body {
  overflow-x: hidden;
}

#container {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  justify-content: space-between;
  width: 90vw;
  max-width: calc(100vw - 20px);
  margin: 10px auto;
  gap: 20px;
}

button {
  font: inherit;
}

#controls {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 30%;
  margin-left: 0;
  border-radius: 8px;
  padding: 10px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  transition: background-color 0.3s ease;
}

#filters {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

#upload {
  margin-bottom: 20px;
}

#preview {
  flex: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  max-width: 70%;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  padding: 10px;
  transition: background-color 0.3s ease;
}

canvas {
  border: 1px solid black;
  width: 100%;
  max-width: 100%;
  height: auto;
  display: none;
}

#download-btn {
  margin-top: 20px;
  padding: 10px 20px;
  background-color: #007bff;
  color: white;
  border: none;
  cursor: pointer;
  font: inherit;
}

#download-btn:hover {
  background-color: #0056b3;
}

@media (max-width: 768px) {
  #container {
    flex-direction: column;
    align-items: center;
  }

  #controls {
    width: 95%;
    max-width: 100%;
  }

  #preview {
    width: 95%;
    max-width: 100%;
  }
}

body.dark-mode #controls,
body.dark-mode #preview {
  background-color: #333;
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.1);
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}