:root {
  --bg-sidebar: #0f172a;
  --bg-main: #1e293b;
  --card-bg: #2d3748;
  --accent: #0ea5e9;
  --text-title: #f1f5f9;
  --text-body: #cbd5e1;
  --text-muted: #94a3b8;
  --border: #334155;

  --theme-color: #0ea5e9;
  --sidebar-width: 280px;
  --sidebar-background: var(--bg-sidebar);
  --sidebar-nav-link-color--active: #fff;
  --sidebar-nav-link-background--active: var(--accent);
  --sidebar-nav-link-color--hover: var(--text-title);
  --sidebar-nav-link-background--hover: var(--border);
  --sidebar-name-color: var(--text-title);
  --sidebar-name-font-weight: 700;
  --base-background-color: var(--bg-main);
  --base-color: var(--text-body);
  --heading-color: var(--text-title);
  --content-max-width: 900px;
  --link-color: var(--accent);
  --link-color--hover: #38bdf8;
  --code-theme-background: #0f172a;
  --code-inline-background: #334155;
  --code-inline-color: #38bdf8;
  --search-background: var(--card-bg);
  --search-result-heading-color: var(--text-title);
  --search-result-keyword-background: rgba(14, 165, 233, 0.3);
}

/* Sidebar */
.sidebar {
  background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
  border-right: 1px solid var(--border);
}
.sidebar-nav a {
  border-radius: 8px;
  margin: 2px 8px;
  padding: 6px 12px;
  transition: all 0.2s;
}
.sidebar-nav li.active > a {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}
.app-name-link {
  font-size: 1.25rem;
  padding: 1rem 1.25rem;
}

/* Content */
.markdown-section {
  padding: 2rem 3rem;
}
.markdown-section h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-title);
  border-bottom: 2px solid var(--border);
  padding-bottom: 0.5rem;
}
.markdown-section h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-title);
  margin: 2rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}
.markdown-section h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-title);
}
.markdown-section p {
  line-height: 1.8;
  color: var(--text-body);
}

/* Code blocks */
.markdown-section pre {
  background: #0f172a;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.25rem;
}
.markdown-section code {
  font-family: "JetBrains Mono", "Fira Code", monospace;
  font-size: 0.875rem;
}

/* Tables */
.markdown-section table {
  border-collapse: separate;
  border-spacing: 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.markdown-section th {
  background: var(--card-bg);
  color: var(--text-title);
  font-weight: 600;
  padding: 0.75rem 1rem;
}
.markdown-section td {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border);
}

/* Blockquote */
.markdown-section blockquote {
  background: var(--card-bg);
  border-left: 4px solid var(--accent);
  border-radius: 0 8px 8px 0;
  padding: 1rem 1.25rem;
  margin: 1rem 0;
  color: var(--text-body);
}

/* Search */
.search input {
  background: var(--card-bg) !important;
  border: 1px solid var(--border) !important;
  border-radius: 12px !important;
  color: var(--text-body) !important;
  padding: 8px 16px !important;
}
.search input:focus {
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2) !important;
}

/* Hero cards for homepage */
.hero-cards {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 1.5rem 0;
}
.hero-card {
  flex: 1;
  min-width: 200px;
  background: var(--card-bg);
  border-radius: 12px;
  padding: 1.25rem;
  transition: transform 0.2s, box-shadow 0.2s;
}
.hero-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(14, 165, 233, 0.15);
}
.hero-card h3 {
  margin-top: 0;
  border: none;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}