:root {
  /* Roles: surface L low · ink L high · accent S high · muted = secondary text */
  --bg: hsl(168 19% 5%);
  --bg-lift: hsl(165 18% 9%);
  --ink: hsl(144 57% 86%);
  --ink-dim: hsl(148 19% 58%);
  --muted: var(--ink-dim);
  --accent: hsl(138 100% 71%);
  --warn: hsl(39 68% 69%);
  --line: hsl(159 19% 17%);
  --focus: hsl(145 73% 78%);
  --tap: hsl(162 37% 14%);
  --font-display: "Syne", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --radius: 2px;
  --pad: clamp(0.85rem, 2vw, 1.35rem);
  --shell: 42rem;
  --control-h: 2.25rem;
  color-scheme: dark;
}

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

/* Author display rules (e.g. .field, .mode-surface) must not override HTML hidden. */
[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(120% 80% at 10% -10%, #163028 0%, transparent 55%),
    linear-gradient(180deg, #0e1614 0%, var(--bg) 40%, #070b0a 100%);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 0.9rem + 0.3vw, 1.05rem);
  line-height: 1.45;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  padding:
    calc(var(--pad) + env(safe-area-inset-top, 0px))
    calc(var(--pad) + env(safe-area-inset-right, 0px))
    calc(2rem + env(safe-area-inset-bottom, 0px))
    calc(var(--pad) + env(safe-area-inset-left, 0px));
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #041208;
  padding: 0.5rem 0.75rem;
  z-index: 20;
}

.skip-link:focus {
  left: var(--pad);
  top: var(--pad);
}

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

.top {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.75rem;
  align-items: center;
  max-width: var(--shell);
  width: 100%;
  margin: 0 auto 0.65rem;
}

.desk-bar {
  display: grid;
  gap: 0.45rem;
  width: 100%;
  margin: 0.35rem 0 0.85rem;
  padding-top: 0.55rem;
  border-top: 1px solid var(--line);
}

.transport-bar {
  display: grid;
  gap: 0.45rem;
  width: 100%;
  margin: 0.85rem 0 0.35rem;
  padding-top: 0.55rem;
  border-top: 1px solid var(--line);
}

.btn-primary {
  background: color-mix(in oklab, var(--accent) 22%, var(--bg-lift));
  border-color: var(--accent);
  color: var(--ink);
  font-weight: 550;
}

.cipher-bar {
  display: grid;
  gap: 0.4rem;
  min-width: 0;
}

.cipher-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  min-width: 0;
}

.cipher-mode-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.3rem;
  flex: 1 1 12rem;
  min-width: 0;
}

.cipher-method {
  flex: 1 1 8rem;
  min-width: 0;
}

.cipher-method select,
.engine-pick select {
  width: 100%;
}

.cipher-keys-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
  min-width: 0;
}

.cipher-keys-inline:empty {
  display: none;
}

.cipher-keys-inline label {
  display: inline-flex;
  gap: 0.3rem;
  align-items: center;
  color: var(--ink-dim);
  font-size: 0.78rem;
  min-width: 0;
}

.cipher-keys-inline input {
  width: auto;
  min-width: 4.5rem;
  max-width: 11rem;
  height: var(--control-h);
  min-height: var(--control-h);
}

.cipher-keys-inline input::placeholder {
  color: color-mix(in oklab, var(--ink-dim) 70%, transparent);
  opacity: 1;
}

.cipher-guide {
  margin: 0;
  line-height: 1.35;
}

.engine-bar {
  display: flex;
  gap: 0.45rem;
  align-items: center;
  min-width: 0;
}

.engine-pick {
  flex: 1 1 auto;
  min-width: 0;
}

.btn[aria-pressed="true"] {
  color: var(--accent);
  border-color: var(--accent);
  background: color-mix(in oklab, var(--tap) 70%, transparent);
}

.brand {
  color: var(--ink-dim);
  text-decoration: none;
  letter-spacing: 0.04em;
}

.brand:hover,
.brand:focus-visible {
  color: var(--accent);
}

.title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1rem + 1vw, 1.55rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-align: center;
}

