:root{--bg:#f3f6f4;--ink:#24304a;--ink2:#3c4866;--soft:#5a6480;--line:#dde4e8;--mint:#3f9a86;--mintdk:#2a6f60;--okbg:#e4f4ee;--okb:#b9e0d1;--okt:#2a6a5a;--warnbg:#fff4dd;--warnt:#875611;--warnb:#ebd5a8;--badbg:#fdebe7;--badt:#9a3412;--badb:#f2c6bb;--acc:#d9822b;--accbg:#fdf0e1;--sky:#3b7bb8;--skybg:#e6f0f9}
@font-face{font-family:Rubik;src:url(fonts/rubik-regular.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:Rubik;src:url(fonts/rubik-medium.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:Rubik;src:url(fonts/rubik-bold.woff2) format("woff2");font-weight:700;font-display:swap}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0}
body{font-family:Rubik,system-ui,sans-serif;color:var(--ink);background:radial-gradient(1200px 600px at 85% -10%,#e6f1ec 0,transparent 60%),radial-gradient(900px 500px at 0% 110%,#f6eedf 0,transparent 60%),var(--bg);font-size:17px;line-height:1.5;min-height:100vh}
main{max-width:1340px;margin:0 auto;padding:12px 14px 10px;display:flex;flex-direction:column;gap:12px;min-height:100vh}
.i{width:1.15em;height:1.15em;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;vertical-align:-.2em;flex:none}
.card{background:#fff;border:1px solid #e2e8ea;border-radius:18px;box-shadow:0 2px 10px rgba(30,60,60,.06)}
.top{display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.94);border:1px solid #e2e8ea;border-radius:18px;padding:9px 14px;flex-wrap:wrap}
.tt{flex:1 1 auto;min-width:0}
.top h1{margin:0;font-size:24px;line-height:1.2}
.kick{margin:0;color:var(--mintdk);font-weight:500;font-size:14.5px}
.tops{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.dur{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;background:var(--okbg);border:1px solid var(--okb);color:var(--okt);border-radius:999px;padding:5px 12px;font-weight:500;font-size:15px}
.tbtn{font:inherit;font-size:15px;font-weight:500;display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);color:var(--ink2);border-radius:999px;padding:5px 12px;cursor:pointer;min-height:36px}
.tbtn[aria-pressed="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.tabs{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:2px}
.tabs::-webkit-scrollbar{display:none}
.tab{font:inherit;font-weight:500;font-size:16px;display:inline-flex;align-items:center;gap:8px;white-space:nowrap;background:#fff;border:1px solid var(--line);color:var(--ink2);border-radius:14px;padding:8px 14px;min-height:46px;cursor:pointer}
.tab .n{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;background:#edf1f3;color:var(--ink2);font-size:13.5px;font-weight:700}
.tab[aria-selected="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.tab[aria-selected="true"] .n{background:#fff;color:var(--ink)}
.tab.done .n{background:var(--mint);color:#fff}
.tab:disabled{opacity:.5;cursor:default}
.labwrap{display:flex;flex-direction:column;gap:12px;flex:1;min-height:0}
.lab{display:grid;grid-template-columns:1fr;gap:12px;flex:1}
.stage{position:relative;overflow:hidden;padding:0;min-height:300px}
.side{padding:16px 18px 18px;display:flex;flex-direction:column;gap:11px}
.side h2{margin:0;font-size:22px;line-height:1.25}
.say{margin:0;display:flex;gap:10px;align-items:flex-start}
.say .who{flex:none;font-weight:700;font-size:14px;border-radius:10px;padding:2px 9px;margin-top:2px}
.who.maya{background:#d8f1ef;color:#1d6a66}.who.savta{background:#f4e6d3;color:#7a4b1c}.who.ah{background:#e3eaf6;color:#36507f}.who.noga{background:#e2f1dc;color:#3d6526}.who.mocher{background:#f3e9da;color:#6e4b22}.who.tal{background:#e3eaf6;color:#36507f}
.say p{margin:0;color:var(--ink2)}
