.pagina-lab{background: var(--papel);min-height:100vh;font-family:"Atkinson Hyperlegible",system-ui,sans-serif;color: var(--tinta);}
.lab-app{max-width:1000px;margin:0 auto;padding:24px 20px 60px;}
.lab-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:28px;flex-wrap:wrap;}
.lab-head h1{font-family:"Fraunces",serif;font-weight:600;font-size:30px;margin:0;display:flex;gap:8px;align-items:center;}
.lab-sub{color:#6b6b6b;font-size:14px;margin:4px 0 0;}
.lab-head-right{display:flex;gap:8px;}
.btn{background:#1a1a1a;color:#fff;border:none;border-radius:10px;padding:10px 16px;font:inherit;font-weight:700;cursor:pointer;}
.btn-sec{background: var(--papel);color: var(--tinta);border:1px solid #d8d4cc;border-radius:10px;padding:10px 16px;font:inherit;font-weight:700;cursor:pointer;}
.btn:hover{opacity:.88;}
.lab-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;}
.lab-card{background: var(--papel);border:1px solid #e6e2da;border-radius:14px;padding:18px;cursor:pointer;transition:box-shadow .15s;}
.lab-card:hover{box-shadow:0 4px 16px rgba(0,0,0,.08);}
.lab-card-top{display:flex;justify-content:space-between;align-items:center;}
.emoji{font-size:30px;}
.badge{background: var(--papel);color:#555;border-radius:999px;padding:3px 10px;font-size:12px;font-weight:700;}
.badge-sm{background: var(--papel);color:#555;border-radius:6px;padding:2px 8px;font-size:11px;font-weight:700;}
.lab-card h3{font-family:"Fraunces",serif;font-weight:600;margin:12px 0 4px;font-size:18px;}
.foco{font-size:13px;margin:0;}
.desc{font-size:13px;color:#666;margin:6px 0 0;}
.muted{color:#6b6b6b;font-size:14px;}
.err{color:#b3261e;font-size:13px;}
.link-back{display:inline-block;margin-bottom:14px;color:#6b6b6b;text-decoration:none;font-size:14px;}
.lab-center{display:flex;justify-content:center;}
.lab-card-form{background: var(--papel);border:1px solid #e6e2da;border-radius:16px;padding:22px;max-width:480px;width:100%;display:flex;flex-direction:column;gap:10px;}
.lab-card-form h2{font-family:"Fraunces",serif;margin:0 0 6px;}
.lab-card-form label{display:flex;flex-direction:column;gap:4px;font-size:13px;font-weight:700;}
.lab-card-form input,.lab-card-form textarea,.lab-card-form select{border:1px solid #d8d4cc;border-radius:8px;padding:9px 10px;font:inherit;}
.emoji-row{display:flex;flex-wrap:wrap;gap:6px;}
.emoji-btn{font-size:22px;width:40px;height:40px;border:1px solid #d8d4cc;border-radius:8px;background: var(--papel);cursor:pointer;}
.emoji-btn.sel{border-color:#1a1a1a;background: var(--papel);}
.lab-empty{text-align:center;padding:60px 20px;border:2px dashed #d8d4cc;border-radius:14px;}
.lab-empty .big{font-size:48px;margin:0 0 8px;}
.sala-head{display:flex;gap:14px;align-items:center;margin:8px 0 6px;}
.big-emoji{font-size:40px;}
.sala-head h1{font-family:"Fraunces",serif;font-weight:600;margin:0;font-size:26px;}
.sala-meta{display:flex;align-items:center;gap:6px;margin-top:4px;font-size:14px;}
.tabs{display:flex;gap:6px;border-bottom:1px solid #e6e2da;margin:18px 0;flex-wrap:wrap;}
.tab{background:none;border:none;border-bottom:2px solid transparent;padding:8px 12px;font:inherit;font-weight:700;cursor:pointer;color:#6b6b6b;}
.tab.sel{color: var(--tinta);border-color:#1a1a1a;}
.tool-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;}
.tool-card{background: var(--papel);border:1px solid #e6e2da;border-radius:14px;padding:18px;}
.tool-card h3{font-family:"Fraunces",serif;margin:0 0 6px;font-size:17px;}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:10px;}
.col{display:flex;flex-direction:column;gap:8px;margin:8px 0;}
.crono{font-family:ui-monospace,monospace;font-size:42px;text-align:center;margin:14px 0;}
.res{font-size:18px;font-weight:700;margin-top:10px;}
.mapa{width:100%;height:300px;border:0;border-radius:10px;}
.q{font-weight:700;margin:6px 0;}
.opt{display:block;width:100%;text-align:left;border:1px solid #d8d4cc;border-radius:8px;padding:9px 12px;background: var(--papel);font:inherit;cursor:pointer;margin-bottom:6px;}
