/* Custom styles to match CS61C website aesthetic */
:root {
  --sidebar-width: 300px;
  --sidebar-background: #f8f9fa;
  --sidebar-border: #dee2e6;
  --link-color: #0066cc;
  --link-hover: #004499;
}

.sidebar {
  background-color: var(--sidebar-background);
  border-right: 1px solid var(--sidebar-border);
}

.sidebar .sidebar-title {
  font-weight: 600;
  font-size: 1.1em;
  padding: 1rem;
  border-bottom: 1px solid var(--sidebar-border);
}

.sidebar .sidebar-menu a {
  color: var(--link-color);
  text-decoration: none;
  padding: 0.5rem 1rem;
  display: block;
  border-radius: 4px;
  transition: background-color 0.2s;
}

.sidebar .sidebar-menu a:hover {
  background-color: #e9ecef;
  color: var(--link-hover);
}

.sidebar .sidebar-menu a.active {
  background-color: #dee2e6;
  font-weight: 500;
}

/* Main content area */
.main-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem;
}

/* Code blocks */
pre {
  background-color: #f8f9fa;
  border: 1px solid #dee2e6;
  border-radius: 4px;
  padding: 1rem;
}

code {
  background-color: #f8f9fa;
  padding: 0.2em 0.4em;
  border-radius: 3px;
  font-size: 0.9em;
}

/* Tables */
table {
  border-collapse: collapse;
  width: 100%;
  margin: 1rem 0;
}

table th,
table td {
  border: 1px solid #dee2e6;
  padding: 0.75rem;
  text-align: left;
}

table th {
  background-color: #f8f9fa;
  font-weight: 600;
}

/* Headings */
h1 {
  border-bottom: 2px solid #dee2e6;
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
}

h2 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  padding-top: 1rem;
  border-top: 1px solid #dee2e6;
}

h3 {
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

/* Links */
a {
  color: var(--link-color);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  color: var(--link-hover);
}

/* Lists */
ul, ol {
  margin: 1rem 0;
  padding-left: 2rem;
}

li {
  margin: 0.5rem 0;
}

/* Blockquotes */
blockquote {
  border-left: 4px solid #dee2e6;
  padding-left: 1rem;
  margin: 1rem 0;
  color: #6c757d;
  font-style: italic;
}