.note-meta-info {
    display: flex;
    gap: 20px;
    align-items: center;
    margin: 12px 0;
    font-size: 14px;
    color: var(--text-secondary);
    flex-wrap: wrap;
}

.note-date,
.note-reading-time {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
}

.note-categories {
    display: flex;
    gap: 8px;
    margin-top: 15px;
    flex-wrap: wrap;
}

.category-tag {
    display: inline-block;
    padding: 6px 14px;
    background: linear-gradient(135deg, var(--alpha-primary-10), var(--alpha-purple-500-10));
    color: var(--accent-blue);
    border: 1px solid var(--alpha-primary-30);
    border-radius: var(--radius-3xl);
    font-size: 12px;
    font-weight: 600;
    text-transform: capitalize;
    transition: all 0.3s ease;
}

.category-tag:hover {
    background: linear-gradient(135deg, var(--alpha-primary-20), var(--alpha-purple-500-20));
    border-color: var(--accent-blue);
    transform: translateY(-2px);
}

.dark-theme .category-tag {
    color: var(--accent-blue);
    border-color: var(--alpha-primary-40);
}

.reading-time {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--alpha-primary-08);
    padding: 4px 10px;
    border-radius: var(--radius-xl);
    font-weight: 500;
}

#sn-subjects-container .reading-time {
    background: var(--alpha-purple-500-08);
    color: var(--accent-purple);
}

.exercise-content-wrapper {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
}

.exercise-content-wrapper p {
    margin-bottom: 18px !important;
    line-height: 1.75 !important;
    color: var(--text-primary) !important;
    font-size: 15px;
    text-align: justify;
}

.exercise-content-wrapper li {
    margin-bottom: 10px !important;
    line-height: 1.7 !important;
    color: var(--text-primary) !important;
    font-size: 15px;
}

.exercise-content-wrapper h2 {
    color: var(--primary) !important;
    font-size: 22px;
    font-weight: 700;
    margin-top: 30px;
    margin-bottom: 15px;
    border-left: 4px solid var(--primary);
    padding-left: 12px;
    font-family: 'Outfit', sans-serif;
}

.exercise-content-wrapper h3 {
    color: var(--accent-blue) !important;
    font-size: 18px;
    font-weight: 600;
    margin-top: 25px;
    margin-bottom: 12px;
    font-family: 'Outfit', sans-serif;
}

.exercise-content-wrapper h4 {
    color: var(--accent-purple) !important;
    font-size: 16px;
    font-weight: 600;
    margin-top: 20px;
    margin-bottom: 10px;
    font-family: 'Outfit', sans-serif;
}

.exercise-content-wrapper ul,
.exercise-content-wrapper ol {
    margin-bottom: 20px !important;
    padding-left: 25px !important;
}

.exercise-content-wrapper table {
    width: 100%;
    table-layout: fixed;
    border-collapse: collapse;
    margin: 20px 0;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    border: 1px solid var(--border);
}

.exercise-content-wrapper table th,
.exercise-content-wrapper table td {
    padding: 12px 15px;
    border: 1px solid var(--border);
    font-size: 14px;
}

.exercise-content-wrapper table th {
    background-color: var(--bg-card);
    font-weight: 600;
}

#sn-subjects-container .chapter-item .exercise-list {
    display: none;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
    padding: 16px;
    background: transparent;
}

#sn-subjects-container .chapter-item.open .exercise-list {
    display: grid;
}

.note-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    box-shadow: 0 4px 6px -1px var(--shadow-sm), 0 2px 4px -1px var(--alpha-0-0-0-03);
}

.note-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 20px -5px var(--shadow-md), 0 8px 10px -6px var(--shadow-sm);
    border-color: var(--primary);
}

.note-card-img-wrapper {
    width: 100%;
    height: 150px;
    overflow: hidden;
    position: relative;
    border-bottom: 1px solid var(--border);
}

.note-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.note-card:hover .note-card-img {
    transform: scale(1.05);
}

.note-card-img-placeholder {
    width: 100%;
    height: 150px;
    background: linear-gradient(135deg, var(--alpha-primary-08) 0%, var(--alpha-purple-500-08) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    border-bottom: 1px solid var(--border);
    overflow: hidden;
}

.placeholder-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(35px);
    opacity: 0.35;
}

.blob-1 {
    width: 70px;
    height: 70px;
    background: var(--primary);
    top: -10px;
    left: -10px;
}

.blob-2 {
    width: 80px;
    height: 80px;
    background: var(--purple);
    bottom: -20px;
    right: -20px;
}

.placeholder-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(var(--border) 1px, transparent 1px);
    background-size: 14px 14px;
    opacity: 0.25;
}

.placeholder-icon-wrapper {
    width: 54px;
    height: 54px;
    border-radius: 16px;
    background: var(--alpha-255-255-255-75);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px var(--alpha-31-38-135-06);
    border: 1px solid var(--alpha-255-255-255-40);
    z-index: 2;
    transition: transform 0.3s ease;
}

