/* ==========================================================================
   LYLIA CHECKOUT & PAYMENT GATEWAY MODAL (RAZORPAY / SHOPIFY STYLE)
   Color Graded in Royal Plum, Rose-Gold & Silk Ivory
   ========================================================================== */

.checkout-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(28, 7, 16, 0.72);
  backdrop-filter: blur(8px);
  z-index: 1100;
  opacity: 0;
  visibility: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

.checkout-modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.checkout-modal-card {
  background: #FFFFFF;
  width: 100%;
  max-width: 960px;
  max-height: 92vh;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px rgba(44, 11, 25, 0.35);
  border: 1px solid var(--border-gold);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  animation: modalPop 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes modalPop {
  0% { transform: scale(0.92) translateY(20px); opacity: 0; }
  100% { transform: scale(1) translateY(0); opacity: 1; }
}

/* Modal Header */
.checkout-header {
  background: linear-gradient(90deg, var(--color-plum-950), var(--color-plum-900));
  color: #FFFFFF;
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 2px solid var(--color-gold-500);
}

.checkout-brand-mini {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.checkout-brand-mini img {
  height: 38px;
  width: auto;
  border-radius: 4px;
}

.checkout-brand-mini h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  letter-spacing: 0.1em;
  color: #FFFFFF;
}

.checkout-brand-mini span {
  font-size: 0.62rem;
  color: var(--color-gold-400);
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.checkout-secure-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  color: var(--color-gold-300);
  background: rgba(255, 255, 255, 0.1);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(197, 155, 115, 0.3);
}

.checkout-close-btn {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.5rem;
  margin-left: 1rem;
}

.checkout-close-btn:hover {
  color: #FFFFFF;
}

/* Checkout Multi-Step Progress Tracker */
.checkout-steps-bar {
  display: flex;
  justify-content: center;
  background: #FAF5F1;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--border-light);
}

.checkout-step-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-light);
  position: relative;
}

.checkout-step-item:not(:last-child)::after {
  content: '';
  width: 50px;
  height: 2px;
  background: var(--border-light);
  margin: 0 1rem;
}

.step-bubble {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #FFFFFF;
  border: 2px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-light);
}

.checkout-step-item.active {
  color: var(--color-plum-900);
}

.checkout-step-item.active .step-bubble {
  background: var(--color-plum-700);
  border-color: var(--color-plum-700);
  color: #FFFFFF;
}

.checkout-step-item.completed {
  color: #2E7D32;
}

.checkout-step-item.completed .step-bubble {
  background: #2E7D32;
  border-color: #2E7D32;
  color: #FFFFFF;
}

/* Modal Body */
.checkout-modal-body {
  overflow-y: auto;
  flex-grow: 1;
  padding: 2rem;
}

.checkout-step-content {
  display: none;
}

.checkout-step-content.active {
  display: block;
}

/* Step 1: Address & Delivery Form */
.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.form-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-plum-900);
}

.form-control {
  padding: 0.8rem 1rem;
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-family: var(--font-sans);
  background: #FFFFFF;
  outline: none;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--color-plum-700);
  box-shadow: 0 0 0 3px rgba(92, 23, 51, 0.12);
}

/* Shipping Method Radio Cards */
.shipping-options-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}

.shipping-radio-card {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 1rem;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  transition: var(--transition);
}

.shipping-radio-card.selected,
.shipping-radio-card:hover {
  border-color: var(--color-plum-700);
  background: var(--bg-surface-alt);
}

/* Step 2: Payment Gateway Interface (Miraggio / Razorpay Inspired) */
.gateway-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  min-height: 380px;
}

/* Left Payment Tabs */
.gateway-tabs {
  background: #FAF5F1;
  border-right: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
}

.gateway-tab-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.1rem 1.25rem;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--color-plum-900);
  border-bottom: 1px solid var(--border-light);
  text-align: left;
  transition: var(--transition);
  position: relative;
}

