body {
  margin: 0;
  overflow: hidden;
  background: linear-gradient(90deg, #b3e5fc, #f8bbd0);
  font-family: Poppins, sans-serif;
  text-align: center;
}

/* Glowing Logo */
.logoGlow {
  animation: logoGlow 3s ease-in-out infinite;
  max-width: 200px;
  margin-bottom: 1rem;
}
@keyframes logoGlow {
  0% { filter: drop-shadow(0 0 0px #fff); }
  50% { filter: drop-shadow(0 0 25px #ffd700) brightness(1.2); }
  100% { filter: drop-shadow(0 0 0px #fff); }
}

.landscape-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1vw;
  padding: 2vh;
}

.frame, .board, .pool-grid {
  aspect-ratio: 2/3;
  border-radius: 12px;
  overflow: visible;
  position: relative;
}
.frame img { width: 100%; height: 100%; object-fit: cover; border-radius: inherit; }
.board, .pool-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(4, 1fr);
}
.drop-zone, .piece-slot { border: 1px dashed #ccc; position: relative; }
.piece { position: absolute; inset: 0; border-radius: 8px; touch-action: none; }
.piece img { width: 100%; height: 100%; border-radius: inherit; }

.piece.grabbing {
  box-shadow: 0 0 18px 4px rgba(0, 170, 255, 0.7);
  transform: scale(1.05);
  transition: box-shadow 0.2s, transform 0.15s;
}
@keyframes pieceDrop {
  0% { transform: scale(1.1); }
  50% { transform: scale(0.95); }
  100% { transform: scale(1); }
}

.sparkle {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.sparkle .sp {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #fff, #ffe066 60%, #ff9f1a 100%);
  animation: spMove 0.6s ease-out forwards;
}
@keyframes spMove {
  0% { opacity: 1; transform: translate(0, 0) scale(1); }
  100% { opacity: 0; transform: translate(var(--dx), var(--dy)) scale(0.2); }
}

.overlay {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: linear-gradient(90deg, #b3e5fc, #f8bbd0);
}
#timer {
  position: fixed;
  bottom: 1vh;
  left: 50%;
  transform: translateX(-50%);
  background: #fff8;
  padding: .4rem .8rem;
  border-radius: 10px;
  font-weight: bold;
}