/* Forge3D viewer. touch-action:none is applied to the viewer canvas ONLY (page keeps scrolling elsewhere). */
[data-clone-viewer] {
  position: relative; width: 100%; height: 100%; min-height: 320px; overflow: hidden;
  background: var(--mz-color-bg-canvas); border-radius: var(--mz-radius-panel);
  /* no transform / filter / isolation here: phone panels are position:fixed and must escape this box */
}
.mz-viewer__stage { position: absolute; inset: 0; }
[data-clone-viewer] canvas { display: block; width: 100%; height: 100%; touch-action: none; outline-offset: -2px; }

/* Overlays */
[data-viewer-poster] { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.mz-viewer__idle { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: var(--mz-space-2); color: var(--mz-text-muted); font-size: var(--mz-font-size-sm); pointer-events: none; }
[data-clone-viewer][data-state="ready"] .mz-viewer__idle, [data-clone-viewer][data-state="loading"] .mz-viewer__idle { display: none; }
[data-viewer-lost], [data-viewer-error] {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: min(88%, 360px);
  display: flex; flex-direction: column; align-items: center; gap: var(--mz-space-3); text-align: center;
  padding: var(--mz-space-4); background: var(--mz-surface-glass); border: 1px solid var(--mz-border-default); border-radius: var(--mz-radius-panel);
  font-size: var(--mz-font-size-sm); color: var(--mz-text-secondary); z-index: 3;
}
[data-viewer-lost][hidden], [data-viewer-error][hidden], [data-viewer-progress][hidden], [data-viewer-poster][hidden], [data-viewer-panel][hidden], [data-viewer-backdrop][hidden] { display: none; }
[data-viewer-progress] { position: absolute; left: var(--mz-space-4); right: var(--mz-space-4); bottom: var(--mz-space-4); height: 4px; border-radius: var(--mz-radius-pill); background: var(--mz-border-default); overflow: hidden; z-index: 2; }
.mz-viewer__bar { height: 100%; width: 0; background: var(--mz-color-accent-primary); transition: width var(--mz-motion-fast) linear; }

/* Toolbar: horizontally scrollable row pinned to the top of the viewer */
[data-viewer-toolbar] {
  position: absolute; top: 0; left: 0; right: 0; z-index: 4;
  display: flex; gap: var(--mz-space-1); align-items: center;
  padding: var(--mz-space-2); max-width: 100%;
  overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch;
}
[data-viewer-toolbar]::-webkit-scrollbar { display: none; }
[data-viewer-toolbar] [data-action="heal-model"] { order: -1; }
.mz-vbtn {
  flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; gap: var(--mz-space-2);
  min-width: var(--mz-size-tap); min-height: var(--mz-size-tap); padding: 0 var(--mz-space-2);
  border-radius: var(--mz-radius-control); color: var(--mz-color-text-primary);
  background: var(--mz-surface-glass); border: 1px solid var(--mz-border-subtle);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  font-size: var(--mz-font-size-sm); font-weight: var(--mz-font-weight-medium);
}
.mz-vbtn--label { padding: 0 var(--mz-space-3); }
.mz-vbtn[aria-pressed="true"], .mz-vbtn[aria-expanded="true"] { background: var(--mz-color-accent-soft); border-color: var(--mz-color-accent-primary); }
@media (hover: hover) { .mz-vbtn:hover { border-color: var(--mz-border-strong); } }

