.course-detail-page {
    position: relative;
    padding-top: 24px;
    overflow-x: clip;
    width: 100%;
    max-width: 100%;
    font-size: 1.12rem;
    line-height: 1.6;
}

.course-detail-page .course-premium-grid,
.course-detail-page .course-premium-column,
.course-detail-page .course-premium-stack,
.course-detail-page .course-glass-card,
.course-detail-page .course-ratings-pagination-bar,
.course-detail-page .course-ratings-pager-center {
    max-width: 100%;
    min-width: 0;
}

.course-detail-page img,
.course-detail-page video {
    max-width: 100%;
    height: auto;
}

.course-detail-page .rn-section-gap {
    padding-top: 90px;
    padding-bottom: 60px;
}

.course-detail-page .course-hero-row {
    margin-top: 0;
    padding-top: 12px;
}

.course-detail-page::before,
.course-detail-page::after {
    content: "";
    position: absolute;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    opacity: 0.1;
    pointer-events: none;
    z-index: 0;
    will-change: auto;
}

.course-detail-page::before {
    top: 70px;
    left: -150px;
    background: radial-gradient(circle, rgba(255, 1, 79, 0.55), rgba(255, 1, 79, 0));
}

.course-detail-page::after {
    right: -160px;
    bottom: 180px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.45), rgba(37, 99, 235, 0));
}

.course-detail-page .container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 100%;
}

.course-detail-page .course-detail-bottom {
    width: 100%;
    margin-left: 0;
    margin-right: 0;
}

/* Whole-page typography scale */
.course-detail-page .course-hero-eyebrow,
.course-detail-page .course-hero-status {
    font-size: 12px;
}

.course-detail-page .course-hero-title {
    font-size: clamp(1.75rem, 5vw, 3rem);
}

.course-detail-page .course-hero-chip {
    font-size: 1rem;
}

.course-detail-page .course-section-eyebrow {
    font-size: 13px;
}

.course-detail-page .course-meta-subtitle {
    font-size: 0.96rem;
}

.course-detail-page .course-fact-label {
    font-size: 12px;
}

.course-detail-page .course-fact-value {
    font-size: 1.12rem;
}

.course-detail-page .course-fact-title {
    font-size: 1.22rem;
}

.course-detail-page .course-price-value {
    font-size: clamp(1.32rem, 2.1vw + 1rem, 1.75rem);
}

.course-detail-page .course-price-coupon-hint {
    font-size: clamp(0.9rem, 0.5vw + 0.82rem, 1rem);
}

.course-detail-page .course-summary-title {
    font-size: clamp(2rem, 4.2vw, 3.4rem);
}

.course-detail-page .course-instructor-pill {
    font-size: 1.05rem;
}

.course-detail-page .course-content-panel .course-description,
.course-detail-page .course-description {
    font-size: clamp(1.26rem, 0.65vw + 1.12rem, 1.4rem);
}

.course-detail-page .course-card-heading h3,
.course-detail-page .course-card-heading h4,
.course-detail-page .course-card-heading h5 {
    font-size: clamp(1.12rem, 3vw, 1.55rem);
}

.course-detail-page .course-video-label {
    font-size: 1.02rem;
}

.course-detail-page .course-lecture-nav .rn-btn {
    font-size: 0.98rem;
}

.course-detail-page .course-extra-block h5 {
    font-size: 1.08rem;
}

.course-detail-page .course-prerequisite-list,
.course-detail-page .course-prerequisite-content {
    font-size: 1.02rem;
}

.course-detail-page .course-resource-link {
    font-size: 0.98rem;
}

.course-detail-page .course-curriculum-accordion .card-header .btn {
    font-size: clamp(1rem, 0.4vw + 0.92rem, 1.1rem);
}

.course-detail-page .course-curriculum-accordion .list-group-item a {
    font-size: clamp(0.96rem, 0.35vw + 0.88rem, 1.05rem);
}

.course-detail-page .course-meta-btn {
    font-size: 1.05rem;
}

.course-detail-page .course-review-header-title {
    font-size: clamp(1.18rem, 2.8vw, 1.55rem);
}

.course-detail-page .course-review-header-sub {
    font-size: 0.96rem;
}

.course-detail-page .course-rating-prompt {
    font-size: 1.08rem;
}

.course-detail-page .course-review-compose label {
    font-size: 1.08rem;
}

.course-detail-page .course-review-compose textarea {
    font-size: 1.05rem;
}

.course-detail-page .course-review-btn {
    font-size: 1rem;
}

.course-detail-page .course-review-name {
    font-size: 1.22rem;
}

.course-detail-page .course-review-copy {
    font-size: 1.05rem;
}

.course-hero-banner {
    margin-top: 20px;
    margin-bottom: 36px;
    padding: 28px 32px;
    border-radius: 28px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 250, 252, 0.94) 55%, rgba(255, 241, 246, 0.9) 100%);
    box-shadow: 0 10px 32px rgba(15, 23, 42, 0.08);
    position: relative;
    overflow: hidden;
}

.course-hero-banner::before {
    content: "";
    position: absolute;
    top: 20px;
    bottom: 20px;
    left: 0;
    width: 5px;
    height: auto;
    border-radius: 0 6px 6px 0;
    background: linear-gradient(180deg, var(--color-primary), #ff6b9d);
}

.course-hero-banner-inner {
    position: relative;
    z-index: 1;
    max-width: 920px;
    margin: 0 auto;
    text-align: center;
}

.course-hero-top {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 14px;
}

.course-hero-eyebrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 7px 16px;
    border-radius: 999px;
    background: rgba(255, 1, 79, 0.1);
    color: var(--color-primary);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.course-hero-status {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 7px 14px;
    border-radius: 999px;
    background: rgba(5, 150, 105, 0.12);
    border: 1px solid rgba(5, 150, 105, 0.28);
    color: #047857;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.course-hero-title {
    margin: 0;
    color: #0f172a;
    font-size: clamp(1.65rem, 4.8vw, 2.85rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    word-break: break-word;
}

.course-hero-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.course-hero-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(15, 23, 42, 0.08);
    color: #475569;
    font-size: 0.92rem;
    font-weight: 600;
    line-height: 1.3;
}

.course-hero-chip i {
    color: var(--color-primary);
    font-size: 0.85rem;
}

.course-premium-grid {
    align-items: flex-start;
    margin-left: 0;
    margin-right: 0;
    margin-top: 8px;
    width: 100%;
}

.course-premium-grid-intro {
    margin-bottom: 8px;
    padding: 0 12px 4px;
}

.course-premium-grid-intro .course-card-heading {
    margin-top: 10px;
}

.course-premium-column {
    display: flex;
    flex-direction: column;
    margin-bottom: 1.5rem;
    padding-left: 12px;
    padding-right: 12px;
}

.course-premium-stack {
    display: flex;
    flex-direction: column;
    gap: 24px;
    width: 100%;
    height: 100%;
}

.course-cover-panel.course-glass-card {
    padding: 24px;
}

.course-purchase-panel {
    padding: 24px;
    border-radius: 30px;
    background: var(--gradient-box-w);
}

.course-purchase-panel .course-meta-header {
    margin-bottom: 18px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.course-purchase-panel .course-facts {
    margin-bottom: 4px;
}

.course-purchase-panel .course-meta-actions {
    margin-top: 18px;
    padding-top: 18px;
}

.course-preview-workspace + .course-premium-grid {
    margin-top: 2.25rem;
}

@media only screen and (min-width: 992px) {
    .course-premium-column {
        margin-bottom: 2.5rem;
    }

    .course-premium-stack {
        min-height: 100%;
    }

    .course-content-panel .course-description {
        max-height: none;
    }
}

.course-glass-card {
    border: 1px solid rgba(255, 255, 255, 0.72);
    border-radius: 30px;
    background: var(--gradient-box-w);
    box-shadow: 0 8px 28px rgba(15, 23, 42, 0.1);
    overflow: hidden;
    contain: layout style;
}

.course-cover-panel {
    padding: 30px;
}

.course-cover-stage {
    position: relative;
    border-radius: 26px;
    padding: 28px 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(circle at 18% 15%, rgba(255, 255, 255, 0.18), transparent 28%),
        linear-gradient(145deg, #111827 0%, #1f2937 48%, #070b14 100%);
    overflow: hidden;
}

.course-cover-stage::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 18% 20%, rgba(102, 126, 234, 0.22), transparent 42%),
        radial-gradient(circle at 82% 78%, rgba(139, 92, 246, 0.16), transparent 40%);
    pointer-events: none;
    z-index: 0;
}

.course-cover-stage::after {
    content: "";
    position: absolute;
    width: 150px;
    height: 150%;
    left: 12%;
    top: -24%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: rotate(19deg);
    pointer-events: none;
    z-index: 0;
}

.course-cover-frame {
    position: relative;
    z-index: 1;
    width: 100%;
    /*aspect-ratio: 16 / 9;*/
    overflow: hidden;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow:
        0 16px 40px rgba(0, 0, 0, 0.45),
        0 4px 12px rgba(0, 0, 0, 0.25);
}

.course-cover-frame::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(10, 14, 23, 0.06) 0%,
        rgba(10, 14, 23, 0.02) 40%,
        rgba(10, 14, 23, 0.35) 100%
    );
    pointer-events: none;
    z-index: 2;
}

.course-cover-image {
    position: relative;
    z-index: 1;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 0;
    box-shadow: none;
    transition: transform 0.45s cubic-bezier(0.23, 1, 0.32, 1);
}

