/* Course details page. Loaded only by frontend/pages/course-details.blade.php. */

.cd-page {
    --cd-band: var(--tg-common-color-blue);
    --cd-on-band: #fff;
    --cd-on-band-muted: rgba(255, 255, 255, .8);
    --cd-text: #334155;
    --cd-text-muted: #64748b;
    --cd-border: #e2e8f0;
    --cd-radius: 12px;
    --cd-shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 8px 24px rgba(15, 23, 42, .08);
    --cd-sticky-top: 0px;
    background: var(--tg-common-color-white);
}

/* `.fix` sets overflow: hidden on <main>, which makes it the sidebar's scroll
   container and stops position: sticky. clip still clips, without that effect. */
.cd-body .main-area.fix {
    overflow: visible;
    overflow: clip;
}

.cd-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
        "hero"
        "side"
        "main";
}

/* Header band */
.cd-hero {
    grid-area: hero;
    padding-block: 24px;
    color: var(--cd-on-band);
    background: var(--cd-band);
    /* Bleeds the band to the viewport edges from inside the grid column. */
    box-shadow: 0 0 0 100vmax var(--cd-band);
    clip-path: inset(0 -100vmax);
}

.cd-crumbs ol {
    display: flex;
    flex-wrap: wrap;
    gap: 2px 8px;
    font-size: 13px;
    line-height: 1.5;
}

.cd-crumbs li {
    display: flex;
    gap: 8px;
    color: var(--cd-on-band-muted);
}

.cd-crumbs li + li::before {
    content: "/";
    opacity: .6;
}

.cd-crumbs a {
    color: inherit;
}

.cd-crumbs a:hover,
.cd-crumbs a:focus-visible {
    color: var(--cd-on-band);
    text-decoration: underline;
}

.cd-hero__title {
    margin-block: 10px 12px;
    font-size: clamp(1.5rem, 1.25rem + 1.1vw, 2rem);
    font-weight: 600;
    line-height: 1.25;
    color: var(--cd-on-band);
    overflow-wrap: anywhere;
    text-wrap: balance;
}

.cd-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 20px;
    font-size: 14px;
    line-height: 1.5;
    color: var(--cd-on-band-muted);
}

.cd-meta li {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.cd-meta a {
    color: var(--cd-on-band);
    font-weight: 500;
}

.cd-meta a:hover,
.cd-meta a:focus-visible {
    color: var(--cd-on-band);
    text-decoration: underline;
}

.cd-meta strong {
    color: var(--cd-on-band);
    font-weight: 600;
}

.cd-meta__avatar {
    inline-size: 26px;
    block-size: 26px;
    border-radius: 50%;
    object-fit: cover;
}

.cd-stars {
    display: inline-flex;
    gap: 2px;
    font-size: 12px;
    color: #fbbf24;
}

.cd-facts {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 16px;
    margin-block: 16px 0;
    padding-block-start: 16px;
    border-block-start: 1px solid rgba(255, 255, 255, .16);
}

.cd-fact {
    display: flex;
    align-items: center;
    gap: 10px;
    min-inline-size: 0;
}

.cd-fact > i {
    flex: none;
    font-size: 16px;
    color: var(--cd-on-band-muted);
}

.cd-fact dt {
    font-size: 12px;
    font-weight: 400;
    line-height: 1.35;
    color: var(--cd-on-band-muted);
}

.cd-fact dd {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.35;
    color: var(--cd-on-band);
}

/* Sidebar card */
.cd-sidebar {
    grid-area: side;
    min-inline-size: 0;
    margin-block-start: 20px;
}

.cd-card {
    background: var(--tg-common-color-white);
    border: 1px solid var(--cd-border);
    border-radius: var(--cd-radius);
    box-shadow: var(--cd-shadow);
    overflow: hidden;
}

.cd-preview {
    position: relative;
    aspect-ratio: 16 / 9;
    background: #0f172a;
}

.cd-preview img {
    display: block;
    inline-size: 100%;
    block-size: 100%;
    object-fit: cover;
}

.cd-preview__play {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    color: #0f172a;
    background: rgba(15, 23, 42, .25);
    transition: background-color .15s ease;
}

.cd-preview__play i {
    display: grid;
    place-items: center;
    inline-size: 56px;
    block-size: 56px;
    padding-inline-start: 3px;
    font-size: 18px;
    background: var(--tg-common-color-white);
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(15, 23, 42, .3);
}

.cd-preview__play:hover,
.cd-preview__play:focus-visible {
    color: #0f172a;
    background: rgba(15, 23, 42, .4);
}

.cd-card__body {
    display: grid;
    gap: 16px;
    padding: 20px;
}

.cd-price__label {
    display: block;
    font-size: 13px;
    line-height: 1.5;
    color: var(--cd-text-muted);
}

.cd-price__amount {
    margin: 0;
    font-size: 30px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--tg-heading-color);
}

.cd-price__amount del {
    margin-inline-start: 6px;
    font-size: 16px;
    font-weight: 400;
    color: var(--cd-text-muted);
}

