/*
 * Single Template Styles — Clean Minimal Academic Design
 * Inspired by PLoS ONE, Nature, modern open-access journals
 * For Journal, Issue, Paper, and Author single views
 * Uses --sjm-* variables from academic-shortcodes.css
 *
 * @package Wisdom Journal Manager
 */

/* ============================================================================
   BASE CONTAINER
   ============================================================================ */

.sjm-single-container {
    max-width: 920px;
    margin: 0 auto;
    padding: 32px 24px 64px;
    font-family: var(--sjm-font-family);
    font-size: 16px;
    line-height: 1.65;
    color: #1a1a2e;
    background: #ffffff;
}

/* ============================================================================
   BREADCRUMB
   ============================================================================ */

.sjm-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    font-size: 13px;
    color: #6b7280;
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid #f0f0f5;
    font-family: var(--sjm-font-family);
}

.sjm-breadcrumb a {
    color: var(--sjm-primary);
    text-decoration: none;
    font-weight: 500;
}

.sjm-breadcrumb a:hover {
    text-decoration: underline;
}

.sjm-breadcrumb-separator {
    color: #d1d5db;
    font-size: 12px;
    line-height: 1;
}

.sjm-breadcrumb-current {
    color: #374151;
    font-weight: 500;
}

/* ============================================================================
   ARTICLE HEADER
   ============================================================================ */

.sjm-single-header {
    margin-bottom: 36px;
    padding: 32px 32px 28px;
    background: #ffffff;
    border: 1px solid #e8eaed;
    border-top: 4px solid var(--sjm-primary);
    border-radius: 4px;
}

/* Reset any grid from old structure */
.sjm-single-header-with-cover {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 28px;
    align-items: start;
}

/* ============================================================================
   COVER IMAGE
   ============================================================================ */

.sjm-single-cover {
    width: 180px;
    border-radius: 3px;
    overflow: hidden;
    border: 1px solid #e5e7eb;
}

.sjm-single-cover img {
    width: 100%;
    height: auto;
    display: block;
}

/* ============================================================================
   TITLE & INFO AREA
   ============================================================================ */

.sjm-single-container .sjm-single-info h1 {
    font-size: 28px;
    font-weight: 700;
    color: #111827;
    margin: 0 0 14px 0;
    line-height: 1.3;
    letter-spacing: -0.02em;
    border: none;
    padding: 0;
    background: none;
}

.sjm-single-container .sjm-single-info h2 {
    font-size: 22px;
    font-weight: 700;
    color: #111827;
    margin: 0 0 12px 0;
    line-height: 1.3;
    letter-spacing: -0.01em;
    border: none;
    padding: 0;
    background: none;
}

.sjm-single-container .sjm-single-info h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
    margin: 0 0 10px 0;
    line-height: 1.4;
    border: none;
    padding: 0;
    background: none;
}

/* Authors line */
.sjm-authors-line {
    font-size: 15px;
    color: #374151;
    margin: 0 0 8px 0;
    font-weight: 500;
    line-height: 1.5;
}

.sjm-authors-line a {
    color: var(--sjm-primary);
    text-decoration: none;
}

.sjm-authors-line a:hover {
    text-decoration: underline;
}

/* Parent journal/issue links */
.sjm-parent-links {
    font-size: 14px;
    color: #6b7280;
    margin: 0 0 18px 0;
    line-height: 1.5;
}

.sjm-parent-links a {
    color: var(--sjm-primary);
    text-decoration: none;
    font-weight: 500;
}

.sjm-parent-links a:hover {
    text-decoration: underline;
}

/* Single view subtitle (for journals/issues) */
.sjm-single-subtitle {
    font-size: 15px;
    color: #6b7280;
    margin: 0 0 16px 0;
    font-weight: 400;
}

.sjm-single-subtitle a {
    color: var(--sjm-primary);
    text-decoration: none;
    font-weight: 500;
}

.sjm-single-subtitle a:hover {
    text-decoration: underline;
}

/* ============================================================================
   BADGES
   ============================================================================ */