.course-cover-panel:hover .course-cover-image {
    transform: scale(1.03);
}

.course-meta-panel {
    margin-top: 24px;
    padding: 22px;
    border-radius: 22px;
    border: 1px solid rgba(15, 23, 42, 0.07);
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.96) 0%, rgba(241, 245, 249, 0.88) 100%);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.course-meta-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
    padding-bottom: 18px;
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.course-meta-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(255, 1, 79, 0.14), rgba(255, 1, 79, 0.04));
    color: var(--color-primary);
    font-size: 1.1rem;
}

.course-meta-heading {
    text-align: left;
}

.course-meta-subtitle {
    margin: 4px 0 0;
    color: #64748b;
    font-size: 0.88rem;
    font-weight: 500;
    line-height: 1.4;
}

.course-section-eyebrow {
    display: inline-block;
    margin-bottom: 0;
    color: var(--color-primary);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.course-facts {
    display: grid;
    gap: 0;
    margin: 0;
}

.course-fact-row {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 4px;
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.course-fact-row:last-child {
    border-bottom: 0;
    padding-bottom: 4px;
}

.course-fact-row:first-child {
    padding-top: 4px;
}

.course-fact-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    border-radius: 12px;
    background: rgba(15, 23, 42, 0.05);
    color: #475569;
    font-size: 0.95rem;
}

.course-fact-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
    min-width: 0;
    text-align: left;
}

.course-fact-label {
    color: #94a3b8;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.course-fact-value {
    color: #0f172a;
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.45;
    word-break: break-word;
}

.course-fact-title {
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.35;
}

.course-fact-row--price {
    margin-top: 6px;
    padding: 18px 16px;
    border: 0;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.1), rgba(16, 185, 129, 0.06));
    align-items: center;
}

.course-fact-row--price-solo {
    padding: 16px 18px;
}

.course-fact-row--price-solo .course-fact-content {
    gap: 6px;
}

.course-fact-icon--price {
    background: rgba(5, 150, 105, 0.14);
    color: #047857;
}

.course-price-display {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    width: 100%;
}

.course-price-offers {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 10px;
}

.course-price-original {
    color: #64748b;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: line-through;
    line-height: 1.4;
}

.course-price-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(255, 1, 79, 0.1);
    color: var(--color-primary);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    line-height: 1.2;
}

.course-price-value {
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
    color: #047857;
    font-size: clamp(1.25rem, 2vw + 0.95rem, 1.65rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
    padding: 8px 16px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(5, 150, 105, 0.22);
    box-shadow: 0 4px 14px rgba(5, 150, 105, 0.08);
}

.course-fact-row--price-solo .course-price-display {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 12px;
    padding-bottom: 21px;
}

.course-fact-row--price-solo .course-price-value {
    margin-top: 0;
}

.course-price-value--free {
    color: #047857;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: clamp(1.05rem, 1.5vw + 0.85rem, 1.3rem);
}

.course-price-coupon-hint {
    display: block;
    margin-top: 4px;
    padding-top: 10px;
    border-top: 1px dashed rgba(5, 150, 105, 0.18);
    color: #475569;
    font-size: clamp(0.82rem, 0.5vw + 0.75rem, 0.92rem);
    font-weight: 600;
    line-height: 1.5;
}

.course-price-coupon-hint strong {
    color: #0f172a;
    font-weight: 800;
}

.course-content-panel {
    padding: clamp(22px, 3vw, 36px);
    height: 100%;
}

.course-summary-card {
    margin-bottom: 0;
}

.course-summary-title {
    color: #0f172a;
    font-size: clamp(1.9rem, 4vw, 3.25rem);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.04em;
}

.course-instructor-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin: 16px 0 22px;
    padding: 10px 16px;
    border-radius: 999px;
    background: rgba(255, 1, 79, 0.08);
    color: #475569;
    font-weight: 700;
}

.course-instructor-pill i {
    color: var(--color-primary);
    font-size: 0.95rem;
}

.course-content-panel .course-description {
    color: #475569;
    font-size: clamp(1.18rem, 0.6vw + 1.05rem, 1.32rem);
    line-height: 1.95;
    text-align: justify;
    text-justify: inter-word;
    -webkit-text-justify: inter-word;
    hyphens: auto;
    -webkit-hyphens: auto;
}

.course-description {
    color: #475569;
    font-size: clamp(1.18rem, 0.6vw + 1.05rem, 1.32rem);
    line-height: 1.95;
}

.course-description.text-justify,
.course-content-panel .course-description.text-justify {
    display: block;
    width: 100%;
    max-width: 100%;
    text-align: justify;
    text-justify: inter-word;
    -webkit-text-justify: inter-word;
    hyphens: auto;
    -webkit-hyphens: auto;
    overflow-wrap: break-word;
    word-wrap: break-word;
}

.course-description.text-justify p,
.course-description.text-justify li,
.course-description.text-justify div,
.course-description.text-justify span,
.course-description.text-justify blockquote,
.course-description.text-justify h1,
.course-description.text-justify h2,
.course-description.text-justify h3,
.course-description.text-justify h4,
.course-description.text-justify h5,
.course-description.text-justify h6,
.course-content-panel .course-description p,
.course-content-panel .course-description li,
.course-content-panel .course-description div,
.course-content-panel .course-description span,
.course-content-panel .course-description blockquote {
    display: block;
    width: 100%;
    max-width: 100%;
    font-size: inherit;
    text-align: justify;
    text-justify: inter-word;
    -webkit-text-justify: inter-word;
    hyphens: auto;
    -webkit-hyphens: auto;
    overflow-wrap: break-word;
    word-wrap: break-word;
    color: black;
}

.course-description p:last-child {
    margin-bottom: 0;
}

.course-description img,
.course-description table,
.course-description pre,
.course-description iframe {
    max-width: 100%;
    height: auto;
}

.course-description table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.course-preview-card,
.course-review-card,
.course-reviews-card {
    padding: 30px;
}

.course-preview-frame {
    position: relative;
    width: 100%;
    max-width: 100%;
    height: clamp(580px, 84vh, 980px);
    min-height: 460px;
    overflow: hidden;
    border-radius: 22px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: #0f172a;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
    -webkit-overflow-scrolling: touch;
}

.course-flipbook {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    background:
        radial-gradient(circle at 50% 18%, rgba(102, 126, 234, 0.16), transparent 42%),
        linear-gradient(160deg, #111827 0%, #0f172a 52%, #1e1b4b 100%);
}

.course-flipbook__loader {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1.5rem;
    color: rgba(248, 250, 252, 0.88);
    text-align: center;
}

.course-flipbook__loader p {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.course-flipbook__loader-ring {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, 0.14);
    border-top-color: var(--color-primary);
    animation: bookFlipbookSpin 0.85s linear infinite;
}

@keyframes bookFlipbookSpin {
    to {
        transform: rotate(360deg);
    }
}

.course-flipbook__shell {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    padding: 0.85rem 0.85rem 1rem;
}

.course-flipbook__toolbar {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-bottom: 0.75rem;
    padding: 0.4rem 0.65rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    width: fit-content;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.course-flipbook__toolbar-divider {
    width: 1px;
    height: 28px;
    background: rgba(255, 255, 255, 0.14);
    margin: 0 0.15rem;
}

.course-flipbook__zoom {
    min-width: 52px;
    padding: 0.35rem 0.5rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #e2e8f0;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-align: center;
}

.course-flipbook__btn--reset {
    font-size: 0.82rem;
}

.course-flipbook__status {
    min-width: 72px;
    padding: 0.4rem 0.85rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #f8fafc;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-align: center;
}

.course-flipbook__btn {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    color: #f8fafc;
    transition: background-color 0.2s ease, transform 0.2s ease, opacity 0.2s ease;
}

.course-flipbook__btn:hover:not(:disabled) {
    background: rgba(255, 1, 79, 0.18);
    border-color: rgba(255, 1, 79, 0.35);
    color: #fff;
    transform: translateY(-1px);
}

.course-flipbook__btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.course-flipbook__viewport {
    flex: 1;
    min-height: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 0.5rem;
    position: relative;
    touch-action: pan-x pan-y;
}

.course-flipbook__viewport.is-zoomed {
    overflow: auto;
    align-items: flex-start;
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    touch-action: pan-x pan-y pinch-zoom;
}

.course-flipbook.is-zoom-loading .course-flipbook__stage {
    opacity: 0.72;
    pointer-events: none;
}

.course-flipbook__stage {
    position: relative;
    width: var(--flip-spread-w, 840px);
    height: var(--flip-page-h, 594px);
    flex-shrink: 0;
}

.course-flipbook__mount {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.course-flipbook__pageflip {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.course-flipbook__viewport::before {
    content: "";
    position: absolute;
    inset: 8% 12%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.07) 0%, transparent 72%);
    pointer-events: none;
    z-index: 0;
}

.course-flipbook__mount .stf__wrapper {
    margin: 0 auto;
}

.course-flipbook__mount .stf__block {
    border-radius: 4px;
    overflow: hidden;
}

.course-flipbook__mount .stf__item,
.course-flipbook__mount .stf__block {
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.course-flipbook__mount .stf__item img,
.course-flipbook__mount .stf__block img {
    image-rendering: auto;
    -webkit-font-smoothing: antialiased;
}

.course-flipbook__mount canvas.stf__canvas {
    display: block;
}

.course-preview-iframe {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    max-width: 100%;
    border: 0;
    background: #ffffff;
}

.course-preview-iframe--fallback[hidden] {
    display: none !important;
}

.course-card-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 22px;
}

.course-card-heading h3,
.course-card-heading h4,
.course-card-heading h5 {
    margin: 0;
    color: #0f172a;
    font-weight: 800;
    letter-spacing: -0.02em;
    font-size: clamp(1.05rem, 2.8vw, 1.45rem);
    line-height: 1.3;
    word-break: break-word;
    flex: 1;
    min-width: 0;
}

