{border-bottom:1px solid color-mix(in oklab, var(--accent) 18%, var(--border));justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px;padding:6px 4px 12px;display:flex}.draftBar{border:1px solid color-mix(in oklab, var(--accent) 35%, var(--border));background:color-mix(in oklab, var(--accent) 12%, var(--bg));border-radius:12px;justify-content:space-between;align-items:center;gap:12px;margin:0 0 10px;padding:10px 12px;display:flex}.draftBarText{color:var(--text-h);font-size:13px;line-height:1.3}.draftBarActions{align-items:center;gap:8px;display:flex}.ghost{border:1px solid var(--border);color:var(--text);cursor:pointer;background:0 0;border-radius:10px;padding:8px 10px;font-size:13px}.ghost:hover{background:color-mix(in oklab, var(--accent) 10%, var(--bg))}.previewLeft{align-items:center;gap:10px;min-width:0;display:flex}.fileMeta{gap:2px;min-width:180px;display:grid}.fileName{color:var(--text-h);white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:600;overflow:hidden}.fileRow{align-items:center;gap:10px;min-width:0;display:flex}.reuploadBtn{border:1px solid color-mix(in oklab, var(--accent) 50%, var(--border));background:color-mix(in oklab, var(--accent) 12%, var(--bg));color:var(--text-h);cursor:pointer;white-space:nowrap;border-radius:999px;padding:8px 10px;font-size:13px}.reuploadBtn:hover{background:color-mix(in oklab, var(--accent) 18%, var(--bg))}.emptyState{border:1px dashed var(--border);background:color-mix(in oklab, var(--bg) 82%, var(--code-bg));border-radius:14px;place-content:center;gap:12px;min-height:520px;margin-bottom:12px;padding:24px;display:grid}.emptyArt{opacity:.9;place-items:center;margin-bottom:4px;display:grid}.emptyArt svg{width:240px;max-width:min(520px,70vw);height:auto}.emptyCta{background:var(--accent);color:#fff;cursor:pointer;box-shadow:0 10px 18px -10px color-mix(in oklab, var(--accent) 55%, transparent);border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:10px 14px;font-size:14px;font-weight:650;display:inline-flex}.emptyCtaIcon{opacity:.95;justify-content:center;align-items:center;display:inline-flex}.emptyCtaText{white-space:nowrap}.emptyHint{text-align:center;color:var(--text);max-width:520px;font-size:13px}.errorState{border:1px dashed color-mix(in oklab, #ff4d4f 45%, var(--border));background:color-mix(in oklab, #ff4d4f 10%, var(--bg));border-radius:14px;place-content:center;gap:10px;min-height:520px;margin-top:10px;padding:24px;display:grid}.errorTitle{color:var(--text-h);text-align:center;font-size:16px;font-weight:700}.errorDetail{border:1px solid var(--border);background:var(--bg);max-width:820px;color:var(--text-h);word-break:break-word;border-radius:12px;padding:10px 12px;font-size:13px}.errorActions{flex-wrap:wrap;justify-content:center;gap:10px;margin-top:6px;display:flex}.previewRight{align-items:center;gap:10px;display:flex}.exportMenu{position:relative}.exportPopover{border:1px solid var(--border);background:var(--bg);min-width:180px;box-shadow:var(--shadow);z-index:10;border-radius:12px;padding:6px;position:absolute;top:calc(100% + 8px);right:0}.exportItem{text-align:left;width:100%;color:var(--text-h);cursor:pointer;background:0 0;border:none;border-radius:10px;padding:10px;font-size:13px}.exportItem:hover{background:color-mix(in oklab, var(--accent) 14%, var(--bg))}.field{gap:6px;margin-bottom:10px;display:grid}.label{color:var(--text);font-size:13px}input[type=file],select{border:1px solid var(--border);background:var(--bg);color:var(--text-h);border-radius:10px;padding:8px 10px}input[type=number]{border:1px solid var(--border);background:var(--bg);color:var(--text-h);border-radius:10px;width:120px;padding:8px 