/* Player component --------------------------------------------------------
   Canonical, mobile-first layout and modal system for the practice player.
   Theme files provide tokens and colours; this file owns player geometry. */

.app-shell {
  box-sizing: border-box;
  width: 100%;
  max-width: 1920px;
  padding-inline: clamp(10px, 2.2vw, 40px);
}
.player {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas: "topline" "progress" "options";
  align-content: start;
  box-sizing: border-box;
  width: 100%;
  height: auto;
  min-width: 0;
  min-height: 0;
  margin: 0 0 22px;
  padding: 43px 10px 10px;
  gap: 7px;
  overflow: visible;
}
.player.player-modal-open {
  z-index: 100;
}
.player.key-open{z-index:100}
.player.metronome-open {
  z-index: 100;
}
.player::before {
  content: "LIVE BACKING MACHINE";
  position: absolute;
  inset: 0 0 auto;
  box-sizing: border-box;
  height: 34px;
  padding: 0 13px;
  border: 0;
  border-radius: 15px 15px 0 0;
  background: var(--mem-yellow);
  box-shadow: inset 0 -3px 0 var(--mem-ink);
  color: var(--mem-ink);
  font: 850 11px/34px var(--mem-display);
  letter-spacing: .08em;
}
.player::after {
  display: none;
  content: none;
}
.player > .player-topline {
  grid-area: topline;
  display: grid;
  grid-template-columns: 91px minmax(110px, 1fr) 42px;
  align-items: center;
  min-width: 0;
  gap: 7px;
}
.player-topline > .player-primary {
  display: grid;
  grid-template-columns: 42px 42px;
  align-items: center;
  min-width: 0;
  gap: 6px;
}
.player .play-button,
.player.playing .play-button,
.player .secondary-button {
  display: grid;
  box-sizing: border-box;
  width: 42px;
  min-width: 42px;
  height: 42px;
  min-height: 42px;
  padding: 0;
  place-items: center;
  box-shadow: none;
  transform: none;
}
.player .play-button {
  border: 2px solid var(--mem-paper);
  border-radius: 10px;
}
.player .play-button span:last-child {
  display: none;
}
.player .play-button .play-icon {
  display: grid;
  width: 18px;
  height: 22px;
  place-items: center;
  font-size: 15px;
  line-height: 1;
}
.player .play-button .play-icon svg {
  display: block;
  width: 100%;
  height: 100%;
}
.player .secondary-button {
  border-width: 2px;
  font-size: 20px;
}
.player-topline > .groove-picker-control {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-rows: auto auto;
  align-content: center;
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
  min-height: 44px;
  padding: 5px 10px;
  gap: 1px 8px;
  border: 0;
  border-radius: 10px;
  box-shadow: none;
  transform: none;
  text-align: left;
}
.player-topline > .groove-picker-control span {
  overflow: hidden;
  color: var(--mem-secondary);
  font-size: 9px;
  font-weight: 850;
  line-height: 1.1;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.player-topline > .groove-picker-control strong {
  min-width: 0;
  overflow: hidden;
  color: var(--mem-ink);
  font: 850 15px/1.15 var(--mem-display);
  text-overflow: ellipsis;
  white-space: nowrap;
}
.player-topline > .groove-picker-control i {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  font-size: 16px;
  font-style: normal;
}
.player > .progress-control {
  grid-area: progress;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-rows: auto auto;
  align-content: center;
  box-sizing: border-box;
  min-width: 0;
  min-height: 64px;
  padding: 8px 10px;
  gap: 6px 9px;
  border: 1px solid rgba(255, 253, 245, .38);
  border-radius: 10px;
  background: rgba(255, 253, 245, .055);
}
.player > .progress-control::before {
  content: none;
}
.player .progress-control > .transport {
  display: flex;
  grid-column: 1 / -1;
  align-items: baseline;
  min-width: 0;
  margin: 0;
  padding: 0;
  gap: 7px;
  border: 0;
  background: transparent;
}
.player .progress-control .transport span:first-child {
  flex: 0 1 auto;
  min-width: 0;
  overflow: hidden;
  color: var(--mem-paper);
  font: 850 13px/1.2 var(--mem-display);
  text-overflow: ellipsis;
  white-space: nowrap;
}
.player .progress-control .transport span:last-child {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  color: var(--mem-mint);
  font: 800 10px/1.2 var(--mem-body);
  text-overflow: ellipsis;
  white-space: nowrap;
}
.player .progress-control input {
  grid-column: 1;
  grid-row: 2;
  width: 100%;
  min-width: 0;
  margin: 0;
}
.player .progress-control output {
  grid-column: 2;
  grid-row: 2;
  min-width: 52px;
  padding: 0;
  color: var(--mem-yellow);
  font: 850 12px/1 var(--mem-data);
  text-align: right;
  white-space: nowrap;
}
.player > .player-options {
  grid-area: options;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  grid-auto-rows: 44px;
  align-content: stretch;
  min-width: 0;
  gap: 5px;
}
.player .key-settings{position:relative;min-width:0}
.player .key-control{border:0;border-radius:9px;background:var(--mem-paper);color:var(--mem-ink);cursor:pointer}
.player .key-control:disabled{cursor:default;opacity:1}
.generated-midi-active .player .key-control{background:var(--mem-paper);color:var(--mem-ink);cursor:pointer}
