:root {
  color-scheme: dark;
  --hydracept-bg: #070b10;
  --hydracept-bg-deep: #040608;
  --hydracept-surface: #0e141c;
  --hydracept-surface-raised: #141c26;
  --hydracept-text: #e8edf4;
  --hydracept-muted: #8b97a8;
  --hydracept-accent: #4d9fff;
  --hydracept-accent-strong: #7ab8ff;
  --hydracept-border: rgba(255, 255, 255, 0.08);
  --hydracept-border-strong: rgba(255, 255, 255, 0.14);
  --hydracept-glow: rgba(77, 159, 255, 0.12);
  --hydracept-radius: 6px;
  --hydracept-font-display: "IBM Plex Sans", system-ui, sans-serif;
  --hydracept-font: "IBM Plex Sans", system-ui, sans-serif;
  --hydracept-font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --hydracept-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --hydracept-max: 1120px;
  --hydracept-gutter: clamp(1.25rem, 4vw, 2.5rem);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 4.5rem; }
body {
  margin: 0;
  min-height: 100svh;
  overflow-x: hidden;
  font-family: var(--hydracept-font);
  background: var(--hydracept-bg);
  color: var(--hydracept-text);
  line-height: 1.6;
  font-weight: 400;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a {
  color: var(--hydracept-accent);
  transition: color 0.2s var(--hydracept-ease);
}
a:hover { color: var(--hydracept-accent-strong); }
a:focus-visible, .btn:focus-visible, .site-nav a:focus-visible {
  outline: 2px solid var(--hydracept-accent);
  outline-offset: 3px;
}
.shell {
  width: min(var(--hydracept-max), 100%);
  margin-inline: auto;
  padding-inline: var(--hydracept-gutter);
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--hydracept-bg) 88%, transparent);
  backdrop-filter: blur(12px) saturate(1.15);
  border-bottom: 1px solid var(--hydracept-border);
}
.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 3.5rem;
  gap: 1rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--hydracept-text);
  text-decoration: none;
}
.brand-mark, .footer-mark {
  width: 1.9rem;
  height: 1.9rem;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
  padding: 0.3rem;
  background: #f4f7fb;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 5px;
}
.footer-mark { width: 1.65rem; height: 1.65rem; padding: 0.26rem; }
.brand-name {
  font-family: var(--hydracept-font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
}
.site-nav {
  display: flex;
  flex: 1;
  min-width: 0;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(0.75rem, 2vw, 1.4rem);
  overflow-x: auto;
  scrollbar-width: none;
}
.site-nav::-webkit-scrollbar { display: none; }
.site-nav a {
  text-decoration: none;
  color: var(--hydracept-muted);
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
}
.site-nav a:hover { color: var(--hydracept-text); }
.site-nav .btn { margin-left: 0.25rem; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #f4f7fb;
  color: #07101a;
  padding: 0.72rem 1.2rem;
  border-radius: var(--hydracept-radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.01em;
  border: 1px solid #f4f7fb;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
  transition:
    background 0.2s var(--hydracept-ease),
    border-color 0.2s var(--hydracept-ease),
    color 0.2s var(--hydracept-ease);
}
.btn:hover {
  background: #ffffff;
  border-color: #ffffff;
  color: #07101a;
}
.btn-small { padding: 0.42rem 0.9rem; font-size: 0.82rem; }
.layout {
  display: grid;
  grid-template-columns: 14rem minmax(0, 1fr);
  gap: 2rem;
  padding: 2rem 0 4rem;
}
@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
  .docs-nav { position: static; }
}
@media (max-width: 640px) {
  .brand-name { display: none; }
  .site-nav a:not(.btn) { font-size: 0.8rem; }
}
.docs-nav {
  position: sticky;
  top: 4.25rem;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 0.9rem;
}
.docs-nav a {
  color: var(--hydracept-muted);
  text-decoration: none;
  padding: 0.4rem 0.55rem;
  border-radius: var(--hydracept-radius);
}
.docs-nav a:hover,
.docs-nav a[aria-current="page"] {
  color: var(--hydracept-text);
  background: rgba(255,255,255,0.04);
}
.docs-main { min-width: 0; max-width: 46rem; }
.docs-main h1 {
  font-family: var(--hydracept-font-display);
  font-size: clamp(1.9rem, 3.4vw, 2.5rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 0 0 1rem;
}
.docs-main h2 {
  margin-top: 2rem;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}
.docs-main h3 { margin-top: 1.5rem; font-size: 1.05rem; }
.docs-main p, .docs-main li { color: var(--hydracept-text); }
.docs-main p { color: var(--hydracept-navy-mid, #9fb0c8); }
.docs-main p { color: var(--hydracept-muted); }
.docs-main li { color: var(--hydracept-text); }
.docs-main code, .docs-main pre {
  font-family: var(--hydracept-font-mono);
  font-size: 0.88em;
}
.docs-main :not(pre) > code {
  background: rgba(255,255,255,0.06);
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
}
.docs-main pre {
  background: var(--hydracept-surface-raised);
  border: 1px solid var(--hydracept-border);
  border-radius: var(--hydracept-radius);
  padding: 1rem 1.1rem;
  overflow-x: auto;
}
.docs-main table { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: 0.95rem; }
.docs-main th, .docs-main td {
  border: 1px solid var(--hydracept-border);
  padding: 0.55rem 0.7rem;
  text-align: left;
}
.docs-main th { background: rgba(255,255,255,0.04); }
.site-footer {
  border-top: 1px solid var(--hydracept-border);
  background: var(--hydracept-bg-deep);
}
.footer-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.25rem 2rem;
  padding-block: 1.5rem 2rem;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--hydracept-font-display);
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: -0.01em;
  color: var(--hydracept-text);
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  justify-content: center;
}
.footer-links a {
  text-decoration: none;
  color: var(--hydracept-muted);
  font-size: 0.86rem;
}
.footer-links a:hover { color: var(--hydracept-accent); }
.footer-copy {
  margin: 0;
  color: var(--hydracept-muted);
  font-size: 0.82rem;
  justify-self: end;
}
@media (max-width: 800px) {
  .footer-inner { grid-template-columns: 1fr; justify-items: start; }
  .footer-links { justify-content: start; }
  .footer-copy { justify-self: start; }
}