@layer base {
  .container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-6);
    min-height: calc(100vh - 200px);
  }

  .header {
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    margin-bottom: var(--spacing-6);
    color: white;
  }

  .headerContent {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-4);
  }

  .userInfo {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
  }

  .avatar {
    width: 64px;
    height: 64px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
  }

  .userDetails {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
  }

  .userName {
    font-family: var(--font-family-heading);
    font-size: 1.75rem;
    font-weight: 600;
    margin: 0;
    color: white;
  }

  .userMeta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
  }

  .metaItem {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.9);
  }

  .roleBadge {
    flex-shrink: 0;
  }

  .badge {
    display: inline-block;
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.025em;
  }

  .badge.driver {
    background-color: var(--driver-marker);
    color: white;
  }

  .badge.passenger {
    background-color: var(--rider-marker);
    color: white;
  }

  .badge.admin {
    background-color: var(--secondary);
    color: white;
  }

  .content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
  }

  .successMessage {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-4);
    background-color: var(--available-seat);
    border: 1px solid var(--success);
    border-radius: var(--radius);
    color: var(--success);
    font-weight: 500;
    margin-bottom: var(--spacing-4);
    animation: slideIn var(--animation-duration-normal) ease;
  }

  .errorMessage {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-4);
    background-color: var(--unavailable-seat);
    border: 1px solid var(--error);
    border-radius: var(--radius);
    color: var(--error);
    font-weight: 500;
    margin-bottom: var(--spacing-4);
    animation: slideIn var(--animation-duration-normal) ease;
  }

  .errorState {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-12);
    gap: var(--spacing-4);
  }

  .errorIcon {
    color: var(--error);
  }

  .adminNotice {
    background-color: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    text-align: center;
  }

  .adminNotice h3 {
    font-family: var(--font-family-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--secondary);
    margin: 0 0 var(--spacing-2) 0;
  }

  .adminNotice p {
    color: var(--muted-foreground);
    margin: 0;
  }

  @keyframes slideIn {
    from {
      opacity: 0;
      transform: translateY(-0.5rem);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  @media (max-width: 768px) {
    .container {
      padding: var(--spacing-4);
    }

    .header {
      padding: var(--spacing-4);
    }

    .headerContent {
      flex-direction: column;
      align-items: flex-start;
    }

    .userInfo {
      flex-direction: column;
      align-items: flex-start;
      text-align: left;
    }

    .avatar {
      width: 48px;
      height: 48px;
    }

    .userName {
      font-size: 1.5rem;
    }

    .userMeta {
      align-self: stretch;
    }

    .roleBadge {
      align-self: flex-start;
    }
  }
}