.course-card-heading .heading-line {
    flex: 1;
    height: 1px;
    min-width: 42px;
    background: linear-gradient(90deg, rgba(255, 1, 79, 0.45), rgba(15, 23, 42, 0.04));
}

.course-premium-stack .course-review-card {
    margin-top: 0;
}

.course-review-header {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 22px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.course-review-header-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    flex-shrink: 0;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(245, 197, 24, 0.22), rgba(245, 197, 24, 0.08));
    color: #d97706;
    font-size: 1.1rem;
}

.course-review-header-copy {
    text-align: left;
    min-width: 0;
}

.course-review-header-title {
    margin: 6px 0 0;
    color: #0f172a;
    font-size: clamp(1.1rem, 2.6vw, 1.45rem);
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -0.02em;
    word-break: break-word;
}

.course-review-header-sub {
    margin: 8px 0 0;
    color: #64748b;
    font-size: 0.9rem;
    line-height: 1.5;
}

.course-review-form {
    display: grid;
    gap: 22px;
}

.course-rating-stage {
    padding: 22px 20px 24px;
    border-radius: 22px;
    border: 1px solid rgba(15, 23, 42, 0.07);
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.96) 0%, rgba(248, 250, 252, 0.92) 100%);
}

.course-rating-stage-top {
    text-align: center;
    margin-bottom: 18px;
}

.course-rating-step {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 5px 12px;
    border-radius: 999px;
    background: rgba(255, 1, 79, 0.1);
    color: var(--color-primary);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.course-rating-prompt {
    margin: 12px 0 0;
    color: #0f172a;
    font-size: 1rem;
    font-weight: 700;
}

.course-review-card .wrapper {
    margin: 0 auto;
    width: 100%;
    max-width: 380px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 20px;
    background: #ffffff;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.1);
    overflow: hidden;
}

.course-review-card .wrapper .content {
    padding: 28px 24px 22px;
}

.course-review-card .wrapper .footer {
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
    border-top: 1px solid rgba(15, 23, 42, 0.06);
    height: auto;
    min-height: 55px;
    padding: 12px 20px;
}

.course-review-card .wrapper .footer span {
    color: #334155;
    font-size: 0.95rem;
    font-weight: 600;
}

.course-review-card .stars {
    margin-top: 22px;
}

.course-review-card .stars label {
    font-size: 32px;
    margin: 0 4px;
    color: #cbd5e1;
    cursor: pointer;
    transition: color 0.2s ease, transform 0.2s ease;
}

.course-review-card .stars label:hover {
    transform: scale(1.08);
}

.course-review-compose {
    padding: 22px 20px;
    border-radius: 22px;
    border: 1px solid rgba(15, 23, 42, 0.07);
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.96) 0%, rgba(241, 245, 249, 0.88) 100%);
}

.course-review-compose-head {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 14px;
}

.course-review-compose-title {
    display: flex;
    align-items: center;
    gap: 10px;
}

.course-review-compose-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: rgba(255, 1, 79, 0.1);
    color: var(--color-primary);
    font-size: 0.9rem;
}

.course-review-compose label {
    margin: 0;
    color: #0f172a;
    font-size: 1rem;
    font-weight: 800;
}

.course-review-compose textarea {
    width: 100%;
    min-height: 160px;
    border: 1px solid rgba(15, 23, 42, 0.12);
    border-radius: 18px;
    padding: 18px 20px;
    resize: vertical;
    background: #ffffff;
    color: #0f172a;
    font-size: 0.98rem;
    line-height: 1.65;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.course-review-compose textarea::placeholder {
    color: #94a3b8;
}

.course-review-compose textarea:focus {
    outline: none;
    border-color: rgba(255, 1, 79, 0.45);
    box-shadow: 0 0 0 4px rgba(255, 1, 79, 0.1);
}

.course-review-submit {
    display: flex;
    justify-content: center;
    margin-top: 4px;
    padding-top: 6px;
}

.course-review-card .course-review-submit .course-review-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 320px;
    min-height: 52px;
    padding: 14px 32px;
    border: 0;
    border-radius: 999px;
    background: var(--color-primary);
    color: #ffffff;
    font-family: var(--font-primary);
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 0.03em;
    line-height: 1.2;
    text-align: center;
    cursor: pointer;
    box-shadow: 0 10px 24px rgba(255, 1, 79, 0.28);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.course-review-card .course-review-submit .course-review-btn::before {
    display: none;
}

.course-review-card .course-review-submit .course-review-btn:hover,
.course-review-card .course-review-submit .course-review-btn:focus {
    transform: translateY(-2px);
    background: #e6004a;
    color: #ffffff;
    box-shadow: 0 14px 30px rgba(255, 1, 79, 0.34);
    outline: none;
}

.course-review-card .course-review-submit .course-review-btn:active {
    transform: translateY(0);
    box-shadow: 0 6px 16px rgba(255, 1, 79, 0.24);
}

.course-review-body {
    flex: 1;
    min-width: 0;
}

.course-alerts .alert {
    border: 0;
    border-radius: 16px;
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.1);
}

.course-preview-card {
    margin-top: 8px;
    padding: 30px;
}

.course-preview-workspace {
    margin-bottom: 8px;
}

.course-preview-card-heading {
    margin-bottom: 24px;
}

.course-preview-grid {
    align-items: stretch;
    margin-left: 0;
    margin-right: 0;
}

@media only screen and (min-width: 992px) {
    .course-preview-grid > .course-video-panel,
    .course-preview-grid > .course-curriculum-panel {
        display: flex;
        flex-direction: column;
        min-height: 0;
        align-self: stretch;
    }

    .course-preview-grid > .course-curriculum-panel {
        max-width: 100%;
    }

    .course-preview-grid > .course-curriculum-panel .course-curriculum-shell {
        position: sticky;
        top: 88px;
        top: max(88px, env(safe-area-inset-top, 0px) + 72px);
        flex: 1 1 auto;
        min-height: 0;
        height: auto;
        max-height: calc(100vh - 112px);
        max-height: calc(100vh - 112px - env(safe-area-inset-bottom, 0px));
    }

    .course-preview-grid > .course-curriculum-panel .course-curriculum-scroll {
        flex: 1 1 auto;
        min-height: 0;
        max-height: none;
        height: 100%;
    }
}

.course-preview-grid > [class*="col-"] {
    padding-left: 12px;
    padding-right: 12px;
}

.course-video-panel .video-container {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.course-video-label {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 14px;
    padding: 12px 16px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(255, 1, 79, 0.08), rgba(255, 1, 79, 0.03));
    border: 1px solid rgba(255, 1, 79, 0.12);
    color: #0f172a;
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.4;
}

.course-video-label span {
    display: block;
    min-width: 0;
    word-break: break-word;
}

.course-video-frame {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-radius: 18px;
    border: 1px solid rgba(15, 23, 42, 0.1);
    background: #0f172a;
    box-shadow:
        0 12px 32px rgba(15, 23, 42, 0.18),
        inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.course-video-frame #course-preview-player,
.course-video-frame .plyr {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    min-height: 100%;
    border-radius: 18px;
}

.course-video-frame .plyr__video-wrapper,
.course-video-frame .plyr__video-embed {
    width: 100%;
    height: 100%;
}

.course-video-frame .plyr__video-embed iframe {
    pointer-events: auto;
}

.course-video-frame .plyr--video {
    border-radius: 18px;
    overflow: hidden;
}

.course-video-frame--locked #course-preview-player,
.course-video-frame--locked .plyr {
    pointer-events: none;
}

.course-video-lock-overlay {
    position: absolute;
    inset: 0;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(12px, 3vw, 24px);
    border-radius: inherit;
    background: linear-gradient(160deg, rgba(15, 23, 42, 0.82) 0%, rgba(15, 23, 42, 0.68) 100%);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    pointer-events: auto;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.course-video-lock-overlay.is-hidden {
    display: none;
}

.course-video-lock-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(8px, 2vw, 12px);
    width: min(100%, 320px);
    max-width: 100%;
    margin: auto;
    padding: clamp(16px, 4vw, 24px) clamp(14px, 3.5vw, 20px);
    border-radius: clamp(14px, 2.5vw, 18px);
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.28);
    text-align: center;
}

.course-video-lock-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: clamp(44px, 11vw, 52px);
    height: clamp(44px, 11vw, 52px);
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(255, 1, 79, 0.14), rgba(255, 1, 79, 0.06));
    color: var(--color-primary);
    font-size: clamp(1rem, 2.8vw, 1.25rem);
}

.course-video-lock-title {
    margin: 0;
    color: #0f172a;
    font-size: clamp(0.92rem, 2.6vw, 1.05rem);
    font-weight: 800;
    line-height: 1.35;
    word-break: break-word;
    overflow-wrap: anywhere;
    max-width: 100%;
}

.course-video-lock-text {
    margin: 0;
    color: #64748b;
    font-size: clamp(0.82rem, 2.2vw, 0.92rem);
    line-height: 1.5;
    max-width: 100%;
}

.course-video-enroll-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: min(100%, 220px);
    min-height: 44px;
    margin-top: 4px;
    padding: 10px clamp(18px, 4vw, 24px);
    border-radius: 999px;
    font-size: clamp(0.88rem, 2.4vw, 0.95rem);
    font-weight: 700;
    text-decoration: none;
    pointer-events: auto;
    cursor: pointer;
    position: relative;
    z-index: 6;
    -webkit-tap-highlight-color: transparent;
}

.course-lecture-link--locked {
    cursor: not-allowed;
}

.course-lecture-link--locked:hover {
    color: #94a3b8 !important;
    background: rgba(15, 23, 42, 0.04);
    padding-left: 18px !important;
}

.course-lecture-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px solid rgba(15, 23, 42, 0.08);
}

