:root {
  color-scheme: dark;
  --bg: #0f1014;
  --panel: #181a20;
  --text: #f5f7fb;
  --muted: #aeb4c0;
  --accent: #9c8cff;
  --border: #30333d;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); line-height: 1.55; }
a { color: inherit; }
.do-shell { width: min(1120px, calc(100% - 32px)); margin: 0 auto; padding: 40px 0 72px; }
.do-header { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 40px; }
.do-brand { font-weight: 800; text-decoration: none; }
.do-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; }
.do-card { display: block; padding: 22px; border: 1px solid var(--border); border-radius: 18px; background: var(--panel); text-decoration: none; }
.do-card:hover { border-color: var(--accent); transform: translateY(-1px); }
.do-muted { color: var(--muted); }
.do-button { display: inline-flex; padding: 11px 16px; border-radius: 999px; background: var(--accent); color: #11121a; font-weight: 750; text-decoration: none; }
.do-ad { min-height: 0; margin: 24px 0; }
.do-ad[hidden] { display: none; }

/* Shared network navigation used by every Digital Opus hub. */
.do-network-bar {
  position: relative;
  z-index: 90;
  width: 100%;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 76%, transparent);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}
.do-network-inner {
  width: min(1180px, calc(100% - 48px));
  min-height: 48px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}
.do-network-logo {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: .62rem;
  color: var(--text);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: -.01em;
  text-decoration: none;
}
.do-network-logo-mark {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent-two, var(--accent)));
  color: var(--bg);
  font-size: .57rem;
  font-weight: 950;
  letter-spacing: .07em;
  box-shadow: 0 7px 22px color-mix(in srgb, var(--accent) 18%, transparent);
}
.do-network-links {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: .18rem;
}
.do-network-toggle {
  display: none;
  min-height: 40px;
  padding: .45rem .75rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel);
  color: var(--text);
  font: inherit;
  font-size: .78rem;
  font-weight: 800;
}
.do-network-links a {
  padding: .42rem .68rem;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--muted);
  font-size: .73rem;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}
.do-network-links a:hover {
  border-color: var(--border);
  color: var(--text);
  background: color-mix(in srgb, var(--panel) 78%, transparent);
}
.do-network-links a[aria-current="page"] {
  border-color: color-mix(in srgb, var(--accent) 32%, var(--border));
  background: color-mix(in srgb, var(--accent) 11%, transparent);
  color: var(--text);
}
.do-network-bar + .network-nav { display: none; }

@media (max-width: 760px) {
  .do-network-inner {
    width: 100%;
    min-height: auto;
    padding: .58rem 14px .64rem;
    display: grid;
    grid-template-columns: 1fr auto;
  }
  .do-network-logo { margin: 0; }
  .do-network-toggle { display: inline-flex; align-items: center; }
  .do-network-links {
    grid-column: 1 / -1;
    display: none;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: .2rem;
    padding-top: .55rem;
  }
  .do-network-links.is-open { display: flex; }
  .do-network-links a { min-height: 40px; padding: .65rem .7rem; }
}
@media (max-width: 640px) {
  .do-shell { width: min(100% - 22px, 1120px); padding-top: 24px; }
  .do-header { align-items: flex-start; flex-direction: column; }
}