:root{--bg-primary: #0a0a0f;--bg-secondary: #151520;--bg-tertiary: #1a1a28;--bg-elevated: #252535;--accent-primary: #ff6b35;--accent-secondary: #ff8c5a;--accent-tertiary: #ff4d1a;--text-primary: #ffffff;--text-secondary: #b8b8c8;--text-muted: #888898;--border-color: #2a2a3a;--border-accent: #ff6b35;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--shadow-glow: 0 0 20px rgba(255, 107, 53, .3)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Inter,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--bg-primary);color:var(--text-primary);height:100vh;overflow:hidden}#root{height:100%;width:100%}.MathJax,.MathJax_CHTML,.MathJax_SVG{display:inline!important}mjx-container{display:inline-block!important}mjx-container mjx-math{letter-spacing:-.02em}mjx-mo{padding-left:.05em!important;padding-right:.05em!important}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--bg-elevated);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--accent-primary)}select option{background:var(--bg-elevated);color:var(--text-primary);padding:8px}select optgroup{background:var(--bg-secondary);color:var(--text-secondary);font-weight:600}