body {
  background-color: #f4f6f8;
  font-family: "Segoe UI", sans-serif;
  text-align: center;
  padding: 40px;
  color: #333;
}

.container {
  max-width: 500px;
  margin: auto;
  background: #fff;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

h1 {
  color: #2c3e50;
  margin-bottom: 30px;
}

h2 {
  margin-top: 0;
  margin-bottom: 15px;
  color: #34495e;
}

.device {
  margin: 25px 0;
  padding-bottom: 10px;
  border-bottom: 1px solid #ccc;
}

button {
  background-color: #3498db;
  border: none;
  color: white;
  padding: 12px 20px;
  margin: 10px;
  font-size: 16px;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s;
}

button:hover {
  background-color: #2980b9;
}

p {
  font-weight: bold;
  font-size: 16px;
  margin-top: 10px;
}

.sensor-value {
  transition: all 0.3s ease-in-out;
  font-weight: bold;
}

.green {
  color: green;
}

.orange {
  color: orange;
}

.red {
  color: red;
}

@media (max-width: 600px) {
  .container {
    padding: 20px;
  }

  button {
    width: 45%;
    margin: 5px;
  }

  h2 {
    font-size: 1.2rem;
  }

  p {
    font-size: 14px;
  }
}