/* ==========================================================================
   card.css — animated product card + reward snackbar + animation states
   ========================================================================== */

.product-card {
  position: relative; display: flex;
  width: var(--card-width); max-width: 100%;
  padding: var(--card-padding);
  justify-content: center; align-items: center;
  gap: var(--card-gap);
  border-radius: var(--card-radius);
  border-bottom: var(--card-border-bottom) solid var(--card-border);
  background: linear-gradient(180deg, var(--card-grad-top) 0%, var(--card-grad-bottom) 100%);
  overflow: hidden; isolation: isolate;
  transition: width 0.4s var(--ease-out), padding 0.4s var(--ease-out);
}
.product-card::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 60% at 25% 80%, rgba(123,111,240,0.5) 0%, transparent 70%),
              radial-gradient(ellipse 60% 80% at 80% 0%, rgba(81,40,215,0.4) 0%, transparent 60%);
  mix-blend-mode: plus-lighter; opacity: 0.5;
  pointer-events: none; z-index: 0;
}

.product-card__media {
  position: relative; flex-shrink: 0;
  width: var(--card-img-size); height: var(--card-img-size);
  z-index: 1; display: flex; align-items: center; justify-content: center;
  transition: width 0.4s var(--ease-out), height 0.4s var(--ease-out);
}
.product-card__media img, .product-card__media > svg { width: 100%; height: 100%; object-fit: contain; }
.product-card__media img { filter: drop-shadow(0 8px 20px rgba(0,0,0,0.35)); }

.product-card__body {
  position: relative; display: flex; flex-direction: column;
  align-items: flex-start; gap: 12px; flex-shrink: 0; z-index: 1; min-width: 0;
}

.product-card__title { font-size: var(--card-title-fs); line-height: var(--card-title-lh); font-weight: var(--fw-semibold); color: #fff; white-space: nowrap; transition: font-size 0.4s var(--ease-out); }
.product-card__price { font-size: var(--card-price-fs); line-height: var(--card-price-lh); font-weight: var(--fw-semibold); color: #fff; white-space: nowrap; transition: font-size 0.4s var(--ease-out); }
.product-card__badge {
  display: inline-flex; align-items: center; justify-content: center;
  padding: var(--card-badge-py) var(--card-badge-px);
  font-size: var(--card-badge-fs); line-height: var(--card-badge-lh);
  font-weight: var(--fw-semibold); color: #fff;
  border: var(--card-badge-border) solid var(--border-positive);
  border-radius: var(--card-badge-radius); white-space: nowrap;
  transition: font-size 0.4s var(--ease-out), padding 0.4s var(--ease-out);
}

/* ---- Glowing reward snackbar ---- */
.product-card__reward {
  position: absolute; bottom: var(--card-snack-bottom); left: 50%;
  transform: translateX(-50%) translateY(10px);
  display: flex; align-items: center; gap: var(--card-snack-gap);
  padding: var(--card-snack-pad);
  background: rgba(45,18,130,0.88);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(113,70,255,0.45);
  border-radius: var(--card-snack-radius);
  font-size: var(--card-snack-fs); font-weight: var(--fw-semibold);
  color: #fff; white-space: nowrap; z-index: 3;
  box-shadow: 0 0 8px 2px rgba(83,39,220,0.6), 0 0 20px 6px rgba(83,39,220,0.35), 0 0 40px 12px rgba(83,39,220,0.15);
  opacity: 0;
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out), box-shadow 0.6s var(--ease-out);
}
.product-card__reward.is-visible {
  opacity: 1; transform: translateX(-50%) translateY(0);
  box-shadow: 0 0 10px 3px rgba(83,39,220,0.7), 0 0 24px 8px rgba(83,39,220,0.4), 0 0 48px 16px rgba(83,39,220,0.2), 0 0 80px 24px rgba(113,70,255,0.08);
  animation: glow 2s ease-in-out 0.5s infinite alternate;
}
@keyframes glow {
  0% { box-shadow: 0 0 10px 3px rgba(83,39,220,0.7), 0 0 24px 8px rgba(83,39,220,0.4), 0 0 48px 16px rgba(83,39,220,0.2), 0 0 80px 24px rgba(113,70,255,0.08); }
  100% { box-shadow: 0 0 14px 5px rgba(83,39,220,0.8), 0 0 30px 10px rgba(83,39,220,0.5), 0 0 56px 20px rgba(83,39,220,0.25), 0 0 90px 28px rgba(113,70,255,0.12); }
}
.product-card__reward__amount { color: var(--color-accent-green); font-weight: 700; }

