/* lab.css — THE LAB: a ring beside the codex + an overlay of experiment cards.
   Same locked language as codex.css: near-black, hairline ink, gold = the only fire.
   Reuses the codex keyframes (cxOrbit / cxBreathe / cxFadeIn) loaded by codex.css. */

/* ── the ring (top right, just left of the codex ring) ────────────── */
#labRing{ position:fixed; top:22px; right:80px; z-index:40;
  width:36px; height:36px; border-radius:50%; cursor:pointer;
  background:rgba(8,11,18,0.55); border:1px solid var(--line-soft);
  display:flex; align-items:center; justify-content:center;
  transition:border-color .3s var(--ease), box-shadow .3s var(--ease); }
#labRing::before{ content:""; position:absolute; inset:4px; border-radius:50%;
  border:1px dashed rgba(234,240,251,0.14);
  animation:cxOrbit 30s linear infinite reverse; }
#labRing::after{ content:"lab"; position:absolute; top:calc(100% + 7px); right:0;
  font-size:9px; letter-spacing:.26em; color:var(--faint); text-transform:uppercase;
  opacity:0; transition:opacity .3s var(--ease); pointer-events:none; }
#labRing .lb-dot{ width:9px; height:9px; border-radius:50%; box-sizing:border-box;
  border:1.3px solid var(--gold-dim);
  transition:border-color .3s var(--ease), box-shadow .3s var(--ease);
  animation:cxBreathe 4.6s var(--ease) infinite; }
#labRing:hover{ border-color:var(--gold-dim); box-shadow:0 0 18px rgba(212,162,76,0.2); }
#labRing:hover::after{ opacity:1; }
#labRing:hover .lb-dot{ border-color:var(--gold); box-shadow:0 0 9px var(--gold-glow); }

/* ── overlay shell ────────────────────────────────────────────────── */
#labOverlay{ position:fixed; inset:0; z-index:90;
  background:radial-gradient(120% 100% at 50% 40%, rgba(10,14,24,0.94) 0%, rgba(4,6,10,0.985) 75%);
  backdrop-filter:blur(7px); }
#labOverlay[hidden]{ display:none; }
.lb-frame{ position:absolute; inset:3vh 3vw; display:flex; flex-direction:column;
  border:1px solid var(--line-soft); border-radius:14px; background:rgba(6,8,13,0.85);
  overflow:hidden; box-shadow:0 30px 120px rgba(0,0,0,0.55); }
.lb-frame::before, .lb-frame::after{ content:""; position:absolute; width:14px; height:14px;
  pointer-events:none; opacity:.8; }
.lb-frame::before{ top:-1px; left:-1px; border-top:1.5px solid var(--gold-dim);
  border-left:1.5px solid var(--gold-dim); border-top-left-radius:14px; }
.lb-frame::after{ bottom:-1px; right:-1px; border-bottom:1.5px solid var(--gold-dim);
  border-right:1.5px solid var(--gold-dim); border-bottom-right-radius:14px; }
.lb-head{ display:flex; align-items:baseline; gap:16px; padding:16px 22px;
  border-bottom:1px solid var(--line-soft); }
.lb-title{ font-size:12px; letter-spacing:.34em; color:var(--gold); }
.lb-sub{ font-size:10px; letter-spacing:.14em; color:var(--faint); flex:1; }
.lb-sub::before{ content:"▸ "; color:var(--gold-dim); }
.lb-close{ appearance:none; background:none; border:none; color:var(--faint);
  font-size:20px; cursor:pointer; line-height:1; font-family:inherit; padding:0 2px;
  transition:color .25s var(--ease); }
.lb-close:hover{ color:var(--gold); }

/* ── the experiment grid ──────────────────────────────────────────── */
.lb-grid{ flex:1; overflow-y:auto; padding:30px;
  display:grid; grid-template-columns:repeat(auto-fill, minmax(300px, 1fr));
  gap:18px; align-content:start;
  scrollbar-width:thin; scrollbar-color:rgba(234,240,251,0.15) transparent;
  animation:cxFadeIn .5s var(--ease) both; }
.lb-card{ position:relative; display:flex; flex-direction:column; gap:9px;
  padding:22px 22px 20px; text-decoration:none;
  border:1px solid var(--line-soft); border-radius:12px; background:rgba(10,14,22,0.4);
  transition:border-color .25s var(--ease), box-shadow .25s var(--ease), transform .25s var(--ease); }
.lb-card::after{ content:""; position:absolute; top:-1px; right:-1px; width:12px; height:12px;
  border-top:1.5px solid transparent; border-right:1.5px solid transparent;
  transition:border-color .25s var(--ease); }
.lb-card:hover{ border-color:var(--gold-dim); transform:translateY(-2px);
  box-shadow:0 16px 44px -22px rgba(0,0,0,0.75); }
.lb-card:hover::after{ border-top-color:var(--gold); border-right-color:var(--gold); }
.lb-tag{ font-size:9px; letter-spacing:.24em; text-transform:uppercase; color:var(--gold-dim); }
.lb-name{ font-size:18px; color:var(--ink); letter-spacing:.01em;
  transition:color .25s var(--ease); }
.lb-card:hover .lb-name{ color:var(--gold-hi); }
.lb-blurb{ font-size:12px; line-height:1.65; color:var(--ink-dim); }
.lb-open{ margin-top:auto; padding-top:6px; font-size:11px; letter-spacing:.08em;
  color:var(--gold); opacity:.85; transition:opacity .25s var(--ease); }
.lb-card:hover .lb-open{ opacity:1; }

/* ── reduced motion ───────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce){
  #labRing::before, #labRing .lb-dot{ animation:none; }
  .lb-grid{ animation:none; }
  .lb-card:hover{ transform:none; }
}
html.reduced-motion #labRing::before, html.reduced-motion #labRing .lb-dot{ animation:none; }

/* ── mobile (sit the lab ring beside the codex ring) ──────────────── */
@media (max-width:760px){
  #labRing{ top:auto; bottom:16px; left:60px; right:auto; }
  #labRing::after{ top:auto; bottom:calc(100% + 7px); right:auto; left:0; }
  .lb-frame{ inset:0; border-radius:0; }
  .lb-frame::before, .lb-frame::after{ display:none; }
  .lb-grid{ grid-template-columns:1fr; padding:18px; }
}