/* GeminiContextPack — static accessible styles, no JS, WCAG AA contrast, responsive */
:root {
  --bg: #ffffff;
  --fg: #0f172a;
  --muted: #334155;
  --link: #0b57d0;
  --link-visited: #5b21b6;
  --accent: #0f172a;
  --border: #cbd5e1;
  --code-bg: #f1f5f9;
  --focus: #0b57d0;
  --header-bg: #f8fafc;
}

* { box-sizing: border-box; }

html {
  font-size: 16px;
  line-height: 1.6;
  scroll-behavior: auto;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  color: var(--fg);
  background: var(--bg);
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--bg);
  color: var(--fg);
  padding: 0.5rem 0.75rem;
  border: 2px solid var(--focus);
  z-index: 100;
}
.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

/* Header */
header[role="banner"] {
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 0 1rem;
}
header h1 {
  margin: 0 0 0.25rem;
  font-size: 2rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--accent);
}
.tagline {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 1rem;
  max-width: 70ch;
}
nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
}
nav li { margin: 0; }
nav a {
  display: inline-block;
  padding: 0.2rem 0;
}

/* Main */
main {
  padding: 1.5rem 0 2rem;
}
section {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #e2e8f0;
}
section:last-child { border-bottom: none; }
h2 {
  font-size: 1.35rem;
  line-height: 1.3;
  margin: 0 0 0.75rem;
  color: var(--accent);
}
p, li { max-width: 70ch; }
a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 2px;
}
a:visited { color: var(--link-visited); }
a:hover { text-decoration-thickness: 2px; }
a:focus, button:focus {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Table — benchmark */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.92rem;
  display: block;
  overflow-x: auto;
  white-space: nowrap;
}
thead th {
  text-align: left;
  background: #f1f5f9;
  color: var(--fg);
  border: 1px solid var(--border);
  padding: 0.6rem 0.6rem;
  font-weight: 600;
}
tbody td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.6rem;
}
tbody tr:nth-child(even) { background: #f8fafc; }

/* Limitations note — adjacent to benchmark, high contrast */
.limitations {
  background: #fffbeb;
  border: 1px solid #f59e0b;
  border-left: 4px solid #d97706;
  padding: 0.9rem 1rem;
  margin-top: 1rem;
  color: #1e293b;
}
.limitations p {
  margin: 0 0 0.5rem;
  max-width: none;
}
.limitations p:last-child { margin-bottom: 0; }
.limitations strong { color: #0f172a; }

/* Code */
pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  padding: 0.9rem 1rem;
  overflow-x: auto;
  font-size: 0.875rem;
  line-height: 1.5;
}
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.9em;
  background: var(--code-bg);
  padding: 0.1em 0.3em;
  border-radius: 3px;
}
pre code {
  background: none;
  padding: 0;
}

/* Footer */
footer[role="contentinfo"] {
  border-top: 1px solid var(--border);
  background: var(--header-bg);
  padding: 1.25rem 0;
  font-size: 0.875rem;
  color: var(--muted);
}
footer a { color: var(--link); }

/* Responsive */
@media (max-width: 640px) {
  html { font-size: 15px; }
  header h1 { font-size: 1.6rem; }
  .container { padding: 0 1rem; }
  table { font-size: 0.85rem; }
  pre { font-size: 0.8rem; }
}

@media (min-width: 1024px) {
  .container { max-width: 1024px; }
}

/* High contrast mode support */
@media (prefers-contrast: more) {
  :root { --link: #0033cc; --focus: #000000; }
  a { text-decoration-thickness: 2px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* Print */
@media print {
  header, footer { background: none; }
  a { color: #000; }
  .skip-link { display: none; }
}