/*
 * ============================================================
 *  Bireysel Yazar Web Sitesi — Ana Stil Dosyası
 *  Kaynak: docs/01-brand.md, docs/03-design-system.md
 *
 *  Felsefe: Apple zarafeti + Medium okunabilirliği + Notion sadeliği
 * ============================================================
 */

/* ── CSS Değişkenleri (docs/03-design-system.md) ────────────── */
:root {
    /* Renkler — Light Tema */
    --bg-color: #FBFBFD;
    --text-primary: #1D1D1F;
    --text-secondary: #86868B;
    --accent-color: #1A1A1A;
    --surface-color: #FFFFFF;
    --border-color: #E5E5EA;
    --hover-bg: rgba(0, 0, 0, 0.03);

    /* Tipografi (docs/01-brand.md) */
    --font-serif: 'Newsreader', 'Georgia', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    /* Boyutlar */
    --max-w-content: 720px;
    --max-w-wide: 1080px;
    --header-height: 64px;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2.5rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Geçişler (docs/14-animations.md) */
    --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);

    /* Gölgeler (docs/03-design-system.md) */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.06);

    /* Radyus */
    --radius: 6px;
    --radius-lg: 12px;
}

/* ── Dark Tema (docs/03-design-system.md) ───────────────────── */
[data-theme="dark"] {
    --bg-color: #0E0E10;
    --text-primary: #F4F4F6;
    --text-secondary: #98989F;
    --accent-color: #FFFFFF;
    --surface-color: #18181B;
    --border-color: #27272A;
    --hover-bg: rgba(255, 255, 255, 0.04);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.3);
}

/* ── Reset & Temeller ───────────────────────────────────────── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-sans);
    color: var(--text-primary);
    background-color: var(--bg-color);
    line-height: 1.7;
    transition: background-color 0.4s ease, color 0.4s ease;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

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

::selection {
    background-color: var(--accent-color);
    color: var(--bg-color);
}

/* ── Container ──────────────────────────────────────────────── */
.container {
    width: 100%;
    max-width: var(--max-w-content);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container--wide {
    max-width: var(--max-w-wide);
}

/* ── Okuma İlerleme Çubuğu (docs/14-animations.md) ─────────── */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    width: 0%;
    background: linear-gradient(90deg, var(--accent-color), var(--text-secondary));
    z-index: 1001;
    transition: width 0.1s linear;
    pointer-events: none;
}

/* ── Sticky Header (docs/02-ui-design.md) ───────────────────── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--header-height);
    background-color: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    background-color: rgba(251, 251, 253, 0.85);
    transition: var(--transition);
}

[data-theme="dark"] .site-header {
    background-color: rgba(14, 14, 16, 0.85);
}

.site-header.scrolled {
    box-shadow: var(--shadow-sm);
}

.header-nav {
    max-width: var(--max-w-wide);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Sol: Yazar İmzası */
.header-logo {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 500;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    white-space: nowrap;
}

.header-logo:hover {
    opacity: 0.7;
}

/* Sağ: Navigasyon */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.header-link {
    font-size: 0.875rem;
    font-weight: 450;
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius);
    letter-spacing: 0.01em;
}

.header-link:hover {
    color: var(--text-primary);
    background-color: var(--hover-bg);
}

.header-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    background: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--radius);
    transition: var(--transition-fast);
}

.header-btn:hover {
    color: var(--text-primary);
    background-color: var(--hover-bg);
}

/* Tema ikonu görünürlüğü */
[data-theme="light"] .icon-moon { display: none; }
[data-theme="dark"] .icon-sun  { display: none; }

/* Abone Ol CTA */
.header-cta {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--bg-color);
    background-color: var(--accent-color);
    padding: 0.4rem 1rem;
    border-radius: 100px;
    letter-spacing: 0.01em;
    transition: var(--transition);
}

.header-cta:hover {
    opacity: 0.85;
    transform: translateY(-1px);
}

/* Mobil Menü Butonu */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 1.5px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu-btn.active span:nth-child(1) { transform: rotate(45deg) translate(4px, 5px); }
.mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.active span:nth-child(3) { transform: rotate(-45deg) translate(4px, -5px); }

/* Mobil Menü Panel */
.mobile-menu {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-color);
    z-index: 999;
    padding: var(--spacing-xl) var(--spacing-lg);
    flex-direction: column;
    gap: var(--spacing-md);
    opacity: 0;
    transform: translateY(-8px);
    transition: var(--transition);
}

.mobile-menu.active {
    display: flex;
    opacity: 1;
    transform: translateY(0);
}

.mobile-menu-link {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--text-primary);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

.mobile-menu-link:hover {
    color: var(--text-secondary);
}

/* ── HERO (docs/02-ui-design.md — Karşılama Alanı) ─────────── */
.hero {
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.hero-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 400;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    max-width: 680px;
    margin: 0 auto var(--spacing-lg);
}

