.mb3d {
  color: var(--mb-ink, #22352e);
  font-family: Arial, Helvetica, sans-serif;
  width: 100%;
  min-width: 0;
}
.mb3d *, .mb3d *::before, .mb3d *::after { box-sizing: border-box; }
.mb3d-controls { min-width: 0; }
.mb3d-settings[hidden] { display: none !important; }
.mb3d-settings { padding-top: 12px; }
.mb3d-options-button { display: inline-flex; align-items: center; gap: 20px; }
.mb3d-options-button[aria-expanded="true"] { border-color: var(--mb-accent, #b84d2b); }
.mb3d-view-tools { display: flex; flex-wrap: wrap; gap: 8px; }
.mb3d-rotation { padding: 13px; margin-top: 12px; border: 1px solid var(--mb-rule, #d2d7ce); background: var(--mb-surface, #eeeee6); }
.mb3d-rotation-heading, .mb3d-rotation-bottom { display: flex; align-items: center; justify-content: space-between; gap: 12px; font: 11px/1.5 Consolas, monospace; }
.mb3d-rotation-heading output { color: var(--mb-accent, #b84d2b); font-size: 15px; white-space: nowrap; }
.mb3d-rotation input[type="range"] { width: 100%; margin-top: 7px; }
.mb3d-rotation-scale { display: flex; justify-content: space-between; color: var(--mb-muted, #57655d); font: 10px/1.5 Consolas, monospace; }
.mb3d-rotation-bottom { margin-top: 9px; }
.mb3d-rotation-bottom > span { color: var(--mb-muted, #57655d); }
.mb3d-depth-legend { position: absolute; bottom: 12px; left: 12px; z-index: 2; color: #fff; background: #000b; padding: 6px 9px; font: 10px/1.5 Consolas, monospace; pointer-events: none; }
.mb3d-depth-legend[hidden] { display: none; }
.mb3d-save-panel { margin-top: 14px; border: 1px solid var(--mb-rule, #d2d7ce); padding: 12px; }
.mb3d-save-panel summary { cursor: pointer; font: 12px/1.5 Consolas, monospace; }
.mb3d-save-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: 12px; }
.mb3d-save-actions .mb3d-button { text-align: left; }
.mb3d-save-file { grid-column: 1 / -1; font: 11px/1.6 Consolas, monospace; margin-top: 3px; }
.mb3d-save-file input { display: block; width: 100%; min-width: 0; margin-top: 6px; font: inherit; }
.mb3d-save-file input::file-selector-button { padding: 9px; margin-right: 10px; border: 1px solid var(--mb-line, #b3beb4); background: var(--mb-surface, #eeeee6); color: var(--mb-ink, #22352e); font: inherit; cursor: pointer; }
.mb3d-save-status { font: 11px/1.6 Consolas, monospace; color: var(--mb-accent, #b84d2b); margin: 8px 0 0; overflow-wrap: anywhere; }
.mb3d-save-status:empty { display: none; }
.mb3d-save-status[data-error="true"] { color: #d66f50; }
.mb3d-stage {
  position: relative;
  width: 100%;
  height: clamp(300px, 40vw, 480px);
  overflow: hidden;
  background-image: linear-gradient(to right, var(--mb-rule, #d2d7ce) 1px, transparent 1px), linear-gradient(to bottom, var(--mb-rule, #d2d7ce) 1px, transparent 1px);
  background-size: 28px 28px;
  background-position: center;
  border-bottom: 1px solid var(--mb-rule, #d2d7ce);
}
.mb3d-canvas {
  display: block;
  width: 100%;
  height: 100%;
  position: relative;
  z-index: 1;
  cursor: grab;
  touch-action: none;
}
.mb3d-canvas:active { cursor: grabbing; }
.mb3d-canvas:focus-visible { outline: 2px solid var(--mb-accent, #b84d2b); outline-offset: -3px; }
.mb3d-vignette { position: absolute; inset: 0; z-index: 2; pointer-events: none; background: radial-gradient(ellipse at center, transparent 25%, rgba(0,0,0,.85) 100%); opacity: var(--mb3d-vignette, 0); }
.mb3d-corner { position: absolute; width: 20px; height: 20px; pointer-events: none; z-index: 2; }
.mb3d-corner-a { top: 10px; left: 10px; border-top: 1px solid var(--mb-line, #b3beb4); border-left: 1px solid var(--mb-line, #b3beb4); }
.mb3d-corner-b { right: 10px; bottom: 10px; border-bottom: 1px solid var(--mb-line, #b3beb4); border-right: 1px solid var(--mb-line, #b3beb4); }