.icon-nav {
  display: flex;
  gap: 0.35rem;
}

.icon-btn,
.btn {
  font: inherit;
  border: 1px solid var(--line);
  background: var(--bg-lift);
  color: var(--ink);
  border-radius: var(--radius);
  cursor: pointer;
}

.btn {
  min-height: var(--control-h);
  padding: 0 0.8rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.icon-btn {
  width: var(--control-h);
  height: var(--control-h);
  flex: 0 0 var(--control-h);
  display: inline-grid;
  place-items: center;
}

.icon-btn svg {
  display: block;
}

.icon-btn[aria-expanded="true"],
.btn-mic[aria-pressed="true"] {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--accent) 40%, transparent);
}

.btn:hover,
.icon-btn:hover {
  border-color: color-mix(in oklab, var(--accent) 45%, var(--line));
  color: var(--ink);
}

.btn:focus-visible,
.icon-btn:focus-visible,
.tap-pad:focus-visible,
textarea:focus-visible,
select:focus-visible,
input:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.btn-ghost {
  background: transparent;
}

.stage {
  max-width: var(--shell);
  width: 100%;
  margin: 0 auto;
  display: grid;
  gap: 1.1rem;
}

.field {
  display: grid;
  gap: 0.35rem;
}

.field.compact {
  margin-bottom: 0.75rem;
}

.field-label,
.section-label {
  color: var(--ink-dim);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

textarea,
select,
input[type="text"],
input[type="password"],
input[type="number"],
input[type="range"] {
  width: 100%;
  font: inherit;
  color: var(--ink);
  background: color-mix(in oklab, var(--bg-lift) 88%, black);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

textarea {
  padding: 0.7rem 0.75rem;
  resize: vertical;
  min-height: 5.5rem;
  /* Avoid iOS focus zoom (needs ≥16px). */
  font-size: max(1em, 16px);
}

select,
input[type="text"],
input[type="password"],
input[type="number"] {
  height: var(--control-h);
  min-height: var(--control-h);
  padding: 0 0.55rem;
  font-size: max(1em, 16px);
}

select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--ink-dim) 50%),
    linear-gradient(135deg, var(--ink-dim) 50%, transparent 50%);
  background-position:
    calc(100% - 0.85rem) 50%,
    calc(100% - 0.55rem) 50%;
  background-size: 0.3rem 0.3rem, 0.3rem 0.3rem;
  background-repeat: no-repeat;
  padding-right: 1.5rem;
}

.hint {
  margin: 0.25rem 0 0;
  color: var(--ink-dim);
  font-size: 0.78rem;
}

.mode-tabs {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.3rem;
  margin-bottom: 0.75rem;
}

.output-tabs {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.22rem;
  margin-bottom: 0.5rem;
}

.output-tabs .mode-tab {
  min-width: 0;
  padding: 0 0.1rem;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}

.midi-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 0.45rem 0.65rem;
}

.midi-field {
  display: grid;
  gap: 0.2rem;
  font-size: 0.78rem;
  color: var(--ink-dim);
}

.midi-field select,
.midi-field input {
  min-height: 2.5rem;
  min-width: 4.5rem;
  font: inherit;
  font-size: 1rem;
  color: inherit;
  background: color-mix(in oklab, var(--bg) 92%, black);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) - 2px);
  padding: 0.3rem 0.4rem;
}

.midi-field select {
  min-width: 9rem;
}

.midi-status {
  flex: 1 1 100%;
  margin: 0;
}

.output-head {
  margin-top: 0.35rem;
}

.output-panel {
  display: grid;
  gap: 0.45rem;
}

#output-viz-field {
  --viz-side: min(
    100%,
    calc(
      100dvw - 2 * var(--pad) - env(safe-area-inset-left, 0px) -
        env(safe-area-inset-right, 0px)
    ),
    70dvh
  );
  display: grid;
  gap: 0.45rem;
  justify-items: center;
}

.qr-controls {
  display: grid;
  gap: 0.35rem;
  justify-items: center;
  width: min(12rem, 100%);
}

.clock-controls {
  width: min(18rem, 100%);
}

.clock-controls-meta {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.35rem;
  align-items: center;
  width: 100%;
}

