/* ─── Waveform Container ─────────────────────────────────────── */
.waveform-container {
  height: 72px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--surface-2);
  margin-bottom: 10px;
}

/* ─── Controls Bar ───────────────────────────────────────────── */
.waveform-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.play-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.15s, border-color 0.15s;
}
.play-btn:hover {
  background: var(--border);
  border-color: var(--accent);
}
.track-filename {
  flex: 1;
  font-size: 0.8rem;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.remove-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.5;
  transition: opacity 0.15s, background 0.15s;
}
.remove-btn:hover {
  opacity: 1;
  background: rgba(239, 68, 68, 0.1);
}

/* ─── Basic Analysis Panel ───────────────────────────────────── */
.basic-analysis {
  border-top: 1px solid var(--border);
  padding-top: 12px;
}
.spectrum-canvas {
  width: 100%;
  display: block;
  margin-bottom: 8px;
}
.loudness-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 99px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  letter-spacing: 0.03em;
}
.badge.rms  { color: #a78bfa; border-color: rgba(167,139,250,0.3); }
.badge.peak { color: #34d399; border-color: rgba(52,211,153,0.3); }
.badge-check--ok   { color: #22c55e; border-color: rgba(34,197,94,0.3);   }
.badge-check--warn { color: #fbbf24; border-color: rgba(251,191,36,0.35); }