@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');
:root{color-scheme:dark;--bg:#071c34;--panel:#102b46;--text:#eaf6ff;--muted:#96b7ce;--cyan:#8ad8fb;--green:#45e7a2;--line:#ffffff17;--accent:#e6b97a}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 85% 0,#154b6b55,transparent 55%),var(--bg);font-family:Inter,system-ui,-apple-system,sans-serif;color:var(--text);min-height:100svh}button,select{font:inherit}button{cursor:pointer}button:focus-visible,select:focus-visible{outline:3px solid var(--cyan);outline-offset:4px}.app{width:min(1160px,100%);margin:auto;padding:28px max(24px,env(safe-area-inset-right)) max(20px,env(safe-area-inset-bottom)) max(24px,env(safe-area-inset-left))}header{display:flex;align-items:center;justify-content:space-between;padding:0 8px 24px}.brand-main{font-size:38px;letter-spacing:-2px;font-weight:900}.brand-main em{font-style:normal;font-weight:500;color:var(--cyan)}.brand-sub{display:block;letter-spacing:2.4px;font-size:9px;color:var(--muted);margin-top:5px}.logo{width:56px;height:64px;object-fit:contain}.preview-label{display:flex;align-items:center;gap:8px;font-size:10px;letter-spacing:1.5px;color:var(--muted);margin:0 8px 16px}.preview-explain{letter-spacing:0;text-transform:none;color:#7898b1}.live-dot{height:6px;width:6px;border-radius:50%;background:var(--cyan)}.workspace{background:linear-gradient(120deg,#112e49e8,#0b233ce8);border:1px solid #6bb9df30;border-radius:24px;overflow:hidden;box-shadow:0 25px 80px #0003}.settings{display:grid;grid-template-columns:1fr 1fr auto;gap:18px;align-items:center;padding:20px 30px;border-bottom:1px solid var(--line);background:#061b302d}.settings label{font-size:10px;text-transform:uppercase;letter-spacing:1.5px;color:var(--muted)}select{display:block;width:100%;margin-top:8px;background:#173a54;color:var(--text);border:1px solid #69adcf44;border-radius:10px;padding:11px 34px 11px 13px;font-size:14px;letter-spacing:0;text-transform:none}.reference{border-left:1px solid #fff2;padding-left:26px}.reference>span{display:block;font-size:9px;letter-spacing:1.5px;color:var(--muted);margin-bottom:7px}.reference strong{font-size:13px;font-weight:400;color:var(--muted)}.reference b{font-weight:700;color:var(--text)}.tuner-body{display:grid;grid-template-columns:.95fr 1.05fr;min-height:600px}.readout{padding:58px 38px 30px;display:flex;flex-direction:column;justify-content:center;border-right:1px solid var(--line)}.eyebrow{color:var(--muted);font-size:10px;font-weight:600;letter-spacing:2px}.note-line{display:flex;align-items:center;gap:26px;margin:10px 0 25px}#note{font-size:98px;font-weight:700;letter-spacing:-7px;line-height:1.2;color:var(--cyan);transition:color .25s}#note sub{font-size:.4em;letter-spacing:0;vertical-align:baseline;margin-left:6px;font-weight:500}.note-line>div{display:flex;flex-direction:column;gap:8px}#frequency{font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums}.status{color:var(--accent);font-size:13px;font-weight:700}.meter-labels,.scale{display:flex;justify-content:space-between;font-size:9px;letter-spacing:1px;color:#789ab4}.center-label{color:var(--green)}.meter-track{position:relative;height:52px;margin-top:7px}.ticks{position:absolute;inset:16px 0 12px;background:repeating-linear-gradient(90deg,#80acc35c 0px,#80acc35c 1px,transparent 1px,transparent 10%);border-bottom:1px solid #57788e}.sweetspot{position:absolute;left:45%;width:10%;top:8px;bottom:4px;background:#45e7a218;border-radius:4px;border-bottom:2px solid #45e7a277}.sweetspot:after{content:'';position:absolute;left:50%;height:40px;width:1px;background:var(--green);top:-2px}.needle{position:absolute;left:50%;height:42px;top:2px;width:3px;background:var(--accent);border-radius:3px;transform:translateX(-50%);box-shadow:0 0 12px #e6b97a44;transition:left .12s linear,background .3s}.needle:before{content:'';position:absolute;top:-5px;left:-3.5px;width:10px;height:10px;background:inherit;transform:rotate(45deg);border-radius:2px}.scale{letter-spacing:0;margin:2px 0 18px}.cents{text-align:center;font-size:28px;font-weight:600;font-variant-numeric:tabular-nums}.cents