:root {
  color-scheme: light;
  --bg: #f5f2ea;
  --ink: #20242a;
  --muted: #69717b;
  --panel: #fffdf8;
  --panel-strong: #ffffff;
  --line: #ddd8cd;
  --machine: #27313d;
  --accent: #ff755f;
  --mint: #44c7b2;
  --blue: #526cff;
  --gold: #f7c44a;
  --shadow: 0 20px 60px rgba(48, 43, 32, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(120deg, rgba(68, 199, 178, 0.13), transparent 34%),
    linear-gradient(240deg, rgba(255, 117, 95, 0.15), transparent 32%),
    var(--bg);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Microsoft YaHei", sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.app-shell {
  width: min(1440px, calc(100% - 32px));
  margin: 0 auto 32px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  backdrop-filter: blur(18px);
}

.brand,
.site-link,
.nav,
.level-pill,
.coin-pill,
.floating-card,
.harvest-panel,
.progress-block {
  border: 1px solid rgba(92, 83, 66, 0.14);
  background: rgba(255, 253, 248, 0.84);
  box-shadow: 0 10px 30px rgba(48, 43, 32, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 8px 12px;
  border-radius: 8px;
  font-weight: 900;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 8px 13px;
  border-radius: 8px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 900;
  white-space: nowrap;
}

.site-link:hover {
  background: rgba(68, 199, 178, 0.16);
  color: #145f58;
}

.brand-mark {
  width: 22px;
  height: 22px;
  border-radius: 7px;
  background:
    linear-gradient(90deg, transparent 45%, rgba(32, 36, 42, 0.72) 45% 55%, transparent 55%),
    linear-gradient(0deg, var(--mint) 0 48%, var(--gold) 48% 66%, var(--accent) 66%);
}

.nav {
  display: flex;
  gap: 4px;
  padding: 5px;
  border-radius: 8px;
}

.nav a {
  min-height: 36px;
  padding: 8px 12px;
  border-radius: 7px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 750;
}

.nav a:hover {
  color: var(--ink);
  background: rgba(32, 36, 42, 0.06);
}

.game-pages {
  display: grid;
  gap: 18px;
}

.panel {
  overflow: hidden;
  border: 1px solid rgba(92, 83, 66, 0.16);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.88);
  box-shadow: var(--shadow);
}

.studio-page {
  display: grid;
  grid-template-columns: 320px minmax(440px, 1fr) 360px;
  grid-template-rows: auto repeat(6, max-content) 1fr;
  gap: 12px 16px;
  min-height: calc(100vh - 92px);
  padding: 0 18px 18px;
}

.studio-page .section-head {
  grid-column: 1 / -1;
  grid-row: 1;
  margin: 0 -18px;
}

.production-page {
  display: grid;
  grid-template-columns: minmax(360px, 1fr) minmax(360px, 1fr);
  gap: 16px;
  min-height: calc(100vh - 92px);
  scroll-margin-top: 84px;
}

.section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 20px;
  border-bottom: 1px solid rgba(92, 83, 66, 0.12);
}

.section-head.compact {
  align-items: center;
  padding: 16px;
}

.eyebrow,
.level-pill span,
.coin-pill span,
.floating-card span,
.progress-copy span,
.harvest-panel span {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0;
}

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

h1 {
  max-width: 680px;
  margin-bottom: 0;
  font-size: clamp(30px, 4vw, 56px);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: 24px;
  line-height: 1.08;
}

.level-pill,
.coin-pill {
  min-width: 74px;
  padding: 10px 12px;
  border-radius: 8px;
  text-align: center;
}

.level-pill b,
.coin-pill b {
  display: block;
  font-size: 28px;
  line-height: 1;
}

.preview-wrap,
.printer-scene,
.display-stage {
  position: relative;
  min-height: 360px;
}

.preview-wrap {
  grid-column: 2;
  grid-row: 2 / 8;
  height: auto;
  min-height: min(720px, calc(100vh - 250px));
  background:
    linear-gradient(180deg, rgba(255, 253, 248, 0.3), rgba(232, 226, 211, 0.76)),
    radial-gradient(circle at 50% 70%, rgba(68, 199, 178, 0.22), transparent 34%);
}

