/** Reference-driven LEDMAU5 application shell and neon control theme. */
:root {
  --nav-width: 192px;
  --preview-width: min(560px, 42vw);
  --bg: #050812;
  --panel: #0a0f20;
  --panel2: #0e1429;
  --panel3: #12182f;
  --line: #27304d;
  --line-hot: #344166;
  --ink: #f5f6ff;
  --muted: #98a1ba;
  --cyan: #00dcff;
  --blue: #4285ff;
  --violet: #814cff;
  --pink: #ff2f9c;
  --acid: #73f275;
  --orange: #ff9a44;
  --tab-border: #2b3554;
  --tab-surface: #0a1022;
}

html {
  background: var(--bg);
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 92% 5%, rgba(87, 51, 255, 0.13), transparent 30%),
    radial-gradient(circle at 15% 82%, rgba(0, 211, 255, 0.055), transparent 32%),
    linear-gradient(135deg, #050914, #060813 55%, #090719);
  color: var(--ink);
  font-family: Inter, "Segoe UI", ui-sans-serif, system-ui, sans-serif;
}

body::before {
  background-image:
    linear-gradient(rgba(103, 126, 177, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(103, 126, 177, 0.018) 1px, transparent 1px);
  background-size: 42px 42px;
}

button,
select,
input {
  outline: none;
}

button:focus-visible,
select:focus-visible,
input:focus-visible {
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--cyan);
}

.topbar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 30;
  width: var(--nav-width);
  height: 100vh;
  padding: 25px 16px 18px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  border: 0;
  border-right: 1px solid rgba(88, 109, 160, 0.25);
  background: rgba(4, 9, 20, 0.91);
  box-shadow: 16px 0 45px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(24px);
}

.brand {
  justify-content: center;
  min-height: 0;
  padding: 0 0 4px;
  color: white;
  text-decoration: none;
}

.brand > span:last-child {
  display: none;
}

.mark,
.title-mark {
  display: block;
  width: 160px;
  height: auto;
  border-radius: 0;
  color: transparent;
  background: none;
  box-shadow: none;
  clip-path: none;
  object-fit: contain;
  mix-blend-mode: normal;
  filter: url(#knock-dark);
}

.title-mark {
  display: none;
}

.side-nav {
  display: grid;
  gap: 10px;
  margin: 8px 0 auto;
}

.side-nav button {
  position: relative;
  min-height: 72px;
  padding: 9px 5px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 7px;
  border: 1px solid transparent;
  border-radius: 11px;
  color: #a4aec7;
  background: transparent;
  cursor: pointer;
  transition: 160ms ease;
}

.side-nav button i {
  position: relative;
  z-index: 1;
  font-size: 33px;
  line-height: 1;
  font-style: normal;
  color: var(--nav-neon, var(--cyan));
  filter: drop-shadow(0 0 6px color-mix(in srgb, var(--nav-neon, var(--cyan)), transparent 55%));
}

.side-nav button .material-symbols-outlined {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 33px;
  height: 33px;
  font-weight: 400;
  letter-spacing: normal;
  text-transform: none;
  font-variation-settings: "FILL" 1, "wght" 400, "GRAD" 0, "opsz" 24;
}

.side-nav button[data-side-tab="regions"] {
  --nav-neon: #32dbea;
}

.side-nav button[data-preview-toggle] {
  --nav-neon: #ff397f;
}

.side-nav #connectBle {
  --nav-neon: #9b5cff;
}

.side-nav button i::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -6px;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--nav-neon, var(--cyan)), transparent 82%) 0%, transparent 70%);
  pointer-events: none;
}

.side-nav button span {
  font-size: 12px;
  font-weight: 650;
}

.side-nav button:hover {
  color: white;
  background: rgba(21, 42, 75, 0.55);
}

.side-nav button.active {
  color: var(--cyan);
  border-color: rgba(0, 218, 255, 0.11);
  background: linear-gradient(90deg, rgba(0, 190, 255, 0.14), rgba(0, 167, 255, 0.055));
  box-shadow: inset 10px 0 20px rgba(0, 215, 255, 0.06), 0 0 28px rgba(0, 151, 255, 0.04);
}

.side-nav button.active::before {
  content: "";
  position: absolute;
  left: -16px;
  top: 17px;
  bottom: 17px;
  width: 2px;
  background: var(--cyan);
  box-shadow: 0 0 14px var(--cyan);
}

