/*! Vocal Range Finder Tools | Astra-compatible scoped styles | GPL-2.0-or-later */
.vrtx-tool{--vrtx-ink:#172d25;--vrtx-muted:#53665c;--vrtx-green:#086b54;--vrtx-green-dark:#044b3a;--vrtx-accent:#a44e2d;--vrtx-line:#d8e3dc;--vrtx-soft:#edf4ef;--vrtx-paper:#fff;box-sizing:border-box;width:100%;max-width:1080px;margin:0 auto 32px;padding:clamp(16px,3vw,30px);border:1px solid var(--vrtx-line);border-radius:24px;background:#f6f9f6;color:var(--vrtx-ink);font:16px/1.5 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;text-align:left;isolation:isolate;overflow-wrap:anywhere}
.vrtx-tool *,.vrtx-tool *::before,.vrtx-tool *::after{box-sizing:border-box}
.vrtx-tool [hidden]{display:none!important}
.vrtx-tool .vrtx-header{display:block;width:100%;margin:0 0 24px;padding:0;border:0;background:none;text-align:center}
.vrtx-tool .vrtx-eyebrow{display:block;margin:0 0 7px;color:var(--vrtx-green);font-size:11px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}
.vrtx-tool .vrtx-header h2{width:100%;margin:0;padding:0;color:var(--vrtx-ink);font:650 clamp(24px,3.4vw,34px)/1.13 Georgia,"Times New Roman",serif;letter-spacing:-.03em;text-align:center}
.vrtx-tool .vrtx-mode-switch{display:flex;gap:5px;margin:0 0 18px;padding:5px;border:1px solid var(--vrtx-line);border-radius:14px;background:#e9efea;max-width:650px}
.vrtx-tool button{appearance:none;-webkit-appearance:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;max-width:100%;height:auto;margin:0;padding:11px 18px;border:1px solid transparent;border-radius:10px;box-shadow:none;cursor:pointer;font:650 14px/1.25 system-ui,-apple-system,"Segoe UI",sans-serif;letter-spacing:normal;text-transform:none;text-decoration:none;white-space:normal;transition:background-color .15s,border-color .15s,color .15s;touch-action:manipulation}
.vrtx-tool button:disabled{opacity:.48;cursor:not-allowed}
.vrtx-tool button:focus-visible,.vrtx-tool input:focus-visible,.vrtx-tool select:focus-visible,.vrtx-tool summary:focus-visible{outline:3px solid #a44e2d;outline-offset:3px;box-shadow:none}
.vrtx-tool .vrtx-mode-switch button{flex:1;min-width:0;padding:10px 12px;background:transparent;color:#405c4d}
.vrtx-tool .vrtx-mode-switch button:hover{background:#dce8de;color:var(--vrtx-ink)}
.vrtx-tool .vrtx-mode-switch button[aria-pressed=true]{background:#fff;color:var(--vrtx-green-dark);box-shadow:0 1px 4px #16362612;border-color:#d4e2d7}
.vrtx-tool .vrtx-mode-small{max-width:470px}
.vrtx-tool .vrtx-panel{min-width:0;padding:22px;border:1px solid var(--vrtx-line);border-radius:18px;background:var(--vrtx-paper)}
.vrtx-tool .vrtx-panel-caption{display:flex;align-items:center;gap:9px;margin:0 0 20px;color:var(--vrtx-muted);font-size:12px;font-weight:750;letter-spacing:.025em}
.vrtx-tool .vrtx-step-dot{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;background:var(--vrtx-soft);color:var(--vrtx-green);font-size:10px}
.vrtx-tool .vrtx-calculator,.vrtx-tool .vrtx-live-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.92fr);gap:16px;margin:0}
