:root{font-family:'DM Sans',system-ui,-apple-system,sans-serif;color:#203333;background:#f5f8f8;font-synthesis:none;--teal:#087f78;--teal-light:#e4f5f0;--coral:#db644f;--ink:#203333;--muted:#617875;--line:#dae5e2;--paper:#fff;letter-spacing:0;color-scheme:light}
*{box-sizing:border-box}body{margin:0;font-size:17px;line-height:1.55}button,input,select,textarea{font:inherit;letter-spacing:0}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}a{color:var(--teal)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #edae37;outline-offset:3px}button{border:0;background:none;color:inherit}svg{width:21px;height:21px;flex-shrink:0;stroke-width:1.8}h1,h2,h3,p{margin:0}h1{font-size:30px;line-height:1.2}h2{font-size:25px;line-height:1.3}h3{font-size:18px;font-weight:600}[hidden]{display:none!important}.shell{display:grid;grid-template-columns:234px minmax(0,1fr);min-height:100vh}.sidebar{padding:34px 22px;border-right:1px solid var(--line);background:#fff;position:fixed;inset:0 auto 0 0;width:234px;display:flex;flex-direction:column;z-index:4}.brand{display:flex;align-items:center;gap:11px;color:var(--ink);text-decoration:none;font-size:30px;font-weight:700}.brand img{height:40px;width:40px;object-fit:contain}.brand-note{display:block;font-size:11px;color:var(--muted);font-weight:500;white-space:nowrap}nav{display:grid;gap:9px;margin-top:54px}.nav-item{display:flex;align-items:center;gap:13px;text-align:left;padding:13px 14px;border-radius:7px;font-size:16px;font-weight:600;min-height:50px}.nav-item:hover{background:#f3f8f6}.nav-item.selected{color:var(--teal);background:var(--teal-light)}.sidebar-bottom{margin-top:auto;font-size:12px;color:var(--muted);display:grid;gap:18px}.local-label{display:flex;align-items:center;gap:8px}.local-label svg{width:16px}.sidebar-bottom a{margin-right:15px;color:var(--muted);text-decoration:none}main{grid-column:2;padding:38px 42px 115px;min-width:0;max-width:1550px;width:100%;margin:auto}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:30px;gap:20px}.eyebrow{display:block;font-size:11px;font-weight:700;color:var(--muted);margin-bottom:7px}.today{display:flex;align-items:center;gap:8px;color:#986315;font-size:14px;background:#fff4d9;padding:9px 13px;border-radius:6px;white-space:nowrap}.today svg{color:#c8891d}.notice{margin-bottom:20px;padding:12px 15px;border-left:3px solid var(--coral);background:#fff0ea;border-radius:0 4px 4px 0;font-size:15px}.practice-grid{display:grid;grid-template-columns:minmax(0,1fr) 282px;gap:30px}.workspace{min-width:0;background:#fff;padding:26px;border:1px solid var(--line);border-radius:8px}.track-head{display:flex;align-items:center;gap:16px;min-width:0}.track-head>div{flex:1;min-width:0}.track-head h2{overflow-wrap:anywhere}.track-head img{width:82px;height:82px;object-fit:cover;border-radius:6px;background:#edf8f6}.track-head p{font-size:14px;margin-top:4px;color:var(--muted)}.icon-button{display:inline-flex;justify-content:center;align-items:center;min-width:42px;width:42px;height:42px;border:1px solid var(--line);border-radius:6px;background:white}.icon-button:hover{background:#eaf6f2}.icon-button[aria-pressed=true]{background:var(--teal-light);border-color:var(--teal);color:var(--teal)}.track-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:22px 0;font-size:12px;color:var(--muted)}.track-meta>span{padding:4px 9px;border-radius:4px;background:#f1f5f4}.track-meta .evidence{color:#986315;background:#fff4d9}.track-meta .verified{color:var(--teal);background:var(--teal-light)}.vocal-label{margin-left:auto;display:flex;align-items:center;gap:7px}select{border:1px