/* Design system: one accent, neutral surfaces, generous spacing. Tokens first; components only use tokens. */
:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --surface-2: #f1f1ee;
  --ink: #14161a;
  --ink-2: #4a5059;
  --ink-3: #767d88;
  --line: #e3e3de;
  --line-strong: #c9c9c2;
  --accent: #2b4eff;
  --accent-ink: #ffffff;
  --accent-soft: #e9edff;
  --ok: #0f7b4f;
  --ok-soft: #e2f4ea;
  --warn: #9a5b00;
  --warn-soft: #fdf1d8;
  --bad: #b3261e;
  --bad-soft: #fbe6e4;
  --radius: 14px;
  --radius-sm: 9px;
  --s1: 4px; --s2: 8px; --s3: 12px; --s4: 16px; --s5: 24px; --s6: 32px; --s7: 48px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
  --shadow: 0 1px 2px rgba(20, 22, 26, .05), 0 8px 24px rgba(20, 22, 26, .05);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1114; --surface: #171a1f; --surface-2: #1f232a; --ink: #f2f3f5; --ink-2: #b9bfc9; --ink-3: #8a919c;
    --line: #2a2f37; --line-strong: #3a414b; --accent: #8098ff; --accent-ink: #0b1020; --accent-soft: #1c2545;
    --ok: #4fd195; --ok-soft: #12301f; --warn: #f2b84b; --warn-soft: #35280d; --bad: #ff8a80; --bad-soft: #3a1917;
    --shadow: none; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0f1114; --surface: #171a1f; --surface-2: #1f232a; --ink: #f2f3f5; --ink-2: #b9bfc9; --ink-3: #8a919c;
  --line: #2a2f37; --line-strong: #3a414b; --accent: #8098ff; --accent-ink: #0b1020; --accent-soft: #1c2545;
  --ok: #4fd195; --ok-soft: #12301f; --warn: #f2b84b; --warn-soft: #35280d; --bad: #ff8a80; --bad-soft: #3a1917;
  --shadow: none; color-scheme: dark;
}
:root[data-theme="light"] { color-scheme: light; }

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.5 var(--font); -webkit-font-smoothing: antialiased; }
h1, h2, h3, p { margin: 0; }
h1 { font-size: 30px; line-height: 1.15; letter-spacing: -.02em; font-weight: 680; }
h2 { font-size: 22px; line-height: 1.2; letter-spacing: -.015em; font-weight: 660; }
h3 { font-size: 15px; font-weight: 650; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
.muted { color: var(--ink-2); }
.small { font-size: 13px; }
.mono { font-family: var(--mono); font-size: 13px; }
.eyebrow { font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); font-weight: 650; }
.row { display: flex; align-items: center; gap: var(--s3); flex-wrap: wrap; }
.spread { display: flex; align-items: center; justify-content: space-between; gap: var(--s4); flex-wrap: wrap; }
.stack { display: grid; gap: var(--s4); }
.stack-sm { display: grid; gap: var(--s2); }
.grow { flex: 1 1 auto; min-width: 0; }
[hidden] { display: none !important; }

/* ---------- buttons, inputs ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--s2); min-height: 42px; padding: 0 18px;
  border-radius: 11px; border: 1px solid var(--line-strong); background: var(--surface); font-weight: 620; cursor: pointer;
  transition: transform .06s ease, background .15s ease; }
.btn:hover { background: var(--surface-2); }
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.08); background: var(--accent); }
.btn.danger { color: var(--bad); border-color: var(--bad); }
.btn.ghost { border-color: transparent; background: transparent; color: var(--ink-2); min-height: 36px; padding: 0 10px; }
.btn.ghost:hover { background: var(--surface-2); color: var(--ink); }
.btn.sm { min-height: 34px; padding: 0 12px; font-size: 14px; }
.field { display: grid; gap: 6px; }
.field > span { font-size: 13px; font-weight: 620; color: var(--ink-2); }
.input, .select { width: 100%; min-height: 44px; padding: 0 14px; border-radius: 11px; border: 1px solid var(--line-strong);
  background: var(--surface); }
.input:focus, .select:focus { outline: 3px solid var(--accent-soft); border-color: var(--accent); }
.check { display: flex; gap: var(--s3); align-items: flex-start; cursor: pointer; }
.check input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--accent); }

