:root {
  color-scheme: dark;
  --page: #071007;
  --chrome: #26341f;
  --chrome-hi: #43533a;
  --chrome-lo: #10190e;
  --chrome-text: #eff9cf;
  --button-bg: #142816;
  --button-text: #efffd1;
  --screen: #9bbc0f;
  --screen-soft: #8bac0f;
  --ink: #0f380f;
  --ink-mid: #295829;
  --ink-faint: rgba(15, 56, 15, 0.22);
  --active: #0f380f;
  --active-text: #b8d832;
  --focus: #f1ff8a;
}

html[data-theme="paper"] {
  color-scheme: light;
  --page: #d8d8d8;
  --chrome: #f1f1f1;
  --chrome-hi: #ffffff;
  --chrome-lo: #7b7b7b;
  --chrome-text: #050505;
  --button-bg: #050505;
  --button-text: #ffffff;
  --screen: #ffffff;
  --screen-soft: #e9e9e9;
  --ink: #050505;
  --ink-mid: #333333;
  --ink-faint: rgba(0, 0, 0, 0.18);
  --active: #050505;
  --active-text: #ffffff;
  --focus: #555555;
}

html[data-theme="invert"] {
  color-scheme: dark;
  --page: #000000;
  --chrome: #0b0b0b;
  --chrome-hi: #3a3a3a;
  --chrome-lo: #000000;
  --chrome-text: #ffffff;
  --button-bg: #ffffff;
  --button-text: #000000;
  --screen: #030303;
  --screen-soft: #111111;
  --ink: #ffffff;
  --ink-mid: #cfcfcf;
  --ink-faint: rgba(255, 255, 255, 0.22);
  --active: #ffffff;
  --active-text: #000000;
  --focus: #ffffff;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  min-width: 320px;
  background: var(--page);
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.025) 25%, transparent 25%) 0 0 / 12px 12px,
    var(--page);
  font-family: "Courier New", "Lucida Console", monospace;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}

button,
input,
select {
  font: inherit;
}

button,
select,
input[type="range"] {
  cursor: pointer;
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.app-shell {
  width: min(1580px, 100%);
  margin: 0 auto;
  padding: 20px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 66px;
  margin-bottom: 14px;
  padding: 10px 14px;
  color: var(--chrome-text);
  border: 2px solid var(--chrome-hi);
  border-right-color: var(--chrome-lo);
  border-bottom-color: var(--chrome-lo);
  background: var(--chrome);
  box-shadow: 7px 7px 0 var(--chrome-lo);
}

.brand {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 10px;
  color: inherit;
  font-size: 1.2rem;
  text-decoration: none;
  white-space: nowrap;
}

.brand small {
  padding: 3px 6px;
  color: var(--chrome);
  background: var(--chrome-text);
  font-size: 0.75rem;
}

.brand-mark {
  display: grid;
  grid-template-columns: repeat(2, 7px);
  gap: 3px;
}

.brand-mark i {
  width: 7px;
  height: 7px;
  background: currentColor;
}

.file-controls {
  display: flex;
  min-width: 0;
  align-items: end;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.theme-control {
  display: grid;
  gap: 4px;
  margin-right: 8px;
  color: var(--chrome-text);
  font-size: 0.8rem;
}

.theme-control select,
.text-button {
  min-height: 40px;
  padding: 8px 11px;
  color: var(--button-text);
  border: 2px solid var(--chrome-hi);
  border-right-color: var(--chrome-lo);
  border-bottom-color: var(--chrome-lo);
  border-radius: 0;
  background: var(--button-bg);
}

.text-button:disabled {
  cursor: wait;
  opacity: 0.65;
}

.text-button:active,
.export-button:active,
.play-button:active,
.stop-button:active,
.clear-channel:active,
.measure-toolbar button:active {
  transform: translate(2px, 2px);
}

.device {
  border: 3px solid var(--chrome-hi);
  border-right-color: var(--chrome-lo);
  border-bottom-color: var(--chrome-lo);
  background: var(--chrome);
  box-shadow: 12px 12px 0 var(--chrome-lo);
}

