/* ============================================================
   DOI Portal — Publication & Issue Detail (public)
   doi.rs-inspired redesign. Loaded AFTER portal.css so these
   rules win. Presentation-only overrides + additions.
   ============================================================ */

/* ------------------------------------------------------------
   Page shell rhythm
   ------------------------------------------------------------ */
.pub-detail-layout {
    --gutter: 1.75rem;
}

/* Back link — slightly stronger, pill-like */
.pub-detail-back {
    margin-bottom: 1.25rem;
}

/* ------------------------------------------------------------
   Gradient header — strengthen + host inline badges
   ------------------------------------------------------------ */
.pub-detail-header {
    padding: 2.75rem 2.5rem;
    box-shadow: 0 26px 60px -26px rgba(3, 51, 51, 0.55);
}

.pub-detail-header::after {
    content: '';
    position: absolute;
    left: -8%;
    bottom: -55%;
    width: 340px;
    height: 340px;
    background: radial-gradient(circle, rgba(3, 51, 51, 0.35) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.pub-detail-header .page-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.pub-detail-header .page-eyebrow i {
    font-size: 0.95rem;
    color: #a9e6b4;
}

/* Badge row rendered on the dark gradient header */
.pub-header-badges {
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.25rem;
}

.pub-header-badges .badge-type,
.pub-header-badges .badge-access,
.pub-header-badges .badge-restricted {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    border-radius: 50px;
    padding: 0.38rem 0.9rem;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    backdrop-filter: blur(2px);
}

.pub-header-badges .badge-type {
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.22);
}

.pub-header-badges .badge-access {
    background: rgba(92, 180, 106, 0.95);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.pub-header-badges .badge-restricted {
    background: rgba(180, 92, 0, 0.95);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.25);
}

/* ------------------------------------------------------------
   Section blocks — white surface, soft ambient shadow, hover lift
   ------------------------------------------------------------ */
.pub-section,
.pub-detail-layout .detail-meta-card,
.pub-detail-layout .sidebar-card {
    background: var(--color-surface-card);
    border: 1px solid var(--color-border-subtle);
    border-radius: 16px;
    box-shadow: 0 1px 2px rgba(3, 51, 51, 0.04),
                0 12px 30px -20px rgba(3, 51, 51, 0.22);
    transition: box-shadow 0.35s ease, transform 0.35s ease, border-color 0.35s ease;
}

.pub-section {
    padding: 1.75rem 1.9rem;
    margin-bottom: var(--gutter);
}

.pub-detail-layout .detail-meta-card,
.pub-detail-layout .sidebar-card {
    margin-bottom: var(--gutter);
}

.pub-detail-layout .detail-meta-card:hover,
.pub-detail-layout .sidebar-card:hover,
.pub-section:hover {
    border-color: rgba(92, 180, 106, 0.35);
    box-shadow: 0 18px 42px -14px rgba(3, 51, 51, 0.18);
}

.pub-detail-layout .detail-meta-card .card-body,
.pub-detail-layout .sidebar-card .card-body {
    padding: 1.6rem 1.75rem;
}

/* Section eyebrow + accent bar heading */
.pub-section-head {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    margin-bottom: 1.15rem;
}

.pub-section-head .section-label {
    margin-bottom: 0;
}

.pub-section-head .gradient-accent-bar {
    height: 4px;
    width: 56px;
}

.pub-section-title {
    color: var(--color-dark);
    font-weight: 700;
    font-size: 1.35rem;
    letter-spacing: -0.01em;
    margin: 0;
}

/* Card heading with icon (reuse info-card-heading but softer) */
.pub-detail-layout .info-card-heading {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    border-left: none;
    padding-left: 0;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 1.1rem;
}

.pub-detail-layout .info-card-heading i {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: rgba(92, 180, 106, 0.12);
    color: var(--color-primary);
    font-size: 1rem;
    margin: 0 !important;
    flex-shrink: 0;
}

.pub-detail-description {
    color: var(--color-text-secondary);
    line-height: 1.75;
    font-size: 1rem;
    margin: 0;
}

/* ------------------------------------------------------------
   Sidebar cover panel
   ------------------------------------------------------------ */
.pub-cover-panel {
    background: var(--color-surface-card);
    border: 1px solid var(--color-border-subtle);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: var(--gutter);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 1px 2px rgba(3, 51, 51, 0.04),
                0 12px 30px -20px rgba(3, 51, 51, 0.22);
}