.mb3d-stamp {
  position: absolute;
  left: 13px;
  bottom: 11px;
  color: var(--mb-muted, #57655d);
  background: var(--mb-paper, #f6f5ef);
  padding: 3px 6px;
  font: 10px/1.5 Consolas, monospace;
  letter-spacing: .08em;
  pointer-events: none;
  z-index: 2;
}
.mb3d-status {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
  padding: 36px;
  background: var(--mb-paper, #f6f5ef);
  font: 12px/1.7 Consolas, monospace;
}
.mb3d-status[hidden] { display: none; }
.mb3d-status-mark { color: var(--mb-accent, #b84d2b); font-size: 29px; }
.mb3d-error .mb3d-status-text { max-width: 350px; }
.mb3d-toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 8px; padding: 10px 0; }
.mb3d.materials-open .mb3d-stage { position: sticky; top: 8px; z-index: 5; height: clamp(200px, 42dvh, 360px); background-color: var(--mb-paper, #f6f5ef); box-shadow: 0 6px 0 var(--mb-paper, #f6f5ef); }
.mb3d-material-host { margin-top: 12px; scroll-margin-top: calc(clamp(200px, 42dvh, 360px) + 24px); }
.mb3d-material-host details { scroll-margin-top: calc(clamp(200px, 42dvh, 360px) + 24px); }
.mb3d-button {
  border: 1px solid var(--mb-line, #b3beb4);
  background: transparent;
  color: inherit;
  padding: 8px 10px;
  min-height: 37px;
  font: 11px/1.5 Consolas, monospace;
  cursor: pointer;
}
.mb3d-button:hover:not(:disabled), .mb3d-button[aria-pressed="true"] { background: var(--mb-surface, #eeeee6); border-color: var(--mb-ink, #22352e); }
.mb3d-button:focus-visible { outline: 2px solid var(--mb-accent, #b84d2b); outline-offset: 3px; }
.mb3d-button:disabled { opacity: .45; cursor: wait; }
.mb3d-help { margin: 10px 0 0 !important; color: var(--mb-muted, #57655d) !important; font-size: 11px; line-height: 1.6; }
.mb3d-help span { font-size: 10px; }
.mb3d-options { display: grid; grid-template-columns: 1fr 1fr; margin-top: 14px; border: 1px solid var(--mb-rule, #d2d7ce); }
.mb3d-option { padding: 12px 14px; min-width: 0; }
.mb3d-option + .mb3d-option { border-left: 1px solid var(--mb-rule, #d2d7ce); }
.mb3d-switch { display: flex; align-items: center; gap: 8px; cursor: pointer; font: 12px/1.5 Consolas, monospace; }
.mb3d-switch input { width: 15px; height: 15px; accent-color: var(--mb-accent, #b84d2b); margin: 0; }
.mb3d-range-row { display: flex; align-items: center; gap: 12px; margin-top: 9px; }
.mb3d-range-row input { width: 100%; min-width: 0; }
.mb3d-range-row output { min-width: 38px; text-align: right; font: 10px/1.5 Consolas, monospace; color: var(--mb-muted, #57655d); }
.mb3d input[type="range"] { accent-color: var(--mb-accent, #b84d2b); cursor: pointer; height: 22px; margin: 0; }
.mb3d input:disabled { opacity: .35; cursor: default; }
.mb3d input:focus-visible { outline: 2px solid var(--mb-accent, #b84d2b); outline-offset: 3px; }
.mb3d-explosion { border: 1px solid var(--mb-rule, #d2d7ce); border-top: 0; padding: 14px; }
.mb3d-explosion-heading { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 6px; font: 10px/1.6 Consolas, monospace; letter-spacing: .02em; }
.mb3d-explosion-heading output { white-space: nowrap; color: var(--mb-accent, #b84d2b); }
.mb3d-explosion-range { width: 100%; }
.mb3d-playback { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
.mb3d-note { color: var(--mb-muted, #57655d) !important; font-size: 10px !important; line-height: 1.6 !important; margin: 6px 0 0 !important; }
.mb-no-grid .mb3d-stage { background-image: none; }
@media (max-width: 650px) {
  .mb3d-stage { height: 360px; }
  .mb3d-toolbar { gap: 6px; }
  .mb3d-button { padding: 10px; min-height: 42px; }
  .mb3d-option { padding: 12px 9px; }
  .mb3d-switch { font-size: 10px; gap: 5px; }
  .mb3d-explosion-heading { flex-wrap: wrap; gap: 2px; }
}

