/* NeuroSocks cart — green iridescent checkout */
:root {
  --ns-green: #10b981;
  --ns-green-mid: #34d399;
  --ns-green-light: #d1fae5;
  --ns-green-pale: #ecfdf5;
  --ns-teal: #14b8a6;
  --ns-emerald: #059669;
  --ns-deep: #047857;
  --ns-white: #ffffff;
  --ns-ink: #064e3b;
  --ns-muted: #4b7c6f;
  --ns-border: #a7f3d0;
  --ns-gradient: linear-gradient(135deg, #6ee7b7 0%, #10b981 35%, #14b8a6 65%, #34d399 100%);
  --ns-gradient-shine: linear-gradient(
    120deg,
    #a7f3d0 0%,
    #6ee7b7 20%,
    #10b981 40%,
    #14b8a6 60%,
    #34d399 80%,
    #a7f3d0 100%
  );
  --radius: 16px;
  --radius-lg: 24px;
  --font-body: 'Source Sans 3', system-ui, sans-serif;
  --font-heading: 'Outfit', system-ui, sans-serif;
}

@keyframes ns-shimmer {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body.cart-page {
  font-family: var(--font-body);
  background: linear-gradient(180deg, #f0fdf4 0%, #ecfdf5 50%, #d1fae5 100%);
  color: var(--ns-ink);
  min-height: 100vh;
  line-height: 1.5;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.cart-header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--ns-border);
  padding: 1rem 0;
  box-shadow: 0 4px 20px rgba(16, 185, 129, 0.12);
}

.cart-header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.cart-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: inherit;
}

.cart-brand-icon {
  width: 48px;
  height: 48px;
  background: var(--ns-gradient-shine);
  background-size: 200% 200%;
  animation: ns-shimmer 5s ease infinite;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  color: #fff;
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.35);
}

.cart-brand-text h1 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--ns-deep);
  letter-spacing: -0.02em;
}

.cart-brand-text p {
  font-size: 0.8rem;
  color: var(--ns-muted);
}

.cart-support {
  text-align: right;
  font-size: 0.85rem;
  color: var(--ns-muted);
}

.cart-support a {
  color: var(--ns-emerald);
  text-decoration: none;
  font-weight: 600;
}

.cart-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 2rem;
  margin-top: 2rem;
  align-items: start;
  padding-bottom: 3rem;
}

.cart-main {
  background: linear-gradient(160deg, #ffffff 0%, #ecfdf5 100%);
  border: 1px solid var(--ns-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: 0 8px 32px rgba(16, 185, 129, 0.1);
}

.checkout-steps {
  display: flex;
  justify-content: space-between;
  margin-bottom: 2.5rem;
  position: relative;
}

.checkout-steps::before {
  content: '';
  position: absolute;
  top: 22px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, #d1fae5, #6ee7b7, #d1fae5);
  z-index: 0;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  position: relative;
  z-index: 1;
  flex: 1;
}

.step-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--ns-green-pale);
  border: 2px solid var(--ns-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all 0.2s;
}

.step-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ns-muted);
  text-align: center;
}

.step.active .step-icon,
.step.completed .step-icon {
  background: var(--ns-gradient-shine);
  background-size: 200% 200%;
  animation: ns-shimmer 4s ease infinite;
  border-color: var(--ns-emerald);
  color: #fff;
}

.step.active .step-label { color: var(--ns-deep); }

.checkout-panel { display: none; }
.checkout-panel.active { display: block; }

.checkout-panel h2 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--ns-ink);
}

.cart-product {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  gap: 1.25rem;
  align-items: center;
  padding: 1.25rem;
  background: linear-gradient(145deg, #ffffff 0%, #ecfdf5 100%);
  border-radius: var(--radius);
  border: 1px solid var(--ns-border);
  margin-bottom: 1.5rem;
}

.cart-product-img {
  width: 100px;
  height: 100px;
  object-fit: contain;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--ns-border);
}

.cart-product-info h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.cart-product-info p {
  font-size: 0.85rem;
  color: var(--ns-muted);
}

.qty-control {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
  border: 1px solid var(--ns-border);
  border-radius: 999px;
  padding: 0.25rem;
  background: #fff;
}

.qty-btn {
  width: 32px;
  height: 32px;
  border: none;
  background: var(--ns-green-light);
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.1rem;
  color: var(--ns-deep);
  font-weight: 700;
}

.qty-value {
  min-width: 24px;
  text-align: center;
  font-weight: 600;
}

.cart-product-price {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ns-emerald);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group { display: flex; flex-direction: column; gap: 0.35rem; }
.form-group.full { grid-column: 1 / -1; }

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ns-ink);
}

.form-group input,
.form-group select {
  padding: 0.75rem 1rem;
  border: 1px solid var(--ns-border);
  border-radius: 10px;
  font-family: inherit;
  font-size: 1rem;
  background: #fff;
}

.form-group input:focus,
.form-group select:focus {
  outline: 2px solid var(--ns-green);
  border-color: var(--ns-green);
}

.btn-row {
  display: flex;
  justify-content: space-between;
  margin-top: 2rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-next,
.btn-back {
  padding: 0.85rem 1.75rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  font-family: inherit;
}

