Authoritative visual + interaction spec for the codegraph ui viewer (Kommandr epics CG-39 → CG-48 → CG-56;
Pro layers in docker-app DOCKERAPP-10). Companion to the design proposal ("Reading the graph") and the
interactive prototype; the prototype's stylesheet is appended verbatim at the end and is the source of truth
for every measurement below. Screenshots: CodeGraph/codegraph-web-prototype/screenshots/ (also attached to
the Kommandr epics).
Design proposal: https://claude.ai/code/artifact/58336c87-9780-4018-8c04-37fe53236e96
Prototype: https://claude.ai/code/artifact/304bffb6-72d6-49c7-8f3a-9e4f244909f8
Prototype sources: CodeGraph/codegraph-web-prototype/ (proto.css, proto.js, extract.mjs, build.mjs)
The engine's paper/ink editorial system (site/src/styles/theme.css): flat, hairline rules, square corners everywhere
(border-radius: 0 !important globally), no shadows, no gradients, sentence case, no tiny all-caps tracked labels,
one oxblood accent used only for focus/selection/edges, one amber used only for the "untested" warning.
Syntax highlighting is deliberately near-monochrome so the graph's edges are the only colour in the code.
| token | light | dark | used for |
|---|---|---|---|
--paper |
#f7f6f2 |
#16150f |
page/body background (always set explicitly) |
--paper-2 |
#f1efe8 |
#1c1a14 |
trail bar, inputs, hovered code line, figure grounds |
--press |
#e8e6dd |
#23211a |
hover fills, inline code background, bars |
--press-2 |
#dedbd0 |
#2c2a22 |
reserved (pressed state) |
--ink |
#16150f |
#f3f1ea |
primary text, node borders, major rules |
--ink-2 |
#56544a |
#b8b5a8 |
secondary text, strings, callers' names when uncertain |
--ink-3 |
#87847a |
#87847a |
tertiary text, comments, glyph borders, edge labels |
--ink-4 |
#b4b1a5 |
#5d5b52 |
line numbers, resting connectors, dimmed map nodes |
--rule |
#16150f |
#f3f1ea |
top bar bottom rule, code/blast section rules |
--rule-soft |
#d6d3c8 |
#34322a |
rail dividers, chips, card borders |
--rule-faint |
#e6e3d9 |
#26241d |
row separators, map layer lines |
--accent |
#7a2230 |
#d48b96 |
oxblood: call-site links, current trail hop, hot connectors, selected map edges |
--accent-ink |
#5e1a25 |
#e5a5ae |
accent text on accent-soft |
--accent-soft |
#f0e3e5 |
#33201f |
tinted rows ("you came from here"), hot code lines |
--accent-line |
#d9b3b9 |
#6b3a42 |
accent borders/underlines at rest |
--amber |
#8a5a0b |
#d9a94a |
"No test reaches this within 3 caller hops" badge only |
--amber-soft |
#f3e9d2 |
#2e2716 |
that badge's fill |
Theme selection: define the light set on bare :root; redefine under @media (prefers-color-scheme: dark) guarded as
:root:not([data-theme="light"]); redefine again under :root[data-theme="dark"]. Never define a colour only inside a
media/[data-theme] block. body { background: var(--paper); color: var(--ink) }.
-apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif).ui-monospace, 'SF Mono', Menlo, Consolas, monospace).13px/1.45; code 12.5px/20px; symbol title 600 20px/1.2 mono, letter-spacing −0.01em;
section labels (Called by, Calls, Blast radius) 600 13px sans; rail rows 12.5px mono name + 11px sans meta;
chips 11px mono; line numbers 11px mono in --ink-4; badges 11.5px; map node label 13px mono, count 11px;
flow card name 600 13px mono, window 12px/19px mono; trail 12px mono. Headings sentence case, text-wrap: balance.--code-comment; string --ink-2; keyword weight 500 (same ink); number --ink-2; definition
name on its own line weight 600; call-site link = --accent, underline --accent-line, offset 3px, hover/hot fill
--accent-soft; uncertain link = --ink-2, dotted underline --ink-4; link to a symbol outside the index = --ink-2,
underline --rule-soft, not clickable.
--code-comment, not --ink-3. --ink-3 measures 3.46:1 on --paper and 3.00:1 on
the hot-line tint --accent-soft, both under the 4.5:1 that 12.5px body text needs. --code-comment is the smallest
step along the same warm-grey ramp that clears 4.5:1 on every background a code line can have (#6a675d light —
paper 5.23, paper-2 4.92, accent-soft 4.53; #8e8b81 dark — 5.36 / 5.10 / 4.51) while staying quieter than the
--ink-2 strings and numbers use, so the recession order above is unchanged. Everything else in this list passes as
specified: ink 16.9/16.2, ink-2 7.03/8.89, accent 9.25/6.91 (8.02/5.80 on --accent-soft).--ink-4 (1.99:1 light, 2.69:1 dark) — a known contrast gap, left as specified rather than
changed inside a rendering task. Worth a design call before phase 2.16×16 hollow square, 1px --ink-3 border, letter in 500 9.5px mono: ƒ function · m method · C class · I
interface · S struct · T type alias · E enum · e enum member · k constant · v variable · p property/field ·
≡ file (dashed border) · R route · ⟨⟩ component · N namespace · M module · Tr trait · U union · P protocol.
Container/type kinds get a --press fill.
--ink-3), view tabs (Map · Symbol · Flow, 5px 10px padding, active = 2px --ink bottom border), search input
(30px tall, --paper-2 fill, --rule-soft border → --ink on focus, max-width 720px), project stats in --ink-2 12px.
