body {
    font-family: sans-serif;
    line-height: 1.6;
    margin: 20px;
    background-color: #f4f4f4;
    color: #333;
}

h1 {
    text-align: center;
    color: #003366; /* GARP-like blue */
}

#quiz-container {
    max-width: 800px;
    margin: 20px auto;
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

#question-counter {
    text-align: right;
    color: #777;
    margin-bottom: 10px;
    font-size: 0.9em;
}

#question {
    font-size: 1.3em;
    font-weight: bold;
    margin-bottom: 25px;
    color: #003366;
}

#options-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

#options-list li {
    background-color: #eee;
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 5px;
    cursor: pointer;
    border: 1px solid #ddd;
    transition: background-color 0.3s ease;
}

#options-list li:hover:not(.disabled):not(.correct):not(.incorrect) {
    background-color: #ddd;
}

#options-list li.correct {
    background-color: #d4edda; /* Light green */
    color: #155724;
    border-color: #c3e6cb;
    font-weight: bold;
    cursor: default;
}

#options-list li.incorrect {
    background-color: #f8d7da; /* Light red */
    color: #721c24;
    border-color: #f5c6cb;
    font-weight: bold;
     cursor: default;
}

#options-list li.disabled {
    cursor: default;
    opacity: 0.7;
}


#feedback {
    margin-top: 20px;
    padding: 15px;
    border-radius: 5px;
    display: none; /* Hidden initially */
    border: 1px solid transparent;
}

#feedback.correct-feedback {
    background-color: #d4edda;
    color: #155724;
    border-color: #c3e6cb;
    display: block;
}

#feedback.incorrect-feedback {
     background-color: #f8d7da;
     color: #721c24;
     border-color: #f5c6cb;
     display: block;
}

#feedback p {
    margin: 0 0 10px 0;
    font-weight: bold;
}
#feedback .explanation {
    font-weight: normal;
    font-size: 0.95em;
}


#score-container {
    margin-top: 20px;
    font-weight: bold;
    text-align: right;
}

button {
    display: block;
    margin: 25px auto 0;
    padding: 12px 25px;
    background-color: #0056b3; /* Darker blue */
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1em;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #003366;
}

#results {
    text-align: center;
    margin-top: 30px;
}