/* Layout: a single tape-deck "faceplate" column, phone-first, panels stacked like deck sections.
   Color: putty plastic body, cream panels, tape-orange accent, VU-meter mustard, record red. */
:root {
  --deck: #d7d8cc;        /* plastic body */
  --panel: #f1f0e6;       /* faceplate panels */
  --ink: #1f211c;
  --ink-soft: #5b5e52;
  --line: #b9bbac;
  --accent: #bf4d0e;      /* tape orange (dark enough for light text on it) */
  --accent-text: #9a3d0a; /* orange for text on light surfaces */
  --bar-hl: #e3ad2c;      /* highlights on the inverted prompt/studio bar */
  --bar-urgent: #ff7a6b;  /* last-10-seconds red on that bar */
  --accent-ink: #fff8ef;
  --meter: #e3ad2c;       /* VU mustard */
  --rec: #cf3326;         /* record red */
  --key-face: #fbfaf4;
  --key-edge: #9fa194;
  --shadow: rgba(31, 33, 28, .18);
  --t-chords: #c2510f;    /* track colors: tape orange, teal, cobalt, mustard */
  --t-melody: #1f7a78;
  --t-bass: #3557a6;
  --t-drums: #a8740c;
  --roll-bg: #e7e6da;
  --roll-out: #dad9cc;
  --roll-line: rgba(31, 33, 28, .08);
  --roll-beat: rgba(31, 33, 28, .16);
  --roll-bar: rgba(31, 33, 28, .38);

  --display: "Permanent Marker", "Marker Felt", "Comic Sans MS", cursive;
  --body: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;

  --radius: 10px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --deck: #1c1d1a;
    --panel: #282a25;
    --ink: #ebe9dd;
    --ink-soft: #a6a898;
    --line: #3d4037;
    --accent: #ff7d3a;
    --accent-text: #ff8a4d;
    --bar-hl: #7a4f00;
    --bar-urgent: #a52217;
    --accent-ink: #1c1206;
    --meter: #f0c04a;
    --rec: #ff5a4a;
    --key-face: #33362f;
    --key-edge: #121310;
    --shadow: rgba(0, 0, 0, .45);
    --t-chords: #ff8a4d;
    --t-melody: #4cc2bd;
    --t-bass: #7d9cf0;
    --t-drums: #f0c04a;
    --roll-bg: #22241f;
    --roll-out: #1b1c19;
    --roll-line: rgba(235, 233, 221, .06);
    --roll-beat: rgba(235, 233, 221, .13);
    --roll-bar: rgba(235, 233, 221, .32);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --deck: #1c1d1a;
  --panel: #282a25;
  --ink: #ebe9dd;
  --ink-soft: #a6a898;
  --line: #3d4037;
  --accent: #ff7d3a;
  --accent-text: #ff8a4d;
  --bar-hl: #7a4f00;
  --bar-urgent: #a52217;
  --accent-ink: #1c1206;
  --meter: #f0c04a;
  --rec: #ff5a4a;
  --key-face: #33362f;
  --key-edge: #121310;
  --shadow: rgba(0, 0, 0, .45);
  --t-chords: #ff8a4d;
  --t-melody: #4cc2bd;
  --t-bass: #7d9cf0;
  --t-drums: #f0c04a;
  --roll-bg: #22241f;
  --roll-out: #1b1c19;
  --roll-line: rgba(235, 233, 221, .06);
  --roll-beat: rgba(235, 233, 221, .13);
  --roll-bar: rgba(235, 233, 221, .32);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--deck);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.45;
  -webkit-tap-highlight-color: transparent;
}
[hidden] { display: none !important; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.app {
  max-width: 560px;
  margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
  padding-block: 16px 24px;
  display: grid;
  gap: 14px;
}

/* Cassette-label header */
.label {
  background: var(--panel);
  border-radius: var(--radius);
  padding: 14px 16px 12px;
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.label::after {
  /* the colored stripe on a cassette J-card */
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--accent) 0 60%, var(--meter) 60% 80%, var(--rec) 80%);
}
.label h1 {
  margin: 0;
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(1.8rem, 8vw, 2.4rem);
  line-height: 1;
  letter-spacing: .01em;
}
.label p { margin: 4px 0 8px; color: var(--ink-soft); font-size: .9rem; }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  display: grid;
  gap: 12px;
}
.panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.panel h2 {
  margin: 0;
  font-family: var(--mono);
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.hint { margin: 0; font-size: .82rem; color: var(--ink-soft); }

