/* Checkout Page Styles - Modern, Mobile-Responsive */

/* Checkout Page */
.checkout-page {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  padding-top: 120px;
}

.checkout-card {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 24px;
  padding: 2.5rem;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
  position: relative;
  overflow: hidden;
}

.checkout-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
}

.checkout-header {
  position: relative;
}

.checkout-icon {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  backdrop-filter: blur(10px);
}

.checkout-title {
  color: white;
  font-size: 2rem;
  font-weight: 800;
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.checkout-subtitle {
  font-size: 1.1rem;
}

.checkout-progress {
  height: 4px;
  background: rgba(255,255,255,0.3);
  border-radius: 10px;
  overflow: hidden;
  margin-top: 1rem;
}

.checkout-progress .progress-bar {
  background: linear-gradient(90deg, #00D07A, #28A745);
  border-radius: 10px;
  transition: width 0.3s ease;
}

/* Form Styles */
.checkout-card .form-label {
  color: white;
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

.checkout-card .form-control,
.checkout-card .form-control:focus {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.checkout-card .form-control:focus {
  background: white;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 0.25rem rgba(232, 168, 56, 0.25);
  transform: translateY(-1px);
}

.checkout-card .form-control::placeholder {
  color: #9CA3AF;
}

.checkout-card .input-group .form-control {
  border-radius: 12px 0 0 12px;
}

.checkout-card .input-group .input-group-text {
  background: #00D07A;
  border: none;
  border-radius: 0 12px 12px 0;
  color: white;
}

/* Amount Buttons */
.amount-buttons {
  border-radius: 16px;
  overflow: hidden;
}

.amount-btn {
  border: 2px solid rgba(255,255,255,0.3) !important;
  background: transparent !important;
  color: white !important;
  flex: 1;
  border-radius: 0 !important;
  font-weight: 600;
  transition: all 0.3s ease;
}

.amount-btn:hover,
.amount-btn.btn-light {
  background: rgba(255,255,255,0.2) !important;
  border-color: white !important;
  transform: translateY(-2px);
}

.amount-btn.btn-light {
  background: white !important;
  color: var(--primary-color) !important;
}

/* Card Inputs */
.card-input {
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 1px;
}

.card-brand {
  background: linear-gradient(45deg, #1E90FF, #4169E1);
  border-left: none;
}

/* Summary */
.checkout-summary {
  backdrop-filter: blur(10px);
}

.checkout-summary span {
  color: white;
}

.checkout-summary .fw-bold {
  color: white;
}

/* Checkout Button */
.checkout-btn {
  background: linear-gradient(135deg, #00D07A, #28A745);
  border: none;
  border-radius: 16px;
  font-size: 1.2rem;
  font-weight: 700;
  padding: 1rem 2rem;
  height: 60px;
  transition: all 0.3s ease;
  box-shadow: 0 10px 30px rgba(0, 208, 122, 0.4);
  position: relative;
  overflow: hidden;
}

.checkout-btn:hover:not(:disabled) {
  transform: translateY(-3px);
  box-shadow: 0 20px 40px rgba(232, 168, 56, 0.5);
}

.checkout-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Security Badges */
.security-badges {
  font-size: 0.85rem;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .checkout-card {
    margin: 1rem;
    padding: 2rem 1.5rem;
  }
  
  .checkout-title {
    font-size: 1.6rem;
  }
  
  .amount-buttons .btn {
    font-size: 0.9rem;
    padding: 0.75rem;
  }
  
  .checkout-btn {
    font-size: 1.1rem;
  }
}

@media (max-width: 576px) {
  .checkout-page {
    padding-top: 140px;
  }
  
  .checkout-card {
    padding: 1.5rem;
  }
}

/* Animations */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.checkout-card {
  animation: slideInUp 0.6s ease-out;
}

/* Valid State */
.form-control.is-valid {
  border-color: #10B981 !important;
  background: rgba(16, 185, 129, 0.1);
}

/* Focus Management */
.checkout-card .form-control:focus {
  outline: none;
}