/* ========== TOKENS ========== */
:root{
  --bg:#FAFAF9;
  --paper:#FFFFFF;
  --paper-2:#F5F5F4;
  --line:#E7E5E4;
  --line-2:#D6D3D1;
  --ink:#1C1917;
  --ink-2:#44403C;
  --muted:#78716C;
  --faint:#A8A29E;
  --accent:#C2410C;
  --accent-2:#9A3412;
  --gut:24px;
  --hdr-h:60px;
  --maxw:min(880px,92vw);
  --maxw-wide:min(1800px,92vw);
  --serif:'Newsreader',Georgia,'Iowan Old Style',serif;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  --mono:'JetBrains Mono','SF Mono',Menlo,monospace;
  --ease-quick:cubic-bezier(.2,.7,.3,1);
  --ease-stage:cubic-bezier(.16,1,.3,1);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0C0A09;
    --paper:#1C1917;
    --paper-2:#292524;
    --line:#292524;
    --line-2:#44403C;
    --ink:#FAFAF9;
    --ink-2:#D6D3D1;
    --muted:#A8A29E;
    --faint:#78716C;
    --accent:#FB923C;
    --accent-2:#FDBA74;
  }
}
:root[data-theme="dark"]{
  --bg:#0C0A09;
  --paper:#1C1917;
  --paper-2:#292524;
  --line:#292524;
  --line-2:#44403C;
  --ink:#FAFAF9;
  --ink-2:#D6D3D1;
  --muted:#A8A29E;
  --faint:#78716C;
  --accent:#FB923C;
  --accent-2:#FDBA74;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{overflow-x:hidden;scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--serif);
  font-size:17px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  min-height:100vh;
  position:relative;
  /* Newsreader is variable on the optical-size (opsz) axis. Tell the browser
     to switch the optical size automatically so the year reads like display
     type at 9rem and like body type at 17px. */
  font-optical-sizing:auto;
  font-variant-numeric:lining-nums proportional-nums;
}
/* paper grain — gives the page tactility without dominating */
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:1;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='1' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.06 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  mix-blend-mode:multiply;opacity:.55;
}
:root[data-theme="dark"] body::before, :root:not([data-theme="light"]) body::before{
  mix-blend-mode:screen;opacity:.35;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) body::before{mix-blend-mode:screen;opacity:.35}
}
#hdr,main,footer,#app,#mobileMenu{position:relative;z-index:2}
a{color:inherit;text-decoration:none}
button{font:inherit;background:none;border:0;cursor:pointer;color:inherit}
img,svg{display:block;max-width:100%}
::selection{background:var(--accent);color:#fff}

/* ========== HEADER ========== */
#hdr{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  height:var(--hdr-h);
  padding:0 var(--gut);
  background:color-mix(in oklab,var(--bg) 84%,transparent);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:border-color .25s var(--ease-quick);
}
#hdr.scrolled{border-bottom-color:var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:1.1rem;font-weight:500;letter-spacing:-.01em}
.brand-mark{
  width:10px;height:10px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 3px color-mix(in oklab,var(--accent) 18%,transparent);
  animation:brand-breathe 4.2s var(--ease-quick) infinite;
}
@keyframes brand-breathe{
  0%,100%{box-shadow:0 0 0 3px color-mix(in oklab,var(--accent) 18%,transparent)}
  50%{box-shadow:0 0 0 5px color-mix(in oklab,var(--accent) 10%,transparent)}
}
@media (prefers-reduced-motion:reduce){
  .brand-mark{animation:none}
}
.brand-name{font-style:italic}
#nav{display:flex;align-items:center;gap:2px}
#nav a{
  padding:8px 14px;font-family:var(--sans);font-size:.86rem;color:var(--muted);
  border-radius:999px;transition:color .2s,background .2s;
  letter-spacing:.005em;
}
#nav a:hover{color:var(--ink)}
#nav a.active{color:var(--ink);background:color-mix(in oklab,var(--accent) 12%,transparent)}
.hdr-right{display:flex;align-items:center;gap:10px}
#randomBtn,#randomBtnMobile{
  font-family:var(--sans);font-size:.82rem;color:var(--ink-2);
  padding:7px 14px;border:1px solid var(--line-2);border-radius:999px;
  background:var(--paper);transition:border-color .15s,color .15s,background .15s;
}
#randomBtn:hover,#randomBtnMobile:hover{
  border-color:var(--accent);color:var(--accent);background:color-mix(in oklab,var(--accent) 6%,var(--paper));
}
#themeBtn{
  width:34px;height:34px;display:flex;align-items:center;justify-content:center;
  color:var(--muted);border-radius:999px;transition:color .15s,background .15s;
}
#themeBtn:hover{color:var(--ink);background:var(--paper-2)}
#menuBtn{display:none;width:36px;height:36px;align-items:center;justify-content:center;color:var(--ink-2);border-radius:8px}

/* Mobile menu */
#mobileBackdrop{position:fixed;inset:0;background:#0008;backdrop-filter:blur(4px);opacity:0;pointer-events:none;transition:opacity .25s var(--ease-quick);z-index:60}
#mobileBackdrop.show{opacity:1;pointer-events:auto}
#mobileMenu{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,320px);z-index:61;
  background:var(--paper);border-left:1px solid var(--line);
  display:flex;flex-direction:column;gap:6px;
  padding:80px 24px 24px;
  transform:translateX(100%);transition:transform .3s var(--ease-stage);
}
#mobileMenu.open{transform:translateX(0)}
#mobileMenu a{
  font-family:var(--sans);font-size:1rem;color:var(--ink-2);padding:14px 16px;border-radius:10px;
}
#mobileMenu a:hover,#mobileMenu a.active{background:var(--paper-2);color:var(--ink)}
#mobileMenu > button{margin-top:14px;text-align:left;font-family:var(--sans);font-size:1rem;color:var(--accent);padding:14px 16px;border:1px solid var(--accent);border-radius:10px}
#mobileMenu .mm-head button{margin:0;border:1px solid var(--line);color:var(--ink-2);padding:0}

@media (max-width:820px){
  #nav,.hdr-right{display:none}
  #menuBtn{display:flex}
}

/* ========== MAIN ========== */
main{max-width:var(--maxw);margin:0 auto;padding:32px var(--gut) 80px;width:100%}
main.full-bleed{max-width:none;padding:0}
main.wide{max-width:var(--maxw-wide)}

/* ========== FOOTER ========== */
footer{
  border-top:1px solid var(--line);
  padding:18px var(--gut);
  font-family:var(--mono);font-size:.7rem;color:var(--muted);letter-spacing:.03em;
  display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;
}
.ftr-name{color:var(--ink-2)}
.ftr-sep{opacity:.6}
footer a{color:var(--ink-2);border-bottom:1px solid var(--line);padding-bottom:1px}
footer a:hover{color:var(--accent);border-bottom-color:var(--accent)}

