:root {
  color-scheme: dark;
  --black: #090b0d;
  --paper: #101318;
  --blue: #1a2027;
  --blue-dark: #303a45;
  --violet: #4b5563;
  --white: #e7edf4;
  --ink: #d8e0ea;
  --green: #27d79a;
  --yellow: #f2c94c;
  --red: #ff6475;
  --dim: #8b97a6;
  --grid: #26313b;
  --app-bg: #0b0e11;
  --surface: #141920;
  --surface-2: #1c232b;
  --surface-3: #222b35;
  --field: #0d1116;
  --border: #313b46;
  --border-strong: #46515f;
  --accent: #2fd7c4;
  --accent-soft: rgba(47, 215, 196, 0.14);
  --amber-soft: rgba(242, 201, 76, 0.15);
  --pattern-pos-width: 40px;
  --pattern-row-height: 21px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100vh;
  overflow: hidden;
}

body {
  background: var(--app-bg);
  color: var(--ink);
  font: 13px/1.25 "Cascadia Mono", "IBM Plex Mono", Consolas, "Courier New", monospace;
}

button,
input,
select {
  font: inherit;
}

button,
input,
select {
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--field);
  color: var(--ink);
  font-weight: 700;
}

button {
  min-height: 29px;
  padding: 0 7px;
  background: var(--surface-2);
  color: var(--white);
  cursor: pointer;
}

button:not(:disabled):hover {
  border-color: var(--accent);
  background: var(--surface-3);
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

button:not(:disabled):active {
  background: var(--accent-soft);
  color: var(--white);
}

input,
select {
  width: 100%;
  min-height: 25px;
  padding: 1px 4px;
}

select {
  appearance: none;
}

input:focus,
select:focus,
button:focus-visible {
  border-color: var(--accent);
  outline: 2px solid var(--accent-soft);
  outline-offset: 0;
}

h2 {
  margin: 0;
  padding: 0 0 0 6px;
  border-left: 3px solid var(--accent);
  background: transparent;
  color: var(--white);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.side-panel,
.right-panel,
.order-list,
.pattern-wrap,
.fx-reference,
.step-grid,
.arp-grid,
.toolbar {
  scrollbar-color: var(--border-strong) var(--field);
  scrollbar-width: thin;
}

.app {
  height: 100vh;
  min-height: 0;
  overflow: hidden;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  gap: 5px;
  padding: 6px;
}

.topbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, auto) minmax(0, 1fr);
  gap: 8px;
  align-items: center;
}

.topbar,
.transport-strip,
.workspace {
  width: 100%;
  justify-self: stretch;
}

.brand {
  grid-column: 1;
  justify-self: start;
  min-width: 0;
}

.brand-title {
  color: var(--white);
  font-family: "Trebuchet MS", Arial, Helvetica, sans-serif;
  font-size: 25px;
  font-style: normal;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
  text-shadow: none;
  white-space: nowrap;
}

.app-version {
  grid-column: 3;
  grid-row: 1;
  justify-self: end;
  align-self: start;
  padding-top: 1px;
  color: var(--dim);
  font-size: 9px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0;
  text-transform: uppercase;
  white-space: nowrap;
  opacity: 0.72;
}

.status-text {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.toast-host {
  display: flex;
  flex-direction: row-reverse;
  align-items: center;
  justify-content: flex-end;
  gap: 5px;
  width: 100%;
  min-width: 0;
  min-height: 100%;
  overflow: hidden;
  pointer-events: none;
}

.toast {
  flex: 0 1 auto;
  max-width: min(360px, 100%);
  min-width: 0;
  padding: 5px 9px;
  border: 1px solid rgba(47, 215, 196, 0.45);
  border-radius: 4px;
  background: rgba(13, 17, 22, 0.94);
  color: var(--white);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.34);
  font-size: 11px;
  font-weight: 800;
  line-height: 1.1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  animation: toast-in 120ms ease-out;
}

.toast.error {
  border-color: rgba(255, 100, 117, 0.6);
  color: #ffd5da;
}

.toast.leaving {
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 160ms ease, transform 160ms ease;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.toolbar,
.mini-buttons {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
  align-items: center;
}

.toolbar {
  grid-column: 2;
  justify-self: center;
  justify-content: center;
  max-width: min(760px, calc((100vw - 16px) * 0.58));
  min-width: 0;
}

.follow-toggle {
  display: inline-flex;
  grid-auto-flow: column;
  grid-template-columns: auto auto;
  align-items: center;
  gap: 6px;
  color: var(--dim);
  font-size: 13px;
  min-height: 29px;
}

.follow-toggle input {
  width: 18px;
  min-height: 18px;
  padding: 0;
}

.transport-strip {
  min-height: 28px;
  display: grid;
  grid-template-columns: minmax(136px, 148px) minmax(108px, 124px) minmax(0, 1fr);
  gap: 5px;
  align-items: stretch;
}

.transport-item {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 7px;
  padding: 4px 7px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface);
  color: var(--dim);
}

.transport-item span {
  font-size: 10px;
  font-weight: 900;
}

.transport-item strong {
  color: var(--white);
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
}

.transport-item.time-item {
  min-width: 136px;
}

.transport-item.time-item strong {
  min-width: 8.2ch;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.transport-item.audio-item {
  min-width: 108px;
}

