/* =========================================
   Ayeneh Single Post — single-post.css
   100% متغیرهای ayeneh-root.css
   ========================================= */

/* ==========================================
   PROGRESS BAR (نوار وضعیت خواندن)
   ========================================== */
.ayeneh-post-progress {
    position: fixed;
    top: 2px;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--glass-bg);
    z-index: 99999;
    backdrop-filter: blur(10px);
}

.progress-bar {
    height: 100%;
    background: linear-gradient(
        90deg,
        var(--color-primary) 0%,
        var(--color-secondary) 100%
    );
    width: 0%;
    transition: width 0.1s ease-out;
    box-shadow: 0 0 10px var(--color-primary);
}

/* ==========================================
   LAYOUT — دو ستونه
   ========================================== */
.ayeneh-single-post-container {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 32px;
    max-width: 1300px;
    margin: 40px auto;
    padding: 0 20px;
    align-items: start;
}

/* ==========================================
   SIDEBAR TOC
   ========================================== */
.ayeneh-post-sidebar {
    position: sticky;
    top: 150px;
    max-height: calc(100vh - 170px);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--color-primary) transparent;
}

.ayeneh-post-sidebar::-webkit-scrollbar      { width: 4px; }
.ayeneh-post-sidebar::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 4px;
}

.sidebar-toc {
    padding: 22px !important;
}

.toc-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--glass-border);
}

.toc-header-icon {
    color: var(--color-secondary);
    font-size: 1rem;
}

.toc-header h3 {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-heading);
    font-family: var(--font-fa-heading);
}

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

.toc-item {
    margin-bottom: 2px;
}

.toc-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 12px;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.88rem;
    line-height: 1.5;
    border-radius: var(--border-radius-sm);
    border-right: 3px solid transparent;
    transition: var(--transition-base);
}

.toc-link:hover {
    background: var(--glass-bg);
    color: var(--color-primary);
    border-right-color: var(--color-primary);
}

.toc-link.active {
    background: var(--glass-bg);
    color: var(--color-secondary);
    border-right-color: var(--color-secondary);
    font-weight: 600;
}

.toc-arrow {
    font-size: 0.75rem;
    opacity: 0.5;
    transition: var(--transition-base);
    flex-shrink: 0;
}

.toc-link.active .toc-arrow,
.toc-link:hover .toc-arrow {
    opacity: 1;
    transform: translateX(-3px);
}

/* ==========================================
   MAIN CONTENT
   ========================================== */
.ayeneh-post-main {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* ==========================================
   POST HEADER
   ========================================== */
.post-header {
    padding: 36px !important;
}

.post-category {
    display: inline-block;
    background: var(--color-secondary);
    color: #000;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 5px 14px;
    border-radius: 50px;
    text-decoration: none;
    letter-spacing: 0.5px;
    margin-bottom: 18px;
    transition: var(--transition-base);
}

.post-category:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.post-title {
    font-size: clamp(1.7rem, 4vw, 2.6rem);
    font-weight: 800;
    line-height: 1.3;
    color: var(--color-heading);
    margin: 0 0 20px;
    font-family: var(--font-fa-heading);
}

.post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 7px;
    color: var(--color-text-secondary);
    font-size: 0.88rem;
}

.meta-item i {
    color: var(--color-secondary);
    font-size: 0.9rem;
}

.post-excerpt {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    padding-top: 16px;
    border-top: 1px solid var(--glass-border);
    margin: 0;
}

/* ==========================================
   FEATURED IMAGE
   ========================================== */
.post-featured-image {
    border-radius: var(--border-radius-base);
    overflow: hidden;
    box-shadow: var(--shadow-lg, 0 10px 40px rgba(0,0,0,0.3));
}

.post-featured-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.4s ease;
}

.post-featured-image:hover img {
    transform: scale(1.02);
}

/* ==========================================
   POST CONTENT
   ========================================== */
.post-content {
    padding: 40px !important;
    font-size: 1.05rem;
    line-height: 1.95;
    color: var(--color-text);
}

.post-content h2 {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--color-heading);
    margin: 44px 0 18px;
    padding-top: 22px;
    border-top: 2px solid var(--color-secondary);
    scroll-margin-top: 110px;
    font-family: var(--font-fa-heading);
}

