@import "https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Manrope:wght@400;500;600;700;800&display=swap";:root{color:#17201d;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;background:#f4f6f1;font-family:Manrope,sans-serif}*{box-sizing:border-box}body{min-width:320px;margin:0}button,input{font:inherit}button{cursor:pointer}:root{--ink:#17201d;--muted:#6d7872;--line:#dce2da;--paper:#fff;--green:#2f6f57;--mint:#dcefe4;--orange:#ee7d48}.app-shell{background:#f4f6f1;max-width:1440px;min-height:100vh;margin:auto;padding:0 5.5vw}.topbar{border-bottom:1px solid var(--line);align-items:center;gap:46px;height:84px;display:flex}.brand-mark{letter-spacing:-.7px;font-size:19px;font-weight:800}.brand-mark span{color:#fff;background:var(--green);border-radius:8px;place-items:center;width:28px;height:28px;margin-right:7px;font-family:DM Mono,monospace;font-size:15px;display:inline-grid}.topbar nav{gap:24px;height:100%;display:flex}.nav-link{color:var(--muted);background:0 0;border:0;font-size:13px;font-weight:700}.nav-link.active{color:var(--ink);border-bottom:2px solid var(--green)}.streak{color:var(--muted);margin-left:auto;font-size:12px;font-weight:700}.streak-dot{background:var(--orange);border-radius:50%;width:8px;height:8px;margin-right:6px;display:inline-block}.welcome-row{justify-content:space-between;align-items:end;padding:54px 0 32px;display:flex}.eyebrow,.pattern-label,.section-label,.phrase-heading span{color:var(--muted);letter-spacing:.8px;text-transform:uppercase;font-family:DM Mono,monospace;font-size:10px}.welcome-row h1{letter-spacing:-2.4px;max-width:500px;margin:11px 0 0;font-size:clamp(28px,3.5vw,47px);line-height:1.05}.progress-note{color:var(--muted);align-items:center;gap:12px;font-size:12px;display:flex}.progress-note strong,.progress-note small{display:block}.progress-note small{margin-top:3px}.progress-ring{border:3px solid var(--green);width:48px;height:48px;color:var(--green);border-left-color:#b8d7c5;border-radius:50%;place-items:center;font-family:DM Mono,monospace;font-size:11px;display:grid}.search-wrap{z-index:3;position:relative}.search-field{border:1px solid var(--line);background:var(--paper);border-radius:8px;align-items:center;height:56px;padding:0 17px;display:flex;box-shadow:0 8px 24px #21352b08}.search-icon{color:#7d8b81;border:1px solid #aab7ae;border-radius:50%;place-items:center;width:24px;height:24px;margin-right:10px;font-family:DM Mono,monospace;font-size:12px;display:inline-grid;transform:rotate(-45deg)}.search-field input{color:var(--ink);background:0 0;border:0;outline:0;flex:1;font-size:14px}.search-field input::placeholder{color:#9aa39e}.search-field kbd{border:1px solid var(--line);color:#88938c;border-radius:4px;padding:5px 7px;font-family:DM Mono,monospace;font-size:10px}.search-results{border:1px solid var(--line);background:#fff;border-radius:8px;padding:6px;position:absolute;top:62px;left:0;right:0;box-shadow:0 14px 30px #21352b18}.search-results button{text-align:left;background:0 0;border:0;justify-content:space-between;width:100%;padding:12px;display:flex}.search-results button:hover{background:#f3f7f2}.search-results span{color:var(--muted);font-size:12px}.workspace{grid-template-columns:280px 1fr;gap:52px;padding:45px 0 70px;display:grid}.section-label{justify-content:space-between;margin-bottom:14px;display:flex}.count{width:20px;height:20px;color:var(--green);background:var(--mint);border-radius:50%;place-items:center;font-size:10px;display:grid}.lesson-card{text-align:left;background:0 0;border:1px solid #0000;border-radius:8px;align-items:center;width:100%;margin-bottom:4px;padding:10px 8px;display:flex}.lesson-card.selected{background:#e8f3eb;border-color:#c6ddd0}.lesson-art{color:#fff;background:#476b5a;border-radius:6px;place-items:center;width:43px;height:43px;margin-right:11px;font-size:21px;font-weight:800;display:grid}.lesson-card:nth-of-type(3) .lesson-art{background:#d87950}.lesson-card:nth-of-type(4) .lesson-art{background:#b3a47a}.lesson-copy{flex:1;min-width:0}.lesson-copy strong,.lesson-copy small,.lesson-copy em{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.lesson-copy strong{font-size:12px}.lesson-copy small{color:var(--muted);margin:2px 0 7px;font-size:11px}.lesson-copy em{color:var(--green);font-size:9px;font-style:normal;font-weight:700}.lesson-copy i{color:#a4b2a9;font-style:normal}.chevron{color:#89968e;font-size:22px}.empty-state{color:var(--muted);font-size:12px;line-height:1.5}.tip{color:var(--muted);gap:9px;padding-top:34px;display:flex}.tip-icon{border:1px solid #a3b1a7;border-radius:50%;place-items:center;min-width:17px;height:17px;font-family:DM Mono,monospace;font-size:10px;display:grid}.tip strong{color:var(--ink);font-size:11px}.tip p{margin:4px 0;font-size:10px;line-height:1.5}.lesson-stage{min-width:0}.stage-head{justify-content:space-between;align-items:end;margin-bottom:26px;display:flex}.stage-head h2{letter-spacing:-1.2px;margin:10px 0 8px;font-size:27px}.stage-meta{color:var(--muted);margin:0;font-size:11px}.stage-meta>span{margin:0 7px}.license-note{color:var(--green);margin-top:7px;font-family:DM Mono,monospace;font-size:9px;display:block}.difficulty-dot{background:var(--orange);border-radius:50%;width:7px;height:7px;margin:0 3px 1px 0;display:inline-block}.mode-switch{gap:17px;display:flex}.mode-switch button{color:var(--muted);background:0 0;border:0;border-bottom:2px solid #0000;padding:8px 0;font-size:11px;font-weight:700}.mode-switch button.active{border-color:var(--green);color:var(--green)}.tab-viewer{border:1px solid var(--line);background:var(--paper);border-radius:9px;padding:24px}.lesson-toolbar{align-items:center;gap:12px;display:flex}.tempo-control{align-items:center;gap:8px;display:flex}.tempo-control button,.icon-button{border:1px solid var(--line);width:25px;height:25px;color:var(--muted);background:#fff;border-radius:50%}.tempo-control strong{align-items:baseline;gap:4px;font-family:DM Mono,monospace;font-size:16px;display:flex}.tempo-control small{color:var(--muted);font-family:Manrope,sans-serif;font-size:8px}.play-button,.listen-button,.primary-button{color:#fff;background:var(--green);border:0;border-radius:5px;font-size:11px;font-weight:700}.play-button{margin-left:auto;padding:10px 15px}.play-button span{margin-right:8px;font-size:9px}.play-button.playing{background:#b55c3d}.icon-button{border:0;border-radius:0;width:auto;margin-left:8px;font-weight:700}.phrase-heading{justify-content:space-between;align-items:center;margin:32px 0 15px;display:flex}.phrase-heading strong{font-size:11px}.tab-grid{border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:repeat(4,1fr);display:grid}.tab-cell{border-right:1px solid var(--line);min-height:120px;padding:17px 13px 12px;position:relative}.tab-cell:last-child{border-right:0}.tab-cell.current{background:#f4f8f2}.bar-number{color:#a0aaa3;margin-bottom:11px;font-family:DM Mono,monospace;font-size:9px;display:block}.tab-cell strong{color:var(--green);font-size:16px}.frets{color:var(--ink);gap:3px;margin:18px 0 8px;font-family:DM Mono,monospace;font-size:16px;display:flex}.frets span{text-align:center;border-bottom:1px solid #b9c5bc;min-width:20px;padding:2px 3px}.tab-cell small{color:var(--muted);font-size:9px}.pattern-row{justify-content:space-between;align-items:center;padding:19px 0;display:flex}.pattern-row strong{margin-top:6px;font-size:12px;display:block}.strum-arrows{color:var(--green);gap:12px;font-family:DM Mono,monospace;font-size:22px;display:flex}.strum-arrows .up{color:var(--orange)}.next-step{background:#f4f6f1;border-radius:6px;align-items:center;gap:13px;padding:14px;display:flex}.next-number{width:25px;height:25px;color:var(--green);border:1px solid #b9c8bc;border-radius:50%;place-items:center;font-family:DM Mono,monospace;font-size:11px;display:grid}.next-step strong,.next-step small{display:block}.next-step strong{margin:5px 0 2px;font-size:11px}.next-step small{color:var(--muted);font-size:10px}.next-arrow{color:var(--green);margin-left:auto;font-size:18px}.audio-feedback{grid-template-columns:1.3fr 1fr auto;align-items:center;gap:20px;padding:18px 0 0;display:grid}.signal{align-items:center;gap:12px;display:flex}.signal strong{margin-top:5px;font-size:14px;display:block}.signal-bars{align-items:end;gap:2px;height:22px;display:flex}.signal-bars i{background:#b6c4ba;border-radius:3px;width:3px;height:8px;display:block}.signal-bars i:nth-child(2){height:14px}.signal-bars i:nth-child(3){height:20px}.signal-bars i:nth-child(4){height:11px}.signal-bars i:nth-child(5){height:17px}.is-listening .signal-bars i{background:var(--orange);animation:.8s infinite alternate pulse}.is-listening .signal-bars i:nth-child(2){animation-delay:.1s}.is-listening .signal-bars i:nth-child(3){animation-delay:.2s}.accuracy-track{background:#e5ebe5;border-radius:3px;height:5px;display:block}.accuracy-track i{background:var(--green);border-radius:3px;height:100%;transition:width .2s;display:block}.accuracy small{color:var(--muted);margin-top:6px;font-size:9px;display:block}.listen-button{white-space:nowrap;padding:11px 14px}.audio-error{color:#a84e36;grid-column:1/-1;margin:0;font-size:10px}.practice-panel{border:1px solid var(--line);text-align:center;background:#fff;border-radius:9px;padding:70px 20px}.practice-icon{color:var(--green);font-size:30px;display:block}.practice-panel h3{margin:8px 0}.practice-panel p{max-width:320px;color:var(--muted);margin:0 auto 20px;font-size:12px;line-height:1.6}.primary-button{padding:11px 16px}footer{border-top:1px solid var(--line);color:#9aa49d;justify-content:space-between;padding:20px 0;font-family:DM Mono,monospace;font-size:9px;display:flex}@keyframes pulse{0%{transform:scaleY(.55)}to{transform:scaleY(1)}}@media (width<=850px){.workspace{grid-template-columns:1fr;gap:30px}.lesson-list{grid-template-columns:repeat(2,1fr);gap:4px;display:grid}.section-label,.tip{grid-column:1/-1}.tip{padding-top:12px}.welcome-row{padding-top:35px}.audio-feedback{grid-template-columns:1fr 1fr}.listen-button{grid-column:1/-1}}@media (width<=560px){.app-shell{padding:0 18px}.topbar{gap:18px}.topbar nav{gap:10px}.streak{display:none}.welcome-row{flex-direction:column;align-items:start;gap:20px}.welcome-row h1{letter-spacing:-1.5px}.progress-note{align-self:end}.workspace{padding-top:30px}.lesson-list{display:block}.lesson-card{margin-bottom:4px}.tab-viewer{padding:15px}.phrase-heading{flex-direction:column;align-items:start;gap:8px}.tab-grid{grid-template-columns:repeat(4,minmax(112px,1fr));overflow-x:auto}.pattern-row{flex-direction:column;align-items:start;gap:15px}.audio-feedback{flex-direction:column;align-items:start;display:flex}.accuracy,.listen-button{width:100%}.mode-switch{display:none}footer{flex-direction:column;gap:8px}}