.screen {
  position: relative;
  isolation: isolate;
  margin: 20px;
  overflow: hidden;
  color: var(--ink);
  border: 6px solid var(--chrome-lo);
  background-color: var(--screen);
  background-image: radial-gradient(var(--ink-faint) 1.2px, transparent 1.2px);
  background-size: 5px 5px;
  box-shadow: inset 4px 4px 0 rgba(0, 0, 0, 0.22);
}

.screen-scan {
  position: absolute;
  z-index: 5;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(rgba(255, 255, 255, 0.02) 50%, rgba(0, 0, 0, 0.035) 50%);
  background-size: 100% 4px;
  mix-blend-mode: multiply;
}

.song-strip,
.transport-panel,
.workspace {
  position: relative;
  z-index: 1;
}

.song-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 60px;
  padding: 10px 14px;
  border-bottom: 3px solid var(--ink);
  background: var(--screen-soft);
}

.song-name {
  display: flex;
  flex: 1 1 auto;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.song-name span {
  padding: 5px 7px;
  color: var(--active-text);
  background: var(--active);
  font-size: 0.82rem;
}

.song-name input {
  width: min(340px, 45vw);
  padding: 7px 4px;
  color: var(--ink);
  border: 0;
  border-bottom: 2px solid var(--ink);
  border-radius: 0;
  background: transparent;
  font-size: 1.05rem;
  text-transform: uppercase;
}

.screen-status {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  white-space: nowrap;
}

.status-pip {
  width: 11px;
  height: 11px;
  border: 2px solid var(--ink);
}

.status-pip.on {
  background: var(--ink);
  box-shadow: 0 0 0 3px var(--ink-faint);
}

.transport-panel {
  display: grid;
  grid-template-columns: auto repeat(3, minmax(150px, 1fr));
  gap: 16px;
  align-items: center;
  padding: 14px;
  border-bottom: 3px solid var(--ink);
  background: color-mix(in srgb, var(--screen) 88%, transparent);
}

.transport-buttons {
  display: flex;
  gap: 8px;
}

.play-button,
.stop-button,
.clear-channel {
  min-height: 44px;
  padding: 9px 13px;
  color: var(--active-text);
  border: 2px solid var(--ink);
  border-right-width: 4px;
  border-bottom-width: 4px;
  border-radius: 0;
  background: var(--active);
}

.stop-button {
  color: var(--ink);
  background: var(--screen);
}

.meter-control {
  display: grid;
  gap: 7px;
}

.meter-control > span,
.dmg-control > span,
.routing-row > span {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.85rem;
}

output {
  min-width: 52px;
  text-align: right;
}

input[type="range"] {
  width: 100%;
  height: 18px;
  margin: 0;
  appearance: none;
  border: 2px solid var(--ink);
  border-radius: 0;
  background: repeating-linear-gradient(90deg, var(--ink) 0 2px, transparent 2px 8px);
}

input[type="range"]::-webkit-slider-thumb {
  width: 15px;
  height: 24px;
  appearance: none;
  border: 2px solid var(--ink);
  border-radius: 0;
  background: var(--screen);
  box-shadow: 2px 2px 0 var(--ink);
}

input[type="range"]::-moz-range-thumb {
  width: 15px;
  height: 24px;
  border: 2px solid var(--ink);
  border-radius: 0;
  background: var(--screen);
  box-shadow: 2px 2px 0 var(--ink);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 350px;
  min-height: 650px;
}

.tracker-panel {
  min-width: 0;
  border-right: 3px solid var(--ink);
}

.channel-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 3px solid var(--ink);
}

.channel-tab {
  min-height: 58px;
  padding: 8px 10px;
  color: var(--ink);
  border: 0;
  border-right: 2px solid var(--ink);
  border-radius: 0;
  background: var(--screen-soft);
  font-size: 0.82rem;
  text-align: left;
}

.channel-tab:last-child {
  border-right: 0;
}

.channel-tab span,
.channel-tab small {
  display: inline-block;
  padding: 2px 4px;
  font-size: 0.75rem;
}

.channel-tab span {
  color: var(--active-text);
  background: var(--active);
}

.channel-tab small {
  float: right;
}

.channel-tab.active {
  color: var(--active-text);
  background: var(--active);
}

