/* ===== CART & CHECKOUT SHARED ===== */

/* Hero */
.cart-hero, .checkout-hero {
  background: var(--green-pale);
  padding: 3.5rem 0 0;
  text-align: center;
}
.cart-hero-inner, .checkout-hero-inner {
  max-width: 700px;
  margin: 0 auto;
  padding: 0 2rem 2.5rem;
}
.cart-hero h1, .checkout-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin: .6rem 0 .8rem;
  color: var(--dark);
}
.cart-hero p, .checkout-hero p {
  font-size: .95rem;
  color: var(--muted);
}

/* Breadcrumb */
.cart-breadcrumb {
  background: #fff;
  border-bottom: 1px solid #f0f0f0;
  padding: 1rem 0;
}
.cart-breadcrumb-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}
.crumb-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}
.crumb-step {
  display: flex;
  align-items: center;
  gap: .5rem;
  opacity: .4;
  transition: opacity .2s;
}
.crumb-step.active, .crumb-step.done { opacity: 1; }
.crumb-num {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: #f0f0f0;
  display: flex; align-items: center; justify-content: center;
  font-size: .72rem;
  font-weight: 700;
  color: var(--dark);
}
.crumb-step.active .crumb-num {
  background: var(--dark);
  color: #fff;
}
.crumb-step.done .crumb-num {
  background: var(--green);
  color: #fff;
}
.crumb-label { font-size: .82rem; font-weight: 600; color: var(--dark); }
.crumb-line {
  width: 60px;
  height: 1px;
  background: #e0e0e0;
  margin: 0 .75rem;
}
.crumb-line.active { background: var(--green); }

/* Shared summary parts */
.summary-lines { display: flex; flex-direction: column; gap: .7rem; margin-bottom: .5rem; }
.summary-line {
  display: flex;
  justify-content: space-between;
  font-size: .88rem;
  color: var(--muted);
}
.summary-line.discount { color: var(--green); }
.summary-divider { height: 1px; background: #f0f0f0; margin: 1rem 0; }
.summary-total {
  display: flex;
  justify-content: space-between;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 1.5rem;
}
.summary-secure {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  font-size: .75rem;
  color: var(--muted);
  margin-top: .8rem;
}
.free-ship { color: var(--green); font-weight: 700; }

/* ===== CART PAGE ===== */
.cart-wrap {
  background: #fafafa;
  padding: 3rem 0 5rem;
  min-height: 60vh;
}
.cart-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 2rem;
  align-items: start;
}

/* Cart table */
.cart-left { display: flex; flex-direction: column; gap: 0; }
.cart-table-head {
  display: grid;
  grid-template-columns: 2.5fr 1fr 1.2fr 1fr 40px;
  gap: 1rem;
  padding: .75rem 1.2rem;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  background: #fff;
  border-radius: 14px 14px 0 0;
  border: 1px solid #f0f0f0;
  border-bottom: none;
}
.cart-row {
  display: grid;
  grid-template-columns: 2.5fr 1fr 1.2fr 1fr 40px;
  gap: 1rem;
  align-items: center;
  padding: 1.1rem 1.2rem;
  background: #fff;
  border: 1px solid #f0f0f0;
  border-top: none;
  transition: background .2s;
}
.cart-row:last-of-type { border-radius: 0 0 14px 14px; }
.cart-row:hover { background: #fefefe; }

.cart-product { display: flex; align-items: center; gap: 1rem; }
.cart-product-img {
  width: 64px; height: 64px;
  border-radius: 12px;
  overflow: hidden;
  flex-shrink: 0;
  border: 1px solid #f0f0f0;
}
.cart-product-img img { width: 100%; height: 100%; object-fit: cover; }
.cart-product-info h4 { font-size: .9rem; font-weight: 700; color: var(--dark); margin-bottom: .2rem; }
.cart-product-cat { font-size: .72rem; color: var(--muted); }

.cart-price, .cart-subtotal {
  font-size: .9rem;
  font-weight: 600;
  color: var(--dark);
}
.cart-subtotal { font-weight: 800; }

/* Qty control */
.qty-control {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1.5px solid #e5e5e5;
  border-radius: 50px;
  overflow: hidden;
  width: fit-content;
}
.qty-btn {
  width: 32px; height: 32px;
  border: none;
  background: #f8f8f8;
  font-size: 1rem;
  cursor: pointer;
  color: var(--dark);
  transition: background .2s;
  display: flex; align-items: center; justify-content: center;
}
.qty-btn:hover { background: var(--dark); color: #fff; }
.qty-input {
  width: 36px;
  border: none;
  text-align: center;
  font-family: 'DM Sans', sans-serif;
  font-size: .88rem;
  font-weight: 700;
  color: var(--dark);
  background: #fff;
  outline: none;
  -moz-appearance: textfield;
}
.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button { -webkit-appearance: none; }

/* Remove btn */
.remove-btn {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 1.5px solid #eee;
  background: #fff;
  display: flex; align-items: center; justify-content: center;
  color: #bbb;
  cursor: pointer;
  transition: all .2s;
  text-decoration: none;
}
.remove-btn:hover { background: #fee2e2; border-color: #fca5a5; color: #ef4444; }

