/* مسیر فایل: assets/css/vira-frontend.css */
/* Vira Articles - Optimized & Isolated Frontend Styles (Glassmorphism Edition) */

:root {
    --vira-primary: #FF7F50; 
    --vira-secondary: #0056B3; 
    --vira-title-gradient-end: #E05A2B;
    --vira-card-bg: rgba(255, 255, 255, 0.65); /* تغییر به حالت نیمه‌شفاف برای گلس‌مورفیسم */
    --vira-text-color: #4A5568; 
    --vira-border-color: rgba(255, 255, 255, 0.4); /* حاشیه شیشه‌ای */
    --vira-meta-bg: #F8FAFC; 
    --vira-breadcrumb-bg: rgba(248, 250, 252, 0.5); /* شیشه‌ای */
    --vira-toc-header-bg: transparent; /* شفاف برای دیده شدن پس‌زمینه گلس */
    --vira-btn-bg-color: rgba(0, 0, 0, 0.03); 
    --vira-btn-text-color: #0056B3;
    --vira-btn-hover-bg-color: #0056B3; 
    --vira-btn-hover-text-color: #ffffff;
    --vira-tab-bg-color: rgba(255, 255, 255, 0.5); /* شیشه‌ای */
    --vira-tab-text-color: #4A5568;
    --vira-tab-active-start-color: #0056B3; 
    --vira-tab-active-end-color: #FF7F50;
    --vira-capsule-bg: rgba(248, 250, 252, 0.7); 
    --vira-capsule-text: var(--vira-text-color);
    --vira-capsule-link: var(--vira-secondary); 
    --vira-link-color: #0056B3;
    --vira-link-hover-color: #FF7F50; 
    --vira-toc-bg: rgba(248, 250, 252, 0.65); /* شیشه‌ای */
}

/* ==========================================
   ایزوله‌سازی شدید کانتینرها (جلوگیری از نشت استایل)
========================================== */
.vira-archive-shortcode-container, .vira-single-shortcode-container {
    direction: rtl; font-family: 'iransansxvf', Tahoma, sans-serif; font-feature-settings: "ss02"; width: 100%; box-sizing: border-box;
}
/* اعمال box-sizing فقط به فرزندان مستقیم افزونه تا منوی قالب خراب نشود */
.vira-archive-shortcode-container *, .vira-single-shortcode-container * { box-sizing: border-box; }

/* Grid System (جراحی نقطه‌ای: اسکرول افقی نرم برای دسکتاپ بر پایه ستون‌های داینامیک) */
.vira-slider-container {
    position: relative;
    width: 100%;
}

/* جراحی نقطه‌ای: افزایش شفافیت (گلس‌مورفیسم واقعی‌تر) */
.vira-slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    /* جراحی: کاهش غلظت پس‌زمینه برای شفافیت بیشتر */
    background: rgba(255, 255, 255, 0.15); 
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    /* جراحی: کاهش غلظت حاشیه برای ظرافت بیشتر */
    border: 1px solid rgba(255, 255, 255, 0.3); 
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 20; /* اطمینان از قرارگیری روی کارت‌ها */
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.35s ease; 
    color: var(--vira-primary);
    font-size: 1.2rem;
    font-weight: 900;
    user-select: none;
}

.vira-slider-nav:hover {
    background: var(--vira-primary);
    color: #fff;
    border-color: var(--vira-primary);
    transform: translateY(-50%) scale(1.05);
    box-shadow: 0 10px 30px rgba(255, 90, 0, 0.3);
}

.vira-slider-nav.prev::after { content: '❮'; }
.vira-slider-nav.next::after { content: '❯'; }

.vira-slider-nav.prev { right: 15px; }
.vira-slider-nav.next { left: 15px; }

@media (max-width: 992px) {
    .vira-slider-nav {
        display: var(--vira-nav-mobile-display, none);
    }
}

.vira-articles-wrapper { 
    display: grid; 
    grid-auto-flow: column; 
    grid-auto-columns: calc((100% - ((var(--cols-desktop, 3) - 1) * 30px)) / var(--cols-desktop, 3)); 
    gap: 30px; 
    margin: 15px 0;
    font-family: inherit; 
    direction: rtl; 
    overflow-x: auto; 
    scroll-snap-type: x mandatory; 
    scroll-behavior: smooth; 
    padding-top: 20px;
    padding-bottom: 20px; 
    -ms-overflow-style: none; 
    scrollbar-width: none; 
}
.vira-articles-wrapper::-webkit-scrollbar { 
    display: none; 
}

