/* pwa.css
   Floating "Install App" button shown only when the browser supports
   installing the page as an app. Positioned with `fixed` so it sits on
   top of the existing layout without affecting style.css. */

   .install-btn {
    position: fixed;
    bottom: 14px;
    right: 14px;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border: none;
    border-radius: 999px;
    background: rgba(20, 20, 20, 0.78);
    color: #fff;
    font-family: sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    cursor: pointer;
    backdrop-filter: blur(4px);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
    transition: background 0.15s ease, transform 0.15s ease;
  }
  
  .install-btn::before {
    content: "\2B07"; /* down arrow */
    font-size: 0.9rem;
  }
  
  .install-btn:hover {
    background: rgba(20, 20, 20, 0.92);
  }
  
  .install-btn:active {
    transform: scale(0.97);
  }
  
  .install-btn:focus-visible {
    outline: 2px solid #ffc93c;
    outline-offset: 2px;
  }
  
  .install-btn[hidden] {
    display: none;
  }
  
  @media (max-width: 480px) {
    .install-btn {
      bottom: 8px;
      right: 8px;
      font-size: 0.75rem;
      padding: 8px 14px;
    }
  }