.list-media {
    max-width: 100px;
    max-height: 100px;
}

.chapterlms-course-grid {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.chapterlms-course-card,
.chapterlms-course-detail {
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 18px;
    background: #fff;
    box-shadow: 0 16px 35px rgba(23, 35, 52, 0.08);
    overflow: hidden;
}

.chapterlms-course-card__image img,
.chapterlms-course-detail__image img {
    display: block;
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.chapterlms-course-card__body,
.chapterlms-course-detail__header,
.chapterlms-course-description {
    padding: 1.25rem;
}

.chapterlms-course-card__title {
    margin: 0.5rem 0;
    font-size: 1.35rem;
}

.chapterlms-course-meta,
.chapterlms-course-card__footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.65rem;
}

.chapterlms-course-meta {
    color: #5e6a7a;
    font-size: 0.95rem;
}

.chapterlms-course-card__footer {
    justify-content: space-between;
    margin-top: 1rem;
}

.chapterlms-pill {
    display: inline-flex;
    border-radius: 999px;
    padding: 0.25rem 0.65rem;
    background: #eaf3ff;
    color: #174d8c;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.chapterlms-course-price {
    font-weight: 700;
}

.chapterlms-catalog-heading {
    display: none;
}

.chapterlms-catalog {
    --chapterlms-navy: #002b6f;
    --chapterlms-blue: #6f84b5;
    --chapterlms-line: #aac2ff;
    --chapterlms-soft-line: #c6d5ff;
    --chapterlms-bg: #ffffff;
    display: grid;
    grid-template-columns: minmax(250px, 300px) minmax(0, 1fr);
    gap: 2.75rem;
    align-items: start;
    color: var(--chapterlms-navy);
    background: var(--chapterlms-bg);
    font-family: "Aptos", "Segoe UI", sans-serif;
}

.chapterlms-catalog * {
    box-sizing: border-box;
}

.chapterlms-catalog__filters {
    position: sticky;
    top: 1rem;
    min-height: 100vh;
    border-top: 1px solid var(--chapterlms-line);
    border-right: 1px solid var(--chapterlms-line);
    padding: 1.85rem 1.75rem 2rem 0;
}

.chapterlms-filter-block {
    margin-bottom: 3.75rem;
}

.chapterlms-filter-block h2 {
    margin: 0 0 1rem;
    border-bottom: 1px solid var(--chapterlms-line);
    padding-bottom: 0.8rem;
    color: var(--chapterlms-navy);
    font-size: clamp(1.55rem, 2vw, 2.1rem);
    font-weight: 800;
    line-height: 1.1;
}

.chapterlms-filter-block--search h2 {
    margin-bottom: 0.75rem;
    border-bottom: 0;
    padding-bottom: 0;
}

.chapterlms-filter-search {
    width: 100%;
    min-height: 54px;
    border: 1px solid var(--chapterlms-line);
    border-radius: 999px;
    padding: 0.65rem 1.35rem;
    color: var(--chapterlms-navy);
    background: #fff;
    font-size: 1.05rem;
    font-weight: 800;
    outline: 0;
}

.chapterlms-filter-search::placeholder {
    color: #8ea0ca;
    opacity: 1;
}

.chapterlms-filter-search:focus {
    border-color: var(--chapterlms-navy);
    box-shadow: 0 0 0 4px rgba(0, 43, 111, 0.08);
}

.chapterlms-filter-options {
    display: grid;
    gap: 0.7rem;
}

.chapterlms-filter-check {
    display: grid;
    grid-template-columns: 26px 1fr;
    gap: 0.75rem;
    align-items: center;
    margin: 0;
    color: var(--chapterlms-blue);
    font-size: 1.05rem;
    font-weight: 800;
    line-height: 1.2;
    cursor: pointer;
}

.chapterlms-filter-check input {
    width: 26px;
    height: 26px;
    margin: 0;
    border: 1.5px solid var(--chapterlms-navy);
    border-radius: 0;
    appearance: none;
    background: #fff;
    cursor: pointer;
}

.chapterlms-filter-check input:checked {
    background:
        linear-gradient(45deg, transparent 58%, #fff 58%),
        linear-gradient(-45deg, transparent 55%, #fff 55%),
        var(--chapterlms-navy);
}

.chapterlms-filter-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.chapterlms-filter-apply,
.chapterlms-filter-clear {
    border: 1px solid var(--chapterlms-navy);
    border-radius: 999px;
    padding: 0.6rem 1rem;
    font-weight: 800;
}

