/* ============================================================
   Apex JS documentation — shared stylesheet
   Visual identity matches the Apex landing page (site/index.html).
   ============================================================ */

:root {
  /* dark is the default — synapse indigo/cyan palette */
  --ground: #0a0e1a;
  --ground-deep: #070b16;
  --surface: #11172b;
  --surface-2: #161e38;
  --raised: #1e293b;
  --raised-2: #243056;
  --text: #f4f7ff;
  --muted: #9aa6c4;
  --faint: #5b6890;
  --line: rgba(130, 140, 200, 0.16);
  --glacier: #818cf8; /* primary accent — indigo/violet */
  --glacier-deep: #6366f1;
  --alpenglow: #22d3ee; /* secondary accent — cyan */
  --glacier-soft: rgba(129, 140, 248, 0.12);
  --alpenglow-soft: rgba(34, 211, 238, 0.12);
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --maxw: 1080px;
  --pad: clamp(1.1rem, 4vw, 2.5rem);
  --radius-btn: 0.6rem;
  --radius-card: 0.85rem;
}

@media (prefers-color-scheme: light) {
  :root {
    --ground: #f4f7ff;
    --ground-deep: #e6ecfa;
    --surface: #ffffff;
    --surface-2: #eef2fb;
    --raised: #e4ebf9;
    --raised-2: #d7e0f4;
    --text: #0a0e1a;
    --muted: #55617e;
    --faint: #7d88a6;
    --line: rgba(60, 70, 130, 0.14);
    --glacier: #6366f1;
    --glacier-deep: #4f46e5;
    --alpenglow: #0891b2;
    --glacier-soft: rgba(99, 102, 241, 0.1);
    --alpenglow-soft: rgba(8, 145, 178, 0.1);
  }
}

:root[data-theme="light"] {
  --ground: #f4f7ff;
  --ground-deep: #e6ecfa;
  --surface: #ffffff;
  --surface-2: #eef2fb;
  --raised: #e4ebf9;
  --raised-2: #d7e0f4;
  --text: #0a0e1a;
  --muted: #55617e;
  --faint: #7d88a6;
  --line: rgba(60, 70, 130, 0.14);
  --glacier: #6366f1;
  --glacier-deep: #4f46e5;
  --alpenglow: #0891b2;
  --glacier-soft: rgba(99, 102, 241, 0.1);
  --alpenglow-soft: rgba(8, 145, 178, 0.1);
}

:root[data-theme="dark"] {
  --ground: #0a0e1a;
  --ground-deep: #070b16;
  --surface: #11172b;
  --surface-2: #161e38;
  --raised: #1e293b;
  --raised-2: #243056;
  --text: #f4f7ff;
  --muted: #9aa6c4;
  --faint: #5b6890;
  --line: rgba(130, 140, 200, 0.16);
  --glacier: #818cf8;
  --glacier-deep: #6366f1;
  --alpenglow: #22d3ee;
  --glacier-soft: rgba(129, 140, 248, 0.12);
  --alpenglow-soft: rgba(34, 211, 238, 0.12);
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  background: var(--ground);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-inline: var(--pad);
}

a {
  color: var(--glacier);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}
:focus-visible {
  outline: 2px solid var(--glacier);
  outline-offset: 3px;
  border-radius: 3px;
}

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

.eyebrow {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--alpenglow);
  margin: 0 0 0.8rem;
}
.eyebrow.warm {
  color: var(--glacier);
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: 0.5rem;
  top: -3rem;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: var(--radius-btn);
  padding: 0.5rem 0.9rem;
  z-index: 100;
  transition: top 0.15s ease;
}
.skip-link:focus {
  top: 0.5rem;
}

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--ground) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0.7rem var(--pad);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--mono);
  font-weight: 600;
  letter-spacing: 0.02em;
  font-size: 0.95rem;
  color: var(--text);
  flex: none;
}
.brand:hover {
  text-decoration: none;
}
.peak {
  width: 20px;
  height: 20px;
  display: block;
}
.peak path {
  fill: none;
  stroke: var(--glacier);
  stroke-width: 2;
}
.peak .sun {
  fill: var(--alpenglow);
  stroke: none;
}
.brand-mark {
  width: 22px;
  height: 22px;
  display: block;
  flex: none;
}

.site-nav {
  display: flex;
  gap: 0.25rem;
  align-items: center;
  margin-left: auto;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
  min-width: 0;
}
.site-nav a {
  flex: none;
  font-size: 0.9rem;
  color: var(--muted);
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-btn);
  white-space: nowrap;
}
.site-nav a:hover {
  color: var(--glacier);
  text-decoration: none;
  background: var(--glacier-soft);
}
.site-nav a[aria-current="page"] {
  color: var(--glacier);
  background: var(--glacier-soft);
}

.theme-toggle {
  flex: none;
  font-size: 0.85rem;
  background: var(--surface);
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: var(--radius-btn);
  padding: 0.4rem 0.7rem;
  cursor: pointer;
}
.theme-toggle:hover {
  color: var(--glacier);
  border-color: var(--glacier);
}

/* ---------- Page hero (doc pages) ---------- */
.page-hero {
  border-bottom: 1px solid var(--line);
  padding-block: clamp(2.5rem, 7vh, 4.5rem) clamp(1.8rem, 4vh, 3rem);
}
.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 800;
  margin: 0;
  text-wrap: balance;
  max-width: 18ch;
}
.page-hero .lede {
  color: var(--muted);
  font-size: clamp(1.02rem, 1.6vw, 1.2rem);
  margin: 1.1rem 0 0;
  max-width: 60ch;
}
.page-hero .lede strong {
  color: var(--text);
  font-weight: 600;
}

