/* ══════════════════════════════════════════
   nereden-izlenir.com Blog — CSS
   Matches main site design system
   ══════════════════════════════════════════ */

/* ── Design Tokens ── */
:root {
  --color-bg: #EBEDF0;
  --color-bg-card: #FAFBFC;
  --color-bg-muted: #F3F4F6;
  --color-bg-hover: #E5E7EB;
  --color-text: #111827;
  --color-text-secondary: #6B7280;
  --color-text-muted: #9CA3AF;
  --color-border: #E5E7EB;
  --color-border-hover: #D1D5DB;
  --color-accent: #E3342F;
  --color-film: #D97706;
  --color-dizi: #2563EB;
  --color-mac: #DC2626;
  --color-yerli: #065F46;
  --color-program: #9D174D;
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 28px rgba(0,0,0,0.10);
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-base: 200ms;
  --transition-fast: 150ms;
}

[data-theme="dark"] {
  --color-bg: #0F172A;
  --color-bg-card: #1E293B;
  --color-bg-muted: #1E293B;
  --color-bg-hover: #334155;
  --color-text: #F1F5F9;
  --color-text-secondary: #94A3B8;
  --color-text-muted: #64748B;
  --color-border: #334155;
  --color-border-hover: #475569;
  --color-film: #F59E0B;
  --color-dizi: #3B82F6;
  --color-mac: #EF4444;
  --color-yerli: #10B981;
  --color-program: #EC4899;
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.2);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.25);
  --shadow-lg: 0 8px 28px rgba(0,0,0,0.3);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }

/* ── Layout ── */
.ni-page { padding: 0 0 60px; }
.ni-container { max-width: 860px; margin: 0 auto; padding: 0 20px; }
.ni-container-wide { max-width: 1200px; }

/* ── Skip Link ── */
.skip-link { position: absolute; left: -9999px; z-index: 999; padding: 8px 16px; background: var(--color-text); color: var(--color-bg); font-size: 14px; font-weight: 600; border-radius: 0 0 8px 0; }
.skip-link:focus { left: 0; top: 0; }

/* ══════════════════════════════════════════
   HEADER — Matches original site exactly
   ══════════════════════════════════════════ */
.ni-site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--color-bg-card);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base), backdrop-filter var(--transition-base);
}
.ni-site-header.is-scrolled {
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(250,251,252,0.92);
}
[data-theme="dark"] .ni-site-header.is-scrolled { background: rgba(30,41,59,0.92); }

.ni-header-inner {
  max-width: 1400px; margin: 0 auto; padding: 0 20px;
  display: flex; align-items: center; justify-content: space-between; height: 56px;
}
.ni-brand { flex-shrink: 0; }
.ni-logo { display: flex; align-items: center; gap: 8px; text-decoration: none; }
.ni-logo-pin { flex-shrink: 0; }
.ni-logo-text { font-size: 16px; font-weight: 700; color: var(--color-text); white-space: nowrap; }
.ni-logo-dot { color: var(--color-accent); }

.ni-nav-desktop { display: flex; gap: 20px; font-size: 14px; font-weight: 500; }
.ni-nav-desktop a { color: var(--color-text-secondary); padding: 4px 0; border-bottom: 2px solid transparent; transition: color var(--transition-fast), border-color var(--transition-fast); }
.ni-nav-desktop a:hover { color: var(--color-text); }
.ni-nav-desktop a.active { color: var(--color-text); border-bottom-color: var(--color-accent); }

.ni-header-actions { display: flex; align-items: center; gap: 12px; }

/* Theme toggle */
.ni-theme-toggle { background: none; border: none; cursor: pointer; color: var(--color-text-secondary); padding: 6px; display: flex; align-items: center; border-radius: var(--radius-sm); transition: background var(--transition-fast); }
.ni-theme-toggle:hover { background: var(--color-bg-hover); }
.ni-icon-sun, .ni-icon-moon { width: 20px; height: 20px; transition: transform .3s var(--ease-out); }
.ni-theme-toggle:hover .ni-icon-sun, .ni-theme-toggle:hover .ni-icon-moon { transform: scale(1.15); }
[data-theme="dark"] .ni-icon-sun { display: none; }
:not([data-theme="dark"]) .ni-icon-moon { display: none; }
[data-theme="dark"] .ni-icon-moon { display: block; }

