:root {
  --bg: #f5f4f0;
  --surface: #ffffff;
  --surface-2: #efede7;
  --ink: #1d1f22;
  --ink-2: #555a61;
  --line: #d9d6ce;
  --accent: #0f6e6a;
  --accent-ink: #ffffff;
  --us: #d9480f;
  --us-soft: #fdebe1;
  --doc: #7048c6;
  --doc-soft: #efe9fb;
  /* category colours */
  --c-owner: #2f6fb0;
  --c-pm: #7a6a1f;
  --c-architect: #9c3d7a;
  --c-consultant: #0f7a6e;
  --c-contractor: #b0541d;
  --c-sub: #b5831a;
  --c-supplier: #5b6b2f;
  --c-regulator: #5b5f66;
  --c-portal: #3d5a9c;
  --c-project: #1d1f22;
  --link-dim: rgba(29, 31, 34, .14);
  --shadow: 0 1px 2px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.05);
  --radius: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #15171a; --surface: #1e2125; --surface-2: #262a2f; --ink: #e9e7e2; --ink-2: #a3a7ad; --line: #353a40;
    --accent: #3fb8ae; --accent-ink: #0d1f1d; --us: #ff8a4c; --us-soft: #3a2518; --doc: #b49bff; --doc-soft: #2b2540;
    --c-owner: #6fa8e6; --c-pm: #cfbb5c; --c-architect: #e07fbd; --c-consultant: #4cc4b4; --c-contractor: #ec905a;
    --c-sub: #e6b75a; --c-supplier: #a7bb6a; --c-regulator: #a3a7ad; --c-portal: #8aa4e6; --c-project: #e9e7e2;
    --link-dim: rgba(233, 231, 226, .13); --shadow: 0 1px 2px rgba(0,0,0,.4); color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #15171a; --surface: #1e2125; --surface-2: #262a2f; --ink: #e9e7e2; --ink-2: #a3a7ad; --line: #353a40;
  --accent: #3fb8ae; --accent-ink: #0d1f1d; --us: #ff8a4c; --us-soft: #3a2518; --doc: #b49bff; --doc-soft: #2b2540;
  --c-owner: #6fa8e6; --c-pm: #cfbb5c; --c-architect: #e07fbd; --c-consultant: #4cc4b4; --c-contractor: #ec905a;
  --c-sub: #e6b75a; --c-supplier: #a7bb6a; --c-regulator: #a3a7ad; --c-portal: #8aa4e6; --c-project: #e9e7e2;
  --link-dim: rgba(233, 231, 226, .13); --shadow: 0 1px 2px rgba(0,0,0,.4); color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg); color: var(--ink);
  font: 15px/1.55 "IBM Plex Sans", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  overflow-x: hidden;
}
a { color: var(--accent); }
h1 { font-size: 1.45rem; line-height: 1.25; margin: 0 0 .35rem; }
h2 { font-size: 1.05rem; margin: 0 0 .75rem; }
.muted { color: var(--ink-2); font-weight: 400; }
.small { font-size: .82rem; }
button { font: inherit; color: inherit; cursor: pointer; }
button:focus-visible, a:focus-visible, input:focus-visible, .cell:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- header ---------- */
.top {
  position: sticky; top: 0; z-index: 20;
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px;
  padding: 10px 16px; background: var(--surface); border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 600; color: var(--accent); }
.brand span { color: var(--ink); }
.brand small { font-weight: 400; color: var(--ink-2); margin-left: 4px; }
.tabs { display: flex; gap: 4px; flex-wrap: wrap; }
.tabs button {
  border: 1px solid transparent; background: none; padding: 6px 12px; border-radius: 999px; color: var(--ink-2);
}
.tabs button[aria-selected="true"] { background: var(--accent); color: var(--accent-ink); }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; margin-left: auto; }
.seg button { border: 0; background: none; padding: 5px 12px; font-family: "IBM Plex Mono", monospace; font-size: .85rem; }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--bg); }

main { max-width: 1320px; margin: 0 auto; padding: 18px 16px 8px; }
.intro { margin-bottom: 14px; max-width: 900px; }
.intro p { margin: 0; color: var(--ink-2); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.section-h { margin-top: 26px; }
.us-pill, .mh-tag {
  display: inline-block; font-size: .72rem; font-weight: 600; padding: 1px 7px; border-radius: 999px;
  background: var(--us-soft); color: var(--us); border: 1px solid var(--us); vertical-align: 1px;
}

/* ---------- stepper ---------- */
.stepper { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 0 0 12px; }
.stepper li { flex: 1 1 130px; }
.stepper button {
  width: 100%; text-align: left; border: 1px solid var(--line); background: var(--surface); border-radius: 8px;
  padding: 8px 10px; position: relative; min-height: 58px;
}
.stepper button b { display: block; font-size: .92rem; }
.stepper button span { font-size: .75rem; color: var(--ink-2); }
.stepper button[aria-pressed="true"] { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); background: color-mix(in srgb, var(--accent) 8%, var(--surface)); }