.sjm-journal-badges {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.sjm-single-container .sjm-badge {
    display: inline-flex;
    align-items: center;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 3px 10px;
    border-radius: 3px;
    background: #e8f0f8;
    color: var(--sjm-primary);
    border: 1px solid #b8cee0;
}

.sjm-single-container .sjm-badge a {
    color: inherit;
    text-decoration: none;
}

/* Open Access badge */
.sjm-single-container .sjm-badge:has(> [href*="oa"]),
.sjm-badge-oa {
    background: #f0fdf4;
    color: #16a34a;
    border-color: #bbf7d0;
}

/* Corresponding author badge */
.sjm-corresponding-badge {
    display: inline-flex;
    align-items: center;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 2px 7px;
    border-radius: 3px;
    background: #ecfdf5;
    color: #059669;
    border: 1px solid #a7f3d0;
    margin-left: 6px;
    vertical-align: middle;
}

.sjm-badge-subscription {
    background: #fff7ed;
    color: #c2410c;
    border-color: #fed7aa;
}

.sjm-subscription-note {
    font-size: 12px;
    color: #9ca3af;
    margin-top: 4px;
    font-style: italic;
}

/* ============================================================================
   DOWNLOAD / ACTION BUTTONS
   ============================================================================ */

.sjm-actions-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.sjm-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 18px;
    background: var(--sjm-primary);
    color: #ffffff;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    font-size: 14px;
    border: 2px solid var(--sjm-primary);
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
    font-family: var(--sjm-font-family);
    line-height: 1;
}

.sjm-download-btn:hover {
    background: var(--sjm-primary-dark);
    border-color: var(--sjm-primary-dark);
    color: #ffffff;
    text-decoration: none;
}

.sjm-download-btn:focus {
    outline: 3px solid #93c5fd;
    outline-offset: 2px;
}

.sjm-download-btn svg {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
}

/* Secondary / outlined variant */
.sjm-download-btn-secondary {
    background: #ffffff;
    color: var(--sjm-primary);
    border-color: var(--sjm-primary);
}

.sjm-download-btn-secondary:hover {
    background: var(--sjm-primary);
    color: #ffffff;
}

/* Request / danger variant */
.sjm-download-btn-request {
    background: #ffffff;
    color: #dc2626;
    border-color: #fca5a5;
}

.sjm-download-btn-request:hover {
    background: #dc2626;
    color: #ffffff;
    border-color: #dc2626;
}

/* View button (used in listing shortcodes) */
.sjm-view-button {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: #ffffff;
    border: 1.5px solid #d1d5db;
    border-radius: 4px;
    font-size: 13px;
    font-weight: 600;
    color: var(--sjm-primary);
    text-decoration: none;
    transition: border-color 0.15s, color 0.15s, background 0.15s;
    cursor: pointer;
    font-family: var(--sjm-font-family);
}

.sjm-view-button:hover {
    background: var(--sjm-primary);
    border-color: var(--sjm-primary);
    color: #ffffff;
    text-decoration: none;
}

.sjm-view-button svg {
    width: 14px;
    height: 14px;
    transition: transform 0.15s;
}

.sjm-view-button:hover svg {
    transform: translateX(2px);
}

/* ============================================================================
   DOI LINK
   ============================================================================ */

.sjm-doi-link {
    color: var(--sjm-primary);
    text-decoration: none;
    word-break: break-all;
    font-family: "SF Mono", "Fira Code", monospace;
    font-size: 0.9em;
}

.sjm-doi-link:hover {
    text-decoration: underline;
}

/* ============================================================================
   ABSTRACT SECTION
   ============================================================================ */

.sjm-abstract-section {
    margin: 0 0 36px 0;
    padding: 24px 28px;
    background: #f8fafc;
    border-left: 4px solid var(--sjm-primary);
    border-radius: 0 4px 4px 0;
}

.sjm-single-container .sjm-abstract-title {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #374151;
    margin: 0 0 12px 0;
    border: none;
    padding: 0;
    background: none;
}

.sjm-abstract-content {
    font-size: 15px;
    color: #1f2937;
    line-height: 1.75;
    margin: 0;
}

