:root {
  --red: #c8442c;
  --brass: #c9a14a;
  --celadon: #9cc5b5;
  --display: "Bahnschrift", "DIN Alternate", "Barlow Condensed", "Arial Narrow", sans-serif;
  --body: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Roboto, sans-serif;
  --radius: 10px;
}

html[data-theme="night"] {
  --bg: #151d20;
  --card: #1f2a2d;
  --card-2: #26343a;
  --text: #efe9dc;
  --muted: #bdb7a9;
  --line: rgba(239, 233, 220, 0.14);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

html[data-theme="day"] {
  --bg: #e9e4d8;
  --card: #f6f2ea;
  --card-2: #ebe5d8;
  --text: #1d2629;
  --muted: #535b58;
  --line: rgba(29, 38, 41, 0.14);
  --shadow: 0 10px 26px rgba(60, 50, 30, 0.18);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  -webkit-tap-highlight-color: transparent;
  /* drags and long-presses play the game; they should never select text or open the iOS callout */
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

#scene {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  display: block;
  touch-action: none;
  outline: none;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 2px;
}

/* tickets: cards with a punched tag hole, like the paper tags laundries clip to bags */
.ticket {
  background: var(--card);
  color: var(--text);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  -webkit-mask: radial-gradient(circle 4px at 12px 50%, transparent 4px, #000 4.6px);
  mask: radial-gradient(circle 4px at 12px 50%, transparent 4px, #000 4.6px);
}

/* brand */
.brand {
  position: fixed;
  top: max(14px, env(safe-area-inset-top));
  left: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px 8px 10px;
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
  z-index: 3;
}

.brand-mark {
  width: 30px;
  height: 30px;
  color: var(--text);
}

.brand-name {
  font-family: var(--display);
  font-weight: 700;
  font-size: 22px;
  line-height: 1;
  letter-spacing: 0.02em;
}

.brand-sub {
  font-family: var(--display);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 2px;
}

/* top right */
.top-right {
  position: fixed;
  top: max(14px, env(safe-area-inset-top));
  right: 16px;
  display: flex;
  gap: 8px;
  align-items: center;
  z-index: 4;
}

.purse {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 14px 0 10px;
  border-radius: 999px;
  background: var(--card);
  box-shadow: var(--shadow);
  font-family: var(--display);
  font-size: 16px;
  font-weight: 600;
  white-space: nowrap;
}

.purse svg {
  width: 22px;
  height: 22px;
}

.purse.bump {
  animation: bump 0.45s ease-in-out;
}

@keyframes bump {
  40% {
    transform: scale(1.08);
  }
}

.icon-btn {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
}

.icon-btn svg {
  width: 22px;
  height: 22px;
}

.icon-btn.muted #soundWaves {
  opacity: 0.2;
}

/* settings */
.settings {
  position: fixed;
  top: 70px;
  right: 16px;
  width: min(320px, calc(100vw - 32px));
  padding: 16px 18px 18px 28px;
  z-index: 6;
}

.settings h2 {
  margin: 0 0 10px;
  font-family: var(--display);
  font-size: 18px;
}

.row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted);
}

.row input[type="range"] {
  width: 100%;
  min-height: 40px;
  accent-color: var(--red);
}

.seg {
  display: flex;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.seg button {
  flex: 1;
  min-height: 40px;
  border: 0;
  background: transparent;
  color: var(--text);
  font-size: 14px;
  padding: 0 8px;
}

.seg button[aria-pressed="true"] {
  background: var(--text);
  color: var(--card);
  font-weight: 600;
}

/* side: load progress and running machines */
.side {
  position: fixed;
  top: 84px;
  left: 16px;
  width: 214px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 2;
  pointer-events: none;
}

.load {
  padding: 10px 12px 10px 26px;
}

.load-title {
  font-family: var(--display);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}

.load-list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.load-list li {
  position: relative;
  width: 38px;
  text-align: center;
  font-size: 10.5px;
  color: var(--muted);
  line-height: 1.2;
}

.load-list svg {
  width: 32px;
  height: 28px;
  display: block;
  margin: 0 auto 2px;
}

.load-list li.st-folded svg {
  transform: scaleY(0.6);
  transform-origin: bottom;
}

.load-list .ls {
  display: block;
  font-size: 9.5px;
  letter-spacing: 0.02em;
  line-height: 1.1;
  color: var(--muted);
  white-space: nowrap;
}

