.apainted-3d-root {
  --ui-bg: #ffffff;
  --ui-panel: #ffffff;
  --ui-panel-alt: #f5f5f5;
  --ui-border: #1f1f1f;
  --ui-border-soft: #8a8a8a;
  --ui-text: #111111;
  --ui-muted: #5c5c5c;
  --ui-invert: #111111;
  --ui-invert-text: #ffffff;
  --ui-shell: linear-gradient(180deg, #fbfbfb 0%, #efefef 100%);
  --ui-shadow: 0 18px 38px rgba(17, 17, 17, 0.08);
  display: block;
  width: 100%;
  max-width: none;
  color: var(--ui-text);
  font-family: "Yu Gothic UI", "Hiragino Sans", sans-serif;
  font-size: 16px;
  line-height: 1.4;
  position: relative;
  isolation: isolate;
}

.apainted-3d-root,
.apainted-3d-root * {
  box-sizing: border-box;
}

.apainted-3d-root :where(div, section, aside, main, p, h1, h2, h3, h4, h5, h6, span, strong, label, button, select, input, details, summary, canvas) {
  max-width: none;
  float: none;
}

.apainted-3d-root :where(p, h1, h2, h3, h4, h5, h6) {
  margin: 0;
}

.apainted-3d-root :where(button, select, input) {
  font: inherit;
  letter-spacing: normal;
  text-transform: none;
}

.apainted-3d-root :where(canvas, img, svg) {
  max-width: none;
}

.apainted-3d-root :where(ul, ol) {
  margin: 0;
  padding: 0;
  list-style: none;
}

.apainted-3d-root details {
  display: block;
}

.apainted-3d-root summary {
  cursor: pointer;
}

.apainted-3d-fallback {
  padding: 20px;
  border: 1px solid var(--ui-border);
  background: var(--ui-bg);
}

.apainted-3d-app {
  display: grid;
  grid-template-columns: minmax(540px, 820px) 420px;
  grid-template-areas:
    "hero hero"
    "stage side"
    "help side";
  align-items: start;
  justify-content: center;
  column-gap: 16px;
  row-gap: 6px;
  width: 100%;
  padding: 12px;
  background: var(--ui-shell);
  border: 1px solid #d5d5d5;
  box-shadow: var(--ui-shadow);
  box-sizing: border-box;
}

.apainted-3d-stage {
  display: contents;
}

.apainted-3d-hero {
  grid-area: hero;
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 12px;
  padding: 14px 16px;
  width: 100%;
  max-width: 1256px;
  margin: 0 auto 4px;
  border: 1px solid var(--ui-border);
  background: var(--ui-panel);
}

.apainted-3d-app > .apainted-3d-help-panel {
  grid-area: help;
}

.apainted-3d-hero > div:first-child {
  text-align: center;
}

.apainted-3d-kicker {
  margin: 0 0 4px;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--ui-muted);
  text-transform: uppercase;
}

.apainted-3d-title {
  margin: 0;
  font-size: 1.32rem;
  line-height: 1.2;
}

.apainted-3d-subtitle {
  margin: 8px 0 0;
  font-size: 0.92rem;
  color: var(--ui-muted);
}

.apainted-3d-turn-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 3px 7px;
  border: 1px solid var(--ui-border);
  background: var(--ui-invert);
  color: var(--ui-invert-text);
  font-weight: 700;
  white-space: nowrap;
}

.apainted-3d-turn-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ffffff;
  border: 1px solid #ffffff;
}

.apainted-3d-viewport-shell {
  grid-area: stage;
  position: relative;
  width: min(100%, 86vh);
  aspect-ratio: 1 / 1;
  margin: 0 auto;
  border: 1px solid var(--ui-border);
  box-shadow: 0 12px 28px rgba(17, 17, 17, 0.08);
  background: #ffffff;
  overflow: hidden;
}

.apainted-3d-viewport {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.apainted-3d-viewport canvas {
  display: block;
  max-width: 100%;
  max-height: 100%;
}

.apainted-3d-overlay {
  display: none;
}

.apainted-3d-chip {
  display: grid;
  gap: 1px;
  padding: 8px 10px;
  border: 1px solid var(--ui-border);
  background: rgba(255, 255, 255, 0.92);
  color: var(--ui-text);
  font-size: 0.78rem;
}

