/* SPDX-License-Identifier: MPL-2.0 */
:root {
  color-scheme: dark;
  --background: #070908;
  --surface: #0d1110;
  --surface-raised: #121817;
  --surface-soft: #171d1b;
  --canvas: #040605;
  --ink: #e5e9e5;
  --muted: #929d97;
  --dim: #606b65;
  --line: #2a3530;
  --line-strong: #4a5951;
  --accent: #c8a35d;
  --accent-bright: #e8c77f;
  --accent-dark: #69542d;
  --success: #88a98e;
  --danger: #c97968;
  --q0: #63b9aa;
  --q1: #c69c58;
  --q2: #a77994;
  --fixed: #d8ddd8;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  min-width: 320px;
  background: var(--background);
  color: var(--ink);
  font-family: var(--sans);
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    radial-gradient(circle at 82% 9%, rgb(99 185 170 / 7%), transparent 30rem),
    radial-gradient(circle at 18% 43%, rgb(200 163 93 / 6%), transparent 34rem),
    var(--background);
}

button,
input,
select {
  font: inherit;
}

button,
select,
.file-button {
  border: 1px solid var(--line);
  color: var(--ink);
  background: #0a0e0c;
}

button,
.file-button {
  min-height: 38px;
  padding: 9px 11px;
  cursor: pointer;
}

button:hover:not(:disabled),
.file-button:hover {
  border-color: var(--line-strong);
  background: var(--surface-soft);
}

button:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

button:focus-visible,
select:focus-visible,
input:focus-visible,
a:focus-visible,
.file-button:focus-within {
  outline: 2px solid var(--accent-bright);
  outline-offset: 3px;
}

button.primary {
  border-color: var(--accent-dark);
  background: linear-gradient(180deg, #3a301f, #251f15);
  color: var(--accent-bright);
}

a {
  color: var(--accent-bright);
  text-decoration-color: var(--accent-dark);
  text-underline-offset: 3px;
}

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

h1,
h2 {
  letter-spacing: -0.035em;
}

h1 {
  margin-bottom: 5px;
  font-size: clamp(24px, 3.1vw, 42px);
  line-height: 0.98;
  font-weight: 760;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(17px, 2vw, 23px);
  font-weight: 690;
}

code {
  padding: 2px 5px;
  border: 1px solid var(--line);
  background: var(--background);
  color: var(--accent-bright);
  font: 560 0.92em/1.4 var(--mono);
}

.eyebrow {
  margin-bottom: 7px;
  color: var(--accent);
  font: 700 10px/1 var(--mono);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.masthead {
  min-height: 106px;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 19px clamp(18px, 3vw, 38px);
  background: rgb(7 9 8 / 94%);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(18px);
}

.brand-mark {
  width: 74px;
  height: 62px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  box-shadow:
    inset 0 0 0 5px var(--background),
    inset 0 0 0 6px #2b3530;
  color: var(--accent);
  position: relative;
  font: 720 23px/1 var(--mono);
  letter-spacing: -0.08em;
}

.brand-mark b {
  position: absolute;
  right: 7px;
  bottom: 6px;
  min-width: 18px;
  color: var(--muted);
  font-size: 8px;
  letter-spacing: 0.02em;
  text-align: right;
}

.brand-copy {
  min-width: 0;
}

.brand-copy > p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.header-status {
  margin-left: auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
  font: 650 9px/1 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.status-chip,
.concept-chip {
  padding: 8px 10px;
  border: 1px solid var(--line);
  color: var(--muted);
}

.status-chip i {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 9px rgb(136 169 142 / 60%);
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(310px, 370px) minmax(0, 1fr);
  min-height: calc(100vh - 106px);
}

.control-rack {
  min-width: 0;
  padding: 16px;
  background: rgb(10 13 12 / 92%);
  border-right: 1px solid var(--line);
}

.rack-section {
  padding: 18px 16px;
  border: 1px solid var(--line);
  border-bottom: 0;
  background:
    linear-gradient(145deg, rgb(255 255 255 / 1.7%), transparent 42%),
    var(--surface);
}

.rack-section:last-child {
  border-bottom: 1px solid var(--line);
}

.section-label {
  margin-bottom: 15px;
  color: var(--muted);
  font: 720 10px/1 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-label span {
  color: var(--accent);
  padding-right: 7px;
}

.rack-section > label:not(.check-row),
#orbitControl {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  margin-top: 13px;
  color: var(--muted);
  font: 620 10px/1.2 var(--mono);
  letter-spacing: 0.025em;
}

.rack-section > label select,
.rack-section > label input[type="range"],
#orbitControl input[type="range"] {
  grid-column: 1 / -1;
}

select {
  width: 100%;
  min-height: 38px;
  padding: 8px 32px 8px 10px;
}

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

output {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.transport-row,
.transport-grid,
.export-grid,
.tuning-shortcuts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.transport-grid {
  margin-top: 13px;
}