.side-nav button.active i {
  color: var(--nav-neon, var(--cyan));
  filter: drop-shadow(0 0 8px color-mix(in srgb, var(--nav-neon, var(--cyan)), transparent 40%));
}

.side-nav #connectBle.connected {
  --nav-neon: #42ef7b;
  color: #dfffea;
  border-color: rgba(57, 220, 116, 0.25);
  background: linear-gradient(90deg, rgba(57, 220, 116, 0.12), rgba(57, 220, 116, 0.035));
}

.side-nav #connectBle.connected i {
  color: #42ef7b;
}

.transport {
  order: 5;
  width: 100%;
  margin: 18px 0 0;
  padding: 12px 9px;
  display: flex;
  align-items: center;
  gap: 9px;
  border: 1px solid rgba(69, 90, 135, 0.32);
  border-radius: 10px;
  background: rgba(8, 17, 34, 0.82);
}

.transport > i {
  flex: none;
  width: 7px;
  height: 7px;
  margin: 0;
  padding: 0;
  line-height: 0;
  font-size: 0;
  transform: translateY(-2px);
  background: #39dd79;
  box-shadow: 0 0 12px #39dd79;
}

.transport span {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.transport b {
  display: block;
  color: #e6eaff;
  font: 700 10px / 1 ui-monospace, monospace;
  letter-spacing: 0.03em;
}

.transport small {
  overflow: hidden;
  max-width: 82px;
  margin: 0;
  color: #59a9d5;
  font: 9px ui-monospace, monospace;
  letter-spacing: 0;
  line-height: 1.2;
  text-overflow: ellipsis;
}

.transport small:empty {
  display: none;
}

.transport.connected > i {
  background: #42ef7b;
}

main {
  min-height: 100vh;
  margin-left: var(--nav-width);
  padding-right: 0;
  display: block;
}

body.preview-open .workspace-head {
  padding-right: 0;
}

.workspace {
  position: relative;
  width: auto;
  max-width: none;
  margin-left: 0;
  margin-right: 0;
  padding: 28px 30px 60px 38px;
  transition: margin-right 240ms cubic-bezier(0.22, 0.78, 0.2, 1);
}

.workspace-head {
  min-height: 102px;
  padding: 0 330px 0 27px;
  align-items: flex-start;
}

.workspace-head .kicker,
.stage-head .kicker {
  color: #a9b1c7;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.19em;
}

.workspace h1,
.stage h1 {
  margin-top: 8px;
  font-family: "Arial Black", Inter, system-ui, sans-serif;
  font-size: clamp(27px, 2.3vw, 38px);
  letter-spacing: 0.015em;
}

.workspace-head p {
  max-width: 550px;
  margin-top: 6px;
  color: #aab2c6;
  font-size: 14px;
  line-height: 1.48;
}

.save-state {
  position: static;
  min-height: 40px;
  padding: 0 15px;
  display: inline-flex;
  align-items: center;
  border-color: #2e3962;
  border-radius: 10px;
  color: #ebefff;
  background: rgba(8, 13, 31, 0.78);
  font: 700 11px ui-monospace, monospace;
}

.save-state::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 9px;
  border-radius: 50%;
  background: #42df79;
  box-shadow: 0 0 9px rgba(66, 223, 121, 0.7);
}

.tabs {
  position: relative;
  z-index: 2;
  display: flex;
  height: 54px;
  margin: 16px 0 -1px;
  padding: 0 8px;
  gap: 4px;
  align-items: stretch;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  overflow: visible;
}

.tabs button {
  position: relative;
  flex: 1 0 auto;
  min-width: max-content;
  margin: 7px 0 -1px;
  padding: 0 15px 1px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid color-mix(in srgb, var(--tab-border), transparent 42%);
  border-bottom: 0;
  border-radius: 9px 9px 0 0;
  color: #8e96ab;
  background: color-mix(in srgb, var(--tab-surface), transparent 58%);
  font-size: 12px;
  font-weight: 750;
  text-transform: uppercase;
  transition: color 150ms ease, background 150ms ease, border-color 150ms ease, margin 150ms ease;
  --tab-neon: var(--cyan);
}

.tabs .tab-label {
  white-space: nowrap;
}

.tabs.compact {
  padding: 0 4px;
  gap: 2px;
}

.tabs.compact button {
  padding: 0 10px 1px;
  gap: 6px;
}

.tabs.compact button i {
  font-size: 20px;
}

.tabs.compact button .material-symbols-outlined {
  flex-basis: 20px;
  width: 20px;
  height: 20px;
}

