/* Amulet Atlas — palette drawn from faience, carnelian, lapis and limestone */
:root{
  --bg:#eceee9; --surface:#f7f8f5; --sunk:#e2e6e0; --ink:#18201e; --muted:#586662; --faint:#7d8a86; --line:#d0d7d1;
  --accent:#0d7470; --accent-ink:#ffffff; --accent-soft:#d3ebe8; --carnelian:#a8412b; --gold:#8c6d22;
  --plate:#e9ece7; --shadow:0 1px 2px rgba(20,30,28,.06),0 4px 14px rgba(20,30,28,.06);
  --display:"Cinzel","Trajan Pro",Georgia,serif; --body:"Instrument Sans","Segoe UI",system-ui,-apple-system,sans-serif; --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --side:290px; color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0d1317; --surface:#141c21; --sunk:#0a0f12; --ink:#e5ebe8; --muted:#9aa9a4; --faint:#74837f; --line:#243037;
  --accent:#43c2b7; --accent-ink:#06201e; --accent-soft:#12302e; --carnelian:#e27a61; --gold:#d6b260; --plate:#1a2328;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 6px 18px rgba(0,0,0,.25); color-scheme:dark;}}
:root[data-theme="dark"]{
  --bg:#0d1317; --surface:#141c21; --sunk:#0a0f12; --ink:#e5ebe8; --muted:#9aa9a4; --faint:#74837f; --line:#243037;
  --accent:#43c2b7; --accent-ink:#06201e; --accent-soft:#12302e; --carnelian:#e27a61; --gold:#d6b260; --plate:#1a2328;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 6px 18px rgba(0,0,0,.25); color-scheme:dark;}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font:15px/1.55 var(--body);-webkit-font-smoothing:antialiased}
a{color:var(--accent)}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
img{max-width:100%}

/* ---------- top bar ---------- */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:30;display:flex;align-items:center;gap:14px;padding:10px 16px;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:baseline;gap:10px;text-decoration:none;color:var(--ink);white-space:nowrap}
.brand b{font:600 20px/1 var(--display);letter-spacing:.08em}
.brand small{font:12px var(--mono);color:var(--faint)}
.menu-btn{display:none;border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:6px 10px;cursor:pointer}
.search{flex:1;max-width:520px;position:relative}
.search input{width:100%;padding:9px 12px 9px 34px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);font:inherit}
.search svg{position:absolute;left:10px;top:50%;transform:translateY(-50%);width:16px;height:16px;stroke:var(--faint)}
.modes{display:flex;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--surface)}
.modes button{border:0;background:none;padding:8px 12px;cursor:pointer;color:var(--muted);white-space:nowrap}
.modes button[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink)}
.theme-btn{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:8px 10px;cursor:pointer;color:var(--muted)}

/* ---------- layout ---------- */
.layout{display:grid;grid-template-columns:var(--side) minmax(0,1fr);min-height:calc(100vh - 58px)}
.side{position:sticky;top:58px;align-self:start;height:calc(100vh - 58px);overflow:auto;border-right:1px solid var(--line);padding:14px 10px 40px;background:var(--bg)}
.side h4{font:600 11px/1 var(--body);letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin:14px 10px 8px}
.tree a{display:flex;justify-content:space-between;gap:8px;padding:5px 10px;border-radius:7px;text-decoration:none;color:var(--ink);font-size:14px}
.tree a:hover{background:var(--sunk)}
.tree a.on{background:var(--accent-soft);color:var(--ink)}
.tree a span.n{font:12px var(--mono);color:var(--faint);font-variant-numeric:tabular-nums}
.tree .subs{display:none;margin:2px 0 8px 12px;border-left:1px solid var(--line)}
.tree .grp.open .subs{display:block}
.tree .subs a{font-size:13px;color:var(--muted);padding:4px 10px}
main{min-width:0;padding:24px 28px 80px}
.wrap{max-width:1500px;margin:0 auto}

