/* ============================================================
   v6 Per-track AI role badge + role picker popover
   ============================================================
*/

@layer v6-components {

  /* Compact pill inside each .track-title row */
  .v6-track-role {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    height: 22px;
    background: rgba(139, 92, 246, 0.10);
    border: 1px solid rgba(139, 92, 246, 0.25);
    border-radius: 999px;
    color: var(--accent-primary, #8b5cf6);
    font-family: var(--font-sans, system-ui);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    line-height: 1;
    cursor: pointer;
    margin-left: 6px;

    transition: background var(--duration-fast, 120ms),
                border-color var(--duration-fast, 120ms),
                color var(--duration-fast, 120ms);
  }
  .v6-track-role:hover {
    background: rgba(139, 92, 246, 0.18);
    border-color: rgba(139, 92, 246, 0.45);
    color: var(--text-primary, #fafafa);
  }
  .v6-track-role:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px var(--surface-200, #111113), 0 0 0 4px var(--accent-primary, #8b5cf6);
  }
  .v6-track-role .v6-icon {
    width: 12px;
    height: 12px;
  }
  .v6-track-role__chev {
    opacity: 0.6;
    margin-left: 2px;
    transition: transform var(--duration-fast, 120ms);
  }
  .v6-track-role[aria-expanded="true"] .v6-track-role__chev {
    transform: rotate(180deg);
  }
  .v6-track-role__label {
    font-size: 10px;
  }

  /* Drum tracks: color the badge orange to match track color */
  .track[data-track="3"] .v6-track-role,
  .track[data-track="6"] .v6-track-role,
  .track[data-track="9"] .v6-track-role {
    background: rgba(251, 146, 60, 0.10);
    border-color: rgba(251, 146, 60, 0.25);
    color: var(--track-drums, #fb923c);
  }
  .track[data-track="3"] .v6-track-role:hover,
  .track[data-track="6"] .v6-track-role:hover,
  .track[data-track="9"] .v6-track-role:hover {
    background: rgba(251, 146, 60, 0.18);
    border-color: rgba(251, 146, 60, 0.45);
  }

  /* ============================================================
     Role picker popover
     ============================================================ */
  .v6-track-role__menu {
    position: fixed;
    z-index: var(--z-popover, 1000);
    width: 260px;
    padding: 6px;
    background: var(--v6-panel, var(--surface-300, #18181b));
    border: 1px solid var(--v6-border-strong, rgba(255,255,255,0.14));
    border-radius: var(--radius-lg, 8px);
    box-shadow: var(--shadow-4, 0 24px 64px rgba(0,0,0,0.7));

    opacity: 0;
    transform: scale(0.96) translateY(-2px);
    transform-origin: top left;
    transition: opacity var(--duration-fast, 120ms) var(--ease-out-quart),
                transform var(--duration-fast, 120ms) var(--ease-out-quart);
  }
  .v6-track-role__menu--visible {
    opacity: 1;
    transform: scale(1) translateY(0);
  }

  .v6-track-role__menu-header {
    padding: 6px 10px 8px;
    border-bottom: 1px solid var(--v6-border-faint, rgba(255,255,255,0.04));
    margin-bottom: 4px;
    color: var(--text-muted, #71717a);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
  }

  .v6-track-role__item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    width: 100%;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm, 4px);
    color: var(--text-primary, #fafafa);
    cursor: pointer;
    text-align: left;
    transition: background var(--duration-fast, 120ms);
  }
  .v6-track-role__item:hover {
    background: var(--surface-500, #27272b);
  }
  .v6-track-role__item--active {
    background: rgba(139, 92, 246, 0.10);
    border-color: rgba(139, 92, 246, 0.25);
  }

  .v6-track-role__item-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: rgba(139, 92, 246, 0.15);
    color: var(--accent-primary, #8b5cf6);
    border-radius: var(--radius-sm, 4px);
    flex-shrink: 0;
  }
  .v6-track-role__item-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
  }
  .v6-track-role__item-text strong {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary, #fafafa);
  }
  .v6-track-role__item-text span {
    font-size: 10px;
    color: var(--text-muted, #71717a);
    line-height: 1.3;
  }
  .v6-track-role__check {
    color: var(--accent-primary, #8b5cf6);
    flex-shrink: 0;
  }
}