:root{--bg:#f0f0f5;--surface:#fff;--surface-hover:#e8e8ef;--text:#343b58;--text-secondary:#4c5478;--text-muted:#9099b0;--border:#d5d6e2;--border-hover:#b0b2c4;--accent:#7a5af5;--accent-hover:#6340db;--accent-subtle:#f0ecfe;--accent-border:#c4b5fd;--accent-muted:#a78bfa;--success:#41a87a;--error-bg:#fce8ec;--error-text:#e04071} html.dark{--bg:#1a1b26;--surface:#24283b;--surface-hover:#2f3349;--text:#a9b1d6;--text-secondary:#c0caf5;--text-muted:#565f89;--border:#2f3349;--border-hover:#414868;--accent:#7aa2f7;--accent-hover:#89b4fa;--accent-subtle:rgba(122,162,247,0.1);--accent-border:rgba(122,162,247,0.25);--accent-muted:#3d59a1;--success:#9ece6a;--error-bg:rgba(247,118,142,0.1);--error-text:#f7768e}