body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, #e1f0ff 0%, #cce7ff 25%, #f0f8ff 50%, #e6f3ff 75%, #d9edff 100%);
    background-size: 400% 400%;
    background-attachment: fixed;
    animation: gradientMove 8s ease-in-out infinite;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: sans-serif;
  }
  
  .loading-container {
    text-align: center;
    position: relative;
  }
  
  .loading-ring {
    position: relative;
    width: 120px;
    height: 120px;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .loading-ring::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid #e0e0e0;
    border-top: 3px solid #0077C0; /* Changed from #007bff to #0077C0 to match brand gradient stop */
    border-radius: 50%;
    animation: spin 1s linear infinite;
  }
  
  .loading-logo {
    width: 60px; /* Adjust size as needed */
    height: 60px;
    position: relative;
    z-index: 1;
  }
  
  /* Spin Animation */
  @keyframes spin {
    0% {
      transform: rotate(0deg);
    }
    100% {
      transform: rotate(360deg);
    }
  }
  
  /* Gradient Movement Animation */
  @keyframes gradientMove {
    0% {
      background-position: 0% 50%;
    }
    50% {
      background-position: 100% 50%;
    }
    100% {
      background-position: 0% 50%;
    }
  }

  /* Update Notification Banner */
  .update-banner {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 8px 32px 0 rgba(0, 119, 192, 0.15);
    border-radius: 12px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    z-index: 999999;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: #1e293b;
    transform: translateY(150%);
    opacity: 0;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
  }

  .update-banner.show {
    transform: translateY(0);
    opacity: 1;
  }

  .update-banner-icon {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #4C9AE0 0%, #0077C0 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 12px;
    font-weight: bold;
  }

  .update-banner-text {
    font-size: 14px;
    font-weight: 500;
  }

  .update-banner-btn {
    background: #0077C0;
    color: white;
    border: none;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.1s ease;
  }

  .update-banner-btn:hover {
    background: #005f99;
  }

  .update-banner-btn:active {
    transform: scale(0.96);
  }