/* ========== DOMAIN COLORS ========== */
.dom{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--mono);font-size:.65rem;text-transform:lowercase;letter-spacing:.04em;
  padding:3px 9px;border-radius:999px;
  background:color-mix(in oklab,var(--dc,var(--accent)) 14%,transparent);
  color:var(--dc,var(--accent));
}
.dom::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--dc,var(--accent))}

/* ========== WALK ========== */
.walk{
  min-height:calc(100vh - var(--hdr-h) - 80px);
  display:grid;grid-template-rows:auto 1fr auto;
  padding:24px var(--gut);
  position:relative;
  animation:walk-in .55s var(--ease-stage);
}
@keyframes walk-in{
  from{opacity:0;transform:translateY(8px)}
  to{opacity:1;transform:none}
}
@media (prefers-reduced-motion:reduce){
  .walk{animation:none}
}
.walk-meta{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-family:var(--mono);font-size:.7rem;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;
  position:relative;padding-bottom:10px;
}

/* Walk ancestry trail: three quietest of the chain that produced this tick.
   Reads top-to-bottom, oldest first. Tap to walk to that ancestor. */
.walk-trail{
  display:flex;flex-direction:column;align-items:center;gap:6px;
  max-width:1100px;margin:14px auto 0;width:100%;
  font-family:var(--mono);
}
.walk-trail-step{
  display:flex;flex-direction:column;align-items:center;gap:1px;
  text-decoration:none;color:var(--muted);
  padding:4px 10px;border-radius:8px;
  transition:color .18s,background .18s,opacity .18s;
  opacity:.62;
  max-width:min(560px,92vw);
}
.walk-trail-step .yr{font-size:.62rem;letter-spacing:.06em;color:var(--faint);font-variant-numeric:tabular-nums}
.walk-trail-step .nm{font-family:var(--serif);font-style:italic;font-size:.92rem;color:var(--ink-2);text-align:center;line-height:1.25;letter-spacing:0}
.walk-trail-step:hover{
  opacity:1;color:var(--accent);
  background:color-mix(in oklab,var(--dc,var(--accent)) 6%,transparent);
}
.walk-trail-step:hover .nm{color:var(--accent)}
.walk-trail-link{
  color:var(--faint);font-size:.7rem;line-height:1;
  opacity:.55;
}
.walk-trail-here{color:var(--ink-2);opacity:.85}

@media (max-width:560px){
  .walk-trail-step .nm{font-size:.86rem}
}
.walk-meta .zone-name{color:var(--ink-2)}
.walk-meta .pos{font-variant-numeric:tabular-nums}
/* hairline progress bar across the walk position */
.walk-meta::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--line);
}
.walk-progress{
  position:absolute;left:0;bottom:0;height:1px;
  background:var(--accent);
  transition:width .6s var(--ease-stage);
}
.walk-stage{
  display:flex;flex-direction:column;justify-content:center;align-items:flex-start;
  max-width:1100px;margin:0 auto;width:100%;padding:32px 0;gap:24px;
}
.walk-year{
  font-family:var(--serif);font-style:italic;font-weight:500;
  font-size:clamp(3rem,12vw,9rem);line-height:1.05;letter-spacing:-.045em;color:var(--ink);
  font-feature-settings:'lnum','tnum';
  /* Italic Newsreader has tall ascenders; padding + line-height ≥ 1 prevents the
     gradient mask from clipping the top of glyphs at large sizes. */
  padding:.06em 0 .04em;
  overflow:visible;
  background:linear-gradient(180deg, var(--ink) 0%, color-mix(in oklab,var(--ink) 70%,var(--bg)) 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
@supports not (background-clip:text){
  .walk-year{-webkit-text-fill-color:initial}
}
.walk-name{
  font-family:var(--serif);font-weight:500;
  font-size:clamp(1.5rem,3.4vw,2.6rem);line-height:1.1;letter-spacing:-.02em;
  color:var(--ink);max-width:22ch;
  text-wrap:balance;
}
.walk-before{
  font-family:var(--serif);font-style:italic;font-size:clamp(1.05rem,1.6vw,1.3rem);
  color:var(--ink-2);max-width:46ch;line-height:1.4;
}
.walk-before .label{font-style:normal;font-family:var(--mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);display:block;margin-bottom:6px}
.walk-detail{font-family:var(--serif);font-size:1.05rem;color:var(--ink-2);max-width:62ch;line-height:1.55;text-wrap:pretty;hyphens:auto}
/* Editorial seasoning: appears only on a hand-picked subset of foundational
   ticks. One italic sentence saying what the tick feels like in retrospect. */
.walk-note{
  font-family:var(--serif);font-style:italic;font-weight:500;
  font-size:clamp(1.05rem,1.7vw,1.25rem);line-height:1.45;
  color:var(--ink);max-width:50ch;
  padding:8px 0 8px 18px;
  border-left:2px solid var(--accent);
  margin-top:6px;
}
.walk-domain{align-self:flex-start}

.walk-flow{
  border-top:1px solid var(--line);padding-top:20px;margin-top:24px;
  display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px;
  max-width:1100px;margin-left:auto;margin-right:auto;width:100%;
}
.walk-flow-head{
  grid-column:1/-1;font-family:var(--mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:4px;
}
.walk-flow-card{
  display:flex;flex-direction:column;gap:6px;padding:12px 14px;
  border:1px solid var(--line);border-radius:10px;background:var(--paper);
  text-decoration:none;color:inherit;transition:border-color .15s,background .15s,transform .15s;
}
.walk-flow-card:hover,.walk-flow-card:focus-visible,.walk-flow-card:active{
  border-color:color-mix(in oklab,var(--dc,var(--accent)) 60%,var(--line-2));
  background:color-mix(in oklab,var(--dc,var(--accent)) 5%,var(--paper));
  transform:translateY(-1px);
  outline:none;
}
.walk-flow-card:focus-visible{box-shadow:0 0 0 3px color-mix(in oklab,var(--accent) 30%,transparent)}
.walk-flow-card .yr{font-family:var(--mono);font-size:.7rem;color:var(--muted);font-variant-numeric:tabular-nums}
.walk-flow-card .nm{font-family:var(--serif);font-weight:500;font-size:.98rem;line-height:1.3;color:var(--ink)}
.walk-flow-empty{
  grid-column:1/-1;font-family:var(--serif);font-style:italic;color:var(--muted);
  padding:8px 0;line-height:1.5;
}

