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<!doctype html>
<html lang="en" data-theme="dark">
<head>
<meta charset="utf-8"/>
<meta name="viewport" content="width=device-width,initial-scale=1,viewport-fit=cover"/>
<title>FortGraph: Fortran Dependency Tracker</title>
<style>
/* ── Theme tokens ─────────────────────────────────────────────────────────── */
[data-theme="dark"]{
--bg-body:linear-gradient(165deg,#050816 0%,#08101f 46%,#0d1730 100%);
--bg-radial1:rgba(66,165,245,0.10);
--bg-radial2:rgba(38,166,154,0.06);
--shell-line:rgba(117,142,167,0.14);
--panel-bg:rgba(6,12,26,0.96);
--panel-bg-soft:rgba(8,16,32,0.90);
--panel-border:rgba(117,142,167,0.16);
--panel-border-strong:rgba(117,142,167,0.28);
--text:#eef4fb;
--muted:#8196ac;
--muted-strong:#bac8d8;
--input-bg:rgba(5,10,22,0.92);
--input-border:rgba(117,142,167,0.22);
--input-hover:rgba(66,165,245,0.12);
--item-hover:rgba(66,165,245,0.08);
--item-sel-bg:rgba(66,165,245,0.14);
--item-sel-border:rgba(100,181,246,0.38);
--surface-raised:rgba(255,255,255,0.025);
--surface-muted:rgba(255,255,255,0.018);
--surface-emphasis:rgba(66,165,245,0.09);
--surface-danger:rgba(251,113,133,0.10);
--surface-warning:rgba(245,158,11,0.11);
--surface-success:rgba(16,185,129,0.11);
--accent:#64b5f6;
--accent-strong:#90caf9;
--accent-soft:rgba(100,181,246,0.14);
--accent-glow:rgba(100,181,246,0.22);
--graph-stroke:rgba(117,142,167,0.10);
--cy-bg:transparent; --cy-edge-label:#dbe5ee; --cy-edge-text-bg:#08101f;
--cy-node-mod:#1565c0; --cy-node-sub:#512da8; --cy-node-ext:#00695c;
--accent-m:#42a5f5; --accent-s:#9575cd; --accent-e:#26a69a;
--path-color:#f59e0b;
--path-soft:rgba(245,158,11,0.12); --path-soft2:rgba(245,158,11,0.16); --path-border:rgba(245,158,11,0.38); --path-border2:rgba(245,158,11,0.62);
--gold:#f59e0b; --red:#fb7185; --green:#10b981; --cyan:#64b5f6; --warm:#fb923c;
--gold-soft:rgba(245,158,11,0.12); --gold-soft2:rgba(245,158,11,0.09); --gold-border:rgba(245,158,11,0.34); --gold-border2:rgba(245,158,11,0.52);
--red-soft:rgba(251,113,133,0.12);
--green-soft:rgba(16,185,129,0.10);
--muted-soft:rgba(129,150,172,0.12);
--accent-m-soft:rgba(66,165,245,0.16); --accent-s-soft:rgba(149,117,205,0.16); --accent-e-soft:rgba(38,166,154,0.14);
}
[data-theme="light"]{
--bg-body:#ffffff;
--bg-radial1:rgba(255,255,255,0);
--bg-radial2:rgba(255,255,255,0);
--shell-line:rgba(103,126,154,0.12);
--panel-bg:rgba(255,255,255,0.94);
--panel-bg-soft:rgba(252,253,255,0.90);
--panel-border:rgba(103,126,154,0.12);
--panel-border-strong:rgba(103,126,154,0.20);
--text:#10243e;
--muted:#60738a;
--muted-strong:#31455f;
--input-bg:rgba(255,255,255,0.98);
--input-border:rgba(144,164,174,0.34);
--input-hover:rgba(66,165,245,0.08);
--item-hover:rgba(66,165,245,0.06);
--item-sel-bg:rgba(66,165,245,0.11);
--item-sel-border:rgba(66,165,245,0.28);
--surface-raised:rgba(255,255,255,0.88);
--surface-muted:rgba(245,249,252,0.94);
--surface-emphasis:rgba(66,165,245,0.08);
--surface-danger:rgba(220,38,38,0.08);
--surface-warning:rgba(202,138,4,0.10);
--surface-success:rgba(5,150,105,0.08);
--accent:#1e88e5;
--accent-strong:#1565c0;
--accent-soft:rgba(30,136,229,0.10);
--accent-glow:rgba(30,136,229,0.18);
--graph-stroke:rgba(208,220,231,0.18);
--cy-bg:transparent; --cy-edge-label:#31455f; --cy-edge-text-bg:#ffffff;
--cy-node-mod:#ef5350; --cy-node-sub:#f57c4d; --cy-node-ext:#ad4258;
--accent-m:#ef5350; --accent-s:#f57c4d; --accent-e:#ad4258;
--path-color:#d97706;
--path-soft:rgba(217,119,6,0.10); --path-soft2:rgba(217,119,6,0.13); --path-border:rgba(217,119,6,0.28); --path-border2:rgba(217,119,6,0.48);
--gold:#ca8a04; --red:#dc2626; --green:#059669; --cyan:#1e88e5; --warm:#ea580c;
--gold-soft:rgba(202,138,4,0.10); --gold-soft2:rgba(202,138,4,0.08); --gold-border:rgba(202,138,4,0.24); --gold-border2:rgba(202,138,4,0.40);
--red-soft:rgba(220,38,38,0.10);
--green-soft:rgba(5,150,105,0.08);
--muted-soft:rgba(96,115,138,0.12);
--accent-m-soft:rgba(239,83,80,0.12); --accent-s-soft:rgba(245,124,77,0.12); --accent-e-soft:rgba(173,66,88,0.12);
}
/* ── Base ─────────────────────────────────────────────────────────────────── */
*{box-sizing:border-box;margin:0;padding:0}
:root{--sidebar-w:360px}
html,body{height:100%;overflow:hidden;
background:radial-gradient(circle at top left,var(--bg-radial1),transparent 0%),
radial-gradient(circle at bottom right,var(--bg-radial2),transparent 0%),
var(--bg-body);
color:var(--text);font-family:"IBM Plex Sans","Segoe UI","Apple Color Emoji","Segoe UI Emoji",sans-serif;
}
body.sidebar-open{overflow:hidden}
.shell{position:relative;display:grid;grid-template-columns:minmax(0,1fr) var(--sidebar-w);height:100vh;transition:grid-template-columns 180ms ease}
body.sidebar-collapsed .shell{grid-template-columns:minmax(0,1fr) 0}
.stage{position:relative;overflow:hidden;height:100vh;border-right:1px solid var(--shell-line)}
#cy{position:absolute;inset:0;width:100%;height:100%;background:var(--cy-bg)}
.appbar{position:absolute;top:18px;left:18px;right:auto;display:flex;flex-direction:column;
align-items:flex-start;gap:10px;padding:12px 14px;border:1px solid var(--panel-border);background:var(--panel-bg-soft);z-index:6;
backdrop-filter:blur(12px);box-shadow:0 18px 40px rgba(2,6,23,0.14);border-radius:16px;
width:min(350px,calc(100vw - var(--sidebar-w) - 32px));
max-width:calc(100vw - var(--sidebar-w) - 32px);
animation:barIn 360ms ease}
.brand-block{display:flex;flex-direction:column;gap:4px;min-width:0}
.brand-kicker{font-size:10px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.brand-title{font-size:20px;line-height:.98;font-weight:700;letter-spacing:-.04em;overflow-wrap:anywhere}
.brand-copy{display:none}
