/* fufem — a room for rhythm */

:root {
  --butter: #f3dc94;
  --butter-hi: #faeec6;
  --butter-deep: #e8c86f;
  --butter-dim: #c9b57b;
  --verm: #e8502a;
  --verm-hot: #ff6a3d;
  --verm-deep: #b93a17;
  --ink: #1f1a17;
  --ink-2: #3a312a;
  --pad: clamp(16px, 3.4vw, 52px);
  --round: ui-rounded, "SF Pro Rounded", "Nunito", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  background: var(--butter);
  color: var(--ink);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.4;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
}

button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }

:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 3px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0; border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip {
  position: absolute;
  left: var(--pad);
  top: -60px;
  z-index: 20;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--butter-hi);
  font-weight: 700;
  text-decoration: none;
}
.skip:focus { top: 12px; }
.skip:focus-visible { outline-color: var(--verm); }

.room {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ------------------------------------------------------------ masthead -- */
.masthead {
  display: flex;
  align-items: center;
  gap: 12px 28px;
  padding: 12px var(--pad) 4px;
}

.brand {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--round);
  font-size: 22px;
  line-height: 1;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.brand-name { font-weight: 900; }
.brand-line { font-weight: 600; font-size: 15px; color: var(--ink-2); }

.hint {
  margin: 0;
  flex: 1 1 auto;
  font-size: 15px;
  color: var(--ink-2);
  max-width: 44ch;
}

.switches {
  display: flex;
  gap: 8px;
  margin-left: auto;
}

.switch {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 40px;
  padding: 0 14px 0 11px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: transparent;
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
  transition: background-color 0.15s, color 0.15s;
}
.switch:hover { background: var(--butter-hi); }
.switch-icon { width: 20px; height: 20px; flex: none; }
.switch .state {
  min-width: 2.2ch;
  font-weight: 800;
}
.switch[aria-pressed="true"] { background: var(--ink); color: var(--butter-hi); }
.switch[aria-pressed="true"]:hover { background: var(--ink-2); }

/* --------------------------------------------------------------- stage -- */
.stage {
  position: relative;
  height: clamp(200px, min(35vh, 27vw + 40px), 400px);
  overflow: hidden;
  background: var(--butter);
}

#stage-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: manipulation;
}
html:not([data-stage="canvas"]) #stage-canvas { visibility: hidden; }

#stage-fallback {
  position: absolute;
  left: var(--pad);
  right: var(--pad);
  top: 8px;
  bottom: 7%;
  width: calc(100% - 2 * var(--pad));
  height: auto;
  overflow: hidden;
}
.stage::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 7%;
  background: var(--ink);
}
html[data-stage="canvas"] #stage-fallback,
html[data-stage="canvas"] .stage::after { display: none; }

/* ------------------------------------------------------ floor + console -- */
.floor {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 18px clamp(24px, 4vw, 64px);
  padding: 4px var(--pad) 20px;
  background: var(--ink);
  color: var(--butter-hi);
}
.floor :focus-visible { outline-color: var(--butter-hi); }

.console {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.2vw, 30px);
}

.play {
  flex: none;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 2px;
  width: 108px;
  height: 108px;
  border: 0;
  border-radius: 50%;
  background: var(--verm);
  color: var(--ink);
  box-shadow: 0 6px 0 var(--verm-deep);
  transform: translateY(-3px);
  transition: transform 0.08s ease-out, box-shadow 0.08s ease-out, background-color 0.15s;
}
.play:hover { background: var(--verm-hot); }
.play:active { transform: translateY(2px); box-shadow: 0 1px 0 var(--verm-deep); }
.play-icon { width: 44px; height: 44px; fill: currentColor; }
.play-icon .i-stop { display: none; }
[data-playing="true"] .play-icon .i-stop { display: inline; }
[data-playing="true"] .play-icon .i-play { display: none; }
.play-label {
  font-family: var(--round);
  font-size: 17px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.02em;
}