.vrtx-tool .vrtx-calculator{align-items:stretch}
.vrtx-tool .vrtx-answer-panel{background:linear-gradient(160deg,#eaf3ed,#f5f8f1);border-color:#c5d9cc}
.vrtx-tool .vrtx-grid-two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px}
.vrtx-tool .vrtx-pitch-pair{display:grid;grid-template-columns:minmax(0,1fr) 44px minmax(0,1fr);gap:9px;align-items:end}
.vrtx-tool .vrtx-field{display:flex;flex-direction:column;gap:7px;min-width:0;margin:0 0 12px;color:var(--vrtx-ink);font-size:12px;font-weight:650}
.vrtx-tool .vrtx-field span{color:inherit}
.vrtx-tool input[type=number],.vrtx-tool select{appearance:auto;-webkit-appearance:auto;display:block;width:100%;max-width:100%;min-width:0;min-height:48px;height:auto;margin:0;padding:11px 12px;border:1px solid #b8cabe;border-radius:9px;background:#fff;color:var(--vrtx-ink);box-shadow:none;font:500 16px/1.3 system-ui,-apple-system,"Segoe UI",sans-serif;letter-spacing:normal}
.vrtx-tool select{padding-right:26px}
.vrtx-tool input[aria-invalid=true],.vrtx-tool select[aria-invalid=true]{border:2px solid #b23e32}
.vrtx-tool input[type=range]{display:block;width:100%;min-width:0;min-height:44px;margin:0;padding:0;accent-color:var(--vrtx-green);background:transparent;cursor:pointer}
.vrtx-tool .vrtx-checkbox{display:flex;gap:10px;align-items:center;min-height:44px;margin:10px 0;font-size:12px;font-weight:500;color:var(--vrtx-muted);cursor:pointer}
.vrtx-tool input[type=checkbox]{appearance:auto;-webkit-appearance:checkbox;flex-shrink:0;width:18px;height:18px;margin:0;accent-color:var(--vrtx-green)}
.vrtx-tool .vrtx-actions{display:flex;flex-wrap:wrap;align-items:center;gap:9px;margin:16px 0 0}
.vrtx-tool .vrtx-primary{border-color:var(--vrtx-green);background:var(--vrtx-green);color:#fff}
.vrtx-tool .vrtx-primary:hover,.vrtx-tool .vrtx-primary:focus{border-color:var(--vrtx-green-dark);background:var(--vrtx-green-dark);color:#fff}
.vrtx-tool .vrtx-secondary{border-color:#bfd0c4;background:#fff;color:var(--vrtx-green-dark)}
.vrtx-tool .vrtx-secondary:hover,.vrtx-tool .vrtx-secondary:focus{border-color:#8caf99;background:#eaf3ec;color:var(--vrtx-green-dark)}
.vrtx-tool .vrtx-text{padding:10px 12px;border-color:transparent;background:transparent;color:var(--vrtx-green-dark)}
.vrtx-tool .vrtx-text:hover,.vrtx-tool .vrtx-text:focus{background:#e8f0e9;color:var(--vrtx-green-dark)}
.vrtx-tool .vrtx-swap{width:44px;min-height:48px;margin-bottom:12px;padding:9px;background:transparent;color:var(--vrtx-green);font-size:24px}
.vrtx-tool .vrtx-swap:hover{background:var(--vrtx-soft);color:var(--vrtx-green-dark)}
.vrtx-tool .vrtx-capture{width:100%;border-color:#c4d9cb;background:#e7f0e9;color:var(--vrtx-green-dark)}
.vrtx-tool .vrtx-capture:hover{background:#d4e6d9;color:var(--vrtx-green-dark)}
.vrtx-tool .vrtx-small{margin:12px 0 0;color:var(--vrtx-muted);font-size:11.5px;font-weight:400;line-height:1.65}
.vrtx-tool .vrtx-answer-number{margin:4px 0 0;color:var(--vrtx-green-dark);font-size:clamp(50px,7vw,74px);font-weight:650;line-height:1.06;letter-spacing:-.065em;font-variant-numeric:tabular-nums}