.chapterlms-filter-apply {
    color: #fff;
    background: var(--chapterlms-navy);
}

.chapterlms-filter-clear {
    color: var(--chapterlms-navy);
    background: #fff;
}

.chapterlms-catalog__main {
    border-top: 1px solid var(--chapterlms-line);
    padding-top: 1.95rem;
}

.chapterlms-catalog-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.45rem 1.8rem;
}

.chapterlms-catalog-card {
    display: flex;
    min-height: 430px;
    border: 1px solid var(--chapterlms-line);
    background: #fff;
    flex-direction: column;
}

.chapterlms-catalog-card__image {
    display: block;
    margin: 15px 15px 0 15px;
    overflow: hidden;
    background: #eef3ff;
}

.chapterlms-catalog-card__image img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    transition: transform 0.35s ease;
}

.chapterlms-catalog-card:hover .chapterlms-catalog-card__image img {
    transform: scale(1.035);
}

.chapterlms-catalog-card__body {
    display: flex;
    flex: 1;
    flex-direction: column;
    padding: 15px;
}

.chapterlms-catalog-card__instructor {
    margin: 0 0 1.2rem;
    color: #55709e;
    font-size: 1.15rem;
    font-weight: 400;
    line-height: 1.2;
}

.chapterlms-catalog-card__title {
    margin: 0;
    color: var(--chapterlms-navy);
    font-size: clamp(1.25rem, 1.8vw, 1.7rem);
    font-weight: 900;
    line-height: 1.12;
}

.chapterlms-catalog-card__title a {
    color: inherit;
    text-decoration: none;
}

.chapterlms-catalog-card__title a:hover {
    text-decoration: underline;
}

.chapterlms-catalog-card__meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    align-items: center;
    margin-top: auto;
    padding-top: 2.2rem;
    color: var(--chapterlms-navy);
    font-size: 1rem;
    line-height: 1.2;
}

.chapterlms-catalog-card__meta strong {
    font-weight: 900;
}

.chapterlms-catalog-empty {
    border: 1px solid var(--chapterlms-line);
    padding: 2rem;
    color: var(--chapterlms-navy);
    background: #f8fbff;
}

.chapterlms-catalog-pagination {
    grid-column: 1 / -1;
    margin-top: 1.5rem;
}

@media (max-width: 1180px) {
    .chapterlms-catalog-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 820px) {
    .chapterlms-catalog {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .chapterlms-catalog__filters {
        position: static;
        min-height: 0;
        border-right: 0;
        padding-right: 0;
    }

    .chapterlms-filter-block {
        margin-bottom: 2rem;
    }

    .chapterlms-catalog-grid {
        grid-template-columns: 1fr;
    }

    .chapterlms-catalog-card__image,
    .chapterlms-catalog-card__body {
        margin-left: 1.25rem;
        margin-right: 1.25rem;
    }

    .chapterlms-catalog-card__body {
        padding: 1.25rem 0 1.5rem;
    }
}

.chapterlms-course-facts {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    margin: 0;
    padding: 1.25rem;
    background: #f7f9fc;
}

.chapterlms-course-facts dt {
    color: #5e6a7a;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
}

.chapterlms-course-facts dd {
    margin: 0.25rem 0 0;
    font-weight: 700;
}

.chapterlms-chapters {
    padding: 1.25rem;
}

.chapterlms-chapters h2 {
    margin-top: 0;
}

.chapterlms-chapter-list {
    display: grid;
    gap: 1rem;
}

.chapterlms-chapter-card {
    display: grid;
    grid-template-columns: 54px 1fr;
    gap: 1rem;
    align-items: start;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 14px;
    padding: 1rem;
    background: #fff;
}

.chapterlms-chapter-card__number {
    display: grid;
    place-items: center;
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: #12263f;
    color: #fff;
    font-weight: 800;
}

.chapterlms-chapter-card__body h3 {
    margin: 0.35rem 0;
    font-size: 1.2rem;
}

.chapterlms-course-practice-form {
    margin: 0 0 1rem;
}

.chapterlms-chapter-details {
    margin: 0.75rem 0;
}

.chapterlms-practice-setup,
.chapterlms-question-card {
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 16px;
    padding: 1.25rem;
    margin-bottom: 1rem;
    background: #fff;
    box-shadow: 0 10px 25px rgba(23, 35, 52, 0.06);
}

