/* Page styles — palette tokens come from park.css */
:root{
  --sans:'Plus Jakarta Sans',system-ui,-apple-system,sans-serif;
  --mono:'Martian Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --c-app:#C44928; --c-game:#4A7093; --c-event:#CA7549;
  --c-exploration:#3F6B5C; --c-visualization:#AE8449;
  --sky:#E8D7C8; --field:#FFFDFD;
  --hair:#1414141f; --hair2:#14141440; --dim:#141414a6;
}
[data-theme="dark"]{
  --c-app:#E4674A; --c-game:#79A3C9; --c-event:#E19464;
  --c-exploration:#6FA48F; --c-visualization:#D2A567;
  --sky:#141A22; --field:#111820;
  --hair:#C9D2DA26; --hair2:#C9D2DA47; --dim:#C9D2DAa6;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
img,svg{max-width:100%}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);
  font-family:var(--sans);
  font-size:13.5px;line-height:1.55;-webkit-font-smoothing:antialiased;
  transition:background .5s ease,color .5s ease}
a{color:inherit}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}


.frame{padding:24px}
@media(max-width:720px){.frame{padding:16px}}

.sheet{position:relative;padding:clamp(18px,3vw,44px)}
/* the drafting underlay is drawn by JS with the same wobble as the park,
   and deliberately stops before the index so it never sits under body text */
.zone{position:relative}
.zone > *{position:relative;z-index:1}
.gridsvg{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;overflow:visible}
.gridsvg path{stroke:var(--hair);fill:none;stroke-width:1;vector-effect:non-scaling-stroke}
.reg{position:absolute;width:13px;height:13px;pointer-events:none}
.reg::before,.reg::after{content:"";position:absolute;background:currentColor;opacity:.75}
.reg::before{left:50%;top:0;bottom:0;width:1px}
.reg::after{top:50%;left:0;right:0;height:1px}
.reg.tl{left:-7px;top:-7px}.reg.tr{right:-7px;top:-7px}
.reg.bl{left:-7px;bottom:-7px}.reg.br{right:-7px;bottom:-7px}

/* hero */
.hero{position:relative;padding-bottom:clamp(22px,3vw,40px);
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,auto);gap:clamp(20px,4vw,56px);align-items:end}
@media(max-width:940px){.hero{grid-template-columns:1fr;align-items:start}}
.viz{align-self:end;padding-bottom:4px;position:relative;padding-top:1.7em}
.viz svg{display:block;width:100%;max-width:620px;height:auto;overflow:visible}
.viz .dot{fill:var(--ink);transition:opacity .2s}
.viz svg.filtered .dot{opacity:.16}
.viz svg.filtered .dot.on{opacity:1}
.viz .now{fill:none;stroke:var(--rust);stroke-width:1.4;stroke-dasharray:2.5 2.5}
.viz .gap{fill:var(--dim);opacity:.35}
.viz .base{stroke:var(--hair2);stroke-width:1}
.viz .lab{fill:var(--dim);font-size:8.5px;letter-spacing:.06em;font-family:inherit}
.viz .yr{fill:var(--ink);font-size:8.5px;letter-spacing:.1em;font-family:inherit}
.viz .hit{fill:transparent;cursor:crosshair}
.viz-read{position:absolute;top:0;left:0;right:0;height:1.3em;line-height:1.3em;font-size:10px;letter-spacing:.1em;color:var(--rust);text-align:right;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;pointer-events:none}
@media(max-width:940px){.viz-read{text-align:left}}
.eyebrow{font-size:10px;letter-spacing:.22em;color:var(--dim)}
.eyebrow::first-letter{color:var(--rust)}
h1{font-size:clamp(30px,5.4vw,62px);font-weight:600;letter-spacing:-.035em;line-height:1;
  margin-top:16px;text-wrap:balance}
.lede{margin-top:16px;max-width:58ch;color:var(--dim);line-height:1.6}
.lede a{text-decoration:underline;text-underline-offset:3px}
.herolinks{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px 22px;font-size:12.5px}
.herolinks a{text-decoration:none;border-bottom:1px solid var(--hair2);padding-bottom:2px;
  color:var(--ink);transition:border-color .15s,color .15s}
.herolinks a:hover{color:var(--rust);border-bottom-color:currentColor}
.herolinks .ext{font-size:10px;margin-left:5px;opacity:.55;vertical-align:1px}

