/* ============================================
   Premium Payment Component v1.0
   Apple × Stripe × Notion Design Language
   ============================================ */

/* ── Payment Card Container ── */
.payment-card {
  background: var(--white);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 24px;
  padding: 0;
  box-shadow:
    0 1px 3px rgba(0, 0, 0, 0.04),
    0 4px 12px rgba(0, 0, 0, 0.03),
    0 12px 32px rgba(0, 0, 0, 0.02);
  overflow: hidden;
  position: relative;
}

.payment-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #2563EB 0%, #60A5FA 50%, #2563EB 100%);
  background-size: 200% 100%;
  animation: payment-shimmer 3s ease-in-out infinite;
}

@keyframes payment-shimmer {
  0%, 100% { background-position: 200% 0; }
  50% { background-position: -200% 0; }
}

/* ── Payment Header ── */
.payment-header {
  padding: 36px 32px 28px;
  text-align: center;
  position: relative;
}

.payment-header-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  color: #2563EB;
  animation: payment-icon-entrance 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@keyframes payment-icon-entrance {
  from { opacity: 0; transform: scale(0.5) translateY(12px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.payment-header-icon svg {
  width: 28px;
  height: 28px;
}

.payment-header h2 {
  font-size: 22px;
  font-weight: 700;
  color: #111827;
  margin: 0 0 6px;
  letter-spacing: -0.02em;
}

.payment-header p {
  font-size: 14px;
  color: #6B7280;
  margin: 0;
  line-height: 1.5;
}

/* ── Security Badge ── */
.payment-security-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: #F0FDF4;
  border: 1px solid #BBF7D0;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: #15803D;
  margin-top: 14px;
  animation: payment-badge-fade 0.8s ease both 0.3s;
}

@keyframes payment-badge-fade {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.payment-security-badge svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* ── Payment Amount Display ── */
.payment-amount-display {
  background: linear-gradient(135deg, #F8FAFC 0%, #F1F5F9 100%);
  border-top: 1px solid rgba(0, 0, 0, 0.04);
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  padding: 24px 32px;
  text-align: center;
}

.payment-amount-label {
  font-size: 12px;
  font-weight: 600;
  color: #9CA3AF;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.payment-amount-value {
  font-size: 42px;
  font-weight: 800;
  color: #111827;
  letter-spacing: -0.03em;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  animation: payment-amount-count 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) both 0.2s;
}

@keyframes payment-amount-count {
  from { opacity: 0; transform: scale(0.8); }
  to { opacity: 1; transform: scale(1); }
}

.payment-amount-currency {
  font-size: 24px;
  font-weight: 700;
  color: #6B7280;
  vertical-align: super;
  margin-right: 2px;
}

.payment-amount-category {
  display: inline-block;
  margin-top: 8px;
  padding: 4px 12px;
  background: rgba(37, 99, 235, 0.08);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: #2563EB;
}

/* ── Payment Body ── */
.payment-body {
  padding: 28px 32px 32px;
}

/* ── Payment Method Tabs ── */
.payment-tabs {
  display: flex;
  background: #F3F4F6;
  border-radius: 14px;
  padding: 4px;
  position: relative;
  margin-bottom: 28px;
}

.payment-tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 11px;
  font-size: 14px;
  font-weight: 600;
  color: #6B7280;
  cursor: pointer;
  border: none;
  background: transparent;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  z-index: 1;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.payment-tab svg {
  width: 18px;
  height: 18px;
  transition: color 0.3s ease;
}

.payment-tab.active {
  color: #111827;
  background: var(--white);
  box-shadow:
    0 1px 3px rgba(0, 0, 0, 0.08),
    0 2px 8px rgba(0, 0, 0, 0.04);
}

.payment-tab:hover:not(.active) {
  color: #374151;
  background: rgba(255, 255, 255, 0.5);
}

/* ── Tab Content ── */
.payment-tab-content {
  display: none;
  animation: payment-tab-fade 0.4s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.payment-tab-content.active {
  display: block;
}

@keyframes payment-tab-fade {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── UPI Section ── */
.payment-qr-container {
  text-align: center;
  padding: 24px 0 20px;
}

.payment-qr-wrapper {
  display: inline-block;
  position: relative;
  padding: 16px;
  background: var(--white);
  border-radius: 20px;
  border: 2px solid #E5E7EB;
  box-shadow:
    0 2px 8px rgba(0, 0, 0, 0.04),
    0 4px 16px rgba(0, 0, 0, 0.02);
  transition: all 0.3s ease;
}

