/* Dragon STEM Games - shared stylesheet for the pages build_site.py authors (home, index pages, progress,
   design doc, placeholders, 404). The copied dragon, game and test pages keep their own styles.
   Tokens and type follow the Aethera Dragon Vault hub page. */
:root{
  --ground:#EEF1F6; --panel:#FFFFFF; --panel-2:#F6F8FB; --ink:#15253B; --muted:#56667C; --line:#D6DDE7;
  --ember:#BF3F16; --ember-soft:#FBE4D9; --ember-ink:#A8360F; --hero:#146B55; --hero-soft:#DCF1EA; --villain:#6E3B86; --villain-soft:#EFE3F5;
  --soon:#5B6576; --soon-soft:#E6EAF0; --on-ember:#FFFFFF;
  --display:"Big Shoulders Display","Arial Narrow",Impact,sans-serif;
  --body:"Source Sans 3","Segoe UI",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --ground:#0C131D; --panel:#142031; --panel-2:#101A28; --ink:#E6ECF4; --muted:#9AA9BD; --line:#26354B;
    --ember:#FF7A45; --ember-soft:#3A2016; --ember-ink:#FF7A45; --hero:#5ED3AE; --hero-soft:#12322A; --villain:#D2A6EA; --villain-soft:#2E1E3A;
    --soon:#AEB9C8; --soon-soft:#1C2940; --on-ember:#1A0E08;
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --ground:#0C131D; --panel:#142031; --panel-2:#101A28; --ink:#E6ECF4; --muted:#9AA9BD; --line:#26354B;
  --ember:#FF7A45; --ember-soft:#3A2016; --ember-ink:#FF7A45; --hero:#5ED3AE; --hero-soft:#12322A; --villain:#D2A6EA; --villain-soft:#2E1E3A;
  --soon:#AEB9C8; --soon-soft:#1C2940; --on-ember:#1A0E08;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{background:var(--ground);color:var(--ink);font:16px/1.55 var(--body);margin:0;overflow-wrap:break-word}
img,video{max-width:100%}
a{color:var(--ember)}
a:focus-visible,button:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--ember);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:12px;top:-60px;background:var(--panel);color:var(--ink);border:2px solid var(--ember);border-radius:8px;padding:8px 12px;z-index:10;text-decoration:none;font-weight:600}
.skip:focus{top:12px}
.wrap{max-width:1240px;margin:0 auto;padding-inline:clamp(16px,3vw,32px)}
main.wrap{padding-block:26px 56px}
h1,h2,h3{font-family:var(--display);letter-spacing:.01em;text-wrap:balance;margin:0}
h1{font-size:clamp(46px,8vw,92px);line-height:.92;font-weight:800}
h2{font-size:clamp(28px,3.4vw,40px);line-height:1.05;font-weight:800}
h3{font-size:clamp(24px,2.4vw,30px);line-height:1.05;font-weight:800}
.eyebrow{font:600 12px/1.3 var(--body);letter-spacing:.14em;text-transform:uppercase;color:var(--ember)}
.lede{max-width:64ch;color:var(--muted);font-size:18px;margin:14px 0 0}
.muted{color:var(--muted)}

/* site header and footer (authored pages only) */
.site-head{background:var(--panel);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 18px;padding-block:10px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font:800 22px/1 var(--display);letter-spacing:.02em;min-height:44px}
.brand svg{flex:none}
.site-nav{display:flex;flex-wrap:wrap;gap:4px}
.site-nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 12px;border-radius:8px;color:var(--ink);text-decoration:none;font-weight:600;font-size:15px}
.site-nav a:hover{background:var(--panel-2);color:var(--ember)}
.site-nav a[aria-current="page"]{background:var(--ember-soft);color:var(--ember-ink)}
.site-foot{border-top:1px solid var(--line);color:var(--muted);font-size:14px}
.site-foot .wrap{padding-block:22px 36px;display:grid;gap:8px}
.site-foot p{margin:0;max-width:80ch}
.site-foot a{color:var(--ink)}

/* page header */
.pagehead{display:grid;gap:14px;margin-bottom:8px}
.pagehead h1{font-size:clamp(42px,7vw,80px)}
.crumbs{font-size:14px;color:var(--muted)}
.crumbs a{color:var(--muted)}
.facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:8px;overflow:hidden}
.fact{background:var(--panel);padding:12px 16px}
.fact b{display:block;font:500 22px/1.2 var(--mono);font-variant-numeric:tabular-nums}
.fact span{font-size:14px;color:var(--muted)}
.pills{display:flex;flex-wrap:wrap;gap:8px}
.pills a{font:600 14px var(--body);color:var(--ink);text-decoration:none;background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:9px 14px;min-height:40px;display:inline-flex;align-items:center}
.pills a:hover{border-color:var(--ember);color:var(--ember)}

section.block{margin-top:44px;display:grid;gap:16px}
.sechead{display:grid;gap:6px}
.sechead p{margin:0;color:var(--muted);max-width:66ch}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px 18px}