/* ---------- swim lanes ---------- */
.lane-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.lanes { display: grid; min-width: 1180px; }
.lanes .hd, .lanes .lane-name, .lanes .cell { border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); }
.lanes .hd {
  position: sticky; top: 0; padding: 8px; font-size: .8rem; font-weight: 600; background: var(--surface-2); cursor: pointer;
}
.lanes .hd.sel { background: color-mix(in srgb, var(--accent) 16%, var(--surface-2)); }
.lanes .hd .docs { display: flex; flex-wrap: wrap; gap: 3px; margin-top: 4px; }
.doc {
  font-family: "IBM Plex Mono", monospace; font-size: .68rem; font-weight: 500; padding: 0 5px; border-radius: 4px;
  background: var(--doc-soft); color: var(--doc); border: 1px solid color-mix(in srgb, var(--doc) 40%, transparent);
}
.lane-name {
  position: sticky; left: 0; z-index: 2; padding: 8px 10px; font-size: .8rem; font-weight: 600; background: var(--surface);
  border-left: 4px solid var(--lc, var(--line));
}
.lane-name.us { background: var(--us-soft); color: var(--us); border-left-color: var(--us); }
.cell { padding: 6px 7px; font-size: .76rem; line-height: 1.35; cursor: pointer; }
.cell.us { background: color-mix(in srgb, var(--us-soft) 60%, transparent); }
.cell.sel { background: color-mix(in srgb, var(--accent) 7%, transparent); }
.cell.us.sel { background: var(--us-soft); }
.cell ul { margin: 0; padding-left: 14px; }
.cell li { margin: 1px 0; }
.corner { position: sticky; left: 0; top: 0; z-index: 3; background: var(--surface-2); padding: 8px 10px; font-size: .75rem; color: var(--ink-2); border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); }

.stage-detail { margin-top: 14px; }
.stage-detail h2 { display: flex; flex-wrap: wrap; gap: 8px; align-items: baseline; }
.stage-detail .au { border-left: 3px solid var(--c-owner); padding: 6px 10px; background: var(--surface-2); border-radius: 0 6px 6px 0; font-size: .88rem; }
.stage-detail .us-box { border-left: 3px solid var(--us); padding: 6px 10px; background: var(--us-soft); border-radius: 0 6px 6px 0; font-size: .88rem; margin-top: 8px; }
.stage-detail .us-box ul { margin: 4px 0 0; padding-left: 18px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.chip {
  border: 1px solid var(--line); background: var(--surface); border-radius: 999px; padding: 3px 10px; font-size: .8rem;
  display: inline-flex; align-items: center; gap: 6px;
}
.chip i { width: 8px; height: 8px; border-radius: 50%; background: var(--cc, var(--ink-2)); display: inline-block; }
.chip[aria-pressed="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.two { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 14px; }
@media (max-width: 860px) { .two { grid-template-columns: 1fr; } }

.ps-track { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
@media (max-width: 560px) { .ps-track { grid-template-columns: 1fr 1fr; } }
.ps { border: 1px solid var(--line); border-top: 4px solid var(--doc); border-radius: 8px; padding: 8px; font-size: .8rem; background: var(--surface); }
.ps b { font-family: "IBM Plex Mono", monospace; color: var(--doc); font-size: 1rem; }
.ps .t { font-weight: 600; margin: 2px 0 4px; }
.ps .who.us { color: var(--us); font-weight: 600; }
.ps p { margin: 4px 0 0; color: var(--ink-2); }

.flow { display: flex; flex-direction: column; gap: 6px; }
.flow .row { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.flow .node {
  border: 1px solid var(--line); border-left: 4px solid var(--cc); border-radius: 6px; padding: 5px 9px; font-size: .8rem; background: var(--surface);
}
.flow .node small { display: block; color: var(--ink-2); font-size: .72rem; }
.flow .arrow { color: var(--ink-2); font-size: .9rem; }
.flow .many { display: flex; flex-direction: column; gap: 4px; }

/* ---------- network ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.net-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.net { position: relative; min-width: 1320px; padding: 12px; }
.net-links { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; overflow: visible; }
.net-links path { fill: none; stroke: var(--link-dim); stroke-width: 1.3; transition: stroke .15s, stroke-width .15s, opacity .15s; }
.net-links path.hot { stroke: var(--accent); stroke-width: 2.2; }
.net.focus .net-links path:not(.hot) { opacity: .25; }
.net-cols { position: relative; display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 40px; }
.col h3 { font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-2); margin: 0 0 8px; }
.col .stack { display: flex; flex-direction: column; gap: 6px; }
.nd {
  text-align: left; border: 1px solid var(--line); border-left: 4px solid var(--cc); background: var(--surface);
  border-radius: 6px; padding: 5px 8px; font-size: .78rem; line-height: 1.3; transition: opacity .15s, box-shadow .15s;
}
.nd small { display: block; color: var(--ink-2); font-size: .7rem; }
.nd.project { border-left-width: 4px; font-weight: 600; background: var(--surface-2); }
.nd .mh-tag { font-size: .62rem; padding: 0 5px; margin-left: 4px; }
.net.focus .nd:not(.hot) { opacity: .3; }
.nd.hot { box-shadow: 0 0 0 2px var(--accent); }
.nd.picked { box-shadow: 0 0 0 3px var(--us); }