.vrtx-tool .vrtx-answer-unit{margin:4px 0;color:var(--vrtx-green-dark);font-size:13px;font-weight:650}
.vrtx-tool .vrtx-interval-line{margin:13px 0 0;font-size:16px;font-weight:600;color:var(--vrtx-ink)}
.vrtx-tool .vrtx-distance-track{display:flex;gap:4px;margin:18px 0 23px;height:7px}
.vrtx-tool .vrtx-distance-track span{flex:1;background:#c6dacf;border-radius:3px}
.vrtx-tool[data-calculated=true] .vrtx-distance-track span:nth-child(-n+7){background:#428a6d}
.vrtx-tool .vrtx-metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 13px;margin:20px 0 0}
.vrtx-tool .vrtx-metrics-three{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.vrtx-tool .vrtx-metrics-four{grid-template-columns:repeat(4,minmax(0,1fr))}
.vrtx-tool .vrtx-metric{min-width:0}
.vrtx-tool .vrtx-metric>span{display:block;margin:0 0 5px;color:var(--vrtx-muted);font-size:10.5px;font-weight:500;line-height:1.5}
.vrtx-tool .vrtx-metric strong{display:block;color:var(--vrtx-ink);font-size:17px;font-weight:650;line-height:1.35;font-variant-numeric:tabular-nums}
.vrtx-tool .vrtx-metric-main strong{font-size:31px;letter-spacing:-.04em}
.vrtx-tool .vrtx-frequency-pair{display:flex;justify-content:space-between;gap:8px;margin:22px 0 0;padding:14px 0;border-top:1px solid #ccddd1;font-size:11px;font-weight:650;color:var(--vrtx-green-dark)}
.vrtx-tool .vrtx-formula{margin:0;color:var(--vrtx-muted);font:11px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace;overflow-wrap:anywhere}
.vrtx-tool .vrtx-live-panel{text-align:center;background:linear-gradient(155deg,#fff 40%,#f0f6f0);position:relative}
.vrtx-tool .vrtx-live-top{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:20px}
.vrtx-tool .vrtx-live-state{color:var(--vrtx-muted);font-size:10px;font-weight:650}
.vrtx-tool[data-mic-state=running] .vrtx-live-state{color:var(--vrtx-green)}
.vrtx-tool .vrtx-level{display:block;width:64px;height:5px;border-radius:4px;background:#dde9df;overflow:hidden}
.vrtx-tool .vrtx-level>span{display:block;width:0;height:100%;background:#47896c;transition:width .12s}
.vrtx-tool .vrtx-note{min-height:84px;margin:0;font-size:82px;line-height:1;letter-spacing:-.06em;font-weight:650;color:var(--vrtx-ink);font-variant-numeric:tabular-nums}
.vrtx-tool[data-tuning=in] .vrtx-note{color:var(--vrtx-green)}
.vrtx-tool .vrtx-hz{min-height:24px;margin:9px 0 0;font-size:13px;font-weight:500;color:var(--vrtx-muted)}
.vrtx-tool .vrtx-tuning{max-width:360px;margin:25px auto 0}
.vrtx-tool .vrtx-meter{position:relative;height:10px;border-radius:5px;background:linear-gradient(90deg,#ecd8cd,#e7e7d4 35%,#d4e8d8 45%,#d4e8d8 55%,#e7e7d4 65%,#ecd8cd)}
.vrtx-tool .vrtx-in-zone{position:absolute;left:45%;width:10%;height:100%;border-radius:3px;background:#8bbb99}
.vrtx-tool .vrtx-meter-center{position:absolute;left:50%;top:-5px;width:1px;height:20px;background:#64816d}
.vrtx-tool .vrtx-needle{position:absolute;top:-7px;left:50%;width:5px;height:24px;border:1px solid #fff;border-radius:3px;background:#174e39;transform:translateX(-50%);transition:left .09s linear}
