:root {
  --page: #f7f8f7;
  --surface: #ffffff;
  --ink: #131619;
  --ink-2: #4c545e;
  --muted: #838b95;
  --border: #dde2e8;
  --accent: #2a78d6;
  --accent-ink: #1c5cab;
  --code-bg: #eef2f6;
  --code-block-bg: #10151b;
  --code-block-ink: #d5dde6;
  --code-keyword: #ff7b72;
  --code-type: #d2a8ff;
  --code-function: #79c0ff;
  --code-string: #a5d6ff;
  --code-number: #ffa657;
  --code-literal: #ffab70;
  --code-comment: #8b949e;
  --code-operator: #ff7b72;
  --code-property: #7ee787;
  --code-tag: #7ee787;
  --code-attribute: #d2a8ff;
  --code-entity: #ffa657;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --page: #0e1013;
    --surface: #171a1f;
    --ink: #eceef1;
    --ink-2: #b3bac2;
    --muted: #7d848d;
    --border: #2a2f36;
    --accent: #3987e5;
    --accent-ink: #6da7ec;
    --code-bg: #21262e;
    --code-block-bg: #0b0e12;
    --code-block-ink: #ccd5df;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 15.5px/1.65 system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: var(--accent-ink); text-decoration: none; }
a:hover { text-decoration: underline; }

.shell { min-height: 100vh; display: flex; flex-direction: column; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 28px; border-bottom: 1px solid var(--border); background: var(--surface);
  position: sticky; top: 0; z-index: 5;
}
.brand { font-weight: 700; font-size: 18px; letter-spacing: -0.01em; color: var(--ink); }
.topnav { display: flex; gap: 20px; font-size: 14px; }

.columns { display: flex; flex: 1; max-width: 1200px; width: 100%; margin: 0 auto; }
.sidebar {
  width: 240px; flex: none; padding: 28px 20px 48px;
  border-right: 1px solid var(--border);
}
.nav-section { margin-bottom: 20px; }
.nav-title {
  margin: 0 0 6px; font-size: 11.5px; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.sidebar ul { list-style: none; margin: 0; padding: 0; }
.sidebar li { margin: 1px 0; }
.nav-link {
  display: block; padding: 5px 10px; border-radius: 6px; color: var(--ink-2); font-size: 14px;
}
.nav-link:hover { background: color-mix(in srgb, var(--accent) 8%, transparent); text-decoration: none; }
.nav-link.active { background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--ink); font-weight: 600; }

.content { flex: 1; min-width: 0; padding: 36px 44px 72px; max-width: 780px; }
.content h1 { font-size: 30px; line-height: 1.2; letter-spacing: -0.015em; margin: 0 0 14px; text-wrap: balance; }
.content h2 { font-size: 21px; letter-spacing: -0.01em; margin: 36px 0 10px; padding-top: 8px; }
.content h3 { font-size: 17px; margin: 26px 0 8px; }
.content p, .content li { color: var(--ink-2); max-width: 68ch; }
.content li { margin: 3px 0; }
.content strong { color: var(--ink); }
.content hr { border: 0; border-top: 1px solid var(--border); margin: 32px 0; }
.content blockquote {
  margin: 16px 0; padding: 10px 18px; border-left: 3px solid var(--accent);
  background: var(--surface); border-radius: 0 8px 8px 0; color: var(--ink-2);
}
.content blockquote p { margin: 4px 0; }

.content code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.86em;
  background: var(--code-bg); padding: 1.5px 5px; border-radius: 4px;
}
.content pre {
  background: var(--code-block-bg); color: var(--code-block-ink);
  padding: 14px 18px; border-radius: 8px; overflow-x: auto;
  font-size: 13px; line-height: 1.55; margin: 14px 0;
}
.content pre code { background: none; padding: 0; font-size: inherit; color: inherit; }
.content pre .tok-keyword { color: var(--code-keyword); font-weight: 600; }
.content pre .tok-type { color: var(--code-type); }
.content pre .tok-function { color: var(--code-function); }
.content pre .tok-string { color: var(--code-string); }
.content pre .tok-number { color: var(--code-number); }
.content pre .tok-boolean, .content pre .tok-null { color: var(--code-literal); }
.content pre .tok-comment { color: var(--code-comment); font-style: italic; }
.content pre .tok-operator { color: var(--code-operator); }
.content pre .tok-punctuation { color: color-mix(in srgb, var(--code-block-ink) 76%, transparent); }
.content pre .tok-property, .content pre .tok-tag { color: var(--code-property); }
.content pre .tok-attribute { color: var(--code-attribute); }
.content pre .tok-entity { color: var(--code-entity); }

