:root{--book-bg: #14161a;--book-panel: #1c1f26;--book-border: rgba(255, 255, 255, .08);--book-text: #e8e8ec;--book-text-dim: #9a9ca3;--book-accent: #6fe08a}.book{min-height:100vh;background:var(--book-bg);color:var(--book-text);font-family:system-ui,sans-serif}.book-nav{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem;padding:1rem 1.5rem;border-bottom:1px solid var(--book-border)}.book-nav-brand{font-weight:700;font-size:1.1rem;color:var(--book-text);text-decoration:none}.book-nav-links{display:flex;flex-wrap:wrap;gap:1.25rem}.book-nav-links a{color:var(--book-text-dim);text-decoration:none;font-size:.9rem}.book-nav-links a:hover{color:var(--book-text)}.book-nav-support{color:var(--book-accent)!important;font-weight:600}.language-switcher{background:var(--book-panel);color:var(--book-text);border:1px solid var(--book-border);border-radius:4px;padding:.25rem .5rem;font-size:.85rem;font-family:inherit}@media (max-width: 640px){.language-switcher{width:2.75rem;padding:.25rem .3rem;overflow:hidden;text-overflow:clip;white-space:nowrap}}.book-content{max-width:960px;margin:0 auto;padding:2rem 1.5rem 4rem}.book-status{color:var(--book-text-dim);padding:2rem 0}.book-status--error{color:#e08a8a}.back-link{display:inline-block;color:var(--book-text-dim);text-decoration:none;margin-bottom:1rem;font-size:.9rem}.back-link:hover{color:var(--book-text)}.home-intro{color:var(--book-text-dim);margin-bottom:2rem}.home-intro a{color:var(--book-accent)}.track-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem}.track-card{display:flex;flex-direction:column;gap:.35rem;padding:1.25rem;border-radius:10px;background:var(--book-panel);border:1px solid var(--book-border);border-top:3px solid var(--track-color, var(--book-accent));color:var(--book-text);text-decoration:none}.track-card:hover{border-color:#fff3}.track-card-emoji{font-size:1.75rem}.track-card-name{font-weight:600}.track-card-tagline{color:var(--book-text-dim);font-size:.85rem}.track-card-progress{margin-top:.5rem;font-size:.8rem;color:var(--book-text-dim)}.apps-intro{color:var(--book-text-dim);margin-bottom:2rem}.app-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem}.app-card{display:flex;flex-direction:column;gap:.35rem;padding:1.25rem;border-radius:10px;background:var(--book-panel);border:1px solid var(--book-border);border-top:3px solid var(--app-color, var(--book-accent));color:var(--book-text);text-decoration:none}.app-card:hover{border-color:#fff3}.app-card-emoji{font-size:1.75rem}.app-card-name{font-weight:600}.app-card-tagline{color:var(--book-text-dim);font-size:.85rem}.track-page-description{color:var(--book-text-dim);margin-bottom:1rem}.lesson-list{display:flex;flex-direction:column;gap:.6rem;margin-top:1rem}.lesson-card{display:flex;align-items:flex-start;gap:.75rem;padding:.9rem 1rem;border-radius:8px;background:var(--book-panel);border:1px solid var(--book-border);color:var(--book-text);text-decoration:none}.lesson-card:hover{border-color:#fff3}.lesson-card--done{border-color:var(--book-accent)}.lesson-card-check{width:1.25rem;color:var(--book-accent);font-weight:700}.lesson-card-body{display:flex;flex-direction:column;gap:.25rem}.lesson-card-name{font-weight:600}.lesson-card-description{color:var(--book-text-dim);font-size:.85rem}.browse-search{width:100%;padding:.6rem .8rem;border-radius:8px;border:1px solid var(--book-border);background:var(--book-panel);color:var(--book-text);font-size:.9rem;margin-bottom:.5rem}.lesson-page-description{color:var(--book-text-dim);margin:.5rem 