span{font-size:12px;color:var(--muted);font-weight:400}.direction{text-align:center;color:var(--muted);font-size:12px;margin:8px 0 22px;min-height:16px}.success{color:var(--green);font-size:17px;font-weight:800;text-align:center;opacity:0;transform:translateY(5px);transition:.3s;min-height:36px}.success span{display:inline-grid;place-items:center;background:var(--green);color:var(--bg);width:24px;height:24px;border-radius:50%;margin-right:4px;font-size:14px}.helper{color:#93b2c6;font-size:11px;line-height:1.7;text-align:center;margin:22px 0 16px}.demo-controls{display:flex;gap:8px;align-items:center;justify-content:center}.demo-controls button{border-radius:10px;padding:11px 13px;font-size:11px;font-weight:700;border:1px solid #6ab9e355;white-space:nowrap;color:var(--text)}.primary{background:#26718e}.secondary{background:#193c57}.demo-controls .sound{background:none;border:0;padding:8px;color:var(--cyan)}.sound svg{width:23px;height:23px;display:block}.sound[aria-pressed=false]{opacity:.4}.sound-hint{text-align:center;font-size:9px;color:#7697af;margin:12px 0 0}.instrument-panel{min-width:0;padding:22px 24px 18px;display:flex;align-items:center;flex-direction:column;background:radial-gradient(ellipse at 50% 45%,#35709214,transparent 65%)}.instrument-title{width:100%;display:flex;align-items:center;justify-content:space-between;font-size:11px;color:#b1cde0;gap:8px}.auto-tag{font-size:8px;letter-spacing:1px;white-space:nowrap;display:flex;align-items:center;gap:7px}.auto-tag i{display:block;background:#2d7f70;width:23px;height:13px;border-radius:20px;position:relative}.auto-tag i:after{content:'';position:absolute;width:9px;height:9px;background:#8bffe1;border-radius:50%;right:2px;top:2px}.stage{width:min(100%,340px);aspect-ratio:2/3;position:relative;margin:12px auto 0;isolation:isolate}#headstock{display:block;position:absolute;width:100%;height:100%;object-fit:contain}#stringOverlay{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none}.string-line{fill:none;stroke:var(--accent);stroke-width:5;opacity:.95;stroke-linecap:round}.string-glow{fill:none;stroke:var(--accent);stroke-width:20;filter:url(#glow);opacity:.35}.peg-halo{fill:none;stroke:var(--accent);stroke-width:5;opacity:.6;transform-box:fill-box;transform-origin:center;animation:halo 1.8s infinite}.peg{position:absolute;transform:translate(-50%,-50%);height:34px;min-width:34px;border:1px solid #70b6dd55;background:#09243deb;color:#aac9dc;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;box-shadow:0 2px 15px #0004;transition:.25s;z-index:2}.peg sub{font-size:8px;font-weight:400;margin-left:1px}.peg.selected{border-color:var(--accent);background:#473c2be8;color:#ffe4b5;box-shadow:0 0 0 4px #e6b97a10}.string-row{display:flex;gap:8px;justify-content:center;margin:12px 0 2px}.string-chip{width:34px;height:34px;background:#183d57;color:#a7c7dc;border:1px solid #609bb944;border-radius:9px;font-size:12px;font-weight:700;transition:.25s}.string-chip sub{font-size:8px}.string-chip.selected{border-color:var(--accent);color:var(--accent);background:#e6b97a12}.instrument-caption{text-align:center;color:#6d97b2;font-size:9px;margin:10px 0 0}.tuned{--accent:#45e7a2}.tuned #note{color:var(--green)}.tuned .status{color:var(--green)}.tuned .success{opacity:1;transform:none}.tuned .peg.selected{color:#a4ffcf;background:#144a3de8;border-color:var(--green);box-shadow:0 0 18px #45e7a244}.tuned .needle{background:var(--green);box-shadow:0 0 15px #45e7a277}.tuned .string-chip.selected{color:var(--green)}footer{display:flex;justify-content:space-between;gap:10px;padding:22px 7px 0;color:#6e91ac;font-size:9px;line-height:1.6}footer span:last-child{color:#57778f}.chromatic-visual{position:absolute;inset:0;display:grid;place-items:center}.chromatic-visual[hidden]{display:none}.orbit{position:absolute;width:75%;aspect-ratio:1;border:1px solid #7dd9ff30;border-radius:50%}.o2{width:60%;border-style:dashed;animation:orbit 30s linear infinite}.o3{width:45%;border:2px solid var(--accent);box-shadow:0 0 30px #3afc9d10}#chromaticNote{font-size:80px;font-weight:600;color:var(--accent)}#chromaticNote span{font-size:25px}@keyframes halo{50%{opacity:.25;stroke-width:8}}@keyframes orbit{to{transform:rotate(360deg)}}@media(min-width:1000px){.stage{width:350px}.tuner-body{min-height:670px}}@media(max-width:680px){.app{padding:16px max(14px,env(safe-area-inset-right)) max(20px,env(safe-area-inset-bottom)) max(14px,env(safe-area-inset-left))}header{padding:0 4px 18px}.brand-main{font-size:31px}.brand-sub{font-size:7px;letter-spacing:1.7px}.logo{width:44px;height:51px}.preview-label{font-size:8px;letter-spacing:1px;margin-left:4px;margin-bottom:12px}.workspace{border-radius:19px}.settings{padding:15px;gap:10px;grid-template-columns:1fr 1fr}.settings label{font-size:8px}.settings select{font-size:12px;padding:10px 23px 10px 10px}.reference{grid-column:1/-1;border:0;padding:0;display:flex;gap:8px;align-items:center;justify-content:center}.reference>span{margin:0;font-size:8px}.reference strong{font-size:10px}.tuner-body{grid-template-columns:1fr;min-height:0}.readout{padding:22px 22px 0;border:0;display:grid;grid-template-columns:1fr 1fr;column-gap:8px;align-items:center;justify-content:normal}.eyebrow{grid-column:1/-1;text-align:center;font-size:9px}.note-line{justify-content:center;grid-column:1/-1;margin:0 0 8px;gap:18px}#note{font-size:63px;letter-spacing:-3px}#frequency{font-size:11px}.status{font-size:11px}.meter{grid-column:1/-1;max-width:360px;width:100%;margin:auto}.meter-track{height:35px}.ticks{inset:10px 0 5px}.sweetspot{top:1px;bottom:0}.sweetspot:after{height:33px;top:-1px}.needle{height:31px;top:0}.scale{margin-bottom:5px;font-size:8px}.cents{font-size:20px;text-align:right;padding-right:6px}.direction{font-size:10px;margin:0;text-align:left;min-height:0}.success{grid-column:1/-1;min-height:28px;font-size:14px;padding-top:7px}.success span{width:20px;height:20px;font-size:12px}.helper{display:none}.demo-controls{grid-column:1/-1;margin:10px 0 0}.demo-controls button{padding:8px 12px;font-size:10px}.sound-hint{grid-column:1/-1;font-size:8px;margin:5px 0 0}.instrument-panel{padding:17px 10px 15px}.instrument-title{font-size:9px;padding:0 8px}.auto-tag{font-size:7px}.stage{width:235px;margin-top:8px}.peg{height:28px;min-width:28px;font-size:11px}.peg sub{font-size:7px}.string-row{gap:7px;margin-top:6px}.string-chip{width:31px;height:31px;font-size:11px}.instrument-caption{font-size:8px}footer{flex-direction:column;text-align:center;gap:3px;padding-top:16px;font-size:8px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}
/* Compact layout shared with the intended Adoradores view. */
.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}
.app{padding-top:16px;padding-bottom:12px}header{padding-bottom:14px}.brand-main{font-size:32px}.brand-sub{font-size:8px}.logo{width:42px;height:48px}.settings{padding:14px 22px;gap:14px}.reference{display:grid;grid-template-columns:1fr auto;column-gap:12px;align-items:center;padding-left:18px}.reference>span{grid-column:1;grid-row:1}.reference strong{grid-column:1;grid-row:2}.reference .sound{grid-column:2;grid-row:1/3;background:none;border:0;color:var(--cyan);padding:6px;border-radius:8px}.sound svg{width:23px;height:23px}.tuner-body{min-height:0}.readout{padding:28px 32px;justify-content:center}.note-line{margin-bottom:14px}.direction{margin-bottom:14px}.success{font-size:16px;min-height:32px}.instrument-panel{padding:14px 18px}.stage{flex:none;width:min(100%,310px);aspect-ratio:2/3;margin:0 auto}.string-row{margin-top:8px;margin-bottom:0}.instrument-caption{display:none}footer{justify-content:center;padding-top:12px}.string-line{stroke-width:4}.string-glow{stroke-width:13;opacity:.3}.peg-halo{r:45;stroke-width:4}footer span:last-child{color:#6e91ac}