/* ---------- Content ---------- */
main {
  display: block;
}
.doc {
  padding-block: clamp(2.2rem, 6vh, 3.5rem) clamp(3rem, 8vh, 5rem);
}
.doc > * {
  max-width: 68ch;
}
.doc > .full {
  max-width: none;
}

.doc h2 {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  letter-spacing: -0.02em;
  font-weight: 800;
  margin: 2.8rem 0 0.5rem;
  line-height: 1.15;
  scroll-margin-top: 5rem;
}
.doc h2:first-of-type {
  margin-top: 1rem;
}
.doc h3 {
  font-size: 1.12rem;
  letter-spacing: -0.01em;
  font-weight: 700;
  margin: 2rem 0 0.4rem;
  scroll-margin-top: 5rem;
}
.doc p {
  color: var(--text);
  margin: 0.9rem 0;
}
.doc p.muted,
p.muted {
  color: var(--muted);
}
.doc ul,
.doc ol {
  margin: 0.9rem 0;
  padding-left: 1.3rem;
  color: var(--text);
}
.doc li {
  margin: 0.35rem 0;
}
.doc li::marker {
  color: var(--faint);
}
.doc strong {
  font-weight: 650;
}

.anchor {
  color: var(--faint);
  font-family: var(--mono);
  font-weight: 400;
  margin-left: 0.4rem;
  opacity: 0;
  font-size: 0.8em;
}
.doc h2:hover .anchor,
.doc h3:hover .anchor {
  opacity: 1;
}
.anchor:hover {
  text-decoration: none;
  color: var(--glacier);
}

/* ---------- Inline + block code ---------- */
code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 0.35rem;
  padding: 0.08rem 0.35rem;
  overflow-wrap: break-word;
}
pre {
  margin: 1.1rem 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 1rem 1.1rem;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--text);
}
pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
}
pre .c {
  color: var(--faint);
} /* comment */
pre .k {
  color: var(--alpenglow);
} /* keyword */
pre .s {
  color: var(--glacier);
} /* string */
pre .t {
  color: var(--glacier-deep);
} /* tag */
pre .a {
  color: var(--muted);
} /* attribute / dim */

.code-label {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  margin: 1.3rem 0 -0.4rem;
}

/* ---------- Callouts ---------- */
.callout {
  margin: 1.4rem 0;
  padding: 0.9rem 1.1rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--glacier);
  border-radius: var(--radius-btn);
  background: var(--glacier-soft);
  color: var(--text);
  font-size: 0.94rem;
}
.callout.warm {
  border-left-color: var(--alpenglow);
  background: var(--alpenglow-soft);
}
.callout .h {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--alpenglow);
  margin: 0 0 0.3rem;
  display: block;
}
.callout.warm .h {
  color: var(--alpenglow);
}
.callout p {
  margin: 0.35rem 0 0;
}
.callout p:first-child {
  margin-top: 0;
}

/* ---------- Tables ---------- */
.table-scroll {
  overflow-x: auto;
  margin: 1.3rem 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
}
table {
  border-collapse: collapse;
  width: 100%;
  min-width: 32rem;
  font-size: 0.9rem;
}
th,
td {
  text-align: left;
  padding: 0.65rem 0.9rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
thead th {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  background: var(--surface-2);
  position: sticky;
  top: 0;
}
tbody tr:last-child td {
  border-bottom: none;
}
td code,
th code {
  background: var(--surface-2);
}
.table-scroll table {
  min-width: 34rem;
}

/* ---------- Figures / screenshots ---------- */
figure {
  margin: 1.6rem 0;
}
figure img {
  display: block;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface-2);
}
figcaption {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 0.55rem;
  text-align: center;
}

/* ---------- Hero (home) ---------- */
.home-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(1100px 620px at 78% -8%, rgba(99, 102, 241, 0.2), transparent 60%),
    radial-gradient(900px 560px at 8% 4%, rgba(34, 211, 238, 0.12), transparent 55%), var(--ground);
}
:root[data-theme="light"] .home-hero {
  background:
    radial-gradient(1100px 620px at 78% -8%, rgba(99, 102, 241, 0.12), transparent 60%),
    radial-gradient(900px 560px at 8% 4%, rgba(34, 211, 238, 0.1), transparent 55%), var(--ground);
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .home-hero {
    background:
      radial-gradient(1100px 620px at 78% -8%, rgba(99, 102, 241, 0.12), transparent 60%),
      radial-gradient(900px 560px at 8% 4%, rgba(34, 211, 238, 0.1), transparent 55%), var(--ground);
  }
}
.apex-net {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0;
  transition: opacity 1.4s ease;
  -webkit-mask-image: radial-gradient(130% 100% at 74% 16%, #000 42%, transparent 100%);
  mask-image: radial-gradient(130% 100% at 74% 16%, #000 42%, transparent 100%);
}
.apex-net.drawn {
  opacity: 1;
}
.home-hero .wrap {
  position: relative;
  z-index: 1;
  padding-block: clamp(3rem, 9vh, 6rem) clamp(2.5rem, 6vh, 4rem);
}
.home-hero h1 {
  font-size: clamp(2.6rem, 7vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 800;
  margin: 0;
  text-wrap: balance;
  max-width: 15ch;
}
.home-hero h1 .ai {
  color: var(--glacier);
}
.home-hero .lede {
  margin: 1.5rem auto 0;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--muted);
  max-width: 54ch;
}
.home-hero .lede strong {
  color: var(--text);
  font-weight: 600;
}