/* ============================================================================
   SECTIONS (Publication Info, Authors, etc.)
   ============================================================================ */

.sjm-single-meta {
    margin-bottom: 0;
}

.sjm-section {
    margin-bottom: 40px;
}

.sjm-single-container .sjm-section-title {
    font-size: 15px;
    font-weight: 700;
    color: #111827;
    margin: 0 0 16px 0;
    padding-bottom: 10px;
    border-bottom: 2px solid #e5e7eb;
    letter-spacing: 0;
    text-transform: none;
    position: static;
    background: none;
    line-height: 1.4;
}

.sjm-single-container .sjm-section-title::after,
.sjm-single-container .sjm-section-title::before {
    display: none;
}

/* ============================================================================
   METADATA GRID (key-value pairs)
   ============================================================================ */

.sjm-single-container .sjm-meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 0;
    border: 1px solid #e5e7eb;
    border-radius: 4px;
    overflow: hidden;
}

.sjm-single-container .sjm-meta-item {
    display: flex;
    flex-direction: column;
    padding: 14px 18px;
    border-bottom: 1px solid #f0f0f5;
    font-size: 14px;
}

.sjm-single-container .sjm-meta-item:nth-child(even) {
    background: #fafafa;
}

.sjm-single-container .sjm-meta-item:last-child {
    border-bottom: none;
}

.sjm-single-container .sjm-meta-label {
    font-size: 11px;
    font-weight: 700;
    color: #9ca3af;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 4px;
}

.sjm-single-container .sjm-meta-value {
    color: #111827;
    font-weight: 400;
    font-size: 14px;
    line-height: 1.5;
}

.sjm-single-container .sjm-meta-value a {
    color: var(--sjm-primary);
    text-decoration: none;
}

.sjm-single-container .sjm-meta-value a:hover {
    text-decoration: underline;
}

/* Old card-style — reset */
.sjm-meta-group,
.sjm-single-container .sjm-meta-card {
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 0;
    box-shadow: none;
}

.sjm-meta-group:hover,
.sjm-single-container .sjm-meta-card:hover {
    box-shadow: none;
    border-color: transparent;
    transform: none;
}

.sjm-meta-title {
    font-size: 16px;
    font-weight: 600;
    color: #111827;
    margin-bottom: 12px;
    padding-bottom: 0;
}

.sjm-meta-title::after {
    display: none;
}

/* ============================================================================
   MANUSCRIPT ID
   ============================================================================ */

.sjm-manuscript-id {
    font-family: "SF Mono", "Fira Code", "Roboto Mono", monospace;
    background: #f3f4f6;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 13px;
    color: #374151;
    font-weight: 600;
}

/* ============================================================================
   NOT OPEN ACCESS NOTICE
   ============================================================================ */

.sjm-not-oa-notice {
    font-size: 13px;
    color: #dc2626;
    margin-bottom: 16px;
    padding: 12px 16px;
    background: #fef2f2;
    border-left: 3px solid #dc2626;
    border-radius: 0 3px 3px 0;
}

/* ============================================================================
   AUTHOR CARDS
   ============================================================================ */

/* Author cards span full grid width */
.sjm-meta-grid .sjm-author-card {
    grid-column: 1 / -1;
}

.sjm-author-card {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-left: 3px solid var(--sjm-primary);
    border-radius: 0 4px 4px 0;
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sjm-author-card:hover {
    background: #fafbff;
    border-left-color: var(--sjm-primary-dark);
}

.sjm-author-name {
    font-size: 16px;
    font-weight: 600;
    color: #111827;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}

.sjm-author-name a {
    color: var(--sjm-primary);
    text-decoration: none;
}

.sjm-author-name a:hover {
    text-decoration: underline;
}

.sjm-author-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sjm-author-item {
    font-size: 13px;
    color: #4b5563;
    line-height: 1.5;
}

.sjm-author-item a {
    color: var(--sjm-primary);
    text-decoration: none;
}

.sjm-author-item a:hover {
    text-decoration: underline;
}

.sjm-orcid-link {
    color: #57a541;
    text-decoration: none;
    font-size: 13px;
}

