:root{
  --tinta:#13213a; --tinta-2:#4a5a74; --tinta-3:#7c8aa1;
  --papel:#f6f7fb; --cartao:#ffffff; --linha:#e3e7ef;
  --azul:#1d4f9c; --azul-claro:#e8effb; --ciano:#36c2d9;
  --palco-a:#0b1626; --palco-b:#17304f;
  --raio:14px;
  --sombra:0 1px 2px rgba(19,33,58,.06),0 6px 24px rgba(19,33,58,.08);
  --fonte:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;height:100%;background:var(--papel);color:var(--tinta);font:15px/1.5 var(--fonte);-webkit-text-size-adjust:100%}
button{font:inherit;color:inherit;cursor:pointer}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

#app{display:grid;grid-template-columns:340px 1fr 380px;height:100vh;height:100dvh}

/* ---------- lista ---------- */
#painel-lista{display:flex;flex-direction:column;min-height:0;background:var(--cartao);border-right:1px solid var(--linha)}
.topo{display:flex;align-items:center;justify-content:space-between;padding:16px 16px 10px;padding-top:max(16px,env(safe-area-inset-top))}
.marca{display:flex;gap:10px;align-items:center}
.marca img{border-radius:9px}
.marca strong{display:block;font-size:19px;letter-spacing:-.01em;line-height:1.1}
.marca span{font-size:12px;color:var(--tinta-3)}
.icone{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:10px;border:0;background:transparent;color:var(--tinta-2)}
.icone:hover{background:var(--azul-claro);color:var(--azul)}
.busca{display:flex;align-items:center;gap:8px;margin:4px 16px 6px;padding:0 12px;height:42px;border-radius:12px;background:var(--papel);border:1px solid var(--linha);color:var(--tinta-3)}
.busca:focus-within{border-color:var(--azul);box-shadow:0 0 0 3px var(--azul-claro)}
.busca input{flex:1;border:0;background:transparent;outline:0;font:inherit;color:var(--tinta);min-width:0}
.contagem{font-size:12px;color:var(--tinta-3);padding:2px 18px 8px}
.lista-wrap{position:relative;flex:1;min-height:0;display:flex}
#lista{list-style:none;margin:0;padding:0 26px 24px 8px;overflow-y:auto;flex:1;scroll-behavior:smooth}
#lista li{display:grid;grid-template-columns:56px 1fr;gap:12px;align-items:center;padding:8px;border-radius:12px;cursor:pointer}
#lista li:hover{background:var(--papel)}
#lista li[aria-selected=true]{background:var(--azul-claro)}
#lista li img{width:56px;height:56px;border-radius:10px;background:#000;object-fit:cover}
#lista .n{font-weight:600;line-height:1.25}
#lista .f{font-size:13px;color:var(--azul);font-variant-numeric:tabular-nums}
#lista .d{font-size:12px;color:var(--tinta-3);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
#lista .letra{display:block;padding:14px 10px 4px;font-size:12px;font-weight:700;color:var(--tinta-3);cursor:default;grid-template-columns:none}
#lista .letra:hover{background:none}
#indice{position:absolute;right:2px;top:0;bottom:12px;display:flex;flex-direction:column;justify-content:space-around;width:20px}
#indice button{border:0;background:none;padding:0;font-size:10.5px;font-weight:600;color:var(--tinta-3);line-height:1}
#indice button:disabled{opacity:.3;cursor:default}
#indice button:not(:disabled):hover{color:var(--azul)}
.vazio-lista{padding:30px 18px;color:var(--tinta-3);text-align:center}

/* ---------- palco ---------- */
#palco{position:relative;min-width:0;background:radial-gradient(120% 90% at 50% 35%,var(--palco-b),var(--palco-a));color:#fff;overflow:hidden}
#tela3d{position:absolute;inset:0;width:100%;height:100%;touch-action:none;cursor:grab}
#tela3d:active{cursor:grabbing}
.palco-topo{position:absolute;z-index:2;left:0;right:0;top:0;display:flex;gap:6px;align-items:flex-start;padding:18px 22px;padding-top:max(18px,env(safe-area-inset-top));pointer-events:none;background:linear-gradient(rgba(11,22,38,.7),transparent)}
.palco-topo>*{pointer-events:auto}
.titulo h1{margin:0;font-size:26px;line-height:1.15;letter-spacing:-.015em;font-weight:650}
.formula{font-size:17px;color:#9fd8e6;font-variant-numeric:tabular-nums;margin-top:2px}
.voltar{display:none;color:#fff}
.voltar:hover{background:rgba(255,255,255,.12);color:#fff}
.vazio{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;gap:16px;text-align:center;color:#b9c6da;padding:24px}
.vazio img{background:#fff;border-radius:12px;padding:10px 14px}
.ferramentas{position:absolute;z-index:2;left:50%;bottom:22px;bottom:max(22px,env(safe-area-inset-bottom));transform:translateX(-50%);display:flex;gap:8px;align-items:center;padding:6px;border-radius:16px;background:rgba(12,24,42,.72);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.08)}
.seg{display:flex;gap:2px}
.seg button{display:flex;align-items:center;gap:7px;height:38px;padding:0 12px;border:0;border-radius:11px;background:transparent;color:#c7d3e6;font-size:13.5px;white-space:nowrap}
.seg button:hover{background:rgba(255,255,255,.08)}
.seg button.ativo{background:#fff;color:var(--tinta)}
.icone.claro{color:#c7d3e6}
.icone.claro:hover{background:rgba(255,255,255,.1);color:#fff}
#btn-info{display:none}
.legenda{position:absolute;z-index:2;right:18px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:6px;font-size:12.5px;color:#c7d3e6}
.legenda span{display:flex;align-items:center;gap:7px}
.legenda i{width:12px;height:12px;border-radius:50%;box-shadow:inset 0 -2px 3px rgba(0,0,0,.35)}
.rotulo{position:absolute;z-index:3;pointer-events:none;transform:translate(-50%,-140%);background:#fff;color:var(--tinta);font-size:12.5px;font-weight:600;padding:3px 8px;border-radius:7px;box-shadow:var(--sombra)}