.transport-item.audio-item span {
  font-size: 9px;
}

.transport-item.audio-item strong {
  color: var(--accent);
  max-width: none;
  overflow: hidden;
  text-overflow: ellipsis;
}

.transport-toast-slot {
  min-width: 0;
  overflow: hidden;
  display: flex;
  align-items: stretch;
}

.workspace {
  min-height: 0;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(220px, 0.55fr) minmax(720px, 2fr);
  grid-template-rows: minmax(0, 1fr) auto;
  gap: 6px;
  align-items: stretch;
  justify-content: stretch;
}

.side-panel,
.main-panel {
  min-height: 0;
  overflow: hidden;
}

.side-panel {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto auto;
  gap: 6px;
}

.right-panel {
  min-height: 0;
  overflow: hidden;
  display: none;
  grid-template-rows: minmax(0, 1fr);
  gap: 6px;
}

.panel,
.main-panel {
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--surface);
  color: var(--ink);
  padding: 5px;
}

.side-panel > .panel,
.right-panel > .panel {
  min-height: 0;
  overflow: hidden;
}

.order-panel {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}

.pattern-controls-panel .panel-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px;
}

.pattern-controls-panel .panel-head h2 {
  min-width: 0;
}

.pattern-meta-grid {
  display: grid;
  grid-template-columns: minmax(44px, 0.95fr) minmax(48px, 1.05fr) minmax(42px, 0.9fr) minmax(42px, 0.9fr);
  gap: 4px;
  align-items: end;
}

.pattern-meta-grid label {
  gap: 2px;
  min-width: 0;
  font-size: 10px;
}

.pattern-meta-grid label span {
  overflow: hidden;
  color: var(--dim);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pattern-meta-grid .structural-field span {
  color: var(--yellow);
}

.pattern-meta-grid input {
  width: 100%;
  min-width: 0;
  min-height: 23px;
  padding: 0 3px;
  text-align: center;
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.pattern-controls-panel .mini-buttons {
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 3px;
}

.pattern-controls-panel .mini-buttons button {
  min-height: 22px;
  padding: 0 3px;
  border-width: 2px;
  font-size: 10px;
}

.instrument-panel {
  display: grid;
  grid-template-rows: auto auto auto auto minmax(0, 1fr);
}

.arpeggio-panel {
  display: grid;
  grid-template-rows: auto auto auto auto minmax(0, 1fr);
}

.piano-panel {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}

.main-panel {
  padding: 5px;
  overflow: hidden;
  display: grid;
  grid-template-rows: minmax(0, 1fr);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
  min-height: 20px;
  margin-bottom: 4px;
}

.panel .mini-buttons button {
  min-height: 23px;
  padding: 0 4px;
  border-width: 2px;
  font-size: 11px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
}

.form-grid.compact {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.wide-field {
  grid-column: 1 / -1;
}

label {
  display: grid;
  gap: 1px;
  min-width: 0;
  color: var(--dim);
  font-size: 11px;
  font-weight: 700;
}

.inline-check {
  grid-template-columns: 1fr auto;
  align-items: center;
}

.inline-check input {
  width: 18px;
  min-height: 18px;
}

.arpeggio-actions {
  display: flex;
  align-items: center;
  gap: 5px;
}

.audition-arp-toggle,
.piano-follow-toggle,
.piano-kbd-toggle {
  min-height: 23px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 0 5px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--field);
  color: var(--dim);
  font-size: 10px;
  font-weight: 900;
  white-space: nowrap;
}

.audition-arp-toggle input,
.piano-follow-toggle input,
.piano-kbd-toggle input {
  width: 15px;
  min-height: 15px;
  padding: 0;
}

input[type="range"] {
  width: 100%;
  padding: 0;
  background: transparent;
  accent-color: var(--accent);
}

input[type="range"].volume-slider {
  height: 18px;
  cursor: pointer;
  appearance: none;
}

input[type="range"].volume-slider::-webkit-slider-runnable-track {
  height: 4px;
  border: 1px solid #2b3742;
  border-radius: 2px;
  background: linear-gradient(90deg, rgba(47, 215, 196, 0.52), rgba(47, 215, 196, 0.18));
}

input[type="range"].volume-slider::-webkit-slider-thumb {
  width: 9px;
  height: 14px;
  margin-top: -6px;
  border: 1px solid #8deee3;
  border-radius: 2px;
  background: var(--accent);
  appearance: none;
  box-shadow: 0 0 0 1px rgba(3, 17, 15, 0.5);
}

input[type="range"].volume-slider::-moz-range-track {
  height: 4px;
  border: 1px solid #2b3742;
  border-radius: 2px;
  background: linear-gradient(90deg, rgba(47, 215, 196, 0.52), rgba(47, 215, 196, 0.18));
}

input[type="range"].volume-slider::-moz-range-thumb {
  width: 9px;
  height: 14px;
  border: 1px solid #8deee3;
  border-radius: 2px;
  background: var(--accent);
  box-shadow: 0 0 0 1px rgba(3, 17, 15, 0.5);
}

.channel-head-control {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 22px 22px;
  align-items: center;
  gap: 4px;
}

