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var(--ink);border-radius:0;background:var(--bg);color:var(--ink);padding:1px 8px;font-family:Arial,Helvetica,sans-serif;font-size:1rem;font-weight:700;line-height:1.2;cursor:pointer}.export-banner-close:hover{background:var(--ink);color:var(--bg)}.layout{flex:1;display:grid;grid-template-columns:minmax(0,1fr) minmax(460px,560px);min-height:0}.viewer-panel{display:flex;flex-direction:column;min-width:0;border-right:2px solid var(--ink);background:var(--bg-muted)}.viewer-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:8px 12px;background:var(--bg);border-bottom:2px solid var(--ink);font-family:Arial,Helvetica,sans-serif}.viewer-toolbar .tool-group{display:flex;align-items:center;gap:4px}.viewer-toolbar .tool-sep{width:2px;height:22px;background:var(--ink);margin:0 2px}.viewer-toolbar button{border:2px solid var(--ink);background:var(--bg);color:var(--ink);border-radius:0;padding:4px 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