style.css

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  background: #121212;
  font-family: 'Roboto', sans-serif;
  color: #e0e0e0;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}
.container {
  background: #1e1e1e;
  border-radius: 10px;
  padding: 20px;
  width: 100%;
  max-width: 800px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
}
header h1 {
  text-align: center;
  margin-bottom: 20px;
  font-size: 2.5rem;
  color: #f39c12;
}
.bingo-board {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}
.cell {
  background: #272727;
  border: 1px solid #333;
  border-radius: 5px;
  padding: 20px;
  font-size: 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.3s ease;
}
.cell.marked {
  background: #27ae60;
  text-decoration: line-through;
}
.cell.highlight {
  animation: highlight-pulse 1s ease-in-out;
}
@keyframes highlight-pulse {
  0% { transform: scale(1); box-shadow: 0 0 10px #f39c12; }
  50% { transform: scale(1.1); box-shadow: 0 0 20px #f39c12; }
  100% { transform: scale(1); box-shadow: 0 0 10px #f39c12; }
}
.controls {
  text-align: center;
}
button {
  background: #333;
  border: none;
  color: #e0e0e0;
  padding: 10px 20px;
  font-size: 1.2rem;
  border-radius: 5px;
  cursor: pointer;
  margin: 10px 5px;
}
button:hover {
  background: #444;
}
#drawnNumber {
  margin-top: 10px;
  font-size: 1.8rem;
}
#stats {
  margin-top: 15px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
  font-size: 1rem;
  text-align: left;
  padding: 10px;
  background: #2a2a2a;
  border-radius: 5px;
}
#stats p {
  margin: 5px 0;
}
#message {
  margin-top: 20px;
  font-size: 1.8rem;
  font-weight: 500;
  text-align: center;
}