body {
  font-family: Arial, sans-serif;
  background-color: #1c1c1c;
  color: #fff;
  text-align: center;
  margin: 0;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.container {
  width: 500px;
  max-width: 400px;
  margin: 0 auto;
  padding: 20px;
  background-color: #4d4536;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

#code-display {
  font-size: 24px;
  font-weight: bold;
  background-color: #b6b22e;
  padding: 10px;
  margin: 10px auto;
  width: 50%;
  border-radius: 5px;
}

#defuse-timer {
  font-size: 24px;
  font-weight: bold;
  background-color: #444;
  padding: 10px;
  margin: 10px auto;
  width: 250px;
  border-radius: 5px;
}

.keypad {
  max-width: 400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 10px;
  padding: 20px;
}

.keypad-btn,
#clear-btn,
#submit-arm-code {
  padding: 20px;
  font-size: 18px;
  background-color: #f8fbdb;
  color: #333333;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

.keypad-btn:hover,
#clear-btn:hover,
#submit-arm-code:hover {
  background-color: #0056b3;
}

#hold-to-disarm {
  padding: 20px;
  font-size: 18px;
  background-color: #28a745;
  color: #fff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  user-select: none;
}

#hold-to-disarm:hover {
  background-color: #218838;
}

button {
  padding: 10px 20px;
  font-size: 16px;
  color: #fff;
  background-color: #007bff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background-color: #0056b3;
}

#timer {
  font-size: 24px;
  font-weight: bold;
}

#result-message {
  font-size: 24px;
  margin-top: 20px;
}

.hidden {
  display: none;
}