.pub-cover-panel img {
    width: 100%;
    max-height: 360px;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 14px 34px -16px rgba(3, 51, 51, 0.4);
}

.pub-cover-placeholder {
    width: 100%;
    aspect-ratio: 3 / 4;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(150deg, var(--color-dark) 0%, #0a4a4a 68%, var(--color-primary) 150%);
    position: relative;
    overflow: hidden;
}

.pub-cover-placeholder::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -25%;
    width: 220px;
    height: 220px;
    background: radial-gradient(circle, rgba(92, 180, 106, 0.35) 0%, transparent 70%);
}

.pub-cover-placeholder i {
    position: relative;
    font-size: 4.5rem;
    color: #fff;
    opacity: 0.92;
    filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.3));
}

/* ------------------------------------------------------------
   Sidebar meta card — key/value quick facts
   ------------------------------------------------------------ */
.sidebar-meta-card .detail-meta-row {
    align-items: flex-start;
    gap: 0.75rem;
}

.sidebar-meta-card .detail-meta-row dt {
    min-width: 96px;
    color: var(--color-text-secondary);
    font-weight: 600;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.sidebar-meta-card .detail-meta-row dt i {
    color: var(--color-primary);
}

.sidebar-meta-card .detail-meta-row dd {
    color: var(--color-text-primary);
    font-weight: 500;
    font-size: 0.9rem;
    text-align: right;
    margin-left: auto;
}

.sidebar-meta-card .detail-meta-row dd a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
}

.sidebar-meta-card .detail-meta-row dd a:hover {
    text-decoration: underline;
}

.meta-doi-value {
    font-family: "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 0.82rem;
    word-break: break-all;
}

.meta-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.6rem;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 600;
}

.meta-pill-open {
    background: rgba(92, 180, 106, 0.14);
    color: #2f9d57;
}

.meta-pill-restricted {
    background: rgba(180, 92, 0, 0.12);
    color: #b45c00;
}

/* Contact CTA card */
.pub-contact-card .card-body {
    text-align: center;
    padding: 1.75rem 1.5rem !important;
}

.pub-contact-card .contact-cta-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: rgba(92, 180, 106, 0.12);
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    margin-bottom: 0.85rem;
}

.pub-contact-card p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.1rem;
}

/* ------------------------------------------------------------
   Detail meta rows in main column (journal/conference facts)
   ------------------------------------------------------------ */
.pub-detail-layout .detail-meta-row {
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--color-border-subtle);
}

.pub-detail-layout .detail-meta-row dt {
    min-width: 190px;
}

/* ------------------------------------------------------------
   Issue list — clearly clickable rows with hover
   ------------------------------------------------------------ */
.pub-section .issue-list {
    gap: 0.65rem;
}

.pub-section .issue-list-item {
    border: 1px solid var(--color-border-subtle);
    border-radius: 12px;
    padding: 0.95rem 1.1rem;
    background: var(--color-surface-base);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.pub-section .issue-list-item:hover {
    background: #fff;
    border-color: rgba(92, 180, 106, 0.5);
    box-shadow: 0 12px 28px -16px rgba(3, 51, 51, 0.28);
    transform: translateX(3px);
}

.pub-section .issue-list-item:last-child {
    border-bottom: 1px solid var(--color-border-subtle);
}

.issue-icon {
    width: 46px;
    height: 46px;
    min-width: 46px;
    border-radius: 12px;
    background: var(--brand-gradient-soft);
    color: #fff;
    font-size: 1.15rem;
    box-shadow: 0 8px 18px -10px rgba(3, 51, 51, 0.5);
}

.issue-thumb {
    max-height: 46px;
    border-radius: 6px;
    box-shadow: 0 6px 16px -8px rgba(3, 51, 51, 0.4);
}

.issue-label {
    font-size: 1rem;
    font-weight: 700;
}

.issue-list-item:hover .issue-label {
    color: var(--color-primary);
}

.issue-article-count {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.6rem;
    border-radius: 50px;
    background: rgba(92, 180, 106, 0.12);
    color: #2f9d57;
    font-weight: 600;
    font-size: 0.78rem;
}

/* Empty issues note */
.pub-issues-empty {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 1.25rem;
    border: 1px dashed var(--color-border);
    border-radius: 12px;
    color: var(--color-text-secondary);
    font-style: italic;
    margin: 0;
}

.pub-issues-empty i {
    font-size: 1.35rem;
    color: var(--color-primary);
    opacity: 0.6;
}