.sound {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 52px;
  padding: 0 20px 0 16px;
  border: 2px solid var(--butter-hi);
  border-radius: 999px;
  background: transparent;
  color: var(--butter-hi);
  font-size: 17px;
  font-weight: 800;
  white-space: nowrap;
  position: relative;
  transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}
.sound:hover { background: var(--ink-2); }
.sound-icon { width: 26px; height: 22px; }
.sound .i-waves { display: none; }
.sound[aria-pressed="true"] { background: var(--verm); border-color: var(--verm); color: var(--ink); }
.sound[aria-pressed="true"]:hover { background: var(--verm-hot); }
.sound[aria-pressed="true"] .i-waves { display: inline; }
.sound[aria-pressed="true"] .i-mute { display: none; }
.sound .state { min-width: 2.2ch; }

/* A gentle nudge when the beat runs silently. */
[data-playing="true"][data-sound="off"][data-motion="full"] .sound::after {
  content: "";
  position: absolute;
  inset: -7px;
  border: 2px solid var(--verm);
  border-radius: 999px;
  animation: nudge 1.3s ease-out infinite;
  pointer-events: none;
}
@keyframes nudge {
  0% { opacity: 1; transform: scale(0.96); }
  100% { opacity: 0; transform: scale(1.12); }
}

.tempo {
  display: grid;
  grid-template-columns: auto auto auto;
  grid-template-rows: auto auto auto;
  align-items: center;
  column-gap: 12px;
  row-gap: 2px;
  min-width: 0;
}
.tempo-head {
  grid-column: 1 / -1;
  grid-row: 1;
  justify-self: center;
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.tempo-label { color: var(--butter-dim); }
.tempo-read {
  grid-column: 2;
  grid-row: 2;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  font-family: var(--round);
  line-height: 0.8;
  padding-top: 6px;
}
#bpm-readout {
  display: inline-block;
  min-width: 2.7ch;
  text-align: center;
  font-size: clamp(60px, 6.6vw, 96px);
  font-weight: 900;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
  color: var(--butter-hi);
}
.bpm-unit {
  font-weight: 800;
  color: var(--verm);
}
.bpm-inline { display: none; font-size: 14px; }
.tempo-row { display: contents; }
#slower { grid-column: 1; grid-row: 2; }
#faster { grid-column: 3; grid-row: 2; }
#tempo { grid-column: 1 / -1; grid-row: 3; }

.nudge {
  flex: none;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 2px solid var(--butter-hi);
  border-radius: 50%;
  background: transparent;
  color: var(--butter-hi);
  touch-action: manipulation;
}
.nudge svg { width: 18px; height: 18px; }
.nudge:hover { background: var(--ink-2); }
.nudge:active { background: var(--butter-hi); color: var(--ink); }

/* Tempo rail */
#tempo {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 40px;
  margin: 0;
  background: transparent;
  cursor: pointer;
  touch-action: pan-y;
}
#tempo::-webkit-slider-runnable-track {
  height: 8px;
  border-radius: 8px;
  background: var(--ink-2);
  box-shadow: inset 0 0 0 2px var(--butter-dim);
}
#tempo::-moz-range-track {
  height: 8px;
  border-radius: 8px;
  background: var(--ink-2);
  box-shadow: inset 0 0 0 2px var(--butter-dim);
}
#tempo::-moz-range-progress {
  height: 8px;
  border-radius: 8px;
  background: var(--verm);
}
#tempo::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 30px;
  height: 30px;
  margin-top: -11px;
  border: 3px solid var(--ink);
  border-radius: 50%;
  background: var(--verm);
  box-shadow: 0 0 0 2px var(--butter-hi);
}
#tempo::-moz-range-thumb {
  width: 26px;
  height: 26px;
  border: 3px solid var(--ink);
  border-radius: 50%;
  background: var(--verm);
  box-shadow: 0 0 0 2px var(--butter-hi);
}
#tempo:focus-visible { outline-offset: 0; border-radius: 12px; }