.appbar-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;min-width:0;font-size:12px;line-height:1.35;color:var(--muted-strong)}
.appbar-meta strong{font-size:12px;color:var(--text)}
.meta-sep{opacity:.45}
.appbar-actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px;flex-shrink:0;min-width:0}
.appbar-controls{display:flex;flex-direction:column;gap:10px;width:100%;min-width:0}
.appbar-control-row{display:flex;flex-wrap:wrap;align-items:flex-start;gap:8px;min-width:0}
.appbar-control-row.compact .app-btn{padding:8px 10px}
.appbar-slider{display:flex;align-items:center;gap:10px;min-width:0;flex:1 1 220px;padding:8px 10px;border:1px solid var(--input-border);
border-radius:12px;background:var(--surface-raised)}
.appbar-slider label{font-size:10px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);white-space:nowrap}
.appbar-slider input[type=range]{flex:1;min-width:76px}
.appbar-slider-value{min-width:38px;text-align:right;font-size:11px;font-weight:700;color:var(--text);font-variant-numeric:tabular-nums}
.app-btn,.btn,.tab,.lbtn,.tbtn,.hbtn{font-family:inherit}
.app-btn,.btn,.tab,.lbtn,.tbtn{
border:1px solid var(--input-border);background:var(--surface-raised);color:var(--text);
border-radius:12px;cursor:pointer;transition:background 140ms,border-color 140ms,color 140ms,opacity 140ms
}
.app-btn{padding:7px 10px;font-size:10px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}
.app-btn:hover,.btn:hover,.tab:hover,.lbtn:hover,.tbtn:hover{border-color:var(--accent);background:var(--input-hover)}
.app-btn.on{border-color:var(--gold-border2);background:var(--gold-soft);color:var(--gold)}
.app-btn.focus-btn.on{border-color:var(--accent);background:var(--accent-soft);color:var(--text)}
.app-btn.mobile-only{display:none}
.control-rail{position:absolute;top:18px;right:18px;display:flex;flex-direction:column;gap:12px;z-index:5;
width:min(264px,calc(100vw - 36px))}
.rail-panel{padding:12px;border-radius:16px;border:1px solid var(--panel-border);background:var(--panel-bg-soft);
backdrop-filter:blur(10px);box-shadow:0 18px 34px rgba(2,6,23,0.12)}
.rail-title{margin-bottom:8px;font-size:10px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.toolbar-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.toolbar-grid .lbtn:last-child:nth-child(odd){grid-column:1/-1}
.lbtn{padding:8px 10px;font-size:11px;font-weight:600;background:transparent}
.rail-slider{display:flex;align-items:center;gap:8px}
.rail-stack{display:flex;flex-direction:column;gap:8px}
.tbtn{padding:10px 12px;text-align:left}
.tbtn strong{display:block;font-size:11px;margin-bottom:2px}
.tbtn span{display:block;color:var(--muted);font-size:10px;line-height:1.35}
.tbtn.on{border-color:var(--gold-border2);background:var(--gold-soft);color:var(--gold)}
.tbtn.path-on{border-color:var(--path-border2);background:var(--path-soft);color:var(--path-color)}
.tbtn:disabled{opacity:.45;cursor:not-allowed}
.sidebar-toggle-inline{display:flex;align-items:center;justify-content:center;align-self:stretch;gap:8px;padding:10px 12px;border:1px solid var(--panel-border-strong);
border-radius:14px;background:var(--panel-bg);color:var(--text);backdrop-filter:blur(10px);box-shadow:0 14px 30px rgba(2,6,23,0.18);
cursor:pointer;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;position:relative;z-index:1}
.sidebar-toggle-inline:hover{border-color:var(--accent);background:var(--input-hover)}
.collapsed-hint{display:none;align-self:stretch;padding:10px 12px;border-radius:14px;border:1px dashed var(--panel-border-strong);background:var(--panel-bg-soft);
color:var(--muted-strong);font-size:11px;line-height:1.4}
body.sidebar-collapsed .collapsed-hint{display:block}
.graph-key{position:absolute;left:18px;bottom:18px;display:flex;flex-wrap:wrap;gap:8px;max-width:min(680px,calc(100vw - 54px));z-index:5;
animation:barIn 420ms ease}
.key-chip{display:inline-flex;align-items:center;gap:7px;padding:8px 11px;border-radius:999px;border:1px solid var(--panel-border);
background:var(--panel-bg-soft);backdrop-filter:blur(10px);font-size:11px;color:var(--muted-strong)}
.leg-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.stage-empty{position:absolute;inset:0;display:grid;place-items:center;padding:32px;pointer-events:none;z-index:2;
opacity:0;transition:opacity 180ms ease}
.stage-empty.is-visible{opacity:1}
.stage-empty-copy{max-width:540px;text-align:center;padding:22px 24px;border-radius:24px;
background:rgba(255,255,255,0.02);
border:1px solid var(--panel-border);backdrop-filter:blur(10px);box-shadow:0 16px 40px rgba(2,6,23,0.06)}
.stage-empty-kicker{margin-bottom:10px;font-size:10px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
.stage-empty-title{font-size:clamp(20px,2.6vw,30px);line-height:1.08;letter-spacing:-.04em;font-weight:700;color:var(--text)}
.stage-empty-body{margin-top:10px;font-size:13px;line-height:1.6;color:var(--muted-strong)}
.stage-empty-body code{padding:2px 6px;border-radius:999px;background:var(--surface-emphasis);color:var(--text);font-family:inherit;font-weight:700}
/* ── Sidebar / inspector ─────────────────────────────────────────────────── */
.sidebar{background:var(--panel-bg);display:flex;flex-direction:column;overflow:hidden;z-index:7;min-width:0;position:relative}
.sidebar-resize{position:absolute;left:0;top:0;bottom:0;width:12px;transform:translateX(-50%);cursor:col-resize;z-index:9}
.sidebar-resize::before{content:'';position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:4px;height:68px;border-radius:999px;background:var(--panel-border-strong);opacity:.8;transition:background 140ms ease,opacity 140ms ease}
