/* ──────────────── Reset + Tokens ──────────────── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #0a0a0f;
  --surface-1: #111118;
  --surface-2: #1a1a24;
  --surface-3: #252532;
  --border: #2a2a3a;
  --border-strong: #3a3a4f;
  --accent: #7a7aff;
  --accent-soft: #5b5bd6;
  --accent-dim: rgba(122, 122, 255, 0.18);
  --text: #ececf1;
  --text-secondary: #a1a1b5;
  --text-muted: #6b6b80;
  --success: #30a46c;
  --danger: #e5484d;
  --warning: #f5a524;
  --code-bg: #161620;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family:
    -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", system-ui,
    sans-serif;
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

::selection {
  background: var(--accent-dim);
}

/* ──────────────── Typography ──────────────── */
h1,
h2,
h3,
h4 {
  color: var(--text);
  letter-spacing: -0.015em;
  line-height: 1.25;
}

h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.025em;
}

h2 {
  font-size: 1.4rem;
  font-weight: 650;
  margin-top: 3rem;
  margin-bottom: 0.75rem;
  padding-top: 0.25rem;
}

h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

p {
  color: var(--text-secondary);
  margin: 0 0 0.9rem;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 120ms ease;
}
a:hover {
  color: var(--text);
}

ul,
ol {
  color: var(--text-secondary);
  margin: 0 0 1rem 1.25rem;
}
li {
  margin: 0.25rem 0;
}
li::marker {
  color: var(--text-muted);
}

code {
  font-family:
    "JetBrains Mono", "Fira Code", "SF Mono", "Menlo", ui-monospace, monospace;
  font-size: 0.9em;
  background: var(--code-bg);
  border: 1px solid var(--border);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  color: #d8d8f0;
}

kbd {
  display: inline-block;
  font-family:
    "JetBrains Mono", "SF Mono", "Menlo", monospace;
  font-size: 0.8em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: 0.1em 0.45em;
  color: var(--text);
  line-height: 1;
  vertical-align: middle;
  min-width: 1.25em;
  text-align: center;
}

pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin: 0 0 1.25rem;
  overflow-x: auto;
  font-family:
    "JetBrains Mono", "Fira Code", "SF Mono", "Menlo", monospace;
  font-size: 13px;
  line-height: 1.6;
  color: #d8d8f0;
}
pre code {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
  font-size: inherit;
}

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.5rem 0;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1.5rem;
  font-size: 0.95em;
}
th,
td {
  text-align: left;
  padding: 0.55rem 0.85rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.85em;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
td {
  color: var(--text-secondary);
}
tr:last-child td {
  border-bottom: none;
}

/* ──────────────── Top nav ──────────────── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: 1280px;
  margin: 0 auto;
  height: 56px;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
}
.brand img {
  width: 24px;
  height: 24px;
  border-radius: 5px;
}
.brand:hover {
  color: var(--text);
}
.topbar-version {
  font-family: "JetBrains Mono", "SF Mono", monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  padding: 2px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
}
.topbar-spacer {
  flex: 1;
}
.topbar-links {
  display: flex;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  font-size: 0.875rem;
}
.topbar-links a {
  color: var(--text-secondary);
}
.topbar-links a:hover {
  color: var(--text);
}

/* ──────────────── Docs shell layout ──────────────── */
.docs-shell {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 3rem;
  padding: 2.5rem 1.5rem 4rem;
}
.docs-main-only {
  /* Pages without a TOC */
  grid-template-columns: 240px 1fr;
}

/* Sidebar */
.docs-sidebar {
  position: sticky;
  top: 80px;
  align-self: start;
  max-height: calc(100vh - 90px);
  overflow-y: auto;
  padding-right: 0.5rem;
}
.docs-sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.docs-sidebar-group-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  padding: 0 0.6rem;
}
.docs-sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.6rem;
  border-radius: 6px;
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.4;
  margin: 0;
  transition:
    color 120ms ease,
    background 120ms ease;
}
.docs-sidebar-link:hover {
  color: var(--text);
  background: var(--surface-1);
}
.docs-sidebar-link.is-active {
  color: var(--text);
  background: var(--surface-2);
  font-weight: 500;
}
.docs-sidebar-link .pill {
  margin-left: auto;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 1px 5px;
  border-radius: 4px;
  text-transform: uppercase;
}

/* Main + TOC */
.docs-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 200px;
  gap: 3rem;
  min-width: 0;
}
.docs-main--no-toc {
  grid-template-columns: minmax(0, 1fr);
}
.docs-article {
  min-width: 0;
  max-width: 760px;
}
.docs-article > p:first-of-type,
.docs-article > .docs-lede {
  color: var(--text);
  font-size: 1.05rem;
  line-height: 1.65;
  margin-bottom: 1.5rem;
}
.docs-article > h2:first-child,
.docs-article > h1:first-child {
  margin-top: 0;
}
.docs-article > h2 {
  border-top: 1px solid var(--border);
  padding-top: 2.5rem;
  margin-top: 3rem;
}
.docs-article > h2:first-of-type {
  border-top: none;
  padding-top: 0;
}