.course-lecture-nav .rn-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 10px 22px;
    border-radius: 999px;
    font-size: 0.92rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.course-lecture-nav .rn-btn:not(.disabled):hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(255, 1, 79, 0.22);
}

.course-lecture-nav .rn-btn.disabled {
    opacity: 0.45;
    pointer-events: none;
    cursor: not-allowed;
}

.course-lecture-resource.is-hidden,
.course-video-description-panel.is-hidden {
    display: none;
}

.course-lecture-description-store {
    display: none !important;
}

.course-panel-collapse,
.course-extra-block.course-panel-collapse {
    padding: 0;
    overflow: hidden;
}

.course-collapse-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    width: 100%;
    padding: 18px 20px;
    border: 0;
    border-radius: 18px;
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.96) 0%, rgba(248, 250, 252, 0.9) 100%);
    text-align: left;
    cursor: pointer;
    transition: background 0.2s ease, box-shadow 0.2s ease;
}

.course-panel-collapse .course-collapse-toggle {
    border-radius: 18px 18px 0 0;
}

.course-panel-collapse .course-collapse-toggle.collapsed {
    border-radius: 18px;
}

.course-collapse-toggle:hover,
.course-collapse-toggle:focus {
    outline: none;
    background: linear-gradient(160deg, rgba(255, 255, 255, 1) 0%, rgba(255, 241, 246, 0.55) 100%);
    box-shadow: inset 0 0 0 1px rgba(255, 1, 79, 0.12);
}

.course-collapse-toggle-copy {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}

.course-collapse-title {
    color: #0f172a;
    font-size: 1.08rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.3;
}

.course-collapse-icon {
    flex-shrink: 0;
    color: var(--color-primary);
    font-size: 0.95rem;
    transition: transform 0.25s ease;
}

.course-collapse-toggle[aria-expanded="true"] .course-collapse-icon {
    transform: rotate(180deg);
}

.course-panel-collapse-panel {
    border-top: 1px solid rgba(15, 23, 42, 0.08);
}

.course-panel-collapse-body {
    padding: 20px 20px 22px;
}

.course-panel-collapse-body .course-prerequisite-list,
.course-panel-collapse-body .course-prerequisite-content {
    margin: 0;
}

.course-panel-collapse + .course-panel-collapse {
    margin-top: 14px;
}

.course-panel-empty {
    color: #64748b;
    font-size: 0.95rem;
    font-style: italic;
    list-style: none;
    margin-left: 0;
    padding-left: 0;
}

.course-panel-collapse-body--description .course-summary-title {
    font-size: clamp(1.35rem, 3vw, 1.85rem);
    margin-bottom: 12px;
}

.course-panel-collapse-body--description .course-instructor-pill {
    margin-bottom: 18px;
}

.course-content-panel--enrolled {
    padding: 0;
    overflow: hidden;
}

.course-content-panel--enrolled .course-panel-collapse {
    border: 0;
    background: transparent;
    box-shadow: none;
}

.course-extra-block {
    margin-top: 22px;
    padding: 18px 20px;
    border-radius: 18px;
    border: 1px solid rgba(15, 23, 42, 0.07);
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.96) 0%, rgba(248, 250, 252, 0.9) 100%);
}

.course-extra-block h5 {
    margin: 0 0 12px;
    color: #0f172a;
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.course-prerequisite-list,
.course-prerequisite-content {
    margin: 0;
    color: #475569;
    font-size: 0.95rem;
    line-height: 1.75;
}

.course-prerequisite-list {
    padding-left: 1.15rem;
}

.course-prerequisite-list li + li {
    margin-top: 6px;
}

.course-prerequisite-content {
    overflow-wrap: break-word;
    word-wrap: break-word;
}

.course-prerequisite-content > *:first-child {
    margin-top: 0;
}

.course-prerequisite-content > *:last-child {
    margin-bottom: 0;
}

.course-prerequisite-content p {
    margin: 0 0 0.5em;
}

.course-prerequisite-content img,
.course-prerequisite-content table,
.course-prerequisite-content pre,
.course-prerequisite-content iframe {
    max-width: 100%;
    height: auto;
}

.course-prerequisite-content ul,
.course-prerequisite-content ol {
    margin: 0.35em 0 0.5em;
    padding-left: 1.1rem;
}

.course-resource-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    max-width: 100%;
    padding: 10px 14px;
    border-radius: 12px;
    background: rgba(255, 1, 79, 0.06);
    border: 1px solid rgba(255, 1, 79, 0.14);
    color: var(--color-primary);
    font-size: 0.92rem;
    font-weight: 700;
    text-decoration: none;
    transition: background 0.2s ease, transform 0.2s ease;
    word-break: break-word;
    overflow-wrap: anywhere;
}

.course-resource-link:hover {
    background: rgba(255, 1, 79, 0.12);
    color: var(--color-primary);
    transform: translateY(-1px);
    text-decoration: none;
}

.course-curriculum-panel {
    --curriculum-scroll-min: clamp(240px, 46vh, 380px);
    --curriculum-scroll-max: min(460px, 58vh);
    --curriculum-radius: 20px;
    --curriculum-pad-x: 14px;
    --curriculum-pad-y: 14px;
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
    min-width: 0;
    align-self: stretch;
    width: 100%;
}

.course-curriculum-shell {
    position: relative;
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    min-height: 0;
    min-width: 0;
    width: 100%;
    max-width: 100%;
    padding: 0;
    border-radius: var(--curriculum-radius);
    border: 1px solid rgba(15, 23, 42, 0.08);
    background:
        radial-gradient(120% 80% at 100% 0%, rgba(255, 1, 79, 0.07) 0%, transparent 46%),
        linear-gradient(165deg, rgba(255, 255, 255, 0.99) 0%, rgba(248, 250, 252, 0.97) 55%, rgba(255, 244, 248, 0.4) 100%);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.96),
        0 14px 34px rgba(15, 23, 42, 0.07);
    overflow: hidden;
    isolation: isolate;
}

.course-curriculum-shell::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), rgba(255, 107, 157, 0.5), transparent 88%);
    pointer-events: none;
    z-index: 2;
}

.course-curriculum-header {
    flex-shrink: 0;
    margin: 0;
    padding: var(--curriculum-pad-y) var(--curriculum-pad-x) calc(var(--curriculum-pad-y) - 2px);
    border-bottom: 1px solid rgba(15, 23, 42, 0.07);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.94) 0%, rgba(248, 250, 252, 0.78) 100%);
    z-index: 1;
}

.course-curriculum-header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.course-curriculum-header-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 10px;
    color: var(--color-primary);
    background: rgba(255, 1, 79, 0.1);
    border: 1px solid rgba(255, 1, 79, 0.14);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
    font-size: 0.78rem;
}

.course-curriculum-title {
    margin: 8px 0 0;
    color: #0f172a;
    font-size: clamp(1.02rem, 2.4vw + 0.7rem, 1.28rem);
    font-weight: 800;
    letter-spacing: -0.025em;
    line-height: 1.28;
    overflow-wrap: anywhere;
}

.course-curriculum-subtitle {
    margin: 5px 0 0;
    color: #64748b;
    font-size: clamp(0.78rem, 0.8vw + 0.7rem, 0.88rem);
    font-weight: 500;
    line-height: 1.45;
    max-width: 36ch;
}

.course-curriculum-scroll {
    position: relative;
    flex: 1 1 auto;
    min-height: var(--curriculum-scroll-min);
    max-height: var(--curriculum-scroll-max);
    overflow-y: auto;
    overflow-x: hidden;
    padding: 12px var(--curriculum-pad-x) 14px;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    touch-action: pan-y;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 1, 79, 0.48) rgba(15, 23, 42, 0.05);
    scroll-behavior: smooth;
    scroll-padding-block: 10px;
    background: rgba(248, 250, 252, 0.78);
}

.course-curriculum-scroll:focus {
    outline: none;
}

.course-curriculum-scroll:focus-visible {
    outline: 2px solid rgba(255, 1, 79, 0.45);
    outline-offset: -2px;
}

.course-curriculum-scroll::-webkit-scrollbar {
    width: 6px;
}

.course-curriculum-scroll::-webkit-scrollbar-track {
    margin: 8px 0;
    background: rgba(15, 23, 42, 0.04);
    border-radius: 999px;
}

.course-curriculum-scroll::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(255, 1, 79, 0.58), rgba(255, 1, 79, 0.32));
    border-radius: 999px;
    border: 1px solid rgba(248, 250, 252, 0.85);
}

.course-curriculum-scroll::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, rgba(255, 1, 79, 0.75), rgba(255, 1, 79, 0.45));
}

.course-curriculum-accordion {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
}

.course-curriculum-accordion .card {
    margin-bottom: 0;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 14px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.04);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.course-curriculum-accordion .card:hover {
    border-color: rgba(255, 1, 79, 0.16);
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.07);
}

.course-curriculum-accordion .card:has(.collapse.show) {
    border-color: rgba(255, 1, 79, 0.2);
    box-shadow:
        0 8px 22px rgba(255, 1, 79, 0.07),
        0 3px 12px rgba(15, 23, 42, 0.04);
}

.course-curriculum-accordion .card-header {
    padding: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(241, 245, 249, 0.92) 100%);
    border-bottom: 1px solid transparent;
}

.course-curriculum-accordion .card:has(.collapse.show) .card-header {
    border-bottom-color: rgba(15, 23, 42, 0.06);
    background: linear-gradient(135deg, rgba(255, 241, 246, 0.95) 0%, rgba(248, 250, 252, 0.96) 100%);
}

