/* Root vars */
:root {
  --card-stage-gap: 80px;
  --stack-offset-x: 0px;
  --stack-offset-y: 0px;
}

body, html {
  margin: 0;
  padding: 0;
  background: #fdf6e3;
}

/* Hide wrapper when closed */
#pack-opener-wrapper.hidden {
  display: none !important;
}

/* Wrapper centering */
.pack-opener {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin: 2rem auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Controls */
.controls {
  text-align: center;
  margin-bottom: 1rem;
}
.controls label,
.controls button {
  font-size: 1rem;
  margin: 0 1rem;
  color: #333;
}
.controls button {
  background: #2a7f2a;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  color: #fff;
}

/* Stage & Containers */
.card-stage {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: var(--card-stage-gap);
  position: relative;
  min-height: 520px;
  padding-bottom: 140px;
}
.card-fan,
.card-stack {
  position: relative;
  width: 280px;
  min-height: 420px;
  perspective: 1200px;
}
.card-stack { pointer-events: none; }

/* Cards */
.card {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 280px;
  height: 420px;
  transform: translate(-50%, -50%);
  cursor: pointer;
}
.card-inner {
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.6s ease;
}
.card.flipped .card-inner {
  transform: rotateY(180deg);
}
.card-face {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3) !important;
}
.face-front { background: #222; }
.face-front img,
.face-back img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.face-back { transform: rotateY(180deg); }
.card.rare-placeholder .face-front img {
  filter: grayscale(80%) opacity(0.5);
}
.card.in-stack {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  cursor: default;
}

/* Mobile */
@media (max-width: 768px) {
  .card-stage {
    overflow-x: auto;
    padding: 1rem;
    -webkit-overflow-scrolling: touch;
  }
  .card-stage::-webkit-scrollbar { display: none; }
}
@media (max-width: 600px) {
  .card {
    width: 200px;
    height: 300px;
  }
  .info-overlay {
    width: 200px;
    bottom: -100px;
    left: 50%;
    transform: translateX(-50%);
  }
}

/* Info overlay */
.info-overlay {
  position: absolute;
  bottom: -30px;
  left: 50%;
  transform: translateX(-50%);
  width: 280px;
  background: rgba(255,255,255,0.9);
  padding: 1rem;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  text-align: left;
  z-index: 1000;
}
.info-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}
.info-overlay h3 {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  color: #222;
  white-space: nowrap;
}
.info-overlay #cardMeta {
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  color: #444;
}
.info-overlay #cardMeta img {
  width: 24px;
  vertical-align: middle;
  margin-left: 0.5rem;
}
.info-overlay p {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.3;
  color: #555;
  white-space: normal;
}