/* =========================================
   SINGLE POST LAYOUT (GRID SİSTEMİ)
   ========================================= */
.main-layout {
    display: grid;
    grid-template-columns: 1fr; /* Mobil: Tek kolon */
    gap: 2rem;
    padding-top: 3rem;
    padding-bottom: 5rem;
    overflow: visible; /* Sticky için gerekli */
}

@media (min-width: 1024px) {
    .main-layout {
        /* Sol TOC (220px) - İçerik (Esnek) - Sağ Yazar (300px) */
        grid-template-columns: 220px minmax(0, 1fr) 300px;
        gap: 3rem;
        align-items: stretch; 
    }
    
    .d-lg-block { display: block !important; }
    
    /* İçerik içindeki mobil TOC'u gizle */
    .layout-content .erdolu-toc-container { display: none; }
    
    /* Yan Paneller */
    .layout-sidebar-left, 
    .layout-sidebar-right {
        height: 100%; 
        position: relative;
        contain: layout paint; 
    }

    /* Sticky Wrapper */
    .sticky-element {
        display: block;
        position: -webkit-sticky;
        position: sticky;
        top: 110px; /* Header + boşluk */
        max-height: calc(100vh - 120px);
        overflow-y: auto;
        scrollbar-width: thin;
        scrollbar-color: var(--clr-border) transparent;
        align-self: start; 
        z-index: 10;
        width: 100%;
    }
}

/* =========================================
   SOL SIDEBAR: TOC
   ========================================= */
.sidebar-toc {
    padding-left: 1rem;
    border-left: 2px solid var(--clr-border);
}

.sidebar-toc-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
    color: var(--clr-text-light);
    margin-bottom: 1rem;
}

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

.sidebar-toc li {
    margin-bottom: 0.6rem;
}

.sidebar-toc a {
    font-size: 0.9rem;
    color: var(--clr-text-light);
    line-height: 1.4;
    display: block;
    font-weight: 400;
    text-decoration: none;
    transition: color 0.2s, transform 0.2s;
}

.sidebar-toc a:hover {
    color: var(--clr-primary);
    transform: translateX(3px);
}

.toc-sidebar-h3 {
    margin-left: 1rem;
    font-size: 0.85rem;
}

/* =========================================
   ORTA KOLON: İÇERİK
   ========================================= */
.post-title {
    font-size: 2.5rem;
    color: var(--clr-secondary);
    margin: 1rem 0 1.5rem 0;
    line-height: 1.15;
    font-weight: 800;
}

/* Kategori Badge */
.post-category .cat-badge {
    display: inline-block;
    background: var(--clr-primary-light);
    color: var(--clr-primary);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 6px 12px;
    border-radius: 20px;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
    text-decoration: none;
}

/* Meta Header */
.post-meta-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--clr-border);
}

.meta-author-img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.meta-info {
    font-size: 0.9rem;
    line-height: 1.4;
}

.meta-author-name a {
    font-weight: 700;
    color: var(--clr-secondary);
}

.meta-details {
    color: var(--clr-text-light);
    font-size: 0.85rem;
}

/* İçerik Tipografisi */
.entry-content p { margin-bottom: 1.5rem; }
.entry-content h2 { font-size: 1.8rem; margin-top: 2.5rem; padding-bottom: 0.5rem; border-bottom: 2px solid var(--clr-border); color: var(--clr-secondary); font-weight: 700; }
.entry-content h3 { font-size: 1.4rem; margin-top: 2rem; color: var(--clr-secondary); font-weight: 700; }
.entry-content ul, .entry-content ol { margin-bottom: 1.5rem; padding-left: 1.5rem; }
.entry-content li { margin-bottom: 0.5rem; }

/* Keynote Box */
.erdolu-keynote-box {
    background-color: #fffbf7;
    border: 1px solid rgba(255, 87, 34, 0.15);
    border-radius: 12px;
    padding: 2rem;
    margin: 2.5rem 0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.keynote-title { display: inline-flex; align-items: center; gap: 0.5rem; color: var(--clr-primary); font-size: 1.1rem; font-weight: 800; margin-bottom: 1rem; text-transform: uppercase; }
.keynote-content { font-size: 1.05rem; color: var(--clr-secondary); font-weight: 500; }

/* AI Buttons */
.ai-summarize-section { margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px dashed rgba(0,0,0,0.1); display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; }
.ai-label { font-size: 0.85rem; font-weight: 700; color: var(--clr-text-light); text-transform: uppercase; }
.ai-buttons { display: flex; gap: 0.8rem; }
.ai-btn { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; background: #fff; border: 1px solid var(--clr-border); border-radius: 50%; transition: all 0.2s ease; }
.ai-btn:hover { border-color: var(--clr-primary); box-shadow: 0 4px 10px rgba(0,0,0,0.1); transform: scale(1.1); }