.vu-meter {
  grid-column: 1 / -1;
  height: 5px;
  overflow: hidden;
  border-radius: 3px;
  background: #080b0e;
  border: 1px solid #1d252d;
}

.vu-meter span {
  display: block;
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--green), var(--yellow), var(--red));
  transition: width 70ms linear;
}

.channel-head-control span {
  min-width: 0;
  overflow: hidden;
  color: var(--white);
  font-size: 12px;
  font-weight: 900;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.channel-head-control button {
  min-height: 18px;
  padding: 0;
  font-size: 10px;
}

button.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

.tracker-body {
  min-height: 0;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(500px, 1fr) minmax(270px, 0.44fr);
  gap: 5px;
}

.tracker-editor {
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 4px;
}

.tracker-editor .pattern-stage,
.tracker-editor .pattern-wrap {
  min-width: 0;
}

.fx-reference-panel {
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--field);
}

.fx-reference-panel .panel-head {
  margin-bottom: 0;
}

.fx-reference-panel .panel-head strong {
  color: var(--accent);
  font-size: 11px;
  font-weight: 900;
  white-space: nowrap;
}

.fx-detail {
  min-height: 72px;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  gap: 4px;
  padding: 5px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: #0a0f14;
}

.fx-detail strong {
  color: var(--white);
  font-size: 12px;
}

.fx-detail-meta {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px;
}

.fx-detail-meta span {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--dim);
  font-size: 10px;
  font-weight: 900;
  white-space: nowrap;
}

.fx-detail-meta b {
  color: var(--dim);
  font-size: 9px;
}

.fx-detail-meta code {
  color: var(--green);
  font-size: 11px;
}

.fx-detail-meta em {
  min-width: 0;
  overflow: hidden;
  color: var(--yellow);
  font-style: normal;
  text-overflow: ellipsis;
}

.fx-detail small {
  min-width: 0;
  color: var(--dim);
  font-size: 10px;
  line-height: 1.25;
}

.fx-detail.warning {
  border-color: rgba(242, 201, 76, 0.45);
}

.fx-detail.warning small {
  color: var(--yellow);
}

.fx-reference {
  min-height: 0;
  overflow: auto;
  display: grid;
  align-content: start;
  gap: 3px;
}

.fx-ref-head,
.fx-ref-row {
  min-width: 0;
  display: grid;
  grid-template-columns: 21px minmax(82px, 1fr) minmax(74px, 0.8fr) minmax(68px, 1fr);
  gap: 5px;
  align-items: center;
}

.fx-ref-head {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 3px 4px;
  border-bottom: 1px solid var(--border);
  background: var(--field);
  color: var(--dim);
  font-size: 9px;
  font-weight: 900;
  text-transform: uppercase;
}

.fx-ref-row {
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: #0b1015;
  cursor: pointer;
}

.fx-ref-row:hover,
.fx-ref-row:focus-visible {
  border-color: var(--accent);
  background: #101820;
  outline: none;
}

.fx-ref-row strong {
  color: var(--accent);
  font-size: 14px;
  text-align: center;
}

.fx-ref-row span {
  min-width: 0;
  overflow: hidden;
  color: var(--white);
  font-size: 10px;
  font-weight: 900;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fx-ref-row code {
  min-width: 0;
  overflow: hidden;
  color: var(--yellow);
  font-size: 10px;
  font-weight: 900;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fx-ref-row small {
  min-width: 0;
  overflow: hidden;
  color: var(--dim);
  font-size: 10px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fx-ref-row.active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.fx-ref-row.muted {
  opacity: 0.62;
}

.main-piano-panel {
  grid-column: 1 / -1;
  grid-row: 2;
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: auto auto;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--field);
}

.main-piano-panel .panel-head {
  margin-bottom: 0;
}

.main-piano-head {
  align-items: center;
}

.main-piano-controls {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  flex-wrap: wrap;
}

.main-piano-controls label {
  min-width: 126px;
  display: grid;
  grid-template-columns: auto minmax(64px, 1fr);
  align-items: center;
  gap: 4px;
  font-size: 10px;
  white-space: nowrap;
}

.main-piano-controls .audition-arp-toggle,
.main-piano-controls .piano-follow-toggle,
.main-piano-controls .piano-kbd-toggle {
  min-width: 82px;
  display: inline-flex;
}

.main-piano-controls .piano-kbd-toggle {
  min-width: 92px;
}

.main-piano-controls .keyboard-layout-control {
  min-width: 96px;
}

.main-piano-controls select {
  min-height: 21px;
  padding: 0 4px;
  font-size: 10px;
}

.main-piano-controls strong {
  min-width: 38px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  text-align: right;
}

.main-piano-keyboard {
  margin: 0;
}

.order-list {
  min-height: 0;
  max-height: none;
  overflow: auto;
  display: grid;
  align-content: start;
  gap: 3px;
}

.order-row {
  display: grid;
  grid-template-columns: 30px 1fr 1fr;
  gap: 3px;
  align-items: center;
  padding: 2px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--field);
  color: var(--ink);
  cursor: pointer;
}

.order-row:hover {
  border-color: var(--border-strong);
  background: var(--surface-2);
}

.order-row span {
  color: var(--dim);
  text-align: right;
  font-weight: 700;
}

