/* ══════════════════════════════════════════════════════════════
   GA-Optimized Decision Trees — Dark theme
   ══════════════════════════════════════════════════════════════ */

/* ── 1. Palette — deep slate blues, no green ────────────────── */
:root {
  --md-primary-fg-color:        #7c8aff;
  --md-primary-fg-color--light: #a0aaff;
  --md-primary-fg-color--dark:  #5560cc;
  --md-accent-fg-color:         #a0aaff;
}

[data-md-color-scheme="slate"] {
  --md-default-bg-color:        hsl(228, 16%, 10%);
  --md-default-bg-color--light: hsl(228, 14%, 13%);
  --md-code-bg-color:           hsl(228, 14%, 13%);
}

:root {
  --ga-glow:       rgba(124, 138, 255, 0.08);
  --ga-glow-hover: rgba(124, 138, 255, 0.16);
  --ga-border:     rgba(124, 138, 255, 0.25);
  --ga-card-bg:    hsl(228, 14%, 13%);
  --ga-card-border:rgba(255, 255, 255, 0.08);
  --ga-radius:     10px;
  --ga-transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}


/* ── 2. Global refinements ──────────────────────────────────── */
body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: rgba(124, 138, 255, 0.2);
}

a {
  transition: color var(--ga-transition);
}

.md-nav__link {
  font-size: 0.78rem;
}


/* ── 3. Hide "Made with Material for MkDocs" footer ─────────── */
.md-footer-meta .md-footer-meta__inner {
  display: none;
}

.md-footer-meta {
  padding: 0;
  min-height: 0;
}


/* ── 4. Hero banner — dark gradient ─────────────────────────── */
.md-typeset .hero-banner {
  background: linear-gradient(135deg, hsl(228, 30%, 16%) 0%, hsl(240, 22%, 22%) 50%, hsl(250, 28%, 18%) 100%);
  border: 1px solid rgba(124, 138, 255, 0.15);
  border-radius: var(--ga-radius);
  padding: 3rem 2.5rem 2.5rem;
  margin-bottom: 2rem;
  color: white;
  position: relative;
  overflow: hidden;
}

.md-typeset .hero-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 85%, rgba(124, 138, 255, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 85% 15%, rgba(160, 170, 255, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.md-typeset .hero-banner h1 {
  color: white !important;
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 0.4rem;
  position: relative;
}

.md-typeset .hero-banner p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.1rem;
  margin-bottom: 0;
  position: relative;
}

.md-typeset .hero-banner strong {
  color: #c5cbff;
}


/* ── 5. Stat cards — nowrap fix ─────────────────────────────── */
.md-typeset .stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
}

.md-typeset .stat-card {
  background: var(--ga-card-bg);
  border: 1px solid var(--ga-card-border);
  border-radius: var(--ga-radius);
  padding: 1.1rem 0.8rem;
  text-align: center;
  transition: border-color var(--ga-transition), box-shadow var(--ga-transition);
}

.md-typeset .stat-card:hover {
  border-color: var(--ga-border);
  box-shadow: 0 0 0 3px var(--ga-glow);
}

.md-typeset .stat-card .stat-num {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--md-primary-fg-color);
  line-height: 1.1;
  white-space: nowrap;
}

.md-typeset .stat-card .stat-desc {
  font-size: 0.68rem;
  color: rgba(255, 255, 255, 0.45);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-top: 6px;
  white-space: nowrap;
}


/* ── 6. Documentation card grid ─────────────────────────────── */
.md-typeset .card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.md-typeset .card-grid .card {
  background: var(--ga-card-bg);
  border: 1px solid var(--ga-card-border);
  border-radius: var(--ga-radius);
  padding: 0;
  min-height: 0;
  transition: border-color var(--ga-transition),
              transform    var(--ga-transition),
              box-shadow   var(--ga-transition),
              background   var(--ga-transition);
}

.md-typeset .card-grid .card:hover {
  border-color: rgba(124, 138, 255, 0.3);
  background: hsl(228, 14%, 15%);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25),
              0 0 0 1px rgba(124, 138, 255, 0.08);
}

.md-typeset .card-grid .card a {
  display: flex;
  flex-direction: column;
  padding: 1rem;
  text-decoration: none;
  color: inherit;
  box-sizing: border-box;
}

.md-typeset .card-grid .card .card-icon {
  font-size: 1.4rem;
  margin-bottom: 0.4rem;
  line-height: 1;
}