.apainted-3d-chip strong {
  font-size: 0.78rem;
}

.apainted-3d-side {
  grid-area: side;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-left: 0;
  transform: none;
  margin-top: 0;
  align-content: start;
}

.apainted-3d-panel.is-hidden {
  display: none;
}

.apainted-3d-panel:has([data-role="status-text"]),
.apainted-3d-panel:has([data-role="selected-text"]),
.apainted-3d-panel[data-panel-role="status"] {
  display: none !important;
}

.apainted-3d-panel {
  padding: 12px;
  border: 1px solid var(--ui-border);
  background: var(--ui-panel);
  color: var(--ui-text);
  min-width: 0;
}

.apainted-3d-panel.apainted-3d-settings {
  grid-column: 1 / -1;
  width: 100%;
  box-sizing: border-box;
}

.apainted-3d-panel:has([data-role="player-select"]) {
  grid-column: 1 / -1;
  width: 100%;
  box-sizing: border-box;
}

.apainted-3d-panel h3 {
  margin: 0 0 6px;
  font-size: 1rem;
}

.apainted-3d-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  align-items: start;
}

.apainted-3d-control-group {
  display: grid;
  gap: 5px;
}

.apainted-3d-control-group label {
  font-size: 0.9rem;
  color: var(--ui-text);
}

.apainted-3d-audio-control span {
  font-size: 0.9rem;
  color: var(--ui-text);
}

.apainted-3d-select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--ui-border);
  background: #ffffff;
  color: #111111;
  font: inherit;
}

.apainted-3d-range {
  width: 100%;
  margin: 6px 0 0;
}

.apainted-3d-volume-value {
  font-size: 0.9rem;
  color: var(--ui-text);
  text-align: right;
}

.apainted-3d-audio-note {
  grid-column: 1 / -1;
  margin: 0;
  padding: 10px 12px;
  border: 1px solid var(--ui-border);
  background: var(--ui-panel-alt);
  color: var(--ui-text);
  font-size: 0.88rem;
  line-height: 1.5;
}

.apainted-3d-buttons {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.apainted-3d-audio-control,
.apainted-3d-buttons {
  grid-column: 1 / -1;
}

.apainted-3d-button {
  width: 100%;
  min-height: 48px;
  padding: 11px 12px;
  border: 1px solid var(--ui-border);
  background: #ffffff;
  color: #111111;
  font: inherit;
  font-weight: 700;
  font-size: 0.94rem;
  cursor: pointer;
}

.apainted-3d-button:hover {
  background: #f0f0f0;
}

.apainted-3d-button:disabled {
  opacity: 0.45;
  cursor: default;
  background: #fafafa;
}

.apainted-3d-button-primary {
  background: #d9d9d9;
  color: #111111;
}

.apainted-3d-button-primary:hover {
  background: #c8c8c8;
}

.apainted-3d-button-secondary {
  background: #ffffff;
  color: #111111;
}

.apainted-3d-button.is-active {
  background: #111111;
  color: #ffffff;
}

.apainted-3d-help {
  display: grid;
  gap: 4px;
  line-height: 1.5;
  font-size: 0.96rem;
}

.apainted-3d-help-panel,
.apainted-3d-rules {
  grid-column: 1 / -1;
  width: 100%;
}

.apainted-3d-help p {
  margin: 0;
}

.apainted-3d-rules {
  line-height: 1.65;
  color: var(--ui-text);
  font-size: 0.96rem;
}

.apainted-3d-rules-toggle {
  width: 100%;
  margin: 0 0 8px;
}

.apainted-3d-rules.is-collapsed > :not(h3):not(.apainted-3d-rules-toggle) {
  display: none;
}

.apainted-3d-rules p {
  margin: 0;
}

.apainted-3d-rules p + p {
  margin-top: 8px;
}

/* Strong layout guards for themes / browser styles that override display or borders */
.apainted-3d-root .apainted-3d-app {
  display: grid !important;
  grid-template-columns: minmax(540px, 820px) 420px !important;
  grid-template-areas:
    "hero hero"
    "stage side"
    "help side" !important;
  align-items: start !important;
  justify-content: center !important;
  column-gap: 16px !important;
  row-gap: 6px !important;
  padding: 12px !important;
  background: var(--ui-shell) !important;
  border: 1px solid #d5d5d5 !important;
  box-shadow: var(--ui-shadow) !important;
}

