:root {
  --mf-bg: #f6f3ee;
  --mf-paper: #f1ede7;
  --mf-text: #1c1c1c;
  --mf-muted: #57534e;
  --mf-accent: #2f3a8f;
  --mf-border: #d8d2c8;
}

html, body {
  background: var(--mf-bg) !important;
  color: var(--mf-text);
}

body {
  font-family: "Inter", Arial, sans-serif;
  line-height: 1.65;
}

h1, h2, h3, h4, h5 {
  font-family: "Crimson Text", "Times New Roman", serif;
  color: var(--mf-text);
}

a { color: var(--mf-accent); }

hr, .divider, .section-divider {
  border: 0;
  border-top: 1px solid var(--mf-border);
}

/* Remove dashboard/chrome feel in legacy Bootstrap-driven templates */
.panel, .panel-default, .card, .well, .jumbotron, .thumbnail,
.alert, .label, .badge {
  background: transparent !important;
  border: 1px solid var(--mf-border) !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  color: var(--mf-text) !important;
}

.btn, .btn-primary, .btn-default, .btn-info, .btn-success, .btn-warning {
  background: transparent !important;
  border: 1px solid var(--mf-border) !important;
  border-radius: 0 !important;
  color: var(--mf-text) !important;
  box-shadow: none !important;
}

pre, code {
  font-family: "JetBrains Mono", Consolas, monospace;
}

pre {
  background: #ebe6de !important;
  color: var(--mf-text) !important;
  border: 1px solid var(--mf-border) !important;
  border-radius: 0 !important;
  box-shadow: none !important;
}

pre code {
  color: var(--mf-text) !important;
  background: transparent !important;
}

/* ── Lesson static header (content pages) ── */
.lesson-static-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(246, 243, 238, 0.96);
  border-bottom: 1px solid var(--mf-border);
  font-family: "Inter", Arial, sans-serif;
}

.lesson-static-header-inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 1.5rem;
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.lesson-static-brand {
  font-family: "Crimson Text", "Times New Roman", serif;
  font-size: 1.15rem;
  color: var(--mf-text);
  text-decoration: none;
  white-space: nowrap;
}

.lesson-static-brand:hover {
  color: var(--mf-accent);
}

.lesson-static-links {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.lesson-static-links a {
  color: var(--mf-muted);
  text-decoration: none;
  font-size: 0.85rem;
  padding: 0.15rem 0;
  border-bottom: 1px solid transparent;
  white-space: nowrap;
}

.lesson-static-links a:hover,
.lesson-static-links a:focus-visible {
  color: var(--mf-accent);
  border-bottom-color: var(--mf-accent);
}

.lesson-static-links a[aria-current="page"] {
  color: var(--mf-accent);
  border-bottom-color: var(--mf-accent);
}

.lesson-menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--mf-border);
  padding: 0.25rem 0.5rem;
  font-size: 1.1rem;
  cursor: pointer;
  color: var(--mf-text);
}

/* When the static header is present, push body content below it */
body.has-static-header .navbar.navbar-fixed-top {
  display: none !important;
}

@media (max-width: 600px) {
  .lesson-static-links a {
    font-size: 0.78rem;
    padding: 0.3rem 0;
  }
  .lesson-static-header-inner {
    flex-wrap: wrap;
    padding: 0.5rem 1rem;
    min-height: auto;
  }
  .lesson-static-brand {
    font-size: 1rem;
  }
  .lesson-static-links {
    gap: 0.6rem;
  }
}