.hero-subtitle {
    font-family: var(--font-sans);
    font-size: 1.125rem;
    font-weight: 350;
    line-height: 1.7;
    color: var(--text-secondary);
    max-width: 540px;
    margin: 0 auto;
}

/* ── FEATURED ARTICLE (Öne Çıkan Başyazı) ──────────────────── */
.featured {
    padding: var(--spacing-2xl) 0;
    border-top: 1px solid var(--border-color);
}

.featured-label {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.featured-card {
    display: block;
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background-color: var(--surface-color);
    transition: var(--transition);
    cursor: pointer;
}

.featured-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.featured-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.featured-category {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    background-color: var(--hover-bg);
    padding: 0.2rem 0.6rem;
    border-radius: 100px;
}

.featured-date,
.featured-reading-time {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.featured-dot {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background-color: var(--text-secondary);
    opacity: 0.5;
}

.featured-title {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 400;
    line-height: 1.25;
    letter-spacing: -0.025em;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.featured-summary {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--text-secondary);
    max-width: 600px;
}

.featured-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-top: var(--spacing-lg);
    transition: var(--transition-fast);
}

.featured-cta:hover {
    gap: var(--spacing-sm);
}

.featured-cta svg {
    transition: var(--transition-fast);
}

/* ── SON YAZILAR AKIşI (Post Cards) ─────────────────────────── */
.posts-section {
    padding: var(--spacing-2xl) 0 var(--spacing-3xl);
    border-top: 1px solid var(--border-color);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--text-secondary);
}

.section-link {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.section-link:hover {
    color: var(--text-primary);
}

/* Yazı Kartları */
.post-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.post-card {
    display: block;
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.post-card:first-child {
    border-top: 1px solid var(--border-color);
}

.post-card:hover .post-card-title {
    color: var(--text-secondary);
}

.post-card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    flex-wrap: wrap;
}

.post-card-category {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
}

.post-card-date,
.post-card-reading-time {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.post-card-dot {
    width: 2px;
    height: 2px;
    border-radius: 50%;
    background-color: var(--text-secondary);
    opacity: 0.5;
}

.post-card-title {
    font-family: var(--font-serif);
    font-size: 1.375rem;
    font-weight: 400;
    line-height: 1.35;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    transition: var(--transition-fast);
}

.post-card-summary {
    font-size: 0.9375rem;
    line-height: 1.65;
    color: var(--text-secondary);
    max-width: 580px;
}

/* ── Bülten Bölümü ──────────────────────────────────────────── */
.newsletter-section {
    padding: var(--spacing-3xl) 0;
    border-top: 1px solid var(--border-color);
}

.newsletter-inner {
    text-align: center;
    max-width: 480px;
    margin: 0 auto;
}

.newsletter-title {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 400;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.newsletter-desc {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
}

.newsletter-input-group {
    display: flex;
    gap: var(--spacing-sm);
}

.newsletter-input {
    flex: 1;
    padding: 0.75rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    color: var(--text-primary);
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    outline: none;
    transition: var(--transition);
}

.newsletter-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

.newsletter-input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(26, 26, 26, 0.06);
}

[data-theme="dark"] .newsletter-input:focus {
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.08);
}

.newsletter-btn {
    padding: 0.75rem 1.5rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--bg-color);
    background-color: var(--accent-color);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition);
}

.newsletter-btn:hover {
    opacity: 0.85;
    transform: translateY(-1px);
}

.newsletter-status {
    font-size: 0.8125rem;
    margin-top: var(--spacing-sm);
    color: var(--text-secondary);
    min-height: 1.2em;
}

.newsletter-status.success {
    color: #34C759;
}

.newsletter-status.error {
    color: #FF3B30;
}

/* ── Footer ─────────────────────────────────────────────────── */
.site-footer {
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--border-color);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-copy p {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-link {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.footer-link:hover {
    color: var(--text-primary);
}

.footer-social {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    color: var(--text-secondary);
    border-radius: var(--radius);
    transition: var(--transition-fast);
}

.social-link:hover {
    color: var(--text-primary);
    background-color: var(--hover-bg);
}

/* ── Boş Durum ──────────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.3;
}

.empty-state-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.empty-state-desc {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

/* ── Sayfa Yüklenme Animasyonu ──────────────────────────────── */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.fade-in-up:nth-child(1) { animation-delay: 0.0s; }
.fade-in-up:nth-child(2) { animation-delay: 0.06s; }
.fade-in-up:nth-child(3) { animation-delay: 0.12s; }
.fade-in-up:nth-child(4) { animation-delay: 0.18s; }
.fade-in-up:nth-child(5) { animation-delay: 0.24s; }
.fade-in-up:nth-child(6) { animation-delay: 0.30s; }
.fade-in-up:nth-child(7) { animation-delay: 0.36s; }
.fade-in-up:nth-child(8) { animation-delay: 0.42s; }

