/* =========================================================
   Learning Videos Pages – learning-videos.css
   Covers: Videos Index (/learning-videos) and Video Detail (/learning-videos/:slug)
   ========================================================= */

/* ---- Video Hero Stats ---- */
.vid-hero-stats {
    display: flex;
    gap: 28px;
    margin-top: 28px;
    flex-wrap: wrap;
}

.vid-hero-stat {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.vid-hero-stat strong {
    font-size: 1.6rem;
    font-family: 'Fraunces', serif;
    color: var(--accent);
    line-height: 1;
}

.vid-hero-stat span {
    font-size: 0.82rem;
    color: var(--muted);
    letter-spacing: 0.03em;
}

/* ---- Video Hero Aside ---- */
.vid-hero-aside {
    display: flex;
    align-items: center;
    justify-content: center;
}

.vid-hero-featured-card {
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(16, 35, 61, 0.08);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    max-width: 360px;
    width: 100%;
}

.vid-hero-featured-card .vid-hero-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(16, 35, 61, 0.7);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(6px);
}

.vid-hero-featured-card .vid-hero-featured-card__thumb {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--accent-soft), rgba(187, 122, 31, 0.06));
}

.vid-hero-featured-card .vid-hero-featured-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease;
}

.vid-hero-featured-card:hover .vid-hero-featured-card__thumb img {
    transform: scale(1.04);
}

.vid-hero-featured-card__meta {
    padding: 20px;
}

.vid-hero-featured-card__title {
    margin: 10px 0 10px;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.35;
}

.vid-hero-card-stats {
    display: flex;
    gap: 14px;
    font-size: 0.84rem;
    color: var(--muted);
}

/* ---- Level Badges ---- */
.vid-level-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 11px;
    border-radius: 999px;
    font-size: 0.76rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.vid-level-badge--beginner {
    background: rgba(29, 123, 99, 0.10);
    color: var(--success);
    border: 1px solid rgba(29, 123, 99, 0.18);
}

.vid-level-badge--intermediate {
    background: rgba(187, 122, 31, 0.10);
    color: var(--accent-strong);
    border: 1px solid rgba(187, 122, 31, 0.2);
}

.vid-level-badge--advanced {
    background: rgba(195, 90, 44, 0.10);
    color: #9f461e;
    border: 1px solid rgba(195, 90, 44, 0.2);
}

.vid-level-badge--xs {
    font-size: 0.7rem;
    padding: 3px 8px;
}

/* ---- Filters ---- */
.vid-filter-section {
    padding: 20px 0 0;
}

.vid-filter-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.vid-category-filter {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.vid-cat-btn {
    padding: 8px 18px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.72);
    color: var(--muted);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
    font-family: inherit;
}

.vid-cat-btn:hover {
    background: var(--accent-soft);
    color: var(--accent-strong);
    border-color: var(--accent);
}

.vid-cat-btn.is-active {
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #fff;
    border-color: transparent;
}

.vid-search {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 18px;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid var(--line);
    border-radius: 999px;
    min-width: 240px;
    max-width: 320px;
    flex: 0 1 auto;
}

.vid-search__icon {
    color: var(--muted);
    flex-shrink: 0;
}

.vid-search__input {
    border: none;
    background: transparent;
    font-size: 0.95rem;
    color: var(--text);
    width: 100%;
    outline: none;
    font-family: inherit;
}

.vid-search__input::placeholder {
    color: var(--muted);
}

.vid-results-count {
    font-size: 0.88rem;
    color: var(--muted);
    font-weight: 600;
}

/* ---- Featured Video ---- */
.vid-featured-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.vid-featured-card {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 0;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(16, 35, 61, 0.08);
    box-shadow: var(--shadow);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.vid-featured-link:hover .vid-featured-card {
    transform: translateY(-3px);
    box-shadow: 0 32px 72px rgba(16, 35, 61, 0.16);
}

.vid-featured-card__thumb {
    position: relative;
    min-height: 340px;
    overflow: hidden;
    background: #10233d;
}

.vid-featured-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.78;
    transition: transform 0.35s ease, opacity 0.2s ease;
    display: block;
}

.vid-featured-link:hover .vid-featured-card__thumb img {
    transform: scale(1.04);
    opacity: 0.85;
}

.vid-featured-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(8px);
    transition: background 0.2s ease, transform 0.2s ease;
}

