/* Agntree website. One stylesheet, system fonts, no framework. */

:root {
  color-scheme: dark light;
  --bg: #0a0a0b;
  --bg-raised: #131315;
  --bg-sunken: #070708;
  --border: #26262a;
  --text: #f4f4f5;
  --muted: #a1a1aa;
  --accent: #5bb8dc;
  --accent-strong: #8fd3ee;
  --accent-ink: #06202c;
  --button: #fafafa;
  --button-hover: #d4d4d8;
  --button-ink: #0a0a0b;
  --green: #3fb950;
  --amber: #d6a02a;
  --code-bg: #151517;
  --shadow: 0 24px 60px -24px rgb(0 0 0 / 70%);
  --radius: 10px;
  --wrap: 1120px;
  --font: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', 'Noto Sans', Arial, sans-serif;
  --mono: ui-monospace, 'SF Mono', 'Cascadia Code', 'JetBrains Mono', Menlo, Consolas, 'Liberation Mono', monospace;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #ffffff;
    --bg-raised: #f6f6f7;
    --bg-sunken: #efeff1;
    --border: #e2e2e6;
    --text: #18181b;
    --muted: #5d5d68;
    --accent: #156f96;
    --accent-strong: #0d5777;
    --accent-ink: #ffffff;
    --button: #18181b;
    --button-hover: #3f3f46;
    --button-ink: #ffffff;
    --green: #1a7f37;
    --amber: #8a6100;
    --code-bg: #f3f3f5;
    --shadow: 0 24px 60px -28px rgb(20 40 60 / 35%);
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 var(--font);
  text-rendering: optimizeLegibility;
}

img,
video {
  max-width: 100%;
  height: auto;
}

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

a:hover {
  color: var(--accent-strong);
  text-decoration: underline;
}

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

h1,
h2,
h3 {
  line-height: 1.2;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

code,
kbd,
pre {
  font-family: var(--mono);
  font-size: 0.875em;
}

code {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0.1em 0.35em;
}

kbd {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 0.05em 0.4em;
  white-space: nowrap;
}

pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  overflow-x: auto;
  line-height: 1.5;
}

pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: 1em;
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.narrow {
  max-width: 760px;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0.5rem;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 0.5rem 0.9rem;
  border-radius: 6px;
  z-index: 20;
}

.skip:focus {
  left: 0.5rem;
}

/* ------------------------------------------------------------------ header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.brand:hover {
  color: var(--text);
  text-decoration: none;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  font-size: 0.925rem;
}

.site-header nav a:not(.button) {
  color: var(--muted);
}

.site-header nav a:not(.button):hover,
.site-header nav a[aria-current='page'] {
  color: var(--text);
  text-decoration: none;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--button);
  color: var(--button-ink);
  border: 1px solid var(--button);
  border-radius: 8px;
  padding: 0.7rem 1.15rem;
  font-weight: 650;
  line-height: 1.2;
  cursor: pointer;
}

.button:hover {
  background: var(--button-hover);
  border-color: var(--button-hover);
  color: var(--button-ink);
  text-decoration: none;
}

.button.ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.button.ghost:hover {
  border-color: var(--muted);
  background: var(--bg-raised);
  color: var(--text);
}

.button.small {
  padding: 0.4rem 0.8rem;
  font-size: 0.9rem;
}

/* ----------------------------------------------------------------- landing */

.hero {
  padding: 5rem 0 4rem;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 0.875rem;
}

.eyebrow b {
  color: var(--green);
}

.hero h1 {
  max-width: 22ch;
  margin: 0 auto 1.4rem;
  font-size: clamp(2.5rem, 6.4vw, 4.4rem);
  font-weight: 650;
  letter-spacing: -0.04em;
  line-height: 1.04;
}

.hero h1 em {
  color: var(--muted);
  font-style: normal;
}

.lede {
  max-width: 41rem;
  margin: 0 auto 2rem;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.55;
}

.lede strong {
  color: var(--text);
  font-weight: 500;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin: 0 0 1.5rem;
}

.install-line {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  max-width: 100%;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.85rem;
}

.install-line code {
  background: none;
  border: 0;
  padding: 0;
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
  color: inherit;
}

.install-line code::before {
  content: '$ ';
  opacity: 0.5;
}

.install-line button {
  flex: none;
  background: none;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.15rem 0.55rem;
  font: inherit;
  cursor: pointer;
}