.walk-controls{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  max-width:1100px;margin:0 auto;width:100%;padding:16px 0;
  border-top:1px solid var(--line);font-family:var(--mono);font-size:.78rem;color:var(--muted);
}
.walk-controls button{
  padding:8px 16px;border:1px solid var(--line-2);border-radius:999px;
  font-family:var(--mono);font-size:.78rem;color:var(--ink-2);
  transition:border-color .15s,color .15s;
}
.walk-controls button:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}
.walk-controls button:disabled{opacity:.4;cursor:not-allowed}
.walk-keys{display:flex;gap:8px}
.walk-keys kbd{font-family:var(--mono);font-size:.7rem;padding:2px 7px;background:var(--paper-2);border:1px solid var(--line);border-radius:4px;color:var(--muted)}

/* ========== HUNT (backward chain) ========== */
.hunt{padding-top:8px}
.hunt-head{margin-bottom:32px}
.hunt-head h1{font-family:var(--serif);font-weight:500;font-size:clamp(1.8rem,4.5vw,3.2rem);line-height:1.08;letter-spacing:-.02em;margin-bottom:12px;padding-top:.04em}
.hunt-head p{font-family:var(--serif);font-style:italic;color:var(--ink-2);font-size:1.1rem;max-width:none}

.hunt-search{display:flex;align-items:center;gap:10px;border:1px solid var(--line-2);border-radius:14px;background:var(--paper);padding:14px 18px;margin-bottom:32px;max-width:640px}
.hunt-search input{flex:1;border:none;outline:none;background:transparent;font-family:var(--serif);font-size:1.1rem;color:var(--ink)}
.hunt-search svg{color:var(--muted);flex:none}

.hunt-suggest{margin-bottom:48px}
.hunt-suggest-head{font-family:var(--mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:14px}
.hunt-suggest-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px;max-width:900px}
.hunt-suggest-grid button{
  text-align:left;padding:14px 16px;border:1px solid var(--line);border-radius:10px;background:var(--paper);
  display:flex;flex-direction:column;gap:6px;transition:border-color .15s,transform .15s;
}
.hunt-suggest-grid button:hover{border-color:color-mix(in oklab,var(--dc,var(--accent)) 60%,var(--line-2));transform:translateY(-1px)}
.hunt-suggest-grid .nm{font-family:var(--serif);font-weight:500;color:var(--ink)}
.hunt-suggest-grid .yr{font-family:var(--mono);font-size:.7rem;color:var(--muted)}

.hunt-chain{display:flex;flex-direction:column;gap:18px;max-width:780px}
.hunt-step{
  display:grid;grid-template-columns:120px 1fr;gap:18px;align-items:start;
  padding:16px 0;border-bottom:1px solid var(--line);position:relative;
}
.hunt-step:last-child{border-bottom:none}
.hunt-step-yr{font-family:var(--mono);font-size:.78rem;color:var(--muted);font-variant-numeric:tabular-nums;padding-top:3px;text-align:right}
.hunt-step-body{display:flex;flex-direction:column;gap:6px}
.hunt-step-name{font-family:var(--serif);font-weight:500;font-size:1.18rem;color:var(--ink);line-height:1.25;cursor:pointer}
.hunt-step-name:hover{color:var(--accent)}
.hunt-step-before{font-family:var(--serif);font-style:italic;color:var(--ink-2);font-size:.95rem}
.hunt-step-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
/* Hunt step bridge: instead of an empty "required ↓" arrow, name the
   constraint that the next step dissolves. The chain teaches itself. */
.hunt-arrow{
  display:flex;align-items:flex-start;gap:14px;
  padding-left:138px;margin:-2px 0 -2px;
  font-family:var(--serif);font-style:italic;color:var(--ink-2);
  font-size:.92rem;line-height:1.4;
}
.hunt-arrow::before{
  content:"";flex:none;width:1px;height:36px;margin-top:4px;
  background:linear-gradient(180deg,transparent,var(--line-2) 22%,var(--line-2) 78%,transparent);
  display:inline-block;
}
.hunt-arrow-rule{max-width:46ch;color:var(--ink-2)}
.hunt-arrow-rule em{color:var(--accent);font-style:italic}
.hunt-empty{font-family:var(--serif);font-style:italic;color:var(--muted);padding:32px 0}

@media (max-width:720px){
  .hunt-arrow{padding-left:0}
  .hunt-arrow::before{height:24px}
  .hunt-arrow-rule{font-size:.92rem}
}
@media (max-width:560px){
  .hunt-step{grid-template-columns:1fr;gap:4px}
  .hunt-step-yr{text-align:left}
}

/* ========== MAP ========== */
.map-page{padding:24px var(--gut) 80px}
.map-head{margin-bottom:18px}
.map-head h1{font-family:var(--serif);font-weight:500;font-size:clamp(1.5rem,3vw,2.2rem);letter-spacing:-.02em;margin-bottom:6px}
.map-head p{font-family:var(--serif);font-style:italic;color:var(--ink-2);font-size:1rem;max-width:none}
.map-stats{font-family:var(--mono);font-size:.72rem;color:var(--muted);margin-top:8px;display:flex;gap:14px;flex-wrap:wrap}
.map-stats span strong{color:var(--ink-2);font-weight:500}

.map-domains{display:flex;flex-wrap:wrap;gap:6px;margin:14px 0 8px}
.map-domains button{
  font-family:var(--mono);font-size:.7rem;padding:5px 11px;border-radius:999px;
  background:var(--paper);border:1px solid var(--line);color:var(--muted);transition:all .15s;
  text-transform:lowercase;letter-spacing:.04em;
}
.map-domains button.active{
  background:color-mix(in oklab,var(--dc,var(--accent)) 14%,transparent);
  border-color:color-mix(in oklab,var(--dc,var(--accent)) 50%,var(--line));
  color:var(--dc,var(--accent));
}
.map-domains .all{color:var(--ink-2)}
.map-domains .all.active{background:var(--ink);color:var(--bg);border-color:var(--ink)}

.map-canvas-wrap{
  position:relative;
  background:var(--paper);
  border:1px solid var(--line);border-radius:14px;
  margin-top:20px;
  overflow:hidden;
}
.map-canvas{width:100%;height:520px;display:block;cursor:grab}
.map-canvas:active{cursor:grabbing}
.map-tooltip{
  position:absolute;pointer-events:none;
  background:var(--ink);color:var(--bg);
  padding:8px 12px;border-radius:6px;
  font-family:var(--mono);font-size:.72rem;
  opacity:0;transition:opacity .15s;
  white-space:nowrap;max-width:320px;overflow:hidden;text-overflow:ellipsis;
  z-index:5;
}
.map-tooltip.show{opacity:1}
.map-eras{
  position:absolute;left:0;right:0;top:0;bottom:0;pointer-events:none;
}
.map-era-label{
  position:absolute;
  display:flex;flex-direction:column;align-items:center;justify-content:flex-start;
  font-family:var(--mono);color:var(--muted);
  padding:0 4px;line-height:1.15;text-align:center;overflow:hidden;
}
.map-era-label .nm{font-size:.66rem;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-2);white-space:nowrap;text-overflow:ellipsis;overflow:hidden;max-width:100%}
.map-era-label .rng{font-size:.55rem;color:var(--faint);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;margin-top:1px}
.map-y-labels{
  position:absolute;left:0;top:0;bottom:0;width:120px;
  display:flex;flex-direction:column;
  pointer-events:none;
}
.map-y-label{
  flex:1;display:flex;align-items:center;
  font-family:var(--mono);font-size:.7rem;color:var(--muted);
  padding-left:14px;
  border-bottom:1px dashed color-mix(in oklab,var(--line) 80%,transparent);
}
.map-y-label:last-child{border-bottom:none}

