/* 靛蓝书匣 — 靛蓝夜色 + 浅紫辉光 */
.theme-indigo {
  --bg: #0b0a18;
  --bg-elev: #15132a;
  --bg-soft: #1f1c3a;
  --ink: #eeeaff;
  --muted: #9690b8;
  --line: rgba(123,108,255, 0.12);
  --line-strong: rgba(123,108,255, 0.22);
  --accent: #7b6cff;
  --accent-2: #b5acff;
  --accent-ink: #120e2e;
  --font-display: "Josefin Sans", sans-serif;
  --font-body: "Lato", system-ui, sans-serif;
}
.theme-indigo .page-atmosphere {
  background:
    radial-gradient(780px 420px at 12% 0%, rgba(123,108,255,0.18), transparent 55%),
    radial-gradient(640px 360px at 92% 18%, rgba(123,108,255,0.1), transparent 50%),
    #0b0a18;
}
.theme-indigo .masthead-brand {
  background: linear-gradient(100deg, #eeeaff, #b5acff 55%, #7b6cff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.theme-indigo .btn-primary,
.theme-indigo .link-vip {
  background: linear-gradient(135deg, #b5acff, #7b6cff);
  color: #120e2e;
}
.theme-indigo .section-kicker { color: #b5acff; }
.theme-indigo .badge.paid { background: #7b6cff; color: #120e2e; }