/* SciSim — bacterial cell page (3D explorer + labs). Uses the page's CSS variables. */
#sim [hidden],.bc-sec [hidden],.bc-toast[hidden]{display:none!important}
.bc-sr{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.bc-mbar{background:linear-gradient(135deg,rgba(0,191,165,.10),rgba(0,191,165,.03));border:1px solid rgba(0,191,165,.35);border-radius:12px;padding:10px 12px;margin:0 0 12px}
.bc-mbar-h{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:.92rem}
.bc-mbar-h #bcMisN{font-family:'IBM Plex Mono',monospace;color:var(--accent-2)}
.bc-mbar-p{flex:1 1 120px;height:6px;background:var(--panel-2);border-radius:9px;overflow:hidden;min-width:80px}
.bc-mbar-p i{display:block;height:100%;width:0;background:var(--accent);transition:width .5s}
.bc-link{background:none;border:0;color:var(--text-dim);text-decoration:underline;font-size:.78rem;padding:2px;cursor:pointer}
.bc-mis-list{display:flex;gap:6px;overflow-x:auto;padding:8px 0 2px;scrollbar-width:thin}
.bc-mis{flex:0 0 auto;display:flex;align-items:center;gap:6px;text-decoration:none;color:var(--text);background:var(--panel);border:1px solid var(--border);border-radius:999px;padding:5px 11px 5px 6px;font-size:.82rem;white-space:nowrap}
.bc-mis:hover{border-color:var(--accent)}
.bc-mis-i{display:inline-flex;width:24px;height:24px;border-radius:50%;align-items:center;justify-content:center;background:var(--panel-2);font-size:.85rem}
.bc-mis.done{border-color:rgba(0,230,118,.5);background:rgba(0,230,118,.08)}
.bc-mis.done .bc-mis-i{background:var(--ok);color:#03201b;font-weight:800}
.bc-cert{margin-top:8px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:.9rem}
.bc-cert input{background:var(--panel);border:1px solid var(--border);color:var(--text);border-radius:7px;padding:6px 8px;font:inherit}
.bc-toast{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);z-index:100000;background:#05231e;border:1px solid var(--ok);color:var(--text);padding:10px 16px;border-radius:12px;box-shadow:0 8px 30px rgba(0,0,0,.5);font-size:.95rem;max-width:calc(100vw - 32px)}
.bc-toast b{color:var(--ok)} .bc-toast span{color:var(--text-dim)}

.bc-wrap{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:14px;background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:12px}
.bc-stage{min-width:0;display:flex;flex-direction:column;gap:10px;background:var(--panel)}
.bc-stage:fullscreen{padding:10px;background:var(--bg)}
.bc-stage:fullscreen #bcMount{height:calc(100vh - 150px)}
#bcMount{position:relative;width:100%;height:min(64vh,560px);min-height:360px;background:radial-gradient(ellipse at 50% 45%,#0f2329 0%,#061014 75%);border-radius:10px;overflow:hidden;touch-action:pan-y;cursor:grab;outline:none}
#bcMount:focus-visible{box-shadow:0 0 0 2px var(--accent)}
#bcMount>canvas{display:block;width:100%;height:100%}
#bcMount.bc-sem>canvas{filter:grayscale(1) contrast(1.35) brightness(1.08)}
#bcMount.bc-sem{background:radial-gradient(ellipse at 50% 45%,#2a2a2a 0%,#0b0b0b 80%)}
.bc-labels{position:absolute;inset:0;pointer-events:none}
.bc-labels svg{position:absolute;inset:0;width:100%;height:100%}
.bc-labels svg path{stroke:rgba(232,245,242,.55);stroke-width:1;fill:none}
.bc-labels svg circle{fill:#e8f5f2}
.bc-chip{position:absolute;pointer-events:auto;font-family:'IBM Plex Mono',monospace;font-size:.72rem;line-height:1;color:#eafff9;background:rgba(7,13,16,.82);border:1px solid var(--border);padding:5px 8px;border-radius:6px;white-space:nowrap;cursor:pointer}
.bc-chip:hover,.bc-chip.on{border-color:var(--accent);color:var(--accent-2)}
.bc-chip.found::before{content:'✓ ';color:var(--ok)}
.bc-badge{position:absolute;top:10px;left:50%;transform:translateX(-50%);font-family:'IBM Plex Mono',monospace;font-size:.72rem;color:var(--accent-2);background:rgba(7,13,16,.7);padding:4px 10px;border-radius:999px;pointer-events:none;white-space:nowrap}