solid var(--line);border-radius:5px;background:white;padding:5px 8px;max-width:100%;font-size:14px;color:var(--ink)}.transport{display:flex;gap:12px;align-items:center}.transport span{font-size:13px;white-space:nowrap;font-variant-numeric:tabular-nums}.play-button{width:54px;height:54px;border-radius:50%;color:white;background:var(--teal);display:grid;place-items:center;flex-shrink:0}.play-button svg{height:24px;width:24px}.play-button:hover{background:#056b66}input[type=range]{accent-color:var(--teal);min-width:0;cursor:pointer;height:24px}.transport input{flex:1;width:70px}.speed-row{display:flex;align-items:center;gap:15px;padding:22px 0;border-bottom:1px solid var(--line);font-size:13px}.speed-row label{min-width:122px}.speed-row strong{color:var(--teal);margin-left:8px}.speed-row input{flex:1;width:80px}.speed-row>span{min-width:62px;font-variant-numeric:tabular-nums;text-align:right}.mode-row{display:flex;background:#f2f6f4;border-radius:6px;padding:4px;gap:4px;margin:24px 0}.mode-row button{flex:1;padding:8px;display:flex;align-items:center;justify-content:center;gap:8px;border-radius:4px;font-size:15px;color:var(--muted)}.mode-row .selected{background:#fff;color:var(--teal);box-shadow:0 1px 3px #153c3015}.section-title{display:flex;align-items:center;justify-content:space-between;gap:12px}.section-title>span{font-size:12px;color:var(--muted)}.pulse-lane{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:14px}.beat{height:68px;border:1px solid var(--line);border-radius:6px;background:#fafcfb;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#7b908a;font-size:22px;transition:background .08s}.beat small{font-size:10px}.beat.active{background:var(--teal);color:white;border-color:var(--teal)}.beat.count-in.active{background:var(--coral);border-color:var(--coral)}.lyric-stage{min-height:134px;padding:29px 0 21px;display:flex;flex-direction:column;gap:14px;justify-content:center}#current-lyric{font-size:23px;line-height:1.8;font-weight:600;overflow-wrap:anywhere}#next-lyric{font-size:15px;color:var(--muted)}ruby{ruby-position:over}rt{font-size:10px;color:var(--muted);font-weight:400}.singing{color:var(--coral)}.text-button{color:var(--teal);font-size:13px;font-weight:600;padding:7px 0}.phrases{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px;max-height:200px;overflow:auto}.phrase{padding:9px 12px;border:1px solid var(--line);border-radius:5px;font-size:13px;text-align:left;max-width:100%;overflow-wrap:anywhere}.phrase span{font-size:11px;color:var(--muted);display:block}.phrase.selected{border-color:var(--teal);background:var(--teal-light);color:var(--teal)}.practice-aside{min-width:0;display:flex;flex-direction:column;gap:22px}.lesson-section{border-top:3px solid var(--coral);padding-top:16px}.lesson-section h2{font-size:23px;margin-bottom:13px}.lesson-section p{font-size:15px;color:var(--muted)}.lesson-section ol{padding-left:22px;font-size:14px;line-height:1.7;margin:15px 0 19px}.lesson-section li{padding-left:3px;margin-bottom:9px}.primary-button{background:var(--teal);color:white;padding:11px 15px;border-radius:6px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-size:14px;font-weight:600;min-height:44px}.primary-button:hover{background:#056b66}.chord-section{border-top:1px solid var(--line);padding-top:18px}.chord-name{font-size:45px;line-height:1.3;display:block;margin:6px 0 8px;color:var(--teal)}.fretboard{position:relative;height:146px;margin:16px 14px 25px 24px;--strings:5;--frets:4;background:repeating-linear-gradient(to right,transparent 0,transparent calc(20% - 1px),#b6c9c2 calc(20% - 1px),#b6c9c2 