.dark-theme .placeholder-icon-wrapper {
    background: var(--alpha-30-41-59-75);
    border: 1px solid var(--alpha-white-08);
}

.note-card:hover .placeholder-icon-wrapper {
    transform: scale(1.1) rotate(4deg);
}

.placeholder-icon {
    font-size: 22px;
    color: var(--primary);
}

.placeholder-float-icon {
    position: absolute;
    color: var(--text-secondary);
    opacity: 0.35;
    font-size: 13px;
    z-index: 1;
    transition: transform 0.4s ease;
}

.icon-1 {
    top: 25px;
    right: 45px;
}

.icon-2 {
    bottom: 25px;
    left: 45px;
}

.icon-3 {
    top: 55px;
    left: 35px;
}

.icon-4 {
    bottom: 45px;
    right: 35px;
}

.note-card:hover .icon-1 {
    transform: translate(3px, -3px) rotate(10deg);
}

.note-card:hover .icon-2 {
    transform: translate(-3px, 3px) rotate(-10deg);
}

.note-card:hover .icon-3 {
    transform: translate(-3px, -3px) rotate(-8deg);
}

.note-card:hover .icon-4 {
    transform: translate(3px, 3px) rotate(8deg);
}

.note-card-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.note-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.note-card-date,
.note-card-time {
    display: flex;
    align-items: center;
    gap: 4px;
}

.note-card-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 12px 0;
    line-height: 1.4;
    font-family: 'Outfit', sans-serif;
}

.note-card-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.note-card-tag {
    font-size: 10px;
    padding: 3px 8px;
    background: var(--alpha-primary-08);
    color: var(--accent-blue);
    border-radius: var(--radius-xl);
    font-weight: 500;
}

.note-card-footer {
    margin-top: auto;
    border-top: 1px solid var(--border);
    padding-top: 12px;
    display: flex;
    justify-content: flex-end;
}

.note-card-read-more {
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 4px;
    transition: gap 0.2s ease;
}

.note-card:hover .note-card-read-more {
    gap: 8px;
}

.note-card-tag i {
    margin-right: 4px;
}

@media (max-width: 576px) {
    #sn-subjects-container .chapter-item .exercise-list {
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 8px;
    }
}

#sn-quiz-container {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--border);
}

.sn-quiz-promo-card {
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-secondary) 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    box-shadow: var(--shadow-sm);
}

.sn-quiz-promo-header {
    display: flex;
    gap: 16px;
    align-items: center;
}

.sn-quiz-promo-icon {
    font-size: 32px;
    color: var(--primary);
    background: var(--alpha-primary-08);
    width: 60px;
    height: 60px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sn-quiz-promo-info h4 {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 6px 0;
    color: var(--text-primary);
}

.sn-quiz-promo-info p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

.sn-quiz-previous-score {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    font-weight: 600;
}

.sn-quiz-score-display.score-excellent {
    color: var(--success-dark);
}

.sn-quiz-score-display.score-average {
    color: var(--warning-dark);
}

.sn-quiz-score-display.score-poor {
    color: var(--danger-dark);
}

.sn-quiz-promo-actions {
    display: flex;
    gap: 12px;
}

.sn-quiz-active-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sn-quiz-active-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
    padding-bottom: 14px;
}

.sn-quiz-active-header h4 {
    font-size: 20px;
    font-weight: 700;
    margin: 0;
    color: var(--text-primary);
}

.sn-quiz-active-count {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    padding: 4px 10px;
    border-radius: var(--radius-pill);
}

.sn-quiz-questions-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.sn-quiz-question-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 20px;
    background: var(--bg-tertiary);
}

.sn-quiz-question-number {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.sn-quiz-question-text {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.5;
}

.sn-quiz-options-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sn-quiz-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.2s ease;
}

.sn-quiz-option:hover {
    border-color: var(--primary);
    background: var(--alpha-primary-02);
}

.sn-quiz-option input[type="radio"] {
    display: none;
}

.sn-quiz-option-indicator {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-dark);
    border-radius: 50%;
    position: relative;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.sn-quiz-option input[type="radio"]:checked+.sn-quiz-option-indicator {
    border-color: var(--primary);
    background: var(--primary);
}

.sn-quiz-option input[type="radio"]:checked+.sn-quiz-option-indicator::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--white);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.sn-quiz-option-text {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
}

.sn-quiz-active-actions {
    display: flex;
    gap: 12px;
    border-top: 1px solid var(--border);
    padding-top: 20px;
}

.sn-quiz-results-card {
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-secondary) 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
    padding: 30px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-sm);
}

.sn-quiz-results-card h4 {
    font-size: 22px;
    font-weight: 700;
    margin: 0;
    color: var(--text-primary);
}

.sn-quiz-score-badge {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    background: var(--bg-card);
}

.sn-quiz-score-badge.score-excellent {
    border: 4px solid var(--success-dark);
}