/* ── Alıntı Kutuları (docs/03-design-system.md) ────────────── */
blockquote {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-secondary);
    border-left: 3px solid var(--accent-color);
    padding-left: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 768px) {
    :root {
        --header-height: 56px;
    }

    .header-actions {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding: var(--spacing-2xl) 0;
    }

    .hero-title {
        font-size: clamp(1.75rem, 7vw, 2.5rem);
    }

    .featured-card {
        padding: var(--spacing-lg);
    }

    .featured-title {
        font-size: 1.375rem;
    }

    .newsletter-input-group {
        flex-direction: column;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .post-card-title {
        font-size: 1.15rem;
    }
}

/* ════════════════════════════════════════════════════════════════
   FAZ 3 — Yazı Detay, Arşiv, Hakkımda, Yorumlar
   docs/02-ui-design.md sayfa şablonlarına tam uygunluk
   ════════════════════════════════════════════════════════════════ */

/* ── YAZI DETAY SAYFASI (Article View) ──────────────────────── */
.article-header {
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    text-align: center;
}

.article-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.article-category {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    background-color: var(--hover-bg);
    padding: 0.2rem 0.6rem;
    border-radius: 100px;
    transition: var(--transition-fast);
}

.article-category:hover {
    color: var(--text-primary);
    background-color: var(--border-color);
}

.article-date,
.article-reading-time {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.article-dot {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background-color: var(--text-secondary);
    opacity: 0.5;
}

.article-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 400;
    line-height: 1.18;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    max-width: 720px;
    margin: 0 auto var(--spacing-md);
}

.article-subtitle {
    font-family: var(--font-sans);
    font-size: 1.1875rem;
    font-weight: 350;
    line-height: 1.6;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

/* Yazar Bilgi Kutusu (Üstte — Minimal) */
.article-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--accent-color);
    color: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 500;
    flex-shrink: 0;
}

.author-info {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.author-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.author-detail {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* ── Yazı İçerik Alanı — Medium Tarzı Tipografi ────────────── */
.article-body {
    padding: var(--spacing-xl) 0 var(--spacing-2xl);
}

.article-content {
    font-family: var(--font-serif);
    font-size: 1.1875rem;
    line-height: 1.8;
    color: var(--text-primary);
    letter-spacing: 0.003em;
}

.article-content > * + * {
    margin-top: 1.5em;
}

.article-content h2 {
    font-family: var(--font-sans);
    font-size: 1.625rem;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.02em;
    margin-top: 2.5em;
    margin-bottom: 0.5em;
    color: var(--text-primary);
}

.article-content h3 {
    font-family: var(--font-sans);
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.35;
    letter-spacing: -0.01em;
    margin-top: 2em;
    margin-bottom: 0.4em;
    color: var(--text-primary);
}

.article-content p {
    margin-bottom: 0;
}

.article-content a {
    color: var(--text-primary);
    text-decoration: underline;
    text-decoration-color: var(--border-color);
    text-underline-offset: 3px;
    transition: var(--transition-fast);
}

.article-content a:hover {
    text-decoration-color: var(--text-primary);
}

.article-content strong {
    font-weight: 600;
    color: var(--text-primary);
}

.article-content em {
    font-style: italic;
}

/* Alıntı Kutuları (docs/03-design-system.md) */
.article-content blockquote {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.25rem;
    line-height: 1.7;
    color: var(--text-secondary);
    border-left: 3px solid var(--accent-color);
    padding: 0.25em 0 0.25em 1.5em;
    margin: 2em 0;
}

.article-content blockquote p {
    margin: 0;
}

/* Kod Blokları */
.article-content code {
    font-family: 'SF Mono', 'Menlo', 'Monaco', 'Courier New', monospace;
    font-size: 0.875em;
    background-color: var(--hover-bg);
    padding: 0.15em 0.4em;
    border-radius: 4px;
    color: var(--text-primary);
}

.article-content pre {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.25em 1.5em;
    overflow-x: auto;
    margin: 2em 0;
    line-height: 1.5;
}

.article-content pre code {
    background: none;
    padding: 0;
    font-size: 0.8125rem;
}

/* Listeler */
.article-content ul,
.article-content ol {
    padding-left: 1.5em;
}

.article-content li {
    margin-bottom: 0.5em;
}

.article-content li::marker {
    color: var(--text-secondary);
}

/* Görseller */
.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    margin: 2em auto;
    display: block;
}

/* Ayırıcı */
.article-content hr {
    border: none;
    text-align: center;
    margin: 3em 0;
}