.payment-qr-wrapper:hover {
  border-color: #BFDBFE;
  box-shadow:
    0 4px 16px rgba(37, 99, 235, 0.08),
    0 8px 32px rgba(37, 99, 235, 0.04);
  transform: translateY(-2px);
}

.payment-qr-wrapper img {
  display: block;
  width: 220px;
  height: 220px;
  border-radius: 12px;
}

.payment-qr-scan-text {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 13px;
  font-weight: 500;
  color: #9CA3AF;
}

.payment-qr-scan-text svg {
  width: 16px;
  height: 16px;
  animation: payment-scan-pulse 2s ease-in-out infinite;
}

@keyframes payment-scan-pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* ── UPI ID Display ── */
.payment-upi-id-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 14px;
  margin-top: 20px;
  transition: all 0.2s ease;
}

.payment-upi-id-card:hover {
  background: #F1F5F9;
  border-color: #CBD5E1;
}

.payment-upi-id-label {
  font-size: 11px;
  font-weight: 600;
  color: #9CA3AF;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 2px;
}

.payment-upi-id-value {
  font-size: 15px;
  font-weight: 600;
  color: #1E293B;
  font-family: 'SF Mono', 'Fira Code', 'JetBrains Mono', monospace;
}

.payment-copy-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--white);
  border: 1px solid #E2E8F0;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  color: #374151;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.payment-copy-btn svg {
  width: 15px;
  height: 15px;
}

.payment-copy-btn:hover {
  background: #F8FAFC;
  border-color: #CBD5E1;
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}

.payment-copy-btn:active {
  transform: translateY(0);
}

.payment-copy-btn.copied {
  background: #F0FDF4;
  border-color: #BBF7D0;
  color: #15803D;
}

/* ── Pay Now Button ── */
.payment-upi-pay-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 16px 24px;
  margin-top: 24px;
  background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
  color: var(--white);
  border: none;
  border-radius: 14px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  box-shadow:
    0 4px 12px rgba(37, 99, 235, 0.3),
    0 2px 4px rgba(37, 99, 235, 0.2);
}

.payment-upi-pay-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 50%, rgba(255,255,255,0.05) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.payment-upi-pay-btn:hover {
  transform: translateY(-2px);
  box-shadow:
    0 8px 20px rgba(37, 99, 235, 0.35),
    0 4px 8px rgba(37, 99, 235, 0.2);
}

.payment-upi-pay-btn:hover::before {
  opacity: 1;
}

.payment-upi-pay-btn:active {
  transform: translateY(0);
  box-shadow:
    0 2px 8px rgba(37, 99, 235, 0.3);
}

.payment-upi-pay-btn svg {
  width: 20px;
  height: 20px;
}

/* ── Ripple Effect ── */
.payment-ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: scale(0);
  animation: payment-ripple-anim 0.6s ease-out;
  pointer-events: none;
}

@keyframes payment-ripple-anim {
  to { transform: scale(4); opacity: 0; }
}

/* ── UPI App Icons ── */
.payment-upi-apps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 18px;
  flex-wrap: wrap;
}

.payment-upi-apps-label {
  font-size: 12px;
  font-weight: 500;
  color: #9CA3AF;
  margin-right: 4px;
}

.payment-upi-app-icon {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--white);
  border: 1px solid #F3F4F6;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  overflow: hidden;
}

.payment-upi-app-icon:hover {
  transform: translateY(-2px);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.08);
  border-color: #E5E7EB;
}

.payment-upi-app-icon img {
  width: 20px;
  height: 20px;
  object-fit: contain;
}

.payment-upi-app-icon svg {
  width: 18px;
  height: 18px;
}

/* ── Bank Transfer Section ── */
.payment-bank-cards {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.payment-bank-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 1px solid #F3F4F6;
  transition: background 0.2s ease;
}

.payment-bank-row:last-child {
  border-bottom: none;
}

.payment-bank-row:hover {
  background: #FAFBFC;
  margin: 0 -8px;
  padding: 16px 8px;
  border-radius: 10px;
}

.payment-bank-row-info {
  flex: 1;
  min-width: 0;
}

.payment-bank-row-label {
  font-size: 11px;
  font-weight: 600;
  color: #9CA3AF;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 3px;
}

.payment-bank-row-value {
  font-size: 15px;
  font-weight: 600;
  color: #1E293B;
  word-break: break-all;
}

