/* =====================================================
   IDPAC Blog - Public Frontend Styles
   هماهنگ با هویت بصری سایت اصلی IDPAC
   ===================================================== */

* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --primary: #0a1428;
    --primary-light: #132240;
    --primary-card: rgba(19, 34, 64, 0.75);
    --gold: #c9a84c;
    --gold-light: #f0d060;
    --gold-glow: rgba(201, 168, 76, 0.15);
    --gold-glow-strong: rgba(201, 168, 76, 0.3);
    --neon-blue: #2b7aff;
    --neon-blue-light: #4a9aff;
    --neon-blue-glow: rgba(43, 122, 255, 0.12);
    --text-primary: #e8edf5;
    --text-secondary: #8899bb;
    --text-muted: #4a5a7a;
    --success: #00ff88;
    --danger: #ff4466;
    --warning: #ffaa33;
    --border-subtle: rgba(201, 168, 76, 0.08);
    --border-gold: rgba(201, 168, 76, 0.15);
    --border-blue: rgba(43, 122, 255, 0.12);
    --font: 'Vazirmatn', sans-serif;
    --font-cyber: 'Orbitron', monospace;
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --radius: 14px;
    --shadow-card: 0 8px 40px rgba(0, 0, 0, 0.4);
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--primary);
    color: var(--text-primary);
    line-height: 1.8;
    overflow-x: hidden;
    min-height: 100vh;
}

.container {
    width: 92%;
    max-width: 1240px;
    margin: 0 auto;
}

a { color: var(--gold); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--gold-light); }

img { max-width: 100%; height: auto; display: block; }

/* =====================================================
   Reading Progress Bar
   ===================================================== */
#readingProgress {
    position: fixed;
    top: 0;
    right: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(90deg, var(--gold), var(--neon-blue));
    z-index: 9999;
    box-shadow: 0 0 20px var(--gold-glow-strong);
    transition: width 0.1s linear;
}

/* =====================================================
   Top Bar (یکسان با سایت اصلی)
   ===================================================== */
.topbar {
    background: rgba(10, 20, 40, 0.95);
    backdrop-filter: blur(8px);
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
    padding: 8px 6%;
    font-size: 0.78rem;
    font-weight: 300;
    border-bottom: 2px solid var(--gold);
    position: relative;
    z-index: 100;
}

.topbar span { display: inline-flex; align-items: center; gap: 6px; }
.topbar .divider { color: rgba(255, 255, 255, 0.06); margin: 0 12px; }
.topbar .gold-dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    background: var(--gold);
    border-radius: 50%;
    margin-left: 6px;
    box-shadow: 0 0 20px var(--gold-glow-strong);
    animation: pulseGold 2s ease-in-out infinite;
}
@keyframes pulseGold {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.7); }
}

/* =====================================================
   Header (یکسان با سایت اصلی)
   ===================================================== */
.header {
    position: sticky;
    top: 0;
    z-index: 999;
    background: rgba(10, 20, 40, 0.88);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-subtle);
    transition: var(--transition);
}
.header.scrolled {
    background: rgba(10, 20, 40, 0.97);
    border-bottom-color: var(--border-gold);
    box-shadow: 0 4px 40px rgba(0, 0, 0, 0.6);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    flex-wrap: wrap;
    gap: 15px;
}

.logo { display: flex; align-items: center; gap: 14px; }
.logo img {
    max-height: 60px;
    filter: drop-shadow(0 0 20px var(--gold-glow));
    transition: var(--transition);
}
.logo img:hover { filter: drop-shadow(0 0 40px var(--gold-glow-strong)); }

.navbar ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
}
.navbar a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    position: relative;
    transition: var(--transition);
    padding: 4px 0;
}
.navbar a::after {
    content: '';
    position: absolute;
    bottom: 0; right: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--gold), var(--neon-blue));
    transition: var(--transition);
    box-shadow: 0 0 20px var(--gold-glow);
}
.navbar a:hover { color: var(--text-primary); }
.navbar a:hover::after, .navbar a.active::after { width: 100%; }
.navbar a.active { color: var(--gold); }