.btn-next {
  background: var(--ns-gradient-shine);
  background-size: 200% 200%;
  color: #fff;
  margin-left: auto;
  box-shadow: 0 6px 24px rgba(16, 185, 129, 0.4);
  transition: transform 0.2s;
}

.btn-next:hover {
  animation: ns-shimmer 2s ease infinite;
  transform: translateY(-1px);
}

.btn-back {
  background: #fff;
  border: 1px solid var(--ns-border);
  color: var(--ns-muted);
}

.payment-methods {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.payment-tab {
  flex: 1;
  min-width: 100px;
  padding: 0.85rem;
  border: 2px solid var(--ns-border);
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
  font-weight: 600;
  font-family: inherit;
  transition: all 0.2s;
}

.payment-tab.active {
  border-color: var(--ns-green);
  background: linear-gradient(160deg, #ecfdf5 0%, #d1fae5 100%);
  color: var(--ns-deep);
}

.payment-panel { display: none; }
.payment-panel.active { display: block; }

.card-preview {
  background: linear-gradient(135deg, #047857 0%, #10b981 50%, #14b8a6 100%);
  border-radius: 16px;
  padding: 1.5rem;
  color: #fff;
  margin-bottom: 1.5rem;
  min-height: 140px;
  box-shadow: 0 8px 24px rgba(5, 150, 105, 0.3);
}

.card-number { font-size: 1.25rem; letter-spacing: 0.15em; margin-bottom: 2rem; }
.card-meta { display: flex; justify-content: space-between; font-size: 0.75rem; opacity: 0.9; }

.bank-info, .cod-info {
  padding: 1.25rem;
  background: linear-gradient(160deg, #ecfdf5 0%, #d1fae5 100%);
  border-radius: var(--radius);
  border: 1px solid var(--ns-border);
}

.bank-info p, .cod-info p { margin-bottom: 0.5rem; font-size: 0.95rem; }

.bank-warning {
  margin-top: 1rem;
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 8px;
  font-size: 0.85rem;
  color: var(--ns-deep);
  border: 1px solid var(--ns-border);
}

.checkbox-group {
  display: flex;
  gap: 0.75rem;
  margin: 1.5rem 0;
  align-items: flex-start;
}

.checkbox-group a { color: var(--ns-emerald); }

.summary-card {
  background: linear-gradient(165deg, #ffffff 0%, #ecfdf5 50%, #d1fae5 100%);
  border: 1px solid var(--ns-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: sticky;
  top: 1rem;
  box-shadow: 0 8px 32px rgba(16, 185, 129, 0.12);
}

.summary-card h3 {
  font-family: var(--font-heading);
  margin-bottom: 1.25rem;
  font-size: 1.15rem;
  color: var(--ns-deep);
}

.summary-line {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  font-size: 0.95rem;
  color: var(--ns-muted);
}

.summary-line.total {
  border-top: 2px solid var(--ns-border);
  margin-top: 0.75rem;
  padding-top: 1rem;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ns-ink);
}

.summary-trust {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--ns-border);
}

.trust-item {
  font-size: 0.8rem;
  color: var(--ns-muted);
  margin-bottom: 0.5rem;
}

.confirmation-panel { text-align: center; padding: 2rem 0; }

.confirmation-icon {
  width: 72px;
  height: 72px;
  background: var(--ns-gradient-shine);
  background-size: 200% 200%;
  animation: ns-shimmer 3s ease infinite;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 1.5rem;
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.4);
}

.order-id {
  font-weight: 700;
  margin: 1rem 0 2rem;
  color: var(--ns-emerald);
}

.next-steps {
  text-align: left;
  max-width: 400px;
  margin: 0 auto 2rem;
}

.next-steps h3 {
  font-family: var(--font-heading);
  margin-bottom: 1rem;
}

.step-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.step-num {
  width: 32px;
  height: 32px;
  background: var(--ns-gradient-shine);
  background-size: 200% 200%;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
  font-size: 0.85rem;
}

.btn-primary {
  display: inline-block;
  padding: 0.85rem 2rem;
  background: var(--ns-gradient-shine);
  background-size: 200% 200%;
  color: #fff;
  text-decoration: none;
  border-radius: 999px;
  font-weight: 700;
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
}

.btn-primary:hover {
  animation: ns-shimmer 2s ease infinite;
}

.cart-footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.85rem;
  color: #ecfdf5;
  background: linear-gradient(160deg, #047857 0%, #10b981 50%, #14b8a6 100%);
  margin-top: 2rem;
}

.cart-footer a { color: #ffffff; margin: 0 0.5rem; font-weight: 500; }

.legal-note {
  font-size: 0.75rem;
  color: var(--ns-muted);
  margin-top: 1rem;
  line-height: 1.4;
}

@media (max-width: 900px) {
  .cart-layout { grid-template-columns: 1fr; }
  .summary-card { position: static; }
  .cart-product { grid-template-columns: 80px 1fr; }
  .cart-product-price { grid-column: 2; text-align: right; }
  .form-grid { grid-template-columns: 1fr; }
}