.install-line button:hover {
  color: var(--text);
  border-color: var(--muted);
}

.supports {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem 1.4rem;
  margin: 2.25rem 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 0.9rem;
}

.supports li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.supports img {
  width: 18px;
  height: 18px;
}

.supports a {
  color: var(--text);
}

.shot {
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.shot img,
.shot video {
  display: block;
  width: 100%;
}

/* ---------------------------------------------------- the demo in the hero */

.demo,
.hero .shot {
  margin-top: 3.5rem;
}

/* The window is wider than the text column, so two agents fit side by side. */
.demo-stage {
  width: min(1280px, 100vw - 2.5rem);
  margin-left: 50%;
  transform: translateX(-50%);
}

/* Shown instead of the window on a phone, where the window cannot fit. */
.demo-gif {
  display: none;
}

.demo-gif img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: 10px;
}

.feature {
  margin-top: 6rem;
  text-align: center;
}

.feature h3 {
  margin: 0 0 0.6rem;
  color: var(--text);
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.feature > p {
  max-width: 38rem;
  margin: 0 auto;
}

.feature .demo {
  margin-top: 1.75rem;
}

.feature + .fine {
  margin-top: 4rem;
  text-align: center;
}

.demo-caption {
  min-height: 1.65em;
  margin: 1rem 0 1.25rem;
  color: var(--text);
  font-size: 1.02rem;
}

.section {
  padding: 6rem 0;
  border-top: 1px solid var(--border);
}

.section-head {
  max-width: 44rem;
  margin: 0 auto 3.25rem;
  text-align: center;
}

.section-head h2 {
  margin: 0 0 1rem;
}

.section h2 {
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  font-weight: 650;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2.5rem;
}

.cols h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  font-weight: 600;
}

.cols p {
  margin: 0;
  color: var(--muted);
}

.more {
  font-weight: 600;
}

.table-wrap {
  overflow-x: auto;
  margin: 1.25rem 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.94rem;
}

th,
td {
  padding: 0.65rem 0.9rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
}

thead th {
  background: var(--bg-raised);
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

tbody tr:last-child td {
  border-bottom: 0;
}

.section.alt .table-wrap {
  background: var(--bg);
}

.yes {
  color: var(--green);
  font-weight: 700;
}

.values {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1rem;
}

.values div {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.3rem;
  background: var(--bg);
}

.values h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.values p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.faq details {
  border-bottom: 1px solid var(--border);
}

.faq summary {
  cursor: pointer;
  padding: 1rem 2rem 1rem 0;
  font-weight: 600;
  font-size: 1.05rem;
  list-style: none;
  position: relative;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: '+';
  position: absolute;
  right: 0.25rem;
  top: 0.8rem;
  color: var(--muted);
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 1;
}

.faq details[open] summary::after {
  content: '−';
}

.faq details > :not(summary) {
  color: var(--muted);
  margin-top: 0;
}

.cta {
  text-align: center;
  padding: 5rem 0;
  background:
    radial-gradient(40rem 18rem at 50% 110%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 70%),
    var(--bg);
}

.cta h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
}

.cta p {
  margin: 0 auto 1.75rem;
  max-width: 34rem;
  color: var(--muted);
  font-size: 1.1rem;
}

.cta .actions {
  justify-content: center;
}

.cta .fine {
  margin: 1.75rem auto 0;
  font-size: 0.95rem;
}

/* ------------------------------------- the illustrated VS Code window */

/* Always VS Code's Dark Modern colors, whatever theme the page is in. */
.vsc {
  --m-bg: #181818;
  --m-side: #1f1f1f;
  --m-border: #2b2b2b;
  --m-text: #cccccc;
  --m-dim: #8b8b8b;
  --m-select: #04395e;
  border: 1px solid var(--m-border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--m-side);
  color: var(--m-text);
  font: 13px/22px var(--font);
  text-align: left;
  user-select: none;
}

.vsc-title {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.75rem;
  background: var(--m-bg);
  border-bottom: 1px solid var(--m-border);
  color: var(--m-dim);
  font-size: 12px;
}

.vsc-title i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #3a3a3a;
}

.vsc-title span {
  margin: 0 auto;
  padding-right: 46px;
}

.vsc-body {
  position: relative;
  display: grid;
  grid-template-columns: 44px 300px minmax(0, 1fr);
  height: 540px;
}

