/* ══════════════════════════════════════════════════════
   VARIÁVEIS DE DESIGN
══════════════════════════════════════════════════════ */
:root {
  --cor-fundo-inicio: #0a2e1a;
  --cor-fundo-meio: #0d4a2a;
  --cor-fundo-fim: #10622f;
  --cor-destaque: #4fffb0;
  --cor-destaque-suave: rgba(79, 255, 176, 0.12);
  --cor-destaque-medio: rgba(79, 255, 176, 0.25);
  --cor-texto-principal: #e8f5ee;
  --cor-texto-secundario: rgba(232, 245, 238, 0.55);
  --cor-borda: rgba(79, 255, 176, 0.2);
  --fonte-titulo: 'DM Serif Display', serif;
  --fonte-corpo: 'DM Mono', monospace;
  --transicao: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ══════════════════════════════════════════════════════
   RESET E BASE
══════════════════════════════════════════════════════ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--fonte-corpo);
  background: linear-gradient(160deg, var(--cor-fundo-inicio) 0%, var(--cor-fundo-meio) 50%, var(--cor-fundo-fim) 100%);
  background-attachment: fixed;
  color: var(--cor-texto-principal);
  min-height: 100vh;
  overflow-x: hidden;
  cursor: none;
}

/* ── Cursor personalizado ── */
#cursor {
  width: 10px; height: 10px;
  background: var(--cor-destaque);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.3s ease, height 0.3s ease, opacity 0.3s ease;
  mix-blend-mode: screen;
}
#cursor-anel {
  width: 36px; height: 36px;
  border: 1px solid var(--cor-destaque);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: left 0.12s ease, top 0.12s ease, width 0.3s ease, height 0.3s ease;
  opacity: 0.5;
}

/* ── Ruído de fundo ── */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
}

/* ══════════════════════════════════════════════════════
   LAYOUT PRINCIPAL
══════════════════════════════════════════════════════ */
.pagina {
  position: relative;
  z-index: 1;
  max-width: 780px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ── Cabeçalho ── */
.cabecalho {
  padding: 3.5rem 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--cor-borda);
}
.cabecalho-logo {
  font-family: var(--fonte-titulo);
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  color: var(--cor-destaque);
}
.cabecalho-tag {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cor-texto-secundario);
}

/* ── Herói ── */
.heroi {
  padding: 7rem 0 5rem;
  position: relative;
}
.heroi-subtitulo {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cor-destaque);
  margin-bottom: 1.6rem;
  opacity: 0;
  animation: surgir 0.8s 0.2s forwards;
}
.heroi-titulo {
  font-family: var(--fonte-titulo);
  font-size: clamp(3rem, 8vw, 5.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 2.2rem;
  opacity: 0;
  animation: surgir 0.9s 0.4s forwards;
}
.heroi-titulo em { font-style: italic; color: var(--cor-destaque); }
.heroi-descricao {
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--cor-texto-secundario);
  max-width: 480px;
  opacity: 0;
  animation: surgir 0.9s 0.6s forwards;
}
.heroi-linha-decorativa {
  position: absolute;
  right: -1rem; top: 50%;
  transform: translateY(-50%);
  width: 1px; height: 40%;
  background: linear-gradient(to bottom, transparent, var(--cor-destaque), transparent);
  opacity: 0.4;
}

/* ── Seção genérica ── */
.secao {
  padding: 5rem 0;
  border-top: 1px solid var(--cor-borda);
}
.secao-rotulo {
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cor-destaque);
  margin-bottom: 2.8rem;
}

/* ── Grade de habilidades ── */
.grade-habilidades {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1px;
  border: 1px solid var(--cor-borda);
}
.item-habilidade {
  padding: 1.4rem 1.2rem;
  border: 1px solid transparent;
  transition: background var(--transicao), border-color var(--transicao);
}
.item-habilidade:hover {
  background: var(--cor-destaque-suave);
  border-color: var(--cor-borda);
}
.item-habilidade-nome {
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--cor-texto-principal);
}
.item-habilidade-nivel {
  margin-top: 0.5rem;
  height: 2px;
  background: var(--cor-borda);
  border-radius: 2px;
  overflow: hidden;
}
.item-habilidade-nivel-barra {
  height: 100%;
  background: var(--cor-destaque);
  width: 0;
  transition: width 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ── Links / CTAs ── */
.grade-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}
@media (max-width: 480px) { .grade-links { grid-template-columns: 1fr; } }