/* Panels: anchored popovers on desktop */
[data-viewer-panel] {
  position: absolute; top: calc(var(--mz-size-tap) + var(--mz-space-4)); left: var(--mz-space-2);
  min-width: 260px; max-width: 360px; max-height: calc(100% - var(--mz-size-tap) - var(--mz-space-6)); overflow-y: auto;
  z-index: var(--mz-z-popover);
  background: var(--mz-color-surface-panel); border: 1px solid var(--mz-border-default); border-radius: var(--mz-radius-panel);
  box-shadow: var(--mz-shadow-panel); padding: 0 var(--mz-space-4) var(--mz-space-4);
}
.mz-vpanel__grab { display: none; }
.mz-vpanel__head { display: flex; align-items: center; gap: var(--mz-space-2); padding: var(--mz-space-2) 0; position: sticky; top: 0; background: var(--mz-color-surface-panel); z-index: 1; }
.mz-vpanel__title { flex: 1 1 auto; font-size: var(--mz-font-size-md); font-weight: var(--mz-font-weight-semibold); margin: 0; }
.mz-vpanel__head .mz-vbtn { background: transparent; border-color: transparent; }
.mz-vpanel__body { display: flex; flex-direction: column; gap: var(--mz-space-3); }
.mz-vgroup { border: 1px solid var(--mz-border-subtle); border-radius: var(--mz-radius-control); padding: var(--mz-space-2) var(--mz-space-3); margin: 0; min-width: 0; }
.mz-vgroup legend { padding: 0 var(--mz-space-1); font-size: var(--mz-font-size-sm); color: var(--mz-text-secondary); font-weight: var(--mz-font-weight-semibold); }
.mz-vfield { display: flex; flex-direction: column; gap: 0; min-width: 0; }
.mz-vfield label { font-size: var(--mz-font-size-sm); color: var(--mz-text-secondary); }
.mz-vfield__head { display: flex; justify-content: space-between; align-items: baseline; gap: var(--mz-space-2); }
.mz-vfield__out { font-variant-numeric: tabular-nums; font-size: var(--mz-font-size-sm); color: var(--mz-color-text-primary); }
[data-clone-viewer] input[type="range"] { width: 100%; height: var(--mz-size-tap); min-width: var(--mz-size-tap); accent-color: var(--mz-color-accent-primary); font-size: 16px; background: transparent; }
[data-clone-viewer] input[type="range"]::-webkit-slider-thumb { width: 24px; height: 24px; }
[data-clone-viewer] input[type="range"]::-moz-range-thumb { width: 24px; height: 24px; }
[data-clone-viewer] input[type="range"]:disabled { opacity: 0.4; }
[data-clone-viewer] select, [data-clone-viewer] input { font-size: 16px; }
.mz-vfile { display: none; }
.mz-vchoices { display: flex; flex-wrap: wrap; gap: var(--mz-space-2); }
.mz-vchoice { flex: 1 1 auto; }
.mz-vchoice[aria-pressed="true"] { background: var(--mz-color-accent-soft); border-color: var(--mz-color-accent-primary); }
.mz-vtoggle { justify-content: flex-start; width: 100%; }
.mz-vtoggle__dot { width: 34px; height: 20px; border-radius: var(--mz-radius-pill); background: var(--mz-surface-sunken); border: 1px solid var(--mz-border-strong); position: relative; flex: 0 0 auto; }
.mz-vtoggle__dot::after { content: ""; position: absolute; top: 2px; left: 2px; width: 14px; height: 14px; border-radius: var(--mz-radius-pill); background: var(--mz-text-muted); transition: transform var(--mz-motion-fast) var(--mz-ease-out); }
.mz-vtoggle[aria-pressed="true"] .mz-vtoggle__dot { background: var(--mz-color-accent-primary); border-color: var(--mz-color-accent-primary); }
.mz-vtoggle[aria-pressed="true"] .mz-vtoggle__dot::after { transform: translateX(14px); background: var(--mz-text-on-accent); }
.mz-vhint { font-size: var(--mz-font-size-xs); color: var(--mz-text-muted); margin: 0; }
.mz-vsub { font-size: var(--mz-font-size-sm); margin: var(--mz-space-2) 0 0; color: var(--mz-text-secondary); }
.mz-vstats { display: grid; grid-template-columns: 1fr auto; gap: var(--mz-space-1) var(--mz-space-4); margin: 0; font-size: var(--mz-font-size-sm); }
.mz-vstats dt { color: var(--mz-text-secondary); }
.mz-vstats dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
[data-viewer-backdrop] { position: fixed; inset: 0; background: var(--mz-surface-overlay); z-index: var(--mz-z-sheet); }

