.viewport-controls {
  position: absolute;
  top: 30px;
  left: 0;
  right: 0;
  height: 40px;
  background-color: #303030;
  display: flex;
  align-items: center;
  padding: 0 10px;
  z-index: 9;
}

.viewport-menus {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  margin-left: 10px;
  font-family: sans-serif;
  font-size: 14px;
  color: #ffffff;
}

.mode-select, .camera-select {
  padding: 2px 5px;
  font-size: 12px;
  border-radius: 3px;
  color: #fff;
  background-color: #303030;
  border: 1px solid transparent;
  cursor: pointer;
  height: 24px;
  margin-right: 5px;
}

.mode-select:hover, .camera-select:hover {
  background-color: #444;
}

.shading-modes-buttons {
  display: flex;
  margin-left: 5px;
  height: 24px;
  flex-shrink: 0;
}

.shading-button {
  width: 24px;
  height: 24px;
  background-color: #303030;
  border: 1px solid transparent;
  border-radius: 3px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1px;
}

.shading-button img {
  width: 18px;
  height: 18px;
  /* Removed opacity and filter to show original white SVG */
}

.shading-button:hover {
  background-color: #444;
}

.shading-button.active {
  background-color: #4772b3; /* Blender blue-ish */
}

/* Snapping Controls */
.snapping-controls {
  display: flex;
  align-items: center;
  margin-left: 10px;
  height: 24px;
  font-family: sans-serif;
  color: #fff;
}

.snap-magnet {
  width: 24px;
  height: 24px;
  background-color: #303030;
  border: 1px solid transparent;
  border-radius: 3px 0 0 3px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.snap-magnet:hover {
  background-color: #444;
}

.snap-magnet.active {
  background-color: #4772b3;
}

.snap-magnet img {
  width: 16px;
  height: 16px;
}

.snap-menu-container {
  position: relative;
  height: 24px;
}

.snap-menu-button {
  width: 34px;
  height: 24px;
  background-color: #303030;
  border: 1px solid transparent;
  border-left: 1px solid #444;
  border-radius: 0 3px 3px 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

.snap-menu-button:hover {
  background-color: #444;
}

.snap-menu-button img {
  width: 14px;
  height: 14px;
}

.snap-menu-button .arrow {
  font-size: 8px;
  margin-left: 4px;
  color: #fff;
}

.snap-dropdown {
  position: absolute;
  top: 26px;
  left: 0;
  background-color: #1e1e1e;
  border: 1px solid #1e1e1e;
  list-style: none;
  padding: 4px 0;
  margin: 0;
  min-width: 100px;
  z-index: 100;
  border-radius: 3px;
  display: flex;
  flex-direction: column;
}

.snap-dropdown.hidden {
  display: none;
}

.snap-dropdown li {
  padding: 4px 10px;
  display: flex;
  align-items: center;
  font-size: 14px;
}

.snap-dropdown li:hover {
  background-color: #4772b3;
}

.snap-dropdown li img {
  width: 14px;
  height: 14px;
  margin-right: 8px;
}

.mode-select {
  margin-right: 0px;
}

#right-controls-container {
  margin-left: auto; /* Push to right */
  display: flex;
  align-items: center;
  z-index: 9;
}

.selection-mode {
  display: flex;
  flex-direction: row;
  margin-left: 10px;
  z-index: 9;
}

.selection-mode.hidden {
  display: none;
}

.selection-button {
  width: 20px;
  height: 20px;
  padding: 0px;
  border: none;
  cursor: pointer;
  background-color: #303030;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1px;
  border-radius: 2px;
}

.selection-button img {
  width: 18px;
  height: 18px;
  opacity: 0.8;
  filter: invert(1);
}

.selection-button:hover {
  background-color: #4772b3;
}

.selection-button.active {
  background-color: #4772b3;
}

#selectionBox {
  position: absolute;
  border: 1px solid #FFD800;
  background: rgba(255, 216, 0, 0.18);;
  pointer-events: none;
  display: none;
}

.operation-status {
  position: absolute;
  top: 40px; /* Relative to viewport-controls-container top (which starts at 30px). Wait, this is absolute relative to viewport-controls-container if it's relative? */
  /* #viewport-controls-container is likely positioned relative/absolute in style.css? */
  /* Assuming viewport-controls.html content is inside a container. */
  /* The .viewport-controls has top: 30px. */
  /* If I put .operation-status as sibling, I should position it at top: 70px (30+40). */
  /* BUT wait, css above says .viewport-controls is absolute. */
  /* If I add .operation-status to viewport-controls.html, it's a sibling of .viewport-controls. */
  /* So it needs its own absolute positioning. */
  top: 70px;
  left: 0;
  right: 0;
  height: 24px;
  /* background-color: rgba(0, 0, 0, 0.5); */ /* User might prefer opaque? */
  background-color: #2b2b2b; /* Match other UI */
  border-bottom: 1px solid #181818;
  color: #fff;
  display: flex;
  align-items: center;
  padding: 0 10px;
  font-family: monospace;
  font-size: 12px;
  z-index: 100;
  pointer-events: none;
}

.operation-status.hidden {
  display: none;
}

.status-separator {
  margin: 0 10px;
  color: #666;
}

.hidden {
  display: none !important;
}