/* ── Versifai theme ─────────────────────────────────────────────────── */

:root {
  /* Blue header/nav bar */
  --md-primary-fg-color: #5a7fa3;
  --md-primary-fg-color--light: #6b8fb3;
  --md-primary-fg-color--dark: #4a6f93;
  --md-primary-bg-color: #ffffff;
  --md-primary-bg-color--light: #f7fafc;

  /* Blue accent for links, buttons, highlights */
  --md-accent-fg-color: #5a7fa3;
  --md-accent-fg-color--transparent: rgba(90, 127, 163, 0.1);

  /* Typeset link color */
  --md-typeset-a-color: #5a7fa3;
}

/* Hide site name text — the logo already contains the wordmark */
.md-header__topic {
  display: none;
}

/* Subtle bottom border on header for definition */
.md-header {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

/* Hide redundant site name at top of left sidebar */
.md-nav--primary > .md-nav__title {
  display: none;
}

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

/* ── Mermaid diagram expand-on-click ─────────────────────────────────── */

/* Make diagrams look clickable */
.mermaid,
pre.mermaid,
[class*="mermaid"] {
  cursor: zoom-in;
}

/* Fullscreen overlay */
.mermaid-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(255, 255, 255, 0.96);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
  padding: 48px;
  box-sizing: border-box;
}

.mermaid-overlay > svg {
  max-width: 90vw;
  max-height: 85vh;
  width: auto !important;
  height: auto !important;
  filter: drop-shadow(0 2px 12px rgba(0, 0, 0, 0.1));
}

.mermaid-overlay-close {
  position: absolute;
  top: 16px;
  right: 24px;
  font-size: 18px;
  color: #666;
  background: #f0f0f0;
  border: 1px solid #ddd;
  border-radius: 4px;
  padding: 4px 12px;
  cursor: pointer;
  font-family: sans-serif;
}

.mermaid-overlay-close:hover {
  background: #e0e0e0;
}