/* ============================================
     PWA INSTALL BUTTON - ELEGANTE & ANIMADO
     ============================================ */
  
  .pwa-install-btn {
    position: fixed;
    bottom: 100px;
    right: 28px;
    background: linear-gradient(135deg, #09090d 0%, #111118 100%);
    color: var(--text);
    padding: 14px 18px 14px 14px;
    border-radius: 50px;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    border: 1px solid rgba(0,240,255,0.25);
    box-shadow: 
      0 0 30px rgba(0,240,255,0.2), 
      0 8px 30px rgba(0,0,0,0.5),
      inset 0 1px 0 rgba(255,255,255,0.05);
    display: none;
    align-items: center;
    gap: 14px;
    z-index: 997;
    max-width: 320px;
    transform: translateY(100px) scale(0.8);
    opacity: 0;
    transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    font-size: 14px;
    overflow: hidden;
    position: fixed;
  }

  .pwa-install-btn.show {
    display: flex;
    animation: pwaSlideInBounce 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  }

  .pwa-install-btn.hide {
    animation: pwaSlideOutFade 0.4s ease-in forwards;
  }

  @keyframes pwaSlideInBounce {
    0% { 
      transform: translateY(100px) scale(0.8); 
      opacity: 0; 
    }
    60% { 
      transform: translateY(-8px) scale(1.03); 
      opacity: 1; 
    }
    80% { 
      transform: translateY(2px) scale(0.98); 
    }
    100% { 
      transform: translateY(0) scale(1); 
      opacity: 1; 
    }
  }

  @keyframes pwaSlideOutFade {
    0% { 
      transform: translateY(0) scale(1); 
      opacity: 1; 
    }
    100% { 
      transform: translateY(30px) scale(0.85); 
      opacity: 0; 
      pointer-events: none;
    }
  }

  /* Borde glow animado */
  .pwa-install-btn::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 50px;
    padding: 1px;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-pink), var(--neon-violet), var(--neon-cyan));
    background-size: 300% 300%;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s;
    animation: pwaBorderFlow 4s ease infinite;
  }

  @keyframes pwaBorderFlow {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
  }

  .pwa-install-btn:hover::before {
    opacity: 1;
  }

  .pwa-install-btn:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 
      0 0 50px rgba(0,240,255,0.4), 
      0 15px 40px rgba(0,0,0,0.6);
    border-color: rgba(0,240,255,0.5);
  }

  /* Botón X de cerrar */
  .pwa-install-btn-close {
    position: absolute;
    top: 3px;
    right: 4px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #1a1a2e;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 300;
    cursor: pointer;
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.25s;
    opacity: 0;
    transform: scale(0.5);
    z-index: 2;
  }

  .pwa-install-btn.show .pwa-install-btn-close {
    animation: pwaCloseReveal 0.5s 1.2s ease forwards;
  }

  @keyframes pwaCloseReveal {
    to {
      opacity: 1;
      transform: scale(1);
    }
  }

  .pwa-install-btn-close:hover {
    background: var(--neon-pink);
    color: #fff;
    border-color: var(--neon-pink);
    box-shadow: 0 0 15px rgba(255,0,170,0.5);
    transform: scale(1.15) rotate(90deg);
  }

  /* Icono con glow animado */
  .pwa-install-icon-wrapper {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-violet));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    box-shadow: 0 0 20px rgba(0,240,255,0.3);
  }

  .pwa-install-icon-wrapper i {
    color: #030305;
    font-size: 16px;
    filter: drop-shadow(0 0 3px rgba(3,3,5,0.4));
    animation: pwaIconPulse 2s ease-in-out infinite;
  }

  @keyframes pwaIconPulse {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-2px); }
  }

  /* Pulso exterior en el icono */
  .pwa-install-icon-wrapper::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid var(--neon-cyan);
    opacity: 0;
    animation: pwaIconRing 2.5s ease-out infinite;
  }

  @keyframes pwaIconRing {
    0% { 
      transform: scale(1); 
      opacity: 0.8; 
    }
    100% { 
      transform: scale(1.6); 
      opacity: 0; 
    }
  }

  /* Texto */
  .pwa-install-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    min-width: 0;
  }

  .pwa-install-text strong {
    font-size: 14px;
    font-weight: 700;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .pwa-install-text small {
    font-size: 11px;
    color: var(--text-dim);
    font-weight: 400;
    letter-spacing: 0.2px;
  }

  /* Flecha */
  .pwa-install-arrow {
    color: var(--neon-cyan);
    font-size: 14px;
    transition: transform 0.3s;
    filter: drop-shadow(0 0 6px var(--neon-cyan));
  }

  .pwa-install-btn:hover .pwa-install-arrow {
    transform: translateX(4px);
    color: var(--neon-pink);
    filter: drop-shadow(0 0 8px var(--neon-pink));
  }

  /* ============================================
     PWA INSTALL BANNER (SUPERIOR) - ELEGANTE
     ============================================ */
  
