/* estilo.css — v2 (DESIGN.md §3-4): fundo quase-preto, tabuleiro escuro, quatro
 * cores de canal (rust/blue/green/magenta), destaque amarelo. Sem fonte externa.
 * Alvo: legivel num print de celular no X, num video 1080x1080 e 1080x1920. */
:root {
  --bg: #07090F;
  --painel: #0F1219;
  --painel-2: #161B26;
  --borda: #232A38;
  --fantasma: rgba(58, 63, 75, .25);
  --texto: #E8ECF1;
  --texto-2: #9AA4B2;
  --rei: #C2562A;
  --torre: #3B82F6;
  --bispo: #22C55E;
  --cavalo: #D946EF;
  --destaque: #FACC15;
  --olho: #B3261E;
  --alerta: #FF6B6B;
  --casa-clara: #3B4150;
  --casa-escura: #1B1E26;
  --raio: 12px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--texto); }
body { line-height: 1.45; -webkit-font-smoothing: antialiased; }
a { color: var(--destaque); }
button {
  font: inherit; color: var(--texto); background: var(--painel-2);
  border: 1px solid var(--borda); border-radius: 8px; padding: 8px 12px;
  cursor: pointer; transition: background .15s, border-color .15s, transform .08s;
}
button:hover { background: #1E2533; border-color: #34405A; }
button:active { transform: translateY(1px); }
button.primario { background: var(--destaque); color: #14110a; border-color: var(--destaque); font-weight: 600; }
button.primario:hover { background: #FFD84A; }
button[aria-pressed="true"] { border-color: var(--destaque); box-shadow: inset 0 0 0 1px var(--destaque); }
button:disabled { opacity: .5; cursor: default; }

.topo { padding: 20px clamp(12px, 3vw, 32px) 8px; max-width: 1280px; margin: 0 auto; }
.topo h1 { margin: 0; font-size: clamp(1.25rem, 2.6vw, 1.9rem); letter-spacing: -0.01em; line-height: 1.2; }
.topo h1 .mosca { color: var(--destaque); }
.topo .sub { margin: 6px 0 0; color: var(--texto-2); font-size: .95rem; }
/* faixa honesta: acima da dobra, numeros medidos, sem ressalva escondida */
.faixa-honesta { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 8px; margin: 10px 0 0;
  font-size: .95rem; font-weight: 600; letter-spacing: .01em; color: var(--texto); }
.faixa-honesta i { color: var(--texto-2); font-style: normal; }
.faixa-honesta small { font-weight: 400; color: var(--texto-2); }
.faixa-honesta a { color: var(--destaque); text-decoration-thickness: 1px; text-underline-offset: 3px; }

.app {
  display: grid; grid-template-columns: minmax(480px, 1fr) minmax(320px, 440px);
  gap: 20px; padding: 8px clamp(12px, 3vw, 32px) 40px; max-width: 1280px; margin: 0 auto;
  align-items: start;
}
@media (max-width: 700px) {
  .app { grid-template-columns: 1fr; gap: 14px; padding: 6px 10px 30px; }
  .topo { padding: 14px 10px 4px; }
  .faixa-honesta { font-size: .85rem; }
}

