:root{--bg:#f6f5f1;--surface:#fff;--ink:#23262f;--muted:#7a7f8c;--line:#e4e2db;--accent:#5b67e8;--accent-soft:#e8eafd;--danger:#d9534f;--node:#6f7cf0;--node-stroke:#fff;--edge:#6b7280;--select:#f2a33a;--grid-minor:#23262f0d;--grid-major:#23262f17;--shadow:0 4px 18px #1e20281f, 0 1px 3px #1e202814;--radius:16px;color:var(--ink);background:var(--bg);-webkit-tap-highlight-color:transparent;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}html,body,#root{overscroll-behavior:none;min-height:100%;margin:0}button{font:inherit;color:inherit;cursor:pointer;background:0 0;border:none;padding:0}.dashboard{max-width:1100px;padding:max(20px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) 40px max(16px, env(safe-area-inset-left));margin:0 auto}.dashboard-header{justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px;display:flex}.dashboard-header h1{letter-spacing:-.02em;margin:0;font-size:28px;font-weight:700}.primary-button{background:var(--accent);color:#fff;border-radius:999px;align-items:center;gap:6px;padding:10px 16px 10px 12px;font-weight:600;display:inline-flex;box-shadow:0 2px 8px #5b67e859}.primary-button:active{transform:scale(.97)}.empty-state{text-align:center;color:var(--muted);padding:60px 0}.graph-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px;margin:0;padding:0;list-style:none;display:grid}@media (width>=700px){.graph-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:18px}}.graph-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);position:relative;overflow:hidden}.graph-card-open{text-align:left;width:100%;display:block}.graph-card-open:active{background:#fafaf8}.thumbnail{aspect-ratio:4/3;background-color:var(--bg);background-image:linear-gradient(var(--grid-minor) 1px, transparent 1px), linear-gradient(90deg, var(--grid-minor) 1px, transparent 1px);border-bottom:1px solid var(--line);background-size:14px 14px;width:100%;display:block}.thumbnail-empty{color:var(--muted);place-items:center;font-size:13px;display:grid}.graph-card-text{flex-direction:column;gap:2px;padding:10px 12px 12px;display:flex}.graph-card-name{white-space:nowrap;text-overflow:ellipsis;font-weight:600;overflow:hidden}.graph-card-meta{color:var(--muted);font-size:12px}.graph-card .graph-card-delete{width:34px;height:34px;color:var(--muted);box-shadow:none;background:#ffffffd9;border-radius:10px;position:absolute;top:6px;right:6px}.graph-card .graph-card-delete:hover{color:var(--danger)}.editor{background:var(--bg);-webkit-user-select:none;user-select:none;position:fixed;inset:0;overflow:hidden}.stage{position:absolute;inset:0}.canvas{touch-action:none;width:100%;height:100%;display:block}.canvas.tool-node,.canvas.tool-edge{cursor:crosshair}.canvas.is-panning{cursor:grabbing}.grid-minor{stroke:var(--grid-minor);fill:none}.grid-major{stroke:var(--grid-major);fill:none}.node{fill:var(--node);stroke:var(--node-stroke);stroke-width:3px}.node-shadow{fill:#1e202824}.node-ring{fill:none;stroke-width:3px}.ring-selected{stroke:var(--select)}.ring-source,.ring-target{stroke:var(--accent);stroke-dasharray:5 5}.edge{fill:none;stroke:var(--edge);stroke-width:2.5px;stroke-linecap:round}.edge.is-selected{stroke:var(--select);stroke-width:4px}.edge-preview{stroke:var(--accent);stroke-dasharray:7 6;pointer-events:none}.edge-hit{fill:none;stroke:#0000}.icon-button{background:var(--surface);width:44px;height:44px;box-shadow:var(--shadow);border-radius:12px;place-items:center;display:grid}.icon-button:active,.zoom-level:active{background:var(--accent-soft)}.editor-header{top:max(12px, env(safe-area-inset-top));left:max(12px, env(safe-area-inset-left));right:max(12px, env(safe-area-inset-right));pointer-events:none;align-items:center;gap:10px;display:flex;position:absolute}.editor-header>*{pointer-events:auto}.title-input{background:var(--surface);min-width:0;max-width:360px;height:44px;box-shadow:var(--shadow);font:inherit;color:var(--ink);border:none;border-radius:12px;outline:none;flex:0 auto;padding:0 14px;font-size:16px;font-weight:600}.title-input:focus{box-shadow:var(--shadow), 0 0 0 2px var(--accent)}.hint{top:calc(max(12px, env(safe-area-inset-top)) + 54px);color:var(--muted);white-space:nowrap;pointer-events:none;background:#ffffffd9;border-radius:999px;padding:5px 12px;font-size:13px;position:absolute;left:50%;transform:translate(-50%)}.zoom-controls{right:max(12px, env(safe-area-inset-right));bottom:calc(max(12px, env(safe-area-inset-bottom)) + 84px);background:var(--surface);box-shadow:var(--shadow);border-radius:14px;flex-direction:column;align-items:center;gap:2px;padding:4px;display:flex;position:absolute}.zoom-controls .icon-button{box-shadow:none;width:40px;height:40px}.zoom-level{font-variant-numeric:tabular-nums;width:44px;height:28px;color:var(--muted);border-radius:8px;font-size:12px}.toolbar{left:50%;bottom:max(12px, env(safe-area-inset-bottom));background:var(--surface);box-shadow:var(--shadow);border-radius:20px;align-items:center;gap:4px;padding:6px;display:flex;position:absolute;transform:translate(-50%)}.tool-button{width:64px;height:58px;color:var(--muted);border-radius:14px;flex-direction:column;justify-content:center;align-items:center;gap:2px;font-size:11px;font-weight:600;transition:background .12s,color .12s;display:flex}.tool-button.is-active{background:var(--accent-soft);color:var(--accent)}.tool-button.is-danger{color:var(--danger)}.toolbar-divider{background:var(--line);align-self:stretch;width:1px;margin:8px 2px}