.player .key-popover{position:absolute;z-index:110;top:calc(100% + 8px);left:0;display:grid;grid-template-columns:repeat(4,44px);gap:6px;width:max-content;padding:10px;border:2px solid var(--mem-ink);border-radius:12px;background:var(--mem-paper);box-shadow:0 12px 30px rgba(24,49,83,.22)}
.player .key-popover[hidden]{display:none}
.player .key-popover button{min-width:44px;min-height:44px;border:2px solid var(--mem-ink);border-radius:8px;background:var(--mem-paper);color:var(--mem-ink);font:850 13px/1 var(--mem-data);cursor:pointer}
.player .key-popover button.active{background:var(--mem-yellow)}
.groove-backing-choice mark{display:inline-block;margin-right:8px;padding:2px 6px;border-radius:999px;background:var(--mem-yellow);color:var(--mem-ink);font:850 9px/1 var(--mem-body)}

.arrangement-user-tools{display:flex;align-items:center;justify-content:flex-end;gap:10px;flex-wrap:wrap}
.midi-edit-entry{min-height:44px;padding:8px 14px;border:2px solid var(--mem-ink);border-radius:9px;background:var(--mem-yellow);color:var(--mem-ink);font:850 12px/1 var(--mem-body);cursor:pointer;box-shadow:3px 3px 0 var(--mem-ink)}
.midi-edit-entry[aria-expanded="true"]{background:var(--mem-paper);box-shadow:none}
.midi-sequence-toggle[aria-expanded="true"]{background:var(--mem-sky)}
.backing-source-badge{padding:6px 9px;border:2px solid var(--mem-ink);border-radius:999px;background:var(--mem-sky);color:var(--mem-ink);font:850 11px/1 var(--mem-body)}
.generated-midi-active .timeline .bar{cursor:pointer}
.generated-midi-active .timeline .bar:hover{outline:3px solid var(--mem-ink);outline-offset:2px}
body.generated-midi-active #mixerHeading:not([hidden]){display:flex!important}
body.generated-midi-active #mixerPanel:not([hidden]){display:block!important}
.generated-midi-active .mixer-table-head,.generated-midi-active .mixer-channel{grid-template-columns:minmax(190px,1.2fr) 48px 48px minmax(150px,1fr) minmax(150px,1fr)}
.generated-midi-active .track-settings,.generated-midi-active .drum-submixer,.generated-midi-active .guitar-submixer{display:none!important}
.generated-midi-active .mixer-channel>button{position:relative;isolation:isolate;display:grid;place-items:center;width:36px;height:36px;padding:0;border:0;background:transparent;font:900 12px/1 var(--mem-data);cursor:pointer}
.generated-midi-active .mixer-channel>button::before{content:"";position:absolute;z-index:-1;inset:3px;border:2px solid var(--mem-ink);border-radius:8px;background:var(--mem-paper);transition:background-color .15s ease-out,transform .15s ease-out}
.generated-midi-active .mixer-channel>button[data-mute]::before{background:#ffd1cb}
.generated-midi-active .mixer-channel>button[data-solo]::before{background:#fff0a8}
.generated-midi-active .mixer-channel>button[data-mute].active,.generated-midi-active .mixer-channel>button[data-solo].active{background:transparent}
.generated-midi-active .mixer-channel>button[data-mute].active::before{background:var(--mem-coral)}
.generated-midi-active .mixer-channel>button[data-solo].active::before{background:var(--mem-yellow)}
.generated-midi-active .mixer-channel>button:active::before{transform:translateY(1px)}
.generated-midi-active .channel-slider{grid-column:4}
.generated-midi-active .pan-slider{display:grid!important;grid-column:5}
.generated-midi-active .player .key-control{cursor:pointer}

.midi-sequence-editor{margin:0 0 16px;padding:14px 0;border:0;border-bottom:2px solid var(--mem-ink);border-radius:0;background:transparent}
.midi-sequence-editor>header{display:flex;align-items:start;justify-content:space-between;gap:18px}
.midi-sequence-editor header span{font:850 9px/1 var(--mem-body);letter-spacing:.09em}
.midi-sequence-editor h3{margin:4px 0;font:900 20px/1.1 var(--mem-display)}
.midi-sequence-editor header p{margin:0;color:var(--mem-secondary);font:700 11px/1.4 var(--mem-body)}
.midi-sequence-editor header output{padding:7px 9px;border-radius:8px;background:var(--mem-ink);color:var(--mem-paper);font:800 10px/1.2 var(--mem-data);white-space:nowrap}
.midi-sequence-track{display:flex;align-items:stretch;gap:7px;margin-top:12px;padding:4px 2px 10px;overflow-x:auto;scrollbar-width:thin}
.midi-sequence-item,.midi-sequence-fixed{display:grid;flex:0 0 auto;min-width:112px;min-height:56px;align-content:center;padding:8px 10px;border:2px solid var(--mem-ink);border-radius:9px;background:var(--mem-paper);color:var(--mem-ink);text-align:left}
.midi-sequence-fixed{background:var(--mem-sky)}
.midi-sequence-fixed.ending{background:var(--mem-coral);color:var(--mem-ink)}
.midi-sequence-item{cursor:pointer}
.midi-sequence-item.selected{background:var(--mem-yellow);box-shadow:3px 3px 0 var(--mem-ink)}
.midi-sequence-item.playing{outline:3px solid var(--mem-coral);outline-offset:2px}
.midi-sequence-item b,.midi-sequence-fixed b{font:900 13px/1.1 var(--mem-display)}
.midi-sequence-item small,.midi-sequence-fixed small{margin-top:4px;font:750 9px/1.2 var(--mem-body)}
.midi-sequence-toolbar{display:flex;align-items:stretch;gap:6px;flex-wrap:wrap;padding-top:10px;border-top:1px dashed rgba(24,49,83,.4)}
.midi-sequence-toolbar button,.midi-sequence-toolbar label{min-height:44px;border:2px solid var(--mem-ink);border-radius:8px;background:var(--mem-paper);color:var(--mem-ink);font:850 11px/1 var(--mem-body)}