.proj-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 12px; }
@media (max-width: 400px) { .proj-grid { grid-template-columns: 1fr; } }
.proj { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; box-shadow: var(--shadow); }
.proj h3 { margin: 0 0 2px; font-size: 1rem; }
.proj .meta { font-size: .8rem; color: var(--ink-2); }
.proj .status { font-size: .82rem; margin: 6px 0; }
.proj dl { margin: 8px 0 0; display: grid; grid-template-columns: 88px 1fr; gap: 4px 8px; font-size: .82rem; }
.proj dt { color: var(--ink-2); }
.proj dd { margin: 0; display: flex; flex-wrap: wrap; gap: 4px; }
.proj .open { margin-top: 8px; font-size: .8rem; color: var(--us); }
.proj .src { margin-top: 8px; font-size: .75rem; word-break: break-word; }
.proj .src a { margin-right: 8px; }
.proj .focus-btn { margin-top: 8px; border: 1px solid var(--line); background: var(--surface-2); border-radius: 6px; padding: 3px 10px; font-size: .78rem; }
.linkbtn { border: 0; background: none; padding: 0; color: var(--accent); text-decoration: underline; text-underline-offset: 2px; font-size: inherit; text-align: left; }

/* ---------- directory ---------- */
.dir-controls { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; margin-bottom: 10px; }
.dir-controls input[type="search"] {
  flex: 1 1 260px; max-width: 420px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--ink); font: inherit;
}
.check { display: inline-flex; gap: 6px; align-items: center; font-size: .88rem; }
.dir-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 10px; }
@media (max-width: 400px) { .dir-grid { grid-template-columns: 1fr; } }
.org {
  text-align: left; background: var(--surface); border: 1px solid var(--line); border-top: 3px solid var(--cc); border-radius: 8px;
  padding: 10px 12px; font-size: .82rem; display: flex; flex-direction: column; gap: 4px;
}
.org b { font-size: .92rem; }
.org .cat { font-size: .72rem; color: var(--cc); font-weight: 600; }
.org .loc { color: var(--ink-2); font-size: .76rem; }
.org .n { color: var(--ink-2); }
.org .links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 2px; }
.org .inproj { font-size: .74rem; color: var(--ink-2); }

/* ---------- drawer ---------- */
.drawer-back { position: fixed; inset: 0; background: rgba(0,0,0,.35); z-index: 40; }
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; width: min(440px, 100%); background: var(--surface); z-index: 41;
  border-left: 1px solid var(--line); padding: 20px 18px; overflow-y: auto; box-shadow: -8px 0 30px rgba(0,0,0,.15);
}
.drawer-x { position: absolute; top: 8px; right: 10px; border: 0; background: none; font-size: 1.6rem; line-height: 1; color: var(--ink-2); }
.drawer h2 { font-size: 1.15rem; padding-right: 30px; margin-bottom: 4px; }
.drawer .kv { display: grid; grid-template-columns: 90px 1fr; gap: 6px 10px; font-size: .88rem; margin: 12px 0; }
.drawer .kv dt { color: var(--ink-2); }
.drawer .kv dd { margin: 0; word-break: break-word; }
.drawer ul { padding-left: 18px; font-size: .88rem; }
.drawer .actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.btn {
  display: inline-block; border: 1px solid var(--accent); color: var(--accent); background: none; border-radius: 6px;
  padding: 6px 12px; text-decoration: none; font-size: .85rem;
}
.btn.primary { background: var(--accent); color: var(--accent-ink); }

.links-wrap { max-width: 1320px; margin: 28px auto 0; padding: 0 16px; }
.links-wrap h2 { font-size: 1.1rem; text-wrap: balance; }
.links-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.lk-group { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; }
.lk-group h3 { font-size: .9rem; margin: 0 0 8px; }
.lk-group ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 7px; }
.lk-group li { font-size: .84rem; line-height: 1.35; word-break: break-word; }
.lk-group .cc { font-family: "IBM Plex Mono", monospace; font-size: .66rem; color: var(--ink-2); border: 1px solid var(--line); border-radius: 4px; padding: 0 4px; margin-left: 2px; }
@media (max-width: 400px) { .links-grid { grid-template-columns: 1fr; } }
.foot { max-width: 1320px; margin: 24px auto 0; padding: 12px 16px 28px; color: var(--ink-2); font-size: .8rem; border-top: 1px solid var(--line); }

@media (max-width: 640px) {
  h1 { font-size: 1.2rem; }
  .brand small { display: none; }
  .seg { margin-left: 0; }
}

/* Auxuro: links from a stage to the matching design tools */
.tool-links { display: flex; flex-wrap: wrap; gap: 8px; align-items: baseline; margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--line, #d0d9e0); }
.tool-links a { padding: 4px 10px; border: 1px solid var(--line, #d0d9e0); border-radius: 6px; text-decoration: none; color: inherit; font-weight: 600; }
.tool-links a:hover { border-color: currentColor; }
.home-link { margin-right: 4px; text-decoration: none; color: inherit; opacity: .7; }
.home-link:hover { opacity: 1; }