:root,
body {
  --font-stack: "Satoshi", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-stack--monospace: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --ix-radius: 16px;
  --ix-radius-sm: 10px;
  --content-padding: 1.5rem;
}

/* Base */
html { scroll-behavior: smooth; }
/* on body, not html, since Furo defines the vars on body and they do not inherit upward */
body {
  background: var(--ix-bg);
  font-feature-settings: "ss01" 1, "cv01" 1;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.page, .main, .content, article { background: transparent; }

::selection { background: var(--ix-selection-bg); color: var(--ix-selection-fg); }

/* Typography */
h1, h2, h3, h4, h5, h6,
.sidebar-brand {
  font-family: var(--font-stack);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
h1 {
  font-size: clamp(2rem, 1.5rem + 1.8vw, 2.9rem);
  letter-spacing: -0.03em;
  margin-bottom: 1.2rem;
  color: var(--ix-text);
}
h2 { font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem); margin-top: 2.6rem; }
h3 { font-size: 1.3rem; margin-top: 1.8rem; }

a.headerlink {
  font-size: 0.7em;
  font-weight: 400;
  color: var(--ix-muted-2);
  opacity: 0;
  padding-left: 0.4em;
  transition: opacity 0.2s, color 0.2s;
  -webkit-text-fill-color: var(--ix-muted-2);
}
h1:hover a.headerlink, h2:hover a.headerlink, h3:hover a.headerlink,
h4:hover a.headerlink, h5:hover a.headerlink, h6:hover a.headerlink { opacity: 1; }
a.headerlink:hover { color: var(--ix-ice); -webkit-text-fill-color: var(--ix-ice); }

article a:not(.headerlink) {
  text-decoration: none;
  background-image: linear-gradient(var(--ix-ice), var(--ix-ice));
  background-size: 0% 1.5px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size 0.25s ease, color 0.2s;
}
article a:not(.headerlink):hover {
  color: var(--ix-ice-bright);
  background-size: 100% 1.5px;
}

/* Brand */
.ix-brand__text { display: flex; flex-direction: column; line-height: 1.05; }
.ix-brand__word {
  font-family: var(--font-stack);
  font-weight: 700;
  font-size: 1.32rem;
  letter-spacing: -0.02em;
  color: var(--ix-text);
}
.ix-brand__two { color: var(--ix-ice); }
.ix-brand__tag {
  font-family: var(--font-stack--monospace);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ix-muted-2);
  margin-top: 0.25rem;
}

/* Sidebars */
.sidebar-drawer {
  background: var(--ix-drawer-bg);
  border-right: 1px solid var(--ix-line);
  backdrop-filter: blur(8px);
}

.sidebar-search-container { border-bottom: none; }
input.sidebar-search {
  background: var(--ix-surface);
  border: 1px solid var(--ix-line);
  border-radius: 999px;
  padding: 0.55rem 0.9rem 0.55rem 2.4rem;
  font-family: var(--font-stack);
  transition: border-color 0.2s, box-shadow 0.2s;
}
input.sidebar-search:focus {
  outline: none;
  border-color: var(--ix-ice);
  box-shadow: 0 0 0 3px rgba(45, 212, 232, 0.18);
}
.sidebar-search-container::before { opacity: 0.6; }

.sidebar-tree .caption {
  font-family: var(--font-stack--monospace);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ix-muted-2);
}
.sidebar-tree .reference {
  border-radius: var(--ix-radius-sm);
  transition: color 0.2s, background 0.2s;
}
.sidebar-tree .reference:hover { color: var(--ix-text); }
.sidebar-tree .current-page > .reference {
  font-weight: 600;
  color: var(--ix-ice);
}
.sidebar-tree .current-page > .reference::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 3px; height: 1.1em;
  border-radius: 2px;
  background: var(--ix-ice);
  box-shadow: 0 0 8px var(--ix-ice);
}
.sidebar-tree .reference { position: relative; }

.toctree-checkbox ~ label .icon { color: var(--ix-muted-2); }

.toc-title {
  font-family: var(--font-stack--monospace);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ix-muted-2);
}
.toc-tree li.scroll-current > .reference {
  color: var(--ix-ice);
  font-weight: 600;
}
.toc-tree { border-left: 1px solid var(--ix-line); }

/* Theme toggle and mobile header */
.theme-toggle { color: var(--ix-muted); transition: color 0.2s; }
.theme-toggle:hover { color: var(--ix-ice); }
/* theme-transitions.js sets this class while the theme is switched */
html.ix-theme-switching,
html.ix-theme-switching *,
html.ix-theme-switching *::before,
html.ix-theme-switching *::after { transition: none !important; }
.mobile-header {
  background: var(--ix-header-bg);
  border-bottom: 1px solid var(--ix-line);
  backdrop-filter: blur(14px) saturate(140%);
}