/* Marginalia ribbon below the canvas. Names what was true before the
   currently-hovered era began. Editorial, not a tooltip. */
.map-marginalia{
  margin:14px 0 6px;padding:10px 14px;
  border-left:2px solid var(--accent);
  background:color-mix(in oklab,var(--accent) 5%,transparent);
  font-family:var(--serif);font-size:1rem;color:var(--ink-2);
  display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 14px;
  min-height:42px;
  transition:background .2s var(--ease-quick);
}
.map-marginalia-hint{font-style:italic;color:var(--muted);font-size:.92rem}
.map-marginalia-era{
  font-family:var(--mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;
  color:var(--ink-2);
}
.map-marginalia-rng{font-family:var(--mono);font-size:.68rem;color:var(--faint);font-variant-numeric:tabular-nums}
.map-marginalia-rule{font-style:italic;color:var(--ink-2);font-size:1rem;line-height:1.4;flex:1 1 320px;min-width:0}
.map-help{font-family:var(--mono);font-size:.7rem;color:var(--muted);margin-top:8px}

/* ========== BROWSE ========== */
.browse-page{padding-top:8px}
.browse-head{margin-bottom:24px}
.browse-head h1{font-family:var(--serif);font-weight:500;font-size:clamp(1.8rem,4.5vw,3.2rem);line-height:1.08;letter-spacing:-.02em;margin-bottom:12px;padding-top:.04em}
.browse-head p{font-family:var(--serif);font-style:italic;color:var(--ink-2);max-width:none}

.browse-toolbar{
  display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center;
  margin:24px 0 18px;padding-bottom:16px;border-bottom:1px solid var(--line);
}
.browse-search{
  display:flex;align-items:center;gap:10px;border:1px solid var(--line-2);border-radius:10px;background:var(--paper);padding:9px 14px;max-width:520px;
}
.browse-search input{flex:1;border:none;outline:none;background:transparent;font-family:var(--serif);font-size:1rem;color:var(--ink)}
.browse-search svg{color:var(--muted)}
.browse-meta{font-family:var(--mono);font-size:.72rem;color:var(--muted);font-variant-numeric:tabular-nums}

.browse-zone{margin-bottom:48px}
.browse-zone-head{
  display:grid;grid-template-columns:auto auto auto 1fr auto;
  align-items:baseline;gap:14px;margin-bottom:16px;padding:14px 0;
  border-bottom:1px solid var(--line);
  cursor:pointer;border-radius:6px;
  min-height:48px;
}
.browse-zone-head:hover{background:color-mix(in oklab,var(--accent) 4%,transparent)}
.browse-zone-head:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.browse-zone-head .browse-chev{
  font-family:var(--mono);font-size:.8rem;color:var(--muted);width:14px;display:inline-block;text-align:center;
  transition:color .15s;
}
.browse-zone-head:hover .browse-chev{color:var(--accent)}
.browse-zone-head h2{font-family:var(--serif);font-weight:500;font-size:1.6rem;letter-spacing:-.01em}
.browse-zone-head .range{font-family:var(--mono);font-size:.72rem;color:var(--muted)}
.browse-zone-head .rule{
  font-family:var(--serif);font-style:italic;color:var(--ink-2);
  font-size:.96rem;line-height:1.35;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;
}
.browse-zone-head .ct{font-family:var(--mono);font-size:.72rem;color:var(--muted)}
.browse-zone.is-collapsed .browse-zone-body{display:none}

.browse-toolbar .browse-meta{display:flex;align-items:center;gap:14px}
.browse-toggle{
  font-family:var(--mono);font-size:.7rem;color:var(--ink-2);
  padding:6px 12px;border:1px solid var(--line-2);border-radius:999px;
  cursor:pointer;background:transparent;transition:border-color .15s,color .15s;
}
.browse-toggle:hover{border-color:var(--accent);color:var(--accent)}

@media (max-width:760px){
  .browse-zone-head{grid-template-columns:auto auto 1fr auto;gap:10px}
  .browse-zone-head .rule{display:none}
}

.browse-row{
  display:grid;grid-template-columns:90px 1fr auto;gap:18px;
  padding:12px 6px;align-items:baseline;border-bottom:1px solid var(--line);
  text-decoration:none;color:inherit;transition:padding .15s,background .15s;cursor:pointer;
}
.browse-row:hover{padding-left:14px;background:color-mix(in oklab,var(--accent) 4%,transparent)}
.browse-row .yr{font-family:var(--mono);font-size:.74rem;color:var(--muted);font-variant-numeric:tabular-nums;text-align:right}
.browse-row .body{display:flex;flex-direction:column;gap:4px;min-width:0}
.browse-row .nm{font-family:var(--serif);font-weight:500;font-size:1.04rem;line-height:1.3;color:var(--ink)}
.browse-row .be{font-family:var(--serif);font-style:italic;color:var(--ink-2);font-size:.92rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

@media (max-width:560px){
  .browse-toolbar{grid-template-columns:1fr;gap:8px}
  .browse-row{grid-template-columns:1fr;gap:4px;padding:14px 4px}
  .browse-row .yr{text-align:left;order:-1}
  .browse-row .be{white-space:normal}
}