.midi-sequence-toolbar button{padding:8px 12px;cursor:pointer}
.midi-sequence-toolbar button:disabled{cursor:default;opacity:.38}
.midi-sequence-toolbar label{display:flex;align-items:center;padding-left:10px;gap:8px}
.midi-sequence-toolbar select{height:100%;min-height:38px;border:0;border-left:1px solid rgba(24,49,83,.35);background:transparent;padding:0 8px;color:var(--mem-ink);font-weight:800}
.midi-sequence-toolbar .midi-sequence-add{background:var(--mem-yellow)}
.midi-save-button{min-height:44px;padding:8px 13px;border:2px solid var(--mem-ink);border-radius:9px;background:var(--mem-yellow);color:var(--mem-ink);font:850 13px/1 var(--mem-body);cursor:pointer}
.midi-save-status{flex-basis:100%;min-height:0;color:var(--mem-secondary);font:750 10px/1.3 var(--mem-body);text-align:right}

body.generated-midi-arrangement-editing #playerWindow{display:none!important}
body.generated-midi-arrangement-editing .arrangement-user-tools{justify-content:flex-end}
.midi-preview-transport{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:10px;margin-top:10px;padding:9px;border:2px solid var(--mem-ink);border-radius:9px;background:var(--mem-sky)}
.midi-preview-transport[hidden]{display:none}
.midi-preview-transport>button{display:flex;min-width:78px;min-height:44px;align-items:center;justify-content:center;gap:7px;padding:7px 11px;border:2px solid var(--mem-ink);border-radius:8px;background:var(--mem-yellow);color:var(--mem-ink);font:850 11px/1 var(--mem-body);cursor:pointer}
.midi-preview-transport>button span{font-size:16px}
.midi-preview-transport>label{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:5px 9px;min-width:0}
.midi-preview-transport>label>span{grid-column:1/-1;overflow:hidden;color:var(--mem-ink);font:800 10px/1.2 var(--mem-body);text-overflow:ellipsis;white-space:nowrap}
.midi-preview-transport input{width:100%;min-width:0;margin:0}
.midi-preview-transport output{min-width:58px;font:850 11px/1 var(--mem-data);text-align:right;white-space:nowrap}

.midi-inline-chord-editor{margin-top:14px;padding:14px 0 2px;border-top:2px solid var(--mem-ink);color:var(--mem-ink)}
.midi-inline-chord-editor>header{display:flex;align-items:flex-end;justify-content:space-between;gap:16px}
.midi-inline-chord-editor header span{font:850 9px/1 var(--mem-body);letter-spacing:.08em}
.midi-inline-chord-editor h3{margin:4px 0 0;font:900 21px/1.1 var(--mem-display)}
.midi-inline-chord-editor header small{display:block;margin-top:4px;color:var(--mem-secondary);font:700 10px/1.4 var(--mem-body)}
.midi-inline-chord-editor>header output{font:900 34px/1 var(--mem-display)}
.midi-chord-builder-head{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-top:12px}
.midi-chord-builder-head>strong{font:900 14px/1.2 var(--mem-display)}
.midi-chord-builder-head label{display:grid;gap:4px;color:var(--mem-secondary);font:800 9px/1 var(--mem-body)}
.midi-chord-builder-head select{min-height:36px;padding:5px 28px 5px 8px;border:1.5px solid var(--mem-ink);border-radius:7px;background:var(--mem-paper);color:var(--mem-ink);font-weight:800}
#midiChordBassField[hidden]{display:none!important}
.midi-chord-quick{display:flex;flex-wrap:wrap;gap:5px;margin-top:12px}
.midi-chord-quick::before{content:'常用和弦';align-self:center;margin-right:4px;color:var(--mem-secondary);font:800 9px/1 var(--mem-body)}
.midi-chord-quick button{min-height:36px;padding:6px 9px;border:1.5px solid var(--mem-ink);border-radius:7px;background:var(--mem-paper);color:var(--mem-ink);font:850 11px/1 var(--mem-body);cursor:pointer}
.midi-beat-chords{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.midi-beat-chords label{display:grid;gap:6px;font:850 11px/1 var(--mem-body)}
.midi-beat-chords input{box-sizing:border-box;width:100%;min-height:48px;padding:8px;border:2px solid var(--mem-ink);border-radius:8px;background:#fff;color:var(--mem-ink);font:850 17px/1 var(--mem-data);text-align:center}
.midi-beat-chords label.selected{color:var(--mem-focus)}.midi-beat-chords label.selected input{border-color:var(--mem-focus);box-shadow:0 0 0 3px rgba(32,79,194,.15)}
#midiChordEditMessage{display:block;min-height:20px;margin-top:8px;color:#315e4e;font:750 11px/1.4 var(--mem-body)}
.midi-beat-toggle{display:flex;align-items:center;gap:10px;margin:8px 0}.midi-beat-toggle button{min-height:40px;padding:7px 10px;border:1.5px solid var(--mem-ink);border-radius:7px;background:var(--mem-paper);color:var(--mem-ink);font-weight:850;cursor:pointer}.midi-beat-toggle span{color:var(--mem-secondary);font:700 10px/1.4 var(--mem-body)}
.midi-sequence-editor{margin:10px 0;padding:8px 0}
.midi-sequence-track{align-items:center;margin:0;padding:2px 2px 7px;gap:5px}
.midi-sequence-track>i{color:var(--mem-secondary);font:900 12px/1 var(--mem-body)}
.midi-sequence-item,.midi-sequence-fixed{display:flex;min-width:auto;min-height:38px;padding:6px 10px;align-items:center;border-radius:7px}
.midi-sequence-item b,.midi-sequence-fixed b{font-size:12px}
.midi-sequence-item small,.midi-sequence-fixed small{display:none}
.midi-sequence-toolbar{position:relative;display:flex;flex-wrap:nowrap;padding-top:7px;gap:5px;overflow-x:auto}
