:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--canvas:#f5f6f1;--surface:#fff;--ink:#20352b;--muted:#6a7569;--accent:#1d3e2d;--selected:#eaf0e3;--highlight:#d2e4a6;--border:#e1e6da;--border-strong:#c6d0bd;--focus:#819a4d;--font-sans:"Segoe UI", system-ui, sans-serif;--font-display:"Segoe UI", system-ui, sans-serif;--font-mono:"Cascadia Mono", Consolas, monospace}*{box-sizing:border-box}body{background:var(--canvas);color:var(--ink);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;margin:0}button,input,select{font:inherit}a{color:inherit}button{cursor:pointer}.ui-icon{vertical-align:middle;flex-shrink:0;display:inline-block}fieldset{border:0;min-inline-size:0;margin:0;padding:0}legend,.tuning-selector label{padding:0;font-size:.88rem;font-weight:650}input:focus-visible+span,select:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--focus);outline-offset:4px}.app-shell{width:min(1160px,100% - 64px);padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);margin:0 auto}.app-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:20px;min-height:108px;display:flex}.brand{align-items:center;gap:12px;text-decoration:none;display:inline-flex}.brand img{border-radius:13px;width:44px;height:44px;box-shadow:0 5px 12px #1528211a}.brand-copy{flex-direction:column;gap:3px;display:flex}.brand-copy>span{letter-spacing:-1.2px;font-size:1.7rem;font-weight:760;line-height:1}.brand-copy small{letter-spacing:1.6px;color:var(--muted);font-size:.52rem;font-weight:600}.brand-dot{color:#67966e}.app-status{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:18px;display:flex;position:relative}.connection-status{color:var(--muted);align-items:center;gap:7px;font-size:.72rem;display:inline-flex}.connection-status:before{content:"";background:#7d897e;border-radius:50%;width:5px;height:5px}.install-button{border:1px solid var(--border-strong);background:var(--surface);min-height:42px;color:var(--ink);border-radius:10px;justify-content:center;align-items:center;gap:8px;padding:10px 15px;font-size:.78rem;font-weight:600;display:inline-flex}.install-button .ui-icon{width:16px;height:16px}.install-button:hover{border-color:var(--accent);background:var(--selected)}.installed-badge{color:var(--accent);font-size:.75rem}.install-help{z-index:10;border:1px solid var(--border);background:var(--surface);border-radius:16px;width:min(360px,100vw - 32px);padding:22px;font-size:.83rem;line-height:1.65;position:absolute;top:calc(100% + 12px);right:0;box-shadow:0 16px 50px #15282120}.page-intro{padding:44px 0 34px}.eyebrow{color:#547b5b;letter-spacing:1.8px;align-items:center;gap:8px;margin:0 0 13px;font-size:.65rem;font-weight:750;display:flex}.eyebrow .ui-icon{width:17px;height:17px}h1{font-family:var(--font-display);letter-spacing:-2px;margin:0 0 12px;font-size:clamp(2.5rem,4.5vw,3.5rem);font-weight:750;line-height:1.1}.page-intro>p:last-child{color:var(--muted);margin:0;font-size:.94rem;line-height:1.6}.workspace{grid-template-columns:minmax(0,1.06fr) minmax(0,1fr);align-items:stretch;gap:26px;display:grid}.selection-panel{border:1px solid var(--border);background:var(--surface);border-radius:22px;padding:28px;box-shadow:0 6px 28px #20372b04}.section-heading{border-bottom:1px solid var(--border);align-items:center;gap:13px;margin-bottom:25px;padding-bottom:24px;display:flex}.section-icon{color:#3f7150;background:#edf4eb;border:1px solid #d7e4d6;border-radius:12px;place-items:center;width:42px;height:42px;display:grid}.section-heading p{letter-spacing:1.5px;color:var(--muted);margin:0 0 4px;font-size:.56rem;font-weight:700}.section-heading