:root{--bg-primary: #1a1f2e;--bg-secondary: #242b3d;--bg-elevated: #2a3142;--bg-hover: #323a4f;--border-primary: #2d3548;--border-secondary: #3d4559;--border-focus: #4a9ff5;--text-primary: #ffffff;--text-secondary: #b8c1d3;--text-tertiary: #9299a8;--text-muted: #6b7280;--brand-blue: #4a9ff5;--brand-blue-hover: #3b8ee4;--brand-blue-active: #2d7dd3;--success: #22c55e;--danger: #ef4444;--warning: #fbbf24;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .2);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .2), 0 2px 4px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .3), 0 4px 6px -2px rgba(0, 0, 0, .15);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .3), 0 10px 10px -5px rgba(0, 0, 0, .2);--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px}*,*:before,*:after{box-sizing:border-box}html{font-size:16px;color-scheme:dark;scroll-behavior:smooth}@media (max-width: 1280px){html{font-size:15px}}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit;text-decoration:none}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-secondary);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}h1,h2,h3,h4{line-height:1.25}