/* ═══════════════════════════════════════════════════════════════
   FEAIA Checkout Page — checkout.css
   上海悠希数码技术有限公司 · www.voxvoy.com
   ═══════════════════════════════════════════════════════════════ */

/* ── Checkout Steps in Nav ───────────────────────────────────── */
.checkout-steps {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
  font-size: var(--fs-xs);
}
.cs-step {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  color: var(--c-text-dim);
  position: relative;
  white-space: nowrap;
}
.cs-step::after {
  content: '›';
  margin-left: 8px;
  color: var(--c-text-dim);
}
.cs-step:last-child::after { display: none; }
.cs-step.cs-done { color: var(--c-accent); }
.cs-step.cs-active {
  color: var(--c-primary);
  font-weight: 700;
}
@media (max-width: 768px) {
  .checkout-steps { display: none; }
}

/* ── Main Layout ─────────────────────────────────────────────── */
.checkout-main {
  padding: calc(var(--nav-h) + var(--space-xl)) 0 var(--space-3xl);
  min-height: 100vh;
}

.co-header {
  margin-bottom: var(--space-xl);
}
.co-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-xs);
  color: var(--c-text-muted);
  margin-bottom: var(--space-sm);
}
.co-breadcrumb a { color: var(--c-text-muted); }
.co-breadcrumb a:hover { color: var(--c-primary); }
.co-breadcrumb i { font-size: 10px; color: var(--c-text-dim); }
.co-header h1 {
  font-size: var(--fs-3xl);
  font-weight: 800;
  margin-bottom: var(--space-xs);
}
.co-meta {
  font-size: var(--fs-xs);
  color: var(--c-text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}
.co-meta i { color: var(--c-primary); }

/* Two-column layout */
.co-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-xl);
  align-items: start;
}
@media (max-width: 1024px) {
  .co-layout { grid-template-columns: 1fr; }
  .co-right { order: -1; }
}

/* ── Cards ───────────────────────────────────────────────────── */
.co-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
}
.co-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--c-border);
}
.co-card-header i { color: var(--c-primary); font-size: 1rem; }
.co-card-header h2 {
  font-size: var(--fs-base);
  font-weight: 700;
  color: var(--c-text);
  flex: 1;
}
.required-note {
  font-size: var(--fs-xs);
  color: var(--c-text-muted);
  font-weight: 400;
}

/* ── Seller Info ─────────────────────────────────────────────── */
.seller-info {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.seller-logo {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--c-bg);
  font-weight: 900;
  flex-shrink: 0;
}
.seller-name {
  font-size: var(--fs-base);
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 6px;
}
.seller-meta {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}
.seller-meta span {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: var(--fs-xs);
  color: var(--c-text-muted);
}
.seller-meta i { color: var(--c-primary); font-size: 10px; }

/* ── Product Line ────────────────────────────────────────────── */
.product-line {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: var(--space-md);
  align-items: start;
  padding-bottom: var(--space-lg);
  margin-bottom: var(--space-lg);
  border-bottom: 1px solid var(--c-border);
}
@media (max-width: 600px) {
  .product-line { grid-template-columns: 56px 1fr; }
  .pl-price-col { grid-column: 1 / -1; display: flex; gap: var(--space-md); align-items: center; }
}
.pl-image {
  width: 72px; height: 72px;
  background: linear-gradient(135deg, rgba(123,108,246,0.15), rgba(77,217,192,0.08));
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}
.pl-avatar-icon {
  font-size: 1.8rem;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.pl-name {
  font-size: var(--fs-base);
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 4px;
}
.pl-sku {
  font-size: var(--fs-xs);
  color: var(--c-text-muted);
  margin-bottom: var(--space-sm);
}
.pl-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: var(--space-sm);
}
.ptag {
  padding: 2px 8px;
  font-size: 10px;
  font-weight: 600;
  border-radius: var(--radius-full);
  background: rgba(123,108,246,0.1);
  border: 1px solid rgba(123,108,246,0.25);
  color: var(--c-primary);
}
.pl-desc {
  font-size: var(--fs-sm);
  color: var(--c-text-muted);
  line-height: 1.7;
}
.pl-price-col {
  text-align: right;
}
.pl-unit-price {
  font-size: var(--fs-sm);
  color: var(--c-text-muted);
  text-decoration: line-through;
  margin-bottom: 2px;
}
.pl-qty {
  font-size: var(--fs-sm);
  color: var(--c-text-muted);
  margin-bottom: 4px;
}
.pl-subtotal {
  font-size: var(--fs-xl);
  font-weight: 800;
  color: var(--c-primary);
}

/* ── Add-ons ─────────────────────────────────────────────────── */
.addon-section { }
.addon-title {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: 6px;
}
.addon-title i { color: var(--c-accent); }
.addon-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.addon-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-md);
  align-items: center;
  padding: var(--space-md);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease),
              background var(--dur-fast) var(--ease);
}
.addon-item:hover {
  border-color: rgba(123,108,246,0.35);
  background: rgba(123,108,246,0.04);
}
.addon-item input[type="checkbox"] {
  width: 18px; height: 18px;
  accent-color: var(--c-primary);
  cursor: pointer;
}
.addon-name {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 3px;
}
.addon-desc {
  display: block;
  font-size: var(--fs-xs);
  color: var(--c-text-muted);
}
.addon-price {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--c-accent);
  white-space: nowrap;
}
.addon-item:has(input:checked) {
  border-color: rgba(123,108,246,0.5);
  background: rgba(123,108,246,0.06);
}

