/* Xadrez — estilos */

/* Seletor de modo */
.modos {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}
.modo {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-sm);
  padding: 0.5em 1em;
  border-radius: var(--r-full);
  background: var(--surface);
  border: 2px solid var(--border);
  color: var(--text-soft);
  transition: all var(--dur) var(--ease);
}
.modo:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.modo[aria-selected="true"] {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
  box-shadow: var(--shadow-md);
}

.game-title {
  color: var(--blue);
}

.turno {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  color: var(--text-soft);
  min-height: 1.6em;
}
.turno b {
  color: var(--blue);
}
.aviso-xeque {
  color: var(--red);
  font-weight: 700;
}

/* Mesa: capturadas + tabuleiro empilhados */
.mesa {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
  width: 100%;
}
.capturadas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.1rem;
  justify-content: center;
  min-height: 1.5rem;
  width: min(94vw, 460px);
  line-height: 1;
}
.capturadas .mini {
  font-size: 1.25rem;
  -webkit-text-stroke-width: 0.8px;
  paint-order: stroke fill;
}
.capturadas .mini.branca {
  color: #f7fafc;
  -webkit-text-stroke-color: #1c2740;
}
.capturadas .mini.preta {
  color: #111a2e;
  -webkit-text-stroke-color: #e6edf7;
}

.board-wrap {
  width: min(94vw, 460px);
  padding: 0;
}
.tabuleiro {
  --clara: #e7edf7;
  --escura: #7c9fd0;
  width: 100%;
  aspect-ratio: 1;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  grid-template-rows: repeat(8, 1fr);
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 3px solid var(--escura);
}
@media (prefers-color-scheme: dark) {
  .tabuleiro {
    --clara: #45566f;
    --escura: #263248;
  }
}
:root[data-theme="dark"] .tabuleiro {
  --clara: #45566f;
  --escura: #263248;
}
:root[data-theme="light"] .tabuleiro {
  --clara: #e7edf7;
  --escura: #7c9fd0;
}

.casa {
  position: relative;
  display: grid;
  place-items: center;
  border: none;
  padding: 0;
  cursor: pointer;
  transition: background var(--dur-fast) ease;
}
.casa.clara {
  background: var(--clara);
}
.casa.escura {
  background: var(--escura);
}
.casa:not(:disabled):hover {
  filter: brightness(1.06);
}

.peca {
  position: relative;
  z-index: 2;
  font-size: clamp(1.7rem, 8.2vw, 3.1rem);
  line-height: 1;
  -webkit-text-stroke-width: 1.4px;
  paint-order: stroke fill;
  user-select: none;
  transition: transform var(--dur-fast) var(--ease);
}
.peca.branca {
  color: #f7fafc;
  -webkit-text-stroke-color: #1c2740;
}
.peca.preta {
  color: #10192e;
  -webkit-text-stroke-color: #eaf0fa;
}
.casa:hover .peca {
  transform: scale(1.06);
}

/* Realces */
.casa.sel {
  box-shadow: inset 0 0 0 4px var(--blue);
}
.casa.ultimo::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: color-mix(in srgb, var(--amber) 38%, transparent);
  pointer-events: none;
}
.casa.xeque::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(
    circle,
    color-mix(in srgb, var(--red) 70%, transparent),
    transparent 72%
  );
  pointer-events: none;
}
.casa.destino::after {
  content: "";
  position: absolute;
  z-index: 1;
  width: 30%;
  height: 30%;
  border-radius: 50%;
  background: color-mix(in srgb, var(--blue) 55%, transparent);
  pointer-events: none;
}
.casa.captura-alvo::after {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 7%;
  border-radius: 50%;
  border: 4px solid color-mix(in srgb, var(--red) 75%, transparent);
  pointer-events: none;
}

/* Controles */
.controles {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
  justify-content: center;
}

/* Histórico */
.historico-box {
  width: min(94vw, 460px);
}
.historico-box summary {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-sm);
  color: var(--text-soft);
  cursor: pointer;
  padding: 0.4em 0;
  text-align: center;
}
.historico {
  list-style: none;
  counter-reset: lance;
  max-height: 180px;
  overflow-y: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.15rem 0.6rem;
  padding: 0.6rem 0.9rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  font-family: var(--font-display);
  font-size: var(--fs-sm);
}
.historico li {
  counter-increment: lance;
  display: flex;
  gap: 0.5rem;
  align-items: baseline;
}
.historico li::before {
  content: counter(lance) ".";
  color: var(--text-mute);
  min-width: 1.7em;
  text-align: right;
  font-size: var(--fs-xs);
}
.historico .mv {
  color: var(--text);
  min-width: 3.4em;
}

/* Modal de promoção */
.promo-opcoes {
  display: flex;
  gap: var(--sp-3);
  justify-content: center;
}
.promo-btn {
  width: 3.6rem;
  height: 3.6rem;
  font-size: 2.4rem;
  line-height: 1;
  border-radius: var(--r-md);
  background: var(--surface-2);
  border: 2px solid var(--border);
  -webkit-text-stroke-width: 1.4px;
  paint-order: stroke fill;
  transition:
    transform var(--dur-fast) var(--ease),
    border-color var(--dur) ease;
}
.promo-btn.branca {
  color: #f7fafc;
  -webkit-text-stroke-color: #1c2740;
}
.promo-btn.preta {
  color: #10192e;
  -webkit-text-stroke-color: #eaf0fa;
}
.promo-btn:hover {
  transform: translateY(-3px) scale(1.05);
  border-color: var(--blue);
}
.promo-modal .gk-modal__title {
  color: var(--blue);
}