:root{--app-bg: #f4f4f5;--app-surface: #ffffff;--app-surface-muted: #f1f1f2;--app-text: #18181b;--app-muted: #52525b;--app-border: #d4d4d8;--app-primary: #27272a;--app-primary-hover: #18181b;--app-primary-contrast: #ffffff;--app-accent: #71717a;--app-accent-muted: #e4e4e7;--app-danger: #3f3f46;--app-radius-sm: 6px;--app-radius-md: 8px;--app-shadow-sm: 0 1px 2px rgba(0, 0, 0, .05)}html,body{margin:0;min-height:100%;height:100%;font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--app-text);background:var(--app-bg)}chat-root{display:block;min-height:100vh}*{box-sizing:border-box}