/* ============================================================
   ISSUE DETAIL PAGE
   ============================================================ */

/* Meta row under issue header (status + date) */
.issue-detail-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 1.5rem;
}

.issue-detail-meta .badge {
    border-radius: 50px;
    padding: 0.4rem 0.95rem;
    font-size: 0.8rem;
    font-weight: 600;
}

.issue-date-inline {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.85rem;
    border-radius: 50px;
    background: var(--color-surface-base);
    border: 1px solid var(--color-border-subtle);
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
}

/* DOI box — pill-styled callout */
.issue-doi-box {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.1rem;
    border-radius: 12px;
    background: rgba(92, 180, 106, 0.08);
    border: 1px solid rgba(92, 180, 106, 0.25);
    font-size: 0.9rem;
    color: var(--color-text-primary);
}

.issue-doi-box i {
    color: var(--color-primary);
    font-size: 1.1rem;
}

.issue-doi-box a {
    font-family: "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 0.85rem;
    color: var(--color-primary);
    text-decoration: none;
    word-break: break-all;
}

.issue-doi-box a:hover {
    text-decoration: underline;
}

/* Action pill buttons row */
.issue-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.75rem;
}

/* Article list — richer cards */
.issue-detail-body .article-list {
    gap: 0.85rem;
}

.issue-detail-body .article-list-item {
    border: 1px solid var(--color-border-subtle);
    border-radius: 14px;
    padding: 1.15rem 1.35rem;
    margin-bottom: 0;
    box-shadow: 0 1px 2px rgba(3, 51, 51, 0.03);
    transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.issue-detail-body .article-list-item:hover {
    border-color: rgba(92, 180, 106, 0.5);
    box-shadow: 0 16px 36px -18px rgba(3, 51, 51, 0.28);
    transform: translateY(-3px);
}

.issue-detail-body .article-list-title {
    font-size: 1.02rem;
    line-height: 1.4;
}

.issue-detail-body .article-list-item:hover .article-list-title {
    color: var(--color-primary);
}

.issue-detail-body .article-list-authors {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.issue-detail-body .article-list-authors::before {
    content: '\F4E1';
    font-family: "bootstrap-icons";
    color: var(--color-primary);
    opacity: 0.6;
    font-size: 0.85rem;
}

.article-list-pages {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.65rem;
    border-radius: 50px;
    background: var(--color-surface-base);
    border: 1px solid var(--color-border-subtle);
    font-weight: 600;
}

/* Section heading with count on issue detail */
.issue-articles-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.issue-articles-head .publisher-pub-count {
    width: 38px;
    height: 38px;
    border-radius: 12px;
}

/* Proceedings card + article section wrappers share the panel look */
.issue-panel {
    background: var(--color-surface-card);
    border: 1px solid var(--color-border-subtle);
    border-radius: 16px;
    padding: 1.75rem 1.9rem;
    margin-bottom: 1.75rem;
    box-shadow: 0 1px 2px rgba(3, 51, 51, 0.04),
                0 12px 30px -20px rgba(3, 51, 51, 0.22);
}

/* Issue sidebar meta card (status / date / doi / pdf) */
.issue-side-meta .detail-meta-row dt {
    min-width: 84px;
    color: var(--color-text-secondary);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.issue-side-meta .detail-meta-row dd {
    margin-left: auto;
    text-align: right;
    font-size: 0.88rem;
    font-weight: 500;
}

/* ------------------------------------------------------------
   Responsive
   ------------------------------------------------------------ */
@media (max-width: 991.98px) {
    .pub-detail-layout .col-lg-4 {
        margin-top: 0.5rem;
    }
    .pub-cover-panel {
        max-width: 340px;
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 767.98px) {
    .pub-detail-header {
        padding: 2rem 1.4rem;
    }
    .pub-section {
        padding: 1.35rem 1.25rem;
    }
    .pub-detail-layout .detail-meta-card .card-body,
    .pub-detail-layout .sidebar-card .card-body {
        padding: 1.25rem 1.3rem;
    }
    .pub-detail-layout .detail-meta-row {
        flex-direction: column;
        gap: 0.15rem;
    }
    .pub-detail-layout .detail-meta-row dt {
        min-width: 0;
    }
    .sidebar-meta-card .detail-meta-row dd,
    .issue-side-meta .detail-meta-row dd {
        text-align: left;
        margin-left: 0;
    }
    .issue-actions .btn-doi,
    .issue-actions .btn-doi-outline {
        width: 100%;
    }
}