/* Fret Finder — all styles. Loaded by index.html. */
:root{--bg:#F6F7F9;--fg:#1C1E26;--muted:#5d6373;--card:#ffffff;--line:#E2E5EC;--accent:#3570CF;--dim:#C9CFDB;--tone:#3570CF;--third:#8A63D2;--ok:#2B8A57;--bad:#C92A2A;
box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
:root{color-scheme:light dark}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0E0F11;--fg:#F4F5F7;--muted:#9BA0AB;--card:#1A1C20;--line:#2A2D33;--accent:#8DB6F2;--dim:#3A3E46;--tone:#8DB6F2;--third:#C3A8F5;--ok:#6FD49B;--bad:#FF8787;color-scheme:dark}}
:root[data-theme="dark"]{--bg:#0E0F11;--fg:#F4F5F7;--muted:#9BA0AB;--card:#1A1C20;--line:#2A2D33;--accent:#8DB6F2;--dim:#3A3E46;--tone:#8DB6F2;--third:#C3A8F5;--ok:#6FD49B;--bad:#FF8787;color-scheme:dark}
:root[data-theme="light"]{color-scheme:light}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.45 -apple-system,system-ui,"Segoe UI",Roboto,sans-serif;padding:16px;max-width:620px;margin-inline:auto}
#note,#ptitle,.tone,#tnow{font-family:'Plus Jakarta Sans',-apple-system,system-ui,sans-serif}
button:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid var(--tone);outline-offset:2px}
.top{display:flex;gap:8px;margin-bottom:10px}.top select{flex:1}
.card{box-shadow:0 1px 2px rgba(20,26,46,.08)}
h1{font-size:18px;margin:4px 0 12px;font-weight:600}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;text-align:center}
#note{font-size:84px;font-weight:600;line-height:1;min-height:76px;letter-spacing:-1px}
#note small{font-size:28px;font-weight:500;color:var(--muted)}
#sub{color:var(--muted);margin-top:6px;min-height:22px;font-variant-numeric:tabular-nums}
.row{display:flex;gap:8px;margin:12px 0;justify-content:center}
.row button{flex:1;min-height:46px;padding:10px 0;border-radius:10px;border:1px solid var(--line);background:var(--card);color:var(--fg);font-size:15px;font-weight:600}
.row button.on{background:var(--accent);border-color:var(--accent);color:#fff}
#go{width:100%;padding:14px;border:0;border-radius:12px;background:var(--accent);color:#fff;font-size:17px;font-weight:600;margin-top:14px}
.lbl{color:var(--muted);font-size:14px;margin:14px 0 4px;text-align:left}
.board{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--card);margin-top:8px}
.board svg{display:block;min-width:640px;width:100%}
#pos{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:12px;min-height:34px}
.chip{padding:6px 12px;border-radius:999px;border:1px solid var(--accent);color:var(--accent);font-weight:600;font-size:14px}
#msg{color:var(--muted);font-size:13px;margin-top:10px;text-align:center}
#microw{display:none;margin-top:14px}
select{width:100%;min-height:46px;padding:10px;border-radius:10px;border:1px solid var(--line);background:var(--card);color:var(--fg);font-size:15px}
#meter{height:8px;border-radius:4px;background:var(--line);margin-top:8px;overflow:hidden}
#meter{position:relative}
#meter div{height:100%;width:0;background:var(--accent);transition:width .06s}
#mark{position:absolute;top:-3px;bottom:-3px;width:2px;background:var(--fg);left:30%}
input[type=range]{width:100%;accent-color:var(--accent)}
#practiceView{display:none}
.tl{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:var(--card)}
.tl>div{position:relative;height:84px;min-width:100%}
.blk{position:absolute;top:6px;height:30px;border-radius:6px;background:var(--tone);color:#fff;font-size:12px;font-weight:600;line-height:30px;padding:0 4px;overflow:hidden;white-space:nowrap;box-sizing:border-box;border-right:2px solid var(--card)}
.nb{height:12px;line-height:12px;font-size:9px;padding:0 2px;background:var(--accent)}
.strl{position:sticky;left:0;width:18px;margin-right:-18px;height:84px;z-index:3;background:var(--card)}
.strl span{position:absolute;left:4px;font-size:11px;color:var(--muted)}
.sl{position:absolute;left:0;right:0;height:1px;background:var(--line)}