/* ---------- tabuleiro ---------- */
.coluna-tabuleiro { display: flex; flex-direction: column; gap: 10px; }
.tabuleiro-wrap { position: relative; width: min(100%, calc((100vh - 265px) * 800 / 920)); min-width: min(100%, 480px);
  margin: 0 auto; aspect-ratio: 800 / 920; }
.tabuleiro { width: 100%; height: 100%; display: block; overflow: visible;
  user-select: none; -webkit-tap-highlight-color: transparent; }
.tabuleiro .fundo { fill: #04060A; rx: 6; filter: drop-shadow(0 10px 30px rgba(0,0,0,.7)); }
.tabuleiro .casa.clara { fill: var(--casa-clara); }
.tabuleiro .casa.escura { fill: var(--casa-escura); }
/* casa de origem/destino do ultimo lance: a cor vem inline (canal que mais pesou) */
.tabuleiro .casa.ultimo { opacity: .42; }
.tabuleiro .casa.sel { fill: var(--destaque); opacity: .55; }
.tabuleiro image.peca { pointer-events: none; }
/* peca preta sobre casa escura: um halo claro fino garante a silhueta */
.tabuleiro image.peca.preta { filter: drop-shadow(0 0 1.5px rgba(255,255,255,.55)) drop-shadow(0 2px 3px rgba(0,0,0,.6)); }
.tabuleiro image.peca.branca { filter: drop-shadow(0 2px 3px rgba(0,0,0,.7)); }
.tabuleiro .alvo { fill: rgba(250, 204, 21, .35); pointer-events: none; }
.tabuleiro .alvo.captura { fill: none; stroke: rgba(250, 204, 21, .7); stroke-width: 6px; }
.tabuleiro .coord { font-size: 15px; fill: rgba(232,236,241,.45); pointer-events: none; font-weight: 600; }
.tabuleiro .seta { stroke-width: 12px; stroke-linecap: round; fill: none;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,.6)); pointer-events: none; opacity: 0; transition: opacity .2s; }
.tabuleiro .seta.visivel { opacity: .95; }
.tabuleiro .seta-ponta { pointer-events: none; opacity: 0; transition: opacity .2s; }
.tabuleiro .seta-ponta.visivel { opacity: .95; }
/* disparo do no de leitura ate a casa escolhida: tracejado correndo */
.tabuleiro .disparo { stroke: var(--destaque); stroke-width: 3px; fill: none; stroke-dasharray: 10 8;
  animation: corre .5s linear infinite; opacity: .9; pointer-events: none; }
@keyframes corre { to { stroke-dashoffset: -36; } }
/* o olho lendo o tabuleiro: um hexagono pisca sobre cada casa ocupada */
.tabuleiro .olho-casa { fill: none; stroke: var(--destaque); stroke-width: 3px; opacity: 0;
  animation: pisca-olho .55s ease-out forwards; pointer-events: none; }
@keyframes pisca-olho { 0% { opacity: 0; } 25% { opacity: .9; } 100% { opacity: 0; } }

/* ---------- a mosca (personagem, DESIGN.md §4.1) ---------- */
.mosca { transition: transform .38s cubic-bezier(.4, .1, .3, 1); will-change: transform; pointer-events: none; }
.mosca .corpo { transition: transform .3s ease; }
.mosca .paira { animation: paira 1.7s ease-in-out infinite; }
.mosca.voando .paira { animation: paira .5s ease-in-out infinite; }
.mosca.pousada .paira { animation: none; }
.mosca .asa { transform-box: fill-box; }
.mosca .asa-e { transform-origin: 100% 62%; transform: rotate(-14deg); }
.mosca .asa-d { transform-origin: 0% 62%; transform: rotate(14deg); }
.mosca .asa-membrana { fill: rgba(255, 255, 255, .14); stroke: rgba(156, 163, 175, .7); stroke-width: 1.1; }
.mosca .veia { stroke: #9CA3AF; stroke-width: 1; fill: none; opacity: .85; }
/* borrao de asa: so aparece voando, e o leque que a asa varre a ~200 Hz */
.mosca .asa-borrao { fill: rgba(255, 255, 255, .07); stroke: none; opacity: 0; transition: opacity .15s; }
.mosca.voando .asa-borrao { opacity: 1; }
/* bater de asas: 40 ms por meio ciclo -- vibra, nao "abana" */
.mosca.voando .asa-e { animation: bate-e .04s linear infinite alternate; }
.mosca.voando .asa-d { animation: bate-d .04s linear infinite alternate; }
.mosca.pousada .asa-e { transform: rotate(-6deg); }
.mosca.pousada .asa-d { transform: rotate(6deg); }
.mosca .perna { stroke: #3F2E1E; stroke-width: 2.2; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.mosca .torax { fill: #C8A165; stroke: #1C1917; stroke-width: 1.6; }
.mosca .torax-listra { stroke: #8A6A3E; stroke-width: 1.4; fill: none; opacity: .7; }
.mosca .escutelo { fill: #B8925A; stroke: #1C1917; stroke-width: 1.2; }
.mosca .abdomen { fill: #C8A165; stroke: #1C1917; stroke-width: 1.6; }
.mosca .listra { fill: #1C1917; }
.mosca .cabeca-corpo { fill: #C8A165; stroke: #1C1917; stroke-width: 1.6; }
.mosca .olho { fill: var(--olho); stroke: #6E1410; stroke-width: 1.2; }
.mosca .faceta { stroke: rgba(0,0,0,.28); stroke-width: .8; fill: none; }
.mosca .brilho { fill: rgba(255,255,255,.45); }
.mosca .antena { stroke: #1C1917; stroke-width: 1.4; fill: none; stroke-linecap: round; }
.mosca .haltere { stroke: #8A6A3E; stroke-width: 1.6; fill: none; stroke-linecap: round; }
.mosca .haltere-bola { fill: #E0C07A; stroke: #8A6A3E; stroke-width: 1; }
.mosca .proboscide { stroke: #1C1917; stroke-width: 1.6; stroke-linecap: round; }
@keyframes paira { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
@keyframes bate-e { from { transform: rotate(-4deg); } to { transform: rotate(-52deg); } }
@keyframes bate-d { from { transform: rotate(4deg); } to { transform: rotate(52deg); } }