.course-curriculum-accordion .card-header h6 {
    margin: 0;
}

.course-curriculum-accordion .card-header .btn {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    width: 100%;
    min-height: 48px;
    padding: 12px 14px;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: #0f172a;
    font-size: clamp(0.9rem, 0.55vw + 0.82rem, 1.05rem);
    font-weight: 700;
    text-align: left;
    white-space: normal;
    overflow-wrap: anywhere;
    word-break: break-word;
    box-shadow: none;
    -webkit-tap-highlight-color: transparent;
    transition: background 0.2s ease;
}

.course-curriculum-accordion .card-header .btn > i {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    margin: 0;
    border-radius: 8px;
    font-size: 0.72rem;
    color: var(--color-primary);
    background: rgba(255, 1, 79, 0.1);
    border: 1px solid rgba(255, 1, 79, 0.12);
}

.course-curriculum-accordion .card-header .btn > i.fa-lock {
    color: #64748b;
    background: rgba(100, 116, 139, 0.1);
    border-color: rgba(100, 116, 139, 0.14);
}

.course-curriculum-accordion .card-header .btn b {
    display: block;
    flex: 1 1 auto;
    min-width: 0;
    margin: 0;
    padding-top: 3px;
    line-height: 1.4;
    letter-spacing: -0.01em;
    font-weight: 700;
}

.course-curriculum-accordion .card-header .btn::after {
    content: "\f078";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    flex-shrink: 0;
    margin-left: auto;
    margin-top: 6px;
    color: #94a3b8;
    font-size: 0.7rem;
    line-height: 1;
    transition: transform 0.25s ease, color 0.2s ease;
}

.course-curriculum-accordion .card-header .btn[aria-expanded="true"]::after {
    transform: rotate(180deg);
    color: var(--color-primary);
}

.course-curriculum-accordion .card-header .btn:hover {
    background: rgba(255, 1, 79, 0.04);
}

.course-curriculum-accordion .card-header .btn:focus {
    outline: none;
    box-shadow: none;
}

.course-curriculum-accordion .card-header .btn:focus-visible {
    outline: 2px solid rgba(255, 1, 79, 0.4);
    outline-offset: -2px;
}

.course-curriculum-accordion .card-body {
    padding: 6px 8px 10px;
    background: linear-gradient(180deg, rgba(248, 250, 252, 0.55), rgba(255, 255, 255, 0.92));
}

.course-curriculum-accordion .list-unstyled {
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.course-curriculum-accordion .list-group-item {
    padding: 0;
    border: 0;
    border-radius: 11px;
    background: transparent;
    overflow: hidden;
    min-width: 0;
}

.course-curriculum-accordion .list-group-item a {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    min-height: 44px;
    padding: 9px 11px;
    color: #475569;
    font-size: clamp(0.88rem, 0.45vw + 0.8rem, 1rem);
    font-weight: 1000;
    line-height: 2.4;
    text-decoration: none;
    border-radius: 0px;
    -webkit-tap-highlight-color: transparent;
    transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.course-curriculum-accordion .list-group-item a > i {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    margin: 0 !important;
    border-radius: 8px;
    font-size: 0.7rem;
    color: #64748b;
    background: rgba(15, 23, 42, 0.05);
    border: 1px solid rgba(15, 23, 42, 0.06);
}

.course-curriculum-accordion .course-lecture-link-label {
    display: block;
    flex: 1 1 auto;
    min-width: 0;
    padding-top: 1px;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.course-curriculum-accordion .list-group-item a.course-lecture-link--preview > i {
    color: var(--color-primary);
    background: rgba(255, 1, 79, 0.1);
    border-color: rgba(255, 1, 79, 0.14);
}

.course-curriculum-accordion .list-group-item a.course-lecture-link--locked > i {
    color: #94a3b8;
    background: rgba(148, 163, 184, 0.12);
}

.course-curriculum-accordion .list-group-item a:hover {
    background: rgba(255, 1, 79, 0.07);
    color: #0f172a;
}

.course-curriculum-accordion .active-video {
    background: transparent;
    border-left: 0;
}

.course-curriculum-accordion .active-video a,
.course-curriculum-accordion .list-group-item.active-video a {
    background: linear-gradient(105deg, rgba(255, 1, 79, 0.14), rgba(255, 1, 79, 0.05));
    color: var(--color-primary);
    box-shadow:
        inset 3px 0 0 var(--color-primary),
        0 3px 12px rgba(255, 1, 79, 0.07);
}

.course-curriculum-accordion .active-video a > i,
.course-curriculum-accordion .list-group-item.active-video a > i {
    color: #fff;
    background: var(--color-primary);
    border-color: transparent;
    box-shadow: 0 4px 10px rgba(255, 1, 79, 0.25);
}

.course-curriculum-accordion .active-video-link-text {
    color: var(--color-primary) !important;
    font-weight: 700;
}

/* Curriculum responsive ladder */
@media only screen and (min-width: 576px) {
    .course-curriculum-panel {
        --curriculum-scroll-min: clamp(260px, 44vh, 420px);
        --curriculum-scroll-max: min(500px, 58vh);
        --curriculum-radius: 22px;
        --curriculum-pad-x: 16px;
        --curriculum-pad-y: 16px;
    }

    .course-curriculum-header-icon {
        width: 34px;
        height: 34px;
        border-radius: 11px;
        font-size: 0.82rem;
    }

    .course-curriculum-accordion {
        gap: 10px;
    }

    .course-curriculum-accordion .card {
        border-radius: 15px;
    }
}

@media only screen and (min-width: 768px) {
    .course-curriculum-panel {
        --curriculum-scroll-min: clamp(280px, 42vh, 460px);
        --curriculum-scroll-max: min(540px, 60vh);
        --curriculum-radius: 24px;
        --curriculum-pad-x: 18px;
        --curriculum-pad-y: 18px;
    }

    .course-curriculum-scroll {
        padding-top: 14px;
        padding-bottom: 16px;
    }

    .course-curriculum-accordion .card-header .btn {
        padding: 13px 15px;
    }

    .course-curriculum-accordion .list-group-item a {
        padding: 11px 12px;
    }
}

@media only screen and (min-width: 992px) {
    .course-curriculum-panel {
        --curriculum-scroll-min: 0;
        --curriculum-scroll-max: none;
        --curriculum-pad-x: 18px;
        --curriculum-pad-y: 18px;
    }

    .course-curriculum-scroll {
        min-height: 0;
        max-height: none;
        -webkit-mask-image: linear-gradient(
            to bottom,
            transparent 0,
            #000 12px,
            #000 calc(100% - 14px),
            transparent 100%
        );
        mask-image: linear-gradient(
            to bottom,
            transparent 0,
            #000 12px,
            #000 calc(100% - 14px),
            transparent 100%
        );
    }

    .course-curriculum-subtitle {
        max-width: none;
    }
}

@media only screen and (min-width: 1200px) {
    .course-curriculum-panel {
        --curriculum-pad-x: 20px;
        --curriculum-pad-y: 20px;
    }

    .course-curriculum-accordion .card-header .btn {
        padding: 14px 16px;
    }
}

@media only screen and (max-width: 991.98px) {
    .course-curriculum-panel {
        margin-top: 0.35rem;
    }

    .course-curriculum-shell {
        position: relative;
        top: auto;
        max-height: none;
    }
}

@media only screen and (max-width: 575.98px) {
    .course-curriculum-subtitle {
        max-width: none;
    }

    .course-curriculum-accordion .card-header .btn {
        gap: 8px;
        padding: 11px 12px;
    }

    .course-curriculum-accordion .card-header .btn > i,
    .course-curriculum-accordion .list-group-item a > i {
        width: 26px;
        height: 26px;
        border-radius: 7px;
    }

    .course-curriculum-accordion .card-body {
        padding: 4px 6px 8px;
    }

    .course-curriculum-accordion .list-group-item a {
        gap: 8px;
        padding: 9px 10px;
    }
}

@media only screen and (orientation: landscape) and (max-height: 520px) {
    .course-curriculum-panel {
        --curriculum-scroll-min: clamp(160px, 42vh, 260px);
        --curriculum-scroll-max: min(300px, 58vh);
    }

    .course-curriculum-shell {
        position: relative;
        top: auto;
        max-height: none;
    }

    .course-curriculum-header {
        padding-top: 12px;
        padding-bottom: 10px;
    }

    .course-curriculum-subtitle {
        display: none;
    }
}

@media (hover: none) {
    .course-curriculum-accordion .card:hover {
        border-color: rgba(15, 23, 42, 0.08);
        box-shadow: 0 4px 14px rgba(15, 23, 42, 0.04);
    }

    .course-curriculum-accordion .list-group-item a:hover {
        background: transparent;
        color: #475569;
    }

    .course-curriculum-accordion .active-video a:hover,
    .course-curriculum-accordion .list-group-item.active-video a:hover {
        background: linear-gradient(105deg, rgba(255, 1, 79, 0.14), rgba(255, 1, 79, 0.05));
        color: var(--color-primary);
    }
}

@media (prefers-reduced-motion: reduce) {
    .course-curriculum-scroll {
        scroll-behavior: auto;
    }

    .course-curriculum-accordion .card,
    .course-curriculum-accordion .card-header .btn,
    .course-curriculum-accordion .card-header .btn::after,
    .course-curriculum-accordion .list-group-item a {
        transition: none;
    }
}

.course-meta-actions {
    margin-top: 22px;
    padding-top: 20px;
    border-top: 1px solid rgba(15, 23, 42, 0.08);
}

.course-meta-actions a.rn-btn.course-meta-btn {
    display: inline-flex !important;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    min-height: 52px;
    padding: 14px 24px;
    border-radius: 999px;
    font-size: 0.98rem;
    font-weight: 800;
    letter-spacing: 0.03em;
    line-height: 1.2;
    text-align: center;
    vertical-align: middle;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.course-meta-actions a.rn-btn.course-meta-btn::before {
    display: none;
}

