:root {
  color-scheme: light;
  --ae-bg:
    radial-gradient(circle at 12% 16%, rgba(37, 99, 235, 0.12), transparent 0 28%),
    radial-gradient(circle at 88% 10%, rgba(14, 165, 233, 0.10), transparent 0 24%),
    linear-gradient(180deg, #f8fbff 0%, #eef3fb 52%, #e8eef8 100%);
  --ae-surface: rgba(255, 255, 255, 0.88);
  --ae-surface-strong: rgba(255, 255, 255, 0.96);
  --ae-ink: #0f172a;
  --ae-ink-soft: #334155;
  --ae-muted: #64748b;
  --ae-line: rgba(15, 23, 42, 0.08);
  --ae-line-strong: rgba(37, 99, 235, 0.18);
  --ae-accent: #2563eb;
  --ae-accent-strong: #1d4ed8;
  --ae-accent-soft: rgba(37, 99, 235, 0.10);
  --ae-shadow-border: 0 0 0 1px rgba(15, 23, 42, 0.06);
  --ae-shadow-panel:
    0 24px 60px rgba(15, 23, 42, 0.07),
    0 0 0 1px rgba(255, 255, 255, 0.72) inset;
  --ae-shadow-hero:
    0 28px 80px rgba(15, 23, 42, 0.10),
    0 0 0 1px rgba(255, 255, 255, 0.8) inset;
  --ae-radius-xl: 32px;
  --ae-radius-lg: 24px;
  --ae-radius-md: 18px;
  --ae-sans: "IBM Plex Sans", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --ae-display: "IBM Plex Sans", "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --ae-mono: "JetBrains Mono", "SFMono-Regular", Menlo, Monaco, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body.ae-docs-body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--ae-sans);
  color: var(--ae-ink);
  background: var(--ae-bg);
  background-attachment: fixed;
}

body.ae-docs-body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.08) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.65), transparent 82%);
  opacity: 0.28;
}

.ae-skip-link {
  position: absolute;
  left: 20px;
  top: -64px;
  z-index: 50;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--ae-accent);
  color: #fff;
  text-decoration: none;
  transition: top 160ms ease;
}

.ae-skip-link:focus {
  top: 16px;
}

.ae-site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
  background: rgba(248, 250, 252, 0.78);
  backdrop-filter: blur(18px) saturate(140%);
}

.ae-site-header-inner,
.ae-layout {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
}

.ae-site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 76px;
}

.ae-brand {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  text-decoration: none;
}

.ae-brand-kicker,
.ae-kicker,
.ae-mini-label {
  font-family: var(--ae-mono);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ae-accent);
}

.ae-brand-title {
  color: var(--ae-ink);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.ae-nav-cluster {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.ae-status-pill,
.ae-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--ae-line-strong);
  background: var(--ae-accent-soft);
  color: var(--ae-accent-strong);
  font-family: var(--ae-mono);
  font-size: 12px;
}

.ae-nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.ae-nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--ae-ink-soft);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.ae-nav-link:hover,
.ae-nav-link.is-active {
  background: rgba(255, 255, 255, 0.72);
  border-color: var(--ae-line);
  color: var(--ae-ink);
  transform: translateY(-1px);
}

.ae-layout {
  padding: 30px 0 80px;
}

.markdown-body {
  background: transparent !important;
  color: var(--ae-ink) !important;
  font-family: var(--ae-sans);
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
  color: var(--ae-ink);
  letter-spacing: -0.03em;
  font-family: var(--ae-display);
}

.markdown-body h1 {
  font-size: clamp(2.5rem, 5vw, 4.75rem);
  line-height: 0.98;
  margin-bottom: 18px;
}

.markdown-body h2 {
  font-size: clamp(1.65rem, 2.3vw, 2.45rem);
  line-height: 1.02;
  margin-top: 0;
}

.markdown-body h3 {
  font-size: 1.1rem;
  line-height: 1.25;
}

.markdown-body p,
.markdown-body li {
  color: var(--ae-ink-soft);
  font-size: 1rem;
  line-height: 1.72;
}