.btn-nav {
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: var(--primary) !important;
    padding: 10px 28px !important;
    border-radius: 50px;
    font-weight: 700 !important;
    transition: var(--transition);
    box-shadow: 0 4px 30px var(--gold-glow-strong);
}
.btn-nav::after { display: none !important; }
.btn-nav:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 50px var(--gold-glow-strong);
    color: var(--primary) !important;
}

/* =====================================================
   Blog Hero
   ===================================================== */
.blog-hero {
    padding: 60px 0 50px;
    background:
        radial-gradient(ellipse at 30% 40%, rgba(201,168,76,.04), transparent 60%),
        radial-gradient(ellipse at 70% 60%, rgba(43,122,255,.03), transparent 50%),
        var(--primary);
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--border-gold);
}

.blog-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(201,168,76,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(201,168,76,.06) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.4;
    pointer-events: none;
}

.blog-hero-inner {
    position: relative;
    z-index: 2;
    text-align: center;
}

.blog-hero-badge {
    display: inline-block;
    background: rgba(201, 168, 76, 0.08);
    color: var(--gold);
    font-size: 0.72rem;
    font-weight: 600;
    padding: 5px 20px;
    border-radius: 50px;
    letter-spacing: 2px;
    margin-bottom: 18px;
    border: 1px solid var(--border-gold);
    box-shadow: 0 0 30px var(--gold-glow);
}

.blog-hero h1 {
    font-size: 2.6rem;
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.blog-hero h1 .gold {
    color: var(--gold);
    text-shadow: 0 0 40px var(--gold-glow);
}

.blog-hero h1 .blue {
    color: var(--neon-blue-light);
    text-shadow: 0 0 40px var(--neon-blue-glow);
}

.blog-hero p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.9;
}

/* =====================================================
   Search Bar in Hero
   ===================================================== */
.blog-search {
    max-width: 560px;
    margin: 30px auto 0;
    display: flex;
    background: var(--primary-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-gold);
    border-radius: 50px;
    padding: 6px;
    box-shadow: 0 8px 30px rgba(0,0,0,.3);
    transition: var(--transition);
}

.blog-search:focus-within {
    border-color: var(--gold);
    box-shadow: 0 8px 40px rgba(0,0,0,.4), 0 0 40px var(--gold-glow);
}

.blog-search input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    padding: 10px 20px;
}

.blog-search input::placeholder { color: var(--text-muted); }

.blog-search button {
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: var(--primary);
    border: none;
    border-radius: 50px;
    padding: 10px 26px;
    font-family: inherit;
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.blog-search button:hover {
    box-shadow: 0 4px 20px var(--gold-glow-strong);
    transform: scale(1.02);
}

/* =====================================================
   Section
   ===================================================== */
.section {
    padding: 60px 0;
    border-bottom: 1px solid var(--border-gold);
    position: relative;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 36px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border-subtle);
    flex-wrap: wrap;
    gap: 12px;
}

.section-header h2 {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.section-header h2 .icon {
    color: var(--gold);
    font-size: 1.6rem;
    filter: drop-shadow(0 0 20px var(--gold-glow));
}

.section-header h2 .gold { color: var(--gold); text-shadow: 0 0 40px var(--gold-glow); }
.section-header h2 .blue { color: var(--neon-blue-light); text-shadow: 0 0 40px var(--neon-blue-glow); }

.section-header .view-all {
    color: var(--text-secondary);
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: 50px;
    border: 1px solid var(--border-subtle);
    transition: var(--transition);
}

.section-header .view-all:hover {
    color: var(--gold);
    border-color: var(--gold);
    background: rgba(201,168,76,.05);
    gap: 10px;
}

/* =====================================================
   Featured Hero Post
   ===================================================== */
.featured-hero {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 24px;
    margin-bottom: 36px;
}

.featured-main {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--primary-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-subtle);
    transition: var(--transition);
    min-height: 440px;
    display: flex;
    flex-direction: column;
}

.featured-main:hover {
    border-color: var(--gold);
    box-shadow: 0 20px 60px rgba(0,0,0,.5), 0 0 0 1px var(--gold), 0 0 40px var(--gold-glow);
    transform: translateY(-4px);
}

