:root {
  --gap: 12px;
  --radius: 6px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--vscode-font-family);
  font-size: var(--vscode-font-size, 13px);
  color: var(--vscode-foreground);
  background: var(--vscode-editor-background);
}
.loading, .empty { padding: 24px; opacity: 0.7; }
.error { padding: 24px; }
.error-t { color: var(--vscode-errorForeground); font-weight: 600; margin-bottom: 6px; }

/* summary */
.summary { padding: 16px 18px 10px; border-bottom: 1px solid var(--vscode-panel-border); }
.title { font-size: 15px; font-weight: 600; margin-bottom: 12px; word-break: break-all; }
.cards { display: flex; flex-wrap: wrap; gap: var(--gap); }
.card {
  background: var(--vscode-editorWidget-background, rgba(127,127,127,0.08));
  border: 1px solid var(--vscode-panel-border);
  border-radius: var(--radius); padding: 10px 14px; min-width: 96px;
}
.card-v { font-size: 18px; font-weight: 600; }
.card-k { font-size: 11px; opacity: 0.65; margin-top: 2px; text-transform: uppercase; letter-spacing: .04em; }
.chips { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.chips-label { opacity: 0.6; font-size: 11px; margin-right: 2px; }
.chip {
  font-size: 11px; padding: 2px 8px; border-radius: 10px;
  background: var(--vscode-badge-background); color: var(--vscode-badge-foreground);
}

/* tabs */
.tabs { display: flex; gap: 2px; padding: 0 12px; border-bottom: 1px solid var(--vscode-panel-border); }
.tab {
  background: none; border: none; color: var(--vscode-foreground); opacity: 0.65;
  padding: 8px 14px; cursor: pointer; font-size: 13px; border-bottom: 2px solid transparent;
}
.tab:hover { opacity: 1; }
.tab.active { opacity: 1; border-bottom-color: var(--vscode-focusBorder); }

.body { padding: 16px 18px; }
.section-label { font-size: 11px; text-transform: uppercase; letter-spacing: .05em; opacity: 0.6; margin: 6px 0 8px; }

/* components strip */
.components { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: var(--gap); margin-bottom: 18px; }
.component { border: 1px solid var(--vscode-panel-border); border-radius: var(--radius); padding: 10px 12px; }
.comp-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.comp-name { font-weight: 600; word-break: break-all; }
.comp-meta { font-size: 11px; opacity: 0.7; margin-top: 6px; }
.bar { height: 6px; background: var(--vscode-panel-border); border-radius: 4px; margin-top: 8px; overflow: hidden; }
.bar-fill { height: 100%; background: var(--vscode-progressBar-background, #4f8cc9); }

.badge { font-size: 10px; padding: 1px 7px; border-radius: 9px; white-space: nowrap; }
.badge.frozen { background: rgba(120,120,255,0.18); color: var(--vscode-foreground); }
.badge.trained { background: rgba(90,200,120,0.20); color: var(--vscode-foreground); }

/* architecture head + graph/tree toggle */
.arch-head { display: flex; align-items: center; justify-content: space-between; margin: 4px 0 10px; }
.seg { display: inline-flex; border: 1px solid var(--vscode-panel-border); border-radius: 6px; overflow: hidden; }
.seg-btn { background: none; border: none; color: var(--vscode-foreground); opacity: 0.6; padding: 4px 12px; cursor: pointer; font-size: 12px; }
.seg-btn:hover { opacity: 1; }
.seg-btn.active { opacity: 1; background: var(--vscode-list-activeSelectionBackground, rgba(127,127,127,0.18)); }

/* clickable components */
.component.clickable { cursor: pointer; transition: border-color .12s, box-shadow .12s; }
.component.clickable:hover { border-color: var(--vscode-focusBorder); box-shadow: 0 2px 8px rgba(0,0,0,0.25); }
.comp-io { margin-left: 8px; opacity: 0.85; font-family: var(--vscode-editor-font-family, monospace); }

/* composition summary card */
.comp-scope-label { font-family: var(--vscode-editor-font-family, monospace); font-size: 12px; font-weight: 600; margin: 2px 0 6px; word-break: break-all; }
.sumcard { border: 1px solid var(--vscode-panel-border); border-radius: 8px; padding: 10px 12px; margin: 4px 0 14px; }
.sum-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.sum-chip { font-size: 12px; padding: 3px 9px; border-radius: 12px; background: rgba(127,127,127,0.16); }
.sum-chip b { font-weight: 700; }
.sum-chip.t-linear { background: rgba(90,200,140,0.20); }
.sum-chip.t-attn { background: rgba(240,140,60,0.20); }
.sum-chip.t-mlp { background: rgba(90,170,240,0.20); }
.sum-chip.t-norm { background: rgba(150,150,150,0.24); }
.sum-chip.t-embed { background: rgba(200,120,240,0.20); }
.sum-chip.t-conv { background: rgba(240,200,60,0.20); }
.sum-sub { margin-top: 8px; font-size: 11.5px; opacity: 0.9; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.sum-k { opacity: 0.55; }
.sum-mini { font-family: var(--vscode-editor-font-family, monospace); font-size: 11px; padding: 1px 7px; border-radius: 8px; background: rgba(127,127,127,0.14); }
.sum-note { margin-top: 8px; font-size: 11px; opacity: 0.55; font-style: italic; }