.vrtx-tool .vrtx-meter-labels{display:flex;justify-content:space-between;gap:6px;margin-top:12px;font-size:9px;color:var(--vrtx-muted)}
.vrtx-tool .vrtx-meter-labels strong{font-size:11px;font-weight:600;color:var(--vrtx-ink)}
.vrtx-tool .vrtx-main-controls{justify-content:center;margin-top:25px}
.vrtx-tool .vrtx-main-controls .vrtx-primary{flex:1;max-width:250px;min-height:50px}
.vrtx-tool .vrtx-live-hint{min-height:34px;margin:16px 0 0;color:var(--vrtx-muted);font-size:11px;line-height:1.6}
.vrtx-tool .vrtx-hold,.vrtx-tool .vrtx-timer{margin:17px 0 0;font-size:10px;color:var(--vrtx-muted)}
.vrtx-tool progress{appearance:none;-webkit-appearance:none;display:block;width:100%;height:5px;margin:9px 0 0;border:0;border-radius:5px;overflow:hidden;background:#dce8df;accent-color:var(--vrtx-green)}
.vrtx-tool progress::-webkit-progress-bar{background:#dce8df;border-radius:5px}.vrtx-tool progress::-webkit-progress-value{background:var(--vrtx-green);border-radius:5px}.vrtx-tool progress::-moz-progress-bar{background:var(--vrtx-green);border-radius:5px}
.vrtx-tool .vrtx-context-panel{background:#fdfefd}
.vrtx-tool .vrtx-context-panel .vrtx-panel-caption{margin-bottom:24px}
.vrtx-tool .vrtx-endpoints{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.vrtx-tool .vrtx-mini-keyboard{display:grid;grid-template-columns:repeat(73,minmax(0,1fr));height:75px;margin:24px 0 16px;border-bottom:1px solid var(--vrtx-line);overflow:hidden}
.vrtx-tool .vrtx-key{display:block;border:1px solid #d3ddd5;border-right:0;background:#fff;border-radius:0 0 2px 2px}
.vrtx-tool .vrtx-key.vrtx-black{height:66%;background:#718276;border-color:#5a7061}
.vrtx-tool .vrtx-key.is-in-range{background:#b7d9c4;border-color:#83b19a}.vrtx-tool .vrtx-key.vrtx-black.is-in-range{background:#1c7558;border-color:#0f6148}
.vrtx-tool .vrtx-best-note,.vrtx-tool .vrtx-target-note{margin:12px 0;color:var(--vrtx-green-dark);font-size:56px;font-weight:600;line-height:1;letter-spacing:-.05em}
.vrtx-tool .vrtx-target-note{font-size:32px;line-height:1.2}
.vrtx-tool .vrtx-note-log{display:flex;flex-wrap:wrap;gap:6px;min-height:40px;margin:23px 0}
.vrtx-tool .vrtx-note-log>span{align-self:flex-start;padding:5px 8px;border-radius:7px;background:#e8f1eb;color:var(--vrtx-green-dark);font-size:11px;font-weight:650}
.vrtx-tool .vrtx-steps{display:flex;justify-content:space-between;gap:6px;margin:0 0 18px;padding:0;list-style:none}
.vrtx-tool .vrtx-steps li{display:flex;align-items:center;gap:8px;margin:0;padding:0;color:var(--vrtx-muted);font-size:10px;line-height:1.3;list-style:none}
.vrtx-tool .vrtx-steps li>span{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:25px;height:25px;border:1px solid #ccdad0;border-radius:50%;background:#fff;font-weight:700}
.vrtx-tool .vrtx-steps li.is-current{color:var(--vrtx-green-dark);font-weight:700}.vrtx-tool .vrtx-steps li.is-current>span{border-color:var(--vrtx-green);background:var(--vrtx-green);color:#fff}