/* Tactile keys: raised face with a bottom edge that compresses on press */
.key {
  appearance: none;
  border: 1px solid var(--key-edge);
  border-bottom-width: 4px;
  background: var(--key-face);
  border-radius: 8px;
  min-height: 44px;
  cursor: pointer;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  transition: transform .06s, border-bottom-width .06s;
}
.key:active, .key.pressed { transform: translateY(2px); border-bottom-width: 2px; }
.key[aria-checked="true"], .key.selected {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: color-mix(in srgb, var(--accent) 60%, #000);
}

.keys {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 6px;
}
.keys .key { font-weight: 600; font-size: 1rem; padding: 0; }

.seg {
  display: inline-flex;
  border: 1px solid var(--key-edge);
  border-radius: 999px;
  padding: 3px;
  background: var(--deck);
}
.seg button {
  appearance: none;
  border: 0;
  background: none;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 34px;
}
.seg button[aria-checked="true"] { background: var(--ink); color: var(--panel); }

/* Chord palette */
.palette {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
@media (min-width: 480px) { .palette { grid-template-columns: repeat(7, 1fr); } }
.chord {
  width: 100%;
  position: relative;
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 2px;
  padding: 10px 4px 8px;
  min-height: 78px;
}
.chord .roman {
  font-family: var(--mono);
  font-size: .72rem;
  color: var(--ink-soft);
}
.chord .name { font-size: 1.15rem; font-weight: 700; line-height: 1.1; }
.chord .notes { font-family: var(--mono); font-size: .62rem; color: var(--ink-soft); }
.chord.selected .roman, .chord.selected .notes { color: inherit; opacity: .85; }
.chord.changed .name::after {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  margin-left: 3px;
  border-radius: 50%;
  background: var(--meter);
  vertical-align: super;
}
.more {
  position: absolute;
  top: -7px; right: -7px;
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 1px solid var(--key-edge);
  background: var(--panel);
  color: var(--ink);
  font-size: .8rem;
  line-height: 1;
  display: grid;
  place-items: center;
  cursor: pointer;
  padding: 0;
}
.more::before { content: ""; position: absolute; inset: -9px; } /* bigger touch target */

/* Variant sheet */
dialog.sheet {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
  color: var(--ink);
  padding: 16px;
  width: min(520px, calc(100vw - 24px));
  max-height: 80vh;
}
dialog.sheet::backdrop { background: rgba(10, 10, 8, .45); }
@media (max-width: 600px) {
  dialog.sheet {
    margin: auto auto 0;
    border-radius: 16px 16px 0 0;
    width: 100vw;
    max-width: 100vw;
    padding-bottom: max(16px, env(safe-area-inset-bottom, 0px));
  }
}
.sheet-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 12px; }
.sheet-head h3 { margin: 0; font-size: 1.2rem; }
.variants { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 8px; }
.variant { display: grid; gap: 2px; padding: 10px 8px; text-align: left; }
.variant .name { font-weight: 700; }
.variant .notes { font-family: var(--mono); font-size: .72rem; color: var(--ink-soft); }
.variant[aria-checked="true"] .notes { color: inherit; opacity: .85; }
.text-btn {
  appearance: none;
  border: 0;
  background: none;
  font-weight: 600;
  color: var(--accent-text);
  cursor: pointer;
  padding: 8px;
  min-height: 44px;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 8px 16px;
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--ink-soft);
  padding-top: 4px;
}
.footer a { color: inherit; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* Sound controls */
.synths { display: grid; grid-template-columns: repeat(auto-fit, minmax(96px, 1fr)); gap: 6px; }
.synth { font-size: .85rem; font-weight: 600; padding: 8px 6px; }
.knobs { display: grid; grid-template-columns: 1fr 1fr auto; gap: 12px 16px; align-items: end; }
@media (max-width: 420px) { .knobs { grid-template-columns: 1fr 1fr; } }
.knob { display: grid; gap: 4px; font-size: .82rem; color: var(--ink-soft); }
.knob output { font-family: var(--mono); color: var(--ink); font-variant-numeric: tabular-nums; }
input[type="range"] { width: 100%; accent-color: var(--accent); min-height: 32px; }
.switch { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: .9rem; min-height: 44px; cursor: pointer; }
.switch input { width: 22px; height: 22px; accent-color: var(--accent); }

