body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
  
.container {
  display: flex;
  flex-direction: row;
  height: 100vh;
}
  
.sidebar {
  width: 300px;
  background-color: #f9f9f9;
  padding: 20px;
  overflow-y: auto;
  box-sizing: border-box;
}
  
.logo {
  width: 100%;
  margin-top: 20px;
  border-radius: 8px;
}
  
.section {
  margin: 20px 0;
}

.section-title {
  font-weight: bold;
  display: block;
  margin-bottom: 5px;
}

.section-title-btn {
  font-weight: bold;
  margin-bottom: 5px;
  margin-right: 5px;
}
  
input[type="range"] {
  width: 85%;
  margin-bottom: 10px;
}

.color-label {
  font-weight: bold;
}

.color-label.red {
  color: red;
}

.color-label.green {
  color: green;
}
  
.color-label.blue {
  color: blue;
}

.canvas-container {
  flex-grow: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

canvas {
  max-width: 100%;
  max-height: 100%;
}
  
/* Responsive behavior for smaller screens */
@media (max-width: 768px) {
  .container {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    height: 50vh;
  }

  .canvas-container {
    height: 50vh;
  }

  canvas {
    width: 100%;
    height: 100%;
  }
}