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

:root {
  --color-primary: #1a1a1a;
  --color-secondary: #f5f5f5;
  --color-accent: #0066ff;
  --color-success: #00c853;
  --color-error: #ff3b30;
  --color-text: #1a1a1a;
  --color-text-secondary: #666666;
  --color-border: #e0e0e0;
  --color-background: #ffffff;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Helvetica", "Arial", sans-serif;
  background: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
  min-height: 100vh;
  display: block;
  padding: 0;
  color: var(--color-text);
  line-height: 1.6;
}

/* Made app container truly fullscreen */
.app-container {
  background: var(--color-background);
  border-radius: 0;
  box-shadow: none;
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  animation: fadeIn 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Enhanced header with logo styling */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 28px;
  border-bottom: 1px solid var(--color-border);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--color-primary);
}

.logo-icon {
  flex-shrink: 0;
}

.close-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: var(--color-secondary);
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  color: var(--color-text-secondary);
}

.close-btn:hover {
  background: var(--color-border);
  transform: rotate(90deg);
}

/* Progress Bar */
.progress-container {
  height: 4px;
  background: var(--color-secondary);
  position: relative;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent) 0%, #0052cc 100%);
  width: 25%;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.progress-bar::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* Step Indicators */
.step-indicators {
  display: flex;
  justify-content: space-between;
  padding: 28px 28px 20px;
  gap: 12px;
}

.step-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex: 1;
  opacity: 0.4;
  transition: var(--transition);
}

.step-indicator.active {
  opacity: 1;
}

.step-indicator.completed {
  opacity: 0.7;
}

.step-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
  transition: var(--transition);
  color: var(--color-text-secondary);
}

.step-indicator.active .step-circle {
  background: var(--color-accent);
  color: white;
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

.step-indicator.completed .step-circle {
  background: var(--color-success);
  color: white;
}

.step-indicator span {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.step-indicator.active span {
  color: var(--color-text);
  font-weight: 600;
}

/* Main Content */
.main-content {
  padding: 32px 28px;
  min-height: 420px;
  position: relative;
  flex: 1;
}

.step-content {
  display: none;
  animation: fadeIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.step-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
  color: var(--color-primary);
}

.step-subtitle {
  font-size: 15px;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
}

/* Search Box */
.search-box {
  position: relative;
  margin-bottom: 32px;
}

.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-secondary);
}

.search-box input {
  width: 100%;
  padding: 14px 16px 14px 48px;
  border: 2px solid var(--color-border);
  border-radius: 12px;
  font-size: 15px;
  transition: var(--transition);
  background: var(--color-background);
}

.search-box input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.1);
}

/* Contacts */
.recent-contacts h3 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px;
  border-radius: 12px;
  cursor: pointer;
  transition: var(--transition);
  background: var(--color-background);
}

.contact-item:hover {
  background: var(--color-secondary);
  transform: translateX(4px);
}

.contact-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: white;
  font-size: 16px;
  flex-shrink: 0;
}

.contact-info {
  flex: 1;
}

.contact-name {
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 2px;
}

.contact-username {
  font-size: 14px;
  color: var(--color-text-secondary);
}

/* Amount Input */
.amount-input-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 40px 0;
}

.currency-symbol {
  font-size: 48px;
  font-weight: 300;
  color: var(--color-text-secondary);
}

.amount-input {
  font-size: 64px;
  font-weight: 700;
  border: none;
  background: transparent;
  width: 280px;
  text-align: left;
  color: var(--color-primary);
  letter-spacing: -2px;
}

.amount-input:focus {
  outline: none;
}

.amount-input::placeholder {
  color: var(--color-border);
}

/* Quick Amounts */
.quick-amounts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 32px;
}

.quick-amount-btn {
  padding: 14px;
  border: 2px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-background);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  color: var(--color-text);
}

.quick-amount-btn:hover {
  border-color: var(--color-accent);
  background: rgba(0, 102, 255, 0.05);
  transform: translateY(-2px);
}

/* Note Section */
.note-section {
  margin-bottom: 24px;
}

.note-section label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
}

.note-section input {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--color-border);
  border-radius: 12px;
  font-size: 15px;
  transition: var(--transition);
}