.mb3d-environment { border: 1px solid var(--mb-rule,#d2d7ce); margin-top: 12px; font: 11px/1.6 Consolas,monospace; }
.mb3d-environment summary { cursor: pointer; padding: 12px; font-weight: 600; }
.mb3d-environment summary span { float: right; color: var(--mb-accent,#b84d2b); font-size: 10px; font-weight: 400; }
.mb3d-environment-body { padding: 0 12px 12px; }
.mb3d-environment-label { display: block; margin-top: 12px; }
.mb3d-environment .mb3d-switch { margin: 10px 0 0; font-size: 11px; }

.mb3d-save-host[hidden] { display: none !important; }
.mb3d-effects-panel { border: 1px solid var(--mb-rule,#d2d7ce); margin-top: 14px; }
.mb3d-effects-panel summary { cursor: pointer; padding: 12px; font: 11px/1.6 Consolas,monospace; }
.mb3d-effects-panel summary span { float: right; color: var(--mb-muted,#57655d); font-size: 10px; }
.mb3d-effects-panel .mb3d-options { margin-top: 0; border: 0; border-top: 1px solid var(--mb-rule,#d2d7ce); }

#minebox-mockup .mb-motor-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
#minebox-mockup #mb-speed:disabled { opacity: .4; cursor: wait; }
#minebox-mockup #mb-motor-badge { text-align: right; }
#minebox-mockup #mb-motor-note { min-height: 2.8em; }

.mb3d-ra-controls[hidden] { display: none !important; }
.mb3d-ra-controls { padding: 10px 13px 12px; margin-bottom: 6px; border: 1px solid var(--mb-rule, #d2d7ce); background: var(--mb-surface, #eeeee6); flex: 0 0 auto; }
.mb3d-ra-slider { display: flex; align-items: center; gap: 10px; margin-top: 4px; font: 10px/1.5 Consolas, monospace; color: var(--mb-muted, #57655d); }
.mb3d-ra-slider > input { width: 100%; min-width: 40px; flex: 1; }
.mb3d-ra-slider > span, .mb3d-ra-slider > button { white-space: nowrap; }
.mb3d.ra-open .mb3d-rotation { display: none; }
.mb3d.mb3d-is-fullscreen .mb3d-ra-controls { margin: 0 12px 10px; }
@media (max-width: 650px) {
  .mb3d-ra-controls { padding: 9px; }
  .mb3d-ra-slider { gap: 7px; }
}

/* Two visible choices keep camera switching one click away. */
.mb3d-projection-switch { display: inline-flex; align-items: center; margin-right: auto; min-width: 0; }
.mb3d-projection-caption { margin-right: 9px; font: 11px/1.5 Consolas, monospace; color: var(--mb-muted, #57655d); }
.mb3d-projection-switch .mb3d-button { color: var(--mb-muted, #57655d); border-color: var(--mb-rule, #d2d7ce); }
.mb3d-projection-switch .mb3d-button + .mb3d-button { margin-left: -1px; }
.mb3d-projection-switch .mb3d-button[aria-pressed="true"] { position: relative; color: var(--mb-accent, #b84d2b); border-color: var(--mb-accent, #b84d2b); background: var(--mb-surface, #eeeee6); box-shadow: inset 0 -2px 0 var(--mb-accent, #b84d2b); }
.mb3d.mb3d-is-fullscreen.options-open .mb3d-projection-switch { flex: 1 0 100%; }
@media (max-width: 650px) {
  .mb3d-projection-switch { flex: 1 0 100%; }
  .mb3d-projection-switch .mb3d-button { flex: 1; }
}