.apainted-3d-root .apainted-3d-stage {
  display: contents !important;
}

.apainted-3d-root .apainted-3d-hero {
  display: flex !important;
  grid-area: hero !important;
  padding: 14px 16px !important;
  width: 100% !important;
  max-width: 1256px !important;
  margin: 0 auto 4px !important;
  border: 1px solid var(--ui-border) !important;
  background: var(--ui-panel) !important;
}

.apainted-3d-root .apainted-3d-turn-pill {
  display: inline-flex !important;
  border: 1px solid var(--ui-border) !important;
  background: var(--ui-invert) !important;
  color: var(--ui-invert-text) !important;
}

.apainted-3d-root .apainted-3d-viewport-shell {
  display: block !important;
  grid-area: stage !important;
  width: min(100%, 86vh) !important;
  margin: 0 auto !important;
  border: 1px solid var(--ui-border) !important;
  background: #ffffff !important;
  box-shadow: 0 12px 28px rgba(17, 17, 17, 0.08) !important;
}

.apainted-3d-root .apainted-3d-side {
  display: grid !important;
  grid-area: side !important;
  grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  gap: 8px !important;
  margin-left: 0 !important;
  transform: none !important;
  align-self: start !important;
}

.apainted-3d-root .apainted-3d-app > .apainted-3d-help-panel {
  grid-area: help !important;
}

.apainted-3d-root .apainted-3d-panel {
  display: block !important;
  border: 1px solid var(--ui-border) !important;
  background: var(--ui-panel) !important;
}

.apainted-3d-root .apainted-3d-panel:has([data-role="status-text"]),
.apainted-3d-root .apainted-3d-panel:has([data-role="selected-text"]),
.apainted-3d-root .apainted-3d-panel[data-panel-role="status"] {
  display: none !important;
}

.apainted-3d-root .apainted-3d-help-panel,
.apainted-3d-root .apainted-3d-rules,
.apainted-3d-root .apainted-3d-panel.apainted-3d-settings,
.apainted-3d-root .apainted-3d-panel:has([data-role="player-select"]) {
  grid-column: 1 / -1 !important;
  width: 100% !important;
  min-width: 0 !important;
}

@media (max-width: 900px) {
  .apainted-3d-app {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "hero"
      "stage"
      "side";
    justify-content: stretch;
    column-gap: 0;
    row-gap: 12px;
    width: min(100%, calc(100vw - 20px));
    margin: 0 auto;
    padding: 10px;
  }

  .apainted-3d-hero {
    width: 100%;
    max-width: none;
    margin: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
  }

  .apainted-3d-hero > div:first-child {
    text-align: left;
  }

  .apainted-3d-turn-pill {
    align-self: flex-start;
  }

  .apainted-3d-viewport-shell {
    width: min(100%, 94vw);
    margin: 0 auto;
  }

  .apainted-3d-side {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .apainted-3d-controls {
    grid-template-columns: 1fr;
  }

  .apainted-3d-buttons {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .apainted-3d-root .apainted-3d-app {
    grid-template-columns: minmax(0, 1fr) !important;
    grid-template-areas:
      "hero"
      "stage"
      "side" !important;
    justify-content: stretch !important;
    column-gap: 0 !important;
    row-gap: 12px !important;
    width: min(100%, calc(100vw - 20px)) !important;
    margin: 0 auto !important;
    padding: 10px !important;
  }

  .apainted-3d-root .apainted-3d-hero {
    width: 100% !important;
    max-width: none !important;
    margin: 0 !important;
    flex-direction: column !important;
    align-items: stretch !important;
    padding: 12px !important;
  }

  .apainted-3d-root .apainted-3d-viewport-shell {
    width: min(100%, 94vw) !important;
    margin: 0 auto !important;
  }

  .apainted-3d-root .apainted-3d-side {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }

  .apainted-3d-rules,
  .apainted-3d-root .apainted-3d-rules {
    display: block !important;
  }

  .apainted-3d-root .apainted-3d-buttons {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }

  .apainted-3d-root[data-layout-mode="mobile"] .apainted-3d-audio-note {
    font-size: 0.84rem;
  }
}

@media (min-width: 901px) {
  .apainted-3d-root[data-layout-mode="desktop"] .apainted-3d-side {
    position: sticky;
    top: 12px;
  }

  .apainted-3d-root[data-layout-mode="desktop"] .apainted-3d-turn-pill {
    align-self: center;
  }

  .apainted-3d-root[data-layout-mode="desktop"] .apainted-3d-controls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}