:root {
  color-scheme: light;
  --paper: #f6f4ed;
  --ink: #293e37;
  --muted: #7b8377;
  --line: #dedfd2;
  --green: #426b50;
  --gold: #e0ba66;
  font-family: Inter, 'Segoe UI', 'Microsoft YaHei', sans-serif;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
}
button,
input {
  font: inherit;
}
button {
  cursor: pointer;
  color: inherit;
}
button:focus-visible,
input:focus-visible,
canvas:focus-visible {
  outline: 3px solid #ac7e33;
  outline-offset: 3px;
}
button {
  transition:
    background 0.15s,
    transform 0.15s;
}
button:hover {
  filter: brightness(0.97);
}
button:active {
  transform: translateY(1px);
}
.topbar {
  height: 106px;
  padding: 0 3.2%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 15px;
}
.brand-mark {
  width: 49px;
  height: 49px;
  border: 1px solid #bdc6b2;
  border-radius: 15px;
  display: grid;
  place-items: center;
  font-size: 40px;
  background: #e6eadb;
}
.eyebrow {
  font-size: 10px;
  letter-spacing: 2px;
  font-weight: 600;
  color: var(--muted);
}
h1 {
  font-size: 24px;
  letter-spacing: 2px;
  margin: 6px 0 0;
}
h1 span {
  font-size: 10px;
  letter-spacing: 1px;
  margin-left: 15px;
  font-weight: 500;
  color: var(--muted);
}
.top-meta {
  display: flex;
  gap: 25px;
  align-items: center;
  font-size: 12px;
}
.offline {
  display: flex;
  gap: 8px;
  align-items: center;
}
.offline i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #68915e;
  box-shadow: 0 0 0 4px #e6ebdc;
}
.quiet {
  border: 0;
  background: transparent;
}
.quiet span {
  display: inline-grid;
  place-items: center;
  border: 1px solid #c2c8b9;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  margin-left: 7px;
}
.layout {
  max-width: 1800px;
  margin: 0 auto;
  padding: 26px 3.2% 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 22px;
}
.playground {
  min-width: 0;
  position: relative;
  overflow: hidden;
  min-height: 730px;
  border-radius: 22px;
  background: #e9eddf;
  border: 1px solid #dce1cf;
  background-image: radial-gradient(
    ellipse at 50% 65%,
    #f3f3e8,
    transparent 65%
  );
}
.stage-heading {
  position: absolute;
  left: 30px;
  right: 28px;
  top: 29px;
  display: flex;
  justify-content: space-between;
  pointer-events: none;
  z-index: 1;
}
.stage-heading h2 {
  font-size: 29px;
  font-weight: 600;
  letter-spacing: 1px;
  margin: 13px 0 10px;
}
.stage-heading p {
  font-size: 12px;
  color: #7b8576;
  margin: 0;
}
.scene-tag {
  font-size: 10px;
  color: #7b8576;
  display: flex;
  align-items: center;
  gap: 7px;
  height: 28px;
}
.scene-tag span {
  background: #dde4d2;
  border: 1px solid #cbd4bd;
  border-radius: 6px;
  padding: 6px;
}
canvas {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 730px;
  touch-action: none;
  cursor: crosshair;
}
.player-status {
  position: absolute;
  top: 151px;
  left: 30px;
  display: grid;
  grid-template-columns: 8px auto auto;
  align-items: center;
  gap: 8px 10px;
  font-size: 11px;
  padding: 12px 15px;
  border-radius: 12px;
  background: #f6f7ecdf;
  border: 1px solid #dce2d1;
  pointer-events: none;
}
.player-status strong {
  font-weight: 500;
}
.player-dot {
  width: 7px;
  height: 7px;
  background: #548e69;
  border-radius: 50%;
}
#depth-text {
  font-size: 10px;
  color: #7d8374;
  margin-left: 14px;
}
.depth-track {
  grid-column: 1/-1;
  height: 3px;
  background: #e1e5d6;
  border-radius: 9px;
  overflow: hidden;
}
#depth-fill {
  width: 0;
  height: 100%;
  background: #c79144;
}
.canvas-tools {
  position: absolute;
  bottom: 70px;
  right: 22px;
  display: flex;
  gap: 7px;
}
.canvas-tools button {
  border: 1px solid #d5ddc9;
  background: #f7f8eee8;
  padding: 10px;
  border-radius: 9px;
  font-size: 14px;
}
.canvas-tools button span {
  font-size: 10px;
}
.stage-footer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 19px 25px;