.cd-actions {
    display: flex;
    gap: 8px;
}

.cd-card .cd-cta {
    display: inline-flex;
    flex: 1;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-block-size: 44px;
    padding: 10px 16px;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.3;
    color: var(--tg-common-color-white);
    text-transform: none;
    background: var(--tg-theme-primary);
    border: 1px solid transparent;
    border-radius: 8px;
    box-shadow: none;
    transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}

.cd-card .cd-cta:hover,
.cd-card .cd-cta:focus-visible {
    color: var(--tg-common-color-white);
    background: var(--cd-band);
    box-shadow: none;
    transform: none;
}

.cd-card .cd-cta--outline {
    color: var(--tg-heading-color);
    background: transparent;
    border-color: var(--cd-border);
}

.cd-card .cd-cta--outline:hover,
.cd-card .cd-cta--outline:focus-visible {
    color: var(--tg-theme-primary);
    background: transparent;
    border-color: var(--tg-theme-primary);
}

.cd-card .cd-cta i {
    line-height: 1;
}

.cd-wishlist {
    display: grid;
    flex: none;
    place-items: center;
    inline-size: 44px;
    block-size: 44px;
    font-size: 16px;
    color: var(--tg-theme-primary);
    border: 1px solid var(--cd-border);
    border-radius: 8px;
    transition: border-color .15s ease;
}

.cd-wishlist:hover,
.cd-wishlist:focus-visible {
    color: var(--tg-theme-primary);
    border-color: var(--tg-theme-primary);
}

.cd-share {
    padding-block-start: 16px;
    border-block-start: 1px solid var(--cd-border);
}

.cd-share__title {
    margin-block: 0 8px;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.5;
    color: var(--tg-heading-color);
}

/* Main column */
.cd-main {
    grid-area: main;
    min-inline-size: 0;
    padding-block: 24px 56px;
    font-size: 15px;
    line-height: 1.7;
    color: var(--cd-text);
}

.cd-main .courses__details-content .ui-nav-tabs {
    flex-wrap: nowrap;
    gap: 24px;
    margin-block-end: 20px;
    overflow-x: auto;
    scrollbar-width: none;
    box-shadow: inset 0 -1px 0 var(--cd-border);
}

.cd-main .courses__details-content .ui-nav-tabs .ui-nav-link,
.cd-main .courses__details-content .ui-nav-tabs .ui-nav-link:hover,
.cd-main .courses__details-content .ui-nav-tabs .ui-nav-link.active {
    padding: 10px 2px 12px;
    font-size: 15px;
    line-height: 1.4;
    white-space: nowrap;
    background: none;
    border-block-end: 2px solid transparent;
    border-radius: 0;
    box-shadow: none;
    transition: color .15s ease, border-color .15s ease;
}

.cd-main .courses__details-content .ui-nav-tabs .ui-nav-link {
    color: var(--cd-text-muted);
}

.cd-main .courses__details-content .ui-nav-tabs .ui-nav-link:hover {
    color: var(--tg-theme-primary);
}

.cd-main .courses__details-content .ui-nav-tabs .ui-nav-link.active {
    color: var(--tg-theme-primary);
    border-block-end-color: var(--tg-theme-primary);
}

.cd-main .courses__overview-wrap,
.cd-main .courses__curriculum-wrap,
.cd-main .courses__instructors-wrap,
.cd-main .courses__rating-wrap {
    padding: 20px;
    border: 1px solid var(--cd-border);
    border-radius: var(--cd-radius);
    box-shadow: none;
}

.cd-main .ui-tab-pane .title {
    font-size: 20px;
    line-height: 1.35;
}

@media (min-width: 576px) {
    .cd-facts {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (min-width: 768px) {
    .cd-main .courses__overview-wrap,
    .cd-main .courses__curriculum-wrap,
    .cd-main .courses__instructors-wrap,
    .cd-main .courses__rating-wrap {
        padding: 28px;
    }
}

/* Two columns. The sticky offset clears the fixed site header (120px below 1200px). */
@media (min-width: 992px) {
    .cd-page {
        --cd-sticky-top: 136px;
    }

    .cd-layout {
        grid-template-columns: minmax(0, 1fr) 340px;
        grid-template-rows: auto 1fr;
        grid-template-areas:
            "hero side"
            "main side";
        column-gap: 32px;
    }

    .cd-hero {
        padding-block: 28px;
    }

    .cd-sidebar {
        position: sticky;
        inset-block-start: var(--cd-sticky-top);
        z-index: 1;
        align-self: start;
        margin-block: 28px 72px;
    }

    .cd-card {
        max-block-size: calc(100vh - var(--cd-sticky-top) - 16px);
        overflow-y: auto;
    }

    .cd-main {
        padding-block: 28px 72px;
    }
}

/* The fixed site header is 80px tall from 1200px up. */
@media (min-width: 1200px) {
    .cd-page {
        --cd-sticky-top: 104px;
    }

    .cd-layout {
        grid-template-columns: minmax(0, 1fr) 380px;
        column-gap: 48px;
    }

    .cd-facts {
        grid-template-columns: repeat(6, minmax(0, 1fr));
    }
}

@media (prefers-reduced-motion: reduce) {
    .cd-preview__play,
    .cd-card .cd-cta,
    .cd-wishlist,
    .cd-main .courses__details-content .ui-nav-tabs .ui-nav-link {
        transition: none;
    }
}