/* ============================================================================
 *  Agentic Architectures — dark-only modern aesthetic
 *
 *  Single signature gradient (cyan → indigo → violet → magenta).
 *  Variable typography (Inter + JetBrains Mono).
 *  Bento via auto-fit minmax — bulletproof at any container width.
 * ========================================================================== */

@import url("https://rsms.me/inter/inter.css");
@import url("https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&display=swap");

:root,
[data-md-color-scheme="slate"],
[data-md-color-scheme="default"] {
  --md-text-font: "Inter var", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --md-code-font: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;

  /* Signature gradient */
  --aa-gradient:
    linear-gradient(135deg,
      #06b6d4 0%,
      #6366f1 35%,
      #a855f7 65%,
      #ec4899 100%);

  --aa-gradient-soft:
    linear-gradient(135deg,
      rgba(6, 182, 212, 0.10) 0%,
      rgba(99, 102, 241, 0.10) 35%,
      rgba(168, 85, 247, 0.10) 65%,
      rgba(236, 72, 153, 0.10) 100%);

  --aa-glow:
    radial-gradient(ellipse 70% 50% at 50% 0%,
      rgba(99, 102, 241, 0.25),
      transparent 70%);

  --aa-radius: 14px;
  --aa-radius-sm: 8px;

  /* Force dark palette tokens regardless of scheme */
  --md-default-bg-color:                #07070d;
  --md-default-bg-color--light:         #0e0e16;
  --md-default-bg-color--lighter:       #14141d;
  --md-default-fg-color:                #fafafa;
  --md-default-fg-color--light:         #d4d4d8;
  --md-default-fg-color--lighter:       #a1a1aa;
  --md-default-fg-color--lightest:      #3f3f46;

  --md-primary-fg-color:                #fafafa;
  --md-primary-bg-color:                #07070d;

  --md-accent-fg-color:                 #a78bfa;
  --md-accent-fg-color--transparent:    rgba(167, 139, 250, 0.14);

  --md-typeset-a-color:                 #a78bfa;
  --md-code-bg-color:                   #14141d;
  --md-code-fg-color:                   #ededed;

  --md-footer-bg-color:                 #07070d;
  --md-footer-bg-color--dark:           #050509;
  --md-footer-fg-color:                 #a1a1aa;
  --md-footer-fg-color--light:          #d4d4d8;

  --aa-border:                          rgba(255, 255, 255, 0.08);
  --aa-border-strong:                   rgba(255, 255, 255, 0.18);
  --aa-card-bg:                         rgba(255, 255, 255, 0.025);
  --aa-card-border:                     rgba(255, 255, 255, 0.08);
  --aa-headline:                        #ffffff;
}

body, html {
  background: var(--md-default-bg-color);
  color: var(--md-default-fg-color);
}

/* ============================================================================
 *  Typography
 * ========================================================================== */
.md-typeset {
  font-size: 0.875rem;
  line-height: 1.7;
  font-feature-settings: "cv11", "ss01", "ss03", "cv05";
  letter-spacing: -0.005em;
}

.md-typeset h1,
.md-typeset h2,
.md-typeset h3,
.md-typeset h4 {
  font-weight: 600;
  letter-spacing: -0.022em;
  color: var(--md-default-fg-color);
}

.md-typeset h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.035em;
  margin: 0 0 1.5rem;
}

.md-typeset h2 {
  font-size: 1.375rem;
  margin: 3.5rem 0 1.25rem;
  padding-top: 2rem;
  border-top: 1px solid var(--aa-border);
}

.md-typeset h3 {
  font-size: 1.0625rem;
  margin: 2rem 0 0.75rem;
}

.md-typeset p {
  color: var(--md-default-fg-color--light);
  margin: 0 0 1rem;
}

.md-typeset a {
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 160ms ease, color 160ms ease;
}

.md-typeset a:hover { border-bottom-color: currentColor; }

/* ============================================================================
 *  Header / nav — glass dark
 * ========================================================================== */
.md-header {
  background: rgba(7, 7, 13, 0.78);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--aa-border);
  box-shadow: none;
  min-height: 56px;
  height: auto;
  color: var(--md-default-fg-color);
}

.md-header__inner { padding: 0 1.5rem; }

.md-header__title {
  font-weight: 600;
  letter-spacing: -0.015em;
  font-size: 0.95rem;
}

.md-header__source {
  max-width: 12rem;
  white-space: nowrap;
  overflow: hidden;
}
.md-source__repository {
  font-size: 0.75rem;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}
.md-source__facts { font-size: 0.7rem; }

.md-tabs {
  background: transparent;
  border-bottom: 1px solid var(--aa-border);
  color: var(--md-default-fg-color);
}

.md-tabs__link {
  font-size: 0.8125rem;
  font-weight: 500;
  opacity: 0.6;
  margin-top: 0;
  padding: 0.85rem 0;
  transition: opacity 120ms ease;
}

.md-tabs__link:hover,
.md-tabs__link--active {
  opacity: 1;
}

.md-tabs__link--active { font-weight: 600; }

.md-search__form {
  background: var(--md-code-bg-color);
  border-radius: var(--aa-radius-sm);
  height: 34px;
  border: 1px solid var(--aa-border);
}