.chapterlms-practice-chapters {
    display: grid;
    gap: 0.5rem;
    margin: 0.75rem 0 1rem;
}

.chapterlms-question-count {
    color: #5f6f85;
    font-size: 0.9em;
    font-weight: 600;
    margin-left: 0.35rem;
    white-space: nowrap;
}

.chapterlms-practice-counts {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0.75rem 0 1rem;
}

.chapterlms-options {
    display: grid;
    gap: 0.65rem;
}

.chapterlms-option {
    display: block;
    border: 1px solid #ccd4df;
    border-radius: 12px;
    padding: 0.85rem 1rem;
    background: #fff;
    text-align: left;
}

.chapterlms-option input {
    margin-right: 0.5rem;
}

.chapterlms-option.is-correct {
    border-color: #16844a;
    background: #eaf8f0;
}

.chapterlms-option.is-selected-incorrect {
    border-color: #b42318;
    background: #fff1f0;
}

.chapterlms-answer-explanation {
    margin-top: 1rem;
    border-left: 4px solid #174d8c;
    padding: 0.75rem 1rem;
    background: #f4f8ff;
}

.chapterlms-score-card {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    border-radius: 16px;
    padding: 1rem;
    margin-bottom: 1rem;
    background: #12263f;
    color: #fff;
}

.chapterlms-score-card strong {
    font-size: 1.5rem;
}

.chapterlms-payment {
    display: grid;
    place-items: center;
    min-height: 60vh;
    padding: 2rem 1rem;
    background:
        radial-gradient(circle at 15% 20%, rgba(111, 132, 181, 0.16), transparent 32rem),
        linear-gradient(135deg, #f8fbff 0%, #ffffff 55%, #eef4ff 100%);
}

.chapterlms-payment__card {
    width: min(100%, 620px);
    border: 1px solid #aac2ff;
    border-radius: 24px;
    padding: clamp(1.5rem, 4vw, 2.5rem);
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 22px 60px rgba(0, 43, 111, 0.12);
}

.chapterlms-payment__card h1 {
    margin: 0.85rem 0;
    color: #002b6f;
    font-size: clamp(2rem, 5vw, 3.25rem);
    line-height: 1;
}

.chapterlms-payment__summary {
    display: flex;
    gap: 1rem;
    align-items: center;
    justify-content: space-between;
    border: 1px solid #c6d5ff;
    border-radius: 18px;
    padding: 1rem;
    margin: 1.5rem 0;
    color: #002b6f;
    background: #f8fbff;
}

.chapterlms-payment__summary strong {
    font-size: 1.25rem;
}

.chapterlms-payment-form {
    display: grid;
    gap: 1rem;
}

.chapterlms-payment-form label {
    display: grid;
    gap: 0.35rem;
    color: #002b6f;
    font-weight: 800;
}

.chapterlms-payment-form input {
    width: 100%;
    border: 1px solid #aac2ff;
    border-radius: 14px;
    padding: 0.8rem 1rem;
    color: #002b6f;
    background: #fff;
}

.chapterlms-question-card.is-review-correct {
    border-color: rgba(22, 132, 74, 0.35);
}

.chapterlms-question-card.is-review-incorrect {
    border-color: rgba(180, 35, 24, 0.35);
}

.chapterlms-practice-progress {
    position: sticky;
    top: 0;
    z-index: 5;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 14px;
    padding: 0.85rem;
    margin-bottom: 1rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
}

.chapterlms-practice-progress__bar {
    height: 10px;
    overflow: hidden;
    border-radius: 999px;
    background: #e8edf5;
}

.chapterlms-practice-progress__bar span {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #174d8c, #18a058);
    transition: width 0.2s ease;
}

.chapterlms-practice-progress__text,
.chapterlms-practice-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    justify-content: space-between;
    margin-top: 0.75rem;
}

.chapterlms-question-jump {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-top: 1rem;
}

.chapterlms-question-jump button {
    width: 38px;
    height: 38px;
    border: 1px solid #ccd4df;
    border-radius: 10px;
    background: #fff;
}

.chapterlms-question-jump button.is-current {
    border-color: #174d8c;
    box-shadow: 0 0 0 2px rgba(23, 77, 140, 0.18);
}

.chapterlms-question-jump button.is-answered {
    border-color: #16844a;
    background: #eaf8f0;
}