/* =====================================================
   FEED PAGE (community page type 15)
   Scoped by .feed-page. The feed cards keep their own styles from
   feed.css; this file adds the page states, the "show more" link
   and the carousel layout (.feed-page.carousel), whose track, arrows,
   fades and narrow-width rules are cloned from the speakers carousel.
   store/FEED_EVENT_INTEGRATION_PAGE
   ===================================================== */

.feed-page {
    width: 100%;
    padding: 1rem 0;
}

/* --- Vertical list: the card spacing main.feed gives the feed (feed.css) --- */
.feed-page-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* --- Placeholder / Loading / Unavailable / Empty / Error States --- */
.feed-page-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 3rem 1rem;
    text-align: center;
    color: var(--text-secondary);
}

.feed-page-placeholder i {
    font-size: 2.5rem;
    opacity: 0.5;
}

.feed-page-placeholder p {
    margin: 0;
    font-size: 1rem;
}

/* --- Loading Spinner --- */
.feed-page .loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--community-primary, #6A4A9E);
    border-radius: 50%;
    animation: feed-page-spin 0.8s linear infinite;
}

@keyframes feed-page-spin {
    to { transform: rotate(360deg); }
}

/* --- "Show more" link after the last card (vertical layout) --- */
.feed-page-more {
    display: flex;
    justify-content: center;
    padding: 2rem 1rem;
    margin-top: 1rem;
}

/* --- Carousel: wrapper (positioned container for the fades and arrows) --- */
.feed-page.carousel .feed-carousel-wrap {
    display: block;
    position: relative;
}

/* --- Carousel: gradient fade overlays --- */
.feed-page.carousel .feed-carousel-wrap.can-scroll-right::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 60px;
    height: calc(100% - 0.5rem);
    background: linear-gradient(to right, transparent, rgba(var(--surface-rgb), 0.95));
    pointer-events: none;
    z-index: 2;
    border-radius: 0 8px 8px 0;
}

.feed-page.carousel .feed-carousel-wrap.can-scroll-left::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 60px;
    height: calc(100% - 0.5rem);
    background: linear-gradient(to left, transparent, rgba(var(--surface-rgb), 0.95));
    pointer-events: none;
    z-index: 2;
    border-radius: 8px 0 0 8px;
}

/* --- Carousel: scroll arrow buttons, shown by feed-carousel.js while the track can scroll that way.
       A hidden arrow is also out of the tab order (visibility), which the speakers original is not. --- */
.feed-page.carousel .feed-carousel-scroll-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: calc(50% - 0.25rem);
    transform: translateY(-50%);
    z-index: 3;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    color: var(--text-secondary, #4B5563);
    font-size: 0.75rem;
    transition: all 0.2s ease;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.feed-page.carousel .feed-carousel-scroll-btn:hover {
    background: var(--community-primary, #6A4A9E);
    color: var(--primary-color-text);
    border-color: var(--community-primary, #6A4A9E);
    box-shadow: 0 4px 12px color-mix(in srgb, var(--primary-color) 30%, transparent);
    transform: translateY(-50%) scale(1.1);
}

.feed-page.carousel .feed-carousel-scroll-btn:focus-visible {
    outline: 2px solid var(--community-primary, #6A4A9E);
    outline-offset: 2px;
}

/* Inside the wrapper: .feed (feed.css) clips anything drawn outside the page column */
.feed-page.carousel .feed-carousel-scroll-prev {
    left: 0.25rem;
}

.feed-page.carousel .feed-carousel-scroll-next {
    right: 0.25rem;
}

.feed-page.carousel .feed-carousel-wrap.can-scroll-left .feed-carousel-scroll-prev {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.feed-page.carousel .feed-carousel-wrap.can-scroll-right .feed-carousel-scroll-next {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* --- Carousel: scrollable track --- */
.feed-page.carousel .feed-carousel-cards {
    display: flex;
    flex-wrap: nowrap;
    gap: 0.75rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
    scrollbar-color: var(--community-primary, #6A4A9E) transparent;
    padding-bottom: 0.5rem;
}

.feed-page.carousel .feed-carousel-cards::-webkit-scrollbar {
    height: 4px;
}

.feed-page.carousel .feed-carousel-cards::-webkit-scrollbar-track {
    background: transparent;
}