/* <= 768 px: the same panels become bottom sheets */
@media (max-width: 768px) {
  [data-viewer-panel] {
    position: fixed; inset: auto 0 0 0; top: auto; left: 0 !important; width: auto !important; min-width: 0; max-width: none;
    max-height: 80dvh; overflow-y: auto; overscroll-behavior: contain;
    border-radius: var(--mz-radius-panel) var(--mz-radius-panel) 0 0; border-bottom: 0;
    padding: 0 calc(var(--mz-space-4) + env(safe-area-inset-right)) calc(var(--mz-space-4) + env(safe-area-inset-bottom)) calc(var(--mz-space-4) + env(safe-area-inset-left));
    z-index: calc(var(--mz-z-sheet) + 1);
    box-shadow: var(--mz-shadow-sheet);
    transition: transform var(--mz-motion-base) var(--mz-ease-out);
  }
  [data-viewer-panel].is-dragging { transition: none; }
  .mz-vpanel__grab { display: flex; justify-content: center; align-items: center; min-height: var(--mz-size-tap); margin: 0 calc(-1 * var(--mz-space-4)); }
  .mz-vpanel__handle { width: var(--mz-size-sheet-handle); height: 4px; border-radius: var(--mz-radius-pill); background: var(--mz-border-strong); }
  .mz-vpanel__head { padding-top: 0; }
  [data-clone-viewer] { border-radius: var(--mz-radius-control); }
}
html.mz-viewer-sheet-open { overflow: hidden; }

@media (prefers-reduced-motion: reduce) {
  [data-viewer-panel], .mz-viewer__bar, .mz-vtoggle__dot::after { transition: none; }
}

/* Texture swatch rail (top right): one-click base colour / metalness / roughness / normal map views */
.mz-vswatches { position: absolute; top: 10px; right: 10px; z-index: 5; display: flex; gap: 6px; padding: 5px;
  background: color-mix(in srgb, var(--mz-color-bg-canvas) 70%, transparent); border-radius: 12px; backdrop-filter: blur(6px); }
.mz-vswatch { width: 44px; height: 44px; padding: 0; border: 2px solid transparent; border-radius: 9px; overflow: hidden;
  background: #222; cursor: pointer; line-height: 0; }
.mz-vswatch canvas { width: 100%; height: 100%; display: block; image-rendering: auto; }
.mz-vswatch:hover { border-color: rgba(255,255,255,.35); }
.mz-vswatch[aria-pressed="true"] { border-color: var(--mz-color-accent-primary, #b6f23c); }
.mz-vswatch:focus-visible { outline: 2px solid var(--mz-color-accent-primary, #b6f23c); outline-offset: 2px; }
@media (max-width: 820px) { .mz-vswatches { top: 64px; } }
.mz-vswatch { position: relative; }
.mz-vswatch[aria-pressed="true"]::after { content: ""; position: absolute; inset: 0; pointer-events: none;
  background: center / 22px 22px no-repeat url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><path d='M2 12s3.6-7 10-7 10 7 10 7-3.6 7-10 7S2 12 2 12z'/><circle cx='12' cy='12' r='3'/></svg>");
  filter: drop-shadow(0 0 2px rgba(0,0,0,.8)); }

/* Material panel: colour tint picker + preset swatches */
.mz-vcolor { display: flex; flex-wrap: wrap; align-items: center; gap: var(--mz-space-2); margin: var(--mz-space-1) 0 var(--mz-space-2); }
.mz-vcolor input[type="color"] { width: 44px; height: 44px; padding: 0; border: 1px solid var(--mz-border-subtle); border-radius: var(--mz-radius-control); background: none; cursor: pointer; }
.mz-vcolor__sw { width: 28px; height: 28px; min-width: 28px; padding: 0; border-radius: 50%; border: 2px solid var(--mz-border-subtle); cursor: pointer; }
.mz-vcolor__sw:hover, .mz-vcolor__sw:focus-visible { border-color: var(--mz-text-primary, #fff); }
@media (pointer: coarse) { .mz-vcolor__sw { width: 36px; height: 36px; min-width: 36px; } }