.midi-sequence-toolbar button{flex:0 0 auto;min-height:36px;padding:6px 10px;border-width:1.5px;font-size:10px}
.midi-sequence-toolbar .midi-save-status{align-self:center;flex:1 0 150px;text-align:right}
.midi-sequence-add-menu{display:flex;gap:5px;padding:7px 0 0}
.midi-sequence-add-menu[hidden]{display:none}
.midi-sequence-add-menu button{min-height:36px;padding:6px 10px;border:1.5px solid var(--mem-ink);border-radius:7px;background:var(--mem-sky);color:var(--mem-ink);font-weight:850;cursor:pointer}
.midi-chord-builder{display:grid;grid-template-columns:repeat(4,minmax(0,1fr)) auto;gap:8px;align-items:end;margin:10px 0;padding:0;background:transparent}
.midi-chord-builder label{display:grid;gap:5px;font:800 10px/1 var(--mem-body)}
.midi-chord-builder select,.midi-chord-builder button{min-height:40px;border:1.5px solid var(--mem-ink);border-radius:7px;background:var(--mem-paper);color:var(--mem-ink);font-weight:800}
.midi-chord-builder button{padding:7px 10px;background:var(--mem-yellow);cursor:pointer}
.generated-midi-chord-editing .timeline .bar{background:#fff!important}
.generated-midi-chord-editing .timeline .bar.editing-selected{outline:3px solid var(--mem-coral);outline-offset:2px;background:var(--mem-yellow)!important}
.arrangement-title.has-chord-tone-hint{grid-template-columns:minmax(0,1fr)}
.arrangement-title.has-chord-tone-hint>div:first-child{display:none}
.arrangement-title.has-chord-tone-hint .arrangement-user-tools{width:100%;justify-content:center}
.arrangement-title.has-chord-tone-hint .arrangement-user-tools>:not(.chord-tone-hint){display:none!important}
.arrangement-title.has-chord-tone-hint .chord-tone-hint{width:100%;min-width:0;box-sizing:border-box}
@media(max-width:719px){
  .player>.player-topline{grid-template-columns:89px minmax(92px,1fr) 42px;grid-template-rows:auto auto;gap:5px}
  .player-topline>.player-primary{grid-template-columns:42px 42px;gap:5px}
  .player .play-button,.player.playing .play-button,.player .secondary-button{width:42px;min-width:42px;height:42px;min-height:42px}
  .player-topline>.groove-picker-control{min-height:42px;padding-inline:7px}
  body.generated-midi-active .arrangement-title{grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:10px}
  body.generated-midi-active .arrangement-user-tools{grid-column:2;grid-row:1;justify-content:flex-end;align-self:start;flex-wrap:nowrap}
  .midi-edit-entry{min-height:44px}
  .midi-beat-chords{grid-template-columns:repeat(2,minmax(0,1fr))}
  .generated-midi-active .mixer{min-width:0}
  .generated-midi-active .mixer-table-head{display:none}
  .generated-midi-active .mixer-channel{display:flex;flex-wrap:wrap;gap:2px 6px;padding:5px 8px}
  .generated-midi-active .track-identity{flex:1 1 calc(100% - 100px);min-width:0;gap:7px}
  .generated-midi-active .track-icon{flex-basis:28px;width:28px;height:28px}
  .generated-midi-active .mixer-channel>button{flex:0 0 44px;width:44px;height:44px;font-size:13px}
  .generated-midi-active .mixer-channel>button::before{inset:5px}
  .generated-midi-active .channel-slider,.generated-midi-active .pan-slider{flex:1 1 calc(50% - 3px);grid-template-columns:30px minmax(0,1fr) 40px;width:auto;min-width:0;min-height:44px;gap:4px}
  .generated-midi-active .channel-slider::before{content:'音量';font:800 10px/1 var(--mem-body)}
  .generated-midi-active .pan-slider::before{content:'声像';font:800 10px/1 var(--mem-body)}
  .generated-midi-active :is(.channel-slider,.pan-slider) input[type="range"]{box-sizing:border-box;width:100%;height:44px;margin:0;-webkit-appearance:none;appearance:none;background:transparent}
  .generated-midi-active :is(.channel-slider,.pan-slider) input[type="range"]::-webkit-slider-runnable-track{height:6px;border:1px solid var(--mem-ink);border-radius:999px;background:#d9dde4}
  .generated-midi-active :is(.channel-slider,.pan-slider) input[type="range"]::-webkit-slider-thumb{width:26px;height:26px;margin-top:-11px;border:2px solid var(--mem-ink);border-radius:50%;background:var(--mem-yellow);-webkit-appearance:none;appearance:none}
  .generated-midi-active :is(.channel-slider,.pan-slider) input[type="range"]::-moz-range-track{height:6px;border:1px solid var(--mem-ink);border-radius:999px;background:#d9dde4}
  .generated-midi-active :is(.channel-slider,.pan-slider) input[type="range"]::-moz-range-thumb{width:26px;height:26px;border:2px solid var(--mem-ink);border-radius:50%;background:var(--mem-yellow)}
  .generated-midi-active :is(.channel-slider,.pan-slider) output{display:block;min-width:40px;color:var(--mem-ink);font:850 11px/1 var(--mem-data);text-align:right}
  .midi-sequence-toolbar{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));overflow:visible}.midi-sequence-toolbar button{min-width:0;min-height:44px;padding:6px 3px}.midi-sequence-toolbar .midi-save-status{grid-column:1/-1;text-align:left}
  .midi-preview-transport{grid-template-columns:72px minmax(0,1fr);padding:7px;gap:7px}.midi-preview-transport>button{min-width:0;padding-inline:7px}.midi-preview-transport>label{gap:4px 6px}.midi-preview-transport output{min-width:52px;font-size:10px}