.sn-quiz-score-badge.score-average {
    border: 4px solid var(--warning-dark);
}

.sn-quiz-score-badge.score-poor {
    border: 4px solid var(--danger-dark);
}

.score-ratio {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.score-percentage {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
}

.sn-quiz-feedback {
    font-size: 15px;
    color: var(--text-secondary);
    max-width: 400px;
    margin: 0;
    line-height: 1.5;
}

.sn-quiz-review-section {
    margin-top: 30px;
}

.sn-quiz-review-section h5 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.sn-quiz-review-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sn-quiz-review-question-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 20px;
    background: var(--bg-card);
}

.sn-quiz-review-question-card.correct-card {
    border-left: 4px solid var(--success-dark);
}

.sn-quiz-review-question-card.incorrect-card {
    border-left: 4px solid var(--danger-dark);
}

.sn-quiz-review-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg-tertiary);
}

.sn-quiz-review-option.opt-correct {
    border-color: var(--success-dark);
    background: var(--alpha-16-185-129-08);
}

.sn-quiz-review-option.opt-incorrect {
    border-color: var(--danger-dark);
    background: var(--alpha-danger-08);
}

.sn-quiz-review-option .sn-quiz-option-text {
    flex-grow: 1;
}

@media (max-width: 576px) {

    .sn-quiz-promo-actions,
    .sn-quiz-active-actions {
        flex-direction: column;
        width: 100%;
        gap: 10px;
    }

    .sn-quiz-promo-actions .btn,
    .sn-quiz-active-actions .btn {
        width: 100%;
    }

    .sn-quiz-results-card .sn-quiz-promo-actions {
        width: 100%;
    }
}









table 

table









table 

table

mjx-container,
mjx-container * {
    overflow: visible !important;
    overflow-x: visible !important;
    overflow-y: visible !important;
    scrollbar-width: none !important;
    -ms-overflow-style: none !important;
}

mjx-container::-webkit-scrollbar,
mjx-container *::-webkit-scrollbar {
    display: none !important;
    width: 0 !important;
    height: 0 !important;
}

mjx-container {
    display: inline-block !important;
    width: auto !important;
    max-width: 100% !important;
    vertical-align: middle !important;
    margin: 2px 0 !important;
}

mjx-container[jax="SVG"][display="true"],
mjx-container[display="true"] {
    display: inline-block !important;
    width: auto !important;
    max-width: 100% !important;
    margin: 8px auto !important;
    text-align: center;
}

mjx-math,
mjx-u,
mjx-ut,
mjx-box,
mjx-line {
    width: auto !important;
    max-width: 100% !important;
}

mjx-u,
mjx-ut,
mjx-box {
    display: inline-block !important;
    width: fit-content !important;
}

table mjx-container,
.tablepress mjx-container,
figure.wp-block-table mjx-container {
    display: inline-block !important;
    width: auto !important;
    margin: 4px 0 !important;
    max-width: 100% !important;
}

table mjx-container[display="true"],
.tablepress mjx-container[display="true"],
figure.wp-block-table mjx-container[display="true"] {
    display: inline-block !important;
    width: auto !important;
    margin: 6px auto !important;
}


.dark-theme #sn-quiz-container {
    border-top-color: var(--alpha-white-10);
}

.dark-theme .sn-quiz-promo-card {
    background: var(--bg-card);
    border: 1px solid var(--alpha-white-10) !important;
}

.dark-theme .sn-quiz-previous-score,
.dark-theme .sn-quiz-active-wrapper,
.dark-theme .sn-quiz-question-card,
.dark-theme .sn-quiz-option {
    background: var(--bg-card);
    border: 1px solid var(--alpha-white-10) !important;
}

.dark-theme .sn-quiz-active-header {
    border-bottom: 1px solid var(--alpha-white-10) !important;
}

.dark-theme .sn-quiz-option:hover {
    background: var(--alpha-white-10) !important;
    border-color: var(--alpha-white-20) !important;
}

.dark-theme .sn-quiz-option input[type="radio"]:checked+.sn-quiz-option-indicator {
    border-color: var(--primary);
    background: var(--primary);
}

.dark-theme .sn-quiz-review-question-card {
    background: var(--bg-card);
    border: 1px solid var(--alpha-white-10) !important;
}

.dark-theme .sn-quiz-review-question-card.correct-card {
    border-left: 4px solid var(--success-dark) !important;
}

.dark-theme .sn-quiz-review-question-card.incorrect-card {
    border-left: 4px solid var(--danger-dark) !important;
}

.dark-theme .sn-quiz-review-option {
    background: var(--bg-secondary);
    border-color: var(--alpha-white-10) !important;
}

.dark-theme .sn-quiz-review-option.opt-correct {
    border-color: var(--success-dark) !important;
    background: var(--alpha-16-185-129-08) !important;
}

.dark-theme .sn-quiz-review-option.opt-incorrect {
    border-color: var(--danger-dark) !important;
    background: var(--alpha-danger-08) !important;
}