/* Code blocks */
.highlight {
  border-radius: var(--ix-radius-sm);
  border: 1px solid var(--ix-line);
  box-shadow: var(--ix-shadow);
  /* important beats Furo's Pygments rules */
  background: var(--ix-code-bg) !important;
}
.highlight .hll { background-color: var(--ix-code-hl) !important; }
.highlight pre {
  font-family: var(--font-stack--monospace);
  font-size: 0.86rem;
  line-height: 1.7;
  padding: 1.1rem 1.25rem;
  /* no ligatures, code renders as typed */
  font-variant-ligatures: none;
  font-feature-settings: "liga" 0, "calt" 0;
}
code.literal, .rst-content code:not(.xref) {
  font-family: var(--font-stack--monospace);
  font-variant-ligatures: none;
  font-feature-settings: "liga" 0, "calt" 0;
  font-size: 0.86em;
  border-radius: 6px;
  border: 1px solid var(--ix-line);
  background: var(--ix-surface-2);
  padding: 0.12em 0.4em;
}
.highlight button.copybtn { border-radius: 7px; }

a.headerlink {
  font-size: 0;                 /* the "#" glyph is hidden, the icon is drawn via ::after */
  margin-left: 0.45rem;
  vertical-align: middle;
  line-height: 0;
  text-decoration: none;
}
a.headerlink::after {
  content: "";
  display: inline-block;
  width: 1rem;
  height: 1rem;
  background-color: var(--ix-ice);
  -webkit-mask: url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%2024%2024'%20fill='none'%20stroke='black'%20stroke-width='2.25'%20stroke-linecap='round'%20stroke-linejoin='round'%3E%3Cpath%20d='M10%2013a5%205%200%200%200%207.54.54l3-3a5%205%200%200%200-7.07-7.07l-1.72%201.71'/%3E%3Cpath%20d='M14%2011a5%205%200%200%200-7.54-.54l-3%203a5%205%200%200%200%207.07%207.07l1.71-1.71'/%3E%3C/svg%3E") center / contain no-repeat;
          mask: url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%2024%2024'%20fill='none'%20stroke='black'%20stroke-width='2.25'%20stroke-linecap='round'%20stroke-linejoin='round'%3E%3Cpath%20d='M10%2013a5%205%200%200%200%207.54.54l3-3a5%205%200%200%200-7.07-7.07l-1.72%201.71'/%3E%3Cpath%20d='M14%2011a5%205%200%200%200-7.54-.54l-3%203a5%205%200%200%200%207.07%207.07l1.71-1.71'/%3E%3C/svg%3E") center / contain no-repeat;
}

/* replaces Furo's Pygments token colors with the --ix-* palette */
.highlight .c, .highlight .ch, .highlight .cm, .highlight .c1, .highlight .cs,
.highlight .cp, .highlight .cpf { color: var(--ix-muted-2) !important; font-style: italic; }
.highlight .k, .highlight .kc, .highlight .kd, .highlight .kn, .highlight .kp,
.highlight .kr, .highlight .ow, .highlight .nt { color: var(--ix-blue) !important; }
.highlight .kt, .highlight .nc, .highlight .nn, .highlight .nb, .highlight .bp,
.highlight .no, .highlight .ne { color: var(--ix-ice) !important; }
.highlight .nf, .highlight .fm, .highlight .nd { color: var(--ix-ice-bright) !important; }
.highlight .s, .highlight .sa, .highlight .sb, .highlight .sc, .highlight .dl,
.highlight .sd, .highlight .s2, .highlight .se, .highlight .sh, .highlight .si,
.highlight .sx, .highlight .sr, .highlight .s1, .highlight .ss { color: var(--ix-mint) !important; }
.highlight .m, .highlight .mb, .highlight .mf, .highlight .mh, .highlight .mi,
.highlight .mo, .highlight .il, .highlight .l, .highlight .ld { color: var(--ix-blue) !important; }
.highlight .o, .highlight .p, .highlight .na, .highlight .nv, .highlight .vc,
.highlight .vg, .highlight .vi, .highlight .nl, .highlight .py,
.highlight .w { color: var(--color-code-foreground) !important; }
.highlight .gp { color: var(--ix-muted-2) !important; }
.highlight .err { color: #ff6b6b !important; background: none !important; }