.printer-scene,
.display-stage {
  height: 390px;
  background:
    linear-gradient(180deg, #eef4f0, #e5ded0),
    radial-gradient(circle at 50% 80%, rgba(82, 108, 255, 0.16), transparent 28%);
}

.display-stage {
  height: 390px;
}

.floating-card {
  position: absolute;
  right: 16px;
  bottom: 16px;
  min-width: 124px;
  padding: 12px;
  border-radius: 8px;
}

.floating-card strong {
  display: block;
  font-size: 28px;
  line-height: 1;
}

.editor-controls {
  display: contents;
}

.shape-control,
.primitive-control,
.tool-control {
  grid-column: 1;
}

.shape-control {
  grid-row: 2;
}

.primitive-control {
  grid-row: 3;
}

.tool-control {
  grid-row: 4;
}

.part-inspector,
.size-control,
.detail-control,
.material-control,
.editor-controls > .primary-action {
  grid-column: 3;
}

.part-inspector {
  grid-row: 2 / span 2;
}

.size-control {
  grid-row: 4;
}

.detail-control {
  grid-row: 5;
}

.material-control {
  grid-row: 6;
}

.editor-controls > .primary-action {
  grid-row: 7;
  align-self: end;
}

.custom-editor {
  display: contents;
}

.custom-editor[hidden] {
  display: none;
}

.control-group,
.control-row {
  display: grid;
  gap: 10px;
}

.control-row {
  grid-template-columns: 64px 1fr 54px;
  align-items: center;
}

label {
  color: #343a42;
  font-size: 13px;
  font-weight: 850;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(32, 36, 42, 0.045);
}

.segmented button,
.tool-grid button,
.ghost-button,
.primary-action,
.secondary-action {
  min-height: 42px;
  border-radius: 7px;
  font-weight: 850;
  transition:
    transform 0.16s ease,
    background 0.16s ease,
    opacity 0.16s ease;
}

.segmented button {
  color: var(--muted);
  background: transparent;
}

.segmented button.active,
.tool-grid button.active {
  color: white;
  background: var(--machine);
}

.editor-controls > .control-group,
.editor-controls > .control-row,
.custom-editor > .control-group,
.custom-editor > .part-inspector {
  padding: 14px;
  border: 1px solid rgba(92, 83, 66, 0.14);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.82);
  box-shadow: 0 10px 30px rgba(48, 43, 32, 0.08);
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

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

.tool-grid button {
  color: var(--machine);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.68);
}

.helper-text {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.part-inspector {
  display: grid;
  gap: 10px;
}

.inspector-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.inspector-head span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}

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

.selected-scale-row {
  display: grid;
  grid-template-columns: 112px 1fr 54px;
  gap: 10px;
  align-items: center;
}

.selected-scale-row label {
  color: var(--muted);
  font-size: 12px;
}

.selected-scale-row output {
  font-size: 13px;
}

.axis-size-sliders {
  display: grid;
  gap: 8px;
}

.axis-size-sliders label {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 10px;
  align-items: center;
}

.axis-size-sliders span {
  color: var(--muted);
  font-size: 12px;
}

.number-grid label {
  display: grid;
  gap: 5px;
}

.number-grid span {
  color: var(--muted);
  font-size: 12px;
}

.number-grid input {
  width: 100%;
  min-height: 38px;
  padding: 8px 9px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 7px;
  background: white;
}

.number-grid input:disabled {
  color: #9aa0a6;
  background: rgba(255, 255, 255, 0.48);
}

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

output {
  color: var(--muted);
  font-weight: 850;
  text-align: right;
}

.swatches {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.swatch {
  width: 38px;
  height: 38px;
  border: 3px solid var(--panel-strong);
  border-radius: 50%;
  background: var(--swatch);
  box-shadow:
    0 0 0 1px rgba(32, 36, 42, 0.18),
    0 8px 18px rgba(32, 36, 42, 0.12);
}

.swatch.active {
  box-shadow:
    0 0 0 3px var(--machine),
    0 8px 18px rgba(32, 36, 42, 0.12);
}

