/* ── 3D Viewport ── */

.viewport-3d{
  flex:1;display:flex;flex-direction:column;background:var(--bg-inset);position:relative;overflow:hidden;
  border-radius:var(--r);box-shadow:var(--sh-sm);
}
.viewport-3d.drop-hover{box-shadow:inset 0 0 0 2px var(--primary);}
.viewport-3d.play-mode::after{
  content:'';position:absolute;inset:0;z-index:60;
  border:2px solid var(--green);border-radius:inherit;
  pointer-events:none;
}
/* ── Column layout (2D / 3D side-by-side in split) ── */
.vp-col{
  display:flex;flex-direction:column;flex:1;min-width:0;overflow:hidden;
}
.vp-toolbar{
  display:flex;align-items:center;justify-content:center;
  height:37px;box-sizing:border-box;padding:0 10px;
  background:var(--surface);border-bottom:1px solid var(--border-light);
  position:relative;flex-shrink:0;
}
.vp-toolbar-center{display:flex;align-items:center;gap:2px;}
.vp-status{
  display:flex;align-items:center;gap:6px;padding:3px 10px;
  background:var(--surface-raised);border-top:1px solid var(--border-light);
  font-size:11px;color:var(--text-muted);font-family:inherit;
  letter-spacing:0.01em;flex-shrink:0;
}
/* Column visibility by mode */
.vp-canvas-wrap[data-mode="2d"] .vp3d-col{display:none;}
.vp-canvas-wrap[data-mode="3d"] .vp2d-col{display:none;}
.vp-canvas-wrap[data-mode="design"] .vp3d-col{display:none;}
.vp-canvas-wrap[data-mode="3d-stage"] .vp2d-col{display:none;}
.vp-canvas-wrap[data-mode="live-test"] .vp2d-col,.vp-canvas-wrap[data-mode="live-test"] .vp3d-col{display:none;}
.vp-canvas-wrap[data-mode="split"] .vp2d-col{order:1;}
.vp-canvas-wrap[data-mode="split"] .vp3d-col{order:2;border-left:2px solid var(--border-light);}
/* Play mode: hide status bars (vp-header stays visible with live badge) */
.viewport-3d.play-mode .vp-toolbar{display:none;}
.viewport-3d.play-mode .vp-status{display:none;}