Bottom rule of the top bar is --rule (1px); the trail bar's is --rule-soft.outline: 2px solid var(--accent); outline-offset: 1px. prefers-reduced-motion disables transitions.#/s/<id>?t=<trail>&hl=<line>)minmax(520px, 1fr); inside the stage: center minmax(480px, 1fr) | right rail 320px.
Left rail has its own scroll; center + right rail scroll together in the stage (so callee rows stay aligned to lines).
≤ 1100px: 240px | minmax(360px,1fr) | 260px.12px 14px 8px padding, 600 13px, count in --ink-3, hint text right-aligned 11.5px (← step up, step down →).18px 22px 40px. Header row: glyph, name (h1), kind word (--ink-3 12.5px, "· async · static · private"),
location file:start–end · N lines (11.5px mono, file is a link). "in ClassName" breadcrumb 11.5px mono --ink-3.
Badges row (gap 6px): exported · hub · N callers (border --ink) · tests badge (Reached by tests · N files within 3 hops,
hollow 8px swatch) or amber warning (filled swatch). Signature 12px mono --ink-2, docstring 12.5px --ink-2 max 70ch,
relations row of chips (extends X, implemented by …, uses types … — chips 11.5px mono, --rule-soft border, 1px 6px).--rule top border + 6px; each line is a grid 44px | 1fr | 18px (line number right-aligned, 12px
right padding; text white-space: pre; port cell). Hover line → --paper-2; hot/highlighted line → --accent-soft.
Port: 6×6 square, 1px --ink-3 border, positioned right 4px / top 7px; filled --ink-3 when the line has a
resolved (≥ 0.6) edge, hollow when only uncertain; accent fill+border when hot. Gap rows ("⋯ N lines without calls"):
11px --ink-4, dashed --rule-soft top/bottom, 2px margin, indented 44px. Long bodies: head 80 lines + ±4-line windows
around every call site; bodies ≤ 260 lines shown whole; containers show the outline instead of a body > 80 lines..rrow): absolutely positioned, left 14px right 12px, height 34px, grid 16px | 1fr gap 8px,
padding 0 6px, 1px transparent border (→ --ink when keyboard-selected; --accent-line + --accent-soft when hot/origin).
Desired y = center of first call-site line − 17px; place in line order with y = max(desired, prevY + 34 + 6);
the stage's min-height grows to fit. Name 12.5px mono (×N in --ink-3 when called from N lines); meta 11px --ink-3:
file (or "same file"), edge word (creates, passes as value), tags (hub · N, outside index, via <synthesizedBy>)
as 10.5px bordered pills. Uncertain targets fold into a <details> ("+ Uncertain · N name-only matches, confidence < 0.6")
placed 8px below the last row; "+N more calls into symbols outside the index" note 11.5px.M x0,ly C cx,ly cx,ry x1,ry with x0 = center right edge − 10, x1 = rail left + 14, cx = (x0+x1)/2.
Resting: --ink-4 1px; hot: --accent 1.5px; uncertain: dasharray 2 3; heuristic: dasharray 6 3 in --ink-3;
origin (the edge you arrived by): --accent. Left rail draws no connectors (separate scroll container); the origin
caller row is tinted instead. (Real build: consider converging left connectors into the header — open question.).filegroup padding 10px 14px 4px; path 11px mono --ink-3, count bold --ink-2; the
focus's own file first as "same file"); rows grid 16px | 1fr, padding 5px 6px 5px 4px, name 12.5px mono, meta row
with edge-kind label + call-site chips (:4657, 11px mono, --rule-soft border, 0 4px; click = open caller at that line).
Folds: Tests · N calls from M files (lists files), Uncertain · N. Origin row: --accent-soft fill + --accent-line border
--ink-3.--rule top border, 10px padding-top; "Blast radius" 600 + stats
(<strong>N</strong> direct dependents · within 3 hops · files · test files · routes, tabular-nums); bar 6px tall,
max-width 420px, --press track, light fill --ink-2 = within-3 share, dark fill --ink = direct share, both scaled to the
widest radius in the index; legend 11.5px; <details> "What would need re-checking if this changed" listing dependents by file.16px | minmax(160px,auto) | 1fr | auto,
padding 6px 4px, --rule-faint separators, name 12.5px mono, signature 11.5px mono --ink-3 ellipsised,
counts ← in → out 11px mono tabular; nested members indented 22px; properties/enum members dimmed./ or ⌘K search · ↑/↓ (or j/k) move in the active rail · ←/→ switch rail · Enter follow · Backspace or [ back ·
m map · f flow · Esc back to Symbol view. Selection = 1px --ink border on the row, scrolled into view.34px, --paper-2, mono 12px. Trail label in --ink-3 sans; hops as buttons (glyph + name, padding 4px 8px) separated by
→ (stepped into a call) or ← (stepped up to a caller) in --ink-3; current hop: --accent text, --accent-line border,
--paper fill; hover --press. Right side: Read as flow, Clear (sans 4px 8px, --rule-soft border). Empty hint in --ink-3.
#/file/<path>)Grid 300px | minmax(480px,1fr) | 300px: Imported by · outline (source order, nested, counts, line number right) · Imports.
File rows 12px mono, 5px 14px padding, --rule-faint separators; files outside the index in --ink-3, not clickable.
Header: file glyph, basename as h1, lang · KB · N symbols · generated, full path.
As built (phase 1, CG-46). The two rails count dependencies, not import statements —
getFileDependencies / getFileDependents, every cross-file edge except contains. The prototype
drew imports edges alone, and on this repo that understates the answer: src/graph/traversal.ts
imports two files and depends on four (it reaches src/resolution/lru-cache.ts through a call no
import names). The import rows are still merged in — they carry the symbol NAMES, shown as a count
on the row and in full in its tooltip. Rows sort production-first then alphabetically, tests last.
