body {
    margin: 0;
    overflow: hidden;
    background-color: #000003;
    color: #fff;
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  }
  
  canvas {
    display: block;
    width: 100%;
    height: 100%;
  }
  
  #info {
    position: absolute;
    top: 15px;
    width: 100%;
    text-align: center;
    color: rgba(255, 255, 255, 0.9);
    font-size: 18px;
    letter-spacing: 0.5px;
    pointer-events: none;
    z-index: 100;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.7);
    transition: opacity 1.5s ease-in-out 1s;
  }
  
  .ui-panel {
    position: absolute;
    background-color: rgba(25, 30, 50, 0.5);
    backdrop-filter: blur(10px) saturate(180%);
    -webkit-backdrop-filter: blur(10px) saturate(180%);
    padding: 12px 15px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(220, 220, 255, 0.9);
    font-size: 14px;
    user-select: none;
    z-index: 50;
    opacity: 0.8;
    transition: opacity 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease, bottom 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  
  .ui-panel:hover {
    opacity: 1;
    background-color: rgba(35, 40, 60, 0.6);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  }
  
  #controls {
    bottom: 20px;
    right: 20px;
    align-items: flex-start;
  }
  
  .control-item {
    cursor: pointer;
    padding: 5px;
    display: flex;
    align-items: center;
    gap: 6px;
    width: 100%;
    transition: color 0.2s ease;
  }
  
  .control-item:hover {
    color: #fff;
  }
  
  #theme-changer {
    bottom: 20px;
    left: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  
  #theme-changer h4 {
    margin: 0 0 5px 0;
    font-weight: 500;
    font-size: 13px;
    color: rgba(200, 200, 230, 0.8);
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 5px;
  }
  
  #theme-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .theme-button {
    padding: 6px 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    background-color: rgba(255, 255, 255, 0.1);
    color: rgba(220, 220, 255, 0.85);
    cursor: pointer;
    font-size: 12px;
    transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.1s ease;
    text-align: center;
  }
  
  .theme-button:hover {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
  }
  
  .theme-button.active {
    background-color: rgba(120, 120, 255, 0.3);
    border-color: rgba(150, 150, 255, 0.6);
    color: #fff;
    font-weight: 500;
    transform: scale(1.02);
  }
  
  .theme-button:active {
    transform: scale(0.98);
  }
  
  .ui-icon {
    width: 1em;
    height: 1em;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
  }
  
  @media (max-width: 640px) {
    .ui-panel {
      padding: 10px 12px;
    }
  
    #controls {
      bottom: 105px;
      right: 15px;
      max-width: calc(50% - 25px);
      min-width: 140px;
    }
  
    #theme-changer {
      bottom: 15px;
      left: 15px;
      max-width: calc(50% - 25px);
      min-width: 130px;
    }
  
    #theme-buttons {
      justify-content: flex-start;
    }
  
    .theme-button {
      padding: 5px 10px;
      font-size: 11px;
    }
  
    #info {
      font-size: 16px;
    }
  
    #info span {
      font-size: 12px;
    }
  }
  
  @media (max-width: 380px) {
    #controls {
      bottom: auto;
      top: 15px;
      right: 15px;
      left: auto;
      max-width: calc(100% - 30px);
    }
  
    #theme-changer {
      bottom: 15px;
      left: 15px;
      right: 15px;
      max-width: none;
      width: calc(100% - 30px);
    }
  
    #theme-buttons {
      justify-content: center;
    }
  }