:root {
  color-scheme: dark;
  --premium-glow: 0 0 34px rgba(155, 78, 255, .22);
}

html { scroll-behavior: smooth; }
body { text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; }

.header {
  backdrop-filter: blur(18px) saturate(135%);
  -webkit-backdrop-filter: blur(18px) saturate(135%);
  border-bottom: 1px solid rgba(255,255,255,.055);
}

.neon, .card, .price, .mini-panel {
  transform: translateZ(0);
  transition: transform .28s ease, border-color .28s ease, box-shadow .28s ease;
}
.neon:hover, .card:hover, .price:hover, .mini-panel:hover {
  transform: translateY(-3px);
  border-color: rgba(174, 104, 255, .34);
  box-shadow: var(--premium-glow);
}

.btn { transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0) scale(.985); }

:focus-visible {
  outline: 3px solid rgba(166, 95, 255, .72);
  outline-offset: 3px;
  border-radius: 8px;
}

.pwa-install {
  position: fixed;
  left: 20px;
  bottom: 20px;
  z-index: 80;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 10px 46px 10px 15px;
  color: #fff;
  background: rgba(18, 11, 31, .92);
  border: 1px solid rgba(169, 97, 255, .45);
  border-radius: 16px;
  box-shadow: 0 14px 48px rgba(0,0,0,.38), 0 0 26px rgba(151, 73, 255, .2);
  backdrop-filter: blur(14px);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}
.pwa-install[hidden] { display: none; }
.pwa-install__close {
  position: absolute;
  top: 5px;
  right: 6px;
  width: 28px;
  height: 28px;
  color: rgba(255,255,255,.72);
  background: transparent;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font-size: 20px;
}
.pwa-install__close:hover { background: rgba(255,255,255,.08); color: #fff; }

.is-offline::before {
  content: 'Sin conexión · mostrando contenido disponible';
  position: fixed;
  top: 0;
  left: 50%;
  z-index: 120;
  transform: translateX(-50%);
  padding: 7px 14px;
  color: #fff;
  background: #6d35b8;
  border-radius: 0 0 10px 10px;
  font-size: 12px;
  font-weight: 700;
}

@media (max-width: 720px) {
  .pwa-install { left: 12px; bottom: 12px; max-width: calc(100vw - 24px); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}