/* ============================================================
   Pack opening animation shared by starter rewards and shop packs.
   ============================================================ */

.card-opening-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(5, 4, 10, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.card-opening-overlay.hidden {
  display: none;
}

.card-opening-panel {
  width: min(96vw, 980px);
  max-height: 92vh;
  overflow-y: auto;
  text-align: center;
  background: rgba(20, 16, 30, 0.96);
  border: 1px solid var(--gold);
  border-radius: 8px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.72), 0 0 40px rgba(232, 179, 79, 0.18);
  padding: 28px;
}

.card-opening-pack {
  display: grid;
  place-items: center;
  margin: 0 auto 14px;
  width: 128px;
  height: 172px;
  border-radius: 10px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(0, 0, 0, 0.18)),
    url("../art/reverse.webp") center / cover no-repeat;
  border: 2px solid var(--gold);
  box-shadow: 0 0 28px rgba(232, 179, 79, 0.38), inset 0 0 0 1px rgba(255, 255, 255, 0.12);
  transform: rotate(-4deg);
}

.card-opening-pack span {
  display: none;
}

.card-opening-overlay.revealing .card-opening-pack {
  animation: packPulse 760ms ease both;
}

.card-opening-panel h2 {
  font-family: "Cinzel", serif;
  color: var(--gold);
  margin: 0 0 6px;
}

.card-opening-panel p {
  color: var(--cream-dim);
  margin: 0 0 22px;
}

.card-opening-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.card-opening-card {
  position: relative;
  width: auto;
  min-width: 0;
  opacity: 0;
  transform: translateY(18px) scale(0.92) rotateY(72deg);
}

.card-opening-overlay.revealing .card-opening-card {
  animation: revealCard 560ms cubic-bezier(0.2, 0.8, 0.2, 1) var(--reveal-delay) forwards;
}

.card-opening-new {
  box-shadow: 0 0 0 1px var(--gold), 0 0 20px rgba(232, 179, 79, 0.45);
}

.card-opening-badge {
  position: absolute;
  top: 6px;
  right: 6px;
  min-height: 20px;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(8, 6, 15, 0.84);
  border: 1px solid var(--line);
  color: var(--cream);
  font-size: 10px;
  pointer-events: none;
}

@keyframes packPulse {
  0% { transform: rotate(-4deg) scale(1); filter: brightness(1); }
  48% { transform: rotate(2deg) scale(1.08); filter: brightness(1.35); }
  100% { transform: rotate(0deg) scale(0.96); filter: brightness(0.9); }
}

@keyframes revealCard {
  to {
    opacity: 1;
    transform: translateY(0) scale(1) rotateY(0deg);
  }
}

@media (max-width: 560px) {
  .card-opening-overlay {
    place-items: center;
    padding: 14px;
  }

  .card-opening-panel {
    width: min(94vw, 420px);
    max-height: min(88dvh, 720px);
    display: flex;
    flex-direction: column;
    padding: 14px;
    border-radius: 7px;
  }

  .card-opening-pack {
    width: 82px;
    height: 112px;
    margin-bottom: 8px;
    border-radius: 7px;
  }

  .card-opening-panel h2 {
    font-size: 18px;
    line-height: 1.1;
  }

  .card-opening-panel p {
    margin-bottom: 12px;
    font-size: 12px;
  }

  .card-opening-grid {
    grid-template-columns: repeat(auto-fit, minmax(82px, 1fr));
    gap: 8px;
    overflow-y: auto;
    max-height: min(46dvh, 360px);
    padding: 2px 2px 10px;
    margin-bottom: 12px;
  }

  .card-opening-card {
    border-width: 1px;
    border-radius: 7px;
  }

  .card-opening-card .card-footer {
    padding: 2px 3px 3px;
    gap: 2px;
  }

  .card-opening-card .card-name {
    font-size: clamp(7px, 2.45vw, 9px);
  }

  .card-opening-card .card-stat {
    font-size: clamp(8px, 2.65vw, 10px);
  }

  .card-opening-card .keyword-badge {
    width: 14px;
    height: 14px;
  }

  .card-opening-badge {
    top: 4px;
    right: 4px;
    min-height: 16px;
    padding: 2px 5px;
    font-size: 8px;
  }

  #btnCardOpeningDone {
    position: sticky;
    bottom: 0;
    margin-top: auto;
  }
}

@media (max-width: 380px) {
  .card-opening-grid {
    grid-template-columns: repeat(auto-fit, minmax(74px, 1fr));
    gap: 6px;
  }

  .card-opening-pack {
    width: 72px;
    height: 98px;
  }
}