.vrtx-tool .vrtx-passage{padding:15px;border:1px solid #e2decf;border-radius:11px;background:#faf8f1}
.vrtx-tool .vrtx-passage .vrtx-eyebrow{color:#736139;font-size:9px}
.vrtx-tool .vrtx-passage p{margin:6px 0 0;color:#5d553f;font:14px/1.65 Georgia,"Times New Roman",serif}
.vrtx-tool .vrtx-graph-panel{margin-top:16px;padding:18px 18px 8px}
.vrtx-tool .vrtx-graph-heading{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:0 0 4px}
.vrtx-tool .vrtx-graph-heading .vrtx-panel-caption,.vrtx-tool .vrtx-graph-heading .vrtx-small{margin:0}
.vrtx-tool canvas[data-graph]{display:block;width:100%;height:210px;max-width:100%}
.vrtx-tool .vrtx-results{margin-top:18px;border-color:#accbb6;background:#f0f6ef}
.vrtx-tool .vrtx-result-heading{display:flex;justify-content:space-between;align-items:center;gap:16px}
.vrtx-tool .vrtx-result-title{color:var(--vrtx-green-dark);font-size:30px;line-height:1.25;letter-spacing:-.04em;font-weight:650}
.vrtx-tool .vrtx-result-origin{max-width:180px;color:var(--vrtx-muted);font-size:10px;text-align:right}
.vrtx-tool .vrtx-comparison-title{margin:22px 0 16px;font-size:13px;color:var(--vrtx-ink);font-weight:650}
.vrtx-tool .vrtx-type-row{display:grid;grid-template-columns:100px 65px minmax(30px,1fr) 84px;gap:12px;align-items:center;margin:9px 0;color:var(--vrtx-muted);font-size:10px}
.vrtx-tool .vrtx-type-row>span:first-child{color:var(--vrtx-ink);font-weight:600}
.vrtx-tool .vrtx-type-track{display:block;height:7px;border-radius:4px;background:#d9e6dc;overflow:hidden}
.vrtx-tool .vrtx-type-track>span{display:block;height:100%;background:#4f9975;border-radius:4px}
.vrtx-tool .vrtx-histogram{display:flex;align-items:flex-end;gap:5px;height:90px;margin:24px 0 18px;padding-bottom:3px;border-bottom:1px solid #bacfbe}
.vrtx-tool .vrtx-histogram>span{flex:1;border-radius:4px 4px 0 0;background:#448c68}
.vrtx-tool .vrtx-history p{margin:10px 0;padding:10px 0;border-top:1px solid var(--vrtx-line);font-size:11px;color:var(--vrtx-muted)}
.vrtx-tool .vrtx-preset-label{max-width:440px}
.vrtx-tool .vrtx-string-row{display:flex;gap:7px;flex-wrap:wrap;margin:0 0 16px}
.vrtx-tool .vrtx-string-button{min-width:48px;min-height:44px;padding:9px 13px;border:1px solid #c4d7c9;border-radius:999px;background:#fff;color:var(--vrtx-green-dark)}
.vrtx-tool .vrtx-string-button[aria-pressed=true],.vrtx-tool .vrtx-string-button:hover{background:var(--vrtx-green-dark);border-color:var(--vrtx-green-dark);color:#fff}
.vrtx-tool .vrtx-bottom-actions{margin:18px 0}
.vrtx-tool .vrtx-settings{margin:20px 0 0;padding:0;border-top:1px solid var(--vrtx-line);border-bottom:1px solid var(--vrtx-line);background:transparent}
.vrtx-tool .vrtx-settings summary{min-height:48px;margin:0;padding:16px 0;color:var(--vrtx-green-dark);font-size:12px;font-weight:650;cursor:pointer}
.vrtx-tool .vrtx-settings-body{padding:0 0 18px}
.vrtx-tool .vrtx-status{min-height:20px;margin:16px 0 0;color:var(--vrtx-green-dark);font-size:11px;font-weight:500}