/* ---------- surfaces ---------- */
.page { max-width: 980px; margin: 0 auto; padding: var(--s6) var(--s5) var(--s7); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: var(--s5); box-shadow: var(--shadow); }
.card.flat { box-shadow: none; }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: var(--s3) var(--s4); }
.grid { display: grid; gap: var(--s4); grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.grid.tight { gap: var(--s3); grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); }

/* ---------- pills ---------- */
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px; font-size: 12.5px; font-weight: 640;
  background: var(--surface-2); color: var(--ink-2); white-space: nowrap; }
.pill.ok { background: var(--ok-soft); color: var(--ok); }
.pill.warn { background: var(--warn-soft); color: var(--warn); }
.pill.bad { background: var(--bad-soft); color: var(--bad); }
.pill.accent { background: var(--accent-soft); color: var(--accent); }
.tag { display: inline-block; padding: 2px 8px; border-radius: 6px; background: var(--surface-2); font-family: var(--mono); font-size: 12px; color: var(--ink-2); }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; display: inline-block; }

/* ---------- callouts ---------- */
.callout { border-radius: var(--radius-sm); padding: var(--s3) var(--s4); border: 1px solid var(--line); background: var(--surface-2); display: grid; gap: 4px; }
.callout.warn { background: var(--warn-soft); border-color: color-mix(in srgb, var(--warn) 40%, transparent); }
.callout.bad { background: var(--bad-soft); border-color: color-mix(in srgb, var(--bad) 40%, transparent); }
.callout.ok { background: var(--ok-soft); border-color: color-mix(in srgb, var(--ok) 35%, transparent); }
.callout b { font-weight: 660; }

/* ---------- login ---------- */
.center { min-height: 100vh; display: grid; place-items: center; padding: var(--s4); }
.login { width: min(400px, 100%); display: grid; gap: var(--s5); }

/* ---------- home ---------- */
.project { display: grid; gap: var(--s3); text-align: left; cursor: pointer; transition: border-color .15s ease, transform .1s ease; }
.project:hover { border-color: var(--accent); transform: translateY(-1px); text-decoration: none; }
.project h3 { font-size: 18px; color: var(--ink); }
.drop { border: 2px dashed var(--line-strong); border-radius: var(--radius); padding: var(--s5); display: grid; gap: var(--s3); background: transparent; }
.drop.over { border-color: var(--accent); background: var(--accent-soft); }
.track { height: 6px; border-radius: 3px; background: var(--surface-2); overflow: hidden; }
.track > i { display: block; height: 100%; background: var(--accent); border-radius: 3px; transition: width .4s ease; }

/* station */
.station { display: grid; gap: var(--s5); }
.station-head { display: grid; gap: var(--s2); }
.who { display: flex; gap: 6px; flex-wrap: wrap; }
.lede { font-size: 18px; color: var(--ink-2); max-width: 62ch; }

/* action bar */
.action { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: var(--s4) var(--s5); display: grid; gap: var(--s4); box-shadow: var(--shadow); }
.action.attention { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.action.risky { border-color: var(--warn); box-shadow: 0 0 0 4px var(--warn-soft); }
.choices { display: flex; flex-wrap: wrap; gap: var(--s2); }
.choice { border: 1px solid var(--line-strong); background: var(--surface); border-radius: 999px; padding: 7px 14px; cursor: pointer; font-weight: 600; }
.choice[aria-pressed="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.spinner { width: 18px; height: 18px; border-radius: 50%; border: 2.5px solid var(--line-strong); border-top-color: var(--accent); animation: spin .8s linear infinite; flex: 0 0 auto; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation-duration: 3s; } }

