/* Shared atmosphere + chrome. No layout rewrites. */
[data-theme="dark"] {
  --bg-color: #08070b;
  --text-secondary: #9a94a8;
  --text-muted: #8a8496;
}

body {
  background:
    radial-gradient(ellipse 90% 55% at 50% -8%, rgba(155, 95, 255, 0.22) 0%, transparent 58%),
    radial-gradient(ellipse 50% 40% at 100% 100%, rgba(232, 77, 127, 0.08) 0%, transparent 55%),
    var(--bg-color);
}
[data-theme="light"] body {
  background:
    radial-gradient(ellipse 90% 55% at 50% -8%, rgba(123, 63, 228, 0.12) 0%, transparent 58%),
    radial-gradient(ellipse 50% 40% at 100% 100%, rgba(232, 77, 127, 0.06) 0%, transparent 55%),
    var(--bg-color);
}

.page-title {
  letter-spacing: -0.045em;
  background: linear-gradient(120deg, #c9b4ff 0%, var(--text-color) 42%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
[data-theme="light"] .page-title {
  background: linear-gradient(120deg, #7B3FE4 0%, #1a1a1a 55%, #6930c3 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.glass-bar {
  background: color-mix(in srgb, var(--bg-color) 62%, transparent);
  border-bottom: 1px solid var(--surface-border);
  backdrop-filter: blur(20px) saturate(170%);
  -webkit-backdrop-filter: blur(20px) saturate(170%);
}

.subnav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.subnav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 12.5px;
  font-weight: 600;
  padding: 6px 11px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.subnav a:hover {
  color: var(--text-color);
  background: var(--surface);
}
.subnav a[aria-current="page"] {
  color: var(--text-color);
  background: rgba(155, 95, 255, 0.14);
  border-color: rgba(176, 128, 255, 0.35);
}
@media (max-width: 560px) {
  .subnav { display: none; }
}