.paper-layer {
      position: absolute;
      inset: 4px;
      border-radius: 1rem;
      transition: all 0.3s ease;
      transform-origin: bottom;
      box-shadow: inset 0 0 4px rgba(0, 0, 0, 0.05);
    }
    .paper-1 { background: linear-gradient(to bottom, #f9a8d4, #f472b6); }
    .paper-2 { background: linear-gradient(to bottom, #93c5fd, #60a5fa); }
    .paper-3 { background: linear-gradient(to bottom, #34d399, #10b981); }
    .paper-layer::after {
      content: '';
      position: absolute;
      top: 10px;
      right: 8px;
      height: 80%;
      width: 6px;
      border-right: 2px dotted rgba(0, 0, 0, 0.1);
      opacity: 0.6;
    }
    .inside-logo {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      font-size: 1.25rem;
      font-weight: 600;
      color: #1f2937;
      opacity: 0.85;
      transition: opacity 0.3s;
    }
    .group:hover .inside-logo {
      opacity: 1;
    }
    .front-logo {
      position: absolute;
      top: 12px;
      left: 12px;
      font-size: 1.25rem;
      font-weight: 600;
      color: white;
      opacity: 0.85;
    }
    /* New style for bottom-right text */
    .bottom-right-text {
      position: absolute;
      bottom: 10px;
      right: 10px;
      font-size: 0.8rem;
      font-weight: 600;
      color: white;
      text-shadow: 0 1px 2px rgba(0,0,0,0.2);
      opacity: 0.7;
      transition: opacity 0.3s;
    }
    .group:hover .bottom-right-text {
      opacity: 1;
    }