.tb{height:18px;line-height:18px;font-size:12px;border-radius:9px;text-align:center;padding:0;border-right:0;top:0}
.ph{position:absolute;top:0;bottom:0;width:2px;background:var(--fg);pointer-events:none}
.sel2{display:flex;gap:8px}
#ptitle{font-size:44px;font-weight:600;letter-spacing:-1px;line-height:1.1}
#tones{display:flex;gap:8px;justify-content:center;margin-top:12px;flex-wrap:wrap}
.tone{min-width:64px;padding:10px 12px;border-radius:12px;border:2px solid var(--line);font-size:20px;font-weight:600;color:var(--muted)}
.tone.root{border-color:var(--rootc)}
.tone.third{border-color:var(--third)}
.tone.next{outline:3px solid var(--fg);outline-offset:2px}
.tone.hit{background:var(--ok);border-color:var(--ok);color:#fff}
#pstat{min-height:44px;margin-top:12px;font-weight:600}
#phear{color:var(--muted);font-size:14px;margin-top:4px;min-height:20px;font-variant-numeric:tabular-nums}
.small{min-height:46px;padding:10px 16px;border-radius:10px;border:1px solid var(--line);background:var(--card);color:var(--fg);font-size:15px;font-weight:600}

:root{--glow:transparent;--onaccent:#ffffff;--t-play:#E7F5EC;--t-prac:#ECEEF2;--t-ok:#E1F3E6;--t-bad:#FBEAEA;--rootc:#D9653F;--d-root:#F9D9CC;--d-root-t:#7A2E14;--d-tone:#D6E5FA;--d-tone-t:#1D3F75;--d-third:#E6DCF8;--d-third-t:#4A2B86;--d-ok:#CDEFD9;--d-ok-t:#1B5E37;--t-songs:#DCEBFA;--t-lib:#ECE6FB;--nav:#1C1E26;--navtxt:#C9CDD6;--navon:#ffffff;--navontxt:#1C1E26}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--glow:transparent;--onaccent:#0E0F11;--rootc:#F2A07B;--d-root:#5A3528;--d-root-t:#FFD9C8;--d-tone:#24384F;--d-tone-t:#D2E3FA;--d-third:#3B2F57;--d-third-t:#E3D7F7;--d-ok:#1F4630;--d-ok-t:#C3F0D5;--t-play:rgba(61,220,151,.08);--t-prac:rgba(255,255,255,.045);--t-ok:rgba(61,220,151,.13);--t-bad:rgba(255,107,107,.12);--t-songs:rgba(90,160,255,.13);--t-lib:rgba(170,150,255,.12);--nav:#26292F;--navtxt:#C9CDD6;--navon:#F4F5F7;--navontxt:#0E0F11}}
:root[data-theme="dark"]{--glow:transparent;--onaccent:#0E0F11;--rootc:#F2A07B;--d-root:#5A3528;--d-root-t:#FFD9C8;--d-tone:#24384F;--d-tone-t:#D2E3FA;--d-third:#3B2F57;--d-third-t:#E3D7F7;--d-ok:#1F4630;--d-ok-t:#C3F0D5;--t-play:rgba(61,220,151,.08);--t-prac:rgba(255,255,255,.045);--t-ok:rgba(61,220,151,.13);--t-bad:rgba(255,107,107,.12);--t-songs:rgba(90,160,255,.13);--t-lib:rgba(170,150,255,.12);--nav:#26292F;--navtxt:#C9CDD6;--navon:#F4F5F7;--navontxt:#0E0F11}:root[data-theme="light"]{--glow:transparent;--onaccent:#ffffff;--t-play:#E7F5EC;--t-prac:#ECEEF2;--t-ok:#E1F3E6;--t-bad:#FBEAEA;--rootc:#D9653F;--d-root:#F9D9CC;--d-root-t:#7A2E14;--d-tone:#D6E5FA;--d-tone-t:#1D3F75;--d-third:#E6DCF8;--d-third-t:#4A2B86;--d-ok:#CDEFD9;--d-ok-t:#1B5E37;--t-songs:#DCEBFA;--t-lib:#ECE6FB;--nav:#1C1E26;--navtxt:#C9CDD6;--navon:#ffffff;--navontxt:#1C1E26}
body{background:radial-gradient(900px 420px at 15% -10%,var(--glow),transparent 70%) no-repeat,var(--bg);padding:12px 16px 170px;max-width:640px}
.hdr{display:flex;align-items:center;gap:8px;margin:4px 0 16px}.hdr h1{flex:1;margin:0;font:600 34px/1 'Plus Jakarta Sans',-apple-system,system-ui,sans-serif}
.hdr select{width:auto;flex:0 0 auto}
.pill,.small,.row button,select{min-height:46px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--fg);font:600 15px -apple-system,system-ui,sans-serif;padding:0 16px}
.icon{width:46px;padding:0;display:grid;place-items:center}
.row{gap:8px;margin:12px 0}
.row button.on,.primary{background:var(--accent)!important;border-color:var(--accent)!important;color:var(--onaccent)!important}
.card{border-radius:22px;padding:20px}
#note{font-size:96px;min-height:96px}
.gauge{position:relative;height:6px;border-radius:3px;background:var(--line);margin:16px auto 4px;max-width:300px}
.gauge i{position:absolute;left:50%;top:-6px;width:2px;height:18px;background:var(--fg)}
#gdot{position:absolute;top:-4px;left:50%;width:14px;height:14px;margin-left:-7px;border-radius:50%;background:var(--muted);transition:left .1s}
