#round-controls {
  display: flex;
  flex-wrap: nowrap;
  gap: 0;
  padding: 20px;
  background-color: #f0f0f0;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.round-controls-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.control-group {
  background-color: #f0f0f0;
  padding: 15px;
  border-radius: 8px;
}
.control-group label {
  color: #333;
}

@media (max-width: 768px) {
  .round-controls-grid {
    grid-template-columns: 1fr;
  }
}

.control-group {
  flex: 1;
  min-width: 250px;
  padding: 0 20px;
  border-right: 1px solid #ccc;
  display: flex;
  flex-direction: column;
}

.control-group:last-child {
  border-right: none;
}

.control-group h3 {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 1.2em;
  color: #333;
}

.state-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toggle-btn {
  padding: 8px 12px;
  /* background: linear-gradient(to bottom, #f0f0f0, #e0e0e0); */
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.3s;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.toggle-btn:hover {
  background: linear-gradient(to bottom, #e8e8e8, #d8d8d8);
}

.toggle-btn.active {
  background: linear-gradient(to bottom, #5CBA60, #4CAF50);
  color: white;
}

.toggle-btn span {
  display: block;
  font-size: 0.8em;
  margin-top: 4px;
}

.sets-input, .start-note-input, .riff-select {
  margin-bottom: 10px;
}

.sets-input label, .start-note-input label, .riff-select label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
}

.sets-input input, .start-note-input input, .riff-select select {
  width: 100%;
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.input-description {
  display: block;
  font-size: 0.9em;
  color: #666;
  margin-top: 5px;
}

.start-note-input input {
  width: calc(50% - 5px);
  display: inline-block;
}

.start-note-input input:first-of-type {
  margin-right: 10px;
}

.start-note-input {
  display: flex;
  align-items: center;
}

.start-note-input input {
  flex: 1;
  margin-right: 10px;
}

#listen-btn {
  padding: 8px 12px;
  background-color: #e0e0e0;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s;
}

#listen-btn:hover {
  background-color: #d0d0d0;
}

#listen-btn.active {
  background-color: #4CAF50;
  color: white;
}