/* Only the note grid scrolls. Loop choice and selected-note actions stay in reach. */
.sequencer-view {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
  min-height: 0;
  height: 100%;
  overflow: hidden;
}
.sequencer-view button { min-height: 44px; touch-action: manipulation; }
.sequencer-view .sequence-topline { flex: 0 0 auto; min-width: 0; }
.sequencer-view .loop-tabs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; margin: 0; }
.sequencer-view .loop-tabs button,
.sequencer-view .sequence-pages button {
  position: relative;
  min-width: 0;
  padding: 5px 8px;
  border: 1px solid var(--line, #d2dedb);
  border-radius: 9px;
  color: var(--ink, #18343b);
  background: var(--surface, #fff);
  font-size: .82rem;
  font-weight: 800;
  white-space: nowrap;
}
.sequencer-view .loop-tabs button.selected,
.sequencer-view .sequence-pages button.selected {
  border-color: var(--teal, #176b70);
  color: #fff;
  background: var(--teal, #176b70);
}
.sequencer-view .loop-tabs button.sounding { box-shadow: inset 0 -4px 0 var(--coral, #d97858); }
.sequencer-view .loop-tabs button.pending { border-style: dashed; }
.sequencer-view .loop-state-mark { display: inline-block; width: 15px; margin-left: 3px; }
.sequencer-view .sequence-loop-status {
  min-height: 1.3em;
  margin: 4px 0 0;
  color: var(--muted, #5b7277);
  font-size: .75rem;
  line-height: 1.3;
}
.sequencer-view .sequence-pagebar { display: flex; align-items: center; flex: 0 0 auto; gap: 8px; min-width: 0; font-size: .75rem; }
.sequencer-view .sequence-pagebar > span { font-weight: 750; }
.sequencer-view .sequence-pagebar > small { margin-left: auto; color: var(--muted, #5b7277); }
.sequencer-view .sequence-pages { display: flex; gap: 4px; }
.sequencer-view .sequence-pages button { min-width: 44px; font-size: .72rem; }
.sequencer-view .page-playing { position: absolute; bottom: 3px; left: calc(50% - 2px); width: 4px; height: 4px; border-radius: 50%; background: var(--coral, #d97858); }
.sequencer-view .sequencer-scroll {
  flex: 1 1 0;
  min-width: 0;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-color: #9cb8b3 transparent;
}
.sequencer-view .sequencer-grid { display: block; min-width: 0; }
.sequencer-view .sequence-header,
.sequencer-view .sequence-row { display: grid; width: 100%; gap: 4px; align-items: stretch; min-width: 0; }
.sequencer-view .sequence-header { position: sticky; top: 0; z-index: 3; padding-bottom: 4px; background: var(--surface, #fff); }
.sequencer-view .sequence-row { margin-bottom: 4px; }
.sequencer-view .sequence-corner,
.sequencer-view .sequence-row-label {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  min-height: 44px;
  padding: 3px 4px 3px 0;
  color: var(--ink, #18343b);
  border-right: 1px solid var(--line, #d2dedb);
}
.sequencer-view .sequence-corner { min-height: 24px; }
.sequencer-view .sequence-row-label strong { font-size: .75rem; line-height: 1.2; overflow-wrap: anywhere; }
.sequencer-view .sequence-row-label small { font-size: .64rem; line-height: 1.2; color: var(--muted, #5b7277); }
.sequencer-view .step-heading {
  display: grid;
  place-items: center;
  min-height: 24px;
  padding: 0;
  border-radius: 6px;
  background: #f1f6f3;
  color: var(--muted, #5b7277);
  font-size: .7rem;
  font-weight: 800;
}
.sequencer-view .step-heading.beat-start { background: var(--teal-wash, #e4f2ef); color: var(--teal-strong, #0e5358); }
.sequencer-view .sequence-cell {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 0;
  min-height: 44px;
  padding: 0;
  border: 1px solid var(--line, #d2dedb);
  border-radius: 7px;
  background: #f1f6f3;
  appearance: none;
  -webkit-appearance: none;
  touch-action: pan-y;
}
.sequencer-view .sequence-cell.beat-start { border-left: 2px solid #9bbdb6; }
