body {
  font-family: Arial, sans-serif;
  max-width: 700px;
  margin: 20px auto;
  background: #f0f4f8;
  color: #222;
  padding: 0 15px;
}

header {
  text-align: center;
  margin-bottom: 20px;
}

nav button {
  margin: 5px;
  padding: 10px 15px;
  border: none;
  background: #0077cc;
  color: white;
  border-radius: 4px;
  cursor: pointer;
  font-weight: bold;
}

nav button:hover,
nav button.active {
  background: #005fa3;
}

.tab-content {
  display: none;
  background: white;
  padding: 15px 20px;
  border-radius: 8px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
  margin-bottom: 20px;
}

.tab-content.active {
  display: block;
}

input[type="text"],
input[type="number"],
select {
  width: 100%;
  padding: 8px;
  margin: 6px 0 12px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
  box-sizing: border-box;
}

label {
  font-weight: bold;
  display: block;
}

button {
  background: #0077cc;
  color: white;
  border: none;
  padding: 10px 15px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
}

button:hover {
  background: #005fa3;
}

#airportResults {
  margin-top: 10px;
}

.airport-card {
  border-bottom: 1px solid #ddd;
  padding-bottom: 10px;
  margin-bottom: 10px;
}

.airport-card h3 {
  margin: 0 0 5px;
}

.airport-card p {
  margin: 2px 0;
}