.article-content hr::before {
    content: '· · ·';
    font-size: 1.25rem;
    letter-spacing: 0.5em;
    color: var(--text-secondary);
    opacity: 0.4;
}

/* ── Paylaş Butonları ───────────────────────────────────────── */
.article-footer {
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-xl);
}

.share-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
}

.share-label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.share-buttons {
    display: flex;
    gap: var(--spacing-xs);
}

.share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    background: var(--surface-color);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
}

.share-btn:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
    transform: translateY(-1px);
}

/* ── Yazarın Notu ───────────────────────────────────────────── */
.author-note {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl) 0;
    border-bottom: 1px solid var(--border-color);
}

.author-note-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: var(--accent-color);
    color: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 1.375rem;
    font-weight: 500;
    flex-shrink: 0;
}

.author-note-content {
    flex: 1;
}

.author-note-name {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.author-note-bio {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.author-note-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.author-note-link:hover {
    opacity: 0.7;
}

/* ── Önceki / Sonraki Yazı Navigasyonu ──────────────────────── */
.post-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    padding: var(--spacing-xl) 0;
    border-bottom: 1px solid var(--border-color);
}

.post-nav-item {
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.post-nav-item:hover {
    border-color: transparent;
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.post-nav-next {
    text-align: right;
}

.post-nav-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.post-nav-title {
    font-family: var(--font-serif);
    font-size: 1.0625rem;
    font-weight: 400;
    color: var(--text-primary);
    line-height: 1.4;
}

/* ── Yorumlar (docs/16-comments.md) ─────────────────────────── */
.comments-section {
    padding: var(--spacing-xl) 0 var(--spacing-2xl);
}

.comments-title {
    font-family: var(--font-sans);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
    letter-spacing: -0.01em;
}

/* Yorum Formu */
.comment-form-wrapper {
    margin-bottom: var(--spacing-xl);
}

.comment-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.comment-input,
.comment-textarea {
    width: 100%;
    padding: 0.6875rem 0.875rem;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    color: var(--text-primary);
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    outline: none;
    transition: var(--transition);
}

.comment-input:focus,
.comment-textarea:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(26, 26, 26, 0.06);
}

[data-theme="dark"] .comment-input:focus,
[data-theme="dark"] .comment-textarea:focus {
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.08);
}

.comment-input::placeholder,
.comment-textarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.5;
}

.comment-textarea {
    resize: vertical;
    min-height: 100px;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.comment-submit {
    padding: 0.625rem 1.5rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--bg-color);
    background-color: var(--accent-color);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}

.comment-submit:hover {
    opacity: 0.85;
    transform: translateY(-1px);
}

.comment-success {
    background: rgba(52, 199, 89, 0.08);
    border: 1px solid rgba(52, 199, 89, 0.2);
    color: #34C759;
    padding: 0.875rem 1rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
}

.comment-error {
    background: rgba(255, 59, 48, 0.08);
    border: 1px solid rgba(255, 59, 48, 0.2);
    color: #FF3B30;
    padding: 0.625rem 0.875rem;
    border-radius: var(--radius);
    font-size: 0.8125rem;
    margin-bottom: var(--spacing-md);
}

/* Yorum Listesi */
.comment-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.comment-item-view {
    display: flex;
    gap: 0.875rem;
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--border-color);
}

.comment-item-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--hover-bg);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.comment-item-body {
    flex: 1;
    min-width: 0;
}

.comment-item-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: 0.25rem;
    flex-wrap: wrap;
}

.comment-item-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

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

.comment-item-text {
    font-size: 0.9375rem;
    line-height: 1.65;
    color: var(--text-primary);
}

.comments-empty {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* ── ARŞİV SAYFASI ─────────────────────────────────────────── */
.archive-page {
    padding: var(--spacing-2xl) 0 var(--spacing-3xl);
}

.archive-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.archive-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.archive-title {
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.archive-count {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

/* Kategori Filtreleri */
.archive-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    justify-content: center;
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
}

.archive-filter-btn {
    font-size: 0.8125rem;
    font-weight: 450;
    color: var(--text-secondary);
    padding: 0.375rem 0.875rem;
    border-radius: 100px;
    border: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.archive-filter-btn:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.archive-filter-btn.active {
    color: var(--bg-color);
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

/* Yıl Bazlı Gruplar */
.archive-year-group {
    margin-bottom: var(--spacing-2xl);
}

.archive-year {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 0;
}

.archive-list {
    display: flex;
    flex-direction: column;
}

.archive-item {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-xl);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

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

.archive-item-left {
    flex-shrink: 0;
    width: 140px;
}

.archive-item-date {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.archive-item-right {
    flex: 1;
    min-width: 0;
}

