/* Piston Labs Docs - GitHub-inspired styling with dark mode */
:root {
  --color-bg: #ffffff;
  --color-text: #1f2328;
  --color-text-muted: #57606a;
  --color-border: #d0d7de;
  --color-bg-subtle: #f6f8fa;
  --color-accent: #0969da;
  --color-accent-emphasis: #0550ae;
  --color-code-bg: rgba(175,184,193,0.2);
  --max-width: 980px;
}

[data-theme="dark"] {
  --color-bg: #0d1117;
  --color-text: #e6edf3;
  --color-text-muted: #8b949e;
  --color-border: #30363d;
  --color-bg-subtle: #161b22;
  --color-accent: #58a6ff;
  --color-accent-emphasis: #79c0ff;
  --color-code-bg: rgba(110,118,129,0.4);
}

* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
  margin: 0;
  padding: 0;
  transition: background-color 0.3s, color 0.3s;
}

/* Header */
.site-header {
  background: var(--color-bg-subtle);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 24px;
}

.site-header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  font-size: 1.25em;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
}

.site-logo:hover { color: var(--color-accent); }

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 14px;
}

.site-nav a:hover { color: var(--color-accent); }

/* Theme toggle */
.theme-toggle {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 6px 10px;
  cursor: pointer;
  color: var(--color-text-muted);
  font-size: 16px;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: border-color 0.2s, color 0.2s;
}

.theme-toggle:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  width: 16px;
  height: 16px;
}

[data-theme="dark"] .theme-toggle .icon-sun { display: inline; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
[data-theme="light"] .theme-toggle .icon-sun { display: none; }
[data-theme="light"] .theme-toggle .icon-moon { display: inline; }

/* Main content */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 24px;
}

/* Index page */
.hero {
  text-align: center;
  padding: 48px 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 48px;
}

.hero h1 {
  font-size: 2.5em;
  margin: 0 0 16px 0;
}

.hero p {
  font-size: 1.25em;
  color: var(--color-text-muted);
  margin: 0;
}

.doc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.doc-card {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 24px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
  background: var(--color-bg);
}

.doc-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.doc-card h3 {
  margin: 0 0 8px 0;
  color: var(--color-accent);
}

.doc-card p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 14px;
}

.doc-card .tag {
  display: inline-block;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 2px 10px;
  font-size: 12px;
  margin-top: 12px;
  color: var(--color-text-muted);
}

/* Document pages */
.doc-content {
  max-width: 800px;
}

.doc-content h1 { font-size: 2em; border-bottom: 1px solid var(--color-border); padding-bottom: 0.3em; margin-top: 0; }
.doc-content h2 { font-size: 1.5em; border-bottom: 1px solid var(--color-border); padding-bottom: 0.3em; margin-top: 24px; }
.doc-content h3 { font-size: 1.25em; margin-top: 24px; }
.doc-content h4 { font-size: 1em; margin-top: 24px; }

.doc-content p { margin: 16px 0; }

.doc-content table {
  border-collapse: collapse;
  width: 100%;
  margin: 16px 0;
  display: block;
  overflow-x: auto;
}

.doc-content th, .doc-content td {
  border: 1px solid var(--color-border);
  padding: 6px 13px;
  text-align: left;
}

.doc-content th {
  background: var(--color-bg-subtle);
  font-weight: 600;
}

.doc-content tr:nth-child(even) td {
  background: var(--color-bg-subtle);
}

.doc-content code {
  background: var(--color-code-bg);
  padding: 0.2em 0.4em;
  border-radius: 6px;
  font-size: 85%;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

.doc-content pre {
  background: var(--color-bg-subtle);
  padding: 16px;
  border-radius: 6px;
  overflow-x: auto;
  font-size: 85%;
  line-height: 1.45;
  border: 1px solid var(--color-border);
}

.doc-content pre code {
  background: none;
  padding: 0;
  font-size: 100%;
}

.doc-content hr {
  border: none;
  height: 0.25em;
  background: var(--color-border);
  margin: 24px 0;
}

.doc-content blockquote {
  border-left: 4px solid var(--color-border);
  padding: 0 16px;
  color: var(--color-text-muted);
  margin: 16px 0;
}

.doc-content ul, .doc-content ol { padding-left: 2em; }
.doc-content li + li { margin-top: 0.25em; }
.doc-content a { color: var(--color-accent); }
.doc-content a:hover { text-decoration: underline; }
.doc-content strong { font-weight: 600; }

/* Breadcrumb */
.breadcrumb {
  font-size: 14px;
  margin-bottom: 24px;
  color: var(--color-text-muted);
}

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

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 24px;
  margin-top: 48px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 14px;
}

/* Print */
@media print {
  .site-header, .site-footer, .breadcrumb, .theme-toggle { display: none; }
  .container { padding: 0; max-width: 100%; }
  body { background: white; color: black; }
}

/* Mobile */
@media (max-width: 600px) {
  .hero h1 { font-size: 1.75em; }
  .hero p { font-size: 1em; }
  .doc-grid { grid-template-columns: 1fr; }
  .site-nav { gap: 12px; }
  .site-nav a { font-size: 13px; }
}