.order-row input {
  min-height: 21px;
  border-width: 1px;
  padding: 0 3px;
}

.order-row.active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.order-row.playing {
  background: var(--amber-soft);
}

.pattern-stage {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 0;
  --pattern-follow-line-top: 50%;
  --pattern-follow-line-height: 18px;
}

.pattern-wrap {
  width: 100%;
  height: 100%;
  min-height: 0;
  overflow: auto;
  --pattern-follow-spacer-top: 0px;
  --pattern-follow-spacer-bottom: 0px;
  background: var(--field);
  border: 1px solid var(--border);
  border-radius: 4px;
}

.pattern-follow-line {
  position: absolute;
  z-index: 4;
  left: 1px;
  right: 1px;
  top: var(--pattern-follow-line-top);
  height: var(--pattern-follow-line-height);
  pointer-events: none;
  border-top: 1px solid rgba(242, 201, 76, 0.78);
  border-bottom: 1px solid rgba(242, 201, 76, 0.46);
  background: rgba(242, 201, 76, 0.08);
  box-shadow: inset 0 0 0 1px rgba(242, 201, 76, 0.08);
}

.pattern-table {
  width: 100%;
  min-width: 500px;
  border-collapse: separate;
  border-spacing: 0;
  table-layout: fixed;
  background: var(--field);
  color: var(--ink);
}

.pattern-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--surface-2);
  color: var(--white);
  border-bottom: 1px solid var(--border-strong);
  font-weight: 900;
  text-align: center;
  padding: 4px;
}

.pattern-table [data-select-pattern],
.pattern-table [data-select-channel],
.pattern-table [data-select-row] {
  cursor: pointer;
  user-select: none;
}

.pattern-table [data-select-pattern]:hover,
.pattern-table [data-select-channel]:hover,
.pattern-table [data-select-row]:hover {
  color: var(--accent);
}

.pattern-table thead th span,
.pattern-table thead th small {
  display: block;
}

.pattern-table thead th small {
  margin-top: 2px;
  color: var(--dim);
  font-size: 10px;
  font-weight: 700;
}

.pattern-table thead th.channel-head {
  padding-bottom: 3px;
}

.pattern-table thead th.channel-head .vu-meter {
  margin-top: 3px;
}

.pattern-table th:first-child {
  width: var(--pattern-pos-width);
}

.pattern-table th:not(:first-child) {
  width: calc((100% - var(--pattern-pos-width)) / 3);
}

.pattern-table td {
  height: var(--pattern-row-height);
  border-bottom: 1px solid #18202a;
  padding: 0 3px;
  background: var(--field);
  vertical-align: middle;
}

.pattern-table tbody tr.measure-row td {
  box-shadow: inset 0 1px 0 var(--grid);
}

.pattern-table .pattern-scroll-spacer td {
  height: 0;
  padding: 0;
  border: 0;
  background: var(--field);
  line-height: 0;
}

.pattern-table .pattern-scroll-spacer-top td {
  height: var(--pattern-follow-spacer-top);
}

.pattern-table .pattern-scroll-spacer-bottom td {
  height: var(--pattern-follow-spacer-bottom);
}

.pattern-table tbody tr:hover td {
  background: #121922;
}

.pattern-table tr.play-row td {
  background: var(--amber-soft);
  color: var(--yellow);
}

.pattern-stage.fixed-follow .pattern-table tr.play-row td,
.pattern-stage.fixed-follow .pattern-table tbody tr.play-row:hover td {
  background: var(--field);
  color: inherit;
}

.row-number {
  color: var(--dim);
  text-align: right;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  line-height: calc(var(--pattern-row-height) - 1px);
}

.cell-controls {
  display: grid;
  grid-template-columns: 4ch 2ch 2ch 3ch;
  gap: 0.45ch;
  align-items: center;
  justify-content: center;
  height: calc(var(--pattern-row-height) - 1px);
  white-space: nowrap;
  border: 1px solid transparent;
  border-radius: 3px;
}

.cell-controls.selected {
  background: rgba(47, 215, 196, 0.08);
  border-color: rgba(47, 215, 196, 0.35);
}

.cell-controls.edit-cell {
  box-shadow: inset 0 0 0 1px var(--accent);
}

.cell-controls input,
.cell-controls select {
  height: calc(var(--pattern-row-height) - 3px);
  min-height: 0;
  border-width: 0;
  background: transparent;
  color: var(--ink);
  padding: 0;
  text-align: center;
  font-weight: 900;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
  line-height: calc(var(--pattern-row-height) - 3px);
}

.cell-controls input:focus,
.cell-controls select:focus {
  background: #111923;
  outline: 1px solid var(--accent);
}

.cell-controls input.invalid {
  color: var(--red);
}

.cell-controls [data-cell-field="note"] {
  color: #f4f7fb;
}

.cell-controls [data-cell-field="instrument"] {
  color: var(--green);
}

.cell-controls [data-cell-field="effect"],
.cell-controls [data-cell-field="param"] {
  color: var(--yellow);
}

.note-field {
  width: 4ch;
}

.inst-field,
.fx-field {
  width: 2ch;
}

.param-field {
  width: 3ch;
}

canvas {
  display: block;
  width: 100%;
  height: 96px;
  margin: 5px 0;
  background: var(--field);
  border: 1px solid var(--border);
  border-radius: 3px;
}

