:root {
  color-scheme: light;
  --masthead-height: 7.25rem;
  --red: #ee1c25;
  --ink: #161616;
  --muted: #6c6c6c;
  --paper: #f5f4f1;
  --panel: #ffffff;
  --line: #dedbd5;
  --focus: #2457d6;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  height: 100dvh;
  overflow: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select {
  font: inherit;
}

.masthead {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  height: var(--masthead-height);
  padding: 0.8rem clamp(1rem, 3vw, 2.5rem) 0.75rem;
  overflow: hidden;
}

.eyebrow {
  margin: 0 0 0.35rem;
  color: var(--red);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0.25rem;
  font-size: clamp(1.7rem, 3vw, 2.8rem);
  letter-spacing: -0.04em;
}

h2 {
  margin-bottom: 1rem;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lede,
.status span,
#export-note,
.section-note {
  color: var(--muted);
}

.lede {
  margin-bottom: 0;
}

.status {
  flex: 0 0 auto;
  text-align: right;
}

.status strong {
  display: block;
  color: var(--red);
  font-size: 1.7rem;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(24rem, 1fr);
  height: calc(100dvh - var(--masthead-height));
  min-height: 0;
  padding: 0;
  overflow: hidden;
}

.preview-panel,
.controls section {
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  background: var(--panel);
  box-shadow: 0 10px 35px rgb(0 0 0 / 0.04);
}

.preview-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  border: 0;
  border-right: 1px solid var(--line);
  border-radius: 0;
  background: #fff;
  box-shadow: none;
}

#artwork {
  display: block;
  width: 100%;
  height: auto;
  max-height: 100%;
  flex: none;
  aspect-ratio: 2 / 1;
}

.engine-status {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin: -0.2rem 0 0.3rem;
  color: var(--muted);
  font-size: 0.72rem;
}

.engine-status::before {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--red);
  content: "";
}

.controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
  align-content: start;
  height: 100%;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
  gap: 0.75rem;
  padding: 0.75rem;
}

.controls section {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0.85rem;
}

.control,
.select-control,
.compact-control {
  display: grid;
  align-items: center;
  gap: 0.3rem 0.65rem;
  margin-bottom: 0.55rem;
}

.control {
  grid-template-columns: minmax(13rem, 1.2fr) minmax(7rem, 1fr);
}

.control > span {
  grid-column: 1;
  grid-row: 1;
}

.control > input[type="range"] {
  grid-column: 2;
  grid-row: 1;
}

.control > .range-scale {
  grid-column: 2;
  grid-row: 2;
}

.select-control {
  grid-template-columns: minmax(10rem, 0.8fr) minmax(12rem, 1.2fr);
}

.select-control > span {
  grid-column: 1;
}

.select-control > select {
  grid-column: 2;
}

.control > span,
.select-control > span,
.compact-control > span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
  gap: 0.5rem;
  font-size: 0.84rem;
  font-weight: 650;
}

output {
  color: var(--muted);
  font-weight: 500;
}

.range-scale {
  display: flex !important;
  justify-content: space-between !important;
  color: var(--muted);
  font-size: 0.72rem !important;
  font-weight: 500 !important;
}

.precision-entry {
  display: inline-flex;
  align-items: center;
  justify-content: end;
  gap: 0.3rem;
  color: var(--muted);
  font-weight: 500;
}

.precision-entry input[type="number"] {
  width: 6.8rem;
  min-height: 1.9rem;
  padding: 0.25rem 0.4rem;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--red);
}

input[type="number"],
select {
  width: 100%;
  min-height: 2.4rem;
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 0.45rem;
  color: var(--ink);
  background: var(--panel);
}

.check {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0.45rem 0;
  font-size: 0.9rem;
}

.check input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--red);
}

.two-up,
.button-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

button {
  min-height: 2.6rem;
  border: 1px solid var(--ink);
  border-radius: 0.5rem;
  color: var(--panel);
  background: var(--ink);
  cursor: pointer;
}

button:hover {
  background: var(--red);
  border-color: var(--red);
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--focus) 35%, transparent);
  outline-offset: 2px;
}

#export-note {
  margin: 0.8rem 0 0;
  font-size: 0.78rem;
}

.section-note {
  margin: -0.35rem 0 0.8rem;
  font-size: 0.78rem;
}

.boundary-clearances {
  display: grid;
  gap: 0.4rem;
}

.boundary-clearance-row {
  display: grid;
  grid-template-columns: minmax(7rem, 1fr) 6.8rem minmax(7rem, 1fr);
  align-items: center;
  gap: 0.35rem 0.55rem;
  padding: 0.4rem 0;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 65%, transparent);
  font-size: 0.82rem;
}

