/* checkout.css – phần style.css còn dùng (sinh bởi tools/split-css.js) */
:root {
  --black: #0a0a0a;
  --black2: #111111;
  --dark: #1a1a1a;
  --dark2: #222222;
  --gray: #888888;
  --light-gray: #cccccc;
  --white: #ffffff;
  --gold: #c9a84c;
  --gold-light: #e8c97a;
  --gold-dark: #a07a2a;
  --accent: #b8860b;
  --surface: #f8f7f4;
  --nav-height: 72px;
  --announce-height: 44px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 8px 32px rgba(0,0,0,0.12);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.2);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Barlow', sans-serif;
  background: var(--white);
  color: var(--dark);
  overflow-x: hidden;
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 3px; }
.logo-icon { font-size: 1.2em; color: var(--gold); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 6px;
  font-family: 'Barlow', sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--gold);
  color: var(--black);
  border-color: var(--gold);
}
.btn-primary:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201,168,76,0.4);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
  transform: translateY(-2px);
}
.btn-gold {
  background: linear-gradient(135deg, var(--gold-dark), var(--gold), var(--gold-light));
  color: var(--black);
  font-weight: 800;
}
.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(201,168,76,0.5);
}
.btn-dark {
  background: var(--dark);
  color: var(--white);
  border-color: var(--dark);
}
.btn-dark:hover {
  background: var(--dark2);
  transform: translateY(-2px);
}
.payment-badge {
  padding: 4px 10px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 4px;
  color: rgba(255,255,255,0.4);
  font-size: 0.72rem;
  font-weight: 700;
}
.cart-toast {
  position: fixed;
  bottom: 32px;
  right: 32px;
  background: var(--dark2);
  color: var(--white);
  padding: 14px 24px;
  border-radius: 8px;
  border-left: 3px solid var(--gold);
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition);
  z-index: 1000;
  pointer-events: none;
}
.cart-toast.show {
  transform: translateY(0);
  opacity: 1;
}
.back-to-top {
  position: fixed;
  bottom: 32px;
  left: 32px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--black);
  font-size: 1.2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition);
  z-index: 900;
  cursor: pointer;
}
.back-to-top.visible {
  transform: translateY(0);
  opacity: 1;
}
.back-to-top:hover {
  background: var(--gold-light);
  transform: translateY(-4px);
}
.checkout-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(6px);
  z-index: 800;
  display: none;
}
.checkout-overlay.open { display: block; }
.checkout-modal {
  position: fixed;
  inset: 0;
  z-index: 900;
  overflow-y: auto;
  display: none;
}
.checkout-modal.open { display: block; }
.checkout-inner {
  min-height: 100vh;
  display: flex;
  flex-direction: row;
  max-width: 1100px;
  margin: 0 auto;
}
.checkout-form-col {
  flex: 1;
  background: var(--white);
  padding: 40px 48px;
  min-height: 100vh;
  overflow-y: auto;
}
.checkout-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}
.checkout-back-btn {
  background: none;
  border: none;
  color: var(--gray);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: color var(--transition);
  font-family: 'Barlow', sans-serif;
}
.checkout-back-btn:hover { color: var(--dark); }
.checkout-logo {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 1.3rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  color: var(--dark);
}
.checkout-logo .logo-icon { color: var(--gold); }
.checkout-steps {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 36px;
}
.checkout-step {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--light-gray);
  letter-spacing: 0.04em;
}
.checkout-step.active { color: var(--dark); }
.checkout-step.done { color: var(--gold); }
.checkout-step.active .step-num { background: var(--dark); color: var(--white); }
.checkout-step.done .step-num { background: var(--gold); color: var(--black); }
.checkout-step-arrow { color: var(--light-gray); font-size: 1rem; }
.checkout-section-title {
  font-family: 'Barlow Condensed', serif;
  font-size: 1.4rem;
  color: var(--dark);
  margin-bottom: 24px;
}
.co-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.co-form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}
.co-form-group label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--gray);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.co-input {
  padding: 12px 16px;
  border: 1.5px solid #ddd;
  border-radius: 8px;
  font-family: 'Barlow', sans-serif;
  font-size: 0.9rem;
  color: var(--dark);
  background: var(--white);
  transition: all var(--transition);
  width: 100%;
}
.co-input:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.12);
}
.co-select { cursor: pointer; }
.co-textarea { resize: vertical; min-height: 70px; }
.co-next-btn { width: 100%; justify-content: center; padding: 15px; font-size: 0.95rem; margin-top: 8px; }
.payment-methods { margin-bottom: 24px; display: flex; flex-direction: column; gap: 10px; }
.payment-method-option { cursor: pointer; }
.payment-method-option input[type="radio"] { display: none; }
.pm-content {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border: 2px solid #e8e8e8;