.vsc-activity {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding-top: 14px;
  background: var(--m-bg);
  border-right: 1px solid var(--m-border);
  color: #6e6e6e;
}

.vsc-activity span {
  display: flex;
  width: 100%;
  justify-content: center;
  border-left: 2px solid transparent;
}

.vsc-activity .on {
  color: #ffffff;
  border-left-color: #0078d4;
}

.vsc-activity svg {
  width: 20px;
  height: 20px;
}

.vsc-side {
  overflow: hidden;
  border-right: 1px solid var(--m-border);
}

.vsc-view {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 0.75rem;
  border-top: 1px solid var(--m-border);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.vsc-view:first-child {
  border-top: 0;
}

.vsc-view.closed {
  color: var(--m-dim);
}

.vsc-view small {
  color: var(--m-dim);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
}

.vsc ul {
  margin: 0;
  padding: 0 0 0.35rem;
  list-style: none;
}

.vsc li {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0 0.75rem 0 var(--indent, 0.75rem);
  white-space: nowrap;
}

.vsc li.hover {
  background: #2a2d2e;
}

.vsc li.selected {
  background: var(--m-select);
  color: #ffffff;
}

.vsc li.dim {
  color: var(--m-dim);
}

.vsc .l1 {
  --indent: 1.6rem;
}

.vsc .l2 {
  --indent: 2.9rem;
}

.vsc .twist {
  width: 0.7rem;
  color: var(--m-dim);
  font-size: 10px;
  text-align: center;
}

.vsc svg,
.vsc img {
  flex: none;
  width: 16px;
  height: 16px;
}

.vsc .name {
  overflow: hidden;
  text-overflow: ellipsis;
}

.vsc .desc,
.vsc .act {
  margin-left: auto;
  padding-left: 0.75rem;
  color: var(--m-dim);
  font-size: 12px;
}

.vsc .act {
  display: flex;
  color: #ffffff;
}

.vsc .selected .desc {
  color: #c5dff0;
}

.vsc .star {
  color: #e2c08d;
}

.vsc .c-dim {
  color: var(--m-dim);
}

.vsc .c-green {
  color: #89d185;
}

.vsc .c-amber {
  color: #cca700;
}

.vsc .c-blue {
  color: #3794ff;
}

.vsc .add {
  color: #81b88b;
}

.vsc .del {
  color: #c74e39;
}

.vsc .spin {
  width: 10px;
  height: 10px;
  margin: 0 3px;
  border: 1.5px solid var(--m-dim);
  border-top-color: transparent;
  border-radius: 50%;
  animation: vsc-spin 0.9s linear infinite;
}

@keyframes vsc-spin {
  to {
    transform: rotate(360deg);
  }
}

.vsc .ptr {
  position: absolute;
  z-index: 4;
  left: 62%;
  top: 10px;
  width: 17px;
  height: 21px;
  filter: drop-shadow(0 2px 3px rgb(0 0 0 / 50%));
}

.vsc-main {
  position: relative;
  display: grid;
  grid-template-columns: repeat(var(--groups, 1), minmax(0, 1fr));
  min-width: 0;
  background: var(--m-bg);
}

.vsc-group {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
}

.vsc-group + .vsc-group {
  border-left: 1px solid var(--m-border);
}

.vsc-tabs {
  display: flex;
  flex: none;
  background: var(--m-bg);
  border-bottom: 1px solid var(--m-border);
}

.vsc-tabs .tab {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  min-width: 0;
  max-width: 15rem;
  padding: 0.35rem 0.75rem;
  border-right: 1px solid var(--m-border);
  border-top: 1px solid transparent;
  color: var(--m-dim);
}

.vsc-tabs .tab.on {
  background: var(--m-side);
  border-top-color: #0078d4;
  color: #ffffff;
}

.vsc-tabs .tab span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.vsc-tabs svg,
.vsc-tabs img {
  width: 14px;
  height: 14px;
}

/* A tab on its way to the right half of the editor area. */
.vsc-drop {
  position: absolute;
  inset: 33px 0 0 50%;
  background: rgb(83 89 93 / 45%);
  border-left: 1px solid #0078d4;
}

.vsc-ghost {
  position: absolute;
  top: 120px;
  left: 62%;
}

.vsc-ghost .tab {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  background: #2a2d2e;
  border: 1px solid #0078d4;
  border-radius: 3px;
  color: #ffffff;
  white-space: nowrap;
  box-shadow: 0 8px 22px rgb(0 0 0 / 55%);
}