.bc-scale{position:absolute;left:12px;bottom:12px;color:#e8f5f2;font-family:'IBM Plex Mono',monospace;font-size:.72rem;pointer-events:none;display:flex;flex-direction:column;gap:3px;text-shadow:0 1px 2px #000}
.bc-scale i{display:block;height:4px;background:#e8f5f2;border-radius:2px;min-width:8px}
.bc-zoom{position:absolute;right:10px;bottom:10px;display:flex;flex-direction:column;gap:6px;z-index:4}
.bc-zoom button{width:38px;height:38px;border-radius:9px;background:rgba(7,13,16,.8);border:1px solid var(--border);color:var(--text);font-size:1.15rem;line-height:1;cursor:pointer;padding:0}
.bc-zoom button:hover{border-color:var(--accent);color:var(--accent)}
.bc-tip{position:absolute;z-index:5;pointer-events:none;background:#e8f5f2;color:#062023;font-size:.78rem;font-weight:600;padding:3px 8px;border-radius:6px;white-space:nowrap}
.bc-wheel{position:absolute;top:44px;left:50%;transform:translateX(-50%);background:rgba(7,13,16,.85);border:1px solid var(--border);color:var(--text);font-size:.8rem;padding:6px 12px;border-radius:8px;pointer-events:none;z-index:5}
.bc-hint{position:absolute;right:58px;bottom:12px;font-size:.72rem;color:var(--text-dim);background:rgba(7,13,16,.6);padding:4px 9px;border-radius:6px;pointer-events:none;transition:opacity .6s}
#bcMount.touched .bc-hint{opacity:0}
.bc-cap{display:flex;align-items:center;gap:12px;flex-wrap:wrap;background:linear-gradient(135deg,rgba(0,191,165,.16),rgba(0,191,165,.05));border:1px solid var(--accent);border-radius:12px;padding:10px 14px}
.bc-cap p{flex:1 1 300px;margin:0;font-size:.98rem;line-height:1.45}
.bc-cap>div{display:flex;gap:8px;margin-left:auto}
.bc-cap-n{display:flex;flex-direction:column;gap:5px;font-family:'IBM Plex Mono',monospace;font-size:.74rem;color:var(--accent);white-space:nowrap}
.bc-dots2{display:flex;gap:4px}
.bc-dots2 i{width:9px;height:9px;border-radius:50%;background:var(--panel-2);border:1px solid var(--accent)}
.bc-dots2 i.d{background:var(--accent)}
.bc-dots2 i.c{background:#ffd75a;border-color:#ffd75a;box-shadow:0 0 6px #ffd75a}
#bcCapNext{font-size:.95rem;padding:10px 16px;position:relative}
#bcCapNext.bc-pulse{animation:bcPulse 1.6s ease-out 1s infinite}
@keyframes bcPulse{0%{box-shadow:0 0 0 0 rgba(255,215,90,.85)}70%{box-shadow:0 0 0 12px rgba(255,215,90,0)}100%{box-shadow:0 0 0 0 rgba(255,215,90,0)}}
@media (prefers-reduced-motion:reduce){#bcCapNext.bc-pulse{animation:none;box-shadow:0 0 0 3px #ffd75a}}
.bc-fallback{position:absolute;inset:0;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:10px;z-index:7}
.bc-fallback img{max-width:100%;max-height:82%;height:auto;object-fit:contain}
.bc-fallback p{color:#5a3b00;background:#fff3d6;border-radius:8px;padding:6px 10px;font-size:.88rem;margin:8px 0 0;text-align:center}
.bc-nogl .bc-labels,.bc-nogl .bc-scale,.bc-nogl .bc-zoom,.bc-nogl .bc-hint,.bc-nogl .bc-badge{display:none}
.bc-info{background:linear-gradient(135deg,rgba(0,191,165,.08),rgba(0,191,165,.02));border:1px solid rgba(0,191,165,.3);border-radius:10px;padding:10px 14px;min-height:96px}
.bc-info-n{font-family:'Syne',sans-serif;font-weight:700;font-size:1.05rem;color:var(--accent-2)}
.bc-info p{margin:4px 0 8px;font-size:.92rem}
.bc-ro{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.bc-ro div{background:var(--panel-2);border:1px solid var(--border);border-radius:8px;padding:6px 9px;min-width:0}
.bc-ro span{display:block;font-size:.64rem;text-transform:uppercase;letter-spacing:.07em;color:var(--text-dim)}
.bc-ro b{display:block;font-size:.84rem;color:var(--text);font-weight:600;overflow-wrap:anywhere}
.bc-ctl{background:var(--panel-2);border:1px solid var(--border);border-radius:10px;padding:12px;display:flex;flex-direction:column;gap:8px;min-width:0}
.bc-ctl.bc-off .bc-tg,.bc-ctl.bc-off .bc-seg,.bc-ctl.bc-off .bc-sel,.bc-ctl.bc-off #bcTour,.bc-ctl.bc-off #bcReset,.bc-ctl.bc-off h4:not(:last-of-type){opacity:.4;pointer-events:none}
