* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: lightcyan;
  text-align: center;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
}

h1 {
  background-color: #081b31;
  color: #fff;
  height: 5rem;
  line-height: 5rem;
  font-size: clamp(1.5rem, 3vw, 2rem); /* Scales with screen size */
}

#ins {
  padding-top: 10px;
  margin: 20px;
  color: dodgerblue;
  font-size: clamp(1rem, 10vw, 2rem); 
}

.container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 60vh;
  margin: 20px;
}

.game {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 1.6vmin;
  width: min(60vmin, 90vw); /* Ensures grid doesn't overflow */
  height: min(60vmin, 90vw);
}

.box {
  display: flex;
  justify-content: center;
  align-items: center;
  height: min(18vmin, 30vw);
  width: min(18vmin, 30vw);
  border-radius: 1rem;
  border: none;
  box-shadow: 0 0 0.5rem rgba(0, 0, 0, 0.2);
  font-size: clamp(6vmin, 8vw, 8vmin);
  color: #b0413e;
  background-color: #ffffc7;
  cursor: pointer;
}

#print {
  color: dodgerblue;
  font-size: clamp(1rem, 10vw, 2rem); 
  margin-bottom: 10px;
}

#reset-btn {
  padding: 0.8rem 1.5rem;
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  background-color: #191913;
  color: #fff;
  border-radius: 1rem;
  border: none;
  cursor: pointer;
  margin-top: 10px;
}

#reset-btn:hover {
  background-color: #005f73;
}

/* Responsive Design */

@media (max-width: 480px) {
  h1 {
    height: 3.5rem;
    line-height: 3.5rem;
  }

  #ins {
    font-size: 1.5rem;
  }

  .container {
    height: 50vh;
  }

  .game {
    width: 90vmin;
    height: 90vmin;
    gap: 1.3rem;
  }

  .box {
    height: 26vmin;
    width: 26vmin;
  }

  #print {
    font-size: 1.5rem;
  }

  #reset-btn {
    font-size: 1.5rem;
    padding: 0.75rem 1.2rem;
  }
}