#app {
  width: 100%;
  height: auto;
  margin: 0;
  padding: 0;
  border: none;
  box-sizing: border-box;
}

#button-panel button {
  margin: 5px;
  background-color: #e7e7e7;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 10px;
  cursor: pointer;
  font-size: 16px; /* Ensure readability on all devices */
}

#button-panel button:hover {
  background-color: #dcdcdc;
}

#product-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 16px;
  text-align: left;
}

#product-table th,
#product-table td {
  border: 1px solid #ddd;
  padding: 8px;
}

#product-table th {
  background-color: #f4f4f4;
  color: #333;
}

textarea {
  width: 100%; /* Full width to fit smaller screens */
  height: 150px; /* Adjusted height for better visibility */
  margin: 10px 0; /* Added spacing for usability */
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 16px;
  resize: none; /* Disable resizing for a consistent layout */
}

/* Mobile-specific adjustments */
@media (max-width: 768px) {
  #app {
    padding: 5px; /* Slight padding for better layout */
  }

  #button-panel button {
    font-size: 14px; /* Slightly smaller font size for compactness */
    width: 100%; /* Buttons stretch fully on smaller screens */
  }

  textarea {
    font-size: 14px; /* Slightly smaller font for readability */
    height: 120px; /* Reduced height for better mobile fit */
  }
}