.clock-controls-meta:not(:has(.plasma-pick:not([hidden]))) {
  grid-template-columns: 1fr auto;
}

.clock-controls-meta:has(.plasma-quality-pick:not([hidden])) {
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.65fr) auto;
}

.plasma-pick {
  display: grid;
  min-width: 0;
  width: 100%;
}

.plasma-pick[hidden] {
  display: none;
}

.plasma-pick select {
  width: 100%;
  min-width: 0;
  font-size: 0.68rem;
  padding: 0.28rem 0.35rem;
}

.clock-fullscreen-btn {
  min-width: 4.2rem;
  padding-inline: 0.55rem;
}

.clock-stage-dock {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: center;
  width: min(22rem, 100%);
}

body.clock-immersive {
  overflow: hidden;
}

#output-viz-field:fullscreen,
#output-viz-field:-webkit-full-screen,
#output-viz-field.clock-stage--immersive {
  position: fixed;
  inset: 0;
  z-index: 40;
  width: 100vw;
  width: 100dvw;
  height: 100vh;
  height: 100dvh;
  max-width: none;
  margin: 0;
  padding:
    calc(0.7rem + env(safe-area-inset-top, 0px))
    calc(0.7rem + env(safe-area-inset-right, 0px))
    calc(0.7rem + env(safe-area-inset-bottom, 0px))
    calc(0.7rem + env(safe-area-inset-left, 0px));
  background: #050807;
  display: grid !important;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 0.65rem;
  justify-items: center;
  align-content: stretch;
  --viz-side: min(
    calc(
      100dvw - 1.4rem - env(safe-area-inset-left, 0px) -
        env(safe-area-inset-right, 0px)
    ),
    calc(
      100dvh - 8rem - env(safe-area-inset-top, 0px) -
        env(safe-area-inset-bottom, 0px)
    )
  );
}

#output-viz-field:fullscreen .output-viz-frame,
#output-viz-field:-webkit-full-screen .output-viz-frame,
#output-viz-field.clock-stage--immersive .output-viz-frame {
  border-color: transparent;
  border-radius: 0;
  width: var(--viz-side);
  height: var(--viz-side);
  max-width: 100%;
  place-self: center;
}

#output-viz-field:fullscreen .clock-stage-dock,
#output-viz-field:-webkit-full-screen .clock-stage-dock,
#output-viz-field.clock-stage--immersive .clock-stage-dock {
  display: flex;
}

.viz-variant {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem;
  width: 100%;
}

.viz-variant--clock {
  grid-template-columns: repeat(3, 1fr);
}

.viz-ascii {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  cursor: pointer;
  user-select: none;
}

.viz-ascii input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent, #5cb894);
}

.viz-variant-btn {
  min-height: var(--control-h);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  cursor: pointer;
}

.viz-variant-btn[aria-pressed="true"] {
  border-color: var(--accent, #5cb894);
  color: var(--ink, #e8fff2);
  background: rgba(92, 184, 148, 0.12);
}

.output-viz-frame {
  width: var(--viz-side);
  height: var(--viz-side);
  max-width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #050807;
}

.output-viz-frame--ascii {
  overflow: auto;
  aspect-ratio: auto;
  height: auto;
  max-height: min(70dvh, var(--viz-side));
}

.output-canvas {
  display: block;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  touch-action: none;
}

.output-ascii {
  margin: 0;
  padding: 0.65rem;
  width: 100%;
  overflow: auto;
  color: var(--ink, #e8fff2);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: clamp(0.35rem, 1.4vw, 0.62rem);
  line-height: 1.05;
  letter-spacing: 0;
  white-space: pre;
  user-select: text;
}

.output-canvas--smooth {
  image-rendering: auto;
  cursor: crosshair;
}

.viz-export {
  --export-progress: 0;
  position: relative;
  overflow: hidden;
  min-width: 5rem;
}

.viz-export-bar {
  position: absolute;
  inset: 0 auto 0 0;
  width: calc(var(--export-progress) * 100%);
  background: color-mix(in oklab, var(--accent) 35%, transparent);
  pointer-events: none;
  transition: width 90ms linear;
}