.right-panel canvas {
  height: clamp(170px, 24vh, 240px);
  margin: 3px 0;
}

.instrument-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 3px;
  margin-bottom: 4px;
}

.arpeggio-file-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 3px;
}

.instrument-actions button,
.instrument-actions select,
.arpeggio-file-actions button {
  min-height: 21px;
  padding: 0 3px;
  font-size: 10px;
}

#instrumentCanvas {
  cursor: crosshair;
  touch-action: none;
}

#arpeggioCanvas {
  cursor: crosshair;
  touch-action: none;
}

.piano-panel .panel-head strong {
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
}

.piano-keyboard {
  min-height: 74px;
  display: grid;
  grid-template-columns: repeat(9, minmax(78px, 1fr));
  gap: 4px;
  overflow: hidden;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--field);
}

.piano-keyboard.arp-active {
  border-color: rgba(242, 201, 76, 0.58);
  box-shadow: inset 0 0 0 1px rgba(242, 201, 76, 0.16);
}

.piano-octave {
  position: relative;
  min-width: 0;
  height: 64px;
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 1px;
}

.piano-key {
  min-width: 0;
  min-height: 0;
  padding: 0;
  border-radius: 2px;
  font-size: 8px;
  line-height: 1;
  text-align: center;
}

.piano-key.white {
  height: 64px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 3px;
  border-color: #7f8a96;
  background: #dfe6ee;
  color: #0b0e11;
}

.piano-key.black {
  position: absolute;
  top: 0;
  z-index: 2;
  width: 10%;
  height: 38px;
  border-color: #000;
  background: #05070a;
  color: transparent;
}

.piano-key.black.pos-1 {
  left: calc((100% / 7) - 5%);
}

.piano-key.black.pos-2 {
  left: calc((200% / 7) - 5%);
}

.piano-key.black.pos-4 {
  left: calc((400% / 7) - 5%);
}

.piano-key.black.pos-5 {
  left: calc((500% / 7) - 5%);
}

.piano-key.black.pos-6 {
  left: calc((600% / 7) - 5%);
}

.piano-key.playing,
.piano-key.auditioning {
  border-color: var(--yellow);
  box-shadow: inset 0 0 0 2px rgba(242, 201, 76, 0.7), 0 0 8px rgba(242, 201, 76, 0.35);
}

.piano-key.white.playing,
.piano-key.white.auditioning {
  background: #f4d66a;
  color: #0b0e11;
}

.piano-key.black.playing,
.piano-key.black.auditioning {
  background: #f2c94c;
  color: transparent;
}

body.instrument-focus .workspace {
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr);
}

body.instrument-focus .side-panel,
body.instrument-focus .main-panel,
body.instrument-focus .main-piano-panel {
  display: none;
}

body.instrument-focus .right-panel {
  grid-column: 1 / -1;
  grid-row: 1;
  display: grid;
  grid-template-columns: minmax(640px, 1.35fr) minmax(360px, 0.85fr);
  grid-template-rows: minmax(0, 1fr) auto;
  overflow: hidden;
}

body.instrument-focus .instrument-panel {
  display: grid;
  grid-column: 1;
  grid-template-columns: minmax(340px, 0.9fr) minmax(460px, 1.1fr);
  grid-template-rows: auto auto auto minmax(0, 1fr);
  gap: 6px;
}

body.instrument-focus .instrument-panel .panel-head {
  grid-column: 1 / -1;
}

body.instrument-focus .instrument-actions {
  grid-column: 1;
  grid-row: 2;
  margin-bottom: 0;
}

body.instrument-focus .instrument-panel > .form-grid {
  grid-column: 1;
  grid-row: 3;
}

body.instrument-focus #instrumentCanvas {
  grid-column: 1;
  grid-row: 4;
  align-self: stretch;
  height: 100%;
  min-height: 320px;
  margin: 0;
}

body.instrument-focus .instrument-panel > .step-grid {
  grid-column: 2;
  grid-row: 2 / 5;
}

body.instrument-focus .arpeggio-panel {
  grid-column: 2;
  display: grid;
  grid-template-rows: auto auto auto minmax(210px, 0.8fr) minmax(0, 1fr);
  gap: 6px;
}

body.instrument-focus #arpeggioCanvas {
  align-self: stretch;
  height: 100%;
  min-height: 210px;
  margin: 0;
}

body.instrument-focus .arpeggio-panel > .arp-grid {
  min-height: 0;
}

body.instrument-focus .piano-panel {
  grid-column: 1 / -1;
  min-height: 0;
}

.step-grid {
  min-height: 0;
  max-height: none;
  overflow: auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  justify-content: stretch;
  align-content: center;
  align-content: safe center;
  gap: 6px;
  background: var(--field);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 4px;
}

.step-grid-section {
  min-width: 0;
  display: grid;
  grid-template-columns: 28px minmax(46px, 0.82fr) minmax(50px, 0.92fr) minmax(58px, 1fr);
  align-content: start;
  gap: 2px 3px;
}

.step-grid .head {
  color: var(--dim);
  font-size: 10px;
  font-weight: 900;
  min-height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: stretch;
  padding: 0 3px;
  background: #111820;
  border: 1px solid rgba(49, 59, 70, 0.68);
  border-radius: 2px;
}

