/**
 * Public styles for Nabil Publish Journals plugin.
 * RTL-friendly, clean academic design.
 */

/* =============================================
   Variables
   ============================================= */
:root {
    --npj-primary: #1a5276;
    --npj-primary-light: #2980b9;
    --npj-primary-dark: #0e2f44;
    --npj-accent: #e67e22;
    --npj-bg: #f8f9fa;
    --npj-card-bg: #ffffff;
    --npj-text: #2c3e50;
    --npj-text-muted: #7f8c8d;
    --npj-border: #e0e0e0;
    --npj-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --npj-radius: 8px;
    --npj-green: #27ae60;
}

/* =============================================
   General
   ============================================= */
.npj-wrap {
    max-width: 1100px;
    margin: 0 auto;
    padding: 30px 20px;
    font-family: inherit;
    color: var(--npj-text);
    line-height: 1.7;
}

.npj-wrap * {
    box-sizing: border-box;
}

/* =============================================
   Journal Page – Header / Cover
   ============================================= */
.npj-journal-header {
    text-align: center;
    padding: 60px 20px 40px;
    background: linear-gradient(135deg, var(--npj-primary-dark), var(--npj-primary));
    color: #fff;
    border-radius: var(--npj-radius);
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
}

/* Cover image background (when using focal point) */
.npj-journal-header.npj-has-cover {
    padding: 80px 20px 50px;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
}

.npj-journal-header.npj-has-cover::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom,
            rgba(14, 47, 68, 0.7),
            rgba(26, 82, 118, 0.85));
    z-index: 1;
}

.npj-journal-header.npj-has-cover>* {
    position: relative;
    z-index: 2;
}

.npj-journal-header h1 {
    font-size: 2em;
    margin: 0 0 10px;
    color: #fff;
}

.npj-journal-header .npj-journal-desc {
    font-size: 1.1em;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto;
}

/* Journal Meta Info */
.npj-journal-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
}

.npj-journal-meta-item {
    background: var(--npj-card-bg);
    padding: 15px 20px;
    border-radius: var(--npj-radius);
    box-shadow: var(--npj-shadow);
    border-inline-start: 4px solid var(--npj-primary);
}

.npj-journal-meta-item strong {
    display: block;
    color: var(--npj-primary);
    margin-bottom: 4px;
    font-size: 0.85em;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* =============================================
   Vision / Mission / Values  – Horizontal Cards
   ============================================= */
.npj-highlight-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.npj-highlight-card {
    background: var(--npj-card-bg);
    padding: 25px;
    border-radius: var(--npj-radius);
    box-shadow: var(--npj-shadow);
    border-top: 4px solid var(--npj-primary);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.npj-highlight-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.npj-highlight-card .npj-card-icon {
    font-size: 2em;
    margin-bottom: 10px;
    display: block;
}

.npj-highlight-card h3 {
    font-size: 1.15em;
    color: var(--npj-primary);
    margin: 0 0 10px;
}

.npj-highlight-card p,
.npj-highlight-card div {
    color: var(--npj-text);
    line-height: 1.7;
    margin: 0;
}

/* Colored variants */
.npj-highlight-card--vision {
    border-top-color: var(--npj-primary-light);
}

.npj-highlight-card--mission {
    border-top-color: var(--npj-accent);
}

.npj-highlight-card--values {
    border-top-color: var(--npj-green);
}

/* =============================================
   Journal Sections (Objectives, Specializations, etc.)
   ============================================= */
.npj-journal-section {
    background: var(--npj-card-bg);
    padding: 25px;
    border-radius: var(--npj-radius);
    box-shadow: var(--npj-shadow);
    margin-bottom: 25px;
}

.npj-journal-section h2 {
    font-size: 1.4em;
    color: var(--npj-primary);
    margin: 0 0 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--npj-border);
}

.npj-journal-section ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.npj-journal-section ul li {
    padding: 6px 0;
    padding-inline-start: 20px;
    position: relative;
}

.npj-journal-section ul li::before {
    content: "◆";
    color: var(--npj-accent);
    position: absolute;
    inset-inline-start: 0;
    font-size: 0.7em;
    top: 9px;
}

/* Submission CTA */
.npj-submit-cta {
    background: linear-gradient(135deg, var(--npj-accent), #d35400);
    color: #fff;
    padding: 25px;
    border-radius: var(--npj-radius);
    text-align: center;
    margin-bottom: 30px;
}

.npj-submit-cta h3 {
    margin: 0 0 10px;
    font-size: 1.3em;
    color: #fff;
}

.npj-submit-cta a {
    display: inline-block;
    background: #fff;
    color: var(--npj-accent);
    padding: 10px 25px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 700;
    margin-top: 8px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.npj-submit-cta a:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* =============================================
   Issues Grid (on Journal page)
   ============================================= */
.npj-issues-section h2 {
    font-size: 1.5em;
    color: var(--npj-primary);
    margin-bottom: 20px;
    text-align: center;
}

