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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  color: #1f2937;
}

.container {
  width: 100%;
  max-width: 480px;
}

.card {
  background: white;
  border-radius: 24px;
  padding: 40px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: slideUp 0.5s ease-out;
}

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

.logo {
  text-align: center;
  margin-bottom: 32px;
}

.solana-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 16px;
}

.solana-icon.pulse {
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.logo h1 {
  font-size: 32px;
  font-weight: 700;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.step {
  display: none;
}

.step.active {
  display: block;
  animation: fadeIn 0.4s ease-out;
}

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

h2 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 8px;
  text-align: center;
}

.subtitle {
  text-align: center;
  color: #6b7280;
  margin-bottom: 24px;
  font-size: 14px;
}

.subtitle strong {
  color: #7c3aed;
  font-weight: 600;
}

.input-group {
  position: relative;
  margin-bottom: 24px;
}

.input-group input {
  width: 100%;
  padding: 16px;
  border: 2px solid #e5e7eb;
  border-radius: 12px;
  font-size: 16px;
  font-family: 'Inter', sans-serif;
  transition: all 0.3s ease;
}

.input-group input:focus {
  outline: none;
  border-color: #7c3aed;
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.input-suffix {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: #6b7280;
  font-weight: 600;
  pointer-events: none;
}

.btn {
  width: 100%;
  padding: 16px;
  border: none;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(124, 58, 237, 0.3);
}

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

.btn-secondary {
  background: #f3f4f6;
  color: #6b7280;
}

.btn-secondary:hover {
  background: #e5e7eb;
}

.btn-icon {
  width: 24px;
  height: 24px;
}

.loading {
  text-align: center;
  padding: 40px 0;
}

.loading-state {
  text-align: center;
  padding: 20px 0;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #e5e7eb;
  border-top-color: #7c3aed;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 16px;
}

.spinner.large {
  width: 60px;
  height: 60px;
  border-width: 5px;
}

.spinner.small {
  width: 24px;
  height: 24px;
  border-width: 3px;
}

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

.deposit-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.quick-amounts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 24px;
}

.quick-amount {
  padding: 12px;
  border: 2px solid #e5e7eb;
  border-radius: 8px;
  background: white;
  color: #6b7280;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
}

.quick-amount:hover {
  border-color: #7c3aed;
  color: #7c3aed;
}

.quick-amount.active {
  border-color: #7c3aed;
  background: #f5f3ff;
  color: #7c3aed;
}

.wallet-address {
  background: #f9fafb;
  border: 2px solid #e5e7eb;
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.wallet-address code {
  flex: 1;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  word-break: break-all;
  color: #1f2937;
}

.copy-btn {
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #6b7280;
}

.copy-btn:hover {
  background: #f3f4f6;
  color: #7c3aed;
}

.copy-btn.copied {
  background: #10b981;
  color: white;
  border-color: #10b981;
}

.status-message {
  text-align: center;
  padding: 20px;
  background: #f9fafb;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.status-message p {
  color: #6b7280;
  font-weight: 500;
}

.success-animation {
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
}

.checkmark {
  width: 80px;
  height: 80px;
  animation: scaleIn 0.5s ease-out;
}

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

.checkmark-circle {
  stroke: #10b981;
  stroke-width: 2;
  stroke-dasharray: 166;
  stroke-dashoffset: 166;
  animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.checkmark-check {
  stroke: #10b981;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 48;
  stroke-dashoffset: 48;
  animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.6s forwards;
}

@keyframes stroke {
  to {
    stroke-dashoffset: 0;
  }
}

.success-message {
  text-align: center;
  padding: 24px;
  background: #f0fdf4;
  border-radius: 12px;
  border: 2px solid #10b981;
}

.success-message p {
  font-size: 18px;
  font-weight: 600;
  color: #059669;
  margin-bottom: 8px;
}

.success-message .small {
  font-size: 14px;
  font-weight: 400;
  color: #6b7280;
  margin: 0;
}

.balance-display {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px;
  background: #f9fafb;
  border-radius: 12px;
  margin-bottom: 24px;
}

.balance-display .label {
  color: #6b7280;
  font-size: 14px;
}

.balance-display .amount {
  font-weight: 700;
  font-size: 18px;
  color: #7c3aed;
}

@media (max-width: 480px) {
  .card {
    padding: 24px;
  }
  
  h2 {
    font-size: 20px;
  }
  
  .logo h1 {
    font-size: 28px;
  }
}