/**
 * @file plugins/themes/lumina/styles/academic/pinnacle-current-issue.css
 *
 * Copyright (c) 2026 Lumina Project contributors
 * Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
 *
 * @brief Isolated Pinnacle Homepage Current Issue & Table of Contents Stylesheet.
 *        - Clean, modern, restrained academic composition.
 *        - Supports with-cover and no-cover states seamlessly.
 *        - 100% token-driven with Lumina CSS custom properties.
 *        - Strictly scoped under body.lm-layout-pinnacle.
 */

/* ==========================================================================
   1. CONTAINER & SYSTEM BOUNDARIES
   ========================================================================== */

body.lm-layout-pinnacle .lm-pinnacle-current-issue-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl, 2rem);
    width: 100%;
}

/* ==========================================================================
   2. CURRENT ISSUE HEADER CARD
   ========================================================================== */

body.lm-layout-pinnacle .lm-pinnacle-current-issue-card {
    background: var(--lm-surface-card, #ffffff);
    border: 1px solid var(--lm-border, #e2e8f0);
    border-radius: var(--lm-radius-lg, 12px);
    padding: var(--space-lg, 1.5rem);
    box-shadow: var(--lm-shadow-sm, 0 1px 3px rgba(0, 0, 0, 0.05));
    display: flex;
    flex-direction: column;
    gap: var(--space-md, 1.25rem);
    position: relative;
    overflow: hidden;
}

body.lm-layout-pinnacle .lm-pinnacle-issue-header-top {
    border-bottom: 1px solid var(--lm-border, #e2e8f0);
    padding-bottom: var(--space-xs, 0.5rem);
    margin-bottom: var(--space-xs, 0.25rem);
}

body.lm-layout-pinnacle .lm-pinnacle-issue-header-top .lm-pinnacle-section-title {
    font-size: var(--lm-font-size-xl, 1.25rem);
    font-weight: var(--lm-weight-bold, 700);
    color: var(--lm-text-primary, #0f172a);
    margin: 0;
    line-height: var(--lm-lh-tight, 1.2);
    letter-spacing: -0.01em;
}

/* Focal Grid: 2-column with cover, 100% text-first without cover */
body.lm-layout-pinnacle .lm-pinnacle-issue-focal {
    display: grid;
    grid-template-columns: 130px 1fr;
    gap: var(--space-lg, 1.5rem);
    align-items: start;
}

body.lm-layout-pinnacle .lm-pinnacle-issue-focal.lm-pinnacle-issue-focal--no-cover {
    display: block;
    width: 100%;
}

/* Issue Cover */
body.lm-layout-pinnacle .lm-pinnacle-issue-cover-col {
    flex-shrink: 0;
    width: 130px;
    border-radius: var(--lm-radius-md, 8px);
    overflow: hidden;
    border: 1px solid var(--lm-border, #e2e8f0);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

body.lm-layout-pinnacle .lm-pinnacle-issue-cover-link {
    display: block;
    line-height: 0;
}

body.lm-layout-pinnacle .lm-pinnacle-issue-cover-img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 180px;
    object-fit: contain;
    background: var(--lm-surface-muted, #f8fafc);
}

body.lm-layout-pinnacle .lm-pinnacle-issue-cover-col:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

/* Issue Details */
body.lm-layout-pinnacle .lm-pinnacle-issue-details-col {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs, 0.5rem);
    width: 100%;
}

/* Eyebrow series badge */
body.lm-layout-pinnacle .lm-pinnacle-issue-series-row {
    display: flex;
    align-items: center;
}

body.lm-layout-pinnacle .lm-pinnacle-issue-series-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 10px;
    border-radius: 9999px;
    background: rgba(var(--lm-primary-rgb, 5, 150, 105), 0.08);
    color: var(--lm-primary, #059669);
    font-size: var(--lm-font-size-xs, 0.75rem);
    font-weight: var(--lm-weight-semibold, 600);
    letter-spacing: 0.02em;
}

