/* ═══════════════════════════════════════════════════════════════════
   communities-list.css  —  /communities index page
   Depends on: tokens.css, jertam.css, Bootstrap 5
   ═══════════════════════════════════════════════════════════════════ */

/* ── Page header ──────────────────────────────────────────────────── */
.jt-cl-header {
    padding: 2rem 0 1.25rem;
    border-bottom: 1px solid var(--jt-line, #e5e7eb);
    margin-bottom: 1.75rem;
}
.jt-cl-header__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--jt-text, #111827);
    margin: 0;
}
.jt-cl-header__sub {
    font-size: 0.875rem;
    color: var(--jt-muted, #6b7280);
    margin-top: 0.25rem;
}

/* ── Card grid ────────────────────────────────────────────────────── */
.jt-cl-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.25rem;
}

/* ── Community card ───────────────────────────────────────────────── */
.jt-cl-card {
    display: flex;
    flex-direction: column;
    background: var(--jt-surface, #fff);
    border: 1px solid var(--jt-line, #e5e7eb);
    border-radius: 0.75rem;
    overflow: hidden;
    position: relative;
    transition: box-shadow 0.18s ease, transform 0.18s ease;
}
.jt-cl-card:hover {
    box-shadow: 0 4px 18px rgba(0,0,0,0.10);
    transform: translateY(-2px);
}

/* Link that covers cover + body (not the join button) */
.jt-cl-card__link {
    display: flex;
    flex-direction: column;
    flex: 1;
    text-decoration: none;
    color: inherit;
}
.jt-cl-card__link:hover,
.jt-cl-card__link:focus-visible {
    text-decoration: none;
    color: inherit;
}
.jt-cl-card__link:focus-visible {
    outline: 2px solid var(--jt-orange, #f60);
    outline-offset: 2px;
    border-radius: 0.75rem;
}

/* Cover photo */
.jt-cl-card__cover {
    width: 100%;
    aspect-ratio: 16/9;
    background-color: var(--jt-paper, #f3f4f6);
    background-size: cover;
    background-position: center;
    position: relative;
}
.jt-cl-card__cover--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
}
.jt-cl-card__cover-letter {
    font-size: 2.5rem;
    font-weight: 700;
    color: rgba(255,255,255,0.8);
    text-transform: uppercase;
    line-height: 1;
}

/* Body */
.jt-cl-card__body {
    padding: 0.875rem 1rem 1rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}
.jt-cl-card__name {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--jt-text, #111827);
    line-height: 1.35;
    /* Truncate at 2 lines */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.jt-cl-card__meta {
    font-size: 0.8125rem;
    color: var(--jt-muted, #6b7280);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}
.jt-cl-card__meta-icon {
    opacity: 0.7;
}

/* ── Join / Leave button ─────────────────────────────────────────── */
.jt-cl-card__join {
    display: block;
    width: calc(100% - 2rem);
    margin: 0 1rem 0.875rem;
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
    font-weight: 500;
    border-radius: 6px;
    cursor: pointer;
    border: 1.5px solid var(--jt-orange, #F58220);
    color: var(--jt-orange, #F58220);
    background: transparent;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.jt-cl-card__join:hover:not(:disabled) {
    background: var(--jt-orange, #F58220);
    color: #fff;
}
.jt-cl-card__join.is-joined {
    border-color: var(--jt-muted, #6b7280);
    color: var(--jt-muted, #6b7280);
    background: transparent;
}
.jt-cl-card__join.is-joined:hover:not(:disabled) {
    background: var(--jt-paper, #f3f4f6);
}
.jt-cl-card__join:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

/* ── Sentinel / spinner ───────────────────────────────────────────── */
.jt-cl-sentinel {
    grid-column: 1 / -1;
    display: flex;
    justify-content: center;
    padding: 1.5rem 0 2rem;
    min-height: 56px;
}
.jt-cl-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem 1rem;
    color: var(--jt-muted, #6b7280);
}

/* ── Skeleton cards while loading ────────────────────────────────── */
.jt-cl-skeleton {
    border-radius: 0.75rem;
    overflow: hidden;
    border: 1px solid var(--jt-line, #e5e7eb);
    background: var(--jt-surface, #fff);
}
.jt-cl-skeleton__cover {
    width: 100%;
    aspect-ratio: 16/9;
    background: linear-gradient(90deg, var(--jt-paper, #f3f4f6) 25%, #e9ecef 50%, var(--jt-paper, #f3f4f6) 75%);
    background-size: 200% 100%;
    animation: jt-shimmer 1.5s infinite;
}
.jt-cl-skeleton__body {
    padding: 0.875rem 1rem 1rem;
}
.jt-cl-skeleton__line {
    height: 0.875rem;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--jt-paper, #f3f4f6) 25%, #e9ecef 50%, var(--jt-paper, #f3f4f6) 75%);
    background-size: 200% 100%;
    animation: jt-shimmer 1.5s infinite;
    margin-bottom: 0.5rem;
}
.jt-cl-skeleton__line--short { width: 55%; }

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

/* ── Responsive ───────────────────────────────────────────────────── */
@media (max-width: 575px) {
    .jt-cl-grid { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
    .jt-cl-card__cover-letter { font-size: 1.75rem; }
}
@media (max-width: 359px) {
    .jt-cl-grid { grid-template-columns: 1fr; }
}