/* ---------- fonts (OFL; vendored) ---------- */
@font-face { font-family: 'Bricolage Grotesque'; font-style: normal; font-display: swap;
  font-weight: 200 800; src: url(fonts-bricolage-grotesque-latin-wght-normal-DLoelf7F.woff2) format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-display: swap;
  font-weight: 100 900; src: url(fonts-inter-latin-wght-normal-Dx4kXJAl.woff2) format('woff2-variations'); }
@font-face { font-family: 'JetBrains Mono'; font-style: normal; font-display: swap;
  font-weight: 400; src: url(fonts-jetbrains-mono-latin-400-normal-V6pRDFza.woff2) format('woff2'); }
@font-face { font-family: 'JetBrains Mono'; font-style: normal; font-display: swap;
  font-weight: 500; src: url(fonts-jetbrains-mono-latin-500-normal-BWZEU5yA.woff2) format('woff2'); }

:root {
  --paper: #fffdf7;
  --bg: #f4f0e6;
  --ink: #111111;
  --muted: #5d5a52;
  --text2: #3c3a34;
  --dot: #d9d2c0;
  --shadow-ink: rgba(17, 17, 17, .92);
  --chip: #c8f53c;
  --lime: #c8f53c;
  --yellow: #ffd23d;
  --orange: #ff6a1f;
  --pink: #ff5aa8;
  --mint: #4fdc9a;
  --blue: #2e6bff;
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --display: 'Bricolage Grotesque', 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --shadow: 4px 4px 0 var(--ink);
  --shadow-lg: 7px 7px 0 var(--ink);
  --radius: 16px;
  --ease: cubic-bezier(.2, .8, .2, 1);
}
html[data-theme="dark"] {
  --paper: #26251f;
  --bg: #1e1d18;
  --ink: #f0ead8;
  --muted: #a39d8d;
  --text2: #cfc9b8;
  --dot: #33312a;
  --shadow-ink: rgba(240, 234, 216, .45);
  --chip: #111111;
}

html, body { height: 100%; margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-size: 15px; line-height: 1.55;
  -webkit-font-smoothing: antialiased; }
a { color: var(--blue); }
html[data-theme="dark"] a { color: #7fa9ff; }
code { background: var(--ink); color: var(--chip); padding: 1px 6px;
  border-radius: 6px; font-family: var(--mono); font-size: .85em; }

/* ---------- diagram viewer ---------- */
body.viewer { overflow: hidden;
  background-image: radial-gradient(circle, var(--dot) 1.2px, transparent 1.2px);
  background-size: 26px 26px; }
#viewport { position: fixed; inset: 0; overflow: hidden; cursor: grab; }
#viewport.dragging { cursor: grabbing; }
#canvas { position: absolute; top: 0; left: 0; transform-origin: 0 0; }
.mermaid { width: max-content; }
.mermaid svg { display: block; max-width: none !important; }

/* hard ink shadows on nodes + clusters — the brutalist signature */
.mermaid .cluster > rect { filter: drop-shadow(7px 7px 0 var(--shadow-ink)); }
.mermaid .node rect, .mermaid .node polygon, .mermaid .node circle,
.mermaid .node ellipse, .mermaid .node > path {
  filter: drop-shadow(3px 3px 0 var(--shadow-ink)); }

#hud { position: fixed; top: 16px; left: 18px; z-index: 10;
  background: var(--paper); border: 2px solid var(--ink); border-radius: var(--radius);
  padding: 12px 16px; box-shadow: var(--shadow); max-width: 560px; }
#hud h1 { margin: 0 0 4px; font-family: var(--display); font-weight: 800;
  font-size: 19px; letter-spacing: -.03em; color: var(--ink); }
#hud p { margin: 0; font-size: 12px; color: var(--muted); }
#hud a { font-size: 12px; font-weight: 600; }