.payment-bank-row .payment-copy-btn {
  flex-shrink: 0;
  margin-left: 12px;
}

/* ── Divider ── */
.payment-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 28px 0;
}

.payment-divider::before,
.payment-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: #E5E7EB;
}

.payment-divider span {
  font-size: 12px;
  font-weight: 600;
  color: #9CA3AF;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

/* ── Upload Section ── */
.payment-upload-section {
  margin-top: 0;
}

.payment-upload-section h3 {
  font-size: 16px;
  font-weight: 700;
  color: #111827;
  margin: 0 0 4px;
}

.payment-upload-section p {
  font-size: 13px;
  color: #6B7280;
  margin: 0 0 18px;
}

/* ── Transaction Reference Input ── */
.payment-input-group {
  margin-bottom: 18px;
}

.payment-input-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #374151;
  margin-bottom: 8px;
}

.payment-input-label .required {
  color: #EF4444;
  margin-left: 2px;
}

.payment-input {
  width: 100%;
  padding: 14px 18px;
  background: #FAFBFC;
  border: 1.5px solid #E2E8F0;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 500;
  color: #111827;
  font-family: inherit;
  transition: all 0.2s ease;
  outline: none;
  box-sizing: border-box;
}

.payment-input:focus {
  border-color: #2563EB;
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.08);
}

.payment-input::placeholder {
  color: #CBD5E1;
  font-weight: 400;
}

.payment-input.error {
  border-color: #EF4444;
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.08);
}

/* ── Premium Upload Zone ── */
.payment-upload-zone {
  position: relative;
  border: 2px dashed #D1D5DB;
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  background: #FAFBFC;
  overflow: hidden;
}

.payment-upload-zone:hover {
  border-color: #93C5FD;
  background: #F0F7FF;
}

.payment-upload-zone.dragover {
  border-color: #2563EB;
  background: #EFF6FF;
  border-style: solid;
  transform: scale(1.01);
}

.payment-upload-zone.has-file {
  border-style: solid;
  border-color: #BBF7D0;
  background: #F0FDF4;
  padding: 16px;
}

.payment-upload-zone input[type="file"] {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  z-index: 2;
}

.payment-upload-zone-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  color: #2563EB;
  transition: all 0.3s ease;
}

.payment-upload-zone:hover .payment-upload-zone-icon {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
}

.payment-upload-zone-icon svg {
  width: 24px;
  height: 24px;
}

.payment-upload-zone-text {
  font-size: 14px;
  color: #6B7280;
  line-height: 1.5;
}

.payment-upload-zone-text strong {
  color: #2563EB;
  font-weight: 600;
}

.payment-upload-zone-hint {
  font-size: 12px;
  color: #9CA3AF;
  margin-top: 6px;
}

/* ── Upload Preview ── */
.payment-upload-preview {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  text-align: left;
  position: relative;
  z-index: 3;
}

.payment-upload-preview-img {
  width: 64px;
  height: 64px;
  border-radius: 12px;
  object-fit: cover;
  border: 2px solid #E2E8F0;
  flex-shrink: 0;
}

.payment-upload-preview-info {
  flex: 1;
  min-width: 0;
}

.payment-upload-preview-name {
  font-size: 14px;
  font-weight: 600;
  color: #111827;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.payment-upload-preview-size {
  font-size: 12px;
  color: #10B981;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 2px;
}

.payment-upload-preview-size svg {
  width: 14px;
  height: 14px;
}

.payment-upload-remove-btn {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--white);
  border: 1px solid #E5E7EB;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #6B7280;
  transition: all 0.2s ease;
  flex-shrink: 0;
  z-index: 5;
}

.payment-upload-remove-btn:hover {
  background: #FEF2F2;
  border-color: #FECACA;
  color: #EF4444;
}

/* ── FAQ Accordion ── */
.payment-faq {
  margin-top: 28px;
}

.payment-faq-title {
  font-size: 15px;
  font-weight: 700;
  color: #111827;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.payment-faq-title svg {
  width: 18px;
  height: 18px;
  color: #2563EB;
}

.payment-faq-item {
  border: 1px solid #F3F4F6;
  border-radius: 12px;
  margin-bottom: 8px;
  overflow: hidden;
  transition: all 0.2s ease;
}

.payment-faq-item:hover {
  border-color: #E5E7EB;
}

.payment-faq-item.open {
  border-color: #BFDBFE;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.06);
}

.payment-faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: transparent;
  border: none;
  width: 100%;
  font-size: 14px;
  font-weight: 600;
  color: #374151;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: background 0.2s ease;
}

