/* General Styling */
body {
  font-family: Arial, sans-serif;
  padding: 20px;
  background-color: #f4f4f4;
  color: #333;
  max-width: 600px;
  margin: 0 auto;
}

h1 {
  text-align: center;
  color: #007bff;
}

form {
  display: flex;
  flex-direction: column;
  margin-bottom: 20px;
}

input[type="text"] {
  padding: 10px;
  font-size: 1.2em;
  margin-bottom: 10px;
  border: 2px solid #007bff;
  border-radius: 5px;
}

button {
  padding: 8px;
  font-size: 1.0em;
  background-color: #007bff;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

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

/* Result Styling */
#result {
  background-color: #fff;
  padding: 10px;
  border-radius: 5px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

h3 {
  text-align: center;
  margin: 5px;
}
p {
  font-size: 1.0em;
  margin: 10px 0;
}

strong {
  font-weight: bold;
}

/* Copy Button Styling */
.copy-btn {
  background-color: #28a745;
  color: white;
  border: none;
  padding: 5px 10px;
  cursor: pointer;
  margin-right: 10px;
  border-radius: 3px;
}

.copy-btn:hover {
  background-color: #218838;
}

#keypad-container {
  display: block; 
  grid-template-columns: repeat(6, 1fr);
  gap: 5px;
}

#calculate-btn {
  display: none;
}

.keypad-row {
  display: flex;
}

.keypad-btn {
  /*flex: 1;*/
  padding: 6px;
  margin: 2px;
  font-size: 1.5em;
  cursor: pointer;
  width: 15%;
}

.keypad-dbl {
  width: 30.7%;
}

#toggle-keypad-btn {
  margin-top: 10px;
  padding: 10px;
  font-size: 1em;
}

@media (max-width: 600px) {
  body {
    padding: 10px;
  }

  input[type="text"] {
    font-size: 1em;
  }

  button {
    font-size: 1em;
  }

  p {
    font-size: 1em;
  }
}