/* Patterns */
.patterns {
  display: grid;
  grid-template-columns: repeat(3, auto);
  justify-content: end;
  align-items: end;
  column-gap: clamp(14px, 2.2vw, 36px);
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}
.patterns-legend {
  float: left;
  grid-column: 1 / -1;
  margin: 0 0 2px 4px;
  padding: 0;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--butter-dim);
}
.pattern {
  position: relative;
  display: grid;
  gap: 2px;
  padding: 6px 4px 10px;
  cursor: pointer;
  color: var(--butter-dim);
  transition: color 0.15s;
}
.pattern input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}
.pattern-no {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.1em;
}
.pattern-name {
  font-family: var(--round);
  font-size: clamp(28px, 2.7vw, 42px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.02em;
}
.pattern-mood {
  position: absolute;
  left: 4px;
  top: 100%;
  margin-top: 6px;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
  color: var(--butter-dim);
  opacity: 0;
  transition: opacity 0.2s;
}
.pattern:has(input:checked) .pattern-mood { opacity: 1; }
.pattern::after {
  content: "";
  position: absolute;
  left: 4px; right: 4px; bottom: 0;
  height: 5px;
  border-radius: 5px;
  background: var(--verm);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s cubic-bezier(.2,.9,.3,1);
}
.pattern:hover { color: var(--butter-hi); }
.pattern:has(input:checked) { color: var(--butter-hi); }
.pattern:has(input:checked)::after { transform: scaleX(1); }
.pattern:has(input:checked) .pattern-no { color: var(--verm); }
.pattern:has(input:focus-visible) { outline: 3px solid var(--butter-hi); outline-offset: 2px; border-radius: 8px; }

/* ----------------------------------------------------------- sequencer -- */
.sequencer {
  flex: 1 0 auto;
  padding: 14px var(--pad) 24px;
}

.seq-top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 18px;
  margin-bottom: 10px;
}
.seq-title {
  margin: 0;
  font-family: var(--round);
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.01em;
}
.seq-help {
  margin: 0;
  font-size: 15px;
  color: var(--ink-2);
}
.seq-tools {
  display: flex;
  gap: 8px;
  margin-left: auto;
}
.tool {
  min-height: 40px;
  padding: 0 16px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: transparent;
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
}
.tool:hover { background: var(--butter-hi); }
.tool-rec { display: inline-flex; align-items: center; gap: 8px; padding-left: 12px; }
.rec-dot {
  width: 12px;
  height: 12px;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: transparent;
}
.tool-rec[aria-pressed="true"] { background: var(--ink); color: var(--butter-hi); }
.tool-rec[aria-pressed="true"] .rec-dot { background: var(--verm); border-color: var(--verm); }
[data-playing="true"][data-motion="full"] .tool-rec[aria-pressed="true"] .rec-dot { animation: rec 1s steps(2, jump-none) infinite; }
@keyframes rec { 50% { opacity: 0.35; } }
.tool:active { background: var(--ink); color: var(--butter-hi); }

/* Desktop: five horizontal lanes, steps in four groups of four. */
.grid {
  --head: clamp(128px, 11vw, 168px);
  --gut: clamp(6px, 0.9vw, 14px);
  display: grid;
  grid-template-columns:
    var(--head)
    repeat(4, minmax(0, 1fr)) var(--gut)
    repeat(4, minmax(0, 1fr)) var(--gut)
    repeat(4, minmax(0, 1fr)) var(--gut)
    repeat(4, minmax(0, 1fr));
  grid-auto-rows: auto;
  column-gap: clamp(4px, 0.55vw, 8px);
  row-gap: 9px;
  min-height: 330px;
}

.ruler,
.lane {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: subgrid;
  align-items: center;
}
.ruler { height: 22px; }