.sp{margin:0;color:var(--ink2)}
.ctl{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.btn{font:inherit;font-weight:500;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 20px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--mintdk);cursor:pointer;font-size:17px}
.btn.pri{background:var(--mint);border-color:var(--mint);color:#fff}
.btn.pri:active{background:var(--mintdk)}
.btn:disabled{opacity:.45;cursor:default}
.btn:focus-visible,.opt:focus-visible,.tab:focus-visible,.tbtn:focus-visible,.step:focus-visible{outline:3px solid var(--acc);outline-offset:2px}
.q{margin:2px 0 0;font-weight:500;font-size:17.5px}
.opts{display:flex;flex-direction:column;gap:8px;width:100%}
.opt{font:inherit;text-align:right;background:#fff;border:1.5px solid var(--line);border-radius:14px;padding:10px 14px;min-height:48px;color:var(--ink);cursor:pointer;display:flex;gap:10px;align-items:center}
.opt[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.opt.ok{background:var(--okbg);border-color:var(--okb);color:var(--okt)}
.opt.no{background:var(--badbg);border-color:var(--badb);color:var(--badt)}
.opt:disabled{cursor:default}
.note{border-radius:14px;padding:10px 14px;margin:0}
.note.ok{background:var(--okbg);border:1px solid var(--okb);color:var(--okt)}
.note.warn{background:var(--warnbg);border:1px solid var(--warnb);color:var(--warnt)}
.note.bad{background:var(--badbg);border:1px solid var(--badb);color:var(--badt)}
.note.info{background:var(--skybg);border:1px solid #c8dcef;color:#26507a}
.note b{font-weight:700}
textarea{font:inherit;width:100%;min-height:96px;border:1.5px solid var(--line);border-radius:14px;padding:10px 12px;resize:vertical;color:var(--ink)}
textarea:focus{outline:3px solid var(--mint);outline-offset:1px}
table.data{border-collapse:separate;border-spacing:0;width:100%;font-size:15.5px;font-variant-numeric:tabular-nums}
table.data th{background:#eef3f4;color:var(--ink2);font-weight:500;padding:7px 8px;text-align:center}
table.data th:first-child{border-radius:0 10px 10px 0}table.data th:last-child{border-radius:10px 0 0 10px}
table.data td{padding:7px 8px;text-align:center;border-bottom:1px solid #edf1f3}
td.up{color:#1f6d4f;font-weight:700}td.down{color:#a33a17;font-weight:700}
.foot{margin-top:auto;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;align-items:center}
.fb{display:inline-flex;align-items:center;gap:6px;color:var(--soft);font-size:14px;text-decoration:none;background:rgba(255,255,255,.88);border-radius:999px;padding:4px 12px;border:1px solid var(--line)}
.credit{color:var(--soft);font-size:13.5px}
canvas.full{display:block;width:100%;height:100%}
.tpanel{padding:20px 22px;display:flex;flex-direction:column;gap:12px;max-width:900px;margin:0 auto;width:100%}
.tpanel h2{margin:0;font-size:24px}
.tpanel h3{margin:8px 0 0;font-size:18.5px;color:var(--mintdk)}
.tpanel p,.tpanel li{color:var(--ink2);margin:0}
.tpanel ul{margin:0;padding-inline-start:20px;display:flex;flex-direction:column;gap:4px}
.mlslot{display:inline-flex}
@media (min-width:900px){
  main{padding:14px 20px 10px;height:100vh;min-height:620px}
  .lab{grid-template-columns:minmax(0,1fr) 400px;grid-template-rows:minmax(0,1fr);align-items:stretch;min-height:0}
  .stage{min-height:0}
  .side{overflow:auto;max-height:100%}
  .top h1{font-size:27px}
}
@media (max-width:899px){.stage{height:auto}}
@media (max-width:440px){body{font-size:16.5px}.top{padding:8px 11px}.top h1{font-size:21px}.dur{font-size:14px;padding:4px 10px}.tab{font-size:15px;padding:7px 11px}.side{padding:14px 14px 16px}.side h2{font-size:20px}}