/* status chips: the word always carries the meaning, colour only helps */
.chip{display:inline-block;font:700 11px/1 var(--body);letter-spacing:.1em;text-transform:uppercase;border-radius:999px;padding:5px 9px;white-space:nowrap}
.chip.hero{color:var(--hero);background:var(--hero-soft)}
.chip.villain{color:var(--villain);background:var(--villain-soft)}
.chip.live{color:var(--hero);background:var(--hero-soft)}
.chip.preview{color:var(--ember-ink);background:var(--ember-soft)}
.chip.soon{color:var(--soon);background:var(--soon-soft)}
.chip.topic{color:var(--ember-ink);background:var(--ember-soft)}

/* games */
.games{display:grid;gap:18px}
.game{background:var(--panel);border:1px solid var(--line);border-radius:12px;overflow:hidden;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr)}
.game .shot{background:var(--panel-2);display:flex;align-items:center;border-right:1px solid var(--line)}
.game .shot img{display:block;width:100%;height:auto}
.game .shot.placeholder{display:grid;place-items:center;min-height:220px;background:repeating-linear-gradient(135deg,var(--panel-2) 0 14px,var(--soon-soft) 14px 28px);color:var(--soon);font:800 28px var(--display);letter-spacing:.04em;text-align:center;padding:18px}
.game .body{padding:18px 20px 20px;display:grid;gap:10px;align-content:start}
.game .body p{margin:0}
.game .meta{font-size:14px;color:var(--muted)}
.engines{list-style:none;margin:4px 0 0;padding:0;display:grid;gap:8px}
.engines li{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;padding:8px 10px;background:var(--panel-2);border-radius:10px}
.engines .name{font-weight:700;min-width:5.5rem}
.engines .note{flex:1 1 8rem;font-size:14px;color:var(--muted)}
.play{display:inline-flex;align-items:center;gap:6px;min-height:44px;font:700 15px var(--body);color:var(--on-ember);background:var(--ember);text-decoration:none;border-radius:8px;padding:0 16px}
.play:hover{filter:brightness(1.08)}
.play.secondary{background:var(--panel);color:var(--ink);border:1px solid var(--line)}
.play.secondary:hover{border-color:var(--ember);color:var(--ember);filter:none}
.soonnote{font-size:14px;color:var(--soon);font-weight:600}

/* dragon cards (as on the hub) */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:18px;align-items:start}
.dragon{background:var(--panel);border:1px solid var(--line);border-radius:12px;overflow:hidden;display:grid}
.dragon .shot{display:block;background:var(--panel-2)}
.dragon .shot img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}
.dragon .body{padding:14px 16px 16px;display:grid;gap:7px}
.topline{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;font-size:14px;color:var(--muted)}
.dragon h3,.dragon h4{font:800 30px/1.05 var(--display);letter-spacing:.01em;margin:0}
.elem{margin:0;font-weight:600}
.stem{margin:0;color:var(--muted);font-size:15px}
.spec{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.5fr) minmax(0,.9fr);gap:8px;margin:4px 0 2px}
.spec div{background:var(--panel-2);border-radius:8px;padding:8px 10px}
.spec dt{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.spec dd{margin:2px 0 0;font:500 14px/1.3 var(--mono);font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.open{justify-self:start;display:inline-flex;align-items:center;min-height:44px;font:700 15px var(--body);color:var(--on-ember);background:var(--ember);text-decoration:none;border-radius:8px;padding:0 14px}
.open:hover{filter:brightness(1.08)}

/* link cards */
.links{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:14px}
.link{display:grid;gap:6px;align-content:start;text-decoration:none;color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.link:hover{border-color:var(--ember)}
.link img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:8px;background:var(--panel-2)}
.link b{font:800 22px/1.1 var(--display);letter-spacing:.01em}
.link span{color:var(--muted);font-size:15px}
.link .chip{justify-self:start}

/* status list and news */
.status{display:grid;gap:12px;margin:0;padding:0;list-style:none}
.status li{display:grid;grid-template-columns:6.2rem minmax(0,1fr);gap:4px 12px;align-items:baseline}
.status .chip{justify-self:start}
.status p{margin:0}
.status small{grid-column:2;color:var(--muted);font-size:14px}
.twocol{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px;align-items:start}
.news{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.news li{display:grid;grid-template-columns:5.4rem minmax(0,1fr);gap:2px 12px}
.news time{font:500 13px/1.6 var(--mono);color:var(--muted);font-variant-numeric:tabular-nums}
.news p{margin:0}
.news b{font-weight:700}

