/* ============================================================================
   PUBLICATIONS PAGE — corporate & modern
   Loaded only on the /publications route via @push('styles') in
   resources/views/public/publications/index.blade.php. Reuses sescom.css
   design tokens (`--green`, `--amber`, `--charcoal`, `--line`, etc.) for
   consistency with the rest of the public site.
   ============================================================================ */

/* ── Search + filter card (overlaps the hero edge) ────────────────────── */
.publications-search {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 1.5rem 1.4rem;
    box-shadow: var(--shadow-md);
    margin-top: -2.5rem;          /* lift onto the hero edge */
    position: relative;
    z-index: 5;
}

.publications-search-form {
    display: flex;
    gap: 0.6rem;
    align-items: stretch;
}

.publications-search-form .form-control {
    border: 1.5px solid var(--line);
    border-radius: var(--radius);
    padding: 0.7rem 1.1rem;
    font-size: 0.95rem;
    transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.publications-search-form .form-control:focus {
    border-color: var(--green);
    box-shadow: 0 0 0 0.2rem rgba(26, 122, 60, 0.14);
    outline: none;
}

.publications-search-form .btn-search {
    background: var(--green);
    color: var(--white);
    border: 0;
    border-radius: var(--radius);
    padding: 0.7rem 1.4rem;
    font-family: var(--font-head);
    font-weight: 600;
    transition: background 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.publications-search-form .btn-search:hover {
    background: var(--green-dark);
    transform: translateY(-1px);
    box-shadow: 0 6px 14px rgba(26, 122, 60, 0.25);
}

.publications-search-form .btn-clear {
    background: var(--off-white);
    color: var(--slate);
    border: 1.5px solid var(--line);
    border-radius: var(--radius);
    padding: 0.7rem 1rem;
    transition: border-color 0.18s ease, color 0.18s ease;
}

.publications-search-form .btn-clear:hover {
    border-color: var(--green);
    color: var(--green);
}

/* ── Type filter pills (route-driven anchor links) ───────────────────── */
.publications-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.55rem;
    margin: 2rem 0 1rem;
}

.publications-filter {
    border: 1.5px solid var(--line);
    background: var(--white);
    color: var(--slate);
    font-family: var(--font-head);
    font-weight: 600;
    font-size: 0.84rem;
    padding: 0.45rem 1.1rem;
    border-radius: 999px;
    text-decoration: none;
    transition: color 0.18s ease, background 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    line-height: 1.2;
    white-space: nowrap;
}

.publications-filter:hover {
    border-color: var(--green);
    color: var(--green);
}

.publications-filter.active {
    border-color: var(--green);
    background: var(--green);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(26, 122, 60, 0.25);
}

/* Results-count caption */
.publications-count {
    color: var(--slate);
    font-size: 0.85rem;
    text-align: center;
    margin: 0 0 2rem;
}

.publications-count strong { color: var(--charcoal); }

/* ── Publication grid ────────────────────────────────────────────────── */
.publications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.publication-card {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
    position: relative;
}

.publication-card:hover {
    border-color: transparent;
    box-shadow: 0 20px 44px -12px rgba(15, 23, 42, 0.18);
    transform: translateY(-4px);
}

/* Cover area: image when set, gradient + document icon as the fallback */
.publication-card-cover {
    position: relative;
    height: 180px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--green-darker) 0%, var(--green-dark) 50%, var(--green) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.8);
}

.publication-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.publication-card:hover .publication-card-cover img { transform: scale(1.05); }

.publication-card-cover .placeholder-icon {
    font-size: 3rem;
    opacity: 0.85;
    z-index: 1;
}

.publication-card-cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0) 35%, rgba(15, 23, 42, 0.45) 100%);
    pointer-events: none;
}

/* Language badge — top-right of the cover */
.publication-card-lang {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 1;
    padding: 0.3rem 0.7rem;
    border-radius: 999px;
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    line-height: 1.2;
    backdrop-filter: blur(6px);
    background: rgba(255, 255, 255, 0.92);
    color: var(--charcoal);
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.15);
}