body.proj{font-size:20px}.proj .btn{font-size:21px;min-height:56px}.proj .side h2{font-size:28px}.proj .tab{font-size:19px}.proj .opt{font-size:20px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

.stage{display:flex;flex-direction:column}
.stage.pad{padding:8px}
.bench{position:relative;flex:1;min-height:0;display:flex}
.bcanvas{display:block;width:100%;height:100%;min-height:300px;touch-action:none;cursor:grab;border-radius:18px 18px 0 0}
.hud{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.95);border:1px solid var(--line);border-radius:14px;padding:6px 14px;display:flex;flex-direction:column;align-items:center;line-height:1.15;pointer-events:none;min-width:8.5em}
.hud .lbl{font-size:14px;color:var(--soft)}
.hud b{font-size:36px;font-variant-numeric:tabular-nums}
.bbar{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:10px;padding:10px 12px;background:#2d3a45;color:#fff;border-radius:0 0 18px 18px}
.blbl{display:inline-flex;align-items:center;gap:6px;font-weight:500}
.dval{font-size:22px;min-width:4.4em;text-align:center;background:#fff;color:var(--ink);border-radius:10px;padding:2px 10px;font-variant-numeric:tabular-nums}
.step{font:inherit;width:44px;height:44px;flex:none;border-radius:12px;border:1.5px solid #5c6c73;background:#fff;color:var(--ink);display:grid;place-items:center;cursor:pointer}
.step:disabled{opacity:.4;cursor:default}
.bbar .btn.pri{background:var(--acc);border-color:var(--acc)}
.seg{display:flex;gap:6px;padding:10px 10px 0}
.segb{font:inherit;font-weight:500;font-size:16px;border-radius:12px;border:1.5px solid var(--line);background:#fff;color:var(--ink2);padding:6px 16px;min-height:42px;cursor:pointer}
.segb[aria-selected="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.segbody{flex:1;min-height:0;display:flex;flex-direction:column;padding-top:8px}
.gwrap{flex:1;min-height:0;padding:0 8px 8px}
@media (max-width:899px){.stage canvas.full{height:56vh;min-height:280px}.bcanvas{height:48vh;min-height:280px}.gwrap canvas.full{height:52vh}}
@media (max-width:440px){.hud b{font-size:28px}.dval{font-size:19px}.bbar{gap:8px}}

/* two-level track chooser (shared spec) */
.start{padding:18px 20px;display:flex;flex-direction:column;gap:12px;max-width:920px;margin:0 auto;width:100%}
.start .hero{display:flex;gap:16px;align-items:center}
.start .hero img{width:240px;height:auto;aspect-ratio:1200/630;object-fit:cover;border-radius:14px;flex:none;display:block}
.start .hero .sp{font-size:17px}
.trkh{margin:4px 0 0;font-size:18px;color:var(--ink)}
.trkpair{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.trkc{font:inherit;text-align:right;display:flex;gap:12px;align-items:center;background:#fff;border:1.5px solid var(--line);border-radius:16px;padding:12px 14px;min-height:76px;cursor:pointer;color:var(--ink);width:100%}
.trkc:hover,.trkc[aria-pressed="true"]{border-color:var(--mint)}
.trkc:focus-visible,.tchip:focus-visible,.numin:focus-visible{outline:3px solid var(--acc);outline-offset:2px}
.trkc .ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--okbg);color:var(--mintdk);flex:none}
.trkc .ic .i{width:24px;height:24px}
.trkc .tx{display:flex;flex-direction:column;min-width:0}
.trkc b{font-size:17.5px;font-weight:700;line-height:1.25}
.trkc .ln{color:var(--ink2);font-size:15px;line-height:1.3}
.trkc .mt{color:var(--soft);font-size:14px;margin-top:2px}
.trknote{margin:0;color:var(--soft);font-size:14.5px}
.tchip{font:inherit;font-size:15px;font-weight:500;display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);color:var(--mintdk);border-radius:999px;padding:5px 12px;cursor:pointer;min-height:36px;white-space:nowrap}