.tuning-shortcuts {
  margin-top: 9px;
}

.tuning-shortcuts button {
  min-height: 32px;
  padding: 6px;
  color: var(--muted);
  font: 620 10px/1 var(--mono);
}

.tuning-shortcuts button.active {
  border-color: var(--accent-dark);
  color: var(--accent-bright);
  background: #2a2318;
}

.control-note {
  margin: 11px 0 0;
  color: var(--dim);
  font: 520 10px/1.5 var(--mono);
}

.check-grid {
  display: grid;
  gap: 7px;
  margin: 14px 0;
}

.check-row {
  display: flex !important;
  align-items: center;
  gap: 9px;
  margin: 0 !important;
  color: var(--muted);
  font: 580 10px/1.2 var(--mono);
}

.geometry-timbre-row {
  margin-top: 13px !important;
}

.check-row input {
  accent-color: var(--accent);
}

.audio-progress {
  height: 4px;
  margin-top: 12px;
  overflow: hidden;
  background: #050706;
  border: 1px solid #1f2824;
}

.audio-progress i {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-dark), var(--accent-bright));
  transition: width 80ms linear;
}

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

.file-button {
  display: grid;
  place-items: center;
  text-align: center;
  font-size: 13px;
}

.file-button input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.workspace {
  min-width: 0;
  padding: clamp(18px, 3vw, 36px);
}

.model-heading,
.panel-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

.model-heading {
  margin-bottom: 19px;
}

.model-heading > p {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  text-align: right;
}

.visual-panel,
.inspector-panel,
.sequence-panel,
.readout-panel,
.mapping-panel,
.boundary-panel {
  border: 1px solid var(--line);
  background: var(--surface);
}

.visual-panel,
.sequence-panel {
  padding: 16px;
}

.panel-head {
  margin-bottom: 14px;
}

.panel-head.compact {
  align-items: center;
}

.panel-head.compact > p {
  margin: 0;
  color: var(--muted);
  font: 540 10px/1.4 var(--mono);
  text-align: right;
}

.panel-badges {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.panel-badges span {
  padding: 7px 9px;
  border: 1px solid var(--line);
  color: var(--muted);
  font: 650 9px/1 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

#audioBadge.active {
  border-color: var(--accent-dark);
  color: var(--accent-bright);
  background: #241f15;
}

.canvas-stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 560px;
  background:
    linear-gradient(90deg, rgb(255 255 255 / 1.4%) 1px, transparent 1px) 0 0 / 42px 42px,
    linear-gradient(rgb(255 255 255 / 1.4%) 1px, transparent 1px) 0 0 / 42px 42px,
    radial-gradient(circle at 50% 50%, rgb(200 163 93 / 4%), transparent 55%),
    var(--canvas);
  border: 1px solid var(--line);
  overflow: hidden;
}

#e8Canvas {
  display: block;
  width: 100%;
  height: min(72vw, 820px);
  min-height: 560px;
  cursor: grab;
  touch-action: none;
}

#e8Canvas:active {
  cursor: grabbing;
}

.canvas-hint {
  position: absolute;
  right: 10px;
  bottom: 9px;
  z-index: 3;
  padding: 5px 7px;
  color: var(--dim);
  background: rgb(4 6 5 / 80%);
  font: 530 9px/1 var(--mono);
  pointer-events: none;
}

.hover-label {
  position: absolute;
  z-index: 4;
  max-width: 260px;
  padding: 7px 9px;
  border: 1px solid var(--line-strong);
  color: var(--ink);
  background: rgb(8 12 10 / 94%);
  box-shadow: 0 10px 30px rgb(0 0 0 / 35%);
  font: 540 9px/1.45 var(--mono);
  pointer-events: none;
}

.visual-legend {
  display: flex;
  align-items: center;
  gap: 9px 15px;
  flex-wrap: wrap;
  padding-top: 13px;
  color: var(--muted);
  font: 560 10px/1.3 var(--mono);
}

.visual-legend span {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

.visual-legend i {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 6px;
  border-radius: 50%;
  box-shadow: 0 0 9px currentColor;
}

.legend-q0 {
  background: var(--q0);
  color: var(--q0);
}

.legend-q1 {
  background: var(--q1);
  color: var(--q1);
}

.legend-q2 {
  background: var(--q2);
  color: var(--q2);
}

.legend-fixed {
  background: var(--fixed);
  color: var(--fixed);
}

.visual-legend .legend-note {
  margin-left: auto;
  color: var(--dim);
}

.inspector-panel {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  margin-top: 16px;
  padding: 18px;
  background:
    radial-gradient(circle at 0 50%, rgb(99 185 170 / 7%), transparent 22rem),
    var(--surface);
}

