:root {
  --color-card-bg: var(--md-default-bg-color);
  --color-card-border: var(--md-accent-fg-color);
  --color-card-text: var(--md-typeset-color);
  --color-card-hover: var(--md-primary-fg-color);
  --radius-card: 12px;
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.1);
}


.card-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-evenly;
  margin-bottom: 2rem;
}

.card {
  display: block;
  text-decoration: none;
  background-color: var(--md-default-bg-color);
  border: 2px solid var(--md-default-fg-color--lightest);
  border-radius: 0.5rem;
  transition: border-color 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease;
  color: inherit;
  padding: 1rem;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
    border-color: var(--md-primary-fg-color);
}

.card:hover {
  background-color: color-mix(in srgb, var(--md-primary-fg-color) 19%, transparent);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}


.code-card {
  background: #1e1e2f;
  border-radius: 12px;
  padding: 16px;
  font-family: 'Fira Code', monospace;
  color: #f8f8f2;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.grid.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.card {
  display: block;
  padding: 1.25rem 1.25rem 1.4rem;
  border-radius: 10px;

  background-color: var(--md-default-bg-color);
  border: 1px solid var(--md-default-fg-color--lightest);

  text-decoration: none;
  color: inherit;

  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease,
    border-color 0.15s ease;
}

.card h3 {
  margin: 0 0 0.4rem 0;
  font-size: 1.05rem;
  font-weight: 600;
}

.card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--md-default-fg-color--light);
}

.card:hover {
  transform: translateY(-2px);
  border-color: var(--md-primary-fg-color--light);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
}




/* Extra CSS for MkDocs */

/* Mermaid diagram styling */
.mermaid {
    text-align: center;
    margin: 20px 0;
}

/* Code block styling */
.md-typeset .highlight {
  border: 1px solid #4a90d9;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  margin: 1em 0;
}

.md-typeset .highlight code,
.md-typeset .highlight pre {
  background-color: color-mix(in srgb, black 8%, var(--md-default-bg-color));
}

[data-md-color-scheme="slate"] .md-typeset .highlight code,
[data-md-color-scheme="slate"] .md-typeset .highlight pre {
  background-color: color-mix(in srgb, black 20%, var(--md-default-bg-color));
}

/* Language title bar */
.md-typeset .highlight .filename {
  background-color: color-mix(in srgb, var(--md-default-fg-color--lightest) 60%, transparent);
  border-bottom: 1px solid var(--md-default-fg-color--lightest);
  padding: 0.45em 1em;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.md-typeset .highlight pre {
  border-radius: 0;
  margin: 0;
}

/* Dark mode adjustments */
[data-md-color-scheme="slate"] .md-typeset .highlight {
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
}

/* Ensure diagrams are responsive */
.mermaid svg {
    max-width: 100%;
    height: auto;
}

/* Better spacing for code blocks */
.codehilite {
    margin: 1em 0;
}

/* Rounded corners for images in documentation, but not the hero logo */
.md-typeset img:not(.rt-hero img) {
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.colab-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;

  border-radius: 10px;
  border: 1px solid var(--md-default-fg-color--lighter);
  background: var(--md-default-bg-color);

  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.colab-card-left {
  flex-shrink: 0;
}

.colab-logo {
  width: 48px;
  height: auto;
}

.colab-card-content {
  flex: 1;
}

.colab-card-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.colab-card-description {
  font-size: 0.85rem;
  opacity: 0.8;
}

.colab-card-action {
  flex-shrink: 0;
}

.colab-button {
  display: inline-block;
  padding: 0.5rem 0.9rem;

  border-radius: 6px;
  font-weight: 600;
  font-size: 0.85rem;

  background: #f9ab00; /* Colab yellow */
  color: #000 !important;
  text-decoration: none;
}

.colab-button:hover {
  background: #f29900;
}

/* Disabled / Coming Soon cards */
.card.disabled {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

.card.disabled:hover {
  transform: none;
  box-shadow: none;
}

/* ── Index page layout helpers ───────────────────────────────────────── */

/* Hero / centered intro block */
.rt-hero {
  text-align: center;
  margin-top: 2rem;
  margin-bottom: 1.5rem;
}

.rt-hero h1 {
  margin-bottom: 0.25rem;
}

.rt-hero p {
  margin-top: 0;
  font-size: 1rem;
}

/* Centered section heading */
.rt-section-center {
  text-align: center;
  margin-top: 2rem;
  margin-bottom: 1.5rem;
}

/* CTA button row */
.rt-cta {
  text-align: center;
  margin-top: 1rem;
  margin-bottom: 1.5rem;
}

/* Responsive 16:9 video container */
.rt-video-container {
  margin-top: 1.5rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.rt-video-embed {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 12px;
}

.rt-video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 12px;
}