@media(max-width:680px){.app{padding:10px max(12px,env(safe-area-inset-right)) max(8px,env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left))}header{padding:0 3px 10px}.brand-main{font-size:28px}.brand-sub{font-size:6px;margin-top:2px;letter-spacing:1.6px}.logo{width:33px;height:38px}.workspace{border-radius:16px}.settings{padding:10px 12px 8px;column-gap:10px;row-gap:7px}.settings select{margin-top:5px;padding:8px 21px 8px 9px;font-size:12px}.settings label{font-size:8px}.reference{display:flex;grid-column:1/-1;justify-content:center;padding:0;gap:7px;position:relative;min-height:24px}.reference>span{font-size:8px;margin:0}.reference strong{font-size:10px}.reference .sound{position:absolute;right:0;padding:2px 4px}.sound svg{width:21px;height:21px}.readout{padding:13px 18px 0}.eyebrow{font-size:8px;letter-spacing:1.4px}.note-line{margin:2px 0 5px;gap:14px}#note{font-size:54px}#frequency{font-size:10px}.status{font-size:10px}.meter-labels{font-size:7px}.meter-track{height:29px;margin-top:4px}.ticks{inset:7px 0 3px}.sweetspot{top:0;bottom:0}.sweetspot:after{height:27px}.needle{height:26px}.scale{margin:2px 0 3px;font-size:7px}.cents{font-size:17px}.cents span{font-size:10px}.direction{font-size:9px;margin:0}.success{font-size:13px;min-height:26px;padding-top:6px}.success span{width:18px;height:18px;font-size:11px}.instrument-panel{padding:8px 8px 12px}.stage{height:clamp(225px,calc(100svh - 352px),435px);width:auto;max-width:100%;aspect-ratio:2/3;margin:0 auto;flex:none}.peg{height:27px;min-width:27px;font-size:10px}.string-row{margin:7px 0 0;gap:8px}.string-chip{width:30px;height:30px;font-size:11px}footer{padding-top:8px;font-size:8px}}
@media(max-height:700px) and (max-width:680px){.stage{height:225px}.brand-sub{display:none}.readout{padding-top:9px}.success{min-height:23px;padding-top:3px}.instrument-panel{padding-top:4px}}
@media(max-width:680px){.stage{height:clamp(180px,calc(100svh - 450px),390px)}}
@media(max-height:700px) and (max-width:680px){.stage{height:clamp(170px,calc(100svh - 436px),270px)}}
.return-main{color:var(--cyan);font-size:30px;text-decoration:none;line-height:1;margin-right:12px}.brand{margin-right:auto}.reference{display:flex;align-items:center;gap:14px;white-space:nowrap}.reference .reference-text{font-size:10px}.live-controls{display:flex;align-items:center;gap:5px}.live-controls button{border:1px solid #67b2d05c;background:#183d57;color:var(--text);border-radius:8px;padding:6px 8px;font-size:11px;min-height:30px}.live-controls #autoControl[aria-pressed=true]{color:#8affc1;border-color:#45e7a288}.live-controls .sound{position:static!important;padding:3px!important;background:none!important;border:0!important}.workspace:not(.has-reading) #stringOverlay{opacity:.25}.tuner-notice{max-width:700px;margin:7px auto 0;font-size:11px;text-align:center;color:#b7dcec;line-height:1.4}#stringRow[hidden]{display:none}.needle{transition:left .12s linear}.workspace:not(.has-reading) .needle{opacity:.35}
@media(max-width:680px){.reference{justify-content:space-between;gap:5px;min-height:30px}.reference .reference-text{font-size:9px}.live-controls button{padding:4px 7px;font-size:10px;min-height:28px}.live-controls .sound svg{width:20px;height:20px}.return-main{font-size:27px;margin-right:8px}.stage{height:clamp(170px,calc(100svh - 466px),374px)}}
@media(max-height:700px) and (max-width:680px){.stage{height:clamp(155px,calc(100svh - 450px),250px)}}

/* Instalación pública: discreta, fuera del área de afinación. */
footer{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px 16px}.install-app{background:transparent;color:var(--cyan);border:1px solid #68b9df55;border-radius:8px;padding:6px 10px;font-size:11px}.install-app[hidden]{display:none}#installHelp{position:fixed;max-width:min(380px,calc(100vw - 32px));color:var(--text);background:#102b46;border:1px solid #6bb9df66;border-radius:20px;padding:28px;text-align:center;box-shadow:0 20px 80px #0008}#installHelp::backdrop{background:#020d1bd9}#installHelp img{border-radius:17px}#installHelp h2{font-size:20px}#installHelp p{line-height:1.6;font-size:14px;color:#bfd8e9}#installHelp button{border:1px solid #6bb9df77;background:#1c4b69;border-radius:9px;color:var(--text);padding:9px 16px;font:inherit}#installHelp .install-close{position:absolute;right:10px;top:7px;border:0;background:none;font-size:25px;padding:3px 8px}