/* ═══════════════════════════════════════════════════════
   DAMAS — Tablero hiperrealista / skeuomórfico
═══════════════════════════════════════════════════════ */

#screen-damas-game {
  background:
    radial-gradient(circle at 50% 38%, rgba(122, 71, 30, 0.42), transparent 48%),
    radial-gradient(circle at 50% 120%, rgba(28, 15, 7, 0.75), transparent 45%),
    linear-gradient(160deg, #2a170d 0%, #120905 62%, #070403 100%);
  overflow: hidden;
}

#screen-damas-game.active {
  display: grid;
  grid-template-rows: 1fr;
  align-items: stretch;
  justify-items: stretch;
}

/* ── Layout ──────────────────────────────────────────── */
.damas-layout {
  display: grid;
  grid-template-rows: 42px minmax(0, 1fr) 42px;
  align-items: center;
  justify-items: center;
  width: 100%;
  min-height: 100vh;
  padding: 38px 16px 16px;
  gap: 10px;
  box-sizing: border-box;
}

.damas-player-row {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 560px;
  min-height: 0;
  z-index: 3;
}

.damas-board-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  min-height: 0;
}

/* ── Tablero — madera real ───────────────────────────── */
.damas-board {
  position: relative;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  grid-template-rows:    repeat(8, 1fr);
  width: min(520px, 88vw, calc(100vh - 160px));
  aspect-ratio: 1;
  height: auto;
  box-sizing: border-box;
  background-color: #c09050;
  border: 18px solid #b87d46;
  border-radius: 36px;
  box-shadow:
    inset 0 0 0 2px rgba(60, 25, 0, 0.7),
    inset 0 6px 12px rgba(0, 0, 0, 0.6),
    0 0 0 2px rgba(60, 25, 0, 0.9),
    0 15px 40px rgba(0, 0, 0, 0.7);
  gap: 0;
  overflow: hidden;
  user-select: none;
}

/* ── Casillas — sin bordes, solo color de madera ─────── */
.damas-cell {
  position: relative;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
}

.damas-cell.light {
  background-color: #e6c495;
  background-image: repeating-linear-gradient(
    45deg,
    transparent, transparent 15px,
    rgba(0,0,0,0.03) 15px, rgba(0,0,0,0.03) 30px
  );
}

.damas-cell.dark {
  background-color: #a86c32;
  background-image: repeating-linear-gradient(
    45deg,
    transparent, transparent 15px,
    rgba(0,0,0,0.04) 15px, rgba(0,0,0,0.04) 30px
  );
}

/* Casilla de destino — punto verde luminoso */
.damas-cell.dark.has-target {
  cursor: pointer;
}

.damas-cell.dark.has-target::after {
  content: '';
  position: absolute;
  inset: 0;
  margin: auto;
  width: 25%;
  height: 25%;
  border-radius: 50%;
  background: #62d148;
  box-shadow: 0 0 10px #62d148, inset 0 0 4px #a3ff8f;
  pointer-events: none;
}

.damas-cell.dark.has-target:hover {
  background-color: #c07c3a;
}

/* Casilla origen seleccionada — verde translúcido */
.damas-cell.selected-origin {
  background-color: rgba(90, 180, 50, 0.4) !important;
}

/* ── Fichas — anillos concéntricos tallados ──────────── */
.damas-piece {
  position: absolute;
  border-radius: 50%;
  cursor: default;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  box-sizing: border-box;
  transition: top 0.28s ease, left 0.28s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

/* Marfil tallado con anillos concéntricos */
.damas-piece.white {
  background: radial-gradient(
    circle,
    #f0e5c9 0%,   #f0e5c9 22%,
    #c4b290 25%,  #fdf8eb 28%,
    #f0e5c9 48%,  #c4b290 51%,
    #fdf8eb 54%,  #e3d3b3 100%
  );
  border: 1px solid #c4b290;
  box-shadow:
    3px 6px 10px rgba(0,0,0,0.4),
    inset -2px -4px 6px rgba(0,0,0,0.1),
    inset  2px  4px 6px rgba(255,255,255,0.6);
}

/* Ébano tallado con anillos concéntricos */
.damas-piece.black {
  background: radial-gradient(
    circle,
    #1f1f1f 0%,   #1f1f1f 22%,
    #000000 25%,  #383838 28%,
    #1f1f1f 48%,  #000000 51%,
    #383838 54%,  #121212 100%
  );
  border: 1px solid #000000;
  box-shadow:
    3px 6px 10px rgba(0,0,0,0.6),
    inset -2px -4px 6px rgba(0,0,0,0.8),
    inset  2px  4px 6px rgba(255,255,255,0.15);
}

/* Ficha con movimientos disponibles */
.damas-piece.selectable {
  cursor: pointer;
  box-shadow:
    3px 6px 10px rgba(0,0,0,0.4),
    0 0 0 2px rgba(98, 209, 72, 0.6);
}

.damas-piece.black.selectable {
  box-shadow:
    3px 6px 10px rgba(0,0,0,0.6),
    0 0 0 2px rgba(98, 209, 72, 0.6);
}