0 1rem}.lesson-complete-toggle{padding:.4rem 1rem;border-radius:6px;border:1px solid var(--book-accent);background:transparent;color:var(--book-accent);font-weight:600;cursor:pointer;margin-bottom:1.5rem}.lesson-complete-toggle:hover{background:#6fe08a1f}.lesson-homework-link{margin-top:1.5rem;color:var(--book-text-dim)}.lesson-homework-link a{color:var(--book-accent)}.pdf-viewer--empty{padding:2rem;text-align:center;color:var(--book-text-dim);background:var(--book-panel);border:1px dashed var(--book-border);border-radius:8px}.pdf-viewer iframe{width:100%;height:70vh;border:1px solid var(--book-border);border-radius:8px}.progress-bar{position:relative;height:1.4rem;border-radius:999px;background:var(--book-panel);border:1px solid var(--book-border);overflow:hidden;margin:.75rem 0 1.25rem}.progress-bar-fill{height:100%;background:var(--book-accent);transition:width .2s ease}.progress-bar-label{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:.75rem;color:var(--book-text)}.topic-badge{display:inline-block;padding:.15rem .5rem;border-radius:999px;font-size:.7rem;font-weight:600;background:#ffffff14;color:var(--book-text-dim);margin-top:.25rem}.minimal-nav{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;padding:.75rem 1rem 0}.minimal-nav-back,.minimal-nav-sibling{color:#aaa;text-decoration:none;font-size:.85rem}.minimal-nav-back:hover,.minimal-nav-sibling:hover{color:#eee}.minimal-nav-right{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;justify-content:flex-end}.minimal-nav-support{color:var(--book-accent);text-decoration:none;font-size:.85rem;font-weight:600}.minimal-nav-support:hover{text-decoration:underline}.auth-page{max-width:360px}.auth-google-btn{display:block;width:100%;padding:.65rem 1rem;border-radius:8px;border:1px solid var(--book-border);background:var(--book-panel);color:var(--book-text);font-size:.95rem;font-weight:600;cursor:pointer;margin:1rem 0}.auth-google-btn:hover{border-color:#fff3}.auth-divider{text-align:center;color:var(--book-text-dim);font-size:.8rem;margin:.5rem 0 1rem}.auth-form{display:flex;flex-direction:column;gap:.9rem}.auth-form label{display:flex;flex-direction:column;gap:.3rem;font-size:.85rem;color:var(--book-text-dim)}.auth-form input[type=email],.auth-form input[type=password],.auth-form input[type=text]{padding:.6rem .8rem;border-radius:8px;border:1px solid var(--book-border);background:var(--book-panel);color:var(--book-text);font-size:.9rem}.auth-checkbox{flex-direction:row!important;align-items:center;gap:.5rem!important}.auth-submit-btn{padding:.6rem 1rem;border-radius:8px;border:1px solid var(--book-accent);background:var(--book-accent);color:#0c1410;font-weight:700;cursor:pointer}.auth-submit-btn:hover{filter:brightness(1.08)}.auth-submit-btn:disabled{opacity:.6;cursor:default}.auth-switch{margin-top:1.25rem;color:var(--book-text-dim);font-size:.85rem}.auth-switch a{color:var(--book-accent)}#app{display:flex;flex-direction:column;min-height:100dvh}.fretboard-page{flex:1;min-height:0;background:#1b1b1b;color:#eee}.app{max-width:1080px;margin:0 auto;padding:2rem 1rem;text-align:center}.app--embedded{max-width:none;padding:0}.status{min-height:1.5em;color:#aaa}.status--warning{color:#e8b93d}.status--stalled{color:#e8593d}.status--muted{color:#7a7a7a}.status--recording .rec-dot{color:#e8593d}.link-button{background:none;border:none;padding:0;font:inherit;color:#e8b93d;text-decoration:underline;cursor:pointer}.debug{font-family:ui-monospace,monospace;font-size:.8rem;color:#7a7a7a;margin:-.5rem 