.vid-featured-link:hover .vid-featured-play-btn {
    background: rgba(255, 255, 255, 0.28);
    transform: translate(-50%, -50%) scale(1.08);
}

.vid-featured-duration {
    position: absolute;
    bottom: 16px;
    right: 16px;
    padding: 4px 12px;
    background: rgba(16, 35, 61, 0.75);
    color: #fff;
    font-size: 0.82rem;
    font-weight: 700;
    border-radius: 8px;
    backdrop-filter: blur(6px);
}

.vid-featured-card__body {
    padding: 44px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 14px;
}

.vid-featured-card__badges {
    display: flex;
    gap: 8px;
    align-items: center;
}

.vid-featured-card__title {
    font-size: clamp(1.4rem, 2.2vw, 2rem);
    font-family: 'Fraunces', serif;
    line-height: 1.18;
    margin: 0;
    color: var(--text);
}

.vid-featured-card__excerpt {
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.65;
    margin: 0;
}

.vid-meta-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    align-items: center;
}

.vid-meta-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.86rem;
    color: var(--muted);
    font-weight: 500;
}

/* ---- Video Grid ---- */
.vid-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.vid-grid--4 {
    grid-template-columns: repeat(4, 1fr);
}

.vid-card {
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(16, 35, 61, 0.08);
    box-shadow: 0 4px 16px rgba(16, 35, 61, 0.07);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.vid-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 24px 52px rgba(16, 35, 61, 0.14);
}

.vid-card__thumb-link {
    display: block;
}

.vid-card__thumb {
    position: relative;
    height: 190px;
    overflow: hidden;
    background: #10233d;
}

.vid-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.78;
    transition: transform 0.35s ease, opacity 0.2s ease;
}

.vid-card:hover .vid-card__thumb img {
    transform: scale(1.04);
    opacity: 0.9;
}

.vid-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(16, 35, 61, 0.5), transparent 55%);
}

.vid-card__play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.18);
    border: 2px solid rgba(255, 255, 255, 0.45);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease, transform 0.2s ease;
    backdrop-filter: blur(6px);
}

.vid-card:hover .vid-card__play-btn {
    background: rgba(255, 255, 255, 0.32);
    transform: translate(-50%, -50%) scale(1.1);
}

.vid-card__duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    padding: 3px 10px;
    background: rgba(16, 35, 61, 0.72);
    color: #fff;
    font-size: 0.78rem;
    font-weight: 700;
    border-radius: 6px;
    backdrop-filter: blur(4px);
}

.vid-card__body {
    padding: 20px 22px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.vid-card__badges {
    display: flex;
    gap: 6px;
    align-items: center;
}

.vid-card__title {
    margin: 0;
    font-size: 1rem;
    font-family: 'Fraunces', serif;
    line-height: 1.3;
}

.vid-card__title a {
    color: var(--text);
    text-decoration: none;
    transition: color 0.18s ease;
}

.vid-card__title a:hover {
    color: var(--accent-strong);
}

.vid-card__excerpt {
    margin: 0;
    font-size: 0.88rem;
    color: var(--muted);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.vid-card-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    color: var(--muted);
}

.vid-card__cta {
    font-size: 0.88rem;
    font-weight: 700;
    margin-top: auto;
}

.vid-see-all-row {
    display: flex;
    justify-content: center;
    margin-top: 36px;
}

/* ============================================================
   Learning Video Detail
   ============================================================ */

.vid-detail-section {
    padding-top: 20px;
}

.vid-detail-shell {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 36px;
    align-items: start;
}

.vid-detail-main {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

/* ---- Video Player ---- */
.vid-player-wrap {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow);
    background: #10233d;
}

.vid-player {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 */
}

.vid-player iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.vid-player__placeholder {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.vid-player__placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.5;
}

.vid-player__placeholder-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: #fff;
}

.vid-player__placeholder-overlay p {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}

/* ---- Video Info ---- */
.vid-detail-info {
    padding: 28px;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
}

.vid-detail-badges {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.vid-detail-title {
    font-size: clamp(1.5rem, 2.8vw, 2.2rem);
    font-family: 'Fraunces', serif;
    line-height: 1.15;
    margin: 0 0 16px;
    color: var(--text);
    letter-spacing: -0.02em;
}

.vid-detail-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--line);
    margin-bottom: 16px;
}

