:root {
  --black: #000000;
  --black-soft: #050505;
  --black-panel: #0a0a0a;
  --black-border: #172326;
  --text: #d7ffff;
  --muted: #8eb8b8;
  --blue: #75e7ff;
  --green: #72f0b4;
}

* {
  box-sizing: border-box;
}

html {
  background: #000;
}

body {
  margin: 0;
  background: #000;
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.7;
}

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover {
  color: var(--green);
}

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

.site-shell {
  width: min(1240px, calc(100% - 32px));
  margin: 32px auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 28px;
}

.content,
.sidebar {
  background: var(--black-panel);
  border: 1px solid var(--black-border);
}

.content {
  min-width: 0;
  padding: 28px;
}

.sidebar {
  height: max-content;
  padding: 20px;
  position: sticky;
  top: 24px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 22px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--black-border);
}

.brand {
  color: var(--text);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px;
  font-size: .9rem;
}

.post {
  padding: 20px 0;
  border-bottom: 1px solid var(--black-border);
}

.post:first-child {
  padding-top: 0;
}

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

.entry-header h1,
.entry-header h2 {
  margin: 0 0 8px;
  line-height: 1.25;
  color: var(--text);
}

.entry-header h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.entry-header h2 {
  font-size: clamp(1.5rem, 3vw, 2.3rem);
}

.meta {
  color: var(--muted);
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.entry-content {
  margin-top: 20px;
}

.entry-content h1,
.entry-content h2,
.entry-content h3,
.entry-content h4 {
  color: var(--blue);
}

.entry-content blockquote {
  margin-left: 0;
  padding-left: 18px;
  border-left: 3px solid var(--green);
  color: var(--muted);
}

.entry-content code,
.entry-content pre {
  background: #000;
  border: 1px solid var(--black-border);
}

.entry-content code {
  padding: 2px 5px;
}

.entry-content pre {
  overflow-x: auto;
  padding: 16px;
}

.read-more {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--blue);
  color: var(--blue);
}

.read-more:hover {
  border-color: var(--green);
  color: var(--green);
}

.sidebar-box {
  padding: 18px 0;
  border-bottom: 1px solid var(--black-border);
}

.sidebar-box:first-child {
  padding-top: 0;
}

.sidebar-box:last-child {
  border-bottom: 0;
}

.sidebar-box h3,
.sidebar-box h4 {
  margin: 0 0 12px;
  color: var(--green);
}

.sidebar-box p {
  color: var(--muted);
}

.sidebar-box ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-box li {
  padding: 7px 0;
}

.site-footer {
  width: min(1240px, calc(100% - 32px));
  margin: 0 auto 32px;
  padding-top: 18px;
  border-top: 1px solid var(--black-border);
  color: var(--muted);
  font-size: .85rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

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

  .sidebar {
    position: static;
    order: 2;
  }
}

@media (max-width: 600px) {
  .site-shell {
    width: min(100% - 20px, 1240px);
    margin: 10px auto;
  }

  .content {
    padding: 20px 16px;
  }

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

  .main-nav {
    justify-content: flex-start;
  }

  .site-footer {
    width: min(100% - 20px, 1240px);
  }
}