:root{--color-bg: #fafafa;--color-surface: #ffffff;--color-text: #111111;--color-text-secondary: #6b7280;--color-listening: #2563eb;--color-processing: #d97706;--color-speaking: #059669;--color-accent: #111111;--color-accent-contrast: #ffffff;--color-error: #dc2626;--color-user-bubble: #e5e7eb;--color-assistant-bubble: #f3f4f6;--color-border: #e5e7eb;--z-footer: 20;--z-overlay: 200;color-scheme:light}:root[data-theme=dark]{--color-bg: #0b0b0c;--color-surface: #111214;--color-text: #f5f5f5;--color-text-secondary: #9ca3af;--color-accent: #f5f5f5;--color-accent-contrast: #111111;--color-user-bubble: #1f2937;--color-assistant-bubble: #18181b;--color-border: #27272a;--color-error: #ef4444;color-scheme:dark}@media(prefers-color-scheme:dark){:root:not([data-theme]){--color-bg: #0b0b0c;--color-surface: #111214;--color-text: #f5f5f5;--color-text-secondary: #9ca3af;--color-accent: #f5f5f5;--color-accent-contrast: #111111;--color-user-bubble: #1f2937;--color-assistant-bubble: 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