.quiz-container {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

.quiz-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 1rem 1.5rem 2rem;
    background: linear-gradient(to top, var(--color-bg) 80%, transparent);
    z-index: 50;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.quiz-counter {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-muted);
    letter-spacing: 0.025em;
}

.quiz-pills {
    display: flex;
    gap: 0.75rem;
    width: 100%;
    max-width: 500px;
    padding: 0 1rem;
}

.quiz-pill {
    flex: 1;
    height: 8px;
    background: var(--color-surface-start);
    border-radius: 999px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.quiz-pill.active {
    background: var(--color-accent);
    transform: scaleY(1.3);
}

.quiz-pill.correct {
    background: #7CEA9C
}

.quiz-pill.incorrect {
    background: #f87171
}

.quiz-page {
    display: none;
    animation: quizFadeIn 0.3s ease forwards;
}

.quiz-page.active {
    display: block;
}

.quiz-question {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-main);
    margin-bottom: 1.25rem;
    line-height: 1.5;
}

.quiz-choices {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.quiz-choice {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 0.875rem 1rem;
    border: 2px solid var(--color-border);
    border-radius: 0.75rem;
    background: var(--color-card-bg);
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
    -webkit-user-select: none;
}

.quiz-choice:hover:not(.disabled) {
    border-color: var(--color-accent);
    background: var(--color-surface-start);
}

.quiz-choice.disabled {
    cursor: default;
    pointer-events: none;
}

.quiz-choice-label {
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--color-surface-start);
    color: var(--color-text-muted);
    font-weight: 700;
    font-size: 0.8rem;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.quiz-choice-text {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.4;
    transition: color 0.2s ease;
}

.quiz-choice.selected {
    border-color: var(--color-accent);
    background: var(--color-surface-start);
}

.quiz-choice.selected .quiz-choice-label {
    background: var(--color-accent);
    color: var(--color-bg);
}

.quiz-choice.selected .quiz-choice-text {
    color: var(--color-text-main);
}

.quiz-choice.correct {
    border-color: var(--color-accent);
    background: rgba(124, 234, 156, 0.08);
}

.quiz-choice.correct .quiz-choice-label {
    background: var(--color-accent);
    color: var(--color-bg);
}

.quiz-choice.correct .quiz-choice-text {
    color: var(--color-text-main);
}

.quiz-choice.incorrect {
    border-color: #f87171;
    background: rgba(248, 113, 113, 0.08);
}

.quiz-choice.incorrect .quiz-choice-label {
    background: #f87171;
    color: white;
}

.quiz-choice.incorrect .quiz-choice-text {
    color: var(--color-text-main);
}

.quiz-feedback {
    margin-top: 1.25rem;
    padding: 1rem 1.25rem;
    font-size: 0.9rem;
    line-height: 1.5;
    display: none;
    animation: quizFadeIn 0.3s ease forwards;
    align-items: center;
    gap: 0.875rem;
    margin-left: -1rem;
    margin-right: -1rem;
    border-radius: 0;
}

.quiz-feedback.visible {
    display: flex;
}

.quiz-feedback-icon {
    width: 2rem;
    height: 2rem;
    margin-bottom: 4px;
    flex-shrink: 0;
}

.quiz-feedback-text {
    flex: 1;
    font-size: 14px;
}

.quiz-feedback.correct {
    background: linear-gradient(to bottom, var(--color-surface-start), var(--color-surface-end));
    color: var(--color-text-main);
    font-weight: 600;
    border: 1px solid var(--color-border);
}

[data-theme="light"] .quiz-feedback.correct {
    background: #ecfdf5;
    border-color: var(--color-accent);
    color: #064e3b;
}

.quiz-feedback.incorrect {
    background: linear-gradient(to bottom, var(--color-surface-start), var(--color-surface-end));
    color: var(--color-text-main);
    font-weight: 600;
    border: 1px solid var(--color-border);
}

[data-theme="light"] .quiz-feedback.incorrect {
    background: #fef2f2;
    border-color: #f87171;
    color: #7f1d1d;
}

@media (min-width: 768px) {
    .quiz-feedback {
        margin-left: 0;
        margin-right: 0;
        border-radius: 0.75rem;
    }
}

.quiz-nav {
    display: flex;
    justify-content: flex-end;
    margin-top: 1.5rem;
}

.quiz-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    border: none;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.9rem;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--color-accent);
    color: var(--color-bg);
    opacity: 0;
    pointer-events: none;
    transform: translateY(4px);
}

.quiz-nav-btn.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.quiz-nav-btn:hover {
    opacity: 0.9;
}

.quiz-nav-btn svg {
    width: 1rem;
    height: 1rem;
}

.quiz-results {
    display: none;
    text-align: center;
    animation: quizFadeIn 0.4s ease forwards;
}

.quiz-results.active {
    display: block;
}

.quiz-results-score {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.quiz-results-label {
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.quiz-results-message {
    font-size: 1.1rem;
    color: var(--color-text-main);
    font-weight: 600;
    margin-bottom: 2rem;
}

.quiz-results-actions {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.quiz-results-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.9rem;
    font-family: inherit;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}

.quiz-results-btn.secondary {
    background: var(--color-surface-start);
    color: var(--color-text-main);
}

.quiz-results-btn.secondary:hover {
    background: var(--color-surface-end);
}

.quiz-results-btn.primary {
    background: var(--color-accent);
    color: var(--color-bg);
}

.quiz-results-btn.primary:hover {
    opacity: 0.9;
}

@keyframes quizFadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

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