/* Palette and type match emergencemachine.com — monochrome dark, Ysabeau body,
   Caveat display. --accent2/--cmpb are the only chromatic additions, reserved
   for graph semantics (foundations, comparison sides). */
:root {
  --bg: #1B1B1B; --fg: #F0F0F0; --muted: #9a9a9a; --card: #242424;
  --line: #2e2e2e; --accent: #F0F0F0; --accent2: #8fb89b; --cmpb: #7fa8d9;
  --badge: #2e2e2e; --max-w: 960px;
  --display: 'Caveat', cursive;
  --mono: 'Fira Code', ui-monospace, Consolas, monospace;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg);
  font: 17px/1.65 'Ysabeau Office', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; }
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }
header.site { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap;
  padding: .9rem 1.5rem; border-bottom: 1px solid var(--line); position: relative;
  max-width: var(--max-w); margin: 0 auto; }
header.site .logo { border-radius: 6px; display: block; }
header.site .title { font-family: var(--display); font-size: 1.7rem; color: var(--fg);
  text-decoration: none; }
.nav-desktop { display: flex; gap: 1rem; margin-left: 1rem; }
.nav-desktop a { color: var(--muted); text-decoration: none; font-size: .95rem; }
.nav-desktop a:hover { color: #fff; }
.burger, .nav-close, .fb-close { display: none; background: none; border: 0;
  color: var(--fg); cursor: pointer; }
.nav-overlay { display: none; position: fixed; inset: 0; background: var(--bg);
  z-index: 50; padding: 4rem 2rem; }
.nav-overlay.open { display: block; }
.nav-overlay .nav-close { display: block; position: absolute; top: 1.2rem; right: 1.2rem; }
.nav-mobile { display: flex; flex-direction: column; gap: 1rem; font-size: 1.15rem; }
.nav-mobile a { color: var(--fg); text-decoration: none; }
@media (max-width: 760px) {
  .burger { display: block; margin-left: auto; }
  .nav-desktop { display: none; }
  #q { order: 5; width: 100%; margin-left: 0 !important; }
}
#q { margin-left: auto; font: 14px var(--mono); padding: .4rem .7rem; min-width: 14rem;
  background: #151515; color: var(--fg); border: 1px solid var(--line); border-radius: 5px; }
#q:focus { outline: 2px solid #555; outline-offset: 1px; }
#results { position: absolute; right: 1.5rem; top: 3.6rem; background: var(--card);
  border: 1px solid var(--line); border-radius: 8px; max-height: 24rem; overflow-y: auto;
  min-width: 22rem; z-index: 10; box-shadow: 0 8px 30px rgba(0,0,0,.45); display: none; }
#results a { display: block; padding: .45rem .8rem; text-decoration: none;
  color: var(--fg); border-bottom: 1px solid var(--line); font-size: .92rem; }
#results a:hover { background: #2e2e2e; }
#results .rid { color: var(--muted); font-family: var(--mono); font-size: .78rem; }
main { max-width: var(--max-w); margin: 0 auto; padding: 1.6rem 1.5rem 3rem; }
/* footer + newsletter + feedback, matching the atlas chrome */
.stay-updated { margin: 3rem auto 1rem; }
.stay-updated-card { background: rgba(255,255,255,.04); border: 1px solid var(--line);
  border-radius: 8px; padding: 1.4rem 1.5rem; }
.stay-updated-title { margin: 0 0 .4rem; font-size: 1.3rem; }
.stay-updated-intro { margin: 0 0 1.1rem; color: #bbb; font-size: .95rem; }
.stay-updated-row { display: grid; grid-template-columns: 2fr 1fr; gap: 1.5rem; }
@media (max-width: 720px) { .stay-updated-row { grid-template-columns: 1fr; } }
.newsletter-form { display: flex; flex-direction: column; gap: .7rem; }
.nf-field { display: flex; flex-direction: column; gap: .25rem; }
.nf-field span { font-size: .8rem; color: #aaa; }
.nf-field input, #fb-text, #fb-contact { background: #1b1b1b; color: #eee;
  border: 1px solid #555; border-radius: 4px; padding: .45rem .6rem; font: inherit;
  font-size: .95rem; width: 100%; }
.nf-privacy { display: flex; align-items: flex-start; gap: .5rem; font-size: .82rem; color: #bbb; }
.nf-privacy a { color: #ddd; }
.nf-submit { background: #f0f0f0; color: #111; border: 0; border-radius: 4px;
  padding: .5rem 1.2rem; font: inherit; font-weight: 600; cursor: pointer; }
.nf-submit:hover { filter: brightness(.9); }
.su-social-label { font-size: .8rem; color: #aaa; margin: 0 0 .5rem; }
.social-icons { display: flex; gap: .8rem; }
.social-icons a { color: var(--muted); }
.social-icons a:hover { color: #fff; }
footer.site { border-top: 1px solid var(--line); margin-top: 2rem;
  padding: 2rem 1.5rem 1rem; }