/* ---------- home ---------- */
.hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:28px;align-items:end;margin-bottom:28px}
.hero h1{font:600 clamp(30px,4vw,52px)/1.05 var(--display);letter-spacing:.04em;margin:0 0 12px;text-wrap:balance}
.hero p{max-width:62ch;color:var(--muted);margin:0 0 10px}
.stats{display:flex;gap:26px;flex-wrap:wrap}
.stats div b{display:block;font:600 26px/1.1 var(--display);font-variant-numeric:tabular-nums}
.stats div span{font-size:12px;color:var(--faint);text-transform:uppercase;letter-spacing:.1em}
.mosaic{display:grid;grid-template-columns:repeat(6,1fr);gap:6px}
.mosaic img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:6px;background:var(--plate)}
.tcards{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:16px}
.tcard{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;text-decoration:none;color:var(--ink);transition:transform .15s,box-shadow .15s}
.tcard:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.tcard .quad{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;background:var(--line)}
.tcard .quad img{width:100%;aspect-ratio:1;object-fit:cover;background:var(--plate);display:block}
.tcard .body{padding:12px 14px 14px}
.tcard h3{font:600 17px/1.2 var(--display);letter-spacing:.03em;margin:0 0 4px}
.tcard .era{font:12px var(--mono);color:var(--faint)}
.tcard .meta{display:flex;justify-content:space-between;margin-top:8px;font-size:13px;color:var(--muted)}

/* ---------- tradition page ---------- */
.ghead{margin-bottom:18px}
.eyebrow{font:600 11px/1 var(--body);letter-spacing:.14em;text-transform:uppercase;color:var(--carnelian)}
.ghead h1{font:600 clamp(28px,3.4vw,44px)/1.1 var(--display);letter-spacing:.04em;margin:8px 0 10px;text-wrap:balance}
.ghead p{max-width:75ch;color:var(--muted);margin:0}
.subnav{display:flex;flex-wrap:wrap;gap:6px;margin:16px 0 8px}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:5px 11px;font-size:13px;cursor:pointer;text-decoration:none;color:var(--ink);white-space:nowrap}
.chip .n{font:11px var(--mono);color:var(--faint);margin-left:4px}
.chip[aria-pressed="true"],.chip.on{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.chip[aria-pressed="true"] .n,.chip.on .n{color:inherit;opacity:.7}
.sub{padding-top:26px;margin-top:22px;border-top:1px solid var(--line);scroll-margin-top:70px}
.subhead{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:baseline}
.sub h2{font:600 24px/1.2 var(--display);letter-spacing:.03em;margin:0;text-wrap:balance}
.count{font:13px var(--mono);color:var(--faint);font-variant-numeric:tabular-nums}
.ptags{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0 12px}
.ptag{font-size:12px;padding:2px 9px;border-radius:999px;background:var(--accent-soft);color:var(--ink);text-decoration:none}
.notes{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:0 0 14px;max-width:1200px}
.notes div{font-size:14px;color:var(--ink)}
.notes h5{margin:0 0 4px;font:600 11px/1 var(--body);letter-spacing:.12em;text-transform:uppercase;color:var(--faint)}
.notes .make{border-left:2px solid var(--gold);padding-left:12px}
.variants{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:4px 0 8px}
.variants + .grid{margin-top:12px}
.flabel{font:600 11px/1 var(--body);letter-spacing:.12em;text-transform:uppercase;color:var(--faint);min-width:64px}

/* ---------- grid ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:12px}
.card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden;cursor:zoom-in;text-align:left;padding:0}
.card:hover{box-shadow:var(--shadow);border-color:color-mix(in srgb,var(--accent) 40%,var(--line))}
.card .ph{position:relative;aspect-ratio:1;background:var(--plate);display:grid;place-items:center}
.card .ph img{width:100%;height:100%;object-fit:contain;display:block}
.card .views{position:absolute;right:6px;bottom:6px;font:11px var(--mono);background:rgba(0,0,0,.6);color:#fff;border-radius:6px;padding:1px 6px}
.card .cap{padding:8px 10px 10px;display:flex;flex-direction:column;gap:2px;min-height:74px}
.card .t{font-size:13px;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card .c{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card .m{font:11px var(--mono);color:var(--faint);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.more{margin:14px 0 0;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:9px 16px;cursor:pointer}
.more:hover{border-color:var(--accent)}
.empty{color:var(--faint);font-style:italic}

