/* JetBrains Mono ships with the app (fonts/, SIL Open Font License) and is
   only loaded from there, never taken from a locally installed copy, so
   values look the same everywhere. */
@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/JetBrainsMono-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* colours from velak.klingt.org */
:root {
  --mono: "JetBrains Mono", monospace;
  --background: #0c0c0c;
  --panel: #181818;
  --panel-out: #111111;
  --edge: #272727;
  --f-low: #595959;
  --f-med: #808080;
  --f-high: #9c9c9c;
  --accent: #ed2c3e;
  --grid: #151515;
  --cell: 48px;
}

[hidden] { display: none !important; }

* { box-sizing: border-box; margin: 0; }

html, body { height: 100%; }

body {
  display: flex;
  flex-direction: column;
  background: var(--background);
  color: var(--f-med);
  font: 12px/1.4 Inter, sans-serif;
  text-transform: lowercase;
  overflow: hidden;
  user-select: none;
}

header {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1rem;
  align-items: center;
  padding: .5rem 1rem;
  border-bottom: 1px solid var(--edge);
}

h1 { font-size: 1.25rem; font-weight: 600; color: var(--f-high); letter-spacing: -.02em; }

.group { display: flex; gap: .25rem; align-items: center; }

button, select {
  font: inherit;
  text-transform: inherit;
  padding: .2rem .5rem;
  background: var(--panel);
  color: var(--f-med);
  border: 1px solid var(--edge);
  cursor: pointer;
}
select { max-width: 11rem; }
button:hover, select:hover { color: var(--f-high); border-color: var(--f-low); }
button.on { background: var(--f-high); color: var(--background); }
#record.on { background: var(--accent); color: var(--background); }
:focus-visible { outline: 1px solid var(--f-high); outline-offset: 1px; }

/* menu bar */
#menubar { display: flex; align-items: center; }
.menu { position: relative; }
.menu-title { background: none; border-color: transparent; }
.menu.open .menu-title { background: var(--panel); border-color: var(--f-low); color: var(--f-high); }
.menu-items {
  position: absolute;
  top: calc(100% + 2px);
  left: 0;
  z-index: 12;
  min-width: 13rem;
  padding: .25rem;
  background: var(--panel);
  border: 1px solid var(--f-low);
  box-shadow: 0 8px 32px #000;
}
.menu-items button {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  padding: .2rem .4rem;
  white-space: nowrap;
}
.menu-items button:hover:not(:disabled), .menu-items button:focus-visible { background: var(--panel-out); color: var(--f-high); outline: none; }
.menu-items button.current::before { content: "▸ "; }
.menu-items kbd { font: 10px/1.6 var(--mono); color: var(--f-low); }
.menu-items hr { border: 0; border-top: 1px solid var(--edge); margin: .25rem 0; }
.menu-row { display: flex; gap: .25rem; align-items: center; padding: .2rem .4rem; }
label.menu-row { justify-content: space-between; gap: 1rem; }
.menu-row input, .menu-row select { flex: 1; min-width: 0; }
.menu-row button { width: auto; flex: 1; justify-content: center; border: 1px solid var(--edge); background: var(--panel-out); }
#patchItems { max-height: 50vh; overflow-y: auto; }
#patchItems:not(:has(button)) { padding: .2rem .4rem; color: var(--f-low); }
#patchCurrent { color: var(--f-high); font-family: var(--mono); }

.status {
  margin-left: auto;
  display: flex;
  gap: 1rem;
  align-items: center;
  font-family: var(--mono);
}
#clip { display: flex; gap: 2px; }
#clip i { display: block; width: 6px; height: 10px; background: var(--edge); }
#clip i.on { background: var(--accent); }

#error {
  position: fixed;
  top: .5rem;
  right: .5rem;
  z-index: 20;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: .35rem;
  max-width: min(26rem, calc(100vw - 1rem));
  pointer-events: none;
}
.toast {
  pointer-events: auto;
  padding: .45rem .7rem;
  background: var(--panel);
  border: 1px solid var(--edge);
  border-left: 3px solid var(--accent);
  color: var(--f-high);
  font-family: var(--mono);
  text-transform: none;
  box-shadow: 0 6px 24px #000;
  cursor: pointer;
  overflow-wrap: anywhere;
}

.toast.info { border-left-color: var(--f-med); }

#menu {
  position: fixed;
  z-index: 10;
  display: flex;
  flex-direction: column;
  width: 14rem;
  max-height: min(36rem, calc(100vh - 1rem));
  background: var(--panel);
  border: 1px solid var(--f-low);
  box-shadow: 0 8px 32px #000;
}
#ctx {
  position: fixed;
  z-index: 11;
  min-width: 9rem;
  padding: .25rem;
  background: var(--panel);
  border: 1px solid var(--f-low);
  box-shadow: 0 8px 32px #000;
}
#ctxTitle { padding: .15rem .4rem .3rem; color: var(--f-low); border-bottom: 1px solid var(--edge); margin-bottom: .2rem; }
#ctxItems button {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  padding: .2rem .4rem;
}
#ctxItems button:hover, #ctxItems button:focus { background: var(--panel-out); color: var(--f-high); outline: none; }
#search {
  font: inherit;
  margin: .4rem;
  padding: .25rem .4rem;
  background: var(--panel-out);
  color: var(--f-high);
  border: 1px solid var(--edge);
  outline: none;
}
#search:focus { border-color: var(--f-low); }
#library {
  overflow-y: auto;
  padding: 0 .4rem .4rem;
  scrollbar-width: thin;
  scrollbar-color: var(--f-low) transparent;
}
#library button {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  padding: .15rem .3rem;
}
#library button:hover, #library button:focus-visible, #library button.first { background: var(--panel-out); color: var(--f-high); outline: none; }
.hints {
  list-style: none;
  padding: .4rem .7rem .5rem;
  border-top: 1px solid var(--edge);
  color: var(--f-low);
  font-size: 10px;
}