.damas-piece.selectable:hover {
  transform: scale(1.04);
  z-index: 10;
}

/* Ficha seleccionada */
.damas-piece.selected {
  transform: scale(1.07) translateY(-2px);
  z-index: 20;
}

.damas-piece.white.selected {
  box-shadow:
    3px 8px 14px rgba(0,0,0,0.45),
    0 0 0 3px rgba(98, 209, 72, 0.85),
    inset -2px -4px 6px rgba(0,0,0,0.1),
    inset  2px  4px 6px rgba(255,255,255,0.6);
}

.damas-piece.black.selected {
  box-shadow:
    3px 8px 14px rgba(0,0,0,0.65),
    0 0 0 3px rgba(98, 209, 72, 0.85),
    inset -2px -4px 6px rgba(0,0,0,0.8),
    inset  2px  4px 6px rgba(255,255,255,0.15);
}

/* ── Dama — disco más grueso (sombra inferior) ─────────── */
.damas-piece.is-dama {
  transform: translateY(-5%);
}

.damas-piece.white.is-dama {
  box-shadow:
    0 6px 0 #b8a880,
    3px 10px 10px rgba(0,0,0,0.4),
    inset -2px -4px 6px rgba(0,0,0,0.1),
    inset  2px  4px 6px rgba(255,255,255,0.6);
}

.damas-piece.black.is-dama {
  box-shadow:
    0 6px 0 #0a0a0a,
    3px 10px 10px rgba(0,0,0,0.65),
    inset -2px -4px 6px rgba(0,0,0,0.8),
    inset  2px  4px 6px rgba(255,255,255,0.12);
}

.damas-piece.is-dama.selected {
  transform: scale(1.07) translateY(-7%);
}

/* La corona se oculta; la dama se indica por el grosor */
.damas-crown {
  display: none;
}

/* ── Animación de entrada ─────────────────────────────── */
@keyframes damasAppear {
  from { opacity: 0; transform: scale(0.4); }
  to   { opacity: 1; transform: scale(1); }
}

.damas-piece-entering {
  animation: damasAppear 0.22s cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
}

/* ── Overlay de resultado ────────────────────────────── */
.damas-result-box { text-align: center; min-width: 260px; }

.damas-result-title {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: 3px;
  color: #f0c040;
  margin-bottom: 6px;
}

.damas-result-detail {
  font-size: 0.9rem;
  color: #c8a878;
  margin-bottom: 20px;
  min-height: 1.2em;
}

/* ── Overlay resultado: tema madera ──────────────────── */
#overlay-damas-result .overlay-box {
  background: linear-gradient(145deg, #2e1a0a, #1a0d05);
  border: 3px solid #b87d46;
  box-shadow:
    0 0 0 1px rgba(60,25,0,0.8),
    0 0 50px rgba(184,125,70,0.3);
}

#overlay-damas-result .overlay-title {
  color: #f0e5c9;
  text-shadow: 0 2px 8px rgba(0,0,0,0.6);
}

#overlay-damas-result .damas-result-title {
  color: #e8c87a;
}

/* ── Overlay reglas cuando el juego activo es Damas ─── */
#overlay-game-rules[data-game="damas"] .overlay-box {
  background: linear-gradient(145deg, #2e1a0a, #1a0d05);
  border: 3px solid #b87d46;
  box-shadow:
    0 0 0 1px rgba(60,25,0,0.8),
    0 0 50px rgba(184,125,70,0.25);
}

#overlay-game-rules[data-game="damas"] .overlay-title {
  color: #f0e5c9;
  text-shadow: 0 2px 8px rgba(0,0,0,0.6);
}

#overlay-game-rules[data-game="damas"] .rules-content {
  color: #c8a878;
}

#overlay-game-rules[data-game="damas"] .rules-content li::marker {
  color: #b87d46;
}

/* ── Menú in-game — tema madera ─────────────────────── */
#screen-damas-game .btn-back {
  background: rgba(58, 33, 10, 0.85);
  border: 1px solid rgba(184,125,70,0.45);
  color: #c8a050;
}
#screen-damas-game .btn-back:hover {
  background: rgba(74, 47, 20, 1);
  color: #e8c090;
}
#screen-damas-game .game-menu-dropdown {
  background: rgba(22, 11, 4, 0.97);
  border: 1px solid rgba(184,125,70,0.3);
  box-shadow: 0 10px 24px rgba(0,0,0,0.55);
}
#screen-damas-game .game-menu-dropdown button {
  color: #c8a878;
}
#screen-damas-game .game-menu-dropdown button:hover {
  background: rgba(184,125,70,0.12);
  color: #e0c090;
}

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 520px) {
  .damas-layout {
    grid-template-rows: 36px minmax(0, 1fr) 36px;
    padding: 34px 8px 10px;
    gap: 7px;
  }

  .damas-board {
    width: min(360px, 96vw, calc(100vh - 130px));
    border-radius: 18px;
  }
}