#controls { position: fixed; top: 16px; right: 18px; z-index: 10;
  display: flex; gap: 8px; align-items: center; }
#controls button, #controls a.btn, .theme-fab { background: var(--paper); color: var(--ink);
  border: 2px solid var(--ink); border-radius: 999px; box-shadow: 3px 3px 0 var(--ink);
  font-family: var(--sans); font-size: 13px; font-weight: 700; padding: 6px 14px;
  cursor: pointer; text-decoration: none; display: inline-flex; align-items: center;
  transition: transform .12s var(--ease), box-shadow .12s var(--ease); }
#controls button:hover, .theme-fab:hover { transform: translate(1.5px, 1.5px); box-shadow: 1.5px 1.5px 0 var(--ink); }
#controls button:active, .theme-fab:active { transform: translate(3px, 3px); box-shadow: 0 0 0 var(--ink); }
#zoomPct { font-family: var(--mono); font-size: 12px; font-weight: 500;
  min-width: 48px; text-align: center; background: var(--ink); color: var(--paper);
  border-radius: 999px; padding: 5px 8px; }
/* enlarge the menu button's tap target beyond the visible pill */
#controls #menuBtn { position: relative; }
#controls #menuBtn::after { content: ""; position: absolute; inset: -6px; }

.theme-fab { position: fixed; top: 16px; right: 18px; z-index: 10; }

#legend { position: fixed; bottom: 16px; left: 18px; z-index: 10; display: flex; gap: 16px;
  flex-wrap: wrap; max-width: 72vw; align-items: center;
  background: var(--paper); border: 2px solid var(--ink); border-radius: var(--radius);
  padding: 9px 16px; box-shadow: var(--shadow); font-size: 12.5px; font-weight: 600; }
.sw { display: inline-block; width: 13px; height: 13px; border-radius: 4px;
  border: 2px solid var(--ink); margin-right: 7px; vertical-align: -2px; }

/* mermaid label styling */
.edgeLabel { color: var(--ink) !important; background-color: var(--paper) !important;
  border: 2px solid var(--ink); border-radius: 8px; box-shadow: 2px 2px 0 var(--ink);
  padding: 3px 8px !important; font-size: 16px !important; font-weight: 600; }
.edgeLabel p { margin: 0 !important; }
.cluster-label { font-family: var(--display); font-weight: 800;
  font-size: 21px !important; letter-spacing: -.02em; }
.nodeLabel, .cluster .nodeLabel { font-size: 18px !important; font-weight: 500; }

/* ---------- notes / long-form panel ---------- */
#notes { position: fixed; top: 0; right: 0; bottom: 0; width: 440px; z-index: 20;
  background: var(--paper); border-left: 3px solid var(--ink);
  transform: translateX(103%); transition: transform .25s var(--ease);
  display: flex; flex-direction: column; }
#notes.open { transform: translateX(0); box-shadow: -7px 0 0 rgba(17,17,17,.15); }
#notes .notes-head { padding: 20px 22px 12px; border-bottom: 2px solid var(--ink); }
#notes .notes-head h2 { margin: 0 0 4px; font-family: var(--display); font-weight: 800;
  font-size: 20px; letter-spacing: -.03em; }
#notes .notes-head p { margin: 0; font-size: 12px; color: var(--muted);
  font-family: var(--mono); }
#notesBody { overflow-y: auto; padding: 16px 22px 40px; }
#notesBody h3 { display: inline-block; font-family: var(--mono); font-size: 11.5px;
  font-weight: 500; text-transform: uppercase; letter-spacing: .08em;
  color: var(--paper); background: var(--ink); padding: 4px 12px; border-radius: 999px;
  margin: 20px 0 10px; }
#notesBody h3:first-child { margin-top: 6px; }
#notesBody ul { margin: 0; padding-left: 18px; }
#notesBody li { font-size: 13.5px; line-height: 1.6; margin-bottom: 8px; }
#notesBody li::marker { color: var(--orange); }
#notesBody li b { font-weight: 700; }
#closeNotes { position: absolute; top: 14px; right: 16px; background: var(--pink);
  border: 2px solid var(--ink); color: #111111; width: 30px; height: 30px;
  border-radius: 50%; font-size: 16px; font-weight: 700; line-height: 1; cursor: pointer;
  box-shadow: 2px 2px 0 var(--ink); transition: transform .12s var(--ease), box-shadow .12s var(--ease); }
#closeNotes:hover { transform: translate(1px, 1px); box-shadow: 1px 1px 0 var(--ink); }