/* ── Buyer Form ──────────────────────────────────────────────── */
.bf-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}
@media (max-width: 600px) {
  .bf-row { grid-template-columns: 1fr; }
}
.bf-group { display: flex; flex-direction: column; gap: 5px; }
.bf-full { grid-column: 1 / -1; }
.bf-group label {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--c-text);
}
.req { color: var(--c-danger); }
.bf-group input,
.bf-group select {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 0.65em 0.9em;
  color: var(--c-text);
  font-size: var(--fs-sm);
  outline: none;
  transition: border-color var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease);
}
.bf-group input:focus,
.bf-group select:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(123,108,246,0.12);
}
.bf-group input.err { border-color: var(--c-danger); }
.bf-err {
  font-size: var(--fs-xs);
  color: var(--c-danger);
  min-height: 14px;
}

.invoice-toggle {
  margin: var(--space-md) 0;
}
.it-label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-sm);
  color: var(--c-text-muted);
  cursor: pointer;
}
.it-label input { accent-color: var(--c-primary); }
.invoice-fields {
  background: rgba(123,108,246,0.04);
  border: 1px solid rgba(123,108,246,0.15);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-top: var(--space-sm);
}

#buyer-remark {
  width: 100%;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 0.7em 0.9em;
  color: var(--c-text);
  font-size: var(--fs-sm);
  resize: vertical;
  min-height: 80px;
  outline: none;
  font-family: var(--font-sans);
  transition: border-color var(--dur-fast) var(--ease);
}
#buyer-remark:focus { border-color: var(--c-primary); }
.remark-count { font-size: var(--fs-xs); color: var(--c-text-dim); text-align: right; margin-top: 4px; }

/* ── Price Summary (Sidebar) ─────────────────────────────────── */
.price-summary { position: sticky; top: calc(var(--nav-h) + 16px); }
.price-lines {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}
.price-lines li {
  display: flex;
  justify-content: space-between;
  font-size: var(--fs-sm);
  color: var(--c-text-muted);
}
.discount-line { color: var(--c-accent) !important; }
.discount-val { font-weight: 700; }
.addon-price-line { color: var(--c-text-muted); }
.price-divider {
  height: 1px;
  background: var(--c-border);
  margin: var(--space-md) 0;
}
.price-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--fs-base);
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: var(--space-md);
}
.total-val {
  font-size: var(--fs-2xl);
  font-weight: 800;
  color: var(--c-primary);
}
.price-note {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  font-size: var(--fs-xs);
  color: var(--c-text-dim);
  line-height: 1.5;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--c-border);
}
.price-note i { color: var(--c-text-dim); margin-top: 2px; }

/* ── Order Meta (Compliance) ─────────────────────────────────── */
.order-meta-card { }
.om-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.om-list li {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  font-size: var(--fs-xs);
  gap: var(--space-sm);
}
.om-list li span { color: var(--c-text-muted); flex-shrink: 0; }
.om-list li strong {
  color: var(--c-text);
  font-weight: 600;
  text-align: right;
  word-break: break-all;
}

/* ── Payment Methods ─────────────────────────────────────────── */
.pm-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.pm-option {
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  gap: var(--space-sm);
  align-items: center;
  padding: var(--space-md);
  background: var(--c-bg);
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease),
              background var(--dur-fast) var(--ease);
}
.pm-option input[type="radio"] { display: none; }
.pm-option:has(input:checked) {
  border-color: var(--c-primary);
  background: rgba(123,108,246,0.06);
}
.pm-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}
.alipay-icon { background: rgba(0,163,230,0.12); color: #00a3e6; }
.wechat-icon { background: rgba(7,193,96,0.12); color: #07c160; }
.transfer-icon { background: rgba(255,183,71,0.12); color: var(--c-warning); }
.pm-label strong {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--c-text);
}
.pm-label span { font-size: var(--fs-xs); color: var(--c-text-muted); }
.pm-badge {
  padding: 2px 8px;
  background: rgba(123,108,246,0.12);
  border: 1px solid rgba(123,108,246,0.25);
  border-radius: var(--radius-full);
  font-size: 10px;
  font-weight: 700;
  color: var(--c-primary);
  white-space: nowrap;
}
.pm-badge-soon {
  background: rgba(255,183,71,0.12);
  border-color: rgba(255,183,71,0.25);
  color: var(--c-warning);
}