.footer-grid { max-width: var(--max-w); margin: 0 auto; display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2rem; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-logo { display: flex; align-items: center; gap: .7rem; text-decoration: none;
  color: var(--fg); }
.footer-logo .title { font-family: var(--display); font-size: 1.4rem; }
.tagline { color: var(--muted); font-size: .9rem; margin: .5rem 0 .8rem; }
.footer-col h3 { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em;
  color: var(--muted); margin: 0 0 .6rem; }
.footer-col a { display: block; color: #ccc; text-decoration: none; font-size: .92rem;
  padding: .15rem 0; }
.footer-col a:hover { color: #fff; }
.footer-note { max-width: var(--max-w); margin: 1.6rem auto 0; color: var(--muted);
  font-size: .85rem; text-align: center; }
.fb-modal { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.7);
  z-index: 60; align-items: center; justify-content: center; padding: 1.5rem; }
.fb-modal.open { display: flex; }
.fb-card { background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 1.4rem 1.5rem; max-width: 34rem; width: 100%; position: relative; }
.fb-card h3 { margin: 0 0 .4rem; }
.fb-close { display: block !important; position: absolute; top: .6rem; right: .9rem;
  font-size: 1.5rem; line-height: 1; }
.fb-row { display: flex; gap: .7rem; margin-top: .7rem; align-items: center; }
.fb-status { font-size: .85rem; color: var(--muted); min-height: 1.2em; margin: .5rem 0 0; }
.fb-status.err { color: #e08b6a; } .fb-status.ok { color: var(--accent2); }
h1 { font-size: 2.2rem; margin: .4rem 0 0; }
h1 .sense { color: var(--muted); font-style: italic; font-size: 1.2rem; }
h2 { font-size: 1.05rem; letter-spacing: .06em; text-transform: uppercase;
  color: var(--muted); margin: 2rem 0 .6rem; }
.defn { font-size: 1.25rem; line-height: 1.55; margin: .8rem 0 0; }
a.wl, a.wl-multi, a.wl-phrase { color: var(--fg); text-decoration: none;
  border-bottom: 1px dotted #777; }
a.wl-multi { border-bottom-style: dashed; }
a.wl-phrase { border-bottom: 2px solid var(--accent2); color: var(--accent2); }
a.wl:hover, a.wl-multi:hover, a.wl-phrase:hover { background: #2e2e2e; border-bottom-color: #fff; }
.badge.folk { border: 1px solid var(--accent2); color: var(--accent2); }
h1 .sense, h2 { font-family: inherit; }
h1 { font-family: var(--display); font-size: 2.6rem; font-weight: 600; }
.node-head { display: flex; align-items: flex-start; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap; }
.node-head h1 { margin-bottom: 0; }
.tqe-badge { display: inline-flex; align-items: center; gap: .45rem; margin-top: .9rem;
  background: rgba(255,255,255,.06); border: 1px solid var(--line); border-radius: 999px;
  padding: .4rem .95rem .4rem .6rem; color: var(--fg); text-decoration: none;
  font-size: .92rem; white-space: nowrap; }
.tqe-badge:hover { background: rgba(255,255,255,.12); border-color: #666; }
.meta { color: var(--muted); font-size: .85rem; font-family: var(--mono); margin-top: .3rem; }
.badges { margin-top: .6rem; }
.badge { display: inline-block; background: var(--badge); border-radius: 5px;
  padding: .1rem .55rem; font: .78rem var(--mono); margin-right: .4rem; color: var(--fg); }
.badge.pub { color: var(--accent2); font-weight: bold; }
.badge.draft { color: var(--accent); }
.badge.window { border: 1px solid var(--accent); color: var(--accent); }
.badge.L0 { background: var(--accent2); color: var(--bg); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 1rem 1.2rem; margin: .6rem 0; }
.card .int { font-style: italic; }
.card ul.props { margin: .5rem 0 0; padding-left: 1.2rem; }
ul.chain, ul.chain ul { list-style: none; padding-left: 1.15rem; margin: .2rem 0;
  border-left: 1px solid var(--line); }
ul.chain > li, ul.chain ul > li { padding: .12rem 0; }
ul.chain a { text-decoration: none; color: var(--fg); }
ul.chain a:hover { color: var(--accent); }
ul.chain a.foundation { color: var(--accent2); font-weight: bold; }
.lv { font: .72rem var(--mono); color: var(--muted); margin-left: .45rem; }
.cols { columns: 2; column-gap: 2rem; }
.cols a { display: block; color: var(--fg); text-decoration: none; padding: .1rem 0;
  font-size: .95rem; }
.cols a:hover { color: var(--accent); }
.muted { color: var(--muted); }
.stats { display: flex; gap: 2.2rem; flex-wrap: wrap; margin: 1.4rem 0; }
.stat b { display: block; font-size: 2rem; color: var(--accent); }
.stat span { color: var(--muted); font-size: .9rem; }
.fcards { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: .8rem; }