/* ---------- info ---------- */
#painel-info{min-height:0;background:var(--cartao);border-left:1px solid var(--linha);display:flex;flex-direction:column}
.alca{display:none}
.info-rolagem{overflow-y:auto;padding:22px 24px 40px}
#painel-info h2{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--tinta-3);margin:22px 0 10px}
#painel-info h2:first-child{margin-top:4px}
.dica{font-size:13px;color:var(--tinta-3);margin:-4px 0 10px}
.chips{display:flex;flex-direction:column;gap:6px}
.chips button{text-align:left;padding:9px 12px 9px 34px;border-radius:11px;border:1px solid var(--linha);background:var(--cartao);position:relative;font-size:14px;line-height:1.35}
.chips button::before{content:"";position:absolute;left:12px;top:13px;width:11px;height:11px;border-radius:50%;border:2px solid var(--tinta-3)}
.chips button:hover{border-color:var(--azul)}
.chips button.ativo{background:var(--azul);border-color:var(--azul);color:#fff}
.chips button.ativo::before{background:var(--ciano);border-color:#fff}
.texto p{margin:0 0 .8em}
.texto{font-size:15px;color:#24324a}
.ficha-btn{display:grid;grid-template-columns:72px 1fr;gap:12px;align-items:center;width:100%;text-align:left;margin:6px 0 4px;padding:10px;border-radius:12px;border:1px solid var(--linha);background:var(--papel)}
.ficha-btn:hover{border-color:var(--azul)}
.ficha-btn img{width:72px;height:72px;object-fit:cover;object-position:top left;border-radius:8px;border:1px solid var(--linha);background:#fff}
.ficha-btn strong{display:block;color:var(--azul)}
.ficha-btn span{font-size:13px;color:var(--tinta-3)}
.autores{font-size:14px;color:var(--tinta-2);margin:0}
.fonte{font-size:12px;color:var(--tinta-3);margin-top:26px}

/* ---------- diálogos ---------- */
.dlg{border:0;border-radius:18px;padding:28px;max-width:min(860px,94vw);max-height:90vh;box-shadow:0 20px 60px rgba(0,0,0,.35);color:var(--tinta)}
.dlg::backdrop{background:rgba(9,18,32,.6)}
.dlg form{position:absolute;right:12px;top:12px;margin:0}
.dlg h2{margin:0 0 14px;font-size:20px}
#ficha-img{display:block;max-width:100%;height:auto;margin:auto}
.sobre p{color:var(--tinta-2)}
.creditos{display:grid;grid-template-columns:1fr 1fr;gap:24px;font-size:13px}
.creditos h3{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--tinta-3);margin:14px 0 4px}
.creditos p{margin:0;color:var(--tinta-2)}
.apoio{display:block;width:100%;height:auto;margin-top:22px}

/* ---------- telas menores ---------- */
@media (max-width:1180px){
  #app{grid-template-columns:320px 1fr}
  #painel-info{position:fixed;right:0;top:0;bottom:0;width:380px;transform:translateX(100%);transition:transform .25s ease;z-index:10;box-shadow:var(--sombra)}
  #app.info-aberta #painel-info{transform:none}
  #btn-info{display:inline-grid}
  .legenda{display:none}
}
@media (max-width:760px){
  #app{display:block;position:relative;overflow:hidden}
  #painel-lista,#palco{position:absolute;inset:0}
  #palco{transform:translateX(100%);transition:transform .25s ease}
  #app[data-tela=mol] #palco{transform:none}
  .voltar{display:inline-grid;margin-left:-10px}
  .titulo h1{font-size:21px}
  .formula{font-size:15px}
  .seg button span{display:none}
  .seg button{padding:0 11px}
  #painel-info{left:0;right:0;top:auto;width:auto;height:62vh;border-radius:18px 18px 0 0;transform:translateY(100%)}
  #app.info-aberta #painel-info{transform:none}
  .alca{display:block;width:42px;height:5px;border-radius:3px;background:var(--linha);margin:9px auto 0;flex:none}
  .info-rolagem{padding-top:8px}
  .creditos{grid-template-columns:1fr}
  .dlg{padding:22px 18px}
}