:root {
  --bg: #0a0c16;
  --panel: #12172a;
  --key: #1b2238;
  --key-edge: #2c3556;
  --text: #c8d2e6;
  --dim: #6e7896;
  --amber: #ffbe28;
  --green: #50dc78;
  --red: #e64646;
  --white-key: #e9edf6;
  color-scheme: dark;
  --black-key: #151a2c;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 600 13px/1.2 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-tap-highlight-color: transparent;
  -webkit-user-select: none;
  user-select: none;
  overscroll-behavior: none;
}

#app {
  max-width: 520px;
  margin: 0 auto;
  padding-block: max(8px, env(safe-area-inset-top, 0px)) calc(14px + env(safe-area-inset-bottom, 0px));
  padding-inline: 16px;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2px 0 8px;
}
.brand { font-size: 17px; letter-spacing: .06em; }
.brand b { color: var(--amber); }
#ver { color: var(--dim); font-size: 11px; margin-left: 4px; }
.tag { color: var(--dim); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
[hidden] { display: none !important; }

.btn {
  appearance: none;
  -webkit-appearance: none;
  min-height: 46px;
  padding: 6px 4px;
  background: var(--key);
  border: 1px solid var(--key-edge);
  border-radius: 9px;
  color: var(--text);
  font: inherit;
  font-size: 12px;
  letter-spacing: .02em;
  touch-action: none;
  cursor: pointer;
}
.btn.small { min-height: 34px; padding: 4px 11px; font-size: 11px; }
.btn.on, .btn:active { background: #3a3220; border-color: var(--amber); color: var(--amber); }
.btn.latched { background: #3a3220; border-color: var(--amber); color: var(--amber); }
.btn.live { background: #17382a; border-color: var(--green); color: var(--green); }
.btn.rec { background: #3c1a1e; border-color: var(--red); color: var(--red); }
.btn.tab-active { background: var(--amber); border-color: var(--amber); color: #1a1405; }
.btn.warn { background: #3c1a1e; border-color: var(--red); color: var(--red); }

#screenwrap { position: relative; }
#screen {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  image-rendering: pixelated;
  background: #000;
  border-radius: 8px;
  border: 1px solid var(--key-edge);
}
#start {
  position: absolute;
  inset: 0;
  width: 100%;
  border: 0;
  border-radius: 8px;
  background: rgba(10, 12, 22, .82);
  color: var(--amber);
  font: 700 22px/1 system-ui, sans-serif;
  letter-spacing: .12em;
}
#start.hidden { display: none; }

.row { display: grid; gap: 6px; margin-top: 8px; }
#pages { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; margin-top: 8px; }
#transport { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; margin-top: 8px; }

#nav { display: grid; grid-template-columns: 1fr 96px; gap: 8px; margin-top: 8px; align-items: stretch; }
#dpad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 50px);
  gap: 6px;
}
#dpad .btn { min-height: 0; font-size: 18px; }
#mods { display: grid; grid-template-rows: 1fr 1fr 1fr; gap: 6px; }

#shortcuts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin-top: 8px; }
#shortcuts .btn { font-size: 11px; line-height: 1.15; }
#shortcuts .btn small { display: block; color: var(--dim); font-weight: 500; font-size: 9px; margin-top: 2px; }
#shortcuts .btn.on small { color: var(--amber); }

#keys { margin-top: 10px; }
#pianobar { display: grid; grid-template-columns: 70px 1fr 70px; gap: 6px; align-items: center; margin-bottom: 6px; }
#pianobar .mid { text-align: center; color: var(--dim); font-size: 11px; }
#pianobar .btn { min-height: 34px; }

#piano {
  position: relative;
  display: flex;
  height: 132px;
  touch-action: none;
}
.white {
  flex: 1;
  background: var(--white-key);
  border: 1px solid #9aa3bd;
  border-radius: 0 0 6px 6px;
  color: #707a96;
  font-size: 9px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 4px;
  touch-action: none;
}
.white.on { background: var(--amber); color: #1a1405; }
.black {
  position: absolute;
  top: 0;
  height: 62%;
  width: 5.4%;
  background: var(--black-key);
  border: 1px solid #000;
  border-radius: 0 0 5px 5px;
  z-index: 2;
  touch-action: none;
}
.black.on { background: var(--amber); }

#pads, #stutters { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
#pads { display: none; }
#pads .label { grid-column: 1 / -1; color: var(--dim); font-size: 10px; letter-spacing: .1em; margin: 6px 0 -2px; }
#pads .btn { min-height: 58px; font-size: 12px; }
.pad0 { border-bottom: 4px solid #eb5046; }
.pad1 { border-bottom: 4px solid #f0963c; }
.pad2 { border-bottom: 4px solid #ebd746; }
.pad3 { border-bottom: 4px solid #eb6eaa; }
.pad4 { border-bottom: 4px solid #50d2dc; }
.pad5 { border-bottom: 4px solid #5a82f0; }
.pad6 { border-bottom: 4px solid #6edc78; }
.pad7 { border-bottom: 4px solid #b478f0; }
.stut { border-top: 3px solid var(--red); }