.markdown-body strong {
  color: var(--ae-ink);
}

.markdown-body code,
.markdown-body tt {
  padding: 0.18em 0.42em;
  border-radius: 999px;
  font-family: var(--ae-mono);
  font-size: 0.85em;
  color: var(--ae-ink);
  background: rgba(15, 23, 42, 0.05);
}

.markdown-body pre,
.markdown-body pre code {
  border-radius: 22px;
  font-family: var(--ae-mono);
}

.markdown-body pre {
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(180deg, #0f172a 0%, #111827 100%);
  box-shadow:
    0 18px 40px rgba(15, 23, 42, 0.16),
    0 0 0 1px rgba(255, 255, 255, 0.04) inset;
}

.markdown-body pre code {
  padding: 0;
  color: #e2e8f0;
  background: transparent;
}

.markdown-body blockquote {
  margin: 0;
  padding: 18px 22px;
  border-left: 4px solid var(--ae-accent);
  border-radius: 0 var(--ae-radius-md) var(--ae-radius-md) 0;
  background: rgba(255, 255, 255, 0.74);
  color: var(--ae-ink-soft);
  box-shadow: var(--ae-shadow-border);
}

.markdown-body table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  border: 1px solid var(--ae-line);
  border-radius: 22px;
  box-shadow: var(--ae-shadow-panel);
  background: rgba(255, 255, 255, 0.92);
}

.markdown-body table th,
.markdown-body table td {
  padding: 14px 16px;
  border-color: rgba(15, 23, 42, 0.06);
}

.markdown-body table th {
  background: rgba(37, 99, 235, 0.06);
  color: var(--ae-ink);
  font-size: 0.78rem;
  font-family: var(--ae-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.markdown-body table tr:nth-child(even) td {
  background: rgba(248, 250, 252, 0.72);
}

.markdown-body img {
  display: block;
  max-width: 100%;
  border-radius: 26px;
  box-shadow:
    0 28px 60px rgba(15, 23, 42, 0.10),
    0 0 0 1px rgba(15, 23, 42, 0.08);
}

.ae-hero,
.ae-panel,
.ae-step,
.ae-surface-card,
.ae-proof-card,
.ae-media-card,
.ae-note-card,
.ae-disclosure,
.ae-split-card {
  position: relative;
  overflow: hidden;
  background: var(--ae-surface);
  border: 1px solid var(--ae-line);
  border-radius: var(--ae-radius-lg);
  box-shadow: var(--ae-shadow-panel);
}

.ae-hero::before,
.ae-panel::before,
.ae-step::before,
.ae-surface-card::before,
.ae-proof-card::before,
.ae-media-card::before,
.ae-note-card::before,
.ae-split-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.65), transparent 26%);
}

.ae-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.9fr);
  gap: 22px;
  padding: 32px;
  margin-bottom: 26px;
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.14), transparent 34%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(248, 250, 252, 0.84)),
    var(--ae-surface);
  box-shadow: var(--ae-shadow-hero);
  border-radius: var(--ae-radius-xl);
}

.ae-hero-main,
.ae-hero-side {
  position: relative;
  z-index: 1;
}

.ae-lead {
  max-width: 66ch;
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.78;
  color: var(--ae-ink-soft);
}

.ae-actions,
.ae-step-grid,
.ae-proof-grid,
.ae-split,
.ae-media-grid,
.ae-note-grid,
.ae-surface-grid,
.ae-inline-links {
  display: grid;
  gap: 18px;
}

.ae-actions,
.ae-inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.ae-actions {
  margin-top: 20px;
}

.ae-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--ae-line);
  background: rgba(255, 255, 255, 0.76);
  color: var(--ae-ink);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--ae-shadow-border);
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.ae-button:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.96);
  border-color: var(--ae-line-strong);
}

.ae-button-primary {
  color: #fff;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  border-color: transparent;
  box-shadow:
    0 18px 36px rgba(37, 99, 235, 0.24),
    0 0 0 1px rgba(255, 255, 255, 0.18) inset;
}

.ae-button-primary:hover {
  background: linear-gradient(135deg, #1d4ed8, #1e40af);
}

