.hdr {
  box-shadow: 0 1px 0 var(--hdr-border), 0 4px 24px rgba(0,0,0,0.3);
}

.hdr-icon {
  animation: float-icon 3s ease-in-out infinite;
  background: linear-gradient(135deg,#6366f1,#8b5cf6,#a78bfa);
  background-size: 200% 200%;
  animation: float-icon 3s ease-in-out infinite, gradient-shift 4s ease infinite;
}

.hdr-dot { animation: pulse-dot 2s ease-in-out infinite; }

.wrap { animation: fadeIn 0.4s ease; }

.tabs {
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  animation: fadeUp 0.4s ease 0.1s both;
}

.tab { position:relative; overflow:hidden; }

.tab::after {
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(255,255,255,0.1),transparent);
  opacity:0;
  transition:opacity 0.2s;
}

.tab:hover::after { opacity:1; }