/* ---------- a cabeca aberta (DESIGN.md §4.2-4.3): olho -> canais -> lance ---------- */
.cabeca { opacity: 0; transition: opacity .25s; pointer-events: none; }
.mosca.voando .cabeca, .mosca.pousada .cabeca { opacity: 1; }
.cabeca .cabeca-fundo { fill: rgba(7, 9, 15, .93); stroke: rgba(58, 63, 75, .6); stroke-width: 1.5; }
.cabeca .fantasma { fill: var(--fantasma); stroke: none; }
.cabeca .fantasma-olho { fill: rgba(179, 38, 30, .13); stroke: rgba(179, 38, 30, .3); stroke-width: 1; }
.cabeca .fantasma-traco { fill: none; stroke: rgba(58, 63, 75, .45); stroke-width: 1; }
.cabeca .pescoco { stroke: rgba(156, 163, 175, .5); stroke-width: 1.2; stroke-dasharray: 3 3; fill: none; }
.cabeca .hex { fill: rgba(58, 63, 75, .35); stroke: rgba(7, 9, 15, .8); stroke-width: .5; transition: fill .18s linear; }
.cabeca .ligacao { stroke: rgba(58, 63, 75, .55); stroke-width: 1; fill: none; transition: stroke .2s, opacity .2s; }
.cabeca .ligacao.ativa { stroke-width: 1.6; }
.cabeca .no-halo { opacity: .12; transition: r .18s ease-out, opacity .18s; }
.cabeca .no-nucleo { transition: opacity .18s; opacity: .55; }
.cabeca .no.aceso .no-nucleo { opacity: 1; }
.cabeca .no.aceso .no-halo { opacity: .35; }
.cabeca .leitura .no-halo { opacity: .08; }
.cabeca .leitura .no-nucleo { opacity: .25; }
.cabeca .leitura.aceso .no-halo { opacity: .45; animation: dispara .5s ease-out 2; }
.cabeca .leitura.aceso .no-nucleo { opacity: 1; }
@keyframes dispara { 0% { r: 12; opacity: .6; } 100% { r: 26; opacity: 0; } }
.cabeca .rotulo { font-size: 8.5px; fill: var(--texto-2); text-anchor: middle; letter-spacing: .02em; }
.cabeca .rotulo.canal { font-weight: 600; }
.cabeca .rotulo.passo { text-anchor: end; fill: var(--destaque); font-variant-numeric: tabular-nums; }
.cabeca .titulo { font-size: 7.5px; fill: var(--texto-2); text-transform: uppercase; letter-spacing: .12em; }
.cabeca rect.cel { transition: fill .15s linear; }