/* detail badges */
.gd-badge { font-size: 11px; padding: 1px 8px; border-radius: 9px; white-space: nowrap; }
.gd-badge.in { background: rgba(90,170,240,0.22); }
.gd-badge.out { background: rgba(90,200,140,0.22); }

/* breadcrumb + details */
.graph-crumb { font-size: 12px; margin: 6px 0 8px; opacity: 0.9; }
.crumb-note { opacity: 0.5; font-style: italic; }
.crumb-link { color: var(--vscode-textLink-foreground); cursor: pointer; }
.crumb-link:hover { text-decoration: underline; }
.crumb-sep { opacity: 0.5; }
.crumb-cur { font-weight: 600; }
.graph-details { margin-top: 12px; border: 1px solid var(--vscode-panel-border); border-radius: 8px; padding: 12px 14px; }
.gd-empty { opacity: 0.6; font-size: 12px; }
.gd-head { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.gd-name { font-weight: 600; font-family: var(--vscode-editor-font-family, monospace); word-break: break-all; }
.gd-io { font-size: 12px; opacity: 0.8; font-family: var(--vscode-editor-font-family, monospace); }
.gd-focus { margin-left: auto; }
.gd-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.gd-table th { text-align: left; padding: 4px 8px; border-bottom: 1px solid var(--vscode-panel-border); opacity: 0.6; font-weight: 600; }
.gd-table td { padding: 3px 8px; border-bottom: 1px solid var(--vscode-panel-border); }
.gd-tname { font-family: var(--vscode-editor-font-family, monospace); word-break: break-all; }
.gd-ltype { opacity: 0.75; white-space: nowrap; font-size: 11px; }

/* node graph */
.graph-toolbar { display: flex; align-items: center; gap: 6px; margin-bottom: 8px; }
.graph-toolbar .gspacer { flex: 1; }
.graph-hint { opacity: 0.5; font-size: 11px; margin-right: 4px; }
.gbtn { background: var(--vscode-button-secondaryBackground, rgba(127,127,127,0.15)); color: var(--vscode-button-secondaryForeground, var(--vscode-foreground)); border: 1px solid var(--vscode-panel-border); border-radius: 5px; padding: 3px 10px; cursor: pointer; font-size: 12px; min-width: 30px; }
.gbtn:hover { background: var(--vscode-button-secondaryHoverBackground, rgba(127,127,127,0.28)); }
.graph-canvas {
  height: 62vh; min-height: 320px; overflow: auto; cursor: grab;
  border: 1px solid var(--vscode-panel-border); border-radius: 8px;
  background:
    radial-gradient(circle, rgba(127,127,127,0.16) 1px, transparent 1px) 0 0 / 22px 22px,
    var(--vscode-editor-background);
}
.graph-sizer { position: relative; }
.graph-scene { position: absolute; left: 0; top: 0; transform-origin: 0 0; }
.graph-edges { position: absolute; left: 0; top: 0; overflow: visible; display: block; }
.graph-nodes { position: absolute; left: 0; top: 0; }
.graph-canvas.panning { cursor: grabbing; }
.gedge { fill: none; stroke: var(--vscode-panel-border); stroke-width: 1.6; }
.gedge.flow { stroke: var(--vscode-progressBar-background, #4f8cc9); stroke-width: 2; opacity: 0.85; }
.gedge.inferred { stroke: var(--vscode-descriptionForeground, #9aa0a6); stroke-width: 1.8; stroke-dasharray: 5 4; opacity: 0.7; }
.garrow { fill: var(--vscode-progressBar-background, #4f8cc9); opacity: 0.9; }
.gedge-lbl { fill: var(--vscode-foreground); opacity: 0.6; font-size: 10px; font-family: var(--vscode-editor-font-family, monospace); }