.step-grid .head:first-child {
  color: var(--accent);
}

.step-grid .repeat-step {
  background: rgba(47, 215, 196, 0.1);
  color: var(--accent);
}

.step-grid .repeat-start {
  border-left: 2px solid var(--accent);
}

.step-grid .repeat-end {
  border-right: 2px solid var(--accent);
}

.step-grid input {
  min-height: 19px;
  border-width: 0;
  background: #0b1015;
  color: var(--ink);
  padding: 0 3px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.inst-step-cell {
  min-width: 0;
  min-height: 21px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 18px;
  gap: 0;
  align-items: stretch;
  justify-content: stretch;
  background: #0b1015;
  border: 1px solid rgba(49, 59, 70, 0.68);
  border-radius: 2px;
  overflow: hidden;
}

.inst-step-cell input {
  width: 100%;
  min-width: 0;
  background: transparent;
  padding: 0 3px;
}

.inst-step-cell.masked input {
  color: var(--dim);
  text-decoration: line-through;
}

.step-grid input[data-inst-field="tone"] {
  width: 100%;
  min-height: 21px;
  justify-self: stretch;
  border: 1px solid rgba(49, 59, 70, 0.68);
  border-radius: 2px;
}

.step-grid input[data-inst-field="volume"] {
  color: var(--green);
}

.step-grid input[data-inst-field="noise"] {
  color: var(--yellow);
}

.mask-toggle {
  min-width: 0;
  min-height: 19px;
  padding: 0;
  border-width: 0;
  border-left: 1px solid rgba(49, 59, 70, 0.68);
  border-radius: 0;
  background: #111820;
  color: var(--dim);
  font-size: 9px;
  font-weight: 900;
}

.mask-toggle.active {
  background: rgba(242, 201, 76, 0.16);
  color: var(--yellow);
}

.arp-grid {
  min-height: 0;
  overflow: auto;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  justify-content: stretch;
  align-content: center;
  align-content: safe center;
  gap: 4px;
  background: var(--field);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 4px;
}

.arp-grid-section {
  min-width: 0;
  display: grid;
  grid-template-columns: 24px minmax(42px, 1fr);
  align-content: start;
  gap: 2px;
}

.arp-head,
.arp-step {
  color: var(--dim);
  font-size: 10px;
  font-weight: 900;
}

.arp-head {
  min-height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 2px;
  background: #111820;
  border: 1px solid rgba(49, 59, 70, 0.68);
  border-radius: 2px;
}

.arp-head:first-child {
  color: var(--accent);
}

.arp-step {
  min-height: 21px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #111820;
  border: 1px solid rgba(49, 59, 70, 0.68);
  border-radius: 2px;
}

.arp-grid input {
  width: 100%;
  min-width: 0;
  min-height: 21px;
  border: 1px solid rgba(49, 59, 70, 0.68);
  border-radius: 2px;
  background: #0b1015;
  color: var(--yellow);
  padding: 0 3px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.registers {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 3px;
}

.register {
  display: flex;
  justify-content: space-between;
  gap: 4px;
  padding: 2px;
  background: var(--field);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--yellow);
  font-weight: 900;
}

.register span:first-child {
  color: var(--dim);
}

.error {
  color: var(--red);
}

@media (max-width: 1120px) {
  .brand-title {
    font-size: 21px;
  }

  .transport-strip {
    grid-template-columns: minmax(112px, 128px) minmax(96px, 112px) minmax(0, 1fr);
  }

  .workspace {
    grid-template-columns: minmax(190px, 0.55fr) minmax(620px, 1.9fr);
    gap: 6px;
  }

  .pattern-table {
    min-width: 500px;
  }
}

@media (max-height: 820px) {
  :root {
    --pattern-pos-width: 34px;
    --pattern-row-height: 18px;
  }

  body {
    font-size: 11px;
    line-height: 1.16;
  }

  .app {
    grid-template-rows: auto 22px minmax(0, 1fr);
    gap: 3px;
    padding: 4px;
  }

  .topbar {
    grid-template-columns: minmax(0, 1fr) minmax(0, auto) minmax(0, 1fr);
    gap: 5px;
    align-items: center;
  }

  .brand-title {
    font-size: 18px;
    line-height: 1;
  }

  .app-version {
    font-size: 8px;
  }

  .status-text {
    max-width: 190px;
    font-size: 10px;
  }

  .toolbar,
  .mini-buttons {
    gap: 3px;
  }

  .toolbar {
    justify-content: center;
    flex-wrap: nowrap;
    max-height: 24px;
    max-width: min(760px, calc((100vw - 16px) * 0.58));
    min-width: 0;
    overflow-x: auto;
    overflow-y: hidden;
  }

  button {
    min-height: 22px;
    padding: 0 5px;
    font-size: 11px;
  }

  input,
  select {
    min-height: 20px;
    padding: 0 3px;
    font-size: 11px;
  }

  .follow-toggle {
    min-height: 22px;
    gap: 4px;
    font-size: 11px;
  }

  .follow-toggle input,
  .inline-check input {
    width: 15px;
    min-height: 15px;
  }

  .transport-strip {
    min-height: 22px;
    grid-template-columns: minmax(130px, 142px) minmax(98px, 116px) minmax(0, 1fr);
    gap: 3px;
  }