/* hero copy is centered; the live Studio sits directly beneath it */
.hero-copy {
  max-width: 46rem;
  margin: 0 auto;
  text-align: center;
}
.home-hero h1 {
  margin-inline: auto;
}
.home-hero .cta-row {
  justify-content: center;
}
.home-hero .studio {
  margin-top: clamp(2.2rem, 6vh, 3.5rem);
}
.studio-note {
  text-align: center;
  color: var(--muted);
  font-size: 0.92rem;
  margin: 1rem 0 0;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.1rem;
  align-items: center;
  margin-top: 2rem;
}
.terminal {
  font-family: var(--mono);
  font-size: 0.95rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-btn);
  padding: 0.7rem 1rem;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.terminal .prompt {
  color: var(--glacier);
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.72rem 1.2rem;
  border-radius: var(--radius-btn);
  background: var(--glacier);
  color: #04121f;
  border: 1px solid transparent;
}
.btn:hover {
  text-decoration: none;
  background: var(--glacier-deep);
  color: #fff;
}
.btn.ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}
.btn.ghost:hover {
  border-color: var(--glacier);
  color: var(--glacier);
  background: var(--glacier-soft);
}

/* ---------- Feature carousel ---------- */
.carousel {
  position: relative;
  display: flex;
  align-items: stretch;
  gap: 0.6rem;
}
.carousel-track {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 0.3rem 0.2rem 1.1rem;
  flex: 1;
  min-width: 0;
  scrollbar-width: none;
}
.carousel-track::-webkit-scrollbar {
  display: none;
}
.feature-slide {
  scroll-snap-align: center;
  flex: 0 0 min(90%, 30rem);
  min-width: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 1.6rem 1.6rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.feature-slide.accent {
  border-color: color-mix(in srgb, var(--alpenglow) 45%, var(--line));
}
.fs-num {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--faint);
}
.feature-slide h3 {
  margin: 0;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}
.feature-slide > p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}
.feature-slide pre {
  margin: 0.7rem 0 0;
  font-size: 0.76rem;
  background: var(--ground-deep);
}
.carousel-nav {
  flex: none;
  align-self: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition:
    border-color 0.15s ease,
    color 0.15s ease,
    opacity 0.15s ease;
}
.carousel-nav:hover {
  border-color: var(--glacier);
  color: var(--glacier);
}
.carousel-nav:disabled {
  opacity: 0.3;
  cursor: default;
}
@media (max-width: 680px) {
  .carousel-nav {
    display: none;
  }
}
.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.2rem;
}
.carousel-dots button {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 999px;
  border: none;
  padding: 0;
  background: var(--line);
  cursor: pointer;
  transition:
    width 0.2s ease,
    background 0.2s ease;
}
.carousel-dots button[aria-current="true"] {
  background: var(--glacier);
  width: 1.5rem;
}

/* ---------- Section ---------- */
.section {
  padding-block: clamp(3rem, 8vh, 5rem);
  border-bottom: 1px solid var(--line);
}
.section-head {
  max-width: 48ch;
  margin-bottom: 2.2rem;
}
.section-head h2 {
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  letter-spacing: -0.02em;
  font-weight: 800;
  margin: 0;
  line-height: 1.12;
  text-wrap: balance;
}
.section-head p {
  color: var(--muted);
  margin: 0.7rem 0 0;
}

/* ---------- Pillars ---------- */
.pillars {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
}
@media (min-width: 880px) {
  .pillars {
    grid-template-columns: repeat(3, 1fr);
  }
}
.pillar {
  background: var(--ground);
  padding: 1.7rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  min-width: 0;
}
.pillar .tag {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
}
.pillar.ai .tag {
  color: var(--alpenglow);
}
.pillar h3 {
  margin: 0;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}
.pillar p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}
.pillar pre {
  margin-top: auto;
  font-size: 0.76rem;
}

/* ---------- Cards / next links ---------- */
.card-grid {
  display: grid;
  gap: 1rem;
  margin: 1.6rem 0;
}
@media (min-width: 640px) {
  .card-grid.cols-2 {
    grid-template-columns: 1fr 1fr;
  }
}
@media (min-width: 820px) {
  .card-grid.cols-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}
.card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 1.2rem 1.3rem;
  color: var(--text);
  transition:
    border-color 0.15s ease,
    transform 0.15s ease;
}
.card:hover {
  text-decoration: none;
  border-color: var(--glacier);
  transform: translateY(-2px);
}
.card .k {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--alpenglow);
}
.card h3 {
  margin: 0.5rem 0 0.3rem;
  font-size: 1.05rem;
}
.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

/* ---------- Flow (one def, two surfaces) ---------- */
.flow {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin: 1.5rem 0;
  max-width: 34rem;
}
.flow .node {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  padding: 0.9rem 1.1rem;
}
.flow .node .h {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 0.3rem;
}
.flow .node.rest {
  border-left: 3px solid var(--glacier);
}
.flow .node.mcp {
  border-left: 3px solid var(--alpenglow);
}
.flow .node.mcp .h {
  color: var(--alpenglow);
}
.flow .arm {
  text-align: center;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.8rem;
}
.flow code {
  background: none;
  border: none;
  padding: 0;
}