#stage { position: relative; flex: 1; min-width: 0; min-height: 0; }
#rack {
  position: absolute;
  inset: 0;
  overflow: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--f-low) transparent;
}
#sizer { position: relative; overflow: hidden; }
#patchName {
  font: inherit;
  width: 100%;
  padding: .2rem .4rem;
  background: var(--panel-out);
  color: var(--f-high);
  border: 1px solid var(--edge);
  text-transform: none;
}
#patchName:focus { outline: none; border-color: var(--f-low); }
button:disabled { color: var(--f-low); cursor: default; border-color: var(--edge); }
#patchDelete.confirm { background: var(--accent); color: var(--background); }
#content {
  position: absolute;
  left: 0;
  top: 0;
  transform-origin: 0 0;
  background-color: var(--background);
  background-image:
    linear-gradient(to bottom, var(--edge) 1px, transparent 1px),
    linear-gradient(to right, var(--grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid) 1px, transparent 1px);
  background-size: 100% calc(var(--cell) * 8), var(--cell) var(--cell), var(--cell) var(--cell);
  cursor: grab;
}
body.panning, body.panning * { cursor: grabbing !important; }
.drop { position: absolute; border: 1px dashed var(--f-low); pointer-events: none; }
.band { position: absolute; z-index: 2; border: 1px solid var(--f-med); background: #ffffff0d; pointer-events: none; }
#cables { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }

.module {
  position: absolute;
  cursor: default;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  contain: strict;
  background: var(--panel);
}
/* The edge is drawn on top instead of taking space, so the inside of a module
   is exactly cols x 8 cells and lines up with the background grid. */
.module::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid var(--edge);
  pointer-events: none;
}
.module.selected::after { border-color: var(--accent); }
.module.dragging { z-index: 1; opacity: .85; box-shadow: 0 6px 24px #000; }
.module.dragging .title { cursor: grabbing; }

.title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: calc(var(--cell) / 2);
  flex: none;
  padding: 0 .4rem;
  color: var(--f-high);
  font-weight: 600;
  cursor: grab;
  white-space: nowrap;
  overflow: hidden;
}
.title button {
  background: none;
  border: 0;
  padding: 0 .1rem;
  line-height: 1;
  color: var(--f-low);
  visibility: hidden;
}
.module:hover .title button, .title button:focus-visible { visibility: visible; }

/* the text of a note module */
.text {
  flex: 1;
  margin: 0 .4rem .4rem;
  padding: .3rem .4rem;
  resize: none;
  background: var(--panel-out);
  color: var(--f-high);
  border: 0;
  outline: none;
  font: 11px/1.5 var(--mono);
  text-transform: none;
  user-select: text;
  scrollbar-width: thin;
  scrollbar-color: var(--f-low) transparent;
}
.text::placeholder { color: var(--f-low); }
/* the file of a sampler */
.file {
  flex: none;
  margin: 0 .4rem .4rem;
  padding: .15rem .3rem;
  background: var(--panel-out);
  font: 10px/1.6 var(--mono);
  text-transform: none;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.display { display: block; flex: none; width: calc(100% - .8rem); height: 110px; margin: 0 .4rem .4rem; background: var(--panel-out); }

/* Knobs and jacks sit in fixed one-cell boxes. Nothing inside them may change
   size, so hovering (which swaps a label for the value) never moves anything. */
.knobs, .ports {
  display: grid;
  flex: none;
  grid-template-columns: repeat(var(--cols), var(--cell));
  grid-auto-rows: var(--cell);
}

.knob, .port {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  width: var(--cell);
  height: var(--cell);
  overflow: hidden;
}
.knob { cursor: ns-resize; touch-action: none; }
.knob span, .port span {
  flex: none;
  width: calc(var(--cell) - 2px);
  height: 12px;
  font-size: 10px;
  line-height: 12px;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
}
.knob span { font-family: var(--mono); font-size: 9px; }
.knob.active span { color: var(--f-high); text-transform: none; }

.dial {
  position: relative;
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--f-low);
  background: var(--panel-out);
}
.dial::after {
  content: "";
  position: absolute;
  left: calc(50% - 1px);
  top: 1px;
  width: 2px;
  height: 10px;
  background: var(--f-high);
}
.knob:hover .dial { border-color: var(--f-med); }
.knob.learn .dial { border-color: var(--accent); }
.knob.mapped .dial { border-style: dashed; }

/* on/off parameters: a square button with a lamp that lights when on */
.knob.toggle { cursor: pointer; }
.knob.toggle .dial { width: 22px; height: 22px; margin: 3px 0; border-radius: 3px; }
.knob.toggle .dial::after {
  left: 6px;
  top: 6px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--edge);
}
.knob.toggle.on .dial::after { background: var(--f-high); }
/* the step a sequencer is on */
.knob.current .dial { border-color: var(--f-high); box-shadow: 0 0 0 1px var(--f-high); }

.inputs { margin-top: auto; }
.outputs { background: var(--panel-out); box-shadow: inset 0 1px var(--edge); }

.jack {
  flex: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--f-med);
  background: var(--background);
  cursor: crosshair;
  touch-action: none;
}
.jack:hover { border-color: var(--f-high); }
.outputs .jack { background: var(--f-low); }