body {
    font-family: 'Vazirmatn', Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #2c3e50, #34495e);
    text-align: center;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
header {
    background: linear-gradient(135deg, #1f2c3a, #283a4d);
    color: white;
    padding: 20px 0;
    box-shadow: 0px 4px 15px rgba(0, 0, 0, 0.3);
}
main {
    padding: 40px;
    background: white;
    border-radius: 15px;
    box-shadow: 0px 6px 15px rgba(0, 0, 0, 0.15);
    width: 80%;
    margin: 40px auto;
    transition: all 0.3s ease-in-out;
}
main:hover {
    transform: scale(1.02);
}
footer {
    background: #222;
    color: white;
    padding: 15px 0;
    position: fixed;
    width: 100%;
    bottom: 0;
    box-shadow: 0px -4px 15px rgba(0, 0, 0, 0.3);
}
form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}
input {
    padding: 10px;
    font-size: 16px;
    border-radius: 5px;
    border: 1px solid #ccc;
}
button {
    padding: 10px;
    background-color: #007bff;
    color: white;
    border-radius: 5px;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}
button:hover {
    background-color: #0056b3;
}