.featured-main .cover {
    height: 260px;
    background-size: cover;
    background-position: center;
    position: relative;
    flex-shrink: 0;
}

.featured-main .cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--primary-card) 5%, transparent 60%);
}

.featured-main .cover .category-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(10,20,40,.85);
    backdrop-filter: blur(8px);
    color: var(--gold);
    padding: 5px 16px;
    border-radius: 50px;
    font-size: 0.72rem;
    font-weight: 700;
    border: 1px solid var(--border-gold);
    z-index: 2;
}

.featured-main .cover .featured-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: var(--primary);
    padding: 5px 14px;
    border-radius: 50px;
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    z-index: 2;
    box-shadow: 0 4px 20px var(--gold-glow-strong);
}

.featured-main .body {
    padding: 24px 26px 26px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.featured-main h2 {
    font-size: 1.5rem;
    font-weight: 800;
    line-height: 1.5;
    color: var(--text-primary);
    margin-bottom: 12px;
    transition: var(--transition);
}

.featured-main:hover h2 { color: var(--gold); }

.featured-main .excerpt {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.9;
    margin-bottom: 18px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.featured-side {
    display: grid;
    grid-template-rows: 1fr 1fr;
    gap: 24px;
}

.featured-small {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--primary-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-subtle);
    display: flex;
    transition: var(--transition);
    min-height: 200px;
}

.featured-small:hover {
    border-color: var(--gold);
    box-shadow: 0 12px 40px rgba(0,0,0,.4), 0 0 0 1px var(--gold);
    transform: translateY(-4px);
}

.featured-small .cover {
    width: 40%;
    background-size: cover;
    background-position: center;
    flex-shrink: 0;
    position: relative;
}

.featured-small .cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to left, var(--primary-card), transparent);
}

.featured-small .body {
    padding: 20px 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-small .category-badge {
    color: var(--gold);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.featured-small h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: var(--transition);
}

.featured-small:hover h3 { color: var(--gold); }

/* =====================================================
   Post Meta
   ===================================================== */
.post-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.78rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.post-meta span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.post-meta .dot {
    width: 3px;
    height: 3px;
    background: var(--text-muted);
    border-radius: 50%;
}

/* =====================================================
   Posts Grid
   ===================================================== */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.post-card {
    background: var(--primary-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    position: relative;
}

.post-card::before {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold), var(--neon-blue), transparent);
    opacity: 0;
    transition: var(--transition);
    box-shadow: 0 0 40px var(--gold-glow);
    z-index: 2;
}

.post-card:hover::before { opacity: 1; }

.post-card:hover {
    transform: translateY(-8px);
    border-color: var(--gold);
    box-shadow: 0 20px 60px rgba(0,0,0,.5), 0 0 0 1px var(--gold), 0 0 40px var(--gold-glow);
}

.post-card .cover {
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
}

.post-card .cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10,20,40,.6), transparent 60%);
}

.post-card .cover .category-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(10,20,40,.85);
    backdrop-filter: blur(8px);
    color: var(--gold);
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 0.68rem;
    font-weight: 700;
    border: 1px solid var(--border-gold);
    z-index: 2;
}

.post-card .body {
    padding: 22px 20px 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.post-card h3 {
    font-size: 1.08rem;
    font-weight: 700;
    line-height: 1.55;
    color: var(--text-primary);
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: var(--transition);
    min-height: 3.1em;
}

.post-card:hover h3 { color: var(--gold); }

.post-card .excerpt {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.8;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.post-card .read-more {
    color: var(--neon-blue-light);
    font-size: 0.82rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.post-card:hover .read-more { color: var(--gold); gap: 12px; }

/* =====================================================
   Categories Section
   ===================================================== */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.category-card {
    background: var(--primary-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    padding: 22px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: block;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 3px;
    height: 100%;
    background: linear-gradient(180deg, var(--gold), var(--neon-blue));
    opacity: 0;
    transition: var(--transition);
    box-shadow: 0 0 30px var(--gold-glow);
}

.category-card:hover::before { opacity: 1; }

.category-card:hover {
    border-color: var(--gold);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,.3), 0 0 0 1px var(--gold);
}