.tick {
  position: relative;
  height: 22px;
  display: grid;
  place-items: center;
  font-family: var(--round);
  font-size: 14px;
  font-weight: 900;
  color: var(--ink-2);
}
.tick:not(.beat)::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--butter-dim);
}

.voice {
  grid-column: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  height: 100%;
  min-height: 52px;
  padding: 0 10px 0 6px;
  border: 0;
  border-radius: 12px;
  background: transparent;
  text-align: left;
  transition: background-color 0.12s;
}
.voice:hover { background: var(--butter-hi); }
.voice:active { background: var(--butter-deep); }
.glyph {
  flex: none;
  width: auto;
  height: 30px;
  fill: var(--ink);
  overflow: visible;
}
.voice-name {
  font-family: var(--round);
  font-size: 18px;
  font-weight: 800;
}
.voice-key {
  margin-left: auto;
  display: inline-grid;
  place-items: center;
  min-width: 24px;
  height: 24px;
  padding: 0 5px;
  border: 1.5px solid var(--ink-2);
  border-radius: 6px;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-2);
}

.pad {
  position: relative;
  height: 50px;
  min-width: 0;
  padding: 0;
  border: 2px solid var(--ink);
  border-radius: 12px;
  background: var(--butter-hi);
  box-shadow: 0 5px 0 var(--ink);
  transform: translateY(-2px);
  transition: transform 0.07s ease-out, box-shadow 0.07s ease-out, background-color 0.1s;
  touch-action: manipulation;
}
.pad[data-step="0"], .pad[data-step="4"], .pad[data-step="8"], .pad[data-step="12"] { background: #f6e3a8; }
.pad:hover { background: #fff5d6; }
.pad:active { transform: translateY(3px); box-shadow: 0 0 0 var(--ink); }
.pad[aria-pressed="true"] {
  background: var(--verm);
  box-shadow: 0 1px 0 var(--ink), inset 0 -5px 0 var(--verm-deep);
  transform: translateY(3px);
}
.pad[aria-pressed="true"]:hover { background: var(--verm-hot); }
.pad:focus-visible { outline-offset: 5px; z-index: 1; }

/* Desktop step placement (gutter tracks after every four steps). */
.grid [data-step="0"] { grid-column: 2; }
.grid [data-step="1"] { grid-column: 3; }
.grid [data-step="2"] { grid-column: 4; }
.grid [data-step="3"] { grid-column: 5; }
.grid [data-step="4"] { grid-column: 7; }
.grid [data-step="5"] { grid-column: 8; }
.grid [data-step="6"] { grid-column: 9; }
.grid [data-step="7"] { grid-column: 10; }
.grid [data-step="8"] { grid-column: 12; }
.grid [data-step="9"] { grid-column: 13; }
.grid [data-step="10"] { grid-column: 14; }
.grid [data-step="11"] { grid-column: 15; }
.grid [data-step="12"] { grid-column: 17; }
.grid [data-step="13"] { grid-column: 18; }
.grid [data-step="14"] { grid-column: 19; }
.grid [data-step="15"] { grid-column: 20; }