  .transport-item {
    gap: 4px;
    padding: 2px 5px;
  }

  .transport-item span {
    font-size: 9px;
  }

  .transport-item strong {
    font-size: 11px;
  }

  .transport-toast-slot {
    min-height: 22px;
  }

  .toast {
    padding: 4px 7px;
    font-size: 10px;
  }

  .workspace {
    grid-template-columns: minmax(178px, 0.5fr) minmax(560px, 1.85fr);
    gap: 4px;
  }

  .tracker-body {
    grid-template-columns: minmax(480px, 1fr) minmax(248px, 0.42fr);
    gap: 3px;
  }

  .side-panel,
  .right-panel {
    gap: 4px;
    overflow: auto;
  }

  .side-panel {
    grid-template-rows: auto minmax(70px, 1fr) auto;
  }

  .right-panel {
    grid-template-rows: minmax(0, 1fr);
  }

  .panel,
  .main-panel {
    padding: 4px;
    border-radius: 4px;
  }

  .side-panel > .panel,
  .right-panel > .panel {
    overflow: hidden;
  }

  .main-panel {
    gap: 3px;
  }

  .tracker-editor {
    gap: 3px;
  }

  .panel-head {
    min-height: 17px;
    margin-bottom: 3px;
  }

  h2 {
    padding-left: 5px;
    font-size: 10px;
  }

  label {
    gap: 0;
    font-size: 10px;
  }

  .form-grid {
    gap: 3px;
  }

  .pattern-meta-grid {
    grid-template-columns: minmax(38px, 0.95fr) minmax(42px, 1.05fr) minmax(36px, 0.9fr) minmax(38px, 0.9fr);
    gap: 3px;
  }

  .pattern-meta-grid label {
    font-size: 9px;
  }

  .pattern-meta-grid input {
    min-height: 19px;
    padding: 0 2px;
    font-size: 10px;
  }

  .pattern-controls-panel .mini-buttons button,
  .panel .mini-buttons button {
    min-height: 18px;
    padding: 0 3px;
    font-size: 9px;
  }

  .channel-head-control {
    grid-template-columns: minmax(0, 1fr) 18px 18px;
    gap: 2px;
  }

  .channel-head-control span,
  .channel-head-control button {
    font-size: 9px;
  }

  .channel-head-control button {
    min-height: 18px;
  }

  .vu-meter {
    height: 4px;
  }

  .fx-reference-panel {
    gap: 3px;
    padding: 3px;
  }

  .main-piano-panel {
    gap: 3px;
    padding: 3px;
  }

  .main-piano-controls {
    gap: 4px;
  }

  .main-piano-controls label {
    min-width: 108px;
    font-size: 9px;
  }

  .main-piano-controls select {
    min-height: 18px;
    font-size: 9px;
  }

  .main-piano-controls .audition-arp-toggle,
  .main-piano-controls .piano-follow-toggle,
  .main-piano-controls .piano-kbd-toggle {
    min-width: 74px;
  }

  .main-piano-controls .keyboard-layout-control {
    min-width: 86px;
  }

  .fx-detail {
    min-height: 54px;
    padding: 4px;
    gap: 3px;
  }

  .fx-detail strong,
  .fx-detail-meta span,
  .fx-detail-meta code {
    font-size: 10px;
  }

  .fx-detail small {
    font-size: 9px;
    line-height: 1.15;
  }

  .fx-ref-head,
  .fx-ref-row {
    grid-template-columns: 18px minmax(62px, 1fr) minmax(54px, 0.75fr) minmax(54px, 0.9fr);
    gap: 4px;
  }

  .fx-ref-row {
    padding: 3px;
  }

  .fx-ref-row strong {
    font-size: 12px;
  }

  .fx-ref-row span,
  .fx-ref-row code,
  .fx-ref-row small {
    font-size: 9px;
  }

  .pattern-table {
    min-width: 500px;
  }

  .pattern-table thead th {
    padding: 2px;
  }

  .pattern-table thead th small {
    font-size: 9px;
  }

  .pattern-table td {
    padding: 0 2px;
  }

  .cell-controls {
    grid-template-columns: 4ch 2ch 2ch 3ch;
    gap: 0.25ch;
    height: calc(var(--pattern-row-height) - 1px);
  }

  .cell-controls input,
  .cell-controls select {
    height: calc(var(--pattern-row-height) - 3px);
    min-height: 0;
    font-size: 11px;
    line-height: calc(var(--pattern-row-height) - 3px);
  }

  .order-row {
    grid-template-columns: 25px 1fr 1fr;
    gap: 2px;
    padding: 1px;
  }

  .order-row input {
    min-height: 18px;
  }

  .instrument-actions {
    gap: 2px;
    margin-bottom: 3px;
  }

  .instrument-actions button,
  .instrument-actions select,
  .arpeggio-file-actions button {
    min-height: 18px;
    padding: 0 2px;
    font-size: 9px;
  }

  .arpeggio-file-actions {
    gap: 2px;
  }

  .arpeggio-actions {
    gap: 3px;
  }

  .audition-arp-toggle,
  .piano-follow-toggle,
  .piano-kbd-toggle {
    min-height: 18px;
    padding: 0 3px;
    font-size: 9px;
  }