/* ── Submit ──────────────────────────────────────────────────── */
.co-submit-wrap { padding: 0; }
.co-agree {
  margin-bottom: var(--space-md);
}
.co-agree label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: var(--fs-xs);
  color: var(--c-text-muted);
  cursor: pointer;
  line-height: 1.6;
}
.co-agree input { accent-color: var(--c-primary); margin-top: 3px; flex-shrink: 0; }
.co-agree a { color: var(--c-primary); }
.co-pay-btn {
  font-size: var(--fs-lg);
  padding: 0.9em;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-sm);
  transition: all var(--dur-base) var(--ease);
}
.co-pay-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}
.co-security {
  text-align: center;
  font-size: var(--fs-xs);
  color: var(--c-text-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}
.co-security i { color: var(--c-accent); }

/* ── Alipay Modal ────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 8, 16, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  animation: fadeIn 0.2s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal-box {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  max-width: 520px;
  width: 100%;
  position: relative;
  animation: modalIn 0.3s var(--ease);
  max-height: 90vh;
  overflow-y: auto;
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(0.93) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.modal-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  width: 32px; height: 32px;
  border-radius: 50%;
  color: var(--c-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--dur-fast) var(--ease);
}
.modal-close:hover { color: var(--c-text); border-color: var(--c-primary); }
.modal-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  text-align: center;
}
.alipay-big { font-size: 3rem; color: #00a3e6; }
.modal-header h2 { font-size: var(--fs-xl); }

.modal-order-confirm {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
}
.moc-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: 6px 0;
  border-bottom: 1px solid var(--c-border);
  font-size: var(--fs-sm);
}
.moc-row:last-child { border-bottom: none; }
.moc-row span { color: var(--c-text-muted); flex-shrink: 0; }
.moc-row strong { color: var(--c-text); text-align: right; word-break: break-all; }
.moc-total { margin-top: var(--space-sm); }
.moc-total-val {
  font-size: var(--fs-2xl);
  font-weight: 800;
  color: var(--c-primary);
}

.modal-alipay-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}
.qr-placeholder-box {
  width: 180px; height: 180px;
  background: var(--c-bg);
  border: 2px dashed rgba(0,163,230,0.35);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  position: relative;
  overflow: hidden;
}
.qr-scan-anim {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, #00a3e6, transparent);
  animation: scanLine 2s ease-in-out infinite;
}
@keyframes scanLine {
  0% { top: 0; }
  100% { top: 100%; }
}
.qr-icon { font-size: 3rem; color: #00a3e6; }
.qr-note { font-size: var(--fs-xs); font-weight: 700; color: var(--c-text-muted); }
.qr-sub { font-size: 9px; color: var(--c-text-dim); text-align: center; padding: 0 8px; }

.btn-alipay {
  background: #00a3e6;
  color: white;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.7em 1.4em;
  font-size: var(--fs-sm);
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  transition: background var(--dur-fast) var(--ease),
              transform var(--dur-fast) var(--ease);
  text-decoration: none;
}
.btn-alipay:hover { background: #0088c4; transform: translateY(-2px); color: white; }

.modal-notice {
  background: rgba(123,108,246,0.06);
  border: 1px solid rgba(123,108,246,0.15);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  font-size: var(--fs-xs);
  color: var(--c-text-muted);
  line-height: 1.7;
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}
.modal-notice i { color: var(--c-primary); flex-shrink: 0; margin-top: 2px; }
.modal-footer-btns {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
}

/* ── Success Overlay ─────────────────────────────────────────── */
.success-overlay {
  position: fixed;
  inset: 0;
  background: var(--c-bg);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  animation: fadeIn 0.4s ease;
}
.success-box {
  max-width: 560px;
  width: 100%;
  text-align: center;
}
.success-icon {
  font-size: 5rem;
  color: var(--c-accent);
  margin-bottom: var(--space-lg);
  animation: successPop 0.5s var(--ease);
}
@keyframes successPop {
  from { transform: scale(0.4) rotate(-30deg); opacity: 0; }
  to { transform: scale(1) rotate(0deg); opacity: 1; }
}
.success-box h2 {
  font-size: var(--fs-4xl);
  margin-bottom: var(--space-sm);
}
.success-box > p {
  color: var(--c-text-muted);
  margin-bottom: var(--space-xl);
}
.success-order-info {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
  text-align: left;
}
.soi-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: var(--fs-sm);
  border-bottom: 1px solid var(--c-border);
}
.soi-row:last-child { border-bottom: none; }
.soi-row span { color: var(--c-text-muted); }
.soi-row strong { color: var(--c-text); }
.success-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
}
.success-note {
  font-size: var(--fs-xs);
  color: var(--c-text-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}
.success-note a { color: var(--c-primary); }

/* ── Print Styles ────────────────────────────────────────────── */
@media print {
  #nav, .co-right .payment-method-card, .co-submit-wrap,
  .addon-section, footer, #alipay-modal, #success-overlay { display: none; }
  .co-layout { grid-template-columns: 1fr; }
  .co-right { order: 0; }
  .co-card { break-inside: avoid; border: 1px solid #ccc; }
  body { background: white; color: black; }
  .co-header::before {
    content: 'www.voxvoy.com · 上海悠希数码技术有限公司 · 沪ICP备16039335号-8';
    display: block;
    font-size: 10px;
    color: #666;
    margin-bottom: 8px;
  }
}