@font-face {
  font-family: "Source Sans 3";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("../font/source-sans-3-latin.woff2") format("woff2");
}

@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 500 600;
  font-display: swap;
  src: url("../font/space-grotesk-latin.woff2") format("woff2");
}

:root {
  --brand-ink: #0b1f2a;
  --brand-slate: #1f2d33;
  --brand-accent: #0e6f7a;
  --brand-accent-strong: #0b4f6c;
  --brand-warm: #f7f1e8;
  --brand-mist: #eef3f5;
  --surface: #ffffff;
  --surface-raised: #fdfcfb;
  --border-soft: #dde5ea;
  --shadow-soft: 0 12px 30px rgba(14, 19, 23, 0.12);
  --shadow-card: 0 8px 20px rgba(13, 17, 21, 0.08);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

html {
  scroll-behavior: smooth;
}

body {
  background: radial-gradient(1200px 600px at 10% -10%, rgba(14, 111, 122, 0.18), transparent 60%),
    radial-gradient(800px 500px at 90% 0%, rgba(247, 241, 232, 0.9), transparent 55%),
    linear-gradient(180deg, var(--brand-mist) 0%, #ffffff 35%, #ffffff 100%);
  color: var(--brand-ink);
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  letter-spacing: 0.01em;
  line-height: 1.7;
}

.navbar {
  background: linear-gradient(120deg, #0b1f2a 0%, #0f2b33 55%, #123540 100%);
  box-shadow: 0 8px 22px rgba(7, 11, 14, 0.35);
}

.navbar-brand .navbar-item:first-child {
  font-family: "Space Grotesk", "Source Sans 3", sans-serif;
  font-weight: 600;
  letter-spacing: 0.02em;
}

#search-input {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  padding: 0.35em 0.75em;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

#search-input:focus {
  border-color: rgba(255, 255, 255, 0.45);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.2);
}

.nav {
  background: var(--surface-raised);
  border-right: 1px solid var(--border-soft);
  animation: fade-in 0.6s ease both;
}

.nav-menu {
  padding: 0.85rem 1rem 1.5rem;
}

.nav-menu h3.title {
  font-family: "Space Grotesk", "Source Sans 3", sans-serif;
  font-weight: 600;
  color: var(--brand-slate);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
}

.nav-link,
.nav-text {
  border-radius: 8px;
  padding: 0.25rem 0.4rem;
  display: inline-block;
}

.nav-item.is-active > .nav-link,
.nav-item.is-active > .nav-text,
.is-current-page > .nav-link,
.is-current-page > .nav-text {
  background: rgba(14, 111, 122, 0.12);
  color: var(--brand-accent-strong);
}

.nav-item > .nav-link:hover,
.nav-item > .nav-text:hover {
  background: rgba(14, 111, 122, 0.08);
  color: var(--brand-accent-strong);
  text-decoration: none;
}

.toolbar {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border-soft);
}

.doc {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: 2rem 2.5rem 4rem;
  margin-top: 1.5rem;
  margin-bottom: 2rem;
  max-width: 54rem;
  animation: rise-in 0.6s ease both;
}

@media screen and (max-width: 1023.5px) {
  .doc {
    border-radius: var(--radius-md);
    padding: 1.5rem 1.25rem 3rem;
    margin: 0.75rem 0.75rem 2rem;
  }
}

.doc h1,
.doc h2,
.doc h3,
.doc h4,
.doc h5,
.doc h6 {
  font-family: "Space Grotesk", "Source Sans 3", sans-serif;
  color: var(--brand-ink);
  font-weight: 600;
}

.doc > h1.page:first-child {
  font-size: 2.4rem;
  letter-spacing: -0.01em;
}

.doc h2:not(.discrete) {
  border-bottom: 1px solid var(--border-soft);
  padding-bottom: 0.35rem;
}

.doc a {
  color: var(--brand-accent-strong);
  text-decoration: none;
}

.doc a:hover {
  color: #083445;
  text-decoration: underline;
}

.doc .paragraph.lead > p {
  font-size: 1.05rem;
  color: var(--brand-slate);
}

.doc pre,
.doc .listingblock pre:not(.highlight),
.doc .literalblock pre,
.doc pre.highlight > code {
  background: #0f172a;
  color: #f8fafc;
  border-radius: var(--radius-sm);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.doc .source-toolbox {
  color: rgba(255, 255, 255, 0.7);
}

.doc .source-toolbox img.copy-icon {
  filter: invert(100%);
}

.doc table.tableblock {
  background: var(--surface);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.doc table.tableblock th {
  background: #f2f6f8;
  color: var(--brand-slate);
  font-weight: 600;
}

.doc table.stripes-all > tbody > tr:nth-of-type(odd),
.doc table.stripes-even > tbody > tr:nth-of-type(even) {
  background: #f9fbfc;
}

.doc .admonitionblock td.content {
  background: #f7fafb;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
}

.doc .admonitionblock td.icon i {
  border-radius: 999px;
  letter-spacing: 0.06em;
}

.doc .sidebarblock {
  background: #f4f0e9;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.toc.sidebar .toc-menu {
  background: rgba(255, 255, 255, 0.92);
  border-radius: var(--radius-md);
  padding: 0.75rem 0.5rem 0.85rem;
  box-shadow: var(--shadow-card);
  animation: fade-in 0.6s ease both;
}

.toc .toc-menu a {
  border-left-color: rgba(14, 111, 122, 0.25);
}

.toc .toc-menu a.is-active {
  border-left-color: var(--brand-accent-strong);
  color: var(--brand-ink);
}

nav.pagination {
  border-top: 1px solid var(--border-soft);
  padding-top: 1.25rem;
}

nav.pagination a {
  color: var(--brand-accent-strong);
}

footer.footer {
  background: #0b1f2a;
  color: #e3edf1;
}

footer.footer a {
  color: #d6f2f6;
}