/* =========================================================================
   ResDAG — "precision instrument"
   -------------------------------------------------------------------------
   Developer-tool aesthetic: geometric sans display (Outfit), monospace for
   structural labels (kickers, tabs, buttons, captions), neutral fields,
   one emerald accent, hairline borders, soft layered shadows.
   All colors and fonts come from docs/_tooling/theme.json — edit there and
   run `uv run python docs/_tooling/apply_theme.py`.
   ========================================================================= */

@import url("https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Figtree:ital,wght@0,300..700;1,300..700&family=IBM+Plex+Mono:ital,wght@0,400;0,500;0,600;1,400&display=swap");

/* ===== TOKENS — generated from docs/_tooling/theme.json; edit there ===== */

:root {
  --nb-display: "Outfit", sans-serif;
  --nb-body: "Figtree", -apple-system, sans-serif;
  --nb-mono: "IBM Plex Mono", ui-monospace, monospace;
}

[data-md-color-scheme="default"] {
  --nb-paper: #f2f5fa;
  --nb-surface: #fafcfe;
  --nb-ink: #22293a;
  --nb-ink-soft: #49586f;
  --nb-muted: #76859c;
  --nb-rule: #dde4ee;
  --nb-rule-strong: #c4cfe0;
  --nb-accent: #2a63d4;
  --nb-accent-strong: #1d4ca8;
  --nb-accent-wash: #2a63d414;
  --nb-code-bg: #e9eef7;
  --nb-data-true: #b06a18;

  --md-default-bg-color: #f2f5fa;
  --md-default-fg-color: #22293a;
  --md-default-fg-color--light: #49586f;
  --md-default-fg-color--lighter: #76859c;
  --md-typeset-color: #22293a;
  --md-typeset-a-color: #2a63d4;
  --md-accent-fg-color: #2a63d4;
  --md-primary-fg-color: #151b2a;
  --md-primary-bg-color: #f2f4f2;
  --md-footer-bg-color: #151b2a;
  --md-footer-bg-color--dark: #151b2a;

  --md-code-bg-color: #e9eef7;
  --md-code-fg-color: #24292f;
  --md-code-hl-keyword-color: #cf222e;
  --md-code-hl-string-color: #0a3069;
  --md-code-hl-number-color: #0550ae;
  --md-code-hl-function-color: #8250df;
  --md-code-hl-constant-color: #0550ae;
  --md-code-hl-name-color: #24292f;
  --md-code-hl-operator-color: #cf222e;
  --md-code-hl-punctuation-color: #57606a;
  --md-code-hl-comment-color: #6e7781;
  --md-code-hl-special-color: #953800;
  --md-code-hl-variable-color: #953800;
  --md-code-hl-generic-color: #24292f;
  --md-code-hl-color: #2a63d414;
}

[data-md-color-scheme="slate"] {
  --nb-paper: #141821;
  --nb-surface: #1c212c;
  --nb-ink: #d6deea;
  --nb-ink-soft: #a4b1c4;
  --nb-muted: #75839b;
  --nb-rule: #2a3240;
  --nb-rule-strong: #3c4859;
  --nb-accent: #7da9ef;
  --nb-accent-strong: #a3c2f6;
  --nb-accent-wash: #7da9ef14;
  --nb-code-bg: #171c27;
  --nb-data-true: #dfa260;

  --md-default-bg-color: #141821;
  --md-default-fg-color: #d6deea;
  --md-default-fg-color--light: #a4b1c4;
  --md-default-fg-color--lighter: #75839b;
  --md-typeset-color: #d6deea;
  --md-typeset-a-color: #7da9ef;
  --md-accent-fg-color: #7da9ef;
  --md-primary-fg-color: #10141c;
  --md-primary-bg-color: #f2f4f2;
  --md-footer-bg-color: #10141c;
  --md-footer-bg-color--dark: #10141c;

  --md-code-bg-color: #161b26;
  --md-code-fg-color: #c9d3e0;
  --md-code-hl-keyword-color: #ff7b72;
  --md-code-hl-string-color: #a5d6ff;
  --md-code-hl-number-color: #79c0ff;
  --md-code-hl-function-color: #d2a8ff;
  --md-code-hl-constant-color: #79c0ff;
  --md-code-hl-name-color: #e6edf3;
  --md-code-hl-operator-color: #ff7b72;
  --md-code-hl-punctuation-color: #8b949e;
  --md-code-hl-comment-color: #8b949e;
  --md-code-hl-special-color: #ffa657;
  --md-code-hl-variable-color: #ffa657;
  --md-code-hl-generic-color: #c9d3e0;
  --md-code-hl-color: #7da9ef14;
}

