.options {
    height: 60px;
    width: 100%;
    max-width: 320px;
    background-color: #d0ebff;
    margin: 10px;
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
    border-radius: 16px;
    padding: 10px 20px;
    font-size: 18px;
    color: #003366;
    transition: all 0.3s ease;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border: 2px solid transparent;
}
.options:hover {
    border: 2px solid #00796b;
    transform: scale(1.03);
    background: linear-gradient(135deg, #d6e4ff, #c0ddff);
    cursor: pointer;
}
.container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    width: 90%;
    max-width: 700px;
    margin: 20px auto;
    padding: 20px;
    background-color: #f0f8ff;
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}
body {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    min-height: 80vh;
    background-color: #e0f2f1;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
}
.qus {
    width: 100%;
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
}
#qus {
    font-weight: bold;
    font-size: 22px;
    margin-bottom: 20px;
    color: #00695c;
    text-align: center;
}
#next {
    background-color: #00796b;
    color: white;
    padding: 10px 20px;
    margin-top: 10px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    transition: background-color 0.3s ease;
}
#next:hover {
    background-color: #004d40;
    cursor: pointer;
}
p {
    font-size: 18px;
    color: #333;
    margin: 10px 0;
}
.feedback {
    font-size: 18px;
    font-weight: 600;
    padding: 12px 20px;
    border-radius: 8px;
    margin-top: 15px;
    text-align: center;
    max-width: 90%;
    background-color: #f0f4f8;
    color: #333;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}
/* Correct and wrong coloring handled by JS */
.correct {
    background-color: #2ecc71 !important;
    color: white !important;
    border: 2px solid #27ae60;
}
.wrong {
    background-color: #e74c3c !important;
    color: white !important;
    border: 2px solid #c0392b;
}
/* Mobile responsiveness */
@media (max-width: 600px) {
    .options {
        font-size: 16px;
        padding: 8px 15px;
        width: 70%;
    }
    .container {
        width: 85%;
        padding: 10px;
    }
    #qus {
        font-size: 18px;
    }
    #next {
        font-size: 14px;
        padding: 8px 16px;
    }
    .feedback {
        font-size: 16px;
    }
}