.opt.ok{border-color:#2e7d32;background: var(--papel);}
.opt.err{border-color:#b3261e;background: var(--papel);}
.ok-txt{color:#2e7d32;font-weight:700;}
.err-txt{color:#b3261e;font-weight:700;}
.desafio-card{background: var(--papel);border:1px solid #e6e2da;border-radius:12px;padding:14px;display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;gap:10px;}
.des-enun{font-weight:600;margin:4px 0;}
.small{font-size:12px;}
.empty{border:2px dashed #d8d4cc;border-radius:10px;padding:24px;text-align:center;}
.row-between{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;gap:10px;flex-wrap:wrap;}
.modal-wrap{position:fixed;inset:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:50;padding:16px;}
.modal{max-width:500px;}
@media(max-width:600px){.lab-head{align-items:flex-start;}.lab-head h1{font-size:24px;}.sala-head h1{font-size:22px;}}

/* ===== Laboratório dentro do painel ===== */
.lab-salas{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:.8rem}
.lab-sala{height:100%;display:flex;gap:.8rem;align-items:flex-start;background:var(--papel);border:1px solid var(--linha);
  border-left:5px solid var(--cor-sala,var(--petroleo));border-radius:10px;padding:1rem}
.lab-ic{font-size:1.6rem;line-height:1;flex:none;width:44px;height:44px;display:grid;place-items:center;border-radius:10px;
  background:color-mix(in srgb,var(--cor-sala,#123243) 12%,#fff)}
.lab-ic.grande{width:60px;height:60px;font-size:2rem}
.lab-corpo{flex:1;min-width:0}
.lab-corpo h3{margin:.1rem 0 .2rem}
.lab-acoes{display:flex;flex-direction:column;gap:.3rem;flex:none}
.lab-cabeca{display:flex;gap:1rem;align-items:flex-start;background:var(--papel);border:1px solid var(--linha);
  border-top:5px solid var(--cor-sala,var(--petroleo));border-radius:var(--raio-g);padding:1.1rem 1.3rem;margin-bottom:1rem}
.lab-cabeca h1{margin:.1rem 0 .3rem}
.lab-desafio{background:var(--papel);border:1px solid var(--linha);border-radius:var(--raio-g);padding:1rem 1.2rem;margin-bottom:.8rem}
.ld-topo{display:flex;gap:.7rem;align-items:flex-start;margin-bottom:.5rem}
.ld-num{flex:none;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--petroleo);color:#fff;font-weight:700}
.lab-entrega{margin-top:.8rem;background:var(--fundo);border-radius:var(--raio);padding:.8rem}
.lab-entrega input{margin-top:.4rem}
.lab-recebida{background:var(--papel);border:1px solid var(--linha);border-left:4px solid var(--petroleo);border-radius:0 6px 6px 0;padding:.8rem 1rem;margin-bottom:.6rem}
.lab-encontro{background:var(--papel);border:1px solid var(--linha);border-radius:var(--raio-g);padding:1rem 1.2rem;margin-bottom:.8rem}
.lab-encontro.vivo{border-left:5px solid var(--erro)}
.lab-encontro header h3{margin:0}
.lab-presenca{margin-top:.8rem}

.lab-modulo{margin-top:.8rem}
.lab-modulo .modulo-frame{width:100%;height:min(70vh,640px);height:min(70dvh,640px);border:1px solid var(--linha);border-radius:var(--raio);background: var(--papel);display:block}

/* ===== Bancada virtual ===== */
.bancada-topo{margin-bottom:.8rem}
.tp-grade{display:grid;grid-template-columns:repeat(18,minmax(38px,1fr));gap:2px;margin:12px 0;overflow-x:auto;padding-bottom:6px}
.tp-cel{border:1px solid var(--linha);border-top:3px solid var(--cor-fam);border-radius:4px;background: var(--papel);
  padding:3px 2px;cursor:pointer;font-family:inherit;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:46px}
.tp-cel:hover{background:color-mix(in srgb,var(--cor-fam) 12%,#fff)}
.tp-cel small{font-size:.55rem;color:var(--tinta-3);line-height:1}
.tp-cel strong{font-size:.86rem;line-height:1.1}
.tp-cel span{font-size:.5rem;color:var(--tinta-3);line-height:1;text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}
.legenda-fam{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:.4rem}
.legenda-fam .fam{font-size:.72rem;padding:2px 9px;border-radius:999px;border:1px solid var(--linha);border-left:4px solid var(--cor-fam);background: var(--papel)}