/* Hamburger */
.ni-hamburger { display: none; background: none; border: none; cursor: pointer; padding: 8px 4px; flex-direction: column; gap: 5px; }
.ni-hamburger-line { display: block; width: 22px; height: 2px; background: var(--color-text); border-radius: 2px; transition: transform .3s, opacity .2s; }
.ni-hamburger[aria-expanded="true"] .ni-hamburger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.ni-hamburger[aria-expanded="true"] .ni-hamburger-line:nth-child(2) { opacity: 0; }
.ni-hamburger[aria-expanded="true"] .ni-hamburger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .ni-nav-desktop { display: none; }
  .ni-hamburger { display: flex; }
}

/* Mobile nav */
.ni-nav-mobile {
  position: fixed; top: 56px; right: -300px; width: 280px; height: calc(100vh - 56px);
  background: var(--color-bg-card); border-left: 1px solid var(--color-border);
  z-index: 99; overflow-y: auto; transition: right .3s var(--ease-out);
  padding: 16px 0;
}
.ni-nav-mobile.is-open { right: 0; }
.ni-nav-section { padding: 8px 20px 16px; }
.ni-nav-title { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--color-text-muted); margin-bottom: 8px; }
.ni-nav-mobile a { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--color-text-secondary); padding: 8px 0; border-bottom: 1px solid var(--color-border); transition: color var(--transition-fast); }
.ni-nav-mobile a:hover, .ni-nav-mobile a.active { color: var(--color-text); }
.ni-nav-overlay { display: none; position: fixed; top: 56px; left: 0; width: 100%; height: calc(100vh - 56px); background: rgba(0,0,0,0.4); z-index: 98; }

/* ══════════════════════════════════════════
   BLOG HERO
   ══════════════════════════════════════════ */
.ni-blog-hero {
  text-align: center; padding: 48px 0 32px;
}
.ni-blog-hero h1 {
  font-size: 32px; font-weight: 800; color: var(--color-text); margin-bottom: 10px; line-height: 1.2;
}
.ni-hero-accent { color: var(--color-accent); }
.ni-blog-hero p {
  font-size: 15px; color: var(--color-text-secondary); max-width: 560px; margin: 0 auto; line-height: 1.6;
}
@media (min-width: 640px) { .ni-blog-hero h1 { font-size: 38px; } }

/* ── Filter Buttons ── */
.ni-blog-filters {
  display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin-bottom: 28px;
}
.ni-filter-btn {
  font-size: 13px; font-weight: 500; color: var(--color-text-secondary);
  background: var(--color-bg-card); border: 1px solid var(--color-border);
  padding: 6px 16px; border-radius: 999px; cursor: pointer;
  transition: all var(--transition-fast);
}
.ni-filter-btn:hover { border-color: var(--color-border-hover); color: var(--color-text); }
.ni-filter-btn.active {
  background: var(--color-text); color: var(--color-bg); border-color: var(--color-text);
}

/* ══════════════════════════════════════════
   CARD GRID — Matches main site
   ══════════════════════════════════════════ */
.ni-content-grid { display: grid; grid-template-columns: 1fr; gap: 14px; align-items: stretch; }
@media (min-width: 640px) { .ni-content-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .ni-content-grid { grid-template-columns: repeat(3, 1fr); } }

.ni-rich-card {
  display: flex; flex-direction: column; height: 100%;
  background: var(--color-bg-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); border-top: 3px solid transparent;
  text-decoration: none; overflow: visible;
  transition: box-shadow var(--transition-base) var(--ease-out), transform var(--transition-base) var(--ease-out), border-color var(--transition-base);
}
.ni-rich-card:hover {
  box-shadow: var(--shadow-lg); transform: translateY(-2px); border-top-color: var(--color-dizi);
}
.ni-rich-body { padding: 18px 20px 16px; display: flex; flex-direction: column; flex: 1; min-height: 0; }
.ni-rich-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.ni-rich-title { font-size: 17px; font-weight: 700; color: var(--color-text); margin: 0 0 6px; line-height: 1.3; }