10px}input[type=checkbox]{width:16px;height:16px}.primary{background:var(--accent);color:#fff;cursor:pointer;border:1px solid #0000;border-radius:10px;padding:10px 12px}.primary:disabled{cursor:not-allowed;opacity:.5}.secondary{border:1px solid var(--border);background:var(--bg);color:var(--text-h);cursor:pointer;border-radius:10px;padding:8px 10px}.muted{color:var(--text);font-size:13px}.muted.small{font-size:12px}.errorBox{border:1px solid color-mix(in oklab, #ff4d4f 40%, var(--border));background:color-mix(in oklab, #ff4d4f 12%, var(--bg));color:var(--text-h);word-break:break-word;border-radius:12px;margin-top:10px;padding:10px 12px;font-size:13px}.grid2{grid-template-columns:1fr auto;align-items:center}.tabs{border:1px solid var(--border);background:var(--bg);border-radius:999px;gap:6px;padding:4px;display:inline-flex}.tab{color:var(--text-h);cursor:pointer;background:0 0;border:none;border-radius:999px;padding:6px 10px;font-size:13px}.tab.active{background:color-mix(in oklab, var(--accent) 20%, var(--bg));color:var(--text-h)}.colPicker{flex-wrap:wrap;gap:8px;display:flex}.colPickItem{border:1px solid var(--border);background:var(--bg);-webkit-user-select:none;user-select:none;border-radius:999px;align-items:center;gap:6px;padding:4px 8px;display:inline-flex}.colName{font-family:var(--mono);color:var(--text-h);font-size:12px}.placeholder{border:1px dashed var(--border);background:color-mix(in oklab, var(--bg) 80%, var(--code-bg));border-radius:10px;padding:16px;font-size:14px}.placeholder.big{min-height:520px}.tablePreview{gap:10px;display:grid}.tableBox{border:1px solid var(--border);background:var(--bg);border-radius:10px;max-height:320px;overflow:auto}.tableBox table{border-collapse:collapse;width:100%;font-size:13px}.tableBox td{border-bottom:1px solid var(--border);border-right:1px solid var(--border);vertical-align:top;white-space:nowrap;text-overflow:ellipsis;max-width:260px;padding:6px 8px;overflow:hidden}.treePreview{gap:10px;display:grid}.treeBox{border:1px solid var(--border);background:var(--bg);border-radius:10px;max-height:420px;padding:10px;overflow:auto}.treeBox.big{max-height:unset;min-height:520px}.treeRoot{color:var(--text-h);margin:8px 0 6px;font-weight:600}.treeUl{margin:0;padding-left:14px;list-style:none}.treeLi{margin:6px 0}.treeLine{border:1px solid color-mix(in oklab, var(--border) 70%, transparent);background:color-mix(in oklab, var(--bg) 92%, var(--code-bg));color:var(--text-h);word-break:break-word;border-radius:10px;padding:6px 8px;font-size:13px;line-height:1.25}.treeLineSelected{border-color:color-mix(in oklab, var(--accent) 55%, var(--border));background:color-mix(in oklab, var(--accent) 14%, var(--bg))}.treeEditInput{border:2px solid var(--accent);background:var(--bg);width:100%;color:var(--text-h);border-radius:8px;outline:none;padding:4px 6px;font-size:13px}@media (width<=900px){.topbar{grid-template-columns:1fr}.previewHeader{flex-direction:column;align-items:stretch}.previewRight{justify-content:space-between}}.mindmapViewport{border:1px solid var(--border);background:var(--bg);cursor:grab;border-radius:12px;height:min(720px,100svh - 260px);min-height:520px;position:relative;overflow:hidden}.mindmapViewport:active{cursor:grabbing}.mindmapHint{border:1px solid var(--border);background:color-mix(in oklab, var(--bg) 85%, var(--code-bg));color:var(--text);pointer-events:none;border-radius:999px;padding:6px 10px;font-size:12px;position:absolute;bottom:10px;right:10px}.helpBtn{border:1px solid var(--border);background:color-mix(in oklab, var(--bg) 85%, var(--code-bg));width:34px;height:34px;color:var(--text-h);cursor:pointer;border-radius:999px;font-weight:800;position:absolute;bottom:10px;left:10px}.modalMask{z-index:50;background:#0000008c;place-items:center;padding:18px;display:grid;position:fixed;inset:0}.modalCard{border:1px