body {
    background-color: #1a202c;
    color: white;
    font-family: Poppins, sans-serif;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

h1 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
}

h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
}

footer {
    display: flex;
    background-color: #2d3748;
    text-align: center;
    font-size: 2rem;
    margin-bottom: 20px;
}

.flex {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.space-x-4 > * + * {
    margin-left: 16px;
}

#app-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 10px;
}

@media (min-width: 768px) {
    #app-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    #app-list {
        grid-template-columns: repeat(3, 1fr);
    }
}

.app-card {
    background-color: #2d3748;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 12px;
}

.app-card img {
    width: 64px;
    height: 64px;
    border-radius: 8px;
}

.btn {
    background-color: #4a5568;
    color: white;
    padding: 8px 16px;
    border-radius: 5px;
    text-decoration: none;
    transition: background 0.3s;
    margin-top: 10px;
}

.btn:hover {
    background-color: #718096;
}