.feed-page.carousel .feed-carousel-cards::-webkit-scrollbar-thumb {
    background: var(--community-primary, #6A4A9E);
    border-radius: 2px;
}

/* --- Carousel: card, fixed width and scroll snap; surface, border and radius of the feed's .post (feed.css) --- */
.feed-page.carousel .feed-carousel-card {
    flex: 0 0 280px;
    min-width: 280px;
    scroll-snap-align: start;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--bg-white);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    color: var(--text-primary, #1f2937);
    text-decoration: none;
    transition: border-color 0.2s ease;
}

.feed-page.carousel .feed-carousel-card:hover {
    border-color: var(--community-primary, #6A4A9E);
}

/* Inset outline and no halo: the track's overflow clips anything drawn outside the card,
   including the global a:focus-visible shadow (community-accessibility.css) */
.feed-page.carousel .feed-carousel-card:focus-visible {
    outline: 2px solid var(--community-primary, #6A4A9E);
    outline-offset: -2px;
    box-shadow: none;
}

.feed-page.carousel .feed-carousel-card-media {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    aspect-ratio: 16 / 9;
    /* Without it the box grows to the image's own ratio instead of cropping it */
    overflow: hidden;
    background: color-mix(in srgb, var(--community-primary, #6A4A9E) 8%, var(--surface));
    color: var(--community-primary, #6A4A9E);
}

.feed-page.carousel .feed-carousel-card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.feed-page.carousel .feed-carousel-card-icon {
    font-size: 2.5rem;
    opacity: 0.6;
}

.feed-page.carousel .feed-carousel-card-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 0.5rem;
    padding: 1rem;
}

.feed-page.carousel .feed-carousel-card-type {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--text-secondary, #4B5563);
}

.feed-page.carousel .feed-carousel-card-title {
    margin: 0;
    font-family: "IBM Plex Sans Condensed", sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary, #1f2937);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.feed-page.carousel .feed-carousel-card-excerpt {
    margin: 0;
    font-size: 0.875rem;
    line-height: 1.4;
    color: var(--text-secondary, #4B5563);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.feed-page.carousel .feed-carousel-card-author {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 0;
    margin-top: auto;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
}

.feed-page.carousel .feed-carousel-card-meta {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.feed-page.carousel .feed-carousel-card-author-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary, #1f2937);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.feed-page.carousel .feed-carousel-card-time {
    font-size: 0.75rem;
    color: var(--text-secondary, #4B5563);
}

/* --- Carousel: "show more" card, the last item in the track --- */
.feed-page.carousel .feed-carousel-more-card {
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.5rem;
    font-weight: 600;
    text-align: center;
}

.feed-page.carousel .feed-carousel-more-card i {
    font-size: 1.75rem;
    color: var(--community-primary, #6A4A9E);
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
    .feed-page .loading-spinner {
        animation: none;
    }

    .feed-page.carousel .feed-carousel-scroll-btn,
    .feed-page.carousel .feed-carousel-card {
        transition: none;
    }
}

/* --- Carousel: tablet and narrower, peek pattern (cloned from speakers-mobile.css) --- */
@media (max-width: 900px) {
    /* Centre-snap so the active card is centred and the next one peeks */
    .feed-page.carousel .feed-carousel-card {
        scroll-snap-align: center;
    }

    /* No scrollbar for touch scrolling */
    .feed-page.carousel .feed-carousel-cards {
        scrollbar-width: none;
        padding-bottom: 0;
    }

    .feed-page.carousel .feed-carousel-cards::-webkit-scrollbar {
        display: none;
    }

    /* No arrows: touch swipe only */
    .feed-page.carousel .feed-carousel-scroll-btn {
        display: none;
    }

    /* No fades: the peek pattern replaces them */
    .feed-page.carousel .feed-carousel-wrap::before,
    .feed-page.carousel .feed-carousel-wrap::after {
        display: none;
    }

    .feed-page.carousel .feed-carousel-wrap {
        display: block;
        position: static;
    }
}

/* --- Mobile Responsive --- */
@media (max-width: 640px) {
    .feed-page {
        padding: 0.5rem 0;
    }
}