:root {
  --cb-primary: #1f6feb; /* Metallic blue */
  --cb-paper: #0b0f17;
  --cb-ink: #e6f1ff;
  --cb-surface: #0f1522;
  --cb-muted: #8aa2c1;
  --cb-hair: rgba(255,255,255,0.12);
  --cb-shadow: rgba(0,0,0,0.45);
  --cb-radius-s: 6px;
  --cb-radius-m: 10px;
  --cb-radius-l: 18px;
  --cb-space-1: 8px;
  --cb-space-2: 12px;
  --cb-space-3: 18px;
  --cb-space-4: 24px;
  --cb-space-5: 32px;
  --cb-space-6: 48px;
  --cb-maxw: 1140px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--cb-paper);
  color: var(--cb-ink);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
}

body::before {
  /* Circuit gridlines background */
  content: "";
  position: fixed; inset: 0;
  background:
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px) 0 0/48px 48px,
    linear-gradient(0deg, rgba(255,255,255,0.04) 1px, transparent 1px) 0 0/48px 48px,
    radial-gradient(circle at 24px 24px, rgba(31,111,235,0.15), transparent 40px);
  pointer-events: none;
  z-index: 0;
}

.cb-shell {
  max-width: var(--cb-maxw);
  margin: 0 auto;
  padding: var(--cb-space-5) var(--cb-space-4);
  position: relative; z-index: 1;
}

.cb-header {
  display: grid; grid-template-columns: 1fr auto;
  gap: var(--cb-space-3);
  align-items: center;
  padding-bottom: var(--cb-space-3);
  border-bottom: 1px solid var(--cb-hair);
}
.cb-brand {
  display: flex; gap: var(--cb-space-3); align-items: center;
}
.cb-brand img { height: 36px; width: auto; image-rendering: crisp-edges; }
.cb-brand-name { font-weight: 700; letter-spacing: .2px; }

.cb-nav { justify-self: end; }
.cb-nav-list {
  display: flex; gap: var(--cb-space-2); list-style: none; margin: 0; padding: 0;
}
.cb-nav-link a {
  display: inline-block;
  padding: 10px 14px;
  border: 1px solid var(--cb-hair);
  border-radius: var(--cb-radius-s);
  background: linear-gradient(180deg, rgba(31,111,235,0.12), rgba(31,111,235,0.04));
  color: var(--cb-ink);
  text-decoration: none;
  transition: background .2s ease, transform .15s ease;
}
.cb-nav-link a:hover {
  background: rgba(31,111,235,0.25);
  transform: translateY(-1px);
}
.cb-nav-link a[aria-current="page"] {
  background: rgba(31,111,235,0.4);
}

.cb-hero { 
  margin: var(--cb-space-4) 0 var(--cb-space-5);
  border: 1px solid var(--cb-hair);
  border-radius: var(--cb-radius-l);
  overflow: hidden;
  box-shadow: 0 10px 24px var(--cb-shadow);
  background: var(--cb-surface);
}
.cb-hero img {
  display: block; width: 100%; height: auto; max-height: 46vh; object-fit: cover;
}
.cb-hero figcaption {
  padding: 10px 14px; font-size: .9rem; color: var(--cb-muted);
  border-top: 1px solid var(--cb-hair);
}

.cb-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--cb-space-5);
}
.cb-aside {
  position: sticky; top: 16px;
  align-self: start;
  padding: var(--cb-space-3);
  border: 1px solid var(--cb-hair);
  border-radius: var(--cb-radius-m);
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.0));
}
.cb-aside h2 { margin-top: 0; font-size: 1.1rem; }
.cb-aside ul {
  list-style: none; margin: 0; padding: 0; display: grid; gap: 6px;
}
.cb-aside a {
  color: var(--cb-muted); text-decoration: none; border-bottom: 1px dotted var(--cb-hair);
}
.cb-aside a:hover { color: var(--cb-ink); }

.cb-article { 
  padding: var(--cb-space-3);
  border: 1px solid var(--cb-hair);
  border-radius: var(--cb-radius-m);
  background: rgba(14, 20, 32, 0.55);
  box-shadow: 0 12px 30px -10px var(--cb-shadow);
}

