/* ============================================================
   WFCSI — Digital Publications Platform Styles
   ============================================================ */

/* ─── Controls & Filter Bar ──────────────────────────────── */
.pub-controls {
    background: var(--bg-white);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    border: 1px solid var(--color-grey-100);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--space-10);
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.pub-search-row {
    display: flex;
    gap: var(--space-4);
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.pub-search-box {
    position: relative;
    flex: 1;
    min-width: 280px;
    max-width: 480px;
}

.pub-search-box input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.75rem;
    border-radius: var(--radius-full);
    border: 1.5px solid var(--color-grey-200);
    font-size: var(--text-sm);
    background: var(--bg-alt);
    transition: all var(--transition-fast);
}

.pub-search-box input:focus {
    border-color: var(--color-primary);
    background: var(--bg-white);
    box-shadow: var(--shadow-focus);
    outline: none;
}

.pub-search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.pub-filter-pills {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

/* ─── Publications Grid ──────────────────────────────────── */
.pub-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-8);
    margin-bottom: 0;
}

.pub-grid + .spotlight-card {
    margin: var(--space-8) 0 0;
}

.pub-card {
    background: var(--bg-white);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    border: 1px solid var(--color-grey-100);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    position: relative;
}

.pub-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: rgba(232, 97, 10, 0.25);
}

.pub-card__media {
    position: relative;
    aspect-ratio: 3 / 4;
    max-height: 280px;
    overflow: hidden;
    background: var(--color-navy-dark);
}

.pub-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.pub-card:hover .pub-card__img {
    transform: scale(1.05);
}

.pub-card__badge {
    align-self: flex-start;
    margin-bottom: var(--space-3);
}

.pub-card__body {
    padding: var(--space-6);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.pub-card__meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-bottom: var(--space-3);
}

.pub-card__title {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    line-height: var(--leading-snug);
    margin-bottom: var(--space-3);
    transition: color var(--transition-fast);
}

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

.pub-card__desc {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-6);
    flex: 1;
}

.pub-card__footer {
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-grey-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
}

/* ─── Custom Branded PDF.js Reader Modal ─────────────────── */
.pdf-reader-modal {
    position: fixed;
    inset: 0;
    background: rgba(10, 18, 34, 0.95);
    backdrop-filter: blur(12px);
    z-index: var(--z-modal);
    display: flex;
    flex-direction: column;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.pdf-reader-modal.open {
    opacity: 1;
    pointer-events: auto;
}

/* PDF Reader Toolbar */
.pdf-toolbar {
    background: rgba(15, 26, 48, 0.98);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-3) var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    flex-shrink: 0;
    color: var(--text-light);
}

.pdf-toolbar__title {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    color: var(--text-light);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 400px;
}

.pdf-toolbar__controls {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.pdf-toolbar__btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--text-light);
    border-radius: var(--radius-md);
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pdf-toolbar__btn:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.pdf-toolbar__btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pdf-page-num {
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.8);
    white-space: nowrap;
}

/* PDF Canvas Container */
.pdf-viewer-container {
    flex: 1;
    overflow: auto;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: var(--space-6);
    background: #1c2738;
}

.pdf-canvas-wrapper {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
    background: #ffffff;
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative;
    max-width: 100%;
}

#pdf-canvas {
    display: block;
    max-width: 100%;
    height: auto;
}

.pdf-loading-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--color-primary);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
}

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
    .pub-grid { grid-template-columns: 1fr; }
    .pub-search-row { flex-direction: column; align-items: stretch; }
    .pub-search-box { max-width: 100%; }
    .pdf-toolbar { flex-wrap: wrap; padding: var(--space-2) var(--space-4); }
    .pdf-toolbar__title { max-width: 200px; }
}