.lbl{font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;margin:22px 0 8px}
.board{border-radius:18px}
.chip{border-radius:999px;border:1.5px solid var(--ok);color:var(--ok);padding:7px 14px}
.view{display:none}#detectView{display:block}#practiceView{display:none}
#microw{display:block;margin-top:0}
.dock{position:fixed;left:0;right:0;bottom:calc(61px + env(safe-area-inset-bottom,0px));padding:8px 16px;pointer-events:none;z-index:4}
.dock>*{pointer-events:auto;max-width:608px;margin-inline:auto}
#go{display:block;width:100%;min-height:52px;margin-top:0;border-radius:999px;font:600 19px 'Plus Jakarta Sans',-apple-system,system-ui,sans-serif;box-shadow:0 6px 18px rgba(0,0,0,.25);color:var(--onaccent)}
#msg{font-size:13px;margin:0 0 6px;min-height:0}
.tabbar{position:fixed;left:0;right:0;bottom:0;display:flex;background:var(--card);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom,0px);z-index:5}
.tabbar button{flex:1;min-height:60px;border:0;background:none;color:var(--muted);font:600 18px 'Plus Jakarta Sans',-apple-system,system-ui,sans-serif;position:relative}
.tabbar button.on{color:var(--fg)}.tabbar button.on::before{content:"";position:absolute;top:0;left:32%;right:32%;height:3px;border-radius:2px;background:var(--accent)}
.tabbar button:disabled{opacity:.4}
.songbar{display:flex;align-items:center;gap:12px;margin-bottom:12px}.songbar>div{flex:1;min-width:0}
.st{font:600 24px 'Plus Jakarta Sans',-apple-system,system-ui,sans-serif;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ss{color:var(--muted);font-size:14px;font-variant-numeric:tabular-nums}
#tnow{font-size:30px}
.more{margin-top:18px;border-top:1px solid var(--line);padding-top:6px}.more summary{cursor:pointer;font-weight:600;padding:12px 0;min-height:44px}
.filebtn{display:flex;align-items:center;justify-content:center;flex:1;cursor:pointer;font-weight:600;position:relative}
.vh{position:absolute;opacity:0;width:1px;height:1px;overflow:hidden}
.libc{text-align:left;margin-bottom:12px}.libc .row{margin:12px 0 0}
.fine{color:var(--muted);font-size:13px}
.fld{width:100%;min-height:46px;border-radius:14px;border:1px solid var(--line);background:var(--card);color:var(--fg);font:15px -apple-system,system-ui,sans-serif;padding:10px 14px;box-sizing:border-box}
textarea.fld{font:14px/1.5 ui-monospace,Menlo,monospace;resize:vertical}

body{background:var(--bg);font-family:'Plus Jakarta Sans',-apple-system,system-ui,sans-serif;padding:12px 16px 200px}
.pill,.small,.row button,select{font-weight:500}
.card{border-radius:28px;border:1px solid var(--line);box-shadow:none}
#detectView .card{background:var(--t-prac);border-color:transparent;transition:background .3s}
#dcard.ok{background:var(--t-ok)}#dcard.bad{background:var(--t-bad)}
#practiceView .card{background:var(--t-prac);border-color:transparent;transition:background .3s}
#pcard.ok{background:var(--t-ok)}#pcard.bad{background:var(--t-bad)}
.songbar{background:var(--t-songs);border-radius:28px;padding:16px 18px}
#libraryView>.card:first-of-type{background:var(--t-lib);border-color:transparent}
#note,#ptitle{font-weight:600}
.st{font-weight:600}
.tabbar{left:50%;right:auto;bottom:calc(14px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);gap:6px;padding:8px;border:0;border-radius:999px;background:var(--nav);box-shadow:0 12px 30px rgba(20,22,30,.22)}
.tabbar button{flex:0 0 auto;min-height:48px;min-width:48px;padding:0;border-radius:999px;display:flex;align-items:center;justify-content:center;gap:8px;color:var(--navtxt);background:rgba(255,255,255,.07);font:500 15px 'Plus Jakarta Sans',-apple-system,system-ui,sans-serif;transition:padding .2s,background .2s}
.tabbar button span{display:none}
.tabbar button.on{padding:0 18px;background:var(--navon);color:var(--navontxt)}.tabbar button.on span{display:inline}
.tabbar button.on::before{display:none}