Imports that resolved to nothing indexed are listed under Outside the index, in --ink-3 and
not clickable, so a file importing react and fs does not read as having one dependency.
The header's N symbols is the OUTLINE's total, not the file record's node count (which includes
the file node and its import declarations). A file that runs code at its top level — an edge out of
the file node — carries a badge ("Runs N calls at the top level — see what it calls") that focuses
the file node, the only place that code can be read. Outline rows are a fixed 28px and the list is
windowed above 250 rows (this repo's own fixtures hold a 1,681-symbol .d.ts); the two constants
live together in ui/src/lib/file-model.ts. Keyboard: ↑/↓ within a pane, ←/→ across the three
panes, Enter follows; ?hl=<line> selects the DEEPEST outline row whose range holds the line.
Whole-file source, as built (phase 2, CG-52). ?src=1 on the same route. Four columns inside
one scroller: sticky outline rail (240px, only at ≥ 1400px) | arcs 56px | source | callee rail 320px.
The line grid, the 6x6 ports and the accent call-site links are the Symbol view's, unchanged — what
differs is that line positions are arithmetic, not measured: every line is exactly 20px and sits
at 10 + (n - 1) x 20, so a 6 820-line file renders ~90 line elements and the arcs, ports, rail
rows and connectors are all functions of a line number. ui/src/lib/filecode-model.ts holds the
constant; FileCodeBlock.svelte's CSS holds the other half of it, and they must move together.
Source pages in 800 lines at a time from /api/source, each request reaching back 150 lines that are
then discarded so a page starting inside a block comment does not render prose as code; a line whose
page has not arrived still shows its number, its port and its place. Callee-rail rows are one per
(CALLING symbol, called symbol) PAIR rather than one per callee — a row is anchored to a line and a
helper called from two functions a thousand lines apart has no line that is both — and uncertain rows
stay in place with their dotted underline rather than folding, because a fold has nowhere to sit on
this screen. Arcs are half-ellipses bulging left, both ends on the arc column's right edge, depth a
log function of the arc's own SPAN (so short arcs sit innermost and filtering never moves a survivor
sideways); --ink-4 1px at rest, --accent 1.5px when the call line or the callee is under the
pointer — never as a consequence of the crowding filter. Above 40 arcs only the focused symbol's are
drawn (hovered symbol, else the symbol the scroll position is inside) and the header states the
total. Clicking an arc scrolls to the callee's definition and marks it. Data: GET /api/filecode/<path>.
#/flow/<key>)Header: "Flow" + a <select> of flows (--paper-2, --rule-soft border, 12.5px sans) + a 78ch note.
Cards 380px wide, --rule-soft border (--ink on hover, --accent when current), header grid 16px | 1fr padding 10px 12px 6px
(name 600 13px mono, file:line 11px --ink-3), separator --rule-faint, source window 12px/19px mono with line numbers
(grid 40px | 1fr | 6px), the call line tinted --accent-soft and the calling identifier as an accent link; ±3 lines around the call.
Links between cards: 86px wide; a 1px --ink-3 line with a filled arrowhead (polygon 76,3 84,7 76,11 in a 86×14 box);
label 11px mono --ink-3 centred (calls, line 2029; via callback · registered at file:line); uncertain dasharray 2 3;
heuristic dasharray 5 3. End cap: 240px, dashed --rule-soft border, 12px text — "Where the graph stops" + the boundary
(form, key, line) + uncertain continuations. In the real build the strip is a Svelte Flow canvas laid out left→right with the
same card/link visuals.
#/map)Grid: canvas minmax(600px,1fr) | side panel 320px (--rule-soft left border, 14px 16px padding).
Nodes: rect width = max(110, label.length × 7.3 + 28), height 40, --paper fill, 1px --ink stroke (2px + --press fill
when hovered/selected; --ink-4 when dimmed; test modules dashed 4 3 in --ink-3), label 13px mono at (10,17), count
"N symbols · M files" 11px --ink-3 at (10,32). Layers: vertical gap 74px, horizontal gap 34px, padding 44px; entry points at the
top ("entry points" label), foundations at the bottom ("foundations — depend on nothing below"); faint layer lines --rule-faint.
Layout: aggregate edges by module; break 2-cycles keeping the heavier direction; longest-path layering (a module sits one layer
above everything it depends on); barycenter ordering, 3 sweeps; single-node layers centred; ports spread along each box
(x = left + width × (i+1)/(n+1) over the node's sorted out/in edges) so bundles fan. Edges: cubic M x0,y0 C x0,my x1,my x1,y1
(my = midpoint), stroke-width = min(6, 1 + log2(count) × 0.7), --ink at opacity 0.28 (hot 0.95, dimmed 0.06); a 12px transparent
hit path per edge; edges with count < 4 (< 6 when tests included) hidden until a touching module is selected; cycle back-edges only when
selected, --accent opacity 0.6, dasharray 4 3. Tooltip: --paper, 1px --ink border, 8px 10px, 12px: "src/a → src/b", "N edges",
by kind, top 4 symbol pairs. Side panel: title, 2-sentence explanation, hidden-edge note, "Include tests, scripts, kernel & site" checkbox,
"Mutual dependencies" fold, selected module's dependencies/dependents with counts and its files. Fit: SVG width 100%,
viewBox to content, height: max(100%, 0.9 × content) so labels never scale below ~0.9. In the real build this is a Svelte Flow
canvas (custom node + custom edge components; hidden handles as ports; pan/zoom/fitView) with the same geometry.
Results panel under the input: 1px --ink border, max-height 420px; group headers 12px --ink-3 (Flow, Symbols & files);
rows grid 18px | 1fr | auto, 6px 10px, --rule-faint separators, selected/hover --press; name 12.5px mono + signature 11.5px mono
--ink-3 + location 11px mono. Flow grammar: "how does X reach Y", "X -> Y", "X → Y".