  .pwa-install-banner {
    position: fixed;
    top: 90px;
    left: 50%;
    transform: translateX(-50%) translateY(-40px);
    background: rgba(9,9,13,0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(0,240,255,0.25);
    border-radius: 20px;
    padding: 16px 18px 16px 20px;
    box-shadow: 
      0 0 50px rgba(0,240,255,0.15), 
      0 20px 50px rgba(0,0,0,0.7);
    z-index: 1001;
    max-width: 560px;
    width: calc(100% - 40px);
    display: none;
    opacity: 0;
  }

  .pwa-install-banner.show {
    display: block;
    animation: pwaBannerSlideDown 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  }

  .pwa-install-banner.hide {
    animation: pwaBannerSlideUp 0.4s ease-in forwards;
  }

  @keyframes pwaBannerSlideDown {
    0% { 
      transform: translateX(-50%) translateY(-40px); 
      opacity: 0; 
    }
    100% { 
      transform: translateX(-50%) translateY(0); 
      opacity: 1; 
    }
  }

  @keyframes pwaBannerSlideUp {
    0% { 
      transform: translateX(-50%) translateY(0); 
      opacity: 1; 
    }
    100% { 
      transform: translateX(-50%) translateY(-40px); 
      opacity: 0; 
      pointer-events: none;
    }
  }

  /* Línea de luz superior animada */
  .pwa-install-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), var(--neon-pink), transparent);
    background-size: 200% 100%;
    animation: pwaBannerLight 3s ease infinite;
  }

  @keyframes pwaBannerLight {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
  }

  .pwa-install-banner-content {
    display: flex;
    gap: 14px;
    align-items: center;
  }

  .pwa-install-banner-icon-wrapper {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(0,240,255,0.15), rgba(184,41,221,0.15));
    border: 1px solid rgba(0,240,255,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  .pwa-install-banner-icon-wrapper i {
    font-size: 18px;
    color: var(--neon-cyan);
    filter: drop-shadow(0 0 8px rgba(0,240,255,0.5));
    animation: pwaIconBounce 2s ease-in-out infinite;
  }

  @keyframes pwaIconBounce {
    0%, 100% { transform: scale(1) rotate(0deg); }
    25% { transform: scale(1.1) rotate(-5deg); }
    50% { transform: scale(1) rotate(0deg); }
    75% { transform: scale(1.1) rotate(5deg); }
  }

  .pwa-install-banner-text {
    flex: 1;
    min-width: 0;
  }

  .pwa-install-banner-text strong {
    display: block;
    color: var(--text);
    font-size: 14px;
    margin-bottom: 3px;
    font-weight: 600;
  }

  .pwa-install-banner-text span {
    font-size: 12px;
    color: var(--text-dim);
    line-height: 1.4;
    display: block;
  }

  .pwa-install-banner-btn {
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-violet));
    color: #030305;
    border: none;
    padding: 10px 18px;
    border-radius: 100px;
    font-weight: 700;
    font-size: 13px;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.3s;
    font-family: inherit;
    flex-shrink: 0;
  }

  .pwa-install-banner-btn:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 6px 20px rgba(0,240,255,0.4);
  }

  .pwa-install-banner-close {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,0.05);
    color: var(--text-dim);
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s;
    line-height: 1;
  }

  .pwa-install-banner-close:hover { 
    background: var(--neon-pink);
    color: #fff;
    transform: rotate(90deg);
    box-shadow: 0 0 15px rgba(255,0,170,0.4);
  }

  /* Responsive: mobile primero */
  @media (max-width: 600px) {
    .pwa-install-btn {
      bottom: 90px;
      right: 16px;
      left: 16px;
      max-width: none;
      padding: 12px 16px 12px 12px;
    }
    
    .pwa-install-btn-close {
      top: -2px;
      right: 5px;
    }
    
    .pwa-install-icon-wrapper {
      width: 36px;
      height: 36px;
    }
    
    .pwa-install-text strong { font-size: 13px; }
    .pwa-install-text small { font-size: 10px; }
    
    .pwa-install-banner {
      top: 75px;
      padding: 14px;
    }
    
    .pwa-install-banner-content {
      flex-wrap: wrap;
    }
    
    .pwa-install-banner-btn {
      width: 100%;
      order: 3;
      margin-top: 8px;
    }
    
    .pwa-install-banner-icon-wrapper {
      width: 38px;
      height: 38px;
    }
  }

  /* Accesibilidad: usuarios con reduced-motion */
  @media (prefers-reduced-motion: reduce) {
    .pwa-install-btn,
    .pwa-install-banner {
      animation-duration: 0.01ms !important;
    }
    .pwa-install-icon-wrapper i,
    .pwa-install-icon-wrapper::after,
    .pwa-install-banner-icon-wrapper i,
    .pwa-install-btn::before {
      animation: none !important;
    }
  }