  .midi-chord-builder-head{align-items:center}.midi-chord-builder-head select{min-height:44px}
  .midi-inline-chord-editor>header{align-items:flex-start}.midi-inline-chord-editor header small{max-width:230px}.midi-chord-quick button,.midi-beat-toggle button{min-height:44px}.midi-chord-builder{grid-template-columns:1fr 1fr}.midi-chord-builder select,.midi-chord-builder button{min-height:44px}.midi-chord-builder button{grid-column:1/-1}.midi-beat-toggle{align-items:flex-start}.midi-beat-toggle span{padding-top:4px}
  .midi-save-status{text-align:left}
  .player .key-popover{left:auto;right:0;grid-template-columns:repeat(3,44px)}
}
.player .compact-control,
.player .tempo-control > button,
.player .chord-display-control,
.player .loop-control,
.player .metronome-control,
.player .chord-tone-control {
  display: grid;
  grid-template-rows: auto 1fr;
  align-items: center;
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
  min-height: 44px;
  height: 44px;
  padding: 5px 6px;
  gap: 1px;
  border: 0;
  border-radius: 9px;
  box-shadow: none;
  transform: none;
}
.player .compact-control span,
.player .tempo-control > button span,
.player .chord-display-control span,
.player .loop-control span,
.player .metronome-control span,
.player .chord-tone-control span {
  overflow: hidden;
  color: var(--mem-secondary);
  font: 800 9px/1 var(--mem-body);
  text-overflow: ellipsis;
  white-space: nowrap;
}
.player .key-control strong,
.player .tempo-control > button output,
.player .chord-display-control strong,
.player .loop-control strong,
.player .metronome-control strong,
.player .chord-tone-control strong {
  min-width: 0;
  overflow: hidden;
  color: var(--mem-ink);
  font: 850 15px/1.05 var(--mem-display);
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.player .key-control {
  cursor: default;
}
.player .tempo-control,
.player .loop-settings,
.player .metronome-settings {
  width: 100%;
  min-width: 0;
}
.player .metronome-settings {
  position: relative;
}
.player .metronome-control {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5px;
  background: var(--mem-paper);
  color: var(--mem-ink);
}
.player .metronome-control svg {
  width: 30px;
  height: 30px;
  flex: none;
}
.player .metronome-control[aria-expanded="true"] {
  box-shadow: inset 0 0 0 3px var(--mem-coral);
}
/* One viewport modal system for accompaniment, speed and loop selection. */
.player-modal-backdrop {
  position: fixed;
  z-index: 1000;
  inset: 0;
  background: rgba(24, 49, 83, .22);
  -webkit-backdrop-filter: blur(5px) saturate(.86);
  backdrop-filter: blur(5px) saturate(.86);
}
.player-modal-backdrop[hidden],
.player .tempo-popover[hidden],
.player .human-loop-popover[hidden],
.player .metronome-popover[hidden],
.player > .groove-picker-popover[hidden] {
  display: none !important;
}
body.player-modal-open {
  overflow: hidden;
}
.player .tempo-popover,
.player .human-loop-popover,
.player > .groove-picker-popover {
  position: fixed;
  z-index: 1001;
  top: 50%;
  right: auto;
  bottom: auto;
  left: 50%;
  box-sizing: border-box;
  width: min(440px, calc(100vw - 28px));
  max-height: min(680px, calc(100dvh - 28px));
  margin: 0;
  padding: 15px;
  overflow: auto;
  border: 2px solid var(--mem-ink);
  border-radius: 14px;
  box-shadow: 0 20px 54px rgba(24, 49, 83, .28);
  transform: translate(-50%, -50%);
}
.player .tempo-popover {
  width: min(380px, calc(100vw - 28px));
  background: var(--mem-yellow);
}
.player .human-loop-popover {
  width: min(390px, calc(100vw - 28px));
  background: var(--mem-paper);
}
.player .metronome-popover {
  position: absolute;
  z-index: 1001;
  top: calc(100% + 10px);
  right: 0;
  box-sizing: border-box;
  width: 216px;
  max-width: calc(100vw - 80px);
  padding: 8px;
  border: 1px solid var(--mem-secondary);
  border-radius: 18px;
  background: var(--mem-paper);
  box-shadow: 0 7px 20px rgba(24, 49, 83, .18);
}
.player .metronome-option {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 14px;
  box-sizing: border-box;
  width: 100%;
  min-height: 56px;
  padding: 10px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  box-shadow: none;
  transform: none;
  color: var(--mem-ink);
  text-align: left;
}
.player #countInToggle {
  border-top: 1px solid #d7dcd9;
}
.player .metronome-option > span {
  font: 800 17px/1.3 var(--mem-body);
  white-space: nowrap;
}
.player .metronome-option > b {
  position: relative;
  box-sizing: border-box;
  width: 54px;
  min-width: 54px;
  height: 32px;
  overflow: hidden;
  border: 2px solid #c9d0d2;
  border-radius: 999px;
  background: #e5eaeb;
  color: transparent;
  font-size: 0;
}
.player .metronome-option > b::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  border: 1px solid #bec5c6;
  border-radius: 50%;
  background: var(--mem-paper);
  box-shadow: 0 2px 5px rgba(24, 49, 83, .2);
  transition: transform 160ms cubic-bezier(.2,.8,.2,1);
}
.player .metronome-option[aria-checked="true"] > b {
  border-color: var(--mem-ink);
  background: var(--mem-mint);
}
.player .metronome-option[aria-checked="true"] > b::after {
  transform: translateX(22px);
}