/* Breadcrumb */
.breadcrumb-nav { margin-bottom: 1rem; font-size: 0.85rem; color: var(--clr-text-light); }
.breadcrumb-list { display: flex; flex-wrap: wrap; list-style: none; gap: 0.5rem; padding: 0; }
.separator { color: #cbd5e1; }
.current-item { color: var(--clr-secondary); font-weight: 600; }

/* =========================================
   SAĞ SIDEBAR: YAZAR KARTI
   ========================================= */
.author-card {
    background: #fff;
    border: 1px solid var(--clr-border);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 15px -3px rgba(0, 0, 0, 0.05);
}
.author-card-img { width: 100px; height: 100px; border-radius: 50%; object-fit: cover; border: 4px solid #fff; box-shadow: 0 4px 10px rgba(0,0,0,0.1); display: inline-block; margin-bottom: 1rem; }
.author-card-name a { font-size: 1.2rem; color: var(--clr-secondary); font-weight: 700; text-decoration: none; }
.author-badges { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: 1rem 0; }
.author-badge { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; padding: 4px 10px; border-radius: 20px; background: var(--clr-surface); color: var(--clr-text-light); border: 1px solid var(--clr-border); }
.author-badge:nth-child(1) { background: #eef2ff; color: var(--clr-third); }
.author-badge:nth-child(2) { background: var(--clr-primary-light); color: var(--clr-primary); }
.author-bio { font-size: 0.9rem; color: var(--clr-text-light); margin-bottom: 1.5rem; line-height: 1.5; }
.author-socials { display: flex; justify-content: center; gap: 1rem; padding-top: 1rem; border-top: 1px solid var(--clr-border); }
.author-socials a:hover { transform: scale(1.15); }

/* =========================================
   ETİKETLER ALANI (ŞIK TASARIM)
   ========================================= */
.post-tags-container {
    margin-top: 3rem;
    padding: 2rem;
    background: var(--clr-surface);
    border-radius: 12px;
    border: 1px solid var(--clr-border);
}

.tags-heading {
    font-size: 1rem;
    font-weight: 700;
    color: var(--clr-secondary);
    margin-bottom: 1rem;
    display: block;
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.tag-cloud-link {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    background: #fff;
    border: 1px solid var(--clr-border);
    color: var(--clr-text);
    border-radius: 99px;
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    box-shadow: 0 1px 2px rgba(0,0,0,0.02);
}

.tag-cloud-link::before {
    content: '#';
    margin-right: 4px;
    color: var(--clr-primary);
    font-weight: 700;
}

.tag-cloud-link:hover {
    border-color: var(--clr-primary);
    color: var(--clr-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(255, 87, 34, 0.15);
}

/* =========================================
   İLGİLİ & SON YAZILAR (CARD GRID)
   ========================================= */
.related-posts-section,
.latest-posts-section {
    margin-top: 4rem;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--clr-secondary);
    margin-bottom: 2rem;
    position: relative;
    padding-left: 1rem;
}

.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 5px;
    bottom: 5px;
    width: 4px;
    background: var(--clr-primary);
    border-radius: 4px;
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

/* Post Kartı */
.post-card {
    background: #fff;
    border: 1px solid var(--clr-border);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.08);
    border-color: var(--clr-primary-light);
}

.post-card-thumb {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.post-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.post-card:hover .post-card-thumb img {
    transform: scale(1.05);
}

.post-card-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.post-card-cat {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--clr-primary);
    margin-bottom: 0.5rem;
    display: block;
    text-decoration: none;
}

.post-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--clr-secondary);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.post-card-title a {
    color: inherit;
    text-decoration: none;
}

.post-card-title a:hover {
    color: var(--clr-primary);
}

.post-card-meta {
    margin-top: auto;
    font-size: 0.8rem;
    color: var(--clr-text-light);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Yorum Alanı */
.post-comments-wrapper {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--clr-border);
    content-visibility: auto;
    contain-intrinsic-size: 1px 500px;
}

/* Responsive */
@media (max-width: 1023px) {
    .main-layout { grid-template-columns: 1fr; }
    .sidebar-toc, .author-card { display: none; }
    .layout-content .erdolu-toc-container { display: block; margin-bottom: 2rem; }
    .posts-grid { grid-template-columns: 1fr; } /* Mobilde tek kolon */
    .post-title { font-size: 2rem; }
}