:root {
  --bg: #f5f1e8;
  --panel: #fffdf8;
  --panel-2: #f0e8db;
  --text: #2a241d;
  --muted: #6c6258;
  --line: #d8cbb6;
  --accent: #8e4b10;
  --accent-soft: #f3e0cc;
  --code-bg: #2e2a26;
  --code-text: #f4efe8;
  --shadow: 0 18px 50px rgba(55, 38, 15, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  margin: 0;
  padding: 0;
  background: linear-gradient(180deg, #efe4d2 0%, var(--bg) 220px);
  color: var(--text);
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.6;
}

body {
  margin: 0;
  padding: 0;
}

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

a:hover {
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 251, 244, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(216, 203, 182, 0.8);
}

.site-header__inner {
  max-width: 1500px;
  margin: 0 auto;
  padding: 14px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.site-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-links {
  display: flex;
  gap: 16px;
  font-size: 0.95rem;
}

.layout {
  max-width: 1500px;
  margin: 0 auto;
  padding: 28px;
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 28px;
}

.sidebar {
  align-self: start;
  position: sticky;
  top: 78px;
}

.sidebar__inner,
.content {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.sidebar__inner {
  padding: 22px 20px;
  max-height: calc(100vh - 110px);
  overflow: auto;
}

.content {
  padding: 38px 44px 56px;
  min-width: 0;
}

.sidebar h1,
.sidebar h2,
.sidebar h3 {
  font-size: 1rem;
  margin-top: 1.2em;
  margin-bottom: 0.5em;
}

.sidebar h1:first-child,
.sidebar h2:first-child,
.sidebar h3:first-child {
  margin-top: 0;
}

.sidebar ul {
  padding-left: 1.1rem;
  margin: 0.35rem 0 1rem;
}

.sidebar li {
  margin: 0.25rem 0;
}

.content h1 {
  margin-top: 0;
  margin-bottom: 0.6em;
  font-size: clamp(2rem, 3vw, 2.8rem);
  line-height: 1.15;
}

.content h2 {
  margin-top: 1.8em;
  font-size: 1.45rem;
  border-top: 1px solid var(--line);
  padding-top: 0.9em;
}

.content h3 {
  margin-top: 1.5em;
  font-size: 1.1rem;
}

.content p,
.content ul,
.content ol,
.content table,
.content pre,
.content blockquote {
  margin-top: 0.9em;
  margin-bottom: 0.9em;
}

.content .last-updated {
  margin-top: 0;
  margin-bottom: 1.2em;
  color: var(--muted);
  font-size: 0.95rem;
  font-style: italic;
}

.content code {
  font-family: "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.92em;
  background: var(--accent-soft);
  padding: 0.12em 0.35em;
  border-radius: 6px;
}

.content pre {
  background: var(--code-bg);
  color: var(--code-text);
  padding: 16px 18px;
  overflow: auto;
  border-radius: 14px;
}

.content pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

.content table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: 12px;
}

.content th,
.content td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  vertical-align: top;
  text-align: left;
}

.content th {
  background: var(--panel-2);
}

.content blockquote {
  border-left: 4px solid var(--accent);
  background: #fbf4ea;
  padding: 8px 16px;
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

  .sidebar__inner {
    max-height: none;
  }

  .content {
    padding: 28px 22px 38px;
  }

  .site-header__inner {
    padding: 14px 18px;
  }

  .layout {
    padding: 18px;
  }
}