As built (phase 1, CG-45). Group headers are the result's KIND — Methods, Functions,
Classes, Files — a group appearing where its best result did, so flattening the groups
reproduces the ranking ↑/↓ walks. The prototype's two-group split (Flow / Symbols & files)
waits for the Flow view: a flow question is recognised now, but until there is a path to draw it
searches both endpoints and says so in one line above the results rather than offering a row that
lands on a placeholder. A file's row shows its basename with its DIRECTORY in the location column —
its name column already carries the path, and printing it twice reads as an error.
At rest — an empty box, or the empty screen — the panel shows entry points from
/api/entrypoints: routes (URL → handler), files that run something at module level (a CLI, a
worker entry, a script — ranked by calls × the number of other files they reach), and the most
depended-on symbols. Each section says what it is derived from, never that a file IS the entry
point.
Drift banner: full-width block above the code, --paper-2 fill, 1px --rule-soft border, padding 8px 12px, 12.5px --ink-2, leading
"⚠" glyph in --ink-3. Never amber — amber is the untested badge's colour and nothing else's — and never a modal.
Toast: --ink fill, --paper text, 12.5px, 8px 14px, bottom-centre, 2.6 s, one at a time.
As built. The endpoint is /api/events, not /events: everything under /api/ answers JSON for every outcome and is
excluded from the SPA fallback, so a stream mounted outside that namespace would have come back as the app shell on a typo and as
text/plain on a refusal. It carries four event types — hello (the index revision the client is synchronised against, and which of
the two watchers came up), changed (source files on disk, before any sync), index (the graph moved, naming what the sync
re-indexed) and degraded — plus a : ping comment frame every 25 s. The server WATCHES and never syncs: the project tree through
the engine's own FileWatcher with a notify-only syncFn, the index through one non-recursive fs.watch on the data directory
settled at 400 ms (capped at 3 s). Both start with the first subscriber and stop with the last.
Three banner variants, because what follows the dash is what the screen actually did:
codegraph_node on a drifted file, issue #1474) and every line-anchored marking goes
with the old numbering: gutter ports, call-site links, the definition-name weight, the ?hl= highlight, and the callee rail's
anchoring — its rows stack in source order and draw no connector. Above 400 lines the banner links to the whole-file view instead.?src=1) — the same, plus "with the call arcs, ports and rail switched off". The source still pages in; only the
margins go.Measured: banner 360 ms after a save; toast 440 ms after codegraph sync returns; 0 requests in 4 idle seconds.
ui/), Svelte Flow @xyflow/svelte ^1.6 for the Map and Flow canvases only (custom nodes/edges,
hidden handles for port spreading, local selection state — the pattern in docker-app's StackGraph.svelte); @dagrejs/dagre only as a
fallback if crossing quality demands it (never ELK). Symbol view = DOM + one SVG overlay (ResizeObserver re-layout)./api/source; tree-sitter-derived
tokens replace it in phase 3.
@shikijs/core + @shikijs/engine-javascript are runtime dependencies (~5 MB installed, no wasm, no native
module); @shikijs/langs is a devDependency and npm run build:textmate (scripts/prune-grammars.mjs) writes only the
closure the engine's 40-odd languages reach — 56 grammars, 2.6 MB — into dist/textmate/, checked by scripts/check-ui-build.mjs.
Shipping all 722 grammars would have been 11 MB.comment, string,
keyword, number, ident, other), and the viewer paints them from the CSS custom properties above — so one token stream
serves light and dark with no refetch when prefers-color-scheme flips, and the ramp lives only in ui/src/app.css.dist/viewer/ over node:http, loopback only.
(Not dist/ui/ — src/ui/ is the engine's terminal ui and tsc already compiles it there; see ui/README.md.)Sentence case; controls say what happens ("Read as flow", "Clear"); counts always visible next to folds; honesty phrases fixed: "No test reaches this within 3 caller hops", "Reached by tests · N files within 3 hops", "Uncertain · N name-only matches, confidence < 0.6", "outside the index", "Where the graph stops", "changed on disk after the last index sync", "Index updated · reloaded", "Not live".