.dock{bottom:calc(84px + env(safe-area-inset-bottom,0px));text-align:center}
#go{position:relative;width:96px;height:96px;min-height:0;padding:0;border:0;border-radius:50%;margin:0 auto;background:transparent;box-shadow:none;overflow:visible;color:#fff}
#orbc{position:absolute;left:-22px;top:-22px;width:140px;height:140px;filter:blur(9px);-webkit-mask-image:radial-gradient(circle,#000 50%,transparent 70%);mask-image:radial-gradient(circle,#000 50%,transparent 70%);pointer-events:none}
#golbl{position:relative;font:500 15px 'Plus Jakarta Sans',-apple-system,system-ui,sans-serif;text-shadow:0 1px 6px rgba(0,0,0,.3)}
#go:focus-visible{outline:3px solid var(--accent);outline-offset:6px}
#scrim{position:fixed;inset:0;background:rgba(10,12,18,.45);opacity:0;pointer-events:none;transition:opacity .25s;z-index:20}
#scrim.open{opacity:1;pointer-events:auto}
.sheet{position:fixed;top:0;right:0;bottom:0;width:min(360px,88vw);background:var(--card);border-radius:28px 0 0 28px;box-shadow:-12px 0 40px rgba(0,0,0,.25);z-index:21;transform:translateX(105%);transition:transform .28s ease;overflow-y:auto;padding:calc(18px + env(safe-area-inset-top,0px)) 18px calc(24px + env(safe-area-inset-bottom,0px));display:block!important}
.sheet.open{transform:none}
.sheethead{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.sheethead h2{margin:0;font:600 26px 'Plus Jakarta Sans',-apple-system,system-ui,sans-serif}
.sheet .card{background:var(--bg)}

#go{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;width:auto;min-width:160px;height:56px;padding:0 24px;margin:0 auto;border:0;border-radius:999px;
  background:var(--accent);color:var(--onaccent);box-shadow:0 8px 22px rgba(20,22,30,.18);transition:min-width .25s,height .25s,background .25s}
#go #golbl{font:500 16px 'Plus Jakarta Sans',-apple-system,system-ui,sans-serif;text-shadow:none;position:relative}
#go .micico{position:relative}
#orbc{left:50%;top:50%;transform:translate(-50%,-50%);opacity:0;transition:opacity .35s}
#go.live{min-width:96px;width:96px;height:96px;padding:0;background:transparent;box-shadow:none}
#go.live #orbc{opacity:1}
#go.live .micico{display:none}
#go.live #golbl{background:rgba(14,15,17,.5);color:#fff;padding:5px 14px;border-radius:999px;font-size:15px}
.board{padding:4px 8px 0}
@media (prefers-reduced-motion:reduce){.sheet,#scrim,.tabbar button,#go,#orbc{transition:none}}

#go.live{display:none}
#lpanel{display:none;max-width:560px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:24px;box-shadow:0 12px 32px rgba(20,22,30,.16);padding:12px 14px 12px 18px;text-align:left}
#lpanel.show{display:block;animation:lpIn .25s ease}
.lp-top{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);min-height:20px}
.lp-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);animation:lpPulse 1.6s ease-in-out infinite}
#ltitle{color:var(--fg);font-weight:600}
.lp-mic{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lp-note{color:var(--fg);font-weight:600;font-variant-numeric:tabular-nums}
.lp-row{display:flex;align-items:center;gap:12px;margin-top:6px}
#lwave{flex:1;min-width:0;height:46px;display:block}
#lstop{flex:0 0 auto;width:48px;height:48px;border-radius:50%;border:2px solid var(--line);background:var(--card);display:grid;place-items:center;cursor:pointer}
#lstop span{width:16px;height:16px;border-radius:4px;background:var(--fg)}
#lstop:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
@keyframes lpIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@keyframes lpPulse{50%{opacity:.3}}
@media (prefers-reduced-motion:reduce){#lpanel.show,.lp-dot{animation:none}}
body{padding-bottom:240px}
.seekwrap{position:relative;margin-top:10px}#tband{position:absolute;top:50%;height:10px;margin-top:-5px;border-radius:5px;background:var(--accent);opacity:.25;pointer-events:none;display:none}
.nudge button{min-height:40px;font-size:14px}

.hdr{position:relative}
