*{box-sizing:border-box}html,body,#root{height:100%;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:#222;background:#fff}.app{display:flex;flex-direction:column;height:100%}.app-header{padding:12px 20px;border-bottom:1px solid #e0e0e0;display:flex;align-items:center;gap:24px}.app-header h1{margin:0;font-size:18px;font-weight:600}.controls{display:flex;align-items:center;gap:16px;flex:1}.controls-selects,.controls-actions{display:flex;align-items:center;gap:16px}.controls label{font-size:14px}.aspect-control{display:flex;align-items:center;gap:6px;white-space:nowrap}.aspect-control input[type=range]{width:110px}.aspect-control input[type=number]{width:62px}.controls select,.controls button,.controls input[type=number]{font-size:14px;padding:4px 10px;border:1px solid #bdbdbd;border-radius:4px;background:#fff}.controls select,.controls button{cursor:pointer}.controls button:hover{background:#f0f0f0}.app-main{flex:1;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1.1fr) minmax(320px,.8fr);gap:16px;padding:16px;overflow:hidden}.app-main.catalog-collapsed{grid-template-columns:minmax(0,1fr) minmax(0,1fr) auto}.catalog-pane h2{display:flex;align-items:center;gap:8px}.app-main.catalog-collapsed .catalog-pane h2 span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.catalog-toggle{border:1px solid #bdbdbd;border-radius:4px;background:#fff;cursor:pointer;font-size:14px;line-height:1;padding:2px 8px;color:#555}.catalog-toggle:hover{background:#f0f0f0}.pane{display:flex;flex-direction:column;min-height:0}.pane h2{margin:0 0 4px;font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:#555}.hint{margin:0 0 8px;font-size:12px;color:#777;line-height:1.4}.canvas-frame{flex:1;border:1px solid #e0e0e0;border-radius:4px;overflow:hidden;min-height:0}.canvas-frame svg{display:block}.symmetry-catalog{flex:1;min-height:0;display:flex;flex-direction:column;border:1px solid #e0e0e0;border-radius:4px;overflow:hidden;background:#fff}.catalog-summary{display:flex;justify-content:space-between;gap:12px;padding:8px 10px;border-bottom:1px solid #e0e0e0;background:#f7f7f7;font-size:12px;color:#555}.catalog-table-wrap{flex:1;min-height:0;overflow:auto}.catalog-table{width:100%;border-collapse:collapse;font-size:12px}.catalog-table th,.catalog-table td{padding:6px 8px;border-bottom:1px solid #eeeeee;text-align:left;vertical-align:top}.catalog-table th{position:sticky;top:0;z-index:1;background:#fff;color:#555;font-weight:600;white-space:nowrap}.catalog-table td:nth-child(2),.catalog-table td:nth-child(3),.catalog-table td:nth-child(4){white-space:nowrap}.catalog-row-gap{color:#777}.catalog-row-supported{background:#f8fbff;color:#222}.catalog-row-active{outline:2px solid #1976d2;outline-offset:-2px}.catalog-name{display:flex;flex-direction:column;gap:2px}.catalog-variant{color:#616161;font-size:11px;line-height:1.2}.catalog-actions{display:flex;flex-wrap:wrap;gap:4px}.catalog-actions button{border:1px solid #bdbdbd;border-radius:4px;background:#fff;color:#222;cursor:pointer;font-size:12px;line-height:1.2;padding:3px 7px;max-width:130px;white-space:nowrap}.catalog-actions button:hover{background:#f0f0f0}.catalog-actions button.active{border-color:#1976d2;background:#1976d2;color:#fff}.attribution{position:fixed;bottom:6px;right:10px;font-size:11px;color:#999;text-decoration:none;z-index:100}.attribution:hover{color:#555;text-decoration:underline}@media (max-width: 768px){html,body,#root,.app{height:auto;min-height:100%}.app-header{flex-wrap:wrap}.controls{flex-direction:column;align-items:stretch;gap:8px;width:100%}.controls-selects,.controls-actions{flex-wrap:wrap}.app-main{grid-template-columns:1fr;overflow:visible}.pane{min-height:0}.canvas-frame{flex:none;height:clamp(360px,68vh,760px);min-height:0}.catalog-pane{min-height:70vh}.catalog-pane .symmetry-catalog{flex:none;height:70vh}}