/* ---------- purpose view ---------- */
.pgroup{margin:0 0 34px}
.pgroup h2{font:600 24px/1.2 var(--display);margin:0 0 4px}
.pgroup > p{color:var(--muted);margin:0 0 12px}
.scards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px}
.scard{display:grid;grid-template-columns:64px minmax(0,1fr);gap:10px;align-items:center;padding:8px;border:1px solid var(--line);border-radius:10px;background:var(--surface);text-decoration:none;color:var(--ink)}
.scard img{width:64px;height:64px;object-fit:cover;border-radius:6px;background:var(--plate)}
.scard b{display:block;font-size:14px;line-height:1.25}
.scard span{font-size:12px;color:var(--muted)}

/* ---------- lightbox ---------- */
.lb{position:fixed;inset:0;z-index:100;display:grid;grid-template-columns:minmax(0,1fr) 360px;background:rgba(6,9,10,.985);color:#e8eeec}
.lb[hidden]{display:none}
.stage{position:relative;overflow:hidden;display:grid;place-items:center;touch-action:none;cursor:zoom-in}
.stage.zoomed{cursor:grab}
.stage.zoomed.drag{cursor:grabbing}
.stage img{max-width:100%;max-height:100%;object-fit:contain;transform-origin:0 0;user-select:none;-webkit-user-drag:none}
.lb .nav{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:64px;border:0;border-radius:10px;background:rgba(255,255,255,.08);color:#fff;font-size:26px;cursor:pointer}
.lb .nav:hover{background:rgba(255,255,255,.18)}
.lb .prev{left:12px}.lb .next{right:12px}
.lb .close{position:absolute;top:12px;right:12px;z-index:3;width:40px;height:40px;border-radius:10px;border:0;background:rgba(255,255,255,.1);color:#fff;font-size:20px;cursor:pointer}
.lb .zoomhint{position:absolute;left:12px;bottom:12px;font:12px var(--mono);color:rgba(255,255,255,.55)}
.lb .spin{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none;font:12px var(--mono);color:rgba(255,255,255,.5)}
.info{background:#0f1518;border-left:1px solid #22303a;padding:22px 20px 30px;overflow:auto}
.info .pos{font:12px var(--mono);color:#8fa19c}
.info h3{font:600 20px/1.25 var(--display);letter-spacing:.02em;margin:8px 0 12px;color:#fff}
.info dl{display:grid;grid-template-columns:92px minmax(0,1fr);gap:6px 10px;margin:0 0 14px;font-size:13.5px}
.info dt{color:#8fa19c;font-size:11px;text-transform:uppercase;letter-spacing:.1em;padding-top:3px}
.info dd{margin:0;color:#e8eeec;overflow-wrap:anywhere}
.info .desc{font-size:13.5px;color:#c9d3d0;margin:0 0 14px;max-height:220px;overflow:auto}
.info .thumbs{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 14px}
.info .thumbs button{padding:0;border:2px solid transparent;border-radius:6px;background:#1b2428;cursor:pointer;width:62px;height:62px}
.info .thumbs button.on{border-color:#43c2b7}
.info .thumbs img{width:100%;height:100%;object-fit:contain}
.info .src{display:inline-flex;gap:6px;align-items:center;padding:9px 14px;border-radius:10px;background:#43c2b7;color:#06201e;text-decoration:none;font-weight:600;font-size:14px}
.info .lic{font-size:12px;color:#8fa19c;margin-top:12px}
.info .where{font-size:12px;color:#8fa19c;margin-top:4px}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .layout{grid-template-columns:1fr}
  .side{position:fixed;left:0;top:0;bottom:0;height:auto;width:min(86vw,320px);z-index:60;transform:translateX(-105%);transition:transform .2s;box-shadow:var(--shadow);padding-top:calc(14px + env(safe-area-inset-top,0px))}
  body.side-open .side{transform:none}
  .menu-btn{display:inline-block}
  .hero{grid-template-columns:1fr}
  .lb{grid-template-columns:1fr;grid-template-rows:minmax(0,1fr) auto}
  .info{max-height:42vh;border-left:0;border-top:1px solid #22303a}
}
@media (max-width:640px){
  main{padding:16px 16px 60px}
  .top{flex-wrap:wrap;gap:8px}
  .search{order:5;flex-basis:100%;max-width:none}
  .brand small{display:none}
  .notes{grid-template-columns:1fr}
  .grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px}
  .mosaic{grid-template-columns:repeat(4,1fr)}
  .lb .nav{width:38px;height:52px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}