/* ========== BODY & MAIN ========== */
body {
  background: #0a0a0f;
  color: #e8f0f8;
  font-family: 'DM Sans', system-ui, sans-serif;
  margin: 0;
  padding: 0;
}

main {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ========== BLOG POST CONTAINER ========== */
.blog-post {
  width: 100%;
  max-width: 1200px; /* optional max width for readability */
  background: rgba(255,255,255,0.02);
  border-radius: 12px;
  margin: 0 auto;
  overflow: hidden;
  box-shadow: 0 0 25px rgba(0,0,0,0.25);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

/* ========== COVER IMAGE ========== */
.post-cover {
  width: 100%;
  height: 250px; /* adjust hero height */
  overflow: hidden;
  position: relative;
}
.post-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover; /* crop to fill container */
  object-position: center; /* focus center of image */
  display: block;
}

/* ========== HEADER ========== */
.post-header {
  margin: 2rem auto;
  text-align: center;
  max-width: 800px;
}
.post-title {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  color: #ffffff;
  margin: 0 0 0.5rem 0;
}
.post-meta {
  color: #9aa4b2;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  margin: 0;
}

/* ========== TAGS ========== */
.tag {
  display: inline-block;
  background: rgba(76, 175, 80, 0.1);
  color: #67ff8f;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-size: 0.8rem;
  margin-left: 0.35rem;
  transition: background 0.25s ease;
}
.tag:hover {
  background: rgba(76, 175, 80, 0.25);
}

/* ========== MARKDOWN BODY ========== */
.markdown-body {
  color: #e8f0f8;
  font-size: 1.05rem;
  line-height: 1.75;
  letter-spacing: -0.01em;
  word-wrap: break-word;
  max-width: 900px;
  margin: 0 auto 2rem auto;
  padding: 0 1rem;
}

/* Headings */
.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
  color: #ffffff;
  font-weight: 700;
  line-height: 1.3;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}
.markdown-body h1 {
  font-size: 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 0.4rem;
}
.markdown-body h2 {
  font-size: 1.6rem;
  border-left: 3px solid #4CAF50;
  padding-left: 0.6rem;
}
.markdown-body h3 {
  font-size: 1.35rem;
  color: #67ff8f;
}

/* Paragraphs & Lists */
.markdown-body p {
  margin: 0 0 1.25rem 0;
}
.markdown-body ul,
.markdown-body ol {
  margin: 0 0 1.25rem 1.4rem;
}
.markdown-body li {
  margin-bottom: 0.4rem;
}

/* Inline Code */
.markdown-body code {
  background: rgba(255, 255, 255, 0.08);
  padding: 0.2rem 0.4rem;
  border-radius: 6px;
  font-family: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.95em;
  color: #67ff8f;
}

/* Code Blocks */
.markdown-body pre {
  background: #0d0d16;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 1.2rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}
.markdown-body pre code {
  background: transparent;
  color: #d9ffe4;
}

/* Blockquotes */
.markdown-body blockquote {
  border-left: 4px solid #4CAF50;
  background: rgba(76, 175, 80, 0.08);
  padding: 1rem 1.2rem;
  border-radius: 0 8px 8px 0;
  margin: 1.5rem 0;
  color: #b8c3cf;
  font-style: italic;
}

/* Tables */
.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.markdown-body th,
.markdown-body td {
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.6rem 0.8rem;
  text-align: left;
}
.markdown-body th {
  background: rgba(255, 255, 255, 0.04);
  color: #67ff8f;
}

/* Links */
.markdown-body a {
  color: #67ff8f;
  text-decoration: none;
  border-bottom: 1px dashed rgba(76, 175, 80, 0.4);
  transition: color 0.2s, border-color 0.2s;
}
.markdown-body a:hover {
  color: #ffffff;
  border-bottom-color: #ffffff;
}

/* Horizontal Rule */
.markdown-body hr {
  border: none;
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin: 2rem 0;
}

/* Images in markdown */
.markdown-body img {
  display: block;
  max-width: 100%;
  border-radius: 8px;
  margin: 1.2rem auto;
  object-fit: cover;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
}

/* ========== RESPONSIVE DESIGN ========== */
@media (max-width: 800px) {
  .blog-post {
    max-width: 95%;
  }
  .post-cover {
    height: 250px;
  }
  .markdown-body {
    font-size: 1rem;
    padding: 0 0.5rem;
  }
}



/* ========== TOP BAR ========== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.25rem;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.9rem;
}
.topbar a { color: #67ff8f; text-decoration: none; }
.topbar a:hover { color: #fff; }
.topbar-name { color: #9aa4b2 !important; }

/* ========== READING PROGRESS ========== */
.read-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: #4CAF50;
  z-index: 30;
  transition: width 0.1s linear;
}