.category-card .icon {
    font-size: 2rem;
    margin-bottom: 10px;
    filter: drop-shadow(0 0 20px var(--gold-glow));
}

.category-card h3 {
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 4px;
    transition: var(--transition);
}

.category-card:hover h3 { color: var(--gold); }

.category-card .count {
    color: var(--text-muted);
    font-size: 0.75rem;
}

/* =====================================================
   Single Post
   ===================================================== */
.post-hero {
    padding: 50px 0 0;
    background: var(--primary);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb .sep { color: var(--text-muted); opacity: 0.5; }

.post-header {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.post-header .category-badge {
    display: inline-block;
    background: rgba(201,168,76,.08);
    color: var(--gold);
    padding: 6px 18px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    border: 1px solid var(--border-gold);
    margin-bottom: 18px;
    box-shadow: 0 0 30px var(--gold-glow);
}

.post-header h1 {
    font-size: 2.2rem;
    font-weight: 900;
    line-height: 1.4;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.post-header .meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 30px;
}

.post-header .meta span { display: inline-flex; align-items: center; gap: 6px; }

.post-cover {
    max-width: 1000px;
    margin: 0 auto;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border-gold);
    box-shadow: 0 20px 60px rgba(0,0,0,.5), 0 0 0 1px var(--gold), 0 0 60px var(--gold-glow);
}

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

.post-content-wrapper {
    max-width: 800px;
    margin: 50px auto;
    padding: 0 20px;
}

.post-content {
    color: var(--text-primary);
    font-size: 1.05rem;
    line-height: 2.1;
    text-align: justify;
}

.post-content h2 {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 800;
    margin: 40px 0 16px;
    padding-right: 16px;
    border-right: 4px solid var(--gold);
    line-height: 1.5;
}

.post-content h3 {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 700;
    margin: 32px 0 12px;
    line-height: 1.5;
}

.post-content h4 {
    color: var(--gold);
    font-size: 1.1rem;
    font-weight: 700;
    margin: 24px 0 10px;
}

.post-content p { margin-bottom: 20px; }

.post-content a {
    color: var(--neon-blue-light);
    border-bottom: 1px dashed rgba(74,154,255,.4);
    transition: var(--transition);
}

.post-content a:hover {
    color: var(--gold);
    border-bottom-color: var(--gold);
}

.post-content ul, .post-content ol {
    margin: 20px 0;
    padding-right: 30px;
}

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

.post-content blockquote {
    background: rgba(201,168,76,.04);
    border-right: 4px solid var(--gold);
    padding: 20px 24px;
    border-radius: 0 12px 12px 0;
    margin: 24px 0;
    color: var(--text-secondary);
    font-style: italic;
    box-shadow: inset 0 0 40px rgba(201,168,76,.02);
}

.post-content code {
    background: rgba(43,122,255,.1);
    color: var(--neon-blue-light);
    padding: 3px 10px;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-size: 0.92em;
    direction: ltr;
    display: inline-block;
}

.post-content pre {
    background: rgba(0,0,0,.4);
    border: 1px solid var(--border-blue);
    border-radius: 10px;
    padding: 18px 22px;
    overflow-x: auto;
    margin: 24px 0;
    direction: ltr;
    text-align: left;
    position: relative;
}

.post-content pre::before {
    content: 'CODE';
    position: absolute;
    top: 6px;
    left: 12px;
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 2px;
    font-family: var(--font-cyber);
}

.post-content pre code {
    background: transparent;
    color: var(--text-primary);
    padding: 0;
    display: block;
    line-height: 1.6;
}

.post-content img {
    border-radius: 12px;
    margin: 24px auto;
    border: 1px solid var(--border-subtle);
    box-shadow: 0 12px 40px rgba(0,0,0,.4);
}

.post-content hr {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold), var(--neon-blue), var(--gold), transparent);
    margin: 40px 0;
    opacity: 0.4;
}

.post-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    background: rgba(255,255,255,.02);
    border-radius: 10px;
    overflow: hidden;
}

.post-content th,
.post-content td {
    padding: 12px 16px;
    text-align: right;
    border-bottom: 1px solid var(--border-subtle);
}