/* Transport */
.play { padding: 0 22px; font-weight: 700; min-width: 120px; min-height: 52px; font-size: 1.05rem; }
.play[aria-pressed="true"] { background: var(--ink); color: var(--panel); border-color: var(--ink); }

.chord { touch-action: none; }
.hint.nudge { animation: nudge .35s; color: var(--accent-text); }
@keyframes nudge { 25% { transform: translateX(-4px); } 75% { transform: translateX(4px); } }

.ghost {
  position: fixed;
  top: 0; left: 0;
  z-index: 50;
  pointer-events: none;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  padding: 8px 14px;
  border-radius: 8px;
  box-shadow: 0 8px 20px var(--shadow);
}
body.dragging { cursor: grabbing; user-select: none; -webkit-user-select: none; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Drum pickers */
.opts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.opt { font-size: .85rem; font-weight: 600; padding: 8px 4px; }
.opts.off { opacity: .45; }
.opt:disabled { cursor: not-allowed; }

/* ---------- Screens ---------- */
.screen { display: grid; gap: 14px; }
.center { text-align: center; }
.actions { display: grid; gap: 10px; justify-items: center; }

.big-btn {
  appearance: none;
  width: 100%;
  min-height: 64px;
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, var(--accent) 60%, #000);
  border-bottom-width: 6px;
  background: var(--accent);
  color: var(--accent-ink);
  font-family: var(--display);
  font-size: 1.7rem;
  letter-spacing: .02em;
  cursor: pointer;
  touch-action: manipulation;
  transition: transform .06s, border-bottom-width .06s;
}
.big-btn:active { transform: translateY(3px); border-bottom-width: 3px; }
.big-btn:disabled { opacity: .6; cursor: progress; }
.key.wide { width: 100%; font-weight: 600; }

.mini-switch { display: inline-flex; align-items: center; gap: 6px; font-family: var(--mono); font-size: .75rem; cursor: pointer; min-height: 32px; }
.mini-switch input { width: 18px; height: 18px; accent-color: var(--accent); margin: 0; }

/* Reels: three slot-machine windows */
.reels { display: grid; gap: 10px; }
.reel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px 12px 12px;
  display: grid;
  gap: 8px;
}
.reel-head { display: flex; align-items: center; gap: 10px; }
.reel-label {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-right: auto;
}
.lock {
  appearance: none;
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--key-edge);
  background: var(--key-face);
  color: var(--ink-soft);
  display: grid;
  place-items: center;
  cursor: pointer;
  padding: 0;
}
.lock svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
.lock .i-shut, .lock[aria-pressed="true"] .i-open { display: none; }
.lock[aria-pressed="true"] .i-shut { display: block; }
.lock[aria-pressed="true"] { background: var(--ink); color: var(--panel); border-color: var(--ink); }
.reel-window {
  appearance: none;
  width: 100%;
  min-height: 64px;
  border-radius: 8px;
  border: 1px solid var(--key-edge);
  /* a little tape-window gloss: darker at the edges like a curved reel */
  background:
    linear-gradient(to bottom, var(--shadow), transparent 22%, transparent 78%, var(--shadow)),
    var(--key-face);
  color: var(--ink);
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.25;
  padding: 10px 12px;
  cursor: pointer;
  overflow: hidden;
  text-wrap: balance;
}
.reel-text { display: block; }
.reel.spinning .reel-text { filter: blur(.6px); opacity: .75; }
.reel.locked .reel-window { border-style: dashed; cursor: default; }
.reel.off .reel-window { opacity: .45; }
.reel.landed .reel-text { animation: land .28s cubic-bezier(.2, 1.6, .4, 1); }
@keyframes land { from { transform: translateY(-40%); } to { transform: none; } }

