/* ============================================
   sshiNsushi — Cart System Styles
   Isolated module — does NOT modify existing styles
   ============================================ */

/* ---------- Cart Toggle Button (Navbar) ---------- */
.cart-toggle-btn {
  position: relative;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  backdrop-filter: blur(8px);
  cursor: pointer;
}

.navbar.scrolled .cart-toggle-btn {
  background: var(--accent-light);
  border-color: var(--card-border);
  color: var(--accent);
}

.cart-toggle-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  transform: scale(1.05);
}

.cart-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 20px;
  height: 20px;
  background: var(--accent);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  font-family: 'Poppins', sans-serif;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
}

.cart-badge.empty {
  transform: scale(0);
}

.cart-badge.pop {
  animation: cartBadgePop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes cartBadgePop {
  0% { transform: scale(1); }
  50% { transform: scale(1.4); }
  100% { transform: scale(1); }
}

/* ---------- Cart Overlay ---------- */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.cart-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ---------- Cart Panel ---------- */
.cart-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 420px;
  max-width: 92vw;
  height: 100vh;
  height: 100dvh;
  z-index: 2001;
  background: var(--bg-primary);
  border-left: 1px solid var(--card-border);
  box-shadow: -8px 0 40px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.cart-panel.open {
  transform: translateX(0);
}

/* ---------- Cart Header ---------- */
.cart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px;
  border-bottom: 1px solid var(--divider);
  flex-shrink: 0;
}

.cart-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.cart-header-left h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.cart-header-count {
  background: var(--accent-light);
  color: var(--accent);
  font-family: 'Poppins', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}

.cart-close-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  color: var(--text-secondary);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.cart-close-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  transform: rotate(90deg);
}

/* ---------- Cart Body (scrollable) ---------- */
.cart-body {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
}

.cart-body::-webkit-scrollbar {
  width: 4px;
}

.cart-body::-webkit-scrollbar-track {
  background: transparent;
}

.cart-body::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 4px;
}

/* ---------- Cart Empty State ---------- */
.cart-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 32px;
  text-align: center;
}

.cart-empty-icon {
  font-size: 3rem;
  margin-bottom: 20px;
  opacity: 0.3;
}

.cart-empty h4 {
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.cart-empty p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ---------- Cart Items ---------- */
.cart-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 20px 28px;
  border-bottom: 1px solid var(--divider);
  transition: background 0.2s ease;
  animation: cartItemSlideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes cartItemSlideIn {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.cart-item:hover {
  background: var(--bg-secondary);
}

.cart-item-details {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.cart-item-name {
  font-family: 'Playfair Display', serif;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cart-item-price {
  font-family: 'Poppins', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
}

.cart-item-controls {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.cart-qty-btn {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: 'Poppins', sans-serif;
}

.cart-qty-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.cart-qty-value {
  width: 32px;
  text-align: center;
  font-family: 'Poppins', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.cart-remove-btn {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: transparent;
  border: 1px solid rgba(220, 53, 69, 0.2);
  color: #dc3545;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-left: 8px;
}

.cart-remove-btn:hover {
  background: #dc3545;
  color: #fff;
  border-color: #dc3545;
}

/* ---------- Cart Footer ---------- */
.cart-footer {
  padding: 24px 28px;
  border-top: 1px solid var(--divider);
  background: var(--bg-secondary);
  flex-shrink: 0;
}

.cart-total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.cart-total-label {
  font-family: 'Poppins', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
}

.cart-total-value {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}

.cart-whatsapp-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 16px 24px;
  background: #25D366;
  color: #fff;
  font-family: 'Poppins', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.cart-whatsapp-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.15), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.cart-whatsapp-btn:hover::before {
  transform: translateX(100%);
}

.cart-whatsapp-btn:hover {
  background: #1fb855;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35);
}

.cart-whatsapp-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.cart-whatsapp-btn:disabled:hover {
  background: #25D366;
  box-shadow: none;
  transform: none;
}

.cart-whatsapp-btn:disabled::before {
  display: none;
}

.cart-whatsapp-icon {
  font-size: 1.2rem;
  line-height: 1;
}

/* ---------- Add to Cart Buttons on Menu Items ---------- */
.add-to-cart-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--accent);
  color: #fff;
  font-family: 'Poppins', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  border: none;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 8px;
  position: relative;
  overflow: hidden;
}

.add-to-cart-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transform: translateX(-100%);
  transition: transform 0.5s ease;
}

.add-to-cart-btn:hover::before {
  transform: translateX(100%);
}

.add-to-cart-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--accent-glow);
}

.add-to-cart-btn.added {
  background: #25D366;
  pointer-events: none;
}

.add-to-cart-btn .cart-btn-icon {
  font-size: 0.85rem;
  line-height: 1;
}

/* Signature Dish Card — Add to Cart */
.dish-card .add-to-cart-btn {
  margin-top: 0;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.3s ease;
  z-index: 2;
}

.dish-card:hover .add-to-cart-btn {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Added to Cart Feedback Toast ---------- */
.cart-toast {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--card-bg);
  color: var(--text-primary);
  padding: 14px 28px;
  border-radius: 8px;
  border: 1px solid var(--card-border);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  font-family: 'Poppins', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  z-index: 3000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.cart-toast.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.cart-toast-icon {
  font-size: 1.1rem;
  color: #25D366;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .cart-panel {
    width: 100%;
    max-width: 100vw;
  }

  .cart-header {
    padding: 20px 20px;
  }

  .cart-item {
    padding: 16px 20px;
  }

  .cart-footer {
    padding: 20px;
  }

  .add-to-cart-btn {
    padding: 6px 12px;
    font-size: 0.65rem;
  }

  /* On mobile, always show add-to-cart on signature cards */
  .dish-card .add-to-cart-btn {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 480px) {
  .cart-item-name {
    font-size: 0.85rem;
  }

  .cart-total-value {
    font-size: 1.3rem;
  }
}