/* Card container for categories */
.card-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.category-card {
    background: #eaf1ff;
    border: 2px solid #4f8cff;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.07);
    padding: 2rem 1rem;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
}
.category-card:hover {
    transform: translateY(-6px) scale(1.03);
    box-shadow: 0 6px 20px rgba(79,140,255,0.15);
    background: #d0e2ff;
}
.category-card h3 {
    margin-top: 0;
    color: #4f8cff;
    font-size: 1.3rem;
}
.category-card p {
    color: #333;
    font-size: 1rem;
    margin-bottom: 0;
}
body {
    font-family: Arial, sans-serif;
    background: #f4f6fb;
    margin: 0;
    padding: 0;
}
header {
    background: #4f8cff;
    color: white;
    padding: 2rem 1rem;
    text-align: center;
}
main {
    max-width: 500px;
    margin: 2rem auto;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    padding: 2rem;
}
#options button {
    display: block;
    width: 100%;
    margin: 0.5rem 0;
    padding: 0.75rem;
    font-size: 1rem;
    border: 1px solid #4f8cff;
    border-radius: 4px;
    background: #eaf1ff;
    cursor: pointer;
    transition: background 0.2s;
}
#options button:hover {
    background: #d0e2ff;
}
#result {
    margin-top: 1rem;
    font-weight: bold;
}