body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f0f0;
}

.container {
    text-align: center;
    padding: 20px;
    max-width: 100%;
    box-sizing: border-box;
}

h1 {
    font-size: 2em;
    margin-bottom: 20px;
}

.buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

button {
    padding: 15px 30px;
    font-size: 1.2em;
    cursor: pointer;
    border: none;
    border-radius: 5px;
    transition: background-color 0.3s;
    touch-action: manipulation;
}

#simBtn {
    background-color: #4CAF50;
    color: white;
}

#naoBtn {
    background-color: #f44336;
    color: white;
    position: relative;
}

#resultado {
    font-size: 4em;
    font-weight: bold;
    color: #4CAF50;
    margin-bottom: 20px;
    font-family: 'Permanent Marker', cursive;
    text-shadow: 2px 2px 2px black;
}

#catGif {
    display: none;
    max-width: 100%;
    height: auto;
    margin-top: 20px;
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.5em;
    }

    button {
        padding: 12px 24px;
        font-size: 1em;
    }

    #resultado {
        font-size: 1.5em;
    }
}