.prompt-card {
  background: var(--ink);
  color: var(--panel);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.prompt-line { margin: 0; font-size: 1.2rem; font-weight: 600; line-height: 1.35; text-wrap: balance; }
.prompt-line b { color: var(--bar-hl); font-weight: 700; }
.constraint-line { margin: 8px 0 0; font-family: var(--mono); font-size: .8rem; opacity: .85; }
.constraint-line:empty { display: none; }

/* Studio bar: prompt + countdown, pinned to the top while you work */
.studio-bar {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 10px;
  background: var(--ink);
  color: var(--panel);
  border-radius: var(--radius);
  padding: 8px 10px 8px 14px;
  box-shadow: 0 6px 16px var(--shadow);
}
.studio-prompt {
  margin: 0;
  font-size: .85rem;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-width: 0;
}
.studio-prompt b { color: var(--bar-hl); }
.clock { position: relative; width: 52px; height: 52px; }
.clock svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.clock circle { fill: none; stroke-width: 5; }
.clock-track { stroke: color-mix(in srgb, var(--panel) 20%, transparent); }
.clock-fill {
  stroke: var(--bar-hl);
  stroke-linecap: round;
  stroke-dasharray: 119.38;
  stroke-dashoffset: 0;
}
.clock-text {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-weight: 500;
  font-size: 1rem;
  font-variant-numeric: tabular-nums;
}
.clock.urgent .clock-fill { stroke: var(--bar-urgent); }
.clock.urgent .clock-text { color: var(--bar-urgent); }
.clock.urgent { animation: pulse 1s ease-in-out infinite; }
@keyframes pulse { 50% { transform: scale(1.08); } }
.clock.untimed .clock-text { font-size: 1.3rem; }
.finish { min-height: 40px; padding: 0 12px; font-weight: 700; font-size: .85rem; color: var(--ink); }

.studio { display: grid; gap: 14px; }
.studio.locked { opacity: .55; filter: saturate(.6); }

.time-up {
  position: fixed;
  left: 50%;
  bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  transform: translateX(-50%);
  z-index: 40;
  width: min(420px, calc(100vw - 32px));
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: 14px;
  padding: 14px 16px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 0 12px;
  box-shadow: 0 10px 30px var(--shadow);
}
.time-up p { margin: 0; }
.time-up-title { font-family: var(--display); font-size: 1.8rem; line-height: 1; }
.time-up .text-btn { grid-row: 1 / 3; grid-column: 2; color: var(--accent-ink); text-decoration: underline; }

/* Result: a cassette J-card */
.jcard {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 16px 20px;
  display: grid;
  gap: 10px;
  position: relative;
  overflow: hidden;
}
.jcard::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 10px;
  background: linear-gradient(var(--accent) 0 60%, var(--meter) 60% 80%, var(--rec) 80%);
}
.jcard > * { margin-left: 8px; }
.jcard-label { font-family: var(--mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-soft); }
.jcard-title {
  font-family: var(--display);
  font-size: clamp(1.8rem, 8vw, 2.4rem);
  line-height: 1.1;
  border: 0;
  border-bottom: 2px dashed var(--line);
  background: transparent;
  color: var(--ink);
  padding: 4px 0;
  width: calc(100% - 8px);
  min-width: 0;
  resize: none;
  overflow: hidden;
  display: block;
}
.jcard-title:focus { outline: none; border-bottom-color: var(--accent); }
.jcard-prompt { margin: 0; color: var(--ink-soft); }
.jcard-specs { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; font-size: .9rem; }
.jcard-specs dt { font-family: var(--mono); font-size: .75rem; color: var(--ink-soft); padding-top: 2px; }
.jcard-specs dd { margin: 0; font-weight: 600; }

/* Result + listen actions */
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; width: 100%; }
.status { margin: 0; min-height: 1.4em; font-size: .88rem; color: var(--ink-soft); text-align: center; width: 100%; }
.copy-field { display: grid; gap: 4px; text-align: left; font-family: var(--mono); font-size: .75rem; }
.copy-field input {
  width: 100%;
  font: inherit;
  font-size: .85rem;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--key-edge);
  background: var(--key-face);
  color: var(--ink);
}
.jcard-title.as-text { margin: 0; border-bottom-style: solid; }

