/* ── Design tokens ─────────────────────────────────────────────────────────── */
:root {
  --sidebar-bg:    #1e2d3d;
  --sidebar-text:  #cbd5e1;
  --accent:        #0ea5e9;
  --link:          #0284c7;
  --link-hover:    #0369a1;
  --body-text:     #374151;
  --heading:       #111827;
}

/* ── Base typography ───────────────────────────────────────────────────────── */
html {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
  color: var(--body-text);
  line-height: 1.65;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--heading);
  font-weight: 600;
  letter-spacing: -0.01em;
}

a {
  color: var(--link);
  text-decoration: none;
  text-underline-offset: 3px;
}
a:hover,
a:focus {
  color: var(--link-hover);
  text-decoration: underline;
}

/* ── Sidebar ───────────────────────────────────────────────────────────────── */
.sidebar {
  background-color: var(--sidebar-bg);
  color: var(--sidebar-text);
}

/* Override theme-base-07 with the slate colour */
.theme-base-07 .sidebar {
  background-color: var(--sidebar-bg);
}

.sidebar a {
  color: #fff;
  transition: color 0.2s ease;
}
.sidebar a:hover {
  color: var(--accent);
  text-decoration: none;
}

/* Profile image */
.sidebar-about .profile-picture {
  border-radius: 50%;
  border: 2px solid var(--accent);
  max-width: 8rem;
}

.sidebar-about h1 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
}

.sidebar-about .lead {
  color: var(--sidebar-text);
  font-size: 0.82rem;
  line-height: 1.55;
}

/* Nav links */
.sidebar-nav {
  padding-left: 0;
  list-style: none;
  margin-bottom: 1.2rem;
}
.sidebar-nav li a {
  display: block;
  padding: 0.22rem 0;
  color: var(--sidebar-text);
  transition: color 0.2s ease, padding-left 0.15s ease;
  font-size: 0.9rem;
}
.sidebar-nav li a:hover {
  color: #fff;
  padding-left: 0.35rem;
}

/* Social links */
.sidebar-social p {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 0;
}
.sidebar-social a {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--sidebar-text);
  font-size: 0.82rem;
}
.sidebar-social a:hover {
  color: #fff;
}
.sidebar-social br {
  display: none;
}

/* ── Content area link colour (override theme-base-07) ─────────────────────── */
.theme-base-07 .content a,
.theme-base-07 .related-posts li a:hover {
  color: var(--link);
}

/* ── Publications list ─────────────────────────────────────────────────────── */
.pub-list {
  padding-left: 1.8rem;
}
.pub-list li {
  padding: 0.55rem 0;
  border-bottom: 1px solid #f0f4f8;
  line-height: 1.6;
  font-size: 0.9rem;
  color: var(--body-text);
}
.pub-list li:last-child {
  border-bottom: none;
}