@media (prefers-reduced-motion: reduce) {
  .mosca, .mosca *, .cabeca, .cabeca * { animation: none !important; transition: none !important; }
  .mapa .cel, .barra-lance .preench, .tabuleiro .seta, .tabuleiro .seta-ponta, .tabuleiro .disparo, .tabuleiro .olho-casa { transition: none !important; animation: none !important; }
  .tabuleiro .olho-casa { opacity: .6; }
  .legenda-video, .legenda-sub { transition: none !important; }
}

/* ---------- status / controles ---------- */
.status { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap;
  background: var(--painel); border: 1px solid var(--borda); border-radius: var(--raio); padding: 10px 14px; }
.status .linha { font-weight: 600; font-size: 1.05rem; }
/* sem spinner: "pensando" e o proprio cerebro na tela; aqui so a cor muda */
.status .linha.pensando { color: var(--destaque); }
.status .fim { color: var(--destaque); }
.status .xeque { color: var(--alerta); }
.status .lances-contador { color: var(--texto-2); font-size: .9rem; }

.controles { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.controles label.busca { display: flex; align-items: center; gap: 8px; color: var(--texto-2); font-size: .9rem;
  background: var(--painel); border: 1px solid var(--borda); border-radius: 8px; padding: 7px 10px; cursor: pointer; }
.controles label.busca input { accent-color: var(--destaque); width: 16px; height: 16px; }
.nota-busca { color: var(--texto-2); font-size: .82rem; margin: 0; }

.lista-lances { background: var(--painel); border: 1px solid var(--borda); border-radius: var(--raio); padding: 10px 14px;
  max-height: 140px; overflow: auto; font-variant-numeric: tabular-nums; font-size: .95rem; }
.lista-lances .par { display: inline-block; margin-right: 12px; white-space: nowrap; }
.lista-lances .num { color: var(--texto-2); margin-right: 4px; }
.lista-lances .vazio { color: var(--texto-2); }

/* ---------- painel da mosca ---------- */
.coluna-painel { display: flex; flex-direction: column; gap: 14px; }
.cartao { background: var(--painel); border: 1px solid var(--borda); border-radius: var(--raio); padding: 14px; }
.cartao h2 { margin: 0 0 10px; font-size: 1rem; text-transform: uppercase; letter-spacing: .08em; color: var(--texto-2); font-weight: 600; }
.cartao h2 .passo { float: right; color: var(--destaque); text-transform: none; letter-spacing: 0; font-variant-numeric: tabular-nums; }
.cerebro { display: none; width: 100%; height: auto; }

.grades { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.grade { display: flex; flex-direction: column; gap: 6px; align-items: center; }
.grade .rotulo { font-size: .8rem; font-weight: 600; }
.grade[data-canal="rei"] .rotulo { color: var(--rei); }
.grade[data-canal="torre"] .rotulo { color: var(--torre); }
.grade[data-canal="bispo"] .rotulo { color: var(--bispo); }
.grade[data-canal="cavalo"] .rotulo { color: var(--cavalo); }
.mapa { width: 100%; aspect-ratio: 1 / 1; display: grid; grid-template-columns: repeat(8, 1fr); gap: 1px;
  background: var(--borda); border: 1px solid var(--borda); border-radius: 6px; overflow: hidden; }
.mapa .cel { background: #0B0E15; transition: background-color .15s linear; }
.mapa .cel.from, .mapa .cel.to { outline: 2px solid var(--destaque); outline-offset: -2px; }
.legenda-mapa { display: flex; align-items: center; gap: 8px; font-size: .78rem; color: var(--texto-2); margin-top: 8px; }
.legenda-mapa .barra { flex: 1; height: 8px; border-radius: 4px;
  background: linear-gradient(90deg, #0B0E15, #7A8290 55%, #E8ECF1); }

.raster-wrap { display: grid; grid-template-columns: auto 1fr; gap: 6px; align-items: stretch; margin-top: 10px; }
.raster-rotulos { display: grid; grid-template-rows: repeat(4, 1fr); font-size: .68rem; font-weight: 600; text-align: right; line-height: 1; }
.raster-rotulos span { display: flex; align-items: center; justify-content: flex-end; }
.raster-rotulos .rei { color: var(--rei); } .raster-rotulos .torre { color: var(--torre); }
.raster-rotulos .bispo { color: var(--bispo); } .raster-rotulos .cavalo { color: var(--cavalo); }
.raster { width: 100%; height: 64px; display: block; background: #0B0E15; border: 1px solid var(--borda); border-radius: 6px;
  image-rendering: pixelated; }
.legenda-raster { color: var(--texto-2); font-size: .74rem; margin: 6px 0 0; }

.barras { display: flex; flex-direction: column; gap: 6px; font-variant-numeric: tabular-nums; }
.barra-lance { display: grid; grid-template-columns: 4.2em 1fr 4.6em; gap: 8px; align-items: center; font-size: .92rem; }
.barra-lance .san { font-weight: 600; }
.barra-lance .trilho { height: 14px; background: var(--painel-2); border-radius: 7px; overflow: hidden; }
.barra-lance .preench { height: 100%; width: 0; background: #3A4256; border-radius: 7px; transition: width .35s ease; }
.barra-lance.escolhido .preench { background: var(--destaque); }
.barra-lance.escolhido .san { color: var(--destaque); }
.barra-lance .valor { text-align: right; color: var(--texto-2); }
.barras .vazio { color: var(--texto-2); font-size: .9rem; }
.legenda-barras { color: var(--texto-2); font-size: .8rem; margin: 8px 0 0; }

details.cartao summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; align-items: center; gap: 8px; }
details.cartao summary::-webkit-details-marker { display: none; }
details.cartao summary::before { content: "▸"; color: var(--destaque); transition: transform .15s; }
details.cartao[open] summary::before { transform: rotate(90deg); }
details.cartao .corpo { margin-top: 12px; font-size: .92rem; color: #D3D9E2; }
details.cartao .corpo p { margin: 0 0 8px; }
details.cartao .corpo .fonte { color: var(--texto-2); font-size: .82rem; }

table.parametros { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; font-size: .82rem; }
table.parametros th, table.parametros td { padding: 4px 6px; text-align: right; border-bottom: 1px solid var(--borda); }
table.parametros th:first-child, table.parametros td:first-child { text-align: left; }
table.parametros th { color: var(--texto-2); font-weight: 600; }
table.parametros td.canal { font-weight: 600; }
table.parametros tr[data-canal="rei"] td.canal { color: var(--rei); }
table.parametros tr[data-canal="torre"] td.canal { color: var(--torre); }
table.parametros tr[data-canal="bispo"] td.canal { color: var(--bispo); }
table.parametros tr[data-canal="cavalo"] td.canal { color: var(--cavalo); }
.vies { margin-top: 8px; font-size: .9rem; }
.vies b { color: var(--destaque); }
.equacao { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .8rem; color: var(--texto-2);
  background: var(--painel-2); border-radius: 8px; padding: 8px 10px; margin: 10px 0 0; overflow-x: auto; white-space: pre; }

.rodape { color: var(--texto-2); font-size: .82rem; text-align: center; padding: 0 12px 30px; }
.legendas[hidden] { display: none; }

@media (max-width: 700px) {
  .grades { gap: 6px; }
  .barra-lance { font-size: .85rem; }
}

/* ---------- modo de captura da imagem OG (?og=1): tabuleiro + painel, 1200x630 ---------- */
body.og .topo, body.og .rodape, body.og .controles, body.og .nota-busca, body.og .lista-lances,
body.og details.cartao, body.og .status, body.og .legenda-raster { display: none; }
body.og .app { grid-template-columns: 560px 1fr; gap: 24px; padding: 10px 20px; max-width: none; }
body.og .tabuleiro-wrap { width: 100%; }

