body {
  font-family: 'Arial', sans-serif;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  height: 100vh;
  background-color: #f0f2f5;
}

.menu {
  overflow: hidden;
  background-color: #007bff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.menu a {
  float: left;
  display: block;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  transition: background-color 0.3s ease;
}

.menu a:hover {
  background-color: #0056b3;
  color: white;
}

.content-wrapper {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 20px;
  overflow-y: auto;
  height: calc(100vh - 50px);
}

.content {
  display: none;
  width: 100%;
  max-width: 800px;
  padding: 20px;
  background: white;
  border: 1px solid #ddd;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  box-sizing: border-box;
  position: relative;
}

.content.active {
  display: block;
}

.status-box {
  float: right;
  border: 1px solid black;
  padding: 5px 10px;
  border-radius: 8px;
  color: white;
  font-weight: bold;
  margin-top: 8px;
  margin-right: 8px;
}

.status-online {
  background-color: green;
}

.status-offline {
  background-color: red;
}

input[type="file"] {
  display: none;
}

.custom-file-upload {
  border: 2px solid #007bff;
  display: inline-block;
  padding: 6px 12px;
  cursor: pointer;
  border-radius: 4px;
  background-color: #007bff;
  color: white;
  font-weight: bold;
  transition: background-color 0.1s ease;
}

.custom-file-upload:hover {
  background-color: #0056b3;
}

.progress {
  width: 100%;
  background-color: #f3f3f3;
  border: 1px solid #ccc;
  border-radius: 5px;
  overflow: hidden;
  display: none;
  margin-top: 10px;
}

.progress-bar {
  height: 20px;
  background-color: #4caf50;
  width: 0;
  text-align: center;
  color: white;
  line-height: 20px;
  transition: width 0.1s ease;
}

/* Overlay styles */
.overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  color: white;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 20px;
  border-radius: 5px;
  display: none;
}

.overlay.show {
  display: flex;
}

/* Button styles */
.btn {
  background-color: #007bff;
  color: white;
  border: none;
  padding: 10px 20px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 10px 0;
  cursor: pointer;
  border-radius: 4px;
  transition: background-color 0.3s ease;
}

.btn:hover {
  background-color: #0056b3;
}

/* Radio group styles */
.radio-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.radio-group input[type="radio"] {
  margin-right: 5px;
}

.lab {
  font-weight: bold;
}

.tables-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  margin-top: 20px;
}

.price-table {
  border-collapse: collapse;
  width: 100%;
}

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

.price-table th {
  background-color: #f2f2f2;
  color: black;
}

.price-table td {
  font-size: 1.2em;
  font-weight: bold;
}