/* ============================================
   Warp Chess - Specific Styles
   ============================================ */

.disclaimer-banner {
  max-width: 600px;
  margin: 0 auto 20px;
  background: rgba(250, 204, 21, 0.1);
  border: 1px solid rgba(250, 204, 21, 0.4);
  color: #fde047;
  padding: 12px 20px;
  border-radius: var(--radius-btn);
  text-align: center;
  font-family: var(--font-body);
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  box-shadow: 0 4px 15px rgba(250, 204, 21, 0.05);
}

.game-container {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  width: 100%;
}

#game-ui {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  background: var(--color-bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-card);
  padding: 30px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  max-width: 600px;
  width: 100%;
}

.game-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.status-msg {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent-cyan);
  text-shadow: 0 0 10px rgba(6, 214, 160, 0.5);
}

.status-msg.check {
  color: var(--color-accent-pink);
  text-shadow: 0 0 15px rgba(244, 114, 182, 0.8);
}

.status-msg.mate {
  color: var(--color-accent-pink);
  text-shadow: 0 0 20px rgba(244, 114, 182, 1);
  animation: pulse 2s infinite;
}

.arcade-btn {
  background: transparent;
  border: 1px solid var(--color-accent-purple);
  color: var(--color-accent-purple);
  padding: 10px 20px;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: var(--radius-btn);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 0 10px rgba(168, 85, 247, 0.2);
}

.arcade-btn:hover {
  background: var(--color-accent-purple);
  color: #fff;
  box-shadow: 0 0 15px rgba(168, 85, 247, 0.6);
  transform: translateY(-2px);
}

/* --- Chess Board --- */
.board-container {
  width: 100%;
  max-width: 480px; /* 8x60px cells */
  aspect-ratio: 1 / 1;
}

.chess-board {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  grid-template-rows: repeat(8, 1fr);
  width: 100%;
  height: 100%;
  border: 2px solid var(--color-accent-blue);
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.3);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.square {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  transition: background var(--transition-fast);
}

.square.light {
  background: #1a2333;
}

.square.dark {
  background: #0d1421;
}

.square.selected {
  background: rgba(6, 214, 160, 0.4);
  box-shadow: inset 0 0 15px rgba(6, 214, 160, 0.8);
}

.square.highlight {
  background: rgba(56, 189, 248, 0.3);
}

.square.highlight::after {
  content: '';
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-accent-cyan);
  opacity: 0.5;
}

/* Give hover an interactive feel */
.square:hover {
  cursor: pointer;
}
.square.light:hover {
  background: #232f45;
}
.square.dark:hover {
  background: #152236;
}

/* --- Chess Pieces --- */
.piece {
  font-size: clamp(2rem, 8vw, 3rem);
  user-select: none;
  cursor: pointer;
  position: absolute;
  z-index: 10;
  transition: transform 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
  text-shadow: 0 5px 10px rgba(0,0,0,0.5);
}

.piece.white {
  color: #fff;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.6);
}

.piece.black {
  color: #a8b2c1;
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.8);
}

/* --- Portals --- */
.portal {
  position: absolute;
  width: 80%;
  height: 80%;
  border-radius: 50%;
  border: 4px solid;
  z-index: 5;
  pointer-events: none;
  opacity: 0.8;
}

.portal-a {
  border-color: var(--color-accent-purple);
  box-shadow: 0 0 15px rgba(168, 85, 247, 0.8), inset 0 0 10px rgba(168, 85, 247, 0.5);
  animation: portalSpin 4s linear infinite;
}

.portal-b {
  border-color: var(--color-accent-orange);
  box-shadow: 0 0 15px rgba(251, 146, 60, 0.8), inset 0 0 10px rgba(251, 146, 60, 0.5);
  animation: portalSpin 4s linear infinite reverse;
}

@keyframes portalSpin {
  0% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.1) rotate(180deg); }
  100% { transform: scale(1) rotate(360deg); }
}

.teleporting {
  animation: teleportAnim 0.6s ease-in-out forwards;
}

@keyframes teleportAnim {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(0); opacity: 0; filter: blur(5px); }
  100% { transform: scale(1); opacity: 1; filter: blur(0); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}