/* ============================================================================
   Issue page — issue view, article list, sidebar, downloads
   Loaded on issue/view only
   ============================================================================ */

/* ── Fresh / Archive issue cards ── */
#fresh .tab-content-item,
#archieve .tab-content-item {
    margin-bottom: 14px;
}

#fresh .issue-card,
#archieve .issue-card {
    display: block;
    min-height: 152px;
    border: 1px solid var(--ds-color-border);
    border-radius: 8px;
    background: var(--ds-color-white);
    box-shadow: none;
    padding: 12px;
    color: var(--ds-color-body);
    text-decoration: none !important;
}

#fresh .issue-card:hover,
#archieve .issue-card:hover {
    border-color: var(--ds-color-border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

#fresh .issue-card > b:first-of-type,
#archieve .issue-card > b:first-of-type {
    display: inline-block;
    margin-bottom: 4px;
    color: var(--ds-color-secondary);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

#fresh .issue-card > b:nth-of-type(2),
#fresh .issue-card > b:nth-of-type(3),
#archieve .issue-card > b:nth-of-type(2),
#archieve .issue-card > b:nth-of-type(3) {
    color: var(--ds-color-heading);
    font-size: 20px;
    font-weight: 700;
    line-height: 1.25;
}

#fresh .issue-card > b,
#archieve .issue-card > b {
    margin-right: 6px;
}

#fresh .issue-card .label,
#archieve .issue-card .label {
    border-radius: 12px;
    font-size: 10px;
    padding: 2px 8px;
}

#fresh .issue-card-bg,
#archieve .issue-card-bg {
    display: none;
}

/* ── Online first ── */
#online {
    padding: 8px 24px;
}

#online > div {
    margin-bottom: 0 !important;
    padding: 14px 0;
    border-top: 1px solid var(--ds-color-border-lt);
}

#online > div:first-child {
    border-top: 0;
}

@media (max-width: 991px) {
    #fresh .issue-card > b:nth-of-type(2),
    #fresh .issue-card > b:nth-of-type(3),
    #archieve .issue-card > b:nth-of-type(2),
    #archieve .issue-card > b:nth-of-type(3) {
        font-size: 18px;
    }
}

/* ── Issue sidebar (v3 prototype) ── */
.issue-sidebar .issue-sidebar-submit {
    padding: 14px 16px;
    margin-bottom: 12px;
    text-align: left;
}

.issue-sidebar .sidebar-submit-btn {
    display: block;
    width: 100%;
    border-radius: var(--ds-radius-btn);
    border-color: var(--ds-color-link);
    background: var(--ds-color-link);
    color: var(--ds-color-white);
    font-size: 13px;
    font-weight: 600;
    padding: 10px 12px;
}

.issue-sidebar .sidebar-submit-btn:hover,
.issue-sidebar .sidebar-submit-btn:focus {
    border-color: var(--ds-color-link-hover);
    background: var(--ds-color-link-hover);
    color: var(--ds-color-white);
}

.issue-sidebar .issue-download-card {
    margin-bottom: 12px;
}

.issue-sidebar .issue-download-card .action-btn:last-child {
    margin-bottom: 0;
}

.issue-sidebar .issue-sidebar-links {
    margin-bottom: 12px;
}

.issue-sidebar .issue-sidebar-links > * + * {
    margin-top: 10px;
}

.issue-sidebar .issue-sidebar-links a {
    color: var(--ds-color-link);
    font-size: 12px;
    font-weight: 500;
}

.issue-sidebar .issue-editor-card {
    padding: 14px 16px;
}

.issue-sidebar .issue-editor-card .author-list-item {
    margin-bottom: 10px;
}

.issue-sidebar .logo-block-access {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 10px;
    border: 1px solid var(--ds-color-border);
    border-radius: var(--ds-radius-btn);
    background: var(--ds-color-bg);
    padding: 8px 10px;
    margin-bottom: 8px;
    text-decoration: none !important;
    color: var(--ds-color-body);
    word-break: break-word;
}

.issue-sidebar .logo-block-access:hover {
    background: var(--ds-color-border-lt);
}