/* Issue Heading */
body.lm-layout-pinnacle .lm-pinnacle-issue-heading {
    font-size: var(--lm-font-size-xl, 1.25rem);
    font-weight: var(--lm-weight-bold, 700);
    color: var(--lm-text-primary, #0f172a);
    margin: 0;
    line-height: var(--lm-lh-snug, 1.3);
}

body.lm-layout-pinnacle .lm-pinnacle-issue-heading a {
    color: inherit;
    text-decoration: none;
    transition: color 0.15s ease;
}

body.lm-layout-pinnacle .lm-pinnacle-issue-heading a:hover {
    color: var(--lm-primary, #059669);
}

/* Issue Description */
body.lm-layout-pinnacle .lm-pinnacle-issue-description {
    font-size: var(--lm-font-size-sm, 0.875rem);
    color: var(--lm-text-secondary, #475569);
    line-height: 1.6;
    max-width: 65ch;
    margin-top: 2px;
}

/* Compact Metadata Row */
body.lm-layout-pinnacle .lm-pinnacle-issue-meta-pills {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 0.75rem;
    margin-top: var(--space-xs, 0.25rem);
}

body.lm-layout-pinnacle .lm-pinnacle-issue-meta-pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: var(--lm-font-size-xs, 0.75rem);
    color: var(--lm-text-secondary, #475569);
    background: var(--lm-surface-muted, #f8fafc);
    border: 1px solid var(--lm-border, #e2e8f0);
    padding: 3px 8px;
    border-radius: var(--lm-radius-sm, 4px);
}

body.lm-layout-pinnacle .lm-pinnacle-issue-meta-pill .pill-label {
    font-weight: var(--lm-weight-medium, 500);
    color: var(--lm-text-muted, #64748b);
}

body.lm-layout-pinnacle .lm-pinnacle-issue-meta-pill .pill-value {
    font-weight: var(--lm-weight-semibold, 600);
    color: var(--lm-text-primary, #0f172a);
}

body.lm-layout-pinnacle .lm-pinnacle-issue-meta-pill--doi a {
    color: var(--lm-primary, #059669);
    text-decoration: none;
}

body.lm-layout-pinnacle .lm-pinnacle-issue-meta-pill--doi a:hover {
    text-decoration: underline;
}

/* Issue Action Buttons */
body.lm-layout-pinnacle .lm-pinnacle-issue-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    margin-top: var(--space-sm, 0.75rem);
}

body.lm-layout-pinnacle .lm-pinnacle-issue-actions .lm-pinnacle-btn-primary,
body.lm-layout-pinnacle .lm-pinnacle-issue-actions .lm-pinnacle-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    font-size: var(--lm-font-size-xs, 0.75rem);
    font-weight: var(--lm-weight-semibold, 600);
    text-transform: none;
    letter-spacing: normal;
    border-radius: var(--lm-radius-sm, 6px);
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
}

body.lm-layout-pinnacle .lm-pinnacle-issue-actions .lm-pinnacle-btn-primary {
    background: var(--lm-primary, #059669);
    color: #ffffff !important;
    border: 1px solid var(--lm-primary, #059669);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

body.lm-layout-pinnacle .lm-pinnacle-issue-actions .lm-pinnacle-btn-primary:hover {
    background: var(--lm-link-hover, #047857);
    border-color: var(--lm-link-hover, #047857);
    transform: translateY(-1px);
}

body.lm-layout-pinnacle .lm-pinnacle-issue-actions .lm-pinnacle-btn-secondary {
    background: transparent;
    color: var(--lm-text-primary, #0f172a) !important;
    border: 1px solid var(--lm-border, #cbd5e1);
}

body.lm-layout-pinnacle .lm-pinnacle-issue-actions .lm-pinnacle-btn-secondary:hover {
    border-color: var(--lm-primary, #059669);
    color: var(--lm-primary, #059669) !important;
    background: rgba(var(--lm-primary-rgb, 5, 150, 105), 0.04);
}

/* ==========================================================================
   3. ARTICLES SECTION (TABLE OF CONTENTS)
   ========================================================================== */

body.lm-layout-pinnacle .lm-pinnacle-homepage-articles {
    display: flex;
    flex-direction: column;
    gap: var(--space-md, 1.25rem);
    margin-top: var(--space-sm, 0.5rem);
}

