/* Minimal + responsive full-width */
.pc-wrap{ width:100%; max-width:100%; box-sizing:border-box; margin:16px 0; }
.pc-row{ display:grid; grid-template-columns:minmax(520px, 1fr) minmax(280px, 420px); gap:16px; }
@media (max-width: 1200px){ .pc-row{ grid-template-columns:1fr; } }
.pc-canvas-wrap{ overflow:auto; max-width:100%; border:1px dashed #cbd5e1; background:#fff; }
#pc-canvas{ max-width:100%; height:auto; display:block; }
.pc-controls label { display:block; font-weight:600; margin:6px 0 2px; }
.pc-controls input, .pc-controls select, .pc-controls button { width:100%; padding:8px; }
.pc-toolbar { display:flex; gap:8px; margin:8px 0; flex-wrap:wrap; }
.pc-price { font-size:1.1em; font-weight:700; }
.pc-note { font-size:.85em; color:#475569; }