.screens { display: grid; gap: 14px; }

/* Instrument downloading its samples */
.key.loading { position: relative; color: var(--ink-soft); }
.key.loading::after {
  content: "";
  position: absolute;
  left: 10%; right: 10%; bottom: 4px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  background-size: 200% 100%;
  animation: loadbar 1s linear infinite;
}
@keyframes loadbar { from { background-position: 100% 0; } to { background-position: -100% 0; } }

.credits h2 { margin: 6px 0 0; font-size: 1rem; }
.credits p { margin: 0; max-width: 60ch; }
.credits a { color: var(--accent-text); }

/* ---------- DAW studio ---------- */
.app.wide { max-width: 1360px; }
.studio { display: grid; gap: 14px; }
.studio-side { display: grid; gap: 14px; align-content: start; }
@media (min-width: 1000px) {
  .studio { grid-template-columns: 380px minmax(0, 1fr); align-items: start; }
  .editor-panel { position: sticky; top: calc(84px + env(safe-area-inset-top, 0px)); }
}

.transport-panel { gap: 10px; }
.transport-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.transport-panel .play { min-height: 46px; min-width: 104px; }
.pos {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.25rem;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--ink);
  color: var(--bar-hl);
  min-width: 64px;
  text-align: center;
}
.undo { display: flex; gap: 6px; margin-left: auto; }
.key.icon { width: 40px; min-height: 40px; padding: 0; font-size: 1.15rem; font-weight: 700; }
.key:disabled { opacity: .45; cursor: default; }
.mini-label { font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); }
.knobs.three { grid-template-columns: repeat(3, 1fr); }

/* Track list doubles as the mixer */
.tracks { display: grid; gap: 6px; }
.track-row {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr) 30px 30px;
  grid-template-areas: "name inst m s" "vol vol vol vol";
  gap: 4px 6px;
  align-items: center;
  padding: 6px 8px;
  border-radius: 8px;
  border-left: 5px solid var(--tc, var(--line));
  background: var(--deck);
}
.track-row.current { background: color-mix(in srgb, var(--tc) 16%, var(--panel)); outline: 1px solid var(--tc); }
.t-chords { --tc: var(--t-chords); }
.t-melody { --tc: var(--t-melody); }
.t-bass { --tc: var(--t-bass); }
.t-drums { --tc: var(--t-drums); }
.track-name {
  grid-area: name;
  appearance: none;
  border: 0;
  background: none;
  font-weight: 700;
  text-align: left;
  padding: 6px 0;
  cursor: pointer;
  min-height: 36px;
}
.track-row select.inst { grid-area: inst; min-width: 0; }
.track-row [data-mute] { grid-area: m; }
.track-row [data-solo] { grid-area: s; }
.track-row .vol { grid-area: vol; min-height: 24px; accent-color: var(--tc); }
select {
  font: inherit;
  font-size: .85rem;
  padding: 6px 8px;
  border-radius: 6px;
  border: 1px solid var(--key-edge);
  background: var(--key-face);
  color: var(--ink);
  min-height: 34px;
}
select.loading { color: var(--ink-soft); }
.ms {
  appearance: none;
  height: 30px;
  border-radius: 6px;
  border: 1px solid var(--key-edge);
  background: var(--key-face);
  color: var(--ink);
  font-family: var(--mono);
  font-weight: 500;
  cursor: pointer;
  padding: 0;
}
.ms[aria-pressed="true"] { background: var(--rec); border-color: var(--rec); color: #fff; }
.ms.solo[aria-pressed="true"] { background: var(--meter); border-color: var(--meter); color: #1f211c; }

/* Editor */
.editor-panel { min-width: 0; }
.editor-head { align-items: center; }
.tools, .presets { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.key.small { min-height: 34px; padding: 0 10px; font-size: .8rem; font-weight: 600; }
.key.small.current { background: var(--ink); color: var(--panel); border-color: var(--ink); }
.chip { font-family: var(--mono); font-size: .72rem; padding: 6px 10px; border-radius: 999px; background: var(--deck); color: var(--ink-soft); }
.mini-field { display: inline-flex; align-items: center; gap: 6px; font-size: .8rem; color: var(--ink-soft); }
.editor-foot { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.zoom { display: flex; gap: 6px; }

