:root {
--bg: #ffffff; --fg: #1a1a1a; --muted: #6b7280; --panel: #f6f7f9;
--border: #e2e5ea; --edge: #b9c0cb; --edge-strong: #7c8797;
--file: #2563eb; --func: #16a34a; --type: #d97706; --var: #9333ea;
--ext: #94a3b8; --accent: #ef4444;
}
@media (prefers-color-scheme: dark) {
:root {
--bg: #0f1115; --fg: #e6e8eb; --muted: #9aa4b2; --panel: #171a21;
--border: #262b36; --edge: #39414f; --edge-strong: #5b6675;
}
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--fg);
font: 13px/1.4 system-ui, -apple-system, Segoe UI, Roboto, sans-serif; }
#app { display: flex; flex-direction: column; height: 100%; }
header { display: flex; gap: 14px; align-items: center; flex-wrap: wrap;
padding: 8px 12px; border-bottom: 1px solid var(--border); background: var(--panel); }
header h1 { font-size: 13px; margin: 0; font-weight: 600; }
header .stat { color: var(--muted); }
header label { display: inline-flex; gap: 4px; align-items: center; cursor: pointer; }
header input[type=search] { padding: 3px 7px; border: 1px solid var(--border);
border-radius: 5px; background: var(--bg); color: var(--fg); }
header button { padding: 3px 10px; border: 1px solid var(--border); border-radius: 5px;
background: var(--bg); color: var(--fg); cursor: pointer; }
header button:hover { border-color: var(--edge-strong); }
#stage { flex: 1; overflow: hidden; position: relative; }
svg { width: 100%; height: 100%; display: block; cursor: grab; }
svg.grabbing { cursor: grabbing; }
.edge { stroke: var(--edge); stroke-width: 1; transition: stroke-opacity .18s ease; }
.edge.imports { stroke-dasharray: 4 3; }
.edge.references { stroke-dasharray: 1 3; }
.node circle { stroke: var(--bg); stroke-width: 1.5; cursor: grab; }
.node circle, .node text { transition: opacity .18s ease; }
.node.dragging circle { cursor: grabbing; }
.node text { fill: var(--fg); paint-order: stroke; stroke: var(--bg);
stroke-width: 3px; font-size: 10px; pointer-events: none; user-select: none; }
.node.dim circle, .node.dim text { opacity: .12; }
.edge.dim { stroke-opacity: .1; }
.node.match circle { stroke: var(--accent); stroke-width: 2.5px; }
.node.file circle { cursor: pointer; }
.legend { position: absolute; right: 10px; bottom: 10px; background: var(--panel);
border: 1px solid var(--border); border-radius: 6px; padding: 8px 10px; }
.legend div { display: flex; align-items: center; gap: 6px; margin: 2px 0; color: var(--muted); }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
#status { position: absolute; left: 10px; bottom: 10px; color: var(--muted);
background: var(--panel); border: 1px solid var(--border); border-radius: 6px;
padding: 4px 8px; font-size: 11px; opacity: 0; transition: opacity .3s ease; }
#status.show { opacity: 1; }