0 1rem}.debug-val{display:inline-block;text-align:right}.tuner{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;height:5.3rem;box-sizing:border-box;padding:.6rem 1rem .8rem;border-radius:10px;background:linear-gradient(180deg,#0c0e0c,#060706);border:1px solid #000;box-shadow:inset 0 2px 6px #000c,inset 0 0 20px #00000080,0 1px 2px #0006}.tuner-note{font-family:ui-monospace,SF Mono,monospace;font-size:2.4rem;font-weight:700;letter-spacing:.06em;line-height:1;color:#3a4a3a;text-shadow:none;transition:color .15s ease,text-shadow .15s ease}.tuner--active .tuner-note{color:#6fe08a;text-shadow:0 0 6px rgba(111,224,138,.65),0 0 16px rgba(111,224,138,.35)}.tuner-leds{display:flex;gap:3px}.tuner-led{width:9px;height:14px;border-radius:2px;background:#171c17;box-shadow:inset 0 1px 2px #000000b3;transition:background .1s ease,box-shadow .1s ease}.tuner-led--center{width:11px}.tuner-led--lit.tuner-led--center{background:#7dffa0;box-shadow:0 0 6px 1px #4ade80d9,inset 0 0 2px #ffffff80}.tuner-led--lit.tuner-led--near{background:#c8e86f;box-shadow:0 0 6px 1px #c8e86fcc,inset 0 0 2px #fff6}.tuner-led--lit.tuner-led--mid{background:#e8b93d;box-shadow:0 0 6px 1px #e8b93dcc,inset 0 0 2px #fff6}.tuner-led--lit.tuner-led--far{background:#e8593d;box-shadow:0 0 6px 1px #e8593dcc,inset 0 0 2px #fff6}.knob--readout{flex:0 0 auto}.chord-display{display:flex;align-items:center;justify-content:center;min-width:6rem;height:5.3rem;box-sizing:border-box;padding:.6rem .9rem;border-radius:10px;background:linear-gradient(180deg,#0c0e0c,#060706);border:1px solid #000;box-shadow:inset 0 2px 6px #000c,inset 0 0 20px #00000080,0 1px 2px #0006;font-family:ui-monospace,SF Mono,monospace;font-size:1.3rem;font-weight:700;letter-spacing:.04em;line-height:1;color:#3a4a3a;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chord-display--active{color:#6fe08a;text-shadow:0 0 6px rgba(111,224,138,.65),0 0 16px rgba(111,224,138,.35)}.chord-display--analyzing{color:#e8b93d;text-shadow:0 0 6px rgba(232,185,61,.5);animation:chord-analyzing-pulse 1.1s ease-in-out infinite}@keyframes chord-analyzing-pulse{0%,to{opacity:1}50%{opacity:.5}}.waveform-display{display:flex;align-items:center;justify-content:center;height:5.3rem;box-sizing:border-box;padding:.6rem .5rem;border-radius:10px;background:linear-gradient(180deg,#0c0e0c,#060706);border:1px solid #000;box-shadow:inset 0 2px 6px #000c,inset 0 0 20px #00000080,0 1px 2px #0006}.waveform-display canvas{display:block;width:140px;height:2.9rem;max-width:none;background:transparent;border-radius:0}.power-row{display:flex;align-items:center;justify-content:center;gap:.6rem}.toggle-btn{--btn-glow: transparent;position:relative;width:40px;height:40px;padding:0;border:none;border-radius:50%;cursor:pointer;background:radial-gradient(circle at 35% 30%,#55565a,#232324 75%);box-shadow:inset 0 1px #ffffff26,inset 0 -2px 3px #0009,0 2px 3px #00000080;transition:box-shadow .15s ease}.toggle-btn--small{width:32px;height:32px}.toggle-btn--power{width:46px;height:46px}.toggle-btn-cap{position:absolute;top:4px;right:4px;bottom:4px;left:4px;border-radius:50%;background:linear-gradient(180deg,#3d3e41,#202022);box-shadow:inset 0 1px 1px #ffffff1f,inset 0 -2px 4px #000000b3,0 1px 1px #0006;transition:background .15s ease,box-shadow .15s ease,transform .08s ease}.toggle-btn[aria-pressed=true]{--btn-glow: rgba(74, 222, 