.archive-item-title {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 400;
    color: var(--text-primary);
    line-height: 1.4;
    letter-spacing: -0.01em;
    transition: var(--transition-fast);
}

.archive-item-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: 0.125rem;
}

.archive-item-category {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
}

.archive-item-dot {
    width: 2px;
    height: 2px;
    border-radius: 50%;
    background-color: var(--text-secondary);
    opacity: 0.5;
}

.archive-item-meta span {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.archive-back {
    text-align: center;
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

.archive-back-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.archive-back-link:hover {
    color: var(--text-primary);
}

/* ── HAKKIMDA SAYFASI ───────────────────────────────────────── */
.about-page {
    padding: var(--spacing-3xl) 0;
}

.about-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.about-avatar-large {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: var(--accent-color);
    color: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 500;
    margin: 0 auto var(--spacing-xl);
}

.about-title {
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.about-intro {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
}

.about-section {
    margin-bottom: var(--spacing-3xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--border-color);
}

.about-section-title {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.about-content p {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 1.25em;
}

.about-content blockquote {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--text-secondary);
    border-left: 3px solid var(--accent-color);
    padding-left: 1.5em;
    margin: 2em 0;
}

/* Konu Grid'i */
.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.about-grid-item {
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.about-grid-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.about-grid-icon {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
}

.about-grid-title {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.about-grid-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* İstatistikler */
.about-stats {
    display: flex;
    gap: var(--spacing-2xl);
    justify-content: center;
}

.about-stat {
    text-align: center;
}

.about-stat-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.about-stat-label {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

/* CTA Butonları */
.about-cta-group {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    margin-top: var(--spacing-lg);
}

.about-cta-primary {
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--bg-color);
    background-color: var(--accent-color);
    border-radius: var(--radius);
    transition: var(--transition);
}

.about-cta-primary:hover {
    opacity: 0.85;
    transform: translateY(-1px);
}

.about-cta-secondary {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.about-cta-secondary:hover {
    opacity: 0.7;
}

/* ── E-posta Kartı ─────────────────────────────────────────── */
.about-email-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    margin: 2rem auto;
    max-width: 420px;
    border: 1.5px solid #E5E5E7;
    border-radius: 16px;
    background: #FAFAFA;
    text-decoration: none;
    color: #1D1D1F;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
    line-height: 1;
    font-family: var(--font-sans, -apple-system, sans-serif);
}

[data-theme="dark"] .about-email-card {
    border-color: #333;
    background: #1A1A1A;
    color: #F5F5F7;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.about-email-card:hover {
    border-color: #1D1D1F;
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .about-email-card:hover {
    border-color: #F5F5F7;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.about-email-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: 12px;
    background: #1D1D1F;
    color: #FFFFFF;
    flex-shrink: 0;
}

.about-email-icon svg {
    display: block;
    width: 20px;
    height: 20px;
}

[data-theme="dark"] .about-email-icon {
    background: #F5F5F7;
    color: #1D1D1F;
}

.about-email-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
    min-width: 0;
}

.about-email-label {
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #86868B;
    line-height: 1;
}

.about-email-address {
    font-size: 0.9375rem;
    font-weight: 500;
    color: inherit;
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.about-email-arrow {
    font-size: 1.125rem;
    color: #86868B;
    flex-shrink: 0;
    transition: all 0.25s ease;
    line-height: 1;
}

.about-email-card:hover .about-email-arrow {
    transform: translateX(5px);
    color: #1D1D1F;
}

[data-theme="dark"] .about-email-card:hover .about-email-arrow {
    color: #F5F5F7;
}

/* ── FAZ 3 RESPONSIVE ──────────────────────────────────────── */
@media (max-width: 768px) {
    .article-title {
        font-size: clamp(1.5rem, 7vw, 2rem);
    }

    .article-content {
        font-size: 1.0625rem;
    }

    .article-author {
        justify-content: flex-start;
    }

    .post-navigation {
        grid-template-columns: 1fr;
    }

    .post-nav-next {
        text-align: left;
    }

    .comment-form-row {
        grid-template-columns: 1fr;
    }

    .archive-item {
        flex-direction: column;
        gap: 0.25rem;
    }

    .archive-item-left {
        width: auto;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .about-stats {
        flex-direction: column;
        gap: var(--spacing-xl);
    }

    .about-cta-group {
        flex-direction: column;
        align-items: flex-start;
    }

    .author-note {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .share-section {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ════════════════════════════════════════════════════════════════
   FAZ 4 — Arama Modalı, Bülten Durum, Okuma Çubuğu
   docs/15-search.md, docs/14-animations.md, docs/10-api.md
   ════════════════════════════════════════════════════════════════ */

/* ── Arama Overlay ──────────────────────────────────────────── */
.search-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.search-overlay.active {
    opacity: 1;
    visibility: visible;
}