/* Single clean visual divider for Articles header */
body.lm-layout-pinnacle .lm-pinnacle-articles-header {
    border-bottom: 1px solid var(--lm-border, #e2e8f0);
    padding-bottom: var(--space-xs, 0.5rem);
}

body.lm-layout-pinnacle .lm-pinnacle-articles-title {
    font-size: var(--lm-font-size-lg, 1.125rem);
    font-weight: var(--lm-weight-bold, 700);
    color: var(--lm-text-primary, #0f172a);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

body.lm-layout-pinnacle .lm-pinnacle-articles-title::before {
    content: '';
    display: inline-block;
    width: 3px;
    height: 14px;
    background: var(--lm-primary, #059669);
    border-radius: 2px;
}

/* Articles List Container */
body.lm-layout-pinnacle .lm-pinnacle-articles-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md, 1rem);
}

/* ==========================================================================
   4. COMPACT ARTICLE CARD (WITH & WITHOUT COVER)
   ========================================================================== */

body.lm-layout-pinnacle .lm-pinnacle-art-card {
    background: var(--lm-surface-card, #ffffff);
    border: 1px solid var(--lm-border, #e2e8f0);
    border-radius: var(--lm-radius-md, 8px);
    padding: 1.125rem 1.25rem;
    display: grid;
    grid-template-columns: 95px 1fr;
    gap: 1.125rem;
    align-items: start;
    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), 
                box-shadow 0.2s cubic-bezier(0.16, 1, 0.3, 1), 
                border-color 0.2s ease, 
                background-color 0.2s ease;
    position: relative;
}

body.lm-layout-pinnacle .lm-pinnacle-art-card.lm-pinnacle-art-card--no-cover {
    display: block;
    width: 100%;
}

/* Subtle Hover (No full-card green background) */
body.lm-layout-pinnacle .lm-pinnacle-art-card:hover {
    border-color: rgba(var(--lm-primary-rgb, 5, 150, 105), 0.4);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
    transform: translateY(-2px);
    background-color: rgba(var(--lm-primary-rgb, 5, 150, 105), 0.015);
}

/* Article Cover Wrap */
body.lm-layout-pinnacle .lm-pinnacle-art-cover-wrap {
    flex-shrink: 0;
    width: 95px;
    border-radius: var(--lm-radius-sm, 6px);
    overflow: hidden;
    border: 1px solid var(--lm-border, #e2e8f0);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

body.lm-layout-pinnacle .lm-pinnacle-art-cover-link {
    display: block;
    line-height: 0;
}

body.lm-layout-pinnacle .lm-pinnacle-art-img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 125px;
    object-fit: cover;
    background: var(--lm-surface-muted, #f8fafc);
}

/* Article Content Column */
body.lm-layout-pinnacle .lm-pinnacle-art-content {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    width: 100%;
}

/* Category / Section Pill */
body.lm-layout-pinnacle .lm-pinnacle-art-eyebrow {
    margin-bottom: 2px;
}

body.lm-layout-pinnacle .lm-pinnacle-art-section-pill {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: var(--lm-weight-semibold, 600);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--lm-primary, #059669);
    background: rgba(var(--lm-primary-rgb, 5, 150, 105), 0.06);
    padding: 2px 7px;
    border-radius: 4px;
}

/* Article Title */
body.lm-layout-pinnacle .lm-pinnacle-art-title {
    font-size: 1rem;
    font-weight: var(--lm-weight-bold, 700);
    line-height: 1.35;
    margin: 0;
    color: var(--lm-text-primary, #0f172a);
}

body.lm-layout-pinnacle .lm-pinnacle-art-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.15s ease;
}

body.lm-layout-pinnacle .lm-pinnacle-art-title a:hover {
    color: var(--lm-primary, #059669);
}

body.lm-layout-pinnacle .lm-pinnacle-art-subtitle {
    display: block;
    font-size: 0.875rem;
    font-weight: var(--lm-weight-normal, 400);
    color: var(--lm-text-secondary, #475569);
    margin-top: 2px;
}

