/* E-PDF magazine reader — single issue page (/magazine/e-magazines/{slug}) */

.page-epdf-reader {
    font-family: Poppins, system-ui, sans-serif;
    background: #f4f7fb;
    padding-bottom: 2.5rem;
}

/* ----- Hero / subheader ----- */
.epdf-reader-hero {
    background: linear-gradient(135deg, #1a2568 0%, #25348b 48%, #334dbb 100%);
    color: #fff;
    padding: 1.35rem 0 1.65rem;
    position: relative;
    overflow: hidden;
}

.epdf-reader-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 120% at 100% 0%, rgba(255, 255, 255, 0.12) 0%, transparent 55%),
        radial-gradient(ellipse 60% 80% at 0% 100%, rgba(0, 0, 0, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.epdf-reader-hero__inner {
    position: relative;
    z-index: 1;
}

.epdf-reader-breadcrumb {
    list-style: none;
    padding: 0;
    margin: 0 0 0.85rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem 0.5rem;
    font-size: 0.8rem;
    font-weight: 500;
    opacity: 0.92;
}

.epdf-reader-breadcrumb li {
    display: inline-flex;
    align-items: center;
}

.epdf-reader-breadcrumb li + li::before {
    content: '/';
    margin-right: 0.5rem;
    opacity: 0.55;
}

.epdf-reader-breadcrumb a {
    color: #c7d4ff;
    text-decoration: none;
}

.epdf-reader-breadcrumb a:hover {
    color: #fff;
    text-decoration: underline;
}

.epdf-reader-breadcrumb .active {
    color: #fff;
}

.epdf-reader-hero__row {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem 1.5rem;
}

.epdf-reader-hero__title {
    font-family: 'Faculty Glyphic', Georgia, serif;
    font-size: clamp(1.35rem, 3vw, 1.85rem);
    font-weight: 700;
    line-height: 1.2;
    margin: 0;
    max-width: 42rem;
}

.epdf-reader-hero__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
}

.epdf-reader-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.epdf-reader-back {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: #fff;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0.45rem 0.9rem;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: background 0.2s ease, transform 0.15s ease;
}

.epdf-reader-back:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.22);
    transform: translateX(-2px);
}

/* ----- Main layout ----- */
.epdf-reader-body {
    margin-top: -0.75rem;
    position: relative;
    z-index: 2;
}

.epdf-reader-viewer-card {
    background: #fff;
    border-radius: 14px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 12px 40px rgba(15, 23, 42, 0.08);
    overflow: hidden;
}

.epdf-reader-viewer-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 0.85rem 1.15rem;
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
}

.epdf-reader-viewer-toolbar__label {
    font-size: 0.8rem;
    font-weight: 600;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.epdf-reader-viewer-toolbar__label i {
    color: #25348b;
    font-size: 1rem;
}

.epdf-reader-viewer-frame {
    position: relative;
    width: 100%;
    min-height: min(78vh, 920px);
    background: #1e293b;
}

.epdf-reader-viewer-frame iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.epdf-reader-viewer-empty {
    min-height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
    color: #94a3b8;
    font-size: 0.95rem;
}

/* ----- Sidebar ----- */
.epdf-reader-sidebar {
    background: #fff;
    border-radius: 14px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 8px 28px rgba(15, 23, 42, 0.06);
    padding: 1.15rem;
    position: sticky;
    top: 148px;
}

.epdf-reader-sidebar__title {
    font-size: 0.95rem;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 1rem;
    padding-bottom: 0.65rem;
    border-bottom: 2px solid #25348b;
}

.epdf-reader-related {
    list-style: none;
    padding: 0;
    margin: 0;
}

.epdf-reader-related__item + .epdf-reader-related__item {
    margin-top: 0.65rem;
    padding-top: 0.65rem;
    border-top: 1px solid #f1f5f9;
}

.epdf-reader-related__link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: inherit;
    border-radius: 10px;
    padding: 0.35rem;
    margin: -0.35rem;
    transition: background 0.2s ease;
}

.epdf-reader-related__link:hover {
    background: #f1f5f9;
}

.epdf-reader-related__thumb {
    flex-shrink: 0;
    width: 52px;
    height: 68px;
    border-radius: 6px;
    overflow: hidden;
    background: #e2e8f0;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.1);
}

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

.epdf-reader-related__name {
    font-size: 0.8rem;
    font-weight: 600;
    line-height: 1.35;
    color: #1e293b;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.epdf-reader-related__link:hover .epdf-reader-related__name {
    color: #25348b;
}

.epdf-reader-sidebar__empty {
    font-size: 0.85rem;
    color: #64748b;
    margin: 0;
}

@media (max-width: 991.98px) {
    .epdf-reader-sidebar {
        position: static;
        margin-top: 0.5rem;
    }

    .epdf-reader-viewer-frame {
        min-height: min(65vh, 640px);
    }

    .epdf-reader-hero {
        padding: 1.1rem 0 1.35rem;
    }
}

@media (max-width: 575.98px) {
    .epdf-reader-viewer-frame {
        min-height: 55vh;
    }
}