.color-editor {
  display: grid;
  grid-template-columns: 110px minmax(160px, 1fr) auto;
  gap: 10px;
  align-items: end;
  padding: 12px;
  border: 1px solid rgba(92, 83, 66, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.5);
}

.color-pick,
.tone-control {
  display: grid;
  gap: 6px;
}

.color-pick span,
.tone-control span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}

.color-pick input {
  width: 100%;
  height: 42px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: white;
}

.primary-action,
.secondary-action {
  color: white;
  background: var(--accent);
}

.primary-action {
  min-height: 52px;
  font-size: 18px;
}

.secondary-action {
  min-width: 116px;
  padding: 0 14px;
  background: var(--mint);
}

.secondary-action:disabled {
  cursor: default;
  opacity: 0.45;
}

.ghost-button {
  min-width: 82px;
  padding: 0 12px;
  color: var(--machine);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.56);
}

.primary-action:hover,
.secondary-action:not(:disabled):hover,
.ghost-button:hover,
.segmented button:hover,
.tool-grid button:hover {
  transform: translateY(-1px);
}

.progress-block {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  padding: 12px;
  border-radius: 8px;
}

.progress-copy {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.progress-copy b {
  font-size: 22px;
}

.progress-track {
  overflow: hidden;
  height: 10px;
  border-radius: 999px;
  background: rgba(32, 36, 42, 0.1);
}

.progress-track span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--mint), var(--gold), var(--accent));
  transition: width 0.24s ease;
}

.harvest-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 16px;
  padding: 14px;
  border-radius: 8px;
}

.harvest-panel strong {
  display: block;
}

.empty-state {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 8px;
  color: var(--muted);
  text-align: center;
  pointer-events: none;
}

.empty-state b {
  color: var(--ink);
  font-size: 20px;
}

.empty-state.hidden {
  display: none;
}

.gallery-tools {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-top: 1px solid rgba(92, 83, 66, 0.12);
}

.compact-swatches .swatch {
  width: 32px;
  height: 32px;
}

.shelf {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(112px, 1fr));
  gap: 10px;
  max-height: 210px;
  overflow: auto;
  padding: 16px;
  border-top: 1px solid rgba(92, 83, 66, 0.12);
}

.shelf-item {
  display: grid;
  gap: 6px;
  min-height: 78px;
  padding: 10px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  text-align: left;
}

.shelf-item.active {
  border-color: var(--machine);
  box-shadow: 0 0 0 2px var(--machine);
}

.shelf-item b {
  font-size: 14px;
}

.shelf-item span {
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 980px) {
  .production-page {
    grid-template-columns: 1fr;
  }

  .studio-page {
    display: block;
    min-height: auto;
  }

  .studio-page .section-head {
    grid-column: auto;
  }

  .editor-controls {
    display: grid;
    grid-template-columns: 1fr;
    grid-row: auto;
    grid-column: auto;
    pointer-events: auto;
  }

  .editor-controls > *,
  .custom-editor > *,
  .editor-controls > .control-group:first-child,
  .custom-editor > .control-group,
  .editor-controls > .control-row,
  .editor-controls > .control-group:nth-last-of-type(1),
  .editor-controls > .primary-action,
  .custom-editor > .part-inspector {
    grid-column: auto;
  }

  .custom-editor {
    display: grid;
    gap: 16px;
  }

  .custom-editor[hidden] {
    display: none;
  }

  .preview-wrap {
    height: 520px;
  }
}

@media (max-width: 640px) {
  .app-shell {
    width: min(100% - 20px, 1440px);
  }

  .topbar {
    align-items: stretch;
    flex-direction: column;
  }

  .top-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .site-link {
    width: 100%;
  }

  .nav {
    justify-content: space-between;
  }

  .section-head {
    flex-direction: column;
  }

  h1 {
    font-size: 34px;
  }

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

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

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

  .selected-scale-row {
    grid-template-columns: 1fr;
  }

  .color-editor {
    grid-template-columns: 1fr;
  }

  .control-row {
    grid-template-columns: 52px 1fr 48px;
  }

  .preview-wrap,
  .printer-scene,
  .display-stage {
    min-height: 300px;
    height: 360px;
  }
}