:root {
  color-scheme: dark;
  --night: #07110f;
  --night-soft: #0d1a17;
  --ink: #101814;
  --paper: #eee9de;
  --muted: #9ca9a1;
  --faint: #69766f;
  --bronze: #c5a274;
  --bronze-bright: #e0c398;
  --mineral: #d38f73;
  --teal: #81aa9b;
  --line: rgba(222, 220, 204, .17);
  --serif: Georgia, 'Iowan Old Style', 'Songti TC', 'Noto Serif TC', serif;
  --sans: 'Avenir Next', 'PingFang TC', 'Noto Sans TC', sans-serif;
  --mono: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
  font-family: var(--sans);
  background: var(--night);
  color: var(--paper);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }

html, body { width: 100%; min-height: 100%; margin: 0; }

body {
  min-width: 320px;
  min-height: 100svh;
  overflow-x: hidden;
  background:
    radial-gradient(ellipse at 58% 46%, rgba(34, 62, 53, .43), transparent 47%),
    radial-gradient(ellipse at 12% 0%, rgba(89, 74, 47, .14), transparent 38%),
    #07110f;
}

button, textarea, a { font: inherit; }

button { color: inherit; }

button:focus-visible, a:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--bronze-bright);
  outline-offset: 4px;
}

.experience {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto auto;
  gap: clamp(10px, 1.25vh, 16px);
  width: min(100%, 1920px);
  height: 100svh;
  min-height: 720px;
  margin: 0 auto;
  padding: clamp(18px, 2.6vh, 30px) clamp(22px, 4vw, 64px) 12px;
  overflow: hidden;
}

.ambient-grain {
  position: absolute;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  opacity: .19;
  background-image: radial-gradient(rgba(238, 233, 222, .52) .45px, transparent .55px);
  background-size: 5px 5px;
  mask-image: linear-gradient(90deg, transparent 2%, #000 35%, #000 77%, transparent 100%);
}

.topline {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 30px;
  color: var(--muted);
}

.return-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  width: fit-content;
  min-height: 44px;
  color: var(--paper);
  text-decoration: none;
  font-size: 12px;
  letter-spacing: .06em;
  transition: color .2s ease;
}

.return-link:hover { color: var(--bronze-bright); }
.return-link span { color: var(--bronze); font-size: 17px; }

.museum-mark {
  display: flex;
  align-items: center;
  gap: 14px;
  font: 10px var(--mono);
  letter-spacing: .13em;
  white-space: nowrap;
}

.museum-mark i {
  color: var(--bronze);
  font-style: normal;
  letter-spacing: .16em;
}

.museum-hub-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--muted);
  text-decoration: none;
  transition: color .2s ease;
}

.museum-hub-link:hover { color: var(--bronze-bright); }

.dedication {
  justify-self: end;
  margin: 0;
  color: var(--bronze-bright);
  font: 12px var(--serif);
  letter-spacing: .08em;
}

.composition {
  display: grid;
  grid-template-columns: minmax(215px, .76fr) minmax(390px, 1.54fr) minmax(170px, .58fr);
  align-items: center;
  gap: clamp(14px, 2.15vw, 36px);
  min-height: 0;
}

.intro-copy { align-self: center; padding-left: clamp(0px, 1vw, 16px); }

.eyebrow, .marginalia-index, .intro-coordinate, .caption-label, .caption-seed,
.stage-annotation, .colophon, .starter-phrases > span {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(18px, 3.5vh, 40px);
  color: var(--teal);
  white-space: nowrap;
}

.eyebrow-line { width: 24px; height: 1px; background: var(--bronze); }
.eyebrow-index { color: var(--bronze); }

h1 {
  max-width: 100%;
  margin: 0;
  color: var(--paper);
  font: 400 clamp(38px, 4.25vw, 65px)/1.2 var(--serif);
  letter-spacing: -.055em;
  white-space: normal;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

h1 em {
  color: var(--bronze-bright);
  font-weight: 400;
  letter-spacing: -.065em;
}

.intro-note {
  margin: clamp(19px, 3.5vh, 38px) 0 0;
  color: #b2b8ad;
  font: 16px/1.75 var(--serif);
  letter-spacing: .04em;
}

.intro-coordinate {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-top: clamp(24px, 5vh, 52px);
  color: var(--faint);
  font-size: 8px;
}

.universe-figure {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 0;
  max-height: 100%;
  margin: 0;
}

