/* Claude Agent SDK Documentation - Clean Reading Experience */

:root {
  --bg-color: #fafafa;
  --text-color: #1a1a1a;
  --accent-color: #d97706;
  --link-color: #2563eb;
  --link-hover: #1d4ed8;
  --border-color: #e5e5e5;
  --code-bg: #f3f4f6;
  --card-bg: #ffffff;
  --muted-text: #6b7280;
  --max-width: 720px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-color: #111111;
    --text-color: #e5e5e5;
    --accent-color: #f59e0b;
    --link-color: #60a5fa;
    --link-hover: #93c5fd;
    --border-color: #333333;
    --code-bg: #1f1f1f;
    --card-bg: #1a1a1a;
    --muted-text: #9ca3af;
  }
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 18px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.7;
  padding: 2rem 1.5rem;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Typography */
h1 {
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-top: 3rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

p {
  margin-bottom: 1.25rem;
}

a {
  color: var(--link-color);
  text-decoration: none;
  transition: color 0.15s ease;
}

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

/* Header */
header {
  margin-bottom: 3rem;
}

.meta {
  color: var(--muted-text);
  font-size: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.75rem;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.tag {
  display: inline-block;
  background: var(--code-bg);
  color: var(--muted-text);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.8rem;
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
}

/* Cards for index page */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  transition: box-shadow 0.2s ease;
}

.card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.card p {
  color: var(--muted-text);
  margin-bottom: 0.75rem;
}

.card .meta {
  margin-top: 0.5rem;
}

/* Code */
code {
  font-family: 'SF Mono', 'Menlo', 'Monaco', 'Courier New', monospace;
  background: var(--code-bg);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.9em;
}

pre {
  background: var(--code-bg);
  padding: 1rem 1.25rem;
  border-radius: 8px;
  overflow-x: auto;
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
  line-height: 1.5;
}

pre code {
  background: none;
  padding: 0;
}

/* Blockquotes */
blockquote {
  border-left: 3px solid var(--accent-color);
  padding-left: 1.25rem;
  margin: 1.5rem 0;
  color: var(--muted-text);
  font-style: italic;
}

/* Lists */
ul, ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
}

/* Navigation */
nav {
  margin-bottom: 2rem;
}

nav a {
  color: var(--muted-text);
  font-size: 0.9rem;
}

nav a:hover {
  color: var(--link-color);
}

/* Footer */
footer {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  color: var(--muted-text);
  font-size: 0.85rem;
}

/* Direct links section */
.links-grid {
  display: grid;
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.link-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.link-item::before {
  content: "→";
  color: var(--accent-color);
}

/* Hero section for index */
.hero {
  text-align: center;
  padding: 2rem 0 3rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.1rem;
  color: var(--muted-text);
  max-width: 600px;
  margin: 0 auto;
}

/* Table of contents */
.toc {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
}

.toc h4 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted-text);
  margin-bottom: 0.75rem;
}

.toc ul {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
}

.toc li {
  margin-bottom: 0.35rem;
}

.toc a {
  font-size: 0.95rem;
}

/* Responsive */
@media (max-width: 600px) {
  html {
    font-size: 16px;
  }

  h1 {
    font-size: 1.75rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  body {
    padding: 1.5rem 1rem;
  }
}

/* Print styles */
@media print {
  body {
    background: white;
    color: black;
    font-size: 12pt;
    line-height: 1.5;
  }

  .card {
    break-inside: avoid;
  }

  a {
    color: black;
    text-decoration: underline;
  }
}