:root{--bg-main:#0b1f33;--bg-panel:#1a3550;--bg-field:#f4f8fc;--card-bg:#fff;--card-border:#d9e5f0;--text-primary:#17212b;--text-secondary:#526273;--text-on-brand:#fff;--text-on-brand-muted:#a9c1d6;--accent:#1683ff;--accent-hover:#40a3ff;--success:#16a34a;--error:#dc3545;--warning:#b45309;--button-unregistered:#f0787f;--button-unregistered-hover:#f5989d}*{box-sizing:border-box}body{background:var(--bg-field);color:var(--text-primary);margin:0;font-family:Segoe UI,system-ui,sans-serif}button{cursor:pointer;border:none;border-radius:6px;font-family:inherit}input{font-family:inherit}