.control-panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
  overflow-y: auto;
}

.panel-block {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 18px;
}

.panel-block h2 {
  font-size: 14px;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.drop-zone {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  border: 1px dashed var(--panel-border);
  border-radius: 10px;
  padding: 22px 12px;
  font-size: 13px;
  color: var(--text-dim);
  cursor: pointer;
  transition:
    border-color 150ms ease,
    color 150ms ease;
}

.drop-zone:hover,
.drop-zone.drag-over {
  border-color: var(--accent);
  color: var(--text);
}

.file-meta {
  margin-top: 10px;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--text-dim);
  white-space: pre-line;
}

.file-error {
  margin-top: 10px;
  font-size: 12px;
  color: var(--danger);
}

.transport-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.btn {
  background: var(--drum-fill-hi);
  border: 1px solid var(--panel-border);
  color: var(--text);
  padding: 8px 16px;
  border-radius: 8px;
  font-family: "Inter", sans-serif;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition:
    border-color 150ms ease,
    color 150ms ease;
}

.btn:hover:not(:disabled) {
  border-color: var(--accent);
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.time-display {
  margin-left: auto;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--text-dim);
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.volume-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  font-size: 12px;
  color: var(--text-dim);
}

.volume-row input[type="range"] {
  flex: 1;
  min-width: 0;
}

.volume-row input[type="number"] {
  width: 56px;
  flex: none;
  background: transparent;
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  color: var(--text);
  font-family: "Inter", sans-serif;
  font-size: 12px;
  padding: 4px 6px;
}

.speed-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.speed-group[hidden] {
  display: none;
}

.speed-unit {
  margin-left: -6px;
}

.segmented {
  display: flex;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  overflow: hidden;
}

.segment {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-family: "Inter", sans-serif;
  font-size: 12px;
  font-weight: 500;
  padding: 9px 6px;
  cursor: pointer;
  transition:
    background 150ms ease,
    color 150ms ease;
}

.segment.active {
  background: var(--accent);
  color: var(--bg);
}