/* ── Unified viewport header ── */
.vp-header{
  display:flex;align-items:center;justify-content:space-between;
  height:37px;padding:0 10px;
  background:var(--surface);border-bottom:1px solid var(--border-light);
  flex-shrink:0;
}
.vp-header-left,.vp-header-right{
  display:flex;align-items:center;gap:2px;flex:1;
}
.vp-header-right{justify-content:flex-end;}
.vp-header-center{
  display:flex;align-items:center;justify-content:center;gap:4px;
}
/* Tool group visibility (driven by data-app-mode on .viewport-3d) */
.vp-tools-group{display:none;align-items:center;gap:2px;}
.viewport-3d[data-app-mode="design"] #vpTools2D{display:flex;}
.viewport-3d[data-app-mode="3d-stage"] #vpTools3D{display:flex;}
.viewport-3d[data-app-mode="live-test"] #vpToolsLive{display:flex;}
/* In split layout show both tool groups regardless of app mode */
.viewport-3d[data-vp-layout="split"] #vpTools2D{display:flex;}
.viewport-3d[data-vp-layout="split"] #vpTools3D{display:flex;}
/* Layout switch: hidden in live-test; fullscreen: hidden unless live-test */
#vpFullscreenBtn{display:none;}
.viewport-3d[data-app-mode="live-test"] #vpLayoutSwitch{display:none;}
.viewport-3d[data-app-mode="live-test"] #vpFullscreenBtn{display:grid;}
/* Layout switch buttons */
.vp-layout-switch{display:flex;align-items:center;gap:1px;}
.vp-layout-btn{
  width:26px;height:26px;border:none;background:transparent;border-radius:var(--r-sm);
  cursor:pointer;color:var(--text-muted);display:grid;place-items:center;transition:var(--tr);
}
.vp-layout-btn:hover{background:var(--bg);color:var(--text);}
.vp-layout-btn.active{background:var(--primary-bg);color:var(--primary);}
.vp-layout-btn svg{width:15px;height:11px;}
#vpFullscreenBtn svg{width:13px;height:13px;}
/* Live badge */
.vp-live-badge{
  display:inline-flex;align-items:center;gap:5px;
  font-size:11px;font-weight:600;color:var(--green);
  padding:3px 8px;background:var(--green-bg);border-radius:var(--r-sm);
}
.vp-live-dot{
  width:6px;height:6px;border-radius:50%;background:var(--green);
  animation:livePulse 1.5s ease-in-out infinite;
}
@keyframes livePulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.85)}}
.vp3d-btn{
  width:28px;height:26px;border:none;background:transparent;border-radius:var(--r-sm);
  cursor:pointer;color:var(--text-muted);display:grid;place-items:center;transition:var(--tr);
}
.vp3d-btn:hover{background:var(--bg);color:var(--text);}
.vp3d-btn.active{background:var(--primary-bg);color:var(--primary);}
.vp3d-btn.disabled,.vp3d-btn[disabled]{opacity:0.3;pointer-events:none;}
.vp3d-btn svg{width:15px;height:15px;}
.vp3d-toggle{position:relative;}
.vp3d-toggle:not(.active){color:var(--text-faint);background:transparent;opacity:1;}
.vp3d-toggle.active{background:transparent;color:var(--text-secondary);}
.vp3d-toggle:hover{color:var(--text);background:var(--bg);}
.vp3d-sep{width:1px;height:18px;background:var(--border-light);margin:0 4px;}
/* Space toggle (world / local) */
.vp3d-space-toggle{position:relative;width:auto;height:26px;display:flex;align-items:center;gap:4px;margin-right:6px;padding:0 6px;background:color-mix(in srgb, var(--bg) 50%, transparent);color:var(--text-secondary);}
.vp3d-space-toggle .vp3d-ico-local{display:none;}
.vp3d-space-toggle.local .vp3d-ico-world{display:none;}
.vp3d-space-toggle.local .vp3d-ico-local{display:block;}
.vp3d-space-label{font-size:10px;font-weight:500;line-height:1;white-space:nowrap;margin-right:2px;display:inline-block;width:30px;text-align:left;}
.vp3d-canvas{
  flex:1;position:relative;overflow:hidden;
  background:var(--bg-inset);
}
.vp3d-canvas.transparent-bg{
  background:repeating-conic-gradient(#d8dbe2 0% 25%, #eef0f4 0% 50%) 0 0 / 16px 16px;
}
.vp3d-canvas > canvas{
  display:none;position:absolute;top:0;left:0;width:100%!important;height:100%!important;
  background:transparent;
}
/* ── Empty-state placeholder (shared by 2D & 3D viewports) ── */
.vp-placeholder{
  position:absolute;top:0;left:0;width:100%;height:100%;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;color:var(--text-muted);pointer-events:none;
}
.vp-placeholder.is-2d{background:var(--bg-inset);}
.vp-placeholder > svg{width:80px;height:80px;margin-bottom:12px;opacity:.3;}
.vp-placeholder p{font-size:13px;margin:0 0 24px;}
.vp-placeholder-cta{
  pointer-events:all;cursor:pointer;
  display:inline-flex;align-items:center;gap:7px;
  height:40px;padding:0 28px;border-radius:var(--r-sm);
  background:var(--primary-bg);color:var(--primary);
  border:1px solid color-mix(in srgb,var(--primary) 25%,transparent);
  font:600 14px/1 inherit;white-space:nowrap;
  transition:var(--tr);
}
.vp-placeholder-cta:hover{background:var(--primary-bg-hover);border-color:color-mix(in srgb,var(--primary) 40%,transparent);}
.vp-placeholder-cta svg{width:16px;height:16px;flex-shrink:0;display:block;}
.vp-placeholder-hint{display:block;max-width:300px;font-size:10px;font-weight:400;line-height:1.5;color:var(--text-faint);margin:24px 0 0;}

/* Camera look-through overlay */
.vp3d-cam-overlay{
  display:none;position:absolute;inset:12px;
  border:2px solid rgba(74,108,245,.45);border-radius:4px;
  pointer-events:none;z-index:5;
}
.vp3d-cam-overlay.active{display:block;}
.vp3d-cam-name{
  position:absolute;top:0;left:0;
  padding:3px 8px;
  font-size:11px;font-weight:600;letter-spacing:.3px;
  color:var(--primary);background:rgba(240,238,255,.85);
  border-bottom-right-radius:4px;line-height:1;
}
/* Drag-over feedback */
.vp3d-canvas.drag-over{outline:2px dashed var(--primary);outline-offset:-4px;background:var(--primary-bg);}
.vp-status .sb-sep{width:1px;height:10px;background:var(--border);flex-shrink:0;opacity:.45;}
.vp-status .sb-unit{position:relative;display:flex;align-items:center;flex-shrink:0;}
.sb-unit-btn{
  display:flex;align-items:center;gap:4px;border:none;background:none;
  color:var(--text-secondary);font-size:11px;font-weight:500;cursor:pointer;
  padding:2px 4px;font-family:inherit;border-radius:var(--r-sm);transition:var(--tr);
}
.sb-unit-btn:hover{color:var(--text);background:var(--bg);}
.sb-unit-btn svg{opacity:.55;flex-shrink:0;}
.sb-unit-menu{
  display:none;position:absolute;bottom:100%;left:0;margin-bottom:4px;z-index:100;
  background:var(--surface-raised);border:1px solid var(--border);border-radius:var(--r-sm);
  box-shadow:0 4px 12px rgba(0,0,0,.15);min-width:110px;padding:4px 0;
}
.sb-unit-menu.open{display:block;}
/* .sb-unit-item base → components.css; overrides here */
.sb-unit-item{padding:6px 12px;font-size:12px;}
.vp-status .sb-dims{color:var(--text-secondary);font-variant-numeric:tabular-nums;}
.vp-status .sb-stat{color:var(--text-muted);font-variant-numeric:tabular-nums;}
.vp-status .sb-stat-label{color:var(--text-faint);}
.vp-status .sb-zoom-btn{
  background:none;border:none;padding:0;margin:0;cursor:pointer;
  color:var(--text-muted);font:inherit;font-variant-numeric:tabular-nums;font-size:11px;
  border-radius:3px;transition:var(--tr);
}
.vp-status .sb-zoom-btn:hover{color:var(--primary);background:var(--primary-bg);}