.gateway-tab-btn:hover {
  background: #FFFFFF;
  color: var(--color-plum-700);
}

.gateway-tab-btn.active {
  background: #FFFFFF;
  color: var(--color-plum-700);
  font-weight: 700;
}

.gateway-tab-btn.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--color-gold-gradient);
}

.gateway-tab-btn svg {
  width: 20px;
  height: 20px;
  color: var(--color-gold-600);
}

/* Right Tab Panels */
.gateway-panel {
  padding: 2rem;
  display: none;
  background: #FFFFFF;
}

.gateway-panel.active {
  display: block;
}

/* 1. UPI QR Code Panel */
.upi-panel-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.upi-qr-card {
  background: #FAF7F5;
  border: 2px dashed var(--color-gold-500);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  margin-bottom: 1.5rem;
  max-width: 280px;
}

.upi-qr-card img {
  width: 180px;
  height: 180px;
  border-radius: var(--radius-xs);
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.qr-scan-line {
  position: absolute;
  top: 24px;
  left: 24px;
  right: 24px;
  height: 2px;
  background: var(--color-plum-600);
  box-shadow: 0 0 8px var(--color-plum-600);
  animation: scanMove 2.4s ease-in-out infinite;
}

@keyframes scanMove {
  0%, 100% { top: 24px; }
  50% { top: 190px; }
}

.qr-timer {
  font-size: 0.78rem;
  color: #C62828;
  font-weight: 600;
  margin-top: 0.75rem;
}

.upi-apps-icons {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.upi-pill {
  padding: 4px 12px;
  background: #FAF5F1;
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-full);
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--color-plum-900);
}

.btn-simulate-upi {
  background: #2E7D32;
  color: #FFFFFF;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  box-shadow: 0 4px 16px rgba(46, 125, 50, 0.28);
}

.btn-simulate-upi:hover {
  background: #1B5E20;
  transform: translateY(-2px);
}

/* 2. Interactive 3D Card Payment Panel */
.card-interactive-preview {
  perspective: 1000px;
  width: 100%;
  max-width: 380px;
  height: 210px;
  margin: 0 auto 1.75rem;
}

.credit-card-flipper {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.credit-card-flipper.flipped {
  transform: rotateY(180deg);
}

.card-face {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-md);
  padding: 1.5rem;
  backface-visibility: hidden;
  box-shadow: 0 12px 30px rgba(44, 11, 25, 0.28);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card-face.front {
  background: linear-gradient(135deg, var(--color-plum-900) 0%, var(--color-plum-700) 100%);
  color: #FFFFFF;
  border: 1px solid var(--border-gold);
}

.card-face.back {
  background: linear-gradient(135deg, var(--color-plum-950) 0%, var(--color-plum-800) 100%);
  color: #FFFFFF;
  transform: rotateY(180deg);
  border: 1px solid var(--border-gold);
  padding: 1.5rem 0;
}

.card-top-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-chip {
  width: 44px;
  height: 32px;
  background: var(--color-gold-gradient);
  border-radius: 4px;
  border: 1px solid rgba(0,0,0,0.15);
}

.card-brand-tag {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  letter-spacing: 0.1em;
  color: var(--color-gold-300);
}

.card-number-display {
  font-family: 'Courier New', Courier, monospace;
  font-size: 1.25rem;
  letter-spacing: 0.15em;
  color: #FFFFFF;
  text-shadow: 0 2px 4px rgba(0,0,0,0.4);
}

.card-bottom-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.card-holder-label {
  font-size: 0.6rem;
  text-transform: uppercase;
  color: var(--color-gold-300);
  letter-spacing: 0.1em;
}

.card-holder-name {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.card-magnetic-strip {
  height: 42px;
  background: #11040A;
  width: 100%;
  margin-bottom: 1.5rem;
}