/* ---------- Stat row ---------- */
.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin: 1.8rem 0;
}
.stat .n {
  font-family: var(--mono);
  font-size: 1.7rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.stat .l {
  font-size: 0.85rem;
  color: var(--muted);
}

/* ---------- On this page ---------- */
.onpage {
  font-size: 0.9rem;
}
.onpage .k {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  display: block;
  margin-bottom: 0.5rem;
}
.onpage ul {
  list-style: none;
  padding: 0;
  margin: 0;
  columns: 2;
  column-gap: 2rem;
}
.onpage li {
  margin: 0.25rem 0;
}
@media (max-width: 560px) {
  .onpage ul {
    columns: 1;
  }
}

/* ---------- Footer ---------- */
footer.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 2.5rem;
  margin-top: 2rem;
}
.site-footer .cols {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 3rem;
  justify-content: space-between;
}
.site-footer .brand-col {
  max-width: 30ch;
}
.site-footer p {
  color: var(--muted);
  font-size: 0.88rem;
  margin: 0.5rem 0 0;
}
.site-footer .links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  font-size: 0.9rem;
}
.site-footer .foot-note {
  margin-top: 1.8rem;
  font-size: 0.85rem;
  color: var(--faint);
}

/* ---------- Utilities ---------- */
.kbd-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
}
.kbd-list li {
  margin: 0.4rem 0;
}
.pill {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
}
.pill.on {
  color: var(--glacier);
  border-color: var(--glacier);
}

/* ============================================================
   Apex Studio — interactive IDE showcase (hero centerpiece)
   Self-contained: no external libs/fonts. Theme-aware.
   ============================================================ */
.studio-section .section-head {
  max-width: 54ch;
}

.studio {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  overflow: hidden;
  box-shadow:
    0 40px 90px -50px rgba(0, 0, 0, 0.65),
    0 4px 14px -8px rgba(0, 0, 0, 0.4);
}
:root[data-theme="light"] .studio {
  box-shadow:
    0 30px 70px -45px rgba(20, 55, 100, 0.35),
    0 3px 10px -6px rgba(20, 55, 100, 0.18);
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .studio {
    box-shadow:
      0 30px 70px -45px rgba(20, 55, 100, 0.35),
      0 3px 10px -6px rgba(20, 55, 100, 0.18);
  }
}
.studio.intro {
  animation: studioRise 0.55s cubic-bezier(0.22, 0.61, 0.36, 1) both;
}
@keyframes studioRise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---- Chrome bar ---- */
.studio-chrome {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.6rem 0.95rem;
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
}
.studio-dots {
  display: inline-flex;
  gap: 0.45rem;
  flex: none;
}
.studio-dots i {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  display: block;
}
.studio-dots i:nth-child(1) {
  background: #ff5f57;
}
.studio-dots i:nth-child(2) {
  background: #febc2e;
}
.studio-dots i:nth-child(3) {
  background: #28c840;
}
.studio-titlebar {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.01em;
}
.studio-address {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--muted);
  background: var(--ground);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.2rem 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  max-width: 55%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.studio-address .lock {
  color: var(--glacier);
  font-size: 0.9em;
}

/* ---- Body grid ---- */
.studio-body {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr) minmax(0, 320px);
  height: 452px;
}
@media (max-width: 960px) {
  .studio-body {
    grid-template-columns: 1fr;
    height: auto;
  }
}

/* ---- File tree ---- */
.studio-tree {
  border-right: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-2) 55%, var(--surface));
  padding: 0.7rem 0.5rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  overflow-y: auto;
  min-width: 0;
}
.tree-root {
  margin: 0.1rem 0 0.5rem;
  padding: 0 0.4rem;
  color: var(--text);
  font-weight: 600;
  font-size: 0.78rem;
}
.tree-group {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--muted);
  padding: 0.3rem 0.4rem;
  white-space: nowrap;
}
.tree-group .ic-folder {
  width: 13px;
  height: 10px;
  flex: none;
  position: relative;
  border: 1.4px solid currentColor;
  border-radius: 2px;
  opacity: 0.7;
}
.tree-group .ic-folder::before {
  content: "";
  position: absolute;
  top: -3.4px;
  left: 1px;
  width: 5px;
  height: 3px;
  border: 1.4px solid currentColor;
  border-bottom: none;
  border-radius: 2px 2px 0 0;
}
.tree-file {
  display: flex;
  align-items: center;
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  cursor: pointer;
  font: inherit;
  color: var(--muted);
  padding: 0.32rem 0.5rem;
  border-radius: 6px;
  border-left: 2px solid transparent;
  white-space: nowrap;
  transition:
    color 0.12s ease,
    background 0.12s ease;
}
.tree-file:hover {
  color: var(--text);
  background: color-mix(in srgb, var(--glacier) 9%, transparent);
}
.tree-file[aria-pressed="true"] {
  color: var(--text);
  background: color-mix(in srgb, var(--glacier) 12%, transparent);
  border-left-color: var(--glacier);
}
.tree-file .ic-file {
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--faint);
  margin-right: 0.55rem;
  flex: none;
}
.tree-file.ext-alpine .ic-file {
  background: var(--glacier);
}
.tree-file.ext-ts .ic-file {
  background: var(--alpenglow);
}
.tree-file.lvl-1 {
  padding-left: 1.5rem;
}
.tree-file.lvl-2 {
  padding-left: 2.4rem;
}