.payment-faq-question:hover {
  background: #FAFBFC;
}

.payment-faq-question svg {
  width: 18px;
  height: 18px;
  color: #9CA3AF;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  flex-shrink: 0;
}

.payment-faq-item.open .payment-faq-question svg {
  transform: rotate(180deg);
  color: #2563EB;
}

.payment-faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
}

.payment-faq-item.open .payment-faq-answer {
  max-height: 200px;
}

.payment-faq-answer-inner {
  padding: 0 18px 16px;
  font-size: 13px;
  color: #6B7280;
  line-height: 1.6;
}

/* ── Security Footer ── */
.payment-trust-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 20px 32px;
  background: #F8FAFC;
  border-top: 1px solid rgba(0, 0, 0, 0.04);
  flex-wrap: wrap;
}

.payment-trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  color: #9CA3AF;
}

.payment-trust-item svg {
  width: 14px;
  height: 14px;
  color: #10B981;
}

/* ── Floating Help Button ── */
.payment-help-btn {
  position: fixed;
  bottom: 100px;
  right: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: #25D366;
  color: var(--white);
  border: none;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  box-shadow:
    0 4px 12px rgba(37, 211, 102, 0.3),
    0 2px 4px rgba(37, 211, 102, 0.2);
  transition: all 0.3s ease;
  z-index: 1000;
  animation: payment-help-entrance 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both 1s;
}

@keyframes payment-help-entrance {
  from { opacity: 0; transform: translateY(20px) scale(0.8); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.payment-help-btn:hover {
  transform: translateY(-2px);
  box-shadow:
    0 8px 20px rgba(37, 211, 102, 0.35),
    0 4px 8px rgba(37, 211, 102, 0.2);
}

.payment-help-btn svg {
  width: 18px;
  height: 18px;
}

/* ── Success Modal ── */
.payment-success-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  padding: 20px;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.payment-success-overlay.active {
  opacity: 1;
  visibility: visible;
}

.payment-success-modal {
  background: var(--white);
  border-radius: 24px;
  padding: 48px 36px 36px;
  max-width: 400px;
  width: 100%;
  text-align: center;
  transform: scale(0.9) translateY(20px);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow:
    0 24px 48px rgba(0, 0, 0, 0.12),
    0 8px 16px rgba(0, 0, 0, 0.06);
}

.payment-success-overlay.active .payment-success-modal {
  transform: scale(1) translateY(0);
}

/* ── Animated Checkmark ── */
.payment-success-check {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, #10B981 0%, #059669 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  animation: payment-check-bounce 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) both 0.2s;
}

@keyframes payment-check-bounce {
  from { transform: scale(0); }
  to { transform: scale(1); }
}

.payment-success-check svg {
  width: 40px;
  height: 40px;
  color: var(--white);
}

.payment-success-check svg polyline {
  stroke-dasharray: 50;
  stroke-dashoffset: 50;
  animation: payment-check-draw 0.6s ease 0.5s forwards;
}

@keyframes payment-check-draw {
  to { stroke-dashoffset: 0; }
}

.payment-success-modal h3 {
  font-size: 22px;
  font-weight: 700;
  color: #111827;
  margin: 0 0 8px;
}

.payment-success-modal p {
  font-size: 14px;
  color: #6B7280;
  margin: 0 0 24px;
  line-height: 1.5;
}

.payment-success-close-btn {
  padding: 14px 32px;
  background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
  color: var(--white);
  border: none;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}

.payment-success-close-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* ── Confetti (Canvas) ── */
.payment-confetti-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 10001;
}

/* ── Loading Skeleton ── */
.payment-skeleton {
  background: linear-gradient(90deg, #F3F4F6 25%, #E5E7EB 50%, #F3F4F6 75%);
  background-size: 200% 100%;
  animation: payment-skeleton-shimmer 1.5s ease-in-out infinite;
  border-radius: 8px;
}

@keyframes payment-skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.payment-skeleton-text {
  height: 14px;
  margin-bottom: 8px;
  width: 80%;
}

.payment-skeleton-text.short {
  width: 50%;
}

.payment-skeleton-qr {
  width: 200px;
  height: 200px;
  margin: 20px auto;
  border-radius: 16px;
}

/* ── Contact Footer ── */
.payment-contact-footer {
  text-align: center;
  padding: 24px 32px;
  background: #F8FAFC;
  border-top: 1px solid rgba(0, 0, 0, 0.04);
}

