body {
  font-family: Arial, sans-serif;
  padding: 20px;
}

h1 {
  color: #333;
}

.device-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

.device-table th, .device-table td {
  padding: 8px 12px;
  border: 1px solid #ddd;
  text-align: left;
}

.device-table th {
  background-color: #007acc;
  color: white;
}

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

.device-table tr:hover {
  background-color: #e0f0ff;
}

.fa-lightbulb {
  font-size: 1.4rem;
}

.fa-lightbulb.on {
  color: #ffc107; /* yellow glow */
  text-shadow: 0 0 6px #ffc107;
}

.fa-lightbulb.off {
  color: #bbb;
}
#refresh-controls {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  margin-top: 20px;
  margin-bottom: 10px;
  gap: 1rem;
}

#refresh-now {
  font-size: 1.2rem;
  padding: 6px 12px;
  border-radius: 6px;
  background: #007acc;
  color: white;
  border: none;
  cursor: pointer;
}

#refresh-now:hover {
  background-color: #005fa3;
}

.refresh-options label {
  margin-left: 10px;
}