.sequencer-view .sequence-cell:hover { background: var(--teal-wash, #e4f2ef); }
.sequencer-view .sequence-cell.filled { border-color: var(--teal, #176b70); background: var(--teal, #176b70); touch-action: none; }
.sequencer-view .sequence-cell.tail { background: #69a7a4; border-color: #69a7a4; }
.sequencer-view .sequence-cell.selected { outline: 3px solid var(--coral, #d97858); outline-offset: -3px; }
.sequencer-view .sequence-cell.playhead { box-shadow: inset 0 0 0 3px var(--coral, #d97858); }
.sequencer-view .sequence-cell.drop-target { outline: 3px dashed var(--coral, #d97858); outline-offset: -4px; }
.sequencer-view .event-mark { width: 10px; height: 10px; border-radius: 50%; background: #fff; pointer-events: none; }
.sequencer-view .note-continuation { position: absolute; top: 50%; transform: translateY(-50%); color: white; font-size: 1.5rem; line-height: 1; pointer-events: none; }
.sequencer-view .note-continuation.before { left: 3px; }
.sequencer-view .note-continuation.after { right: 3px; }
.sequencer-view .note-resize-handle { position: absolute; inset: 0 0 0 auto; width: 19px; border-radius: 0 6px 6px 0; background: #ffffff35; cursor: ew-resize; touch-action: none; }
.sequencer-view .note-resize-handle::after { content: ''; position: absolute; top: 50%; left: 50%; width: 4px; height: 19px; border-left: 2px solid #fff; border-right: 2px solid #fff; transform: translate(-50%, -50%); }
.sequencer-view .sequence-editbar { flex: 0 0 auto; min-width: 0; padding: 7px 8px; border: 1px solid var(--line, #d2dedb); border-radius: 10px; background: var(--teal-wash, #e4f2ef); }
.sequencer-view .sequence-selection { min-height: 1.3em; margin-bottom: 3px; font-size: .74rem; color: var(--teal-strong, #0e5358); }
.sequencer-view .sequence-edit-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 8px; }
.sequencer-view .sequence-edit-actions button { flex: 0 0 auto; min-width: 44px; padding: 4px; border: 1px solid var(--line, #d2dedb); border-radius: 7px; background: var(--surface, #fff); color: var(--ink, #18343b); font-size: 1rem; }
.sequencer-view .sequence-edit-actions button:disabled { opacity: .4; }
.sequencer-view .sequence-edit-actions .sequence-delete { padding: 4px 7px; color: #a44735; font-size: .75rem; }
.sequencer-view .sequence-length,
.sequencer-view .sequence-move { display: flex; align-items: center; gap: 3px; }
.sequencer-view .sequence-length > span { font-size: .72rem; }
.sequencer-view .sequence-length output { min-width: 17px; text-align: center; font-size: .8rem; font-weight: 800; }
.sequencer-view .sequence-velocity { display: flex; flex: 1 1 140px; flex-direction: column; justify-content: center; gap: 0; min-width: 100px; margin: 0; }
.sequencer-view .sequence-velocity > span { display: flex; justify-content: space-between; gap: 8px; font-size: .7rem; }
.sequencer-view .sequence-velocity input[type=range] { width: 100%; height: 44px; margin: -4px 0 -5px; accent-color: var(--teal, #176b70); touch-action: none; }
@media (max-width: 600px) {
  .sequencer-view { gap: 5px; }
  .sequencer-view .loop-state-mark { position: absolute; top: 2px; right: 2px; width: 12px; margin-left: 0; font-size: .62rem; line-height: 1; }
  .sequencer-view .sequence-pagebar > small { display: none; }
  .sequencer-view .sequence-editbar { padding: 5px; }
  .sequencer-view .sequence-edit-actions { gap: 3px 5px; }
  .sequencer-view .sequence-edit-actions .sequence-delete { min-width: 60px; }
  .sequencer-view .sequence-velocity { flex-basis: 90px; min-width: 80px; }
}

/* With little vertical space, use the central pane as the sole scroll area. */
@media (max-height: 650px) {
  .sequencer-view { height: auto; overflow: visible; }
  .sequencer-view .sequencer-scroll { flex: none; overflow: visible; }
}