.viz-export-label {
  position: relative;
  z-index: 1;
}

.viz-export:disabled {
  cursor: wait;
  opacity: 1;
  color: var(--ink-dim, var(--ink));
}

.viz-export:disabled .viz-export-bar {
  background: color-mix(in oklab, var(--accent) 55%, transparent);
}

.mode-tab {
  font: inherit;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  min-height: var(--control-h);
  padding: 0 0.2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
  color: var(--ink-dim);
  cursor: pointer;
}

.mode-tab[aria-selected="true"] {
  color: var(--accent);
  border-color: var(--accent);
  background: color-mix(in oklab, var(--tap) 70%, transparent);
}

.mode-tab:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.input-panel {
  display: grid;
  gap: 0.5rem;
}

.mode-surface {
  display: grid;
  gap: 0.55rem;
}

.file-label {
  display: inline-flex;
  width: fit-content;
  cursor: pointer;
}

.img-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
  color: var(--ink-dim);
  font-size: 0.85rem;
}

.img-controls label {
  display: inline-flex;
  gap: 0.4rem;
  align-items: center;
}

.img-controls input[type="range"] {
  width: 8rem;
}

.img-canvas {
  width: 100%;
  max-height: 14rem;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #050807;
}

#output-view[readonly] {
  opacity: 0.95;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  align-items: center;
}

.toolbar-play {
  display: flex;
  gap: 0.4rem;
  align-items: center;
  min-width: 0;
}

.toolbar-wpm {
  display: inline-flex;
  gap: 0.35rem;
  align-items: center;
  margin-left: auto;
  color: var(--ink-dim);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

.toolbar-wpm input {
  width: 3.5rem;
  min-width: 3.5rem;
}

.mirror-shell {
  position: relative;
  display: grid;
}

.mirror-shell > .mirror-layer,
.mirror-shell > textarea,
.mirror-shell > input {
  grid-area: 1 / 1;
}

.mirror-layer {
  margin: 0;
  padding: 0.7rem 0.75rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font: inherit;
  font-size: max(1em, 16px);
  line-height: 1.45;
  white-space: pre-wrap;
  overflow: hidden;
  pointer-events: none;
  color: transparent;
  background: transparent;
}

.mirror-layer mark {
  color: inherit;
  background: color-mix(in oklab, var(--accent) 42%, transparent);
  border-radius: 2px;
  box-shadow: 0 0 0 1px color-mix(in oklab, var(--accent) 55%, transparent);
}

.mirror-shell.is-playing-highlight > .mirror-layer {
  color: var(--ink);
  background: color-mix(in oklab, var(--bg-lift) 88%, black);
  border-color: var(--line);
}

.mirror-shell.is-playing-highlight > textarea,
.mirror-shell.is-playing-highlight > input {
  color: transparent;
  caret-color: var(--ink);
  background: transparent;
}

.tap-pad {
  width: 100%;
  min-height: 7.5rem;
  border: 1px dashed color-mix(in oklab, var(--accent) 45%, var(--line));
  background:
    linear-gradient(180deg, color-mix(in oklab, var(--tap) 80%, transparent), var(--tap));
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  border-radius: var(--radius);
  cursor: pointer;
  touch-action: none;
  user-select: none;
}

.tap-pad.is-down {
  background: color-mix(in oklab, var(--accent) 18%, var(--tap));
  color: #041208;
  border-style: solid;
}

.panel {
  position: fixed;
  top: 0;
  right: 0;
  width: min(22rem, 100vw);
  height: 100vh;
  height: 100dvh;
  overflow: auto;
  overscroll-behavior: contain;
  padding:
    calc(var(--pad) + env(safe-area-inset-top, 0px))
    calc(var(--pad) + env(safe-area-inset-right, 0px))
    calc(var(--pad) + env(safe-area-inset-bottom, 0px))
    var(--pad);
  background: color-mix(in oklab, var(--bg-lift) 94%, black);
  border-left: 1px solid var(--line);
  z-index: 8;
  box-shadow: -18px 0 40px rgb(0 0 0 / 35%);
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.panel-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
}