.sjm-orcid-link:hover {
    text-decoration: underline;
}

/* ============================================================================
   VERSION MANAGEMENT
   ============================================================================ */

.sjm-version-section {
    margin-bottom: 20px;
    border: 1px solid #e5e7eb;
    border-radius: 4px;
    overflow: hidden;
}

.sjm-version-header {
    background: #f9fafb;
    padding: 12px 18px;
    border-bottom: 1px solid #e5e7eb;
}

.sjm-single-container .sjm-version-header h3 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: #374151;
    padding: 0;
    background: none;
    border: none;
}

.sjm-version-body {
    padding: 16px 18px;
    display: flex;
    flex-direction: column;
}

.sjm-version-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 14px 0;
}

.sjm-version-card + .sjm-version-card {
    border-top: 1px solid #f3f4f6;
}

.sjm-version-card-content {
    flex: 1;
    min-width: 0;
}

.sjm-version-title-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.sjm-version-title {
    margin: 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--sjm-primary);
}

.sjm-version-tag {
    padding: 2px 7px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #ffffff;
    flex-shrink: 0;
}

.sjm-version-tag-latest {
    background: #16a34a;
}

.sjm-version-tag-oa {
    background: #059669;
}

.sjm-version-detail {
    font-size: 13px;
    color: #6b7280;
    margin: 0 0 6px 0;
    line-height: 1.5;
}

.sjm-version-detail a {
    color: var(--sjm-primary);
    text-decoration: none;
}

.sjm-version-detail a:hover {
    text-decoration: underline;
}

.sjm-version-badges {
    margin-top: 8px;
}

.sjm-version-actions {
    flex-shrink: 0;
}

/* ============================================================================
   CARDS GRID (Recent Issues, Papers in Issue listing)
   ============================================================================ */

.sjm-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
    margin: 16px 0;
}

.sjm-cards-grid .sjm-meta-card {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 4px;
    padding: 18px 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.sjm-cards-grid .sjm-meta-card:hover {
    border-color: var(--sjm-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.07);
}

.sjm-single-container .sjm-cards-grid .sjm-meta-card h4 {
    margin: 0;
    font-size: 15px;
    font-weight: 600;
    color: #111827;
    line-height: 1.4;
    border: none;
    padding: 0;
    background: none;
}

/* ============================================================================
   AUTHORS GRID (Author Information sections)
   ============================================================================ */

.sjm-authors-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 16px 0;
}

/* ============================================================================
   SINGLE LAYOUT HELPERS
   ============================================================================ */

.sjm-single-sections {
    display: block;
}

.sjm-single-main {
    width: 100%;
}

.sjm-paper-authors-line {
    font-size: 13px;
    color: #6b7280;
    margin: 0 0 10px 0;
}

/* ============================================================================
   AUTHOR PROFILE (wjm_author_profile shortcode)
   ============================================================================ */

.sjm-author-profile {
    max-width: 900px;
    margin: 0 auto;
    font-family: var(--sjm-font-family);
    font-size: 15px;
}

.sjm-author-profile-header {
    display: flex;
    gap: 28px;
    margin-bottom: 36px;
    align-items: flex-start;
    padding: 28px;
    border: 1px solid #e5e7eb;
    border-top: 4px solid var(--sjm-primary);
    border-radius: 4px;
    background: #ffffff;
}

.sjm-author-photo img {
    border-radius: 50%;
    width: 130px;
    height: 130px;
    object-fit: cover;
    border: 3px solid #e5e7eb;
    flex-shrink: 0;
}

.sjm-author-profile-info {
    flex: 1;
    min-width: 0;
}

.sjm-author-profile .sjm-author-profile-info h2 {
    font-size: 26px;
    font-weight: 700;
    color: #111827;
    margin: 0 0 6px 0;
    line-height: 1.25;
    border: none;
    padding: 0;
    background: none;
}

.sjm-author-bio {
    font-size: 14px;
    color: #4b5563;
    line-height: 1.7;
    margin-top: 10px;
}

/* Metrics row */
.sjm-author-metrics-display {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 36px;
}