/* input/output pills in the overview */
.gpill { position: absolute; box-sizing: border-box; display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 600; border-radius: 13px; padding: 0 10px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  border: 1px solid var(--vscode-panel-border); }
.gpill-in { background: rgba(34,211,238,0.18); }
.gpill-in.k-image { background: rgba(240,140,60,0.20); }
.gpill-in.k-tokens { background: rgba(90,170,240,0.20); }
.gpill-out { background: rgba(90,200,140,0.20); }

/* merge / split junctions */
.gjunc { fill: var(--vscode-progressBar-background, #4f8cc9); stroke: var(--vscode-editor-background); stroke-width: 2; }
.gjunc-lbl { fill: var(--vscode-foreground); opacity: 0.55; font-size: 10px; font-style: italic; }

/* backbone badges */
.gnode-bb { font-size: 10px; font-weight: 600; padding: 1px 7px; border-radius: 9px; background: rgba(34,211,238,0.20); white-space: nowrap; }
.gd-badge.bb { background: rgba(34,211,238,0.22); font-weight: 600; }
.sum-chip.bb { background: rgba(34,211,238,0.20); }

/* expandable ×N + reconstructed code */
.gnode-xn.clickable { cursor: pointer; }
.gnode-xn.clickable:hover { background: rgba(120,120,255,0.42); }
.gd-code { margin: 8px 0 12px; }
.gd-code summary { cursor: pointer; font-size: 12px; opacity: 0.75; user-select: none; }
.gd-code summary:hover { opacity: 1; }
/* GitHub-style code block */
.code-frame { border: 1px solid var(--vscode-panel-border); border-radius: 8px; overflow: hidden; margin-top: 8px; }
.code-tools { display: flex; align-items: center; gap: 10px; padding: 6px 12px; border-bottom: 1px solid var(--vscode-panel-border);
  background: var(--vscode-editorWidget-background, rgba(127,127,127,0.06)); }
.code-title { font-family: var(--vscode-editor-font-family, monospace); font-size: 12px; font-weight: 600; word-break: break-all; }
.code-meta { font-size: 11px; opacity: 0.55; white-space: nowrap; }
.code-block { max-height: 65vh; overflow: auto; padding: 10px 0; counter-reset: ln;
  background: var(--vscode-textCodeBlock-background, rgba(127,127,127,0.06));
  font-family: var(--vscode-editor-font-family, monospace); font-size: 12px; line-height: 1.55; }
.cl-line { white-space: pre; padding-right: 16px; }
.cl-line:hover { background: var(--vscode-list-hoverBackground); }
.cl-line::before { counter-increment: ln; content: counter(ln); display: inline-block; width: 3.2em;
  margin-right: 16px; text-align: right; opacity: 0.35; }
.tok-com { color: #6a9955; font-style: italic; }
.tok-str { color: #6aa84f; }
.tok-cls { color: #2aa198; font-weight: 600; }
.tok-kw { color: #6c71c4; }
.tok-attr { color: #268bd2; }
.tok-num { color: #b58900; }

.gnode {
  position: absolute; box-sizing: border-box;
  background: var(--vscode-editorWidget-background, var(--vscode-editor-background));
  border: 1px solid var(--vscode-panel-border); border-left: 3px solid var(--gc, #888);
  border-radius: 8px; padding: 7px 10px; overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.28); font-family: var(--vscode-font-family);
}
.gnode.drillable { cursor: pointer; }
.gnode:hover { border-color: var(--vscode-focusBorder); box-shadow: 0 2px 8px rgba(0,0,0,0.4); }
.gnode-open { margin-left: 6px; opacity: 0.55; font-size: 13px; cursor: pointer; padding: 0 3px; border-radius: 4px; }
.gnode-open:hover { opacity: 1; background: var(--vscode-toolbar-hoverBackground, rgba(127,127,127,0.25)); }
.gnode.stacked { box-shadow: 3px 3px 0 -1px var(--vscode-editorWidget-background, #2a2a2a), 3px 3px 0 var(--vscode-panel-border), 6px 6px 0 -1px var(--vscode-editorWidget-background, #2a2a2a), 6px 6px 0 var(--vscode-panel-border), 0 1px 3px rgba(0,0,0,0.28); }
.gnode-top { display: flex; align-items: center; gap: 6px; }
.gnode-name { flex: 1; font-weight: 600; font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.gnode-xn { font-size: 11px; font-weight: 700; padding: 0 6px; border-radius: 8px; background: rgba(120,120,255,0.22); white-space: nowrap; }
.gnode-bot { display: flex; align-items: center; gap: 6px; margin-top: 4px; }
.gnode-io { font-size: 10.5px; opacity: 0.85; font-family: var(--vscode-editor-font-family, monospace); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.gnode-pct { margin-left: auto; opacity: 0.6; font-size: 10px; white-space: nowrap; }
.gnode.selected { border-color: var(--vscode-focusBorder) !important; box-shadow: 0 0 0 2px var(--vscode-focusBorder), 0 2px 8px rgba(0,0,0,0.4); }
.gtype { font-size: 10px; padding: 1px 7px; border-radius: 9px; background: rgba(127,127,127,0.18); white-space: nowrap; }
.gbar { height: 4px; margin-top: 6px; background: var(--vscode-panel-border); border-radius: 3px; overflow: hidden; }
.gbar-fill { height: 100%; background: var(--gc, var(--vscode-progressBar-background, #4f8cc9)); }