/* Admonitions */
/* important is required, Furo's per-type admonition rules outweigh these */
.admonition, div.admonition {
  --ix-callout: var(--ix-ice);
  --ix-callout-bg: rgba(45, 212, 232, 0.06);
  border: 1px solid var(--ix-line) !important;
  border-left: 3px solid var(--ix-callout) !important;
  border-radius: 8px;
  background: var(--ix-callout-bg) !important;
  box-shadow: none;
  overflow: hidden;
}
.admonition > .admonition-title {
  background: transparent !important;
  font-family: var(--font-stack);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ix-callout) !important;
}
/* Furo renders the icon as a masked ::before */
.admonition > .admonition-title::before { background-color: var(--ix-callout) !important; }

.admonition.note, .admonition.seealso {
  --ix-callout: var(--ix-ice); --ix-callout-bg: rgba(45, 212, 232, 0.06);
}
.admonition.important, .admonition.attention {
  --ix-callout: var(--ix-blue); --ix-callout-bg: rgba(91, 141, 239, 0.06);
}
.admonition.tip, .admonition.hint {
  --ix-callout: var(--ix-mint); --ix-callout-bg: rgba(111, 240, 199, 0.06);
}
.admonition.warning, .admonition.caution {
  --ix-callout: #e0a13a; --ix-callout-bg: rgba(224, 161, 58, 0.07);
}
.admonition.danger, .admonition.error {
  --ix-callout: #ff6b6b; --ix-callout-bg: rgba(255, 107, 107, 0.07);
}

/* Figures and images */
figure img, .figure img, img.align-center {
  border-radius: var(--ix-radius-sm);
}
figcaption, .caption-text {
  color: var(--ix-muted);
  font-size: 0.9rem;
}
/* soft panel behind SVG diagrams in dark mode, the vars collapse to none in light */
.content img[src$=".svg"] {
  background: var(--ix-svg-panel);
  border-radius: var(--ix-radius-sm);
  padding: var(--ix-svg-pad);
}

/* Tables */
table.docutils {
  border-radius: var(--ix-radius-sm);
  overflow: hidden;
  border: 1px solid var(--ix-line);
  border-collapse: separate;
  border-spacing: 0;
}
table.docutils thead th {
  background: var(--ix-surface-2);
  font-family: var(--font-stack--monospace);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ix-muted);
  border-bottom: 1px solid var(--ix-line);
}
table.docutils td, table.docutils th { border-color: var(--ix-line); }

/* Misc */
.bg-grid, .related-pages a { transition: color 0.2s; }
.prev-next-area a.left-next:hover,
.prev-next-area a.right-next:hover { border-color: rgba(45, 212, 232, 0.4); }
.prev-next-area .page-info .title { color: var(--ix-text); }

blockquote {
  border-left: 3px solid var(--ix-ice);
  background: var(--ix-surface);
  border-radius: 0 var(--ix-radius-sm) var(--ix-radius-sm) 0;
  padding: 0.6rem 1.1rem;
}

:focus-visible { outline: 2px solid var(--ix-ice); outline-offset: 3px; border-radius: 4px; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* Print */
@media print {
  body {
    --ix-bg: #ffffff !important;
    --ix-bg-2: #eef3f9 !important;
    --ix-surface: #ffffff !important;
    --ix-surface-2: #f2f6fb !important;
    --ix-line: rgba(15, 55, 90, 0.22) !important;
    --ix-ice: #0a7385 !important;
    --ix-blue: #2f59bf !important;
    --ix-mint: #0b8a66 !important;
    --ix-text: #0c1825 !important;
    --ix-muted: #33485a !important;
    --ix-muted-2: #56697b !important;
    --ix-code-bg: #f1f5f9 !important;
    --color-background-primary: #ffffff !important;
    --color-background-secondary: #ffffff !important;
    --color-foreground-primary: #0c1825 !important;
    --color-foreground-secondary: #33485a !important;
    --color-code-background: #f1f5f9 !important;
    --color-code-foreground: #1f3346 !important;
    background: #ffffff !important;
    color: #0c1825 !important;
  }

  .sidebar-drawer,
  .toc-drawer,
  .mobile-header,
  .content-icon-container,
  .back-to-top,
  .related-pages,
  .copybtn,
  a.headerlink { display: none !important; }

  .page, .main { display: block !important; }
  .content {
    max-width: 100% !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  *, *::before, *::after { box-shadow: none !important; text-shadow: none !important; }

  /* otherwise backgrounds and borders drop to white in print */
  .highlight, .admonition {
    -webkit-print-color-adjust: exact;
            print-color-adjust: exact;
  }

  figure, pre, table, .admonition { break-inside: avoid; }
  h1, h2, h3, h4 { break-after: avoid; }

  * { animation: none !important; }
}