.post-content th {
    background: rgba(201,168,76,.06);
    color: var(--gold);
    font-weight: 700;
    font-size: 0.9rem;
}

/* =====================================================
   Share Buttons
   ===================================================== */
.share-buttons {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px 0;
    margin: 30px 0;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    flex-wrap: wrap;
}

.share-buttons .label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    margin-left: 8px;
}

.share-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,.03);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.05rem;
    text-decoration: none;
}

.share-btn:hover {
    transform: translateY(-3px);
    color: var(--gold);
    border-color: var(--gold);
    background: rgba(201,168,76,.06);
    box-shadow: 0 6px 20px var(--gold-glow);
}

.share-btn.telegram:hover { color: #2b8fd9; border-color: #2b8fd9; }
.share-btn.twitter:hover  { color: #1d9bf0; border-color: #1d9bf0; }
.share-btn.linkedin:hover { color: #0a66c2; border-color: #0a66c2; }
.share-btn.whatsapp:hover { color: #25d366; border-color: #25d366; }

/* =====================================================
   Author Box
   ===================================================== */
.author-box {
    background: var(--primary-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    gap: 18px;
    margin: 40px 0;
    align-items: center;
}

.author-box .avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary);
    font-weight: 800;
    flex-shrink: 0;
    box-shadow: 0 0 30px var(--gold-glow-strong);
}

.author-box .info { flex: 1; }

.author-box .name {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 4px;
}

.author-box .bio {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.7;
}

/* =====================================================
   Post Navigation
   ===================================================== */
.post-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 40px 0;
}

.post-nav-item {
    background: var(--primary-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    padding: 18px 22px;
    transition: var(--transition);
    display: block;
    text-decoration: none;
}

.post-nav-item:hover {
    border-color: var(--gold);
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0,0,0,.4);
}

.post-nav-item .label {
    color: var(--text-muted);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.post-nav-item h4 {
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.5;
    transition: var(--transition);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-nav-item:hover h4 { color: var(--gold); }
.post-nav-item.next { text-align: left; }

/* =====================================================
   Related Posts
   ===================================================== */
.related-section {
    padding: 50px 0;
    background: var(--primary);
    border-top: 1px solid var(--border-gold);
}

/* =====================================================
   Pagination
   ===================================================== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.pagination a,
.pagination span {
    min-width: 42px;
    height: 42px;
    padding: 0 14px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-card);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    font-size: 0.88rem;
    font-weight: 600;
    transition: var(--transition);
}

.pagination a:hover {
    border-color: var(--gold);
    color: var(--gold);
    background: rgba(201,168,76,.05);
    transform: translateY(-2px);
}

.pagination .current {
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: var(--primary);
    border-color: var(--gold);
    box-shadow: 0 4px 20px var(--gold-glow-strong);
}

.pagination .disabled {
    opacity: 0.3;
    pointer-events: none;
}

/* =====================================================
   Empty State
   ===================================================== */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-secondary);
}

.empty-state .icon {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.3;
}

.empty-state h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.empty-state p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

/* =====================================================
   Buttons
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 50px;
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: var(--primary);
    box-shadow: 0 4px 30px var(--gold-glow-strong);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 50px var(--gold-glow-strong);
    color: var(--primary);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--border-gold);
    color: var(--text-secondary);
}

.btn-outline:hover {
    border-color: var(--gold);
    color: var(--gold);
    background: rgba(201,168,76,.05);
    transform: translateY(-3px);
    box-shadow: 0 8px 40px var(--gold-glow);
}

/* =====================================================
   Footer (هماهنگ با سایت اصلی)
   ===================================================== */
footer {
    background: rgba(10, 20, 40, 0.98);
    backdrop-filter: blur(6px);
    border-top: 2px solid var(--gold);
    box-shadow: 0 -4px 40px rgba(0, 0, 0, 0.5);
    padding: 50px 0 20px;
    margin-top: 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1.5fr 1.5fr 2fr;
    gap: 35px;
    margin-bottom: 35px;
}

