/* Brand tokens for Material custom palette */
[data-md-color-scheme="default"] {
  --md-default-bg-color: #f6f8fc;
  --md-default-bg-color--light: #fbfcff;
  --surface-elevated: rgba(255, 255, 255, 0.9);
  --surface-border: rgba(63, 81, 181, 0.18);
  --text-muted: #4f5878;
  --copy-page-bg: #eef2ff;
  --copy-page-fg: #23306f;
  --copy-page-border: rgba(63, 81, 181, 0.24);
  --copy-page-hover-bg: #3f51b5;
  --copy-page-hover-fg: #ffffff;
}

[data-md-color-scheme="slate"] {
  --surface-elevated: rgba(24, 31, 49, 0.86);
  --surface-border: rgba(145, 158, 255, 0.23);
  --text-muted: #b9c3e1;
  --copy-page-bg: #1f2842;
  --copy-page-fg: #d6e0ff;
  --copy-page-border: rgba(145, 158, 255, 0.28);
  --copy-page-hover-bg: #5b6cd8;
  --copy-page-hover-fg: #ffffff;
}

:root {
  --radius-lg: 0.9rem;
  --radius-md: 0.7rem;
  --shadow-soft: 0 10px 28px rgba(20, 27, 45, 0.12);
}

.md-header {
  backdrop-filter: blur(8px);
  background: linear-gradient(
    100deg,
    var(--md-primary-fg-color),
    var(--md-primary-fg-color--dark)
  );
}

.md-tabs {
  background: color-mix(in srgb, var(--md-primary-fg-color--dark) 88%, black);
}

.md-typeset h1.hero-title {
  margin-bottom: 0.4rem;
  font-size: clamp(1.9rem, 3.6vw, 2.7rem);
  letter-spacing: -0.03em;
}

.hero-min {
  margin: 0 0 1.5rem;
  max-width: 64ch;
}

.hero-subtitle {
  margin: 0 0 1rem;
  max-width: 60ch;
  font-size: 1.02rem;
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  margin: 1rem 0 2rem;
}

.feature-card {
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  padding: 1rem 1rem 0.9rem;
  background: var(--surface-elevated);
  box-shadow: var(--shadow-soft);
}

.feature-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
}

.feature-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.md-typeset .md-button--primary {
  border-radius: 0.7rem;
}

.md-typeset .md-button {
  border-radius: 0.7rem;
}

.md-typeset pre > code {
  border-radius: var(--radius-md);
}

/* Hide code-level copy-to-LLM controls; keep top page controls */
.copy-to-llm-code {
  display: none !important;
}

.copy-to-llm-split-container {
  border: 1px solid var(--copy-page-border) !important;
  border-radius: 0.7rem !important;
  background: var(--copy-page-bg);
  box-shadow: var(--shadow-soft);
}

.copy-to-llm-left.copy-to-llm-section {
  border-radius: 0.7rem 0 0 0.7rem !important;
  border-right: 1px solid var(--copy-page-border) !important;
  background: var(--copy-page-bg) !important;
  color: var(--copy-page-fg) !important;
  font-weight: 600;
}

.copy-to-llm-right.copy-to-llm-section {
  border-radius: 0 0.7rem 0.7rem 0 !important;
  background: var(--copy-page-bg) !important;
  color: var(--copy-page-fg) !important;
}

.copy-to-llm-left.copy-to-llm-section:hover,
.copy-to-llm-right.copy-to-llm-section:hover,
.copy-to-llm-left.copy-to-llm-section:focus-visible {
  background: var(--copy-page-hover-bg) !important;
  color: var(--copy-page-hover-fg) !important;
}

.copy-to-llm-right.copy-to-llm-section:focus-visible {
  background: var(--copy-page-hover-bg) !important;
  color: var(--copy-page-hover-fg) !important;
}

.copy-to-llm-dropdown {
  background: var(--surface-elevated);
  border: 1px solid var(--copy-page-border);
  border-radius: 0.7rem;
}

.copy-to-llm-dropdown-item {
  color: var(--copy-page-fg);
}

.copy-to-llm-dropdown-item:hover {
  background: color-mix(in srgb, var(--copy-page-hover-bg) 18%, transparent);
}

@media (max-width: 900px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
}