/* ============================================================
   LFS — Lusaka Fitness Squad | cart.css
   Cart page styles. Loaded only on /shop/cart.
   Depends on: main.css (design tokens + base components)
   ============================================================ */

/* ════════════════════════════════════════════════════════════
   PAGE HEADER
   ════════════════════════════════════════════════════════════ */

.cart-header {
  background: var(--black);
  color: #fff;
  padding: 3rem var(--section-px) 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  position: relative;
  overflow: hidden;
}

.cart-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(74,124,89,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74,124,89,0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

.cart-header__inner {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
}

.cart-header__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: 0.02em;
  line-height: 1;
  display: flex;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.cart-header__count {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--green-bright);
  background: rgba(126,203,147,0.12);
  border: 1px solid rgba(126,203,147,0.25);
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  letter-spacing: 0;
}

/* Reuse shop breadcrumb styling so cart breadcrumb matches /shop */
.shop-breadcrumb ol {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.35);
  margin-bottom: 1.25rem;
}

.shop-breadcrumb a {
  color: rgba(255,255,255,0.5);
  transition: color var(--transition-fast);
}

.shop-breadcrumb a:hover { color: var(--green-bright); }

.shop-breadcrumb .fas {
  font-size: 0.6rem;
  opacity: 0.4;
}

/* ════════════════════════════════════════════════════════════
   SECTION WRAPPER
   ════════════════════════════════════════════════════════════ */

.cart-section {
  padding: 2.5rem var(--section-px) 5rem;
  background: var(--off-white);
  min-height: 60vh;
}

.cart-section__inner {
  max-width: 1100px;
  margin: 0 auto;
}

/* ════════════════════════════════════════════════════════════
   EMPTY STATE
   ════════════════════════════════════════════════════════════ */

.cart-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 5rem 1rem;
  gap: 1.25rem;
}

.cart-empty__icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(74,124,89,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--green);
}

.cart-empty__title {
  font-family: var(--font-display);
  font-size: 2.25rem;
  letter-spacing: 0.02em;
}

.cart-empty__desc {
  color: #555;
  font-size: 1rem;
  line-height: 1.7;
  max-width: 38ch;
}

/* ════════════════════════════════════════════════════════════
   CART LAYOUT — items + summary
   ════════════════════════════════════════════════════════════ */

.cart-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 860px) {
  .cart-layout {
    grid-template-columns: 1fr;
  }
}

/* ════════════════════════════════════════════════════════════
   CART ITEM
   ════════════════════════════════════════════════════════════ */

.cart-items {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cart-item {
  display: grid;
  grid-template-columns: 90px 1fr auto auto auto;
  gap: 1rem;
  align-items: center;
  background: #fff;
  border: 1px solid rgba(0,0,0,0.07);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-base);
}

.cart-item:hover {
  box-shadow: var(--shadow-hover);
}

@media (max-width: 640px) {
  .cart-item {
    grid-template-columns: 72px 1fr;
    grid-template-rows: auto auto auto;
    gap: 0.75rem;
  }

  .cart-item__qty,
  .cart-item__line-total,
  .cart-item__remove {
    grid-column: 2;
  }
}

/* Thumbnail */
.cart-item__img-wrap {
  display: block;
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 1;
  background: #f5f5f5;
}

.cart-item__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.cart-item__img-wrap:hover .cart-item__img {
  transform: scale(1.04);
}

/* Details */
.cart-item__details {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 0;
}

.cart-item__name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--black);
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color var(--transition-fast);
}

.cart-item__name:hover { color: var(--green); }

.cart-item__meta {
  font-size: 0.78rem;
  color: #777;
}

.cart-item__unit-price {
  font-size: 0.8rem;
  color: #888;
}

/* Qty stepper */
.cart-item__qty {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.cart-item__qty-btn {
  width: 28px;
  height: 28px;
  border: 1px solid rgba(0,0,0,0.15);
  background: #fff;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.65rem;
  color: #555;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

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

.cart-item__qty-input {
  width: 44px;
  height: 28px;
  text-align: center;
  border: 1px solid rgba(0,0,0,0.15);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-family: var(--font-body);
  font-weight: 600;
  background: #fafafa;
  appearance: textfield;
  -moz-appearance: textfield;
}

.cart-item__qty-input::-webkit-inner-spin-button,
.cart-item__qty-input::-webkit-outer-spin-button {
  -webkit-appearance: none;
}

/* Line total */
.cart-item__line-total {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--black);
  min-width: 80px;
  text-align: right;
}

/* Remove button */
.cart-item__remove {
  width: 32px;
  height: 32px;
  border: none;
  background: none;
  cursor: pointer;
  color: #bbb;
  font-size: 0.85rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.cart-item__remove:hover {
  background: rgba(192,57,43,0.08);
  color: var(--red);
}

/* ════════════════════════════════════════════════════════════
   ORDER SUMMARY
   ════════════════════════════════════════════════════════════ */

.cart-summary {
  background: #fff;
  border: 1px solid rgba(0,0,0,0.07);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
  position: sticky;
  top: 100px;
}

.cart-summary__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.03em;
  margin-bottom: 1.25rem;
}

.cart-summary__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  color: #555;
  padding: 0.5rem 0;
}

.cart-summary__divider {
  border-top: 1px solid rgba(0,0,0,0.08);
  margin: 0.5rem 0;
}

.cart-summary__total-row {
  padding: 0.75rem 0;
}

.cart-summary__total-label {
  font-size: 1rem;
  font-weight: 700;
  color: var(--black);
}

.cart-summary__total-amount {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--black);
}

.cart-summary__note {
  font-size: 0.75rem;
  color: #888;
  line-height: 1.5;
  margin: 1rem 0;
  display: flex;
  gap: 0.4rem;
  align-items: flex-start;
}

.cart-summary__note .fas {
  margin-top: 0.15rem;
  color: var(--green);
  flex-shrink: 0;
}

.cart-summary__cta {
  margin-top: 0.5rem;
}

.cart-summary__continue {
  margin-top: 0.75rem;
  font-size: 0.875rem;
}

/* ── Cart-specific button overrides ── */
.cart-empty__btn  { margin-top: 0.5rem; }
.cart-summary__cta,
.cart-summary__continue { width: 100%; justify-content: center; }

.cart-summary__continue {
  background: transparent;
  color: var(--black);
  border-color: rgba(0,0,0,0.15);
}
.cart-summary__continue:hover {
  border-color: var(--green);
  color: var(--green);
  transform: none;
  box-shadow: none;
}