[data-theme="dark"] .search-overlay {
    background-color: rgba(0, 0, 0, 0.6);
}

/* ── Arama Modalı ───────────────────────────────────────────── */
.search-modal {
    position: fixed;
    top: 15%;
    left: 50%;
    transform: translateX(-50%) translateY(-12px);
    width: 90%;
    max-width: 580px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.search-modal.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.search-modal-inner {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 16px 70px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

[data-theme="dark"] .search-modal-inner {
    box-shadow: 0 16px 70px rgba(0, 0, 0, 0.45);
}

/* ── Arama Input Wrapper ────────────────────────────────────── */
.search-input-wrapper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.125rem;
    border-bottom: 1px solid var(--border-color);
}

.search-icon {
    flex-shrink: 0;
    color: var(--text-secondary);
    opacity: 0.6;
}

.search-modal-input {
    flex: 1;
    border: none;
    outline: none;
    background: none;
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--text-primary);
    line-height: 1.5;
}

.search-modal-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.5;
}

.search-kbd {
    flex-shrink: 0;
    font-family: var(--font-sans);
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--text-secondary);
    background-color: var(--hover-bg);
    border: 1px solid var(--border-color);
    padding: 0.125rem 0.375rem;
    border-radius: 4px;
    line-height: 1.4;
}

/* ── Arama Sonuçları ────────────────────────────────────────── */
.search-results {
    max-height: 380px;
    overflow-y: auto;
    overscroll-behavior: contain;
}

.search-results::-webkit-scrollbar {
    width: 4px;
}

.search-results::-webkit-scrollbar-track {
    background: transparent;
}

.search-results::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 4px;
}

.search-result-count {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    padding: 0.625rem 1.125rem 0.375rem;
}

.search-result-item {
    display: block;
    padding: 0.75rem 1.125rem;
    transition: background-color 0.1s ease;
    cursor: pointer;
    text-decoration: none;
    border-bottom: 1px solid var(--border-color);
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover,
.search-result-item.active {
    background-color: var(--hover-bg);
}

.search-result-title {
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.4;
    margin-bottom: 0.125rem;
}

.search-result-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.search-result-category {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 0.625rem;
}

.search-result-summary {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.search-highlight {
    background-color: rgba(255, 200, 0, 0.25);
    color: var(--text-primary);
    padding: 0.05em 0.1em;
    border-radius: 2px;
}

[data-theme="dark"] .search-highlight {
    background-color: rgba(255, 200, 0, 0.18);
}

/* Boş Durum */
.search-empty {
    padding: 2rem 1.125rem;
    text-align: center;
}

.search-empty-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    opacity: 0.7;
}

/* ── Bülten Durum Mesajları ─────────────────────────────────── */
.newsletter-status {
    font-size: 0.8125rem;
    margin-top: 0.5rem;
    min-height: 1.25rem;
    transition: var(--transition-fast);
}

.newsletter-status.success {
    color: #34C759;
}

.newsletter-status.error {
    color: #FF3B30;
}

/* ── Okuma İlerleme Çubuğu ──────────────────────────────────── */
.reading-progress {
    position: fixed;
    top: var(--header-height);
    left: 0;
    height: 2px;
    width: 0;
    background: linear-gradient(90deg, var(--accent-color), var(--text-secondary));
    z-index: 999;
    transition: width 0.1s linear;
    pointer-events: none;
}

/* ── Header Arama Butonu — Ctrl+K İpucu ─────────────────────── */
.header-search-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.625rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: none;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.header-search-btn:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.header-search-btn svg {
    flex-shrink: 0;
}

.header-search-kbd {
    font-size: 0.625rem;
    font-weight: 500;
    background-color: var(--hover-bg);
    padding: 0.1rem 0.3rem;
    border-radius: 3px;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    margin-left: 0.125rem;
}

/* ── Faz 4 Responsive ──────────────────────────────────────── */
@media (max-width: 768px) {
    .search-modal {
        top: 5%;
        width: 95%;
    }

    .header-search-kbd {
        display: none;
    }
}

/* ════════════════════════════════════════════════════════════════
   PREMIUM — TOC, Breadcrumb, Seri, Etiket, Oylama, Paylaş
   docs/20-premium-features.md
   ════════════════════════════════════════════════════════════════ */

/* ── Breadcrumb (#5) ───────────────────────────────────────── */
.breadcrumb {
    padding: 0.75rem 0 0;
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 0;
    list-style: none;
    padding: 0;
    margin: 0;
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.breadcrumb-item + .breadcrumb-item::before {
    content: '›';
    margin: 0 0.5rem;
    opacity: 0.5;
}

.breadcrumb-item a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.breadcrumb-item a:hover {
    color: var(--accent-color);
}

