:root{--bg-primary:#fff;--bg-secondary:#f9fafb;--bg-tertiary:#f3f4f6;--text-primary:#111827;--text-secondary:#6b7280;--text-muted:#9ca3af;--accent-blue:#3b82f6;--accent-blue-hover:#2563eb;--accent-red:#ef4444;--accent-red-hover:#dc2626;--accent-green:#10b981;--accent-yellow:#f59e0b;--border:#e5e7eb;--border-light:#f3f4f6;--shadow-sm:0 1px 2px 0 #0000000d;--shadow:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a}*{box-sizing:border-box;margin:0;padding:0}html{-webkit-tap-highlight-color:transparent;touch-action:manipulation}body{background:var(--bg-secondary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.5}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}button{-webkit-user-select:none;user-select:none;touch-action:manipulation;font-family:inherit}button:active{transform:scale(.97)}