/* Card rendering */
.card {
  width: 72px;
  height: 100px;
  border-radius: var(--card-radius, 8px);
  position: relative;
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  flex-shrink: 0;
  transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              box-shadow 0.2s,
              opacity 0.3s;
  will-change: transform;
}

.card-inner {
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: var(--card-bg, #fff);
  border: 1.5px solid var(--card-border, #d1d5db);
  box-shadow: 0 2px 6px var(--card-shadow, rgba(0,0,0,0.15));
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 5px;
  overflow: hidden;
  position: relative;
}

/* Face-down card */
.card.face-down .card-inner {
  background: var(--card-back-bg, #1e40af);
  background-image: var(--card-back-pattern, none);
  border-color: var(--card-back-border, #1e3a8a);
}
.card.face-down .card-corner,
.card.face-down .card-center-suit { display: none; }

/* Card corners */
.card-corner {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
}
.card-corner.bottom-right {
  align-self: flex-end;
  transform: rotate(180deg);
}
.card-rank {
  font-size: 0.85rem;
  font-weight: 700;
  font-family: var(--card-font, 'Segoe UI', system-ui, sans-serif);
}
.card-suit-symbol {
  font-size: 0.7rem;
}

/* Center suit display */
.card-center-suit {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.6rem;
}

/* Suit colors */
.card[data-suit="hearts"] .card-rank,
.card[data-suit="diamonds"] .card-rank,
.card[data-suit="hearts"] .card-suit-symbol,
.card[data-suit="diamonds"] .card-suit-symbol,
.card[data-suit="hearts"] .card-center-suit,
.card[data-suit="diamonds"] .card-center-suit {
  color: var(--card-red, #dc2626);
}
.card[data-suit="spades"] .card-rank,
.card[data-suit="clubs"] .card-rank,
.card[data-suit="spades"] .card-suit-symbol,
.card[data-suit="clubs"] .card-suit-symbol,
.card[data-suit="spades"] .card-center-suit,
.card[data-suit="clubs"] .card-center-suit {
  color: var(--card-black, #1f2937);
}

/* Selection & hover (human hand) */
#my-hand .card:hover {
  transform: translateY(-8px);
  z-index: 10;
}
#my-hand .card.selected {
  transform: translateY(-24px);
  box-shadow: 0 4px 20px var(--accent-glow);
}
#my-hand .card.selected .card-inner {
  border-color: var(--accent);
}

/* Opponent mini-cards */
.opp-hand .card {
  width: 36px;
  height: 50px;
  margin-left: -18px;
  cursor: default;
}
.opp-hand .card:first-child { margin-left: 0; }
.opp-hand .card .card-inner {
  padding: 2px;
}

/* Table cards (center) */
#table-center .card {
  width: 68px;
  height: 94px;
  cursor: default;
  margin: 0 -8px;
}

/* Hand card overlap */
#my-hand .card {
  margin-left: -16px;
}
#my-hand .card:first-child { margin-left: 0; }