body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f5f5f5;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    max-width: 600px;
    width: 100%;
    text-align: center;
    padding: 20px;
}

h1 {
    color: #333;
    margin-bottom: 30px;
}

.question-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    min-height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#questionText {
    font-size: 1.5rem;
    line-height: 1.5;
    margin: 0;
    color: #2c3e50;
}

.next-button {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1.2rem;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.next-button:hover {
    background-color: #2980b9;
}

.next-button.clicked {
    transform: scale(0.95);
    opacity: 0.8;
}

@media (max-width: 480px) {
    .container {
        padding: 10px;
    }
    
    #questionText {
        font-size: 1.2rem;
    }
    
    .question-card {
        padding: 20px;
        min-height: 120px;
    }
}