.payment-contact-footer p {
  font-size: 13px;
  color: #9CA3AF;
  margin: 0 0 12px;
  font-weight: 500;
}

.payment-contact-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.payment-contact-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  color: #374151;
  text-decoration: none;
  background: var(--white);
  border: 1px solid #E5E7EB;
  transition: all 0.2s ease;
}

.payment-contact-link:hover {
  border-color: #CBD5E1;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.payment-contact-link svg {
  width: 16px;
  height: 16px;
}

.payment-contact-link.whatsapp {
  color: #25D366;
  border-color: #BBF7D0;
}

.payment-contact-link.whatsapp:hover {
  background: #F0FDF4;
}

.payment-contact-link.email-link {
  color: #2563EB;
  border-color: #BFDBFE;
}

.payment-contact-link.email-link:hover {
  background: #EFF6FF;
}

/* ── Submit Screenshot Button ── */
.payment-submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px 24px;
  margin-top: 16px;
  background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
  color: var(--white);
  border: none;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: inherit;
  position: relative;
  overflow: hidden;
}

.payment-submit-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.payment-submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.payment-submit-btn svg {
  width: 18px;
  height: 18px;
}

/* ── Loading Spinner for Buttons ── */
.payment-btn-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: payment-spin 0.6s linear infinite;
}

@keyframes payment-spin {
  to { transform: rotate(360deg); }
}

/* ── Toast Notification ── */
.payment-toast {
  position: fixed;
  top: 24px;
  right: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  background: var(--white);
  border-radius: 14px;
  box-shadow:
    0 8px 24px rgba(0, 0, 0, 0.12),
    0 2px 8px rgba(0, 0, 0, 0.06);
  font-size: 14px;
  font-weight: 600;
  color: #111827;
  z-index: 10002;
  transform: translateY(-20px);
  opacity: 0;
  animation: payment-toast-in 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.payment-toast.exit {
  animation: payment-toast-out 0.3s ease forwards;
}

@keyframes payment-toast-in {
  to { transform: translateY(0); opacity: 1; }
}

@keyframes payment-toast-out {
  to { transform: translateY(-20px); opacity: 0; }
}

.payment-toast svg {
  width: 18px;
  height: 18px;
  color: #10B981;
  flex-shrink: 0;
}

/* ══════════════════════════════════
   Responsive Design — Mobile First
   ══════════════════════════════════ */
@media (max-width: 640px) {
  .payment-header {
    padding: 28px 20px 22px;
  }

  .payment-header h2 {
    font-size: 20px;
  }

  .payment-amount-display {
    padding: 20px;
  }

  .payment-amount-value {
    font-size: 36px;
  }

  .payment-amount-currency {
    font-size: 20px;
  }

  .payment-body {
    padding: 22px 20px 24px;
  }

  .payment-tabs {
    border-radius: 12px;
  }

  .payment-tab {
    padding: 10px 12px;
    font-size: 13px;
    border-radius: 9px;
  }

  .payment-qr-wrapper img {
    width: 180px;
    height: 180px;
  }

  .payment-upi-id-card {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }

  .payment-upi-pay-btn {
    padding: 14px 20px;
    font-size: 15px;
  }

  .payment-bank-row {
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
  }

  .payment-bank-row .payment-copy-btn {
    margin-left: 0;
    align-self: flex-end;
  }

  .payment-trust-bar {
    padding: 16px 20px;
    gap: 14px;
  }

  .payment-trust-item {
    font-size: 11px;
  }

  .payment-contact-footer {
    padding: 20px;
  }

  .payment-contact-links {
    gap: 8px;
  }

  .payment-contact-link {
    padding: 6px 12px;
    font-size: 12px;
  }

  .payment-help-btn {
    bottom: 80px;
    right: 16px;
    padding: 10px 16px;
    font-size: 13px;
  }

  .payment-success-modal {
    padding: 36px 24px 28px;
  }
}



/* ── Smooth Animations ── */
.payment-fade-in {
  animation: payment-fade-in 0.5s ease both;
}

@keyframes payment-fade-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.payment-scale-in {
  animation: payment-scale-in 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@keyframes payment-scale-in {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

.payment-slide-up {
  animation: payment-slide-up 0.5s cubic-bezier(0.4, 0, 0.2, 1) both;
}

@keyframes payment-slide-up {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Hover Lift Utility ── */
.payment-hover-lift {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.payment-hover-lift:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* ── Glass Accent ── */
.payment-glass-accent {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}