:root {
  --pst-color-primary: #1f77b4;
  --pst-color-secondary: #ff7f0e;
}

.mrax-hero {
  border: 1px solid var(--pst-color-border);
  border-radius: 12px;
  padding: 1.75rem;
  margin: 0 0 2rem;
  background:
    linear-gradient(135deg, rgba(31, 119, 180, 0.12), rgba(255, 127, 14, 0.08)),
    var(--pst-color-background);
}

.mrax-hero-inner {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 1.75rem;
  align-items: center;
}

.mrax-hero-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
}

.mrax-hero-mark img {
  display: block;
  width: 150px;
  max-width: 100%;
  height: auto;
}

.mrax-hero-title {
  max-width: 760px;
  margin: 0;
  color: var(--pst-color-heading);
  font-size: 2rem;
  line-height: 1.1;
  font-weight: 750;
}

.mrax-hero-copy {
  max-width: 780px;
  margin: 1rem 0 0;
  font-size: 1.05rem;
}

.mrax-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.4rem;
}

.mrax-hero a.mrax-button {
  display: inline-block;
  border: 1px solid var(--pst-color-border);
  border-radius: 7px;
  padding: 0.55rem 0.85rem;
  font-weight: 700;
  text-decoration: none;
  background: var(--pst-color-background);
}

.mrax-hero a.mrax-button,
.mrax-hero a.mrax-button:visited {
  color: var(--pst-color-primary);
}

.mrax-hero a.mrax-button:hover {
  text-decoration: none;
  border-color: var(--pst-color-primary);
}

.mrax-hero a.mrax-button-primary,
.mrax-hero a.mrax-button-primary:visited {
  background: #4bb4c5;
  border-color: #4bb4c5;
  color: #06131f !important;
}

.mrax-hero a.mrax-button-primary:hover {
  background: #60c0cf;
  border-color: #60c0cf;
  color: #06131f !important;
}

@media (max-width: 720px) {
  .mrax-hero {
    padding: 1.25rem;
  }

  .mrax-hero-inner {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .mrax-hero-mark {
    justify-content: flex-start;
  }

  .mrax-hero-mark img {
    width: 112px;
  }

  .mrax-hero-title {
    font-size: 1.55rem;
  }
}

/* Constrain line lengths for readability */
.bd-article {
  max-width: 980px;
}

/* Light card styling for lists */
.toctree-wrapper ul {
  list-style: none;
  padding-left: 0;
}

.toctree-wrapper ul li {
  background: #f8f9fb;
  border: 1px solid #e1e5ea;
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 8px;
}

.toctree-wrapper ul li a {
  font-weight: 600;
  color: var(--pst-color-primary);
}

/* Soften code blocks */
div.highlight pre {
  border-radius: 6px;
}

.notebook-embed {
  margin: 16px 0;
  border: 1px solid #e1e5ea;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.04);
}

.notebook-embed iframe {
  display: block;
  width: 100%;
  background: #fff;
}

.bd-article > section[id] + h1[id] {
  display: none;
}

/* Header logo: larger image, hide text label */
.navbar-brand .logo__image {
  height: 52px;
  max-height: 52px;
  width: auto;
}

.navbar-brand .logo__title {
  display: none;
}

@media (min-width: 960px) {
  .bd-header__inner {
    align-items: center;
    flex-wrap: nowrap;
  }

  .navbar-header-items__start {
    flex: 0 0 auto;
    max-width: none;
    width: auto;
  }

  .navbar-header-items {
    align-items: center;
    display: flex;
    flex: 1 1 auto;
    flex-wrap: nowrap;
    max-width: none;
    min-width: 0;
    width: auto;
  }

  .navbar-header-items__center {
    flex: 1 1 auto;
    min-width: 0;
  }

  .bd-navbar-elements {
    flex-wrap: nowrap;
    white-space: nowrap;
  }

  .navbar-header-items__end {
    flex: 0 0 auto;
  }
}

/* Dark theme tweaks */
html[data-theme="dark"] .toctree-wrapper ul li {
  background: #1f2733;
  border-color: #2e3a4a;
}

html[data-theme="dark"] .toctree-wrapper ul li a {
  color: var(--pst-color-primary);
}

html[data-theme="dark"] .notebook-embed {
  border-color: #2e3a4a;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
}

html[data-theme="dark"] .notebook-embed iframe {
  background: #0f141c;
}