/* ========== TICK DETAIL DIALOG ========== */
.tick-dlg{
  border:none;padding:0;background:var(--paper);color:var(--ink);
  border-radius:18px;max-width:min(720px,94vw);width:100%;
  max-height:90vh;overflow:hidden;display:flex;flex-direction:column;
  box-shadow:0 30px 80px -20px #0006;
}
.tick-dlg::backdrop{background:#0009;backdrop-filter:blur(6px)}
.tick-dlg-head{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:.72rem;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.tick-dlg-close{padding:6px 10px;border-radius:8px;color:var(--muted)}
.tick-dlg-close:hover{background:var(--paper-2);color:var(--ink)}
.tick-dlg-body{padding:24px 28px 28px;overflow-y:auto}
.tick-dlg-yr{font-family:var(--serif);font-style:italic;font-weight:500;font-size:clamp(2rem,5vw,3.4rem);line-height:1.05;color:var(--ink);margin-bottom:6px;padding-top:.04em}
.tick-dlg-name{font-family:var(--serif);font-weight:500;font-size:clamp(1.3rem,2.6vw,1.9rem);line-height:1.15;color:var(--ink);margin-bottom:14px;letter-spacing:-.01em}
.tick-dlg-before{font-family:var(--serif);font-style:italic;color:var(--ink-2);font-size:1.05rem;margin-bottom:12px}
.tick-dlg-detail{font-family:var(--serif);color:var(--ink-2);font-size:1rem;line-height:1.55;margin-bottom:18px}
.tick-dlg-links{margin-bottom:18px}
.tick-dlg-links h4{font-family:var(--mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:10px;font-weight:500}
.tick-dlg-links ul{list-style:none;display:flex;flex-direction:column;gap:6px}
.tick-dlg-links a{font-family:var(--serif);color:var(--ink);font-size:.95rem;border-bottom:1px solid var(--line);padding-bottom:1px}
.tick-dlg-links a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.tick-dlg-flow{margin-top:24px;padding-top:18px;border-top:1px solid var(--line)}
.tick-dlg-flow h4{font-family:var(--mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:10px;font-weight:500}
.tick-dlg-flow-row{display:grid;grid-template-columns:80px 1fr auto;gap:12px;align-items:baseline;padding:8px 0;border-bottom:1px dashed var(--line);font-family:var(--serif);text-decoration:none;color:inherit;cursor:pointer}
.tick-dlg-flow-row:last-child{border-bottom:none}
.tick-dlg-flow-row:hover{color:var(--accent)}
.tick-dlg-flow-row .yr{font-family:var(--mono);font-size:.7rem;color:var(--muted);text-align:right}
.tick-dlg-flow-row .nm{font-size:.96rem;line-height:1.3}

/* ========== PLAY (acceleration finale) ========== */
.play{
  min-height:calc(100vh - var(--hdr-h) - 80px);
  display:grid;grid-template-rows:auto 1fr auto auto;gap:0;
  padding:24px var(--gut);
}
.play-meta{
  display:flex;justify-content:space-between;align-items:baseline;gap:14px;
  font-family:var(--mono);font-size:.7rem;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;
  padding-bottom:10px;border-bottom:1px solid var(--line);
}
.play-counter{font-variant-numeric:tabular-nums;color:var(--ink-2)}
.play-help{opacity:.78}
@media (max-width:560px){.play-help{display:none}}
.play-stage{
  display:flex;align-items:center;justify-content:center;
  padding:32px 0;
}
.play-frame{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  text-align:center;max-width:min(900px,92vw);
  animation:play-in .35s var(--ease-stage);
}
@keyframes play-in{
  from{opacity:0;transform:translateY(8px)}
  to{opacity:1;transform:none}
}
@media (prefers-reduced-motion:reduce){.play-frame{animation:none}}
.play-dom{align-self:center}
.play-year{
  font-family:var(--serif);font-style:italic;font-weight:500;
  font-size:clamp(3rem,11vw,8rem);line-height:1.04;letter-spacing:-.045em;color:var(--ink);
  font-feature-settings:'lnum','tnum';
  padding:.04em 0;
}
.play-name{
  font-family:var(--serif);font-weight:500;
  font-size:clamp(1.5rem,3.4vw,2.6rem);line-height:1.12;letter-spacing:-.02em;
  color:var(--ink);max-width:22ch;text-wrap:balance;
}
.play-constraint{
  font-family:var(--serif);font-style:italic;
  font-size:clamp(1.05rem,1.8vw,1.35rem);
  color:var(--ink-2);max-width:46ch;line-height:1.4;
}
.play-frame{position:relative}
.play-frame.is-beat .play-year{color:var(--accent)}
.play-frame.is-beat::before{
  content:"";position:absolute;left:50%;top:-22px;
  width:48px;height:1px;transform:translateX(-50%);
  background:linear-gradient(90deg,transparent,var(--accent),transparent);
  opacity:.7;
}
.play-beat-mark{
  font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);margin-top:6px;
  padding:6px 14px;border:1px solid var(--accent);border-radius:999px;
  background:color-mix(in oklab,var(--accent) 6%,transparent);
}
.play-progress{height:1px;background:var(--line);position:relative;margin:14px 0 0}
.play-progress-fill{position:absolute;left:0;top:0;height:1px;background:var(--accent);transition:width .25s var(--ease-stage)}
.play-controls{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:14px;border-top:1px solid var(--line);margin-top:10px;
  font-family:var(--mono);font-size:.78rem;color:var(--muted);
}
.play-controls #playToggle{
  padding:8px 18px;border:1px solid var(--line-2);border-radius:999px;
  font-family:var(--mono);font-size:.78rem;color:var(--ink-2);min-height:44px;min-width:88px;
  cursor:pointer;background:transparent;
  transition:border-color .15s,color .15s;
}
.play-controls #playToggle:hover{border-color:var(--accent);color:var(--accent)}
.play-exit{
  font-family:var(--mono);font-size:.78rem;color:var(--muted);
  padding:10px 14px;min-height:44px;border-radius:999px;
}
.play-exit:hover{color:var(--accent);background:color-mix(in oklab,var(--accent) 6%,transparent)}

