.tuner-page{--tuner-green:#168967;--tuner-accent:#d9a34b}
.tuner-hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:23px;font-size:12px;color:#d2ddeb}
.tuner-hero-tags span{border:1px solid #ffffff26;border-radius:30px;padding:7px 13px}
.tuner-layout{display:grid;grid-template-columns:380px 1fr;gap:24px}
.tuner-card{background:#fff;border:1px solid #e0e5ed;border-radius:20px;padding:28px;box-shadow:0 10px 30px #17243b05}
.tuner-card h2{font-size:22px;font-weight:600;margin:10px 0 22px;letter-spacing:-.025em}
.tuner-overline{font-size:11px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:#748297}
.tuner-setup label,.tuner-custom label{display:block;font-size:12px;font-weight:700;margin:18px 0 8px;color:#40506a}
.tuner-page select,.tuner-unit input{width:100%;height:48px;background:#f8fafc;border:1px solid #dce3ee;border-radius:10px;padding:0 12px;color:#19283f;font:inherit;font-size:14px}
.tuner-page button:focus-visible,.tuner-page select:focus-visible,.tuner-page input:focus-visible{outline:3px solid #5fd5e6;outline-offset:3px}
.tuner-hint{font-size:12px;color:#738197;min-height:52px;line-height:1.6;margin-top:13px}
.tuner-calibration{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:8px}
.tuner-unit{display:flex;align-items:center;gap:8px;font-size:12px;color:#738197}
.tuner-unit input{min-width:0;text-align:center}
.tuner-calibration input[type=range]{width:100%;height:48px;accent-color:#1c3b60}
.tuner-tip{font-size:13px;line-height:1.8;color:#617189;background:#f4f8fa;border-left:3px solid #5fd5e6;border-radius:0 9px 9px 0;padding:14px;margin-top:28px}
.tuner-tip strong{display:block;color:#213752}
.tuner-backlink{display:block;margin-top:22px;font-size:13px;font-weight:600;color:#285578;text-decoration:none}
.tuner-detector{text-align:center;padding:25px 30px 20px}
.tuner-detector-heading{display:flex;justify-content:space-between;align-items:center}
.tuner-mode{border-radius:30px;padding:6px 12px;font-size:11px;background:#eef4f8;color:#365a78;font-weight:700}
.tuner-gauge{position:relative;max-width:490px;margin:26px auto 0}
.tuner-gauge svg{width:100%;display:block;overflow:visible}
.tuner-readout{position:absolute;top:29%;left:25%;right:25%;display:flex;align-items:center;flex-direction:column;pointer-events:none}
.tuner-note{font-size:clamp(52px,6vw,78px);font-weight:600;line-height:1;letter-spacing:-.06em;color:#192b46}
.tuner-note span{font-size:.4em;vertical-align:super;letter-spacing:0;margin-left:4px;font-weight:400}
.tuner-solfege{font-size:14px;color:#718096;line-height:1.8;margin-top:4px}
.tuner-frequency{font-size:14px;color:#3d506c;letter-spacing:.03em}
#tuner-needle{transition:transform .12s ease;opacity:.7}
.tuner-instruction{font-size:18px;font-weight:600;color:#40526d;min-height:31px}
.tuner-instruction.tuned{color:var(--tuner-green)}
.tuner-measurement{display:flex;justify-content:center;gap:20px;flex-wrap:wrap;font-size:12px;color:#758296;margin-top:6px}
.tuner-mic-row{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:23px}
.tuner-button{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 18px;border-radius:10px;border:1px solid #dce3ed;font:inherit;font-size:13px;font-weight:600;cursor:pointer;min-height:44px;transition:background .15s}
.tuner-button.primary{color:#fff;background:#192e4d;border-color:#192e4d}
.tuner-button.primary:hover{background:#274765}
.tuner-button.primary.active{background:#168967;border-color:#168967}
.tuner-button.secondary{color:#40516c;background:#fff}
.tuner-button.secondary:hover{background:#f2f6fa}
