body {
    font-family: sans-serif;
    background-color: #f0f0f0;
    margin: 0;
    padding: 20px;
}

.container {
    width: 80%;
    max-width: 800px;
    margin: 0 auto;
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #333;
}

.form-container {
    margin-bottom: 20px;
}

input[type="text"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

#results ul {
    list-style-type: none;
    padding: 0;
}

#results li {
    padding: 10px;
    border-bottom: 1px solid #eee;
}

#results li:last-child {
    border-bottom: none;
}

.airport-item {
    cursor: pointer;
}

.airport-item:hover {
    background-color: #f9f9f9;
}

.view-controls {
    text-align: center;
    margin-bottom: 20px;
}

.view-controls button {
    margin: 0 5px;
    padding: 8px 12px;
    cursor: pointer;
    border: 1px solid #007bff;
    background-color: #fff;
    color: #007bff;
    border-radius: 4px;
}

.view-controls button:hover {
    background-color: #007bff;
    color: #fff;
}

#graph {
    width: 100%;
    height: 700px; /* Increased height for more space */
    border: 1px solid #ccc;
    margin-top: 20px;
}