.vrtx-tool .vrtx-error,.vrtx-tool .vrtx-notice{margin:0 0 16px;padding:12px 15px;border:1px solid #e0b4aa;border-radius:10px;background:#fff0eb;color:#8a2e20;font-size:12px;line-height:1.6}
.vrtx-tool .vrtx-copy-buffer{position:fixed;left:-10000px;top:0;width:1px;height:1px}
.vrtx-tool .vrtx-field-action{display:flex;align-items:center}
@media(max-width:760px){.vrtx-tool .vrtx-calculator,.vrtx-tool .vrtx-live-layout{grid-template-columns:minmax(0,1fr)}.vrtx-tool .vrtx-context-panel .vrtx-panel-caption{margin-bottom:16px}.vrtx-tool .vrtx-metrics-four{grid-template-columns:repeat(2,minmax(0,1fr))}.vrtx-tool .vrtx-note{font-size:72px;min-height:74px}.vrtx-tool .vrtx-live-panel{padding:18px}.vrtx-tool .vrtx-context-panel{padding:18px}.vrtx-tool .vrtx-mini-keyboard{margin-top:18px;height:63px}.vrtx-tool .vrtx-graph-heading>.vrtx-small{font-size:9px}.vrtx-tool .vrtx-type-row{grid-template-columns:82px 54px minmax(25px,1fr) 72px;gap:6px;font-size:9px}.vrtx-tool .vrtx-result-title{font-size:25px}}
@media(max-width:420px){.vrtx-tool{padding:15px;border-radius:18px;font-size:15px}.vrtx-tool .vrtx-header{margin-bottom:18px}.vrtx-tool .vrtx-panel{padding:16px}.vrtx-tool .vrtx-mode-switch button{padding:10px 6px;font-size:11px}.vrtx-tool .vrtx-grid-two{gap:12px}.vrtx-tool .vrtx-pitch-pair{grid-template-columns:minmax(0,1fr) 34px minmax(0,1fr);gap:5px}.vrtx-tool .vrtx-swap{width:34px;padding:5px}.vrtx-tool .vrtx-field{font-size:10px}.vrtx-tool select,.vrtx-tool input[type=number]{padding:10px 8px;font-size:16px}.vrtx-tool .vrtx-actions{gap:6px}.vrtx-tool button{font-size:12px;padding:10px 12px}.vrtx-tool .vrtx-steps li{font-size:9px;gap:5px}.vrtx-tool .vrtx-result-heading{align-items:flex-start}.vrtx-tool .vrtx-result-origin{max-width:90px;font-size:9px}.vrtx-tool .vrtx-metrics-three{gap:6px}.vrtx-tool .vrtx-metrics-three .vrtx-metric strong{font-size:14px}.vrtx-tool .vrtx-type-row{grid-template-columns:76px 52px minmax(15px,1fr) 64px;gap:5px;font-size:8.5px}.vrtx-tool .vrtx-main-controls .vrtx-primary{min-width:0}.vrtx-tool .vrtx-frequency-pair{font-size:10px}}
.vrtx-tool .vrtx-small,.vrtx-tool .vrtx-status,.vrtx-tool .vrtx-live-hint,.vrtx-tool .vrtx-metric>span{font-size:12px}
@media(max-width:760px){.vrtx-tool .vrtx-graph-heading>.vrtx-small{font-size:11px}}
@media(max-width:600px){.vrtx-tool .vrtx-type-row{grid-template-columns:minmax(0,1fr) 96px;gap:5px 12px;margin:12px 0;font-size:12px}.vrtx-tool .vrtx-type-row>span:nth-child(2),.vrtx-tool .vrtx-type-row>span:nth-child(4){text-align:right}}
@media(max-width:420px){.vrtx-tool .vrtx-field{font-size:12px}.vrtx-tool button{font-size:13px}.vrtx-tool .vrtx-mode-switch button{font-size:12px}.vrtx-tool .vrtx-steps li{font-size:10px}.vrtx-tool .vrtx-result-origin{font-size:11px}}
@media(prefers-reduced-motion:reduce){.vrtx-tool *,.vrtx-tool *::before,.vrtx-tool *::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}}

