.sb-events-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}
.sb-card{border:1px solid #eee;padding:12px;border-radius:6px}
.sb-event .sb-register-form{display:flex;gap:8px;flex-wrap:wrap}
.sb-register-form input{flex:1;padding:8px;border:1px solid #ddd}
.sb-register-btn{background:#cf2e2e;color:#fff;border:none;padding:8px 12px;border-radius:4px;cursor:pointer}