/* ========== ABOUT ========== */
.about{max-width:min(720px,92vw);margin:0 auto;padding:48px var(--gut) 80px}
.about h1{font-family:var(--serif);font-weight:500;font-size:clamp(2rem,5vw,3.4rem);letter-spacing:-.02em;line-height:1.08;margin-bottom:24px;padding-top:.04em}
.about .lede{font-family:var(--serif);font-style:italic;font-size:1.3rem;color:var(--ink-2);line-height:1.45;margin-bottom:36px;max-width:48ch}
/* Drop cap on the lede's first letter. Italic Newsreader leans naturally
   into the line of body text. Hairline on the right hand-tunes the reveal. */
.about .lede::first-letter{
  font-family:var(--serif);font-style:italic;font-weight:600;
  font-size:3.6em;line-height:.86;
  float:left;margin:.04em .12em -.06em 0;
  color:var(--ink);
  letter-spacing:-.04em;
}
.about p{font-family:var(--serif);font-size:1.08rem;color:var(--ink-2);line-height:1.65;margin-bottom:18px;max-width:65ch}
.about h2{
  font-family:var(--serif);font-weight:500;font-size:1.4rem;letter-spacing:.02em;
  margin:36px 0 12px;color:var(--ink);
  font-variant-caps:all-small-caps;
}
.about .modes{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;margin:18px 0}
.about .mode-tile{padding:14px 16px;border:1px solid var(--line);border-radius:10px;background:var(--paper);text-decoration:none;color:inherit}
.about .mode-tile:hover{border-color:var(--accent)}
.about .mode-tile h3{font-family:var(--serif);font-weight:500;font-size:1.1rem;margin-bottom:4px;color:var(--ink)}
.about .mode-tile p{font-family:var(--serif);font-style:italic;font-size:.92rem;color:var(--ink-2);margin:0}
.about .credit{font-family:var(--mono);font-size:.78rem;color:var(--muted);margin-top:48px;padding-top:18px;border-top:1px solid var(--line)}
.about .cite{
  font-family:var(--mono);font-size:.82rem;
  background:var(--paper-2);border:1px solid var(--line);border-radius:8px;
  padding:14px 16px;margin:6px 0 10px;overflow-x:auto;
  color:var(--ink-2);
}
.about .cite code{font-family:inherit;background:transparent;padding:0;color:inherit;white-space:pre-wrap;word-break:break-word}
.cite-copy{
  font-family:var(--mono);font-size:.74rem;color:var(--ink-2);
  padding:7px 14px;border:1px solid var(--line-2);border-radius:999px;
  background:transparent;cursor:pointer;
  transition:border-color .15s,color .15s,background .15s;
}
.cite-copy:hover{border-color:var(--accent);color:var(--accent);background:color-mix(in oklab,var(--accent) 4%,transparent)}
.about-list{list-style:none;padding:0;margin:8px 0 18px;display:flex;flex-direction:column;gap:8px}
.about-list li{
  font-family:var(--serif);font-size:1rem;color:var(--ink-2);line-height:1.5;
  padding-left:14px;border-left:1px dashed var(--line-2);
}
.about-list a{color:var(--ink);border-bottom:1px solid var(--line-2);padding-bottom:1px}
.about-list a:hover{color:var(--accent);border-bottom-color:var(--accent)}

/* ========== HOME (intro page) — single-viewport on standard desktop ========== */
.home{padding:0}
.home-hero{
  display:grid;grid-template-rows:auto auto auto;gap:0;
  padding:14px var(--gut) 14px;max-width:1200px;margin:0 auto;
}
.home-thesis{padding:6px 0 12px}
.home-thesis .eyebrow{font-family:var(--mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin-bottom:8px}
.home-thesis h1{
  font-family:var(--serif);font-weight:500;
  font-size:clamp(1.9rem,4.4vw,3.4rem);line-height:1.08;letter-spacing:-.022em;
  color:var(--ink);max-width:24ch;
  padding-top:.02em;
  text-wrap:balance;
}
/* The em is the moment in the headline that wears brand color. We use a thin
   underline (text-decoration) instead of a gradient highlight so multi-line
   wraps don't become a row of pastel boxes. */
.home-thesis h1 em{
  font-style:italic;color:var(--accent);font-weight:500;
  text-decoration:underline;
  text-decoration-thickness:.06em;
  text-decoration-color:color-mix(in oklab,var(--accent) 32%,transparent);
  text-underline-offset:.08em;
}
.home-sub{font-family:var(--serif);font-style:italic;font-size:clamp(1rem,1.4vw,1.14rem);color:var(--ink-2);max-width:54ch;margin-top:8px;line-height:1.4}

.home-show{
  display:grid;grid-template-columns:1.05fr 1fr;gap:32px;align-items:center;
  padding:10px 0;
}
.home-show-tick{display:flex;flex-direction:column;gap:6px}
.home-show-tick .dom{align-self:flex-start;margin-bottom:2px}
.home-show-tick .yr{font-family:var(--serif);font-style:italic;font-size:clamp(2rem,4.4vw,3.4rem);line-height:1.05;color:var(--ink);font-weight:500;font-feature-settings:'lnum';padding:.04em 0;overflow:visible;white-space:nowrap}
.home-show-tick .nm{font-family:var(--serif);font-weight:500;font-size:clamp(1.1rem,1.6vw,1.4rem);line-height:1.15;color:var(--ink);max-width:24ch}
.home-show-tick .be{font-family:var(--serif);font-style:italic;color:var(--ink-2);font-size:.94rem;max-width:42ch;line-height:1.4}
.home-show-flow{display:flex;flex-direction:column;gap:4px;border-left:2px solid var(--line);padding-left:18px}
.home-show-flow .label{font-family:var(--mono);font-size:.62rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:2px}
.home-show-flow .row{display:flex;justify-content:space-between;gap:14px;padding:4px 0;font-family:var(--serif);font-size:.92rem;color:var(--ink-2);border-bottom:1px dashed var(--line);cursor:pointer;line-height:1.3}
.home-show-flow .row:last-child{border-bottom:none}
.home-show-flow .row:hover{color:var(--accent)}
.home-show-flow .row .y{font-family:var(--mono);font-size:.64rem;color:var(--muted)}

.home-cta{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:12px 0 2px;border-top:1px solid var(--line);
  flex-wrap:wrap;
}
.home-cta-buttons{display:flex;gap:8px;flex:1 1 auto;min-width:0;flex-wrap:nowrap}
.home-cta-buttons a{
  padding:10px 16px;border-radius:999px;font-family:var(--sans);font-size:.84rem;font-weight:500;
  background:var(--ink);color:var(--bg);min-height:38px;
  display:inline-flex;align-items:center;white-space:nowrap;
  transition:transform .18s var(--ease-quick),box-shadow .18s var(--ease-quick),background .18s;
  box-shadow:0 1px 0 0 color-mix(in oklab,var(--ink) 90%,#000), 0 6px 16px -8px color-mix(in oklab,var(--ink) 50%,transparent);
}
.home-cta-buttons a:hover{transform:translateY(-1.5px);box-shadow:0 1px 0 0 color-mix(in oklab,var(--ink) 90%,#000), 0 12px 24px -10px color-mix(in oklab,var(--ink) 60%,transparent)}
.home-cta-buttons a:active{transform:translateY(0)}
.home-cta-buttons a.secondary{background:transparent;color:var(--ink);border:1px solid var(--line-2);box-shadow:none}
.home-cta-buttons a.secondary:hover{border-color:var(--ink);background:var(--paper-2);box-shadow:none}
.home-counter{
  font-family:var(--mono);font-size:.72rem;color:var(--muted);
  display:flex;gap:14px;flex-wrap:wrap;align-items:baseline;flex:0 0 auto;
}
.home-counter strong{color:var(--ink);font-weight:500;font-variant-numeric:tabular-nums}

@media (max-width:980px){
  .home-cta-buttons{flex-wrap:wrap}
}
@media (max-width:760px){
  .home-hero{padding:24px var(--gut) 32px}
  .home-thesis{padding:8px 0 14px}
  .home-thesis h1{font-size:clamp(2rem,8vw,2.6rem);max-width:none}
  .home-show{grid-template-columns:1fr;gap:18px;padding:18px 0}
  .home-show-flow{border-left:none;padding-left:0;border-top:2px solid var(--line);padding-top:14px}
  .home-cta{padding:18px 0 8px}
}