.inspector-mark,
.mapping-mark,
.boundary-mark {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border: 1px solid var(--accent-dark);
  color: var(--accent);
  font: 700 23px/1 var(--mono);
}

.coordinate-line {
  margin: 8px 0 0;
  color: var(--muted);
  font: 560 11px/1.5 var(--mono);
  overflow-wrap: anywhere;
}

.profile-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 11px;
}

.profile-tags span {
  padding: 6px 8px;
  border: 1px solid var(--line);
  color: var(--dim);
  font: 570 9px/1 var(--mono);
}

.inspector-audio {
  min-width: 175px;
  padding-left: 18px;
  border-left: 1px solid var(--line);
  text-align: right;
}

.inspector-audio span,
.inspector-audio small {
  display: block;
  color: var(--muted);
  font: 530 9px/1.4 var(--mono);
}

.inspector-audio strong {
  display: block;
  margin: 7px 0 5px;
  color: var(--accent-bright);
  font: 690 22px/1 var(--mono);
}

.sequence-panel {
  margin-top: 16px;
}

#sequenceCanvas {
  display: block;
  width: 100%;
  height: 170px;
  border: 1px solid var(--line);
  background: #050706;
}

.readout-panel {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 16px;
}

.readout-panel > div {
  padding: 17px 18px;
  border-right: 1px solid var(--line);
}

.readout-panel > div:last-child {
  border-right: 0;
}

.readout-panel span,
.readout-panel small {
  display: block;
  color: var(--muted);
  font: 530 9px/1.35 var(--mono);
}

.readout-panel strong {
  display: block;
  margin: 7px 0 4px;
  color: var(--ink);
  font: 690 20px/1 var(--mono);
}

.mapping-panel,
.boundary-panel {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  margin-top: 16px;
  padding: 18px;
}

.mapping-panel {
  background:
    linear-gradient(120deg, rgb(99 185 170 / 6%), transparent 42%),
    var(--surface);
}

.boundary-panel {
  background:
    linear-gradient(120deg, rgb(200 163 93 / 6%), transparent 45%),
    var(--surface);
}

.mapping-panel p:not(.eyebrow),
.boundary-panel p:last-child {
  max-width: 1020px;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.62;
}

.mapping-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 14px;
}

.mapping-grid span {
  padding: 9px 10px;
  border: 1px solid var(--line);
  color: var(--muted);
  font: 540 9px/1.45 var(--mono);
}

.mapping-grid b {
  color: var(--ink);
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 18px clamp(18px, 3vw, 38px);
  border-top: 1px solid var(--line);
  color: var(--dim);
  background: var(--background);
  font: 520 9px/1.5 var(--mono);
}

body[data-palette="rings"] {
  --accent: #9cae75;
  --accent-bright: #c3d095;
  --accent-dark: #4f5d35;
}

body[data-audio="playing"] {
  --accent: #d2a75d;
  --accent-bright: #f0ca7e;
}

@media (max-width: 1120px) {
  .app-shell {
    grid-template-columns: 310px minmax(0, 1fr);
  }

  #e8Canvas {
    height: 68vw;
  }

  .readout-panel {
    grid-template-columns: 1fr 1fr;
  }

  .readout-panel > div:nth-child(2) {
    border-right: 0;
  }

  .readout-panel > div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 820px) {
  .masthead {
    position: static;
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .header-status {
    width: 100%;
    margin-left: 92px;
    justify-content: flex-start;
  }

  .app-shell {
    display: block;
  }

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

  .model-heading {
    display: block;
  }

  .model-heading > p {
    margin-top: 10px;
    text-align: left;
  }

  #e8Canvas {
    height: min(102vw, 680px);
  }

  .canvas-stage {
    min-height: 420px;
  }

  .inspector-panel {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .inspector-audio {
    grid-column: 1 / -1;
    padding: 12px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line);
    text-align: left;
  }

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

@media (max-width: 500px) {
  .brand-mark {
    width: 60px;
  }

  .header-status {
    margin-left: 0;
  }

  .workspace {
    padding: 14px;
  }

  .visual-panel,
  .sequence-panel {
    padding: 10px;
  }

  .panel-head {
    align-items: flex-start;
    gap: 10px;
  }

  .panel-badges {
    max-width: 150px;
  }

  .canvas-stage,
  #e8Canvas {
    min-height: 350px;
  }

  .inspector-panel,
  .mapping-panel,
  .boundary-panel {
    grid-template-columns: 1fr;
  }

  .readout-panel {
    grid-template-columns: 1fr;
  }

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

  .readout-panel > div:last-child {
    border-bottom: 0;
  }

  .visual-legend .legend-note {
    width: 100%;
    margin-left: 0;
  }

  footer {
    display: grid;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .audio-progress i {
    transition: none;
  }
}