body, html {
  margin: 0; 
  padding: 0; 
  width: 100%; 
  height: 100%;
  background-color: #050505; 
  overflow: hidden; 
  touch-action: none;
  font-family: "Montserrat", sans-serif;
}

#app { 
  height: 100%; 
  width: 100%; 
}

#canvas { 
  position: fixed; 
  top: 0; 
  right: 0; 
  bottom: 0; 
  left: 0; 
  z-index: 0; 
}

/* Modern Glassmorphism Control Panel */
.glass-panel {
  position: fixed; 
  bottom: 30px; 
  left: 50%; 
  transform: translateX(-50%);
  z-index: 2; 
  background: rgba(20, 20, 20, 0.6);
  backdrop-filter: blur(10px); 
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1); 
  border-radius: 16px;
  padding: 15px 25px; 
  display: flex; 
  flex-direction: column;
  align-items: center; 
  gap: 15px; 
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  width: 90%; 
  max-width: 500px;
}

.controls { 
  display: flex; 
  justify-content: center; 
  align-items: center; 
  flex-wrap: wrap; 
  gap: 12px; 
  width: 100%; 
}

button {
  background: rgba(255, 255, 255, 0.1); 
  color: #fff; 
  font-family: "Montserrat", sans-serif;
  font-weight: 600; 
  font-size: 13px; 
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2); 
  padding: 8px 16px;
  cursor: pointer; 
  transition: all 0.3s ease;
}

button:hover { 
  background: rgba(255, 255, 255, 0.25); 
  transform: translateY(-2px); 
}

button.active { 
  background: #3b82f6; 
  border-color: #60a5fa; 
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.5); 
}

.slider-group {
  display: flex; 
  align-items: center; 
  gap: 10px; 
  color: #ccc; 
  font-size: 13px; 
  font-weight: 600;
  background: rgba(0, 0, 0, 0.3); 
  padding: 6px 12px; 
  border-radius: 8px;
}

input[type="range"] { 
  cursor: pointer; 
  width: 100px; 
  accent-color: #3b82f6; 
}

.profile-link { 
  color: #8bb4f7; 
  font-size: 13px; 
  font-weight: 600; 
  text-decoration: none; 
  letter-spacing: 0.5px; 
  transition: color 0.3s; 
}

.profile-link:hover { 
  color: #fff; 
  text-decoration: underline; 
}