.channel-tab.active span {
  color: var(--active);
  background: var(--active-text);
}

.measure-toolbar {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 54px;
  padding: 7px 10px;
  border-bottom: 2px solid var(--ink);
  background: color-mix(in srgb, var(--screen) 88%, transparent);
}

.measure-toolbar button {
  min-height: 38px;
  padding: 7px 9px;
  color: var(--ink);
  border: 2px solid var(--ink);
  border-radius: 0;
  background: var(--screen);
  font-size: 0.78rem;
}

.measure-toolbar strong {
  min-width: 146px;
  font-size: 0.86rem;
  text-align: center;
}

.measure-divider {
  width: 2px;
  height: 30px;
  margin: 0 3px;
  background: var(--ink);
}

.measure-map {
  display: flex;
  gap: 5px;
  min-height: 41px;
  padding: 7px 10px;
  overflow-x: auto;
  border-bottom: 2px solid var(--ink);
  background: var(--screen-soft);
}

.measure-dot {
  flex: 0 0 30px;
  min-height: 26px;
  padding: 2px;
  color: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 0;
  background: var(--screen);
  font-size: 0.72rem;
}

.measure-dot.has-notes::after {
  content: "·";
  margin-left: 1px;
}

.measure-dot.active {
  color: var(--active-text);
  background: var(--active);
}

.grid-scroller {
  max-height: 650px;
  overflow: auto;
  overscroll-behavior-inline: contain;
  overscroll-behavior-block: contain;
  scrollbar-color: var(--ink) var(--screen-soft);
  scrollbar-width: thin;
}

.sequencer-grid {
  display: grid;
  grid-template-columns: 76px repeat(16, minmax(34px, 1fr));
  min-width: 680px;
}

.grid-label,
.step-number,
.note-cell {
  min-height: 36px;
  border: 0;
  border-right: 1px solid var(--ink-faint);
  border-bottom: 1px solid var(--ink-faint);
  border-radius: 0;
}

.grid-label,
.step-number {
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--screen-soft) 84%, transparent);
  font-size: 0.75rem;
}

.grid-label {
  position: sticky;
  z-index: 2;
  left: 0;
  justify-items: start;
  padding-left: 10px;
  border-right: 2px solid var(--ink);
}

.grid-label.header {
  z-index: 4;
  top: 0;
}

.step-number {
  position: sticky;
  z-index: 3;
  top: 0;
}

.step-number.current,
.grid-label.current {
  color: var(--active-text);
  background: var(--active);
}

.note-cell {
  position: relative;
  min-width: 34px;
  color: var(--ink);
  background: color-mix(in srgb, var(--screen) 82%, transparent);
}

.note-cell.quarter {
  border-left: 2px solid var(--ink);
}

.note-cell::after {
  position: absolute;
  inset: 8px;
  content: "";
  border: 1px solid var(--ink-faint);
}

.note-cell.active {
  background: var(--active);
}

.note-cell.active::after {
  border-color: var(--active-text);
  background: var(--active-text);
  box-shadow: inset 0 0 0 3px var(--active);
}

.note-cell.current {
  box-shadow: inset 0 0 0 3px var(--ink);
}

.grid-help {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px;
  font-size: 0.75rem;
}

.vgm-editor {
  display: grid;
  gap: 14px;
  padding: 14px;
}

.vgm-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  padding: 12px;
  border: 2px solid var(--ink);
  background: color-mix(in srgb, var(--screen-soft) 82%, transparent);
}

.vgm-heading > div:first-child {
  display: grid;
  min-width: 0;
  gap: 5px;
}

.editor-kicker,
.vgm-heading small {
  color: var(--ink-mid);
  font-size: 0.72rem;
}

.vgm-heading strong {
  max-width: 46ch;
  font-size: 1.05rem;
  overflow-wrap: anywhere;
}

.vgm-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(90px, 1fr));
  gap: 8px;
  margin: 0;
}

.vgm-stats div {
  display: grid;
  gap: 3px;
  padding: 7px;
  border-left: 2px solid var(--ink);
}