/* ========== HEADER EXTRAS ========== */
.post-category {
  margin: 0 0 0.6rem;
  color: #4CAF50;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.post-meta .dot { margin: 0 0.4rem; opacity: 0.6; }
.post-tags { margin: 0.9rem 0 0; }
.post-tags .tag:first-child { margin-left: 0; }

/* ========== POST LAYOUT (body + outline) ========== */
.post-layout {
  display: block;
  padding: 0 1rem;
}
.post-layout .markdown-body {
  max-width: 760px;
  padding: 0;
  margin: 0 auto 2rem;
}
.post-layout.has-toc {
  display: grid;
  grid-template-columns: minmax(0, 760px) 240px;
  justify-content: center;
  column-gap: 3rem;
}
.post-layout.has-toc .markdown-body { grid-column: 1; grid-row: 1; margin: 0 0 2rem; }
.post-layout.has-toc .toc-wrap { grid-column: 2; grid-row: 1; }

/* ========== OUTLINE ========== */
.toc {
  position: sticky;
  top: 4.5rem;
  max-height: calc(100vh - 6rem);
  overflow-y: auto;
  font-size: 0.88rem;
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  padding-left: 1rem;
}
.toc summary {
  cursor: pointer;
  color: #9aa4b2;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}
.toc ol { list-style: none; margin: 0; padding: 0; }
.toc li { margin: 0.35rem 0; line-height: 1.35; }
.toc .toc-l3 { padding-left: 0.9rem; font-size: 0.84rem; }
.toc a {
  color: #9aa4b2;
  text-decoration: none;
  display: block;
  transition: color 0.15s;
}
.toc a:hover { color: #fff; }
.toc a.current { color: #67ff8f; font-weight: 600; }

html { scroll-behavior: smooth; }
.markdown-body h1, .markdown-body h2, .markdown-body h3, .markdown-body h4 { scroll-margin-top: 4.5rem; }

@media (max-width: 1000px) {
  .post-layout.has-toc { display: block; }
  .toc-wrap { margin: 0 auto 1.5rem; max-width: 760px; }
  .toc {
    position: static;
    max-height: none;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 0.8rem 1rem;
    background: rgba(255, 255, 255, 0.02);
  }
}

/* ========== CODE BLOCKS ========== */
.markdown-body pre { position: relative; }
.markdown-body pre code { font-size: 0.88rem; line-height: 1.6; white-space: pre; }
.copy-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  color: #9aa4b2;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s;
}
.markdown-body pre:hover .copy-btn,
.copy-btn:focus-visible { opacity: 1; }
.copy-btn:hover { color: #fff; }

/* Syntax colours (Prism token classes from markdown-it-prism) */
.token.comment, .token.prolog, .token.doctype, .token.cdata { color: #6b7a8c; font-style: italic; }
.token.punctuation { color: #9aa4b2; }
.token.property, .token.tag, .token.constant, .token.symbol, .token.deleted { color: #ff7b72; }
.token.boolean, .token.number { color: #79c0ff; }
.token.selector, .token.attr-name, .token.string, .token.char, .token.builtin, .token.inserted { color: #a5d6a7; }
.token.operator, .token.entity, .token.url { color: #d2a8ff; }
.token.atrule, .token.attr-value, .token.keyword { color: #ffa657; }
.token.function, .token.class-name { color: #79c0ff; }
.token.regex, .token.important, .token.variable { color: #e3b341; }

/* ========== PREV / NEXT ========== */
.post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  max-width: 760px;
  margin: 2rem auto 3rem;
  padding: 0 1rem;
}
.post-nav-link {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  text-decoration: none;
  color: #e8f0f8;
  transition: border-color 0.2s, background 0.2s;
}
.post-nav-link:hover { border-color: #4CAF50; background: rgba(76, 175, 80, 0.06); }
.post-nav-link span { color: #9aa4b2; font-size: 0.8rem; }
.post-nav-link.next { text-align: right; grid-column: 2; }
@media (max-width: 600px) {
  .post-nav { grid-template-columns: 1fr; }
  .post-nav-link.next { grid-column: 1; }
  .post-title { font-size: 1.9rem; }
}

/* ========== SITE-WIDE ADDITIONS (match main theme) ========== */
.post-title, .markdown-body h1, .markdown-body h2, .markdown-body h3, .markdown-body h4 { font-family: 'Sora', system-ui, sans-serif; letter-spacing: -0.01em; }
.post-meta, .post-category, .toc summary, .post-nav-link span { font-family: 'JetBrains Mono', ui-monospace, monospace; }
.topbar a:hover { color: #67ff8f; }
:focus-visible { outline: 2px solid #67ff8f; outline-offset: 3px; border-radius: 6px; }
.skip-link { position: fixed; left: 12px; top: -60px; z-index: 100; padding: 10px 16px; border-radius: 8px; background: #4CAF50; color: #04110a; font-weight: 600; text-decoration: none; transition: top .15s; }
.skip-link:focus { top: 12px; }
::selection { background: rgba(76,175,80,.35); color: #fff; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }