body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

.nav-buttons {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  display: flex;
  gap: 10px;
  background: rgba(255, 255, 255, 0.9);
  padding: 10px 20px;
  border-radius: 25px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.tab-input {
  display: none;
}

.tab-button {
  padding: 10px 20px;
  border: 2px solid #333;
  border-radius: 20px;
  background: transparent;
  color: #333;
  cursor: pointer;
  font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
  font-size: 16px;
  font-weight: bold;
  transition: all 0.3s ease;
}

.tab-button:hover {
  background: #333;
  color: white;
}

.tab-input:checked + .tab-button {
  background: #333;
  color: white;
}

.iframe-container {
  width: 100vw;
  height: 100vh;
  position: relative;
}

.animation-iframe {
  border: none;
  width: 100%;
  height: 100vh;
  position: absolute;
  top: 0;
  left: 0;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

/* Default state - show bowls */
.bowls-iframe {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}

.flowers-iframe {
  opacity: 0;
  visibility: hidden;
  z-index: 2;
}

body:has(#flowers-tab:checked) .bowls-iframe {
  opacity: 0;
  visibility: hidden;
}

body:has(#flowers-tab:checked) .flowers-iframe {
  opacity: 1;
  visibility: visible;
}

@media (max-width: 768px) {
  .nav-buttons {
    top: 10px;
    padding: 8px 15px;
  }
  
  .tab-button {
    padding: 8px 15px;
    font-size: 14px;
  }
}