/* ─── Catppuccin Mocha Color Overrides ─── */
:root {
  --ctp-rosewater: #f5e0dc;
  --ctp-flamingo: #f2cdcd;
  --ctp-pink: #f5c2e7;
  --ctp-mauve: #cba6f7;
  --ctp-red: #f38ba8;
  --ctp-maroon: #eba0ac;
  --ctp-peach: #fab387;
  --ctp-yellow: #f9e2af;
  --ctp-green: #a6e3a1;
  --ctp-teal: #94e2d5;
  --ctp-sky: #89dceb;
  --ctp-sapphire: #74c7ec;
  --ctp-blue: #89b4fa;
  --ctp-lavender: #b4befe;
  --ctp-text: #cdd6f4;
  --ctp-subtext1: #bac2de;
  --ctp-subtext0: #a6adc8;
  --ctp-overlay2: #9399b2;
  --ctp-overlay1: #7f849c;
  --ctp-overlay0: #6c7086;
  --ctp-surface2: #585b70;
  --ctp-surface1: #45475a;
  --ctp-surface0: #313244;
  --ctp-base: #1e1e2e;
  --ctp-mantle: #181825;
  --ctp-crust: #11111b;
}

[data-md-color-scheme="slate"] {
  --md-default-bg-color: var(--ctp-base);
  --md-default-fg-color: var(--ctp-text);
  --md-primary-fg-color: #ffffff;
  --md-primary-bg-color: #2d1b69;
  --md-accent-fg-color: var(--ctp-teal);
  --md-code-bg-color: var(--ctp-mantle);
  --md-code-fg-color: var(--ctp-text);
  --md-typeset-a-color: var(--ctp-sapphire);
  --md-footer-bg-color: var(--ctp-crust);
  --md-footer-fg-color: var(--ctp-subtext0);
}

[data-md-color-scheme="slate"] .md-header {
  background-color: #2d1b69;
  color: #ffffff;
}

[data-md-color-scheme="slate"] .md-header .md-header__title,
[data-md-color-scheme="slate"] .md-header .md-logo,
[data-md-color-scheme="slate"] .md-header .md-search__input,
[data-md-color-scheme="slate"] .md-header .md-header__button,
[data-md-color-scheme="slate"] .md-header .md-source__repository,
[data-md-color-scheme="slate"] .md-header .md-source {
  color: #ffffff;
}

[data-md-color-scheme="slate"] .md-tabs {
  background-color: #241557;
  color: #ffffff;
}

[data-md-color-scheme="slate"] .md-tabs__link {
  color: rgba(255, 255, 255, 0.7);
}

[data-md-color-scheme="slate"] .md-tabs__link--active,
[data-md-color-scheme="slate"] .md-tabs__link:hover {
  color: #ffffff;
}

[data-md-color-scheme="slate"] .md-nav__link--active {
  color: var(--ctp-mauve);
}

[data-md-color-scheme="slate"] .md-search__input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

/* ─── Hero Section ─── */
.md-hero {
  background: linear-gradient(135deg, #f3f0ff 0%, #e8e0ff 40%, #d4c6ff 100%);
  padding: 4rem 2rem;
  text-align: center;
  border-radius: 12px;
  margin-bottom: 2rem;
}

[data-md-color-scheme="slate"] .md-hero {
  background: linear-gradient(135deg, var(--ctp-crust) 0%, var(--ctp-base) 40%, #2a1f4e 100%);
}

.md-hero .hero-image {
  max-width: 750px;
  width: 100%;
  height: auto;
  margin-bottom: 1.5rem;
  border-radius: 16px;
  filter: drop-shadow(0 4px 20px rgba(124, 58, 237, 0.3));
}

.md-hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, #7c3aed, #0d9488);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

[data-md-color-scheme="slate"] .md-hero h1 {
  background: linear-gradient(135deg, var(--ctp-mauve), var(--ctp-teal));
  -webkit-background-clip: text;
  background-clip: text;
}

.md-hero p {
  font-size: 1.25rem;
  color: #64748b;
  max-width: 700px;
  margin: 0 auto 2rem;
}

[data-md-color-scheme="slate"] .md-hero p {
  color: var(--ctp-subtext1);
}

.md-hero .hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.md-hero .hero-buttons a {
  display: inline-block;
  padding: 0.75rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
}

.md-hero .hero-buttons a:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.3);
}

.md-hero .hero-buttons .primary {
  background: linear-gradient(135deg, #7c3aed, #9b6dff);
  color: #ffffff;
}

[data-md-color-scheme="slate"] .md-hero .hero-buttons .primary {
  background: linear-gradient(135deg, var(--ctp-mauve), #9b6dff);
  color: var(--ctp-crust);
}

.md-hero .hero-buttons .secondary {
  background: #ffffff;
  color: #374151;
  border: 1px solid #d1d5db;
}

[data-md-color-scheme="slate"] .md-hero .hero-buttons .secondary {
  background: var(--ctp-surface0);
  color: var(--ctp-text);
  border: 1px solid var(--ctp-surface2);
}

/* ─── Feature Card Grid ─── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.feature-card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 1.5rem;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

[data-md-color-scheme="slate"] .feature-card {
  background: var(--ctp-surface0);
  border-color: var(--ctp-surface1);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: #7c3aed;
  box-shadow: 0 8px 30px rgba(124, 58, 237, 0.12);
}

[data-md-color-scheme="slate"] .feature-card:hover {
  border-color: var(--ctp-mauve);
  box-shadow: 0 8px 30px rgba(203, 166, 247, 0.15);
}