/* ---------- tokens: paper/ink editorial, one oxblood accent ---------- */
:root {
--paper: #f7f6f2; --paper-2: #f1efe8; --press: #e8e6dd; --press-2: #dedbd0;
--ink: #16150f; --ink-2: #56544a; --ink-3: #87847a; --ink-4: #b4b1a5;
--rule: #16150f; --rule-soft: #d6d3c8; --rule-faint: #e6e3d9;
--accent: #7a2230; --accent-ink: #5e1a25; --accent-soft: #f0e3e5; --accent-line: #d9b3b9;
--amber: #8a5a0b; --amber-soft: #f3e9d2;
--sans: 'Archivo', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
--mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
--code-size: 12.5px; --code-lh: 20px;
}
@media (prefers-color-scheme: dark) {
:root:not([data-theme="light"]) {
--paper: #16150f; --paper-2: #1c1a14; --press: #23211a; --press-2: #2c2a22;
--ink: #f3f1ea; --ink-2: #b8b5a8; --ink-3: #87847a; --ink-4: #5d5b52;
--rule: #f3f1ea; --rule-soft: #34322a; --rule-faint: #26241d;
--accent: #d48b96; --accent-ink: #e5a5ae; --accent-soft: #33201f; --accent-line: #6b3a42;
--amber: #d9a94a; --amber-soft: #2e2716;
}
}
:root[data-theme="dark"] {
--paper: #16150f; --paper-2: #1c1a14; --press: #23211a; --press-2: #2c2a22;
--ink: #f3f1ea; --ink-2: #b8b5a8; --ink-3: #87847a; --ink-4: #5d5b52;
--rule: #f3f1ea; --rule-soft: #34322a; --rule-faint: #26241d;
--accent: #d48b96; --accent-ink: #e5a5ae; --accent-soft: #33201f; --accent-line: #6b3a42;
--amber: #d9a94a; --amber-soft: #2e2716;
}
html, body { height: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 13px; line-height: 1.45; -webkit-font-smoothing: antialiased; }
* { box-sizing: border-box; border-radius: 0 !important; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
.mono { font-family: var(--mono); }
.dim { color: var(--ink-3); }
.hidden { display: none !important; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }
#app { height: 100vh; display: grid; grid-template-rows: 48px 34px 1fr; }
/* ---------- top bar ---------- */
.topbar { display: grid; grid-template-columns: auto auto 1fr auto; align-items: center; gap: 22px; padding: 0 18px; border-bottom: 1px solid var(--rule); background: var(--paper); position: relative; z-index: 30; }
.brand { display: flex; align-items: baseline; gap: 8px; }
.brand-mark { display: inline-block; width: 10px; height: 10px; border: 1.5px solid var(--ink); background: var(--paper); align-self: center; }
.brand-name { font-weight: 600; letter-spacing: -0.01em; font-size: 14px; }
.brand-sub { color: var(--ink-3); font-size: 12px; }
.views { display: flex; gap: 2px; }
.views a { padding: 5px 10px; color: var(--ink-2); border-bottom: 2px solid transparent; }
.views a:hover { color: var(--ink); }
.views a.active { color: var(--ink); border-bottom-color: var(--ink); }
.search { position: relative; max-width: 720px; }
#q { width: 100%; height: 30px; padding: 0 10px; border: 1px solid var(--rule-soft); background: var(--paper-2); color: var(--ink); font: 13px var(--sans); }
#q:focus { border-color: var(--ink); outline: none; }
#q::placeholder { color: var(--ink-3); }
.q-results { position: absolute; top: 32px; left: 0; right: 0; background: var(--paper); border: 1px solid var(--ink); max-height: 420px; overflow: auto; z-index: 40; }
.q-row { display: grid; grid-template-columns: 18px 1fr auto; gap: 10px; align-items: baseline; padding: 6px 10px; border-bottom: 1px solid var(--rule-faint); cursor: pointer; }
.q-row:last-child { border-bottom: 0; }
.q-row:hover, .q-row.sel { background: var(--press); }
.q-row .nm { font-family: var(--mono); font-size: 12.5px; }
.q-row .sig { color: var(--ink-3); font-family: var(--mono); font-size: 11.5px; margin-left: 6px; }
.q-row .loc { color: var(--ink-3); font-family: var(--mono); font-size: 11px; white-space: nowrap; }
.q-head { padding: 6px 10px 4px; color: var(--ink-3); font-size: 12px; border-bottom: 1px solid var(--rule-faint); }
.project { color: var(--ink-2); font-size: 12px; white-space: nowrap; }
/* kind glyph: hollow square variants, mono letter */
.k { display: inline-flex; width: 16px; height: 16px; align-items: center; justify-content: center; border: 1px solid var(--ink-3); color: var(--ink-2); font: 500 9.5px var(--mono); flex: 0 0 auto; }
.k.fn { border-style: solid; }
.k.cls, .k.iface, .k.struct, .k.type { background: var(--press); }
.k.file { border-style: dashed; }
/* ---------- trail bar ---------- */
.trailbar { display: flex; align-items: center; gap: 0; padding: 0 18px; border-bottom: 1px solid var(--rule-soft); background: var(--paper-2); overflow-x: auto; white-space: nowrap; font-family: var(--mono); font-size: 12px; }
.trailbar .label { color: var(--ink-3); font-family: var(--sans); margin-right: 10px; }
.hop { display: inline-flex; align-items: center; gap: 6px; padding: 4px 8px; color: var(--ink-2); border: 1px solid transparent; }
.hop:hover { color: var(--ink); background: var(--press); }
.hop.cur { color: var(--accent); border-color: var(--accent-line); background: var(--paper); }
.hop-arrow { color: var(--ink-3); padding: 0 2px; }
.hop-arrow.up { color: var(--ink-2); }
.trailbar .spacer { flex: 1; }
.trailbar .tb-btn { font-family: var(--sans); color: var(--ink-2); padding: 4px 8px; border: 1px solid var(--rule-soft); margin-left: 8px; background: var(--paper); }
.trailbar .tb-btn:hover { border-color: var(--ink); color: var(--ink); }
.trailbar .empty { color: var(--ink-3); font-family: var(--sans); }
/* ---------- main / focus layout ---------- */
