/* Basic reset and box-sizing */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: #f7f7f7;
  font-family: Arial, sans-serif;
}

/* Board container with a soft gradient and rounded corners */
.board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-gap: 20px;
  width: 90vw;
  max-width: 600px;
  padding: 20px;
  background: linear-gradient(145deg, #a1c4fd, #c2e9fb);
  border-radius: 25px;
  box-shadow: 10px 10px 20px rgba(0, 0, 0, 0.1),
              -10px -10px 20px rgba(255, 255, 255, 0.7);
  transition: transform 0.3s ease;
}

/* Grid items styled to look soft and squishy */
.grid-item {
  background: linear-gradient(145deg, #ffffff, #f0f0f0);
  border-radius: 20px;
  position: relative;
  overflow: hidden;
  /* Maintains a square aspect ratio */
  height: 0;
  padding-bottom: 100%;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  cursor: pointer;
}

/* Hover effect to simulate a squishy bounce */
.grid-item:hover {
  transform: scale(1.05);
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.15);
}

/* Responsive adjustments for larger screens */
@media (min-width: 768px) {
  .board {
    grid-gap: 25px;
    padding: 25px;
  }
}