.tabs.icons-only {
  padding: 0;
  gap: 2px;
}

.tabs.icons-only button {
  flex: 1 1 0;
  min-width: 0;
  padding-inline: 4px;
  gap: 0;
}

.tabs.icons-only button i {
  font-size: 32px;
}

.tabs.icons-only button .material-symbols-outlined {
  flex-basis: 32px;
  width: 32px;
  height: 32px;
}

.tabs.icons-only .tab-label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.tabs button[data-tab="regions"],
#regions {
  --tab-neon: #32dbea;
}

#regions {
  container-type: inline-size;
  container-name: regions-panel;
}

.tabs button[data-tab="expressions"],
#expressions {
  --tab-neon: #ff397f;
}

.tabs button[data-tab="transparent"],
#transparent {
  --tab-neon: #9b5cff;
}

.tabs button[data-tab="beat"],
#beat {
  --tab-neon: #c8ff52;
}

#beat {
  container-type: inline-size;
  container-name: beat-panel;
}

.tabs button[data-tab="spectrum"],
#spectrum {
  --tab-neon: #73f275;
}

#spectrum {
  container-type: inline-size;
  container-name: spectrum-panel;
}

.tabs button[data-tab="memory"],
#memory {
  --tab-neon: #ff9e42;
}

#memory {
  container-type: inline-size;
  container-name: memory-panel;
}

.tabs button:hover:not(.active) {
  color: #d1d7e7;
  border-color: color-mix(in srgb, var(--tab-border), transparent 18%);
  background: color-mix(in srgb, var(--tab-surface), transparent 28%);
}

.tabs button:not(.active) i {
  opacity: 0.62;
  filter: drop-shadow(0 0 4px color-mix(in srgb, var(--tab-neon, var(--cyan)), transparent 78%));
}

.tabs button i,
.section-lead h2 i {
  position: relative;
  z-index: 1;
  color: var(--tab-neon, var(--cyan));
  font-size: 27px;
  font-style: normal;
  line-height: 1;
  filter: drop-shadow(0 0 6px color-mix(in srgb, var(--tab-neon, var(--cyan)), transparent 55%));
}

.tabs button .material-symbols-outlined,
.section-lead h2 .material-symbols-outlined {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 27px;
  width: 27px;
  height: 27px;
  font-weight: 400;
  letter-spacing: normal;
  text-transform: none;
  font-variation-settings: "FILL" 1, "wght" 400, "GRAD" 0, "opsz" 24;
}

.tabs button i::before,
.section-lead h2 i::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -6px;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--tab-neon, var(--cyan)), transparent 82%) 0%, transparent 70%);
  pointer-events: none;
}

.tabs button.active {
  z-index: 3;
  margin-top: 0;
  color: var(--tab-neon, var(--cyan));
  border-color: var(--tab-border);
  border-bottom: 1px solid var(--tab-surface);
  background: var(--tab-surface);
  box-shadow: inset 0 2px color-mix(in srgb, var(--tab-neon, var(--cyan)), transparent 78%), inset 0 1px rgba(255, 255, 255, 0.035);
}

.tabs button.active i {
  opacity: 1;
  color: var(--tab-neon, var(--cyan));
  filter: drop-shadow(0 0 8px color-mix(in srgb, var(--tab-neon, var(--cyan)), transparent 40%));
}

.tab-page.active {
  position: relative;
  z-index: 1;
  display: block;
  padding: 21px 15px 16px;
  border: 1px solid var(--tab-border);
  border-radius: 0 0 14px 14px;
  background: var(--tab-surface);
  background-image: linear-gradient(180deg, var(--tab-surface), rgba(7, 12, 27, 0.76) 150px);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.12);
}

.tab-page.active:has(.effect-select.open) {
  position: relative;
  z-index: 120;
}

.section-lead {
  min-height: 54px;
  margin: 0 4px 15px;
  align-items: center;
}

.section-lead h2 {
  margin-bottom: 5px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--tab-neon, var(--cyan));
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  text-shadow: 0 0 18px color-mix(in srgb, var(--tab-neon, var(--cyan)), transparent 81%);
}

.section-lead p {
  margin-left: 37px;
  color: #a4acc0;
  font-size: 12px;
  line-height: 1.45;
}

