/* Registration Page Styles */
.registration-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 2rem 1rem;
  position: relative;
  overflow: hidden;
}

.registration-container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.1"/><circle cx="10" cy="60" r="0.5" fill="white" opacity="0.1"/><circle cx="90" cy="40" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.3;
}

.registration-card {
  background: white;
  border-radius: 1.5rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  padding: 3rem;
  width: 100%;
  max-width: 750px;
  position: relative;
  z-index: 1;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.registration-header {
  text-align: center;
  margin-bottom: 2rem;
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.logo svg {
  color: #3b82f6;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: #1a202c;
}

.registration-title {
  font-size: 2rem;
  font-weight: 700;
  color: #1a202c;
  margin-bottom: 0.5rem;
}

.registration-subtitle {
  color: #6b7280;
  font-size: 1rem;
}

/* Progress Indicator */
.progress-indicator {
  display: flex;
  justify-content: space-between;
  margin-bottom: 2rem;
  position: relative;
}

.progress-indicator::before {
  content: "";
  position: absolute;
  top: 20px;
  left: 0;
  right: 0;
  height: 2px;
  background: #e5e7eb;
  z-index: 1;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 2;
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #e5e7eb;
  color: #9ca3af;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  margin-bottom: 0.5rem;
  transition: all 0.3s ease;
}

.step-label {
  font-size: 0.875rem;
  color: #9ca3af;
  font-weight: 500;
}

.progress-step.active .step-number {
  background: #3b82f6;
  color: white;
}

.progress-step.active .step-label {
  color: #3b82f6;
}

/* Form Steps */
.form-step {
  display: none;
}

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

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 500;
  color: #374151;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}

.form-input {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid #e5e7eb;
  border-radius: 0.75rem;
  font-size: 1rem;
  transition: all 0.2s ease;
  background: #f9fafb;
}

.form-input:focus {
  outline: none;
  border-color: #3b82f6;
  background: white;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input.error {
  border-color: #ef4444;
  background: #fef2f2;
}

.input-wrapper {
  position: relative;
}

.error-message {
  color: #ef4444;
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: none;
}

.password-toggle {
  position: absolute;
  right: 3rem;
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
  color: #6b7280;
  background: none;
  border: none;
}

/* Password Strength */
.password-strength {
  margin-top: 0.5rem;
}

.strength-bar {
  height: 4px;
  background: #e5e7eb;
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 0.25rem;
}

.strength-fill {
  height: 100%;
  transition: all 0.3s ease;
  border-radius: 2px;
}

.strength-fill.weak {
  background: #ef4444;
}

.strength-fill.medium {
  background: #f59e0b;
}

.strength-fill.strong {
  background: #10b981;
}

.strength-text {
  font-size: 0.75rem;
  color: #6b7280;
}

/* Plan Selection */
.plan-selection {
  text-align: center;
  margin-bottom: 2rem;
}

.plan-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: #1a202c;
  margin-bottom: 0.5rem;
}

.plan-subtitle {
  color: #6b7280;
  margin-bottom: 2rem;
}

.plan-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
}

.plan-option {
  border: 2px solid #e5e7eb;
  border-radius: 1rem;
  padding: 1.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.plan-option:hover {
  border-color: #3b82f6;
  transform: translateY(-2px);
}

.plan-option.selected {
  border-color: #3b82f6;
  background: #f8f9ff;
}

.plan-option.featured {
  border-color: #3b82f6;
  transform: scale(1.05);
}

.plan-badge {
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  background: #3b82f6;
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.plan-header {
  text-align: center;
  margin-bottom: 1rem;
}

.plan-name {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1a202c;
  margin-bottom: 0.5rem;
}

.plan-price {
  font-size: 2rem;
  font-weight: 700;
  color: #3b82f6;
}

.plan-price span {
  font-size: 1rem;
  color: #6b7280;
  font-weight: 400;
}

.plan-trial {
  font-size: 0.875rem;
  color: #10b981;
  font-weight: 500;
  margin-top: 0.25rem;
}

.plan-features {
  list-style: none;
  padding: 0;
  margin: 0;
}

.plan-features li {
  padding: 0.25rem 0;
  color: #6b7280;
  font-size: 0.875rem;
}

/* Payment Section */
.payment-section {
  text-align: center;
  margin-bottom: 2rem;
}

.payment-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: #1a202c;
  margin-bottom: 0.5rem;
}

.payment-subtitle {
  color: #6b7280;
  margin-bottom: 2rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* Navigation Buttons */
.form-navigation {
  display: flex;
  justify-content: space-between;
  margin-top: 2rem;
}

.btn {
  padding: 0.875rem 2rem;
  border-radius: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px -5px rgba(59, 130, 246, 0.4);
}

.btn-outline {
  background: white;
  color: #3b82f6;
  border: 2px solid #3b82f6;
}

.btn-outline:hover {
  background: #f8f9ff;
}

.btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

/* Registration Footer */
.registration-footer {
  text-align: center;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid #e5e7eb;
}

.login-text {
  color: #6b7280;
  font-size: 0.875rem;
}

.login-link {
  color: #3b82f6;
  text-decoration: none;
  font-weight: 500;
}

.login-link:hover {
  color: #2563eb;
}

/* Message Overlay */
.message-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}

.message-card {
  background: white;
  border-radius: 1rem;
  padding: 2rem;
  max-width: 400px;
  width: 90%;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  position: relative;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.message-icon {
  text-align: center;
  margin-bottom: 1rem;
}

.success-icon {
  color: #10b981;
  display: none;
}

.error-icon {
  color: #ef4444;
  display: none;
}

.message-content {
  text-align: center;
}

.message-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1a202c;
  margin-bottom: 0.5rem;
}

.message-text {
  color: #6b7280;
  font-size: 0.875rem;
  line-height: 1.5;
}

.message-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: #9ca3af;
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 0.25rem;
}

.message-close:hover {
  color: #6b7280;
}

/* Responsive Design */
@media (max-width: 768px) {
  .registration-container {
    padding: 1rem;
  }

  .registration-card {
    padding: 2rem;
  }

  .registration-title {
    font-size: 1.75rem;
  }

  .plan-options {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .form-navigation {
    flex-direction: column;
    gap: 1rem;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  .btn,
  .form-input,
  .plan-option {
    transition: none;
  }
}

/* Focus styles for keyboard navigation */
.form-input:focus,
.btn:focus,
.plan-option:focus {
  outline: 2px solid #3b82f6;
  outline-offset: 2px;
}