.npj-issues-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.npj-issue-card {
    background: var(--npj-card-bg);
    border-radius: var(--npj-radius);
    overflow: hidden;
    box-shadow: var(--npj-shadow);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    text-decoration: none;
    color: inherit;
    display: block;
}

.npj-issue-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.npj-issue-card-image {
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    display: block;
    background: var(--npj-bg);
}

/* Focal point support for covers */
.npj-issue-card-image[style*="object-position"] {
    object-fit: cover;
}

.npj-issue-card-image.npj-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--npj-primary), var(--npj-primary-light));
    color: #fff;
    font-size: 2.5em;
    font-weight: 700;
}

.npj-issue-card-body {
    padding: 15px;
}

.npj-issue-card-body h3 {
    font-size: 1em;
    margin: 0 0 6px;
    color: var(--npj-primary-dark);
}

.npj-issue-card-body .npj-issue-date {
    font-size: 0.85em;
    color: var(--npj-text-muted);
}

.npj-issue-card-body .npj-issue-pages {
    font-size: 0.8em;
    color: var(--npj-text-muted);
    margin-top: 4px;
}

/* =============================================
   Issue Page (Table of Contents + Articles)
   ============================================= */
.npj-issue-header {
    text-align: center;
    padding: 35px 20px;
    background: linear-gradient(135deg, var(--npj-primary-dark), var(--npj-primary));
    color: #fff;
    border-radius: var(--npj-radius);
    margin-bottom: 30px;
}

.npj-issue-header h1 {
    font-size: 1.8em;
    margin: 0 0 8px;
    color: #fff;
}

.npj-issue-header .npj-issue-subtitle {
    font-size: 1.1em;
    opacity: 0.85;
}

.npj-issue-header .npj-issue-date-display {
    margin-top: 8px;
    opacity: 0.75;
    font-size: 0.95em;
}

/* Table of Contents */
.npj-toc {
    background: var(--npj-card-bg);
    padding: 25px;
    border-radius: var(--npj-radius);
    box-shadow: var(--npj-shadow);
    margin-bottom: 30px;
}

.npj-toc h2 {
    font-size: 1.3em;
    color: var(--npj-primary);
    margin: 0 0 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--npj-border);
}

.npj-toc-list {
    list-style: none;
    margin: 0;
    padding: 0;
    counter-reset: toc-counter;
}

.npj-toc-list li {
    counter-increment: toc-counter;
    padding: 10px 0;
    border-bottom: 1px solid var(--npj-border);
}

.npj-toc-list li:last-child {
    border-bottom: none;
}

.npj-toc-list li a {
    color: var(--npj-text);
    text-decoration: none;
    display: block;
    transition: color 0.2s ease;
}

.npj-toc-list li a:hover {
    color: var(--npj-primary-light);
}

.npj-toc-list li a .npj-toc-title {
    font-weight: 600;
}

.npj-toc-list li a .npj-toc-authors {
    display: block;
    font-size: 0.85em;
    color: var(--npj-text-muted);
    margin-top: 3px;
}

/* Articles Accordion */
.npj-articles-section h2 {
    font-size: 1.3em;
    color: var(--npj-primary);
    margin-bottom: 20px;
}

.npj-article-accordion {
    margin-bottom: 12px;
}

.npj-article-accordion details {
    background: var(--npj-card-bg);
    border-radius: var(--npj-radius);
    box-shadow: var(--npj-shadow);
    overflow: hidden;
}

.npj-article-accordion summary {
    padding: 16px 20px;
    cursor: pointer;
    font-weight: 600;
    color: var(--npj-primary-dark);
    background: var(--npj-bg);
    border-bottom: 1px solid var(--npj-border);
    list-style: none;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: background 0.2s ease;
}

.npj-article-accordion summary::-webkit-details-marker {
    display: none;
}

.npj-article-accordion summary::before {
    content: "▶";
    font-size: 0.7em;
    color: var(--npj-primary);
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

html[dir="rtl"] .npj-article-accordion summary::before {
    content: "◀";
}

.npj-article-accordion details[open] summary::before {
    transform: rotate(90deg);
}

html[dir="rtl"] .npj-article-accordion details[open] summary::before {
    transform: rotate(-90deg);
}

.npj-article-accordion summary:hover {
    background: #e8f0fe;
}

.npj-article-accordion .npj-article-content {
    padding: 20px;
}

/* Article inner content */
.npj-article-authors-display {
    font-size: 1.05em;
    color: var(--npj-primary);
    font-weight: 600;
    margin-bottom: 15px;
}

.npj-article-abstract {
    margin-bottom: 15px;
}

.npj-article-abstract h4 {
    font-size: 0.9em;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--npj-text-muted);
    margin: 0 0 8px;
}