/* The playhead: the current column lifts and warms up. */
.grid[data-step="0"] .pad[data-step="0"], .grid[data-step="1"] .pad[data-step="1"],
.grid[data-step="2"] .pad[data-step="2"], .grid[data-step="3"] .pad[data-step="3"],
.grid[data-step="4"] .pad[data-step="4"], .grid[data-step="5"] .pad[data-step="5"],
.grid[data-step="6"] .pad[data-step="6"], .grid[data-step="7"] .pad[data-step="7"],
.grid[data-step="8"] .pad[data-step="8"], .grid[data-step="9"] .pad[data-step="9"],
.grid[data-step="10"] .pad[data-step="10"], .grid[data-step="11"] .pad[data-step="11"],
.grid[data-step="12"] .pad[data-step="12"], .grid[data-step="13"] .pad[data-step="13"],
.grid[data-step="14"] .pad[data-step="14"], .grid[data-step="15"] .pad[data-step="15"] {
  background: var(--butter-deep);
}
.grid[data-step="0"] .pad[data-step="0"][aria-pressed="true"], .grid[data-step="1"] .pad[data-step="1"][aria-pressed="true"],
.grid[data-step="2"] .pad[data-step="2"][aria-pressed="true"], .grid[data-step="3"] .pad[data-step="3"][aria-pressed="true"],
.grid[data-step="4"] .pad[data-step="4"][aria-pressed="true"], .grid[data-step="5"] .pad[data-step="5"][aria-pressed="true"],
.grid[data-step="6"] .pad[data-step="6"][aria-pressed="true"], .grid[data-step="7"] .pad[data-step="7"][aria-pressed="true"],
.grid[data-step="8"] .pad[data-step="8"][aria-pressed="true"], .grid[data-step="9"] .pad[data-step="9"][aria-pressed="true"],
.grid[data-step="10"] .pad[data-step="10"][aria-pressed="true"], .grid[data-step="11"] .pad[data-step="11"][aria-pressed="true"],
.grid[data-step="12"] .pad[data-step="12"][aria-pressed="true"], .grid[data-step="13"] .pad[data-step="13"][aria-pressed="true"],
.grid[data-step="14"] .pad[data-step="14"][aria-pressed="true"], .grid[data-step="15"] .pad[data-step="15"][aria-pressed="true"] {
  background: var(--ink);
  box-shadow: 0 1px 0 var(--ink), inset 0 0 0 4px var(--verm);
}
.grid[data-step="0"] .tick[data-step="0"], .grid[data-step="1"] .tick[data-step="1"],
.grid[data-step="2"] .tick[data-step="2"], .grid[data-step="3"] .tick[data-step="3"],
.grid[data-step="4"] .tick[data-step="4"], .grid[data-step="5"] .tick[data-step="5"],
.grid[data-step="6"] .tick[data-step="6"], .grid[data-step="7"] .tick[data-step="7"],
.grid[data-step="8"] .tick[data-step="8"], .grid[data-step="9"] .tick[data-step="9"],
.grid[data-step="10"] .tick[data-step="10"], .grid[data-step="11"] .tick[data-step="11"],
.grid[data-step="12"] .tick[data-step="12"], .grid[data-step="13"] .tick[data-step="13"],
.grid[data-step="14"] .tick[data-step="14"], .grid[data-step="15"] .tick[data-step="15"] {
  color: var(--verm);
}
.grid[data-step="0"] .tick[data-step="0"]::before, .grid[data-step="1"] .tick[data-step="1"]::before,
.grid[data-step="2"] .tick[data-step="2"]::before, .grid[data-step="3"] .tick[data-step="3"]::before,
.grid[data-step="4"] .tick[data-step="4"]::before, .grid[data-step="5"] .tick[data-step="5"]::before,
.grid[data-step="6"] .tick[data-step="6"]::before, .grid[data-step="7"] .tick[data-step="7"]::before,
.grid[data-step="8"] .tick[data-step="8"]::before, .grid[data-step="9"] .tick[data-step="9"]::before,
.grid[data-step="10"] .tick[data-step="10"]::before, .grid[data-step="11"] .tick[data-step="11"]::before,
.grid[data-step="12"] .tick[data-step="12"]::before, .grid[data-step="13"] .tick[data-step="13"]::before,
.grid[data-step="14"] .tick[data-step="14"]::before, .grid[data-step="15"] .tick[data-step="15"]::before {
  background: var(--verm);
  transform: scale(1.8);
}