@media (max-width: 992px) { 
    .vira-articles-wrapper { 
        display: flex; 
        align-items: stretch !important;
        overflow-x: auto; 
        scroll-snap-type: x mandatory; 
        scroll-behavior: smooth; 
        gap: 20px; 
        padding-top: 20px; 
        padding-bottom: 20px; 
        -ms-overflow-style: none; 
        scrollbar-width: none; 
    } 
    .vira-articles-wrapper::-webkit-scrollbar { 
        display: none; 
    }
    
    .vira-article-card,
    .vira-view-all-card {
        flex: 0 0 42%; 
        scroll-snap-align: start;
        height: auto !important;
        align-self: stretch !important;
    }
}

@media (max-width: 576px) { 
    .vira-article-card,
    .vira-view-all-card {
        flex: 0 0 85%;
        height: auto !important; 
        align-self: stretch !important; 
    }
}

.vira-slider-container.vira-slider-disabled .vira-slider-nav {
    display: none !important;
}

.vira-slider-container.vira-slider-disabled .vira-articles-wrapper,
.vira-archive-grid-container .vira-articles-wrapper {
    display: grid !important;
    grid-auto-flow: row !important;
    grid-template-columns: repeat(var(--cols-desktop, 3), 1fr) !important;
    overflow: visible !important;
    scroll-snap-type: none !important;
}

@media (max-width: 992px) {
    .vira-slider-container.vira-slider-disabled .vira-articles-wrapper,
    .vira-archive-grid-container .vira-articles-wrapper {
        grid-template-columns: repeat(var(--cols-tablet, 2), 1fr) !important;
    }
    .vira-slider-container.vira-slider-disabled .vira-article-card,
    .vira-archive-grid-container .vira-article-card,
    .vira-slider-container.vira-slider-disabled .vira-view-all-card,
    .vira-archive-grid-container .vira-view-all-card {
        flex: unset !important;
    }
}

@media (max-width: 576px) {
    .vira-slider-container.vira-slider-disabled .vira-articles-wrapper,
    .vira-archive-grid-container .vira-articles-wrapper {
        grid-template-columns: repeat(var(--cols-mobile, 1), 1fr) !important;
    }
}

/* Tabs */
.vira-category-tabs { display: flex; flex-wrap: nowrap; justify-content: flex-start; gap: 12px; margin-bottom: 40px; list-style: none; padding: 0 0 10px 0; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; -ms-overflow-style: none; }
.vira-category-tabs::-webkit-scrollbar { display: none; }
.vira-category-tabs li { flex: 0 0 auto; }
@media (min-width: 768px) { .vira-category-tabs { justify-content: center; } }
.vira-tab-btn { background: var(--vira-tab-bg-color); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); color: var(--vira-tab-text-color); border: 1px solid var(--vira-border-color); padding: 8px 24px; border-radius: 50px; font-size: 0.95rem; font-weight: 600; cursor: pointer; transition: all 0.3s ease; font-family: inherit; box-shadow: 0 4px 15px rgba(31, 38, 135, 0.05); }
.vira-tab-btn:hover { background: rgba(255, 255, 255, 0.8); border-color: var(--vira-primary); color: var(--vira-primary); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(31, 38, 135, 0.1); }
.vira-tab-btn.active { background: linear-gradient(to right, var(--vira-tab-active-start-color), var(--vira-tab-active-end-color)); color: #fff; border-color: transparent; box-shadow: 0 6px 15px rgba(255, 90, 0, 0.25); text-shadow: 0 1px 2px rgba(0,0,0,0.1); }

/* Article Cards */
.vira-article-card { scroll-snap-align: start; background: var(--vira-card-bg); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border: 1px solid var(--vira-border-color); border-radius: 16px; overflow: hidden; transition: all 0.4s ease; display: flex; flex-direction: column; box-shadow: 0 8px 32px rgba(31, 38, 135, 0.06); height: 100%; }
.vira-article-card:hover { transform: translateY(-8px); box-shadow: 0 15px 45px rgba(31, 38, 135, 0.12); border-color: rgba(255, 255, 255, 0.8); }
.vira-article-thumb { overflow: hidden; border-radius: 16px 16px 0 0; position: relative; }
.vira-article-thumb::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 40%; background: linear-gradient(to top, rgba(0,0,0,0.05), transparent); pointer-events: none; }
.vira-article-thumb img { width: 100%; height: 240px; object-fit: cover; display: block; transition: transform 0.6s ease; }
.vira-article-card:hover .vira-article-thumb img { transform: scale(1.08); }
.vira-article-content { padding: 24px; flex-grow: 1; display: flex; flex-direction: column; }

