body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #f4f6f8;
  color: #333;
}

nav {
  background: #34495e;
  padding: 10px;
}
nav a {
  color: white;
  margin-right: 15px;
  text-decoration: none;
}
nav a:hover {
  text-decoration: underline;
}

main {
  padding: 20px;
}

h1, h2 {
  color: #2c3e50;
}

.current-ip {
  padding: 10px;
  margin-bottom: 20px;
  background: #ecf0f1;
  border-radius: 6px;
  border: 1px solid #ccc;
}
.current-ip .highlight {
  color: green;
  font-weight: bold;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 15px;
}
th, td {
  padding: 10px;
  border-bottom: 1px solid #ddd;
}
th {
  background: #34495e;
  color: white;
}
tr:nth-child(even) {
  background: #f9f9f9;
}

input#search {
  margin-bottom: 10px;
  padding: 8px;
  width: 100%;
  max-width: 400px;
}

.btn {
  display: inline-block;
  padding: 10px 20px;
  background: #3498db;
  color: white;
  border-radius: 6px;
  text-decoration: none;
}
.btn:hover {
  background: #2980b9;
}