/* Quiz Modern UI */
:root {
    --quiz-primary: #3776ab;
    /* Python Blue */
    --quiz-secondary: #ffda62;
    /* Python Yellow */
    --quiz-success: #28a745;
    --quiz-error: #dc3545;
    --quiz-bg: #ffffff;
    --quiz-text: #333333;
    --quiz-border: #e0e0e0;
    --quiz-hover: #f8f9fa;
    --quiz-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Dark Mode Overrides */
[data-md-color-scheme="slate"] {
    --quiz-bg: var(--md-card-bg-color, #1e2129);
    --quiz-text: var(--md-text-color, #e0e0e0);
    --quiz-border: var(--md-default-fg-color--lightest, #404040);
    --quiz-hover: rgba(255, 255, 255, 0.05);
    --quiz-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.quiz-container {
    background-color: var(--quiz-bg);
    padding: 1.5rem;
    border: 1px solid var(--quiz-border);
    border-radius: 12px;
    margin-bottom: 2rem;
    box-shadow: var(--quiz-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.quiz-container:hover {
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.quiz-question {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--quiz-text);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.quiz-option {
    cursor: pointer;
    padding: 0.8rem 1rem;
    margin-bottom: 0.5rem;
    border: 2px solid var(--quiz-border);
    border-radius: 8px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    font-size: 0.95rem;
}

.quiz-option:hover:not(.disabled) {
    background-color: var(--quiz-hover);
    border-color: var(--quiz-primary);
    transform: translateX(4px);
}

.quiz-option.selected {
    border-color: var(--quiz-primary);
    background-color: rgba(55, 118, 171, 0.1);
    /* slightly more opaque for dark mode visibility */
    font-weight: 500;
}

.quiz-option.correct {
    border-color: var(--quiz-success);
    background-color: rgba(40, 167, 69, 0.1);
    color: #155724;
}

.quiz-option.incorrect {
    border-color: var(--quiz-error);
    background-color: rgba(220, 53, 69, 0.1);
    color: #721c24;
}

.quiz-option::before {
    content: "";
    display: inline-block;
    width: 18px;
    height: 18px;
    margin-right: 12px;
    border: 2px solid var(--quiz-border);
    border-radius: 50%;
    transition: all 0.2s ease;
}

.quiz-option.selected::before {
    border-color: var(--quiz-primary);
    background-color: var(--quiz-primary);
    box-shadow: inset 0 0 0 3px var(--quiz-bg);
}

.quiz-option.correct::before {
    border-color: var(--quiz-success);
    background-color: var(--quiz-success);
    box-shadow: inset 0 0 0 3px var(--quiz-bg);
}

.quiz-option.incorrect::before {
    border-color: var(--quiz-error);
    background-color: var(--quiz-error);
    box-shadow: inset 0 0 0 3px var(--quiz-bg);
}

.quiz-feedback {
    margin-top: 1rem;
    padding: 0.8rem;
    border-radius: 6px;
    font-weight: 500;
    display: none;
    animation: fadeIn 0.3s ease;
}

.quiz-feedback.correct {
    background-color: rgba(40, 167, 69, 0.2);
    color: #155724;
    border-left: 4px solid var(--quiz-success);
}

.quiz-feedback.incorrect {
    background-color: rgba(220, 53, 69, 0.2);
    color: #721c24;
    border-left: 4px solid var(--quiz-error);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }

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

/* ========================================
   Dark Mode Enhancements
   ======================================== */

/* Dark mode specific styles for better contrast */
[data-md-color-scheme="slate"] .quiz-option.correct {
    background-color: rgba(40, 167, 69, 0.2);
    color: #90ee90;
    /* Light green for better contrast */
}

[data-md-color-scheme="slate"] .quiz-option.incorrect {
    background-color: rgba(220, 53, 69, 0.2);
    color: #ffb3ba;
    /* Light red for better contrast */
}

[data-md-color-scheme="slate"] .quiz-feedback.correct {
    background-color: rgba(40, 167, 69, 0.25);
    color: #90ee90;
    /* Light green */
    border-left-color: #90ee90;
}

[data-md-color-scheme="slate"] .quiz-feedback.incorrect {
    background-color: rgba(220, 53, 69, 0.25);
    color: #ffb3ba;
    /* Light red/pink for better readability */
    border-left-color: #ffb3ba;
}