/* Fix area (docs/clone/meshy/FIX_AREA.md): paint-to-select panel, brush cursor, crosshair while painting */
.mz-vfix { position: absolute; left: var(--mz-space-2); bottom: var(--mz-space-2); z-index: var(--mz-z-popover);
  width: min(340px, calc(100% - 2 * var(--mz-space-2))); max-height: calc(100% - var(--mz-size-tap) - var(--mz-space-6)); overflow-y: auto;
  display: flex; flex-direction: column; gap: var(--mz-space-2);
  background: var(--mz-color-surface-panel); border: 1px solid var(--mz-border-default); border-radius: var(--mz-radius-panel);
  box-shadow: var(--mz-shadow-panel); padding: 0 var(--mz-space-4) var(--mz-space-4); }
.mz-vfix[hidden] { display: none; }
.mz-vfix .mz-vpanel__head .mz-vbtn { background: transparent; border-color: transparent; }
/* Default dock: bottom-right so the model (centre/left) stays visible; drag the title bar to move it, chevron to collapse. */
@media (min-width: 769px) { .mz-vfix:not(.is-placed) { left: auto; right: var(--mz-space-2); } }
.mz-vfix .mz-vpanel__head { cursor: grab; user-select: none; -webkit-user-select: none; }
.mz-vfix.is-dragging { box-shadow: 0 10px 30px rgba(0, 0, 0, 0.55); opacity: 0.96; }
.mz-vfix.is-dragging .mz-vpanel__head { cursor: grabbing; }
.mz-vfix.is-collapsed { width: auto; min-width: 190px; padding-bottom: 0; overflow: hidden; }
.mz-vfix.is-collapsed > :not(.mz-vpanel__head) { display: none; }
.mz-vfix.is-collapsed .mz-vpanel__head { position: static; }
.mz-vfix__tools { display: flex; flex-wrap: wrap; gap: var(--mz-space-2); }
.mz-vfix__tools .mz-btn { min-height: var(--mz-size-tap); min-width: var(--mz-size-tap); }
.mz-vfix__tools .mz-vchoice { flex: 1 1 auto; }
.mz-vfix__label { font-size: var(--mz-font-size-sm); color: var(--mz-text-secondary); }
.mz-vfix__text { width: 100%; min-height: 72px; resize: vertical; font: inherit; font-size: 16px; box-sizing: border-box; }
.mz-vfix__submit { min-height: var(--mz-size-tap); width: 100%; justify-content: center; }
.mz-vfix__status { margin: 0; font-size: var(--mz-font-size-sm); color: var(--mz-text-secondary); min-height: 1.2em; }
.mz-vfix__status[data-kind="error"] { color: var(--mz-color-danger); }
.mz-vfix__result { border-radius: var(--mz-radius-control); padding: var(--mz-space-2) var(--mz-space-3); background: var(--mz-color-accent-soft); display: flex; flex-direction: column; gap: var(--mz-space-2); }
.mz-vfix__result[hidden] { display: none; }
.mz-vfix__result[data-kind="cannot"] { background: var(--mz-color-warning-soft); }
.mz-vfix__summary { margin: 0; font-size: var(--mz-font-size-sm); }
.mz-vfix__cursor { position: absolute; left: 0; top: 0; z-index: 3; pointer-events: none; border-radius: 50%;
  border: 2px solid rgba(255, 150, 40, 0.95); box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.6); background: rgba(255, 140, 26, 0.12); }
.mz-vfix__cursor[hidden] { display: none; }
[data-clone-viewer].is-fixing[data-fix-mode="paint"] canvas { cursor: crosshair; }
@media (max-width: 768px) {
  .mz-vfix { position: fixed; left: 0; right: 0; bottom: 0; top: auto; width: auto; max-height: 55dvh;
    border-radius: var(--mz-radius-panel) var(--mz-radius-panel) 0 0; border-bottom: 0; z-index: calc(var(--mz-z-sheet) + 1);
    padding: 0 calc(var(--mz-space-4) + env(safe-area-inset-right)) calc(var(--mz-space-4) + env(safe-area-inset-bottom)) calc(var(--mz-space-4) + env(safe-area-inset-left)); }
}