.sidebar-resize:hover::before,.sidebar-resize.dragging::before{background:var(--accent);opacity:1}
body.sidebar-collapsed .sidebar{border-left:none;opacity:0;pointer-events:none}
.sidebar-header{padding:18px 18px 14px;border-bottom:1px solid var(--shell-line);display:flex;justify-content:space-between;gap:12px}
.sidebar-copy{min-width:0}
.sidebar-kicker{font-size:10px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.sidebar-title{display:none}
.sidebar-sub{display:none}
.sidebar-close{display:none}
.inspector-meta{display:flex;flex-wrap:wrap;gap:7px;padding:12px 18px;border-bottom:1px solid var(--shell-line)}
.tabs{display:flex;gap:8px;padding:14px 18px 0;flex-shrink:0}
.tab{flex:1;padding:11px 8px;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;background:transparent;color:var(--muted)}
.tab.on{background:var(--accent-soft);border-color:var(--item-sel-border);color:var(--text)}
.body{flex:1;overflow-y:auto;padding:18px}
.panel-section{padding:0 0 18px;margin-bottom:18px;border-bottom:1px solid var(--shell-line)}
.panel-section:last-child{border-bottom:none;margin-bottom:0;padding-bottom:4px}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.section-title{font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.section-copy{display:none}
.sticky-search{position:sticky;top:0;z-index:2;background:linear-gradient(180deg,var(--panel-bg) 72%,transparent);padding-bottom:12px}
.summary-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-bottom:12px}
.summary-cell{padding:10px 11px;border-radius:12px;border:1px solid var(--panel-border);background:var(--surface-muted)}
.summary-label{font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.summary-value{margin-top:5px;font-size:16px;font-weight:700;letter-spacing:-.02em}
.quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.quick-grid .btn{min-width:0}
/* ── Form ─────────────────────────────────────────────────────────────────── */
.lbl{margin:12px 0 6px;color:var(--muted);font-size:10px;font-weight:700;letter-spacing:.16em;text-transform:uppercase}
.lbl:first-child{margin-top:0}
.row{display:flex;gap:8px;margin-bottom:8px}
.fi{flex:1;padding:10px 11px;border:1px solid var(--input-border);border-radius:12px;background:var(--input-bg);
color:var(--text);font:inherit;font-size:12px;line-height:1.35}
.fi:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}
.fi::placeholder{color:var(--muted);opacity:.8}
select.fi{cursor:pointer}
textarea.fi{resize:vertical;min-height:84px}
.btn{padding:10px 12px;font-size:11px;font-weight:700;white-space:nowrap}
.btn-full{width:100%;text-align:left}
.btn-warn:hover{border-color:var(--gold);background:var(--gold-soft);color:var(--gold)}
.btn-danger{color:var(--text)}
.btn-danger:hover{border-color:var(--red);background:var(--red-soft);color:var(--red)}
.msg{margin-top:8px;padding:9px 10px;border-radius:12px;background:var(--accent-soft);color:var(--accent-strong);
font-size:11px;line-height:1.55;white-space:pre-wrap}
.msg.ok{background:var(--green-soft);color:var(--green)}
/* ── Nodes list ──────────────────────────────────────────────────────────── */
.list-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.list-copy{font-size:12px;color:var(--muted-strong)}
.nlist{display:flex;flex-direction:column;gap:6px}
.nli{display:flex;align-items:center;gap:8px;padding:10px 10px;border-radius:12px;
cursor:pointer;font-size:12px;border:1px solid transparent;transition:background 120ms,border-color 120ms,opacity 120ms}
.nli:hover{background:var(--item-hover)}
.nli.sel{background:var(--item-sel-bg);border-color:var(--item-sel-border)}
.nli.in-path{background:var(--path-soft2);border-color:var(--path-border)}
.nli.hidden-row{opacity:.52}
.ndot{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.nname{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text)}
.ntag{font-size:9px;padding:3px 6px;border-radius:999px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.ntag-m{background:var(--accent-m-soft);color:var(--accent-m)}
.ntag-s{background:var(--accent-s-soft);color:var(--accent-s)}
.ntag-e{background:var(--accent-e-soft);color:var(--accent-e)}
.ntag-h{background:var(--muted-soft);color:var(--muted)}
.ntag-p{background:var(--path-soft);color:var(--path-color)}
.hbtn{margin-left:2px;flex-shrink:0;background:none;border:none;color:var(--muted);font-size:13px;padding:2px 4px;border-radius:6px;opacity:.8}
.hbtn:hover{opacity:1;color:var(--text);background:var(--surface-raised)}
.empty-state{padding:18px 14px;border:1px dashed var(--panel-border-strong);border-radius:14px;background:var(--surface-muted)}
.empty-title{font-size:13px;font-weight:700}
.empty-copy{display:none}
/* ── Detail / inspect ────────────────────────────────────────────────────── */
.focus-toggle{margin-bottom:12px}
.status-strip{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.status-chip{display:inline-flex;align-items:center;gap:6px;padding:7px 9px;border-radius:999px;border:1px solid var(--panel-border);background:var(--surface-muted);font-size:11px;color:var(--muted-strong)}
.path-banner,.hbanner{margin-bottom:12px;padding:10px 11px;border-radius:12px;font-size:11px;line-height:1.45}
.hbanner{background:var(--gold-soft2);color:var(--gold);border:1px solid var(--gold-border)}
.path-banner{background:var(--path-soft);color:var(--path-color);border:1px solid var(--path-border)}
.dcard{padding:14px;border-radius:16px;border:1px solid var(--panel-border-strong);background:var(--surface-emphasis)}
.dbadge{display:inline-block;margin-bottom:10px;padding:4px 8px;border-radius:999px;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.11em}
.dtitle{margin:0 0 10px;font-size:22px;line-height:1.02;letter-spacing:-.04em}
