.sphereone-chat{--rail-w:72px;--radius:10px;--radius-lg:14px;font-family:var(--font-sans),ui-sans-serif,system-ui,-apple-system,sans-serif;color:var(--fg);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}.sphereone-chat ::-moz-selection{background:oklch(from var(--accent) l c h/.25)}.sphereone-chat ::selection{background:oklch(from var(--accent) l c h/.25)}.sphereone-chat .scroll{overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--border-strong) transparent}.sphereone-chat .scroll::-webkit-scrollbar{width:10px}.sphereone-chat .scroll::-webkit-scrollbar-thumb{background:var(--border-strong);border:3px solid var(--surface);border-radius:8px}.sphereone-chat .scroll::-webkit-scrollbar-track{background:transparent}