/* visuals */
.entity h3 { display: flex; justify-content: space-between; gap: var(--s2); margin-bottom: var(--s2); }
.count { font-family: var(--mono); font-size: 12px; color: var(--ink-3); }
.usecase { display: flex; align-items: center; gap: var(--s3); padding: var(--s3) 0; border-bottom: 1px solid var(--line); }
.usecase:last-child { border-bottom: 0; }
.bignum { font-size: 64px; line-height: 1; font-weight: 700; letter-spacing: -.04em; }
.bars { display: grid; gap: var(--s3); }
.bar-row { display: grid; grid-template-columns: minmax(110px, 190px) 1fr auto; gap: var(--s3); align-items: center; }
.bar { height: 12px; border-radius: 6px; background: var(--surface-2); overflow: hidden; }
.bar > i { display: block; height: 100%; border-radius: 6px; background: var(--accent); }
.bar.c1 > i { background: #2b4eff; } .bar.c2 > i { background: #0f9d76; } .bar.c3 > i { background: #c2620a; } .bar.c4 > i { background: #9a3fd1; } .bar.c5 > i { background: #c7304f; } .bar.c0 > i { background: #44608a; }
.split { display: flex; height: 22px; border-radius: 8px; overflow: hidden; gap: 2px; }
.split > i { display: block; min-width: 6px; }
.split > i.c1 { background: #2b4eff; } .split > i.c2 { background: #0f9d76; } .split > i.c3 { background: #c2620a; } .split > i.c4 { background: #9a3fd1; } .split > i.c5 { background: #c7304f; } .split > i.c0 { background: #44608a; }
.swatch { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.swatch.c1 { background: #2b4eff; } .swatch.c2 { background: #0f9d76; } .swatch.c3 { background: #c2620a; } .swatch.c4 { background: #9a3fd1; } .swatch.c5 { background: #c7304f; } .swatch.c0 { background: #44608a; }
.waves { display: grid; gap: var(--s4); grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.wave { border: 1px dashed var(--line-strong); border-radius: var(--radius); padding: var(--s4); display: grid; gap: var(--s3); align-content: start; }
.flow { display: flex; align-items: center; gap: var(--s2); flex-wrap: wrap; }
.arrow { color: var(--ink-3); }
.checklist { display: grid; gap: var(--s2); margin: 0; padding: 0; list-style: none; }
.checklist li { display: flex; align-items: center; gap: var(--s3); }
.tick { width: 22px; height: 22px; border-radius: 50%; background: var(--ok); color: #fff; display: grid; place-items: center; font-size: 13px; font-weight: 700; flex: 0 0 22px; }
.tick.off { background: var(--surface-2); color: var(--ink-3); }
table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); font-weight: 650; }
.scroll-x { overflow-x: auto; }
.hero { text-align: center; display: grid; gap: var(--s3); justify-items: center; padding: var(--s5) 0; }
.hero .seal { width: 64px; height: 64px; border-radius: 50%; background: var(--ok); color: #fff; display: grid; place-items: center; font-size: 30px; }

/* toasts */
#toasts { position: fixed; right: var(--s4); bottom: var(--s4); display: grid; gap: var(--s2); z-index: 20; width: min(380px, calc(100vw - 32px)); }
.toast { background: var(--ink); color: var(--bg); padding: var(--s3) var(--s4); border-radius: 12px; font-size: 14.5px; box-shadow: 0 10px 30px rgba(0, 0, 0, .25); animation: rise .18s ease-out; }
.toast.ok { background: var(--ok); color: #fff; }
@keyframes rise { from { transform: translateY(8px); opacity: 0; } }
.toast.bad { background: var(--bad); color: #fff; }


/* ---------- the steps of a run ---------- */
.steps { display: grid; gap: 2px; margin: 0; padding: 0; list-style: none; }
.steps li { list-style: none; }
.group { margin: var(--s3) 0 var(--s1) 8px; }
.step { position: relative; display: flex; align-items: center; gap: var(--s3); width: 100%; padding: 7px 8px; border: 0; background: transparent;
  border-radius: 10px; cursor: pointer; text-align: left; color: var(--ink-2); font-weight: 560; white-space: nowrap; overflow: hidden; }
.step:hover { background: var(--surface-2); }
.step .label { overflow: hidden; text-overflow: ellipsis; }
.step .mark { width: 26px; height: 26px; flex: 0 0 26px; border-radius: 50%; border: 2px solid var(--line-strong); display: grid; place-items: center;
  font-size: 12px; font-weight: 700; background: var(--surface); color: var(--ink-3); }
.step.done .mark { background: var(--ok); border-color: var(--ok); color: #fff; }
.step.current { color: var(--ink); }
.step.current .mark { border-color: var(--accent); background: var(--accent); color: var(--accent-ink); box-shadow: 0 0 0 4px var(--accent-soft); }
.step.skipped { opacity: .45; }
.step.selected { background: var(--surface-2); color: var(--ink); }
.step.problem .mark { border-color: var(--bad); background: var(--bad); color: #fff; }