.only-narrow { display: none; }

.noscript {
  font-size: 18px;
  font-weight: 700;
}

/* ---------------------------------------------------------------- help -- */
.help {
  width: min(560px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  padding: 0;
  border: 3px solid var(--ink);
  border-radius: 22px;
  background: var(--butter-hi);
  color: var(--ink);
  box-shadow: 0 10px 0 var(--ink);
}
.help::backdrop { background: rgba(31, 26, 23, 0.55); }
.help-inner { padding: 26px 28px 24px; }
.help h2 {
  margin: 0 0 12px;
  font-family: var(--round);
  font-size: 34px;
  font-weight: 900;
  letter-spacing: -0.02em;
}
.help h3 {
  margin: 20px 0 8px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.help-steps { margin: 0; padding-left: 1.3em; }
.help-steps li { margin: 0 0 8px; }
.keys { display: grid; gap: 6px; margin: 0; }
.keys div { display: grid; grid-template-columns: 11rem 1fr; gap: 12px; align-items: center; }
.keys dt, .keys dd { margin: 0; }
kbd {
  display: inline-block;
  min-width: 1.7em;
  padding: 1px 6px;
  border: 1.5px solid var(--ink);
  border-radius: 6px;
  box-shadow: 0 2px 0 var(--ink);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  background: var(--butter);
}
.keys-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  font-weight: 700;
  cursor: pointer;
}
.keys-toggle input { width: 22px; height: 22px; accent-color: var(--verm-deep); }
.help-close { margin-top: 18px; }

/* ----------------------------------------------- medium widths (tablet) -- */
@media (max-width: 1279px) {
  .hint { display: none; }
  .floor { grid-template-columns: 1fr; padding-bottom: 34px; }
  .patterns { justify-content: flex-start; }
}

/* ------------------------------------------------ phones: vertical roll -- */
@media (max-width: 699px) {
  body { padding-bottom: calc(132px + env(safe-area-inset-bottom)); }

  .masthead { padding-top: 12px; gap: 10px; }
  .brand { flex-direction: column; gap: 4px; font-size: 20px; }
  .brand-line { font-size: 13px; }
  .switch { min-height: 40px; padding: 0 12px 0 10px; font-size: 14px; }
  #help-open { width: 40px; padding: 0; justify-content: center; }
  #help-open span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

  .stage { height: 138px; }

  .floor { display: contents; }

  .patterns {
    order: 3;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
    margin: 6px var(--pad) 0;
  }
  .patterns-legend { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
  .pattern {
    justify-items: center;
    padding: 8px 4px 10px;
    border: 2px solid var(--ink);
    border-radius: 14px;
    color: var(--ink);
    background: var(--butter-hi);
  }
  .pattern:hover { color: var(--ink); }
  .pattern::after { display: none; }
  .pattern:has(input:checked) { background: var(--ink); color: var(--butter-hi); }
  .pattern:has(input:checked) .pattern-no { color: var(--verm); }
  .pattern:has(input:focus-visible) { outline-color: var(--ink); outline-offset: 3px; border-radius: 14px; }
  .pattern-no { font-size: 11px; }
  .pattern-mood { display: none; }
  .pattern-name { font-size: 18px; }

  .sequencer { order: 4; padding-top: 14px; }
  .seq-title { font-size: 19px; }
  .seq-help { font-size: 13px; flex-basis: 100%; order: 3; }
  .only-wide { display: none; }
  .only-narrow { display: inline; }
  .seq-tools { flex-basis: 100%; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-left: 0; }
  .tool { min-height: 40px; padding: 0 10px; font-size: 14px; justify-content: center; }
  .tool-rec { padding-left: 10px; }

  .console {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 10;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    grid-template-areas: "rail rail rail" "play tempo sound";
    align-items: center;
    gap: 6px 12px;
    padding: 8px 14px calc(12px + env(safe-area-inset-bottom));
    background: var(--ink);
    color: var(--butter-hi);
    border-radius: 22px 22px 0 0;
  }
  .console :focus-visible { outline-color: var(--butter-hi); }
  .play { grid-area: play; width: 72px; height: 72px; box-shadow: 0 4px 0 var(--verm-deep); }
  .play-icon { width: 30px; height: 30px; }
  .play-label { font-size: 13px; }
  .sound { grid-area: sound; min-height: 48px; padding: 0 14px 0 12px; font-size: 15px; }
  .sound-icon { width: 22px; height: 19px; }