.issue-sidebar .logo-block-access img {
    max-width: 120px;
    max-height: 28px;
    width: auto;
    height: auto;
    flex-shrink: 0;
}

/* ============================================================================
   ISSUE PAGE REDESIGN (prototype-aligned)
   ============================================================================ */

.issue-page .card {
    background: var(--ds-color-white);
    border: 1px solid var(--ds-color-border);
    border-radius: var(--ds-radius-card, 8px);
    overflow: hidden;
}

.issue-page .page-layout {
    max-width: var(--ds-max-width, 1200px);
    width: 100%;
    margin: 28px auto 0;
    padding: 0 32px;
    box-sizing: border-box;
    display: grid;
    grid-template-columns: 1fr 260px;
    gap: 28px;
    align-items: start;
}

.issue-page .issue-header {
    padding: 24px 24px 20px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.issue-page .issue-cover {
    width: 80px;
    min-width: 80px;
    height: 112px;
    border-radius: 4px;
    border: 1px solid var(--ds-color-border-strong);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, #DBEAFE, #C7D2FE);
}

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

.issue-page .issue-cover--placeholder {
    background: linear-gradient(145deg, #DBEAFE, #C7D2FE);
}

.issue-page .issue-cover-text {
    font-size: 10px;
    color: #6B7280;
    text-align: center;
}

.issue-page .issue-meta {
    flex: 1;
}

.issue-page .issue-vol-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
    flex-wrap: wrap;
}

.issue-page .issue-volume {
    font-size: 22px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--ds-color-heading);
}

.issue-page .badge-pub {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 500;
}

.issue-page .issue-date {
    font-size: 13px;
    color: var(--ds-color-muted);
    margin-bottom: 6px;
}

.issue-page .doi-row {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 12px;
    font-size: 12px;
    color: var(--ds-color-muted);
}

.issue-page .doi-row a {
    font-size: 12px;
    color: var(--ds-color-link);
}

.issue-page .doi-row-sep {
    color: var(--ds-color-border-strong);
}

.issue-page .stats-row {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
}

.issue-page .stat-num {
    font-size: 22px;
    font-weight: 700;
    line-height: 1.1;
    color: var(--ds-color-heading);
}

.issue-page .stat-lbl {
    font-size: 11px;
    margin-top: 2px;
    color: var(--ds-color-muted);
}

.issue-page .issue-tabs {
    display: flex;
    border-top: 1px solid var(--ds-color-border-strong);
    border-bottom: 1px solid var(--ds-color-border-strong);
    background: #F9FAFB;
}

.issue-page .issue-tab {
    display: inline-block;
    padding: 10px 20px;
    font-size: 13px;
    color: #6B7280;
    font-family: inherit;
    line-height: 1.2;
    border: 0;
    background: transparent;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    text-decoration: none;
}

.issue-page .issue-tab.active {
    color: var(--ds-color-link);
    border-bottom-color: var(--ds-color-link);
    background: var(--ds-color-white);
    font-weight: 500;
}

.issue-page .issue-panel {
    display: none;
}

.issue-page .issue-panel.active {
    display: block;
}

.issue-page .articles-section {
    padding: 0;
}

.issue-page .rubric-group {
    margin-bottom: 0;
}

.issue-page .rubric-heading {
    padding: 10px 24px;
    background: #F3F4F6;
    border-top: 1px solid var(--ds-color-border-strong);
    font-size: 13px;
    font-weight: 600;
    color: #374151;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.issue-page .rubric-title {
    text-transform: none;
    letter-spacing: normal;
}

.issue-page .rubric-count {
    font-size: 11px;
    color: var(--ds-color-secondary);
    font-weight: 400;
}

.issue-page .article-row {
    padding: 14px 24px;
    border-top: 1px solid #F3F4F6;
    transition: background 0.1s;
}

.issue-page .article-row:hover {
    background: #F9FAFB;
}

.issue-page .art-title {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    line-height: 1.45;
    font-weight: 500;
    color: var(--ds-color-link);
    text-decoration: none;
}

