body {
    font-family: CorreioSans-ExtraBold,-apple-system,BlinkMacSystemFont,Segoe UI;
    display: flex;
    justify-content: center;
    margin: 10px;
}

.quiz-container {
    background: white;
    padding: 20px;
    border-radius: 16px;
    box-shadow: 0px 2px 8px rgba(0, 0, 0, 0.15);
    max-width: 90%;
    animation: fadeIn 0.8s ease;
}

h1 {
    font-size: 30px;
    margin-bottom: 20px;
    color: #4da6ff;
}

h2 {
    margin-bottom: 15px;
    font-size: 1.5em;
    color: #004d80;
}

.options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

button {
    background: #4da6ff;
    color: white;
    border: none;
    padding: 12px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 18px;
}

button:hover {
    background: #3385cc;
    transform: scale(1.02);
}

/* feedback */
.correct {
    background: #6fcf97 !important;
    animation: pulse 0.4s ease;
}

.incorrect {
    background: #ff6b6b !important;
    animation: shake 0.4s ease;
}

.result {
    text-align: center;
    font-size: 18px;
    color: #004d80;
    animation: zoomIn 0.6s ease;
}

/* animações */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }

    100% {
        transform: scale(1);
    }
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-5px);
    }

    75% {
        transform: translateX(5px);
    }
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}