:root{color-scheme:dark light;--fg: #f5f5f5;--bg: #0a0a12;--card: #14141f;--muted: #9ca3af;--accent: #8B5CF6;--accent-2: #6366F1;--border: #23232f}@media(prefers-color-scheme:light){:root{--fg: #111;--bg: #fafafa;--card: #fff;--muted: #555;--border: #e5e5e5}}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,system-ui,sans-serif}.shell{max-width:64rem;margin:0 auto;padding:2rem 1.25rem}.topbar{display:flex;gap:1.5rem;align-items:center;padding:1rem 1.25rem;border-bottom:1px solid var(--border)}.topbar a{color:var(--fg);text-decoration:none}.topbar .brand{display:inline-flex;align-items:center;gap:.55rem;font-weight:700;font-size:1.05rem}.topbar .spacer{flex:1}.btn{display:inline-block;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;padding:.7rem 1.2rem;border-radius:.5rem;border:0;cursor:pointer;font-weight:600;text-decoration:none;box-shadow:0 6px 30px -8px var(--accent)}.btn.secondary{background:transparent;color:var(--fg);border:1px solid var(--border);box-shadow:none}.card{background:var(--card);border:1px solid var(--border);border-radius:.75rem;padding:1.25rem}.muted{color:var(--muted)}.stack>*+*{margin-top:1rem}.hero-logo{display:flex;justify-content:center;padding:1rem 0}.hero-logo img{width:96px;height:96px;filter:drop-shadow(0 0 40px rgba(139,92,246,.55))}