.md-search__input { font-size: 0.8125rem; color: var(--md-default-fg-color); }

/* ============================================================================
 *  Sidebars
 * ========================================================================== */
.md-nav__title {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--md-default-fg-color--lighter);
}

.md-nav__link {
  font-size: 0.8125rem;
  padding: 0.3rem 0;
  margin: 0.1rem 0;
  color: var(--md-default-fg-color--light);
  transition: color 120ms ease;
}

.md-nav__link:hover { color: var(--md-accent-fg-color); }

.md-nav__link--active {
  color: var(--md-default-fg-color);
  font-weight: 600;
}

/* ============================================================================
 *  Content
 * ========================================================================== */
.md-main { background: var(--md-default-bg-color); }

.md-content { max-width: 820px; margin: 0 auto; }
.md-content__inner { padding-top: 2rem; padding-bottom: 6rem; }

/* Landing pages with the hero get full width */
.md-content:has(.aa-hero),
body[data-md-color-scheme] .md-content:has(.aa-hero) {
  max-width: 1240px;
}
.md-content:has(.aa-hero) .md-content__inner {
  padding-left: 2rem;
  padding-right: 2rem;
}

/* ============================================================================
 *  Code
 * ========================================================================== */
.md-typeset code {
  background: var(--md-code-bg-color);
  border: none;
  border-radius: 5px;
  padding: 0.12rem 0.4rem;
  font-size: 0.8125rem;
  font-weight: 500;
}

.md-typeset pre > code {
  font-size: 0.8125rem;
  padding: 1.25rem 1.5rem;
  border-radius: var(--aa-radius-sm);
  background: var(--md-code-bg-color);
  line-height: 1.65;
}

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

/* ============================================================================
 *  Tables
 * ========================================================================== */
.md-typeset table:not([class]) {
  border: 1px solid var(--aa-border);
  border-radius: var(--aa-radius-sm);
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.8125rem;
  overflow: hidden;
  box-shadow: none;
}

.md-typeset table:not([class]) th {
  background: var(--md-code-bg-color);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--aa-border);
}

.md-typeset table:not([class]) td {
  background: transparent;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--aa-border);
}

.md-typeset table:not([class]) tr:last-child td { border-bottom: none; }

/* ============================================================================
 *  Buttons
 * ========================================================================== */
.md-typeset .md-button {
  font-weight: 500;
  font-size: 0.8125rem;
  border-radius: var(--aa-radius-sm);
  padding: 0.6rem 1.1rem;
  border: 1px solid var(--aa-border-strong);
  background: transparent;
  color: var(--md-default-fg-color);
  transition: all 200ms cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.md-typeset .md-button:hover {
  border-color: var(--md-default-fg-color);
  background: var(--aa-card-bg);
  color: var(--md-default-fg-color);
  transform: translateY(-1px);
}

.md-typeset .md-button--primary {
  background: var(--aa-gradient);
  background-size: 200% 200%;
  background-position: 0% 50%;
  color: #ffffff !important;
  border-color: transparent;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.md-typeset .md-button--primary:hover {
  background-position: 100% 50%;
  color: #ffffff !important;
  border-color: transparent;
  transform: translateY(-1px);
  box-shadow:
    0 10px 28px -8px rgba(99, 102, 241, 0.55),
    0 4px 14px -2px rgba(168, 85, 247, 0.30);
}

/* ============================================================================
 *  Admonitions
 * ========================================================================== */
.md-typeset .admonition,
.md-typeset details {
  border-radius: var(--aa-radius-sm);
  border: 1px solid var(--aa-border);
  background: var(--aa-card-bg);
  box-shadow: none;
  font-size: 0.8125rem;
}

/* ============================================================================
 *  Footer
 * ========================================================================== */
.md-footer {
  background: var(--md-default-bg-color);
  border-top: 1px solid var(--aa-border);
  font-size: 0.75rem;
}
.md-footer-meta { background: var(--md-default-bg-color); }
.md-footer__title { font-size: 0.8125rem; font-weight: 600; }

/* ============================================================================
 *  HERO + landing-page elements
 * ========================================================================== */
.md-content:has(.aa-hero) { position: relative; }
.md-content:has(.aa-hero)::before {
  content: "";
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 1200px;
  height: 600px;
  background: var(--aa-glow);
  pointer-events: none;
  z-index: 0;
}

.aa-hero {
  padding: 5rem 0 3rem;
  text-align: left;
  position: relative;
  z-index: 1;
}

.aa-hero .aa-eyebrow {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--aa-border-strong);
  color: var(--md-default-fg-color--light);
  background: var(--aa-gradient-soft);
  backdrop-filter: blur(8px);
  margin-bottom: 2rem;
}

.aa-hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1.05;
  margin: 0 0 1.75rem;
  border: none;
  padding: 0;
  background: var(--aa-gradient);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: aa-gradient-shift 12s ease-in-out infinite;
}

