:root{--bg-deep: #f4f7fa;--bg-mid: #eaf0f6;--bg-surface: #ffffff;--bg-surface-hover: #f0f4f8;--bg-input: #ffffff;--border-subtle: rgba(0, 0, 0, .08);--border-focus: #3b8fcc;--text-primary: #1a2b3c;--text-secondary: #4a6275;--text-muted: #8fa3b5;--text-accent: #2a7ab5;--accent: #3b8fcc;--accent-glow: rgba(59, 143, 204, .12);--accent-hover: #2a7ab5;--user-bubble: #3b8fcc;--user-bubble-border: rgba(59, 143, 204, .2);--assistant-bubble: #ffffff;--assistant-bubble-border: rgba(0, 0, 0, .08);--shadow-soft: 0 2px 12px rgba(0, 0, 0, .06);--shadow-glow: 0 0 30px rgba(59, 143, 204, .08);--radius-sm: 8px;--radius-md: 14px;--radius-lg: 20px;font-family:Outfit,sans-serif;line-height:1.6;font-weight:400;color:var(--text-primary);background-color:var(--bg-deep);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{margin:0;min-width:320px;min-height:100dvh;overflow:hidden;background:var(--bg-deep)}#root{width:100%;height:100dvh;display:flex}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}::selection{background:#3b8fcc33;color:var(--text-primary)}