.order {
  padding: 9px 12px;
  border-color: #283251;
  color: #a9b2c8;
  background: #0a1022;
}

.region-grid {
  display: grid;
  width: 100%;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  overflow: visible;
}

@container regions-panel (max-width: 900px) {
  .region-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@container regions-panel (max-width: 520px) {
  .region-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

.region-card,
.expression-card,
.trans-card,
.beat-card,
.timing label,
.spectrum-flags label,
.beat-flags label,
.slot {
  border: 1px solid #303a5a;
  border-radius: 12px;
  background:
    linear-gradient(125deg, rgba(18, 24, 48, 0.96), rgba(11, 16, 36, 0.92)),
    var(--panel2);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.025);
}

.region-card {
  overflow: visible;
  min-width: 0;
  padding: 15px 16px 16px;
}

.region-card:has(.effect-select.open),
.trans-card:has(.effect-select.open) {
  z-index: 500;
  border-color: color-mix(in srgb, var(--accent), #394361 50%);
  box-shadow: 0 0 28px color-mix(in srgb, var(--accent), transparent 91%);
}

.region-card::before {
  display: none;
}

.region-card::after {
  content: "";
  position: absolute;
  z-index: 0;
  top: -35px;
  left: -30px;
  width: 130px;
  height: 110px;
  opacity: 0.08;
  border-radius: 50%;
  background: var(--accent);
  filter: blur(30px);
}

.region-card > * {
  position: relative;
  z-index: 1;
}

.card-head {
  justify-content: flex-start;
  gap: 11px;
}

.card-head > div {
  margin-right: auto;
}

.region-glyph {
  position: relative;
  width: 70px;
  height: 70px;
  flex: 0 0 70px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 0;
  color: var(--accent);
  background: transparent;
  font-size: 20px;
  text-shadow: 0 0 13px var(--accent);
}

.region-glyph > img,
.expression-icon > img {
  position: absolute;
  z-index: 1;
  inset: 4px;
  width: 62px;
  height: 62px;
  object-fit: contain;
  border-radius: 0;
  mix-blend-mode: normal;
  filter: url(#knock-dark);
}

.region-card[data-region="back"] .region-glyph > img {
  inset: 8px;
  width: 54px;
  height: 54px;
}

.card-head b,
.expression-card header b,
.trans-card header b {
  font-size: 15px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.card-head small,
.expression-card header small,
.trans-card header small {
  color: #8992ab;
}

.live-chip {
  padding: 6px 10px;
  border: 1px solid color-mix(in srgb, var(--accent), transparent 78%);
  border-radius: 8px;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent), transparent 91%);
  font: 750 10px ui-monospace, monospace;
  box-shadow: 0 0 18px color-mix(in srgb, var(--accent), transparent 88%);
}

.region-card select,
.expression-card select,
.trans-card select {
  height: 38px;
  padding: 0 11px;
  border-color: #394361;
  border-radius: 7px;
  color: #f0f2ff;
  background: #090e20;
}

.effect-select {
  position: relative;
  z-index: 1;
  display: block;
  overflow: visible;
}

.effect-select.open {
  z-index: 600;
}

.effect-select > select {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.effect-picker-trigger {
  width: 100%;
  height: 54px;
  padding: 4px 12px 4px 5px;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) 12px;
  align-items: center;
  gap: 10px;
  border: 1px solid #394361;
  border-radius: 9px;
  color: #f2f4ff;
  background: linear-gradient(110deg, #0b1125, #0a0f20);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.025);
  cursor: pointer;
}

.effect-picker-trigger:hover,
.effect-select.open .effect-picker-trigger {
  border-color: var(--accent, var(--cyan));
  background: linear-gradient(110deg, #111a35, #0b1126);
  box-shadow: 0 0 16px color-mix(in srgb, var(--accent, var(--cyan)), transparent 90%);
}

.effect-picker-trigger img,
.effect-picker-option img {
  width: 46px;
  height: 46px;
  object-fit: contain;
  border-radius: 0;
  mix-blend-mode: normal;
  filter: url(#knock-dark);
}

.effect-picker-trigger > span {
  overflow: hidden;
  font-size: 13px;
  font-weight: 750;
  text-align: left;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.effect-picker-trigger > i {
  width: 8px;
  height: 8px;
  border-right: 1px solid #aeb8d1;
  border-bottom: 1px solid #aeb8d1;
  transform: rotate(45deg) translateY(-3px);
  transition: transform 150ms ease;
}

