/* Quiz Module Styles */
.quiz-container {
    padding: 60px 0;
    border-top: 1px solid var(--border);
    margin-top: 60px;
    background: linear-gradient(to bottom, var(--bg-primary), var(--bg-secondary));
}

#quiz-app {
    max-width: 800px;
    margin: 30px auto 0;
    min-height: 400px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    position: relative;
    overflow: hidden;
}

/* Intro & Results */
.quiz-intro, .quiz-results {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    animation: fadeIn 0.5s ease;
}

.quiz-badge {
    background: rgba(36, 150, 237, 0.1); /* Default blue tint */
    color: var(--docker-blue, #2496ED);
    padding: 6px 12px;
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Controls */
.quiz-btn {
    padding: 12px 24px;
    border-radius: 8px;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.quiz-btn.primary {
    background: var(--docker-blue, #2496ED);
    color: white;
}

.quiz-btn.primary:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
}

.quiz-btn.secondary {
    background: transparent;
    border: 1px solid var(--text-muted);
    color: var(--text-secondary);
}

/* Question Layout */
.quiz-header {
    margin-bottom: 24px;
}

.quiz-progress-bar {
    height: 6px;
    background: #334155;
    border-radius: 3px;
    margin-bottom: 8px;
    overflow: hidden;
}

.quiz-progress-bar div {
    height: 100%;
    background: var(--accent-green, #10b981);
    transition: width 0.3s ease;
}

.quiz-stats {
    text-align: right;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.quiz-question h4 {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 30px;
    line-height: 1.5;
}

.quiz-options {
    display: grid;
    gap: 12px;
}

.quiz-option {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px;
    background: #0f1624;
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-secondary);
    cursor: pointer;
    text-align: left;
    transition: all 0.2s;
}

.quiz-option:hover:not(.selected) {
    background: #1a2540;
    border-color: var(--text-muted);
}

.opt-letter {
    background: #1e293b;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    flex-shrink: 0;
}

.quiz-option.correct {
    background: rgba(16, 185, 129, 0.1);
    border-color: #10b981;
    color: #10b981;
}

.quiz-option.correct .opt-letter {
    background: #10b981;
    color: white;
}

.quiz-option.wrong {
    background: rgba(239, 68, 68, 0.1);
    border-color: #ef4444;
    color: #ef4444;
}

.quiz-option.wrong .opt-letter {
    background: #ef4444;
    color: white;
}

/* Feedback */
.quiz-feedback {
    margin-top: 24px;
    padding: 20px;
    border-radius: 12px;
    display: flex;
    gap: 16px;
    animation: slideUp 0.3s ease;
}

.quiz-feedback.success { background: rgba(16, 185, 129, 0.1); border-left: 4px solid #10b981; }
.quiz-feedback.error { background: rgba(239, 68, 68, 0.1); border-left: 4px solid #ef4444; }

.feedback-text strong { display: block; margin-bottom: 4px; font-size: 1.1rem; }
.quiz-controls { margin-top: 24px; text-align: right; }

.hidden { display: none !important; }

/* Score Circle */
.score-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 20px 0;
    position: relative;
}

.score-circle::before {
    content: '';
    position: absolute;
    inset: 8px;
    background: var(--bg-card);
    border-radius: 50%;
}

.score-circle span {
    position: relative;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

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