.universe-stage {
  position: relative;
  width: min(100%, 690px, 60svh);
  aspect-ratio: 1;
  flex: 0 1 auto;
  overflow: hidden;
  isolation: isolate;
  border-radius: 50%;
  touch-action: none;
  cursor: grab;
  -webkit-tap-highlight-color: transparent;
}

.universe-stage:active { cursor: grabbing; }
.universe-stage:focus-visible { outline: 1px solid var(--bronze-bright); outline-offset: -8px; }

.stage-vignette {
  position: absolute;
  z-index: 0;
  inset: 2%;
  border-radius: 50%;
  background:
    radial-gradient(ellipse at 48% 45%, rgba(191, 155, 99, .12), transparent 39%),
    radial-gradient(ellipse at 48% 48%, rgba(31, 63, 53, .5), transparent 63%),
    radial-gradient(ellipse at center, transparent 54%, rgba(3, 8, 7, .74) 77%, rgba(3, 8, 7, .05) 100%);
}

.stage-orbit {
  position: absolute;
  z-index: 0;
  left: 50%;
  top: 50%;
  width: 78%;
  height: 29%;
  border: 1px solid rgba(191, 177, 145, .12);
  border-radius: 50%;
  transform: translate(-50%, -50%) rotate(-28deg);
}

.stage-orbit-two {
  width: 92%;
  height: 45%;
  border-color: rgba(211, 143, 115, .1);
  transform: translate(-50%, -50%) rotate(38deg);
}

.art-canvas {
  position: absolute;
  z-index: 1;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.fallback-canvas { display: none; }
.fallback-canvas.is-visible { display: block; }
.art-canvas.is-hidden { visibility: hidden; }

.dust-canvas {
  position: absolute;
  z-index: 2;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.stage-crosshair {
  position: absolute;
  z-index: 3;
  top: 50%;
  left: 50%;
  width: 84%;
  height: 84%;
  border: 1px solid rgba(206, 200, 181, .085);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.stage-crosshair span, .stage-crosshair i {
  position: absolute;
  display: block;
  top: 50%;
  left: 50%;
  background: rgba(220, 212, 192, .12);
  transform: translate(-50%, -50%);
}

.stage-crosshair span { width: 1px; height: 114%; }
.stage-crosshair i { width: 114%; height: 1px; }

.stage-annotation {
  position: absolute;
  z-index: 3;
  bottom: 9%;
  margin: 0;
  color: rgba(207, 206, 187, .45);
  font-size: 7px;
  letter-spacing: .17em;
  pointer-events: none;
}

.annotation-left { left: 9%; }
.annotation-right { right: 9%; text-align: right; }

.stage-star {
  position: absolute;
  z-index: 4;
  color: rgba(218, 191, 147, .63);
  font-family: var(--serif);
  pointer-events: none;
}

.star-one { top: 16%; left: 24%; font-size: 17px; }
.star-two { top: 32%; right: 15%; font-size: 24px; }
.star-three { bottom: 23%; right: 24%; color: rgba(215, 149, 122, .72); font-size: 20px; }

.art-caption {
  display: grid;
  grid-template-columns: 2px auto minmax(0, 1fr) auto;
  align-items: stretch;
  gap: 12px;
  width: min(100%, 620px);
  padding: 11px 13px 0;
  color: var(--muted);
}

.caption-rule { min-height: 28px; background: var(--bronze); }
.caption-label { align-self: start; padding-top: 4px; color: var(--bronze); font-size: 8px; white-space: nowrap; }
.caption-sentence { min-width: 0; color: var(--paper); font: 15px/1.45 var(--serif); overflow-wrap: anywhere; }
.caption-seed { color: var(--faint); font-size: 7px; white-space: nowrap; }

.marginalia {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-self: center;
  min-width: 0;
  padding: 0 0 0 clamp(2px, 1vw, 17px);
}

.marginalia-index { color: var(--bronze); font-size: 8px; line-height: 1.8; }
.marginalia p { margin: 28px 0 0; color: #c8c8ba; font: 18px/1.9 var(--serif); letter-spacing: .045em; }
.marginalia .marginalia-small { margin-top: 17px; color: var(--muted); font-size: 14px; }
.marginalia-divider { width: 32px; height: 1px; margin-top: 27px; background: var(--bronze); opacity: .64; }
.marginalia-edition { margin-top: 34px; color: var(--faint); font: 8px/1.8 var(--mono); letter-spacing: .15em; }

