:root{--bg-primary:#090d16;--bg-secondary:#111827;--bg-card:#111827bf;--bg-card-hover:#1f2937d9;--border-color:#ffffff14;--border-accent:#10b9814d;--text-primary:#f9fafb;--text-secondary:#9ca3af;--text-muted:#6b7280;--accent-emerald:#10b981;--accent-emerald-hover:#059669;--accent-lime:#84cc16;--accent-teal:#14b8a6;--accent-gradient:linear-gradient(135deg, #10b981 0%, #059669 50%, #047857 100%);--glow-emerald:0 0 25px #10b98140;--radius-sm:8px;--radius-md:12px;--radius-lg:20px;--radius-full:9999px;--shadow-subtle:0 4px 20px #0000004d;--glass-backdrop:blur(12px)}.light-theme{--bg-primary:#f8fafc;--bg-secondary:#fff;--bg-card:#ffffffd9;--bg-card-hover:#f1f5f9;--border-color:#00000014;--border-accent:#10b98166;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#64748b;--shadow-subtle:0 4px 20px #0000000f}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.6;transition:background-color .3s,color .3s;overflow-x:hidden}h1,h2,h3,h4,h5,h6{color:var(--text-primary);font-family:Outfit,Inter,sans-serif;font-weight:700;line-height:1.25}a{color:var(--accent-emerald);text-decoration:none;transition:color .2s}a:hover{color:var(--accent-lime)}.container{width:100%;max-width:1240px;margin:0 auto;padding:0 1.5rem}.glass-card{background:var(--bg-card);-webkit-backdrop-filter:var(--glass-backdrop);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-subtle);transition:all .25s cubic-bezier(.16,1,.3,1)}.glass-card:hover{border-color:var(--border-accent)}.gradient-text{background:var(--accent-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.btn-primary{background:var(--accent-gradient);color:#fff;border-radius:var(--radius-sm);cursor:pointer;box-shadow:var(--glow-emerald);border:none;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-weight:600;transition:transform .2s,box-shadow .2s;display:inline-flex}.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 0 30px #10b98166}.btn-secondary{color:var(--text-primary);border-radius:var(--radius-sm);border:1px solid var(--border-color);cursor:pointer;background:#ffffff0d;align-items:center;gap:.5rem;padding:.75rem 1.25rem;font-weight:500;transition:all .2s;display:inline-flex}.btn-secondary:hover{border-color:var(--border-accent);background:#ffffff1a}.badge{text-transform:uppercase;letter-spacing:.05em;border-radius:var(--radius-full);align-items:center;gap:.35rem;padding:.25rem .65rem;font-size:.75rem;font-weight:600;display:inline-flex}.badge-emerald{color:#34d399;background:#10b98126;border:1px solid #10b9814d}.badge-lime{color:#a3e635;background:#84cc1626;border:1px solid #84cc164d}.badge-amber{color:#fbbf24;background:#f59e0b26;border:1px solid #f59e0b4d}.badge-blue{color:#60a5fa;background:#3b82f626;border:1px solid #3b82f64d}.grid-2{grid-template-columns:repeat(2,1fr);gap:1.5rem;display:grid}.grid-3{grid-template-columns:repeat(3,1fr);gap:1.5rem;display:grid}.grid-4{grid-template-columns:repeat(4,1fr);gap:1.5rem;display:grid}@media (width<=1024px){.grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}}@media (width<=768px){.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}}.direct-answer-box{border-left:4px solid var(--accent-emerald);border-radius:0 var(--radius-md) var(--radius-md) 0;background:linear-gradient(135deg,#10b9811a 0%,#064e3b26 100%);margin:1.5rem 0;padding:1.5rem}.direct-answer-box h3{color:var(--accent-emerald);align-items:center;gap:.5rem;margin-bottom:.5rem;font-size:1.1rem;display:flex}.progress-bar{background:var(--accent-gradient);z-index:1000;height:4px;transition:width .1s ease-out;position:fixed;top:0;left:0}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--accent-emerald)}.article-body{color:var(--text-primary);font-size:1.05rem;line-height:1.8}.article-body h2{color:var(--text-primary);border-bottom:1px solid var(--border-color);margin-top:2.25rem;margin-bottom:1rem;padding-bottom:.5rem;font-size:1.65rem}.article-body h3{color:var(--accent-emerald);margin-top:1.75rem;margin-bottom:.75rem;font-size:1.3rem}.article-body h4{margin-top:1.5rem;margin-bottom:.5rem;font-size:1.1rem}.article-body p{margin-bottom:1.25rem}.article-body ul,.article-body ol{flex-direction:column;gap:.5rem;margin:1.25rem 0;padding-left:1.75rem;display:flex}.article-body ul{list-style-type:disc}.article-body ol{list-style-type:decimal}.article-body li{line-height:1.7}.article-body li strong{color:var(--text-primary)}.article-body blockquote{border-left:4px solid var(--accent-emerald);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--text-primary);background:#10b98114;margin:1.5rem 0;padding:1rem 1.25rem;font-style:italic}.article-body hr{border:none;border-top:1px solid var(--border-color);margin:2.25rem 0}.article-body strong{color:var(--text-primary);font-weight:700}.article-body code{background:#ffffff14;border-radius:4px;padding:.2rem .4rem;font-size:.9em}