.effect-select.open .effect-picker-trigger > i {
  transform: rotate(225deg) translate(-2px, -1px);
}

.effect-picker-menu {
  position: absolute;
  z-index: 700;
  top: calc(100% + 7px);
  left: 0;
  width: 100%;
  max-height: 360px;
  padding: 8px;
  display: none;
  grid-template-columns: minmax(0, 1fr);
  gap: 5px;
  overflow-y: auto;
  border: 1px solid #3a476d;
  border-radius: 12px;
  background: rgba(7, 12, 28, 0.98);
  box-shadow: 0 20px 55px rgba(0, 0, 0, 0.7), inset 0 1px rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(22px);
}

.effect-select.open .effect-picker-menu {
  display: grid;
}

.effect-picker-option {
  min-width: 0;
  height: 51px;
  padding: 3px 9px 3px 4px;
  display: grid;
  grid-template-columns: 43px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: #aeb7ce;
  background: transparent;
  cursor: pointer;
}

.effect-picker-option img {
  width: 43px;
  height: 43px;
}

.effect-picker-option span {
  overflow: hidden;
  font-size: 11px;
  font-weight: 700;
  text-align: left;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.effect-picker-option:hover {
  color: white;
  border-color: #34466c;
  background: #121b35;
}

.effect-picker-option[aria-selected="true"] {
  color: var(--cyan);
  border-color: rgba(0, 220, 255, 0.28);
  background: rgba(0, 184, 255, 0.1);
  box-shadow: inset 3px 0 var(--cyan);
}

.slider-row {
  color: #aab1c5;
  font-size: 12px;
}

.slider-row output {
  color: #e8ecff;
}

input[type="range"] {
  width: 100%;
  height: 20px;
  margin: 4px 0 0;
  padding: 0;
  appearance: none;
  -webkit-appearance: none;
  accent-color: auto;
  background: transparent;
  cursor: pointer;
}

input[type="range"]:focus-visible {
  box-shadow: none;
}

input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  border: 1px solid #303a50;
  border-radius: 999px;
  background: linear-gradient(180deg, #1b2437, #101624);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.72), 0 1px rgba(255, 255, 255, 0.025);
}

input[type="range"]::-webkit-slider-thumb {
  width: 11px;
  height: 16px;
  margin-top: -7px;
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid #77829a;
  border-radius: 4px;
  background: linear-gradient(135deg, #e2e7f2 0%, #9ca7ba 48%, #657086 100%);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.72), inset 1px 1px rgba(255, 255, 255, 0.48);
  transition: border-color 140ms ease, box-shadow 140ms ease, transform 140ms ease;
}

input[type="range"]::-moz-range-track,
input[type="range"]::-moz-range-progress {
  height: 2px;
  border: 1px solid #303a50;
  border-radius: 999px;
  background: linear-gradient(180deg, #1b2437, #101624);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.72), 0 1px rgba(255, 255, 255, 0.025);
}

input[type="range"]::-moz-range-thumb {
  width: 9px;
  height: 14px;
  border: 1px solid #77829a;
  border-radius: 4px;
  background: linear-gradient(135deg, #e2e7f2 0%, #9ca7ba 48%, #657086 100%);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.72), inset 1px 1px rgba(255, 255, 255, 0.48);
  transition: border-color 140ms ease, box-shadow 140ms ease, transform 140ms ease;
}

input[type="range"]:hover::-webkit-slider-thumb,
input[type="range"]:focus-visible::-webkit-slider-thumb {
  border-color: #aeb8cb;
  box-shadow: 0 2px 7px rgba(0, 0, 0, 0.78), 0 0 0 3px rgba(133, 151, 185, 0.12), inset 1px 1px rgba(255, 255, 255, 0.55);
}

input[type="range"]:hover::-moz-range-thumb,
input[type="range"]:focus-visible::-moz-range-thumb {
  border-color: #aeb8cb;
  box-shadow: 0 2px 7px rgba(0, 0, 0, 0.78), 0 0 0 3px rgba(133, 151, 185, 0.12), inset 1px 1px rgba(255, 255, 255, 0.55);
}

input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin: 0 5px 0 0;
  display: inline-grid;
  flex: 0 0 16px;
  place-content: center;
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid #465169;
  border-radius: 4px;
  vertical-align: -3px;
  background: linear-gradient(145deg, #151d2d, #0b101c);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.68), 0 1px rgba(255, 255, 255, 0.025);
  cursor: pointer;
  transition: border-color 140ms ease, background 140ms ease, box-shadow 140ms ease;
}