/* ---------- shell: a sidebar that collapses, and the content ---------- */
.shell { --side-w: 272px; display: grid; grid-template-columns: var(--side-w) minmax(0, 1fr); min-height: 100vh; transition: grid-template-columns .18s ease; }
.shell.collapsed { --side-w: 68px; }
.main { min-width: 0; }
.side { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; gap: var(--s2); padding: var(--s3); background: var(--surface);
  border-right: 1px solid var(--line); z-index: 12; min-width: 0; }
.side-head { display: flex; align-items: center; justify-content: space-between; gap: var(--s2); min-height: 44px; }
.brand { display: flex; align-items: center; gap: var(--s3); font-weight: 720; letter-spacing: -.01em; color: var(--ink); min-width: 0; padding-left: 6px; }
.brand:hover { text-decoration: none; }
.brand-mark { width: 28px; height: 28px; flex: 0 0 28px; border-radius: 9px; background: var(--accent); display: grid; place-items: center; }
.brand-mark::after { content: ""; width: 10px; height: 10px; border-radius: 3px; background: var(--accent-ink); }
.side-project { display: grid; gap: 4px; padding: var(--s2) 6px var(--s3); border-bottom: 1px solid var(--line); }
.project-name { font-weight: 660; font-size: 17px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.side-steps { flex: 1 1 auto; overflow-y: auto; overflow-x: hidden; min-height: 0; scrollbar-width: thin; scrollbar-color: var(--line-strong) transparent; }
.side-foot { position: relative; display: flex; gap: var(--s1); padding-top: var(--s2); border-top: 1px solid var(--line); }
.side-btn { position: relative; display: inline-flex; align-items: center; gap: var(--s3); min-height: 42px; min-width: 42px; padding: 0 11px; border: 0;
  border-radius: 10px; background: transparent; color: var(--ink-2); cursor: pointer; font-weight: 600; white-space: nowrap; }
.side-btn:hover, .side-btn.on { background: var(--surface-2); color: var(--ink); text-decoration: none; }
.side-foot .side-btn { flex: 1 1 0; justify-content: center; }
.side-foot .side-btn .label { display: none; }
.icon { flex: 0 0 auto; }
.badge { position: absolute; top: 9px; right: 9px; width: 9px; height: 9px; border-radius: 50%; background: var(--bad); box-shadow: 0 0 0 2px var(--surface); }
.label { transition: opacity .12s ease; }

/* collapsed: numbers and checks only */
.shell.collapsed .label { display: none; }
.shell.collapsed .side { padding: var(--s3) var(--s2); align-items: center; }
.shell.collapsed .side-head { flex-direction: column; }
.shell.collapsed .brand { padding-left: 0; }
.shell.collapsed .collapse .icon { transform: rotate(180deg); }
.shell.collapsed .side-project { padding: 0 0 var(--s2); width: 100%; justify-items: center; }
.shell.collapsed .side-steps { width: 100%; }
.shell.collapsed .step { justify-content: center; padding: 6px 0; }
.shell.collapsed .group { height: 1px; margin: var(--s2) var(--s2); background: var(--line); padding: 0; }
.shell.collapsed .side-foot { flex-direction: column; width: 100%; }

