/* annotatekit.com: page shell. The hero animation (#demo internals, .ak-*) lives in demo.css. */

:root {
  --font: Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "SF Mono", SFMono-Regular, ui-monospace, Menlo, monospace;

  --accent: #0A84FF;
  --on-accent: #fff;

  --bg: #fff;
  --bg-elevated: rgba(255, 255, 255, 0.86);
  --text: #333;
  --text-strong: rgba(0, 0, 0, 0.82);
  --text-muted: #737373;
  --text-faint: #a3a3a3;
  --hairline: rgba(0, 0, 0, 0.08);
  --code-bg: rgba(0, 0, 0, 0.035);
  --code-border: rgba(0, 0, 0, 0.06);
  --nav-hover: rgba(0, 0, 0, 0.04);
  --tag-bg: rgba(10, 132, 255, 0.1);
  --tag-text: #0060c0;

  --sidebar-w: 208px;
  --col: 560px;

  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111112;
    --bg-elevated: rgba(17, 17, 18, 0.86);
    --text: #c9c9cc;
    --text-strong: rgba(255, 255, 255, 0.92);
    --text-muted: #8e8e93;
    --text-faint: #636366;
    --hairline: rgba(255, 255, 255, 0.09);
    --code-bg: rgba(255, 255, 255, 0.045);
    --code-border: rgba(255, 255, 255, 0.07);
    --nav-hover: rgba(255, 255, 255, 0.06);
    --tag-bg: rgba(10, 132, 255, 0.18);
    --tag-text: #64b0ff;
  }
}

*, *::before, *::after { box-sizing: border-box; }

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 22px;
  letter-spacing: -0.08px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "cv11", "ss01";
}

a { color: inherit; }
img { display: block; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute;
  left: 12px; top: -40px;
  z-index: 100;
  padding: 6px 10px;
  border-radius: 6px;
  background: var(--accent);
  color: var(--on-accent);
  font-size: 13px;
  text-decoration: none;
}
.skip-link:focus { top: 12px; }

/* ---------- Sidebar ---------- */

.sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--sidebar-w);
  padding: 28px 16px 24px 22px;
  overflow-y: auto;
  z-index: 10;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 28px 10px;
  color: var(--text-strong);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.2px;
  text-decoration: none;
}
.wordmark img {
  width: 24px; height: 24px;
  border-radius: 6px;
  flex: none;
}

.nav-group + .nav-group { margin-top: 20px; }

.nav-label {
  margin: 0 0 2px;
  padding: 0 10px;
  color: var(--text-faint);
  font-size: 12px;
  line-height: 20px;
}

.sidebar ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.sidebar li a {
  position: relative;
  display: block;
  padding: 4px 10px;
  border-radius: 6px;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 20px;
  text-decoration: none;
  transition: color 0.15s, background-color 0.15s;
}
.sidebar li a:hover { color: var(--text-strong); background: var(--nav-hover); }
.sidebar li a[aria-current="location"] { color: var(--text-strong); font-weight: 500; }
.sidebar li a[aria-current="location"]::before {
  content: "";
  position: absolute;
  left: -2px; top: 50%;
  width: 5px; height: 5px;
  margin-top: -2.5px;
  border-radius: 50%;
  background: var(--accent);
}

/* ---------- Content column ---------- */

main {
  width: 100%;
  max-width: calc(var(--col) + 48px);
  margin-left: max(var(--sidebar-w), calc(50vw - var(--col) / 2 - 24px));
  padding: 40px 24px 0;
}

section {
  padding-top: 56px;
  scroll-margin-top: 0;
}
section#overview { padding-top: 0; }

p { margin: 0 0 14px; }

strong { color: var(--text-strong); font-weight: 600; }

h1 {
  margin: 36px 0 12px;
  color: var(--text-strong);
  font-size: 15px;
  line-height: 22px;
  font-weight: 600;
  letter-spacing: -0.15px;
}

h2 {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 16px;
  color: var(--text-strong);
  font-size: 13px;
  line-height: 20px;
  font-weight: 600;
  letter-spacing: -0.08px;
}
h2::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--hairline);
}

h3 {
  margin: 28px 0 8px;
  color: var(--text-strong);
  font-size: 13px;
  line-height: 20px;
  font-weight: 600;
}
h2 + h3 { margin-top: 0; }

.intro { margin-bottom: 28px; }

.note, .caption {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 20px;
}
.caption { margin: 20px 0 8px; }

/* Install line at the top */
.install-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.install-meta {
  color: var(--text-muted);
  font-size: 13px;
  white-space: nowrap;
}
.install-bar .cmd { flex: 0 1 auto; min-width: 0; margin: 0; }

/* #demo: width only; demo.css owns the height and internals. */
#demo { width: 100%; }

/* ---------- Lists ---------- */

.steps {
  counter-reset: step;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}
.steps li {
  counter-increment: step;
  position: relative;
  padding-left: 30px;
  margin-bottom: 8px;
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0; top: 2px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 1.5px var(--bg), 0 0 0 2.5px rgba(10, 132, 255, 0.25);
  color: var(--on-accent);
  font-size: 11px;
  line-height: 18px;
  font-weight: 600;
  text-align: center;
  letter-spacing: 0;
  font-variant-numeric: tabular-nums;
}

.bullets {
  margin: 0 0 16px;
  padding-left: 16px;
}
.bullets li { margin-bottom: 8px; padding-left: 2px; }
.bullets li::marker { color: var(--text-faint); }