solid var(--border);background:color-mix(in oklab, var(--bg) 86%, var(--code-bg));width:min(420px,100%);box-shadow:0 18px 40px -18px #000000a6, 0 0 0 1px color-mix(in oklab, var(--accent) 12%, var(--border));border-radius:16px;padding:16px 16px 14px;animation:.14s ease-out both modalIn;position:relative;overflow:hidden}.modalCard:before{content:"";background:linear-gradient(90deg, transparent 0%, color-mix(in oklab, var(--accent) 75%, white) 18%, color-mix(in oklab, var(--accent) 35%, transparent) 60%, transparent 100%);opacity:.8;border-radius:999px;height:2px;position:absolute;top:10px;left:12px;right:12px}.modalMask{animation:.14s ease-out both maskIn}.modalTitle{color:var(--text-h);margin-bottom:12px;font-size:16px;font-weight:800}.modalSection{margin-bottom:12px}.modalSectionTitle{color:var(--text-h);margin-bottom:6px;font-size:13px;font-weight:700}.modalBody{color:var(--text);margin:6px 0 14px;font-size:13px;line-height:1.55}.modalCard ul{color:var(--text);margin:0;padding-left:18px;font-size:13px;line-height:1.55}.modalActions{justify-content:flex-end;gap:10px;margin-top:10px;display:flex}.modalActions button{min-width:96px}@keyframes modalIn{0%{opacity:0;transform:translateY(6px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes maskIn{0%{opacity:0}to{opacity:1}}.mindmapSvg{display:block}.mindmapEdge{stroke:color-mix(in oklab, var(--accent) 55%, var(--border));stroke-width:2px;fill:none}.mindmapRect{fill:color-mix(in oklab, var(--bg) 86%, var(--code-bg));stroke:var(--border);stroke-width:1px;-webkit-user-select:none;user-select:none}.mindmapRectSelected{stroke:var(--accent);stroke-width:2px;filter:drop-shadow(0 0 6px color-mix(in oklab, var(--accent) 45%, transparent))}.mindmapDropLine{stroke:var(--accent);stroke-width:4px;stroke-linecap:round;opacity:.9;filter:drop-shadow(0 0 6px color-mix(in oklab, var(--accent) 55%, transparent))}.mindmapDropChild{fill:#0000;stroke:color-mix(in oklab, var(--accent) 75%, white);stroke-width:2px;stroke-dasharray:6 6;opacity:.9;filter:drop-shadow(0 0 8px color-mix(in oklab, var(--accent) 45%, transparent))}.mindmapDropPlaceholder{fill:color-mix(in oklab, var(--accent) 20%, var(--bg));stroke:color-mix(in oklab, var(--accent) 80%, white);stroke-width:2px;stroke-dasharray:8 6;opacity:.75;filter:drop-shadow(0 0 10px color-mix(in oklab, var(--accent) 55%, transparent))}.mindmapEditBox{align-items:center;padding:0;display:flex;position:absolute}.mindmapEditBox input{border:2px solid var(--accent);background:color-mix(in oklab, var(--bg) 88%, var(--code-bg));width:100%;height:100%;color:var(--text-h);caret-color:var(--text-h);font-size:inherit;border-radius:10px;outline:none;padding:0 10px}.mindmapText{fill:var(--text-h);font-size:13px;font-family:var(--sans);-webkit-user-select:none;user-select:none}.mappingPanel{border:1px solid color-mix(in oklab, var(--accent) 30%, var(--border));background:color-mix(in oklab, var(--accent) 5%, var(--bg));border-radius:12px;flex-direction:row;align-items:center;gap:12px;margin-top:10px;padding:10px 16px;display:flex}.mappingTitle{color:var(--text-h);white-space:nowrap;font-size:14px;font-weight:700}.mappingBody{flex-wrap:wrap;align-items:center;gap:12px;width:100%;display:flex}.mappingLabel{color:var(--text);align-items:center;gap:6px;font-size:13px;display:flex}.mappingLabel input[type=number]{width:48px;padding:4px 6px;font-size:13px}.mappingLabelText{color:var(--text-h);font-weight:500}.mappingCheckbox{color:var(--text);cursor:pointer;align-items:center;gap:6px;font-size:13px;display:flex}