/* ---- Animation states ---- */
.product-card__media { opacity: 0; transform: scale(0.85) translateY(12px); transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-spring), width 0.4s var(--ease-out), height 0.4s var(--ease-out); }
.product-card[data-state="product"] .product-card__media,
.product-card[data-state="purchased"] .product-card__media,
.product-card[data-state="reward"] .product-card__media { opacity: 1; transform: scale(1) translateY(0); }

.product-card__title, .product-card__price { opacity: 0; transform: translateY(10px); transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out); }
.product-card[data-state="product"] .product-card__title, .product-card[data-state="purchased"] .product-card__title, .product-card[data-state="reward"] .product-card__title { opacity: 1; transform: translateY(0); transition-delay: 0.2s; }
.product-card[data-state="product"] .product-card__price, .product-card[data-state="purchased"] .product-card__price, .product-card[data-state="reward"] .product-card__price { opacity: 1; transform: translateY(0); transition-delay: 0.35s; }

.product-card__badge { opacity: 0; transform: scale(0.8); transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-spring); }
.product-card[data-state="purchased"] .product-card__badge, .product-card[data-state="reward"] .product-card__badge { opacity: 1; transform: scale(1); transition-delay: 0.15s; }

/* Trade ticket sub-animations */
.ticket-row { opacity: 0; transform: translateY(6px); transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out); }
.product-card[data-state="product"] .ticket-r1, .product-card[data-state="purchased"] .ticket-r1, .product-card[data-state="reward"] .ticket-r1 { opacity: 1; transform: translateY(0); transition-delay: 0.1s; }
.product-card[data-state="product"] .ticket-r2, .product-card[data-state="purchased"] .ticket-r2, .product-card[data-state="reward"] .ticket-r2 { opacity: 1; transform: translateY(0); transition-delay: 0.3s; }
.product-card[data-state="product"] .ticket-r3, .product-card[data-state="purchased"] .ticket-r3, .product-card[data-state="reward"] .ticket-r3 { opacity: 1; transform: translateY(0); transition-delay: 0.5s; }

/* Referral sub-animations */
.ref-step { opacity: 0; transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-spring); }
.ref-step-1 { transform: scale(0.9) translateY(8px); }
.ref-step-2 { transform: scale(0.9) translateY(8px); }
.ref-step-3 { transform: scale(0.5); }
.product-card[data-state="product"] .ref-step-1 { opacity: 1; transform: scale(1) translateY(0); transition-delay: 0.15s; }
.product-card[data-ref="step2"] .ref-step-1 { opacity: 0; transform: scale(0.9) translateY(-8px); }
.product-card[data-ref="step2"] .ref-step-2 { opacity: 1; transform: scale(1) translateY(0); transition-delay: 0.1s; }
.product-card[data-state="purchased"] .ref-step-2, .product-card[data-state="reward"] .ref-step-2 { opacity: 1; transform: scale(1) translateY(0); }
.product-card[data-state="purchased"] .ref-step-1, .product-card[data-state="reward"] .ref-step-1 { opacity: 0; }
.product-card[data-state="reward"] .ref-step-3 { opacity: 1; transform: scale(1); transition-delay: 0.1s; }
@keyframes send-pulse { 0% { r: 5; opacity: 0.8; } 100% { r: 16; opacity: 0; } }
.send-ring { animation: send-pulse 1.5s ease-out 2s infinite; }

/* Sequence dots */
.seq-nav { display: flex; align-items: center; justify-content: center; gap: 8px; }
.seq-dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.2); border: 0; cursor: pointer; padding: 0; transition: background 0.3s var(--ease-out), transform 0.3s var(--ease-out); }
.seq-dot.is-active { background: var(--color-accent-green); transform: scale(1.3); }
.seq-dot:hover:not(.is-active) { background: rgba(255,255,255,0.4); }