.post-content h2:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.post-content h3 {
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--color-heading);
    margin: 32px 0 14px;
    font-family: var(--font-fa-heading);
}

.post-content h4 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-heading);
    margin: 24px 0 10px;
}

.post-content p {
    margin-bottom: 18px;
}

.post-content a {
    color: var(--color-primary);
    text-decoration: underline;
    transition: var(--transition-base);
}

.post-content a:hover {
    color: var(--color-secondary);
}

.post-content ul,
.post-content ol {
    margin: 18px 0;
    padding-right: 20px;
}

.post-content li {
    margin-bottom: 8px;
}

.post-content blockquote {
    background: var(--glass-bg);
    border-right: 4px solid var(--color-secondary);
    padding: 18px 22px;
    margin: 28px 0;
    border-radius: var(--border-radius-sm);
    font-style: italic;
    color: var(--color-text-secondary);
}

.post-content code {
    background: var(--glass-bg);
    padding: 2px 7px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.88em;
    color: var(--color-secondary);
}

.post-content pre {
    background: var(--glass-bg);
    padding: 20px;
    border-radius: var(--border-radius-sm);
    overflow-x: auto;
    margin: 20px 0;
    border: 1px solid var(--glass-border);
}

.post-content pre code {
    background: none;
    padding: 0;
    color: inherit;
}

.post-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-sm);
    margin: 20px 0;
}

.post-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
}

.post-content th,
.post-content td {
    padding: 10px 14px;
    border: 1px solid var(--glass-border);
    text-align: right;
}

.post-content th {
    background: var(--glass-bg);
    font-weight: 600;
    color: var(--color-heading);
}

/* ==========================================
   POST TAGS
   ========================================== */
.post-tags {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    padding: 20px 24px !important;
}

.post-tags > i {
    color: var(--color-secondary);
    font-size: 1rem;
    flex-shrink: 0;
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-item {
    display: inline-block;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--color-text);
    padding: 5px 12px;
    border-radius: 50px;
    font-size: 0.82rem;
    text-decoration: none;
    transition: var(--transition-base);
}

.tag-item:hover {
    background: var(--color-secondary);
    color: #fff;
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

/* ==========================================
   SHARE BUTTONS
   ========================================== */
.post-share {
    padding: 28px !important;
}

.post-share h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-heading);
    margin: 0 0 20px;
    font-family: var(--font-fa-heading);
}

.post-share h3 i {
    color: var(--color-secondary);
}

.share-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 16px;
    border-radius: var(--border-radius-sm);
    font-size: 0.88rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-base);
    color: #fff;
    border: none;
    cursor: pointer;
    font-family: var(--font-fa-body);
}

.share-btn i { font-size: 1rem; }

.share-btn.twitter  { background: #1DA1F2; }
.share-btn.facebook { background: #1877F2; }
.share-btn.linkedin { background: #0A66C2; }
.share-btn.telegram { background: #0088cc; }
.share-btn.whatsapp { background: #25D366; }

.share-btn.copy-link {
    background: var(--color-secondary);
    border: 1px solid var(--glass-border);
    color: var(--color-text) !important;
}

.share-btn.copy-link.copied {
    background: #22c55e;
    color: #fff;
    border-color: #22c55e;
}

.share-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
    color: #fff;
}

/* ==========================================
   POST NAVIGATION - نسخه نهایی صحیح
   ========================================== */
.post-navigation {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    gap: 20px;
}

/* حالت تک آیتم */
.post-navigation.only-prev {
    justify-content: flex-start;
}

.post-navigation.only-next {
    justify-content: flex-end;
}

/* ==========================================
   NAV ITEM - کارت‌های ناوبری
   ========================================== */
.nav-item {
    display: flex;
    align-items: center;
    gap: 15px;
    flex: 1;
    max-width: 48%;
    min-width: 0;
    
    padding: 20px;
    background: var(--color-glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-glass-border);
    border-radius: 15px;
    
    text-decoration: none;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* تک آیتم بدون محدودیت width */
.post-navigation.only-prev .nav-item,
.post-navigation.only-next .nav-item {
    max-width: 400px;
}

