/* ==========================================================================
   Free Class / Free Video module
   ========================================================================== */

.fc-hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: #fff;
    padding: 2.5rem 0 2rem;
    position: relative;
    overflow: hidden;
}

.fc-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 85% 20%, rgba(255, 255, 255, 0.14), transparent 55%);
    pointer-events: none;
}

.fc-hero > .container {
    position: relative;
}

.fc-hero--list {
    padding: 1.75rem 0;
}

.fc-hero-title {
    font-weight: 800;
    font-size: 1.7rem;
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.fc-hero-subtitle {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0;
}

@media (min-width: 992px) {
    .fc-hero {
        padding: 3.5rem 0 2.5rem;
    }

    .fc-hero-title {
        font-size: 2.15rem;
    }
}

.fc-hero--list .breadcrumb-item a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

.fc-hero--list .breadcrumb-item a:hover {
    color: #fff;
}

.fc-hero--list .breadcrumb-item + .breadcrumb-item::before {
    color: rgba(255, 255, 255, 0.45);
}

.fc-list-badge {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #fff;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.32rem 0.9rem;
    border-radius: 50rem;
    backdrop-filter: blur(2px);
}

/* ==========================================================================
   Class picker — pill/grid filter bar
   ========================================================================== */
.fc-class-picker-section {
    background: transparent;
    border-bottom: none !important;
    padding: 1.5rem 0 0.5rem;
    position: static;
    box-shadow: none;
}

.fc-class-pills {
    display: flex;
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    gap: 0.5rem;
    margin-top: 0;
    padding-bottom: 4px;
    padding-top: 2px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    scroll-behavior: smooth;
}
.fc-class-pills::-webkit-scrollbar {
    display: none;
}

.fc-class-pill,
.fc-class-pills a {
    flex-shrink: 0 !important;
    border: 1px solid var(--auth-border);
    background: var(--surface-card);
    color: var(--auth-text-dark);
    font-weight: 700;
    font-size: 0.88rem;
    padding: 0.48rem 1.2rem;
    border-radius: 50rem;
    white-space: nowrap !important;
    text-decoration: none !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    cursor: pointer;
}

.fc-class-pill:hover,
.fc-class-pills a:hover,
.fc-class-pill:focus,
.fc-class-pills a:focus {
    border-color: var(--brand-primary);
    color: var(--brand-primary);
    text-decoration: none !important;
}

.fc-class-pill.active,
.fc-class-pills a.active {
    background: var(--brand-primary) !important;
    border-color: var(--brand-primary) !important;
    color: #fff !important;
    box-shadow: 0 4px 10px -2px rgba(37, 99, 235, 0.35) !important;
    text-decoration: none !important;
}

.fc-results-section {
    padding: 1.85rem 0 3.5rem;
}

/* ==========================================================================
   Subject quicknav
   ========================================================================== */
.free-class-subject-nav {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.75rem;
    margin-bottom: 1.75rem;
    border-bottom: none !important;
}

.free-class-subject-nav a {
    flex-shrink: 0;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--auth-text-dark);
    background: transparent;
    padding: 0.45rem 1.05rem;
    border-radius: 50rem;
    border: 1px solid var(--auth-border);
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.free-class-subject-nav a:hover,
.free-class-subject-nav a.active {
    background: var(--brand-primary);
    border-color: var(--brand-primary);
    color: #fff;
}

/* ==========================================================================
   Subject-grouped carousel sections
   ========================================================================== */
.free-class-subject-group {
    background: rgba(255, 255, 255, 0.45);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(226, 232, 240, 0.6);
    border-radius: 1.25rem;
    padding: 1.5rem 1.5rem 1.75rem;
    box-shadow: 0 8px 25px -8px rgba(0, 0, 0, 0.02);
    margin-bottom: 2rem;
    transition: all 0.3s ease;
    scroll-margin-top: 140px;
}

@media (max-width: 767.98px) {
    .free-class-subject-group {
        padding: 1.15rem 1rem 1.35rem;
        border-radius: 1rem;
        margin-bottom: 1.5rem;
    }
}

.free-class-subject-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding-bottom: 0.85rem;
    margin-bottom: 1.25rem;
    border-bottom: 1px solid rgba(226, 232, 240, 0.45) !important;
}

.free-class-subject-title {
    font-size: 1.12rem;
    font-weight: 800;
    color: var(--auth-text-dark);
    margin-bottom: 0;
}

.free-class-subject-title::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--brand-primary);
    margin-right: 0.55rem;
    vertical-align: middle;
}