.issue-page .art-title:hover {
    text-decoration: underline;
}

.issue-page .art-meta {
    display: flex;
    align-items: center;
    gap: 0;
    flex-wrap: wrap;
}

.issue-page .art-authors {
    font-size: 12px;
    color: var(--ds-color-muted);
}

.issue-page .art-authors a {
    color: var(--ds-color-muted);
}

.issue-page .art-authors a:hover {
    color: var(--ds-color-body);
}

.issue-page .art-spacer {
    flex: 1;
}

.issue-page .art-pages {
    font-size: 12px;
    color: var(--ds-color-secondary);
    margin-right: 12px;
}

.issue-page .art-actions {
    display: flex;
    gap: 10px;
}

.issue-page .art-link {
    font-size: 12px;
    color: var(--ds-color-link);
}

.issue-page .art-link-muted {
    font-size: 12px;
    color: var(--ds-color-muted);
}

.issue-page .art-link-muted:hover {
    color: var(--ds-color-body);
    text-decoration: none;
}

.issue-page .sidebar {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.issue-page .download-card,
.issue-page .editor-card,
.issue-page .journal-card,
.issue-page .index-card,
.issue-page .nav-card {
    padding: 16px;
}

.issue-page .sidebar-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--ds-color-heading);
    margin-bottom: 10px;
}

.issue-page .btn-full {
    display: block;
    width: 100%;
    text-align: center;
    padding: 9px 0;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
}

.issue-page .btn-full + .btn-full {
    margin-top: 8px;
}

.issue-page .btn-full-primary {
    background: var(--ds-color-link);
    color: var(--ds-color-white);
}

.issue-page .btn-full-primary:hover {
    background: var(--ds-color-link-hover);
    color: var(--ds-color-white);
    text-decoration: none;
}

.issue-page .btn-full-outline {
    background: var(--ds-color-white);
    color: #374151;
    border: 1px solid var(--ds-color-border-strong);
}

.issue-page .btn-full-outline:hover {
    border-color: #9CA3AF;
    text-decoration: none;
}

.issue-page .journal-card-link {
    display: block;
    font-size: 13px;
    line-height: 1.4;
    color: var(--ds-color-link);
}

.issue-page .journal-card-issn {
    margin-top: 6px;
    font-size: 12px;
    color: var(--ds-color-muted);
}

.issue-page .oa-card {
    background: #F0FDF4;
    border: 1px solid #BBF7D0;
    border-radius: 8px;
    padding: 14px;
}

.issue-page .oa-card-text {
    font-size: 12px;
    line-height: 1.55;
    color: #166534;
}

.issue-page .index-label {
    font-size: 13px;
    font-weight: 600;
    color: #111827;
    margin-bottom: 10px;
}

.issue-page .index-logos {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.issue-page .nav-card-label,
.issue-page .editor-card-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--ds-color-secondary);
    margin-bottom: 10px;
}

.issue-page .nav-card a {
    display: block;
    font-size: 13px;
    padding: 6px 0;
    border-bottom: 1px solid var(--ds-color-border-lt);
    color: var(--ds-color-body);
}

.issue-page .nav-card a:last-child {
    border-bottom: 0;
}

.issue-page .nav-card a:hover {
    color: var(--ds-color-link);
    text-decoration: none;
}

.issue-page .editor-item {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    margin-bottom: 10px;
}

.issue-page .editor-item:last-child {
    margin-bottom: 0;
}

.issue-page .editor-item .avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    flex-shrink: 0;
    background: var(--ds-color-border-lt);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
    color: var(--ds-color-muted);
}

.issue-page .editor-item .info {
    font-size: 12px;
    line-height: 1.5;
    color: var(--ds-color-body);
}

.issue-page .editor-item .info a {
    color: var(--ds-color-link);
}

.issue-page .editor-item .info .mail {
    font-size: 11px;
    color: var(--ds-color-muted);
}

.issue-page .editor-role {
    font-size: 11px;
    color: var(--ds-color-secondary);
    margin-bottom: 4px;
}

