/* Chess widget. Obsidian + neon green + cyan, frosted glass, JetBrains Mono. */
.chess-layout {
  display: flex;
  gap: 1.5rem;
  padding: 1.5rem;
  flex-wrap: wrap;
}
.chess-board-col {
  flex: 1 1 340px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.chess-side-col {
  flex: 0 1 260px;
  min-width: 220px;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.chess-status {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.95rem;
  color: #d7ffe9;
  min-height: 1.6rem;
}
.turn-dot {
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 50%;
  background: #8a9a93;
  flex: none;
}
.turn-dot.w { background: #f2fff9; box-shadow: 0 0 8px rgba(242, 255, 249, 0.8); }
.turn-dot.b { background: #04060a; border: 2px solid #00ff88; box-shadow: 0 0 8px rgba(0, 255, 136, 0.7); }
.turn-dot.thinking { background: #22d3ee; box-shadow: 0 0 10px #22d3ee; animation: chess-pulse 0.8s ease-in-out infinite alternate; }
@keyframes chess-pulse { from { opacity: 0.4; } to { opacity: 1; } }
#chess-who { color: #22d3ee; font-size: 0.8rem; }
.check-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: #04060a;
  background: #ff5470;
  border-radius: 4px;
  padding: 0.1rem 0.45rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  box-shadow: 0 0 12px rgba(255, 84, 112, 0.8);
}
.chess-board-wrap { position: relative; }
.chess-board {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  grid-template-rows: repeat(8, 1fr);
  width: 100%;
  max-width: 520px;
  aspect-ratio: 1;
  border: 1px solid rgba(0, 255, 136, 0.35);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 0 24px rgba(0, 255, 136, 0.12), inset 0 0 40px rgba(0, 0, 0, 0.5);
  user-select: none;
}
.chess-sq {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(1.4rem, 5.2vw, 2.6rem);
  line-height: 1;
  cursor: pointer;
}
.sq-light { background: #14342a; }
.sq-dark { background: #08120e; }
.chess-sq::after {
  content: attr(data-label);
  position: absolute;
  right: 3px;
  bottom: 2px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.55rem;
  color: rgba(215, 255, 233, 0.45);
  pointer-events: none;
}
.pc-w { color: #f2fff9; text-shadow: 0 0 6px rgba(242, 255, 249, 0.55), 0 2px 3px rgba(0, 0, 0, 0.7); }
.pc-b { color: #00ff88; text-shadow: 0 0 8px rgba(0, 255, 136, 0.65), 0 2px 3px rgba(0, 0, 0, 0.7); }
.sq-sel { outline: 3px solid #22d3ee; outline-offset: -3px; z-index: 1; }
.sq-last { box-shadow: inset 0 0 0 3px rgba(34, 211, 238, 0.55); }
.sq-check { box-shadow: inset 0 0 0 4px #ff5470, inset 0 0 18px rgba(255, 84, 112, 0.7); }
.sq-move::before {
  content: '';
  width: 26%;
  height: 26%;
  border-radius: 50%;
  background: rgba(0, 255, 136, 0.55);
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.8);
  position: absolute;
}
.sq-cap::before {
  content: '';
  position: absolute;
  inset: 6%;
  border: 3px solid rgba(255, 84, 112, 0.85);
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(255, 84, 112, 0.6);
}
.chess-banner {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: rgba(4, 6, 10, 0.82);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-radius: 10px;
  z-index: 5;
  text-align: center;
  padding: 1rem;
}
.banner-big {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 700;
  color: #00ff88;
  text-shadow: 0 0 18px rgba(0, 255, 136, 0.5);
}
.chess-promo {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  background: rgba(4, 6, 10, 0.82);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-radius: 10px;
  z-index: 6;
}
.promo-label {
  font-family: 'JetBrains Mono', monospace;
  color: #d7ffe9;
  margin-right: 0.4rem;
}
.promo-btn {
  font-size: 2.4rem;
  line-height: 1;
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid rgba(0, 255, 136, 0.5);
  border-radius: 8px;
  padding: 0.5rem 0.7rem;
  cursor: pointer;
  color: #f2fff9;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.promo-btn:hover { transform: translateY(-2px); box-shadow: 0 0 14px rgba(0, 255, 136, 0.5); }
.chess-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}
.chess-controls .mono { font-size: 0.8rem; color: #8a9a93; }
.chess-select {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: #d7ffe9;
  background: rgba(0, 255, 136, 0.08);
  border: 1px solid rgba(0, 255, 136, 0.35);
  border-radius: 6px;
  padding: 0.45rem 0.6rem;
  cursor: pointer;
}
.chess-select option { background: #04060a; }
.chess-tray {
  background: rgba(4, 6, 10, 0.5);
  border: 1px solid rgba(0, 255, 136, 0.2);
  border-radius: 8px;
  padding: 0.6rem 0.8rem;
  min-height: 3.2rem;
}
.tray-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: #8a9a93;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.25rem;
  display: flex;
  justify-content: space-between;
}
.tray-lead { color: #00ff88; font-weight: 700; }
.tray-pieces { font-size: 1.35rem; line-height: 1.4; letter-spacing: 0.1em; min-height: 1.8rem; }
#chess-cap-w { color: #00ff88; text-shadow: 0 0 6px rgba(0, 255, 136, 0.5); }
#chess-cap-b { color: #f2fff9; text-shadow: 0 0 6px rgba(242, 255, 249, 0.4); }
.chess-moves-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: rgba(4, 6, 10, 0.5);
  border: 1px solid rgba(0, 255, 136, 0.2);
  border-radius: 8px;
  padding: 0.6rem 0.8rem;
}
.chess-moves {
  overflow-y: auto;
  max-height: 280px;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding-right: 0.3rem;
}
.mv-row { display: grid; grid-template-columns: 2rem 1fr 1fr; gap: 0.4rem; align-items: baseline; }
.mv-num { color: #8a9a93; font-size: 0.8rem; }
.mv-san { color: #d7ffe9; font-size: 0.85rem; }
.mv-row:nth-child(odd) { background: rgba(0, 255, 136, 0.05); border-radius: 4px; }
.chess-hint-line { font-size: 0.78rem; color: #8a9a93; font-family: 'JetBrains Mono', monospace; }
@media (max-width: 720px) {
  .chess-layout { padding: 1rem; }
  .chess-side-col { flex: 1 1 100%; }
}