.bc-ctl h4{font-family:'IBM Plex Mono',monospace;font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);margin:6px 0 0;display:flex;justify-content:space-between}
.bc-ctl h4 label{cursor:pointer}
.bc-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.bc-wrapr{margin:8px 0}
.bc-btn{background:var(--panel);border:1px solid var(--border);color:var(--text);padding:8px 12px;border-radius:8px;font-size:.86rem;cursor:pointer;font-family:'DM Sans',sans-serif;line-height:1.2}
.bc-btn:hover{border-color:var(--accent);color:var(--accent)}
.bc-btn.pri{background:var(--accent);border-color:var(--accent);color:#03201b;font-weight:700}
.bc-btn.pri:hover{filter:brightness(1.08);color:#03201b}
.bc-big{font-size:1rem;padding:11px 14px}
.bc-w{width:100%}
.bc-ctl>.bc-tg{flex:none}
.bc-tg{flex:1 1 0;background:var(--panel);border:1px solid var(--border);color:var(--text-dim);padding:8px 10px;border-radius:8px;font-size:.84rem;cursor:pointer;font-family:'DM Sans',sans-serif}
.bc-tg[aria-pressed="true"]{color:var(--accent);border-color:rgba(0,191,165,.55);background:rgba(0,191,165,.10)}
.bc-seg{display:flex;flex-wrap:wrap;gap:6px}
.bc-seg button{flex:1 1 auto;background:var(--panel);border:1px solid var(--border);color:var(--text-dim);padding:7px 10px;border-radius:8px;font-size:.84rem;cursor:pointer;font-family:'DM Sans',sans-serif}
.bc-seg button[aria-pressed="true"]{color:#03201b;background:var(--accent);border-color:var(--accent);font-weight:700}
.bc-sel{width:100%;background:var(--panel);border:1px solid var(--border);color:var(--text);padding:7px 9px;border-radius:8px;font-size:.84rem;font-family:'DM Sans',sans-serif}
.bc-parts{display:flex;flex-wrap:wrap;gap:5px}
.bc-parts button{display:inline-flex;align-items:center;gap:5px;background:var(--panel);border:1px solid var(--border);color:var(--text-dim);padding:5px 8px;border-radius:7px;font-size:.76rem;cursor:pointer}
.bc-parts button i{width:9px;height:9px;border-radius:50%;display:inline-block}
.bc-parts button.found{color:var(--text);border-color:rgba(0,230,118,.45)}
.bc-parts button.found::after{content:'✓';color:var(--ok);font-weight:800}
.bc-parts button.on{border-color:var(--accent)}
#bcFoundN{color:var(--text)}
.bc-note{font-size:.84rem;color:var(--text-dim);margin:10px 2px}
.bc-teach{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:10px 14px;margin:10px 0}
.bc-teach summary{cursor:pointer;font-weight:600}
.bc-teach li{margin:4px 0}
.bc-sec{scroll-margin-top:60px}
.bc-sec.done>h2::after,#label-lab.done>h2::after{content:' ✓';color:var(--ok)}
.bc-lead{color:var(--text-dim);max-width:900px}
.bc-can{display:block;width:100%;background:#071114;border:1px solid var(--border);border-radius:10px;margin:8px 0}
.bc-rng{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:8px 0;font-size:.9rem;color:var(--text-dim)}
.bc-rng input[type=range]{flex:1 1 160px;width:auto}
.bc-rng b{color:var(--accent-2);font-family:'IBM Plex Mono',monospace;font-weight:500}
.bc-chk{display:flex;gap:8px;align-items:flex-start;font-size:.88rem;color:var(--text-dim);margin:6px 0}
.bc-out{font-size:.92rem;min-height:1.4em}
.bc-dim{color:var(--text-dim)}
.bc-ok{color:var(--ok)} .bc-no{color:var(--err)}
.bc-pill{display:inline-block;font-size:.76rem;padding:2px 8px;border-radius:999px;margin-left:6px;border:1px solid var(--border)}
.bc-eye{color:#9be7a4}.bc-light{color:#ffd75a}.bc-electron{color:#90caf9}
.bc-scale-btns{display:flex;gap:6px;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin}
.bc-scale-btns button{flex:0 0 auto;background:var(--panel);border:1px solid var(--border);color:var(--text-dim);padding:6px 10px;border-radius:999px;font-size:.8rem;cursor:pointer;white-space:nowrap}
.bc-scale-btns button[aria-pressed="true"]{background:var(--accent);color:#03201b;border-color:var(--accent);font-weight:700}
.bc-grid2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px;align-items:start}
.bc-samples{margin:10px 0}
.bc-steps{display:flex;flex-direction:column;gap:6px}