  .tempo { display: contents; }
  .tempo-head { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
  .bpm-inline { display: inline; }
  .tempo-read { grid-area: tempo; justify-self: center; }
  #bpm-readout { font-size: 56px; min-width: 2.4ch; text-align: right; }
  .tempo-row { grid-area: rail; display: flex; gap: 10px; }
  #tempo { flex: 1 1 auto; width: auto; min-width: 0; height: 40px; }
  .nudge { width: 40px; height: 40px; }

  /* Vertical roll: five columns under the five letters, time runs down. */
  .grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    grid-template-rows:
      auto
      repeat(4, 34px) 6px
      repeat(4, 34px) 6px
      repeat(4, 34px) 6px
      repeat(4, 34px);
    column-gap: 7px;
    row-gap: 5px;
    min-height: 0;
    margin-left: 6px;
  }
  .ruler { display: none; }
  .lane {
    grid-row: 1 / -1;
    grid-template-columns: none;
    grid-template-rows: subgrid;
    align-items: stretch;
  }
  .lane[data-voice="0"] { grid-column: 1; }
  .lane[data-voice="1"] { grid-column: 2; }
  .lane[data-voice="2"] { grid-column: 3; }
  .lane[data-voice="3"] { grid-column: 4; }
  .lane[data-voice="4"] { grid-column: 5; }
  .lane[data-voice="0"] .pad[data-beat]::before {
    content: attr(data-beat);
    position: absolute;
    left: -19px;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--round);
    font-size: 13px;
    font-weight: 900;
    color: var(--ink-2);
  }

  .grid [data-step] { grid-column: auto; }
  .grid [data-step="0"] { grid-row: 2; }
  .grid [data-step="1"] { grid-row: 3; }
  .grid [data-step="2"] { grid-row: 4; }
  .grid [data-step="3"] { grid-row: 5; }
  .grid [data-step="4"] { grid-row: 7; }
  .grid [data-step="5"] { grid-row: 8; }
  .grid [data-step="6"] { grid-row: 9; }
  .grid [data-step="7"] { grid-row: 10; }
  .grid [data-step="8"] { grid-row: 12; }
  .grid [data-step="9"] { grid-row: 13; }
  .grid [data-step="10"] { grid-row: 14; }
  .grid [data-step="11"] { grid-row: 15; }
  .grid [data-step="12"] { grid-row: 17; }
  .grid [data-step="13"] { grid-row: 18; }
  .grid [data-step="14"] { grid-row: 19; }
  .grid [data-step="15"] { grid-row: 20; }

  .voice {
    grid-row: 1;
    flex-direction: column;
    justify-content: center;
    gap: 2px;
    min-height: 48px;
    padding: 4px 0 6px;
  }
  .voice .glyph { display: none; }
  .voice-name { font-size: 14px; }
  .voice-key { display: none; }

  .pad {
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 0 var(--ink);
  }
}

@media (max-width: 380px) {
  .switch .state { display: none; }
}

/* --------------------------------------------------------- quiet motion -- */
[data-motion="quiet"] *,
[data-motion="quiet"] *::before,
[data-motion="quiet"] *::after {
  transition-duration: 0s !important;
  animation: none !important;
}

@media (prefers-reduced-motion: reduce) {
  html:not([data-motion="full"]) *,
  html:not([data-motion="full"]) *::before,
  html:not([data-motion="full"]) *::after {
    transition-duration: 0s !important;
    animation: none !important;
  }
}

@media (forced-colors: active) {
  .pad[aria-pressed="true"] { background: Highlight; }
  .play, .sound[aria-pressed="true"] { border: 2px solid ButtonText; }
}