/* ---------- index / landing ---------- */
body.index { overflow: auto;
  background-image: radial-gradient(circle, var(--dot) 1.2px, transparent 1.2px);
  background-size: 26px 26px; }
.wrap { max-width: 980px; margin: 0 auto; padding: 56px 24px 90px; }
.wrap > header { margin-bottom: 40px; }
.wrap > header .kicker { display: inline-block; font-family: var(--mono);
  font-size: 12px; font-weight: 500; text-transform: uppercase; letter-spacing: .1em;
  color: #111111; background: var(--lime); border: 2px solid var(--ink);
  border-radius: 999px; padding: 4px 14px; box-shadow: 3px 3px 0 var(--ink);
  margin-bottom: 16px; }
.wrap > header h1 { margin: 0 0 12px; font-family: var(--display); font-weight: 800;
  font-size: 44px; letter-spacing: -.045em; color: var(--ink); }
.wrap > header p { margin: 0; font-size: 15.5px; line-height: 1.65;
  color: var(--text2); max-width: 720px; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(420px, 1fr)); gap: 22px; }
.card { display: block; text-decoration: none; color: var(--ink);
  background: var(--paper); border: 2px solid var(--ink); border-radius: 18px;
  padding: 22px 24px; box-shadow: var(--shadow-lg);
  transition: transform .15s var(--ease), box-shadow .15s var(--ease); }
.card:hover { transform: translate(-2px, -2px); box-shadow: 9px 9px 0 var(--ink); }
.card:active { transform: translate(4px, 4px); box-shadow: 3px 3px 0 var(--ink); }
.card .num { display: inline-block; font-family: var(--mono); font-size: 11.5px;
  font-weight: 500; letter-spacing: .06em; color: #111111; border: 2px solid var(--ink);
  border-radius: 999px; padding: 3px 11px; box-shadow: 2px 2px 0 var(--ink); }
.card h2 { margin: 12px 0 6px; font-family: var(--display); font-weight: 800;
  font-size: 22px; letter-spacing: -.03em; }
.card .src { font-family: var(--mono); font-size: 11.5px; color: var(--muted);
  margin-bottom: 10px; }
.card p { margin: 0; font-size: 14px; line-height: 1.6; color: var(--text2); }
.card .open { margin-top: 16px; font-size: 13.5px; font-weight: 700; }
footer.note { margin-top: 52px; padding-top: 22px; border-top: 2px solid var(--ink);
  font-size: 12.5px; color: var(--muted); line-height: 1.75; }

/* ---------- shared: status tags, lightbox, crumbs ---------- */
.tag { display: inline-block; font-family: var(--mono); font-size: .55em; font-weight: 500;
  text-transform: uppercase; letter-spacing: .06em; color: #111; border: 2px solid var(--ink);
  border-radius: 999px; padding: 1px 9px; vertical-align: .2em; margin-left: .25em; }
.tag-shipped { background: var(--mint); } .tag-tested { background: var(--lime); }
.tag-spec-aligned { background: var(--yellow); } .tag-todo { background: var(--pink); }
.tag-roadmap { background: var(--orange); }


#lightbox { position: fixed; inset: 0; z-index: 40; background: rgba(17,17,17,.82);
  display: grid; place-items: center; cursor: zoom-out; }
#lightbox[hidden] { display: none; }
#lightbox img { max-width: 94vw; max-height: 92vh; border: 3px solid #f0ead8;
  border-radius: 14px; box-shadow: 10px 10px 0 rgba(240,234,216,.45); }

.crumb { margin: 0 0 14px; font-size: 13px; font-weight: 600; }
.lb-diagram { width: 94vw; height: 88vh; background: var(--paper); border: 3px solid var(--ink);
  border-radius: 16px; box-shadow: 10px 10px 0 rgba(240,234,216,.45); padding: 18px; box-sizing: border-box; }
.lb-diagram svg { width: 100%; height: 100%; max-width: none !important; }
.lb-diagram .edgeLabel { border: 0 !important; box-shadow: none !important; padding: 0 2px !important; }
.lb-diagram .node .nodeLabel, .lb-diagram .node .nodeLabel p { color: #111 !important; }
.mermaid-box { cursor: zoom-in; }
.legend { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 22px;
  font-weight: 600; font-size: .78em; color: var(--text2); }
.legend .sw { display: inline-block; width: .9em; height: .9em; border-radius: 4px;
  border: 2px solid var(--ink); margin-right: 8px; vertical-align: -.1em; }