.hint { color: var(--dim); font-size: 10px; font-weight: 500; margin: 12px 2px 0; line-height: 1.4; }

@media (min-width: 700px) {
  #app { max-width: 560px; }
}

#project { margin-top: 14px; }
#project .label { color: var(--dim); font-size: 10px; letter-spacing: .1em; margin-bottom: 6px; }
#autosaved { color: var(--dim); font-weight: 500; letter-spacing: 0; margin-left: 6px; }
#projbtns { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
#projbtns .btn { padding-inline: 2px; font-size: 10px; }
#pastebox { display: grid; gap: 6px; margin-top: 8px; }
#code {
  width: 100%;
  min-width: 0;
  resize: vertical;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--key-edge);
  border-radius: 8px;
  padding: 8px;
  font: 11px/1.3 ui-monospace, Menlo, Consolas, monospace;
  -webkit-user-select: text;
  user-select: text;
}

/* ---------------------------------------------------------------- the front panel view */
.views { display: flex; gap: 6px; }
#panelview { margin-top: 4px; }
#stage { position: relative; width: 100%; overflow: hidden; }
#device {
  position: absolute;
  top: 0;
  width: 600px;
  height: 1056px;
  transform-origin: 0 0;
  background: linear-gradient(180deg, #1b2036 0%, #101424 55%, #0c0f1c 100%);
  border-radius: 22px;
  box-shadow: inset 0 0 0 2px #2a3150, inset 0 2px 0 #3a4268, 0 12px 30px rgba(0, 0, 0, .5);
}
#device > * { position: absolute; }
.legend {
  color: #7d88a8;
  font: 600 10px/12px system-ui, -apple-system, "Segoe UI", sans-serif;
  letter-spacing: .18em;
  text-transform: uppercase;
  white-space: nowrap;
  pointer-events: none;
}
.legend.logo { font: 800 30px/34px system-ui, -apple-system, "Segoe UI", sans-serif; letter-spacing: .12em; color: var(--amber); }

.bezel { background: #04050a; border: 1px solid #2c3556; border-radius: 12px; box-shadow: inset 0 0 0 4px #0b0e1a, 0 1px 0 #3a4268; }
.bezel canvas { position: absolute; width: 300px; height: 300px; image-rendering: pixelated; border-radius: 4px; background: #000; }
.pstart {
  position: absolute;
  inset: 8px;
  border: 0;
  border-radius: 6px;
  background: rgba(10, 12, 22, .85);
  color: var(--amber);
  font: 700 20px/1 system-ui, sans-serif;
  letter-spacing: .12em;
}
.pstart.hidden { display: none; }

.pbtn {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 2px;
  text-align: center;
  padding: 2px;
  background: linear-gradient(#2a3150, #1a2036);
  border: 1px solid #38426a;
  border-radius: 8px;
  color: #d6deef;
  font: 700 11px/1.1 system-ui, -apple-system, "Segoe UI", sans-serif;
  letter-spacing: .05em;
  box-shadow: 0 3px 0 #090b16, inset 0 1px 0 #3b4670;
  touch-action: none;
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
}
.pbtn.on { transform: translateY(2px); box-shadow: 0 1px 0 #090b16; border-color: var(--amber); color: var(--amber); }
.pbtn.latched { border-color: var(--amber); color: var(--amber); background: linear-gradient(#3a3220, #2a2416); }
.pbtn.warn { color: var(--red); }
.pbtn.empty { opacity: .28; pointer-events: none; }
.pbtn.more { font-size: 10px; color: #9aa6c6; }
.pbtn.dp { font-size: 16px; }
.pbtn .leg { pointer-events: none; }
.pbtn .hint { color: #7d88a8; font-weight: 500; font-size: 9px; letter-spacing: .02em; pointer-events: none; }
.pbtn .led { position: absolute; top: 5px; right: 6px; width: 6px; height: 6px; border-radius: 50%; background: #262d4a; pointer-events: none; }
.pbtn.green .led.lit { background: var(--green); box-shadow: 0 0 7px var(--green); }
.pbtn.red .led.lit { background: var(--red); box-shadow: 0 0 7px var(--red); }
.pbtn.amber .led.lit { background: var(--amber); box-shadow: 0 0 7px var(--amber); }
.pbtn { position: absolute; }