.detail-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
.detail-stat{padding:8px 10px;border-radius:12px;border:1px solid var(--panel-border);background:var(--surface-raised);min-width:92px}
.detail-stat-label{font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.detail-stat-value{margin-top:4px;font-size:13px;font-weight:700;overflow-wrap:anywhere;word-break:break-word}
.dblock{margin-top:14px;padding-top:14px;border-top:1px solid var(--shell-line)}
.dlbl{margin:0 0 7px;color:var(--muted);font-size:10px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{display:inline-flex;align-items:center;padding:6px 9px;border-radius:999px;border:1px solid transparent;font-size:11px;cursor:pointer}
.chip:hover{border-color:currentColor}
.relation-list{display:flex;flex-direction:column;gap:8px}
.relation-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 10px;border-radius:12px;border:1px solid var(--panel-border);background:var(--surface-raised)}
.relation-node{display:inline-flex;align-items:center;gap:8px;min-width:0;font-size:12px;font-weight:600;cursor:pointer}
.relation-node:hover{text-decoration:underline}
.relation-node-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.relation-label{flex-shrink:0;padding:4px 8px;border-radius:999px;background:var(--surface-muted);border:1px solid var(--panel-border);font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted-strong)}
.dtitle{overflow-wrap:anywhere;word-break:break-word}
.dacts{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.nshell{margin-top:14px;padding:14px;border-radius:16px;border:1px solid var(--panel-border);background:var(--surface-muted)}
.nhead{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:12px}
.nhead strong{display:flex;align-items:center;flex-wrap:wrap;gap:6px;font-size:13px;line-height:1.2}
.nclear{flex-shrink:0;padding:6px 9px;font-size:10px;line-height:1}
.nfields{display:flex;flex-direction:column;gap:10px}
.nfield{display:flex;flex-direction:column;gap:6px;min-width:0}
.nfield .lbl{margin:0}
.nfield .fi{width:100%}
.saved-badge{margin-left:6px;color:var(--warm);font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.nhelp{margin-top:7px;color:var(--muted);font-size:11px;line-height:1.45}
/* ── Range slider ───────────────────────────────────────────────────────── */
input[type=range]{-webkit-appearance:none;appearance:none;background:var(--input-border);border-radius:999px;height:4px;outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--accent);cursor:pointer;border:none}
input[type=range]::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:var(--accent);cursor:pointer;border:none}
/* ── Scrim / responsive ─────────────────────────────────────────────────── */
.sidebar-scrim{display:none}
body.focus-on .control-rail,body.focus-on .graph-key{opacity:0;pointer-events:none}
body.focus-on .appbar{width:auto;padding:8px 10px}
body.focus-on .brand-block,
body.focus-on .appbar-meta,
body.focus-on .appbar-controls,
body.focus-on #theme-btn,
body.focus-on #perf-btn,
body.focus-on #path-btn,
body.focus-on .app-btn.mobile-only{display:none}
body.performance-mode #cy{
background:linear-gradient(180deg,rgba(255,255,255,0.02),rgba(255,255,255,0.02)), #050505;
}
[data-theme="light"] body.performance-mode #cy,
body.performance-mode[data-theme="light"] #cy{
background:linear-gradient(180deg,rgba(0,0,0,0.015),rgba(0,0,0,0.015)), #ffffff;
}
body.performance-mode .graph-key .key-chip{
background:var(--surface-raised);
}
body.performance-mode .appbar,
body.performance-mode .rail-panel,
body.performance-mode .sidebar,
body.performance-mode .collapsed-hint,
body.performance-mode .summary-cell,
body.performance-mode .detail-stat,
body.performance-mode .status-chip,
body.performance-mode .dcard,
body.performance-mode .nshell,
body.performance-mode .empty-state,
body.performance-mode .key-chip,
body.performance-mode .meta-chip,
body.performance-mode .appbar-slider{
background:var(--surface-raised);
border-color:var(--panel-border-strong);
box-shadow:none;
backdrop-filter:none;
}
body.performance-mode .app-btn,
body.performance-mode .btn,
body.performance-mode .tab,
body.performance-mode .lbtn,
body.performance-mode .tbtn,
body.performance-mode .fi{
background:var(--surface-raised);
border-color:var(--panel-border-strong);
box-shadow:none;
}
body.performance-mode .app-btn.on,
body.performance-mode .app-btn.focus-btn.on,
body.performance-mode .tbtn.on,
body.performance-mode .tbtn.path-on,
body.performance-mode .tab.on{
background:var(--surface-muted);
border-color:var(--text);
color:var(--text);
}
body.performance-mode .dbadge,
body.performance-mode .chip,
body.performance-mode .ntag,
body.performance-mode .path-banner,
body.performance-mode .hbanner,
body.performance-mode .msg{
background:var(--surface-muted) !important;
border-color:var(--panel-border-strong) !important;
color:var(--text) !important;
}
body.performance-mode .leg-dot,
body.performance-mode .ndot{
background:var(--text) !important;
}
[data-theme="dark"] body.performance-mode,
body.performance-mode[data-theme="dark"]{
--panel-bg:#050505;
--panel-bg-soft:#0a0a0a;
--panel-border:rgba(255,255,255,0.16);
--panel-border-strong:rgba(255,255,255,0.32);
--input-bg:#050505;
--input-border:rgba(255,255,255,0.22);
--input-hover:rgba(255,255,255,0.08);
--surface-raised:#0a0a0a;
--surface-muted:#121212;
--surface-emphasis:#101010;
--shell-line:rgba(255,255,255,0.12);
--accent:#ffffff;
--accent-strong:#ffffff;
--accent-soft:rgba(255,255,255,0.08);
--accent-glow:rgba(255,255,255,0.14);
--gold:#ffffff;
--red:#ffffff;
--green:#ffffff;
--cyan:#ffffff;
--warm:#ffffff;
}
[data-theme="light"] body.performance-mode,