.vira-article-title { 
    font-size: 1.3rem; 
    font-weight: 800; 
    margin: 0 0 15px; 
    line-height: 1.5; 
    display: -webkit-box; 
    -webkit-line-clamp: 2; 
    -webkit-box-orient: vertical; 
    overflow: hidden; 
    text-overflow: ellipsis; 
    min-height: 3.9rem;
}
.vira-article-title a { 
    color: var(--vira-text-color); 
    text-decoration: none; 
    transition: opacity 0.3s ease; 
}
.vira-article-title a:hover { opacity: 0.8; }

.vira-article-excerpt { font-size: 0.95rem; color: var(--vira-text-color); margin-bottom: 25px; flex-grow: 1; line-height: 1.8; text-align: justify; opacity: 0.9; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.vira-read-more { display: inline-flex; align-items: center; font-size: 0.9rem; font-weight: 700; color: var(--vira-btn-text-color); background: var(--vira-btn-bg-color); text-decoration: none; margin-top: auto; transition: all 0.3s ease; padding: 8px 16px; border-radius: 8px; align-self: flex-start; }
.vira-read-more::after { content: '←'; margin-right: 8px; transition: transform 0.3s ease; }
.vira-read-more:hover { background: var(--vira-btn-hover-bg-color); color: var(--vira-btn-hover-text-color); }
.vira-read-more:hover::after { transform: translateX(-5px); }

/* --- استایل اختصاصی کارت "مشاهده همه" (View All) --- */
.vira-view-all-card {
    border: 2px dashed color-mix(in srgb, var(--vira-primary) 35%, var(--vira-border-color)) !important;
    background: color-mix(in srgb, var(--vira-primary) 6%, var(--vira-card-bg)) !important;
    backdrop-filter: blur(12px); 
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.06); 
    transition: all 0.4s ease;
    display: flex !important;
    flex-direction: column;
    justify-content: center !important; 
    align-items: center !important;     
    margin: 0 !important; 
    height: 100%; 
}
.vira-view-all-card:hover {
    border-style: solid !important;
    border-color: var(--vira-primary) !important;
    background: color-mix(in srgb, var(--vira-primary) 15%, var(--vira-card-bg)) !important;
    box-shadow: 0 15px 45px rgba(31, 38, 135, 0.12);
}
.vira-view-all-card .vira-read-more {
    font-size: 0.95rem; 
    padding: 8px 20px; 
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid var(--vira-primary);
    color: var(--vira-primary);
    border-radius: 50px;
    /* جراحی: بهترین و قطعی‌ترین روش برای وسط‌چینی یک آیتم در فلکس‌باکس */
    margin: auto !important; 
}
/* ----------------------------------------------------------------- */

/* Pagination */
.vira-pagination { display: flex; justify-content: center; gap: 8px; margin-top: 40px; width: 100%; }
.vira-pagination > .page-numbers, .vira-pagination > span.current { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; background: rgba(248, 250, 252, 0.7); backdrop-filter: blur(5px); -webkit-backdrop-filter: blur(5px); color: var(--vira-text-color); text-decoration: none; font-weight: bold; border: 1px solid var(--vira-border-color); transition: all 0.3s ease; box-shadow: 0 4px 10px rgba(31, 38, 135, 0.05); }
.vira-pagination > a.page-numbers:hover { background: var(--vira-secondary); color: #fff; transform: translateY(-2px); border-color: var(--vira-secondary); }
.vira-pagination > span.current { background: var(--vira-primary); color: #fff; border-color: var(--vira-primary); box-shadow: 0 6px 15px rgba(255, 90, 0, 0.25); text-shadow: 0 1px 2px rgba(0,0,0,0.1); }

