/* =========================================================
   RSS Aggregator – Frontend Styles
   ========================================================= */

:root {
    --rssagg-primary:       #1a56db;
    --rssagg-primary-hover: #1e429f;
    --rssagg-border:        #e5e7eb;
    --rssagg-text:          #111827;
    --rssagg-text-muted:    #6b7280;
    --rssagg-bg:            #ffffff;
    --rssagg-bg-hover:      #f9fafb;
    --rssagg-radius:        8px;
    --rssagg-shadow:        0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
    --rssagg-shadow-hover:  0 4px 12px rgba(0,0,0,.12);
    --rssagg-gap:           1.25rem;
    --rssagg-thumb-ratio:   56.25%; /* 16:9 */
    --rssagg-font:          -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* ── Wrapper ─────────────────────────────────────────────── */
.rssagg-wrapper {
    font-family: var(--rssagg-font);
    color: var(--rssagg-text);
}

.rssagg-heading {
    margin: 0 0 1.25rem;
    font-size: 1.5rem;
    font-weight: 700;
}

/* ── Toolbar ─────────────────────────────────────────────── */
.rssagg-toolbar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .75rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--rssagg-border);
}

/* ── Date filter ─────────────────────────────────────────── */
.rssagg-date-filter {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .5rem;
    flex: 1 1 auto;
}

.rssagg-date-filter label {
    display: flex;
    align-items: center;
    gap: .35rem;
    font-size: .875rem;
    color: var(--rssagg-text-muted);
    white-space: nowrap;
}

.rssagg-date-filter input[type="date"] {
    padding: .3rem .5rem;
    border: 1px solid var(--rssagg-border);
    border-radius: 4px;
    font-size: .875rem;
}

/* ── View toggle ─────────────────────────────────────────── */
.rssagg-view-toggle {
    display: flex;
    border: 1px solid var(--rssagg-border);
    border-radius: var(--rssagg-radius);
    overflow: hidden;
    margin-left: auto;
    flex-shrink: 0;
}

.rssagg-toggle-btn {
    background: var(--rssagg-bg);
    border: none;
    cursor: pointer;
    padding: .45rem .65rem;
    color: var(--rssagg-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .15s, color .15s;
}

.rssagg-toggle-btn + .rssagg-toggle-btn {
    border-left: 1px solid var(--rssagg-border);
}

.rssagg-toggle-btn.is-active,
.rssagg-toggle-btn:hover {
    background: var(--rssagg-primary);
    color: #fff;
}

/* ── Filters panel ───────────────────────────────────────── */
.rssagg-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: flex-start;
    padding: 1rem 1.25rem;
    background: var(--rssagg-bg-hover);
    border: 1px solid var(--rssagg-border);
    border-radius: var(--rssagg-radius);
    margin-bottom: 1.5rem;
}

.rssagg-filter-group {
    flex: 1 1 200px;
}

.rssagg-filter-heading {
    margin: 0 0 .6rem;
    font-size: .8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--rssagg-text-muted);
}

.rssagg-filter-list {
    display: flex;
    flex-direction: column;
    gap: .35rem;
    max-height: 200px;
    overflow-y: auto;
}

.rssagg-filter-list label {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: .875rem;
    cursor: pointer;
}

.rssagg-filter-list input[type="checkbox"] {
    accent-color: var(--rssagg-primary);
    width: 15px;
    height: 15px;
    flex-shrink: 0;
}

.rssagg-filter-loading {
    font-size: .85rem;
    color: var(--rssagg-text-muted);
}

/* ── Buttons ─────────────────────────────────────────────── */
.rssagg-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: .45rem .9rem;
    border: 1px solid var(--rssagg-border);
    border-radius: 6px;
    background: var(--rssagg-bg);
    cursor: pointer;
    font-size: .875rem;
    font-family: var(--rssagg-font);
    color: var(--rssagg-text);
    transition: background .15s, border-color .15s, color .15s;
}

.rssagg-btn:hover {
    background: var(--rssagg-bg-hover);
    border-color: #9ca3af;
}

.rssagg-btn--load-more {
    background: var(--rssagg-primary);
    border-color: var(--rssagg-primary);
    color: #fff;
    padding: .6rem 1.6rem;
    font-size: 1rem;
    font-weight: 600;
}

.rssagg-btn--load-more:hover {
    background: var(--rssagg-primary-hover);
    border-color: var(--rssagg-primary-hover);
    color: #fff;
}

