body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #1e1e1e;
    color: white;
}

#app {
    width: 100%;
    max-width: 800px;
    background: #2c2c2c;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100vh;
}

header {
    background: #1e1e1e;
    color: white;
    padding: 1rem;
    text-align: center;
    border-bottom: 1px solid #444;
}

main {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.grid-item {
    padding: 1rem;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    cursor: pointer;
    background: var(--gradient);
}

.grid-item img {
    width: 50px;
    height: 50px;
    margin-bottom: 1rem;
}

.grid-item h2 {
    font-size: 1.25rem;
    margin: 0;
}

footer {
    background: #333;
    padding: 1rem;
    text-align: center;
    border-top: 1px solid #444;
}

button {
    background-color: #007aff;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background-color: #005bb5;
}