.event-tab{background:white;color:#4b5563;border:2px solid #e5e7eb;box-shadow:0 1px 3px rgba(0,0,0,0.1)}.event-tab:hover{border-color:#6366f1;color:#4f46e5}.event-tab.active{background:linear-gradient(135deg,#4f46e5 0%,#7c3aed 100%);color:white;border-color:transparent;box-shadow:0 4px 15px rgba(79,70,229,0.4)}.event-panel{display:none;animation:fadeIn 0.4s ease-out}.event-panel.active{display:block}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.feature-row{opacity:0;transform:translateY(30px);transition:opacity 0.6s ease-out,transform 0.6s ease-out}.feature-row.visible{opacity:1;transform:translateY(0)}