.player .metronome-option:disabled {
  cursor: not-allowed;
  opacity: .52;
}
@media (prefers-reduced-motion: reduce) {
  .player .metronome-option > b::after { transition: none; }
}
.player > .groove-picker-popover {
  width: min(680px, calc(100vw - 28px));
  padding: 18px;
  background: var(--mem-cream);
}
.player .human-loop-popover > strong,
.player .human-loop-popover > span {
  display: block;
}
.player .human-loop-popover > strong {
  font: 850 18px/1.15 var(--mem-display);
}
.player .human-loop-popover > span {
  margin-top: 5px;
  color: var(--mem-secondary);
  font-size: 12px;
  line-height: 1.45;
}
.player .loop-stepper {
  display: grid;
  grid-template-columns: 44px 1fr 44px;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
}
.player .loop-stepper button {
  min-height: 44px;
  box-shadow: none;
}
.player .loop-stepper output {
  font: 850 17px/1 var(--mem-display);
}
.player .loop-jump-list {
  margin-top: 13px;
}
.player .human-speed-readout span {
  font-size: 12px;
}
.player .human-speed-readout output {
  font: 850 20px/1 var(--mem-display);
}
.player .speed-scale span {
  font-size: 10px;
}
/* The public picker exposes only playable recordings: groove -> recording. */
.player .groove-picker-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.player .groove-picker-toolbar > div { min-width: 0; }
.player .groove-picker-toolbar h2 {
  margin: 0;
  color: var(--mem-ink);
  font: 900 clamp(24px, 5vw, 30px)/1 var(--mem-display);
  letter-spacing: -.025em;
}
.player .groove-picker-toolbar p {
  margin: 5px 0 0;
  color: var(--mem-secondary);
  font-size: 12px;
  font-weight: 750;
  line-height: 1.45;
}
.player .groove-picker-toolbar > button {
  flex: 0 0 auto;
  width: auto;
  min-height: 44px;
  padding: 8px 13px;
  border: 2px solid var(--mem-ink);
  border-radius: 10px;
  background: var(--mem-mint);
  color: var(--mem-ink);
  box-shadow: none;
  font: 850 13px/1 var(--mem-body);
}
.player .groove-picker-browser {
  overflow: hidden;
  border: 3px solid var(--mem-ink);
  border-radius: 17px;
  background: var(--mem-paper);
  box-shadow: 0 8px 22px rgba(24,49,83,.14);
}
.player .groove-picker-browser-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-sizing: border-box;
  min-height: 36px;
  padding: 8px 12px;
  gap: 12px;
  border-bottom: 3px solid var(--mem-ink);
  background: var(--mem-yellow);
  color: var(--mem-ink);
  font: 900 11px/1.2 var(--mem-body);
  letter-spacing: .025em;
}
.player .groove-picker-browser-bar span { white-space: nowrap; }
.player .groove-picker-rail {
  display: flex;
  box-sizing: border-box;
  width: 100%;
  padding: 10px;
  gap: 7px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  background: var(--mem-ink);
  scrollbar-color: var(--mem-yellow) transparent;
  scrollbar-width: thin;
  scroll-snap-type: x proximity;
}
.player .groove-picker-option {
  flex: 0 0 auto;
  box-sizing: border-box;
  min-width: 118px;
  min-height: 50px;
  padding: 8px 10px;
  border: 1px solid rgba(255,253,245,.55);
  border-radius: 9px;
  background: rgba(255,253,245,.08);
  color: var(--mem-paper);
  box-shadow: none;
  scroll-snap-align: center;
  text-align: left;
}
.player .groove-picker-option strong,
.player .groove-picker-option small { display: block; }
.player .groove-picker-option strong {
  max-width: 150px;
  overflow: hidden;
  font: 850 13px/1.15 var(--mem-display);
  text-overflow: ellipsis;
  white-space: nowrap;
}
.player .groove-picker-option small {
  margin-top: 4px;
  color: inherit;
  font: 750 9px/1 var(--mem-data);
}
.player .groove-picker-option.active {
  border-color: var(--mem-yellow);
  background: var(--mem-yellow);
  color: var(--mem-ink);
}
.player .groove-picker-option:disabled {
  background: transparent;
  color: rgba(255,253,245,.55);
  cursor: not-allowed;
  opacity: 1;
}
.player .groove-picker-option:focus-visible,
.player .groove-backing-choice:focus-visible {
  outline: 3px solid var(--mem-coral);
  outline-offset: -3px;
}
.player .groove-backing-picker {
  margin: 0;
  padding: 0;
  border: 0;
}
.player .groove-backing-list {
  display: block;
  max-height: 320px;
  padding: 0 10px 3px;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-color: var(--mem-coral) transparent;
  scrollbar-width: thin;
}
.player .groove-backing-choice {
  display: grid;
  grid-template-columns: 26px minmax(0,1fr) auto;
  width: 100%;
  min-height: 70px;
  align-items: center;
  box-sizing: border-box;
  gap: 9px;
  padding: 10px 8px 10px 1px;
  border: 0;
  border-bottom: 2px solid var(--mem-ink);
  border-radius: 0;
  background: transparent;
  color: var(--mem-ink);
  box-shadow: none;
  text-align: left;
}
.player .groove-backing-index {
  align-self: start;
  padding-top: 3px;
  color: var(--mem-coral);
  font: 900 10px/1 var(--mem-data);
}
.player .groove-backing-main { min-width: 0; }
.player .groove-backing-choice strong {
  display: block;
  overflow: hidden;
  font: 900 17px/1.15 var(--mem-display);
  letter-spacing: -.025em;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.player .groove-backing-choice small {
  display: block;
  margin-top: 3px;
  overflow: hidden;