  .audition-arp-toggle input,
  .piano-follow-toggle input,
  .piano-kbd-toggle input {
    width: 13px;
    min-height: 13px;
  }

  .right-panel canvas {
    height: clamp(150px, 22vh, 200px);
    margin: 2px 0;
  }

  body.instrument-focus #instrumentCanvas {
    min-height: 260px;
  }

  body.instrument-focus .arpeggio-panel {
    grid-template-rows: auto auto auto minmax(150px, 1fr) auto;
  }

  body.instrument-focus #arpeggioCanvas {
    min-height: 150px;
  }

  .piano-keyboard {
    min-height: 58px;
    gap: 3px;
    padding: 3px;
  }

  .piano-octave,
  .piano-key.white {
    height: 49px;
  }

  .piano-key.black {
    height: 29px;
  }

  .step-grid,
  .arp-grid {
    gap: 2px;
    padding: 3px;
  }

  .step-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px;
  }

  .step-grid-section {
    grid-template-columns: 26px minmax(42px, 0.82fr) minmax(46px, 0.92fr) minmax(54px, 1fr);
    gap: 2px;
  }

  .step-grid .head,
  .arp-head,
  .arp-step {
    font-size: 9px;
  }

  .step-grid input,
  .arp-grid input {
    min-height: 16px;
    padding: 0 2px;
  }

  .step-grid .head,
  .inst-step-cell,
  .step-grid input[data-inst-field="tone"],
  .arp-head,
  .arp-step,
  .arp-grid input {
    min-height: 17px;
  }

  .mask-toggle {
    min-height: 15px;
    font-size: 8px;
  }

  .arp-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 3px;
  }

  .arp-grid-section {
    grid-template-columns: 22px minmax(36px, 1fr);
  }

  .registers {
    gap: 2px;
  }

  .register {
    min-width: 0;
    overflow: hidden;
    gap: 2px;
    padding: 1px 2px;
    font-size: 9px;
  }

  .register span {
    min-width: 0;
    overflow: hidden;
  }

}

@media (max-height: 700px) {
  .app {
    grid-template-rows: auto 20px minmax(0, 1fr);
  }

  .topbar {
    align-items: center;
  }

  .status-text {
    display: none;
  }

  .toolbar {
    max-height: 22px;
  }

  .transport-strip {
    grid-template-columns: minmax(124px, 136px) minmax(88px, 102px) minmax(0, 1fr);
  }

  .right-panel {
    grid-template-rows: minmax(0, 1fr);
  }

  .right-panel canvas {
    height: clamp(132px, 20vh, 165px);
  }

  .piano-keyboard {
    min-height: 48px;
  }

  .piano-octave,
  .piano-key.white {
    height: 40px;
  }

  .piano-key.black {
    height: 24px;
  }

  .fx-detail {
    min-height: 38px;
  }

  .fx-detail-meta {
    grid-template-columns: 1fr auto;
  }

  .fx-detail small {
    display: none;
  }

  .fx-ref-head {
    display: none;
  }

  .fx-ref-row {
    grid-template-columns: 18px minmax(78px, 1fr) minmax(58px, 0.85fr);
  }

  .fx-ref-row small {
    display: none;
  }
}

@media (max-width: 940px) {
  .app {
    padding: 6px;
    overflow: auto;
  }

  .topbar,
  .transport-strip,
  .workspace {
    display: grid;
    grid-template-columns: 1fr;
    overflow: auto;
  }

  .brand,
  .toolbar,
  .app-version {
    grid-column: 1;
  }

  .app-version {
    grid-row: 1;
    justify-self: end;
  }

  .brand {
    justify-self: start;
  }

  .toolbar {
    justify-self: stretch;
    justify-content: flex-start;
    max-width: 100%;
  }

  .transport-toast-slot {
    min-height: 28px;
  }

  body.instrument-focus .workspace {
    grid-template-columns: 1fr;
  }

  body.instrument-focus .right-panel {
    display: block;
    overflow: visible;
  }

  body.instrument-focus .instrument-panel {
    display: grid;
    grid-template-columns: 1fr;
  }

  .step-grid {
    grid-template-columns: minmax(260px, max-content);
  }

  body.instrument-focus .arpeggio-panel {
    display: grid;
    grid-template-columns: 1fr;
  }

  body.instrument-focus .instrument-panel .panel-head,
  body.instrument-focus .instrument-actions,
  body.instrument-focus .instrument-panel > .form-grid,
  body.instrument-focus #instrumentCanvas,
  body.instrument-focus .instrument-panel > .step-grid,
  body.instrument-focus #arpeggioCanvas,
  body.instrument-focus .arpeggio-file-actions,
  body.instrument-focus .arpeggio-panel > .arp-grid {
    grid-column: 1;
    grid-row: auto;
  }

  body {
    overflow: auto;
  }

  body.instrument-focus .right-panel {
    display: block;
    overflow: visible;
  }

  .side-panel {
    overflow: visible;
  }

  .panel,
  .main-panel {
    margin-bottom: 8px;
  }

  .pattern-table {
    min-width: 700px;
  }

  .tracker-body {
    grid-template-columns: 1fr;
  }

  .fx-reference-panel {
    min-height: 260px;
  }

}