.vgm-stats dt {
  color: var(--ink-mid);
  font-size: 0.68rem;
}

.vgm-stats dd {
  margin: 0;
  font-size: 0.78rem;
  white-space: nowrap;
}

.timeline-key {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 4px;
  color: var(--ink-mid);
  font-size: 0.67rem;
}

.timeline-key span {
  padding-left: 5px;
  border-left: 5px solid var(--ink);
}

.timeline-key span:nth-child(2) { border-left-width: 4px; }
.timeline-key span:nth-child(3) { border-left-width: 3px; }
.timeline-key span:nth-child(4) { border-left-width: 2px; }
.timeline-key span:nth-child(5) { border-left-style: dotted; }

.timeline-shell {
  min-width: 0;
  padding: 7px;
  border: 3px solid var(--ink);
  background: var(--screen);
}

#vgmTimelineCanvas {
  display: block;
  width: 100%;
  height: 300px;
  background: var(--screen);
  image-rendering: pixelated;
  touch-action: manipulation;
  cursor: crosshair;
}

.vgm-event-editor {
  display: grid;
  gap: 12px;
  padding: 12px;
  border: 2px solid var(--ink);
  background: color-mix(in srgb, var(--screen-soft) 82%, transparent);
}

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

.event-readouts > span {
  display: grid;
  gap: 4px;
  min-width: 0;
  padding: 8px;
  border: 1px solid var(--ink);
  background: var(--screen);
  font-size: 0.72rem;
}

.event-readouts output {
  overflow: hidden;
  color: var(--ink);
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.event-value-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.event-value-row label {
  display: grid;
  gap: 5px;
  color: var(--ink-mid);
  font-size: 0.7rem;
}

.event-value-row input,
.event-value-row button {
  min-height: 40px;
  padding: 7px 9px;
  color: var(--ink);
  border: 2px solid var(--ink);
  border-radius: 0;
  background: var(--screen);
}

.vgm-event-editor p {
  margin: 0;
  color: var(--ink-mid);
  font-size: 0.7rem;
  line-height: 1.4;
}

.vgm-channel-summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
}

.vgm-channel-summary div {
  display: grid;
  gap: 3px;
  padding: 8px;
  border: 1px solid var(--ink);
  background: var(--screen);
}

.vgm-channel-summary span {
  color: var(--ink-mid);
  font-size: 0.68rem;
}

.vgm-channel-summary strong {
  font-size: 0.86rem;
}

.import-note {
  margin: 0;
  color: var(--ink-mid);
  font-size: 0.72rem;
  line-height: 1.45;
  text-transform: none;
}

.sound-panel {
  display: flex;
  flex-direction: column;
  gap: 13px;
  padding: 16px;
  background: color-mix(in srgb, var(--screen-soft) 88%, transparent);
}

.panel-title {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 11px;
  border-bottom: 2px solid var(--ink);
}

.panel-title > span {
  padding: 5px 7px;
  color: var(--active-text);
  background: var(--active);
  font-size: 0.82rem;
}

.panel-title div {
  display: grid;
  gap: 2px;
}

.panel-title small {
  color: var(--ink-mid);
  font-size: 0.75rem;
}

.apu-note {
  margin: 0;
  color: var(--ink-mid);
  font-size: 0.79rem;
  line-height: 1.45;
  text-transform: none;
}

.instrument-controls {
  display: grid;
  gap: 12px;
}

.register-block {
  display: grid;
  gap: 11px;
  padding: 11px;
  border: 2px solid var(--ink);
  background: color-mix(in srgb, var(--screen) 82%, transparent);
}

.register-title {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding-bottom: 7px;
  border-bottom: 1px solid var(--ink);
  font-size: 0.78rem;
}

.register-title span:last-child {
  color: var(--ink-mid);
}

.control-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 11px;
}

.dmg-control,
.routing-row {
  display: grid;
  gap: 7px;
  min-width: 0;
}

.dmg-control select,
.routing-row select {
  width: 100%;
  min-height: 40px;
  padding: 7px 8px;
  color: var(--ink);
  border: 2px solid var(--ink);
  border-radius: 0;
  background: var(--screen);
  font-size: 0.82rem;
}