/* the settings list, above the buttons */
.menu { position: absolute; left: 0; bottom: calc(100% + 8px); min-width: 230px; padding: 6px; background: var(--surface); border: 1px solid var(--line-strong);
  border-radius: 12px; box-shadow: 0 12px 34px rgba(0, 0, 0, .18); display: grid; gap: 2px; z-index: 30; }
.shell.collapsed .menu { left: calc(100% + 8px); bottom: 0; }
.menu-item { display: flex; align-items: center; gap: var(--s3); width: 100%; min-height: 40px; padding: 0 12px; border: 0; border-radius: 8px; background: transparent;
  cursor: pointer; text-align: left; font-weight: 580; }
.menu-item:hover { background: var(--surface-2); }

/* activity and the guide: a panel next to the sidebar */
.drawer { position: fixed; top: 0; bottom: 0; left: var(--side-w); width: min(400px, calc(100vw - var(--side-w))); background: var(--surface);
  border-right: 1px solid var(--line-strong); box-shadow: 18px 0 40px rgba(0, 0, 0, .12); z-index: 11; display: flex; flex-direction: column; animation: slide .16s ease-out; }
@keyframes slide { from { transform: translateX(-12px); opacity: 0; } }
.drawer-head { padding: var(--s4) var(--s4) var(--s3) var(--s5); border-bottom: 1px solid var(--line); }
.drawer-body { padding: var(--s4) var(--s5) var(--s6); overflow-y: auto; scrollbar-width: thin; scrollbar-color: var(--line-strong) transparent; }
.feed { display: grid; margin: 0; padding: 0; list-style: none; }
.feed li { display: grid; grid-template-columns: 14px 1fr; gap: var(--s3); padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.feed li:last-child { border-bottom: 0; }
.feed .dot { margin-top: 7px; color: var(--ink-3); }
.feed .ok .dot { color: var(--ok); } .feed .bad .dot { color: var(--bad); } .feed .accent .dot { color: var(--accent); } .feed .warn .dot { color: var(--warn); }
.feed time { color: var(--ink-3); font-family: var(--mono); font-size: 12px; }
.scrim { display: none; }
.station-top { min-height: 36px; }
.area { min-height: 92px; padding: 12px 14px; resize: vertical; line-height: 1.45; }
.area.tall { min-height: 320px; max-height: 60vh; font-size: 13px; line-height: 1.55; white-space: pre-wrap; }
.project-name { color: var(--ink); }
a.project-name:hover { color: var(--accent); text-decoration: none; }

/* ---------- small screens (last, so it wins) ---------- */
@media (max-width: 780px) {
  h1 { font-size: 26px; }
  .lede { font-size: 16px; }
  .page { padding: var(--s4) var(--s4) var(--s6); }
  .card { padding: var(--s4); }
  .action { padding: var(--s4); }
  .bar-row { grid-template-columns: minmax(90px, 130px) 1fr auto; }
  body { overflow-x: hidden; }
  /* the sidebar is a rail; opened, it covers the page instead of squeezing it */
  .shell, .shell.collapsed { --side-w: 60px; grid-template-columns: 60px minmax(0, 1fr); }
  .shell:not(.collapsed) .side { position: fixed; left: 0; top: 0; width: 272px; box-shadow: 18px 0 40px rgba(0, 0, 0, .25); z-index: 22; }
  .shell:not(.collapsed) .scrim { display: block; position: fixed; inset: 0; background: rgba(0, 0, 0, .35); z-index: 21; }
  .drawer { left: 0; width: 100vw; z-index: 25; }
  .shell:not(.collapsed) .main { grid-column: 2; }
}

/* ---------- the data model as a UML diagram ---------- */
.uml-wrap { border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-2); padding: var(--s3); }
.uml { display: block; width: 100%; height: auto; margin: 0 auto; }
.uml .node { cursor: pointer; outline: none; }
.uml .node rect { fill: var(--surface); stroke: var(--line-strong); stroke-width: 1.5; }
.uml .node .rule { stroke: var(--line); stroke-width: 1; }
.uml .node .name { fill: var(--ink); font: 650 14px var(--font); }
.uml .node .count { fill: var(--ink-3); font: 12px var(--mono); }
.uml .node:hover rect, .uml .node:focus-visible rect { stroke: var(--accent); }
.uml .node.selected rect { fill: var(--accent-soft); stroke: var(--accent); stroke-width: 2.5; }
.uml .node.selected .rule { stroke: var(--accent); }
.uml .edge path { stroke: var(--ink-2); stroke-width: 1.5; fill: none; }
.uml .edge polygon { stroke: var(--ink-2); stroke-width: 1.5; }
.uml .edge polygon.filled { fill: var(--ink-2); }
.uml .edge polygon.hollow { fill: var(--surface-2); }
.uml .edge.hot path, .uml .edge.hot polygon { stroke: var(--accent); stroke-width: 2.2; }
.uml .edge.hot polygon.filled { fill: var(--accent); }
.uml .edge.dim { opacity: .28; }
.uml-legend .glyph { color: var(--ink); font-size: 15px; }