/* multi-line tooltips on the hero links. Unlike the filter tooltips these wrap:
   max-width + white-space:normal is what gives them their line breaks, so the
   copy can be a sentence rather than a label. */
.herolinks a[data-tip]{position:relative}
.herolinks a[data-tip]::after{content:attr(data-tip);position:absolute;left:0;top:calc(100% + 9px);
  width:max-content;max-width:236px;white-space:normal;text-align:left;
  font-family:var(--mono);font-size:9px;letter-spacing:.06em;line-height:1.55;
  color:var(--paper);background:var(--ink);padding:8px 10px;border-radius:2px;
  opacity:0;pointer-events:none;transition:opacity .14s;z-index:9}
.herolinks a[data-tip]:hover::after,
.herolinks a[data-tip]:focus-visible::after{opacity:1}
/* the second link sits near the right edge on narrow screens — pin it to the right */
@media(max-width:560px){ .herolinks a[data-tip]:last-child::after{left:auto;right:0;text-align:right} }

h2.sec{font-size:10px;letter-spacing:.22em;font-weight:400;color:var(--dim);
  margin:clamp(30px,4vw,54px) 0 12px;padding-top:14px}

/* highlight grid */
.hl{display:grid;grid-template-columns:repeat(3,1fr);background:var(--field);position:relative}
@media(max-width:900px){.hl{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.hl{grid-template-columns:1fr}}
.cell{position:relative;display:flex;flex-direction:column;padding:16px;text-decoration:none;color:inherit;min-width:0;overflow:hidden}
.cell .no{font-size:19px;letter-spacing:.02em}
.cell .art{display:block;margin:14px 0;aspect-ratio:16/10;overflow:hidden;position:relative;min-width:0;max-width:100%;
  background:var(--sky);outline:1px solid var(--hair)}
.cell .art img{width:100%;height:100%;max-width:none;object-fit:cover;object-position:top center;display:block;
  /* stand-in for the illustration layer until the real ones exist */
  filter:grayscale(1) contrast(1.35) sepia(.42) saturate(.7) brightness(1.04);
  transition:filter .45s cubic-bezier(.2,.8,.2,1), transform .6s cubic-bezier(.2,.8,.2,1)}
.cell:hover .art img,.cell:focus-visible .art img{filter:none;transform:scale(1.02)}
.cell:focus-visible{outline:2px solid var(--rust);outline-offset:-2px}
.cell .cn{font-size:14px;letter-spacing:.06em}
.cell .ck{font-size:9.5px;letter-spacing:.16em;color:var(--dim);margin-top:4px}
.cell .cd{font-size:12px;color:var(--dim);margin-top:9px;line-height:1.5}

/* filters */
.idxhead{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  margin:clamp(30px,4vw,54px) 0 16px;padding-top:14px}
/* symbols read on the left, the section title on the right — done with order so
   the heading still comes first in the DOM for anything reading the page */
.idxhead .sec{margin:0;padding:0;order:2}
.idxhead .filters{order:1}
.filters{display:flex;flex-wrap:wrap;gap:11px;margin:0;align-items:center}
.filters button{font:inherit;padding:0;cursor:pointer;background:none;color:var(--dim);
  border:0;line-height:0;transition:color .15s;display:block}
.filters button svg{display:block;overflow:visible;pointer-events:none}
.filters button{position:relative}
/* line-height must be reset here: the button sets line-height:0 to kill the
   inline gap under its svg, and the tooltip inherits it, collapsing the text
   box to zero height so the vertical padding has nothing to sit around */
.filters button::after{content:attr(aria-label);position:absolute;left:50%;top:calc(100% + 10px);
  transform:translateX(-50%);white-space:nowrap;font-size:8.5px;letter-spacing:.12em;
  line-height:1.35;color:var(--paper);background:var(--ink);padding:6px 10px;border-radius:2px;
  opacity:0;pointer-events:none;transition:opacity .14s;z-index:9}
.filters button:hover::after,.filters button:focus-visible::after{opacity:1}
.filters button .dot{fill:currentColor}
.filters button:hover{color:var(--ink)}
.filters button[aria-checked="true"]{color:var(--rust)}
.filters button:focus-visible{outline:2px solid var(--rust);outline-offset:1px}