body.performance-mode[data-theme="light"]{
--panel-bg:#ffffff;
--panel-bg-soft:#ffffff;
--panel-border:rgba(0,0,0,0.12);
--panel-border-strong:rgba(0,0,0,0.24);
--input-bg:#ffffff;
--input-border:rgba(0,0,0,0.18);
--input-hover:rgba(0,0,0,0.04);
--surface-raised:#ffffff;
--surface-muted:#f7f7f7;
--surface-emphasis:#f3f3f3;
--shell-line:rgba(0,0,0,0.10);
--accent:#000000;
--accent-strong:#000000;
--accent-soft:rgba(0,0,0,0.06);
--accent-glow:rgba(0,0,0,0.10);
--gold:#000000;
--red:#000000;
--green:#000000;
--cyan:#000000;
--warm:#000000;
}
@keyframes barIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:1200px){
.appbar{max-width:calc(100vw - var(--sidebar-w) - 32px)}
}
@media(max-width:980px){
html,body{overflow:auto}
.shell{display:block;height:auto;min-height:100vh}
.stage{height:100vh;border-right:none}
.appbar{top:12px;left:12px;right:12px;width:auto;max-width:none;padding:10px 12px}
.brand-title{font-size:18px}
.appbar-meta{max-width:none;font-size:11px}
.appbar-slider{flex:1 1 100%}
.app-btn.mobile-only{display:inline-flex}
.sidebar-toggle-inline,.collapsed-hint{display:none !important}
.control-rail{top:auto;bottom:82px;left:12px;right:12px;width:auto}
.rail-panel{padding:10px}
.graph-key{left:12px;right:12px;bottom:16px;max-width:none}
.sidebar-scrim{display:block;position:fixed;inset:0;background:rgba(2,6,23,0.48);opacity:0;pointer-events:none;transition:opacity 160ms;z-index:8}
body.sidebar-open .sidebar-scrim{opacity:1;pointer-events:auto}
.sidebar{position:fixed;left:0;right:0;bottom:0;height:min(78vh,760px);border-top-left-radius:22px;border-top-right-radius:22px;
border:1px solid var(--panel-border-strong);border-bottom:none;transform:translateY(calc(100% + 12px));transition:transform 220ms ease;z-index:9}
.sidebar-resize{display:none}
body.sidebar-open .sidebar{transform:translateY(0)}
.sidebar-close{display:inline-flex}
.body{padding:16px}
}
@media(max-width:680px){
.appbar{gap:10px}
.appbar-actions{width:100%;justify-content:flex-start}
.appbar-control-row{width:100%}
.appbar-meta{max-width:none}
.toolbar-grid{grid-template-columns:1fr 1fr}
.summary-grid,.quick-grid{grid-template-columns:1fr}
.row{flex-direction:column}
}
</style>
<link rel="preconnect" href="https://fonts.googleapis.com"/>
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin/>
<link href="https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=IBM+Plex+Sans:wght@400;500;600;700&display=swap" rel="stylesheet"/>
<script src="https://unpkg.com/cytoscape@3.28.1/dist/cytoscape.min.js"></script>
<script src="https://unpkg.com/dagre@0.8.5/dist/dagre.min.js"></script>
<script src="https://unpkg.com/cytoscape-dagre@2.5.0/cytoscape-dagre.js"></script>
</head>
<body>
<div class="shell">
<div class="stage">
<header class="appbar" id="appbar">
<div class="brand-block">
<h1 class="brand-title">FortGraph</h1>
</div>
<div class="appbar-meta" id="appbar-meta"></div>
<div class="appbar-actions">
<button class="app-btn mobile-only" type="button" onclick="toggleSidebar(true)">Inspect</button>
<button class="app-btn" type="button" onclick="toggleTheme()" id="theme-btn">☀ Light</button>
<button class="app-btn" type="button" onclick="togglePerformanceMode()" id="perf-btn">Minimal</button>
<button class="app-btn focus-btn" type="button" onclick="toggleFocusMode()" id="focus-btn">Focus</button>
<button class="app-btn" type="button" onclick="togglePathMode()" id="path-btn">Path</button>
</div>
<div class="appbar-controls" id="appbar-controls"></div>
</header>
<div id="cy"></div>
<div class="stage-empty" id="stage-empty" aria-live="polite">
<div class="stage-empty-copy">
<div class="stage-empty-kicker">Graph Empty</div>
<div class="stage-empty-title">Start by building the first node.</div>
<div class="stage-empty-body">Use <code>Build</code> on the right sidebar to create nodes or import a JSON with graph data.</div>
</div>
</div>
<div class="control-rail" id="toolbar"></div>
<div class="graph-key" id="legend"></div>
</div>
<button class="sidebar-scrim" id="sidebar-scrim" type="button" aria-label="Close inspector" onclick="toggleSidebar(false)"></button>
<aside class="sidebar" id="sidebar">
<button class="sidebar-resize" id="sidebar-resize" type="button" aria-label="Resize sidebar" title="Drag to resize sidebar"></button>
<div class="sidebar-header">
<div class="sidebar-copy">
<h2 class="sidebar-title"></h2>
</div>
<button class="app-btn sidebar-close" type="button" onclick="toggleSidebar(false)">Close</button>
</div>
<div class="inspector-meta" id="sidebar-meta"></div>
<div class="tabs" id="tabs"></div>
<div class="body" id="panel"></div>
</aside>
</div>
<script>
'use strict';
if (typeof cytoscapeDagre !== 'undefined') cytoscape.use(cytoscapeDagre);
// ── Theme ─────────────────────────────────────────────────────────────────────
let theme = localStorage.getItem('fdt-theme') || 'light';
function applyTheme(t) {
theme = t;
document.documentElement.setAttribute('data-theme', t);
localStorage.setItem('fdt-theme', t);
const btn = document.getElementById('theme-btn');
if (btn) btn.textContent = t === 'dark' ? '☀ Light' : '☾ Dark';
if (cy) {
cy.style(buildCyStyle());
syncGraph();
renderSidebar();
}
}
function toggleTheme() { applyTheme(theme === 'dark' ? 'light' : 'dark'); }
// ── Storage ───────────────────────────────────────────────────────────────────
const STORAGE_KEY = 'fortran-dep-tracker-v1';
const HISTORY_LIMIT = 80;
let undoStack = [], redoStack = [];
function loadState() {
try {
const raw = localStorage.getItem(STORAGE_KEY);
if (!raw) return fresh();
const p = JSON.parse(raw);
return {
customNodes: Array.isArray(p.customNodes) ? p.customNodes : [],