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.vrta-tool .vrta-settings{margin-top:22px;border-top:1px solid var(--vrta-line);border-bottom:1px solid var(--vrta-line)}.vrta-tool summary{min-height:48px;padding:15px 0;color:#075440;font-size:12px;font-weight:650;cursor:pointer}.vrta-tool .vrta-settings-body{padding-bottom:20px}.vrta-tool .vrta-status{min-height:20px;margin-top:18px;color:#075440;font-size:12px}.vrta-tool .vrta-error{margin-bottom:16px;padding:13px 15px;border:1px solid #d9a596;border-radius:10px;background:#fff0e8;color:#843821;font-size:13px}.vrta-tool .vrta-copy-buffer{position:fixed;left:-9999px;top:0;width:1px;height:1px}
@media(max-width:760px){.vrta-tool .vrta-columns{grid-template-columns:minmax(0,1fr)}.vrta-tool .vrta-four{grid-template-columns:repeat(2,minmax(0,1fr))}.vrta-tool .vrta-note{font-size:72px;min-height:86px}.vrta-tool .vrta-panel{padding:18px}.vrta-tool .vrta-caption>span{float:none;display:block;margin-top:4px}.vrta-tool .vrta-metric>strong{font-size:19px}}
@media(max-width:420px){.vrta-tool{padding:15px;border-radius:18px}.vrta-tool .vrta-header{margin-bottom:18px}.vrta-tool .vrta-panel{padding:16px}.vrta-tool .vrta-grid-two{grid-template-columns:minmax(0,1fr)}.vrta-tool .vrta-metrics{gap:16px 12px}.vrta-tool button{padding:11px 12px}.vrta-tool .vrta-metric>strong{font-size:18px}.vrta-tool th,.vrta-tool td{padding:9px 8px}}
@media(prefers-reduced-motion:reduce){.vrta-tool *{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.vrtx-tool .vrtx-reference-row{display:grid;grid-template-columns:140px 90px 1fr auto;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid #d9e5de}
.vrtx-tool .vrtx-reference-map{display:flex;height:26px;gap:1px;min-width:0}.vrtx-reference-map>span{flex:1;background:#e7eee9}.vrtx-reference-map>span.is-filled{background:#087b65}
.vrtx-tool .vrtx-singer-list{margin:16px 0;padding-left:24px}.vrtx-singer-list li{padding:8px 0}.vrtx-tool .vrtx-singer-detail{padding:12px;background:#edf6f1;border-radius:10px;white-space:pre-line}
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.vrta-tool [data-frequency-chart] button{min-height:44px}.vrta-tool [data-frequency-chart]{font-variant-numeric:tabular-nums}.vrta-tool .vrta-table-wrap{max-height:420px}
.vrta-tool [data-staff]{display:block;width:100%;height:auto;max-height:150px;margin:15px 0}.vrta-tool .vrta-events{max-height:250px;overflow:auto;padding-left:24px}.vrta-tool .vrta-note-keys{display:flex;flex-wrap:wrap;gap:7px}.vrta-note-keys button[aria-pressed=true]{background:#087b65;color:#fff}
.vrtx-tool [data-tier-practice] progress,.vrta-tool progress{display:block;width:100%;height:12px;margin:16px 0}.vrtx-tool [hidden],.vrta-tool [hidden]{display:none!important}
.vrtx-tool [data-manual-map]{margin:16px 0}.vrtx-tool input[type=text]{min-height:48px;background:#fff;border:1px solid #b8cec2;border-radius:10px;width:100%;color:#173b2b;padding:12px}
[data-vrtx-tool=interval] [data-out=answer]{font-size:clamp(1.5rem,4vw,2.5rem);line-height:1.25;overflow-wrap:anywhere}
