:root {
  color-scheme: dark;
  --bg: #0b1020;
  --bg-elevated: #131a2f;
  --paper: #141d34;
  --paper-soft: #1a2744;
  --ink: #e9eefb;
  --muted: #a9b5cf;
  --line: #2b395d;
  --accent: #74a9ff;
  --accent-soft: #1a335f;
  --shadow: rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 0%, rgba(116, 169, 255, 0.2), transparent 26%),
    radial-gradient(circle at 95% 15%, rgba(63, 100, 173, 0.22), transparent 28%),
    var(--bg);
  color: var(--ink);
  font-family: "Georgia", "Times New Roman", serif;
  line-height: 1.6;
}

.site-shell {
  max-width: 1160px;
  margin: 0 auto;
  padding: 1.25rem 1rem 3rem;
}

.site-header {
  background: linear-gradient(180deg, var(--paper-soft), var(--paper));
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1.1rem 1.2rem;
  box-shadow: 0 8px 24px var(--shadow);
}

.title-wrap h1 {
  margin: 0.2rem 0 0;
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  line-height: 1.2;
}

.site-kicker {
  margin: 0;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.76rem;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  font-weight: 700;
}

.site-nav {
  margin-top: 0.9rem;
  border-top: 1px solid var(--line);
  padding-top: 0.7rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.site-nav a {
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  font-size: 0.85rem;
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
}

.site-nav a:hover {
  color: var(--accent);
}

.hero-banner {
  margin-top: 0.95rem;
  background: linear-gradient(180deg, var(--paper-soft), var(--paper));
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1rem 1.2rem;
}

.hero-banner p {
  margin: 0;
  color: var(--muted);
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  font-size: 0.9rem;
}

.search-bar {
  margin-top: 0.85rem;
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.search-bar input,
.search-bar button,
.tag-chip,
.ghost-btn {
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
}

.search-bar input {
  flex: 1 1 240px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg-elevated);
  color: var(--ink);
  font-size: 0.9rem;
  padding: 0.68rem 0.78rem;
}

.search-bar button,
.ghost-btn {
  border: 1px solid var(--accent);
  border-radius: 6px;
  color: #081327;
  background: var(--accent);
  cursor: pointer;
  padding: 0.62rem 0.95rem;
  font-size: 0.82rem;
  font-weight: 700;
}

.search-bar button:hover,
.ghost-btn:hover {
  opacity: 0.92;
}

.content {
  margin-top: 1rem;
}

.blog-layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(260px, 1fr);
  gap: 1rem;
  align-items: start;
}

.main-column,
.sidebar-column {
  display: grid;
  gap: 0.95rem;
}

.panel {
  background: linear-gradient(180deg, var(--paper-soft), var(--paper));
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1rem;
  box-shadow: 0 8px 24px var(--shadow);
}

.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.stat-pill {
  border: 1px solid var(--line);
  color: var(--muted);
  border-radius: 999px;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  font-size: 0.76rem;
  padding: 0.24rem 0.72rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.tag-chip {
  border: 1px solid var(--line);
  background: var(--bg-elevated);
  border-radius: 999px;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.74rem;
  padding: 0.3rem 0.68rem;
}

.tag-chip.active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.stream {
  display: grid;
  gap: 0.9rem;
}

.post-card {
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.85rem;
}

.post-card:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.post-card h2 {
  margin: 0.1rem 0 0.35rem;
  font-size: 1.45rem;
  line-height: 1.25;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
}

.post-excerpt {
  margin: 0.6rem 0 0.35rem;
  color: #d8e2f8;
}

.inline-link {
  color: var(--accent);
  text-decoration: none;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  font-weight: 700;
  font-size: 0.82rem;
}

.inline-link:hover {
  text-decoration: underline;
}

.pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.ghost-btn {
  color: var(--accent);
  background: var(--bg-elevated);
}

.ghost-btn.active {
  color: #081327;
  background: var(--accent);
}

.sidebar-panel h3 {
  margin: 0 0 0.45rem;
  font-size: 1rem;
}

.sidebar-panel p,
.sidebar-panel li,
.sidebar-panel a {
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  font-size: 0.82rem;
  color: var(--muted);
}

.sidebar-panel ul {
  margin: 0;
  padding-left: 1rem;
}

.sidebar-panel li {
  margin-bottom: 0.28rem;
}

.sidebar-panel a {
  color: var(--accent);
  text-decoration: none;
}

.sidebar-panel a:hover {
  text-decoration: underline;
}

.post-view {
  background: linear-gradient(180deg, var(--paper-soft), var(--paper));
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1.2rem 1.4rem;
  box-shadow: 0 8px 24px var(--shadow);
}

.post-view h2 {
  margin: 0.3rem 0 0.45rem;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  line-height: 1.22;
}

.post-view p {
  margin: 0.72rem 0;
}

.article-section {
  margin-top: 1.1rem;
}

.article-section h3 {
  margin: 0 0 0.35rem;
  font-size: 1.22rem;
}

.takeaways,
.checklist {
  margin-top: 1rem;
  border-left: 3px solid var(--accent);
  padding-left: 0.75rem;
}

.takeaways ul,
.checklist ul {
  margin: 0.38rem 0 0;
  padding-left: 1rem;
}

.related-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.related-list a {
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--accent);
  background: var(--bg-elevated);
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  font-size: 0.75rem;
  text-decoration: none;
  padding: 0.28rem 0.62rem;
}

.site-footer {
  margin-top: 1.2rem;
  color: var(--muted);
  text-align: center;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  font-size: 0.8rem;
}

code {
  color: #b8c9ff;
}

@media (max-width: 900px) {
  .blog-layout {
    grid-template-columns: 1fr;
  }
}