/* ---------- modo video (?video=1 -> 1080x1080; ?video=vertical -> 1080x1920) ----------
   Dois paineis: esquerda a cabeca aberta + raster + barras, direita o tabuleiro;
   legendas queimadas no rodape. Tudo em px porque o viewport e exato. */
body.video { width: 1080px; overflow: hidden; position: relative; }
body.video.quadrado { height: 1080px; }
body.video.vertical { height: 1920px; }
body.video .topo, body.video .rodape, body.video .controles, body.video .nota-busca, body.video .lista-lances,
body.video details.cartao, body.video .status, body.video .grades, body.video .legenda-mapa, body.video .legenda-raster,
body.video .cartao h2 .passo { display: none; }
body.video .cerebro { display: block; }
body.video .cabeca { opacity: 1; }
body.video .cabeca .pescoco { display: none; }
body.video .app { max-width: none; margin: 0; padding: 28px 32px 0; gap: 28px; align-items: center; }
body.video .cartao { background: transparent; border: 0; padding: 0; }
body.video .cartao h2 { font-size: 15px; letter-spacing: .14em; margin-bottom: 10px; }
body.video .tabuleiro-wrap { width: 100%; min-width: 0; }
body.video .legendas { position: absolute; left: 0; right: 0; bottom: 0; padding: 0 56px 52px; text-align: left; }
body.video .legenda-video { margin: 0; font-size: 44px; line-height: 1.15; font-weight: 700; letter-spacing: -0.01em;
  text-transform: lowercase; transition: opacity .3s; }
body.video .legenda-sub { margin: 10px 0 0; font-size: 26px; line-height: 1.25; color: var(--texto-2); text-transform: lowercase;
  font-variant-numeric: tabular-nums; transition: opacity .3s; min-height: 1.25em; }
body.video .legendas.troca .legenda-video, body.video .legendas.troca .legenda-sub { opacity: 0; }
body.video .marca-agua { position: absolute; right: 56px; bottom: 56px; font-size: 20px; color: var(--texto-2); opacity: .7; letter-spacing: .02em; }
body.video .raster-wrap { margin-top: 14px; }
body.video .raster { height: 110px; }
body.video .raster-rotulos { font-size: 12px; }
body.video .barras { gap: 5px; margin-top: 16px; }
body.video .barra-lance { font-size: 17px; }
body.video .barra-lance .trilho { height: 16px; }
body.video .legenda-barras { display: none; }
body.video .coluna-painel { gap: 8px; }
/* quadrado: coluna do cerebro 400 px, tabuleiro 620 px; 840 px de altura util acima das legendas */
body.video.quadrado .app { grid-template-columns: 380px 1fr; grid-template-rows: 1fr; height: 880px; }
body.video.quadrado .coluna-tabuleiro { grid-column: 2; grid-row: 1; }
body.video.quadrado .coluna-painel { grid-column: 1; grid-row: 1; }
body.video.quadrado .tabuleiro-wrap { width: 608px; }
body.video.quadrado .legendas { height: 200px; }
/* vertical: cerebro em cima (cabeca a esquerda, raster + barras a direita), tabuleiro embaixo */
body.video.vertical .app { grid-template-columns: 1fr; grid-template-rows: auto auto; height: 1680px; align-content: start; gap: 20px; padding-top: 36px; }
body.video.vertical .coluna-painel { grid-row: 1; display: grid; grid-template-columns: 560px 1fr; gap: 28px; align-items: start; }
body.video.vertical .cartao-cerebro { display: contents; }
body.video.vertical .cartao-cerebro h2 { grid-column: 1 / -1; }
body.video.vertical .cerebro { grid-column: 1; grid-row: 2 / 4; width: 560px; }
body.video.vertical .raster-wrap { grid-column: 2; grid-row: 2; margin-top: 0; }
body.video.vertical .raster { height: 150px; }
body.video.vertical .cartao-barras { grid-column: 2; grid-row: 3; }
body.video.vertical .barra-lance { font-size: 19px; }
body.video.vertical .coluna-tabuleiro { grid-row: 2; }
body.video.vertical .tabuleiro-wrap { width: 920px; }
body.video.vertical .legendas { height: 240px; padding-bottom: 56px; }
body.video.vertical .legenda-video { font-size: 52px; }
body.video.vertical .legenda-sub { font-size: 30px; }