#image-container {
  max-width: 1300px;
  margin: 40px auto;
  padding: 20px;
  background-color: #f9f9f9;
  border: 1px solid #ddd;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

#drop-zone-container {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
}

.drop-area {
  flex: 1;
  text-align: center;
  align-content: center;
  border-style: dashed;
  border-radius: 10px;
  height: 500px;
  margin: auto;
  cursor: pointer;
  position: relative;
}

.drop-area:hover,
.drop-area.highlight {
  background-color: slategray;
}

.input-field {
  display: none;
}

#controls {
  text-align: center;
  padding: 10px;
  display: block;
}

#controls label {
  margin: 0 15px;
  cursor: pointer;
}

#viewer-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #fff;
  border: 1px solid #eee;
  padding: 10px;
}

/* Side-by-Side Specifics */
#sbs-container {
  display: flex;
  justify-content: center;
  gap: 20px;
  width: 100%;
}

.sbs-image {
  height: auto;
  width: auto;
  max-width: calc(50% - 10px);
  object-fit: contain;
  border: 1px solid #ccc;
}

#snap-btn {
  margin-left: 0 15px;
  padding: 5px 15px;
  cursor: pointer;
  border: 1px solid #999;
  background-color: #fff;
  border-radius: 4px;
  font-family: inherit;
  font-size: inherit;
}

#snap-btn:hover {
  background-color: slategray;
}

#canvas-output canvas {
  max-width: 100%;
  height: auto;
  border: 1px solid #ccc;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  margin-bottom: 20px;
}

/* Dark Mode (Adapted) */
@media (prefers-color-scheme: dark) {
  body {
    background-color: #1a1a1a;
    color: #f8f8ff;
  }

  #image-container {
    background-color: #2e2e2e;
    border: 1px solid #444;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
  }

  .drop-area:hover,
  .drop-area.highlight {
    background-color: #444;
  }

  #controls {
    background-color: #3a3a3a;
  }

  #viewer-wrapper {
    background-color: #222;
    border-color: #444;
  }

  #snap-btn {
    background-color: #333;
    color: #fff;
    border-color: #555;
  }
  #snap-btn:hover {
    background-color: #444;
  }
}