:root{--bg-primary: #f5f7fa;--bg-secondary: #ffffff;--text-primary: #1a1a1a;--text-secondary: #4b5563;--text-muted: #6b7280;--border-color: #e1e5e9;--shadow-color: rgba(0, 0, 0, .08);--accent-primary: #3b82f6;--accent-secondary: #10b981;--gradient-start: #f5f7fa;--gradient-end: #c3cfe2}[data-theme=dark]{--bg-primary: #0f172a;--bg-secondary: #1e293b;--text-primary: #f8fafc;--text-secondary: #cbd5e1;--text-muted: #94a3b8;--border-color: #334155;--shadow-color: rgba(0, 0, 0, .3);--accent-primary: #60a5fa;--accent-secondary: #34d399;--gradient-start: #0f172a;--gradient-end: #1e293b}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6;color:var(--text-primary);background-color:var(--bg-primary)}#root{min-height:100vh;display:flex;flex-direction:column}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#f1f1f1;border-radius:4px}::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#a8a8a8}*:focus{outline:2px solid #3b82f6;outline-offset:2px}button:focus,input:focus,select:focus,textarea:focus{outline:none}*{transition:color .2s ease,background-color .2s ease,border-color .2s ease}