  display: flex;
  gap: 15px;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid #dce2d2;
  background: #edf0e4c9;
  color: #7e8977;
  font-size: 10px;
  pointer-events: none;
}
kbd {
  display: inline-block;
  background: #f8f9f1;
  border: 1px solid #d6deca;
  border-bottom-width: 2px;
  border-radius: 4px;
  font-size: 10px;
  padding: 3px 4px;
  margin-right: 3px;
}
.toast {
  position: absolute;
  bottom: 78px;
  left: 24px;
  max-width: 65%;
  font-size: 11px;
  line-height: 1.7;
  padding: 10px 14px;
  border: 1px solid #ced8be;
  background: #f9faefe8;
  border-radius: 10px;
  color: #62734f;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.25s;
}
.toast.visible {
  opacity: 1;
}
.panel {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fcfbf6;
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
}
.panel-title h2 {
  font-size: 20px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 12px 0 24px;
}
.panel-title h2 span {
  font-size: 27px;
  color: #a0aa8e;
}
.panel-title .eyebrow {
  font-size: 8px;
  letter-spacing: 1.4px;
}
.panel-section {
  padding: 20px 0;
  border-top: 1px solid var(--line);
}
.section-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.section-label h3 {
  font-size: 11px;
  font-weight: 600;
  margin: 0;
  letter-spacing: 1px;
}
.section-label > span {
  font-size: 9px;
  color: var(--muted);
}
.materials {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.material {
  padding: 10px;
  display: flex;
  gap: 12px;
  align-items: center;
  background: #f9f8f2;
  border: 1px solid #e6e4d9;
  border-radius: 11px;
  text-align: left;
}
.material.selected {
  background: #f4eddb;
  border-color: #c8ae77;
}
.swatch {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 28px;
  border: 1px solid #ffffff50;
  box-shadow: inset 0 -7px 0 #00000008;
}
.sand {
  background: #e4bc69;
  color: #b58630;
}
.chocolate {
  background: #826048;
  color: #cda17d;
}
.ketchup {
  background: #d75f46;
  color: #f59b78;
}
.cheese {
  background:
    radial-gradient(ellipse at 29% 34%, #b47d1e 0 12%, transparent 14%),
    radial-gradient(ellipse at 72% 60%, #b47d1e 0 16%, transparent 18%),
    radial-gradient(ellipse at 45% 82%, #c58b22 0 8%, transparent 10%), #f4c951;
  color: #b47d1e;
}
.material strong {
  display: block;
  font-size: 12px;
  font-weight: 600;
}
.material small {
  display: block;
  font-size: 9px;
  color: var(--muted);
  margin-top: 5px;
}
.check {
  margin-left: auto;
  visibility: hidden;
  font-size: 14px;
  color: #967235;
}
.selected .check {
  visibility: visible;
}
.tool-row {
  display: flex;
  background: #efeee5;
  border-radius: 9px;
  padding: 3px;
  gap: 3px;
}
.tool-row button {
  flex: 1;
  border: 0;
  background: transparent;
  font-size: 11px;
  padding: 9px 0;
  border-radius: 6px;
}
.tool-row .active {
  background: #fffefa;
  box-shadow: 0 1px 4px #323e2314;
}
.slider-label {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  margin: 17px 0 8px;
}
input[type='range'] {
  width: 100%;
  height: 5px;
  accent-color: #567448;
  cursor: pointer;
  margin: 8px 0;
}
.range-captions {
  display: flex;
  justify-content: space-between;
  font-size: 9px;
  color: #919586;
  margin-top: 4px;
}
.clone-button {
  width: 100%;
  background: #416348;
  color: #fff;
  border: 0;
  border-radius: 10px;
  padding: 13px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
}
.clone-button[aria-pressed='true'] {
  background: #8c672e;
}
.clone-button span:first-child {
  font-size: 20px;
}
.hint {
  font-size: 10px;
  color: #8b9080;
  line-height: 1.9;
  margin: 11px 0 15px;
  min-height: 38px;
}
.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: #f0f1e7;
  border-radius: 10px;
  padding: 13px;
}
.stats > div {
  text-align: center;
}
.stats > div + div {
  border-left: 1px solid #dbe0ce;
}
.stats strong {
