body.theme-aurora { background: radial-gradient(circle at 20% 20%, rgba(99,102,241,0.15), transparent 25%), radial-gradient(circle at 80% 0%, rgba(16,185,129,0.18), transparent 25%), #0f172a; color: #e2e8f0; }
.theme-aurora .site-header { background: linear-gradient(90deg, #0ea5e9, #6366f1); border-bottom: 1px solid rgba(255,255,255,0.08); }
.theme-aurora .brand-title, .theme-aurora .nav-links a { color: #e2e8f0; }
.theme-aurora .nav-links a:hover { color: #a5f3fc; }
.theme-aurora .section-head { border-bottom: 1px solid rgba(255,255,255,0.08); }
.theme-aurora .hero, .theme-aurora .article-card, .theme-aurora .quick-page-link { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); box-shadow: 0 20px 50px rgba(0,0,0,0.4); }
.theme-aurora .hero-title { color: #f8fafc; }
.theme-aurora .hero-description { color: #cbd5e1; }
.theme-aurora .hero-link, .theme-aurora .article-card a { color: #a5f3fc; }
.theme-aurora .tag-cloud a { background: rgba(99,102,241,0.12); border: 1px solid rgba(99,102,241,0.3); color: #c7d2fe; }
.theme-aurora .section-aurora { border-color: rgba(255,255,255,0.12); }