.knob, .wheel { touch-action: none; cursor: ns-resize; -webkit-user-select: none; user-select: none; }
.wheel { cursor: ew-resize; }
.knob svg, .wheel svg { display: block; width: 100%; height: 100%; overflow: visible; }
.kb { fill: #0e1222; stroke: #3b4568; stroke-width: 2; }
.hi { fill: #181e36; stroke: #2a3354; stroke-width: 1; }
.tick { stroke: #56608c; stroke-width: 2; }
.ptr { stroke: var(--amber); stroke-width: 5; stroke-linecap: round; }
.dot { fill: var(--amber); }
.klabel {
  text-align: center;
  font: 600 10px/1.15 system-ui, -apple-system, "Segoe UI", sans-serif;
  color: #a9b4d2;
  letter-spacing: .08em;
  text-transform: uppercase;
  pointer-events: none;
}

.pkeys { display: flex; touch-action: none; }
.pkeys .white { height: 124px; }
.pkeys .black { height: 76px; width: 22px; }
.ppads { display: grid; grid-template-columns: repeat(4, 134px); grid-template-rows: 54px 54px 22px 54px 54px; gap: 6px; touch-action: none; }
.ppads .legend { align-self: end; }
.ppad {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(#2a3150, #1a2036);
  border: 1px solid #38426a;
  border-radius: 8px;
  color: #d6deef;
  font: 700 13px/1 system-ui, sans-serif;
  letter-spacing: .06em;
  box-shadow: 0 3px 0 #090b16;
  touch-action: none;
  cursor: pointer;
}
.ppad.on { transform: translateY(2px); box-shadow: none; color: var(--amber); border-color: var(--amber); }

/* the SQ-80 theme: the page takes the screen's electric blue */
body.sq80 { --amber: #4f9bff; --green: #7ec0ff; --red: #d7ebff; --dim: #3b6cb8; --text: #9cc8ff; --key-edge: #1f3d73; --panel: #070d1c; }
body.sq80 .btn.on, body.sq80 .btn:active, body.sq80 .btn.latched { background: #0d2247; }
body.sq80 .btn.tab-active { color: #02060f; }
body.sq80 .ptr, body.sq80 .dot { stroke: #4f9bff; fill: #4f9bff; }
body.sq80 .ptr { fill: none; }
body.sq80 .pad0, body.sq80 .pad1, body.sq80 .pad2, body.sq80 .pad3, body.sq80 .pad4, body.sq80 .pad5, body.sq80 .pad6, body.sq80 .pad7 { border-bottom-color: #3a78d8; }

/* ------------------------------------------------------------------ the editor: tabs, the DEVICE and LIVE tabs */
#app[data-tab="device"], #app[data-tab="live"] { max-width: 1040px; }
.tabs { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; padding: 2px 0 10px; }
.pill { margin-left: auto; padding: 5px 10px; border-radius: 999px; font-size: 11px; letter-spacing: .04em; background: #17382a; color: var(--green); border: 1px solid var(--green); }
.pill.off { background: var(--key); color: var(--dim); border-color: var(--key-edge); }
#app:not([data-tab="visual"]) .viewonly { display: none; }
.tab { display: block; }
.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 12px; margin-bottom: 12px; }
.card { background: var(--panel); border: 1px solid var(--key-edge); border-radius: 12px; padding: 12px 14px; margin-bottom: 12px; -webkit-user-select: text; user-select: text; }
.cols .card { margin-bottom: 0; }
.card h2 { margin: 0 0 8px; font-size: 14px; letter-spacing: .06em; color: var(--amber); }
.card h2 small { color: var(--dim); font-weight: 600; letter-spacing: 0; margin-left: 8px; }
.hint { color: var(--dim); font-size: 12px; line-height: 1.45; margin: 6px 0; font-weight: 500; }
.btn.big { width: 100%; min-height: 48px; font-size: 14px; touch-action: manipulation; }
.btn.acc { border-color: var(--amber); color: var(--amber); }
.btn:disabled { opacity: .4; cursor: default; }
.btn { touch-action: manipulation; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 8px 0; }
.ports { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 10px 0; }
.ports label, label.slot { display: block; color: var(--dim); font-size: 11px; }
.ports select, label.slot select { width: 100%; margin-top: 3px; padding: 7px; background: var(--key); color: var(--text); border: 1px solid var(--key-edge); border-radius: 8px; font: inherit; }
label.slot select { width: 100%; }
.info { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; margin: 8px 0 0; font-size: 12px; }
.info dt { color: var(--dim); } .info dd { margin: 0; }
.progress { height: 8px; background: var(--key); border-radius: 4px; overflow: hidden; margin: 8px 0 4px; }
.progress div { height: 100%; width: 0; background: var(--amber); transition: width .1s linear; }
.log { height: 170px; overflow: auto; margin: 0; padding: 8px; background: #070914; border-radius: 8px; color: #9fb0d0; font: 12px/1.5 ui-monospace, Consolas, monospace; white-space: pre-wrap; }
#l-panel { display: block; width: 100%; background: #0e1014; border-radius: 12px; }
.demos { margin-top: 10px; }
#demobtns { display: flex; flex-wrap: wrap; gap: 6px; }