.instbtn{display:inline-flex;align-items:center;gap:8px;padding:0 14px 0 12px}
.instbtn{--cut:var(--card)}.instbtn #instico{display:inline-flex;color:var(--fg)}
#instpop{position:absolute;right:16px;top:74px;z-index:30;width:min(320px,calc(100vw - 32px));background:var(--card);border:1px solid var(--line);border-radius:24px;box-shadow:0 16px 40px rgba(20,22,30,.18);padding:14px}
#instpop[hidden]{display:none}
body{position:relative}
.ipgrid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.itile{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;min-height:118px;border-radius:20px;border:1.5px solid var(--line);background:var(--bg);color:var(--fg);font:500 15px 'Plus Jakarta Sans',-apple-system,system-ui,sans-serif;cursor:pointer}
.itile{--cut:var(--bg)}.itile svg{color:var(--muted)}
.itile.on{border:2px solid var(--accent);background:var(--card);color:var(--fg);--cut:var(--card)}
.itile.on svg{color:var(--accent)}
.itile:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

/* ---- timing readout (Practice, under the metronome row) ---- */
.tread{margin-top:8px;padding:12px 14px;border:1px solid var(--line);border-radius:16px;background:var(--card);text-align:center}
.tlast{font-size:24px;font-weight:700;min-height:30px;line-height:1.2}
.tlast.ok,.tcal-ok{color:var(--ok)} .tlast.bad{color:var(--bad)}
.warn,.tlast.warn{color:#A8730B}
:root[data-theme="dark"] .warn,:root[data-theme="dark"] .tlast.warn{color:#E8C25A}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .warn,:root:not([data-theme="light"]) .tlast.warn{color:#E8C25A}}
.tstrip{position:relative;height:28px;margin:10px 0 8px;border-radius:8px;background:var(--line);background:color-mix(in srgb,var(--dim) 35%,transparent)}
.tstrip .tmid{position:absolute;left:50%;top:0;bottom:0;width:2px;background:var(--muted);transform:translateX(-1px)}
.tstrip .tdot{position:absolute;top:50%;width:9px;height:9px;border-radius:50%;transform:translate(-50%,-50%)}
.tstrip .tdot.ok{background:var(--ok)} .tstrip .tdot.warn{background:#D9A441} .tstrip .tdot.bad{background:var(--bad)}

/* ---- tuner tab ---- */
:root{--yel:#D9A400}
:root[data-theme="dark"]{--yel:#F2CC4D}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--yel:#F2CC4D}}
.tuner{position:relative;padding:18px 14px 16px;transition:background .25s,border-color .25s}
.tuner.intune{background:color-mix(in srgb,var(--ok) 14%,var(--card));border-color:var(--ok)}
.tuner.intune .tnote,.tuner.intune .twords{color:var(--ok)}
.tref{position:absolute;top:10px;right:12px;min-height:0;padding:4px 9px;border:1px solid var(--line);border-radius:999px;background:transparent;color:var(--muted);font-size:12px;font-weight:600}
.trefbox[hidden]{display:none}
.trefbox{display:flex;align-items:center;justify-content:center;gap:14px;margin:0 0 6px;font-weight:600}
.trefbox .small{min-height:40px;min-width:48px;padding:0}
.tmeter{display:block;width:100%;height:96px;margin:18px 0 4px}
.tnote{font-size:84px;font-weight:700;line-height:1;margin-top:6px;transition:color .2s}
.tstringlbl{color:var(--muted);font-size:16px;margin-top:8px}
.twords{font-size:22px;font-weight:600;min-height:28px;margin-top:4px;transition:color .2s}
.twords small{color:var(--muted);font-size:14px;font-weight:500;margin-left:6px}
.twords .tdo{display:block;font-size:17px;font-weight:500;color:var(--fg);margin-top:2px}
.tuner.intune .twords .tdo{color:var(--ok)}
.tstart{display:block;width:100%;min-height:56px;margin-top:14px;border:0;border-radius:999px;background:var(--accent);color:#fff;font:600 19px 'Plus Jakarta Sans',-apple-system,system-ui,sans-serif}
.tstart.on{background:var(--muted)}
#tstrings{flex-wrap:wrap}#tstrings button{flex:1 1 0;min-width:44px}
body.tuner-tab #go,body.tuner-tab #lpanel{display:none}
@media (max-width:380px){.tabbar{gap:4px;padding:6px}.tabbar button{min-width:44px;min-height:44px}.tabbar button.on{padding:0 14px}}