/* File-extension chip — top-left of the cover */
.publication-card-ext {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 1;
    padding: 0.3rem 0.7rem;
    border-radius: 6px;
    font-family: var(--font-head);
    font-weight: 800;
    font-size: 0.7rem;
    letter-spacing: 0.06em;
    line-height: 1.2;
    background: var(--amber);
    color: var(--charcoal);
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.18);
}

/* Card body */
.publication-card-body {
    padding: 1.3rem 1.3rem 0.4rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.publication-card-type {
    font-family: var(--font-head);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--green);
    background: var(--green-light);
    align-self: flex-start;
    padding: 0.22rem 0.65rem;
    border-radius: 999px;
    margin-bottom: 0.6rem;
}

.publication-card-title {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.35;
    color: var(--charcoal);
    margin: 0 0 0.55rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.7em;
}

.publication-card-description {
    font-size: 0.86rem;
    color: var(--slate);
    line-height: 1.55;
    flex: 1;
    margin: 0 0 0.85rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.publication-card-date {
    font-size: 0.78rem;
    color: var(--muted);
    margin: 0 0 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.publication-card-date i { color: var(--green); }

/* Card meta footer */
.publication-card-meta {
    border-top: 1px solid var(--line-soft);
    padding: 0.85rem 1.3rem;
    background: var(--off-white);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.publication-card-meta-info {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    font-size: 0.78rem;
    color: var(--slate);
}

.publication-card-meta-info i {
    color: var(--green);
    margin-right: 0.3rem;
    font-size: 0.85rem;
}

.publication-card-download {
    background: var(--green);
    color: var(--white);
    border: 0;
    border-radius: var(--radius);
    padding: 0.5rem 1rem;
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 0.82rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: background 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
    flex-shrink: 0;
}

.publication-card-download:hover {
    background: var(--green-dark);
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: 0 6px 14px rgba(26, 122, 60, 0.25);
}

.publication-card-download[disabled],
.publication-card-download.is-disabled {
    background: var(--line);
    color: var(--muted);
    pointer-events: none;
    box-shadow: none;
    transform: none;
}

/* Empty state */
.publications-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem 1rem;
    color: var(--slate);
    font-size: 0.95rem;
    background: var(--off-white);
    border: 1px dashed var(--line);
    border-radius: var(--radius-md);
}

.publications-empty i {
    font-size: 2.4rem;
    color: var(--muted);
    display: block;
    margin-bottom: 0.6rem;
}

.publications-empty .btn-clear-filters {
    margin-top: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--white);
    border: 1.5px solid var(--green);
    color: var(--green);
    text-decoration: none;
    font-family: var(--font-head);
    font-weight: 600;
    font-size: 0.85rem;
    padding: 0.45rem 1.1rem;
    border-radius: 999px;
    transition: background 0.18s ease, color 0.18s ease;
}

.publications-empty .btn-clear-filters:hover {
    background: var(--green);
    color: var(--white);
}

/* Pagination styling — keep it clean and brand-aligned */
.publications-pagination {
    display: flex;
    justify-content: center;
    margin-top: 2.5rem;
}

.publications-pagination .pagination { gap: 0.25rem; }

.publications-pagination .page-link {
    color: var(--slate);
    border: 1px solid var(--line);
    border-radius: var(--radius-xs) !important;
    padding: 0.45rem 0.85rem;
    font-weight: 600;
    transition: all 0.18s ease;
}

.publications-pagination .page-item.active .page-link {
    background: var(--green);
    border-color: var(--green);
    color: var(--white);
}

.publications-pagination .page-link:hover {
    color: var(--green);
    border-color: var(--green);
    background: var(--green-light);
}

/* ── Responsive ──────────────────────────────────────────────────────── */
@media (max-width: 767px) {
    .publications-search { margin-top: 0; padding: 1.25rem 0.75rem; }
    .publications-search-form { flex-direction: column; }
    .publications-search-form .btn-search,
    .publications-search-form .btn-clear { width: 100%; justify-content: center; }
}

@media (max-width: 575px) {
    .publications-grid { grid-template-columns: 1fr; }
    .publication-card-meta {
        flex-direction: column;
        align-items: stretch;
    }
    .publication-card-download { justify-content: center; }
}