.panel-lead {
  margin: 0 0 1rem;
  color: var(--ink-dim);
  font-size: 0.85rem;
}

.history-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
  margin-bottom: 0.85rem;
}

.history-enable {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--ink-dim);
  font-size: 0.85rem;
}

.history-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
}

.history-item {
  width: 100%;
  display: grid;
  gap: 0.2rem;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in oklab, var(--bg) 88%, var(--bg-lift));
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.history-item:hover,
.history-item:focus-visible {
  border-color: var(--accent);
  outline: none;
}

.history-preview {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.history-meta {
  font-size: 0.72rem;
  color: var(--ink-dim);
}

.panel-wide {
  width: min(28rem, 100vw);
}

.ensemble-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.65rem;
}

.ensemble-master {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem;
  margin-bottom: 0.85rem;
}

.ensemble-master input[type="range"] {
  width: 100%;
  min-height: 1.6rem;
  margin: 0;
  accent-color: var(--accent);
  background: transparent;
}

.ensemble-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.ensemble-track {
  display: grid;
  grid-template-columns: 1fr 4.5rem;
  gap: 0.4rem 0.45rem;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in oklab, var(--bg) 88%, var(--bg-lift));
}

.ensemble-track .ensemble-text,
.ensemble-track .mirror-shell,
.ensemble-track .ensemble-morse {
  grid-column: 1 / -1;
}

.ensemble-track .ensemble-engine {
  grid-column: 1 / -1;
}

.ensemble-track input:not([type="checkbox"]):not([type="range"]),
.ensemble-track select {
  width: 100%;
  min-height: 2.5rem;
  font: inherit;
  font-size: 1rem;
  color: inherit;
  background: color-mix(in oklab, var(--bg) 92%, black);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) - 2px);
  padding: 0.35rem 0.45rem;
}

.ensemble-mix-row {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem;
}

.ensemble-delay-row {
  grid-template-columns: 1fr 1fr 1fr;
}

.ensemble-mix {
  display: grid;
  gap: 0.2rem;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--ink-dim);
}

.ensemble-track input[type="range"] {
  width: 100%;
  min-height: 1.6rem;
  margin: 0;
  accent-color: var(--accent);
  background: transparent;
}

.ensemble-track .mirror-shell {
  width: 100%;
}

.ensemble-track .mirror-layer {
  padding: 0.35rem 0.45rem;
  white-space: pre;
  overflow: hidden;
  border-radius: calc(var(--radius) - 2px);
  font-size: 1rem;
  line-height: 1.25;
  min-height: 2.5rem;
}

.ensemble-morse {
  margin: 0;
  min-height: 1.6rem;
  padding: 0.2rem 0.1rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.35;
  color: var(--ink-dim);
  white-space: pre-wrap;
  word-break: break-word;
}

.ensemble-morse mark {
  color: var(--ink);
  background: color-mix(in oklab, var(--accent) 42%, transparent);
  border-radius: 2px;
  box-shadow: 0 0 0 1px color-mix(in oklab, var(--accent) 55%, transparent);
}

.ensemble-morse.is-playing-highlight {
  color: var(--ink-dim);
}

.ensemble-mute {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 2.5rem;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.ensemble-mute input[type="checkbox"] {
  width: 1.1rem;
  min-width: 1.1rem;
  min-height: 1.1rem;
  margin: 0;
  padding: 0;
  accent-color: var(--accent);
}

.ensemble-mute-text {
  color: var(--ink-dim);
  user-select: none;
}

.ensemble-remove {
  justify-self: end;
  align-self: center;
}

.ensemble-library {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.45rem;
  align-items: end;
  margin-bottom: 0.85rem;
}

.ensemble-library .field {
  margin: 0;
}

.ensemble-library select {
  width: 100%;
  min-height: 2.5rem;
  font: inherit;
  font-size: 1rem;
  color: inherit;
  background: color-mix(in oklab, var(--bg) 92%, black);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) - 2px);
  padding: 0.35rem 0.45rem;
}

