.gameboy-container {
  background: linear-gradient(145deg, #0f0, #000000);
  padding: 5px;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4), inset 0 1px 1px rgba(255, 255, 255, 0.2);
  max-width: 98vw;
  width: 100%;
  box-sizing: border-box;
  margin: 2px auto;
  border: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.controls-container {
  display: flex;
  justify-content: space-around;
  align-items: center;
  width: 100%;
  margin-top: 10px;
  flex-wrap: wrap;
  gap: 10px;
}

.menu-buttons {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  padding: 15px;
  background-color: rgba(0, 0, 0, 0.3);
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.d-pad {
  display: grid;
  grid-template: repeat(3, 1fr) / repeat(3, 1fr);
  gap: 2px;
  width: 100px;
  height: 100px;
  margin: 5px auto;
  padding: 5px;
  background-color: rgba(0, 0, 0, 0.3);
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.d-pad button {
  background-color: #000000;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  color: white;
  font-size: 1.3rem;
  padding: 0;
  margin: 0;
  height: 100%;
  width: 100%;
  cursor: pointer;
  transition: all 0.1s ease;
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  user-select: none;
  touch-action: manipulation;
}

.d-pad button:hover {
  background-color: #ffffff;
  color: #000000;
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.5);
}

.d-pad button:active {
  transform: scale(0.95) translateY(0);
  background-color: #ffffff;
  color: #000000;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

@media (max-width: 768px) {
  .d-pad button {
    min-height: 44px; 
  }
  
  .d-pad {
    touch-action: manipulation;
    padding: 12px;
  }
  
  .menu-buttons {
    padding: 12px;
    size: 50px;
  }
}

@media (max-width: 480px) {
  .d-pad {
    width: 90px;
    height: 90px;
    padding: 3px;
    gap: 2px;
    margin-bottom: 5px;
  }
  
  .d-pad button {
    font-size: 1em;
  }
}

.d-pad .up {
  grid-area: 1 / 2;
}

.d-pad .left {
  grid-area: 2 / 1;
}

.d-pad .right {
  grid-area: 2 / 3;
}

.d-pad .down {
  grid-area: 3 / 2;
}

.difficulty-container {
  width: 100%;
  text-align: center;
  margin-bottom: 20px;
}

.menu-buttons button {
  width: 120px;
  margin: 2px;
  font-weight: bold;
  background: linear-gradient(to bottom, rgb(26, 54, 26), #000000);
  color: #0f0;
  border: 1px solid #0f0;
  border-radius: 6px;
  padding: 5px 10px;
  font-size: 1.2em;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
  text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.7);
  cursor: pointer;
}

.menu-buttons button:hover {
  background: linear-gradient(to bottom, #0f0, #000000);
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.menu-buttons button:active {
  background: linear-gradient(to bottom, #3a3a3a, #1a1a1a);
  transform: scale(0.95) translateY(0);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

@media (max-width: 480px) {
  .menu-buttons {
    width: 100%;
    max-width: 300px;
    padding: 5px;
  }
  
  .menu-buttons button {
    width: 100%;
    max-width: 140px;
  }
}