/* Reduced motion */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

/* ========== ACCESSIBILITY POLISH (kbd / mouse / touch parity) ========== */

/* Strong focus ring on interactive elements only. Skipping <main>: it gets
   programmatic focus on every route change to anchor screen readers, and the
   user has no expectation of a ring around the entire content column. */
button:focus-visible,
a:focus-visible,
[role="button"]:focus-visible,
[role="menuitem"]:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
canvas:focus-visible,
[tabindex="0"]:focus-visible,
summary:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
  border-radius:4px;
}
input:focus-visible,textarea:focus-visible,select:focus-visible{outline-offset:2px}
main:focus,main:focus-visible{outline:none}

/* Walk source links wrap on narrow viewports */
.walk-links{display:flex;flex-wrap:wrap;gap:14px;row-gap:8px;margin-top:8px}
.walk-links a{
  font-family:var(--mono);font-size:.78rem;color:var(--muted);
  border-bottom:1px solid var(--line);padding:4px 0;
  transition:color .15s,border-color .15s;
}
.walk-links a:hover{color:var(--accent);border-bottom-color:var(--accent)}

/* Walk actions (share + suggest edit) */
.walk-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:8px}
.walk-action{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--mono);font-size:.76rem;color:var(--faint);
  padding:10px 4px;min-height:44px;min-width:44px;
  background:transparent;border:0;cursor:pointer;text-decoration:none;
  border-radius:6px;
  transition:color .15s,background .15s;
}
.walk-action:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.walk-action:hover{background:color-mix(in oklab,var(--accent) 4%,transparent)}
.walk-action:hover{color:var(--accent)}
.walk-action svg{opacity:.8}

/* Toast — copies the ab-codex idiom: bottom-center, monospace, brief, accessible */
#toast{
  position:fixed;left:50%;bottom:28px;transform:translate(-50%,12px);
  background:var(--ink);color:var(--bg);
  padding:10px 16px;border-radius:8px;
  font-family:var(--mono);font-size:.74rem;letter-spacing:.04em;
  box-shadow:0 12px 32px -10px color-mix(in oklab,var(--ink) 60%,transparent);
  opacity:0;pointer-events:none;z-index:200;
  transition:opacity .18s var(--ease-quick),transform .22s var(--ease-stage);
}
#toast[data-show="true"]{opacity:1;transform:translate(-50%,0)}
#toast[data-error="true"]{background:#9A2226;color:#fff}

/* Skip link — first focusable element, visible only when focused */
.skip-link{
  position:fixed;left:8px;top:-40px;z-index:300;
  background:var(--ink);color:var(--bg);
  padding:8px 14px;border-radius:8px;
  font-family:var(--mono);font-size:.78rem;letter-spacing:.04em;
  transition:top .15s var(--ease-quick);
}
.skip-link:focus-visible{top:8px;outline:2px solid var(--accent);outline-offset:2px}

/* Share menu — anchored to the share button on walk view */
#shareMenu{
  position:absolute;z-index:120;min-width:200px;
  display:flex;flex-direction:column;gap:2px;
  padding:6px;background:var(--paper);border:1px solid var(--line);
  border-radius:10px;
  box-shadow:0 16px 40px -12px color-mix(in oklab,var(--ink) 28%,transparent);
}
#shareMenu[hidden]{display:none}
.share-opt{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 12px;min-height:40px;border-radius:6px;
  font-family:var(--mono);font-size:.76rem;color:var(--ink-2);
  background:transparent;border:0;cursor:pointer;text-align:left;
  transition:background .12s,color .12s;
}
.share-opt:hover,.share-opt:focus-visible{
  background:color-mix(in oklab,var(--accent) 8%,var(--paper-2));
  color:var(--accent-2,var(--accent));
  outline:none;
}
.share-opt[hidden]{display:none}

/* Keyboard help dialog */
#kbdHelp{
  position:fixed;inset:0;z-index:130;
  display:flex;align-items:center;justify-content:center;
  background:color-mix(in oklab,var(--ink) 32%,transparent);
  backdrop-filter:blur(4px);
  padding:24px;
}
#kbdHelp[hidden]{display:none}
.kbd-card{
  background:var(--paper);border:1px solid var(--line);
  border-radius:14px;padding:22px 24px;max-width:440px;width:100%;
  box-shadow:0 24px 64px -20px color-mix(in oklab,var(--ink) 40%,transparent);
}
.kbd-head{
  display:flex;align-items:center;justify-content:space-between;
  font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;
  color:var(--muted);margin-bottom:14px;
}
.kbd-close{
  font-family:var(--mono);font-size:.7rem;color:var(--muted);
  padding:4px 8px;border:1px solid var(--line);border-radius:6px;
  cursor:pointer;background:transparent;
}
.kbd-close:hover{color:var(--ink);border-color:var(--line-2)}
.kbd-list{display:grid;grid-template-columns:auto 1fr;gap:8px 18px;font-family:var(--serif);font-size:.95rem;color:var(--ink-2)}
.kbd-list dt{display:flex;gap:4px;align-items:center}
.kbd-list dd{margin:0;padding-top:1px}
.kbd-list kbd{
  font-family:var(--mono);font-size:.7rem;
  padding:2px 7px;background:var(--paper-2);
  border:1px solid var(--line);border-radius:4px;color:var(--muted);
}
.kbd-foot{
  margin-top:14px;padding-top:14px;border-top:1px solid var(--line);
  font-family:var(--serif);font-size:.88rem;color:var(--muted);
}
.kbd-foot kbd{font-family:var(--mono);font-size:.7rem;padding:1px 5px;background:var(--paper-2);border:1px solid var(--line);border-radius:3px;margin:0 1px}
.kbd-foot code{font-family:var(--mono);font-size:.78rem;background:var(--paper-2);padding:1px 5px;border-radius:3px}

/* Walk-controls — stack on narrow, hide kbd hints on coarse pointers */
@media (max-width:720px){
  .walk-controls{
    flex-wrap:wrap;
    justify-content:space-between;
    gap:8px;padding:14px 0;
  }
  .walk-controls button{padding:10px 16px;min-height:44px;flex:1;max-width:48%;text-align:center}
  .walk-keys{display:none}
}
@media (pointer:coarse){
  .walk-keys{display:none}
}

/* Mobile-stack walk-flow at narrow */
@media (max-width:520px){
  .walk-flow{grid-template-columns:1fr}
  .walk-flow-card{min-height:64px;padding:14px 16px}
}

