@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap");:root{--bg-primary:#0a0e17;--bg-secondary:#111827;--bg-tertiary:#1a2332;--bg-chat-user:linear-gradient(135deg,#3b82f6,#8b5cf6);--bg-chat-ai:#1e293b;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--accent-primary:#60a5fa;--accent-secondary:#a78bfa;--accent-gradient:linear-gradient(135deg,#60a5fa,#a78bfa 50%,#f472b6);--border-color:rgba(148,163,184,.1);--border-glow:rgba(96,165,250,.3);--shadow-soft:0 4px 20px rgba(0,0,0,.3);--shadow-glow:0 0 30px rgba(96,165,250,.15);--radius-sm:8px;--radius-md:12px;--radius-lg:20px;--radius-full:9999px}*{box-sizing:border-box;padding:0;margin:0}body,html{max-width:100vw;overflow-x:hidden;font-family:Noto Sans SC,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-primary);color:var(--text-primary)}body{min-height:100vh;background:radial-gradient(ellipse at 20% 0,rgba(96,165,250,.08) 0,transparent 50%),radial-gradient(ellipse at 80% 100%,rgba(167,139,250,.08) 0,transparent 50%),var(--bg-primary)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}::selection{background:rgba(96,165,250,.3);color:var(--text-primary)}code,pre{font-family:JetBrains Mono,monospace}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.animate-fade-in{animation:fadeIn .4s ease-out forwards}.animate-pulse{animation:pulse 1.5s ease-in-out infinite}