h2{letter-spacing:-.35px;margin:0;font-size:1.1rem;font-weight:650}.step-number{color:#64775f;width:24px;height:24px;font-family:var(--font-mono);background:#eef2eb;border-radius:7px;place-items:center;margin-right:7px;font-size:.61rem;font-weight:500;display:inline-grid}.instrument-options{grid-template-columns:1fr 1fr;gap:12px;margin-top:15px;display:grid}.instrument-option,.string-option{cursor:pointer;display:block;position:relative}.instrument-option input,.string-option input{opacity:0;width:1px;height:1px;margin:0;position:absolute}.instrument-card{border:1px solid var(--border);text-align:center;background:#fafbf8;border-radius:15px;flex-direction:column;align-items:center;gap:10px;height:100%;min-height:204px;padding:14px 12px 18px;transition:border-color .15s,box-shadow .15s,transform .15s;display:flex;position:relative}.instrument-option:hover .instrument-card{border-color:#8ba58b;transform:translateY(-2px)}.instrument-option input:checked+.instrument-card{background:#f0f6ed;border-color:#4c7755;box-shadow:0 0 0 1px #4c7755}.guitar-icon{width:96px;height:96px;display:block}.guitar-icon svg{width:100%;height:100%}.instrument-card strong{font-size:.84rem;font-weight:650;display:block}.instrument-detail{max-width:155px;color:var(--muted);margin:6px auto 0;font-size:.68rem;line-height:1.5;display:block}.radio-indicator{background:#fff;border:1px solid #bac8b6;border-radius:50%;place-items:center;width:18px;height:18px;display:grid;position:absolute;top:12px;right:12px}.radio-indicator .ui-icon{width:12px;height:12px;display:none}.instrument-option input:checked+.instrument-card .radio-indicator{color:#fff;background:#3f6f4d;border-color:#3f6f4d}.instrument-option input:checked+.instrument-card .radio-indicator .ui-icon{display:block}.tuning-selector{margin-top:26px}.tuning-selector label{margin-bottom:12px;display:block}select{border:1px solid var(--border-strong);background:var(--surface);width:100%;min-height:48px;color:var(--ink);cursor:pointer;border-radius:10px;padding:11px 13px;font-size:.85rem;display:block}select:hover{border-color:#6c8b70}.tuning-summary{background:#f4f6f0;border:1px solid #e9ede2;border-radius:10px;margin:14px 0 24px;padding:14px 16px}.note-sequence{color:#415d40;font-family:var(--font-mono);letter-spacing:1px;margin:0 0 7px;font-size:.82rem}.tuning-summary>p:last-child{color:var(--muted);margin:0;font-size:.73rem;line-height:1.6}.field-hint{color:var(--muted);margin:10px 0 14px;font-size:.72rem;line-height:1.5}.detection-mode{margin:0 0 20px}.detection-mode legend{margin-bottom:11px;font-size:.79rem}.mode-options{background:#f0f2ec;border:1px solid #e6eade;border-radius:11px;gap:5px;padding:4px;display:flex}.mode-options label{cursor:pointer;flex:1;position:relative}.mode-options input{opacity:0;width:1px;height:1px;position:absolute}.mode-options span{min-height:38px;color:var(--muted);border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:8px;font-size:.77rem;display:flex}.mode-options .ui-icon{width:15px;height:15px}.mode-options input:checked+span{background:var(--surface);color:var(--accent);border-color:#dce4d3;font-weight:650;box-shadow:0 2px 4px #20372b09}.string-options{grid-template-columns:repeat(6,minmax(0,1fr));gap:7px;display:grid}.string-card{border:1px solid var(--border);background:#fafbf8;border-radius:11px;flex-direction:column;justify-content:center;align-items:center;gap:12px;min-height:85px;padding:12px 3px;transition:background .15s,border-color .15s;display:flex}.string-option:hover .string-card{border-color:#7f9b7e}.string-option input:checked+.string-card{border-color:var(--accent);background:var(--accent);color:#d6ecad;box-shadow:0 