.roll-scroll {
  position: relative;
  overflow: auto;
  max-height: min(62vh, 560px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--roll-bg);
  overscroll-behavior: contain;
}
.roll-scroll[data-track="drums"] { max-height: none; }
.roll-inner {
  position: relative;
  display: grid;
  grid-template-columns: var(--keys) auto;
  grid-auto-rows: auto;
}
.corner, .lane-label, .keys, .drum-label {
  position: sticky;
  left: 0;
  z-index: 3;
  background: var(--panel);
}
.corner { top: 0; z-index: 5; height: var(--ruler); border-bottom: 1px solid var(--line); }
.ruler {
  position: sticky;
  top: 0;
  z-index: 4;
  height: var(--ruler);
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: .7rem;
  color: var(--ink-soft);
}
.ruler span { position: absolute; top: 4px; padding-left: 5px; border-left: 1px solid var(--roll-bar); height: 14px; line-height: 14px; }
.lane-label {
  top: var(--ruler);
  z-index: 5;
  height: var(--lane);
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: .62rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
}
.chord-lane {
  position: sticky;
  top: var(--ruler);
  z-index: 2;
  height: var(--lane);
  background:
    linear-gradient(to right, var(--roll-bar) 1px, transparent 1px) 0 0 / calc(var(--step) * 16) 100%,
    linear-gradient(to right, var(--roll-beat) 1px, transparent 1px) 0 0 / calc(var(--step) * 4) 100%,
    var(--deck);
  border-bottom: 1px solid var(--line);
  touch-action: pan-x pan-y;
}
.block {
  position: absolute;
  top: 4px;
  bottom: 4px;
  border-radius: 6px;
  background: var(--t-chords);
  color: #fff8ef;
  display: flex;
  align-items: baseline;
  gap: 5px;
  padding: 4px 12px 0 7px;
  overflow: hidden;
  white-space: nowrap;
  cursor: grab;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  box-shadow: inset 0 -3px 0 rgba(0, 0, 0, .18);
}
.block .b-name { font-weight: 700; font-size: .9rem; }
.block .b-roman { font-family: var(--mono); font-size: .66rem; opacity: .85; }
.block.pinned .b-name::after { content: " •"; color: var(--meter); }
.block.selected { outline: 2px solid var(--ink); outline-offset: 1px; overflow: visible; z-index: 2; }
.block.leaving { opacity: .35; }
.b-edge { position: absolute; top: 0; right: 0; bottom: 0; width: 10px; cursor: ew-resize; background: rgba(0, 0, 0, .15); }
.block-tools {
  position: absolute;
  top: 2px;
  z-index: 3;
  display: flex;
  gap: 4px;
  transform: translateX(-100%);
  padding-right: 4px;
}
.b-x, .b-more {
  position: relative;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--key-edge);
  background: var(--panel);
  color: var(--ink);
  font-size: .8rem;
  line-height: 1;
  padding: 0;
  display: grid;
  place-items: center;
  cursor: pointer;
}


