/* Minimal styling: navy for headings only, everything else default */
:root {
  --accent: #19376d;
}

/* Page titles: navy and large */
h1, .title {
  color: var(--accent);
}

/* Section headings: dark gray, smaller, with a hairline rule to separate levels clearly */
h2 {
  color: #333;
  font-size: 1.25rem;
  border-bottom: 1px solid #ddd;
  padding-bottom: 0.25rem;
  margin-top: 1.6rem;
}

h3 {
  color: #333;
  font-size: 1.05rem;
}

.paper-title {
  font-weight: 600;
}

.paper-note {
  color: #666;
  font-size: 0.9em;
}

.jmp {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9em;
}

details {
  margin: 0.3em 0 1.2em;
}

details summary {
  cursor: pointer;
  color: var(--accent);
  font-size: 0.9em;
}

details[open] summary {
  margin-bottom: 0.4em;
}