.tchip:hover{border-color:var(--mint)}
.tchip .sw{width:.95em;height:.95em;opacity:.7}
.numrow{gap:8px}
.numin{font:inherit;font-size:18px;width:7.5em;min-height:48px;border:1.5px solid var(--line);border-radius:14px;padding:0 12px;text-align:center;color:var(--ink);font-variant-numeric:tabular-nums}
.numin.ok{background:var(--okbg);border-color:var(--okb);color:var(--okt)}
.unit{color:var(--ink2);font-weight:500}
.summ{border:1.5px solid var(--okb);background:#f7fbf9;border-radius:16px;padding:12px 16px;display:flex;flex-direction:column;gap:6px}
.summ h3{margin:0;font-size:18.5px;color:var(--mintdk)}
.summ .sl{margin:4px 0 0;font-weight:700;color:var(--ink);font-size:15.5px}
.summ ul{margin:0;padding-inline-start:20px;color:var(--ink2);display:flex;flex-direction:column;gap:3px}
.lightchips{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:12px 12px 4px}
.lightchips .chl{color:var(--ink2)}
.lightchips .chip{background:#fff;color:var(--ink);border-color:var(--line)}
.lightchips .chip[aria-pressed="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.start .hero canvas.heroart{width:260px;height:150px;border-radius:14px;flex:none;display:block;background:#eef3ef}
@media (max-width:560px){.start .hero canvas.heroart{width:100%;height:170px}}
@media (max-width:560px){.trkpair{grid-template-columns:1fr}.start{padding:14px}.start .hero{flex-direction:column;align-items:stretch;gap:10px}.start .hero img{width:100%}}

/* tracks-depth v1 (shared look for the 10 bio sims; Nov 11) */
.start{position:relative;isolation:isolate;overflow:hidden;border:0;padding-top:170px;box-shadow:0 2px 6px rgba(20,40,60,.08),0 18px 40px rgba(20,40,60,.16)}
.start::before{content:"";position:absolute;inset:-8px;z-index:-2;background:var(--trkbg) center 30%/cover no-repeat;filter:saturate(1.05)}
.start::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(255,255,255,0) 0%,rgba(255,255,255,.08) 22%,rgba(246,249,248,.70) 48%,rgba(246,249,248,.90) 70%,rgba(246,249,248,.94) 100%)}
.start .hero>img,.start .hero>canvas,.start .hero canvas.heroart{display:none!important}
.start .hero .herot,.start .hero>div:not(:first-child){background:rgba(255,255,255,.82);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:16px;padding:12px 16px;box-shadow:0 6px 18px rgba(20,40,60,.14)}
.trkh{font-size:19px;font-weight:700}
.trkpair{gap:14px}
.trkc{position:relative;border:1px solid rgba(255,255,255,.9);border-radius:18px;padding:14px 16px;min-height:88px;
  background:linear-gradient(165deg,#ffffff 0%,#f8fbfa 60%,#eff5f3 100%);
  box-shadow:0 1px 2px rgba(20,40,60,.08),0 10px 24px rgba(20,40,60,.14);transition:transform .18s ease,box-shadow .18s ease,border-color .18s}
.trkc:hover,.trkc[aria-pressed="true"]{transform:translateY(-3px);box-shadow:0 2px 4px rgba(20,40,60,.10),0 16px 34px rgba(20,40,60,.20);border-color:var(--trkacc,#3f9a86)}
.trkc .ic{width:58px;height:58px;border-radius:16px;box-shadow:inset 0 -3px 0 rgba(0,0,0,.06),0 4px 10px rgba(20,40,60,.12)}
.trkc .ic .i{width:30px;height:30px;stroke-width:2.1}
.trkc[data-track="basic"] .ic{background:linear-gradient(145deg,#e9f6f0,#bfe3d4);color:#2a6f60}
.trkc[data-track="adv"] .ic{background:linear-gradient(145deg,#fdf1e2,#f3cf9f);color:#9a5a12}
.trkc b{font-size:18.5px}
.trknote{color:#4a5470}
@media (max-width:560px){.start{padding-top:150px}.trkc{min-height:78px}.trkc .ic{width:50px;height:50px}}
@media (prefers-reduced-motion:reduce){.trkc{transition:none}.trkc:hover{transform:none}}
.start{--trkbg:url(img/start-bg.webp)}