/* ── Viewport mode switch — now in topbar (see topbar.css) ── */

/* (Viewport mode switch now in toolbar — see .vp-mode-switch above) */

/* ── Canvas wrapper (2D / 3D / Split) ── */
.vp-canvas-wrap{
  flex:1;display:flex;position:relative;overflow:hidden;
}
/* Canvas-level visibility no longer needed — handled by column visibility above */

/* ── 2D viewport ── */
.vp2d-canvas{
  flex:1;position:relative;overflow:hidden;
  background:repeating-conic-gradient(#d8dbe2 0% 25%, #eef0f4 0% 50%) 0 0 / 16px 16px;
}

/* ── Ruler strips ── */
.vp2d-ruler-corner{
  position:absolute;top:0;left:0;width:20px;height:20px;z-index:12;
  background:var(--bg-raised,#f0f2f5);
  border-right:1px solid rgba(0,0,0,.14);border-bottom:1px solid rgba(0,0,0,.14);
}
.vp2d-ruler-h{
  position:absolute;top:0;left:20px;height:20px;width:calc(100% - 20px);z-index:11;
  display:block;background:var(--bg-raised,#f0f2f5);
}
.vp2d-ruler-v{
  position:absolute;top:20px;left:0;width:20px;height:calc(100% - 20px);z-index:11;
  display:block;background:var(--bg-raised,#f0f2f5);
}
/* Cursor crosshair on ruler */
.vp2d-ruler-cursor-h{
  position:absolute;top:0;height:20px;width:1px;z-index:13;
  background:var(--primary,#0ea5e9);pointer-events:none;display:none;
}
.vp2d-ruler-cursor-v{
  position:absolute;left:0;width:20px;height:1px;z-index:13;
  background:var(--primary,#0ea5e9);pointer-events:none;display:none;
}

/* SVG layout viewport */
.vp2d-svg-wrap{
  position:absolute;top:20px;left:20px;width:calc(100% - 20px);height:calc(100% - 20px);
  overflow:hidden;cursor:default;
}
.vp2d-svg-inner{
  position:absolute;top:0;left:0;transform-origin:0 0;
}
.vp2d-svg-inner svg{display:block;position:relative;z-index:1;}
.vp2d-svg-inner .svg-highlight{
  outline:2px solid var(--primary);outline-offset:-1px;
  opacity:1 !important;
}
.vp2d-svg-inner .svg-dimmed{opacity:0.25;}

/* Artboard border — behind SVG content */
.vp2d-artboard{
  position:absolute;top:0;left:0;pointer-events:none;z-index:0;
  box-shadow:0 2px 12px rgba(0,0,0,.12);
  background:#fff;
}
.vp2d-artboard-border{
  position:absolute;top:0;left:0;width:100%;height:100%;
  border:1px solid var(--border);pointer-events:none;box-sizing:border-box;
}
.vp2d-artboard-label{
  position:absolute;bottom:-20px;left:0;font-size:10px;color:var(--text-muted);
  white-space:nowrap;letter-spacing:.3px;
}

