:root {
  --bg: #050607;
  --ink: #e8ecee;
  --ink-2: rgba(232, 236, 238, 0.62);
  --ink-3: rgba(232, 236, 238, 0.58);
  --line: rgba(232, 236, 238, 0.18);
  --line-2: rgba(232, 236, 238, 0.4);
  --panel: rgba(8, 10, 11, 0.82);
  --hi: #ffffff;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --panel-w: 330px;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--ink); overflow: hidden; }
body { font: 400 11px/1.4 var(--mono); letter-spacing: 0.08em; -webkit-font-smoothing: antialiased; }

#stage { position: fixed; inset: 0; width: 100vw; height: 100vh; display: block; cursor: grab; touch-action: none; }
#stage.dragging { cursor: grabbing; }
#stage.pointing { cursor: crosshair; }
#stage:focus-visible { outline: 1px dashed var(--ink-2); outline-offset: -6px; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.block > header h2 { font: inherit; margin: 0; letter-spacing: inherit; color: inherit; }
.block > header h2#sel-name { font-size: 11px; }

/* ---------------------------------------------------------------- HUD */
#hud { position: fixed; inset: 0; pointer-events: none; text-transform: uppercase; }
.hud-tl { position: absolute; left: 16px; top: 14px; }
.hud-brand { font-weight: 500; letter-spacing: 0.32em; font-size: 10px; }
.hud-sub { color: var(--ink-3); font-size: 8px; letter-spacing: 0.22em; margin-top: 3px; }
.hud-mode { font-size: 17px; letter-spacing: 0.14em; margin-top: 6px; font-weight: 500; }
.hud-stats { color: var(--ink-3); font-size: 8px; letter-spacing: 0.18em; margin-top: 2px; }
.hud-stats b { color: var(--ink-2); font-weight: 400; }
.sep { color: var(--ink-3); }

.hud-tr { position: absolute; top: 14px; right: calc(var(--panel-w) + 20px); text-align: right; font-size: 8px; letter-spacing: 0.18em; color: var(--ink-2); line-height: 1.6; transition: right .25s ease; }
.hud-tr .k { color: var(--ink-3); }
.hud-tr .big { color: var(--ink); font-size: 9px; }
body.panel-hidden .hud-tr { right: 16px; }

.hud-bl { position: absolute; left: 16px; bottom: 14px; pointer-events: auto; font-size: 8px; letter-spacing: 0.16em; }
.meter { display: grid; grid-template-columns: 44px 70px 34px; align-items: center; gap: 6px; padding: 1px 0; min-height: 24px; color: var(--ink-3); cursor: pointer; background: none; border: 0; font: inherit; letter-spacing: inherit; text-align: left; width: auto; }
.meter:hover, .meter.sel { color: var(--ink); }
.meter .bar { height: 3px; background: rgba(232,236,238,0.08); position: relative; }
.meter .bar i { position: absolute; left: 0; top: 0; bottom: 0; background: var(--ink); width: 0; }
.meter .bar s { position: absolute; top: -2px; bottom: -2px; width: 1px; background: var(--ink-2); left: 0; }
.meter.muted > span:first-child { text-decoration: line-through; }
.meter.muted .bar { opacity: 0.4; }
.meter-row { display: flex; align-items: center; gap: 6px; }
.mbtn { min-width: 24px; min-height: 24px; padding: 0; font-size: 8px; letter-spacing: 0; color: var(--ink-2); background: rgba(5,6,7,0.5); }
.mbtn.solo { color: var(--ink); border-color: var(--ink); }
.mbtn.on { color: var(--bg); background: var(--ink); border-color: var(--ink); }

.hud-hint { position: absolute; bottom: 16px; left: 50%; transform: translateX(-50%); margin-left: calc(var(--panel-w) / -2); color: var(--ink-3); font-size: 9px; letter-spacing: 0.24em; text-align: center; max-width: calc(100vw - var(--panel-w) - 420px); transition: opacity 1s ease; }
@media (max-width: 1100px) { .hud-hint { display: none; } }
body.panel-hidden .hud-hint { margin-left: 0; }
.hud-hint.gone { opacity: 0; }

/* ---------------------------------------------------------------- panel */
#panel {
  position: fixed; top: 0; right: 0; bottom: 0; width: var(--panel-w);
  background: var(--panel); border-left: 1px solid var(--line);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  overflow-y: auto; padding: 10px 14px 40px; text-transform: uppercase;
  transition: transform .25s ease; scrollbar-width: thin; scrollbar-color: var(--line) transparent;
}
body.panel-hidden #panel { transform: translateX(100%); }
#panel-toggle { position: fixed; right: calc(var(--panel-w) + 12px); bottom: 12px; z-index: 5; transition: right .25s ease; }
body.panel-hidden #panel-toggle { right: 12px; }