.vsc-ghost .ptr {
  left: 40%;
  top: 14px;
}

/* ---- terminals: one look per agent, after each agent's own interface ---- */

.vsc-term {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.8rem 0.9rem;
  overflow: hidden;
  color: #d4d4d4;
  font: 12px/1.55 var(--mono);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.vsc-term .dim {
  color: #7f7f7f;
}

.vsc-term .foot {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  white-space: nowrap;
  overflow: hidden;
}

.vsc-term .caret {
  display: inline-block;
  width: 7px;
  height: 14px;
  background: #b4b4b4;
  vertical-align: -2px;
}

.vsc-term .sub {
  padding-left: 1rem;
  color: #7f7f7f;
}

/* Claude Code: green tool bullets, an orange working line, a ruled prompt. */
.t-claude .dot {
  color: #d4d4d4;
  font-weight: 400;
}

.t-claude .dot.ok,
.vsc-panel .dot.ok {
  color: #4eba65;
}

.t-claude .user {
  color: #9a9a9a;
}

.t-claude .work,
.t-claude .spark {
  color: #d97757;
}

.t-claude .welcome {
  align-self: flex-start;
  padding: 0.35rem 0.8rem;
  border: 1px solid #d97757;
  border-radius: 4px;
}

.t-claude .promptbox {
  margin-top: auto;
  padding: 0.3rem 0;
  border-block: 1px solid #555555;
}

.t-claude .askbox {
  margin-top: auto;
  padding: 0.5rem 0.8rem;
  border: 1px solid #b1b9f9;
  border-radius: 4px;
}

.t-claude .askbox b {
  color: #b1b9f9;
}

.t-claude .askbox .cmd {
  margin: 0.2rem 0 0.45rem;
  padding-left: 1rem;
}

.t-claude .askbox .pick {
  color: #b1b9f9;
}

/* Codex: a header box, your message in a band, bold verbs. */
.t-codex {
  background: #0d0e14;
}

.t-codex .box {
  align-self: flex-start;
  padding: 0.3rem 0.8rem;
  border: 1px solid #5a5d6b;
  border-radius: 3px;
}

.t-codex .band {
  margin: 0 -0.9rem;
  padding: 0.45rem 0.9rem;
  background: #24252e;
}

.t-codex .band.prompt {
  margin-top: auto;
}

.t-codex b {
  color: #ffffff;
}

/* opencode: a title band, bands with a blue edge, a mode line. */
.t-opencode {
  background: #0a0a0a;
}

.t-opencode .head,
.t-opencode .band {
  padding: 0.45rem 0.8rem;
  background: #1a1a1a;
  border-left: 2px solid #3a3a3a;
}

.t-opencode .head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.t-opencode .band {
  border-left-color: #5c9cf5;
}

.t-opencode .band.prompt {
  margin-top: auto;
}

.t-opencode .tool {
  color: #808080;
}

.t-opencode .accent {
  color: #5c9cf5;
}

/* Pi: a violet band for you, green bands for tools, a status line. */
.t-pi {
  background: #000000;
}

.t-pi .accent {
  color: #8abeb7;
}

.t-pi .band,
.t-pi .toolband {
  margin: 0 -0.9rem;
  padding: 0.4rem 0.9rem;
  background: #343541;
}

.t-pi .toolband {
  background: #283228;
}

.t-pi .path {
  color: #8abeb7;
}

.t-pi .rule {
  margin-top: auto;
  border-top: 1px solid #b294bb;
  height: 0;
}

.t-pi .rule + div + .rule {
  margin-top: 0;
}

.t-pi .rule span {
  position: relative;
  top: -0.8em;
  margin-left: 1rem;
  padding: 0 0.4rem;
  background: #000000;
  color: #b294bb;
}

/* ---- the diff a changed file opens in the second column ---- */

.vsc-diff {
  flex: 1;
  padding: 0.5rem 0;
  overflow: hidden;
  font: 12px/1.7 var(--mono);
  white-space: pre;
}

.vsc-diff .no {
  display: inline-block;
  width: 2rem;
  color: #6e7681;
  text-align: right;
}

.vsc-diff .sign {
  display: inline-block;
  width: 1.6rem;
  text-align: center;
}