.breadcrumb-item.active {
    color: var(--text-primary);
    font-weight: 500;
}

/* ── Article Layout (#1) ───────────────────────────────────── */

/* TOC sidebar gizli — içerik tam genişlikte (v1 ile aynı) */
.article-body-wrapper .container {
    max-width: var(--max-w-content);
}

.article-layout {
    display: block;
}

/* TOC sidebar masaüstünde gizli, mobil drawer hâlâ çalışır */
.toc-sidebar {
    display: none;
}

/* ── TOC Sidebar (#1) ──────────────────────────────────────── */
.toc-sidebar {
    position: relative;
}

@media (max-width: 1024px) {
    .toc-sidebar {
        display: none;
    }
}

.toc-sticky {
    position: sticky;
    top: calc(var(--header-height) + 2rem);
    max-height: calc(100vh - var(--header-height) - 4rem);
    overflow-y: auto;
}

.toc-sticky::-webkit-scrollbar {
    width: 2px;
}

.toc-sticky::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 2px;
}

.toc-title {
    font-family: var(--font-sans);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.toc-nav {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.toc-link {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.3rem 0.5rem;
    border-left: 2px solid transparent;
    border-radius: 0 var(--radius) var(--radius) 0;
    line-height: 1.4;
    transition: all 0.2s ease;
}

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

.toc-link.active {
    color: var(--accent-color);
    border-left-color: var(--accent-color);
    font-weight: 500;
    background-color: var(--hover-bg);
}

.toc-indent-1 {
    padding-left: 1.25rem;
    font-size: 0.78125rem;
}

.toc-indent-2 {
    padding-left: 2rem;
    font-size: 0.75rem;
}

/* ── TOC Mobile Toggle ─────────────────────────────────────── */
.toc-mobile-toggle {
    display: none;
    position: fixed;
    bottom: 2rem;
    right: 1.25rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--accent-color);
    color: #fff;
    border: none;
    cursor: pointer;
    z-index: 900;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: transform 0.2s ease;
}

.toc-mobile-toggle:hover {
    transform: scale(1.08);
}

@media (max-width: 1024px) {
    .toc-mobile-toggle {
        display: flex;
    }
}

/* ── TOC Drawer (Mobile) ───────────────────────────────────── */
.toc-drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(2px);
    z-index: 1100;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
}

.toc-drawer-overlay.active {
    opacity: 1;
    visibility: visible;
}

.toc-drawer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    max-height: 60vh;
    background-color: var(--surface-color);
    border-top-left-radius: var(--radius-lg);
    border-top-right-radius: var(--radius-lg);
    z-index: 1101;
    padding: 1.25rem 1.5rem 2rem;
    overflow-y: auto;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1);
}

.toc-drawer.active {
    transform: translateY(0);
}

.toc-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.toc-drawer-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
}

/* ── Etiket Pilleri (#3) ───────────────────────────────────── */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.tag-pill {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--accent-color);
    background-color: var(--hover-bg);
    padding: 0.3rem 0.75rem;
    border-radius: 2rem;
    text-decoration: none;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.tag-pill:hover {
    background-color: var(--accent-color);
    color: #fff;
}

.tag-badge-large {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

/* ── Seri Badge (#2) ───────────────────────────────────────── */
.series-badge {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1rem;
    padding: 0.625rem 1rem;
    background-color: var(--hover-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 0.875rem;
}

.series-badge-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
}

.series-badge-link:hover {
    text-decoration: underline;
}

.series-badge-part {
    color: var(--text-secondary);
    font-size: 0.8125rem;
}

/* ── Seri Liste / Sayfa ────────────────────────────────────── */
.series-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.series-item {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 1.25rem 1rem;
    text-decoration: none;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s ease;
}

.series-item:hover {
    background-color: var(--hover-bg);
}

.series-item-number {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    background-color: var(--hover-bg);
    border-radius: 50%;
}

.series-item-content {
    flex: 1;
    min-width: 0;
}

.series-item-title {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.4;
    margin-bottom: 0.25rem;
}

.series-item-meta {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.series-item-summary {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.375rem;
    line-height: 1.5;
}

/* ── Seri Navigasyon (#2) ──────────────────────────────────── */
.series-navigation {
    margin: 2rem 0;
    padding: 1.5rem;
    background-color: var(--hover-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.series-nav-title {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    text-align: center;
}

.series-nav-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 640px) {
    .series-nav-buttons {
        grid-template-columns: 1fr;
    }
}

/* ── Benzer Yazılar (#6) ───────────────────────────────────── */
.related-section {
    margin: 3rem 0 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.related-title {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

@media (max-width: 768px) {
    .related-grid {
        grid-template-columns: 1fr;
    }
}

.related-card {
    display: block;
    padding: 1.125rem;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    text-decoration: none;
    transition: all 0.2s ease;
}