#main { min-height: 0; overflow: hidden; }
.focus { display: grid; grid-template-columns: 300px minmax(520px, 1fr); height: 100%; min-height: 0; }
.rail-left { border-right: 1px solid var(--rule-soft); overflow: auto; background: var(--paper); }
.stage { position: relative; overflow: auto; }
.stage-inner { position: relative; display: grid; grid-template-columns: minmax(480px, 1fr) 320px; min-height: 100%; }
.center { padding: 18px 22px 40px 22px; min-width: 0; }
.rail-right { position: relative; border-left: 1px solid var(--rule-faint); }
.overlay { position: absolute; inset: 0; pointer-events: none; overflow: visible; }
.overlay path { fill: none; stroke: var(--ink-4); stroke-width: 1; }
.overlay path.hot { stroke: var(--accent); stroke-width: 1.5; }
.overlay path.uncertain { stroke-dasharray: 2 3; }
.overlay path.heur { stroke-dasharray: 6 3; stroke: var(--ink-3); }
.overlay path.origin { stroke: var(--accent); }
/* rail headings */
.rail-h { display: flex; align-items: baseline; justify-content: space-between; padding: 12px 14px 8px; font-weight: 600; font-size: 13px; border-bottom: 1px solid var(--rule-soft); position: sticky; top: 0; background: var(--paper); z-index: 2; }
.rail-h .n { color: var(--ink-3); font-weight: 400; }
.rail-h .hint { color: var(--ink-3); font-weight: 400; font-size: 11.5px; }
.filegroup { padding: 10px 14px 4px; }
.filegroup .fpath { font: 11px var(--mono); color: var(--ink-3); margin-bottom: 4px; display: flex; justify-content: space-between; gap: 8px; }
.filegroup .fpath b { color: var(--ink-2); font-weight: 500; }
.filegroup .fpath a:hover { color: var(--ink); text-decoration: underline; }
.row { display: grid; grid-template-columns: 16px 1fr; gap: 8px; align-items: start; padding: 5px 6px 5px 4px; margin: 0 -6px; cursor: pointer; border: 1px solid transparent; position: relative; }
.row:hover { background: var(--press); }
.row.sel { border-color: var(--ink); }
.row.origin { background: var(--accent-soft); border-color: var(--accent-line); }
.row .nm { font: 12.5px var(--mono); color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row .meta { color: var(--ink-3); font-size: 11px; margin-top: 1px; display: flex; flex-wrap: wrap; gap: 4px 8px; align-items: baseline; }
.row .kindlbl { color: var(--ink-3); }
.row .chip { font: 11px var(--mono); color: var(--ink-2); border: 1px solid var(--rule-soft); padding: 0 4px; background: var(--paper); }
.row .chip:hover { border-color: var(--ink); color: var(--ink); }
.row.uncertain .nm, .row.stub .nm { color: var(--ink-2); }
.row.uncertain .nm { text-decoration: underline dotted var(--ink-4); text-underline-offset: 3px; }
.row.stub { cursor: default; }
.row.stub .nm::after { content: ' ·'; color: var(--ink-4); }
.fold { padding: 8px 14px; }
.fold > summary { cursor: pointer; color: var(--ink-2); font-size: 12px; list-style: none; display: flex; gap: 6px; align-items: baseline; }
.fold > summary::before { content: '+'; font-family: var(--mono); color: var(--ink-3); width: 10px; }
.fold[open] > summary::before { content: '−'; }
.fold .body { padding: 6px 0 0 16px; color: var(--ink-2); font-size: 12px; }
.fold .body .fp { font: 11px var(--mono); color: var(--ink-2); padding: 2px 0; }
.note { padding: 8px 14px; color: var(--ink-3); font-size: 11.5px; line-height: 1.4; }
/* ---------- focus card ---------- */
.card-h { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 12px; }
.card-h h1 { margin: 0; font: 600 20px/1.2 var(--mono); letter-spacing: -0.01em; }
.card-h .kindword { color: var(--ink-3); font-size: 12.5px; }
.card-h .loc { font: 11.5px var(--mono); color: var(--ink-2); }
.card-h .loc a:hover { text-decoration: underline; }
.badges { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.badge { font-size: 11.5px; color: var(--ink-2); border: 1px solid var(--rule-soft); padding: 2px 7px; background: var(--paper); display: inline-flex; gap: 5px; align-items: center; }
.badge.ok { border-color: var(--rule-soft); }
.badge.warn { color: var(--amber); border-color: var(--amber); background: var(--amber-soft); }
.badge.hub { border-color: var(--ink); }
.badge .sw { width: 8px; height: 8px; border: 1px solid currentColor; display: inline-block; }
.badge.warn .sw { background: currentColor; }
.sig { margin-top: 10px; font: 12px var(--mono); color: var(--ink-2); white-space: pre-wrap; word-break: break-word; }
.doc { margin-top: 8px; color: var(--ink-2); font-size: 12.5px; max-width: 70ch; white-space: pre-wrap; }
.parents { margin-top: 6px; font: 11.5px var(--mono); color: var(--ink-3); }
.parents a:hover { color: var(--ink); text-decoration: underline; }
.rel { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 6px; align-items: baseline; font-size: 12px; color: var(--ink-3); }
.rel .chip { font: 11.5px var(--mono); color: var(--ink-2); border: 1px solid var(--rule-soft); padding: 1px 6px; cursor: pointer; background: var(--paper); }
.rel .chip:hover { border-color: var(--ink); color: var(--ink); }
/* code */
.code { margin-top: 16px; border-top: 1px solid var(--rule); padding-top: 6px; font: var(--code-size)/var(--code-lh) var(--mono); }
.ln { display: grid; grid-template-columns: 44px 1fr 18px; align-items: stretch; position: relative; }
.ln:hover { background: var(--paper-2); }
.ln.hot { background: var(--accent-soft); }
.ln .no { color: var(--ink-4); text-align: right; padding-right: 12px; user-select: none; font-size: 11px; }