.vsc-diff .add {
  background: rgb(46 160 67 / 20%);
  color: #cfe9d4;
}

.vsc-diff .del {
  background: rgb(248 81 73 / 18%);
  color: #f0c4c0;
}

/* ---- the Claude Code extension's chat panel ---- */

.vsc-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  width: min(100%, 40rem);
  margin: 0 auto;
  padding: 1rem;
  font-size: 13px;
  line-height: 1.5;
}

.vsc-panel .dim {
  color: var(--m-dim);
}

.vsc-panel .msg.user {
  align-self: flex-start;
  padding: 0.35rem 0.7rem;
  background: #2b2b2b;
  border: 1px solid #3c3c3c;
  border-radius: 8px;
}

.vsc-panel .work {
  color: #d97757;
}

.vsc-panel .composer {
  margin-top: auto;
  padding: 0.6rem 0.7rem;
  background: #252526;
  border: 1px solid #3c3c3c;
  border-radius: 10px;
}

.vsc-panel .composer div {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.7rem;
  font-size: 12px;
}

.vsc-panel .chip {
  padding: 0 0.5rem;
  border: 1px solid #3c3c3c;
  border-radius: 999px;
  color: var(--m-dim);
}

.vsc-panel .send {
  margin-left: auto;
  width: 22px;
  height: 22px;
  background: #d97757;
  border-radius: 6px;
  color: #ffffff;
  text-align: center;
}

.vsc-input {
  position: absolute;
  z-index: 3;
  top: 6px;
  left: 50%;
  width: min(30rem, 86%);
  transform: translateX(-50%);
  padding: 0.5rem 0.6rem 0.6rem;
  background: #222222;
  border: 1px solid #3c3c3c;
  border-radius: 8px;
  box-shadow: 0 12px 30px rgb(0 0 0 / 55%);
}

.vsc-input small {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--m-dim);
  font-size: 12px;
}

.vsc-input div {
  padding: 0.1rem 0.5rem;
  background: #313131;
  border: 1px solid #0078d4;
  border-radius: 4px;
  color: #ffffff;
}

.vsc-input b {
  display: inline-block;
  width: 1px;
  height: 14px;
  margin-left: 1px;
  background: #ffffff;
  vertical-align: -2px;
}

.vsc-menu {
  position: absolute;
  z-index: 3;
  top: 70px;
  left: 190px;
  display: flex;
  flex-direction: column;
  min-width: 15.5rem;
  padding: 0.3rem;
  background: #1f1f1f;
  border: 1px solid #454545;
  border-radius: 6px;
  box-shadow: 0 10px 28px rgb(0 0 0 / 60%);
  color: var(--m-text);
}

/* A file's menu opens upward from its row near the bottom of the sidebar. */
.vsc-menu.of-file {
  top: auto;
  bottom: 12px;
  left: 210px;
}

.vsc-menu span {
  position: relative;
  padding: 0.05rem 1.2rem;
  border-radius: 4px;
}

.vsc-menu .on {
  background: #0078d4;
  color: #ffffff;
}

.vsc-menu hr {
  width: 100%;
  margin: 0.3rem 0;
  border: 0;
  border-top: 1px solid #454545;
}

.vsc-toast {
  position: absolute;
  z-index: 3;
  right: 14px;
  bottom: 14px;
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: calc(100% - 28px);
  padding: 0.6rem 0.75rem;
  background: #252526;
  border: 1px solid #3c3c3c;
  border-radius: 6px;
  box-shadow: 0 10px 28px rgb(0 0 0 / 55%);
}

.vsc-toast b {
  position: relative;
  flex: none;
  padding: 0.05rem 0.8rem;
  background: #0078d4;
  border-radius: 3px;
  color: #ffffff;
  font-weight: 500;
}

.vsc-toast .ptr {
  left: 55%;
  top: 12px;
}

@media (max-width: 860px) {
  .vsc-body {
    grid-template-columns: minmax(0, 1fr);
    height: 400px;
  }

  .vsc-activity,
  .vsc-main {
    display: none;
  }

  .vsc-side {
    border-right: 0;
  }

  .vsc-menu {
    left: 5rem;
  }

  .cols {
    grid-template-columns: minmax(0, 1fr);
  }

  .demo-stage,
  .demo-caption {
    display: none;
  }

  .demo-gif {
    display: block;
  }

  .feature {
    margin-top: 3.5rem;
  }

  .cols {
    gap: 1.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .vsc .spin {
    animation: none;
  }
}