.wave-ram-section {
  display: grid;
  gap: 8px;
}

.wave-editor {
  display: grid;
  grid-template-columns: repeat(32, 1fr);
  align-items: end;
  height: 116px;
  padding: 5px;
  border: 2px solid var(--ink);
  background:
    repeating-linear-gradient(0deg, transparent 0 6px, var(--ink-faint) 6px 7px),
    var(--screen);
  touch-action: none;
  user-select: none;
}

.wave-sample {
  position: relative;
  align-self: stretch;
  min-width: 0;
  padding: 0;
  border: 0;
  border-right: 1px solid var(--ink-faint);
  border-radius: 0;
  background: transparent;
}

.wave-sample span {
  position: absolute;
  right: 1px;
  bottom: 0;
  left: 1px;
  min-height: 3px;
  background: var(--ink);
}

.wave-presets {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 5px;
}

.wave-presets button {
  min-height: 34px;
  padding: 5px;
  color: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 0;
  background: var(--screen);
  font-size: 0.7rem;
}

.channel-actions {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 10px;
  margin-top: auto;
}

.mute-row {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 0.8rem;
  cursor: pointer;
}

.mute-row input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.mute-row span {
  width: 22px;
  height: 22px;
  border: 2px solid var(--ink);
}

.mute-row input:checked + span {
  background: var(--ink);
  box-shadow: inset 0 0 0 4px var(--screen-soft);
}

.mute-row input:focus-visible + span {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.clear-channel {
  padding-inline: 9px;
  font-size: 0.72rem;
}

.memory-box {
  display: grid;
  gap: 6px;
  padding-top: 11px;
  border-top: 2px solid var(--ink);
  font-size: 0.75rem;
}

.memory-box strong {
  font-size: 0.82rem;
}

.memory-box > div {
  height: 12px;
  border: 2px solid var(--ink);
}

.memory-box i {
  display: block;
  width: 0;
  height: 100%;
  background: var(--ink);
}

.bottom-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 20px 20px;
  color: var(--chrome-text);
}

.device-label {
  display: grid;
  gap: 5px;
  font-size: 0.8rem;
}

.device-label strong {
  font-size: 1rem;
}

.export-button {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 58px;
  padding: 9px 17px;
  color: var(--button-text);
  border: 2px solid var(--chrome-hi);
  border-right: 5px solid var(--chrome-lo);
  border-bottom: 5px solid var(--chrome-lo);
  border-radius: 0;
  background: var(--button-bg);
  text-align: left;
}

.export-button:disabled {
  cursor: wait;
  opacity: 0.65;
}

.export-button small,
.export-button span span {
  display: block;
}

.export-button small {
  margin-bottom: 2px;
  font-size: 0.72rem;
  opacity: 0.8;
}

.download-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 2px solid currentColor;
  font-size: 1.35rem;
}

.privacy-note {
  margin: 20px 0 0;
  color: var(--chrome-text);
  font-size: 0.78rem;
  text-align: center;
}

.toast {
  position: fixed;
  z-index: 20;
  right: 24px;
  bottom: 24px;
  max-width: min(420px, calc(100vw - 48px));
  padding: 13px 16px;
  color: var(--active-text);
  border: 3px solid var(--screen);
  background: var(--active);
  box-shadow: 6px 6px 0 var(--chrome-lo);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 120ms steps(2), transform 120ms steps(2);
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1180px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .tracker-panel {
    border-right: 0;
    border-bottom: 3px solid var(--ink);
  }

  .sound-panel {
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    align-items: start;
  }

  .instrument-controls {
    grid-column: 2;
    grid-row: 1 / span 4;
  }

  .channel-actions,
  .memory-box {
    grid-column: 1;
  }
}

@media (max-width: 900px) {
  .topbar {
    display: grid;
    align-items: flex-start;
  }

  .file-controls {
    width: 100%;
    justify-content: flex-start;
  }

  .transport-panel {
    grid-template-columns: 1fr 1fr;
  }

  .measure-toolbar {
    flex-wrap: wrap;
  }
}

@media (max-width: 720px) {
  .app-shell {
    padding: max(8px, env(safe-area-inset-top)) max(8px, env(safe-area-inset-right)) max(8px, env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-left));
  }