.ln .tx { white-space: pre; overflow-x: auto; scrollbar-width: none; }
.ln .tx::-webkit-scrollbar { display: none; }
.ln .port { position: relative; }
.ln .port i { position: absolute; right: 4px; top: 7px; width: 6px; height: 6px; border: 1px solid var(--ink-3); background: var(--paper); }
.ln .port i.sure { background: var(--ink-3); }
.ln.hot .port i { border-color: var(--accent); background: var(--accent); }
.gap { color: var(--ink-4); padding: 2px 0 2px 44px; font-size: 11px; border-top: 1px dashed var(--rule-soft); border-bottom: 1px dashed var(--rule-soft); margin: 2px 0; }
.t-c { color: var(--ink-3); }
.t-s { color: var(--ink-2); }
.t-k { font-weight: 500; }
.t-n { color: var(--ink-2); }
.t-def { font-weight: 600; }
.ref { color: var(--accent); cursor: pointer; text-decoration: underline; text-decoration-color: var(--accent-line); text-underline-offset: 3px; }
.ref:hover, .ref.hot { text-decoration-color: var(--accent); background: var(--accent-soft); }
.ref.uncertain { color: var(--ink-2); text-decoration-style: dotted; text-decoration-color: var(--ink-4); }
.ref.stub { color: var(--ink-2); text-decoration-color: var(--rule-soft); cursor: default; }
/* callee rail rows (absolutely positioned to lines) */
.rail-right .rrow { position: absolute; left: 14px; right: 12px; height: 34px; display: grid; grid-template-columns: 16px 1fr; gap: 8px; align-items: center; padding: 0 6px; border: 1px solid transparent; cursor: pointer; }
.rail-right .rrow:hover { background: var(--press); }
.rail-right .rrow.sel { border-color: var(--ink); }
.rail-right .rrow.hot { background: var(--accent-soft); border-color: var(--accent-line); }
.rail-right .rrow.origin { background: var(--accent-soft); }
.rail-right .rrow .nm { font: 12.5px var(--mono); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rail-right .rrow .meta { font-size: 11px; color: var(--ink-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: flex; gap: 8px; }
.rail-right .rrow.uncertain .nm { color: var(--ink-2); text-decoration: underline dotted var(--ink-4); text-underline-offset: 3px; }
.rail-right .rrow.stub { cursor: default; }
.rail-right .rrow.stub .nm { color: var(--ink-2); }
.rail-right .rrow .tag { font-size: 10.5px; color: var(--ink-3); border: 1px solid var(--rule-soft); padding: 0 4px; }
.rail-right .rfold { position: absolute; left: 14px; right: 12px; }
.rail-right .rfold summary { cursor: pointer; color: var(--ink-2); font-size: 12px; list-style: none; padding: 6px; }
.rail-right .rfold summary::before { content: '+ '; font-family: var(--mono); color: var(--ink-3); }
.rail-right .rfold[open] summary::before { content: '− '; }
.rail-right .rfold .body .rrow { position: static; height: auto; padding: 4px 6px; }
.rail-right .rnote { position: absolute; left: 20px; right: 12px; color: var(--ink-3); font-size: 11.5px; line-height: 1.4; }
.rail-right .rail-h { position: sticky; }
/* blast radius */
.blast { margin-top: 22px; border-top: 1px solid var(--rule); padding-top: 10px; }
.blast .bh { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; }
.blast .bh b { font-weight: 600; }
.blast .stat { font-size: 12.5px; color: var(--ink-2); }
.blast .stat strong { color: var(--ink); font-weight: 600; font-variant-numeric: tabular-nums; }
.blast .bar { height: 6px; background: var(--press); margin-top: 8px; position: relative; max-width: 420px; }
.blast .bar i { position: absolute; left: 0; top: 0; bottom: 0; background: var(--ink-2); }
.blast .bar i.direct { background: var(--ink); }
.blast .legend { color: var(--ink-3); font-size: 11.5px; margin-top: 4px; }
.blast details { margin-top: 8px; }
.blast summary { cursor: pointer; color: var(--ink-2); font-size: 12px; list-style: none; }
.blast summary::before { content: '+ '; font-family: var(--mono); color: var(--ink-3); }
.blast details[open] summary::before { content: '− '; }
/* members outline (class / interface / file) */
.outline { margin-top: 14px; border-top: 1px solid var(--rule); }
.orow { display: grid; grid-template-columns: 16px minmax(160px, auto) 1fr auto; gap: 10px; align-items: baseline; padding: 6px 4px; border-bottom: 1px solid var(--rule-faint); cursor: pointer; }
.orow:hover { background: var(--press); }
.orow .nm { font: 12.5px var(--mono); }
.orow .sig { font: 11.5px var(--mono); color: var(--ink-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.orow .cnt { font: 11px var(--mono); color: var(--ink-3); white-space: nowrap; font-variant-numeric: tabular-nums; }
.orow.nested { padding-left: 22px; }
.orow.dimmed .nm { color: var(--ink-3); }
.subh { margin: 18px 0 4px; font-weight: 600; font-size: 13px; display: flex; gap: 8px; align-items: baseline; }
.subh .n { color: var(--ink-3); font-weight: 400; }
/* ---------- file view ---------- */
.fileview { display: grid; grid-template-columns: 300px minmax(480px, 1fr) 300px; height: 100%; }
.fileview .rail-left, .fileview .rail-r2 { overflow: auto; }
.fileview .rail-r2 { border-left: 1px solid var(--rule-soft); }
.fileview .center { overflow: auto; }
.filerow { display: block; padding: 5px 14px; font: 12px var(--mono); color: var(--ink-2); cursor: pointer; border-bottom: 1px solid var(--rule-faint); }
.filerow:hover { background: var(--press); color: var(--ink); }
.filerow.stubf { color: var(--ink-3); cursor: default; }
/* ---------- flow view ---------- */
.flow { height: 100%; overflow: auto; padding: 18px 22px; }
