body {
    font-family: Arial, sans-serif;
    background: linear-gradient(to right, #ffecd2, #fcb69f);
    padding: 20px;
    text-align: center;
    color: #333;
}

h1 {
    margin-bottom: 20px;
    font-size: 2rem;
    color: #fff;
    text-shadow: 1px 1px 4px #000;
}

#quiz-box {
    background: #fff;
    padding: 20px;
    max-width: 500px;
    margin: 0 auto;
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.3);
}

button {
    display: block;
    width: 100%;
    margin: 8px 0;
    padding: 12px;
    font-size: 16px;
    cursor: pointer;
    border: none;
    border-radius: 8px;
    transition: 0.3s;
}

button:hover {
    transform: scale(1.05);
}

.correct {
    background-color: #4CAF50;
    color: white;
    font-weight: bold;
}

.wrong {
    background-color: #f44336;
    color: white;
    font-weight: bold;
}

#feedback {
    padding: 10px;
    border-radius: 8px;
    margin-top: 12px;
}

#result {
    font-size: 1.2rem;
    margin-bottom: 6px;
}

#explanation {
    font-size: 0.95rem;
    color: #333;
}

.correct + #feedback {
    background-color: #d4edda;
}

.wrong + #feedback {
    background-color: #f8d7da;
}

#next-btn {
    background-color: #2196F3;
    color: white;
    font-size: 16px;
    margin-top: 12px;
}

#next-btn i {
    margin-right: 6px;
}