/* =============================================
   ROYAL SPIRULINA — CART PAGE
   V1 Luxury Editorial
   ============================================= */

/* ===== BREADCRUMB ===== */
.cart-breadcrumb {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px 20px 0;
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.cart-breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.cart-breadcrumb a:hover {
  color: var(--gold);
}

.cart-breadcrumb .sep {
  margin: 0 8px;
  opacity: 0.4;
}

/* ===== PAGE HEADER ===== */
.cart-page-header {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 20px 0;
}

.cart-page-header h1 {
  font-family: 'Playfair Display', serif;
  font-size: 36px;
  font-weight: 700;
  color: var(--charcoal);
}

.cart-page-header .item-count {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ===== CART LAYOUT ===== */
.cart-layout {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 20px 80px;
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 40px;
  align-items: start;
}

/* ===== CART ITEMS ===== */
.cart-items {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.cart-item {
  display: grid;
  grid-template-columns: 100px 1fr auto auto;
  gap: 20px;
  align-items: center;
  padding: 28px 0;
  border-bottom: 1px solid var(--border-light);
}

.cart-item:first-child {
  border-top: 1px solid var(--border-light);
}

.cart-item-image {
  width: 100px;
  height: 100px;
  border-radius: 6px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--emerald) 0%, var(--emerald-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cart-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cart-item-image .placeholder {
  font-family: 'Playfair Display', serif;
  font-size: 18px;
  color: rgba(255,255,255,0.3);
  font-weight: 700;
}

.cart-item-info {
  min-width: 0;
}

.cart-item-name {
  font-family: 'Playfair Display', serif;
  font-size: 17px;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 4px;
  line-height: 1.3;
}

.cart-item-variant {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.cart-item-price {
  font-size: 14px;
  color: var(--charcoal-light);
  font-weight: 500;
}

.cart-item-remove {
  font-size: 11px;
  color: var(--danger);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
  opacity: 0.6;
  transition: opacity var(--transition);
  margin-top: 8px;
  background: none;
  border: none;
  font-family: inherit;
  padding: 0;
}

.cart-item-remove:hover {
  opacity: 1;
}

.cart-item-remove.removing {
  opacity: 0.3;
  pointer-events: none;
}

/* Quantity control */
.cart-item-qty {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.qty-btn {
  width: 36px;
  height: 36px;
  border: none;
  background: var(--white);
  color: var(--charcoal);
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  font-family: inherit;
}

.qty-btn:hover {
  background: var(--ivory-dark);
}

.qty-btn:disabled {
  opacity: 0.3;
  cursor: default;
}

.qty-value {
  width: 44px;
  height: 36px;
  border: none;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  text-align: center;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--charcoal);
  background: var(--white);
}

.qty-value:focus {
  outline: none;
  background: var(--gold-dim);
}

/* Item total */
.cart-item-total {
  font-family: 'Inter', sans-serif;
  font-size: 17px;
  font-weight: 600;
  color: var(--charcoal);
  text-align: right;
  min-width: 80px;
}

/* ===== LOADING STATE ===== */
.cart-loading {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 20px;
  text-align: center;
}

.cart-loading .spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-light);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: cart-spin 0.8s linear infinite;
  margin: 0 auto 16px;
}

@keyframes cart-spin {
  to { transform: rotate(360deg); }
}

.cart-loading p {
  font-size: 14px;
  color: var(--text-muted);
}

/* ===== EMPTY CART STATE ===== */
.cart-empty {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 20px 120px;
  text-align: center;
}

.cart-empty-icon {
  font-size: 64px;
  opacity: 0.2;
  margin-bottom: 20px;
}

.cart-empty h2 {
  font-family: 'Playfair Display', serif;
  font-size: 28px;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 12px;
}

.cart-empty p {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.7;
}

.cart-empty .shop-btn {
  display: inline-block;
  padding: 14px 36px;
  background: var(--gold);
  color: var(--emerald);
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius);
  transition: all var(--transition);
}

.cart-empty .shop-btn:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(201,168,76,0.3);
}

/* ===== ERROR STATE ===== */
.cart-error {
  max-width: 1100px;
  margin: 0 auto;
  padding: 60px 20px 80px;
  text-align: center;
}

.cart-error h2 {
  font-family: 'Playfair Display', serif;
  font-size: 24px;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 12px;
}

.cart-error p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.7;
}

.cart-error a {
  color: var(--gold);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.cart-error a:hover {
  color: var(--gold-light);
}

/* ===== CART SUMMARY SIDEBAR ===== */
.cart-summary {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--border-light);
  position: sticky;
  top: 92px;
}

.cart-summary h2 {
  font-family: 'Playfair Display', serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  font-size: 14px;
}

.summary-row .label {
  color: var(--text-muted);
}

.summary-row .value {
  font-weight: 500;
  color: var(--charcoal);
}

.summary-row.shipping-free .value {
  color: var(--success);
  font-weight: 600;
}