customEdges: Array.isArray(p.customEdges) ? p.customEdges : [],
nodePositions: p.nodePositions || {},
hiddenNodeIds: Array.isArray(p.hiddenNodeIds) ? p.hiddenNodeIds : [],
perNode: p.perNode || {},
global: p.global || '',
focusMode: Boolean(p.focusMode),
textScale: typeof p.textScale==='number' ? p.textScale : 1.0,
performanceMode: Boolean(p.performanceMode),
quickJumpIds: Array.isArray(p.quickJumpIds) ? p.quickJumpIds : null,
};
} catch { return fresh(); }
}
function fresh() {
return { customNodes:[], customEdges:[], nodePositions:{}, hiddenNodeIds:[], perNode:{}, global:'', focusMode:false, textScale:1.0, performanceMode:false, quickJumpIds:null };
}
function saveState() { localStorage.setItem(STORAGE_KEY, JSON.stringify(state)); }
function snapState() {
return JSON.stringify({ customNodes:state.customNodes, customEdges:state.customEdges,
nodePositions:state.nodePositions, hiddenNodeIds:state.hiddenNodeIds });
}
let state = loadState();
let performanceReminderShown = false;
function applyState(next, record=true) {
if (record) {
const prev = snapState();
const after = JSON.stringify({ customNodes:next.customNodes||state.customNodes,
customEdges:next.customEdges||state.customEdges,
nodePositions:next.nodePositions||state.nodePositions,
hiddenNodeIds:next.hiddenNodeIds||state.hiddenNodeIds });
if (prev !== after) {
undoStack.push(JSON.parse(prev));
if (undoStack.length > HISTORY_LIMIT) undoStack.shift();
redoStack = [];
}
}
state = { ...state, ...next };
saveState(); syncGraph(); renderSidebar();
}
function undo() {
if (!undoStack.length) return;
redoStack.push(JSON.parse(snapState()));
const prev = undoStack.pop();
state = { ...state, ...prev };
saveState(); syncGraph(); renderSidebar();
}
function redo() {
if (!redoStack.length) return;
undoStack.push(JSON.parse(snapState()));
const next = redoStack.pop();
state = { ...state, ...next };
saveState(); syncGraph(); renderSidebar();
}
function clearAllCache() {
if (!confirm('This will permanently delete ALL nodes, edges, notes, and cached data. Continue?')) return;
localStorage.removeItem(STORAGE_KEY);
state = fresh();
undoStack = []; redoStack = [];
selectedId = null; pathSet.clear();
syncGraph(); renderSidebar();
}
// ── Path selection mode ───────────────────────────────────────────────────────
let pathMode = false;
let pathSet = new Set(); // node IDs in current path selection
function togglePathMode() {
pathMode = !pathMode;
if (!pathMode) { pathSet.clear(); selectedId = null; }
applyHighlight(); renderSidebar(); renderToolbar();
}
function clearPath() { pathSet.clear(); applyHighlight(); renderSidebar(); }
// ── Keyboard shortcuts ────────────────────────────────────────────────────────
document.addEventListener('keydown', e => {
const tag = document.activeElement?.tagName;
const inInput = tag === 'INPUT' || tag === 'TEXTAREA' || tag === 'SELECT';
// Undo / Redo
if ((e.metaKey || e.ctrlKey) && !e.altKey && e.key.toLowerCase() === 'z') {
e.preventDefault(); e.shiftKey ? redo() : undo(); return;
}
// Cmd/Ctrl+H — hide selected node
if ((e.metaKey || e.ctrlKey) && !e.altKey && e.key.toLowerCase() === 'h') {
e.preventDefault();
if (selectedId) toggleHide(selectedId);
return;
}
// Delete / Backspace — delete selected node (not when typing)
if ((e.key === 'Delete' || e.key === 'Backspace') && !inInput) {
if (selectedId) { deleteNode(selectedId); }
return;
}
// Escape — deselect / exit path mode
if (e.key === 'Escape') {
if (pathMode) { togglePathMode(); }
else { selectedId = null; applyHighlight(); renderSidebar(); }
}
});
// ── Cytoscape ─────────────────────────────────────────────────────────────────
let selectedId = null;
const DEFAULT_MIN_ZOOM = 0.002;
const DEFAULT_MAX_ZOOM = 3;
const DEFAULT_FIT_PADDING = 40;
const DEFAULT_SLIDER_MIN_ZOOM = 0.02;
const DEFAULT_SLIDER_MAX_ZOOM = 2.5;
const cy = cytoscape({
container: document.getElementById('cy'),
style: buildCyStyle(),
elements: [],
layout: { name: 'preset' },
wheelSensitivity: 0.3,
minZoom: DEFAULT_MIN_ZOOM, maxZoom: DEFAULT_MAX_ZOOM,
hideEdgesOnViewport: true,
textureOnViewport: true,
motionBlur: true,
pixelRatio: 1,
});
function getVisibleElements() {
return cy.elements(':visible');
}
function getFitZoom(padding = DEFAULT_FIT_PADDING) {
if (!cy) return 1;
const eles = getVisibleElements();
if (!eles.length) return 1;
const bb = eles.boundingBox();
const innerW = Math.max(1, cy.width() - padding * 2);
const innerH = Math.max(1, cy.height() - padding * 2);
const zoomX = bb.w > 0 ? innerW / bb.w : DEFAULT_MAX_ZOOM;
const zoomY = bb.h > 0 ? innerH / bb.h : DEFAULT_MAX_ZOOM;
const zoom = Math.min(zoomX, zoomY);
return Math.max(DEFAULT_MIN_ZOOM, Math.min(DEFAULT_MAX_ZOOM, Number.isFinite(zoom) ? zoom : 1));
}
function refreshZoomBounds() {
if (!cy) return;
const fitZoom = getFitZoom();
const slider = document.getElementById('zoom-slider');
if (slider) {
slider.min = DEFAULT_MIN_ZOOM.toFixed(3);
slider.max = DEFAULT_SLIDER_MAX_ZOOM.toFixed(1);
slider.step = fitZoom < 0.1 ? '0.01' : '0.05';
}
}
function fitGraphToViewport(padding = DEFAULT_FIT_PADDING) {
if (!cy) return;
refreshZoomBounds();
const eles = getVisibleElements();
if (!eles.length) return;
cy.fit(eles, padding);
refreshZoomBounds();
syncZoomUi();
}
function getThemeVar(v) {
return getComputedStyle(document.documentElement).getPropertyValue(v).trim();
}
function buildCyStyle() {
const isDark = theme === 'dark';
const perf = Boolean(state.performanceMode);
const ts = state.textScale || 1.0;
const edgeFontSize = Math.max(8, Math.round(10 * ts));
const edgeLabel = isDark ? '#ffffff' : '#000000';
const edgeLblBg = isDark ? '#08111f' : '#ffffff';