/* index rows */
.mo{margin-bottom:26px}
.mo h3{display:flex;align-items:baseline;gap:12px;font-size:11px;font-weight:400;
  letter-spacing:.18em;color:var(--dim);padding-bottom:8px;
  text-transform:uppercase}
.mo h3 b{font-weight:400;font-size:10px;opacity:.7}
/* the trailing rule is drawn as a wobbly path into the sheet overlay (see
   drawRules in playground.js); this is only the gap it gets measured from */
.mo h3 .rulegap{flex:1;height:1px;align-self:center}
.rows{list-style:none;position:relative}
/* author display rules outrank the UA sheet's [hidden]{display:none}, so the
   filter's r.hidden=true was being ignored on .row (display:grid) */
[hidden]{display:none !important}
.row{display:grid;grid-template-columns:12px 218px 1fr 200px;gap:0 14px;align-items:baseline;
  padding:11px 8px;margin:0 -8px;transition:background .15s}
.row:hover{background:var(--sky)}
@media(max-width:860px){.row{grid-template-columns:12px 1fr;gap:2px 10px}
  .rd,.rt{grid-column:2}}
.rbullet{align-self:baseline;margin-bottom:-1.5px;overflow:visible}
.rbullet .dot{fill:var(--dim)}
.row:hover .rbullet .dot{fill:var(--rust)}
.rn{font-size:13.5px}
.rn a{text-decoration:none;border-bottom:1px solid transparent}
.rn a:hover{border-bottom-color:currentColor;color:var(--rust)}
.st{font-style:normal;font-size:8.5px;letter-spacing:.12em;border:1px solid currentColor;
  padding:1px 4px;margin-left:7px;vertical-align:middle;white-space:nowrap}
.st.wip{color:var(--rust)} .st.dead{color:var(--dim);text-decoration:line-through}
.rd{font-size:12px;color:var(--dim);line-height:1.5;text-wrap:pretty}
.rt{display:flex;flex-wrap:wrap;gap:4px}
.rt i{font-style:normal;font-size:9px;letter-spacing:.1em;color:var(--dim);
  border:1px solid var(--hair2);padding:2px 5px}

/* footer */
footer{margin-top:clamp(40px,6vw,90px);position:relative}
.foot-meta{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:14px 24px 26px;font-size:10.5px;letter-spacing:.12em;color:var(--dim);align-items:center;
  border-top:1px solid var(--hair2)}
.fm-left{display:flex;align-items:center;gap:11px}
.themebtn{width:15px;height:15px;flex:none;border:1px solid currentColor;background:none;cursor:pointer;
  border-radius:50%;padding:0;position:relative;overflow:hidden;color:inherit}
.themebtn::after{content:"";position:absolute;inset:0 50% 0 0;background:currentColor}
.themebtn:hover{color:var(--ink)}
.themebtn:focus-visible{outline:2px solid var(--rust);outline-offset:2px}
.foot-meta a{text-decoration:none;border-bottom:1px solid currentColor;padding-bottom:1px}
.foot-meta a:hover{color:var(--ink)}

