body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: url('assets/imgBackground.png') no-repeat center center / cover;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.screen {
  text-align: center;
}

.folder-title {
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 20px;
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.glass-card {
  position: relative;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 20px;
  padding: 30px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  overflow: hidden;
  width: 90vw;
  max-width: 400px;
  margin: 0 auto;
}

/* Mobile Fix – ensure it's a card with spacing */
@media screen and (max-width: 768px) {
  .screen {
    padding: 30px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .glass-card {
    width: 90%;
    max-width: 360px;
    padding: 20px;
    gap: 16px;
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Light sheen overlay */
.highlight-overlay {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(120deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.4) 50%, rgba(255,255,255,0.05) 100%);
  transform: rotate(25deg);
  animation: sheen 6s infinite linear;
  pointer-events: none;
  z-index: 1;
}

@keyframes sheen {
  0% { transform: translateX(-100%) rotate(25deg); }
  100% { transform: translateX(100%) rotate(25deg); }
}

.app-icon {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 2;
  cursor: pointer;
  user-select: none;
}

.app-icon img {
  width: 60px;
  height: 60px;
  border-radius: 20px;
  margin-bottom: 6px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  transition: transform 0.2s ease;
}

.app-icon span {
  font-size: 0.75rem;
  color: white;
  text-shadow: 0 0 3px rgba(0,0,0,0.5);
}

/* Ripple effect */
.ripple {
  position: absolute;
  width: 100px;
  height: 100px;
  background: rgba(255,255,255,0.25);
  border-radius: 50%;
  transform: scale(0);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.6s ease, opacity 0.6s ease;
  z-index: 0;
}