/* VRT Vocal Range Test — scoped to .vrtvrt-tool. Ported from this site's existing
   homepage tool (same light/blue brand), re-platformed with the dark-mode pattern
   used across this site's other rebuilt tools (data-scheme on the root element). */
.vrtvrt-tool{--vrt-ink:#1d2330;--vrt-muted:#5a6272;--vrt-line:#dde1e8;--vrt-bg:#fff;--vrt-soft:#f7f9fc;--vrt-accent:#2455c3;--vrt-accent-soft:#e7eefc;--vrt-user:#c0561b;--vrt-err:#b42318;box-sizing:border-box;max-width:760px;margin:1em 0 1.5em;padding:16px;background:var(--vrt-bg);color:var(--vrt-ink);border:1px solid var(--vrt-line);border-radius:12px;box-shadow:0 1px 3px rgba(20,30,50,.06);font-size:16px;line-height:1.5}
.vrtvrt-tool *,.vrtvrt-tool *::before,.vrtvrt-tool *::after{box-sizing:inherit}
.vrtvrt-tool [hidden]{display:none!important}
.vrtvrt-sr{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.vrtvrt-title{margin:0 0 4px;font-size:1.35em;line-height:1.25;color:var(--vrt-ink)}
.vrtvrt-intro{margin:0 0 10px;color:var(--vrt-muted);font-size:.95em}
.vrtvrt-form{margin:0}
.vrtvrt-modes{margin:0 0 6px;padding:0;border:0;display:flex;flex-wrap:wrap;gap:0 14px}
.vrtvrt-modes label{display:inline-flex;align-items:center;gap:7px;min-height:40px;font-weight:600;font-size:.9em;cursor:pointer}
.vrtvrt-modes input{width:18px;height:18px;margin:0;accent-color:var(--vrt-accent)}
.vrtvrt-panel{padding:12px;background:var(--vrt-soft);border:1px solid var(--vrt-line);border-radius:10px}
.vrtvrt-step{margin:0 0 10px;font-size:.95em}
.vrtvrt-live{display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 12px;padding:8px 12px;background:var(--vrt-bg);border:1px solid var(--vrt-line);border-radius:8px}
.vrtvrt-live-note{font-size:1.9em;font-weight:700;line-height:1.1;min-width:2.5ch;font-variant-numeric:tabular-nums}
.vrtvrt-live-hz{color:var(--vrt-muted);font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.vrtvrt-clarity{color:var(--vrt-muted);font-size:.85em}
.vrtvrt-clarity:empty{display:none}
.vrtvrt-best{width:100%;font-size:.9em;font-weight:600;color:var(--vrt-user)}
.vrtvrt-best:empty{display:none}
.vrtvrt-meter{height:6px;margin:8px 0 0;background:#e6e9ef;border-radius:3px;overflow:hidden}
.vrtvrt-meter span{display:block;height:100%;width:0;background:var(--vrt-accent);transition:width .08s linear}
.vrtvrt-actions{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 0}
.vrtvrt-actions-top{margin:0 0 10px}
.vrtvrt-btn{min-height:44px;padding:9px 16px;font:inherit;font-weight:600;color:var(--vrt-ink);background:var(--vrt-bg);border:1px solid #b9c0cc;border-radius:8px;cursor:pointer;line-height:1.2}
.vrtvrt-btn:hover{border-color:var(--vrt-accent)}
.vrtvrt-btn-primary{color:#fff;background:var(--vrt-accent);border-color:var(--vrt-accent)}
.vrtvrt-btn-primary:hover{background:#1c469f}
.vrtvrt-btn-quiet{border-color:transparent;background:transparent;color:var(--vrt-accent);padding-left:8px;padding-right:8px}
.vrtvrt-btn:disabled{opacity:.5;cursor:not-allowed}