.npj-article-abstract .npj-abstract-text {
    line-height: 1.8;
}

.npj-article-keywords {
    margin-bottom: 15px;
}

.npj-article-keywords h4 {
    font-size: 0.9em;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--npj-text-muted);
    margin: 0 0 8px;
}

.npj-keyword-tag {
    display: inline-block;
    background: var(--npj-bg);
    color: var(--npj-primary);
    padding: 3px 12px;
    border-radius: 15px;
    font-size: 0.85em;
    margin: 2px;
    border: 1px solid var(--npj-border);
}

.npj-article-meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    font-size: 0.9em;
    color: var(--npj-text-muted);
    margin-bottom: 15px;
    padding-top: 10px;
    border-top: 1px solid var(--npj-border);
}

.npj-article-meta-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* PDF Download Button */
.npj-pdf-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--npj-primary);
    color: #fff;
    padding: 10px 20px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.2s ease, transform 0.2s ease;
}

.npj-pdf-btn:hover {
    background: var(--npj-primary-light);
    transform: translateY(-1px);
    color: #fff;
}

.npj-pdf-btn .npj-pdf-icon {
    font-size: 1.2em;
}

/* Read More Button */
.npj-article-readmore {
    margin-top: 15px;
    padding-top: 12px;
    border-top: 1px dashed var(--npj-border);
    text-align: end;
}

.npj-readmore-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--npj-primary);
    font-weight: 600;
    font-size: 0.95em;
    text-decoration: none;
    padding: 6px 16px;
    border: 1px solid var(--npj-primary);
    border-radius: 20px;
    transition: all 0.2s ease;
}

.npj-readmore-btn:hover {
    background: var(--npj-primary);
    color: #fff;
    transform: translateX(3px);
}

html[dir="rtl"] .npj-readmore-btn:hover {
    transform: translateX(-3px);
}

/* Accordion Content Transitions (for JS animation) */
.npj-article-accordion .npj-article-content {
    transition: max-height 0.3s ease, opacity 0.3s ease;
}

/* =============================================
   Single Article Page
   ============================================= */
.npj-single-article {
    background: var(--npj-card-bg);
    padding: 35px;
    border-radius: var(--npj-radius);
    box-shadow: var(--npj-shadow);
}

.npj-single-article h1 {
    font-size: 1.6em;
    color: var(--npj-primary-dark);
    margin: 0 0 15px;
    line-height: 1.4;
}

.npj-breadcrumb {
    font-size: 0.9em;
    color: var(--npj-text-muted);
    margin-bottom: 20px;
}

.npj-breadcrumb a {
    color: var(--npj-primary-light);
    text-decoration: none;
}

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

.npj-breadcrumb .npj-sep {
    margin: 0 6px;
    opacity: 0.5;
}

/* =============================================
   Archive / List
   ============================================= */
.npj-archive-header {
    text-align: center;
    padding: 35px 20px;
    background: linear-gradient(135deg, var(--npj-primary-dark), var(--npj-primary));
    color: #fff;
    border-radius: var(--npj-radius);
    margin-bottom: 30px;
}

.npj-archive-header h1 {
    font-size: 1.8em;
    margin: 0;
    color: #fff;
}

.npj-journals-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.npj-journal-card {
    background: var(--npj-card-bg);
    border-radius: var(--npj-radius);
    overflow: hidden;
    box-shadow: var(--npj-shadow);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    text-decoration: none;
    color: inherit;
    display: block;
}

.npj-journal-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.npj-journal-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    background: var(--npj-bg);
}

.npj-journal-card-body {
    padding: 20px;
}

.npj-journal-card-body h2 {
    font-size: 1.2em;
    margin: 0 0 8px;
    color: var(--npj-primary-dark);
}

.npj-journal-card-body p {
    color: var(--npj-text-muted);
    font-size: 0.9em;
    margin: 0;
}

/* =============================================
   Cover Image with Focal Point
   ============================================= */
.npj-cover-wrap {
    position: relative;
    overflow: hidden;
    border-radius: var(--npj-radius);
    margin-bottom: 25px;
}

.npj-cover-img {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.npj-cover-wrap:hover .npj-cover-img {
    transform: scale(1.02);
}

/* =============================================
   Responsive
   ============================================= */
@media (max-width: 768px) {
    .npj-wrap {
        padding: 15px 10px;
    }

    .npj-journal-header,
    .npj-issue-header,
    .npj-archive-header {
        padding: 25px 15px;
    }

    .npj-journal-header h1,
    .npj-issue-header h1 {
        font-size: 1.4em;
    }

    .npj-highlight-cards {
        grid-template-columns: 1fr;
    }

    .npj-issues-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    }

    .npj-journal-meta {
        grid-template-columns: 1fr;
    }

    .npj-single-article {
        padding: 20px;
    }

    .npj-article-meta-row {
        flex-direction: column;
    }

    .npj-cover-img {
        max-height: 250px;
    }
}