/* Quiz Modern UI - Premium Theme */
:root {
    --quiz-primary: var(--md-primary-fg-color, #009688);
    --quiz-accent: var(--md-accent-fg-color, #ffc107);
    --quiz-success: #2e7d32;
    --quiz-error: #c62828;
    --quiz-bg: var(--md-card-bg-color, #ffffff);
    --quiz-text: var(--md-typeset-color, #333333);
    --quiz-border: rgba(0, 0, 0, 0.1);
    --quiz-hover: rgba(0, 150, 136, 0.05);
    --quiz-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

[data-md-color-scheme="slate"] {
    --quiz-bg: #2e303e;
    --quiz-text: #e0e0e0;
    --quiz-border: rgba(255, 255, 255, 0.1);
    --quiz-hover: rgba(255, 255, 255, 0.05);
    --quiz-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.quiz-container {
    background-color: var(--quiz-bg);
    padding: 2rem;
    border: 1px solid var(--quiz-border);
    border-radius: 12px;
    margin-bottom: 2.5rem;
    box-shadow: var(--quiz-shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.quiz-container::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--quiz-primary);
    opacity: 0.6;
}

.quiz-question {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--quiz-text);
    margin-bottom: 1.5rem;
    line-height: 1.4;
}

.quiz-option {
    cursor: pointer;
    padding: 1rem 1.2rem;
    margin-bottom: 0.75rem;
    border: 1px solid var(--quiz-border);
    border-radius: 8px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    font-size: 1rem;
    background-color: transparent;
}

.quiz-option:hover:not(.disabled) {
    background-color: var(--quiz-hover);
    border-color: var(--quiz-primary);
    transform: translateX(8px);
}

.quiz-option.selected {
    border-color: var(--quiz-primary);
    background-color: rgba(0, 150, 136, 0.1);
    border-width: 2px;
}

.quiz-option.correct {
    border-color: var(--quiz-success);
    background-color: rgba(46, 125, 50, 0.1);
    color: var(--quiz-success);
}

.quiz-option.incorrect {
    border-color: var(--quiz-error);
    background-color: rgba(198, 40, 40, 0.1);
    color: var(--quiz-error);
}

.quiz-option::before {
    content: "";
    display: inline-block;
    width: 20px;
    height: 20px;
    min-width: 20px;
    margin-right: 15px;
    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: 1.5rem;
    padding: 1rem;
    border-radius: 8px;
    font-size: 0.95rem;
    line-height: 1.5;
    display: none;
    animation: slideDown 0.4s ease forwards;
}

.quiz-feedback.correct {
    background-color: rgba(46, 125, 50, 0.15);
    color: var(--quiz-success);
    border: 1px solid var(--quiz-success);
}

.quiz-feedback.incorrect {
    background-color: rgba(198, 40, 40, 0.15);
    color: var(--quiz-error);
    border: 1px solid var(--quiz-error);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Dark mode contrast fixes */
[data-md-color-scheme="slate"] .quiz-option.correct { color: #81c784; }
[data-md-color-scheme="slate"] .quiz-option.incorrect { color: #e57373; }
[data-md-color-scheme="slate"] .quiz-feedback.correct { color: #81c784; border-color: #81c784; }
[data-md-color-scheme="slate"] .quiz-feedback.incorrect { color: #e57373; border-color: #e57373; }