/* ═══════════════════════════════════════════
   Rohan Kumar Chaudhary — Blog Styles
   Dark Terminal Theme
   ═══════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,300;0,400;0,500;0,700;1,400&family=Syne:wght@400;700;800&display=swap');

:root {
  --bg:         #0a0a0f;
  --bg2:        #0f0f16;
  --bg3:        #14141e;
  --bg4:        #1a1a28;
  --border:     #1e1e2e;
  --border2:    #2a2a3e;
  --green:      #00e5a0;
  --green-dim:  #00b87a;
  --green-dark: #003d29;
  --blue:       #4fc3f7;
  --purple:     #b39ddb;
  --amber:      #ffcc02;
  --red:        #ff5370;
  --text:       #e0e0f0;
  --text2:      #9090b0;
  --text3:      #555570;
  --mono:       'JetBrains Mono', monospace;
  --display:    'Syne', sans-serif;
  --content-w:  760px;
}

/* ─── RESET ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.85;
}

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--green-dim); }

/* ════════════════════════════════
   TOP NAV BAR
════════════════════════════════ */
.blog-nav {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 0 40px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.blog-nav-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Terminal dots */
.tdots {
  display: flex;
  gap: 5px;
  align-items: center;
}
.tdot {
  width: 9px; height: 9px;
  border-radius: 50%;
}
.tdot-r { background: #ff5f56; }
.tdot-y { background: #ffbd2e; }
.tdot-g { background: #27c93f; }

.blog-nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}
.blog-nav-logo img {
  width: 26px; height: 26px;
  border-radius: 5px;
  border: 1px solid var(--green-dim);
}
.blog-nav-logo span {
  font-family: var(--display);
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}

.blog-nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
}
.blog-nav-link {
  font-size: 12px;
  color: var(--text2);
  text-decoration: none;
  transition: color 0.15s;
}
.blog-nav-link:hover { color: var(--green); }
.blog-nav-back {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text2);
  text-decoration: none;
  padding: 5px 10px;
  border: 1px solid var(--border2);
  border-radius: 5px;
  transition: all 0.15s;
}
.blog-nav-back:hover { border-color: var(--green-dim); color: var(--green); }

/* ════════════════════════════════
   HERO BANNER
════════════════════════════════ */
.blog-hero {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 52px 40px 44px;
  position: relative;
  overflow: hidden;
}
.blog-hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 36px 36px;
  opacity: 0.25;
  pointer-events: none;
}
.blog-hero-glow {
  position: absolute;
  top: -80px; right: -80px;
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(0,229,160,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.blog-hero-inner {
  max-width: var(--content-w);
  margin: 0 auto;
  position: relative;
}
.blog-category {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--green);
  border: 1px solid rgba(0,229,160,0.25);
  background: rgba(0,229,160,0.07);
  padding: 3px 10px;
  border-radius: 4px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.blog-title {
  font-family: var(--display);
  font-size: 34px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.blog-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.blog-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text3);
}
.blog-meta-item span { color: var(--text2); }

/* ════════════════════════════════
   CONTENT LAYOUT
════════════════════════════════ */
.blog-layout {
  display: grid;
  grid-template-columns: var(--content-w) 1fr;
  gap: 0;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
  align-items: start;
}

/* ─── ARTICLE ─── */
.blog-article {
  padding: 48px 48px 48px 0;
  border-right: 1px solid var(--border);
  min-width: 0;
}

/* Headings */
.blog-article h1,
.blog-article h2,
.blog-article h3,
.blog-article h4 {
  font-family: var(--display);
  color: var(--text);
  letter-spacing: -0.02em;
  margin: 2rem 0 0.75rem;
}
.blog-article h2 { font-size: 20px; font-weight: 700; }
.blog-article h3 { font-size: 17px; font-weight: 700; }
.blog-article h4 { font-size: 15px; font-weight: 700; color: var(--text2); }

/* Paragraph */
.blog-article p {
  color: var(--text2);
  margin-bottom: 1.2rem;
  font-size: 14px;
  line-height: 1.9;
}

/* Quote / callout */
.blog-article .quote,
.blog-article blockquote {
  font-style: italic;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--green);
  padding: 16px 20px;
  border-radius: 0 8px 8px 0;
  margin: 1.5rem 0;
  color: var(--text2);
  font-size: 13px;
  line-height: 1.8;
}

/* Code inline */
.blog-article code {
  font-family: var(--mono);
  font-size: 12px;
  background: var(--bg3);
  color: var(--amber);
  border: 1px solid var(--border2);
  padding: 2px 6px;
  border-radius: 4px;
}

/* Code block */
.blog-article pre {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  margin: 1.5rem 0;
}
.code-header {
  background: var(--bg3);
  border-bottom: 1px solid var(--border);
  padding: 9px 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.code-lang {
  margin-left: 8px;
  font-size: 11px;
  color: var(--text3);
  font-family: var(--mono);
}
.blog-article pre code {
  display: block;
  padding: 18px 20px;
  font-size: 12px;
  line-height: 1.75;
  color: var(--text2);
  background: none;
  border: none;
  overflow-x: auto;
  white-space: pre;
}