.load-list li.st-wet .ls {
  color: #3f7aa0;
}

.load-list li.st-dry .ls {
  color: #a5612a;
}

.load-list li.st-folded .ls {
  color: #3b8f5c;
  font-weight: 600;
}

.tickets {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tk {
  padding: 8px 12px 9px 26px;
  font-size: 13px;
  background: var(--card);
  color: var(--text);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  -webkit-mask: radial-gradient(circle 4px at 12px 50%, transparent 4px, #000 4.6px);
  mask: radial-gradient(circle 4px at 12px 50%, transparent 4px, #000 4.6px);
}

.tk-top {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-family: var(--display);
  font-weight: 600;
}

.tk-time {
  font-variant-numeric: tabular-nums;
}

.tk-phase {
  color: var(--muted);
  font-size: 12px;
}

.tk-bar {
  height: 4px;
  border-radius: 2px;
  background: var(--line);
  margin-top: 6px;
  overflow: hidden;
}

.tk-bar i {
  display: block;
  height: 100%;
  background: var(--celadon);
  width: 0;
}

/* bottom: hint placard and station tags */
.bottom {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0 12px max(12px, env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  z-index: 3;
  pointer-events: none;
}

.hint {
  margin: 0;
  max-width: min(600px, 100%);
  padding: 11px 18px 11px 30px;
  font-size: 15px;
  line-height: 1.4;
  /* touches fall through to the 3D scene: on phones the hint sits over the basket */
  pointer-events: none;
  overflow-wrap: anywhere;
}

.hint.nudge {
  animation: nudge 0.4s ease-in-out;
}

@keyframes nudge {
  25% {
    transform: translateX(-5px);
  }
  75% {
    transform: translateX(5px);
  }
}

.hint .toast {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-top: 2px;
}

.stations {
  display: flex;
  gap: 6px;
  pointer-events: auto;
  max-width: 100%;
}

.stations button {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  width: 78px;
  height: 58px;
  border: 0;
  border-radius: 8px;
  background: var(--card);
  color: var(--text);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-family: var(--display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  -webkit-mask: radial-gradient(circle 3.5px at 50% 7px, transparent 3.5px, #000 4px);
  mask: radial-gradient(circle 3.5px at 50% 7px, transparent 3.5px, #000 4px);
  padding-top: 8px;
}

.stations button svg {
  width: 22px;
  height: 22px;
}

.stations button span {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stations button[aria-current="true"] {
  background: var(--text);
  color: var(--card);
}

.stations button.next::after {
  content: "";
  position: absolute;
  left: 22%;
  right: 22%;
  bottom: 5px;
  height: 3px;
  border-radius: 2px;
  background: var(--red);
}

.stations button.wait::after {
  content: "";
  position: absolute;
  left: 30%;
  right: 30%;
  bottom: 6px;
  height: 0;
  border-bottom: 2px dotted currentColor;
  opacity: 0.45;
}

.stand {
  position: fixed;
  left: 50%;
  bottom: max(18px, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  min-height: 44px;
  padding: 0 22px 0 32px;
  border: 0;
  font-family: var(--display);
  font-size: 15px;
  font-weight: 600;
  z-index: 3;
}

body.sitting .bottom,
body.sitting .side,
body.sitting .top-right,
body.sitting .brand {
  opacity: 0;
  pointer-events: none;
  transition: opacity 1.2s ease;
}

.bottom,
.side,
.top-right,
.brand {
  transition: opacity 0.6s ease;
}

/* overlays */
.overlay {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(14, 20, 22, 0.42);
  z-index: 10;
}

.card {
  width: min(400px, 100%);
  padding: 30px 30px 26px 40px;
  text-align: center;
}

.intro-mark {
  width: 46px;
  height: 46px;
  color: var(--text);
}

.card h1 {
  font-family: var(--display);
  font-size: 46px;
  margin: 6px 0 4px;
  letter-spacing: 0.02em;
}

.card h2 {
  font-family: var(--display);
  font-size: 24px;
  margin: 0 0 8px;
}

.tagline {
  margin: 0 auto 20px;
  max-width: 300px;
  color: var(--muted);
  line-height: 1.5;
}

.small {
  font-size: 12.5px;
  color: var(--muted);
  margin: 14px 0 14px;
  line-height: 1.5;
}

.primary,
.secondary {
  min-height: 46px;
  padding: 0 24px;
  border-radius: 8px;
  font-family: var(--display);
  font-size: 17px;
  font-weight: 600;
  border: 0;
}