.control-deck {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-rows: auto auto;
  align-items: end;
  gap: 10px clamp(20px, 3vw, 48px);
  padding: 14px 0 4px;
  border-top: 1px solid var(--line);
}

.sentence-form { grid-column: 1; grid-row: 1 / span 2; min-width: 0; }

.input-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin: 0 0 6px;
}

.input-heading label { color: var(--paper); font: 16px var(--serif); letter-spacing: .04em; }
.input-hint { color: var(--faint); font: 9px var(--mono); letter-spacing: .08em; }

.input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: stretch;
  border-bottom: 1px solid rgba(224, 218, 202, .34);
}

.input-row:focus-within { border-color: var(--bronze-bright); }

#sentence-input {
  display: block;
  width: 100%;
  min-height: 47px;
  max-height: 90px;
  padding: 12px 8px 10px 0;
  resize: vertical;
  border: 0;
  border-radius: 0;
  outline: 0;
  background: transparent;
  color: var(--paper);
  font: 16px/1.5 var(--serif);
  letter-spacing: .025em;
}

#sentence-input::placeholder { color: #66736c; opacity: 1; }
#sentence-input:focus-visible { outline: 0; }

.form-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 17px;
  min-width: 144px;
  min-height: 46px;
  margin-bottom: 1px;
  padding: 0 15px;
  border: 1px solid rgba(197, 162, 116, .68);
  border-radius: 1px;
  background: rgba(197, 162, 116, .1);
  color: var(--bronze-bright);
  font-size: 12px;
  letter-spacing: .08em;
  cursor: pointer;
  transition: background .22s ease, border-color .22s ease, color .22s ease;
}

.form-submit:hover { border-color: var(--bronze-bright); background: rgba(197, 162, 116, .19); color: #fff4e2; }
.form-submit span { font-size: 17px; }
.privacy-hint { margin: 6px 0 0; color: var(--faint); font-size: 9px; letter-spacing: .04em; }

.starter-phrases { display: flex; align-items: center; flex-wrap: wrap; gap: 5px 15px; margin-top: 11px; }
.starter-phrases > span { margin-right: 2px; color: var(--faint); font-size: 8px; letter-spacing: .1em; }
.starter-phrases button { min-height: 44px; padding: 3px 0; border: 0; border-bottom: 1px solid transparent; background: transparent; color: #aab2a8; font: 12px var(--serif); cursor: pointer; transition: color .2s ease, border-color .2s ease; }
.starter-phrases button:hover { border-color: var(--bronze); color: var(--bronze-bright); }

.instrument-controls {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(5px, .8vw, 12px);
  grid-column: 2;
  grid-row: 1;
}

.quiet-button, .export-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  padding: 0 13px;
  border: 1px solid transparent;
  border-radius: 1px;
  background: transparent;
  color: #bac1b9;
  font-size: 11px;
  letter-spacing: .04em;
  white-space: nowrap;
  cursor: pointer;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}

.quiet-button:hover { border-color: var(--line); color: var(--paper); }
.quiet-button[aria-pressed="true"] { color: var(--bronze-bright); }

.control-icon { position: relative; display: inline-block; width: 14px; height: 14px; color: currentColor; }
.pause-icon::before, .pause-icon::after { position: absolute; top: 2px; width: 3px; height: 10px; background: currentColor; content: ''; }
.pause-icon::before { left: 3px; }
.pause-icon::after { right: 3px; }
[aria-pressed="true"] .pause-icon::before { top: 1px; left: 4px; width: 0; height: 0; border-top: 6px solid transparent; border-bottom: 6px solid transparent; border-left: 8px solid currentColor; background: transparent; }
[aria-pressed="true"] .pause-icon::after { display: none; }
.sound-icon::before { position: absolute; top: 4px; left: 1px; width: 4px; height: 6px; background: currentColor; content: ''; }
.sound-icon::after { position: absolute; top: 2px; left: 2px; width: 9px; height: 10px; border: 1px solid currentColor; border-left: 0; border-top-color: transparent; border-bottom-color: transparent; border-radius: 0 100% 100% 0; content: ''; }
.sound-button[aria-pressed="true"] .sound-icon::after { width: 11px; height: 12px; top: 1px; left: 2px; }

.export-button {
  gap: 18px;
  min-width: 195px;
  padding: 0 14px;
  border-color: rgba(211, 143, 115, .5);
  background: rgba(211, 143, 115, .1);
  color: #e6c3ad;
}