.tuner-button:disabled{opacity:.5;cursor:wait}
.tuner-signal{width:110px;height:3px;background:#edf1f6;border-radius:3px;margin:18px auto 0;overflow:hidden}
.tuner-signal span{height:100%;display:block;background:#29ae8d;width:0;transition:width .1s}
.tuner-privacy{font-size:11px;color:#8894a5;margin:10px 0 0}
.tuner-error{font-size:12px;color:#ad4336;line-height:1.5;margin:9px 0 0;min-height:18px}
.tuner-strings{margin-top:24px}
.tuner-strings-heading{display:flex;justify-content:space-between;align-items:center;gap:15px;flex-wrap:wrap}
.tuner-strings-heading h2{margin-bottom:8px}
.tuner-play-controls{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.tuner-hold{font-size:12px;color:#61728a;display:flex;align-items:center;gap:6px}
.tuner-order{font-size:12px;color:#7c889a;line-height:1.6;margin:8px 0 20px}
.tuner-string-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px}
.tuner-string-card{border:1px solid #dfe6f0;background:#f9fbfd;border-radius:13px;overflow:hidden}
.tuner-string-card.selected{border-color:#d3a557;background:#fffaf1;box-shadow:0 0 0 2px #e9bb671f}
.tuner-string-label{display:block;font-size:10px;text-transform:uppercase;letter-spacing:.09em;color:#7a879a;padding:12px 10px 2px;text-align:center}
.tuner-string-note{display:flex;align-items:center;justify-content:center;gap:5px;padding:8px 7px}
.tuner-select-note{background:transparent;border:0;cursor:pointer;font:inherit;color:#203650;font-size:27px;font-weight:600;min-width:50px;min-height:44px;padding:0 4px}
.tuner-select-note small{font-size:13px;vertical-align:super;font-weight:400}
.tuner-speaker{background:#eaf0f5;border:0;border-radius:50%;width:35px;height:35px;cursor:pointer;color:#3b5779;font-size:16px}
.tuner-speaker:hover{background:#dce8f1}
.tuner-string-freq{text-align:center;font-size:10px;color:#7b889a;padding:0 10px 12px}
.tuner-custom{display:flex;align-items:end;gap:12px;flex-wrap:wrap;border-top:1px solid #edf0f5;margin-top:24px;padding-top:1px}
.tuner-custom>div{min-width:100px}
.tuner-custom label{margin-top:16px}
.tuner-custom .tuner-button{height:48px}
.tuner-audio-status{font-size:12px;color:#60758f;display:block;margin-top:12px;min-height:17px}
.tuner-help{padding:38px 4px 0}
.tuner-help h2{font-size:26px;font-weight:500;letter-spacing:-.02em;margin-bottom:25px}
.tuner-help-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.tuner-help h3{font-size:16px;font-weight:600}
.tuner-help p{font-size:13px;line-height:1.9;color:#687b93}
.tuner-help-footer{margin-top:24px;border-top:1px solid #e3e8f0;padding-top:17px}
.tuner-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:950px){.tuner-layout{grid-template-columns:310px 1fr}.tuner-card{padding:23px}.tuner-note{font-size:59px}}
@media(max-width:740px){.tuner-layout{grid-template-columns:1fr}.tuner-setup{order:1}.tuner-detector{order:2}.tuner-setup .tuner-hint{min-height:0}.tuner-tip{margin-top:15px}.tuner-gauge{max-width:430px}.tuner-note{font-size:64px}.tuner-help-grid{grid-template-columns:1fr;gap:13px}.tuner-string-grid{grid-template-columns:repeat(auto-fit,minmax(106px,1fr))}.tuner-play-controls{margin-top:5px}.tuner-mic-row{margin-top:15px}.tuner-card{padding:22px}.tuner-hero-tags{font-size:11px}}
@media(max-width:390px){.tuner-card{padding:17px}.tuner-note{font-size:54px}.tuner-instruction{font-size:15px}.tuner-solfege,.tuner-frequency{font-size:12px}.tuner-string-grid{grid-template-columns:repeat(2,1fr)}}
@media(prefers-reduced-motion:reduce){#tuner-needle,.tuner-button,.tuner-signal span{transition:none}}