:root[data-theme=dark]{--bg: #0a0e1a;--sidebar: #0d1220;--card: #0d1220;--border: #1e2840;--text: #e0e6f0;--subtext: #8899bb;--muted: #4a6080;--input-bg: #060a14;--hover: #162035;--accent: #4f9eff;--success: #00d084;--danger: #ff4444;--warning: #f7c948;--purple: #b388ff}:root[data-theme=light]{--bg: #f0f4f8;--sidebar: #ffffff;--card: #ffffff;--border: #e2e8f0;--text: #1a202c;--subtext: #4a5568;--muted: #a0aec0;--input-bg: #f7fafc;--hover: #edf2f7;--accent: #3182ce;--success: #38a169;--danger: #e53e3e;--warning: #d69e2e;--purple: #805ad5}*{transition:background-color .2s,color .2s,border-color .2s}