/* BIG SALE Floating Promotion CSS v1.1 — mobile: pill stacks ABOVE V.AISTUDIO button */
/* Floating button — bottom-right, offset from V.AISTUDIO button */
#big-sale-floating {
  position: fixed;
  bottom: 24px;
  right: calc(24px + 72px + 16px); /* Offset: V.AISTUDIO button (56px) + 16px gap */
  z-index: 179;
  width: 200px;
  height: 60px;
  border-radius: 24px;
  background: linear-gradient(135deg, #ea580c, #dc2626, #f97316);
  color: #fff;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(220, 38, 38, 0.45);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 18px;
  font-family: 'Geist Mono', monospace;
  transition: all 0.3s ease;
  backdrop-filter: blur(4px);
}

#big-sale-floating:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 8px 32px rgba(220, 38, 38, 0.55);
}

#big-sale-floating.open {
  bottom: 24px;
  z-index: 141; /* below vaistudio detail overlay (z-index 200) */
}

#big-sale-floating .big-sale-btn-content {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
}

#big-sale-floating .big-sale-badge {
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 1px;
  background: rgba(255, 255, 255, 0.25);
  padding: 6px 12px;
  border-radius: 12px;
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

#big-sale-floating .big-sale-count {
  font-size: 0.75rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.2);
  padding: 4px 8px;
  border-radius: 8px;
}

#big-sale-floating .big-sale-chevron {
  font-size: 0.75rem;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

#big-sale-floating.open .big-sale-chevron {
  transform: rotate(180deg);
}

/* Floating panel — anchored just above the floating button (never overlaps the
   topbar / Đơn hàng / Khách hàng buttons). Fixed height so the product list
   actually scrolls and all 23 BIG SALE items are reachable. */
#big-sale-panel {
  position: fixed;
  bottom: calc(24px + 72px + 16px + 72px); /* above: button row (72px) + gap */
  right: calc(24px + 72px + 16px);
  z-index: 140; /* below vaistudio detail overlay (z-index 200) so product modals open on top */
  width: 360px;
  max-width: calc(100vw - 32px);
  height: min(520px, calc(100vh - 120px - 60px));
  max-height: none;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.97);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid #e2e8f0;
}

#big-sale-panel.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

/* Panel header */
.big-sale-panel-header {
  background: linear-gradient(135deg, #ea580c, #dc2626);
  color: #fff;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.big-sale-panel-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.big-sale-panel-icon {
  font-size: 1.3rem;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.big-sale-product-count {
  font-size: 0.8rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.2);
  padding: 4px 10px;
  border-radius: 12px;
  backdrop-filter: blur(4px);
}

/* Product list */
.big-sale-product-list {
  flex: 1 1 auto; min-height:0;
  overflow-y: auto;
  padding: 8px;
  background: #f8fafc;
}

.big-sale-product-list::-webkit-scrollbar {
  width: 5px;
}

.big-sale-product-list::-webkit-scrollbar-thumb {
  background: #e2e8f0;
  border-radius: 3px;
}

/* Product card */
.big-sale-product {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.big-sale-product:hover {
  background: #f0f9ff;
  border-color: #0077b6;
  transform: translateX(2px);
  box-shadow: 0 2px 8px rgba(0, 119, 182, 0.08);
}

.big-sale-product-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.big-sale-stt {
  font-size: 0.7rem;
  font-weight: 700;
  color: #003f62;
  background: #e0f2fe;
  padding: 2px 8px;
  border-radius: 6px;
}

.big-sale-discount {
  font-size: 0.7rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 8px;
  color: #fff;
}

.discount-high {
  background: linear-gradient(135deg, #7e22ce, #a855f7);
  box-shadow: 0 1px 4px rgba(138, 43, 226, 0.3);
}

.discount-mid {
  background: linear-gradient(135deg, #ea580c, #f97316);
  box-shadow: 0 1px 4px rgba(234, 88, 12, 0.3);
}

.big-sale-product-name {
  font-size: 0.82rem;
  font-weight: 700;
  color: #1e293b;
  line-height: 1.3;
}

.big-sale-product-code {
  font-size: 0.72rem;
  color: #64748b;
  font-family: 'Geist Mono', monospace;
  background: #f1f5f9;
  padding: 2px 8px;
  border-radius: 6px;
  align-self: flex-start;
}

.big-sale-product-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}

.big-sale-qty {
  font-size: 0.7rem;
  font-weight: 600;
  color: #0d9488;
  background: #d1fae5;
  padding: 2px 8px;
  border-radius: 6px;
}

.big-sale-status {
  font-size: 0.68rem;
  font-weight: 700;
  color: #16a34a;
  background: #dcfce7;
  padding: 2px 8px;
  border-radius: 6px;
}

.big-sale-price-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}

.big-sale-price-original {
  font-size: 0.72rem;
  color: #94a3b8;
  text-decoration: line-through;
}

.big-sale-price-new {
  font-size: 0.85rem;
  font-weight: 800;
  color: #c2410c;
}

/* Panel footer */
.big-sale-panel-footer {
  padding: 12px;
  background: #fff;
  border-top: 1px solid #e2e8f0;
  flex-shrink: 0;
}

.big-sale-view-all-btn {
  width: 100%;
  padding: 10px;
  background: linear-gradient(135deg, #003f62, #0077b6);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.big-sale-view-all-btn:hover {
  background: linear-gradient(135deg, #00293f, #005580);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 63, 98, 0.3);
}

/* Responsive — mobile: the 170px pill would cover the 50px V.AISTUDIO button if
   both sit at bottom:16px/right:16px. Stack the pill ABOVE it instead. */
@media (max-width: 768px) {
  #big-sale-floating {
    bottom: calc(16px + 50px + 10px); /* 76px — just above V.AISTUDIO button */
    right: 16px;
    width: 170px;
    height: 50px;
  }

  #big-sale-floating.open {
    bottom: calc(16px + 50px + 10px);
  }

  #big-sale-panel,
  #big-sale-panel.open {
    bottom: calc(16px + 50px + 10px + 60px);
    right: 16px;
    left: 16px;
    width: auto;
    max-width: none;
    height: min(60vh, calc(100vh - 160px));
    max-height: none;
  }
}

@keyframes pulse-sale {
  0%, 100% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.4); }
  50% { box-shadow: 0 0 0 8px rgba(220, 38, 38, 0); }
}

#big-sale-floating:hover {
  animation: pulse-sale 2s infinite;
}
/* Per-card "Chia sẻ link" button (SEO) */
.big-sale-share-btn{
  width:100%;margin-top:8px;padding:8px 10px;border:none;border-radius:8px;
  background:#1e40af;color:#fff;font-size:.72rem;font-weight:700;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;gap:5px;font-family:inherit;
  transition:background .2s;
}
.big-sale-share-btn:hover{background:#1e3a8a;}
.big-sale-share-btn i{display:inline-block;}