* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: system-ui, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: #f5f5f5;
}

main {
    text-align: center;
}

h1 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

#counter {
    font-size: 4rem;
    font-weight: bold;
    color: #111;
    margin-bottom: 1.5rem;
}

#increment {
    font-size: 1.25rem;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 8px;
    background: #3b82f6;
    color: white;
    cursor: pointer;
}

#increment:hover {
    background: #2563eb;
}