.cartao-link {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2rem;
  border: 1px solid var(--cor-borda);
  text-decoration: none;
  color: var(--cor-texto-principal);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transicao), transform var(--transicao);
}
.cartao-link::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--cor-destaque-suave);
  transform: translateY(101%);
  transition: transform var(--transicao);
}
.cartao-link:hover { border-color: var(--cor-destaque); transform: translateY(-3px); }
.cartao-link:hover::before { transform: translateY(0); }
.cartao-link-plataforma {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cor-destaque);
  margin-bottom: 1rem;
  position: relative;
}
.cartao-link-titulo {
  font-family: var(--fonte-titulo);
  font-size: 1.5rem;
  line-height: 1.2;
  position: relative;
}
.cartao-link-seta {
  margin-top: 1.8rem;
  font-size: 1.2rem;
  position: relative;
  transition: transform var(--transicao);
}
.cartao-link:hover .cartao-link-seta { transform: translate(4px, -4px); }

/* ── Rodapé ── */
.rodape {
  padding: 3rem 0;
  border-top: 1px solid var(--cor-borda);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.rodape-texto { font-size: 0.7rem; color: var(--cor-texto-secundario); letter-spacing: 0.05em; }
.rodape-ponto {
  width: 6px; height: 6px;
  background: var(--cor-destaque);
  border-radius: 50%;
  animation: pulsar 2s infinite;
}

/* ══════════════════════════════════════════════════════
   ESTILOS COMUNS DOS JOGOS
══════════════════════════════════════════════════════ */
.jogos-cabecalho {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.4rem;
}
.jogos-descricao {
  font-size: 0.72rem;
  color: var(--cor-texto-secundario);
  letter-spacing: 0.05em;
}
.jogos-status {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--cor-destaque);
  min-height: 1.4rem;
  margin-bottom: 1.6rem;
  text-transform: uppercase;
}
.botao-reiniciar {
  margin-top: 1.8rem;
  padding: 0.7rem 1.8rem;
  background: transparent;
  border: 1px solid var(--cor-borda);
  color: var(--cor-texto-principal);
  font-family: var(--fonte-corpo);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: none;
  transition: background var(--transicao), border-color var(--transicao), color var(--transicao);
}
.botao-reiniciar:hover {
  background: var(--cor-destaque-suave);
  border-color: var(--cor-destaque);
  color: var(--cor-destaque);
}

/* ══════════════════════════════════════════════════════
   JOGO DA VELHA
══════════════════════════════════════════════════════ */
.placar-velha {
  display: flex;
  gap: 1rem;
  align-items: center;
  font-size: 0.75rem;
}
.placar-item { display: flex; align-items: center; gap: 0.3rem; color: var(--cor-texto-secundario); }
.placar-simbolo { font-weight: 500; }
.placar-x { color: var(--cor-destaque); }
.placar-o { color: #ff9f6b; }
.placar-separador { color: var(--cor-borda); }

.tabuleiro-velha {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  max-width: 320px;
}
.celula-velha {
  aspect-ratio: 1;
  background: var(--cor-destaque-suave);
  border: 1px solid var(--cor-borda);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--fonte-titulo);
  font-size: 2.4rem;
  cursor: none;
  transition: background var(--transicao), border-color var(--transicao), transform 0.15s ease;
  user-select: none;
}
.celula-velha:hover:not(.ocupada) {
  background: var(--cor-destaque-medio);
  border-color: var(--cor-destaque);
  transform: scale(0.96);
}
.celula-velha.simbolo-x { color: var(--cor-destaque); }
.celula-velha.simbolo-o { color: #ff9f6b; }
.celula-velha.vitoriosa {
  background: var(--cor-destaque-medio);
  border-color: var(--cor-destaque);
  animation: piscar 0.6s ease 2;
}