.cb-dek { color: var(--cb-muted); margin-top: var(--cb-space-3); }

.cb-section { padding: var(--cb-space-4) 0; border-top: 1px solid var(--cb-hair); }
.cb-section:first-of-type { border-top: none; }
.cb-section h2 { margin-top: 0; letter-spacing: .2px; }
.cb-section h3 { color: var(--cb-muted); }

.cb-footer {
  margin-top: var(--cb-space-6);
  padding-top: var(--cb-space-3);
  border-top: 1px solid var(--cb-hair);
  color: var(--cb-muted);
  text-align: center;
}

article p,
section p,
main p,
p {
  text-align: justify !important;
  text-justify: inter-word !important;
  -webkit-hyphens: auto !important;
  -ms-hyphens: auto !important;
  hyphens: auto !important;
}

img { pointer-events: none; }

/* Back to top button (namespaced) */
.cb-to-top{
  position: fixed;
  right: 18px; bottom: 18px;
  width: 42px; height: 42px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.25);
  background: var(--cb-primary);
  color: #111;
  font: 600 18px/42px system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  text-align: center;
  cursor: pointer;
  opacity: 0; transform: translateY(10px); pointer-events: none;
  transition: opacity .25s ease, transform .25s ease, background .2s ease;
  z-index: 60;
}
.cb-to-top:hover{ background: #fff; }
.cb-to-top.cb-show{ opacity: 1; transform: translateY(0); pointer-events: auto; }
@media (prefers-reduced-motion: reduce){ .cb-to-top{ transition: none; } }

/* --- Final Footer Refinement (BioFrontiers Theme / CircuitBlue Harmonization) --- */

/* Override global justification for the footer */
.cb-footer,
.cb-footer * {
  text-align: center !important;
}

/* Footer layout: unified column structure */
.cb-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: var(--cb-space-5);
  padding-bottom: var(--cb-space-5);
  background: var(--cb-surface);
  border-top: 1px solid var(--cb-hair);
  color: var(--cb-muted);
  box-shadow: 0 -4px 24px rgba(0,0,0,0.4) inset;
}

/* Metrolagu Network (BioFrontiers palette) */
.metrolagu-network {
  background: none;
  color: var(--cb-ink);
  padding: var(--cb-space-4) 0;
}

.network-container {
  max-width: var(--cb-maxw);
  margin: 0 auto;
  padding: 0 var(--cb-space-3);
}

.metrolagu-network h3 {
  font-size: 1.15em;
  margin-bottom: var(--cb-space-1);
  color: #1f6feb; /* Color */
  font-weight: 600;
  text-align: center;
  text-shadow: 0 0 4px rgba(127,207,166,0.25);
}

.metrolagu-network p {
  color: var(--cb-muted);
  margin-bottom: 10px;
  line-height: 1.7;
  text-align: center;
}

/* Network links */
.network-links {
  text-align: center;
}

.network-links a {
  color: var(--cb-ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  transition: color 0.3s ease, border-color 0.3s ease, opacity 0.3s ease;
}

.network-links a:hover {
  color: #7FCFA6;
  border-bottom-color: #7FCFA6;
  opacity: 0.85;
}

/* Copyright pill refinement */
.site-footer .copyright,
.cb-footer .copyright {
  display: inline-block;
  margin: 18px auto 6px auto;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.4px;
  color: var(--cb-ink);
  background: rgba(17,22,27,0.8);
  padding: 8px 22px;
  border: 1.5px solid rgba(255,255,255,0.12);
  border-radius: 999px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.5);
  transition: all 0.3s ease;
}

/* Hover tone: subtle metallic shimmer */
.cb-footer .copyright:hover {
  background: rgba(31,111,235,0.15);
  color: var(--cb-ink);
  border-color: rgba(31,111,235,0.35);
  box-shadow: 0 3px 18px rgba(31,111,235,0.25);
  transform: translateY(-1px);
}

/* Link consistency within copyright */
.cb-footer .copyright a {
  color: inherit !important;
  text-decoration: none !important;
  transition: opacity 0.3s ease;
}