KGStudio/src/components/track/Track.css

/* Track grid */
.track-grid {
  display: block;
  height: 120px;
  min-width: calc(var(--max-number-of-bars) * var(--track-grid-bar-width)); /* 32 bars * --track-grid-bar-width */
  background-size: var(--track-grid-bar-width) 120px;
  background-image:
    /* Vertical lines for bars */
    linear-gradient(to right,
      transparent calc(var(--track-grid-bar-width) - 1px), #3a3a3a calc(var(--track-grid-bar-width) - 1px), #3a3a3a var(--track-grid-bar-width)
    );
  position: relative;
  border-bottom: 1px solid #3a3a3a;
}

.track-grid.pencil-cursor {
  cursor: crosshair;
}

.add-track-btn {
  background: transparent;
  border: none;
  outline: none;
  color: #999;
  cursor: pointer;
  font-size: 12px;
  padding: 0;
  height: 100%;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.add-track-btn:focus,
.add-track-btn:focus-visible {
  outline: none;
}

.add-track-btn:hover {
  color: #e0e0e0;
}

.track {
  display: flex;
  height: 120px;
  position: relative;
  border-bottom: none;
}

.track-info {
  width: 200px;
  height: 120px;
  padding: 15px;
  background-color: #2d2d2d;
  display: flex;
  flex-direction: column;
  border-right: 1px solid #3a3a3a;
  border-bottom: 1px solid #3a3a3a;
  flex-shrink: 0;
  box-sizing: border-box;
  cursor: grab;
  position: relative;
}

.track-info:active {
  cursor: grabbing;
}

.track-info.selected {
  background-color: #363636;
}

/* Drag and drop styles */
.track-info.drag-over {
  border-top: 2px solid #7b68ee;
}

.track-grid.drag-over {
  border-top: 2px solid #7b68ee;
}

/* Dragging state */
.track-info.dragging {
  opacity: 0.5;
  background-color: #444;
}

.track-grid.dragging {
  opacity: 0.5;
  background-color: #333;
}

/* Remove drag indicator since hover cursor is sufficient */

.track-name {
  font-size: 12px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.track-name:hover {
  color: #7b68ee;
}

.track-name:hover::before {
  content: "\270E";
  position: absolute;
  right: 0px;
  font-size: 16px;
  opacity: 1;
}

.track-controls {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
}

.track-name-and-volume {
  display: flex;
  flex-direction: row;
  flex: 1;
  align-items: flex-start;
  gap: 8px;
}

.instrument-image {
  flex-shrink: 0;
  margin-top: -10px;
  margin-left: -10px;
}

.instrument-image img {
  display: block;
  border-radius: 4px;
}

.track-name-and-controls {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}

.volume-slider {
  margin-bottom: 15px;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 6px;
}

.volume-slider input[type="range"] {
  flex: 1;
  min-width: 0;
  height: 6px;
}

.volume-slider .reset-volume {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  border-radius: 8px;
  background: #3a3a3a;
  color: #e0e0e0;
  /* border: 1px solid #444; */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 10px;
}

.volume-slider .reset-volume:hover {
  background: #4a4a4a;
}

.pan-controls {
  display: flex;
}

.pan-controls button {
  background: #3a3a3a;
  border: none;
  color: #e0e0e0;
  margin-right: 5px;
  width: 24px;
  height: 24px;
  font-size: 12px;
  border-radius: 2px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pan-controls button.solo.active {
  background: #c8a400; /* yellow */
  color: #101010;
}

.pan-controls button.mute.active {
  background: #d32f2f; /* red */
  color: #ffffff;
}