:root{color-scheme:dark;--bg: #13151a;--panel: #1c1f26;--panel-2: #22262f;--border: #2e323c;--text: #e7e9ef;--muted: #8d95a6;--accent: #7d8cf7;--accent-soft: #262b41;--danger: #ff8577;--gap-bg: #3d2326;--chip-bg: #272b34;font-family:Hiragino Sans,Noto Sans JP,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-size:14px}#app{display:flex;flex-direction:column;height:100vh}header{display:flex;align-items:center;gap:12px;padding:8px 16px;background:var(--panel);border-bottom:1px solid var(--border)}header h1{font-size:18px;margin:0;letter-spacing:.04em}.tagline{color:var(--muted);font-size:13px}header nav{display:flex;gap:4px;margin-left:12px}.spacer{flex:1}button{font:inherit;padding:5px 12px;border:1px solid var(--border);border-radius:6px;background:var(--panel-2);color:var(--text);cursor:pointer}button:hover{border-color:var(--accent)}button.tab.active,button.primary{background:var(--accent);border-color:var(--accent);color:#10121a;font-weight:600}button.danger{color:var(--danger)}button.icon{padding:2px 7px;border:none;background:transparent;color:var(--muted)}button.icon:hover{color:var(--danger)}input,select,textarea{font:inherit;padding:5px 8px;border:1px solid var(--border);border-radius:6px;background:var(--bg);color:var(--text)}input:focus,select:focus,textarea:focus{outline:1px solid var(--accent)}.hidden{display:none}.signin{flex:1;display:flex;align-items:center;justify-content:center}.signin-card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:32px 40px;display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center}.signin-card h1{margin:0;font-size:26px}.signin-error{color:var(--danger);max-width:360px}.home{flex:1;min-height:0;overflow-y:auto;padding:16px 20px;display:flex;flex-direction:column;gap:12px}.notice{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--accent);border-radius:8px;background:var(--accent-soft)}table.graph-list{border-collapse:collapse;width:100%}table.graph-list th,table.graph-list td{border-bottom:1px solid var(--border);padding:8px 10px;text-align:left}table.graph-list th{color:var(--muted);font-size:13px;font-weight:600}tr.graph-row{cursor:pointer}tr.graph-row:hover{background:var(--panel)}.graph-title-cell{font-weight:600}.row-actions{white-space:nowrap;text-align:right}.row-actions button{margin-left:6px}.graph-title{font-weight:600;min-width:180px;max-width:320px}.lock-banner{color:#ffcf7a;font-size:13px;white-space:nowrap}.user-chip{color:var(--muted);font-size:13px;border:none;background:transparent}.user-chip:hover{color:var(--danger)}.muted{color:var(--muted);font-size:13px}.columns{display:flex;flex:1;min-height:0}.filters{width:230px;flex-shrink:0;padding:12px;border-right:1px solid var(--border);overflow-y:auto;display:flex;flex-direction:column;gap:12px}.filters input[type=search]{width:100%}.filter-kind h3{margin:0 0 6px;font-size:13px;color:var(--muted);font-weight:600}.chip{display:inline-block;margin:0 4px 4px 0;padding:2px 9px;border-radius:999px;border:1px solid var(--border);background:var(--chip-bg);color:var(--text);font-size:13px;cursor:pointer}.chip.active{background:var(--accent);border-color:var(--accent);color:#10121a}.chip.static{cursor:default}.chip-wrap{display:inline-flex;align-items:center}.chip-wrap .icon{padding:0 4px}.node-area{flex:1;min-width:0;padding:12px 16px;display:flex;flex-direction:column;gap:10px;overflow:hidden}.list-head{display:flex;align-items:center;gap:10px;flex-shrink:0}.node-grid{flex:1;min-height:0;overflow-y:auto;display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:8px;align-content:start}.board{flex:1;min-height:0;display:flex;gap:10px;overflow-x:auto;align-items:flex-start}.board-column{width:280px;flex-shrink:0;max-height:100%;overflow-y:auto;background:color-mix(in srgb,var(--panel) 55%,var(--bg));border:1px solid var(--border);border-radius:10px;padding:8px;display:flex;flex-direction:column;gap:8px}.board-head{display:flex;align-items:center;gap:6px;padding:2px 4px;position:sticky;top:0}.board-head h3{margin:0;font-size:13px;color:var(--text);overflow-wrap:anywhere}.board-head .icon:hover{color:var(--accent)}.board .node-card{cursor:grab}.board .node-card.dragging{opacity:.45}.board-column.drag-over{border-color:var(--accent);background:var(--accent-soft)}.node-card{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:8px 10px;cursor:pointer;font-size:13px}.node-card:hover{border-color:var(--accent)}.node-card.selected{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft)}.node-card .node-text{margin-bottom:4px;line-height:1.5}.node-card .chip{font-size:13px;padding:1px 7px}.detail{position:fixed;z-index:30;max-height:76vh;overflow-y:auto;padding:12px 14px;background:var(--panel);border:1px solid var(--border);border-radius:10px;box-shadow:0 14px 44px #0000008c;display:flex;flex-direction:column;gap:12px}.detail-head{display:flex;align-items:center}.detail