.vrtvrt-tool button:focus-visible,.vrtvrt-tool select:focus-visible,.vrtvrt-tool input:focus-visible{outline:3px solid #8fb0f0;outline-offset:2px}
.vrtvrt-captured{margin:10px 0 0;font-variant-numeric:tabular-nums;font-size:.95em}
.vrtvrt-captured output{font-weight:700}
.vrtvrt-small{margin:8px 0 0;font-size:.85em;color:var(--vrt-muted)}
.vrtvrt-grid{display:grid;grid-template-columns:1fr;gap:0 14px}
.vrtvrt-field{display:flex;flex-direction:column;gap:6px;margin:0 0 12px;min-width:0}
.vrtvrt-field label{font-weight:600;font-size:.95em}
.vrtvrt-tool select{width:100%;min-height:44px;padding:8px 10px;font:inherit;color:var(--vrt-ink);background:var(--vrt-bg);border:1px solid #b9c0cc;border-radius:8px}
.vrtvrt-status{margin:8px 0 0;min-height:1.4em;font-size:.95em;color:var(--vrt-muted)}
.vrtvrt-status:empty{min-height:0}
.vrtvrt-status.vrtvrt-error{color:var(--vrt-err);font-weight:600}
.vrtvrt-result{margin:16px 0 0;padding:14px;border:2px solid var(--vrt-accent-soft);border-radius:10px}
.vrtvrt-verdict{margin:0 0 12px;font-size:1.2em;font-weight:700}
.vrtvrt-metrics{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:0 0 12px}
.vrtvrt-metrics div{padding:8px 10px;background:var(--vrt-soft);border-radius:8px;min-width:0}
.vrtvrt-metrics dt{font-size:.8em;color:var(--vrt-muted);font-weight:500}
.vrtvrt-metrics dd{margin:2px 0 0;font-weight:700;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.vrtvrt-kbd-wrap{margin:0 0 10px;padding:0}
.vrtvrt-kbd{display:block;width:100%;height:auto}
.vrtvrt-kw{fill:var(--vrt-bg);stroke:#9aa3b2;stroke-width:1}
.vrtvrt-kb{fill:#2b3240}
.vrtvrt-kw.vrtvrt-on{fill:#f8c9ad}
.vrtvrt-kb.vrtvrt-on{fill:#c0561b}
.vrtvrt-kw.vrtvrt-edge{fill:var(--vrt-user)}
.vrtvrt-kb.vrtvrt-edge{fill:#7a2f07}
.vrtvrt-kbd text{font-size:15px;fill:var(--vrt-muted);font-family:inherit}
.vrtvrt-meaning{margin:0 0 12px}
.vrtvrt-meaning:empty{display:none}
.vrtvrt-ideas{display:grid;grid-template-columns:1fr;gap:4px 16px;margin:0 0 4px;padding:12px;background:var(--vrt-soft);border-radius:8px}
.vrtvrt-ideas h3{margin:0 0 4px;font-size:.95em;line-height:1.3}
.vrtvrt-ideas ul{margin:0 0 6px;padding-left:18px;font-size:.92em}
.vrtvrt-ideas .vrtvrt-small{grid-column:1/-1;margin:0}

@media (min-width:600px){
	.vrtvrt-tool{padding:22px}
	.vrtvrt-grid,.vrtvrt-ideas{grid-template-columns:1fr 1fr}
	.vrtvrt-metrics{grid-template-columns:repeat(4,1fr)}
}
@media (prefers-reduced-motion:reduce){.vrtvrt-meter span{transition:none}}

@media (prefers-color-scheme:dark){
	.vrtvrt-tool[data-scheme=auto]{--vrt-ink:#f1f5f9;--vrt-muted:#cbd5e1;--vrt-line:#334155;--vrt-bg:#111827;--vrt-soft:#1a2135;--vrt-accent:#8fb0f0;--vrt-accent-soft:#1e3a6e;--vrt-user:#f0a05a;--vrt-err:#fca5a5}
	.vrtvrt-tool[data-scheme=auto] .vrtvrt-btn{background:var(--vrt-bg);border-color:#475569}
	.vrtvrt-tool[data-scheme=auto] .vrtvrt-btn-primary{color:#0f172a}
	.vrtvrt-tool[data-scheme=auto] .vrtvrt-meter{background:#1f2937}
	.vrtvrt-tool[data-scheme=auto] .vrtvrt-kw{fill:#1a2135;stroke:#475569}
}