/* Coupon row */
.cart-coupon-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1rem;
  flex-wrap: wrap;
  gap: 1rem;
}
.cart-coupon {
  display: flex;
  align-items: center;
  gap: .5rem;
  background: #fff;
  border: 1.5px solid #e5e5e5;
  border-radius: 50px;
  padding: .4rem .4rem .4rem 1rem;
}
.cart-coupon svg { color: var(--muted); flex-shrink: 0; }
.cart-coupon input {
  border: none;
  outline: none;
  font-family: 'DM Sans', sans-serif;
  font-size: .85rem;
  color: var(--dark);
  width: 180px;
  background: transparent;
}
.cart-coupon input::placeholder { color: var(--muted); }
.cart-coupon button {
  padding: .45rem 1.1rem;
  border-radius: 50px;
  border: none;
  background: var(--dark);
  color: #fff;
  font-family: 'DM Sans', sans-serif;
  font-size: .82rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .2s;
}
.cart-coupon button:hover { background: #333; }
.cart-continue {
  font-size: .84rem;
  color: var(--muted);
  text-decoration: none;
  transition: color .2s;
}
.cart-continue:hover { color: var(--dark); }

/* Cart summary card */
.cart-right { position: sticky; top: 100px; }
.cart-summary {
  background: #fff;
  border-radius: 20px;
  border: 1px solid #f0f0f0;
  padding: 1.8rem;
  box-shadow: 0 4px 24px rgba(0,0,0,.06);
}
.summary-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.btn-checkout {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  width: 100%;
  padding: .9rem 0;
  border-radius: 50px;
  background: var(--orange);
  color: #fff;
  font-family: 'DM Sans', sans-serif;
  font-size: .95rem;
  font-weight: 700;
  text-decoration: none;
  transition: all .22s;
  border: none;
  cursor: pointer;
}
.btn-checkout:hover { background: #d45a12; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(232,103,26,.3); }
.summary-methods {
  display: flex;
  justify-content: center;
  gap: .8rem;
  margin-top: .8rem;
  font-size: 1.2rem;
}

/* Upsell bar */
.cart-upsell {
  background: #fff;
  border-radius: 14px;
  border: 1px solid #f0f0f0;
  padding: 1.1rem 1.3rem;
  margin-top: 1rem;
}
.upsell-label { font-size: .82rem; color: var(--dark); margin-bottom: .6rem; }
.upsell-bar {
  height: 6px;
  background: #f0f0f0;
  border-radius: 50px;
  overflow: hidden;
}
.upsell-fill {
  height: 100%;
  background: var(--green);
  border-radius: 50px;
  transition: width .6s ease;
}

/* Empty cart */
.cart-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 6rem 2rem;
}
.cart-empty-icon { font-size: 4rem; margin-bottom: 1rem; }
.cart-empty h2 { font-size: 1.8rem; font-weight: 800; margin-bottom: .5rem; }
.cart-empty p { color: var(--muted); margin-bottom: 2rem; }

/* ===== CHECKOUT PAGE ===== */
.checkout-wrap {
  background: #fafafa;
  padding: 3rem 0 5rem;
}
.checkout-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 2.5rem;
  align-items: start;
}

/* Blocks */
.checkout-block {
  background: #fff;
  border-radius: 20px;
  border: 1px solid #f0f0f0;
  padding: 1.8rem;
  margin-bottom: 1.2rem;
  box-shadow: 0 2px 12px rgba(0,0,0,.04);
}
.block-header {
  display: flex;
  align-items: center;
  gap: .8rem;
  margin-bottom: 1.5rem;
}
.block-num {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--dark);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem;
  font-weight: 800;
  flex-shrink: 0;
}
.block-header h3 { font-size: 1rem; font-weight: 800; color: var(--dark); }

/* Form grid */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-group { display: flex; flex-direction: column; gap: .4rem; }
.form-group.full { grid-column: 1 / -1; }
.form-group label {
  font-size: .78rem;
  font-weight: 700;
  color: var(--dark);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.form-group .req { color: var(--orange); }
.form-group input,
.form-group textarea,
.form-group select {
  padding: .65rem 1rem;
  border-radius: 10px;
  border: 1.5px solid #e5e5e5;
  font-family: 'DM Sans', sans-serif;
  font-size: .88rem;
  color: var(--dark);
  background: #fff;
  outline: none;
  transition: border-color .2s;
  resize: none;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--green); }
.form-group input.error,
.form-group textarea.error { border-color: #ef4444; background: #fff8f8; }
.form-group input::placeholder,
.form-group textarea::placeholder { color: #ccc; }

/* Payment options */
.payment-methods { display: flex; flex-direction: column; gap: .7rem; }
.payment-option {
  border: 1.5px solid #e5e5e5;
  border-radius: 14px;
  cursor: pointer;
  transition: all .2s;
  overflow: hidden;
}
.payment-option input[type="radio"] { display: none; }
.payment-option.active { border-color: var(--green); background: rgba(45,106,63,.03); }
.payment-option-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
}
.payment-icon { font-size: 1.4rem; flex-shrink: 0; }
.payment-info { flex: 1; }
.payment-info strong { display: block; font-size: .88rem; font-weight: 700; color: var(--dark); margin-bottom: .15rem; }
.payment-info span { font-size: .78rem; color: var(--muted); }
.payment-check {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 2px solid #e5e5e5;
  display: flex; align-items: center; justify-content: center;
  color: transparent;
  transition: all .2s;
  flex-shrink: 0;
}
.payment-option.active .payment-check {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
}

