*{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary: #0f1115;--bg-secondary: #141720;--bg-tertiary: #1a1d28;--bg-elevated: #1e2230;--border-primary: #232634;--border-secondary: #2b3350;--text-primary: #e6e6e6;--text-secondary: #9aa0a6;--text-muted: #6b7280;--accent-primary: #4f7cff;--accent-hover: #5a88ff;--success: #1e3d2e;--success-text: #98f79b;--danger: #3d1e1e;--danger-text: #ff6b6b;--message-user: #1e2a3a;--message-user-text: #cfe8ff;--message-other: #262626;--message-system: #333}html,body,#root{height:100%;margin:0;overflow:hidden}body{background:var(--bg-primary);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica 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