.export-button:hover { border-color: var(--mineral); background: rgba(211, 143, 115, .19); color: #fff0e5; }
.export-arrow { color: var(--mineral); font-size: 17px; }
.export-button:disabled { opacity: .55; cursor: progress; }

.status-message { grid-column: 2; grid-row: 2; min-height: 14px; margin: 0; color: var(--teal); font: 9px/1.4 var(--mono); text-align: right; }

.colophon {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding-top: 4px;
  color: #64736b;
  font-size: 7px;
  letter-spacing: .15em;
}

@media (max-width: 1120px) {
  .experience { padding-inline: 26px; }
  .composition { grid-template-columns: minmax(180px, .65fr) minmax(350px, 1.55fr) minmax(145px, .5fr); gap: 12px; }
  h1 { font-size: clamp(36px, 4.5vw, 54px); }
  .marginalia p { font-size: 16px; }
  .caption-seed { display: none; }
  .quiet-button, .export-button { padding-inline: 10px; }
  .export-button { min-width: 170px; }
}

@media (max-width: 760px) {
  .experience {
    height: auto;
    min-height: 100svh;
    grid-template-rows: auto auto auto auto;
    gap: 15px;
    padding: max(15px, env(safe-area-inset-top)) 18px max(14px, env(safe-area-inset-bottom));
    overflow: visible;
  }

  .topline { grid-template-columns: 1fr auto; min-height: 36px; }
  .return-link { min-height: 44px; font-size: 11px; }
  .museum-mark { justify-self: end; gap: 8px; font-size: 8px; }
  .dedication { display: none; }

  .composition { grid-template-columns: minmax(0, 1fr); gap: 3px; }
  .intro-copy { position: relative; z-index: 1; padding: 0 0 0 3px; }
  .eyebrow { margin-bottom: 9px; font-size: 8px; }
  h1 { font-size: clamp(34px, 9.7vw, 44px); line-height: 1.07; }
  .intro-note { position: static; margin: 8px 0 0; color: #aeb4aa; font-size: 12px; line-height: 1.6; text-align: left; }
  .intro-coordinate, .marginalia { display: none; }

  .universe-figure { width: 100%; margin: -2px auto 0; }
  .universe-stage { width: min(100%, 390px, 39svh); max-height: 39svh; }
  .art-caption { grid-template-columns: 2px auto minmax(0, 1fr); gap: 9px; width: 100%; padding: 6px 5px 0; }
  .caption-sentence { font-size: 13px; }
  .caption-seed { display: none; }
  .stage-annotation { bottom: 8%; font-size: 6px; }

  .control-deck { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto auto auto; gap: 11px; padding-top: 11px; }
  .sentence-form { grid-column: 1; grid-row: 1; }
  .input-heading { margin-bottom: 4px; }
  .input-heading label { font-size: 15px; }
  #sentence-input { min-height: 45px; font-size: 15px; }
  .form-submit { min-width: 112px; min-height: 44px; gap: 8px; padding-inline: 10px; font-size: 11px; }
  .privacy-hint { margin-top: 4px; font-size: 8px; }
  .starter-phrases { gap: 4px 12px; margin-top: 7px; }
  .starter-phrases > span { width: 100%; }
  .starter-phrases button { min-height: 44px; font-size: 11px; }

  .instrument-controls { grid-column: 1; grid-row: 2; justify-content: space-between; flex-wrap: wrap; gap: 6px 8px; }
  .quiet-button, .export-button { min-height: 44px; padding: 0 8px; font-size: 10px; }
  .export-button { flex: 1 0 100%; width: 100%; min-width: 0; gap: 9px; }
  .status-message { grid-column: 1; grid-row: 3; min-height: 12px; text-align: left; }
  .colophon { font-size: 6px; letter-spacing: .1em; }
}

@media (max-width: 370px) {
  .experience { padding-inline: 14px; }
  .quiet-button { gap: 5px; padding-inline: 5px; font-size: 9px; }
  .export-button { min-width: 140px; padding-inline: 7px; }
  .museum-mark { font-size: 7px; }
}

@media (max-height: 760px) and (min-width: 761px) {
  .experience { min-height: 660px; padding-top: 16px; }
  .composition { grid-template-columns: minmax(195px, .72fr) minmax(350px, 1.5fr) minmax(150px, .55fr); }
  .eyebrow { margin-bottom: 19px; }
  .intro-note { margin-top: 19px; }
  .intro-coordinate { margin-top: 22px; }
  .control-deck { padding-top: 9px; }
  .starter-phrases { margin-top: 5px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}