/* Authors */
body.lm-layout-pinnacle .lm-pinnacle-art-authors {
    display: flex;
    align-items: baseline;
    gap: 6px;
    font-size: var(--lm-font-size-xs, 0.8125rem);
    color: var(--lm-text-secondary, #475569);
    line-height: 1.4;
    margin-top: 1px;
}

body.lm-layout-pinnacle .lm-pinnacle-art-authors i {
    font-size: 0.75rem;
    color: var(--lm-text-muted, #64748b);
    flex-shrink: 0;
}

body.lm-layout-pinnacle .lm-pinnacle-author-name {
    font-weight: var(--lm-weight-medium, 500);
}

body.lm-layout-pinnacle .lm-pinnacle-author-name sup {
    font-size: 0.65rem;
    color: var(--lm-primary, #059669);
}

/* Compact Affiliations */
body.lm-layout-pinnacle .lm-pinnacle-art-affiliations {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 0.5rem;
    font-size: 0.6875rem;
    color: var(--lm-text-muted, #64748b);
    font-style: italic;
    line-height: 1.3;
}

body.lm-layout-pinnacle .lm-pinnacle-affiliation-item sup {
    font-size: 0.65rem;
    color: var(--lm-primary, #059669);
    font-style: normal;
}

/* Publishing & Page Metadata Row */
body.lm-layout-pinnacle .lm-pinnacle-art-meta-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem 0.75rem;
    margin-top: 2px;
}

body.lm-layout-pinnacle .lm-pinnacle-art-meta-pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
    color: var(--lm-text-muted, #64748b);
}

body.lm-layout-pinnacle .lm-pinnacle-art-meta-pill i {
    font-size: 0.6875rem;
}

/* Academic Usage Metrics Row (Restored R1.2) */
body.lm-layout-pinnacle .lm-pinnacle-art-metrics-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 1.25rem;
    font-size: 0.75rem;
    color: var(--lm-text-muted, #64748b);
    margin-top: 1px;
}

body.lm-layout-pinnacle .lm-pinnacle-art-metric-item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

body.lm-layout-pinnacle .lm-pinnacle-art-metric-item i {
    font-size: 0.6875rem;
    color: var(--lm-primary, #059669);
    opacity: 0.85;
}

body.lm-layout-pinnacle .lm-pinnacle-art-metric-item .metric-label {
    font-weight: var(--lm-weight-normal, 400);
    color: var(--lm-text-secondary, #475569);
}

body.lm-layout-pinnacle .lm-pinnacle-art-metric-item .metric-val {
    font-weight: var(--lm-weight-semibold, 600);
    color: var(--lm-text-primary, #0f172a);
}

/* Article Footer: Galleys & DOI */
body.lm-layout-pinnacle .lm-pinnacle-art-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.65rem;
    margin-top: 0.35rem;
    padding-top: 0.65rem;
    border-top: 1px dashed var(--lm-border, #e2e8f0);
}

/* Galleys List */
body.lm-layout-pinnacle .lm-pinnacle-art-galleys {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

body.lm-layout-pinnacle .lm-pinnacle-art-galleys li {
    margin: 0;
    padding: 0;
}

body.lm-layout-pinnacle .lm-pinnacle-art-galleys .obj_galley_link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    font-size: 0.6875rem;
    font-weight: var(--lm-weight-semibold, 600);
    color: var(--lm-primary, #059669);
    background: rgba(var(--lm-primary-rgb, 5, 150, 105), 0.08);
    border: 1px solid rgba(var(--lm-primary-rgb, 5, 150, 105), 0.2);
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.15s ease;
}

body.lm-layout-pinnacle .lm-pinnacle-art-galleys .obj_galley_link:hover {
    background: var(--lm-primary, #059669);
    color: #ffffff !important;
    border-color: var(--lm-primary, #059669);
    transform: translateY(-1px);
}