.summary-row.discount .value {
  color: var(--success);
}

.summary-divider {
  height: 1px;
  background: var(--border-light);
  margin: 8px 0;
}

.summary-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 16px 0 0;
  margin-top: 8px;
  border-top: 2px solid var(--charcoal);
}

.summary-total .label {
  font-family: 'Playfair Display', serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--charcoal);
}

.summary-total .value {
  font-family: 'Playfair Display', serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--charcoal);
}

/* -- Coupon -- */
.coupon-section {
  margin-top: 24px;
}

.coupon-toggle {
  font-size: 12px;
  color: var(--emerald-light);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
  background: none;
  border: none;
  font-family: inherit;
  transition: color var(--transition);
  padding: 0;
}

.coupon-toggle:hover {
  color: var(--gold);
}

.coupon-form {
  display: none;
  gap: 0;
  margin-top: 12px;
}

.coupon-form.open {
  display: flex;
}

.coupon-input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-right: none;
  border-radius: var(--radius) 0 0 var(--radius);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  background: var(--ivory);
  color: var(--charcoal);
  outline: none;
  transition: border-color var(--transition);
}

.coupon-input:focus {
  border-color: var(--gold);
}

.coupon-input::placeholder {
  color: rgba(0,0,0,0.3);
}

.coupon-btn {
  padding: 10px 18px;
  border: 1px solid var(--emerald);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--emerald);
  color: var(--white);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  transition: background var(--transition);
}

.coupon-btn:hover {
  background: var(--emerald-light);
}

.coupon-btn:disabled {
  opacity: 0.5;
  cursor: default;
}

.coupon-message {
  font-size: 12px;
  margin-top: 8px;
  line-height: 1.4;
}

.coupon-message.success {
  color: var(--success);
}

.coupon-message.error {
  color: var(--danger);
}

/* Applied coupons */
.applied-coupons {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.applied-coupon {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--gold-dim);
  padding: 8px 12px;
  border-radius: var(--radius);
  font-size: 12px;
}

.applied-coupon .coupon-code {
  font-weight: 600;
  color: var(--emerald);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.applied-coupon .coupon-remove {
  background: none;
  border: none;
  color: var(--danger);
  font-size: 11px;
  cursor: pointer;
  opacity: 0.6;
  padding: 0;
  font-family: inherit;
}

.applied-coupon .coupon-remove:hover {
  opacity: 1;
}

/* -- Checkout button -- */
.checkout-btn {
  display: block;
  width: 100%;
  margin-top: 24px;
  padding: 16px;
  background: var(--gold);
  border: none;
  border-radius: var(--radius);
  color: var(--emerald);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: all var(--transition);
}

.checkout-btn:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(201,168,76,0.3);
}

.continue-shopping {
  display: block;
  text-align: center;
  margin-top: 16px;
  font-size: 12px;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.5px;
  transition: color var(--transition);
}

.continue-shopping:hover {
  color: var(--gold);
}

/* -- Security badges -- */
.security-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border-light);
}

.security-badge {
  font-size: 10px;
  color: var(--text-muted);
  text-align: center;
  letter-spacing: 0.5px;
  line-height: 1.4;
}

.security-badge .icon {
  font-size: 16px;
  display: block;
  margin-bottom: 4px;
  opacity: 0.5;
}

/* -- Shipping notice -- */
.shipping-notice {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  padding: 12px 16px;
  background: var(--gold-dim);
  border-radius: var(--radius);
  font-size: 12px;
  color: var(--emerald);
}

.shipping-notice .icon {
  font-size: 16px;
  flex-shrink: 0;
}

/* ===== TRUST BAR ===== */
.cart-trust-bar {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px 60px;
}

.cart-trust-bar-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 32px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
}

.trust-item {
  text-align: center;
}

.trust-item .icon {
  font-size: 24px;
  margin-bottom: 8px;
  opacity: 0.7;
}

.trust-item h4 {
  font-size: 12px;
  font-weight: 600;
  color: var(--charcoal);
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.trust-item p {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ===== UPDATING OVERLAY ===== */
.cart-updating {
  position: relative;
}

.cart-updating::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(250, 247, 240, 0.6);
  z-index: 10;
  pointer-events: all;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .cart-layout {
    grid-template-columns: 1fr;
  }

  .cart-summary {
    position: static;
  }
}

@media (max-width: 640px) {
  .cart-page-header h1 {
    font-size: 28px;
  }

  .cart-item {
    grid-template-columns: 80px 1fr;
    gap: 12px;
  }

  .cart-item-image {
    width: 80px;
    height: 80px;
  }

  .cart-item-qty {
    grid-column: 2;
  }

  .cart-item-total {
    grid-column: 2;
    text-align: left;
  }

  .cart-trust-bar-inner {
    grid-template-columns: 1fr 1fr;
  }

  .cart-layout {
    padding: 24px 16px 60px;
  }

  .cart-breadcrumb {
    padding: 16px 16px 0;
  }

  .cart-page-header {
    padding: 16px 16px 0;
  }
}