.block { border-top: 1px solid var(--line); padding: 10px 0 12px; }
.block:first-child { border-top: 0; }
.block > header { display: flex; align-items: center; gap: 8px; font-size: 9px; letter-spacing: 0.3em; color: var(--ink-2); margin-bottom: 8px; }
.block > header #sel-name { flex: 1; text-align: center; color: var(--ink); font-size: 11px; letter-spacing: 0.22em; }
.dim { color: var(--ink-3); }
.row { display: flex; flex-wrap: wrap; gap: 5px; margin: 6px 0; }

button {
  font: inherit; letter-spacing: 0.14em; text-transform: uppercase; font-size: 9px;
  color: var(--ink-2); background: transparent; border: 1px solid var(--line);
  padding: 5px 8px; cursor: pointer; border-radius: 0;
}
button:hover { color: var(--ink); border-color: var(--line-2); }
button:disabled { opacity: 0.45; cursor: default; }
button:disabled:hover { color: var(--ink-2); border-color: var(--line); }
button:focus-visible, .dropzone:focus-visible, input:focus-visible { outline: 1px solid var(--hi); outline-offset: 1px; }
button.on { color: var(--bg); background: var(--ink); border-color: var(--ink); }
button.primary { color: var(--ink); border-color: var(--line-2); min-width: 78px; }
button.primary.on { background: var(--ink); color: var(--bg); }
button.rec { color: #fff; border-color: #fff; animation: blink 1s steps(2) infinite; }
button.ghost { border-color: transparent; background: rgba(5,6,7,0.5); }
button.tiny { padding: 2px 6px; }
@keyframes blink { 50% { opacity: 0.45; } }

/* sliders */
.slider { display: grid; grid-template-columns: 74px 1fr 52px; align-items: center; gap: 8px; margin: 3px 0; font-size: 9px; }
.slider label { color: var(--ink-3); letter-spacing: 0.18em; }
.slider output { text-align: right; color: var(--ink); font-variant-numeric: tabular-nums; }
input[type=range] { -webkit-appearance: none; appearance: none; width: 100%; background: transparent; height: 24px; margin: 0; }
input[type=range]::-webkit-slider-runnable-track { height: 1px; background: var(--line-2); }
input[type=range]::-moz-range-track { height: 1px; background: var(--line-2); }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 7px; height: 11px; background: var(--ink); margin-top: -5px; border: 0; }
input[type=range]::-moz-range-thumb { width: 7px; height: 11px; background: var(--ink); border: 0; border-radius: 0; }

/* sounds */
.dropzone { display: block; position: relative; border: 1px dashed var(--line-2); padding: 12px 10px; text-align: center; cursor: pointer; }
.dropzone:hover, .dropzone.over { border-color: var(--ink); background: rgba(232,236,238,0.04); }
.dropzone .add { display: block; width: 100%; border: 0; background: none; letter-spacing: 0.3em; color: var(--ink); font-size: 11px; min-height: 24px; }
.dropzone small { display: block; color: var(--ink-3); font-size: 8px; margin-top: 3px; letter-spacing: 0.12em; }

.sound-list { list-style: none; margin: 8px 0 0; padding: 0; }
.sound-list li { display: grid; grid-template-columns: 24px 1fr 64px auto; align-items: center; gap: 6px; padding: 3px 0; border-bottom: 1px solid rgba(232,236,238,0.06); }
.sound-list li.off .nm { text-decoration: line-through; color: var(--ink-2); }
.sound-list li.off canvas { opacity: 0.4; }
.sound-list li.user .nm::before { content: "◆ "; color: var(--ink); }
.sound-list .nm { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 9px; }
.sound-list .nm small { color: var(--ink-3); margin-left: 4px; }
.sound-list canvas { width: 64px; height: 16px; display: block; }
.sound-list .acts { display: flex; gap: 3px; }
.sound-list .acts button { padding: 1px 5px; min-width: 24px; min-height: 24px; }
.chk { width: 24px; height: 24px; padding: 6px; border: 0; background: transparent; position: relative; }
.chk::before { content: ""; position: absolute; inset: 6px; border: 1px solid var(--line-2); }
.chk.on::before { background: var(--ink); }

.pool-head { margin-top: 10px; font-size: 8px; letter-spacing: 0.24em; color: var(--ink-2); }
.pool { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.pool button { font-size: 8px; padding: 3px 6px; min-height: 24px; }
.pool button.off { text-decoration: line-through; }

.help p { color: var(--ink-3); font-size: 9px; text-transform: none; letter-spacing: 0.06em; margin: 4px 0; }
.help b { color: var(--ink-2); font-weight: 400; }