const pathColor = perf ? (isDark ? '#ffffff' : '#000000') : (isDark ? '#f59e0b' : '#d97706');
const perfBg = isDark ? '#050505' : '#ffffff';
const perfBorder = isDark ? '#ffffff' : '#000000';
const perfSoft = isDark ? '#d4d4d4' : '#202020';
const perfDim = isDark ? 0.22 : 0.16;
return [
{ selector:'node', style:{
shape:'roundrectangle',
'background-color': perf ? perfBg : 'data(bgColor)',
'border-color': perf ? perfBorder : 'data(accentColor)',
'border-width':1, 'border-opacity':0.24,
label:'data(label)',
'text-valign':'center','text-halign':'center',
'text-wrap':'wrap','text-overflow-wrap':'anywhere','text-max-width':'data(textW)',
'text-justification':'center',
'line-height':1.18,
'background-image': perf ? 'none' : 'data(iconImage)',
'background-fit':'none',
'background-width':'24px','background-height':'24px',
'background-position-x':'12px','background-position-y':'12px',
'background-repeat':'no-repeat',
'font-family':'"IBM Plex Sans","Apple Color Emoji","Segoe UI Emoji",sans-serif',
'font-size':'data(fontSize)','font-weight':650,
color: perf ? (isDark ? '#ffffff' : '#000000') : 'data(labelColor)',
'text-outline-width':0,
width:'data(w)',height:'data(h)',padding:12,
'shadow-blur': perf ? 0 : 18,
'shadow-color':isDark ? '#000000' : '#64748b',
'shadow-opacity':perf ? 0 : (isDark ? 0.34 : 0.18),
'shadow-offset-x':0,'shadow-offset-y':6,
'transition-property':'border-color,border-width,border-opacity,opacity',
'transition-duration':190,
}},
{ selector:'node[nodeType="module"]', style: perf ? {} : {
'background-fill':'linear-gradient',
'background-gradient-direction':'to-bottom-right',
'background-gradient-stop-colors': isDark ? '#42a5f5 #1e88e5 #1565c0' : '#ef5350 #e53935 #8e2a2f',
'background-gradient-stop-positions':'0% 52% 100%',
'border-color':isDark ? '#64b5f6' : '#f06a68',
}},
{ selector:'node[nodeType="subroutine"]', style: perf ? {} : {
'background-fill':'linear-gradient',
'background-gradient-direction':'to-bottom-right',
'background-gradient-stop-colors': isDark ? '#9575cd #673ab7 #512da8' : '#f57c4d #ef6c3d #9a3d23',
'background-gradient-stop-positions':'0% 52% 100%',
'border-color':isDark ? '#b39ddb' : '#f79a74',
}},
{ selector:'node[nodeType="external"]', style: perf ? {
'border-style':'solid',
} : {
'background-fill':'linear-gradient',
'background-gradient-direction':'to-bottom-right',
'background-gradient-stop-colors': isDark ? '#26a69a #00897b #00695c' : '#ad4258 #95354a #5f2230',
'background-gradient-stop-positions':'0% 52% 100%',
'border-color':isDark ? '#4db6ac' : '#c7657c',
'border-style':'solid',
}},
{ selector:'node.sel', style:{
'border-color': perf ? perfBorder : 'data(accentColor)','border-width':2.5,'border-opacity':0.95,
'shadow-blur': perf ? 0 : 34,'shadow-color':'data(accentColor)','shadow-opacity':perf ? 0 : 0.52,
'shadow-offset-x':0,'shadow-offset-y':5,'z-index':20,
}},
{ selector:'node.nbr', style:{
'border-color': perf ? perfSoft : 'data(accentColor)','border-width':1.6,'border-opacity':0.62,
'shadow-blur': perf ? 0 : 22,'shadow-color':'data(accentColor)','shadow-opacity':perf ? 0 : 0.28,
'shadow-offset-x':0,'shadow-offset-y':5,'z-index':10,
}},
{ selector:'node.in-path', style:{
'border-color':pathColor,'border-width':2.5,'border-opacity':0.95,
'shadow-blur': perf ? 0 : 30,'shadow-color':pathColor,'shadow-opacity':perf ? 0 : 0.48,
'shadow-offset-x':0,'shadow-offset-y':5,'z-index':18,
}},
{ selector:'node.dim', style:{ opacity: perf ? perfDim : 0.15 }},
{ selector:'edge', style:{
'curve-style':'bezier',
'target-arrow-shape':'triangle',
'target-arrow-color': perf ? perfBorder : 'data(edgeColor)',
'line-color': perf ? perfBorder : 'data(edgeColor)',
'line-style':'dashed',
'line-dash-pattern':[7,4],
'line-opacity':0.74,
'target-arrow-fill':'filled','arrow-scale':1.1,
width: perf ? 1.5 : 2.1, label: perf ? '' : 'data(label)',
'font-size':edgeFontSize,'font-family':'"IBM Plex Mono",monospace',
color: edgeLabel,
'text-background-color':edgeLblBg,
'text-background-opacity':perf ? 0 : 0.85,
'text-background-padding':2,
'text-background-shape':'roundrectangle',
'transition-property':'opacity,width,line-opacity',
'transition-duration':160,
}},
{ selector:'edge.sel-edge', style:{'line-opacity':1,width:perf ? 2.2 : 3,'z-index':15}},
{ selector:'edge.path-edge', style:{
'line-color':pathColor,'target-arrow-color':pathColor,
'line-opacity':1,width:perf ? 2.2 : 3,'z-index':16,
}},
{ selector:'edge.dim', style:{ opacity: perf ? 0.04 : 0.08 }},
];
}
// ── Graph sync ────────────────────────────────────────────────────────────────
const TYPE_ICON = { module: '🧩', subroutine: '⚙️', external: '📦' };
function typeIcon(t){ return TYPE_ICON[t] || '•'; }
function emojiDataUri(emoji) {
const svg = `<svg xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 32 32"><text x="16" y="23" text-anchor="middle" font-size="22" font-family="Apple Color Emoji,Segoe UI Emoji,Noto Color Emoji,sans-serif">${emoji}</text></svg>`;
return `data:image/svg+xml;charset=utf-8,${encodeURIComponent(svg)}`;
}
function balancedNodeLabel(t, title, maxChars=24) {
const raw = String(title || '');
const parts = raw.split('_').filter(Boolean);
// Split unusually long tokens so no single segment can overflow.
const tokens = [];
parts.forEach((part, i) => {
const suffix = i < parts.length - 1 ? '_' : '';
const token = part + suffix;
if (token.length <= maxChars) tokens.push(token);
else {
for (let p = 0; p < token.length; p += maxChars)
tokens.push(token.slice(p, p + maxChars));
}
});
if (!tokens.length) return { label: '', lines: [''] };
// Greedy packing followed by a small balancing pass produces centered,
// similarly sized lines instead of a long first line and tiny last line.