.differences { margin: var(--s2) 0 0; padding-left: 20px; }
.choice[aria-checked="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

/* ---------- the services board ---------- */
.c0 { --tone: #44608a; } .c1 { --tone: #2b4eff; } .c2 { --tone: #0f9d76; } .c3 { --tone: #c2620a; } .c4 { --tone: #9a3fd1; } .c5 { --tone: #c7304f; }
.board { position: relative; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-2); padding: var(--s4) var(--s4) var(--s4) var(--s6); }
.board-grid { display: grid; gap: var(--s5) var(--s6); grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); align-items: start; }
.svc { border: 1.5px solid color-mix(in srgb, var(--tone) 55%, var(--line)); border-radius: var(--radius-sm); overflow: hidden;
  background: color-mix(in srgb, var(--tone) 7%, var(--surface)); transition: box-shadow .12s ease, border-color .12s ease; }
.svc > header { display: flex; align-items: center; gap: var(--s2); padding: var(--s2) var(--s3); background: color-mix(in srgb, var(--tone) 16%, var(--surface));
  border-bottom: 1px solid color-mix(in srgb, var(--tone) 35%, var(--line)); }
.svc.over { border-style: dashed; border-color: var(--tone); box-shadow: 0 0 0 4px color-mix(in srgb, var(--tone) 22%, transparent); }
.ents { display: grid; gap: var(--s2); padding: var(--s3); min-height: 56px; }
.ent { display: flex; justify-content: space-between; align-items: baseline; gap: var(--s2); width: 100%; text-align: left; font: inherit; color: var(--ink);
  background: var(--surface); border: 1px solid var(--line-strong); border-left: 4px solid var(--tone); border-radius: 8px; padding: 8px 10px; cursor: pointer; }
.ent .name { font-weight: 650; overflow-wrap: anywhere; }
.ent:hover, .ent:focus-visible { border-color: var(--tone); outline: none; }
.ent.selected { border-color: var(--tone); box-shadow: 0 0 0 3px color-mix(in srgb, var(--tone) 28%, transparent); }
.ent.split { border-style: dashed; border-left-style: solid; }
.ent.dragging { opacity: .45; }
.board.editable .ent[draggable="true"] { cursor: grab; }
.links { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; overflow: visible; }
.link path { fill: none; stroke: var(--ink-3); stroke-width: 1.5; opacity: .6; }
.link circle { fill: var(--ink-3); opacity: .6; }
.link.cross path { stroke: var(--warn); stroke-width: 2; stroke-dasharray: 6 4; opacity: .95; }
.link.cross circle { fill: var(--warn); opacity: .95; }
.link.hot path { stroke: var(--accent); stroke-width: 2.6; opacity: 1; }
.link.hot circle { fill: var(--accent); opacity: 1; }
.link.dim { opacity: .22; }
.board-legend .line { display: inline-block; width: 26px; border-top: 2px solid var(--ink-3); vertical-align: middle; }
.board-legend .line.cross { border-top: 2px dashed var(--warn); }
@media (max-width: 560px) { .board { padding-left: var(--s5); } .board-grid { grid-template-columns: minmax(0, 1fr); } }