.cipher-keys {
  display: grid;
  gap: 0.65rem;
  margin-bottom: 0.85rem;
}

.cipher-keys label,
.synth-form label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.85rem;
  color: var(--ink-dim);
}

.synth-form {
  display: grid;
  gap: 0.7rem;
}

.synth-form fieldset {
  margin: 0;
  padding: 0.55rem 0.65rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: grid;
  gap: 0.65rem;
}

.synth-form legend {
  padding: 0 0.35rem;
  color: var(--ink-dim);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.engine-params {
  display: grid;
  gap: 0.65rem;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in oklab, var(--bg) 70%, var(--bg-lift));
}

.engine-params:empty {
  display: none;
}

.engine-params-label {
  margin: 0;
}

.sampler-slot {
  margin: 0;
}

.keys {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.35rem;
}

kbd {
  display: inline-block;
  min-width: 1.4rem;
  padding: 0.05rem 0.35rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--warn);
  font: inherit;
  font-size: 0.8rem;
  text-align: center;
}

a {
  color: var(--accent);
}

.backdrop {
  position: fixed;
  inset: 0;
  background: rgb(0 0 0 / 45%);
  z-index: 7;
}

body.panel-open {
  overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

@media (prefers-contrast: more) {
  :root {
    --ink: hsl(144 80% 95%);
    --ink-dim: hsl(148 28% 74%);
    --muted: var(--ink-dim);
    --line: hsl(159 18% 42%);
    --focus: hsl(145 80% 90%);
  }

  .mode-tab[aria-selected="true"],
  .btn[aria-pressed="true"],
  .icon-btn[aria-expanded="true"] {
    outline: 1px solid var(--accent);
  }
}

@media (pointer: coarse) {
  :root {
    --control-h: 2.75rem;
  }

  .btn,
  .mode-tab,
  .file-label.btn,
  .history-item {
    min-height: var(--control-h);
  }

  .btn {
    padding: 0 0.95rem;
  }

  .mode-tab {
    padding: 0.65rem 0.2rem;
  }

  .tap-pad {
    min-height: 8.5rem;
  }
}

@media (max-width: 560px) {
  .top {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "brand icons"
      "title title";
  }

  .brand {
    grid-area: brand;
  }

  .title {
    grid-area: title;
    text-align: left;
  }

  .icon-nav {
    grid-area: icons;
  }

  .cipher-mode-tabs,
  .cipher-method,
  .engine-pick {
    flex: 1 1 100%;
    min-width: 0;
  }

  .cipher-row {
    flex-direction: column;
    align-items: stretch;
  }

  .cipher-keys-inline {
    flex-direction: column;
    align-items: stretch;
  }

  .cipher-keys-inline label {
    display: grid;
    grid-template-columns: 5.5rem 1fr;
    gap: 0.45rem;
    font-size: 0.85rem;
  }

  .cipher-keys-inline input {
    width: 100%;
    max-width: none;
    min-width: 0;
  }

  .mode-tabs,
  .output-tabs {
    display: flex;
    flex-wrap: nowrap;
    gap: 0.35rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    padding-bottom: 0.15rem;
  }

  .mode-tab,
  .output-tabs .mode-tab {
    flex: 0 0 auto;
    min-width: 4.25rem;
    min-height: 2.75rem;
    padding: 0.55rem 0.65rem;
    font-size: 0.78rem;
    letter-spacing: 0.04em;
  }

  .toolbar {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .toolbar-play {
    grid-column: 1 / -1;
  }

  .toolbar-play .btn,
  .toolbar > .btn {
    width: 100%;
  }

  .toolbar-wpm {
    grid-column: 1 / -1;
    margin-left: 0;
    justify-self: end;
  }

  .toolbar-wpm input {
    width: 3.5rem;
    min-width: 3.5rem;
  }

  .img-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .img-controls input[type="range"] {
    width: 100%;
  }

  .panel {
    width: 100vw;
    width: 100dvw;
    border-left: 0;
    border-top: 1px solid var(--line);
    top: auto;
    bottom: 0;
    height: min(78vh, 34rem);
    height: min(78dvh, 34rem);
    box-shadow: 0 -12px 40px rgb(0 0 0 / 35%);
  }
}