/* Single Article */
.vira-single-wrapper { max-width: 1400px; margin: 50px auto; padding: 0 20px; background: transparent; font-family: inherit; direction: rtl; }
.vira-breadcrumb { font-size: 0.9rem; color: var(--vira-text-color); margin-bottom: 25px; padding: 8px 15px; background: var(--vira-breadcrumb-bg); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border-radius: 8px; display: inline-flex; align-items: center; border: 1px solid var(--vira-border-color); flex-wrap: wrap; box-shadow: 0 4px 15px rgba(31, 38, 135, 0.03); }
.vira-breadcrumb p, .vira-breadcrumb div { margin: 0 !important; padding: 0 !important; }
.vira-breadcrumb a { color: var(--vira-secondary); text-decoration: none; font-weight: 600; transition: color 0.3s ease; }
.vira-breadcrumb a:hover { color: var(--vira-primary); }
.vira-breadcrumb span.separator { margin: 0 8px; color: var(--vira-text-color); opacity: 0.5; }
.vira-single-thumbnail img { width: 100%; height: auto; border-radius: 16px !important; margin-bottom: 30px; box-shadow: 0 15px 35px rgba(0,0,0,0.08); display: block; }
.vira-single-title { font-size: 2.8rem; font-weight: 900; margin-bottom: 25px; line-height: 1.4; color: var(--vira-text-color); }
.vira-single-meta { margin-bottom: 40px; border-bottom: 2px solid rgba(0,0,0,0.05); padding-bottom: 25px; display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.vira-meta-capsule { background: var(--vira-capsule-bg); backdrop-filter: blur(5px); -webkit-backdrop-filter: blur(5px); border: 1px solid var(--vira-border-color); color: var(--vira-capsule-text); padding: 6px 16px; border-radius: 50px; font-size: 0.85rem; font-weight: 600; display: inline-flex; align-items: center; box-shadow: 0 4px 10px rgba(31, 38, 135, 0.03); }
.vira-meta-capsule a { color: var(--vira-capsule-link); text-decoration: none; margin-right: 5px; transition: color 0.3s ease; }
.vira-meta-capsule a:hover { color: var(--vira-primary); }
.vira-single-content { font-size: 1.15rem; line-height: 2.2; color: var(--vira-text-color); text-align: justify; }
.vira-single-content h2, .vira-single-content h3 { border-right: 4px solid var(--vira-primary); padding-right: 15px; color: #1A202C; }
.vira-single-content a { color: var(--vira-link-color) !important; text-decoration: none; transition: color 0.3s ease; }
.vira-single-content a:hover { color: var(--vira-link-hover-color) !important; }
.vira-single-content img { border-radius: 12px !important; max-width: 100%; height: auto; }

/* TOC */
.vira-toc-container { margin: 30px 0; }
.vira-toc-details { background-color: var(--vira-toc-bg); backdrop-filter: blur(15px); -webkit-backdrop-filter: blur(15px); border: 1px solid var(--vira-border-color); border-radius: 12px; overflow: hidden; box-shadow: 0 8px 32px rgba(31, 38, 135, 0.05); }
.vira-toc-summary { background-color: var(--vira-toc-header-bg); padding: 20px 30px; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; outline: none; user-select: none; }
.vira-toc-summary::-webkit-details-marker { display: none; }
.vira-toc-text { font-size: 1.15rem; font-weight: 800; color: var(--vira-toc-title); }
.vira-toc-icon { font-size: 0 !important; width: 14px !important; height: 14px !important; border-bottom: 2px solid var(--vira-toc-title) !important; border-left: 2px solid var(--vira-toc-title) !important; border-radius: 2px !important; transform: translateY(-4px) rotate(-45deg) !important; transition: transform 0.4s ease !important; display: inline-block !important; margin-left: 8px; }
details[open] .vira-toc-icon, .vira-toc-icon.is-open { transform: translateY(2px) rotate(135deg) !important; }
.vira-toc-list { padding: 20px 30px 25px 30px; margin: 0; list-style: none; border-top: 1px solid rgba(0,0,0,0.05); }
.vira-toc-item { position: relative; padding-right: 18px; margin-bottom: 12px; list-style: none !important; }
.vira-toc-item:last-child { margin-bottom: 0; }
.vira-toc-item::before { content: ""; position: absolute; right: 0; top: 12px; width: 6px; height: 6px; background: var(--vira-toc-dot); border-radius: 50%; opacity: 0.6; }
.vira-toc-item a { color: var(--vira-text-color) !important; text-decoration: none; font-size: 0.95rem; font-weight: 500; transition: all 0.3s ease; display: block; line-height: 1.6; }
.vira-toc-item a:hover { color: var(--vira-link-hover-color) !important; transform: translateX(-3px); }

/* Other */
.vira-toc-shortcode-wrapper { margin-bottom: 30px; }
.vira-related-articles { margin-top: 0; border-top: none; padding-top: 0; }
.vira-related-title { margin-bottom: 20px; font-size: 1.5rem; font-weight: bold; color: var(--vira-text-color); }
.vira-comments-section { margin-top: 40px; }