.md-typeset .card-grid .card .card-title {
  font-weight: 700;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 0.2rem;
  font-size: 0.85rem;
  line-height: 1.3;
}

.md-typeset .card-grid .card .card-desc {
  font-size: 0.73rem;
  color: rgba(255, 255, 255, 0.42);
  line-height: 1.45;
}


/* ── 7. Code blocks ─────────────────────────────────────────── */
.md-typeset pre > code {
  border-radius: 8px;
  font-size: 0.82rem;
}

.md-typeset code {
  font-size: 0.86em;
}


/* ── 8. Tables ──────────────────────────────────────────────── */
.md-typeset table:not([class]) {
  border-radius: var(--ga-radius);
  overflow: hidden;
  border: 1px solid var(--ga-card-border);
}

.md-typeset table:not([class]) th {
  background-color: hsl(228, 16%, 16%);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.md-typeset table:not([class]) td {
  font-size: 0.85rem;
  border-color: var(--ga-card-border);
}

.md-typeset table:not([class]) tbody tr {
  transition: background var(--ga-transition);
}

.md-typeset table:not([class]) tbody tr:hover {
  background: var(--ga-glow);
}


/* ── 9. Admonitions ─────────────────────────────────────────── */
.md-typeset .admonition,
.md-typeset details {
  border-radius: var(--ga-radius);
  border-width: 1px;
  border-left-width: 4px;
}

.md-typeset .admonition.result,
.md-typeset details.result {
  border-color: var(--md-primary-fg-color);
}

.md-typeset .admonition.result > .admonition-title,
.md-typeset details.result > summary {
  background-color: var(--ga-glow);
}

.md-typeset .admonition.result > .admonition-title::before,
.md-typeset details.result > summary::before {
  background-color: var(--md-primary-fg-color);
  -webkit-mask-image: var(--md-admonition-icon--tip);
          mask-image: var(--md-admonition-icon--tip);
}


/* ── 10. Tabs ───────────────────────────────────────────────── */
.md-typeset .tabbed-labels > label {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.3px;
}


/* ── 11. Badges — dark palette ──────────────────────────────── */
.md-typeset .badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 3px 10px;
  border-radius: 20px;
  margin-right: 4px;
}

.md-typeset .badge-slate {
  background: rgba(124, 138, 255, 0.10);
  color: #a0aaff;
  border: 1px solid rgba(124, 138, 255, 0.25);
}

.md-typeset .badge-blue {
  background: rgba(96, 165, 250, 0.10);
  color: #93bbfd;
  border: 1px solid rgba(96, 165, 250, 0.25);
}

.md-typeset .badge-muted {
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.50);
  border: 1px solid rgba(255, 255, 255, 0.10);
}


/* ── 12. Blockquotes ────────────────────────────────────────── */
.md-typeset blockquote {
  border-left: 3px solid var(--md-primary-fg-color);
  background: var(--ga-glow);
  border-radius: 0 var(--ga-radius) var(--ga-radius) 0;
  padding: 0.8rem 1.2rem;
}


/* ── 13. Horizontal rules ───────────────────────────────────── */
.md-typeset hr {
  border: none;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.06) 20%,
    rgba(255, 255, 255, 0.06) 80%,
    transparent
  );
  margin: 2.5rem 0;
}


/* ── 14. Header & footer ────────────────────────────────────── */
.md-header {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.md-footer {
  background: hsl(228, 16%, 8%);
}


/* ── 15. Scroll-to-top ──────────────────────────────────────── */
.md-top {
  background-color: var(--md-primary-fg-color);
  color: white;
}


/* ── 16. Search highlight ───────────────────────────────────── */
.md-search-result mark {
  background: var(--ga-glow-hover);
  color: inherit;
  border-radius: 2px;
  padding: 0 2px;
}


/* ── 17. Page fade-in ───────────────────────────────────────── */
.md-content {
  animation: fadeUp 0.25s ease-out;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}


/* ── 18. Mobile ─────────────────────────────────────────────── */
@media (max-width: 960px) {
  .md-typeset .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .md-typeset .hero-banner {
    padding: 2rem 1.5rem;
  }

  .md-typeset .hero-banner h1 {
    font-size: 1.6rem;
  }

  .md-typeset .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .md-typeset .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .md-typeset .card-grid {
    grid-template-columns: 1fr;
  }

  .md-typeset .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .md-typeset .hero-banner h1 {
    font-size: 1.4rem;
  }
}