.vid-share-row {
    margin-left: auto;
}

.vid-detail-description {
    margin: 0;
    font-size: 1rem;
    color: var(--muted);
    line-height: 1.7;
}

/* ---- Key Takeaways ---- */
.vid-takeaways {
    padding: 28px;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
}

.vid-takeaways__heading {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.15rem;
    font-family: 'Fraunces', serif;
    margin: 0 0 18px;
    color: var(--text);
}

.vid-takeaways__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.vid-takeaways__item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.96rem;
    line-height: 1.6;
    color: var(--text);
}

.vid-takeaways__check {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--success), #15614f);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 900;
    flex-shrink: 0;
    margin-top: 1px;
}

/* ---- Transcript ---- */
.vid-transcript {
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.vid-transcript__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--line);
}

.vid-transcript__heading {
    font-size: 1.05rem;
    font-family: 'Fraunces', serif;
    margin: 0;
    color: var(--text);
}

.vid-transcript__toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    background: none;
    border: none;
    font-size: 0.88rem;
    color: var(--accent-strong);
    font-weight: 700;
    cursor: pointer;
    font-family: inherit;
    padding: 0;
    transition: color 0.18s ease;
}

.vid-transcript__toggle:hover {
    color: var(--accent);
}

.vid-transcript__chevron {
    transition: transform 0.2s ease;
}

.vid-transcript__body {
    padding: 24px;
}

.vid-transcript__content {
    font-size: 0.95rem;
    color: var(--muted);
    line-height: 1.75;
}

/* ---- Sidebar ---- */
.vid-detail-sidebar {
    position: sticky;
    top: 100px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.vid-sidebar-heading {
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--muted);
    margin: 0 0 14px;
}

.vid-sidebar-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.vid-sidebar-item {
    display: flex;
    gap: 12px;
    padding: 14px 16px;
    text-decoration: none;
    color: inherit;
    border-bottom: 1px solid var(--line);
    transition: background 0.18s ease;
    align-items: flex-start;
}

.vid-sidebar-item:last-child {
    border-bottom: none;
}

.vid-sidebar-item:hover {
    background: var(--accent-soft);
}

.vid-sidebar-item__thumb {
    position: relative;
    width: 90px;
    height: 60px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
    background: #10233d;
}

.vid-sidebar-item__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.82;
}

.vid-sidebar-item__duration {
    position: absolute;
    bottom: 4px;
    right: 4px;
    padding: 2px 6px;
    background: rgba(16, 35, 61, 0.72);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: 5px;
}

.vid-sidebar-item__body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.vid-sidebar-item__title {
    margin: 0;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text);
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.vid-sidebar-item__meta {
    font-size: 0.78rem;
    color: var(--muted);
}

/* ---- Sidebar CTA ---- */
.vid-sidebar-cta {
    padding: 24px;
    background: linear-gradient(145deg, var(--deep), #1a416d);
    border-radius: var(--radius-lg);
    color: rgba(255, 255, 255, 0.92);
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

.vid-sidebar-cta__icon {
    font-size: 2rem;
}

.vid-sidebar-cta h4 {
    margin: 0;
    font-family: 'Fraunces', serif;
    font-size: 1.1rem;
    color: #fff;
}

.vid-sidebar-cta p {
    margin: 0;
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.72);
    line-height: 1.55;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1100px) {
    .vid-grid--4 {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .vid-featured-card {
        grid-template-columns: 1fr;
    }

    .vid-featured-card__thumb {
        min-height: 240px;
    }

    .vid-featured-card__body {
        padding: 28px 24px;
    }

    .vid-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .vid-grid--4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .vid-detail-shell {
        grid-template-columns: 1fr;
    }

    .vid-detail-sidebar {
        position: static;
        order: -1;
    }

    .vid-sidebar-list {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }

    .vid-sidebar-item {
        border-bottom: 1px solid var(--line);
    }
}

@media (max-width: 600px) {
    .vid-grid,
    .vid-grid--4 {
        grid-template-columns: 1fr;
    }

    .vid-filter-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .vid-search {
        width: 100%;
        max-width: 100%;
    }

    .vid-hero-aside {
        display: none;
    }

    .vid-sidebar-list {
        grid-template-columns: 1fr;
    }

    .vid-detail-meta {
        flex-wrap: wrap;
    }

    .vid-share-row {
        margin-left: 0;
        margin-top: 8px;
    }
}