#app-loader {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    background: #000000;
    color: #fff;
    z-index: 9999;
    transition: opacity .35s ease, visibility .35s ease;
  }
  
  #app-loader.hidden {
    opacity: 0;
    visibility: hidden;
  }
  
  .loader-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    border-radius: 16px;
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(6px);
  }
  
  .loader-logo {
    width: 250px;
    height: 250px;
    object-fit: contain;
  }
  
  .loader-text {
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
    font-size: 14px;
    opacity: .9;
    letter-spacing: .2px;
  }
  
  @media (prefers-color-scheme: light) {
    #app-loader { background: #f7f7f8; color: #111; }
    .loader-card { background: rgba(0,0,0,0.04); }
    .loader-spinner { border-color: rgba(0,0,0,.15); border-top-color: #111; }
  }