.quiz-hero {
    padding: 40px 0 30px;
}

.quiz-card {
    background: rgba(255, 255, 255, 0.94);
    border-radius: 30px;
    padding: 28px;
    box-shadow: 0 20px 55px rgba(36, 48, 68, 0.08);
    transition: all 0.25s ease;
}

.quiz-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 30px 75px rgba(36, 48, 68, 0.12);
}

.quiz-question-card {
    background: #ffffff;
    border-radius: 30px;
    padding: 28px;
    box-shadow: 0 18px 50px rgba(36, 48, 68, 0.08);
    margin-bottom: 24px;
}

.quiz-question-text {
    font-size: 1.25rem;
    font-weight: 900;
}

.quiz-option {
    border: 2px solid #edf2f7;
    border-radius: 20px;
    padding: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 800;
}

.quiz-option:hover {
    border-color: var(--green);
    background: var(--mint);
}

.quiz-option input {
    margin-right: 10px;
}

.result-score-card {
    background:
        radial-gradient(circle at top left, #ffe4ec, transparent 34%),
        radial-gradient(circle at bottom right, #e8f5ff, transparent 34%),
        #ffffff;
    border-radius: 34px;
    padding: 38px;
    box-shadow: 0 28px 80px rgba(36, 48, 68, 0.12);
}

.score-number {
    font-size: clamp(4rem, 10vw, 8rem);
    font-weight: 900;
    color: var(--green);
    line-height: 1;
}

.answer-review-card {
    background: #ffffff;
    border-radius: 28px;
    padding: 24px;
    box-shadow: 0 18px 50px rgba(36, 48, 68, 0.08);
    margin-bottom: 20px;
}

.answer-review-card.correct {
    border: 2px solid rgba(88, 204, 2, 0.25);
}

.answer-review-card.wrong {
    border: 2px solid rgba(244, 63, 94, 0.25);
}

.admin-question-card {
    background: #ffffff;
    border-radius: 28px;
    padding: 24px;
    box-shadow: 0 20px 55px rgba(36, 48, 68, 0.08);
}

.question-form-card {
    background: #ffffff;
    border-radius: 32px;
    padding: 34px;
    box-shadow: 0 28px 80px rgba(36, 48, 68, 0.1);
}

.ai-feedback-section {
    margin-top: 48px;
}

.ai-feedback-card {
    background:
        radial-gradient(circle at top left, #f1edff, transparent 34%),
        radial-gradient(circle at bottom right, #e8f5ff, transparent 34%),
        #ffffff;
    border-radius: 30px;
    padding: 28px;
    box-shadow: 0 22px 60px rgba(36, 48, 68, 0.1);
    margin-bottom: 24px;
    border: 1px solid rgba(124, 58, 237, 0.08);
}

.ai-feedback-header {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    align-items: start;
}

.ai-avatar {
    width: 54px;
    height: 54px;
    border-radius: 20px;
    display: grid;
    place-items: center;
    background: var(--purple);
    font-size: 1.8rem;
    flex-shrink: 0;
}

.ai-feedback-text {
    font-size: 1rem;
    line-height: 1.8;
}

.ai-feedback-text h3,
.ai-feedback-text h4,
.ai-feedback-text h5 {
    color: #6d28d9;
    margin-top: 16px;
    margin-bottom: 8px;
}

.ai-feedback-text strong {
    color: #6d28d9;
}

.ai-feedback-text ul,
.ai-feedback-text ol {
    padding-left: 20px;
    margin-bottom: 12px;
}

.ai-feedback-text li {
    margin-bottom: 4px;
}

.ai-feedback-text blockquote {
    border-left: 3px solid #6d28d9;
    padding-left: 12px;
    color: #555;
    margin: 12px 0;
    font-style: italic;
}

.ai-feedback-text code {
    background: rgba(109, 40, 217, 0.08);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'SFMono-Regular', Consolas, monospace;
    font-size: 0.9em;
    color: #6d28d9;
}

.ai-review-box {
    background: rgba(255, 255, 255, 0.76);
    border-radius: 24px;
    padding: 20px;
    border: 1px solid rgba(36, 48, 68, 0.06);
    line-height: 1.7;
}

.ai-review-box ul {
    padding-left: 20px;
    margin-bottom: 0;
    margin-top: 8px;
}

.ai-review-box li {
    margin-bottom: 6px;
}

.ai-review-box li::marker {
    color: #6d28d9;
}

.ai-topic-pill {
    display: inline-flex;
    background: var(--purple);
    color: #6d28d9;
    border-radius: 999px;
    padding: 7px 13px;
    font-weight: 900;
    font-size: 0.85rem;
}

.ai-empty-card {
    background: #ffffff;
    border-radius: 30px;
    padding: 34px;
    box-shadow: 0 18px 50px rgba(36, 48, 68, 0.08);
    text-align: center;
}

/* ===== Responsive ===== */
@media (max-width: 991px) {
    .quiz-hero {
        padding: 28px 0 20px;
    }

    .quiz-card {
        padding: 24px;
    }

    .result-score-card {
        padding: 30px;
    }
}

@media (max-width: 767px) {
    .quiz-hero {
        padding: 24px 0 16px;
    }

    .quiz-card {
        padding: 20px;
        border-radius: 24px;
    }

    .quiz-question-card {
        padding: 20px;
        border-radius: 24px;
    }

    .quiz-question-text {
        font-size: 1.1rem;
    }

    .result-score-card {
        padding: 24px 18px;
        border-radius: 24px;
    }

    .answer-review-card {
        padding: 18px;
        border-radius: 20px;
    }

    .ai-feedback-card {
        padding: 20px;
        border-radius: 24px;
    }

    .ai-empty-card {
        padding: 24px 18px;
        border-radius: 24px;
    }

    .admin-question-card,
    .question-form-card {
        padding: 20px;
        border-radius: 24px;
    }
}

@media (max-width: 430px) {
    .quiz-question-text {
        font-size: 1rem;
    }

    .result-score-card {
        padding: 20px 14px;
    }
}