/* Bank details */
.bank-details { padding: 0 1.2rem 1.2rem; }
.bank-info-box {
  background: #f8f8f8;
  border-radius: 12px;
  padding: 1rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: .6rem;
}
.bank-row {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: .84rem;
}
.bank-row span { color: var(--muted); min-width: 120px; }
.bank-row strong { color: var(--dark); font-weight: 700; }
.copy-btn {
  padding: .2rem .6rem;
  border-radius: 50px;
  border: 1px solid #ddd;
  background: #fff;
  font-size: .7rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--dark);
  transition: all .2s;
  margin-left: auto;
}
.copy-btn:hover { background: var(--dark); color: #fff; border-color: var(--dark); }

/* Order summary (checkout) */
.checkout-right { position: sticky; top: 100px; }
.order-summary {
  background: #fff;
  border-radius: 20px;
  border: 1px solid #f0f0f0;
  padding: 1.8rem;
  box-shadow: 0 4px 24px rgba(0,0,0,.06);
}
.order-items { display: flex; flex-direction: column; gap: .9rem; margin-bottom: 1rem; }
.order-item {
  display: flex;
  align-items: center;
  gap: .9rem;
}
.order-item-img {
  position: relative;
  width: 52px; height: 52px;
  border-radius: 10px;
  overflow: hidden;
  flex-shrink: 0;
  border: 1px solid #f0f0f0;
}
.order-item-img img { width: 100%; height: 100%; object-fit: cover; }
.order-item-qty {
  position: absolute;
  top: -6px; right: -6px;
  width: 18px; height: 18px;
  background: var(--dark);
  color: #fff;
  border-radius: 50%;
  font-size: .65rem;
  font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.order-item-info { flex: 1; }
.order-item-name { font-size: .84rem; font-weight: 600; color: var(--dark); line-height: 1.3; }
.order-item-price { font-size: .88rem; font-weight: 800; color: var(--dark); white-space: nowrap; }

.btn-place-order {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  width: 100%;
  padding: .95rem 0;
  border-radius: 50px;
  background: var(--orange);
  color: #fff;
  font-family: 'DM Sans', sans-serif;
  font-size: .95rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all .22s;
}
.btn-place-order:hover { background: #d45a12; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(232,103,26,.3); }
.btn-place-order:disabled { background: #ccc; cursor: not-allowed; transform: none; box-shadow: none; }

.back-to-cart {
  display: block;
  text-align: center;
  font-size: .82rem;
  color: var(--muted);
  text-decoration: none;
  margin-top: .8rem;
  transition: color .2s;
}
.back-to-cart:hover { color: var(--dark); }

/* Toast */
.cf-toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--dark);
  color: #fff;
  padding: .7rem 1.6rem;
  border-radius: 50px;
  font-size: .85rem;
  font-weight: 600;
  opacity: 0;
  transition: all .3s;
  z-index: 9999;
  pointer-events: none;
}
.cf-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .cart-inner, .checkout-inner {
    grid-template-columns: 1fr;
  }
  .cart-right, .checkout-right { position: static; }
  .cart-table-head { display: none; }
  .cart-row {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto auto;
    gap: .7rem;
    padding: 1rem;
  }
  .cart-product { grid-column: 1 / -1; }
  .cart-price::before { content: attr(data-label) ': '; font-weight: 400; color: var(--muted); font-size: .75rem; }
  .cart-subtotal::before { content: attr(data-label) ': '; font-weight: 400; color: var(--muted); font-size: .75rem; }
  .form-grid { grid-template-columns: 1fr; }
  .form-group.full { grid-column: 1; }
}

@media (max-width: 600px) {
  .cart-coupon-row { flex-direction: column; align-items: flex-start; }
  .crumb-line { width: 30px; }
}
/* Thêm vào cart-checkout.css */
.qty-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.qty-control.loading {
  position: relative;
}

.qty-control.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 16px;
  margin: -8px 0 0 -8px;
  border: 2px solid #f3f3f3;
  border-top: 2px solid #333;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
/* ─── Loading state khi update qty ─── */
.cart-row--loading {
  opacity: 0.55;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.qty-control.loading {
  position: relative;
  pointer-events: none;
}

.qty-control.loading .qty-btn,
.qty-control.loading .qty-input {
  opacity: 0.3;
}

/* Spinner nhỏ trong ô qty khi loading */
.qty-control.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 14px;
  margin: -7px 0 0 -7px;
  border: 2px solid #eee;
  border-top-color: var(--dark);
  border-radius: 50%;
  animation: qtySpinning 0.7s linear infinite;
  pointer-events: none;
}

@keyframes qtySpinning {
  to { transform: rotate(360deg); }
}