@media (max-width: 960px) {
  .studio-tree {
    display: flex;
    gap: 0.35rem;
    overflow-x: auto;
    overflow-y: hidden;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 0.5rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }
  .studio-tree .tree-root,
  .studio-tree .tree-group {
    display: none;
  }
  .tree-file {
    width: auto;
    flex: none;
    padding: 0.4rem 0.75rem;
    border-left: 0;
    border: 1px solid var(--line);
    border-radius: 999px;
  }
  .tree-file.lvl-1,
  .tree-file.lvl-2 {
    padding-left: 0.75rem;
  }
  .tree-file[aria-pressed="true"] {
    border-color: var(--glacier);
  }
}

/* ---- Editor ---- */
.studio-editor {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--surface);
}
.editor-tabs {
  display: flex;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
  padding: 0 0.5rem;
  flex: none;
}
.editor-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  max-width: 100%;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text);
  padding: 0.5rem 0.8rem;
  border: 1px solid var(--line);
  border-bottom: none;
  border-radius: 8px 8px 0 0;
  background: var(--surface);
  margin-top: 0.4rem;
  position: relative;
  top: 1px;
}
.editor-tab .ic-file {
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--glacier);
  flex: none;
}
.editor-tab .tab-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.editor-tab .tab-x {
  color: var(--faint);
  margin-left: 0.1rem;
}

.editor-scroll {
  overflow: auto;
  padding: 0.85rem 0 1.1rem;
  flex: 1;
  min-height: 0;
}
.code {
  display: none;
  margin: 0;
  border: 0;
  border-radius: 0;
  background: none;
  padding: 0;
  overflow: visible;
  font-size: 0.8rem;
  line-height: 1.7;
}
.code.is-active {
  display: block;
}
.code code {
  counter-reset: ln;
  display: block;
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
}
.line {
  counter-increment: ln;
  display: block;
  white-space: pre;
  position: relative;
  padding: 0 1rem 0 3.3rem;
}
.line::before {
  content: counter(ln);
  position: absolute;
  left: 0;
  width: 2.3rem;
  text-align: right;
  color: var(--faint);
  opacity: 0.55;
  padding-right: 0.35rem;
  font-variant-numeric: tabular-nums;
  -webkit-user-select: none;
  user-select: none;
}
.line:hover {
  background: color-mix(in srgb, var(--glacier) 6%, transparent);
}

/* syntax tokens (scoped) — comments grey, strings green, keywords indigo, tags cyan */
.studio .c {
  color: var(--faint);
  font-style: italic;
}
.studio .s {
  color: #7fd4a6;
}
.studio .k {
  color: #a5b4fc;
}
.studio .f {
  color: #a5b4fc;
}
.studio .t {
  color: #67e8f9;
}
.studio .a {
  color: #67e8f9;
  opacity: 0.85;
}
:root[data-theme="light"] .studio .s {
  color: #2f9e66;
}
:root[data-theme="light"] .studio .k,
:root[data-theme="light"] .studio .f {
  color: #4f46e5;
}
:root[data-theme="light"] .studio .t,
:root[data-theme="light"] .studio .a {
  color: #0e7490;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .studio .s {
    color: #2f9e66;
  }
  :root:not([data-theme="dark"]) .studio .k,
  :root:not([data-theme="dark"]) .studio .f {
    color: #4f46e5;
  }
  :root:not([data-theme="dark"]) .studio .t,
  :root:not([data-theme="dark"]) .studio .a {
    color: #0e7490;
  }
}

.caret {
  display: inline-block;
  width: 0.5ch;
  height: 1.05em;
  margin-left: 1px;
  background: var(--glacier);
  vertical-align: -0.18em;
  border-radius: 1px;
  animation: studioBlink 1.1s steps(1) infinite;
}
@keyframes studioBlink {
  50% {
    opacity: 0;
  }
}

/* switch transition */
.studio .code.sw,
.studio .pv.sw {
  animation: studioSwap 0.26s ease;
}
@keyframes studioSwap {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---- Preview pane ---- */
.studio-preview {
  border-left: 1px solid var(--line);
  background: var(--surface-2);
  padding: 1rem;
  overflow-y: auto;
  min-width: 0;
}
@media (max-width: 960px) {
  .studio-preview {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
}
.preview-inner {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  height: 100%;
}
.pv {
  display: none;
  flex-direction: column;
  gap: 0.7rem;
}
.pv.is-active {
  display: flex;
}

.mini-browser {
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--ground);
  box-shadow: 0 14px 34px -24px rgba(0, 0, 0, 0.55);
}
.mb-bar {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.6rem;
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
}
.mb-dots {
  display: inline-flex;
  gap: 0.28rem;
  flex: none;
}
.mb-dots i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--faint);
  opacity: 0.55;
  display: block;
}
.mb-url {
  font-family: var(--mono);
  font-size: 0.66rem;
  color: var(--muted);
  background: var(--ground);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.12rem 0.55rem;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.mb-view {
  padding: 1rem;
}
.mb-view.mb-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  padding: 1.6rem 1rem;
}
.mb-view h4 {
  margin: 0 0 0.65rem;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  font-weight: 700;
}
.mb-filter {
  width: 100%;
  font: inherit;
  font-size: 0.8rem;
  padding: 0.4rem 0.6rem;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  margin-bottom: 0.7rem;
}
.mb-filter:focus-visible {
  outline: 2px solid var(--glacier);
  outline-offset: 1px;
}
.mb-list {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.mb-list a {
  font-size: 0.85rem;
  color: var(--glacier);
  padding: 0.15rem 0;
  cursor: pointer;
}
.mb-list a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.mb-body {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.6;
}
.mb-body code {
  font-size: 0.9em;
}
.counter-demo {
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-btn, 0.6rem);
  background: var(--glacier);
  color: #04121f;
  border: 1px solid transparent;
  transition:
    transform 0.08s ease,
    background 0.12s ease;
}
.counter-demo:hover {
  background: var(--glacier-deep);
  color: #fff;
}
.counter-demo:active {
  transform: translateY(1px);
}
.mb-hint {
  margin: 0;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.72rem;
}