  .topbar {
    display: grid;
    gap: 10px;
    margin-bottom: 10px;
    padding: 10px;
    box-shadow: 5px 5px 0 var(--chrome-lo);
  }

  .file-controls {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .theme-control {
    grid-column: 1 / -1;
    width: 100%;
    margin: 0;
  }

  .theme-control select,
  .text-button {
    width: 100%;
    min-height: 44px;
  }

  #loadButton {
    grid-column: 1 / -1;
  }

  .device {
    box-shadow: 7px 7px 0 var(--chrome-lo);
  }

  .screen {
    margin: 8px;
    border-width: 4px;
  }

  .song-strip {
    flex-direction: column;
    align-items: flex-start;
    gap: 9px;
    padding: 10px;
  }

  .song-name {
    display: grid;
    width: 100%;
  }

  .song-name input {
    width: 100%;
  }

  .screen-status {
    width: 100%;
    line-height: 1.35;
    white-space: normal;
  }

  .transport-panel {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 10px;
  }

  .transport-buttons > button {
    flex: 1;
  }

  .channel-tab {
    min-height: 50px;
    padding: 6px;
    font-size: 0;
    text-align: center;
  }

  .channel-tab span {
    font-size: 0.78rem;
  }

  .channel-tab small {
    display: none;
  }

  .measure-toolbar strong {
    flex: 1;
  }

  .measure-divider {
    display: none;
  }

  .measure-toolbar button:nth-of-type(n + 3) {
    flex: 1;
  }

  .measure-toolbar {
    gap: 6px;
    padding: 7px;
  }

  .measure-toolbar button {
    min-height: 44px;
  }

  .measure-map {
    padding: 7px;
  }

  .grid-scroller {
    max-height: min(580px, 62vh);
  }

  .grid-help {
    display: grid;
    padding: 9px;
  }

  .grid-help span:last-child {
    display: none;
  }

  .vgm-editor {
    gap: 10px;
    padding: 8px;
  }

  .vgm-heading {
    align-items: stretch;
    flex-direction: column;
    gap: 10px;
    padding: 9px;
  }

  .vgm-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 5px;
  }

  .vgm-stats div {
    min-width: 0;
    padding: 6px;
  }

  .vgm-stats dd {
    overflow: hidden;
    font-size: 0.72rem;
    text-overflow: ellipsis;
  }

  .event-readouts {
    grid-template-columns: 1fr;
  }

  .timeline-key {
    grid-template-columns: 1fr 1fr;
  }

  #vgmTimelineCanvas {
    height: 230px;
  }

  .timeline-shell {
    padding: 4px;
    border-width: 2px;
  }

  .vgm-event-editor {
    gap: 10px;
    padding: 9px;
  }

  .sound-panel {
    display: flex;
    gap: 11px;
    padding: 12px;
  }

  .instrument-controls,
  .channel-actions,
  .memory-box {
    grid-column: auto;
  }

  .bottom-panel {
    align-items: stretch;
    flex-direction: column;
    gap: 12px;
    padding: 14px;
  }

  .export-button {
    justify-content: center;
  }

  .privacy-note {
    margin-top: 14px;
    padding-inline: 8px;
    line-height: 1.45;
  }

  .toast {
    right: 12px;
    bottom: max(12px, env(safe-area-inset-bottom));
    left: 12px;
    max-width: none;
  }
}

@media (max-width: 430px) {
  body {
    letter-spacing: 0.02em;
  }

  .app-shell {
    padding: max(6px, env(safe-area-inset-top)) max(6px, env(safe-area-inset-right)) max(6px, env(safe-area-inset-bottom)) max(6px, env(safe-area-inset-left));
  }

  .brand {
    gap: 8px;
    font-size: 1.05rem;
  }

  .screen {
    margin: 6px;
    border-width: 3px;
  }

  .vgm-stats,
  .control-grid {
    grid-template-columns: 1fr;
  }

  .channel-actions {
    grid-template-columns: 1fr;
  }

  .event-value-row,
  .vgm-channel-summary {
    grid-template-columns: 1fr;
  }

  #vgmTimelineCanvas {
    height: 210px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}