  display: block;
  font-size: 20px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}
.stats span {
  display: block;
  font-size: 9px;
  color: #8a927f;
  margin-top: 4px;
}
.panel-bottom {
  margin-top: auto;
}
.reset-button {
  width: 100%;
  padding: 11px;
  border: 1px solid #dedfd2;
  border-radius: 9px;
  background: transparent;
  font-size: 11px;
}
.panel-bottom p {
  font-size: 9px;
  text-align: center;
  color: #959b8c;
  margin-bottom: 0;
}
.page-footer {
  padding: 21px 3.2%;
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: #909789;
}
.footer-separator {
  padding: 0 13px;
  color: #b8bfad;
}
.help-panel {
  position: absolute;
  z-index: 5;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(460px, 90%);
  max-height: 90%;
  overflow: auto;
  background: #fffdf5;
  border: 1px solid #cad3bd;
  border-radius: 18px;
  padding: 25px;
  box-shadow: 0 20px 80px #273c3740;
}
.help-panel h3 {
  margin: 0 0 17px;
  font-size: 20px;
}
.help-panel p {
  font-size: 12px;
  line-height: 1.9;
  color: #6a7662;
}
.help-panel .disclaimer {
  font-size: 10px;
  color: #9b8a68;
}
.help-panel button {
  border: 0;
  border-radius: 8px;
  background: #416348;
  color: white;
  padding: 12px 16px;
  width: 100%;
  margin-top: 8px;
}
.touch-move {
  display: none;
  position: absolute;
  bottom: 70px;
  left: 15px;
  text-align: center;
}
.touch-move button {
  width: 38px;
  height: 38px;
  margin: 2px;
  border: 1px solid #b8c7ad;
  border-radius: 9px;
  background: #fafceddb;
  touch-action: none;
  user-select: none;
}
.touch-move div {
  display: flex;
}
[hidden] {
  display: none !important;
}
@media (min-width: 1500px) {
  .playground,
  canvas {
    min-height: 790px;
  }
}
@media (max-width: 1000px) {
  .layout {
    grid-template-columns: minmax(0, 1fr) 270px;
    gap: 14px;
    padding: 18px 2% 0;
  }
  .panel {
    padding: 22px 17px;
  }
  .stage-heading {
    left: 22px;
    right: 20px;
  }
  .stage-heading h2 {
    font-size: 23px;
  }
  .stage-footer {
    padding: 17px 12px;
    flex-wrap: wrap;
    gap: 6px;
  }
  .scene-tag {
    display: none;
  }
  .player-status {
    left: 22px;
  }
  h1 span {
    display: none;
  }
}
@media (max-width: 720px) {
  .topbar {
    height: 85px;
    padding: 0 5%;
  }
  h1 {
    font-size: 19px;
  }
  .brand-mark {
    width: 40px;
    height: 40px;
  }
  .brand .eyebrow {
    font-size: 7px;
    letter-spacing: 1px;
  }
  .top-meta {
    gap: 0;
  }
  .offline {
    display: none;
  }
  .layout {
    display: flex;
    flex-direction: column;
    padding: 14px 3% 0;
    gap: 14px;
  }
  .playground {
    height: 570px;
    min-height: 570px;
  }
  canvas {
    min-height: 570px;
  }
  .stage-heading h2 {
    font-size: 24px;
  }
  .stage-heading {
    top: 22px;
  }
  .player-status {
    top: 136px;
  }
  .panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 20px;
    padding: 22px;
  }
  .panel-title,
  .panel-bottom {
    grid-column: 1/-1;
  }
  .panel-title h2 {
    margin-bottom: 18px;
  }
  .panel-section:nth-of-type(3) {
    grid-column: 1/-1;
  }
  .panel-bottom {
    margin-top: 0;
  }
  .page-footer {
    line-height: 1.8;
    gap: 12px;
  }
  .page-footer > span:last-child {
    max-width: 110px;
    text-align: right;
  }
  .toast {
    bottom: 170px;
  }
  .stage-footer {
    font-size: 9px;
  }
  .canvas-tools {
    bottom: 70px;
  }
  .touch-move {
    display: block;
  }
}
@media (pointer: coarse) {
  .touch-move {
    display: block;
  }
  .toast {
    bottom: 170px;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}
@media (max-width: 390px) {
  .panel {
    gap: 0 12px;
    padding: 17px;
  }
  .material {
    gap: 6px;
    padding: 7px;
  }
  .swatch {
    width: 30px;
    height: 36px;
  }
  .material small {
    font-size: 8px;
  }
  .section-label > span {
    display: none;
  }
}