.free-class-subject-count {
    display: block;
    font-size: 0.78rem;
    font-weight: 700;
    color: #94a3b8;
    margin-top: 0.2rem;
}

.fc-view-more-link {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--auth-border);
    color: var(--brand-primary);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 0.4rem 0.95rem;
    border-radius: 50rem;
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.fc-view-more-link:hover {
    background: var(--brand-primary);
    border-color: var(--brand-primary);
    color: #fff;
}

/* Owl Carousel — each card keeps using the shared .free-class-card partial
   markup directly as a slide, no grid-column wrapper. */
.free-class-carousel .free-class-card {
    height: 100%;
}

.free-class-carousel .owl-stage-outer {
    /* Give the hover lift/shadow on .free-class-card room without being
       clipped by Owl's own overflow:hidden stage wrapper. */
    padding: 6px 4px 22px;
    margin: -6px -4px -22px;
}

.free-class-carousel .owl-nav button.owl-prev,
.free-class-carousel .owl-nav button.owl-next {
    position: absolute;
    top: 38%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex !important;
    align-items: center;
    justify-content: center;
    background: var(--surface-card) !important;
    color: var(--brand-primary) !important;
    border: 1px solid var(--auth-border);
    box-shadow: 0 6px 16px -4px rgba(15, 23, 42, 0.18);
    font-size: 1rem;
    transition: all 0.2s ease;
}

.free-class-carousel .owl-nav button.owl-prev:hover,
.free-class-carousel .owl-nav button.owl-next:hover {
    background: var(--brand-primary) !important;
    color: #fff !important;
    border-color: var(--brand-primary);
}

.free-class-carousel .owl-nav button.owl-prev { left: -14px; }
.free-class-carousel .owl-nav button.owl-next { right: -14px; }

.free-class-carousel .owl-nav button.disabled {
    display: none !important;
}

@media (min-width: 992px) {
    .free-class-carousel .owl-nav button.owl-prev { left: -20px; }
    .free-class-carousel .owl-nav button.owl-next { right: -20px; }
}

/* ==========================================================================
   Video card — reused in the carousel and the Class+Subject grid listing
   ========================================================================== */
.free-class-card {
    display: flex;
    flex-direction: column;
    background: var(--surface-card);
    border: 1px solid var(--auth-border);
    border-radius: 1.1rem;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    height: 100%;
    transition: all 0.25s ease;
}

.free-class-card:hover {
    box-shadow: 0 16px 32px -12px rgba(37, 99, 235, 0.22);
    transform: translateY(-4px);
    border-color: rgba(37, 99, 235, 0.25);
    color: inherit;
}

.free-class-card-thumb {
    position: relative;
    display: block;
    aspect-ratio: 16 / 9;
    background: #0f172a;
    overflow: hidden;
}

.free-class-card-thumb::after {
    /* Bottom gradient so the duration badge stays legible over any thumbnail */
    content: '';
    position: absolute;
    inset: auto 0 0 0;
    height: 45%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.55), transparent);
    pointer-events: none;
}

.free-class-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease;
}

.free-class-card:hover .free-class-card-thumb img {
    transform: scale(1.06);
}

.free-class-card-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: #fff;
    font-size: 1.7rem;
    opacity: 0.35;
}

/* Clearly-visible play button — always shown (not hover-only), lifts and
   switches to brand color on hover for a tactile "press play" feel. */
.free-class-card-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.92);
    color: var(--brand-primary);
    border-radius: 50%;
    font-size: 1rem;
    box-shadow: 0 6px 18px -4px rgba(15, 23, 42, 0.45);
    transition: all 0.25s ease;
    z-index: 2;
}

.free-class-card-play i {
    margin-left: 2px; /* optically center the play glyph */
}

.free-class-card:hover .free-class-card-play {
    background: var(--brand-primary);
    color: #fff;
    transform: translate(-50%, -50%) scale(1.12);
}

.free-class-card-duration {
    position: absolute;
    right: 0.5rem;
    bottom: 0.5rem;
    display: inline-flex;
    align-items: center;
    background: rgba(15, 23, 42, 0.78);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.2rem 0.5rem;
    border-radius: 0.35rem;
    z-index: 2;
}

.free-class-card-body {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    padding: 0.85rem 0.95rem 1rem;
    flex-grow: 1;
}

.free-class-card-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    margin-bottom: 0.15rem;
}

.free-class-card-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    background: #eff6ff;
    color: var(--brand-primary);
    font-size: 0.68rem;
    font-weight: 700;
    padding: 0.16rem 0.55rem;
    border-radius: 50rem;
}