.fcards a { text-decoration: none; color: var(--fg); }
.fcards .card:hover { border-color: var(--accent); }
.fcards .card b { color: var(--accent2); font-size: 1.15rem; }
.levelrow { margin: .3rem 0; }
.levelrow b { font-family: var(--mono); color: var(--accent); }
footer { text-align: center; color: var(--muted); border-top: 1px solid var(--line);
  padding: 1.2rem; font-size: .85rem; }
.graph-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px;
  background: var(--card); padding: .6rem; }
svg.dag { display: block; margin: 0 auto; font: 13px var(--mono); }
svg.dag .edge { fill: none; stroke: var(--line); stroke-width: 1.5; }
svg.dag .edge.hl { stroke: var(--accent); stroke-width: 2.5; }
svg.dag g rect { fill: var(--badge); stroke: var(--line); }
svg.dag g text { fill: var(--fg); }
svg.dag .gn-f rect { fill: var(--accent2); stroke: none; }
svg.dag .gn-f text { fill: var(--bg); font-weight: bold; }
svg.dag .gn-t rect { fill: none; stroke: var(--accent); stroke-width: 2; }
svg.dag .gn-t text { fill: var(--accent); font-weight: bold; }
svg.dag a { cursor: pointer; }
svg.dag g:hover rect { stroke: var(--accent); }
.treefold { margin-top: .6rem; }
.treefold summary { color: var(--muted); cursor: pointer; font-size: .9rem; }
.gloss { color: var(--muted); font-size: 1rem; margin: .5rem 0 0; }
.gloss b { font-variant: small-caps; letter-spacing: .04em; }
ul.examples { margin: .4rem 0 0; padding-left: 1.2rem; }
ul.examples li { margin: .35rem 0; }
.exdom { font: .75rem var(--mono); color: var(--muted); background: var(--badge);
  padding: .05rem .4rem; border-radius: 4px; margin-left: .4rem; }
svg.hood { display: block; margin: 0 auto; font: 15px Georgia, serif; }
svg.hood .band-up { fill: var(--accent); opacity: .07; }
svg.hood .band-down { fill: var(--cmpb, #3d5e8f); opacity: .07; }
svg.hood .bandlab { font: .78rem var(--mono); fill: var(--muted); }
svg.hood .hedge { fill: none; stroke: var(--muted); stroke-width: 1.4;
  opacity: .65; color: var(--muted); }
svg.hood g rect { fill: var(--badge); stroke: none; }
svg.hood g text { fill: #fff; }
svg.hood .hlv { font: .7rem var(--mono); fill: #fff; opacity: .6; }
svg.hood .hn-focus rect { stroke: var(--accent); stroke-width: 3; }
svg.hood .hn-focus text { fill: #fff; font-weight: bold; }
svg.hood a { cursor: pointer; }
svg.hood g:hover rect { stroke: var(--accent); stroke-width: 2.5; }
:root { --cmpb: #3d5e8f; }
@media (prefers-color-scheme: dark) { :root { --cmpb: #8fb0dd; } }
.pickers { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; margin: 1rem 0; }
.pickers label { font: bold .8rem var(--mono); color: var(--muted); }
.pickers input { width: 100%; font: 15px var(--mono); padding: .45rem .6rem;
  background: var(--card); color: var(--fg); border: 1px solid var(--line); border-radius: 6px; }
.pickers .pa-label { color: var(--accent); } .pickers .pb-label { color: var(--cmpb); }
.pickbox { max-height: 14rem; overflow-y: auto; }
.pickbox a { display: block; padding: .3rem .5rem; text-decoration: none; color: var(--fg);
  font-size: .88rem; border-bottom: 1px solid var(--line); }
.pickbox a:hover, .pickbox a.sel { background: var(--badge); }
.pickbox a.sel { outline: 2px solid var(--accent); outline-offset: -2px; }
.cmp-actions { display: flex; gap: .7rem; align-items: center; margin: .2rem 0 1rem; }
.cmp-actions button { font: 15px var(--mono); padding: .45rem 1.1rem; cursor: pointer;
  background: var(--accent); color: var(--bg); border: none; border-radius: 6px; }
.cmp-actions button:hover { filter: brightness(1.1); }
.cmp-actions button.ghost { background: transparent; color: var(--muted);
  border: 1px solid var(--line); }
.cmp-actions button.ghost:hover { color: var(--accent); border-color: var(--accent); }
svg.dag .gn-a rect { stroke: var(--accent); stroke-width: 1.6; }
svg.dag .gn-b rect { stroke: var(--cmpb); stroke-width: 1.6; }
svg.dag .gn-ab rect { stroke: var(--accent2); stroke-width: 2.2; }
svg.dag .gn-end rect { stroke-width: 3; }
svg.dag .gn-wit rect { fill: var(--accent2); }
svg.dag .gn-wit text { fill: var(--bg); font-weight: bold; }
.mx { display: flex; gap: 2rem; flex-wrap: wrap; margin: 1rem 0; }
.mx .stat b { font-size: 1.5rem; }
.legend span { font: .8rem var(--mono); margin-right: 1.1rem; }
.lg-a { color: var(--accent); } .lg-b { color: var(--cmpb); } .lg-ab { color: var(--accent2); }
table.rel { border-collapse: collapse; }
table.rel td { padding: .2rem .8rem .2rem 0; }