.boundary-clearance-row input[type="number"] {
  min-height: 2rem;
  padding: 0.3rem 0.4rem;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.boundary-clearance-row input[type="range"] {
  grid-column: 3;
}

.secondary-button {
  width: 100%;
  min-height: 2.2rem;
  margin-top: 0.8rem;
  border-color: var(--line);
  color: var(--ink);
  background: var(--panel);
  font-size: 0.82rem;
}

.settings-actions .secondary-button {
  margin-top: 0;
}

.compact-button {
  margin-top: 0.65rem;
}

@media (max-width: 1100px) {
  :root {
    --masthead-height: 6.5rem;
  }

  .layout {
    grid-template-columns: 1fr;
    grid-template-rows: min(50vw, 44dvh) minmax(0, 1fr);
  }

  .preview-panel {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

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

@media (max-width: 620px) {
  :root {
    --masthead-height: 5.25rem;
  }

  .masthead {
    align-items: center;
    flex-direction: row;
    gap: 0.5rem;
    padding: 0.55rem 0.75rem;
  }

  .eyebrow,
  .lede {
    display: none;
  }

  h1 {
    margin: 0;
    font-size: clamp(1.35rem, 7vw, 1.8rem);
  }

  .status {
    margin-left: auto;
    text-align: right;
  }

  .status strong {
    font-size: 1.35rem;
  }

  .status span {
    font-size: 0.72rem;
  }

  .layout {
    grid-template-rows: min(50vw, 36dvh) minmax(0, 1fr);
  }

  .controls {
    grid-template-columns: 1fr;
  }

  .control,
  .select-control {
    grid-template-columns: 1fr;
  }

  .control > span,
  .control > input[type="range"],
  .control > .range-scale,
  .select-control > span,
  .select-control > select {
    grid-column: 1;
    grid-row: auto;
  }

  .boundary-clearance-row {
    grid-template-columns: 1fr 6.8rem;
  }

  .boundary-clearance-row input[type="range"] {
    grid-column: 1 / -1;
  }

}

/* Final instrument frame: artwork remains visible; one compact control deck lives below it. */
:root {
  --masthead-height: 5.6rem;
  --control-dock-height: 18rem;
}

.masthead {
  padding-block: 0.55rem;
}

.layout {
  grid-template-columns: 1fr;
  grid-template-rows: minmax(0, 1fr) var(--control-dock-height);
}

.preview-panel {
  position: relative;
  border-right: 0;
  border-bottom: 1px solid var(--line);
}

#artwork {
  width: 100%;
  height: 100%;
  max-height: none;
}

.emitter-readout {
  position: absolute;
  top: 0.55rem;
  left: 0.65rem;
  z-index: 2;
  max-width: calc(100% - 1.3rem);
  padding: 0.35rem 0.55rem;
  border: 1px solid color-mix(in srgb, var(--ink) 15%, transparent);
  border-radius: 999px;
  color: var(--ink);
  background: rgb(255 255 255 / 0.9);
  box-shadow: 0 3px 12px rgb(0 0 0 / 0.08);
  font-size: 0.75rem;
  font-weight: 700;
  pointer-events: none;
  backdrop-filter: blur(7px);
}

.emitter-map-item {
  color: var(--focus);
  cursor: crosshair;
}

.emitter-map-hit {
  fill: none;
  stroke: transparent;
  stroke-width: 28;
  pointer-events: stroke;
}

.emitter-map-line {
  fill: none;
  stroke: currentColor;
  stroke-width: 3;
  stroke-dasharray: 9 7;
  opacity: 0;
  pointer-events: none;
}

.emitter-map-anchor {
  fill: color-mix(in srgb, var(--focus) 82%, white);
  stroke: white;
  stroke-width: 3;
  opacity: 0.55;
  pointer-events: none;
}

.emitter-map-code {
  fill: var(--focus);
  stroke: white;
  stroke-width: 5;
  paint-order: stroke;
  font: 800 17px/1 Inter, ui-sans-serif, system-ui, sans-serif;
  letter-spacing: 0.02em;
  opacity: 0.72;
  pointer-events: none;
}

#emitter-map.show-all .emitter-map-line {
  opacity: 0.24;
}

#emitter-map.show-all .emitter-map-anchor,
#emitter-map.show-all .emitter-map-code,
.emitter-map-item.is-highlighted .emitter-map-line,
.emitter-map-item.is-highlighted .emitter-map-anchor,
.emitter-map-item.is-highlighted .emitter-map-code {
  opacity: 1;
}

#artwork.has-emitter-highlight .streamer-leaf:not(.is-highlighted) {
  opacity: 0.11;
}

#artwork.has-emitter-highlight .streamer-leaf.is-highlighted {
  filter: drop-shadow(0 0 6px rgb(36 87 214 / 0.8));
}