input[type="checkbox"]::before {
  content: "";
  width: 7px;
  height: 4px;
  border-bottom: 1.5px solid #f0f3fa;
  border-left: 1.5px solid #f0f3fa;
  opacity: 0;
  transform: translateY(-1px) rotate(-45deg) scale(0.65);
  transition: opacity 120ms ease, transform 140ms ease;
}

input[type="checkbox"]:hover {
  border-color: #68758e;
  background: linear-gradient(145deg, #1b2538, #0e1422);
}

input[type="checkbox"]:checked {
  border-color: #7e8ba3;
  background: linear-gradient(145deg, #59657a, #323c50);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.45), inset 0 1px rgba(255, 255, 255, 0.16);
}

input[type="checkbox"]:checked::before {
  opacity: 1;
  transform: translateY(-1px) rotate(-45deg) scale(1);
}

input[type="checkbox"]:focus-visible {
  border-color: #8996ad;
  box-shadow: 0 0 0 3px rgba(133, 151, 185, 0.13), inset 0 1px rgba(255, 255, 255, 0.12);
}

.master-flags label,
.spectrum-flags label,
.beat-flags label,
.mini-toggles label,
.toggle-grid label {
  min-height: 20px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  line-height: 1.2;
}

.master-flags label input[type="checkbox"],
.spectrum-flags label input[type="checkbox"],
.beat-flags label input[type="checkbox"],
.mini-toggles label input[type="checkbox"],
.toggle-grid label input[type="checkbox"] {
  margin: 0;
  vertical-align: middle;
}

.mini-toggles,
.toggle-grid {
  color: #a4acc0;
}

.expression-grid,
.transparent-grid {
  gap: 24px;
}

.expression-card {
  min-height: 206px;
  padding: 20px 23px;
  border-color: #303a5a;
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.025);
}

.expression-card header {
  gap: 13px;
}

.expression-card header > div {
  margin-right: auto;
}

.expression-icon {
  position: relative;
  width: 70px !important;
  height: 70px !important;
  display: grid;
  place-items: center;
  border: 0 !important;
  border-radius: 0 !important;
  color: var(--accent);
  background: transparent !important;
  box-shadow: none !important;
  font-size: 37px;
  font-style: normal;
  text-shadow: 0 0 16px var(--accent);
}

.expression-icon > img {
  inset: 4px;
  width: 62px;
  height: 62px;
}

.expression-card > label {
  grid-template-columns: 1fr;
  text-transform: uppercase;
}

.expression-card p {
  color: #929bb2;
  font-size: 12px;
}

.mask-note,
.firmware-note {
  border-color: rgba(117, 67, 255, 0.22);
  background: rgba(70, 38, 145, 0.08);
}

.mask-note b,
.firmware-note b {
  color: #b45cff;
}

.trans-card {
  padding: 20px;
}

.flow {
  color: #919bb4;
}

.flow span {
  border-color: #303a5b;
  background: #0a1021;
}

.beat-grid {
  display: grid;
  width: 100%;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 11px;
}

@container beat-panel (max-width: 960px) {
  .beat-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@container beat-panel (max-width: 720px) {
  .beat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@container beat-panel (max-width: 460px) {
  .beat-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .lightning {
    grid-column: auto;
  }
}

.beat-card {
  --effect-accent: #557cff;
  min-width: 0;
  min-height: 95px;
  padding: 13px 14px;
  display: grid;
  grid-template-columns: 66px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  overflow: hidden;
}

.beat-card::after {
  content: "";
  position: absolute;
  left: -25px;
  width: 110px;
  height: 100px;
  border-radius: 50%;
  opacity: 0.08;
  background: var(--effect-accent);
  filter: blur(24px);
}

.beat-body,
.effect-icon {
  position: relative;
  z-index: 1;
}

.beat-body {
  min-width: 0;
}

.beat-body > b {
  display: block;
  overflow: hidden;
  margin-bottom: 7px;
  color: #f5f6ff;
  font-size: 12px;
  font-weight: 800;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.effect-icon {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  color: var(--effect-accent);
  font-family: Georgia, serif;
  font-size: 48px;
  line-height: 1;
  text-shadow: 0 0 14px var(--effect-accent), 0 0 28px color-mix(in srgb, var(--effect-accent), transparent 45%);
  transform: rotate(-7deg);
}