128, .75)}.toggle-btn[aria-pressed=true] .toggle-btn-cap{background:linear-gradient(180deg,#a3f6b8,#34d966 55%,#16803d);box-shadow:inset 0 1px 1px #ffffff8c,inset 0 -2px 3px #0003,0 0 10px 3px var(--btn-glow)}.toggle-btn:disabled{opacity:.55;cursor:default}.toggle-btn:not(:disabled):active .toggle-btn-cap{transform:scale(.9);box-shadow:inset 0 2px 4px #000c,0 0 6px 1px var(--btn-glow)}.toggle-btn:focus-visible{outline:none;box-shadow:inset 0 1px #ffffff26,inset 0 -2px 3px #0009,0 0 0 2px #d8a83d99}.power-led{width:11px;height:11px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#3a1414,#1a0808 70%);box-shadow:inset 0 1px 1px #0009;transition:background .2s ease,box-shadow .2s ease}.power-led--on{background:radial-gradient(circle at 35% 30%,#b6ffcb,#34d966 55%,#16803d);box-shadow:inset 0 1px 1px #fff6,0 0 8px 2px #34d966d9}.power-led--pending{background:radial-gradient(circle at 35% 30%,#ffe9b6,#d99b34 55%,#7a4f16);box-shadow:inset 0 1px 1px #ffffff59,0 0 8px 2px #d99b34cc;animation:power-led-blink 1s ease-in-out infinite}.power-led--error{background:radial-gradient(circle at 35% 30%,#ffb6b6,#d93434 55%,#7a1616);box-shadow:inset 0 1px 1px #ffffff59,0 0 8px 2px #d93434d9}@keyframes power-led-blink{0%,to{opacity:1}50%{opacity:.35}}.control-panel{position:relative;max-width:720px;margin:1.25rem auto 1.5rem;border-radius:10px;background:repeating-linear-gradient(100deg,rgba(255,255,255,.025) 0px,rgba(255,255,255,.025) 1px,transparent 1px,transparent 3px),linear-gradient(180deg,#3a3a3d,#2c2c2e 45%,#232325);border:1px solid #171718;box-shadow:inset 0 1px #ffffff1f,inset 0 -2px 4px #00000080,0 3px 8px #0006}.control-panel:before,.control-panel:after{content:"";position:absolute;top:8px;width:9px;height:9px;border-radius:50%;background:linear-gradient(90deg,transparent 45%,rgba(0,0,0,.7) 45%,rgba(0,0,0,.7) 55%,transparent 55%),radial-gradient(circle at 35% 30%,#aaa,#666 60%,#333);box-shadow:0 1px 1px #0009}.control-panel:before{left:10px}.control-panel:after{right:10px}.rack-header{display:flex;align-items:center;width:100%}.rack-drag-handle{display:flex;align-items:center;padding:.7rem 0 .7rem 1.25rem;color:#8a7f68;font-size:1rem;line-height:1;cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none}.rack-drag-handle:active{cursor:grabbing}.rack-toggle{flex:1;display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.7rem 1.75rem;border:none;background:transparent;font:inherit;color:inherit;cursor:pointer}.rack-title{font-size:.7rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:#d8c8a8;text-shadow:0 1px 0 rgba(0,0,0,.6),0 0 6px rgba(216,200,168,.15)}.rack-chevron{width:7px;height:7px;border-right:2px solid #d8c8a8;border-bottom:2px solid #d8c8a8;transform:rotate(45deg);transition:transform .2s ease}.rack-chevron--collapsed{transform:rotate(-45deg)}.rack-body{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:center;gap:1.75rem;padding:0 1.75rem 1.1rem;max-height:620px;overflow:hidden;opacity:1;transition:max-height .25s ease,opacity .2s ease,padding-bottom .25s ease}.rack-body--collapsed{max-height:0;padding-bottom:0;opacity:0}.app .control-panel{max-width:none;width:100%;margin:.5rem 0 .6rem;display:flex;flex-direction:column;container-type:inline-size;container-name:rack}.app .rack-grid>.control-panel{margin:0}.app .rack-toggle{padding:.3rem 1rem}.app .rack-body{padding:0 1rem .6rem;justify-content:flex-start;gap:1rem;flex:1 1 auto;align-content:center}.control-panel[data-rack-id=readouts] .rack-body{justify-content:center}.app .rack-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(380px,1fr));gap:.6rem;margin:.5rem 0 .6rem}.control-panel--dragging{opacity:.4}.control-panel--drop-target{outline:2px dashed #d8a83d;outline-offset:2px}.knob-group{display:flex;flex-wrap:wrap;align-items:flex-start;gap:1.1rem}.knob-group:not(:first-child){padding-left:2.25rem;border-left:1px solid rgba(216,200,168,.15)}.knob{display:flex;flex-direction:column;align-items:center;gap:.45rem}.knob-label{font-size:.7rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:#d8c8a8;text-shadow:0 1px 0 rgba(0,0,0,.6),0 0 6px rgba(216,200,168,.15)}.knob select{font-size:.9rem;padding:.35rem .6rem;border-radius:5px;border:1px solid #111;background:linear-gradient(180deg,#4a4a4d,#232324);color:#f0e6d0;box-shadow:inset 0 1px #ffffff26,inset 0 -1px 2px #0009,0 1px 2px #00000080;cursor:pointer}.knob select:focus{outline:none;box-shadow:inset 0 1px #ffffff26,inset 0 -1px 2px #0009,0 0 0 2px #d8a83d80}.knob select option{background-color:#232324;color:#f0e6d0}.knob select optgroup{background-color:#2f2f31;color:#d8c8a8;font-weight:600}.volume-slider{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:4.5rem;height:4px;border-radius:2px;background:linear-gradient(180deg,#4a4a4d,#232324);box-shadow:inset 0 1px 2px #0009;cursor:pointer}.volume-slider::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:#d8a83d;border:1px solid #111;box-shadow:0 1px 2px #00000080;cursor:pointer}.volume-slider::-moz-range-track{height:4px;border-radius:2px;background:linear-gradient(180deg,#4a4a4d,#232324)}.volume-slider::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:#d8a83d;border:1px solid #111;box-shadow:0 1px 2px #00000080;cursor:pointer}.volume-slider:focus{outline:none}.volume-slider:focus-visible{box-shadow:0 0 0 2px #d8a83d80}.dial{position:relative;width:40px;height:40px;border-radius:50%}.dial-face{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;background:radial-gradient(circle at 35% 30%,#55565a,#232324 75%);border:1px solid #111;box-shadow:inset 0 1px #ffffff26,inset 0 -2px 3px #0009,0 1px 2px #00000080;background-image:repeating-conic-gradient(rgba(255,255,255,.12) 0deg 2deg,transparent 2deg 12deg),radial-gradient(circle at 35% 30%,#55565a,#232324 75%);pointer-events:none}.dial-pointer{position:absolute;top:4px;left:50%;width:3px;height:40%;border-radius:2px;background:#d8c8a8;box-shadow:0 0 3px #d8c8a880;transform:translate(-50%)}.dial-select{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;opacity:0;cursor:pointer}.dial-value{font-size:.8rem;color:#f0e6d0;min-width:1.5em}button{font-size:1rem;padding:.5rem 1.5rem;border-radius:6px;border:1px solid #555;background:#2a2a2a;color:#eee;cursor:pointer}button:disabled{opacity:.5;cursor:default}canvas{background:#2b2118;border-radius:8px}.fretboard-canvas-wrap{width:72%;max-width:1080px;aspect-ratio:1080 / 200;max-height:320px;margin:0 auto}.fretboard-canvas-wrap canvas{display:block;width:100%;height:100%}@container rack (max-width: 600px){.app .rack-toggle{padding:.4rem}.app .rack-drag-handle{padding:.4rem 0 .4rem .6rem}.app .rack-body{padding:0 .6rem .5rem;gap:.5rem}.knob-group{gap:.5rem}.knob-group:not(:first-child){padding-left:.75rem}.knob-label{font-size:.62rem;letter-spacing:.06em}.knob select{padding:.3rem .35rem;font-size:.8rem;max-width:5rem;text-overflow:ellipsis}.app .tempo-input{width:2.75rem;padding:.3rem .35rem;font-size:.8rem}.dial{width:30px;height:30px}.toggle-btn--small{width:26px;height:26px}.toggle-btn--power{width:32px;height:32px}.power-row{gap:.35rem}.tuner,.chord-display,.waveform-display{height:4.4rem;padding-left:.5rem;padding-right:.5rem}.tuner-note{font-size:1.7rem}.tuner-leds{gap:2px}.chord-display{min-width:4.2rem;font-size:1rem}.waveform-display canvas{width:90px}.control-panel[data-rack-id=readouts] .rack-body{gap:.5rem}}@media (max-width: 720px){.fretboard-canvas-wrap{width:100%}}@media (max-width: 480px){.app{padding:1.25rem .4rem}.fretboard-canvas-wrap{width:94%;aspect-ratio:1080 / 460;max-height:none}.app .rack-toggle{padding:.4rem}.app .rack-drag-handle{padding:.4rem 0 .4rem .6rem}.app .rack-body{padding:0 .4rem .5rem;gap:.5rem;justify-content:center}.knob-group{gap:.25rem}.knob-group:not(:first-child){padding-left:0;border-left:none}.knob-label{font-size:.6rem;letter-spacing:.06em}.knob select{padding:.35rem .3rem;font-size:.8rem}.volume-slider{width:3.6rem}.dial{width:26px;height:26px}.toggle-btn--small{width:24px;height:24px}.toggle-btn--power{width:28px;height:28px}.power-row{gap:.3rem}.app .rack-grid{grid-template-columns:minmax(0,1fr)}}.tab-shell{max-width:1800px;margin:0 auto;box-sizing:border-box;padding:.5rem .75rem;display:flex;flex-direction:column;gap:.4rem;overflow:hidden;text-align:center}.tab-shell-header{flex:0 0 auto;display:flex;align-items:flex-start;justify-content:space-between;gap:.75rem;flex-wrap:wrap}.tab-shell-header-left{flex:1 1 auto;min-width:0}.tab-shell-header-right{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}.tab-shell-header .status{margin:.15rem 0 0;min-height:0;font-size:.8rem}.tab-shell-dropdowns{position:relative;display:inline-flex;gap:.5rem;margin-top:.4rem}.tab-shell-dropdown-toggle{display:inline-flex;align-items:center;gap:.3rem;padding:.35rem .75rem;border-radius:6px;border:1px solid #555;background:#2a2a2a;color:#ccc;font:inherit;font-size:.8rem;cursor:pointer;white-space:nowrap}.tab-shell-dropdown-toggle:hover{background:#383838}.tab-shell-dropdown-panel{display:none;position:absolute;top:100%;left:0;z-index:15;margin-top:.4rem;padding:.85rem 1rem;flex-direction:column;gap:.85rem;border-radius:8px;border:1px solid #555;background:#232324;box-shadow:0 4px 16px #00000080;min-width:240px;max-width:min(90vw,420px);max-height:70vh;overflow-y:auto}.tab-shell-dropdown-panel--open{display:flex}.tab-shell-dropdown-panel .knob-label{font-size:.62rem}.tab-shell-dropdown-panel .knob{gap:.3rem}.tab-readonly-display{display:inline-block;font-size:.9rem;padding:.35rem .6rem;border-radius:5px;border:1px solid #111;background:linear-gradient(180deg,#4a4a4d,#232324);color:#f0e6d0;opacity:.6}.tempo-input{font-size:.9rem;padding:.35rem .4rem;border-radius:5px;border:1px solid #111;background:linear-gradient(180deg,#4a4a4d,#232324);color:#f0e6d0;box-shadow:inset 0 1px #ffffff26,inset 0 -1px 2px #0009,0 1px 2px #00000080;width:4.5rem;text-align:center}.tempo-input:focus{outline:none;box-shadow:inset 0 1px #ffffff26,inset 0 -1px 2px #0009,0 0 0 2px #d8a83d80}.tempo-input:disabled{opacity:.6}.tab-toolbar-cluster{display:flex;align-items:flex-start;flex-wrap:wrap;gap:.85rem}.tab-toolbar-cluster:not(:first-child){padding-top:.85rem;border-top:1px solid rgba(216,200,168,.15)}.tab-toolbar-cluster[data-cluster=song] select{max-width:11rem;text-overflow:ellipsis}.tab-shell-notation{flex:1 1 62%;min-height:0;direction:ltr;overflow-y:hidden;overflow-x:auto;scrollbar-width:none;border-radius:8px}.tab-shell-notation::-webkit-scrollbar{display:none}.tab-shell-fretboard{flex:0 0 