/* two-surfaces panel (the signature differentiator) */
.surfaces {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.surface {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  padding: 0.75rem 0.85rem;
  border-left: 3px solid var(--glacier);
}
.surface.mcp {
  border-left-color: var(--alpenglow);
  background: color-mix(in srgb, var(--alpenglow) 8%, var(--surface));
}
.surface .s-h {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--glacier);
  display: block;
  margin-bottom: 0.45rem;
}
.surface.mcp .s-h {
  color: var(--alpenglow);
}
.surface > code {
  font-family: var(--mono);
  font-size: 0.78rem;
  background: none;
  border: 0;
  padding: 0;
  color: var(--text);
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.chip {
  font-family: var(--mono);
  font-size: 0.71rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--alpenglow) 45%, var(--line));
  color: var(--alpenglow);
  background: color-mix(in srgb, var(--alpenglow) 12%, transparent);
}
.preview-caption {
  font-size: 0.76rem;
  color: var(--muted);
  font-family: var(--mono);
  text-align: center;
  margin: 0.1rem 0 0;
}
.preview-caption.warm {
  color: var(--alpenglow);
}

.schema-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  overflow: hidden;
}
.schema-card .sc-h {
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 0.45rem 0.7rem;
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}
.schema-card .sc-h b {
  color: var(--glacier);
  font-weight: 600;
}
.sc-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.32rem 0.7rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  border-bottom: 1px solid var(--line);
}
.sc-row:last-child {
  border-bottom: 0;
}
.sc-row .col {
  color: var(--text);
}
.sc-row .typ {
  color: var(--muted);
}
.schema-arrow {
  text-align: center;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--faint);
  margin: 0;
}
.schema-arrow code {
  font-size: 0.9em;
}

@media (prefers-reduced-motion: reduce) {
  .studio.intro {
    animation: none;
  }
  .studio .code.sw,
  .studio .pv.sw {
    animation: none;
  }
  .caret {
    animation: none;
  }
}

/* ---------- Panorama (vertical carousel, hero-style backdrop) ---------- */
.pano {
  position: relative;
  margin: 1.8rem 0 0.6rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  height: clamp(320px, 46vh, 430px);
  background:
    radial-gradient(900px 500px at 82% -12%, rgba(99, 102, 241, 0.22), transparent 60%),
    radial-gradient(700px 460px at 4% 112%, rgba(34, 211, 238, 0.14), transparent 55%),
    var(--ground-deep);
}
.pano-viewport {
  position: relative;
  z-index: 1;
  height: 100%;
  overflow: hidden;
}
.pano-track {
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
@media (prefers-reduced-motion: reduce) {
  .pano-track {
    transition: none;
  }
}
.pano-slide {
  flex: 0 0 100%;
  height: 100%;
  min-height: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.7rem;
  padding: clamp(1.5rem, 5vw, 3.5rem);
}
.pano-k {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--alpenglow);
  margin: 0;
}
.pano-slide.accent .pano-k {
  color: var(--glacier);
}
.pano-slide h3 {
  margin: 0;
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  letter-spacing: -0.02em;
  line-height: 1.14;
  max-width: 20ch;
}
.pano-slide > p {
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.7vw, 1.18rem);
  max-width: 46ch;
}
.pano-slide code {
  background: var(--glacier-soft);
  border: 1px solid var(--line);
  border-radius: 0.35rem;
  padding: 0.05rem 0.35rem;
  font-size: 0.88em;
}
.pano-dots {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.pano-dots button {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 999px;
  border: none;
  padding: 0;
  background: var(--line);
  cursor: pointer;
  transition:
    height 0.25s ease,
    background 0.25s ease;
}
.pano-dots button[aria-current="true"] {
  background: var(--glacier);
  height: 1.5rem;
}

/* ---------- Theme toggle icon (sun in dark, moon in light) ---------- */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.4rem;
  line-height: 0;
}
.theme-toggle svg {
  display: block;
}
.theme-toggle .ic-moon {
  display: none;
}
:root[data-theme="light"] .theme-toggle .ic-sun {
  display: none;
}
:root[data-theme="light"] .theme-toggle .ic-moon {
  display: block;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .theme-toggle .ic-sun {
    display: none;
  }
  :root:not([data-theme="dark"]) .theme-toggle .ic-moon {
    display: block;
  }
}