/* DOI Two-Segment Capsule (Visual Contract matches Pinnacle Article Detail) */
body.lm-layout-pinnacle .lm-pinnacle-art-doi {
    display: inline-flex;
    align-items: center;
}

body.lm-layout-pinnacle .lm-pinnacle-doi-link-full {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    font-size: var(--lm-font-size-xs, 0.75rem);
    line-height: 1.2;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

body.lm-layout-pinnacle .lm-pinnacle-doi-link-full .doi-label {
    background: var(--lm-primary, #059669);
    color: #ffffff;
    font-weight: var(--lm-weight-bold, 700);
    padding: 0.2rem 0.5rem;
    border-top-left-radius: var(--lm-radius-sm, 4px);
    border-bottom-left-radius: var(--lm-radius-sm, 4px);
    font-size: var(--lm-font-size-xs, 0.75rem);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    border: 1px solid var(--lm-primary, #059669);
    border-right: none;
}

body.lm-layout-pinnacle .lm-pinnacle-doi-link-full .doi-val {
    background: var(--lm-surface-muted, #f8fafc);
    color: var(--lm-text-secondary, #475569);
    border: 1px solid var(--lm-border, #e2e8f0);
    border-left: none;
    padding: 0.2rem 0.5rem;
    border-top-right-radius: var(--lm-radius-sm, 4px);
    border-bottom-right-radius: var(--lm-radius-sm, 4px);
    font-size: var(--lm-font-size-xs, 0.75rem);
    transition: color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}

body.lm-layout-pinnacle .lm-pinnacle-doi-link-full:hover .doi-val {
    color: var(--lm-primary, #059669);
    border-color: var(--lm-primary, #059669);
    background: var(--lm-surface-card, #ffffff);
}

body.lm-layout-pinnacle .lm-pinnacle-doi-link-full:hover .doi-label {
    background: var(--lm-link-hover, #047857);
    border-color: var(--lm-link-hover, #047857);
}

/* View All Issues Button */
body.lm-layout-pinnacle .lm-pinnacle-view-all-issues-wrap {
    display: flex;
    justify-content: center;
    margin-top: var(--space-sm, 0.75rem);
}

body.lm-layout-pinnacle .lm-pinnacle-btn-view-all-issues {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    font-size: var(--lm-font-size-xs, 0.8125rem);
    font-weight: var(--lm-weight-semibold, 600);
    color: var(--lm-primary, #059669);
    background: transparent;
    border: 1px solid rgba(var(--lm-primary-rgb, 5, 150, 105), 0.3);
    border-radius: var(--lm-radius-sm, 6px);
    text-decoration: none;
    transition: all 0.2s ease;
}

body.lm-layout-pinnacle .lm-pinnacle-btn-view-all-issues:hover {
    background: var(--lm-primary, #059669);
    color: #ffffff !important;
    border-color: var(--lm-primary, #059669);
    transform: translateY(-1px);
}

/* ==========================================================================
   5. RESPONSIVE BREAKPOINTS
   ========================================================================== */

/* Tablet (768px - 1023px) */
@media (max-width: 1023px) and (min-width: 768px) {
    body.lm-layout-pinnacle .lm-pinnacle-issue-focal {
        grid-template-columns: 110px 1fr;
        gap: var(--space-md, 1.25rem);
    }

    body.lm-layout-pinnacle .lm-pinnacle-issue-cover-col {
        width: 110px;
    }

    body.lm-layout-pinnacle .lm-pinnacle-art-card {
        grid-template-columns: 85px 1fr;
        gap: 1rem;
        padding: 1rem;
    }

    body.lm-layout-pinnacle .lm-pinnacle-art-cover-wrap {
        width: 85px;
    }
}

/* Mobile (< 768px) */
@media (max-width: 767px) {
    body.lm-layout-pinnacle .lm-pinnacle-current-issue-card {
        padding: 1rem;
    }

    body.lm-layout-pinnacle .lm-pinnacle-issue-focal {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    body.lm-layout-pinnacle .lm-pinnacle-issue-cover-col {
        width: 100%;
        max-width: 130px;
        margin: 0 auto;
    }

    body.lm-layout-pinnacle .lm-pinnacle-issue-heading {
        font-size: 1.125rem;
    }

    body.lm-layout-pinnacle .lm-pinnacle-art-card {
        grid-template-columns: 1fr;
        gap: 0.75rem;
        padding: 1rem;
    }

    body.lm-layout-pinnacle .lm-pinnacle-art-cover-wrap {
        width: 100%;
        max-width: 100px;
        margin: 0 auto;
    }

    body.lm-layout-pinnacle .lm-pinnacle-art-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}