const lines = [];
let line = '';
tokens.forEach(token => {
if (!line || (line + token).length <= maxChars) line += token;
else { lines.push(line); line = token; }
});
if (line) lines.push(line);
for (let i = lines.length - 1; i > 0; i--) {
const prevTokens = lines[i - 1].match(/[^_]+_?/g) || [lines[i - 1]];
while (prevTokens.length > 1) {
const moved = prevTokens[prevTokens.length - 1];
const candidatePrev = prevTokens.slice(0, -1).join('');
const candidateCurr = moved + lines[i];
if (candidateCurr.length > maxChars) break;
const oldDiff = Math.abs(lines[i - 1].length - lines[i].length);
const newDiff = Math.abs(candidatePrev.length - candidateCurr.length);
if (newDiff >= oldDiff) break;
prevTokens.pop();
lines[i - 1] = candidatePrev;
lines[i] = candidateCurr;
}
}
return { label: lines.join('\n'), lines };
}
function typeInitial(t){ return t === 'module' ? 'M' : t === 'subroutine' ? 'S' : 'E'; }
function syncGraph() {
const hidden = new Set(state.hiddenNodeIds);
const degMap = {};
state.customNodes.forEach(n => { degMap[n.id] = 0; });
state.customEdges.forEach(e => {
if (!hidden.has(e.source) && !hidden.has(e.target)) {
if (degMap[e.source] !== undefined) degMap[e.source]++;
if (degMap[e.target] !== undefined) degMap[e.target]++;
}
});
const degs = Object.values(degMap);
const maxD = Math.max(1, ...degs), minD = Math.min(0, ...degs);
const isDark = theme === 'dark';
const perf = Boolean(state.performanceMode);
// Fallback bg colors (gradient is applied via Cytoscape type selectors in buildCyStyle)
const GRAD = {
module: isDark ? { stop1:'#42a5f5' } : { stop1:'#ef5350' },
subroutine: isDark ? { stop1:'#9575cd' } : { stop1:'#f57c4d' },
external: isDark ? { stop1:'#26a69a' } : { stop1:'#ad4258' },
};
const AC = { module: isDark?'#42a5f5':'#ef5350', subroutine: isDark?'#9575cd':'#f57c4d', external: isDark?'#26a69a':'#ad4258' };
const LABEL_COLOR = isDark ? '#ffffff' : (perf ? '#000000' : '#fff8f6');
const ts = state.textScale || 1.0;
const wantNodes = new Set(), wantEdges = new Set();
cy.startBatch();
state.customNodes.forEach(n => {
if (hidden.has(n.id)) { const el=cy.getElementById(n.id); if(el.length) el.remove(); return; }
wantNodes.add(n.id);
const deg = degMap[n.id]||0;
const t = maxD===minD ? 0.5 : (deg-minD)/(maxD-minD);
const fontSize = Math.round((11+t*4) * ts);
const maxChars = Math.max(16, Math.round(25 / Math.max(1, ts * 0.72)));
const wrapped = balancedNodeLabel(n.data.nodeType, n.data.title, maxChars);
const rawLabel = wrapped.label;
const charWidth = fontSize * 0.59;
const longestLine = Math.max(...wrapped.lines.map(line => line.length));
const minW = Math.round((120+t*120) * Math.max(1, ts * 0.85 + 0.15));
const preferredW = Math.ceil(longestLine * charWidth + 44);
const w = Math.min(390, Math.max(minW, preferredW));
const textW = Math.max(96, w - 52);
const lineCount = wrapped.lines.length;
const h = Math.max(Math.round(48+t*28), Math.ceil(lineCount * fontSize * 1.55 + 38));
const accentColor = AC[n.data.nodeType]||AC.module;
const g = GRAD[n.data.nodeType]||GRAD.module;
const pos = state.nodePositions[n.id];
const el = cy.getElementById(n.id);
const bgColor = GRAD[n.data.nodeType] ? GRAD[n.data.nodeType].stop1 : '#07182a';
const nodeData = { label:rawLabel, nodeType:n.data.nodeType,
iconImage:emojiDataUri(typeIcon(n.data.nodeType)),
accentColor, bgColor, labelColor:LABEL_COLOR, w, h, textW, fontSize };
if (!el.length) {
cy.add({ group:'nodes', data:{ id:n.id, ...nodeData },
position: pos ? {x:pos.x,y:pos.y} : {x:Math.random()*600+80,y:Math.random()*400+60} });
} else {
el.data(nodeData);
}
});
cy.nodes().forEach(el => { if(!wantNodes.has(el.id())) el.remove(); });
state.customEdges.forEach(e => {
if (hidden.has(e.source)||hidden.has(e.target)) { const el=cy.getElementById(e.id); if(el.length) el.remove(); return; }
wantEdges.add(e.id);
let ec = isDark?'#42a5f5':'#ef5350';
if (e.style?.stroke) {
const s=e.style.stroke;
if (s.includes('149,224,141')||s==='#a78bfa'||s==='#6e8fb0'||s==='#9575cd'||s==='#673ab7'||s==='#d84343'||s==='#f57c4d') ec=isDark?'#9575cd':'#f57c4d';
else if (s.includes('244,114,182')||s==='#f472b6'||s==='#db2777'||s==='#8da7b8'||s==='#26a69a'||s==='#00897b'||s==='#b23a48'||s==='#ad4258') ec=isDark?'#26a69a':'#ad4258';
}
const el = cy.getElementById(e.id);
if (!el.length) {
cy.add({ group:'edges', data:{ id:e.id, source:e.source, target:e.target,
label:e.label||'', edgeColor:ec } });
} else { el.data({ label:e.label||'', edgeColor:ec }); }
});
cy.edges().forEach(el => { if(!wantEdges.has(el.id())) el.remove(); });
cy.endBatch();
refreshZoomBounds();
applyHighlight();
}
function applyHighlight() {
cy.elements().removeClass('sel nbr dim sel-edge in-path path-edge');
if (pathMode && pathSet.size > 0) {
// highlight all path nodes and edges between them
const pathNodes = cy.nodes().filter(n => pathSet.has(n.id()));
const pathEdges = cy.edges().filter(e => pathSet.has(e.data('source')) && pathSet.has(e.data('target')));
const others = cy.nodes().not(pathNodes);
others.addClass('dim');
cy.edges().not(pathEdges).addClass('dim');
pathEdges.addClass('path-edge');
pathNodes.addClass('in-path');
return;
}
if (!selectedId || !cy.getElementById(selectedId).length) return;
const selNode = cy.getElementById(selectedId);
const connEdges = selNode.connectedEdges();
const nbrs = connEdges.connectedNodes().not(selNode);
cy.nodes().not(selNode).not(nbrs).addClass('dim');
cy.edges().not(connEdges).addClass('dim');
connEdges.addClass('sel-edge');
nbrs.addClass('nbr');
selNode.addClass('sel');
}
cy.on('dragfree','node',e=>{
const pos=e.target.position();
state.nodePositions={...state.nodePositions,[e.target.id()]:{x:pos.x,y:pos.y}};
saveState();
});
cy.on('zoom',()=>{
refreshZoomBounds();
syncZoomUi();
});
cy.on('tap','node',e=>{
const id=e.target.id();
if (pathMode) {
if (pathSet.has(id)) pathSet.delete(id); else pathSet.add(id);
applyHighlight(); renderSidebar(); return;
}
selectedId=id; applyHighlight(); renderSidebar();
});
cy.on('tap',e=>{
if (e.target===cy) {
if (pathMode) { pathSet.clear(); applyHighlight(); renderSidebar(); return; }
selectedId=null; applyHighlight(); renderSidebar();
}
});
// ── Layouts ───────────────────────────────────────────────────────────────────
const LAYOUTS = {
'dagre-lr': { name:'dagre', rankDir:'LR', nodeSep:40, rankSep:120, edgeSep:20, animate:true, animationDuration:400 },
'dagre-tb': { name:'dagre', rankDir:'TB', nodeSep:40, rankSep:100, edgeSep:20, animate:true, animationDuration:400 },
'cose': { name:'cose', animate:true, animationDuration:600, idealEdgeLength:150, nodeRepulsion:8000, padding:40 },
'breadth': { name:'breadthfirst', directed:true, animate:true, animationDuration:400, spacingFactor:1.4, padding:40 },
'circle': { name:'circle', animate:true, animationDuration:400, padding:40, spacingFactor:1.2 },
'concentric':{ name:'concentric', animate:true, animationDuration:400, padding:40, minNodeSpacing:30,