.flow-h { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px 18px; margin-bottom: 14px; }
.flow-h h2 { margin: 0; font-size: 16px; font-weight: 600; }
.flow-h select { font: 12.5px var(--sans); border: 1px solid var(--rule-soft); background: var(--paper-2); color: var(--ink); padding: 4px 8px; }
.strip { display: flex; align-items: flex-start; gap: 0; overflow-x: auto; padding-bottom: 18px; }
.hopcard { flex: 0 0 380px; border: 1px solid var(--rule-soft); background: var(--paper); cursor: pointer; }
.hopcard:hover { border-color: var(--ink); }
.hopcard.cur { border-color: var(--accent); }
.hopcard .hh { padding: 10px 12px 6px; border-bottom: 1px solid var(--rule-faint); display: grid; grid-template-columns: 16px 1fr; gap: 8px; align-items: start; }
.hopcard .hh .nm { font: 600 13px var(--mono); }
.hopcard .hh .loc { font: 11px var(--mono); color: var(--ink-3); }
.hopcard .hh .stepno { color: var(--ink-3); font-size: 11px; font-family: var(--mono); }
.hopcard .win { padding: 6px 0 8px; font: 12px/19px var(--mono); }
.hopcard .win .ln { grid-template-columns: 40px 1fr 6px; }
.hopcard .win .ln .no { font-size: 10.5px; }
.hopcard .win .ln .tx { white-space: pre; overflow: hidden; text-overflow: ellipsis; }
.hopcard .nosrc { padding: 10px 12px; color: var(--ink-3); font-size: 12px; }
.hoplink { flex: 0 0 86px; display: flex; flex-direction: column; align-items: center; padding-top: 14px; color: var(--ink-3); font: 11px var(--mono); text-align: center; gap: 4px; }
.hoplink svg { width: 86px; height: 14px; display: block; }
.hoplink svg line { stroke: var(--ink-3); stroke-width: 1; }
.hoplink svg polygon { fill: var(--ink-3); }
.hoplink.uncertain svg line { stroke-dasharray: 2 3; }
.hoplink.heur svg line { stroke-dasharray: 5 3; }
.hoplink .lbl { max-width: 84px; line-height: 1.3; }
.endcap { flex: 0 0 240px; border: 1px dashed var(--rule-soft); padding: 12px; color: var(--ink-2); font-size: 12px; line-height: 1.45; align-self: stretch; }
.endcap b { color: var(--ink); font-weight: 600; }
.flow-note { color: var(--ink-3); font-size: 12px; max-width: 78ch; line-height: 1.5; }
/* ---------- map view ---------- */
.mapview { display: grid; grid-template-columns: minmax(600px, 1fr) 320px; height: 100%; }
.mapstage { position: relative; overflow: auto; }
.mapstage svg { display: block; width: 100%; }
.mapside details { margin: 4px 0 10px; }
.mapside summary::-webkit-details-marker { display: none; }
.mapside { border-left: 1px solid var(--rule-soft); overflow: auto; padding: 14px 16px; }
.mapside h2 { margin: 0 0 6px; font-size: 15px; font-weight: 600; }
.mapside p { margin: 0 0 10px; color: var(--ink-2); font-size: 12.5px; line-height: 1.5; max-width: 40ch; }
.mapside .toggle { display: flex; gap: 8px; align-items: center; font-size: 12.5px; color: var(--ink-2); margin: 10px 0 14px; cursor: pointer; }
.mapside .toggle input { margin: 0; accent-color: var(--ink); }
.mapside .cyc { font: 11.5px var(--mono); color: var(--ink-2); padding: 3px 0; }
.mapside .cyc b { color: var(--accent); font-weight: 500; }
.mapside .modlist { margin-top: 8px; }
.mapside .edgeinfo { margin-top: 12px; border-top: 1px solid var(--rule-soft); padding-top: 10px; }
.mapside .edgeinfo .pair { font: 11.5px var(--mono); color: var(--ink-2); padding: 2px 0; display: flex; justify-content: space-between; gap: 10px; }
.mapside .edgeinfo .pair b { color: var(--ink); font-weight: 500; }
.mnode rect { fill: var(--paper); stroke: var(--ink); stroke-width: 1; }
.mnode text { font: 13px var(--mono); fill: var(--ink); }
.mnode .cnt { font-size: 11px; fill: var(--ink-3); }
.mnode.test rect { stroke-dasharray: 4 3; stroke: var(--ink-3); }
.mnode.test text { fill: var(--ink-2); }
.mnode:hover rect, .mnode.sel rect { stroke-width: 2; fill: var(--press); }
.mnode.dimmed rect { stroke: var(--ink-4); }
.mnode.dimmed text { fill: var(--ink-4); }
.medge { fill: none; stroke: var(--ink); stroke-opacity: 0.28; cursor: pointer; }
.medge:hover, .medge.hot { stroke-opacity: 0.95; }
.medge.dimmed { stroke-opacity: 0.06; }
.medge.cycle { stroke: var(--accent); stroke-opacity: 0.6; }
.medge-hit { fill: none; stroke: transparent; stroke-width: 12; cursor: pointer; }
.layerlbl { font: 12px var(--sans); fill: var(--ink-3); }
.layerline { stroke: var(--rule-faint); stroke-width: 1; }
.tip { position: absolute; z-index: 20; background: var(--paper); border: 1px solid var(--ink); padding: 8px 10px; font-size: 12px; color: var(--ink); pointer-events: none; max-width: 320px; }
.tip .mono { font-size: 11.5px; }
.tip .row2 { display: flex; justify-content: space-between; gap: 12px; color: var(--ink-2); }
/* ---------- misc ---------- */
.toast { position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%); background: var(--ink); color: var(--paper); padding: 8px 14px; font-size: 12.5px; z-index: 50; max-width: 70ch; }
.kbd { font: 11px var(--mono); border: 1px solid var(--rule-soft); padding: 0 4px; color: var(--ink-2); background: var(--paper); }
.emptystate { padding: 40px; color: var(--ink-2); max-width: 60ch; line-height: 1.5; }
.emptystate h2 { margin: 0 0 8px; font-size: 16px; }
@media (max-width: 1100px) { .focus { grid-template-columns: 240px 1fr; } .stage-inner { grid-template-columns: minmax(360px, 1fr) 260px; } .fileview { grid-template-columns: 220px 1fr 220px; } .mapview { grid-template-columns: 1fr 260px; } }