4px 9px #15282120}.string-number{font-family:var(--font-mono);opacity:.7;font-size:.62rem}.string-note{font-family:var(--font-mono);font-size:1.3rem;font-weight:600}.string-note sub{font-size:.65rem;font-weight:400}.tuner-panel{color:#f3f6ee;background:radial-gradient(at 50% 22%,#234638,#142b22 60%);border:1px solid #365347;border-radius:22px;flex-direction:column;align-items:center;padding:28px 30px;display:flex;position:relative;overflow:hidden;box-shadow:0 16px 40px #15282118}.panel-topline{justify-content:space-between;align-items:center;gap:12px;width:100%;display:flex}.panel-label{align-items:center;gap:10px;display:flex}.panel-symbol{width:38px;height:38px;color:var(--highlight);background:#9dc78e0a;border:1px solid #4c6b59;border-radius:11px;place-items:center;display:grid}.panel-label small{color:#a0baaa;letter-spacing:1.3px;margin-bottom:4px;font-size:.52rem;display:block}.panel-label strong{font-size:.85rem;font-weight:550;display:block}.reference-label{color:#c2d1bd;font-family:var(--font-mono);white-space:nowrap;border:1px solid #496253;border-radius:6px;padding:7px 9px;font-size:.63rem}.target-reading{text-align:center;flex-direction:column;justify-content:center;align-items:center;width:100%;min-height:282px;margin:14px 0 8px;padding:36px 0 25px;display:flex;position:relative}.dial-decoration{color:#7f9f7e;opacity:.24;pointer-events:none;width:280px;max-width:100%;height:260px;position:absolute;top:0;left:50%;transform:translate(-50%)}.target-string{z-index:1;color:#b4c9b2;text-transform:uppercase;letter-spacing:1.4px;margin:0 0 7px;font-size:.6rem;position:relative}.target-note{z-index:1;font-family:var(--font-display);letter-spacing:-3px;color:#e7f1d0;margin:0;font-size:6.6rem;font-weight:500;line-height:1.12;position:relative}.target-note sub{color:var(--highlight);font-family:var(--font-mono);letter-spacing:0;font-size:1.7rem}.target-frequency{z-index:1;max-width:220px;color:var(--highlight);font-family:var(--font-mono);margin:10px 0 0;font-size:.95rem;line-height:1.5;position:relative}.target-frequency span{font-size:.65rem}.live-reading{color:#bdcdbb;background:#091d1650;border:1px solid #4d695845;border-radius:11px;justify-content:space-between;align-items:center;gap:12px;width:100%;padding:14px 16px;font-size:.68rem;display:flex}.live-reading strong{color:var(--highlight);font-family:var(--font-mono);font-size:1.25rem}.note-detail{color:#aabda8;margin:10px 0 16px;font-size:.65rem}.cents-meter{width:100%;padding:12px 8px 0}.meter-track{background:linear-gradient(90deg,#536f59 45%,#c6df99 45% 55%,#536f59 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#4b665349;width:100%;margin-top:18px;padding-top:15px;font-size:.73rem;line-height:1.7}.tuner-help summary{cursor:pointer}.tuner-help ol{padding-left:20px}.app-footer{border-top:1px solid var(--border);color:var(--muted);justify-content:space-between;gap:16px;margin-top:36px;padding:22px 0 28px;font-size:.67rem;display:flex}.app-footer span{align-items:center;gap:7px;display:flex}.app-footer .ui-icon{width:15px;height:15px}@media (width<=900px){.app-shell{width:min(600px,100% - 40px)}.workspace{grid-template-columns:1fr;gap:22px}.app-header{min-height:94px}.app-status{gap:7px;max-width:210px}.connection-status{text-align:right;font-size:.65rem}.page-intro{padding:32px 0 26px}.selection-panel{padding:24px}.tuner-panel{padding:25px}}@media (width<=420px){.app-shell{width:calc(100% - 28px)}.brand-copy>span{font-size:1.4rem}.brand-copy small{letter-spacing:1px;font-size:.43rem}.brand 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