.note-section input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.1);
}

/* Balance Info */
.balance-info {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 16px;
  background: var(--color-secondary);
  border-radius: 12px;
  font-size: 14px;
  color: var(--color-text-secondary);
}

.balance-info svg {
  flex-shrink: 0;
}

/* Review Card */
.review-card {
  background: var(--color-secondary);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 20px;
}

.review-section {
  margin-bottom: 20px;
}

.review-section:last-child {
  margin-bottom: 0;
}

.review-label {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}

.review-recipient {
  display: flex;
  align-items: center;
  gap: 14px;
}

.review-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: white;
  font-size: 18px;
}

.review-name {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 2px;
}

.review-username {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.review-amount {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -1px;
}

.review-note {
  font-size: 15px;
  color: var(--color-text);
  font-style: italic;
}

.review-divider {
  height: 1px;
  background: var(--color-border);
  margin: 20px 0;
}

.review-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  font-size: 15px;
}

.review-row:last-child {
  margin-bottom: 0;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 2px solid var(--color-border);
}

.review-fee {
  color: var(--color-success);
  font-weight: 600;
}

.review-total-label {
  font-weight: 700;
  font-size: 16px;
}

.review-total {
  font-weight: 700;
  font-size: 20px;
  color: var(--color-primary);
}

/* Info Banner */
.info-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(0, 200, 83, 0.1);
  border-radius: 12px;
  color: var(--color-success);
  font-size: 14px;
  font-weight: 500;
}

.info-banner svg {
  flex-shrink: 0;
}

/* Security Badge */
.security-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px;
  background: rgba(0, 102, 255, 0.05);
  border-radius: 12px;
  margin-bottom: 32px;
  color: var(--color-accent);
  font-weight: 600;
}

/* PIN Input */
.pin-input-container {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 32px;
}

.pin-digit {
  width: 56px;
  height: 64px;
  border: 2px solid var(--color-border);
  border-radius: 12px;
  text-align: center;
  font-size: 28px;
  font-weight: 700;
  transition: var(--transition);
  background: var(--color-background);
}

.pin-digit:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.1);
  transform: scale(1.05);
}

/* Final Review */
.final-review {
  background: var(--color-secondary);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 24px;
}

.final-review-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  font-size: 15px;
}

.final-review-row:last-child {
  margin-bottom: 0;
}

.final-amount {
  font-weight: 700;
  font-size: 18px;
  color: var(--color-primary);
}

/* Friction Container */
.friction-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 24px;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
  margin-top: 2px;
  width: 20px;
  height: 20px;
  cursor: pointer;
  flex-shrink: 0;
}

.checkbox-label a {
  color: var(--color-accent);
  text-decoration: none;
}

.checkbox-label a:hover {
  text-decoration: underline;
}

.captcha-box {
  border: 2px solid var(--color-border);
  border-radius: 8px;
  padding: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--color-secondary);
}

.captcha-check {
  margin: 0;
}

.captcha-logo {
  font-size: 11px;
  color: var(--color-text-secondary);
  font-weight: 600;
}

/* Navigation Buttons */
.nav-buttons {
  display: flex;
  gap: 12px;
  padding: 20px 28px 28px;
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}

.btn {
  flex: 1;
  padding: 16px 24px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-primary {
  background: var(--color-accent);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background: #0052cc;
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0, 102, 255, 0.3);
}

.btn-primary:disabled {
  background: var(--color-border);
  color: var(--color-text-secondary);
  cursor: not-allowed;
  opacity: 0.6;
}

.btn-secondary {
  background: var(--color-secondary);
  color: var(--color-text);
}

.btn-secondary:hover {
  background: var(--color-border);
  transform: translateY(-2px);
}

/* Added danger button style for modal -->
.btn-danger {
  background: var(--color-error);
  color: white;
}

.btn-danger:hover {
  background: #e63027;
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(255, 59, 48, 0.3);
}

/* Toast Notification */
.toast {
  position: fixed;
  top: 24px;
  right: 24px;
  background: white;
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: flex-start;
  gap: 14px;
  max-width: 400px;
  transform: translateX(500px);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1000;
}