/* shared type palette (tree .type.* and graph .gtype.* / .gnode.t-*) */
.gtype.t-attn, .type.attn { background: rgba(240,140,60,0.22); }
.gtype.t-mlp, .type.mlp { background: rgba(90,170,240,0.22); }
.gtype.t-embed, .type.embed { background: rgba(200,120,240,0.22); }
.gtype.t-norm, .type.norm { background: rgba(150,150,150,0.25); }
.gtype.t-conv, .type.conv { background: rgba(240,200,60,0.22); }
.gtype.t-linear, .type.linear { background: rgba(90,200,140,0.20); }
.gtype.t-list, .type.list { background: rgba(120,120,255,0.20); }
.gnode.t-attn { --gc: #f08c3c; }
.gnode.t-mlp { --gc: #5aaaf0; }
.gnode.t-embed { --gc: #c878f0; }
.gnode.t-norm { --gc: #969696; }
.gnode.t-conv { --gc: #f0c83c; }
.gnode.t-linear { --gc: #5ac88c; }
.gnode.t-list { --gc: #7878ff; }
.gnode.t-mod { --gc: #7f7f7f; }

/* tree */
.tree { font-family: var(--vscode-editor-font-family, monospace); font-size: 12.5px; }
.node { display: flex; align-items: center; gap: 8px; padding: 3px 4px; cursor: default; border-radius: 3px; }
.node:hover { background: var(--vscode-list-hoverBackground); }
.caret { width: 12px; opacity: 0.7; cursor: pointer; }
.caret.leaf { opacity: 0.3; cursor: default; }
.node-name { font-weight: 600; }
.node-params { margin-left: auto; opacity: 0.65; font-size: 11px; white-space: nowrap; }
.type { font-size: 10px; padding: 1px 7px; border-radius: 9px; background: rgba(127,127,127,0.18); white-space: nowrap; }
.type.attn { background: rgba(240,140,60,0.22); }
.type.mlp { background: rgba(90,170,240,0.22); }
.type.embed { background: rgba(200,120,240,0.22); }
.type.norm { background: rgba(150,150,150,0.25); }
.type.conv { background: rgba(240,200,60,0.22); }
.type.linear { background: rgba(90,200,140,0.20); }
.type.list { background: rgba(120,120,255,0.20); }

.tensor-leaf { display: flex; gap: 10px; padding: 2px 4px; font-size: 11.5px; opacity: 0.85; }
.tl-name { min-width: 90px; opacity: 0.8; }
.tl-shape { font-family: var(--vscode-editor-font-family, monospace); }
.tl-dtype { opacity: 0.6; }
.repeat-note { font-size: 11px; font-style: italic; opacity: 0.6; padding: 3px 0; }

/* tensors table */
.search-row { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.search {
  flex: 1; padding: 6px 10px; border-radius: var(--radius);
  background: var(--vscode-input-background); color: var(--vscode-input-foreground);
  border: 1px solid var(--vscode-input-border, var(--vscode-panel-border));
}
.count { opacity: 0.6; font-size: 11px; white-space: nowrap; }
.ttable { width: 100%; border-collapse: collapse; font-size: 12px; }
.ttable th { text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--vscode-panel-border); opacity: 0.7; font-weight: 600; position: sticky; top: 0; background: var(--vscode-editor-background); }
.ttable td { padding: 4px 10px; border-bottom: 1px solid var(--vscode-panel-border); }
.ttable tr:hover { background: var(--vscode-list-hoverBackground); }
.tname { word-break: break-all; }
.mono { font-family: var(--vscode-editor-font-family, monospace); white-space: nowrap; }
.shard { opacity: 0.6; font-size: 11px; }

.json { font-family: var(--vscode-editor-font-family, monospace); font-size: 12px; white-space: pre-wrap; word-break: break-word; background: var(--vscode-textCodeBlock-background, rgba(127,127,127,0.08)); padding: 12px; border-radius: var(--radius); max-height: 70vh; overflow: auto; }
.json-src { font-size: 11px; opacity: 0.6; margin-bottom: 8px; font-family: var(--vscode-editor-font-family, monospace); }