.effect-icon > img {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 62px;
  height: 62px;
  object-fit: contain;
  border-radius: 0;
  mix-blend-mode: normal;
  filter: url(#knock-dark);
}

.effect-plasma {
  --effect-accent: #e432da;
  color: #de32d0;
}

.effect-hue {
  color: #8c55ff;
  background: conic-gradient(#ff315f, #ffe04a, #24e6b2, #2f91ff, #a844ff, #ff315f);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.effect-sparkles,
.effect-star-travel {
  color: #775cff;
}

.effect-digital-rain,
.effect-lizard-skin {
  color: #24e69a;
}

.effect-fire {
  color: #ff542e;
}

.effect-fireworks {
  color: #ff4fad;
}

.effect-water-splash {
  color: #476dff;
}

.effect-spirals {
  color: #25a8ff;
}

.effect-northern-lights {
  color: #25e8cf;
}

.effect-lightning-bolts {
  color: #17b8ff;
}

.beat-card .toggle-grid {
  gap: 4px;
  margin: 0;
}

.beat-card .toggle-grid label {
  min-height: 22px;
  font-size: 11px;
}

.switch {
  width: 34px;
  height: 18px;
  padding: 2px;
  flex: 0 0 auto;
  background: #39415b;
}

.switch.on {
  background: linear-gradient(90deg, #318bff, #16d9eb);
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.42);
}

.switch.on::after {
  transform: translateX(16px);
}

.lightning {
  grid-column: span 2;
  grid-template-columns: 76px minmax(0, 1fr);
}

.lightning .beat-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 16px;
}

.lightning .beat-body > b {
  grid-column: 1 / -1;
}

.lightning .slider-row {
  margin-top: 2px;
}

.lightning .toggle-grid {
  align-self: end;
}

.timing {
  gap: 11px;
}

.spectrum-flags,
.beat-flags {
  margin: 0 0 11px;
}

.spectrum-flags label,
.beat-flags label {
  min-height: 52px;
  padding: 0 16px;
}

.slots {
  display: grid;
  width: 100%;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

@container memory-panel (max-width: 960px) {
  .slots {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@container memory-panel (max-width: 720px) {
  .slots {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@container memory-panel (max-width: 460px) {
  .slots {
    grid-template-columns: minmax(0, 1fr);
  }
}

.slot {
  min-width: 0;
  min-height: 58px;
  border-color: #303a5b;
}

.slot button {
  border-color: #364160;
  color: #b8bfd4;
  background: #10172d;
}

.slot button:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.stage {
  position: fixed;
  z-index: 1000;
  top: 0;
  right: 0;
  left: auto;
  width: var(--preview-width);
  height: 100vh;
  padding: 28px 34px;
  display: block;
  overflow-y: auto;
  border: 0;
  border-left: 1px solid #334065;
  background: rgba(5, 9, 20, 0.96);
  box-shadow: -30px 0 80px rgba(0, 0, 0, 0.58);
  backdrop-filter: blur(24px);
  transform: translateX(105%);
  transition: transform 240ms cubic-bezier(0.22, 0.78, 0.2, 1);
}

body.preview-open .stage {
  transform: translateX(0);
}

.stage-head {
  grid-column: 1 / -1;
  align-items: flex-start;
}

.stage .viewer {
  grid-column: 1;
  grid-row: 2 / 5;
}

.stage .master-card {
  grid-column: 2;
  grid-row: 2;
  margin-top: 12px;
}

.stage .power-card {
  grid-column: 2;
  grid-row: 3;
}

.stage .legend {
  grid-column: 2;
  grid-row: 4;
  align-content: start;
  margin-top: 4px;
}

.stage-tools {
  display: flex;
  align-items: center;
  gap: 12px;
}

.preview-close {
  width: 34px;
  height: 34px;
  padding: 0;
  border: 1px solid #344162;
  border-radius: 8px;
  color: #b9c2d9;
  background: #0d1428;
  font-size: 22px;
  cursor: pointer;
}

.viewer {
  min-height: 380px;
}

.viewer svg {
  min-height: 330px;
}

.signal,
.master-card,
.power-card {
  border-color: #303b5c;
  background: rgba(12, 19, 39, 0.9);
}