.ae-glance-list,
.ae-meta-list {
  display: grid;
  gap: 12px;
  margin: 0;
}

.ae-glance-list div,
.ae-meta-list div {
  padding: 14px 16px;
  border-radius: var(--ae-radius-md);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: var(--ae-shadow-border);
}

.ae-glance-list dt,
.ae-meta-list dt {
  margin-bottom: 6px;
  color: var(--ae-muted);
  font-family: var(--ae-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.ae-glance-list dd,
.ae-meta-list dd {
  margin: 0;
  color: var(--ae-ink);
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.5;
}

.ae-section {
  margin: 0 0 24px;
}

.ae-section-head {
  margin-bottom: 14px;
}

.ae-step-grid,
.ae-proof-grid,
.ae-note-grid,
.ae-surface-grid {
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.ae-split,
.ae-media-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.ae-step,
.ae-proof-card,
.ae-media-card,
.ae-note-card,
.ae-split-card,
.ae-surface-card {
  margin: 0;
  padding: 22px;
}

.ae-media-card img {
  width: 100%;
  margin-bottom: 12px;
}

.ae-step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 14px;
  border-radius: 50%;
  background: var(--ae-accent-soft);
  color: var(--ae-accent-strong);
  font-family: var(--ae-mono);
  font-size: 12px;
  font-weight: 600;
}

.ae-step h3,
.ae-proof-card h3,
.ae-media-card h3,
.ae-note-card h3,
.ae-split-card h3,
.ae-surface-card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  line-height: 1.22;
  color: var(--ae-ink);
}

.ae-proof-list,
.ae-bullet-list {
  margin: 12px 0 0;
  padding-left: 18px;
}

.ae-proof-list li,
.ae-bullet-list li {
  margin-bottom: 10px;
}

.ae-command {
  margin-top: 14px;
}

.ae-command pre {
  margin: 0;
}

.ae-command-caption,
.ae-caption {
  margin-top: 12px;
  color: var(--ae-muted);
  font-size: 0.92rem;
}

.ae-disclosure {
  padding: 18px 20px;
}

.ae-disclosure + .ae-disclosure {
  margin-top: 12px;
}

.ae-disclosure summary {
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  color: var(--ae-ink);
}

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

.ae-disclosure summary::after {
  content: "+";
  float: right;
  color: var(--ae-accent);
  font-family: var(--ae-mono);
}

.ae-disclosure[open] summary::after {
  content: "–";
}

.ae-disclosure p {
  margin-top: 12px;
}

.ae-note {
  margin: 0;
  padding: 16px 18px;
  border-left: 4px solid var(--ae-accent);
  border-radius: 0 var(--ae-radius-md) var(--ae-radius-md) 0;
  background: rgba(255, 255, 255, 0.78);
  color: var(--ae-ink-soft);
  box-shadow: var(--ae-shadow-border);
}

.ae-footer {
  margin-top: 28px;
  padding: 22px 0 0;
}

.ae-footer-copy {
  margin: 0;
  color: var(--ae-muted);
  font-size: 0.94rem;
  text-align: right;
}

.ae-footer-copy a {
  color: var(--ae-accent);
  font-weight: 600;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.28);
  outline-offset: 4px;
}

@media (max-width: 920px) {
  .ae-hero {
    grid-template-columns: 1fr;
  }

  .ae-site-header-inner {
    min-height: 88px;
    align-items: flex-start;
    padding: 14px 0;
  }
}

@media (max-width: 720px) {
  .ae-site-header-inner,
  .ae-layout {
    width: min(100vw - 20px, 1180px);
  }

  .ae-layout {
    padding: 22px 0 56px;
  }

  .ae-hero,
  .ae-step,
  .ae-proof-card,
  .ae-media-card,
  .ae-note-card,
  .ae-split-card,
  .ae-surface-card,
  .ae-disclosure {
    padding: 18px;
  }

  .markdown-body h1 {
    font-size: clamp(2.25rem, 11vw, 3.4rem);
  }

  .markdown-body h2 {
    font-size: clamp(1.5rem, 8vw, 2.2rem);
  }

  .ae-footer-copy {
    text-align: left;
  }
}