/* Base layout and typography */
:root {
  color-scheme: light;
  --bg: #f8f8f9;
  --panel: #ffffff;
  --text: #1f2429;
  --muted: #5c6470;
  --border: #e1e4e8;
  --accent: #2f73da;
  --accent-strong: #1f5bb2;
  --code: #0f172a;
  --code-bg: #f1f4f9;
  --shadow: 0 8px 30px rgba(15, 23, 42, 0.08);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
}

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

a:hover,
a:focus-visible {
  text-decoration: underline;
}

header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(248, 248, 249, 0.9);
  border-bottom: 1px solid var(--border);
}

.topbar {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  font-weight: 700;
  letter-spacing: -0.01em;
}

.version-links {
  display: flex;
  gap: 10px;
  align-items: center;
}

.version-pill {
  padding: 6px 12px;
  border-radius: 14px;
  background: #e7eefb;
  color: var(--accent-strong);
  font-weight: 600;
  font-size: 14px;
  border: 1px solid #d3ddf4;
}

.layout {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 20px 80px;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 28px;
}

main {
  min-width: 0;
}

section {
  margin-bottom: 32px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 22px;
  box-shadow: var(--shadow);
}

section h2 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 22px;
}

p {
  margin: 0 0 12px;
}

.muted {
  color: var(--muted);
}

/* Table styling */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

th, td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--muted);
}

tbody tr:hover {
  background: #f6f8fb;
}

/* Code blocks */
pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  overflow-x: auto;
  position: relative;
  margin: 0 0 14px;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  color: var(--code);
  font-size: 14px;
}

.copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--accent-strong);
  border-radius: 10px;
  padding: 6px 10px;
  font-size: 12px;
  cursor: pointer;
  transition: background 0.1s, border-color 0.1s;
}

.copy-btn:hover,
.copy-btn:focus-visible {
  background: #eef2fb;
  border-color: #cbd5f1;
}

.tag {
  display: inline-block;
  background: #eef2f5;
  border: 1px solid var(--border);
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 13px;
  color: var(--muted);
  margin-right: 6px;
}

.badge {
  background: #e7f6ed;
  color: #1f7a4d;
  border: 1px solid #cfead9;
}

.on-this-page {
  position: sticky;
  top: 90px;
  align-self: start;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.on-this-page h3 {
  margin: 0 0 10px;
  font-size: 15px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--muted);
}

.on-this-page ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}

.on-this-page a {
  color: var(--text);
}

.on-this-page a:hover,
.on-this-page a:focus-visible {
  color: var(--accent-strong);
}

.pill-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #f4f6f9;
  color: var(--text);
  font-weight: 500;
}

.pill small {
  color: var(--muted);
  font-weight: 400;
}

.grid-two {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.callout {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #f6f8fb;
}

footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px 40px;
  color: var(--muted);
  font-size: 14px;
}

/* Mobile */
@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }
  .on-this-page {
    display: none;
  }
  header {
    position: sticky;
  }
}