@keyframes aa-gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}

.aa-hero .aa-lede {
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--md-default-fg-color--light);
  max-width: 660px;
  margin: 0 0 2.5rem;
  font-weight: 400;
}

.aa-hero .aa-cta {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

/* Stats */
.aa-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.5rem 2.5rem;
  margin: 0 0 4rem;
  padding: 2rem 0;
  border-top: 1px solid var(--aa-border);
  border-bottom: 1px solid var(--aa-border);
}

.aa-stat .n {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1;
  margin-bottom: 0.5rem;
  font-feature-settings: "tnum";
  background: var(--aa-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.aa-stat .lbl {
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--md-default-fg-color--lighter);
}

/* Pillars — auto-fit so it adapts to any width */
.aa-pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin: 0 0 4rem;
}

.aa-pillar {
  position: relative;
  padding: 1.5rem;
  background: var(--aa-card-bg);
  border: 1px solid var(--aa-card-border);
  border-radius: var(--aa-radius);
  transition: all 250ms cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.aa-pillar::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--aa-radius);
  padding: 1px;
  background: var(--aa-gradient);
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 250ms ease;
  pointer-events: none;
}

.aa-pillar:hover { transform: translateY(-2px); }
.aa-pillar:hover::before { opacity: 1; }

.aa-pillar h3 {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 0.5rem;
  padding: 0;
  border: none;
}

.aa-pillar p {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--md-default-fg-color--light);
  margin: 0;
}

/* Bento — bulletproof auto-fit; no 12-col span game */
.aa-bento {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0 4rem;
}

.aa-bento-card {
  position: relative;
  padding: 1.75rem;
  background: var(--aa-card-bg);
  border: 1px solid var(--aa-card-border);
  border-radius: var(--aa-radius);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition: all 250ms cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  min-height: 180px;
  color: var(--md-default-fg-color);
}

.aa-bento-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--aa-gradient);
  opacity: 0.6;
  transition: opacity 250ms ease;
}

.aa-bento-card:hover {
  transform: translateY(-2px);
  border-color: var(--aa-border-strong);
  background: rgba(255, 255, 255, 0.04);
}

.aa-bento-card:hover::before { opacity: 1; }

.aa-bento-card .cat {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--md-default-fg-color--lighter);
}

.aa-bento-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0;
  padding: 0;
  border: none;
  color: var(--md-default-fg-color);
}

.aa-bento-card .desc {
  display: block;
  font-size: 0.8125rem;
  color: var(--md-default-fg-color--light);
  line-height: 1.55;
  margin: 0;
}

.aa-bento-card .members {
  display: block;
  margin-top: auto;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--md-default-fg-color--lighter);
  letter-spacing: 0.02em;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--aa-border);
  line-height: 1.5;
}

/* Full-card click target — invisible <a> covers the entire card */
.aa-bento-card .aa-card-link {
  position: absolute;
  inset: 0;
  border: none;
  z-index: 2;
  background: transparent;
  font-size: 0;
  text-decoration: none;
}
.aa-bento-card .aa-card-link:hover { border: none; }

/* Footer CTA */
.aa-cta-card {
  background: var(--aa-gradient-soft);
  border: 1px solid var(--aa-border);
  border-radius: var(--aa-radius);
  padding: 3rem 2rem;
  margin: 4rem 0 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.aa-cta-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--aa-glow);
  opacity: 0.6;
  pointer-events: none;
}

.aa-cta-card h2 {
  position: relative;
  font-size: 1.875rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin: 0 0 0.5rem;
  padding: 0;
  border: none;
  color: var(--md-default-fg-color);
}

.aa-cta-card p {
  position: relative;
  color: var(--md-default-fg-color--light);
  font-size: 0.95rem;
  margin: 0 0 1.5rem;
}

.aa-cta-card .aa-cta {
  position: relative;
  justify-content: center;
}

/* Subtle fade-up on load */
@keyframes aa-fade-up {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.aa-hero > *,
.aa-stats,
.aa-pillars,
.aa-bento,
.aa-cta-card {
  animation: aa-fade-up 600ms cubic-bezier(0.4, 0, 0.2, 1) both;
}

.aa-stats     { animation-delay: 80ms; }
.aa-pillars   { animation-delay: 160ms; }
.aa-bento     { animation-delay: 240ms; }

/* ============================================================================
 *  Mermaid container
 * ========================================================================== */
.md-typeset .mermaid {
  background: var(--aa-card-bg);
  border: 1px solid var(--aa-card-border);
  border-radius: var(--aa-radius);
  padding: 1.5rem;
  margin: 1.5rem 0;
}

/* ============================================================================
 *  Mkdocs-Jupyter polish
 * ========================================================================== */
.jp-Notebook { background: transparent !important; }
.jp-Cell { padding: 0.5rem 0 !important; }
.jp-CodeMirrorEditor { font-size: 0.8125rem !important; }
.jp-OutputArea-output pre { font-size: 0.75rem; line-height: 1.55; }

html { scroll-behavior: smooth; }

/* Hide the palette toggle since we're dark-only */
.md-header__option { display: none; }