/* ============================================================
   Landing showcase (IDE) + universal code-block enhancement
   Added tokens (semantic + shadow); everything else reuses the
   existing --glacier / --alpenglow / --ground / --surface system.
   ============================================================ */
:root {
  --green: #34d399;
  --red: #f87171;
  --amber: #fbbf24;
  --radius-lg: 1rem;
  --shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.55);
}
@media (prefers-color-scheme: light) {
  :root {
    --green: #0f9d6f;
    --red: #dc2626;
    --amber: #b45309;
    --shadow: 0 24px 60px -30px rgba(40, 54, 110, 0.32);
  }
}
:root[data-theme="light"] {
  --green: #0f9d6f;
  --red: #dc2626;
  --amber: #b45309;
  --shadow: 0 24px 60px -30px rgba(40, 54, 110, 0.32);
}
:root[data-theme="dark"] {
  --green: #34d399;
  --red: #f87171;
  --amber: #fbbf24;
  --shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.55);
}

/* ---------- Universal code block: line numbers + copy ---------- */
.cb {
  position: relative;
  margin: 1rem 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--surface);
}
.cb-top {
  display: flex;
  justify-content: flex-end;
  padding: 0.35rem 0.5rem;
  border-bottom: 1px solid var(--line);
  background: var(--ground-deep);
}
.cb-copy {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--sans);
  font-size: 0.75rem;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 0.4rem;
  padding: 0.25rem 0.55rem;
  cursor: pointer;
  transition:
    color 0.15s,
    border-color 0.15s;
}
.cb-copy:hover {
  color: var(--text);
  border-color: var(--glacier);
}
.cb-copy.ok {
  color: var(--green);
  border-color: var(--green);
}
.cb-copy svg {
  width: 13px;
  height: 13px;
}
.cb-body {
  display: flex;
  overflow-x: auto;
}
.cb-gutter {
  flex: none;
  position: sticky;
  left: 0;
  z-index: 1;
  padding: 0.9rem 0.6rem 0.9rem 0.9rem;
  text-align: right;
  white-space: pre;
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--faint);
  background: var(--surface);
  border-right: 1px solid var(--line);
  user-select: none;
}
.cb-body pre {
  margin: 0 !important;
  padding: 0.9rem 1.1rem !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  font-size: 0.8rem !important;
  line-height: 1.6 !important;
  overflow: visible !important;
  max-height: none !important;
}
.cb-body pre code {
  font-size: inherit;
  line-height: inherit;
}

/* ---------- Apex IDE showcase (namespaced ax-) ---------- */
.ax-ide {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.ax-titlebar {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.65rem 0.95rem;
  background: var(--ground-deep);
  border-bottom: 1px solid var(--line);
}
.ax-dots {
  display: flex;
  gap: 0.45rem;
}
.ax-dots i {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: block;
}
.ax-dots i:nth-child(1) {
  background: #ff5f57;
}
.ax-dots i:nth-child(2) {
  background: #febc2e;
}
.ax-dots i:nth-child(3) {
  background: #28c840;
}
.ax-tbtitle {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
}
.ax-tbtitle b {
  color: var(--text);
  font-weight: 600;
}
.ax-tbtag {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
}
.ax-body {
  display: grid;
  grid-template-columns: 246px 1fr;
}
.ax-explorer {
  background: var(--ground-deep);
  border-right: 1px solid var(--line);
  padding: 0.6rem 0;
  overflow: auto;
}
.ax-explabel {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  padding: 0.3rem 0.9rem 0.5rem;
}
.ax-tree,
.ax-tree ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.ax-tree ul {
  margin-left: 0.72rem;
  border-left: 1px solid var(--line);
}
.ax-tree li.collapsed > ul {
  display: none;
}
.ax-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  width: 100%;
  text-align: left;
  font-family: var(--mono);
  font-size: 0.815rem;
  color: var(--muted);
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0.24rem 0.6rem 0.24rem 0.7rem;
  border-radius: 0.35rem;
  position: relative;
}
.ax-row:hover {
  background: var(--glacier-soft);
  color: var(--text);
}
.ax-chev {
  width: 0.7rem;
  color: var(--faint);
  transition: transform 0.15s;
  display: inline-block;
}
.ax-tree li.collapsed > .ax-row .ax-chev {
  transform: rotate(-90deg);
}
.ax-row.file {
  padding-left: 1.4rem;
}
.ax-dot {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  flex: none;
}
.ax-dot.alpine {
  background: var(--glacier);
}
.ax-dot.ts {
  background: var(--alpenglow);
}
.ax-dot.cfg {
  background: var(--amber);
}
.ax-row.active {
  background: color-mix(in srgb, var(--glacier) 22%, transparent);
  color: var(--text);
}
.ax-row.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  bottom: 3px;
  width: 2px;
  border-radius: 2px;
  background: var(--alpenglow);
}
.ax-fldr {
  color: var(--text);
  font-weight: 600;
}
.ax-editor {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.ax-tabs {
  display: flex;
  align-items: center;
  background: var(--ground-deep);
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
}
.ax-tab {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text);
  padding: 0.55rem 0.95rem;
  border-right: 1px solid var(--line);
  white-space: nowrap;
  background: var(--surface);
}
.ax-tabpath {
  color: var(--faint);
}
.ax-lang {
  margin-left: auto;
  margin-right: 0.7rem;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
  flex: none;
}
.ax-scroll {
  position: relative;
  overflow: auto;
  max-height: 460px;
  background: var(--surface);
}
.ax-coderow {
  display: flex;
  min-width: max-content;
}
.ax-gutter {
  position: sticky;
  left: 0;
  z-index: 2;
  flex: none;
  padding: 0.9rem 0.55rem 0.9rem 0.9rem;
  text-align: right;
  white-space: pre;
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.65;
  color: var(--faint);
  background: var(--surface);
  border-right: 1px solid var(--line);
  user-select: none;
}
pre.ax-code {
  margin: 0;
  padding: 0.9rem 1.2rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.65;
  white-space: pre;
  tab-size: 2;
  background: transparent;
  border: 0;
}
.ax-code .n {
  color: var(--amber);
}
.ax-terminal {
  border-top: 1px solid var(--line);
  background: var(--ground-deep);
}
.ax-termbar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 0.9rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--faint);
}
.ax-live {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--green);
  text-transform: none;
  letter-spacing: 0;
}
.ax-live i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  animation: axpulse 2s infinite;
}
@keyframes axpulse {
  0% {
    box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.5);
  }
  70% {
    box-shadow: 0 0 0 6px rgba(52, 211, 153, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(52, 211, 153, 0);
  }
}
pre.ax-term {
  margin: 0;
  padding: 1rem 1.2rem 1.3rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.5;
  overflow-x: auto;
  background: transparent;
  border: 0;
}
.ax-term .path {
  color: var(--alpenglow);
}
.ax-term .prompt {
  color: var(--faint);
}
.ax-term .inp {
  color: var(--text);
}
.ax-term .banner {
  display: block;
  background: linear-gradient(94deg, var(--glacier), var(--alpenglow));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 700;
}
.ax-term .ver {
  color: var(--alpenglow);
}
.ax-term .sub {
  color: var(--faint);
}
.ax-term .ok {
  color: var(--green);
}
.ax-term .arw {
  color: var(--alpenglow);
}
.ax-term .lbl {
  color: var(--text);
  font-weight: 600;
}
.ax-term .url {
  color: var(--alpenglow);
}
.ax-cursor {
  display: inline-block;
  width: 8px;
  height: 1em;
  background: var(--alpenglow);
  vertical-align: -2px;
  animation: axblink 1.1s steps(1) infinite;
}
@keyframes axblink {
  50% {
    opacity: 0;
  }
}