  color: var(--mem-secondary);
  font: 700 10px/1.3 var(--mem-body);
  text-overflow: ellipsis;
  white-space: nowrap;
}
.player .groove-backing-choice em {
  display: block;
  margin-top: 5px;
  color: var(--mem-ink);
  font: 850 9px/1 var(--mem-data);
  font-style: normal;
}
.player .groove-backing-choice b {
  flex: 0 0 auto;
  color: var(--mem-coral);
  font-size: 9px;
}
.player .groove-backing-choice:last-child { border-bottom: 0; }
@media (hover:hover) and (pointer:fine) {
  .player .groove-backing-choice:hover {
    background: rgba(145,228,195,.24);
  }
}
.player .groove-backing-choice:active {
  background: rgba(145,228,195,.34);
}
.player .groove-backing-choice.active {
  background: rgba(255, 221, 59, .28);
}
.player .groove-backing-empty {
  margin: 0;
  padding: 24px 8px;
  color: var(--mem-secondary);
  font-size: 12px;
  font-weight: 750;
  text-align: center;
}
.arrangement-title {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  min-width: 0;
  gap: 14px;
}
.arrangement-title > div:first-child {
  min-width: 0;
}
.arrangement-title h2 {
  overflow-wrap: anywhere;
}
.chord-tone-hint {
  display: flex;
  position: relative;
  isolation: isolate;
  align-items: center;
  justify-content: center;
  min-width: clamp(190px, 24vw, 360px);
  min-height: 72px;
  padding: 7px clamp(14px, 2vw, 27px);
  gap: clamp(3px, .5vw, 8px);
  white-space: nowrap;
}
.chord-tone-hint[hidden] {
  display: none;
}
.chord-tone-hint .chord-tone {
  display: inline-flex;
  align-items: baseline;
  gap: 0;
  color: var(--mem-coral);
  font: 950 clamp(38px, 4.2vw, 64px)/1 var(--mem-display);
  letter-spacing: -.035em;
  text-shadow: 0 2px 0 rgba(24, 49, 83, .14);
  transform: translateY(0) rotate(calc((var(--tone-index) - 2) * 1deg));
}
.chord-tone-hint .chord-tone-group {
  display: inline-flex;
  align-items: baseline;
  gap: inherit;
  min-width: 0;
}
.chord-tone-hint .chord-tone-divider {
  align-self: stretch;
  width: 3px;
  min-height: 40px;
  margin: 0 clamp(4px, .8vw, 11px);
  border-radius: 99px;
  background: var(--mem-ink, #183153);
  opacity: .72;
}
.chord-tone-hint .tone-accidental {
  flex: 0 0 auto;
  margin-right: -.04em;
  font-size: .48em;
  line-height: 1;
  transform: translateY(-.28em);
}
.chord-tone-hint .tone-degree {
  flex: 0 0 auto;
}
.chord-tone-hint .chord-tone:nth-of-type(4n + 2) { color: #08739f; }
.chord-tone-hint .chord-tone:nth-of-type(4n + 3) { color: #24725f; }
.chord-tone-hint .chord-tone:nth-of-type(4n + 4) { color: #744e99; }
.chord-tone-hint.is-dense .chord-tone {
  font-size: clamp(32px, 3.5vw, 52px);
}
.chord-tone-hint.has-multiple-chords .chord-tone {
  font-size: clamp(28px, 3.4vw, 50px);
}
.chord-tone-hint.is-animated .chord-tone {
  will-change: auto;
}
@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
  .chord-tone-hint.is-animated .chord-tone {
    animation: chord-tone-sway 2.25s ease-in-out infinite alternate;
    animation-delay: calc((var(--tone-index) - 1) * -110ms);
    will-change: transform;
  }
}
@keyframes chord-tone-sway {
  0% { transform: translate(calc((var(--tone-index) - 2) * -1.4px), calc((var(--tone-index) - 2) * 1.2px)) rotate(calc((var(--tone-index) - 2) * -1.25deg)); }
  100% { transform: translate(calc((var(--tone-index) - 2) * 1.4px), calc((var(--tone-index) - 2) * -1.2px)) rotate(calc((var(--tone-index) - 2) * 1.25deg)); }
}
@media (min-width: 720px) {
  .player {
    grid-template-columns: minmax(300px, .9fr) minmax(300px, 1.1fr);
    grid-template-areas: "topline progress" "options options";
    gap: 8px 12px;
    padding: 45px 14px 12px;
  }
  .player > .player-options {
    grid-auto-rows: 44px;
    gap: 7px;
  }
  .player .compact-control span,
  .player .tempo-control > button span,
  .player .chord-display-control span,
  .player .loop-control span,
  .player .metronome-control span,
  .player .chord-tone-control span {
    font-size: 10px;
  }
  .player .key-control strong,
  .player .tempo-control > button output,
  .player .chord-display-control strong,
  .player .loop-control strong,
  .player .metronome-control strong,
  .player .chord-tone-control strong {
    font-size: 17px;
  }
}
@media (min-width: 1320px) {
  .player {
    grid-template-columns: minmax(350px, .95fr) minmax(340px, .9fr) minmax(420px, 1.15fr);
    grid-template-areas: "topline progress options";
    align-items: center;
    gap: 14px;
    padding: 45px 18px 12px;
  }
}
@media (max-width: 719px) {
  .player > .groove-picker-popover {
    top: max(78px, calc(env(safe-area-inset-top) + 62px));
    width: calc(100vw - 8px);
    max-height: calc(100dvh - max(90px, calc(env(safe-area-inset-top) + 74px)) - env(safe-area-inset-bottom));
    padding: 16px 12px 14px;
    border-width: 3px;
    border-radius: 22px;
    transform: translateX(-50%);
  }
  .player .groove-picker-toolbar { margin-bottom: 13px; }
  .player .groove-picker-toolbar h2 { font-size: 25px; }
  .player .groove-picker-toolbar p { font-size: 11px; }
  .player .groove-picker-toolbar > button { min-height: 44px; }
  .player .groove-picker-browser-bar { min-height: 34px; font-size: 10px; }
  .player .groove-picker-option { min-width: 112px; min-height: 48px; }