/* ---------- Code ---------- */

code, pre {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0;
}

:not(pre) > code {
  padding: 1px 4px;
  border-radius: 4px;
  background: var(--code-bg);
  color: var(--text-strong);
  overflow-wrap: break-word;
}
:not(pre) > code.nw { white-space: nowrap; }

pre {
  margin: 0;
  padding: 12px 14px;
  overflow-x: auto;
  line-height: 20px;
  color: var(--text);
  tab-size: 4;
}
pre code { font-size: inherit; }

.code-block {
  position: relative;
  margin: 0 0 16px;
  border: 1px solid var(--code-border);
  border-radius: 10px;
  background: var(--code-bg);
}
.code-block .copy {
  position: absolute;
  top: 6px; right: 6px;
  background: var(--bg);
  box-shadow: 0 0 0 1px var(--code-border);
}

/* One-line commands */
.cmd {
  display: flex;
  align-items: center;
  gap: 4px;
  min-width: 0;
  margin: 0 0 14px;
  padding: 3px 3px 3px 12px;
  border: 1px solid var(--code-border);
  border-radius: 8px;
  background: var(--code-bg);
}
.cmd code {
  flex: 1;
  min-width: 0;
  padding: 4px 0;
  overflow-x: auto;
  white-space: nowrap;
  background: none;
  color: var(--text-strong);
  overflow-wrap: normal;
  scrollbar-width: none;
}
.cmd code::-webkit-scrollbar { display: none; }
.cmd.shell code::before { content: "$ "; color: var(--text-faint); }
.cmd.quote code { font-family: var(--font); font-size: 13px; letter-spacing: -0.08px; }

.cmd-stack { margin-bottom: 14px; }
.cmd-stack .cmd { margin-bottom: 6px; }

/* Copy buttons (hidden until JS fills them) */
.copy {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-width: 28px;
  height: 28px;
  padding: 0 7px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--text-muted);
  font: 500 12px/1 var(--font);
  cursor: pointer;
  transition: color 0.15s, background-color 0.15s;
}
html:not(.js) .copy { display: none; }
.copy:hover { color: var(--text-strong); background: var(--nav-hover); }
.copy .i-check, .copy .copy-done { display: none; }
.copy.is-copied { color: var(--accent); }
.copy.is-copied .i-copy { display: none; }
.copy.is-copied .i-check, .copy.is-copied .copy-done { display: inline; }
.copy svg { display: block; }

/* ---------- Delivery modes ---------- */

.modes { margin: 0 0 16px; }
.modes > div {
  padding: 12px 0;
  border-top: 1px solid var(--hairline);
}
.modes > div:last-child { border-bottom: 1px solid var(--hairline); }
.modes dt {
  color: var(--text-strong);
  font-weight: 600;
  font-size: 13.5px;
}
.modes dd { margin: 2px 0 0; }

.tag {
  display: inline-block;
  margin-left: 6px;
  padding: 0 6px;
  border-radius: 999px;
  background: var(--tag-bg);
  color: var(--tag-text);
  font-size: 11px;
  line-height: 18px;
  font-weight: 500;
  vertical-align: 1px;
}

details {
  margin-top: 8px;
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 0 14px;
}
details[open] { padding-bottom: 4px; }
summary {
  padding: 10px 0;
  color: var(--text-strong);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  list-style-position: inside;
}
summary::marker { color: var(--text-faint); }
details > p:first-of-type { margin-top: 2px; }

/* ---------- Footer ---------- */

.footer {
  margin-top: 72px;
  padding: 20px 0 48px;
  border-top: 1px solid var(--hairline);
  color: var(--text-muted);
  font-size: 13px;
  line-height: 20px;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  margin: 0 0 8px;
  padding: 0;
  list-style: none;
}
.footer a { text-decoration: none; }
.footer a:hover { color: var(--text-strong); }
.footer p { margin: 0; }

/* Body links */
main p a, main li a, main dd a {
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: 2px;
}

/* ---------- Mobile: sidebar becomes a top bar ---------- */

@media (max-width: 768px) {
  .sidebar {
    position: sticky;
    bottom: auto;
    width: auto;
    height: 48px;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0 0 0 16px;
    overflow: visible;
    background: var(--bg-elevated);
    -webkit-backdrop-filter: saturate(180%) blur(16px);
    backdrop-filter: saturate(180%) blur(16px);
    border-bottom: 1px solid var(--hairline);
  }

  .wordmark { margin: 0 4px 0 0; flex: none; gap: 7px; font-size: 13.5px; }
  .wordmark img { width: 22px; height: 22px; border-radius: 5px; }

  .nav-scroll {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
    height: 100%;
    overflow-x: auto;
    padding-right: 12px;
    scrollbar-width: none;
    -webkit-mask-image: linear-gradient(to right, transparent 0, #000 12px, #000 calc(100% - 20px), transparent 100%);
    mask-image: linear-gradient(to right, transparent 0, #000 12px, #000 calc(100% - 20px), transparent 100%);
  }
  .nav-scroll::-webkit-scrollbar { display: none; }

  .nav-group, .nav-group + .nav-group { display: contents; margin: 0; }
  .nav-label, .nav-group.nav-resources { display: none; }
  .nav-sections { display: flex; flex: none; }
  .sidebar li a { white-space: nowrap; padding: 4px 8px; }
  .sidebar li a[aria-current="location"]::before { display: none; }
  .sidebar li a[aria-current="location"] { background: var(--nav-hover); }

  main {
    max-width: none;
    margin: 0;
    padding: 28px 16px 0;
  }
  section { scroll-margin-top: 48px; padding-top: 44px; }
  h1 { margin-top: 28px; }
}

@media (max-width: 520px) {
  .install-bar { flex-direction: column; align-items: stretch; gap: 8px; }
  .install-meta { order: 2; }
}