/* Panning cursor */
.vp2d-svg-wrap.panning{cursor:grabbing;}

/* ── Transform bounding box overlay ── */
.vp2d-xform{
  position:absolute;pointer-events:none;transform-origin:center center;
}
.vp2d-xform-border{
  position:absolute;top:0;left:0;width:100%;height:100%;
  border:2px solid var(--primary);box-sizing:border-box;pointer-events:none;
}
/* Corner resize handles */
.vp2d-xform-handle{
  position:absolute;width:9px;height:9px;background:#fff;border:2px solid var(--primary);
  box-sizing:border-box;pointer-events:all;cursor:nwse-resize;z-index:2;
  border-radius:1px;
}
.vp2d-xform-handle.tl{top:-4px;left:-4px;cursor:nwse-resize;}
.vp2d-xform-handle.tr{top:-4px;right:-4px;cursor:nesw-resize;}
.vp2d-xform-handle.bl{bottom:-4px;left:-4px;cursor:nesw-resize;}
.vp2d-xform-handle.br{bottom:-4px;right:-4px;cursor:nwse-resize;}
/* Edge resize handles */
.vp2d-xform-handle.tm{top:-4px;left:50%;margin-left:-4px;cursor:ns-resize;}
.vp2d-xform-handle.bm{bottom:-4px;left:50%;margin-left:-4px;cursor:ns-resize;}
.vp2d-xform-handle.ml{top:50%;margin-top:-4px;left:-4px;cursor:ew-resize;}
.vp2d-xform-handle.mr{top:50%;margin-top:-4px;right:-4px;cursor:ew-resize;}
/* Rotate handles — one at each corner, with a curved-arrow SVG icon */
.vp2d-xform-rotate{
  position:absolute;width:20px;height:20px;
  pointer-events:all;cursor:grab;z-index:3;
  display:grid;place-items:center;
  color:var(--primary);
  filter:drop-shadow(0 1px 2px rgba(0,0,0,.25));
}
.vp2d-xform-rotate svg{width:13px;height:13px;display:block;}
.vp2d-xform-rotate.tl{top:-30px;left:-30px;}
.vp2d-xform-rotate.tr{top:-30px;right:-30px;}
.vp2d-xform-rotate.bl{bottom:-30px;left:-30px;}
.vp2d-xform-rotate.br{bottom:-30px;right:-30px;}
.vp2d-xform-rotate-line{
  /* deprecated — hidden because rotate handle is now corner-anchored */
  display:none;
}
/* Move area (the whole bbox interior) */
.vp2d-xform-move{
  position:absolute;top:0;left:0;width:100%;height:100%;
  pointer-events:all;cursor:move;
}
/* Locked elements — highlight only, no handles */
.vp2d-xform.locked .vp2d-xform-handle,
.vp2d-xform.locked .vp2d-xform-rotate,
.vp2d-xform.locked .vp2d-xform-rotate-line,
.vp2d-xform.locked .vp2d-xform-move{display:none;}
.vp2d-xform.locked .vp2d-xform-border{
  border-color:var(--primary);border-style:dashed;
}
/* PA REF elements — move & rotate only, no scale handles */
.vp2d-xform.pa-ref-only .vp2d-xform-handle{display:none;}

/* PA user-created group bounding box — show border only, no interactive handles */
.vp2d-xform.pa-group-bbox .vp2d-xform-handle,
.vp2d-xform.pa-group-bbox .vp2d-xform-rotate,
.vp2d-xform.pa-group-bbox .vp2d-xform-rotate-line,
.vp2d-xform.pa-group-bbox .vp2d-xform-move{display:none;}
.vp2d-xform.pa-group-bbox .vp2d-xform-border{
  border-color:var(--primary);border-style:dashed;opacity:0.7;
}

/* ── Viewport overlay buttons ── */
.vpo-btn{
  width:30px;height:30px;border:none;
  background:rgba(255,255,255,.75);backdrop-filter:blur(6px);
  border-radius:var(--r-sm);cursor:pointer;
  color:var(--text-muted);display:grid;place-items:center;
  transition:background .15s,color .15s;
  box-shadow:0 1px 3px rgba(0,0,0,.08);
}
.vpo-btn.vpo-round{width:32px;height:32px;border-radius:50%;}
.vpo-btn:hover{background:rgba(255,255,255,.95);color:var(--text);}
.vpo-btn.active,.vpo-btn.vpo-toggle.active{color:var(--text-secondary);background:rgba(255,255,255,.85);}
.vpo-btn.vpo-toggle:not(.active){color:var(--text-faint);opacity:.55;}
.vpo-btn.vpo-toggle:not(.active):hover{opacity:1;color:var(--text-muted);}
.vpo-btn svg{width:15px;height:15px;}
.vpo-stack{
  display:flex;flex-direction:column;gap:6px;align-items:center;
}
.vpo-stack .vpo-btn{width:28px;height:28px;}
.vpo-stack .vpo-btn svg{width:13px;height:13px;}
.vpo-controls{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;}
.vpo-controls > *{pointer-events:auto;}

/* ── Text-edit mode: selection & cursor ── */
.text-edit-sel-rect{fill:rgba(66,133,244,.35);pointer-events:none;}
.text-edit-cursor{stroke:var(--primary,#3b82f6);stroke-width:1.5;pointer-events:none;}
.vp2d-xform.text-edit .vp2d-xform-border{border-color:#3b82f6;border-style:dashed;}
.vp2d-xform.text-edit .vp2d-xform-move{cursor:text;}