.issue-page .editor-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--ds-color-link);
    line-height: 1.35;
}

.issue-page .editor-name a {
    color: var(--ds-color-link);
}

.issue-page .about-section {
    padding: 24px;
    border-top: 1px solid var(--ds-color-border-lt);
}

.issue-page .about-section-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--ds-color-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--ds-color-border-lt);
    margin-bottom: 12px;
}

.issue-page .about-row {
    display: flex;
    gap: 8px;
    font-size: 13px;
    padding: 4px 0;
}

.issue-page .about-row-label {
    min-width: 120px;
    color: var(--ds-color-secondary);
}

.issue-page .about-row-value {
    color: var(--ds-color-heading);
    font-weight: 500;
}

/* ── Variant: RJES ── */
.issue-page--rjes .issue-cover {
    display: none;
}

.issue-page--rjes .issue-header {
    display: block;
}

.issue-page--rjes .issue-tabs {
    display: none;
}

.issue-page--rjes .articles-section {
    padding: 24px;
}

.issue-page--rjes .rubric-heading {
    font-size: 11px;
    font-weight: 700;
    color: #9CA3AF;
    text-transform: none;
    letter-spacing: normal;
    padding: 12px 0 8px;
    border-top: 0;
    border-bottom: 2px solid #F3F4F6;
    background: transparent;
}

.issue-page--rjes .rubric-count {
    font-size: 11px;
}

.issue-page--rjes .article-row {
    padding: 16px 0;
    border-top: 0;
    border-bottom: 1px solid #F3F4F6;
}

.issue-page--rjes .article-row:last-child {
    border-bottom: 0;
}

.issue-page--rjes .art-title {
    color: #111827;
    font-weight: 600;
    text-transform: none;
    letter-spacing: normal;
}

.issue-page--rjes .art-title:hover {
    color: var(--ds-color-link);
    text-decoration: none;
}

.issue-page--rjes .art-authors a {
    color: #6B7280;
}

.issue-page--rjes .art-authors a:hover {
    color: var(--ds-color-link);
}

/* ── Variant: CONARC ── */
.issue-page--conarc .issue-cover {
    width: 90px;
    min-width: 90px;
    height: 127px;
}

.issue-page--conarc .issue-header {
    padding: 24px;
}

.issue-page--conarc .issue-tabs {
    border-top: 0;
    border-bottom-color: #E5E7EB;
    background: #fff;
    padding: 0 24px;
}

.issue-page--conarc .issue-tab {
    padding: 12px 16px;
    margin-bottom: -1px;
}

.issue-page--conarc .issue-tab.active {
    background: transparent;
}

.issue-page--conarc .articles-section {
    padding: 20px 24px;
}

.issue-page--conarc .rubric-heading {
    font-size: 11px;
    font-weight: 700;
    color: #9CA3AF;
    text-transform: none;
    letter-spacing: normal;
    padding: 16px 0 8px;
    border-top: 0;
    border-bottom: 2px solid #E5E7EB;
    background: transparent;
}

.issue-page--conarc .rubric-count {
    font-size: 11px;
}

.issue-page--conarc .article-row {
    padding: 14px 0;
    border-top: 0;
    border-bottom: 1px solid #F3F4F6;
}

.issue-page--conarc .article-row:last-child {
    border-bottom: 0;
}

.issue-page--conarc .art-title {
    text-transform: none;
    letter-spacing: normal;
}

.issue-page--conarc .art-meta {
    gap: 4px 14px;
}

@media screen and (max-width: 991px) {
    .issue-page .issue-header {
        flex-direction: column;
    }

    .issue-page .issue-cover {
        width: 96px;
        min-width: 96px;
        height: 136px;
    }

    .issue-page .article-row,
    .issue-page .rubric-heading {
        padding-left: 16px;
        padding-right: 16px;
    }
}

@media screen and (max-width: 768px) {
    .issue-page .page-layout {
        width: 100%;
        position: static;
        left: auto;
        transform: none;
        grid-template-columns: 1fr;
        padding: 0 16px;
        margin: 20px auto 0;
    }
}