/* ---------- how the score is worked out ---------- */
.weight { color: #9a3fd1; font-family: var(--mono); font-weight: 700; }
:root[data-theme="dark"] .weight { color: #c98bf0; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .weight { color: #c98bf0; } }
.c6 { --tone: #0e8fa8; }
.split > i.c6 { background: #0e8fa8; } .swatch.c6 { background: #0e8fa8; }
.split > i.rest { background: var(--surface-2); min-width: 0; }
.legend { display: flex; flex-wrap: wrap; gap: var(--s2) var(--s4); font-size: 14px; }
.how-calc > summary, .calc > summary { cursor: pointer; color: var(--ink-2); font-weight: 600; }
.calc { margin: var(--s2) 0 0 var(--s4); }
.scores { width: 100%; }
.scores th { white-space: nowrap; }
.scores td:not(:first-child), .scores th:not(:first-child) { text-align: right; }
.scores tfoot td { border-top: 1px solid var(--line-strong); }

/* ---------- the guide: text, strips and architecture diagrams ---------- */
.guide-page { max-width: 1040px; }
.guide-body { gap: var(--s5); }
.guide-h { margin-top: var(--s3); }
.prose { font-size: 17px; color: var(--ink-2); max-width: 66ch; }
.points { margin: 0; padding-left: 22px; display: grid; gap: var(--s2); max-width: 70ch; }
.points li::marker { color: var(--ink-3); }
.points.yes { list-style: none; padding-left: 0; } .points.no { list-style: none; padding-left: 0; }
.points.yes li, .points.no li { position: relative; padding-left: 26px; }
.points.yes li::before, .points.no li::before { position: absolute; left: 0; top: 0; font-weight: 700; }
.points.yes li::before { content: "✓"; color: var(--ok); }
.points.no li::before { content: "–"; color: var(--warn); }
.columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s4); }
.parts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s4); align-items: start; }
.journey { margin: 0; padding-left: 26px; display: grid; gap: var(--s3); }
.journey li::marker { color: var(--ink-3); font-weight: 650; }
.strip { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); gap: var(--s3); margin: 0; padding: 0; list-style: none; }
.strip li { position: relative; display: grid; gap: 4px; align-content: start; padding: var(--s4); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); }
.strip li:not(:last-child)::after { content: "→"; position: absolute; right: -15px; top: 50%; transform: translateY(-50%); color: var(--ink-3); font-weight: 700; z-index: 1; background: var(--bg); border-radius: 50%; width: 18px; text-align: center; }
.strip .n { width: 24px; height: 24px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; font-size: 12px; font-weight: 700; }
.guide-next { margin-top: var(--s5); padding-top: var(--s4); border-top: 1px solid var(--line); }

