:root{--fg: 255, 255, 255;--bg-app: #212121;--bg-surface: #181818;--bg-paper: #262626;--bg-elevated: #2b2b2b;--bg-deep: #141414;--bg-tooltip: #2f2f2f;--text-primary: #ececec;--text-secondary: #9b9b96}body.theme-light{--fg: 0, 0, 0;--bg-app: #f8fafc;--bg-surface: #ffffff;--bg-paper: #ffffff;--bg-elevated: #ffffff;--bg-deep: #f1f5f9;--bg-tooltip: #1e293b;--text-primary: #0f172a;--text-secondary: #475569}body{background:var(--bg-app)}