.course-meta-actions a.rn-btn.course-meta-btn i {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 1.15em;
    height: 1.15em;
    margin: 0;
    padding: 0;
    line-height: 1;
    font-size: 1.1em;
    vertical-align: middle;
}

.course-meta-actions a.rn-btn.course-meta-btn--primary {
    background: var(--color-primary);
    color: #ffffff;
    box-shadow: 0 10px 24px rgba(255, 1, 79, 0.28);
}

.course-meta-actions a.rn-btn.course-meta-btn--primary:hover {
    transform: translateY(-2px);
    background: #e6004a;
    box-shadow: 0 14px 30px rgba(255, 1, 79, 0.34);
    color: #ffffff;
}

.course-reviews-card {
    margin-top: 24px;
}

.course-preview-workspace,
.course-preview-card {
    content-visibility: visible;
}

.course-review-list {
    display: grid;
    gap: 18px;
}

.course-user-review {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 24px;
    align-items: center;
    padding: 24px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.72);
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
    content-visibility: auto;
    contain-intrinsic-size: auto 180px;
}

.course-review-person {
    display: flex;
    gap: 18px;
    align-items: flex-start;
}

.course-review-avatar {
    width: 72px;
    height: 72px;
    flex: 0 0 72px;
    overflow: hidden;
    border-radius: 22px;
    background: linear-gradient(145deg, #e2e8f0, #ffffff);
    box-shadow: var(--shadow-white-3);
}

.course-review-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.course-review-meta {
    margin-bottom: 8px;
}

.course-review-date {
    display: block;
    margin-bottom: 5px;
    color: var(--color-primary);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.course-review-name {
    margin: 0;
    color: #0f172a;
    font-size: 1.15rem;
    font-weight: 800;
}

.course-review-copy {
    margin: 0;
    color: #475569;
    line-height: 1.75;
}

.course-review-stars {
    min-width: 0;
    text-align: right;
}

.course-review-stars .rating {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 2px;
}

.course-review-stars .fa-star,
.course-review-stars .fa {
    color: #f5c518;
    font-size: 1.25rem;
}

.course-preview-card,
.course-reviews-card {
    content-visibility: auto;
    contain-intrinsic-size: auto 500px;
}

@media only screen and (max-width: 1199px) {
    .course-cover-stage {
        padding: 24px 20px;
    }

    .course-content-panel {
        padding: 30px;
    }

}

@media only screen and (max-width: 991px) {
    .course-detail-page.main-page-wrapper {
        margin-top: 2rem !important;
    }

    .course-detail-page .rn-section-gap {
        padding-top: 72px;
        padding-bottom: 48px;
    }

    .course-detail-page .course-hero-row {
        padding-top: 10px;
    }

    .course-hero-banner {
        margin-top: 16px;
    }

    .course-premium-grid > [class*="col-"] {
        padding-left: 12px;
        padding-right: 12px;
    }

    .course-premium-column {
        padding-left: 10px;
        padding-right: 10px;
    }

    .course-premium-stack {
        gap: 20px;
    }

    .course-cover-panel,
    .course-purchase-panel,
    .course-content-panel,
    .course-preview-card,
    .course-review-card,
    .course-reviews-card,
    .course-ratings-widget-panel {
        padding: 24px;
    }

    .course-preview-grid > [class*="col-"] {
        padding-left: 10px;
        padding-right: 10px;
    }

    .course-collapse-toggle {
        padding: 16px 18px;
    }

    .course-panel-collapse-body {
        padding: 18px 18px 20px;
    }
}

@media only screen and (max-width: 767px) {
    .course-detail-page {
        padding-top: 16px;
        font-size: 1.06rem;
    }

    .course-detail-page .course-content-panel .course-description,
    .course-detail-page .course-description {
        font-size: 1.18rem;
    }

    .course-detail-page .course-hero-chip {
        font-size: 0.94rem;
    }

    .course-detail-page .course-fact-value {
        font-size: 1.06rem;
    }

    .course-detail-page .course-fact-title {
        font-size: 1.12rem;
    }

    .course-detail-page .course-instructor-pill {
        font-size: 1rem;
    }

    .course-detail-page .course-curriculum-accordion .card-header .btn {
        font-size: 1rem;
    }

    .course-detail-page .course-curriculum-accordion .list-group-item a {
        font-size: 0.98rem;
    }

    .course-detail-page .rn-section-gap {
        padding-top: 56px;
        padding-bottom: 36px;
    }

    .course-detail-page .course-hero-row {
        padding-top: 8px;
    }

    .course-hero-banner {
        margin-top: 12px;
    }

    .course-hero-banner::before {
        top: 16px;
        bottom: 16px;
    }

    .course-detail-page .container {
        padding-left: 14px;
        padding-right: 14px;
    }

    .course-detail-page .row {
        margin-left: 0;
        margin-right: 0;
    }

    .course-detail-bottom > [class*="col-"] {
        padding-left: 0;
        padding-right: 0;
    }

    .course-detail-page::before,
    .course-detail-page::after {
        display: none;
    }

    .course-hero-banner {
        margin-bottom: 22px;
        padding: 22px 18px;
        border-radius: 22px;
    }

    .course-hero-title {
        font-size: clamp(1.45rem, 6.5vw, 2rem);
    }

    .course-hero-meta {
        margin-top: 14px;
        gap: 8px;
    }

    .course-hero-chip {
        font-size: 0.86rem;
        padding: 8px 12px;
    }

    .course-glass-card {
        border-radius: 22px;
    }

    .course-premium-grid-intro {
        padding: 0 8px 4px;
        margin-bottom: 4px;
    }

    .course-premium-column {
        padding-left: 8px;
        padding-right: 8px;
        margin-bottom: 1.25rem;
    }

    .course-premium-stack {
        gap: 16px;
    }

    .course-cover-panel,
    .course-purchase-panel {
        padding: 20px;
    }

    .course-cover-stage {
        padding: 20px 16px;
        border-radius: 22px;
    }

    .course-cover-frame {
        border-radius: 12px;
    }

    .course-content-panel,
    .course-ratings-widget-panel {
        padding: 22px 18px;
    }

    .course-summary-title {
        font-size: clamp(1.55rem, 5.5vw, 2.1rem);
    }

    .course-meta-panel {
        padding: 16px 14px;
        border-radius: 18px;
    }

    .course-meta-header {
        gap: 12px;
        margin-bottom: 16px;
        padding-bottom: 14px;
    }

    .course-meta-badge {
        width: 40px;
        height: 40px;
    }

    .course-meta-subtitle {
        font-size: 0.82rem;
    }

    .course-fact-row {
        padding: 14px 2px;
    }

    .course-fact-row--price {
        padding: 14px 12px;
    }

    .course-fact-row--price-solo .course-price-display {
        flex-direction: row;
    }

    .course-fact-title {
        font-size: 1.05rem;
    }

    .course-price-display {
        gap: 8px;
    }

    .course-price-value {
        font-size: 1.25rem;
        padding: 7px 14px;
    }

    .course-price-original {
        font-size: 0.92rem;
    }

    .course-content-panel {
        padding: 22px 20px;
    }

    .course-summary-title {
        font-size: clamp(1.5rem, 7vw, 2rem);
    }

    .course-instructor-pill {
        display: flex;
        width: 100%;
        max-width: 100%;
        flex-wrap: wrap;
        border-radius: 16px;
        font-size: 0.95rem;
    }

    .course-description,
    .course-content-panel .course-description {
        font-size: 1.12rem;
        line-height: 1.85;
    }

    .course-description.text-justify,
    .course-description.text-justify p,
    .course-description.text-justify li,
    .course-content-panel .course-description p,
    .course-content-panel .course-description li {
        line-height: 1.8;
    }

    .course-card-heading {
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
    }

    .course-card-heading .heading-line {
        width: 100%;
    }

    .course-preview-card,
    .course-review-card,
    .course-reviews-card {
        padding: 20px;
    }

    .course-preview-card {
        width: 100%;
        max-width: 100%;
    }

    .course-video-frame {
        border-radius: 14px;
    }

    .course-video-lock-overlay {
        padding: 14px 12px;
        align-items: flex-start;
    }

    .course-video-lock-card {
        width: 100%;
        padding: 18px 16px;
        border-radius: 16px;
    }

    .course-video-enroll-btn {
        width: 100%;
        max-width: none;
        min-height: 46px;
    }

    .course-lecture-nav {
        justify-content: center;
    }

    .course-lecture-nav .rn-btn {
        flex: 1 1 calc(50% - 6px);
        min-width: 120px;
    }

    .course-extra-block:not(.course-panel-collapse) {
        padding: 16px;
        border-radius: 16px;
    }

    .course-extra-block.course-panel-collapse {
        padding: 0;
        border-radius: 16px;
    }

    .course-preview-grid > [class*="col-"] {
        padding-left: 0;
        padding-right: 0;
    }

    .course-preview-card-heading {
        margin-bottom: 18px;
    }

    .course-video-panel {
        margin-bottom: 1.25rem !important;
    }

    .course-collapse-toggle {
        min-height: 48px;
        padding: 14px 16px;
        gap: 12px;
        -webkit-tap-highlight-color: transparent;
    }

    .course-collapse-title {
        font-size: 1rem;
    }

    .course-panel-collapse-body {
        padding: 16px;
    }

    .course-panel-collapse-body--description .course-summary-title {
        font-size: clamp(1.2rem, 5.5vw, 1.55rem);
    }

    .course-resource-link {
        width: 100%;
        justify-content: flex-start;
    }

    .course-content-panel--enrolled {
        margin-top: 1rem !important;
    }

    .course-content-panel--enrolled .course-collapse-toggle,
    .course-content-panel--enrolled .course-panel-collapse-body {
        padding-left: 16px;
        padding-right: 16px;
    }

