:root{--ink:#17212b;--muted:#687480;--line:#d8dee4;--panel:#f5f7f8;--paper:#fff;--charcoal:#202a31;--blue:#176b87;--blue2:#2e8ead;--amber:#c47b22;--amber-bg:#fff6e8;--red:#ad3f3f;--red-bg:#fff0ef;--green:#307560;--shadow:0 12px 32px rgba(23,33,43,.10);font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--ink);background:#e9edef;font-synthesis:none}
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#e9edf0;cursor:pointer}.opening-row:last-child{border-bottom:0}.opening-row:hover,.opening-row.active{background:#edf6f8}.opening-row strong{font-size:13px}.opening-row span{font-size:11px;color:var(--muted);display:block;margin-top:3px}.opening-row button{border:0;background:none;color:#8a959d;cursor:pointer}.opening-editor{margin-top:14px;padding:13px;border:1px solid var(--line);border-radius:7px;background:#fafbfb}.opening-editor.empty{color:var(--muted);font-size:13px}.editor-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}.editor-actions{display:flex;justify-content:flex-end;margin-top:10px}.delete-button{color:var(--red);background:none;border:0;font-size:12px;cursor:pointer}.canvas-panel{display:flex;flex-direction:column;background:#f2f4f5}.canvas-toolbar{height:50px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 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:where(.topbar) .support-button:hover{color:#fff;background:#225345;border-color:#75c6ae;box-shadow:0 0 18px rgba(117,198,174,.2)}
:where(.topbar) .support-button:focus-visible{outline:2px solid #b9f1df;outline-offset:2px}
.support-icon{width:17px;height:17px;fill:#75c6ae;flex:0 0 auto}