/* Protein browser: a grid of rotating structures; one opens full screen with its facts. The 3D is drawn
   on a single fixed canvas (#stage) into each card's .icon box and into .detail-view. */
body{min-height:100vh;overflow-x:hidden;background:radial-gradient(1200px 700px at 78% -10%,#11243060,transparent 60%),radial-gradient(900px 600px at -10% 30%,#15202d50,transparent 60%),var(--night)}
#stage{position:fixed;inset:0;width:100%;height:100%;z-index:30;pointer-events:none}
.top{display:flex;align-items:center;justify-content:space-between;padding:25px var(--gutter)}
.top-links{display:flex;gap:8px}

.intro{padding:clamp(28px,6vh,72px) var(--gutter) 18px;max-width:1500px;margin:0 auto}
.intro .display{font-size:clamp(44px,6vw,84px);margin:0 0 18px}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}

#groups{padding:8px var(--gutter) 96px;max-width:1500px;margin:0 auto}
.group{margin-top:48px}
.group[hidden]{display:none}
.group-head{display:flex;align-items:baseline;gap:18px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:18px;margin-bottom:20px}
.group-head h2{font-family:var(--serif);font-weight:400;font-size:clamp(28px,3vw,38px);margin:0;letter-spacing:-.01em}
.group-head p{margin:0;color:var(--muted);font-size:12px;line-height:1.6;max-width:70ch}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px}

.card{position:relative;display:flex;flex-direction:column;text-align:left;border-radius:var(--radius);border:1px solid #9fb6c01c;background:linear-gradient(180deg,#0f1b27cc,#0b141ecc);overflow:hidden;transition:border-color .25s,transform .25s,background .25s}
.card:hover,.card:focus-visible{border-color:color-mix(in srgb,var(--c),transparent 55%);background:linear-gradient(180deg,#132230e0,#0c1621e0);transform:translateY(-2px)}
.card:focus-visible{outline-offset:3px}
.card .icon{position:relative;aspect-ratio:1/1;width:100%;background:radial-gradient(closest-side,color-mix(in srgb,var(--c),transparent 88%),transparent 78%)}
.card .symbol{position:absolute;left:14px;top:12px;font-family:var(--serif);font-size:21px;color:color-mix(in srgb,var(--c),#fff 35%);letter-spacing:-.01em}
sub{font-size:.62em;vertical-align:-.28em;line-height:0}
.card .label{padding:0 16px 16px;margin-top:-6px}
.card .name{display:block;font-family:var(--serif);font-size:23px;line-height:1.05;letter-spacing:-.01em;color:var(--ink)}
.card .gene{display:block;font-size:10px;color:var(--faint);margin-top:5px;letter-spacing:.04em}
.card .gene i{color:#b7c4cb}
.card .short{display:block;font-size:12px;line-height:1.5;color:#a8b6bf;margin-top:8px}
.card.wide{grid-column:span 2}
.card.wide .icon{aspect-ratio:2/1}
@media(max-width:560px){.card.wide{grid-column:1/-1}}