.shell {
  fill: #000;
  stroke: #000;
  stroke-width: 2;
}

.toast {
  left: calc(50% + var(--nav-width) / 2);
  border: 1px solid #5b6990;
  color: #eef2ff;
  background: #121a31;
  box-shadow: 0 14px 50px #000;
}

@media (max-width: 1220px) {
  .workspace-head {
    padding-right: 300px;
  }
}

@media (min-width: 1301px) {
  body.preview-open .workspace {
    margin-right: var(--preview-width);
  }
}

@media (min-width: 1024px) and (max-width: 1300px) {
  body.preview-open .workspace {
    margin-right: var(--preview-width);
  }

  body.preview-open .expression-grid,
  body.preview-open .transparent-grid {
    grid-template-columns: 1fr;
  }

  body.preview-open .lightning {
    grid-column: auto;
  }
}

@media (max-width: 1023px) {
  .stage {
    position: relative;
    z-index: 1;
    inset: auto;
    width: 100%;
    height: auto;
    max-height: 0;
    padding: 0 32px;
    display: grid;
    grid-template-columns: minmax(390px, 1.45fr) minmax(280px, 0.55fr);
    grid-template-rows: auto auto auto auto;
    column-gap: 30px;
    row-gap: 10px;
    overflow: hidden;
    border-left: 0;
    border-bottom: 1px solid transparent;
    opacity: 0;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
    transform: translateY(-24px);
    pointer-events: none;
    transition: max-height 320ms ease, padding 320ms ease, opacity 180ms ease, transform 260ms ease, border-color 260ms ease;
  }

  body.preview-open .stage {
    max-height: 1400px;
    padding: 24px 32px;
    border-bottom-color: #334065;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .stage .master-card {
    margin-top: 0;
  }

  .workspace-head {
    padding-right: 0;
  }
}

@media (max-width: 900px) {
  :root {
    --nav-width: 0px;
  }

  .topbar {
    inset: auto 0 0 0;
    width: 100%;
    height: 70px;
    padding: 7px 10px;
    border-top: 1px solid #293553;
    border-right: 0;
  }

  .brand,
  .transport {
    display: none;
  }

  .side-nav {
    height: 100%;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3px;
  }

  .side-nav button {
    min-height: 54px;
    padding: 4px;
    gap: 3px;
  }

  .side-nav button i {
    font-size: 28px;
  }

  .side-nav button .material-symbols-outlined {
    width: 28px;
    height: 28px;
  }

  .side-nav button span {
    font-size: 10px;
  }

  .side-nav button.active::before {
    inset: auto 18px -7px;
    width: auto;
    height: 2px;
  }

  main {
    margin-left: 0;
    padding-bottom: 72px;
  }

  .workspace {
    padding: 24px 20px 40px;
  }

  .workspace-head {
    display: flex;
    align-items: center;
    gap: 14px;
    min-height: 0;
    padding: 0;
  }

  .title-mark {
    display: block;
    flex: 0 0 160px;
  }

  .stage {
    width: 100%;
  }

  .stage .viewer {
    min-height: 300px;
  }

  .stage .viewer svg {
    height: 300px;
    min-height: 280px;
  }
}

@media (max-width: 650px) {
  .stage {
    display: block;
    padding: 0 15px;
  }

  body.preview-open .stage {
    padding: 20px 15px 28px;
  }

  .workspace {
    padding: 17px 12px 34px;
  }

  .workspace-head {
    min-height: 0;
    padding-top: 0;
  }

  .workspace-head p {
    font-size: 13px;
  }

  .tabs {
    height: 48px;
    margin-top: 5px;
  }

  .tab-page.active {
    padding: 13px 10px;
  }

  .expression-grid,
  .transparent-grid,
  .timing {
    grid-template-columns: 1fr;
  }

  .lightning {
    grid-column: auto;
  }

  .effect-picker-menu,
  .region-card:nth-child(even) .effect-picker-menu,
  .region-card:nth-child(3n) .effect-picker-menu,
  .trans-card:nth-child(2n) .effect-picker-menu {
    right: auto;
    left: 0;
    width: 100%;
    grid-template-columns: 1fr;
  }

  .expression-grid {
    gap: 12px;
  }

  .flow {
    overflow-x: auto;
    justify-content: flex-start;
  }

  .section-lead p {
    margin-left: 0;
  }

  .viewer svg {
    height: 350px;
    min-height: 320px;
  }

  .toast {
    bottom: 86px;
  }
}