/* compose / fx / map */
.sub-head { margin: 10px 0 4px; font-size: 8px; letter-spacing: 0.26em; color: var(--ink-2); }
.hint { color: var(--ink-3); font-size: 8px; letter-spacing: 0.1em; margin: 2px 0 6px; text-transform: none; }
select { font: inherit; font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink); background: var(--bg); border: 1px solid var(--line-2); padding: 4px 6px; border-radius: 0; }
.keeps .slot-wrap { position: relative; display: inline-flex; }
.keeps .slot { position: relative; min-width: 34px; min-height: 24px; }
.keeps .slot.empty { color: var(--ink-3); border-style: dashed; }
.keeps .slot.active { color: var(--bg); background: var(--ink); }
.keeps .slot.queued { animation: blink .35s steps(2) infinite; border-color: var(--ink); color: var(--ink); }
.keeps .x { position: absolute; top: -10px; right: -10px; width: 24px; height: 24px; line-height: 20px; font-size: 11px; padding: 0; background: var(--bg); border: 1px solid var(--line-2); color: var(--ink); opacity: 0; z-index: 2; }
.keeps .x[hidden] { display: none; }
.keeps .slot-wrap:hover .x, .keeps .slot-wrap:focus-within .x { opacity: 1; }
@media (hover: none) { .keeps .x { opacity: 1; } }
button.queued { animation: blink .35s steps(2) infinite; border-color: var(--ink); color: var(--ink); }
.seg { gap: 0; }
.seg button { margin-right: -1px; min-height: 24px; }
.map { width: 100%; display: block; margin-top: 4px; background: rgba(232,236,238,0.02); border: 1px solid rgba(232,236,238,0.08); }
.slider.mixed output { color: var(--ink-3); }

/* drop + toast */
#drop-veil { position: fixed; inset: 0; display: none; align-items: center; justify-content: center; background: rgba(5,6,7,0.7); border: 1px dashed var(--ink); z-index: 20; pointer-events: none; }
#drop-veil div { letter-spacing: 0.5em; font-size: 14px; }
body.dragover #drop-veil { display: flex; }
#toast { position: fixed; top: 16px; left: 50%; transform: translateX(-50%); margin-left: calc(var(--panel-w) / -2); max-width: calc(100vw - var(--panel-w) - 32px); padding: 6px 12px; border: 1px solid var(--line-2); background: var(--panel); font-size: 9px; letter-spacing: 0.2em; text-transform: uppercase; opacity: 0; transition: opacity .3s ease; pointer-events: none; z-index: 30; }
#toast.show { opacity: 1; }
@media (max-width: 1100px) { #toast { top: 96px; } }
body.panel-hidden #toast { margin-left: 0; }

/* ---------------------------------------------------------------- narrow screens */
@media (max-width: 760px) {
  :root { --panel-w: 0px; }
  #panel { top: auto; left: 0; width: 100%; height: 48vh; border-left: 0; border-top: 1px solid var(--line); padding: 8px 16px 40px; }
  body.panel-hidden #panel { transform: translateY(100%); }
  #panel-toggle { right: 12px; bottom: calc(48vh + 8px); }
  body.panel-hidden #panel-toggle { bottom: 12px; }
  .hud-tr { right: 16px; top: 70px; }
  .hud-bl { display: none; bottom: 14px; }
  body.panel-hidden .hud-bl { display: block; }
  .hud-tr { display: none; }
  body.panel-hidden .hud-tr { display: block; }
  .hud-hint { display: none; }
  .slider { grid-template-columns: 70px 1fr 48px; }
}
.styles { row-gap: 2px; }
.styles button { font-size: 8px; padding: 4px 6px; min-height: 24px; }

/* on-canvas flight dock */
#fly-dock { position: fixed; left: calc((100vw - var(--panel-w)) / 2); transform: translateX(-50%); bottom: 40px; display: flex; gap: 6px; z-index: 6; transition: left .25s ease; }
body.panel-hidden #fly-dock { left: 50vw; }
#fly-dock .dock-flight { display: none; gap: 6px; }
#fly-dock.flying .dock-flight { display: flex; }
#fly-dock button { touch-action: none; user-select: none; -webkit-user-select: none; white-space: nowrap; }
#fly-dock button.on { color: var(--bg); background: var(--ink); }
@media (max-width: 760px) {
  #fly-dock { left: 50vw; bottom: calc(48vh + 52px); }
  body.panel-hidden #fly-dock { bottom: 52px; }
  body.flying .hud-bl { display: none !important; }   /* the dock owns the bottom of the screen in flight */
  #fly-dock button { padding: 4px 6px; font-size: 8px; }
}
@media (min-width: 761px) and (max-width: 1100px) {
  body.flying .hud-bl { display: none; }
}