  .player .groove-backing-list { max-height: 42dvh; }
  .player .groove-backing-choice { min-height: 68px; }
  .player .key-control strong,
  .player .tempo-control > button output,
  .player .chord-display-control strong,
  .player .loop-control strong,
  .player .metronome-control strong,
  .player .chord-tone-control strong {
    font-size: clamp(11px, 3.4vw, 14px);
  }
  .player .tempo-control > button output {
    font-size: 10px;
    letter-spacing: -.035em;
  }
  .player .tempo-control > button {
    padding-inline: 3px;
  }
  .arrangement-title {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }
  .arrangement-title > div:first-child {
    grid-column: 1;
    grid-row: 1;
  }
  .arrangement-title.has-chord-tone-hint > div:first-child {
    display: none;
  }
  .chord-tone-hint {
    grid-column: 1;
    grid-row: 1;
    justify-self: stretch;
    min-width: 0;
    min-height: 58px;
    padding: 5px 12px;
    gap: clamp(2px, 1.3vw, 6px);
  }
  .chord-tone-hint .chord-tone {
    font-size: clamp(30px, 10vw, 46px);
  }
  .chord-tone-hint.is-dense .chord-tone {
    font-size: clamp(24px, 7.4vw, 34px);
  }
  .chord-tone-hint.has-multiple-chords {
    gap: clamp(1px, .7vw, 4px);
    padding-inline: 5px;
  }
  .chord-tone-hint.has-multiple-chords .chord-tone-group {
    gap: clamp(1px, .8vw, 4px);
  }
  .chord-tone-hint.has-multiple-chords .chord-tone {
    font-size: clamp(22px, 7.8vw, 39px);
  }
  .chord-tone-hint.has-multiple-chords .chord-tone-divider {
    width: 2px;
    min-height: 31px;
    margin-inline: clamp(3px, 1.4vw, 7px);
  }
}
@media (max-width: 370px) {
  .player {
    padding-inline: 8px;
  }
  .player > .player-topline {
    grid-template-columns: 88px minmax(82px, 1fr) 40px;
    gap: 4px;
  }
  .player-topline > .player-primary {
    grid-template-columns: 40px 40px;
    gap: 4px;
  }
  .player .play-button,
  .player.playing .play-button,
  .player .secondary-button {
    width: 40px;
    min-width: 40px;
    height: 40px;
    min-height: 40px;
  }
  .player .compact-control span,
  .player .tempo-control > button span,
  .player .chord-display-control span,
  .player .loop-control span,
  .player .metronome-control span,
  .player .chord-tone-control span {
    font-size: 8px;
  }
  .player .key-control strong,
  .player .tempo-control > button output,
  .player .chord-display-control strong,
  .player .loop-control strong,
  .player .metronome-control strong,
  .player .chord-tone-control strong {
    font-size: 12px;
  }
  .player .tempo-control > button output {
    font-size: 10px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .chord-tone-hint.is-animated .chord-tone {
    animation: none;
    will-change: auto;
  }
}

/* Timeline cards share one coordinate system. One- and two-chord measures
   only change the middle row; measure and section metadata stay anchored. */
.timeline .bar {
  display: grid;
  grid-template-areas: "number" "chord" "function";
  grid-template-rows: auto minmax(0, 1fr) auto;
  align-items: stretch;
  box-sizing: border-box;
  height: 104px;
  min-height: 104px;
  padding: 11px 14px 9px;
  text-align: left;
}
.timeline .bar-number {
  grid-area: number;
  align-self: start;
  justify-self: start;
  margin: 0;
  font-size: 11px;
  line-height: 1;
}
.timeline .bar-chord {
  grid-area: chord;
  align-self: center;
  justify-self: start;
  min-width: 0;
  margin: 0;
  font-size: clamp(30px, 3vw, 46px);
  line-height: 1;
  max-width: 100%;
  overflow: hidden;
  text-overflow: clip;
  white-space: nowrap;
}
.timeline .bar-chord.chord-text-compact {
  font-size: clamp(24px, 2.45vw, 38px);
  letter-spacing: -.035em;
}
.timeline .bar-chord.chord-text-long {
  font-size: clamp(19px, 2vw, 30px);
  letter-spacing: -.055em;
}
.timeline .bar .bar-chord-split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
  justify-self: stretch;
  width: 100%;
  gap: clamp(8px, 1.5vw, 24px);
  font-size: clamp(26px, 2.4vw, 40px);
}
.timeline .bar-chord-split > span {
  min-width: 0;
  overflow: hidden;
  text-align: center;
  text-overflow: clip;
  white-space: nowrap;
}
.timeline .bar-chord-split > .chord-text-compact {
  font-size: .84em;
  letter-spacing: -.035em;
}
.timeline .bar-chord-split > .chord-text-long {
  font-size: .68em;
  letter-spacing: -.055em;
}
.timeline .bar-function {
  display: block;
  grid-area: function;
  align-self: end;
  justify-self: start;
  max-width: 100%;
  margin: 0;
  overflow: hidden;
  font-size: 11px;
  line-height: 1;
  text-overflow: clip;
  white-space: nowrap;
}
@media (max-width: 719px) {
  .timeline .bar {
    height: 68px;
    min-height: 68px;
    padding: 7px 7px 6px;
  }
  .timeline .bar-number {
    font-size: 8px;
  }
  .timeline .bar-chord {
    font-size: clamp(17px, 5vw, 23px);
  }
  .timeline .bar-chord.chord-text-compact {
    font-size: clamp(14px, 4vw, 19px);
  }
  .timeline .bar-chord.chord-text-long {
    font-size: clamp(11px, 3.2vw, 16px);
  }
  .timeline .bar .bar-chord-split {
    gap: 2px;
    font-size: clamp(11px, 3.5vw, 17px);
  }
  .timeline .bar-function {
    font-size: clamp(6px, 1.8vw, 9px);
  }
}