/* ===== /TOKENS ===== */

:root {
  --nb-radius: 8px;
  --nb-radius-sm: 6px;
  --nb-shadow:
    0 1px 2px rgba(10, 14, 12, 0.05),
    0 8px 24px rgba(10, 14, 12, 0.05);
}

[data-md-color-scheme="slate"] {
  --nb-shadow:
    0 1px 2px rgba(0, 0, 0, 0.5),
    0 8px 24px rgba(0, 0, 0, 0.35);
}

/* =========================================================================
   Header & navigation — mono tabs, quiet bar
   ========================================================================= */
.md-header {
  background: var(--md-primary-fg-color);
  box-shadow: none;
  border-bottom: 1px solid var(--nb-rule);
}

.md-header__topic .md-ellipsis {
  font-family: var(--nb-display);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.md-tabs {
  background: var(--md-primary-fg-color);
  border-bottom: 1px solid var(--nb-rule);
}

.md-tabs__link {
  font-family: var(--nb-mono);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.72;
}

.md-tabs__link--active {
  opacity: 1;
  color: var(--nb-accent-strong);
  font-weight: 600;
}

[data-md-color-scheme="default"] .md-tabs__link--active { color: #5fd8b0; }

.md-nav__title { font-family: var(--nb-body); letter-spacing: 0.04em; }

.md-nav__link--active {
  color: var(--nb-accent) !important;
  font-weight: 700;
}

/* =========================================================================
   Typeset
   ========================================================================= */
.md-typeset {
  font-family: var(--nb-body);
  font-size: 0.78rem;
  line-height: 1.7;
}

.md-typeset h1 {
  font-family: var(--nb-display);
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.1;
  color: var(--nb-ink);
  margin-bottom: 0.9em;
}

.md-typeset h2 {
  font-family: var(--nb-display);
  font-size: 1.35rem;
  font-weight: 650;
  letter-spacing: -0.015em;
  color: var(--nb-ink);
  margin-top: 2.4em;
}

.md-typeset h3 {
  font-family: var(--nb-display);
  font-size: 1.02rem;
  font-weight: 600;
}

.md-typeset a {
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--nb-accent) 40%, transparent);
  transition: border-color 0.12s ease, color 0.12s ease;
}

.md-typeset a:hover {
  color: var(--nb-accent-strong);
  border-bottom-color: var(--nb-accent);
}

/* Kicker — mono section label above page titles */
.nb-kicker {
  display: block;
  font-family: var(--nb-mono);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--nb-accent);
  margin-bottom: 0.5rem;
}

/* The signal line — waveform divider */
.md-typeset hr {
  border: none;
  height: 12px;
  margin: 2.6em auto;
  max-width: 14rem;
  background-color: transparent;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='224' height='12' viewBox='0 0 224 12'%3E%3Cpath d='M0 6 C 7 6 9 2 14 2 S 21 10 28 10 35 2 42 2 49 10 56 10 63 6 70 6 77 6 84 6 91 1 98 1 105 11 112 11 119 1 126 1 133 11 140 11 147 6 154 6 161 6 168 6 175 3 182 3 189 9 196 9 203 3 210 3 217 6 224 6' fill='none' stroke='%232a63d4' stroke-opacity='0.5' stroke-width='1.4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

/* =========================================================================
   Code — scheme-adaptive highlighting via Material's token variables
   ========================================================================= */
.md-typeset code {
  font-family: var(--nb-mono);
  font-size: 0.85em;
  border-radius: var(--nb-radius-sm);
  background: var(--nb-code-bg);
  padding: 0.1em 0.35em;
}

.md-typeset pre > code {
  padding: 0.95em 1.15em;
  line-height: 1.65;
}

.md-typeset .highlight {
  border: 1px solid var(--nb-rule);
  border-radius: var(--nb-radius);
  overflow: hidden;
}

/* Named specimen: <div class="nb-specimen" data-label="..."> around a fence */
.nb-specimen { margin: 1.4em 0; }

.nb-specimen::before {
  content: attr(data-label);
  display: inline-block;
  font-family: var(--nb-mono);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--nb-muted);
  border: 1px solid var(--nb-rule);
  border-bottom: none;
  border-radius: var(--nb-radius-sm) var(--nb-radius-sm) 0 0;
  padding: 0.3em 0.8em;
  background: var(--nb-surface);
}