h2{margin:0;font-size:13px;color:var(--muted)}.detail textarea{width:100%;min-height:64px;resize:vertical;line-height:1.5}.detail section{border-top:1px solid var(--border);padding-top:10px}.detail section h3{margin:0 0 6px;font-size:13px;color:var(--muted)}.detail section h4{margin:10px 0 2px;font-size:13px;color:var(--muted);font-weight:600}.form-row{display:flex;gap:6px;align-items:flex-end;margin-top:8px}.field{display:flex;flex-direction:column;gap:2px;flex:1;min-width:70px}.field-name{font-size:13px;color:var(--muted)}.field input,.field select{width:100%}.hint{margin:6px 0 0}.md-preview{margin-top:8px;padding:8px 10px;background:var(--bg);border:1px solid var(--border);border-radius:8px;font-size:13px;line-height:1.6}.md-preview h1,.md-preview h2,.md-preview h3,.md-preview h4{margin:6px 0 4px;font-size:14px}.md-preview h1{font-size:16px}.md-preview h2{font-size:15px}.md-preview p{margin:4px 0}.md-preview ul{margin:4px 0;padding-left:20px}.md-preview code{background:var(--chip-bg);padding:0 4px;border-radius:4px}.md-preview pre{background:var(--chip-bg);padding:8px;border-radius:6px;overflow-x:auto}.md-preview a{color:var(--accent)}.modal-overlay{position:fixed;inset:0;z-index:50;background:#0000008c;display:flex;align-items:center;justify-content:center}.modal{background:var(--panel);border:1px solid var(--border);border-radius:10px;width:min(760px,92vw);max-height:84vh;padding:14px;display:flex;flex-direction:column;gap:10px}.modal h2{margin:0;font-size:13px;color:var(--muted)}.json-preview{margin:0;flex:1;min-height:0;overflow:auto;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:10px;font-size:13px;font-family:ui-monospace,SF Mono,Menlo,monospace}.edge-row{display:flex;align-items:center;gap:6px;padding:3px 0;font-size:13px}.edge-row .dir{color:var(--accent);font-weight:700}.edge-row .jump{border:none;background:none;padding:0;color:var(--text);text-align:left;cursor:pointer;flex:1;min-width:0}.edge-row .jump:hover{color:var(--accent);text-decoration:underline}.add-form{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-top:6px}.graph-area{flex:1;min-width:0;display:flex;flex-direction:column;position:relative}.graph-legend{position:absolute;left:12px;bottom:12px;z-index:10;width:250px;max-height:56%;overflow-y:auto;padding:10px 12px;background:color-mix(in srgb,var(--panel) 88%,transparent);border:1px solid var(--border);border-radius:10px;display:flex;flex-direction:column;gap:10px}.graph-legend h3{margin:0;font-size:13px;color:var(--muted)}.graph-legend h4{margin:0 0 4px;font-size:13px;color:var(--muted);font-weight:600}.dot{width:10px;height:10px;border-radius:50%;display:inline-block;vertical-align:-1px}.graph-toolbar{display:flex;align-items:center;gap:8px;padding:8px 12px;border-bottom:1px solid var(--border);background:var(--panel);flex-wrap:wrap}.legend{display:flex;gap:10px;flex-wrap:wrap}.legend-item{display:inline-flex;align-items:center;gap:4px;font-size:13px}.legend-item .dot{width:10px;height:10px;border-radius:50%;display:inline-block}.graph-svg-wrap{flex:1;min-height:0}svg.graphview{width:100%;height:100%;display:block;cursor:grab;-webkit-user-select:none;user-select:none;touch-action:none;background:var(--bg)}svg.graphview line.edge{stroke:#59606e;stroke-width:1.2}svg.graphview line.edge.temp{stroke:var(--accent);stroke-dasharray:4 3;stroke-width:1.5;pointer-events:none}svg.graphview line.edge.selected{stroke:var(--accent);stroke-width:2.5}svg.graphview line.edge-hit{stroke:transparent;stroke-width:12;fill:none;pointer-events:stroke;cursor:pointer}svg.graphview .arrow-head{fill:#707887}svg.graphview g.node{cursor:pointer}svg.graphview g.node rect{fill-opacity:.14;stroke-width:1.3}svg.graphview g.node:hover rect{fill-opacity:.28}svg.graphview g.node.selected rect{stroke:var(--accent);stroke-width:2.5;fill-opacity:.3}svg.graphview g.node text{font-size:13px;fill:var(--text);text-anchor:middle;pointer-events:none}.empty-state{color:var(--muted);padding:40px;text-align:center;grid-column:1 / -1}.projection{flex:1;min-height:0;padding:14px 18px;overflow:auto;display:flex;flex-direction:column;gap:12px}.steps{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.step-card{display:flex;align-items:center;gap:6px;background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:6px 8px}.step-arrow{color:var(--muted);font-size:16px}.result-head{display:flex;align-items:center;gap:12px}table.result{border-collapse:collapse;background:var(--panel)}table.result th,table.result td{border:1px solid var(--border);padding:6px 10px;text-align:left;vertical-align:top;max-width:420px;line-height:1.5}table.result th{background:var(--accent-soft);font-size:13px;white-space:nowrap}table.result td.cell{cursor:pointer}table.result td.cell:hover{color:var(--accent)}table.result td.gap{background:var(--gap-bg)}