body {
  font-family: monospace;
  font-size: 1.0em;
  text-align: center;
}

button {
  text-align: center;
  font-size: 1.0em;
}

.engine input[type="range"] {
  vertical-align: middle;
}

.engine-components {
  align-items: flex-start;
  display: flex;
  padding: 1em;
  gap: 2em;
}

.engine-controls {
  align-items: center;
  padding: 1.5em;
}

.engine-tempo {
  padding: 1em;
  margin-top: 0.5em;
}

.engine-status {
  align-items: center;
  padding: 1em;
  margin-bottom: 1em;
  font-size: 0.9em;
  color: #666;
}

.instrument {
  width: 360px;
  border: 0.5em solid #dadadb;
  padding: 1em;
  margin-bottom: 0.5em;
  border-radius: 10px;
}

.white.key {
  position: absolute;
  width: 44px;
  height: 120px;
  background: #fff;
  border: 1px solid #888;
  z-index: 1;
  border-radius: 0 0 6px 6px;
}

.white.key.active {
  background: #eef;
}

.black.key {
  position: absolute;
  width: 28px;
  height: 72px;
  background: #222;
  border: 1px solid #444;
  z-index: 2;
  left: 0;
  top: 0;
  border-radius: 0 0 4px 4px;
}

.black.key.active {
  background: #66f;
}

.control-container {
  display: grid;
  grid-template-columns: 8em 1fr auto;
  align-items: center;
  gap: 0em 1.25em;
  font-size: 1.0em;
  min-width: 160px;
  max-width: 240px;
  flex: 1 1 auto;
}

.control-container label {
  grid-column: 1 / 2;
  white-space: nowrap;
  padding-right: 0.5em;
  text-align: left;
}

.control-container select {
  grid-column: 2 / 4;
  min-width: 160px;
  max-width: 100%;
}

.control-container input[type='range'] {
  grid-column: 2 / 3;
  min-width: 160px;
  max-width: 100%;
  width: 100%;
}

.control-container input[type='checkbox'] {
  grid-column: 2 / 3;
  justify-self: start;
}

.control-container .value-input {
  grid-column: 3 / 4;
  font-size: 0.85em;
  color: #888;
  text-align: left;
  width: 4em;
  margin: 0.1em;
}

#name {
  display: block;
  font-size: 1.25em;
  text-align: center;
  font-weight: bold;
  color: #323232;
  margin: 0.5em 0;
  margin-top: -0.5em;
}

#piano {
  position: relative;
  padding-left: 1.0em;
  margin: 1em 0;
  user-select: none;
}

#keys {
  position: relative;
  display: block;
  height: 120px;
}

#deleteBtn {
  margin-top: 1em;
  align-items: center;
  width: 100%;
}

#deleteBtn i {
  color: #c65;
  font-size: 1.0em;
  pointer-events: none;
}

#deleteBtn:hover {
  background: #e65;
}

#deleteBtn:hover i {
  color: #fff;
}

#playPauseBtn {
  width: 65px;
}

#stopBtn {
  width: 65px;
}

#instrumentSelect {
  font-family: monospace;
  min-width: 100px;
  padding-inline: 0.5em;
}

.performer {
  width: 480px;
  border: 0.5em solid #dadadb;
  padding: 1em;
  margin-bottom: 0.5em;
  border-radius: 10px;
  background: #f8f8fa;
}

.performer-header {
  display: flex;
  align-items: center;
  gap: 0.5em;
  margin-bottom: 0.5em;
}

.clip {
  position: relative;
  width: 480px;
  height: 240px;
  background: #222;
  border: 1px solid #444;
  user-select: none;
  margin-top: 0.5em;
  padding-bottom: 0.5em;
  overflow: hidden;
}

.clip-row {
  position: absolute;
  width: 400px;
  height: 12px;
  border-bottom: 1px solid #444;
  box-sizing: border-box;
  z-index: 0;
}

.clip-gridline {
  position: absolute;
  width: 1px;
  background: #333;
  z-index: 0;
  pointer-events: none;
}

.clip-marker {
  position: absolute;
  color: #aaa;
  font-size: 0.675em;
  z-index: 1;
  pointer-events: none;
  background: rgba(34, 34, 34, 0.8);
  padding: 1px;
  border-radius: 2px;
  transform: translate(-50%, 0);
}

.clip-note-name {
  position: absolute;
  color: #aaa;
  font-size: 0.75em;
  text-align: left;
  padding: 2px;
  z-index: 1;
  pointer-events: none;
}

.clip-note {
  position: absolute;
  background: #4af;
  border: 1px solid #08f;
  border-radius: 3px;
  opacity: 0.85;
  cursor: pointer;
  box-sizing: border-box;
  z-index: 1;
}