:root{--bg-deep:#f8fafc;--bg-elevated:#ffffff;--accent-violet:#7c3aed;--accent-cyan:#0891b2;--accent-emerald:#059669;--text-primary:#0f172a;--text-muted:#64748b;--glass:rgba(255,255,255,0.85);--glass-border:rgba(15,23,42,0.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg-deep);color:var(--text-primary);-webkit-font-smoothing:antialiased}::selection{background:rgba(124,58,237,.2);color:#0f172a}.gradient-mesh{background:radial-gradient(ellipse 80% 50% at 50% -20%,rgba(124,58,237,.12),transparent),radial-gradient(ellipse 60% 40% at 100% 0,rgba(8,145,178,.08),transparent),radial-gradient(ellipse 50% 30% at 0 50%,rgba(5,150,105,.06),transparent);animation:gradient-shift 14s ease-in-out infinite alternate}@keyframes gradient-shift{0%{filter:hue-rotate(0deg)}to{filter:hue-rotate(8deg)}}.glass-panel{background:var(--glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);box-shadow:0 4px 24px rgba(15,23,42,.06)}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-12px)}}@keyframes pulse-glow{0%,to{opacity:.5}50%{opacity:1}}.cta-glow{box-shadow:0 0 0 0 rgba(124,58,237,.35);animation:cta-pulse 2.8s ease-in-out infinite}@keyframes cta-pulse{0%,to{box-shadow:0 0 0 0 rgba(124,58,237,.2)}50%{box-shadow:0 0 20px 4px rgba(124,58,237,.18)}}.chat-stream:after{content:"";display:inline-block;width:6px;height:14px;margin-left:4px;background:rgba(8,145,178,.7);border-radius:2px;vertical-align:text-bottom;animation:cursor-blink 1s step-end infinite}@keyframes cursor-blink{0%,to{opacity:1}50%{opacity:0}}