body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
    line-height: 1.6;
}

header {
    text-align: center;
    padding: 1.5rem;
    background-color: #007BFF;
    color: #fff;
}

.logo {
    width: 80px;
    height: auto;
    margin-bottom: 1rem;
}

.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #007BFF;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: auto;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

main {
    max-width: 600px;
    margin: 2rem auto;
    padding: 1rem;
    background: #fff;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

input[type="text"] {
    padding: 0.5rem;
    font-size: 1rem;
    border: 1px solid #ccc;
    border-radius: 5px;
}

button {
    padding: 0.7rem;
    background-color: #007BFF;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
    transform: scale(1.05);
    transition: all 0.3s ease-in-out;
}

.hidden {
    display: none;
}

#results {
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

#results.visible {
    opacity: 1;
}