/* CSS Styles */
body {
  font-family: Arial, sans-serif;
  background-color: #f0f0f0;
}

table {
  border-collapse: collapse;
  width: 100%;
  margin-bottom: 20px;
  background-color: #fff;
  border-radius: 5px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

th {
  background-color: #f2f2f2;
  color: #333;
  font-weight: bold;
  text-align: left;
  padding: 10px;
}

td {
  border: 1px solid #ddd;
  padding: 10px;
}

tr:nth-child(even) {
  background-color: #f9f9f9;
}

tr.error {
  background-color: #b0b0b0;
}

tr.off {
  background-color: #ef9a9a;
}

tr.on {
  background-color: #a5d6a7;
}

tr:hover {
  background-color: #f0f0f0;
}

button {
  padding: 5px 10px;
  background-color: #4caf50;
  color: #fff;
  border: none;
  border-radius: 3px;
  cursor: pointer;
}

button:disabled {
  background-color: #cccccc;
  cursor: not-allowed;
}

input[type="text"] {
  padding: 5px;
  border: 1px solid #ddd;
  border-radius: 3px;
  width: 20%;
  box-sizing: border-box;
}

input[type="text"]:focus {
  outline: none;
  border-color: #4caf50;
  box-shadow: 0 0 5px rgba(76, 175, 80, 0.5);
}