.free-class-card-chip--muted {
    background: transparent;
    color: var(--auth-text-dark);
}

.free-class-card-title {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--auth-text-dark);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
    min-height: 2.45em;
}

.free-class-card-teacher {
    font-size: 0.76rem;
    color: #64748b;
    margin-top: auto;
    padding-top: 0.25rem;
}

/* ==========================================================================
   Listing page toolbar (result count + sort)
   ========================================================================== */
.fc-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.fc-result-count {
    font-size: 0.88rem;
    color: var(--color-text-muted, #64748b);
}

.fc-sort-box {
    display: flex;
    align-items: center;
}

@media (max-width: 767.98px) {
    .fc-results-section {
        padding: 1rem 0 2.5rem;
    }

    .free-class-card-body {
        padding: 0.75rem 0.8rem 0.85rem;
        gap: 0.25rem;
    }

    .free-class-card-title {
        font-size: 0.84rem;
        line-height: 1.35;
        min-height: 2.35em;
    }

    .free-class-card-play {
        width: 38px;
        height: 38px;
        font-size: 0.85rem;
    }

    .free-class-card-chip {
        font-size: 0.64rem;
        padding: 0.12rem 0.45rem;
    }
}

/* ==========================================================================
   Shimmer / skeleton loading state (Free Class AJAX filtering)
   Structural classes only — the shimmer sweep animation itself
   (.skeleton-shimmer) is shared from courses.css, already loaded on both
   Free Class pages.
   ========================================================================== */
.fc-skeleton-group {
    margin-bottom: 2.5rem;
}

.fc-skeleton-group-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.fc-skeleton-title-bar {
    width: 160px;
    height: 20px;
    border-radius: 0.4rem;
}

.fc-skeleton-link-bar {
    width: 90px;
    height: 28px;
    border-radius: 50rem;
}

.fc-skeleton-row {
    display: flex;
    gap: 1rem;
    overflow: hidden;
}

.fc-skeleton-row .fc-skeleton-card--carousel {
    flex: 0 0 auto;
    width: 240px;
}

@media (max-width: 575.98px) {
    .fc-skeleton-row .fc-skeleton-card--carousel {
        width: 190px;
    }
}

.fc-skeleton-card {
    background: var(--surface-card);
    border: 1px solid var(--dark-border, var(--auth-border));
    border-radius: 1.1rem;
    overflow: hidden;
    height: 100%;
}

.fc-skeleton-thumb {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
}

.fc-skeleton-body {
    padding: 0.85rem 0.95rem 1rem;
}

.fc-skeleton-chip {
    display: block;
    width: 70px;
    height: 16px;
    border-radius: 50rem;
    margin-bottom: 0.6rem;
}

.fc-skeleton-line {
    display: block;
    height: 13px;
    border-radius: 0.3rem;
    margin-bottom: 0.45rem;
}

.fc-skeleton-line--title { width: 92%; }
.fc-skeleton-line--title-short { width: 60%; margin-bottom: 0; }

.fc-skeleton-wrap.d-none {
    display: none !important;
}

@media (max-width: 767.98px) {
    .fc-class-picker-section {
        top: 55px;
    }
}

/* ══════════════════════════════════════════════════════════
   DARK MODE OVERRIDES
══════════════════════════════════════════════════════════ */
.fc-class-picker-section {
    background: var(--dark-card);
    border-bottom-color: var(--dark-border);
}
.fc-class-pill {
    background: var(--dark-card-2);
    border-color: var(--dark-border);
    color: var(--dark-text);
}
.fc-class-pill.active {
    background: var(--brand-primary);
    border-color: var(--brand-primary);
    color: #fff;
}
.free-class-subject-nav { border-bottom-color: var(--dark-border); }
.free-class-subject-nav a {
    background: var(--dark-card-2);
    color: var(--dark-text);
}
.free-class-subject-nav a:hover {
    background: rgba(37,99,235,0.15);
    color: var(--brand-primary);
}
.free-class-subject-head { border-bottom-color: var(--dark-border); }
.free-class-subject-title { color: var(--dark-text); }
.free-class-subject-count { color: var(--dark-text-muted); }