    .course-user-review {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 18px;
        border-radius: 18px;
    }

    .course-review-stars {
        text-align: left;
    }

    .course-review-stars .rating {
        justify-content: flex-start;
    }

    .course-review-submit .course-review-btn {
        max-width: 100%;
    }

    .course-alerts .alert {
        font-size: 0.9rem;
        text-align: left;
    }
}

@media only screen and (max-width: 575px) {
    .course-detail-page.main-page-wrapper {
        margin-top: 1.25rem !important;
    }

    .course-detail-page .rn-section-gap {
        padding-top: 48px;
        padding-bottom: 28px;
    }

    .course-hero-banner {
        margin-top: 10px;
    }

    .course-hero-banner::before {
        top: 14px;
        bottom: 14px;
    }

    .course-detail-page .container {
        padding-left: 10px;
        padding-right: 10px;
    }

    .course-hero-banner {
        margin-bottom: 18px;
        padding: 18px 14px;
        border-radius: 18px;
    }

    .course-premium-grid > [class*="col-"] {
        padding-left: 8px;
        padding-right: 8px;
    }

    .course-premium-column {
        padding-left: 6px;
        padding-right: 6px;
    }

    .course-premium-stack {
        gap: 14px;
    }

    .course-cover-panel,
    .course-purchase-panel,
    .course-content-panel,
    .course-preview-card,
    .course-review-card,
    .course-reviews-card,
    .course-ratings-widget-panel {
        padding: 16px;
    }

    .course-cover-stage {
        border-radius: 18px;
        padding: 16px 12px;
    }

    .course-cover-frame {
        border-radius: 10px;
    }

    .course-fact-icon {
        width: 36px;
        height: 36px;
        border-radius: 10px;
    }

    .course-fact-value {
        font-size: 0.98rem;
    }

    .course-summary-card {
        margin-bottom: 0;
    }

    .course-premium-stack .course-review-card {
        margin-top: 0;
    }

    .course-review-card .wrapper {
        max-width: 100%;
    }

    .course-review-card .wrapper .content {
        padding: 20px 14px;
    }

    .course-review-card .wrapper .outer {
        height: 110px;
        width: 110px;
    }

    .course-review-card #star-2:checked ~ .content .emojis .slideImg {
        margin-top: -110px;
    }

    .course-review-card #star-3:checked ~ .content .emojis .slideImg {
        margin-top: -220px;
    }

    .course-review-card #star-4:checked ~ .content .emojis .slideImg {
        margin-top: -330px;
    }

    .course-review-card #star-5:checked ~ .content .emojis .slideImg {
        margin-top: -440px;
    }

    .course-review-card .stars label {
        font-size: 24px;
        margin: 0;
    }

    .course-review-header {
        gap: 12px;
        margin-bottom: 18px;
        padding-bottom: 16px;
    }

    .course-review-header-badge {
        width: 40px;
        height: 40px;
    }

    .course-rating-stage,
    .course-review-compose {
        padding: 16px 14px;
        border-radius: 18px;
    }

    .course-review-compose textarea {
        min-height: 120px;
        padding: 14px 16px;
        border-radius: 16px;
        font-size: 0.95rem;
    }

    .course-review-submit .course-review-btn {
        max-width: 100%;
    }

    .course-review-person {
        gap: 14px;
    }

    .course-review-avatar {
        width: 56px;
        height: 56px;
        flex: 0 0 56px;
        border-radius: 16px;
    }

    .course-review-name {
        font-size: 1rem;
    }

    .course-review-stars .fa-star,
    .course-review-stars .fa {
        font-size: 1.1rem;
    }

    .course-video-label {
        padding: 10px 14px;
        font-size: 0.88rem;
    }

    .course-meta-actions a.rn-btn.course-meta-btn {
        min-height: 48px;
        font-size: 0.92rem;
    }

    .course-flipbook__shell {
        padding: 0.65rem 0.55rem 0.75rem;
    }

    .course-flipbook__toolbar {
        width: 100%;
        gap: 0.45rem;
        margin-bottom: 0.55rem;
        padding: 0.35rem 0.45rem;
        border-radius: 16px;
    }

    .course-flipbook__toolbar-divider {
        height: 24px;
    }

    .course-flipbook__btn {
        width: 38px;
        height: 38px;
        flex: 0 0 38px;
    }

    .course-flipbook__zoom {
        min-width: 46px;
        font-size: 0.72rem;
        padding: 0.3rem 0.4rem;
    }

    .course-flipbook__status {
        min-width: 64px;
        font-size: 0.76rem;
        padding: 0.35rem 0.65rem;
    }

    .course-flipbook__viewport {
        padding: 0.35rem;
    }

    .course-preview-card {
        padding: 14px;
    }

    .course-panel-collapse + .course-panel-collapse {
        margin-top: 12px;
    }

    .course-collapse-toggle {
        padding: 12px 14px;
    }

    .course-collapse-title {
        font-size: 0.95rem;
    }

    .course-panel-collapse-body {
        padding: 14px;
    }

    .course-prerequisite-list,
    .course-prerequisite-content,
    .course-panel-empty {
        font-size: 0.9rem;
    }

    .course-video-frame #course-preview-player,
    .course-video-frame .plyr {
        border-radius: 12px;
    }
}

@media only screen and (max-width: 480px) {
    .course-lecture-nav .rn-btn {
        flex: 1 1 100%;
    }

    .course-video-lock-overlay {
        padding: 12px 10px;
    }

    .course-video-lock-card {
        gap: 10px;
        padding: 16px 14px;
    }

    .course-video-enroll-btn {
        min-height: 48px;
        font-size: 0.9rem;
    }

    .course-collapse-toggle-copy {
        gap: 4px;
    }

    .course-resource-link {
        font-size: 0.88rem;
        padding: 10px 12px;
    }

    .course-flipbook__shell {
        padding: 0.5rem 0.4rem 0.65rem;
    }

    .course-flipbook__toolbar {
        gap: 0.35rem;
        padding: 0.3rem 0.35rem;
    }

    .course-flipbook__btn {
        width: 36px;
        height: 36px;
        flex-basis: 36px;
    }

    .course-flipbook__btn--reset {
        margin-left: 0.1rem;
    }

    .course-flipbook__zoom {
        min-width: 42px;
    }
}

@media only screen and (orientation: landscape) and (max-height: 520px) {
    .course-preview-frame {
        height: clamp(280px, 86vh, 520px);
        min-height: 240px;
    }

    .course-flipbook__shell {
        padding: 0.45rem 0.5rem 0.55rem;
    }

    .course-flipbook__toolbar {
        margin-bottom: 0.4rem;
        padding: 0.25rem 0.4rem;
    }

    .course-flipbook__viewport {
        padding: 0.25rem;
    }

    .course-cover-stage {
        padding: 14px 12px;
    }

    .course-video-frame {
        min-height: 180px;
    }

    .course-video-lock-overlay {
        padding: 10px 8px;
    }

    .course-video-lock-card {
        padding: 14px 12px;
    }
}

@media only screen and (max-width: 380px) {
    .course-video-lock-title {
        font-size: 0.88rem;
    }

    .course-video-lock-text {
        font-size: 0.8rem;
    }

    .course-video-enroll-btn {
        min-height: 46px;
        padding: 10px 16px;
    }

    .course-hero-banner {
        padding: 18px 14px;
        border-radius: 18px;
    }

    .course-hero-eyebrow,
    .course-hero-status {
        font-size: 10px;
        padding: 6px 12px;
    }

    .course-hero-title {
        font-size: 1.35rem;
    }

    .course-hero-meta {
        flex-direction: column;
        align-items: stretch;
    }

    .course-hero-chip {
        justify-content: center;
    }

    .course-section-eyebrow {
        font-size: 10px;
        letter-spacing: 0.1em;
    }

    .course-meta-subtitle {
        font-size: 0.78rem;
    }

    .course-card-heading h3,
    .course-card-heading h4,
    .course-card-heading h5 {
        font-size: 1rem;
    }

    .course-collapse-toggle {
        padding: 11px 12px;
    }

    .course-collapse-title {
        font-size: 0.9rem;
    }

    .course-panel-collapse-body {
        padding: 12px;
    }

    .course-description,
    .course-content-panel .course-description,
    .course-detail-page .course-content-panel .course-description,
    .course-detail-page .course-description {
        font-size: 1.02rem;
        line-height: 1.75;
    }

    .course-video-label {
        padding: 9px 12px;
        font-size: 0.84rem;
    }
}

/* Course reading page (course_page.html) — reuses preview workspace layout */
.course-reading-page .course-preview-card {
    margin-bottom: 24px;
}

.course-reading-page .course-preview-grid > .course-curriculum-panel {
    margin-top: 0;
}

.course-reading-page .course-video-panel .course-panel-collapse:first-of-type {
    margin-top: 20px;
}

@media only screen and (max-width: 991px) {
    .course-reading-page .course-curriculum-panel {
        margin-top: 1rem;
    }
}

/* ── Inline Ratings Widget (left column, premium) ─────────────────────────── */
.course-ratings-widget-panel {
    padding: 24px;
    border-radius: 30px;
    background: var(--gradient-box-w);
    margin-top: 0;
}

.course-ratings-widget-head {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 18px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.course-ratings-widget-badge {
    margin-top: 2px;
}

.course-ratings-widget-head-copy {
    flex: 1;
    min-width: 0;
}

.course-ratings-widget-title {
    margin: 4px 0 8px;
    color: #0f172a;
    font-size: 1.15rem;
    font-weight: 800;
    line-height: 1.3;
}

.course-ratings-widget-summary {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px 12px;
}