.sjm-metric-box {
    text-align: center;
    padding: 20px 12px;
    background: #f8fafc;
    border: 1px solid #e5e7eb;
    border-radius: 4px;
}

.sjm-metric-value {
    font-size: 28px;
    font-weight: 700;
    color: #111827;
    margin-bottom: 4px;
    line-height: 1;
}

.sjm-metric-label {
    font-size: 12px;
    font-weight: 600;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Publications list */
.sjm-author-profile .sjm-author-publications h3 {
    font-size: 15px;
    font-weight: 700;
    color: #111827;
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e5e7eb;
    border-top: none;
    border-left: none;
    border-right: none;
    background: none;
}

.sjm-author-profile .sjm-author-publications h3::after,
.sjm-author-profile .sjm-author-publications h3::before {
    display: none;
}

.sjm-author-publications ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sjm-author-publications li {
    padding: 12px 0;
    border-bottom: 1px solid #f3f4f6;
    font-size: 14px;
    color: #374151;
    line-height: 1.55;
}

.sjm-author-publications li:last-child {
    border-bottom: none;
}

.sjm-author-publications a {
    color: var(--sjm-primary);
    text-decoration: none;
    font-weight: 500;
}

.sjm-author-publications a:hover {
    text-decoration: underline;
}

.sjm-author-publications small {
    color: #9ca3af;
    margin-left: 6px;
    font-size: 12px;
}

/* ============================================================================
   ISSUE / JOURNAL SPECIFIC
   ============================================================================ */

/* Paper card within an issue */
.sjm-paper-authors-line {
    font-size: 13px;
    color: #6b7280;
    margin: 4px 0 8px 0;
    font-weight: 400;
}

/* ============================================================================
   RESPONSIVE
   ============================================================================ */

@media (max-width: 768px) {
    .sjm-single-container {
        padding: 20px 16px 48px;
    }

    .sjm-single-header {
        padding: 22px 20px 18px;
    }

    .sjm-single-header-with-cover {
        grid-template-columns: 1fr;
    }

    .sjm-single-cover {
        width: 120px;
        margin: 0 auto 16px;
    }

    .sjm-single-info h1 {
        font-size: 22px;
    }

    .sjm-single-container .sjm-meta-grid {
        grid-template-columns: 1fr;
    }

    .sjm-author-profile-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 16px;
        padding: 20px;
    }

    .sjm-author-photo img {
        width: 100px;
        height: 100px;
    }

    .sjm-author-metrics-display {
        grid-template-columns: repeat(2, 1fr);
    }

    .sjm-breadcrumb {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .sjm-single-container {
        padding: 16px 12px 36px;
    }

    .sjm-single-header {
        padding: 18px 16px 14px;
    }

    .sjm-single-info h1 {
        font-size: 19px;
    }

    .sjm-actions-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .sjm-download-btn {
        width: 100%;
        justify-content: center;
    }

    .sjm-author-metrics-display {
        grid-template-columns: 1fr;
    }

    .sjm-journal-badges {
        gap: 6px;
    }

    .sjm-abstract-section {
        padding: 18px 16px;
    }
}

/* ============================================================================
   PRINT
   ============================================================================ */

@media print {
    .sjm-single-container {
        padding: 0;
        max-width: 100%;
        font-size: 12pt;
    }

    .sjm-single-header {
        border: 1px solid #999;
        border-top: 3px solid #000;
    }

    .sjm-download-btn,
    .sjm-view-button,
    .sjm-breadcrumb,
    .sjm-actions-row {
        display: none !important;
    }

    .sjm-abstract-section {
        background: #f5f5f5;
        border-left: 3px solid #333;
    }

    .sjm-author-card {
        break-inside: avoid;
        border-left: 3px solid #333;
    }
}

/* ============================================================================
   ACCESSIBILITY
   ============================================================================ */

@media (prefers-reduced-motion: reduce) {
    .sjm-single-container *,
    .sjm-author-profile * {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}

.sjm-single-container :focus-visible,
.sjm-author-profile :focus-visible {
    outline: 3px solid rgba(30, 58, 95, 0.4);
    outline-offset: 2px;
    border-radius: 2px;
}