:root[data-theme=light]{--text:#04182f;--text-secondary:#556080;--background:#fefefe;--primary:#0e468b;--secondary:#5a4db7;--accent:#1e40af;--box-shadow:rgba(72,72,72,0.682);--input-border:#cfd8e3;--input-bg:#fff;--table-bg:#f9fbff;--error:#ef4444;--border-color:black}:root[data-theme=dark]{--text:#e0e6f0;--text-secondary:#a0aec0;--background:#121622;--primary:#60a5fa;--secondary:#3b82f6;--accent:#2563eb;--box-shadow:rgba(50,75,150,0.4);--input-border:#2a2f45;--input-bg:#1f2233;--table-bg:#1c2033;--error:#f87171;--border-color:white}*{transition:background-color .4s ease,color .4s ease;box-sizing:border-box}body,html{margin:0;padding:0;background-color:var(--background);color:var(--text);font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;-webkit-user-select:none;-moz-user-select:none;user-select:none}