/* Suggest-an-edit link: bigger touch target */
.walk-stage > a[style*="color:var(--faint)"],
a[href*="issues/new"]{
  display:inline-block;
  min-height:44px;
  padding:12px 8px;
  font-size:.78rem !important;
  line-height:1.6;
}

/* Mobile menu — close button + theme toggle inside */
.mm-head{
  position:absolute;top:14px;right:14px;
  display:flex;gap:8px;align-items:center;
}
.mm-close,.mm-theme{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  border-radius:10px;color:var(--ink-2);background:transparent;
}
.mm-close:hover,.mm-theme:hover{background:var(--paper-2);color:var(--ink)}

/* Map mobile — 13 eras × 14 domains in a 375-wide viewport collapses into a
   thin column of clustered dots. Pin domain labels on the left and let the
   canvas + era ribbon scroll horizontally so density still reads. */
@media (max-width:720px){
  .map-canvas-wrap{display:flex;align-items:stretch;overflow:hidden;border-radius:14px;background:var(--paper)}
  .map-y-labels{
    position:sticky;left:0;top:0;
    width:96px;flex:none;height:480px;
    background:var(--paper);
    z-index:2;border-right:1px solid var(--line);
  }
  .map-y-label{padding-left:12px;font-size:.66rem}
  .map-mobile-scroller{
    flex:1;overflow-x:auto;overflow-y:hidden;position:relative;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:thin;scrollbar-color:var(--line-2) transparent;
  }
  .map-mobile-scroller::-webkit-scrollbar{height:6px}
  .map-mobile-scroller::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:999px}
  .map-canvas{height:480px;display:block}
  .map-mobile-scroller .map-eras{position:absolute;left:0;right:0;top:0;height:60px;pointer-events:none}
  .map-mobile-scroller .map-tooltip{position:absolute}
  .map-eras .map-era-label{
    writing-mode:vertical-rl;
    transform:rotate(180deg);
    height:60px !important;
    top:0 !important;
    background:linear-gradient(180deg,var(--paper) 80%,transparent);
    padding-bottom:6px;
  }
  .map-eras .map-era-label .nm{font-size:.58rem;letter-spacing:.04em;color:var(--muted)}
  .map-eras .map-era-label .rng{display:none}
  .map-help::before{content:"swipe the timeline → "}
}

/* Map: dim domain filter pills clearly so the active state pops */
.map-domains button{transition:all .18s var(--ease-quick)}

/* Browse: empty search state */
.browse-empty{
  font-family:var(--serif);font-style:italic;color:var(--muted);
  padding:32px 0;line-height:1.5;text-align:center;
  border-top:1px dashed var(--line);
}
.browse-empty strong{color:var(--ink-2);font-style:normal}

/* Loading state — a quiet skeleton while data.json (~3MB) streams in. The
   text is intentionally apologetic and brief; nothing renders behind it. */
.boot-load{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-height:60vh;padding:48px var(--gut);gap:14px;
  font-family:var(--serif);color:var(--muted);
  animation:boot-fade .25s var(--ease-quick) .35s both;
}
@keyframes boot-fade{from{opacity:0}to{opacity:1}}
.boot-load .boot-mark{
  width:24px;height:24px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%, var(--accent) 0%, var(--accent-2) 60%, transparent 75%);
  animation:boot-pulse 1.6s ease-in-out infinite;
}
@keyframes boot-pulse{0%,100%{transform:scale(.85);opacity:.7}50%{transform:scale(1.1);opacity:1}}
.boot-load .boot-text{font-style:italic;font-size:1rem;color:var(--ink-2)}
.boot-load .boot-hint{font-family:var(--mono);font-size:.7rem;letter-spacing:.06em;color:var(--faint);text-transform:uppercase}
@media (prefers-reduced-motion:reduce){
  .boot-load,.boot-load .boot-mark{animation:none}
}

/* Print: hide chrome, keep content readable on paper. Nobody'll print 2,648
   ticks but a single walk page should print sane. */
@media print{
  *,*::before,*::after{
    background:#fff !important;color:#000 !important;
    box-shadow:none !important;
    text-shadow:none !important;
    -webkit-text-fill-color:initial !important;
  }
  body::before{display:none}
  #hdr,footer,.walk-controls,.walk-actions,.walk-trail,.map-page,.browse-toolbar,
  #shareMenu,#kbdHelp,#mobileMenu,#mobileBackdrop,#toast,.skip-link,.home-cta-buttons{
    display:none !important;
  }
  main{max-width:none;padding:0}
  .walk-year,.walk-name{break-inside:avoid}
  .walk-flow{break-before:auto}
  a[href^="http"]::after{content:" (" attr(href) ")";font-family:monospace;font-size:.7em;color:#555}
  a[href^="#"]::after{content:""}
}

/* Footer separators wrap gracefully on narrow */
@media (max-width:520px){
  footer{gap:6px;font-size:.66rem}
  .ftr-sep{display:none}
}

/* Hairline for keyboard help dialog */
#kbdHelp{outline:none}
#kbdHelp .kbd-card{outline:1px solid var(--line);outline-offset:0}

/* Better contrast on the brand-mark in dark mode */
:root[data-theme="dark"] .brand-mark{
  box-shadow:0 0 0 3px color-mix(in oklab,var(--accent) 22%,transparent);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .brand-mark{
    box-shadow:0 0 0 3px color-mix(in oklab,var(--accent) 22%,transparent);
  }
}

/* The walk year and home year shouldn't break across "1928" / "AD" */
.walk-year,.play-year,.home-show-tick .yr,.tick-dlg-yr,
.home-show-flow .row .y,.walk-trail-step .yr,
.browse-row .yr,.hunt-step-yr,.walk-flow-card .yr{
  white-space:nowrap;
}

/* Walk-flow card: clearer active state on mobile (no hover) */
@media (hover:none){
  .walk-flow-card:active,.hunt-suggest-grid button:active{
    transform:scale(.98);
    background:color-mix(in oklab,var(--dc,var(--accent)) 8%,var(--paper));
  }
}

/* Map canvas keyboard focus ring */
.map-canvas:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
}

/* Browse rows: ≥44px touch target */
.browse-row{min-height:48px}

/* Hunt suggest tiles: ≥44px */
.hunt-suggest-grid button{min-height:64px;padding:14px 16px}

/* Header buttons: ≥44px touch */
#randomBtn,#randomBtnMobile,#themeBtn,#menuBtn{min-height:38px}
@media (max-width:720px){
  #menuBtn{width:44px;height:44px}
}

/* Home CTA buttons: ≥44px */
.home-cta-buttons a{min-height:44px;display:inline-flex;align-items:center}

/* Home sub: second sentence inline on mobile, blocks below on tablet+ */
.home-sub-2{margin-left:.4em}
@media (min-width:768px){
  .home-sub-2{display:block;margin-left:0;margin-top:.25em}
}