.arch-wrap { border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-2); padding: var(--s3); }
.arch { display: block; width: 100%; height: auto; margin: 0 auto; }
.arch .node { cursor: pointer; outline: none; }
.arch .node .body { fill: var(--surface); stroke: var(--line-strong); stroke-width: 1.6; }
.arch .node .name { fill: var(--ink); font: 650 14px var(--font); }
.arch .node .sub { fill: var(--ink-3); font: 11.5px var(--mono); }
.arch .node .zoom-mark { fill: var(--accent); font: 700 16px var(--font); }
.arch .node.supervisor .outer { fill: none; stroke: var(--accent); stroke-width: 1.4; }
.arch .node.supervisor .body { fill: var(--accent-soft); stroke: var(--accent); stroke-width: 1.8; }
.arch .node.agent .body { fill: var(--accent-soft); stroke: var(--accent); }
.arch .node.code .body { fill: var(--surface-2); stroke: var(--ink-3); }
.arch .node.person .body { fill: var(--ok-soft); stroke: var(--ok); }
.arch .node.external .body { fill: var(--surface); stroke: var(--ink-2); stroke-dasharray: 6 4; }
.arch .node.store .band { fill: var(--ink-3); }
.arch .node.later { opacity: .55; }
.arch .node:hover .body, .arch .node:focus-visible .body { stroke-width: 2.6; }
.arch .node.selected .body { stroke: var(--accent); stroke-width: 3; fill: var(--accent-soft); }
.arch .node.dim, .arch .edge.dim { opacity: .45; }
.arch .edge path { stroke: var(--ink-2); stroke-width: 1.6; fill: none; }
.arch .edge polygon { fill: var(--ink-2); stroke: none; }
.arch .edge.asks path { stroke-dasharray: 5 4; }
.arch .edge.back path { stroke: var(--accent); stroke-dasharray: 2 4; stroke-width: 2; }
.arch .edge.back polygon { fill: var(--accent); }
.arch .edge.hot path { stroke: var(--accent); stroke-width: 2.4; }
.arch .edge.hot polygon { fill: var(--accent); }
.arch .edge-label { fill: var(--ink-3); font: 11px var(--mono); paint-order: stroke; stroke: var(--surface-2); stroke-width: 4px; }
.arch-legend { gap: var(--s4); }
.key { display: inline-flex; align-items: center; gap: 6px; }
.swatch { width: 16px; height: 12px; border: 1.6px solid var(--line-strong); background: var(--surface); display: inline-block; border-radius: 4px; }
.swatch.supervisor { border-color: var(--accent); background: var(--accent-soft); box-shadow: 0 0 0 2px var(--surface-2), 0 0 0 3.5px var(--accent); }
.swatch.agent { border-color: var(--accent); background: var(--accent-soft); }
.swatch.code { border-color: var(--ink-3); background: var(--surface-2); border-radius: 1px; }
.swatch.person { border-color: var(--ok); background: var(--ok-soft); border-radius: 8px; }
.swatch.external { border-style: dashed; border-color: var(--ink-2); }
.swatch.store { border-left: 5px solid var(--ink-3); }
.arch-card .kind { font-size: 12px; color: var(--ink-3); font-weight: 600; }
.facts { margin: 0; display: grid; grid-template-columns: max-content 1fr; gap: 6px var(--s4); }
.facts dt { color: var(--ink-3); font-size: 13px; font-weight: 600; }
.facts dd { margin: 0; }
@media (max-width: 780px) {
  .columns, .parts { grid-template-columns: minmax(0, 1fr); }
  .strip { grid-auto-flow: row; }
  .strip li:not(:last-child)::after { content: "↓"; right: auto; left: 50%; top: auto; bottom: -15px; transform: translateX(-50%); }
  .facts { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .facts dd { margin-bottom: var(--s2); }
}
.how { margin-left: var(--s2); font-weight: 600; }

/* ---- The order station: the plane of value and risk, its order list and its controls ---- */
.order-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(240px, 1fr); gap: var(--s4); align-items: start; }
@media (max-width: 880px) { .order-grid { grid-template-columns: 1fr; } }
.plane-box { min-width: 0; }
svg.plane { width: 100%; height: auto; max-width: 720px; display: block; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); }
svg.plane .grid-line { stroke: var(--line); stroke-width: 1; }
svg.plane .tick, svg.plane .axis { fill: var(--ink-3); font-size: 11px; }
svg.plane .dot { fill: var(--ink-3); stroke: var(--surface); stroke-width: 2; }
svg.plane .svc { cursor: pointer; outline: none; }
svg.plane .svc text { fill: var(--ink); font-size: 12px; font-weight: 600; pointer-events: none; }
svg.plane .svc:hover .dot, svg.plane .svc:focus .dot { fill: var(--accent); }
svg.plane .svc.on .dot { fill: var(--accent); }
svg.plane .svc.on text { fill: var(--accent); }
.order-list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s2); }
.order-list li { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: var(--s2) var(--s3); background: var(--surface); }
.order-list li[draggable="true"] { cursor: grab; }
.order-list li.moved { border-color: var(--warn); background: var(--warn-soft); }
.linkish { background: none; border: 0; padding: 0; text-align: left; font: inherit; font-weight: 600; color: var(--ink); cursor: pointer; }
.linkish:hover { color: var(--accent); }
.importance .dots { display: flex; gap: 6px; }
.dotbtn { width: 22px; height: 22px; border-radius: 50%; border: 1.6px solid var(--line-strong); background: var(--surface); cursor: pointer; font-size: 10px; color: var(--ink-3); padding: 0; }
.dotbtn.on { background: var(--accent); border-color: var(--accent); }
.dotbtn.off { background: var(--ink-3); color: var(--bg); }
.dotbtn:disabled { cursor: default; opacity: .6; }
.importance .origin { min-width: 190px; }