/* Syntax highlight colors */
.tok-key    { color: var(--blue); }
.tok-val    { color: var(--green); }
.tok-str    { color: var(--amber); }
.tok-num    { color: var(--purple); }
.tok-cmt    { color: var(--text3); font-style: italic; }
.tok-fn     { color: #82cfff; }
.tok-type   { color: var(--purple); }

/* Lists */
.blog-article ul,
.blog-article ol {
  padding-left: 0;
  margin: 1rem 0 1.5rem;
  list-style: none;
}
.blog-article ul li,
.blog-article ol li {
  font-size: 13px;
  color: var(--text2);
  padding: 5px 0 5px 18px;
  position: relative;
  border-bottom: 1px solid var(--border);
  line-height: 1.7;
}
.blog-article ul li:last-child,
.blog-article ol li:last-child { border-bottom: none; }
.blog-article ul li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--green);
  font-size: 10px;
  top: 8px;
}
.blog-article ol { counter-reset: ol-counter; }
.blog-article ol li { counter-increment: ol-counter; }
.blog-article ol li::before {
  content: counter(ol-counter) '.';
  position: absolute;
  left: 0;
  color: var(--green);
  font-size: 11px;
  top: 6px;
  font-family: var(--mono);
}

/* Table */
.blog-article .table-wrap {
  overflow-x: auto;
  margin: 1.5rem 0;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.blog-article table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}
.blog-article th {
  background: var(--bg3);
  color: var(--green);
  font-weight: 500;
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  letter-spacing: 0.05em;
}
.blog-article td {
  padding: 9px 14px;
  color: var(--text2);
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.blog-article tr:last-child td { border-bottom: none; }
.blog-article tr:hover td { background: var(--bg3); }

/* Image */
.blog-article img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border);
  margin: 1.5rem 0;
}

/* Tag strip */
.blog-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 2.5rem 0 0;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.blog-tag {
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 4px;
  background: var(--bg3);
  color: var(--text3);
  border: 1px solid var(--border2);
}

/* Author card */
.author-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--green);
  border-radius: 0 10px 10px 0;
  padding: 18px 20px;
  margin-top: 2.5rem;
  display: flex;
  gap: 14px;
  align-items: center;
}
.author-avatar {
  width: 44px; height: 44px;
  border-radius: 9px;
  background: var(--bg4);
  border: 1px solid var(--green-dim);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}
.author-avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: 8px; }
.author-name {
  font-family: var(--display);
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
}
.author-role { font-size: 11px; color: var(--green); margin-bottom: 6px; }
.author-links { display: flex; gap: 8px; }
.author-link {
  font-size: 11px;
  color: var(--text3);
  text-decoration: none;
  padding: 2px 7px;
  border: 1px solid var(--border2);
  border-radius: 4px;
  transition: all 0.15s;
}
.author-link:hover { border-color: var(--green-dim); color: var(--green); }

/* ─── SIDEBAR / TOC ─── */
.blog-sidebar {
  padding: 48px 0 48px 36px;
  position: sticky;
  top: 52px;
  max-height: calc(100vh - 52px);
  overflow-y: auto;
}

.toc-label {
  font-size: 10px;
  color: var(--text3);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.toc-list { list-style: none; }
.toc-item {
  font-size: 12px;
  margin-bottom: 6px;
}
.toc-link {
  color: var(--text3);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 4px 8px;
  border-radius: 5px;
  transition: all 0.15s;
  line-height: 1.5;
}
.toc-link::before {
  content: '·';
  color: var(--border2);
  font-size: 16px;
  flex-shrink: 0;
}
.toc-link:hover,
.toc-link.active {
  color: var(--green);
  background: rgba(0,229,160,0.06);
}
.toc-link.active::before { color: var(--green); }

.sidebar-divider {
  height: 1px;
  background: var(--border);
  margin: 20px 0;
}

.sidebar-share-label {
  font-size: 10px;
  color: var(--text3);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.sidebar-share-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.share-link {
  font-size: 11px;
  color: var(--text2);
  text-decoration: none;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 7px;
  transition: all 0.15s;
}
.share-link:hover { border-color: var(--green-dim); color: var(--green); }

/* ════════════════════════════════
   FOOTER
════════════════════════════════ */
.blog-footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 24px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.blog-footer-copy {
  font-size: 12px;
  color: var(--text3);
}
.blog-footer-copy span { color: var(--green); }
.blog-footer-social { display: flex; gap: 8px; }
.social-btn {
  display: flex; align-items: center; justify-content: center;
  width: 30px; height: 30px;
  background: var(--bg4);
  border: 1px solid var(--border2);
  border-radius: 6px;
  color: var(--text2);
  text-decoration: none;
  font-size: 12px;
  font-family: var(--mono);
  transition: all 0.15s;
}
.social-btn:hover { border-color: var(--green-dim); color: var(--green); }

/* ════════════════════════════════
   RESPONSIVE
════════════════════════════════ */
@media (max-width: 900px) {
  .blog-layout {
    grid-template-columns: 1fr;
    padding: 0 20px;
  }
  .blog-article {
    padding: 32px 0;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .blog-sidebar { padding: 24px 0; position: static; }
  .blog-nav { padding: 0 20px; }
  .blog-hero { padding: 36px 20px 28px; }
  .blog-title { font-size: 24px; }
  .blog-footer { padding: 20px; flex-direction: column; text-align: center; }
}