@media(max-width:680px){.vrtx-tool .vrtx-reference-row{grid-template-columns:1fr auto}.vrtx-reference-row .vrtx-reference-map{grid-column:1/-1}.vrtx-reference-row button{justify-self:start}.vrtx-tool th,.vrtx-tool td,.vrta-tool th,.vrta-tool td{padding:9px 6px}}

.vrta-tool .vrta-piano{display:flex;height:72px;border:1px solid #a4b6ae;border-radius:6px;overflow:hidden;margin:12px 0}.vrta-piano>.vrta-piano-key{flex:1;min-width:0;border-right:1px solid #d2dfd6;background:#fff}.vrta-piano>.vrta-piano-black{height:65%;background:#244236}.vrta-piano>.is-seen{background:#b1d8c1}.vrta-piano>.is-current{background:#087b65}

.vrtx-studio .vrtx-grid-two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.vrtx-studio .vrtx-field{margin:0 0 15px}.vrtx-studio input[type=range]{width:100%;min-height:44px;accent-color:#176341}.vrtx-studio .vrtx-actions{flex-wrap:wrap}.vrtx-studio .vrtx-button,.vrtx-answer-grid button{min-height:44px}.vrtx-beats{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.vrtx-beats span{width:30px;height:30px;background:#d8e7de;border-radius:50%}.vrtx-beats .is-active{background:#176341;outline:3px solid #9ac9aa}.vrtx-answer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:9px;margin:18px 0}.vrtx-answer-grid button{background:#eef5ef;color:#173b2b;border:1px solid #7d9f88;border-radius:8px;padding:10px;cursor:pointer}.vrtx-answer-grid button:disabled{opacity:.65;cursor:default}.vrtx-tool [data-routine] li{margin-bottom:15px}.vrtx-guided{background:#eef5ef;padding:18px;border-radius:12px;margin-top:18px}.vrtx-guided strong{display:block}.vrtx-studio progress{width:100%;accent-color:#176341}.vrtx-note-keyboard{display:grid;grid-template-columns:repeat(22,minmax(0,1fr));gap:2px;margin:20px 0}.vrtx-note-keyboard button{min-width:0;min-height:50px;padding:0;background:#fff;border:1px solid #789987;border-radius:0 0 3px 3px}.vrtx-note-keyboard button.is-black{background:#263e33}.vrtx-note-keyboard button[aria-pressed=true]{background:#d69f35;outline:2px solid #764d00;outline-offset:1px}.vrtx-studio [data-out=audio-detail]{display:block;margin-top:16px}.vrtx-tool [data-scale-results] ol,.vrta-tool [data-key-candidates]{padding-left:25px}.vrtx-tool [data-scale-results] li,.vrta-tool [data-key-candidates] li{margin:8px 0}.vrtx-studio button:focus-visible{outline:3px solid #995600;outline-offset:3px}.vrtx-studio :is(input,select){max-width:100%}.vrtx-studio [data-interval-stats]{margin-top:16px}.vrtx-studio [data-history]{padding-left:24px}.vrtx-tool,.vrta-tool{overflow-wrap:anywhere}.vrtx-header h2,.vrta-header h2{text-align:center!important}.vrtx-studio .vrtx-status{margin-top:20px}@media(max-width:600px){.vrtx-studio .vrtx-grid-two{grid-template-columns:1fr}.vrtx-note-keyboard{grid-template-columns:repeat(8,minmax(0,1fr))}.vrtx-note-keyboard button{min-height:44px}.vrtx-studio .vrtx-actions>*{flex:1 1 135px}.vrtx-answer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}

.vrtx-note-keyboard button{font-size:11px;line-height:1.2;color:#173b2b}.vrtx-note-keyboard button.is-black{color:#fff}.vrtx-note-keyboard button[aria-pressed=true]{color:#173b2b}