.oobe-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    var(--md-sys-color-primary-container) 0%,
    var(--md-sys-color-secondary-container) 100%
  );
  padding: 20px;
}

.oobe-card {
  max-width: 500px;
  width: 100%;
  background: var(--md-sys-color-surface);
  border-radius: var(--md-sys-shape-corner-extra-large);
  box-shadow: var(--md-sys-elevation-level3);
  overflow: hidden;
  animation: slideInUp 0.6s ease-out;
}

.oobe-header {
  background: linear-gradient(
    45deg,
    var(--md-sys-color-primary),
    var(--md-sys-color-tertiary)
  );
  color: var(--md-sys-color-on-primary);
  padding: 40px 32px;
  text-align: center;
}

.oobe-logo {
  font-size: 64px;
  margin-bottom: 16px;
  animation: float 3s ease-in-out infinite;
}

.oobe-title {
  font-size: 28px;
  font-weight: 600;
  margin: 0 0 8px 0;
  letter-spacing: -0.5px;
}

.oobe-subtitle {
  font-size: 16px;
  opacity: 0.9;
  margin: 0;
}

.oobe-content {
  padding: 32px;
}

.oobe-step {
  display: none;
  animation: fadeIn 0.4s ease-out;
}

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

.step-indicator {
  display: flex;
  justify-content: center;
  margin-bottom: 32px;
}

.step-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--md-sys-color-outline);
  margin: 0 6px;
  transition: all 0.3s ease;
}

.step-dot.active {
  background: var(--md-sys-color-primary);
  transform: scale(1.2);
}

.step-dot.completed {
  background: var(--md-sys-color-tertiary);
}

.welcome-text {
  text-align: center;
  margin-bottom: 32px;
  text-decoration: none;
}

.welcome-text h3 {
  color: var(--md-sys-color-on-surface);
  margin: 0 0 16px 0;
  font-size: 20px;
  font-weight: 500;
  text-decoration: none;
}

.welcome-text p {
  color: var(--md-sys-color-on-surface-variant);
  margin: 0 0 12px 0;
  line-height: 1.5;
  text-decoration: none;
}

.welcome-text a {
  color: var(--md-sys-color-on-surface-variant);
  margin: 0 0 12px 0;
  line-height: 1.5;
  text-decoration: none;
}

.key-input-section {
  margin-bottom: 24px;
}

.key-status {
  margin-top: 16px;
  padding: 16px;
  border-radius: var(--md-sys-shape-corner-medium);
  background: var(--md-sys-color-surface-variant);
  display: none;
}

.key-status.show {
  display: block;
  animation: slideInDown 0.3s ease-out;
}

.key-status.success {
  background: rgba(76, 175, 80, 0.1);
  border: 1px solid rgba(76, 175, 80, 0.3);
  color: #2e7d32;
}

.key-status.error {
  background: rgba(244, 67, 54, 0.1);
  border: 1px solid rgba(244, 67, 54, 0.3);
  color: #c62828;
}

.key-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
}

.key-info-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}

.key-info-item .material-icons {
  font-size: 18px;
  opacity: 0.7;
}

.oobe-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 32px;
}

.btn-large {
  padding: 16px 32px;
  font-size: 16px;
  font-weight: 500;
}

.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--md-sys-shape-corner-extra-large);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.loading-overlay.show {
  opacity: 1;
  visibility: visible;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--md-sys-color-outline);
  border-top: 4px solid var(--md-sys-color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@media (max-width: 600px) {
  .oobe-container {
    padding: 12px;
  }

  .oobe-header {
    padding: 32px 24px;
  }

  .oobe-content {
    padding: 24px;
  }

  .key-info {
    grid-template-columns: 1fr;
  }

  .oobe-actions {
    flex-direction: column;
  }
}