/* ══════════════════════════════════════════════════════
   XADREZ
══════════════════════════════════════════════════════ */
.xadrez-turno {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--cor-destaque);
  text-transform: uppercase;
}

.tabuleiro-xadrez-wrapper { display: inline-flex; flex-direction: column; gap: 0; }
.tabuleiro-xadrez-linha   { display: flex; align-items: flex-start; gap: 0; }

.coordenadas-letras {
  display: flex;
  padding-left: 22px;
  margin-bottom: 4px;
}
.coordenadas-numeros {
  display: flex;
  flex-direction: column;
  margin-right: 4px;
}
.coord-label {
  width: 18px; height: 18px;
  font-size: 0.58rem;
  color: var(--cor-texto-secundario);
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.05em;
}
/* Largura das labels de letra deve bater com o tamanho da casa */
.coordenadas-letras .coord-label { width: var(--tamanho-casa, 62px); height: 18px; }
.coordenadas-numeros .coord-label { width: 18px; height: var(--tamanho-casa, 62px); }

.tabuleiro-xadrez {
  display: grid;
  grid-template-columns: repeat(8, var(--tamanho-casa, 62px));
  grid-template-rows:    repeat(8, var(--tamanho-casa, 62px));
  border: 1px solid var(--cor-borda);
  --tamanho-casa: 62px;
}

@media (max-width: 600px) {
  .tabuleiro-xadrez {
    --tamanho-casa: 40px;
  }
  .coordenadas-letras .coord-label { width: 40px; }
  .coordenadas-numeros .coord-label { height: 40px; }
}
@media (max-width: 420px) {
  .tabuleiro-xadrez {
    --tamanho-casa: 34px;
  }
  .coordenadas-letras .coord-label { width: 34px; }
  .coordenadas-numeros .coord-label { height: 34px; }
}

.casa-xadrez {
  width: var(--tamanho-casa, 62px);
  height: var(--tamanho-casa, 62px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(1.2rem, 3vw, 1.7rem);
  cursor: none;
  position: relative;
  transition: background 0.18s ease;
  user-select: none;
}
.casa-clara { background: rgba(79, 255, 176, 0.07); }
.casa-escura { background: rgba(10, 46, 26, 0.7); }

.casa-xadrez:hover { background: var(--cor-destaque-medio) !important; }
.casa-selecionada { background: rgba(79, 255, 176, 0.35) !important; box-shadow: inset 0 0 0 2px var(--cor-destaque); }
.casa-movimento-valido::after {
  content: '';
  position: absolute;
  width: 32%;
  height: 32%;
  border-radius: 50%;
  background: var(--cor-destaque);
  opacity: 0.55;
}
.casa-captura-valida::after {
  content: '';
  position: absolute; inset: 0;
  border: 3px solid var(--cor-destaque);
  opacity: 0.7;
}
.casa-em-xeque { background: rgba(255, 80, 80, 0.4) !important; }

.peca-branca { filter: drop-shadow(0 1px 2px rgba(0,0,0,0.6)); }
.peca-preta  { filter: drop-shadow(0 1px 2px rgba(0,0,0,0.8)) brightness(0.5); }

.xadrez-capturadas {
  margin-top: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.capturadas-grupo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}
.capturadas-rotulo {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--cor-texto-secundario);
  text-transform: uppercase;
  white-space: nowrap;
}
.capturadas-pecas { font-size: 1rem; letter-spacing: 0.05em; }

/* ══════════════════════════════════════════════════════
   ANIMAÇÕES
══════════════════════════════════════════════════════ */
@keyframes surgir {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulsar {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.7); }
}
@keyframes piscar {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}
@keyframes entrarPeca {
  from { transform: scale(0.5); opacity: 0; }
  to   { transform: scale(1);   opacity: 1; }
}
.peca-animada { animation: entrarPeca 0.25s cubic-bezier(0.34, 1.56, 0.64, 1) forwards; }

/* ── Utilitários ── */
.visivel .item-habilidade-nivel-barra { width: var(--largura); }