.vpa-tool{margin:32px 0;padding:28px;border:1px solid var(--border-color,#333);border-radius:20px;background:var(--card-bg,#1e1e1e);color:var(--text-color,#fff);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}.vpa-tool h2{margin-top:0}.vpa-tool p{line-height:1.7}.vpa-tool .vpa-note{color:var(--text-secondary,#aaa);font-size:.92rem}.vpa-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:22px 0}.vpa-tool button{appearance:none;-webkit-appearance:none;font:inherit;font-weight:700;background:#00ff00;color:#000;border:1px solid #00ff00;border-radius:12px;min-height:48px;padding:12px 16px;cursor:pointer;white-space:normal;text-align:left}.vpa-tool button:hover{filter:brightness(.93)}.vpa-tool button[aria-pressed=true]{outline:3px solid var(--text-color,#fff);outline-offset:3px}.vpa-tool button:focus-visible,.vpa-tool input:focus-visible{outline:3px solid var(--text-light);outline-offset:4px}.vpa-tool button:disabled,.vpa-tool input:disabled{opacity:.65;cursor:default}.vpa-volume{margin:24px 0}.vpa-volume label{display:flex;justify-content:space-between;gap:15px;font-weight:700}.vpa-volume output{font-variant-numeric:tabular-nums}.vpa-tool input[type=range]{appearance:none;-webkit-appearance:none;display:block;width:100%;height:40px;background:transparent;cursor:pointer;margin:12px 0}.vpa-tool input[type=range]::-webkit-slider-runnable-track{height:8px;background:#666;border-radius:5px}.vpa-tool input[type=range]::-moz-range-track{height:8px;background:#666;border-radius:5px}.vpa-tool input[type=range]::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:24px;height:24px;border:2px solid #000;background:#00ff00;border-radius:50%;margin-top:-8px}.vpa-tool input[type=range]::-moz-range-thumb{width:20px;height:20px;border:2px solid #000;background:#00ff00;border-radius:50%}.vpa-tool #vpa-result{padding:22px;border-radius:14px;background:var(--bg-color,#121212);border:1px solid var(--border-color,#333)}.vpa-tool #vpa-result h3{color:var(--text-color,#fff);margin-top:0}.vpa-tool #vpa-track{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.vpa-tool .vpa-pulse{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:8px 12px;border:1px solid #777;border-radius:9px;font-size:.85rem;font-weight:700}.vpa-tool .vpa-long{flex-grow:1;background:#00ff00;color:#000;border-color:#00ff00}.vpa-controls{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0}.vpa-tool #vpa-reset{background:transparent;color:var(--text-color,#fff);border-color:var(--text-secondary,#aaa)}.vpa-tool #vpa-status{min-height:3.4em;font-weight:600}.light-theme .vpa-tool button,.light-theme .vpa-tool .vpa-long{background:#00882a;color:#fff;border-color:#00882a}.light-theme .vpa-tool #vpa-reset{background:transparent;color:#1a1a2e;border-color:#666}.light-theme .vpa-tool input[type=range]::-webkit-slider-thumb{background:#00882a;border-color:#fff}.light-theme .vpa-tool input[type=range]::-moz-range-thumb{background:#00882a;border-color:#fff}.light-theme .vpa-tool{background:#fff;color:#1a1a2e}.light-theme .vpa-tool #vpa-result{background:#f4f4f0}.light-theme .vpa-tool #vpa-result h3{color:#1a1a2e}@media(max-width:600px){.vpa-tool{padding:18px;margin:24px 0}.vpa-actions{grid-template-columns:1fr}.vpa-controls{display:grid;grid-template-columns:1fr}.vpa-tool #vpa-result{padding:16px}}