.feature-card h3 {
  color: #7c3aed;
  margin-top: 0;
  font-size: 1.1rem;
}

[data-md-color-scheme="slate"] .feature-card h3 {
  color: var(--ctp-mauve);
}

.feature-card p {
  color: #64748b;
  font-size: 0.9rem;
  margin-bottom: 0;
}

[data-md-color-scheme="slate"] .feature-card p {
  color: var(--ctp-subtext0);
}

.feature-card .feature-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  display: block;
}

/* ─── Mermaid diagram overrides ─── */

/*
 * Styled nodes set color via inline styles — never override those.
 * We only style unstyled (default-themed) elements for dark mode.
 */

/* Dark mode: unstyled node shapes */
[data-md-color-scheme="slate"] .mermaid .node rect:not([style*="fill"]),
[data-md-color-scheme="slate"] .mermaid .node circle:not([style*="fill"]),
[data-md-color-scheme="slate"] .mermaid .node polygon:not([style*="fill"]) {
  fill: var(--ctp-surface0);
  stroke: var(--ctp-surface2);
}

/* Dark mode: SVG <text> elements (axis labels, arrow text, subgraph titles) */
[data-md-color-scheme="slate"] .mermaid text:not([style*="fill"]) {
  fill: var(--ctp-text);
}

/* Dark mode: edge labels */
[data-md-color-scheme="slate"] .mermaid .edgeLabel {
  background-color: var(--ctp-surface0);
  color: var(--ctp-text);
}

/* Dark mode: edge paths and arrowheads */
[data-md-color-scheme="slate"] .mermaid .edgePath .path {
  stroke: var(--ctp-overlay0);
}

[data-md-color-scheme="slate"] .mermaid .arrowheadPath {
  fill: var(--ctp-overlay0);
}

/* Dark mode: subgraph clusters */
[data-md-color-scheme="slate"] .mermaid .cluster rect {
  fill: var(--ctp-mantle) !important;
  stroke: var(--ctp-surface1) !important;
}

[data-md-color-scheme="slate"] .mermaid .cluster span {
  color: var(--ctp-subtext0);
}

/* Both modes: force text inside styled nodes to inherit color from parent span */
.mermaid .nodeLabel span,
.mermaid .nodeLabel b,
.mermaid .nodeLabel small,
.mermaid .nodeLabel i,
.mermaid .nodeLabel p,
.mermaid .nodeLabel div {
  color: inherit !important;
}

/* ─── Console-style code blocks ─── */
.highlight pre {
  border-radius: 8px;
  border: 1px solid #e5e7eb;
}

[data-md-color-scheme="slate"] .highlight pre {
  border-color: var(--ctp-surface1);
  background-color: var(--ctp-mantle) !important;
}

/* ─── Tutorial Cards ─── */
.tutorial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.tutorial-card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 1.5rem;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  display: block;
}

[data-md-color-scheme="slate"] .tutorial-card {
  background: var(--ctp-surface0);
  border-color: var(--ctp-surface1);
}

.tutorial-card:hover {
  transform: translateY(-4px);
  border-color: #0d9488;
  box-shadow: 0 8px 30px rgba(13, 148, 136, 0.12);
}

[data-md-color-scheme="slate"] .tutorial-card:hover {
  border-color: var(--ctp-teal);
  box-shadow: 0 8px 30px rgba(148, 226, 213, 0.15);
}

.tutorial-card h3 {
  color: #1e293b;
  margin-top: 0;
}

[data-md-color-scheme="slate"] .tutorial-card h3 {
  color: var(--ctp-text);
}

.tutorial-card p {
  color: #64748b;
  font-size: 0.9rem;
}

[data-md-color-scheme="slate"] .tutorial-card p {
  color: var(--ctp-subtext0);
}

.tutorial-card .tutorial-card-title {
  margin-top: -0.5rem;
}

.tutorial-card .lg {
  font-size: 1.5rem;
  vertical-align: middle;
  margin-right: 0.25rem;
}

/* ─── Admonition tweaks ─── */
[data-md-color-scheme="slate"] .md-typeset .admonition,
[data-md-color-scheme="slate"] .md-typeset details {
  background-color: var(--ctp-surface0);
  border-color: var(--ctp-surface2);
}

/* ─── Section headers ─── */
.section-header {
  text-align: center;
  margin: 3rem 0 1.5rem;
}

.section-header h2 {
  font-size: 2rem;
  font-weight: 700;
}

.section-header p {
  color: #64748b;
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

[data-md-color-scheme="slate"] .section-header p {
  color: var(--ctp-subtext0);
}

/* ─── Badge styles ─── */
.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge {
  background: #f1f5f9;
  color: #64748b;
}

[data-md-color-scheme="slate"] .badge {
  background: var(--ctp-surface1);
  color: var(--ctp-subtext0);
}

.badge-beginner { background: rgba(22, 163, 74, 0.12); color: #16a34a; }
.badge-intermediate { background: rgba(202, 138, 4, 0.12); color: #ca8a04; }
.badge-advanced { background: rgba(220, 38, 38, 0.12); color: #dc2626; }

[data-md-color-scheme="slate"] .badge-beginner { background: rgba(166, 227, 161, 0.2); color: var(--ctp-green); }
[data-md-color-scheme="slate"] .badge-intermediate { background: rgba(249, 226, 175, 0.2); color: var(--ctp-yellow); }
[data-md-color-scheme="slate"] .badge-advanced { background: rgba(243, 139, 168, 0.2); color: var(--ctp-red); }