/* Free class carousel arrows */
.free-class-carousel .owl-nav button.owl-prev,
.free-class-carousel .owl-nav button.owl-next {
    background: var(--dark-card-2) !important;
    border-color: var(--dark-border) !important;
    color: var(--dark-text) !important;
    box-shadow: 0 4px 14px rgba(0,0,0,0.4) !important;
}
.free-class-carousel .owl-nav button.owl-prev:hover,
.free-class-carousel .owl-nav button.owl-next:hover {
    background: var(--brand-primary) !important;
    border-color: var(--brand-primary) !important;
    color: #fff !important;
    box-shadow: 0 4px 18px var(--dark-glow-primary) !important;
}

/* Free class card */
.free-class-card {
    background: var(--dark-card);
    border-color: var(--dark-border);
    color: var(--dark-text);
}
.free-class-card:hover {
    box-shadow: 0 16px 40px rgba(0,0,0,0.5), 0 0 0 1px rgba(37,99,235,0.2), 0 0 24px var(--dark-glow-primary);
    border-color: rgba(37,99,235,0.3);
    color: var(--dark-text);
}
.free-class-card-chip { background: rgba(37,99,235,0.15); color: var(--brand-primary); }
.free-class-card-chip--muted { background: var(--dark-card-2); color: var(--dark-text-muted); }
.free-class-card-title { color: var(--dark-text); }
.free-class-card-teacher { color: var(--dark-text-muted); }

/* Skeleton cards */
.fc-skeleton-card {
    background: var(--dark-card);
    border-color: var(--dark-border);
}

/* ── Properly scoped dark overrides ── */
[data-theme="dark"] .fc-hero { background: transparent !important; }
[data-theme="dark"] .fc-filter-bar,
[data-theme="dark"] .free-class-filter-bar {
    background: transparent !important;
    border-bottom: none !important;
    box-shadow: none !important;
}
[data-theme="dark"] .fc-class-pill {
    background: var(--surface-card) !important;
    border-color: var(--color-border) !important;
    color: var(--color-text-muted) !important;
}
[data-theme="dark"] .fc-class-pill.active,
[data-theme="dark"] .fc-class-pill:hover {
    background: var(--brand-primary) !important;
    border-color: var(--brand-primary) !important;
    color: #fff !important;
}
[data-theme="dark"] .free-class-subject-nav { border-bottom: none !important; }
[data-theme="dark"] .free-class-subject-nav a {
    background: var(--surface-card) !important;
    color: var(--color-text-main) !important;
    border-color: var(--color-border) !important;
}
[data-theme="dark"] .free-class-subject-group {
    background: rgba(17, 24, 39, 0.35) !important;
    backdrop-filter: blur(5px) !important;
    -webkit-backdrop-filter: blur(5px) !important;
    border: 1px solid rgba(255, 255, 255, 0.07) !important;
    box-shadow: 0 8px 25px -8px rgba(0, 0, 0, 0.25) !important;
}
[data-theme="dark"] .free-class-subject-head  { border-bottom: 1px solid rgba(255, 255, 255, 0.06) !important; }
[data-theme="dark"] .free-class-subject-title { color: var(--color-text-main) !important; }
[data-theme="dark"] .free-class-subject-count { color: var(--color-text-muted) !important; }
[data-theme="dark"] .fc-view-more-link {
    background: var(--surface-card) !important;
    border-color: var(--color-border) !important;
    color: #ffffff !important;
}
[data-theme="dark"] .fc-view-more-link:hover {
    background: var(--brand-primary) !important;
    border-color: var(--brand-primary) !important;
    color: #ffffff !important;
}
[data-theme="dark"] .free-class-card {
    background: var(--surface-card) !important;
    border-color: var(--color-border) !important;
    color: var(--color-text-main) !important;
}
[data-theme="dark"] .free-class-card:hover   { border-color: rgba(37,99,235,0.35) !important; }
[data-theme="dark"] .free-class-card-title   { color: var(--color-text-main) !important; }
[data-theme="dark"] .free-class-card-teacher { color: var(--color-text-muted) !important; }
[data-theme="dark"] .free-class-card-chip       { background: rgba(37,99,235,0.15) !important; color: var(--brand-primary) !important; }
[data-theme="dark"] .free-class-card-chip--muted { background: rgba(255,255,255,0.08) !important; color: var(--color-text-muted) !important; }
[data-theme="dark"] .free-class-carousel .owl-nav button.owl-prev,
[data-theme="dark"] .free-class-carousel .owl-nav button.owl-next {
    background: var(--surface-card) !important;
    border-color: var(--color-border) !important;
    color: var(--color-text-main) !important;
}
[data-theme="dark"] .fc-skeleton-card {
    background: var(--surface-card) !important;
    border-color: var(--color-border) !important;
}