/* Blog card specifics */
.ni-card-excerpt { font-size: 13px; line-height: 1.55; color: var(--color-text-secondary); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 12px; }
.ni-card-date { font-size: 11px; color: var(--color-text-muted); }
.ni-card-footer { display: flex; justify-content: space-between; align-items: center; margin-top: auto; padding-top: 12px; border-top: 1px solid var(--color-border); font-size: 12px; color: var(--color-text-muted); }

/* Category badge */
.ni-cat-badge {
  display: inline-block; font-size: 11px; font-weight: 600;
  color: var(--color-dizi); background: rgba(37,99,235,0.08);
  padding: 2px 10px; border-radius: var(--radius-sm); white-space: nowrap;
}
[data-theme="dark"] .ni-cat-badge { color: var(--color-dizi); background: rgba(59,130,246,0.12); }

/* ══════════════════════════════════════════
   BREADCRUMB
   ══════════════════════════════════════════ */
.ni-breadcrumb { font-size: 12px; color: var(--color-text-secondary); padding: 16px 0; }
.ni-breadcrumb a { text-decoration: underline; text-underline-offset: 2px; }
.ni-breadcrumb a:hover { color: var(--color-text); }

/* ══════════════════════════════════════════
   POST PAGE
   ══════════════════════════════════════════ */
.ni-post { padding-bottom: 40px; }
.ni-post-header { margin-bottom: 28px; padding-bottom: 20px; border-bottom: 1px solid var(--color-border); }
.ni-post-header h1 { font-size: 28px; font-weight: 800; line-height: 1.25; color: var(--color-text); margin: 10px 0 14px; }
@media (min-width: 640px) { .ni-post-header h1 { font-size: 34px; } }
.ni-post-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; font-size: 13px; color: var(--color-text-secondary); }
.ni-sep { opacity: 0.4; }
.ni-updated { font-style: italic; }

/* ── TOC ── */
.toc {
  background: var(--color-bg-muted); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: 20px 24px; margin-bottom: 32px;
}
.toc h2 { font-size: 15px; font-weight: 700; margin-bottom: 12px; border: none; padding: 0; }
.toc ol { list-style: decimal; padding-left: 20px; font-size: 14px; }
.toc li { margin-bottom: 5px; line-height: 1.4; }
.toc a { color: var(--color-dizi); text-decoration: underline; text-underline-offset: 2px; }
.toc a:hover { color: var(--color-accent); }
.toc .toc-h3 { margin-left: 18px; font-size: 13px; }

/* ══════════════════════════════════════════
   PROSE — Article content typography
   ══════════════════════════════════════════ */
.ni-prose { font-size: 16px; line-height: 1.8; }
.ni-prose h2 {
  font-size: 22px; font-weight: 700; margin: 40px 0 14px;
  padding-bottom: 8px; border-bottom: 1px solid var(--color-border);
}
.ni-prose h3 { font-size: 18px; font-weight: 700; margin: 30px 0 10px; }
.ni-prose h4 { font-size: 16px; font-weight: 600; margin: 24px 0 8px; }
.ni-prose p { margin: 0 0 18px; }
.ni-prose a { color: var(--color-dizi); text-decoration: underline; text-underline-offset: 2px; transition: color var(--transition-fast); }
.ni-prose a:hover { color: var(--color-accent); }
.ni-prose strong { font-weight: 700; }
.ni-prose ul, .ni-prose ol { margin: 0 0 18px; padding-left: 24px; }
.ni-prose li { margin-bottom: 6px; }
.ni-prose blockquote {
  margin: 24px 0; padding: 18px 22px;
  border-left: 4px solid var(--color-dizi); background: var(--color-bg-muted);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic; color: var(--color-text-secondary);
}
.ni-prose blockquote p:last-child { margin-bottom: 0; }
.ni-prose table {
  width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 14px;
  background: var(--color-bg-card); border-radius: var(--radius-md); overflow: hidden;
  border: 1px solid var(--color-border);
}
.ni-prose th, .ni-prose td { padding: 12px 16px; border: 1px solid var(--color-border); text-align: left; }
.ni-prose th { background: var(--color-bg-muted); font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: 0.3px; }
.ni-prose img { border-radius: var(--radius-lg); margin: 20px 0; }
.ni-prose hr { border: none; border-top: 1px solid var(--color-border); margin: 36px 0; }
.ni-prose code { font-family: 'SF Mono', monospace; font-size: 0.9em; background: var(--color-bg-muted); padding: 2px 6px; border-radius: 3px; }
.ni-prose pre { margin: 24px 0; padding: 18px; background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow-x: auto; font-size: 14px; }
.ni-prose pre code { background: none; padding: 0; }

