@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=IBM+Plex+Sans:wght@400;500;600;700&display=swap");

:root {
  --ai-lab-bg: #f5f5f2;
  --ai-lab-surface: #ffffff;
  --ai-lab-surface-muted: #f0f1ed;
  --ai-lab-line: #d7dbd5;
  --ai-lab-line-strong: #c6cbc4;
  --ai-lab-ink: #1f2421;
  --ai-lab-muted: #5a645d;
  --ai-lab-accent: #295e57;
  --ai-lab-accent-soft: #edf3f1;
  --ai-lab-note: #f6f3ec;
}

[data-md-color-scheme="default"] {
  --md-default-bg-color: var(--ai-lab-bg);
  --md-default-fg-color: var(--ai-lab-ink);
  --md-default-fg-color--light: var(--ai-lab-muted);
  --md-typeset-a-color: var(--ai-lab-accent);
  --md-primary-fg-color: var(--ai-lab-surface);
  --md-primary-fg-color--light: var(--ai-lab-surface);
  --md-primary-fg-color--dark: var(--ai-lab-surface);
  --md-accent-fg-color: var(--ai-lab-accent);
  --md-code-fg-color: #e8ece9;
  --md-code-bg-color: #1e2522;
  --md-typeset-table-color: var(--ai-lab-line);
}

body {
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  background: var(--ai-lab-bg);
  color: var(--ai-lab-ink);
}

.md-main,
.md-main__inner {
  background: transparent;
}

.md-header {
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--ai-lab-line);
  box-shadow: none;
  color: var(--ai-lab-ink);
}

.md-header__button,
.md-header__title,
.md-header__topic,
.md-search__icon,
.md-search__input,
.md-source {
  color: var(--ai-lab-ink);
}

.md-header__source {
  display: none;
}

.md-search__form {
  background: var(--ai-lab-surface-muted);
  border-radius: 10px;
}

.md-main__inner {
  margin-top: 0.75rem;
}

.md-sidebar--primary .md-sidebar__scrollwrap,
.md-sidebar--secondary .md-sidebar__scrollwrap {
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.md-sidebar--primary .md-sidebar__scrollwrap,
.md-sidebar--secondary .md-sidebar__scrollwrap {
  padding: 0;
}

.md-nav__title,
.md-nav__link {
  border-radius: 8px;
}

.md-nav__link {
  color: var(--ai-lab-muted);
}

.md-nav__link--active,
.md-nav__link:hover {
  color: var(--ai-lab-ink);
  background: var(--ai-lab-accent-soft);
}

.md-sidebar--secondary .md-nav__title {
  color: var(--ai-lab-ink);
  font-weight: 600;
}

.md-content__inner {
  padding-bottom: 3rem;
}

.md-typeset {
  font-size: 0.9rem;
  line-height: 1.7;
}

.md-typeset h1,
.md-typeset h2,
.md-typeset h3 {
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--ai-lab-ink);
  letter-spacing: 0;
  font-weight: 600;
}

.md-typeset h1 {
  font-size: clamp(1.95rem, 3.2vw, 2.45rem);
  margin-bottom: 0.6rem;
}

.md-typeset h2 {
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  margin-top: 2rem;
  margin-bottom: 0.6rem;
}

.md-typeset h3 {
  font-size: 1.02rem;
}

.md-typeset p,
.md-typeset li,
.md-typeset td,
.md-typeset th {
  color: var(--ai-lab-muted);
}

.md-typeset strong {
  color: var(--ai-lab-ink);
}

.md-typeset a {
  font-weight: 500;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.15em;
}

.md-typeset a:hover {
  color: var(--ai-lab-ink);
}

.md-typeset ul li::marker,
.md-typeset ol li::marker {
  color: var(--ai-lab-muted);
  font-weight: 600;
}

.md-typeset pre > code {
  border: 1px solid #29332f;
  border-radius: 10px;
  box-shadow: none;
  font-family: "IBM Plex Mono", "SFMono-Regular", monospace;
}

.md-typeset code {
  font-family: "IBM Plex Mono", "SFMono-Regular", monospace;
}

.md-typeset table:not([class]) {
  background: var(--ai-lab-surface);
  border: 1px solid var(--ai-lab-line);
  border-radius: 10px;
  box-shadow: none;
  overflow: hidden;
}

.md-typeset table:not([class]) th {
  background: var(--ai-lab-surface-muted);
  color: var(--ai-lab-ink);
}

