:root{--bg:#fafaf9;--surface:#fff;--text:#1a1a1a;--text-secondary:#6b7280;--text-muted:#9ca3af;--border:#e5e5e5;--border-light:#f0f0f0;--accent:#4f46e5;--accent-hover:#4338ca;--accent-light:#eef2ff;--danger:#dc2626;--danger-hover:#b91c1c;--success:#059669;--warning:#d97706;--font-serif:Georgia, "Noto Serif SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", serif}[data-theme=dark]{--bg:#171717;--surface:#1f1f1f;--text:#e5e5e5;--text-secondary:#9ca3af;--text-muted:#6b7280;--border:#262626;--border-light:#1f1f1f;--accent:#818cf8;--accent-hover:#a5b4fc;--accent-light:#1e1b4b;--danger:#f87171;--danger-hover:#fca5a5;--success:#34d399;--warning:#fbbf24}body{background:var(--bg);color:var(--text);font-family:var(--font-serif);-webkit-font-smoothing:antialiased;margin:0}a{color:var(--accent)}