.content table { border-collapse: collapse; width: 100%; margin: 14px 0; font-size: 14px; }
.content th, .content td { text-align: left; padding: 7px 12px; border-bottom: 1px solid var(--border); }
.content th { font-weight: 600; color: var(--ink); }
.content td { color: var(--ink-2); }
.content td code { white-space: nowrap; }

.footer {
  padding: 18px 28px; border-top: 1px solid var(--border);
  color: var(--muted); font-size: 13px; text-align: center;
}

.live-example {
  margin: 18px 0; border: 1px solid var(--border); border-radius: 10px;
  background: var(--surface); overflow: hidden;
}
.live-example-slot { padding: 18px; }
.live-example-caption {
  margin: 0; padding: 8px 18px; font-size: 12.5px; color: var(--muted);
  border-top: 1px dashed var(--border);
}
.live-example-caption::before { content: "● "; color: #0ca30c; }

.ex { display: grid; gap: 10px; }
.ex-row { display: flex; gap: 8px; flex-wrap: wrap; }
.ex-value { margin: 0; font-size: 17px; font-weight: 600; color: var(--ink); }
.ex-note { margin: 0; font-size: 12.5px; color: var(--muted); }
.ex-error {
  margin: 0; font-size: 13px; color: #b3261e;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  white-space: pre-wrap; overflow-wrap: anywhere;
}
.ex-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.ex-item { display: flex; gap: 8px; align-items: center; }
.ex-item.selected > button:first-child { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); }
.ex-motion-stage { display: grid; place-items: center; min-height: 112px; }
.ex-motion-card {
  display: grid; gap: 4px; justify-items: center; text-align: center;
  padding: 16px 22px; border: 1px solid var(--border); border-radius: 12px;
  background: var(--surface);
  box-shadow: 0 12px 26px -18px rgba(0, 0, 0, 0.45);
  font-size: 12.5px; color: var(--muted);
  will-change: transform, opacity;
}
.ex-motion-card-title { font-size: 15px; font-weight: 650; color: var(--ink); }

button, input[type="text"] {
  font: inherit; color: var(--ink); background: var(--surface);
  border: 1px solid var(--border); border-radius: 6px; min-height: 34px; padding: 0 12px;
}
button { cursor: pointer; }
button:hover:not(:disabled) { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 8%, transparent); }
button:disabled { cursor: not-allowed; opacity: 0.45; }
button:focus-visible, input:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
input[type="text"] { min-width: 220px; }

.demo-link { margin: 20px 0; }
.demo-button {
  display: inline-block; padding: 10px 18px; border-radius: 8px;
  background: var(--accent); color: #ffffff; font-weight: 600;
}
.demo-button:hover { text-decoration: none; background: var(--accent-ink); }

/* server-components demo page */
.page-shell { width: min(880px, 100%); margin: 0 auto; padding: 32px 16px; display: grid; gap: 16px; }
.hero, .product, .recommendations, .runtime-log, [data-client-island-root] {
  display: block; background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; padding: 20px;
}
.page-shell h1 { margin: 0 0 8px; font-size: 26px; }
.page-shell p { margin: 8px 0 0; color: var(--ink-2); }

@media (max-width: 860px) {
  .columns { flex-direction: column; }
  .sidebar { width: 100%; border-right: 0; border-bottom: 1px solid var(--border); padding-bottom: 12px; }
  .content { padding: 24px 20px 56px; }
}