.nb-specimen .highlight { margin-top: 0; border-top-left-radius: 0; }

/* =========================================================================
   Admonitions — quiet panels
   ========================================================================= */
.md-typeset .admonition,
.md-typeset details {
  border: 1px solid var(--nb-rule);
  border-left: 3px solid var(--nb-rule-strong);
  border-radius: var(--nb-radius-sm);
  background: var(--nb-surface);
  box-shadow: none;
  font-size: 0.74rem;
  color: var(--nb-ink-soft);
}

.md-typeset .admonition-title,
.md-typeset summary {
  background: transparent !important;
  font-family: var(--nb-mono);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--nb-ink);
}

.md-typeset .admonition-title::before,
.md-typeset summary::before { display: none; }

.md-typeset .admonition.warning,
.md-typeset .admonition.danger { border-left-color: var(--nb-accent); }

/* =========================================================================
   Tables
   ========================================================================= */
.md-typeset table:not([class]) {
  border: 1px solid var(--nb-rule);
  border-radius: var(--nb-radius-sm);
  overflow: hidden;
  box-shadow: none;
  font-size: 0.72rem;
  background: var(--nb-surface);
}

.md-typeset table:not([class]) th {
  font-family: var(--nb-mono);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--nb-code-bg);
  color: var(--nb-ink-soft);
  border-bottom: 1px solid var(--nb-rule-strong);
}

.md-typeset table:not([class]) td { border-top: 1px solid var(--nb-rule); }

/* =========================================================================
   Cards — flat surfaces, hairline border, soft shadow
   ========================================================================= */
.md-typeset .grid.cards > ol > li,
.md-typeset .grid.cards > ul > li {
  border: 1px solid var(--nb-rule);
  border-radius: var(--nb-radius);
  background: var(--nb-surface);
  box-shadow: var(--nb-shadow);
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.md-typeset .grid.cards > ol > li:hover,
.md-typeset .grid.cards > ul > li:hover {
  border-color: var(--nb-accent);
  transform: translateY(-2px);
}

.md-typeset .grid.cards > ul > li > hr {
  background: none;
  height: 1px;
  max-width: none;
  margin: 0.7em 0;
  border-bottom: 1px solid var(--nb-rule);
}

.md-typeset .grid.cards strong { font-family: var(--nb-display); font-weight: 650; }

/* =========================================================================
   Buttons — flat, mono label, accent primary
   ========================================================================= */
.md-typeset .md-button {
  font-family: var(--nb-mono);
  font-weight: 500;
  font-size: 0.64rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  border: 1px solid var(--nb-rule-strong);
  border-radius: var(--nb-radius-sm);
  color: var(--nb-ink);
  background: var(--nb-surface);
  box-shadow: none;
  transition: border-color 0.12s ease, background 0.12s ease, transform 0.12s ease;
}

.md-typeset .md-button--primary {
  background: var(--nb-accent);
  border-color: var(--nb-accent);
  color: #ffffff !important;
}

[data-md-color-scheme="slate"] .md-typeset .md-button--primary {
  color: #07120d !important;
}

.md-typeset .md-button:hover {
  border-color: var(--nb-accent);
  color: var(--nb-accent-strong);
  transform: translateY(-1px);
}

.md-typeset .md-button--primary:hover {
  background: var(--nb-accent-strong);
  border-color: var(--nb-accent-strong);
  color: #ffffff !important;
}

[data-md-color-scheme="slate"] .md-typeset .md-button--primary:hover {
  color: #07120d !important;
}

/* =========================================================================
   Math, figures, legends
   ========================================================================= */
.md-typeset .katex-display {
  padding: 1rem 1.2rem;
  border: 1px solid var(--nb-rule);
  border-radius: var(--nb-radius-sm);
  background: var(--nb-surface);
  overflow-x: auto;
}

.md-typeset figure {
  border: 1px solid var(--nb-rule);
  border-radius: var(--nb-radius);
  background: var(--nb-surface);
  padding: 0.7rem;
}

.md-typeset figcaption {
  font-family: var(--nb-mono);
  font-size: 0.6rem;
  font-style: normal;
  color: var(--nb-muted);
  max-width: none;
}

.nb-legend .nb-leg-true i { background: var(--nb-data-true); }

/* API reference headings */
.md-typeset .doc-heading { font-family: var(--nb-mono); letter-spacing: 0; }

/* Footer */
.md-footer-meta { border-top: 1px solid var(--nb-rule); }