.course-ratings-widget-score {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 42px;
    padding: 4px 10px;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(255, 1, 79, 0.14), rgba(255, 1, 79, 0.05));
    color: var(--color-primary);
    font-size: 1rem;
    font-weight: 800;
    line-height: 1;
}

.course-ratings-widget-score-label {
    color: #64748b;
    font-size: 0.82rem;
    font-weight: 600;
}

.course-ratings-widget-count {
    color: #94a3b8;
    font-size: 0.82rem;
    font-weight: 600;
}

.course-ratings-widget-scroll {
    max-height: min(560px, 62vh);
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: 6px;
    margin-bottom: 16px;
    scrollbar-width: thin;
    scrollbar-color: rgba(15, 23, 42, 0.18) transparent;
}

.course-ratings-widget-scroll::-webkit-scrollbar {
    width: 5px;
}

.course-ratings-widget-scroll::-webkit-scrollbar-track {
    background: transparent;
}

.course-ratings-widget-scroll::-webkit-scrollbar-thumb {
    background: rgba(15, 23, 42, 0.16);
    border-radius: 999px;
}

.course-ratings-widget-list {
    display: grid;
    gap: 12px;
}

.course-ratings-widget-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 20px;
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.96) 0%, rgba(248, 250, 252, 0.92) 100%);
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.06);
    animation: ratingsWidgetFadeIn 0.32s ease both;
}

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

.course-ratings-widget-avatar {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    overflow: hidden;
    border-radius: 16px;
    background: linear-gradient(145deg, #e2e8f0, #ffffff);
    box-shadow: var(--shadow-white-3);
    display: flex;
    align-items: center;
    justify-content: center;
}

.course-ratings-widget-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.course-ratings-widget-avatar .course-ratings-widget-initials {
    color: #475569;
    font-size: 1rem;
    font-weight: 800;
    text-transform: uppercase;
    line-height: 1;
}

.course-ratings-widget-body {
    flex: 1;
    min-width: 0;
}

.course-ratings-widget-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 6px;
}

.course-ratings-widget-meta {
    min-width: 0;
}

.course-ratings-widget-name {
    display: block;
    margin: 0 0 3px;
    color: #0f172a;
    font-size: 0.98rem;
    font-weight: 800;
    line-height: 1.3;
    word-break: break-word;
}

.course-ratings-widget-date {
    display: block;
    color: var(--color-primary);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.course-ratings-widget-stars {
    display: flex;
    flex-shrink: 0;
    gap: 2px;
    margin-top: 2px;
}

.course-ratings-widget-stars .fa-star {
    color: #f5c518;
    font-size: 0.88rem;
}

.course-ratings-widget-stars .fa-star.empty {
    color: #cbd5e1;
}

.course-ratings-widget-feedback {
    margin: 0;
    color: #475569;
    font-size: 0.9rem;
    line-height: 1.65;
    word-break: break-word;
}

.course-ratings-widget-loading,
.course-ratings-widget-empty,
.course-ratings-widget-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 180px;
    padding: 24px 16px;
    border-radius: 20px;
    border: 1px dashed rgba(15, 23, 42, 0.1);
    background: rgba(255, 255, 255, 0.55);
    color: #64748b;
    font-size: 0.92rem;
    font-weight: 600;
    text-align: center;
}

.course-ratings-widget-loading-ring {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 3px solid rgba(15, 23, 42, 0.08);
    border-top-color: var(--color-primary);
    animation: ratingsWidgetSpin 0.75s linear infinite;
}

@keyframes ratingsWidgetSpin {
    to {
        transform: rotate(360deg);
    }
}

.course-ratings-widget-pagination {
    margin-top: 4px;
    padding-top: 18px;
    border-top: 1px solid rgba(15, 23, 42, 0.08);
}

.course-ratings-pagination-bar {
    display: grid;
    grid-template-columns: minmax(0, auto) minmax(0, 1fr) minmax(0, auto);
    align-items: center;
    gap: 12px 14px;
    width: 100%;
}

.course-ratings-pager-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 46px;
    min-width: 0;
    padding: 0 18px;
    margin: 0;
    border: 1px solid rgba(15, 23, 42, 0.1);
    border-radius: 999px;
    background: linear-gradient(160deg, #ffffff 0%, #f8fafc 100%);
    color: #0f172a;
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    line-height: 1;
    white-space: nowrap;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.95),
        0 6px 16px rgba(15, 23, 42, 0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, color 0.2s ease, opacity 0.2s ease;
}

.course-ratings-pagination-bar .course-ratings-pager-btn--prev {
    justify-self: start;
}

.course-ratings-pagination-bar .course-ratings-pager-btn--next {
    justify-self: end;
}

.course-ratings-pager-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(255, 1, 79, 0.14), rgba(255, 1, 79, 0.05));
    color: var(--color-primary);
    font-size: 0.76rem;
    line-height: 1;
}

.course-ratings-pager-label {
    line-height: 1;
}

.course-ratings-pager-btn:not(:disabled):hover {
    transform: translateY(-2px);
    border-color: rgba(255, 1, 79, 0.28);
    color: var(--color-primary);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.95),
        0 10px 24px rgba(255, 1, 79, 0.18);
}

.course-ratings-pager-btn:not(:disabled):active {
    transform: translateY(0);
}

.course-ratings-pager-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
    box-shadow: none;
}

.course-ratings-pager-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-width: 0;
    width: 100%;
}

.course-ratings-pager-status {
    color: #64748b;
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    white-space: nowrap;
}

.course-ratings-page-numbers {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 6px;
    max-width: 100%;
}

.course-ratings-page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    flex-shrink: 0;
    width: 34px;
    height: 34px;
    min-width: 34px;
    padding: 0 !important;
    margin: 0;
    border: 1px solid rgba(15, 23, 42, 0.1);
    border-radius: 50%;
    background: #ffffff;
    color: #475569;
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 700;
    line-height: 1;
    text-align: center;
    vertical-align: middle;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.course-ratings-page-btn--wide {
    width: auto;
    min-width: 38px;
    padding: 0 8px !important;
    border-radius: 999px;
}

.course-ratings-page-btn:hover {
    border-color: rgba(255, 1, 79, 0.35);
    color: var(--color-primary);
}

.course-ratings-page-btn.is-active {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: #ffffff;
    box-shadow: 0 6px 16px rgba(255, 1, 79, 0.22);
}

.course-ratings-page-ellipsis {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    color: #94a3b8;
    font-size: 0.82rem;
    font-weight: 700;
    line-height: 1;
    user-select: none;
}

@media (max-width: 767px) {
    .course-ratings-widget-panel {
        padding: 18px 16px;
        border-radius: 24px;
    }

    .course-ratings-widget-head {
        gap: 12px;
    }

    .course-ratings-widget-title {
        font-size: 1.05rem;
    }

    .course-ratings-widget-scroll {
        max-height: min(460px, 56vh);
    }

    .course-ratings-widget-item {
        padding: 14px;
        border-radius: 18px;
    }

    .course-ratings-widget-top {
        flex-direction: column;
        gap: 6px;
    }

    .course-ratings-widget-pagination {
        padding-top: 14px;
    }

    .course-ratings-pagination-bar {
        grid-template-columns: 1fr 1fr;
        grid-template-areas:
            "center center"
            "prev next";
        gap: 10px;
    }

    .course-ratings-pager-center {
        grid-area: center;
    }

    .course-ratings-pagination-bar .course-ratings-pager-btn--prev {
        grid-area: prev;
        justify-self: stretch;
    }

    .course-ratings-pagination-bar .course-ratings-pager-btn--next {
        grid-area: next;
        justify-self: stretch;
    }

    .course-ratings-pager-btn {
        width: 100%;
        min-height: 44px;
        padding: 0 14px;
        font-size: 0.84rem;
    }

    .course-ratings-page-numbers {
        overflow-x: auto;
        flex-wrap: nowrap;
        justify-content: flex-start;
        max-width: 100%;
        padding: 2px 0 4px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .course-ratings-page-numbers::-webkit-scrollbar {
        display: none;
    }
}

@media (max-width: 575px) {
    .course-ratings-widget-panel {
        padding: 16px 14px;
        border-radius: 20px;
    }

    .course-ratings-widget-summary {
        gap: 6px 10px;
    }

    .course-ratings-widget-score {
        min-width: 38px;
        font-size: 0.92rem;
    }

    .course-ratings-pagination-bar {
        gap: 8px;
    }

    .course-ratings-pager-btn {
        min-height: 42px;
        padding: 0 12px;
        gap: 8px;
    }

    .course-ratings-pager-icon {
        width: 28px;
        height: 28px;
        font-size: 0.72rem;
    }

    .course-ratings-pager-status {
        font-size: 0.72rem;
    }

    .course-ratings-page-btn {
        width: 32px;
        height: 32px;
        min-width: 32px;
        font-size: 0.78rem;
    }

    .course-ratings-page-btn--wide {
        min-width: 36px;
        padding: 0 7px !important;
    }
}

@media (max-width: 420px) {
    .course-ratings-pager-label {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
    }

    .course-ratings-pager-btn {
        position: relative;
        justify-content: center;
        min-width: 44px;
        width: auto;
        padding: 0;
    }

    .course-ratings-pager-icon {
        width: 34px;
        height: 34px;
        font-size: 0.8rem;
    }
}


/* ==========================================================================
   Dark mode — course details
   Hero banner + glass cards are light surfaces; keep original dark ink.
   ========================================================================== */

html[data-pyguru-theme="dark"] .course-detail-page .course-hero-title {
    color: #0f172a !important;
}

html[data-pyguru-theme="dark"] .course-detail-page .course-hero-chip {
    color: #475569 !important;
}

html[data-pyguru-theme="dark"] .course-detail-page .course-hero-eyebrow {
    color: var(--color-primary, #ff014f) !important;
}