.rssagg-btn--load-more:disabled {
    opacity: .5;
    cursor: not-allowed;
}

.rssagg-btn--clear-filters {
    align-self: flex-end;
    margin-top: auto;
    font-size: .8rem;
}

/* ── Grid ────────────────────────────────────────────────── */
.rssagg-grid {
    display: grid;
    grid-template-columns: repeat( auto-fill, minmax( 280px, 1fr ) );
    gap: var(--rssagg-gap);
}

/* ── List view overrides ─────────────────────────────────── */
.rssagg-view-list .rssagg-grid {
    grid-template-columns: 1fr;
}

.rssagg-view-list .rssagg-card__link {
    flex-direction: row;
    align-items: center;
}

.rssagg-view-list .rssagg-card__thumb-wrap {
    flex-shrink: 0;
    width: 160px;
    padding-top: 0;
    height: 110px;
}

.rssagg-view-list .rssagg-card__thumb {
    position: static;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ── Card ────────────────────────────────────────────────── */
.rssagg-card {
    background: var(--rssagg-bg);
    border: 1px solid var(--rssagg-border);
    border-radius: var(--rssagg-radius);
    overflow: hidden;
    box-shadow: var(--rssagg-shadow);
    transition: box-shadow .2s, transform .2s;
}

.rssagg-card:hover {
    box-shadow: var(--rssagg-shadow-hover);
    transform: translateY(-2px);
}

.rssagg-card__link {
    display: flex;
    flex-direction: column;
    height: 100%;
    text-decoration: none;
    color: inherit;
}

/* ── Card thumbnail ──────────────────────────────────────── */
.rssagg-card__thumb-wrap {
    position: relative;
    width: 100%;
    padding-top: var(--rssagg-thumb-ratio);
    overflow: hidden;
    background: var(--rssagg-border);
}

.rssagg-card__thumb {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .3s;
}

.rssagg-card:hover .rssagg-card__thumb {
    transform: scale(1.03);
}

/* ── Card body ───────────────────────────────────────────── */
.rssagg-card__body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 1rem 1.1rem 1.1rem;
    gap: .4rem;
}

.rssagg-card__category {
    display: inline-block;
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--rssagg-primary);
}

.rssagg-card__title {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.4;
    color: var(--rssagg-text);
}

.rssagg-card:hover .rssagg-card__title {
    color: var(--rssagg-primary);
}

.rssagg-card__excerpt {
    margin: 0;
    font-size: .875rem;
    line-height: 1.55;
    color: var(--rssagg-text-muted);
    flex: 1;
    /* Clamp to 3 lines */
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ── Card meta ───────────────────────────────────────────── */
.rssagg-card__meta {
    display: flex;
    align-items: center;
    gap: .5rem;
    margin-top: .5rem;
    font-size: .78rem;
    color: var(--rssagg-text-muted);
    flex-wrap: wrap;
}

.rssagg-card__source {
    font-weight: 600;
    color: var(--rssagg-text-muted);
}

.rssagg-card__source::after {
    content: '·';
    margin-left: .5rem;
}

/* ── Pagination ──────────────────────────────────────────── */
.rssagg-pagination {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .75rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--rssagg-border);
}

.rssagg-count {
    font-size: .85rem;
    color: var(--rssagg-text-muted);
}

.rssagg-no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem 1rem;
    color: var(--rssagg-text-muted);
    font-size: 1rem;
}

/* ── Loading state ───────────────────────────────────────── */
.rssagg-card--skeleton {
    pointer-events: none;
}

.rssagg-card--skeleton .rssagg-card__thumb-wrap,
.rssagg-card--skeleton .rssagg-card__title,
.rssagg-card--skeleton .rssagg-card__excerpt,
.rssagg-card--skeleton .rssagg-card__meta {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: rssagg-shimmer 1.4s infinite;
    border-radius: 4px;
    color: transparent;
}

@keyframes rssagg-shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ── Responsive ──────────────────────────────────────────── */
@media ( max-width: 640px ) {
    .rssagg-grid {
        grid-template-columns: 1fr;
    }

    .rssagg-view-list .rssagg-card__link {
        flex-direction: column;
    }

    .rssagg-view-list .rssagg-card__thumb-wrap {
        width: 100%;
        height: auto;
        padding-top: var(--rssagg-thumb-ratio);
    }

    .rssagg-date-filter {
        flex-direction: column;
        align-items: flex-start;
    }
}