/* -------------------------------------------------------------------- docs */

.docs-layout {
  display: grid;
  grid-template-columns: 15rem minmax(0, 1fr) 13rem;
  gap: 2.5rem;
  align-items: start;
  padding-top: 2rem;
  padding-bottom: 4rem;
}

.docs-nav,
.toc {
  position: sticky;
  top: 5rem;
  max-height: calc(100vh - 6rem);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
  font-size: 0.925rem;
}

.docs-nav summary {
  display: none;
}

.nav-group p,
.toc p {
  margin: 0 0 0.4rem;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.nav-group ul,
.toc ul {
  margin: 0 0 1.4rem;
  padding: 0;
  list-style: none;
}

.nav-group a,
.toc a {
  display: block;
  padding: 0.22rem 0.6rem;
  border-left: 2px solid var(--border);
  color: var(--muted);
}

.nav-group a:hover,
.toc a:hover {
  color: var(--text);
  text-decoration: none;
  border-left-color: var(--muted);
}

.nav-group a[aria-current='page'] {
  color: var(--accent);
  border-left-color: var(--accent);
  font-weight: 600;
}

.crumbs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  color: var(--muted);
  font-size: 0.875rem;
}

article {
  min-width: 0;
}

article h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(1.9rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.025em;
}

article h2 {
  margin: 2.75rem 0 0.9rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 1.5rem;
}

article h3 {
  margin: 2rem 0 0.6rem;
  font-size: 1.15rem;
}

article h2,
article h3 {
  position: relative;
}

.anchor {
  position: absolute;
  left: -1.1em;
  width: 1em;
  color: var(--muted);
  font-weight: 400;
  opacity: 0;
}

h2:hover .anchor,
h3:hover .anchor,
.anchor:focus {
  opacity: 1;
  text-decoration: none;
}

article > p:first-of-type {
  font-size: 1.1rem;
}

article ul,
article ol {
  padding-left: 1.4rem;
}

article li {
  margin: 0.3rem 0;
}

article li > p {
  margin: 0.3rem 0;
}

article img {
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

blockquote {
  margin: 1.25rem 0;
  padding: 0.2rem 1.1rem;
  border-left: 3px solid var(--border);
  color: var(--muted);
}

.callout {
  margin: 1.5rem 0;
  padding: 0.9rem 1.1rem;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
}

.callout.warning,
.callout.caution,
.callout.important {
  border-left-color: var(--amber);
}

.callout.tip {
  border-left-color: var(--green);
}

.callout p {
  margin: 0;
}

.callout-title {
  margin-bottom: 0.25rem !important;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.page-meta {
  margin: 3rem 0 1rem;
  color: var(--muted);
  font-size: 0.875rem;
}

.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.pager a {
  display: block;
  padding: 0.8rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-weight: 600;
}

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

.pager a span {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 400;
}

.pager .next {
  text-align: right;
}

/* ------------------------------------------------------------------ footer */

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-sunken);
  padding: 3rem 0 2rem;
  font-size: 0.925rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: 2rem;
  margin-bottom: 2.25rem;
}

.site-footer h2 {
  margin: 0 0 0.7rem;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

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

.site-footer li {
  margin: 0.3rem 0;
}

.site-footer a {
  color: var(--text);
}

.legal {
  margin: 0;
  max-width: 60rem;
  color: var(--muted);
  font-size: 0.825rem;
}

.legal a {
  color: var(--muted);
  text-decoration: underline;
}

/* -------------------------------------------------------------- responsive */

@media (max-width: 1080px) {
  .docs-layout {
    grid-template-columns: 14rem minmax(0, 1fr);
  }

  .toc {
    display: none;
  }
}

@media (max-width: 860px) {
  .hero {
    padding-top: 3rem;
  }

  .section {
    padding: 3.25rem 0;
  }

  .docs-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.25rem;
    padding-top: 1.25rem;
  }

  .docs-nav {
    position: static;
    max-height: none;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0 1rem;
  }

  .docs-nav summary {
    display: block;
    cursor: pointer;
    padding: 0.7rem 0;
    font-weight: 600;
  }

  .docs-nav[open] summary {
    margin-bottom: 0.75rem;
  }

  .anchor {
    display: none;
  }
}

@media (max-width: 640px) {
  .site-header nav {
    gap: 0.9rem;
  }

  .site-header nav a:nth-of-type(2),
  .site-header nav a:nth-of-type(3) {
    display: none;
  }
}

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