.nav-item:hover {
    background: linear-gradient(135deg, var(--color-shadow-hover-rgba), var(--color-shadow-rgba));
    border-color: var(--color-secondary);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--shadow-md);
}

/* ==========================================
   جهت‌گیری RTL/LTR - دسکتاپ
   ========================================== */
/* LTR: قبلی سمت چپ، بعدی سمت راست */
[dir="ltr"] .nav-item.nav-prev {
    flex-direction: row-reverse;
}

[dir="ltr"] .nav-item.nav-next {
    flex-direction: row-reverse;
}

/* RTL: قبلی سمت راست، بعدی سمت چپ */
[dir="rtl"] .nav-item.nav-prev {
    flex-direction: row;
}

[dir="rtl"] .nav-item.nav-next {
    flex-direction: row;
}

/* ==========================================
   NAV ICON - آیکون‌ها
   ========================================== */
.nav-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    
    background: rgba(212, 175, 55, 0.15);
    border-radius: 50%;
    color: var(--color-secondary);
    font-size: 1.4rem;
    
    transition: all 0.3s ease;
}

.nav-item:hover .nav-icon {
    background: var(--color-secondary);
    color: #000;
    transform: scale(1.1);
}

/* ==========================================
   NAV CONTENT - محتوای متنی
   ========================================== */
.nav-content {
    display: flex;
    flex-direction: column;
    gap: 5px;
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

/* تراز متن براساس جهت */
[dir="ltr"] .nav-item.nav-prev .nav-content {
    text-align: left;
}

[dir="ltr"] .nav-item.nav-next .nav-content {
    text-align: left;
}

[dir="rtl"] .nav-item.nav-prev .nav-content {
    text-align: right;
}

[dir="rtl"] .nav-item.nav-next .nav-content {
    text-align: right;
}

/* ==========================================
   NAV LABEL - برچسب
   ========================================== */
.nav-label {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
    transition: color 0.3s ease;
}

.nav-item:hover .nav-label {
    color: var(--color-secondary);
}

/* ==========================================
   NAV TITLE - عنوان
   ========================================== */
.nav-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-heading);
    line-height: 1.4;
    
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: break-word;
    
    transition: color 0.3s ease;
}

.nav-item:hover .nav-title {
    color: var(--color-secondary);
}


/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 1024px) {
    .ayeneh-single-post-container {
        grid-template-columns: 1fr;
    }

    .ayeneh-post-sidebar {
        position: static;
        max-height: none;
    }

    .sidebar-toc {
        max-height: 320px;
        overflow-y: auto;
    }

    .post-navigation {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-item {
        max-width: 100%;
    }
    
    .post-navigation.only-prev .nav-item,
    .post-navigation.only-next .nav-item {
        max-width: 100%;
    }
    
    /* حفظ جهت در تبلت */
    [dir="ltr"] .nav-item.nav-prev,
    [dir="rtl"] .nav-item.nav-next {
        flex-direction: row;
    }
    
    [dir="ltr"] .nav-item.nav-next,
    [dir="rtl"] .nav-item.nav-prev {
        flex-direction: row-reverse;
    }
    
    /* تراز متن */
    [dir="ltr"] .nav-content {
        text-align: left;
    }
    
    [dir="rtl"] .nav-content {
        text-align: right;
    }
}

@media (max-width: 768px) {
    .ayeneh-single-post-container {
        padding: 0 12px;
        margin: 20px auto;
        gap: 20px;
    }

    .post-header  { padding: 22px !important; }
    .post-content { padding: 22px !important; font-size: 1rem; }

    .post-title { font-size: 1.5rem; }

    .share-buttons {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .share-btn { justify-content: center; }
}

@media (max-width: 480px) {
    .share-buttons { grid-template-columns: 1fr; }
}

/* ==========================================
   RTL
   ========================================== */
[dir="rtl"] .toc-link {
    border-right: 3px solid transparent;
    border-left: none;
}

[dir="rtl"] .toc-link:hover,
[dir="rtl"] .toc-link.active {
    border-right-color: var(--color-secondary);
}

[dir="rtl"] .post-content blockquote {
    border-right: 4px solid var(--color-secondary);
    border-left: none;
}

[dir="rtl"] .post-content ul,
[dir="rtl"] .post-content ol {
    padding-right: 20px;
    padding-left: 0;
}