/* ============================================================
   OJS-UK Theme — Journal archive (v2 ARCHIVE board)
   Serif title + subtitle, collapsible volume groups, one panel
   of covers per volume with red "View issue →" links.
   ============================================================ */

.issue-list-container {
    padding-top: 26px;
    padding-bottom: 44px;
}

.archives-title {
    font-family: var(--uk-serif);
    font-weight: 400;
    font-size: 34px;
    color: var(--uk-ink);
    margin: 0 0 6px;
}

.archives-subtitle {
    font-family: var(--uk-sans);
    font-size: 14px;
    color: var(--uk-text-muted);
    margin: 0 0 22px;
}

.no-issues-message {
    border-top: 1px solid var(--uk-border);
    padding: 24px 0;
    font-family: var(--uk-sans);
    color: var(--uk-text-muted);
}

/* ---------- Collapsible volume groups ---------- */
/* Volume groups sit on the page background, hairline rows only (v2) */
.archive-panel {
    background: transparent;
}

details.volume-section {
    border-bottom: 1px solid var(--uk-border);
}

details.volume-section:first-of-type {
    border-top: 1px solid var(--uk-border);
}

.volume-title {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    font-family: var(--uk-serif);
    font-weight: 400;
    font-size: 20px;
    color: var(--uk-ink);
    padding: 15px 4px;
    cursor: pointer;
    user-select: none;
}

.volume-title::-webkit-details-marker {
    display: none;
}

.volume-title:hover {
    color: var(--uk-red);
}

.volume-chevron {
    color: #a8b1bd;
    font-size: 18px;
    transition: transform 0.15s ease;
}

details.volume-section[open] > .volume-title .volume-chevron {
    transform: rotate(180deg);
}

.volume-panel {
    margin: 0 0 22px;
    padding: 14px 0 6px;
}

/* ---------- Issue cells ---------- */
/* Equal-width columns via grid gap only. Per-card padding/border was
   asymmetric (first-in-row had less padding), which made covers
   different widths → different heights. */
.issues-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 26px 28px;
}

.issue-card {
    padding: 0;
    border-left: none;
}

.issue-link {
    display: block;
}

.issue-cover {
    background: var(--uk-navy);
    margin-bottom: 14px;
    overflow: hidden;
    aspect-ratio: 3 / 4;
}

.issue-cover img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.issue-cover-placeholder {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding: 18px 16px;
    background: linear-gradient(160deg, #10405c 0%, #0a2e46 60%, #072338 100%);
}

.issue-cover-placeholder .placeholder-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.issue-cover-placeholder span {
    font-family: var(--uk-serif);
    font-size: 16px;
    line-height: 1.4;
    color: #fff;
}

.issue-info .issue-volume-number {
    font-family: var(--uk-serif);
    font-size: 16.5px;
    line-height: 1.35;
    color: var(--uk-ink);
    margin: 0 0 3px;
}

.issue-info .issue-date {
    font-family: var(--uk-sans);
    font-size: 12.5px;
    color: var(--uk-text-muted);
    margin: 0 0 10px;
}

.issue-view-link {
    font-family: var(--uk-sans);
    font-size: 13px;
    font-weight: 500;
    color: var(--uk-red);
}

.issue-view-link b {
    font-weight: 400;
    margin-left: 4px;
}

.issue-link:hover .issue-view-link {
    color: var(--uk-red-dark);
    text-decoration: underline;
}

.issue-link:hover .issue-volume-number {
    color: var(--uk-red);
}

/* ---------- Responsive ---------- */
@media (max-width: 1199px) {
    .issues-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 767px) {
    .issues-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .archives-title {
        font-size: 27px;
    }
}

@media (max-width: 480px) {
    /* Keep two covers per row on phones — a single full-width cover
       is too tall */
    .issues-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 24px 18px;
    }

    .issue-info .issue-volume-number {
        font-size: 14.5px;
    }

    .archives-title {
        font-size: 26px;
    }
}