20%),repeating-linear-gradient(to bottom,transparent 0,transparent calc(25% - 1px),#bdcfc9 calc(25% - 1px),#bdcfc9 25%);border-left:1px solid #b6c9c2;border-top:4px solid #597a70;border-right:1px solid #b6c9c2}.fret-dot{position:absolute;transform:translate(-50%,-50%);height:23px;width:23px;display:grid;place-items:center;border-radius:50%;background:var(--teal);color:white;font-size:12px;font-weight:600}.string-mark{position:absolute;top:-29px;transform:translateX(-50%);font-size:13px;color:var(--muted)}.fretboard.empty{background:none;border:none;display:grid;place-items:center;font-size:14px;color:var(--muted);text-align:center;height:130px}.muted{color:var(--muted);font-size:14px}.chord-controls{display:flex;justify-content:space-between;gap:12px;margin-top:12px;font-size:12px;flex-wrap:wrap}.chord-controls label{display:flex;align-items:center;gap:6px}input[type=checkbox]{accent-color:var(--teal);width:16px;height:16px}.tap-section{display:flex;align-items:center;gap:20px;padding:0 0 24px}.tap-button{min-width:96px;height:86px;background:#f9e6df;border:1px solid #ecc7ba;border-radius:7px;display:flex;align-items:center;justify-content:center;gap:9px;color:#a24a36;touch-action:manipulation}.tap-button:active{background:var(--coral);color:white}.tap-section p{font-size:12px;color:var(--muted);margin-top:5px}.practice-footer{position:fixed;bottom:0;right:0;left:234px;background:#ffffffed;border-top:1px solid var(--line);backdrop-filter:blur(8px);padding:14px 42px;display:flex;align-items:center;justify-content:space-between;z-index:3}.practice-footer>div{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--muted)}.practice-footer>div svg{color:var(--teal)}.library-toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:22px}.search{display:flex;align-items:center;gap:10px;background:white;padding:10px 14px;border:1px solid var(--line);border-radius:6px;min-width:0}.search input{border:0;outline:none;background:none;width:100%;min-width:0}.library-toolbar>span{font-size:13px;color:var(--muted);white-space:nowrap}.library-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px}.song-card{text-align:left;padding:0 0 16px;background:white;border:1px solid var(--line);border-radius:7px;overflow:hidden}.song-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#e4f5f0;display:block}.song-card h3{margin:14px 16px 4px;font-size:17px;overflow-wrap:anywhere}.song-card p{font-size:12px;color:var(--muted);margin:0 16px}.song-card:hover{border-color:var(--teal);box-shadow:0 3px 12px #19362c0b}.history-item{display:grid;grid-template-columns:1fr auto;gap:10px;padding:19px 0;border-bottom:1px solid var(--line)}.history-item p{color:var(--muted);font-size:13px;margin-top:4px}.danger{color:#b94b45;margin-top:20px}.create-layout{display:grid;grid-template-columns:minmax(0,620px) minmax(160px,1fr);gap:44px}.create-layout form{display:grid;gap:20px}.create-layout label{display:grid;gap:6px;font-size:14px;font-weight:600}.create-layout textarea,.create-layout input{width:100%;border:1px solid var(--line);border-radius:5px;padding:11px 13px;background:white;color:var(--ink);resize:vertical}.create-layout textarea{font-weight:400;min-height:90px}.create-layout aside{border-left:1px solid var(--line);padding-left:25px;margin-top:60px}.create-layout aside p{font-size:14px;color:var(--muted);margin-top:13px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}.create-layout .primary-button{justify-self:start}.empty-message{padding:36px 0;color:var(--muted)}