.related-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.related-card-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.related-card-category {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--accent-color);
}

.related-card-title {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ── Yazı İstatistikleri (#12) ─────────────────────────────── */
.article-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    padding: 1.25rem 0;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.article-stat-item {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.article-stat-icon {
    font-size: 1rem;
}

/* ── Oylama (#7) ───────────────────────────────────────────── */
.vote-section {
    text-align: center;
    padding: 2rem 0;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.vote-question {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.vote-buttons {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
}

.vote-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary);
    background: none;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s ease;
}

.vote-btn:hover:not(:disabled) {
    border-color: var(--accent-color);
    background-color: var(--hover-bg);
}

.vote-btn.voted {
    border-color: var(--accent-color);
    background-color: var(--accent-color);
    color: var(--bg-color);
}

.vote-btn:disabled {
    opacity: 0.6;
    cursor: default;
}

.vote-count {
    font-size: 0.8125rem;
    opacity: 0.7;
}

.vote-thanked {
    margin-top: 0.75rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: #34C759;
}

/* ── Seçili Metin Paylaş Tooltip (#13) ─────────────────────── */
.text-share-tooltip {
    position: absolute;
    z-index: 1200;
    display: flex;
    gap: 0.25rem;
    padding: 0.375rem;
    background-color: var(--text-primary);
    border-radius: var(--radius);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.text-share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    background: none;
    color: var(--bg-color);
    font-size: 0.875rem;
    font-weight: 700;
    cursor: pointer;
    border-radius: 4px;
    transition: background-color 0.15s ease;
}

.text-share-btn:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

/* ── Son Aramalar (#10) ────────────────────────────────────── */
.search-recent-header {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    padding: 0.625rem 1.125rem 0.375rem;
}

.search-recent-item {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.5rem 1.125rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.search-recent-item:hover {
    background-color: var(--hover-bg);
}

.search-recent-icon {
    font-size: 0.875rem;
    opacity: 0.5;
}

/* ── Paylaş Butonları (#19) ────────────────────────────────── */
.share-section {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 0;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.share-label {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.share-buttons {
    display: flex;
    gap: 0.5rem;
}

.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: none;
    color: var(--text-secondary);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.share-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background-color: var(--hover-bg);
}

/* ── Premium Responsive ────────────────────────────────────── */
@media (max-width: 768px) {
    .article-stats {
        gap: 0.75rem;
    }

    .vote-buttons {
        flex-direction: column;
        align-items: center;
    }

    .related-grid {
        grid-template-columns: 1fr;
    }

    .share-section {
        flex-direction: column;
        align-items: flex-start;
    }

    .series-badge {
        flex-direction: column;
        gap: 0.25rem;
    }
}

/* ════════════════════════════════════════════════════════════════
   PREMIUM — Arşiv Yıl/Ay Gruplama (#4)
   ════════════════════════════════════════════════════════════════ */

.archive-year-group {
    margin-bottom: 2.5rem;
}

.archive-year-title {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 300;
    color: var(--text-primary);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border-color);
    letter-spacing: -0.02em;
}

.archive-month-group {
    margin-bottom: 1.5rem;
    margin-left: 0.5rem;
}

.archive-month-title {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.archive-items {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.archive-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.625rem 0.75rem;
    text-decoration: none;
    border-radius: var(--radius);
    transition: background-color 0.15s ease;
}

.archive-item:hover {
    background-color: var(--hover-bg);
}

.archive-item-date {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    background-color: var(--hover-bg);
    border-radius: 50%;
}

.archive-item-content {
    flex: 1;
    min-width: 0;
}

.archive-item-title {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.4;
    display: block;
}

.archive-item-meta {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.125rem;
}

.archive-item-category {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--accent-color);
    font-size: 0.625rem;
}

.archive-item-dot {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background-color: var(--text-secondary);
    opacity: 0.5;
}

.archive-back {
    text-align: center;
    padding: 2rem 0;
}

.archive-back-link {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.archive-back-link:hover {
    color: var(--accent-color);
}

/* ════════════════════════════════════════════════════════════════
   PREMIUM — Yazıyı Kaydet (#8) + Yorum AJAX Footer
   ════════════════════════════════════════════════════════════════ */

.bookmark-section {
    text-align: center;
    margin: 1.5rem 0;
}

.bookmark-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 2rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.bookmark-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.bookmark-btn.bookmarked {
    background-color: var(--accent-color);
    color: #fff;
    border-color: var(--accent-color);
}

.comment-form-footer {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.comment-form-status {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.comment-success {
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    background-color: rgba(52, 199, 89, 0.08);
    border: 1px solid rgba(52, 199, 89, 0.2);
    color: #28a745;
    font-family: var(--font-sans);
    font-size: 0.875rem;
}