/* Detail: structure on the left (top on narrow screens), facts on the right. */
.detail{position:fixed;inset:0;z-index:20;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(360px,1fr);background:#050b13f2;backdrop-filter:blur(18px)}
.detail[hidden]{display:none}
.detail-stage{position:relative;min-height:0}
.detail-view{position:absolute;inset:0;touch-action:none;cursor:grab;outline:none;overflow:hidden}
.detail-view canvas{display:block;width:100%;height:100%}
.facts-table[hidden],.detail-links[hidden],.detail-notes[hidden]{display:none}
.detail-view:active{cursor:grabbing}
.detail-view:focus-visible{box-shadow:inset 0 0 0 2px var(--accent)}
.view-hint{position:absolute;left:var(--gutter);bottom:26px;margin:0;font-size:10px;color:#839aa9;pointer-events:none;transition:opacity .6s}
.view-hint.gone{opacity:0}
.parts{position:absolute;left:var(--gutter);top:26px;display:flex;flex-direction:column;align-items:flex-start;gap:6px;margin:0;padding:0;list-style:none;z-index:1}
.parts:empty{display:none}
.context{position:absolute;right:24px;top:26px;z-index:1;--c:#8fa3ad}
.context[hidden]{display:none}
.context[aria-pressed=false] .dot{background:transparent;box-shadow:inset 0 0 0 1px #8fa3ad}
.parts .pill{padding:7px 12px}
.hover-tag{position:absolute;z-index:2;pointer-events:none;transform:translate(14px,-50%);padding:7px 11px;border:1px solid #a8c5d325;border-radius:4px;background:#0a1522e6;font-size:12px;color:#e1ebef;white-space:nowrap}
.hover-tag small{display:block;font-size:9px;color:#9cb5c1;margin-top:2px}
.detail-text{position:relative;overflow-y:auto;overscroll-behavior:contain;padding:28px clamp(22px,3.4vw,52px) 48px;border-left:1px solid var(--line);background:linear-gradient(180deg,#0b1520e6,#08111be6)}
.detail-bar{display:flex;justify-content:flex-end;gap:8px;margin-bottom:clamp(18px,5vh,56px)}
.detail-text .display{font-size:clamp(40px,4.4vw,64px);margin:0 0 12px}
.detail-meta{margin:0 0 16px;font-size:11px;color:var(--faint);letter-spacing:.04em}
.detail-meta i{color:#c3cfd5}
.detail-short{font-size:15px;line-height:1.55;color:#d5e0e4;margin:0 0 22px;max-width:52ch}
.facts{margin:0 0 26px;padding:0;list-style:none;display:grid;gap:12px}
.facts li{position:relative;padding-left:20px;font-size:13px;line-height:1.7;color:#b3c1ca;text-wrap:pretty}
.facts li::before{content:'';position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--c);box-shadow:0 0 9px color-mix(in srgb,var(--c),transparent 60%)}
.facts b,.facts strong{color:var(--ink);font-weight:500}
.facts-table{display:grid;grid-template-columns:auto 1fr;gap:9px 18px;margin:0 0 26px;padding:16px 18px;border:1px solid var(--line);border-radius:8px;background:#0c1823a0;font-size:12px}
.facts-table dt{color:var(--faint);letter-spacing:.04em}
.facts-table dd{margin:0;color:#dbe5e8;font-variant-numeric:tabular-nums}
.facts-table dd.sequence{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;letter-spacing:.02em;word-break:break-word}
.detail-links{margin:0 0 22px}
.detail-links h3{font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:500;margin:0 0 10px}
.chips{display:flex;flex-wrap:wrap;gap:7px}
.chips .pill{text-decoration:none}
.detail-notes{margin:6px 0 18px;font-size:12px}
.detail-notes a{color:#d9b882;text-underline-offset:3px}
.source{font-size:10px;line-height:1.6;color:#6f8793;margin:0;padding-top:14px;border-top:1px solid var(--line)}
.source span{display:block}

@media(max-width:900px){
  .detail{grid-template-columns:1fr;grid-template-rows:min(48vh,440px) minmax(0,1fr)}
  .detail-text{border-left:0;border-top:1px solid var(--line);padding-top:18px}
  .detail-bar{position:fixed;top:14px;right:14px;margin:0;z-index:3}
  .context{top:16px;left:16px;right:auto}
  .parts{top:auto;bottom:16px;flex-direction:row;flex-wrap:wrap;right:16px}
  .view-hint{display:none}
}
@media(max-width:560px){.top{padding:18px 16px}.brand{font-size:7px}.brand-mark{width:32px;height:32px;font-size:20px}.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.card .name{font-size:19px}.card .short{display:none}.card .label{padding:0 12px 12px}}

.load-error{position:fixed;inset:0;z-index:70;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:24px;text-align:center;background:var(--night)}
.load-error[hidden]{display:none}
.load-error .display{font-size:40px}
.load-error p{color:var(--muted);font-size:13px;margin:0}
.load-error code{font-size:11px;color:#dbe5e8;background:#101a25;border:1px solid var(--line);border-radius:6px;padding:10px 12px;max-width:100%;overflow-x:auto}