.footer-col h4 {
    color: var(--gold);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 14px;
    position: relative;
    padding-bottom: 8px;
    text-shadow: 0 0 30px var(--gold-glow);
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, var(--gold), var(--neon-blue));
    border-radius: 4px;
    box-shadow: 0 0 30px var(--gold-glow);
}

.footer-col p,
.footer-col a {
    color: var(--text-secondary);
    font-size: 0.88rem;
    text-decoration: none;
    display: block;
    margin-bottom: 6px;
    transition: var(--transition);
    line-height: 1.8;
}

.footer-col a:hover {
    color: var(--gold);
    padding-right: 6px;
    text-shadow: 0 0 20px var(--gold-glow);
}

.footer-col .social {
    display: flex;
    gap: 14px;
    margin-top: 10px;
}

.footer-col .social a {
    font-size: 1.4rem;
    color: var(--text-muted);
    transition: var(--transition);
    margin-bottom: 0;
}

.footer-col .social a:hover {
    color: var(--gold);
    transform: translateY(-4px);
    text-shadow: 0 0 30px var(--gold-glow);
}

.copyright {
    text-align: center;
    padding: 20px 0 8px;
    border-top: 1px solid rgba(255,255,255,.03);
    color: var(--text-muted);
    font-size: 0.78rem;
    font-weight: 300;
}

.copyright .gold-text { color: var(--gold); }

/* =====================================================
   Back to Top
   ===================================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-gold);
    color: var(--gold);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transform: translateY(20px);
}

.back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.back-to-top:hover {
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 30px var(--gold-glow-strong);
}

/* =====================================================
   Archive Header (Category/Tag/Search)
   ===================================================== */
.archive-header {
    padding: 60px 0 40px;
    text-align: center;
    background: var(--primary);
    border-bottom: 1px solid var(--border-gold);
    position: relative;
}

.archive-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(201,168,76,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(201,168,76,.06) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
    pointer-events: none;
}

.archive-header .inner {
    position: relative;
    z-index: 2;
}

.archive-header .label {
    color: var(--gold);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 3px;
    margin-bottom: 12px;
}

.archive-header h1 {
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.4;
}

.archive-header .description {
    color: var(--text-secondary);
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

.archive-header .count {
    display: inline-block;
    margin-top: 16px;
    background: rgba(201,168,76,.08);
    color: var(--gold);
    padding: 4px 18px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid var(--border-gold);
}

/* =====================================================
   Comments
   ===================================================== */
.comments-section {
    max-width: 800px;
    margin: 40px auto;
    padding: 0 20px;
}

.comments-section h3 {
    color: var(--text-primary);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.comment {
    background: var(--primary-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
    transition: var(--transition);
}

.comment:hover {
    border-color: var(--border-gold);
}

.comment .header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    position: static;
    background: transparent;
    border: none;
    padding: 0;
    box-shadow: none;
}

.comment .avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1rem;
    flex-shrink: 0;
}

.comment .name {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 0.9rem;
}

.comment .date {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.comment .body {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.8;
}

/* Comment Form */
.comment-form {
    background: var(--primary-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-gold);
    border-radius: var(--radius);
    padding: 24px;
    margin-top: 30px;
}

.comment-form h3 {
    color: var(--gold);
    font-size: 1.1rem;
    margin-bottom: 20px;
    text-shadow: 0 0 30px var(--gold-glow);
}

.comment-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 14px;
}

.comment-form .form-group { margin-bottom: 14px; }

.comment-form label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.82rem;
    margin-bottom: 6px;
    font-weight: 500;
}

.comment-form input,
.comment-form textarea {
    width: 100%;
    padding: 11px 15px;
    background: rgba(255,255,255,.03);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    transition: var(--transition);
    outline: none;
}

.comment-form input:focus,
.comment-form textarea:focus {
    border-color: var(--gold);
    box-shadow: 0 0 30px var(--gold-glow);
    background: rgba(255,255,255,.05);
}