/* every rule on the page is drawn by hand, in one overlay */
.rules{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:0;overflow:visible}
.rules path{stroke:var(--hair2);fill:none;stroke-width:1;vector-effect:non-scaling-stroke}
.rules path.faint{stroke:var(--hair)}
.sheet > *{position:relative;z-index:1}
.sheet > .rules,.hl > .rules{position:absolute;inset:0;z-index:0}
.hl > .rules{z-index:2}
.hl{isolation:isolate}
.hl .cell{z-index:1}

/* themed surfaces change in step with the body, not behind it */
.hl,.cell .art,.sheet{transition:background .5s ease}

/* Martian Mono is a wide face — small sizes and reduced tracking keep it in its lane */
.sec,.filters button,.mo h3,.rt i,.st,.foot-meta,.viz-read,.herolinks .ext,
.viz .lab,.viz .yr,.cell .ck{font-family:var(--mono)}
.sec{font-size:9px;letter-spacing:.14em}
.mo h3{font-size:9.5px;letter-spacing:.12em}
.rt i{font-size:8px;letter-spacing:.02em;padding:2px 5px}
.st{font-size:7.5px;letter-spacing:.04em}
.cell .ck{font-size:8px;letter-spacing:.1em}
.foot-meta{font-size:9px;letter-spacing:.08em}
.viz-read{font-size:9px;letter-spacing:.04em}
.cell .cn{font-family:var(--sans);font-weight:500;font-size:15px;letter-spacing:-.01em}
.cell .cd{font-family:var(--sans);font-size:12.5px}
.rn{font-family:var(--sans);font-weight:500;font-size:14px;letter-spacing:-.005em}
.rd{font-family:var(--sans);font-size:12.5px}
.lede{font-family:var(--sans)}
.herolinks a{font-family:var(--sans);font-weight:500}

/* ---- colour as encoding: each kind carries a park colour, in every place
        the page already speaks in shapes (map, row bullets, filters) ---- */
.viz .dot[data-cat="app"],.filters button[data-f="app"] .dot,.row[data-cat="app"] .rbullet .dot{fill:var(--c-app)}
.viz .dot[data-cat="game"],.filters button[data-f="game"] .dot,.row[data-cat="game"] .rbullet .dot{fill:var(--c-game)}
.viz .dot[data-cat="event"],.filters button[data-f="event"] .dot,.row[data-cat="event"] .rbullet .dot{fill:var(--c-event)}
.viz .dot[data-cat="exploration"],.filters button[data-f="exploration"] .dot,.row[data-cat="exploration"] .rbullet .dot{fill:var(--c-exploration)}
.viz .dot[data-cat="visualization"],.filters button[data-f="visualization"] .dot,.row[data-cat="visualization"] .rbullet .dot{fill:var(--c-visualization)}
.row:hover .rbullet .dot{fill:inherit}
.filters button{color:var(--dim)}
.filters button[aria-checked="true"]{color:inherit}

/* highlight cells take a whisper of their kind's colour behind the image */
.cell[data-cat="app"] .art{background:color-mix(in srgb,var(--c-app) 12%,var(--sky))}
.cell[data-cat="game"] .art{background:color-mix(in srgb,var(--c-game) 12%,var(--sky))}
.cell[data-cat="event"] .art{background:color-mix(in srgb,var(--c-event) 12%,var(--sky))}
.cell[data-cat="exploration"] .art{background:color-mix(in srgb,var(--c-exploration) 12%,var(--sky))}
.cell[data-cat="visualization"] .art{background:color-mix(in srgb,var(--c-visualization) 12%,var(--sky))}
.cell .ck{color:var(--dim)}
.cell[data-cat="app"] .ck{color:var(--c-app)}
.cell[data-cat="game"] .ck{color:var(--c-game)}
.cell[data-cat="event"] .ck{color:var(--c-event)}
.cell[data-cat="exploration"] .ck{color:var(--c-exploration)}
.cell[data-cat="visualization"] .ck{color:var(--c-visualization)}