.keys { position: sticky; left: 0; z-index: 3; }
.pkey {
  position: absolute;
  left: 0;
  right: 0;
  height: var(--row);
  font-family: var(--mono);
  font-size: .6rem;
  line-height: var(--row);
  padding-left: 4px;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--roll-line);
}
.pkey.black { background: var(--roll-out); }
.pkey.white { background: var(--key-face); }
.pkey.tonic { color: var(--accent-text); font-weight: 500; }
.grid { position: relative; touch-action: none; cursor: crosshair; outline-offset: -3px; }
[data-track="chords"] .grid { cursor: default; }
.rows, .lines { position: absolute; inset: 0; pointer-events: none; }
.prow { position: absolute; left: 0; right: 0; height: var(--row); }
.prow.out { background: var(--roll-out); }
.prow.c { box-shadow: inset 0 -1px 0 var(--roll-beat); }
.prow.tonic { background: color-mix(in srgb, var(--t-chords) 7%, transparent); }
.lines {
  background:
    linear-gradient(to right, var(--roll-bar) 1px, transparent 1px) 0 0 / calc(var(--step) * 16) 100%,
    linear-gradient(to right, var(--roll-beat) 1px, transparent 1px) 0 0 / calc(var(--step) * 4) 100%,
    linear-gradient(to right, var(--roll-line) 1px, transparent 1px) 0 0 / var(--step) 100%;
}
.note {
  position: absolute;
  height: calc(var(--row) - 2px);
  margin-top: 1px;
  border-radius: 3px;
  background: var(--tn, var(--t-melody));
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, .2);
  cursor: grab;
}
[data-track="melody"] .note { --tn: var(--t-melody); }
[data-track="bass"] .note { --tn: var(--t-bass); }
[data-track="chords"] .note { --tn: var(--t-chords); cursor: ns-resize; }
.note.auto { opacity: .55; background: repeating-linear-gradient(135deg, var(--tn) 0 6px, color-mix(in srgb, var(--tn) 70%, transparent) 6px 12px); }
.note.selected { outline: 2px solid var(--ink); outline-offset: 1px; z-index: 2; }
.n-edge { position: absolute; top: 0; right: 0; bottom: 0; width: 7px; cursor: ew-resize; }
[data-track="chords"] .n-edge { display: none; }

.playhead {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: var(--rec);
  z-index: 6;
  pointer-events: none;
  opacity: 0;
  will-change: transform;
}

/* Drum steps */
.drum-grid { display: contents; }
.drum-label {
  display: flex;
  align-items: center;
  padding-left: 8px;
  font-size: .78rem;
  font-weight: 600;
  height: 36px;
  border-bottom: 1px solid var(--line);
}
.drum-row { display: flex; height: 36px; border-bottom: 1px solid var(--line); touch-action: pan-x pan-y; }
.cell {
  appearance: none;
  flex: 0 0 var(--step);
  height: 100%;
  border: 0;
  border-left: 1px solid var(--roll-line);
  background: transparent;
  padding: 0;
  cursor: pointer;
  position: relative;
}
.cell.beat { border-left-color: var(--roll-beat); }
.cell.bar { border-left-color: var(--roll-bar); }
.cell::after {
  content: "";
  position: absolute;
  inset: 7px 3px;
  border-radius: 4px;
  background: transparent;
}
.cell.c-o::after { background: color-mix(in srgb, var(--t-drums) 70%, transparent); }
.cell.c-x::after { background: var(--t-drums); box-shadow: 0 0 0 2px var(--ink) inset; }
.cell.c-g::after { background: color-mix(in srgb, var(--t-drums) 35%, transparent); }
.cell:hover::after { outline: 1px solid var(--t-drums); }

/* Variant sheet extras */
.degree-row { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; margin-bottom: 10px; }
.degree-row .opt { display: grid; gap: 1px; padding: 6px 2px; font-family: var(--mono); font-size: .8rem; }
.degree-row small { font-family: var(--body); font-size: .68rem; color: inherit; opacity: .8; }
.variants-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 8px; margin-bottom: 8px; }
.ghost.over { background: var(--ink); color: var(--panel); }

@media (max-width: 560px) {
  .knobs.three { grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
  .knob { font-size: .74rem; }
  .editor-head { flex-direction: column; align-items: flex-start; }
}

/* Sidebar on wide screens: keep everything inside its column */
.studio-side, .studio-side > .panel { min-width: 0; }
@media (min-width: 1000px) {
  .studio { grid-template-columns: 400px minmax(0, 1fr); }
  .studio-side .palette { grid-template-columns: repeat(4, 1fr); }
}
.transport-panel .knobs.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* One column (phones, tablets): put the editor right under the palette you drag from. */
@media (max-width: 999px) {
  .studio-side { display: contents; }
  .transport-panel { order: 1; }
  .studio-side > .panel:has(#palette) { order: 2; }
  .editor-panel { order: 3; }
  .studio-side > .panel:has(#tracks) { order: 4; }
  .studio-side > .panel:has(#keys) { order: 5; }
}