.comment-form textarea { resize: vertical; min-height: 120px; }

/* =====================================================
   Alerts
   ===================================================== */
.alert {
    padding: 14px 18px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 0.88rem;
    line-height: 1.7;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.alert-success { background: rgba(0,255,136,.06); border: 1px solid rgba(0,255,136,.2); color: #66ffaa; }
.alert-error   { background: rgba(255,68,102,.08); border: 1px solid rgba(255,68,102,.2); color: #ff8899; }
.alert-info    { background: rgba(43,122,255,.06); border: 1px solid rgba(43,122,255,.2); color: #88bbff; }

/* =====================================================
   Responsive
   ===================================================== */
@media (max-width: 1024px) {
    .featured-hero { grid-template-columns: 1fr; }
    .featured-side { grid-template-rows: 1fr 1fr; }
    .posts-grid { grid-template-columns: repeat(2, 1fr); }
    .categories-grid { grid-template-columns: repeat(3, 1fr); }
    .footer-content { grid-template-columns: repeat(2, 1fr); }
    .post-header h1 { font-size: 1.8rem; }
    .blog-hero h1 { font-size: 2rem; }
}

@media (max-width: 768px) {
    .topbar {
        flex-direction: column;
        align-items: center;
        gap: 4px;
        font-size: 0.7rem;
        padding: 6px 4%;
        text-align: center;
    }
    .topbar .divider { display: none; }
    
    .nav-container { flex-direction: column; gap: 12px; }
    .navbar ul { gap: 16px; justify-content: center; }
    .navbar a { font-size: 0.82rem; }
    .btn-nav { padding: 8px 20px !important; font-size: 0.8rem !important; }
    .logo img { max-height: 45px; }
    
    .blog-hero { padding: 40px 0 30px; }
    .blog-hero h1 { font-size: 1.6rem; }
    .blog-hero p { font-size: 0.92rem; }
    .blog-search { padding: 4px; }
    .blog-search button { padding: 8px 18px; font-size: 0.8rem; }
    
    .section { padding: 40px 0; }
    .section-header { margin-bottom: 24px; }
    .section-header h2 { font-size: 1.3rem; }
    
    .posts-grid { grid-template-columns: 1fr; gap: 18px; }
    .categories-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    
    .featured-main { min-height: auto; }
    .featured-main .cover { height: 200px; }
    .featured-main h2 { font-size: 1.2rem; }
    .featured-small { flex-direction: column; }
    .featured-small .cover { width: 100%; height: 140px; }
    .featured-small .cover::after {
        background: linear-gradient(to top, var(--primary-card), transparent);
    }
    
    .post-header { padding: 0 15px; }
    .post-header h1 { font-size: 1.5rem; }
    .post-header .meta { font-size: 0.78rem; gap: 12px; }
    
    .post-content { font-size: 0.98rem; line-height: 2; }
    .post-content h2 { font-size: 1.25rem; }
    .post-content h3 { font-size: 1.1rem; }
    
    .post-nav { grid-template-columns: 1fr; }
    .post-nav-item.next { text-align: right; }
    
    .author-box { flex-direction: column; text-align: center; }
    
    .comment-form .form-row { grid-template-columns: 1fr; }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 25px;
    }
    .footer-col h4::after {
        right: 50%;
        transform: translateX(50%);
    }
    .footer-col .social { justify-content: center; }
    
    .archive-header { padding: 40px 0 30px; }
    .archive-header h1 { font-size: 1.5rem; }
    
    .back-to-top { bottom: 20px; left: 20px; width: 42px; height: 42px; }
}

@media (max-width: 480px) {
    .blog-hero h1 { font-size: 1.3rem; }
    .section-header h2 { font-size: 1.15rem; }
    .posts-grid { gap: 14px; }
    .post-card .cover { height: 170px; }
    .post-card h3 { font-size: 0.98rem; }
    .categories-grid { grid-template-columns: 1fr 1fr; }
    .category-card { padding: 16px 12px; }
    .category-card .icon { font-size: 1.5rem; }
    .category-card h3 { font-size: 0.85rem; }
    
    .post-header h1 { font-size: 1.25rem; }
    .post-content { font-size: 0.92rem; }
    .post-content h2 { font-size: 1.15rem; }
    .post-content blockquote { padding: 16px 18px; }
    .post-content pre { padding: 14px 16px; font-size: 0.82rem; }
    
    .share-buttons { justify-content: center; }
}