.md-typeset blockquote {
  border-left: 3px solid var(--ai-lab-line-strong);
  background: var(--ai-lab-surface-muted);
  border-radius: 0 8px 8px 0;
  padding: 0.75rem 0.95rem;
}

.md-typeset .admonition,
.md-typeset details {
  border: 1px solid var(--ai-lab-line);
  border-radius: 10px;
  box-shadow: none;
}

.md-typeset hr {
  margin: 2rem 0;
  border: 0;
  border-top: 1px solid var(--ai-lab-line);
}

.ai-lab-page {
  display: block;
}

.ai-lab-hero {
  position: relative;
  overflow: hidden;
  padding: 1.2rem 1.25rem;
  margin: 0 0 1.25rem;
  border: 1px solid var(--ai-lab-line);
  border-radius: 12px;
  background: var(--ai-lab-surface);
  box-shadow: none;
}

.ai-lab-hero::after {
  display: none;
}

.ai-lab-kicker {
  margin: 0 0 0.3rem;
  color: var(--ai-lab-muted);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ai-lab-brand-mark {
  display: block;
  width: clamp(3.8rem, 9vw, 4.8rem);
  height: auto;
  margin-bottom: 0.75rem;
  filter: none;
}

.ai-lab-logo-card {
  text-align: center;
}

.ai-lab-logo-swatch {
  display: block;
  width: min(9rem, 100%);
  height: auto;
  margin: 0 auto 0.8rem;
}

.ai-lab-hero p {
  max-width: 46rem;
}

.ai-lab-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1rem;
}

.ai-lab-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.56rem 0.82rem;
  border-radius: 999px;
  border: 1px solid var(--ai-lab-line-strong);
  background: var(--ai-lab-surface);
  color: var(--ai-lab-ink);
  font-weight: 600;
  text-decoration: none !important;
  box-shadow: none;
  transition: background 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}

.ai-lab-pill--warm {
  border-color: var(--ai-lab-line-strong);
  background: var(--ai-lab-note);
}

.ai-lab-pill:hover {
  background: var(--ai-lab-accent-soft);
  border-color: var(--ai-lab-accent);
}

.ai-lab-grid {
  display: grid;
  gap: 0.85rem;
  margin: 1rem 0 1.5rem;
}

.ai-lab-grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ai-lab-grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.ai-lab-card,
.ai-lab-phase {
  padding: 1rem 1.05rem;
  border: 1px solid var(--ai-lab-line);
  border-radius: 12px;
  background: var(--ai-lab-surface);
  box-shadow: none;
  transition: border-color 0.16s ease, background 0.16s ease;
}

.ai-lab-card h2,
.ai-lab-card h3,
.ai-lab-phase h2,
.ai-lab-phase h3 {
  margin-top: 0;
  margin-bottom: 0.35rem;
}

.ai-lab-card p:last-child,
.ai-lab-phase p:last-child {
  margin-bottom: 0;
}

.ai-lab-card__eyebrow,
.ai-lab-phase__meta {
  margin: 0 0 0.3rem;
  color: var(--ai-lab-muted);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.ai-lab-card ul,
.ai-lab-phase ul {
  margin: 0.5rem 0 0 1rem;
}

.ai-lab-band {
  padding: 0.9rem 1rem;
  border-left: 3px solid var(--ai-lab-line-strong);
  border-radius: 0 8px 8px 0;
  background: var(--ai-lab-note);
  margin: 1rem 0 1.5rem;
}

.ai-lab-phase__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 999px;
  margin-bottom: 0.55rem;
  background: var(--ai-lab-surface-muted);
  color: var(--ai-lab-ink);
  font-size: 0.78rem;
  font-weight: 600;
}

.ai-lab-rule-list {
  list-style: none;
  margin: 0.4rem 0 0;
  padding: 0;
}

.ai-lab-rule-list li + li {
  margin-top: 0.4rem;
}

.ai-lab-rule-list strong {
  display: inline-block;
  min-width: 5.5rem;
}

.ai-lab-card:hover,
.ai-lab-phase:hover {
  transform: none;
  border-color: var(--ai-lab-line-strong);
  box-shadow: none;
}

@media (max-width: 900px) {
  .ai-lab-grid--2,
  .ai-lab-grid--3 {
    grid-template-columns: 1fr;
  }

  .ai-lab-hero {
    padding: 1rem;
  }
}