  border-radius: 10px;
  transition: all var(--transition);
}
.payment-method-option input[type="radio"]:checked + .pm-content {
  border-color: var(--gold);
  background: rgba(201,168,76,0.05);
}
.pm-content:hover { border-color: var(--gold-dark); }
.pm-icon { font-size: 1.5rem; flex-shrink: 0; }
.pm-name { display: block; font-weight: 600; font-size: 0.9rem; color: var(--dark); }
.pm-desc { display: block; font-size: 0.75rem; color: var(--gray); margin-top: 2px; }
.coupon-row {
  display: flex;
  gap: 10px;
  margin-bottom: 8px;
}
.coupon-result {
  font-size: 0.82rem;
  margin-bottom: 20px;
  min-height: 20px;
}
.coupon-result.success { color: #2ecc71; }
.coupon-result.error { color: #e74c3c; }
.co-nav-buttons {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}
.co-nav-buttons .btn { flex: 1; justify-content: center; padding: 14px; }
.order-success {
  text-align: center;
  padding: 60px 20px;
}
.success-icon { font-size: 4rem; margin-bottom: 20px; }
.order-success h2 {
  font-family: 'Barlow Condensed', serif;
  font-size: 1.8rem;
  color: var(--dark);
  margin-bottom: 14px;
}
.success-msg { color: var(--gray); font-size: 0.95rem; line-height: 1.7; margin-bottom: 20px; }
.success-order-id {
  display: inline-block;
  background: rgba(201,168,76,0.1);
  border: 1px solid rgba(201,168,76,0.3);
  color: var(--dark);
  padding: 8px 24px;
  border-radius: 8px;
  font-size: 0.9rem;
  margin-bottom: 32px;
}
.success-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.checkout-summary-col {
  width: 380px;
  flex-shrink: 0;
  background: #f5f5f0;
  padding: 40px 36px;
  border-left: 1px solid #e8e8e8;
  min-height: 100vh;
}
.co-summary-title {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 24px;
}
.co-summary-items { margin-bottom: 24px; }
.co-summary-item {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.co-summary-item-img {
  width: 54px; height: 54px;
  border-radius: 8px;
  object-fit: cover;
  background: #eee;
  flex-shrink: 0;
  position: relative;
}
.co-item-qty-badge {
  position: absolute;
  top: -6px; right: -6px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--gray);
  color: var(--white);
  font-size: 0.68rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.co-summary-item-name {
  flex: 1;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--dark);
}
.co-summary-item-price {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--dark);
  flex-shrink: 0;
}
.co-summary-totals { border-top: 1px solid #ddd; padding-top: 16px; }
.co-summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--gray);
  margin-bottom: 10px;
}
.co-free-ship { color: #2ecc71; font-weight: 600; }
.co-summary-total {
  display: flex;
  justify-content: space-between;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--dark);
  margin-top: 12px;
  padding-top: 12px;
  border-top: 2px solid var(--dark);
}
@media (max-width: 1200px) {
  .checkout-summary-col { width: 320px; padding: 40px 24px; }
}
@media (max-width: 900px) {
  .checkout-inner { flex-direction: column; }
  .checkout-summary-col { width: 100%; min-height: auto; border-left: none; border-top: 1px solid #e8e8e8; }
  .checkout-form-col { padding: 24px; }
}
@media (max-width: 640px) {
  :root { --nav-height: 60px; }
  .co-form-row { grid-template-columns: 1fr; }
  .coupon-row { flex-direction: column; }
  .co-nav-buttons { flex-direction: column; }
  .checkout-form-col { padding: 20px; }
}
.bank-info-box {
  background: #f0f7ff;
  border: 1px solid #c8dff8;
  border-radius: 10px;
  padding: 14px 16px;
}
.bank-info-box.bank-confirm {
  background: #f0fff4;
  border-color: #a8dfc0;
}
.bank-title {
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--dark);
  margin-bottom: 10px;
}
.bank-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.84rem;
  margin-bottom: 6px;
}
.bank-row span:first-child { color: var(--gray); }
.bank-row strong { color: var(--dark); }
.bank-acct { font-size: 1rem; letter-spacing: 0.05em; }
.bank-highlight { background: rgba(201,168,76,0.1); border-radius: 6px; padding: 4px 8px; }
.bank-qr-note { margin-top: 8px; padding-top: 8px; border-top: 1px solid #dde; font-size: 0.8rem; color: var(--gray); }
.float-buttons {
  position: fixed;
  bottom: 80px;
  right: 20px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-end;
}
.float-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  cursor: pointer;
  text-decoration: none;
}
.float-btn:hover { transform: scale(1.12); box-shadow: 0 6px 24px rgba(0,0,0,0.3); }
.float-zalo { background: #0068ff; }
.float-hotline { background: #e74c3c; animation: pulse-ring 2s infinite; }
.success-customer-info {
  font-size: 0.88rem;
  color: var(--gray);
  margin: 8px 0 0;
}
.logo-img { display: block; height: 30px; width: auto; max-width: 100%; }
.checkout-logo .logo-img { height: 26px; }
.footer-brand .logo-img { height: 30px; }
@media (max-width: 768px) {
  .logo-img { height: 22px; }
  .checkout-logo .logo-img { height: 22px; }
}
@media (max-width: 360px) {
  .logo-img { height: 19px; }
}
@keyframes pulse-ring {
  0%   { box-shadow: 0 0 0 0 rgba(231,76,60,0.6); }
  60%  { box-shadow: 0 0 0 12px rgba(231,76,60,0); }
  100% { box-shadow: 0 0 0 0 rgba(231,76,60,0); }
}