.card-cvv-box {
  background: #FFFFFF;
  color: #000000;
  height: 34px;
  margin: 0 1.5rem;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 1rem;
  font-family: 'Courier New', Courier, monospace;
  font-weight: 700;
  letter-spacing: 0.2em;
}

/* 3. NetBanking Panel */
.bank-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.bank-item-card {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.78rem;
  font-weight: 600;
  text-align: center;
}

.bank-item-card:hover,
.bank-item-card.selected {
  border-color: var(--color-plum-700);
  background: var(--bg-surface-alt);
  color: var(--color-plum-700);
}

/* 4. Cash on Delivery (COD) */
.cod-panel-box {
  background: #FAF5F1;
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.cod-panel-box h4 {
  color: var(--color-plum-900);
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.cod-panel-box p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Step 3: Order Confirmation & Invoice */
.order-success-card {
  text-align: center;
  padding: 1rem 0;
}

.success-check-circle {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: #E8F5E9;
  color: #2E7D32;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  box-shadow: 0 4px 20px rgba(46, 125, 50, 0.2);
}

.success-check-circle svg {
  width: 38px;
  height: 38px;
}

.order-success-card h2 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  color: var(--color-plum-900);
  margin-bottom: 0.5rem;
}

.order-id-badge {
  display: inline-block;
  background: var(--color-gold-gradient-soft);
  border: 1px solid var(--border-gold);
  color: var(--color-plum-800);
  font-weight: 700;
  font-size: 0.88rem;
  padding: 0.35rem 1.25rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
}

.invoice-preview-box {
  background: #FAF7F5;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: left;
  max-width: 600px;
  margin: 0 auto 2rem;
}

.invoice-line {
  display: flex;
  justify-content: space-between;
  font-size: 0.84rem;
  margin-bottom: 0.5rem;
  color: var(--text-muted);
}

.invoice-line.total {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-plum-900);
  border-top: 1px solid var(--border-gold);
  padding-top: 0.75rem;
  margin-top: 0.75rem;
}

.order-tracking-timeline {
  display: flex;
  justify-content: space-between;
  position: relative;
  margin: 2rem 0;
}

.order-tracking-timeline::before {
  content: '';
  position: absolute;
  top: 14px;
  left: 20px;
  right: 20px;
  height: 2px;
  background: #2E7D32;
  z-index: 1;
}

.tracking-node {
  position: relative;
  z-index: 2;
  background: #FFFFFF;
  padding: 0 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

.tracking-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #2E7D32;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
}

.tracking-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-plum-900);
}

.whatsapp-alert-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #E8F5E9;
  color: #1B5E20;
  font-size: 0.78rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
}

/* Modal Bottom Actions */
.checkout-footer-actions {
  background: #FAF5F1;
  padding: 1.25rem 2rem;
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* 3D SECURE OTP SIMULATOR MODAL */
.otp-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  z-index: 1200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.otp-modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.otp-card {
  background: #FFFFFF;
  width: 100%;
  max-width: 420px;
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
  border: 1px solid var(--border-gold);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.otp-bank-logo {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-plum-900);
  margin-bottom: 1rem;
}

.otp-input-boxes {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  margin: 1.5rem 0;
}

.otp-digit {
  width: 44px;
  height: 50px;
  border: 2px solid var(--border-gold);
  border-radius: var(--radius-xs);
  text-align: center;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-plum-900);
  outline: none;
}

.otp-digit:focus {
  border-color: var(--color-plum-700);
}

/* Responsive Gateway */
@media (max-width: 768px) {
  .gateway-layout {
    grid-template-columns: 1fr;
  }
  .gateway-tabs {
    flex-direction: row;
    overflow-x: auto;
  }
  .gateway-tab-btn {
    padding: 0.75rem 1rem;
    white-space: nowrap;
  }
  .form-grid-2 {
    grid-template-columns: 1fr;
  }
  .shipping-options-row {
    grid-template-columns: 1fr;
  }
  .bank-grid {
    grid-template-columns: 1fr 1fr;
  }
}