.primary {
  background: var(--red);
  color: #ffffff;
}

.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}

.done-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 18px;
}

.intro-lang {
  max-width: 240px;
  margin: 0 auto;
}

/* done: a quiet paper slip low in the frame, so the folded stack stays in view */
#done {
  background: linear-gradient(to top, rgba(14, 20, 22, 0.34), rgba(14, 20, 22, 0) 55%);
  align-items: end;
  padding-bottom: 92px;
}

#done .card {
  box-shadow: 0 18px 40px rgba(14, 20, 22, 0.22);
  animation: slip-in 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

@keyframes slip-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  #done .card {
    animation: none;
  }
}


/* lens: a soft vignette and a whisper of film grain over the room, under the HUD */
.lens {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background:
    radial-gradient(ellipse 120% 95% at 50% 46%, rgba(0, 0, 0, 0) 58%, rgba(28, 18, 8, 0.26) 100%),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.5  0 0 0 0 0.45  0 0 0 0 0.4  0 0 0 0.55 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  opacity: 0.6;
  mix-blend-mode: multiply;
}

html[data-theme="night"] .lens {
  background:
    radial-gradient(ellipse 120% 95% at 50% 46%, rgba(0, 0, 0, 0) 52%, rgba(0, 0, 0, 0.42) 100%),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.5  0 0 0 0 0.5  0 0 0 0 0.5  0 0 0 0.35 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  mix-blend-mode: normal;
  opacity: 0.8;
}

/* in-world callout: names the exact machine part for the next step */
.callout {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 3;
  pointer-events: none;
  white-space: nowrap;
  font-family: var(--display);
  font-size: 14px;
  letter-spacing: 0.02em;
  line-height: 1;
  padding: 8px 12px 9px;
  border-radius: 999px;
  color: #1d2427;
  background: #fbf6ea;
  box-shadow: 0 6px 18px rgba(20, 14, 6, 0.28), inset 0 0 0 1px rgba(29, 36, 39, 0.1);
  opacity: 0;
  transition: opacity 0.35s ease;
  will-change: transform, opacity;
}

.callout::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -5px;
  width: 10px;
  height: 10px;
  margin-left: -5px;
  background: inherit;
  transform: rotate(45deg);
  border-radius: 0 0 2px 0;
}

.callout.below::after {
  bottom: auto;
  top: -5px;
  border-radius: 2px 0 0 0;
}

.callout.on {
  opacity: 1;
}

/* the done slip is a thermal receipt from the changer */
#done .card.receipt {
  position: relative;
  width: min(330px, calc(100vw - 32px));
  padding: 18px 22px 22px;
  border-radius: 3px 3px 0 0;
  background: #fbf8f0;
  color: #1d2427;
  font-family: ui-monospace, "Cascadia Mono", "SF Mono", Consolas, "Courier New", monospace;
  text-align: left;
  transform-origin: 50% 100%;
  animation: print-out 1.1s steps(9, end) both;
  -webkit-mask: linear-gradient(#000 0 0) top / 100% calc(100% - 8px) no-repeat,
    conic-gradient(from -45deg at bottom, #0000, #000 1deg 89deg, #0000 90deg) bottom / 12px 8px repeat-x;
  mask: linear-gradient(#000 0 0) top / 100% calc(100% - 8px) no-repeat,
    conic-gradient(from -45deg at bottom, #0000, #000 1deg 89deg, #0000 90deg) bottom / 12px 8px repeat-x;
  padding-bottom: 30px;
}

#done .receipt h2 {
  font-family: var(--display);
  font-size: 22px;
  margin: 10px 0 10px;
  text-align: center;
}

.receipt-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 12px;
  color: #4a524f;
  border-bottom: 1px dashed rgba(29, 36, 39, 0.35);
  padding-bottom: 8px;
}

.receipt-brand {
  font-family: var(--display);
  font-size: 16px;
  letter-spacing: 0.08em;
  color: var(--red);
}

.receipt-lines {
  list-style: none;
  margin: 0;
  padding: 8px 0;
  border-top: 1px dashed rgba(29, 36, 39, 0.35);
  border-bottom: 1px dashed rgba(29, 36, 39, 0.35);
  font-size: 14px;
}

.receipt-lines li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 3px 0;
  animation: line-in 0.3s ease both;
}

.receipt-lines li span:last-child {
  font-variant-numeric: tabular-nums;
}

#done .receipt p {
  font-size: 13px;
  color: #3f4744;
  margin: 10px 0 0;
  text-align: center;
}

#done .receipt .receipt-thanks {
  font-size: 12px;
  color: #535b58;
  margin-top: 4px;
}