.bc-step{background:var(--panel);border:1px solid var(--border);border-radius:9px;padding:8px 11px;opacity:.55}
.bc-step.act{opacity:1;border-color:var(--accent)}
.bc-step.done,.bc-step.skip{opacity:.95}
.bc-step b{display:block;font-size:.9rem}
.bc-step-b{display:flex;gap:6px;margin-top:6px;flex-wrap:wrap}
.bc-step-s{font-size:.8rem;color:var(--text-dim)}
.bc-step.done .bc-step-s{color:var(--ok)}
.bc-dec{display:flex;align-items:center;gap:8px;font-size:.84rem;color:var(--text-dim);margin-top:6px}
.bc-dec input{flex:1}
.bc-pred{margin:10px 0;display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.bc-id{background:var(--panel);border:1px solid var(--accent);border-radius:10px;padding:10px 12px;margin:8px 0}
.bc-id div{margin:6px 0;display:flex;gap:14px;flex-wrap:wrap;font-size:.9rem}
.bc-wall{display:block;width:100%;max-width:420px;border-radius:8px;border:1px solid var(--border)}
.bc-cap2{font-size:.82rem;color:var(--text-dim);margin:2px 0}
.bc-tab{border-collapse:collapse;font-size:.86rem;margin:10px 0;width:100%;max-width:640px}
.bc-tab th,.bc-tab td{border-bottom:1px solid var(--border);padding:5px 8px;text-align:left}
.bc-tab th{color:var(--accent);font-size:.74rem;text-transform:uppercase}
.bc-big-n{font-family:'IBM Plex Mono',monospace;font-size:1.5rem;color:var(--accent-2);margin:6px 0}
.bc-big-n small{font-size:.8rem;color:var(--text-dim);font-family:'DM Sans',sans-serif}
.bc-dots{display:flex;flex-wrap:wrap;gap:2px;max-height:150px;overflow:hidden}
.bc-dots i{width:7px;height:4px;border-radius:2px;background:var(--accent)}
.bc-chal{background:var(--panel);border:1px dashed var(--border);border-radius:9px;padding:9px 11px;margin-top:10px;font-size:.9rem}
.bc-chal input{background:var(--bg-2);border:1px solid var(--border);color:var(--text);border-radius:6px;padding:5px 8px;font:inherit;width:8em}
.bc-mech{background:var(--panel);border:1px solid var(--border);border-radius:9px;padding:9px 11px;margin-top:8px;font-size:.88rem}
.bc-mech p{margin:6px 0 0}
.bc-mech-svg{display:block;width:100%;max-width:360px;background:#0b1416;border-radius:8px}
.bc-gap{animation:bcGap 2.4s ease-in-out infinite}
.bc-water{animation:bcWater 2.4s ease-in-out infinite}
.bc-drug{animation:bcDrug 2.4s ease-in-out infinite}
@keyframes bcGap{0%,30%{opacity:0}60%,100%{opacity:1}}
@keyframes bcWater{0%,45%{opacity:0}70%,100%{opacity:1}}
@keyframes bcDrug{0%{transform:translateY(-40px);opacity:0}50%,100%{transform:translateY(0);opacity:1}}
.bc-meter{display:inline-block;width:120px;height:10px;border-radius:6px;background:var(--panel-2);border:1px solid var(--border);overflow:hidden;vertical-align:middle}
.bc-meter i{display:block;height:100%;width:0;background:linear-gradient(90deg,#8a7a2a,#ffd75a)}
.bc-quiz{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:14px;max-width:860px}
.bc-qn{font-size:.8rem;color:var(--text-dim);font-family:'IBM Plex Mono',monospace;margin:0}
.bc-qq{font-size:1.05rem;font-weight:600;margin:6px 0 10px}
.bc-qo{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.bc-qo .bc-btn{text-align:left;padding:10px 12px}
.bc-qo .bc-btn.ok{border-color:var(--ok);background:rgba(0,230,118,.12);color:var(--text)}
.bc-qo .bc-btn.no{border-color:var(--err);background:rgba(255,82,82,.12)}
.bc-qo .bc-btn:disabled{cursor:default}
.bc-qf{min-height:1.4em}
.bc-qs{font-size:1.05rem}
@media (max-width:900px){.bc-wrap{grid-template-columns:1fr}.bc-grid2{grid-template-columns:1fr}}
@media (max-width:640px){
  .bc-wrap{padding:8px;gap:10px}
  #bcMount{height:52vh;min-height:320px}
  .bc-cap p{font-size:.9rem;flex-basis:100%}
  .bc-hint{display:none}
  .bc-chip{font-size:.66rem;padding:4px 6px}
  .bc-ro{grid-template-columns:1fr 1fr}
  .bc-ro div:last-child{grid-column:1/-1}
  .bc-qo{grid-template-columns:1fr}
  .bc-badge{font-size:.66rem}
}
@media (prefers-reduced-motion:reduce){.bc-gap,.bc-water,.bc-drug{animation:none;opacity:1}}