:root {
  --primary-bg: #ffffff;
  --sidebar-bg: #f8f9fa;
  --border-color: #ddd;
  --text-color: #333;
  --accent: #3b82f6;
  --shadow: rgba(0, 0, 0, 0.05);
  --cell-bg: #f9fafb;
  --main-bg: #f5f7fa;
  --header-bg: #cbcbcb;
  --grey-block-bg: #f0f0f0;
  --grey-block-border: #ccc;
  --code-bg: #f0f4f8;
  --th-bg: #e2e8f0;
  --th-color: #444;
  --td-color: #333;
  --table-border: #e0e0e0;
  --hover-bg: #f0f4f8;
  --nav-strong-color: #111;
  --breadcrumb-color: #666;
  --version-color: #4a5568;
}

body.dark-mode {
  --primary-bg: #1e1e1e;
  --sidebar-bg: #252526;
  --border-color: #3c3c3c;
  --text-color: #d4d4d4;
  --accent: #4a9eff;
  --shadow: rgba(0, 0, 0, 0.4);
  --cell-bg: #2d2d2d;
  --main-bg: #1a1a1a;
  --header-bg: #2d2d2d;
  --grey-block-bg: #2d2d2d;
  --grey-block-border: #404040;
  --code-bg: #2a2a2a;
  --th-bg: #333333;
  --th-color: #d4d4d4;
  --td-color: #cccccc;
  --table-border: #404040;
  --hover-bg: #383838;
  --nav-strong-color: #e0e0e0;
  --breadcrumb-color: #999;
  --version-color: #999;
}

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, sans-serif;
  color: var(--text-color);
  background-color: var(--primary-bg);
  display: flex;
  flex-direction: column;
  height: 100vh;
}

#side-nav li {
  margin-bottom: 2px;
  line-height: 1.1;
}

#side-nav ul {
  margin-bottom: 0.5em;
}

header {
  background-color: var(--header-bg);
}

.version {
  font-size: 0.85rem;
  color: var(--version-color);
  padding: 0px 1rem 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-toggle {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 3px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.75rem;
  font-family: inherit;
}

.theme-toggle:hover {
  opacity: 0.85;
}

.container {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.nav-wrapper {
  width: 250px;
  background-color: var(--sidebar-bg);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.nav-search {
  margin: 8px;
  padding: 6px 10px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.85rem;
  font-family: inherit;
  background-color: var(--primary-bg);
  color: var(--text-color);
  outline: none;
}

.nav-search:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15);
}

nav {
  width: 250px;
  background-color: var(--sidebar-bg);
  padding: 5px 1rem 1rem;
  overflow-y: auto;
  flex: 1;
}

nav strong {
  display: block;
  margin-top: 1rem;
  font-size: 1rem;
  color: var(--nav-strong-color);
}

nav ul {
  padding-left: 1rem;
  margin: 0;
}

nav li {
  margin: 0.5rem 0;
}

nav a {
  text-decoration: none;
  color: var(--accent);
  font-size: 0.95rem;
}

nav a:hover {
  text-decoration: underline;
}

main {
  flex: 1;
  padding: 20px 1rem 1rem;
  overflow-y: auto;
  background-color: var(--main-bg);
  scroll-margin-top: 75px;
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--breadcrumb-color);
  margin-bottom: 0.5rem;
}

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

.breadcrumb a:hover {
  text-decoration: underline;
}

.inheritance-info {
  font-size: 0.9rem;
  color: var(--breadcrumb-color);
  margin-bottom: 1rem;
  padding: 8px 12px;
  background-color: var(--code-bg);
  border-radius: 6px;
  border-left: 3px solid var(--accent);
}

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

.inheritance-info a:hover {
  text-decoration: underline;
}

.card {
  background-color: var(--primary-bg);
  border-radius: 12px;
  box-shadow: 0 4px 8px var(--shadow);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

h1 {
  font-size: 2.15rem;
  margin-top: 0;
  margin-bottom: 0.2rem;
}

h2 {
  font-size: 28px;
}

h3 {
  font-size: 18px;
}

h4 {
  font-size: 8px;
}

.subtitle {
  margin-top: -0.5rem;
  margin-bottom: 1rem;
  color: #666;
  font-size: 0.95rem;
}

pre {
  background-color: var(--code-bg);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  overflow-x: auto;
  font-family: Consolas, monospace;
  font-size: 0.9rem;
  margin-top: 0.5rem;
  margin-bottom: 1rem;
}

a {
  color: var(--accent);
}

table {
  border-collapse: separate;
  border-spacing: 0;
  width: 100%;
  margin-top: 1rem;
  font-size: 0.95rem;
}

th, td {
  padding: 0.75rem 1rem;
  text-align: left;
  border: 1px solid var(--table-border);
}

th {
  background-color: var(--th-bg);
  font-weight: 600;
  color: var(--th-color);
}

td {
  background-color: var(--cell-bg);
  color: var(--td-color);
}

thead tr:first-child th:first-child {
  border-top-left-radius: 8px;
}

thead tr:first-child th:last-child {
  border-top-right-radius: 8px;
}

tbody tr:last-child td:first-child {
  border-bottom-left-radius: 8px;
}

tbody tr:last-child td:last-child {
  border-bottom-right-radius: 8px;
}

tr:hover td {
  background-color: var(--hover-bg);
}

.grey-block {
  background-color: var(--grey-block-bg);
  border: 1px solid var(--grey-block-border);
  padding: 16px;
  margin: 20px 0;
  border-radius: 8px;
}