:root{color-scheme:light;--color-page-bg: #f5f6f8;--color-surface: #fff;--color-border: #e0e3e8;--color-text: #212121;--color-text-secondary: #555;--color-text-muted: #6b7280;--color-sidebar-bg: #1e293b;--color-sidebar-bg-deep: #0f172a;--color-sidebar-hover: #334155;--color-sidebar-border: #334155;--color-sidebar-text: #cbd5e1;--color-sidebar-text-strong: #fff;--color-sidebar-text-muted: #94a3b8;--color-accent: #4caf50;--color-live: #d32f2f;--color-danger: #d32f2f;--color-danger-hover: #c62828;--color-focus-ring: #1565c0;--color-focus-ring-on-dark: #fff}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Hiragino Sans,Yu Gothic,sans-serif;background:var(--color-page-bg);color:var(--color-text)}