@media(min-width:1600px){main{padding-right:65px;padding-left:65px}.practice-grid{grid-template-columns:minmax(0,1fr) 320px}.workspace{padding:32px}.pulse-lane .beat{height:85px}}
@media(max-width:1150px){.sidebar{width:194px;padding:25px 16px}.shell{grid-template-columns:194px minmax(0,1fr)}main{padding:26px 23px 110px}.practice-grid{grid-template-columns:minmax(0,1fr) 242px;gap:20px}.workspace{padding:19px}.practice-footer{left:194px;padding:13px 23px}.track-head img{width:63px;height:63px}.track-head h2{font-size:21px}.transport{gap:9px}.transport #restart{display:none}.vocal-label{margin-left:0}.brand{font-size:27px}.brand-note{font-size:9px}.create-layout{gap:22px}}
@media(max-width:900px){.practice-grid{grid-template-columns:1fr}.practice-aside{display:grid;grid-template-columns:1fr 1fr;gap:30px}.chord-section{border-top:3px solid var(--teal);padding-top:16px}.chord-name{font-size:36px}.fretboard{max-width:230px}.create-layout{grid-template-columns:1fr}.create-layout aside{margin-top:0;border-left:0;border-top:1px solid var(--line);padding:20px 0}}
@media(max-width:620px){body{font-size:17px}.shell{display:block}.sidebar{position:static;width:auto;padding:15px 18px 0;border-right:0;border-bottom:1px solid var(--line);display:block}.brand{font-size:26px}.brand img{height:35px;width:35px}.brand-note{display:none}nav{display:flex;margin-top:14px;gap:3px}.nav-item{flex:1;padding:9px 3px;font-size:11px;min-height:52px;flex-direction:column;gap:4px;border-radius:5px 5px 0 0}.nav-item svg{width:20px;height:20px}.sidebar-bottom{display:none}main{padding:23px 16px 110px}.page-header{margin-bottom:20px}h1{font-size:26px}.eyebrow{font-size:10px}.today{font-size:12px;padding:7px 9px}.workspace{padding:17px 15px}.track-head{gap:12px}.track-head img{width:58px;height:58px}.track-head h2{font-size:20px}.track-head .eyebrow{font-size:9px}.track-head .icon-button{min-width:34px;width:34px;height:38px}.track-meta{margin:18px 0;font-size:11px;gap:7px}.track-meta>span{padding:4px 6px}.vocal-label{font-size:11px}.vocal-label select{font-size:12px;max-width:160px}.transport{gap:8px}.play-button{width:46px;height:46px}.transport #loop{min-width:34px;width:34px;height:36px}.transport span{font-size:11px}.speed-row{gap:10px;font-size:12px;padding:18px 0}.speed-row label{min-width:105px}.speed-row>span{min-width:50px}.mode-row{margin:20px 0}.mode-row button{font-size:14px;gap:6px}.mode-row svg{width:17px}.beat{height:66px;font-size:23px}.lyric-stage{min-height:118px;padding:24px 0 18px}#current-lyric{font-size:22px}.practice-aside{grid-template-columns:1fr;gap:25px}.lesson-section{padding:17px 0 0}.lesson-section h2{font-size:23px}.lesson-section p,.lesson-section ol{font-size:16px}.lesson-section .primary-button{width:100%}.chord-section{padding-bottom:12px}.chord-name{font-size:42px}.fretboard{max-width:none;width:230px;margin-left:auto;margin-right:auto}.chord-controls{font-size:14px}.practice-footer{left:0;padding:12px 16px}.practice-footer>div{font-size:12px}.practice-footer .primary-button{font-size:13px;padding:9px 12px}.library-grid{grid-template-columns:1fr 1fr;gap:12px}.song-card h3{font-size:15px;margin:10px 10px 5px}.song-card p{margin:0 10px}.library-toolbar{gap:10px}.search{padding:9px 11px;font-size:15px}.library-toolbar>span{font-size:11px}.tap-section{gap:15px}.create-layout textarea{font-size:16px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
.legal-page{max-width:780px;margin:0 auto;padding:40px 22px}.legal-page h1{margin:28px 0 18px}.legal-page h2{font-size:21px;margin:28px 0 12px}.legal-page p{margin-bottom:16px}
.pulse-lane.unmetered{grid-template-columns:1fr}.unmetered .beat{font-size:16px;height:54px}