.pt-wrap{flex-direction:column;gap:12px;display:flex}.pt-tools{flex-wrap:wrap;gap:6px;display:flex}.pt-tools .btn{min-height:40px}.pt-dot{border-radius:50%;width:10px;height:10px;display:inline-block}.pt-proton{background:#ff5a5f}.pt-neutron{background:#a7b0be}.pt-electron{background:#5cc8ff}.pt-elements{grid-template-columns:repeat(10,minmax(0,1fr));gap:4px;display:grid}.pt-el{border:1.5px solid var(--line);border-radius:var(--radius);background:var(--surface);min-height:44px;color:var(--ink);cursor:pointer;flex-direction:column;align-items:center;padding:4px 0;line-height:1.1;display:flex}.pt-el small{font-family:var(--f-mono);color:var(--muted);font-size:9px}.pt-el b{font-size:15px}.pt-el.on{border-color:var(--accent);background:var(--accent);color:var(--accent-ink)}.pt-el.on small{color:inherit}.pt-stage{width:100%;position:relative}.pt-canvas{border-radius:var(--radius);border:2px solid var(--ink);background:var(--board);touch-action:none;cursor:crosshair;width:100%;height:420px;display:block}.pt-canvas.pt-move-tool{cursor:grab}.pt-paused{font-family:var(--f-mono);background:var(--surface);color:var(--ink);pointer-events:none;border-radius:999px;padding:4px 12px;font-size:12px;position:absolute;top:10px;left:50%;transform:translate(-50%)}.pt-controls{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px 16px;display:flex}.pt-temp{flex-direction:column;flex:260px;gap:4px;display:flex}.pt-temp input{width:100%;accent-color:var(--accent);min-height:28px}.pt-quick{flex-wrap:wrap;gap:4px;display:flex}.pt-panels{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px;display:grid}.pt-panel{flex-direction:column;gap:8px;min-width:0;display:flex}.pt-panel h2,.pt-panel p{margin:0}.pt-muted{color:var(--muted);font-size:13px}.pt-presets{flex-direction:column;gap:6px;display:flex}.pt-preset{text-align:left;border:1.5px solid var(--line);border-radius:var(--radius);background:var(--surface);color:var(--ink);cursor:pointer;flex-direction:column;gap:2px;padding:8px 10px;display:flex}.pt-preset span{color:var(--muted);font-size:13px}.pt-preset.on{border-color:var(--accent)}.pt-census,.pt-log,.pt-chips{flex-direction:column;gap:4px;margin:0;padding:0;list-style:none;display:flex}.pt-census li{border-bottom:1px solid var(--line);justify-content:space-between;gap:10px;padding-bottom:3px;font-size:14px;display:flex}.pt-census b{font-family:var(--f-mono)}.pt-log li{border-left:3px solid var(--line);padding-left:8px;font-size:13px}.pt-log li.pt-fusion{border-left-color:var(--sun)}.pt-log li.pt-decay{border-left-color:var(--bad)}.pt-log li.pt-chem{border-left-color:var(--good)}.pt-log li.pt-atom{border-left-color:var(--info)}.pt-sel{flex-direction:column;align-items:flex-start;gap:6px;font-size:14px;display:flex}.pt-found{font-size:14px}.pt-chips{flex-flow:wrap}@media (max-width:560px){.pt-elements{grid-template-columns:repeat(5,minmax(0,1fr))}.pt-tools .btn{flex:auto;padding:7px 8px}}