#done .receipt .done-actions {
  font-family: var(--body);
}

#done .receipt .secondary {
  color: #1d2427;
  border-color: rgba(29, 36, 39, 0.25);
}

@keyframes print-out {
  from {
    clip-path: inset(100% 0 0 0);
  }
  to {
    clip-path: inset(0 0 0 0);
  }
}

@keyframes line-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  #done .card.receipt,
  .receipt-lines li {
    animation: none;
  }
  .callout {
    transition: none;
  }
}

/* phones */
@media (max-width: 640px) {
  .brand {
    left: 10px;
    padding: 6px 10px 6px 8px;
  }
  .brand-sub {
    display: none;
  }
  .brand-mark {
    width: 24px;
    height: 24px;
  }
  .top-right {
    right: 10px;
    gap: 6px;
  }
  .purse {
    padding: 0 10px 0 8px;
    font-size: 14px;
  }
  .side {
    top: 66px;
    left: 10px;
    width: auto;
    right: 10px;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: flex-start;
  }
  .load {
    padding: 6px 10px 6px 24px;
  }
  .load-title {
    display: none;
  }
  .load-list li {
    width: 30px;
    font-size: 0;
  }
  .load-list .ls {
    font-size: 8.5px;
  }
  .load-list svg {
    width: 26px;
    height: 22px;
  }
  .tk {
    padding: 6px 10px 6px 24px;
    font-size: 12px;
    min-width: 116px;
  }
  .tk-phase {
    display: none;
  }
  .hint {
    font-size: 14px;
    padding: 9px 14px 9px 26px;
  }
  .stations {
    gap: 4px;
    width: 100%;
  }
  .stations button {
    width: auto;
    height: 54px;
    font-size: 11.5px;
  }
}

.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
.load-list li {
  width: 32px;
}
.load-sum {
  margin: 6px 0 0;
  font-size: 12px;
  color: var(--muted);
  max-width: 200px;
}
@media (max-width: 600px) {
  .load-sum {
    display: none;
  }
}

@media (max-width: 360px) {
  .stations {
    gap: 3px;
  }

  .stations button {
    padding-left: 1px;
    padding-right: 1px;
    font-size: 10.5px;
    letter-spacing: -0.01em;
  }
}

/* touch feedback ring */
.touch-ripple {
  position: fixed;
  width: 44px;
  height: 44px;
  margin: -22px 0 0 -22px;
  border-radius: 50%;
  border: 2px solid rgba(255, 244, 228, 0.9);
  box-shadow: 0 0 12px rgba(255, 214, 170, 0.45);
  pointer-events: none;
  z-index: 6;
  animation: ripple 0.6s ease-out forwards;
}

@keyframes ripple {
  from {
    opacity: 0.95;
    transform: scale(0.35);
  }
  to {
    opacity: 0;
    transform: scale(1.25);
  }
}

@media (prefers-reduced-motion: reduce) {
  .touch-ripple {
    animation-duration: 0.01s;
  }
}

/* the receipt owns the moment: the step hint steps aside while it is open */
body.done-open .hint {
  visibility: hidden;
}

/* a load chip pops once when its shirt changes state */
@keyframes loadPop {
  0% { transform: scale(1); }
  35% { transform: scale(1.32) translateY(-2px); }
  100% { transform: scale(1); }
}
.load-list li.just svg {
  animation: loadPop 0.55s cubic-bezier(0.3, 1.4, 0.5, 1) 1;
}
@media (prefers-reduced-motion: reduce) {
  .load-list li.just svg {
    animation: none;
  }
}

/* ghost fingertip that demonstrates a drag after a few idle seconds */
.drag-cue {
  position: fixed;
  left: 0;
  top: 0;
  width: 34px;
  height: 34px;
  margin: -17px 0 0 -17px;
  border-radius: 50%;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  z-index: 6;
  background: radial-gradient(circle at 50% 45%, rgba(255, 252, 244, 0.95) 0 38%, rgba(255, 252, 244, 0.35) 39% 62%, rgba(255, 252, 244, 0) 63%);
  box-shadow: 0 2px 10px rgba(20, 24, 30, 0.35);
  transition: opacity 0.25s ease;
  will-change: transform, opacity;
}
.drag-cue i {
  position: absolute;
  inset: 9px;
  border-radius: 50%;
  border: 2px solid rgba(43, 50, 54, 0.55);
}
.drag-cue.press i {
  inset: 11px;
  border-color: rgba(200, 72, 58, 0.8);
}
@media (prefers-reduced-motion: reduce) {
  .drag-cue {
    display: none;
  }
}