/* timeline */
.timeline{list-style:none;margin:0;padding:0;display:grid;gap:0}
.day{display:grid;grid-template-columns:8.5rem minmax(0,1fr);gap:0 22px;padding:18px 0;border-top:1px solid var(--line)}
.day:first-child{border-top:0}
.day > time{font:800 26px/1 var(--display);letter-spacing:.02em}
.day > time small{display:block;font:500 13px/1.6 var(--mono);color:var(--muted);letter-spacing:0;margin-top:4px}
.day ul{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.day li p{margin:2px 0 0;max-width:72ch}
.day li b{font-weight:700}
.day .more{font-size:15px}

/* progress panels */
.panels{display:grid;gap:10px;grid-template-columns:repeat(4,minmax(0,1fr));margin:0}
.panels figure{margin:0;display:grid;gap:4px}
.panels img{display:block;width:100%;height:auto;border-radius:8px;border:1px solid var(--line);background:#B4B4B6}
.panels figcaption{font-size:13px;color:var(--muted);line-height:1.3}
.panels.eight{grid-template-columns:repeat(8,minmax(0,1fr))}
.panels.eight img{aspect-ratio:1;object-fit:cover;object-position:50% 22%}
.case{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px 18px;display:grid;gap:10px}
.case header{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 12px}
.case header h3{font-size:28px}
.case p{margin:0;max-width:78ch}
.case .fixed{color:var(--hero);font-weight:600}
.note-box{background:var(--panel-2);border-left:4px solid var(--ember);border-radius:8px;padding:12px 14px}
.note-box p{margin:0}

/* design document */
.doc{max-width:900px}
.doc h1{font-size:clamp(40px,6.5vw,72px)}
.doc h2{margin-top:40px;padding-top:6px;scroll-margin-top:12px}
.doc p{margin:12px 0;max-width:75ch}
.doc .byline{color:var(--muted);font-size:15px}
.doc ul,.doc ol{margin:12px 0;padding-left:1.5em;max-width:75ch;display:grid;gap:8px}
.doc ul.check{list-style:none;padding-left:0}
.doc ul.check > li{position:relative;padding-left:1.9em}
.doc ul.check > li::before{content:"";position:absolute;left:0;top:.28em;width:1.05em;height:1.05em;border:2px solid var(--muted);border-radius:4px}
.doc li p{margin:0}
.doc li p + p{margin-top:6px}
.doc code{font:500 .88em var(--mono);background:var(--panel-2);border:1px solid var(--line);border-radius:4px;padding:0 4px}
.doc .embed{background:var(--panel-2);border:1px dashed var(--line);border-radius:10px;padding:14px 16px;margin:16px 0;color:var(--muted)}
.doc .embed b{color:var(--ink)}
.toc{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin:18px 0 8px;max-width:900px}
.doc .toc ol{display:block;margin:6px 0 0;padding-left:1.4em;columns:2 16rem;column-gap:28px;max-width:none}
.toc li{margin:3px 0;break-inside:avoid}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:var(--panel);margin:16px 0}
.tablewrap:focus-visible{outline:2px solid var(--ember);outline-offset:2px}
table{border-collapse:collapse;width:100%;font-size:15px;line-height:1.45}
th,td{text-align:left;vertical-align:top;padding:9px 12px;border-bottom:1px solid var(--line)}
th{background:var(--panel-2);font-weight:700}
tbody tr:last-child td{border-bottom:0}
td p,th p,.doc td p,.doc th p{margin:0}
td p + p,th p + p,.doc td p + p,.doc th p + p{margin-top:6px}
.doc .tablewrap table{min-width:640px}

/* 404 */
.notfound{min-height:50vh;display:grid;align-content:center;gap:14px}

@media (max-width:900px){
  .game{grid-template-columns:1fr}
  .game .shot{border-right:0;border-bottom:1px solid var(--line)}
  .twocol{grid-template-columns:1fr}
  .panels.eight{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media (max-width:700px){
  .facts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .panels{grid-template-columns:repeat(2,minmax(0,1fr))}
  .panels.eight{grid-template-columns:repeat(2,minmax(0,1fr))}
  .day{grid-template-columns:1fr;gap:10px}
  .status li{grid-template-columns:1fr}
  .status small{grid-column:1}
  .news li{grid-template-columns:1fr}
  .spec{grid-template-columns:1fr 1fr}
  .spec div:nth-child(2){grid-column:1 / -1;grid-row:1}
}
@media (prefers-reduced-motion: reduce){ *{transition:none!important;animation:none!important;scroll-behavior:auto!important} }