.toast.show {
  transform: translateX(0);
  animation: shake 0.5s cubic-bezier(0.36, 0.07, 0.19, 0.97) 0.3s;
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  10%,
  30%,
  50%,
  70%,
  90% {
    transform: translateX(-8px);
  }
  20%,
  40%,
  60%,
  80% {
    transform: translateX(8px);
  }
}

.toast-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.toast.error .toast-icon {
  background: rgba(255, 59, 48, 0.1);
  color: var(--color-error);
}

.toast.error .toast-icon::before {
  content: "✕";
}

.toast.success .toast-icon {
  background: rgba(0, 200, 83, 0.1);
  color: var(--color-success);
}

.toast.success .toast-icon::before {
  content: "✓";
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 4px;
  color: var(--color-primary);
}

.toast-message {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.toast-close {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: none;
  background: var(--color-secondary);
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: var(--transition);
  flex-shrink: 0;
}

.toast-close:hover {
  background: var(--color-border);
}

/* Loading Overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 20px;
  z-index: 2000;
  backdrop-filter: blur(4px);
}

.loading-overlay.show {
  display: flex;
  animation: fadeIn 0.3s;
}

.loading-spinner {
  width: 56px;
  height: 56px;
  border: 4px solid rgba(255, 255, 255, 0.2);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loading-text {
  color: white;
  font-size: 16px;
  font-weight: 600;
}

/* Added modal styles for exit confirmation -->
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 3000;
  backdrop-filter: blur(4px);
  padding: 20px;
}

.modal-overlay.show {
  display: flex;
  animation: fadeIn 0.3s;
}

.modal {
  background: white;
  border-radius: 20px;
  max-width: 480px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: slideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 28px;
  border-bottom: 1px solid var(--color-border);
}

.modal-header h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--color-secondary);
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  color: var(--color-text-secondary);
}

.modal-close:hover {
  background: var(--color-border);
}

.modal-body {
  padding: 24px 28px;
}

.modal-body p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.modal-footer {
  display: flex;
  gap: 12px;
  padding: 20px 28px 28px;
  border-top: 1px solid var(--color-border);
}

/* Success Page Styles */
.success-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 40px 20px;
  max-width: 600px;
  margin: 0 auto;
}

.success-icon {
  margin-bottom: 24px;
  animation: scaleIn 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.5);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.success-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.success-subtitle {
  font-size: 16px;
  color: var(--color-text-secondary);
  margin-bottom: 40px;
}

.success-details {
  width: 100%;
  background: var(--color-secondary);
  border-radius: 16px;
  padding: 32px;
  margin-bottom: 24px;
}

.success-amount {
  font-size: 48px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.success-recipient {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.success-recipient > span {
  font-size: 14px;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.success-recipient-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.success-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: white;
  font-size: 18px;
}

.success-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary);
}

.success-username {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.success-info {
  width: 100%;
  background: white;
  border: 2px solid var(--color-border);
  border-radius: 12px;
  padding: 20px;
}

.success-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  font-size: 14px;
}

.success-info-row:not(:last-child) {
  border-bottom: 1px solid var(--color-border);
}

.success-info-row span:first-child {
  color: var(--color-text-secondary);
  font-weight: 500;
}

.success-info-row span:last-child {
  color: var(--color-primary);
  font-weight: 600;
}

.status-badge {
  background: rgba(0, 200, 83, 0.1);
  color: var(--color-success);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
}

/* Responsive */
@media (max-width: 480px) {
  .step-title {
    font-size: 24px;
  }

  .amount-input {
    font-size: 52px;
    width: 240px;
  }

  .currency-symbol {
    font-size: 40px;
  }

  .toast {
    left: 16px;
    right: 16px;
    max-width: none;
  }

  .success-container {
    padding: 32px 16px;
  }

  .success-icon {
    margin-bottom: 16px;
  }

  .success-title {
    font-size: 28px;
  }

  .success-subtitle {
    font-size: 14px;
  }

  .success-details {
    padding: 24px;
  }

  .success-amount {
    font-size: 40px;
  }

  .success-avatar {
    width: 40px;
    height: 40px;
    font-size: 16px;
  }

  .success-name {
    font-size: 16px;
  }

  .success-username {
    font-size: 12px;
  }

  .success-info {
    padding: 16px;
  }

  .success-info-row {
    padding: 10px 0;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}