#sapp-planner-root{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;position:relative}
.sapp-toolbar{display:grid;grid-template-columns:1fr auto;align-items:end;gap:12px 16px;margin-bottom:12px}
.sapp-dims{display:grid;grid-template-columns:repeat(2,minmax(180px,1fr)) auto;gap:8px 12px}
.sapp-dims label{display:flex;flex-direction:column;gap:4px;margin:0}
.sapp-actions{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}
.sapp-layout{display:grid;grid-template-columns:280px 1fr 260px;gap:12px;min-height:600px;margin-top:4px}
.sapp-palette{border:1px solid #e2e8f0;border-radius:10px;padding:10px;background:#fff}
.sapp-canvas-wrap{border:1px dashed #cbd5e0;border-radius:10px;background:#fff;display:flex;align-items:flex-start;justify-content:flex-start;overflow:auto;position:relative}
.sapp-inspector{border:1px solid #e2e8f0;border-radius:10px;padding:10px;background:#fff}
.sapp-palette-list{list-style:none;padding:0;margin:0;max-height:70vh;overflow:auto}
.sapp-fixture-btn{width:100%;text-align:left;display:block;border:1px solid #e2e8f0;border-radius:8px;padding:8px;background:#f8fafc;cursor:pointer}
.sapp-fixture-btn:hover{background:#edf2f7}
.sapp-fixture-name{font-weight:700}
.sapp-fixture-meta,.sapp-fixture-cat{font-size:12px;color:#4a5568}
.sapp-footer{margin-top:8px;color:#4a5568}
.sapp-toast-host{position:absolute;top:6px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;gap:8px;z-index:10000}
.sapp-toast{background:#fff7ed;color:#7c2d12;border:1px solid #fed7aa;padding:8px 12px;border-radius:8px;box-shadow:0 4px 16px rgba(0,0,0,.08);transition:opacity .4s,transform .4s}
.sapp-toast.hide{opacity:0;transform:translateY(-6px)}
.sapp-3d-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);display:none;align-items:center;justify-content:center;z-index:9999}
.sapp-3d-modal{width:min(1100px,92vw);height:min(720px,86vh);background:#fff;border-radius:12px;border:1px solid #e2e8f0;display:flex;flex-direction:column;overflow:hidden}
.sapp-3d-header{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-bottom:1px solid #e2e8f0;background:#f8fafc}
.sapp-3d-controls{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.sapp-3d-toggle{font-size:12px;color:#334155;margin-right:auto;display:flex;align-items:center;gap:6px}
.sapp-3d-mount{flex:1;position:relative}
.sapp-inspector-img{width:86px;height:86px;object-fit:cover;border-radius:10px;border:1px solid #e2e8f0;margin-bottom:6px;background:#fff}

 /* Rulers */
.sapp-ruler-x{position:sticky;top:0;left:0;height:24px;width:100%;background:#f8fafc;border-bottom:1px solid #e2e8f0;z-index:20;pointer-events:none}
.sapp-ruler-y{position:sticky;top:0;left:0;width:28px;height:100%;background:#f8fafc;border-right:1px solid #e2e8f0;z-index:20;pointer-events:none}
.sapp-ruler-corner{position:sticky;top:0;left:0;width:28px;height:24px;background:#f8fafc;border-right:1px solid #e2e8f0;border-bottom:1px solid #e2e8f0;z-index:21;pointer-events:none}
.sapp-ruler-x-labels{position:relative;height:100%}
.sapp-ruler-y-labels{position:relative;width:100%;height:100%}
.sapp-ruler-x-labels span{position:absolute;top:2px;font-size:10px;color:#475569;transform:translateX(-50%);white-space:nowrap}
.sapp-ruler-y-labels span{position:absolute;left:2px;font-size:10px;color:#475569;transform:translateY(-50%);white-space:nowrap}

@media (max-width:900px){.sapp-toolbar{grid-template-columns:1fr}.sapp-actions{justify-content:flex-start}.sapp-layout{grid-template-columns:1fr}}