/* Live demo panel */
.ax-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface);
  overflow: hidden;
  margin-top: 1.2rem;
}
.ax-panelh {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 0.95rem;
  border-bottom: 1px solid var(--line);
  background: var(--ground-deep);
  font-size: 0.86rem;
  color: var(--muted);
}
.ax-panelh b {
  color: var(--text);
}
.ax-reqlog {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--faint);
}
.ax-demoapp {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
}
.ax-demomain {
  padding: 1.1rem 1.2rem 1.3rem;
  min-width: 0;
}
.ax-filter {
  width: 100%;
  padding: 0.6rem 0.75rem;
  background: var(--ground-deep);
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  color: var(--text);
  font: inherit;
  margin-bottom: 0.9rem;
}
.ax-filter:focus {
  outline: none;
  border-color: var(--glacier);
}
.ax-posts {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.ax-post {
  display: block;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  text-decoration: none;
  background: var(--ground-deep);
  color: inherit;
  transition:
    border-color 0.15s,
    transform 0.1s;
}
.ax-post:hover {
  border-color: var(--glacier);
  transform: translateX(2px);
}
.ax-post strong {
  display: block;
  font-size: 0.95rem;
}
.ax-post span {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 0.15rem;
}
.ax-post .by {
  display: block;
  font-size: 0.76rem;
  color: var(--faint);
  margin-top: 0.35rem;
}
.ax-empty {
  color: var(--faint);
  font-size: 0.9rem;
  padding: 1rem 0;
}
.ax-demoside {
  border-left: 1px solid var(--line);
  padding: 1.1rem 1.2rem;
  background: var(--surface-2);
}
.ax-demoside h4 {
  margin: 0 0 0.2rem;
  font-size: 0.95rem;
}
.ax-demoside p {
  margin: 0 0 0.9rem;
  color: var(--muted);
  font-size: 0.83rem;
}
.ax-field {
  display: block;
  margin-bottom: 0.65rem;
}
.ax-field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 550;
  color: var(--muted);
  margin-bottom: 0.3rem;
}
.ax-field input {
  width: 100%;
  padding: 0.5rem 0.65rem;
  background: var(--ground-deep);
  border: 1px solid var(--line);
  border-radius: 0.45rem;
  color: var(--text);
  font: inherit;
}
.ax-field input:focus {
  outline: none;
  border-color: var(--glacier);
}
.ax-toast {
  position: fixed;
  bottom: 1.3rem;
  left: 50%;
  transform: translate(-50%, 2rem);
  background: var(--raised-2);
  border: 1px solid var(--green);
  color: var(--text);
  padding: 0.7rem 1.1rem;
  border-radius: 0.6rem;
  font-size: 0.85rem;
  opacity: 0;
  transition: all 0.3s;
  z-index: 100;
  box-shadow: var(--shadow);
  pointer-events: none;
}
.ax-toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}
.ax-toast .ax-code2 {
  font-family: var(--mono);
  color: var(--green);
}

@media (max-width: 860px) {
  .ax-body {
    grid-template-columns: 1fr;
  }
  .ax-explorer {
    border-right: none;
    border-bottom: 1px solid var(--line);
    max-height: 220px;
  }
  .ax-demoapp {
    grid-template-columns: 1fr;
  }
  .ax-demoside {
    border-left: none;
    border-top: 1px solid var(--line);
  }
}
@media (prefers-reduced-motion: reduce) {
  .ax-cursor,
  .ax-live i {
    animation: none !important;
  }
}