/* On this page */
.docs-toc {
  position: sticky;
  top: 80px;
  align-self: start;
  max-height: calc(100vh - 90px);
  overflow-y: auto;
  font-size: 0.8rem;
}
.docs-toc-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}
.docs-toc ul {
  list-style: none;
  margin: 0;
}
.docs-toc li {
  margin: 0;
}
.docs-toc a {
  display: block;
  padding: 0.3rem 0;
  color: var(--text-muted);
  border-left: 1px solid var(--border);
  padding-left: 0.85rem;
  transition: color 120ms ease, border-color 120ms ease;
}
.docs-toc a:hover {
  color: var(--text-secondary);
  border-left-color: var(--text-muted);
}
.docs-toc a.is-active {
  color: var(--text);
  border-left-color: var(--accent);
}
.docs-toc .toc-h3 {
  padding-left: 1.5rem;
  font-size: 0.78rem;
}

/* ──────────────── Compact hero (index only) ──────────────── */
.hero-compact {
  padding: 2.5rem 0 2rem;
  text-align: center;
}
.hero-compact .hero-icon {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  margin: 0 auto 1.25rem;
}
.hero-compact h1 {
  font-size: 2.25rem;
  margin-bottom: 0.6rem;
}
.hero-compact .accent {
  background: linear-gradient(120deg, var(--accent) 0%, #b694ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-compact .tagline {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto 1.5rem;
}
.hero-ctas {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.95rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 120ms ease;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary {
  background: var(--accent-soft);
  color: white;
}
.btn-primary:hover {
  background: var(--accent);
  color: white;
}
.btn-secondary {
  border-color: var(--border);
  color: var(--text-secondary);
  background: transparent;
}
.btn-secondary:hover {
  border-color: var(--border-strong);
  color: var(--text);
}

/* ──────────────── Slider (index only) ──────────────── */
.screenshot-wrap {
  max-width: 1024px;
  margin: 0 auto 2rem;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.6);
  position: relative;
}
.slider-track {
  display: flex;
  transition: transform 600ms cubic-bezier(0.22, 1, 0.36, 1);
}
.slider-track img {
  width: 100%;
  flex: 0 0 100%;
  display: block;
}
.slider-dots {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin: 1rem 0 0;
}
.slider-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--border-strong);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background 200ms ease;
}
.slider-dot:hover {
  background: var(--text-muted);
}
.slider-dot.active {
  background: var(--accent);
  width: 18px;
  border-radius: 4px;
}

/* ──────────────── Particle canvas ──────────────── */
#particle-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  opacity: 0.55;
}

/* ──────────────── Callouts ──────────────── */
.callout {
  display: flex;
  gap: 0.85rem;
  padding: 0.9rem 1rem;
  border-radius: 8px;
  margin: 0 0 1.25rem;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-left-width: 3px;
  font-size: 0.92rem;
  line-height: 1.55;
}
.callout p:last-child {
  margin-bottom: 0;
}
.callout--note {
  border-left-color: var(--accent);
}
.callout--warn {
  border-left-color: var(--warning);
}
.callout--danger {
  border-left-color: var(--danger);
}
.callout-icon {
  flex-shrink: 0;
  margin-top: 1px;
  font-weight: 700;
  color: var(--accent);
  font-size: 0.85em;
}
.callout--warn .callout-icon {
  color: var(--warning);
}
.callout--danger .callout-icon {
  color: var(--danger);
}
.callout-body {
  color: var(--text-secondary);
  min-width: 0;
}
.callout-body strong {
  color: var(--text);
}

/* ──────────────── BETA pill ──────────────── */
.beta-pill {
  display: inline-block;
  vertical-align: middle;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  background: var(--accent-dim);
  color: var(--accent);
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: 0.5em;
  text-transform: uppercase;
}

/* ──────────────── Footer ──────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 1.5rem;
  margin-top: 4rem;
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-inner a {
  color: var(--text-secondary);
}
.footer-inner a:hover {
  color: var(--text);
}
.footer-links {
  list-style: none;
  display: flex;
  gap: 1.25rem;
  margin: 0;
}

/* ──────────────── Responsive ──────────────── */
@media (max-width: 1024px) {
  .docs-main {
    grid-template-columns: minmax(0, 1fr);
  }
  .docs-toc {
    display: none;
  }
}
@media (max-width: 768px) {
  .docs-shell {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 1.5rem 1rem 2.5rem;
  }
  .docs-sidebar {
    position: static;
    max-height: none;
    padding-right: 0;
  }
  .docs-sidebar nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  .docs-sidebar-group-label {
    display: none;
  }
  .hero-compact h1 {
    font-size: 1.75rem;
  }
}

/* ──────────────── Scrollbars (subtle) ──────────────── */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--border-strong);
}