/* ── FAQ ── */
.ni-faq-section { margin: 40px 0 0; padding-top: 32px; border-top: 1px solid var(--color-border); }
.ni-faq-section h2 { font-size: 22px; font-weight: 700; margin-bottom: 18px; border: none; padding: 0; }
.ni-faq-list { display: flex; flex-direction: column; gap: 10px; }
.ni-faq-item {
  background: var(--color-bg-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: border-color var(--transition-fast);
}
.ni-faq-item:hover { border-color: var(--color-border-hover); }
.ni-faq-item[open] { border-color: var(--color-dizi); }
.ni-faq-item summary {
  padding: 16px 20px; font-weight: 600; font-size: 15px; cursor: pointer;
  list-style: none; display: flex; justify-content: space-between; align-items: center;
  color: var(--color-text); transition: background var(--transition-fast);
}
.ni-faq-item summary:hover { background: var(--color-bg-muted); }
.ni-faq-item summary::after { content: "+"; font-size: 22px; font-weight: 400; color: var(--color-text-muted); transition: transform var(--transition-base); }
.ni-faq-item[open] summary::after { content: "−"; color: var(--color-dizi); }
.ni-faq-item summary::-webkit-details-marker { display: none; }
.ni-faq-answer { padding: 0 20px 16px; font-size: 14px; line-height: 1.7; color: var(--color-text-secondary); }

/* ── Tags ── */
.ni-post-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 32px 0; }
.ni-tag {
  font-size: 12px; font-weight: 500; color: var(--color-text-secondary);
  background: var(--color-bg-muted); padding: 4px 12px; border-radius: 999px;
  border: 1px solid var(--color-border); transition: all var(--transition-fast);
}

/* ── Post Nav ── */
.ni-post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 40px 0; }
@media (max-width: 500px) { .ni-post-nav { grid-template-columns: 1fr; } }
.ni-nav-link {
  padding: 16px 20px; background: var(--color-bg-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  display: flex; flex-direction: column;
}
.ni-nav-link:hover { border-color: var(--color-dizi); box-shadow: var(--shadow-sm); }
.ni-nav-next { text-align: right; }
.ni-nav-label { font-size: 11px; font-weight: 600; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px; }
.ni-nav-title { font-size: 14px; font-weight: 600; color: var(--color-text); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ══════════════════════════════════════════
   FOOTER — Matches main site
   ══════════════════════════════════════════ */
.ni-site-footer { background: var(--color-bg-card); border-top: 1px solid var(--color-border); padding: 40px 0 24px; margin-top: 40px; }
.ni-footer-inner { max-width: 1400px; margin: 0 auto; padding: 0 20px; }
.ni-footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 28px; margin-bottom: 28px; }
.ni-footer-brand-col { grid-column: span 1; }
@media (min-width: 768px) { .ni-footer-brand-col { grid-column: span 1; } }
.ni-footer-logo { display: flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 700; color: var(--color-text); margin-bottom: 8px; }
.ni-footer-dot { color: var(--color-accent); }
.ni-footer-tagline { font-size: 13px; color: var(--color-text-secondary); line-height: 1.5; max-width: 280px; }
.ni-footer-col h4 { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--color-text-muted); margin-bottom: 12px; }
.ni-footer-col a { display: block; font-size: 13px; color: var(--color-text-secondary); padding: 3px 0; transition: color var(--transition-fast); }
.ni-footer-col a:hover { color: var(--color-text); }
.ni-footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid var(--color-border); font-size: 12px; color: var(--color-text-muted); }
.ni-footer-bottom a { display: inline; color: var(--color-text-secondary); }