.ficha-elemento{margin-top:10px}
.el-cartao{display:flex;gap:1rem;align-items:flex-start;background:var(--papel);border:1px solid var(--linha);border-left:5px solid var(--cor-fam);border-radius:var(--raio-g);padding:1rem 1.2rem}
.el-simbolo{flex:none;width:86px;height:86px;border-radius:10px;display:grid;place-items:center;background:color-mix(in srgb,var(--cor-fam) 14%,#fff)}
.el-simbolo strong{font-family:var(--titulo);font-size:2rem;line-height:1}
.el-simbolo small{font-size:.7rem;color:var(--tinta-3)}
.bancada-mesa{display:grid;grid-template-columns:230px 1fr;gap:1rem;align-items:start;margin:12px 0}
@media(max-width:760px){.bancada-mesa{grid-template-columns:1fr}.tp-grade{grid-template-columns:repeat(18,34px)}}
.recipiente{position:relative;height:210px;border:3px solid #9DB2BD;border-top-color:transparent;border-radius:0 0 14px 14px;background:linear-gradient(#fff,#f4f7f8);overflow:hidden}
.recipiente.erlen{clip-path:polygon(36% 0,64% 0,100% 100%,0 100%);border-radius:0}
.recipiente.tubo{width:76px;margin:0 auto;border-radius:0 0 38px 38px}
.recipiente.proveta{width:96px;margin:0 auto}
.recipiente.bunsen{border:0;background:radial-gradient(circle at 50% 78%,#2F5233 0 18%,transparent 19%)}
.recipiente::after{content:"";position:absolute;left:0;right:0;bottom:0;height:0;background:var(--liquido,transparent);transition:height .4s}
.recipiente.cheio::after{height:56%}
.recipiente.borbulha::after{background-image:radial-gradient(circle,rgba(255,255,255,.85) 2px,transparent 3px);background-size:22px 22px;animation:sobe 1.1s linear infinite}
@keyframes sobe{from{background-position:0 0}to{background-position:0 -22px}}
.recipiente.quente{box-shadow:inset 0 -30px 40px -30px #C1642E}
.recipiente.precipita::before{content:"";position:absolute;left:6%;right:6%;bottom:4px;height:16px;border-radius:8px;background:var(--liquido);filter:brightness(.8);z-index:2}
.rotulo-vidro{position:absolute;top:8px;left:0;right:0;text-align:center;font-size:.72rem;color:var(--tinta-3)}
.subs{display:grid;grid-template-columns:repeat(auto-fill,minmax(122px,1fr));gap:6px;margin:.4rem 0}
.sub-frasco{border:1.5px solid var(--linha);border-left:6px solid var(--cor-sub);border-radius:6px;background: var(--papel);padding:7px 9px;cursor:pointer;font:inherit;text-align:left}
.sub-frasco:hover{border-color:var(--petroleo)}
.sub-frasco strong{display:block;font-size:.9rem}
.sub-frasco span{font-size:.74rem;color:var(--tinta-3)}
.equacao{font-family:var(--titulo);font-size:1.05rem;background: var(--papel);border:1px dashed var(--linha-2);border-radius:6px;padding:.5rem .7rem;display:inline-block}
.resultado-exp{margin-top:.6rem}
.sim-caixa{background:var(--papel);border:1px solid var(--linha);border-radius:var(--raio-g);padding:1rem 1.2rem;margin-top:.8rem}
.sim-caixa .slider{display:block;margin-bottom:.7rem;font-size:.92rem}
.sim-caixa .slider input{width:100%}
.resultado-sim{font-family:var(--titulo);font-size:1.25rem}
.grafico{width:100%;height:190px;background: var(--papel);border:1px solid var(--linha);border-radius:var(--raio)}

.tp-cel.apagado{opacity:.22;filter:grayscale(1)}
.tp-cel.realce{box-shadow:0 0 0 2px var(--cor-fam) inset}
.legenda-fam .fam{cursor:pointer;font:inherit;font-size:.72rem;padding:3px 10px}
.legenda-fam .fam.on{background:var(--cor-fam);color:#fff;border-color:var(--cor-fam)}
.legenda-fam .fam small{opacity:.7}
.legenda-fam .fam.limpar{border-left-color:var(--tinta-3);font-weight:700}
.cena-caixa{margin:.4rem 0 1rem}
.cena{width:100%;height:260px;background: var(--papel);border:1px solid var(--linha);border-radius:var(--raio)}
.cena.atomo{height:300px}
.coef{width:56px;padding:6px;text-align:center;border:1.5px solid var(--linha);border-radius:5px;font:inherit;min-height:38px}
.equacao-jogo{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-family:var(--titulo);font-size:1.15rem;margin:.6rem 0}
.equacao-jogo .form-q{margin-right:4px}
.equacao-jogo .seta{color:var(--terra);font-weight:700;margin:0 6px}