@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600&display=swap');

body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #f5f7fa, #c3cfe2);
    color: #333;
}

header {
    background: linear-gradient(to right, #4facfe, #00f2fe);
    color: white;
    padding: 20px;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

nav {
    margin: 15px 0;
    text-align: center;
}

nav a {
    background-color: #007BFF;
    color: white;
    padding: 10px 20px;
    margin: 8px;
    text-decoration: none;
    border-radius: 30px;
    display: inline-block;
    transition: background-color 0.3s ease;
    font-weight: 600;
}

nav a:hover {
    background-color: #0056b3;
}

main {
    padding: 30px;
    text-align: center;
}

h1, h2, h3 {
    color: #2c3e50;
}

iframe {
    width: 90%;
    height: 450px;
    border: 3px solid #007BFF;
    border-radius: 10px;
    margin-top: 30px;
}

form input[type="text"] {
    padding: 10px;
    width: 300px;
    border-radius: 8px;
    border: 1px solid #ccc;
    font-size: 16px;
}

form button {
    padding: 10px 20px;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    margin-left: 10px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

form button:hover {
    background-color: #1e7e34;
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

th, td {
    padding: 12px;
    text-align: center;
    border-bottom: 1px solid #ddd;
}

th {
    background-color: #17a2b8;
    color: white;
}