.controls {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto minmax(0, 1fr);
  align-content: stretch;
  gap: 0;
  padding: 0;
  overflow: hidden;
  background: var(--paper);
}

.control-tabs {
  display: flex;
  gap: 0.25rem;
  min-width: 0;
  padding: 0.35rem 0.55rem;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  scrollbar-width: thin;
}

.control-tabs button {
  flex: 0 0 auto;
  min-height: 1.9rem;
  padding: 0.2rem 0.75rem;
  border-color: transparent;
  border-radius: 999px;
  color: var(--ink);
  background: transparent;
  font-size: 0.78rem;
  font-weight: 750;
}

.control-tabs button:hover,
.control-tabs button.is-active {
  border-color: var(--red);
  color: white;
  background: var(--red);
}

.controls .control-panel {
  display: none;
  grid-template-columns: repeat(auto-fit, minmax(11.5rem, 1fr));
  grid-auto-rows: min-content;
  align-content: start;
  gap: 0.45rem;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0.55rem;
  overflow: auto;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  overscroll-behavior: contain;
}

.controls .control-panel.is-active {
  display: grid;
}

.control-panel > h2 {
  display: none;
}

.control-panel > .section-note,
.control-panel > .engine-status,
.control-panel > .settings-actions,
.control-panel > .compact-button,
.control-panel > .boundary-clearances,
.control-panel > .red-row-condition-controls-wrap,
.control-panel > .button-row,
.control-panel > #export-note {
  grid-column: 1 / -1;
}

.control-panel > .section-note {
  margin: 0;
}

.control-panel .control,
.control-panel .select-control,
.control-panel .compact-control,
.control-panel .check {
  min-width: 0;
  margin: 0;
  padding: 0.42rem;
  border: 1px solid color-mix(in srgb, var(--line) 78%, transparent);
  border-radius: 0.55rem;
  background: var(--panel);
}

.control-panel .control {
  grid-template-columns: minmax(0, 1fr) 1.1rem;
  grid-template-rows: minmax(4.25rem, auto);
  gap: 0.35rem;
}

.control-panel .control > span {
  grid-column: 1;
  grid-row: 1;
  align-content: space-between;
  align-items: flex-start;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0;
}

.control-panel .control > input[type="range"] {
  grid-column: 2;
  grid-row: 1;
  width: 1.1rem;
  height: 4.25rem;
  margin: auto;
  writing-mode: vertical-lr;
  direction: rtl;
}

.control-panel .range-scale {
  display: none !important;
}

.control-panel .select-control {
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

.control-panel .select-control > span,
.control-panel .select-control > select {
  width: 100%;
}

.precision-entry input[type="number"] {
  width: 5.1rem;
  min-height: 1.7rem;
  font-size: 0.76rem;
}

.boundary-clearances {
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
}

.boundary-clearance-row {
  grid-template-columns: minmax(0, 1fr) 4.8rem;
  gap: 0.3rem;
  padding: 0.3rem 0.45rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: var(--panel);
}

.boundary-clearance-row input[type="range"] {
  grid-column: 1 / -1;
}

[data-emitter-group].is-highlighted:not(.streamer-leaf):not(.emitter-map-item) {
  outline: 2px solid var(--focus);
  outline-offset: 1px;
}

.red-row-condition-controls-wrap h3 {
  margin: 0 0 0.15rem;
  font-size: 0.77rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.red-row-condition-controls-wrap .section-note {
  margin: 0 0 0.35rem;
}

.red-row-condition-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: 0.35rem;
}

.red-row-condition-card {
  min-width: 0;
  padding: 0.4rem;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  background: var(--panel);
}

.red-row-condition-card > strong {
  display: block;
  margin-bottom: 0.3rem;
  overflow: hidden;
  font-size: 0.76rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.red-row-condition-fields {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 0.35rem;
}

.red-row-condition-field {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.15rem;
  min-width: 0;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 700;
}

.red-row-condition-field input[type="number"] {
  min-height: 1.7rem;
  padding: 0.2rem 0.3rem;
  text-align: right;
  font-size: 0.74rem;
  font-variant-numeric: tabular-nums;
}

.red-row-condition-field input[type="range"] {
  height: 0.75rem;
}

#reset-red-row-conditions {
  min-height: 1.8rem;
  margin-top: 0.35rem;
}

@media (max-width: 700px) {
  :root {
    --masthead-height: 4.35rem;
    --control-dock-height: 44dvh;
  }

  .masthead {
    padding: 0.35rem 0.55rem;
  }

  .layout {
    grid-template-rows: minmax(0, 1fr) var(--control-dock-height);
  }

  .controls .control-panel {
    grid-template-columns: repeat(2, minmax(9rem, 1fr));
  }

  .emitter-map-code {
    font-size: 23px;
  }
}