320px;display:flex;align-items:center;justify-content:center;overflow:hidden;margin-top:.75rem}.tab-staff-canvas,.tab-shell-fretboard canvas{display:block;margin:0 auto;width:auto;max-width:none;height:auto}.tab-staff-canvas{cursor:pointer}.tab-mode-toggle{display:inline-flex;border-radius:6px;overflow:hidden;border:1px solid #555}.tab-song-actions{display:flex;gap:.75rem;margin-top:.35rem;font-size:.85rem}.tab-mode-btn{padding:.35rem .75rem;border:none;background:#2a2a2a;color:#ccc;font:inherit;font-size:.85rem;cursor:pointer}.tab-mode-btn+.tab-mode-btn{border-left:1px solid #555}.tab-mode-btn:hover{background:#383838}.tab-mode-btn--active{background:#3a5a3d;color:#eee}.notation-tooltip{position:fixed;z-index:20;pointer-events:none;display:flex;flex-direction:column;gap:.15rem;max-width:220px;padding:.45rem .65rem;border-radius:6px;border:1px solid #555;background:#1e1812f5;box-shadow:0 4px 12px #00000080}.notation-tooltip strong{font-size:.8rem;color:#d8c8a8}.notation-tooltip span{font-size:.75rem;color:#e8ddc8;line-height:1.3}.tab-shell-transport{display:flex;align-items:center;gap:.6rem}.tab-icon-btn{display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:50%;border:1px solid #555;background:#2a2a2a;color:#eee;cursor:pointer;padding:0;flex-shrink:0}.tab-icon-btn--play{width:52px;height:52px;background:#3a5a3d;border-color:#4a7a4d}.tab-icon-btn:hover:not(:disabled){background:#383838}.tab-icon-btn--play:hover:not(:disabled){background:#46703f}.tab-icon-btn--active{background:#d8a83d47;border-color:#d8a83d;color:#f0e6d0}.tab-icon-btn--active:hover:not(:disabled){background:#d8a83d66}.tab-icon-btn--record-armed{background:#e0524c38;border-color:#e0524c}.tab-icon-btn--record-armed:hover:not(:disabled){background:#e0524c59}.tab-icon-btn:disabled{opacity:.5;cursor:default}.tab-transport-record{display:contents}.tab-transport-capture{display:flex;align-items:flex-start;flex-wrap:wrap;gap:.85rem}.tab-transport-capture:not(:empty){padding-top:.85rem;border-top:1px solid rgba(216,200,168,.15)}.tab-transport-capture select{max-width:8rem}.tab-transport-power{display:flex;align-items:flex-start;gap:.85rem}.tab-transport-power:not(:empty){padding-left:.75rem;border-left:1px solid rgba(216,200,168,.15)}.tab-transport-power .knob-label{font-size:.62rem}.tab-transport-power .knob{gap:.3rem}.tab-shell-live{flex:0 0 auto;max-height:20dvh;overflow-y:auto;margin-top:.5rem;border-top:1px solid #333;padding-top:.4rem}.tab-shell-live:not(:has(.rack-grid:not(:empty))){max-height:0;margin-top:0;border-top:none;padding-top:0;overflow:hidden}.tab-progress{display:flex;align-items:center;gap:.6rem;min-width:0}.tab-progress-track{width:140px;height:6px;border-radius:3px;background:#333;overflow:hidden}.tab-progress-fill{height:100%;width:0%;background:#6fe08a}.tab-time{font-variant-numeric:tabular-nums;color:#aaa;font-size:.85rem;min-width:5ch}@media (max-width: 480px){.tab-shell{padding:.4rem .5rem;gap:.3rem}.tab-shell-header .status{margin:.05rem 0 0;font-size:.7rem}.tab-shell-dropdown-panel .knob{gap:.2rem}.tab-shell-dropdown-panel .knob-label{font-size:.58rem}.tab-transport-power .knob-label{display:none}.tab-transport-power .toggle-btn--small{width:26px;height:26px}.tab-transport-power .toggle-btn--power{width:32px;height:32px}.tab-transport-power .power-row{gap:.35rem}.tab-transport-power{gap:.4rem}.tab-transport-power:not(:empty){padding-left:.4rem}.tab-shell-header-right{gap:.4rem}.tab-toolbar-cluster{gap:.25rem}.tab-shell-dropdown-panel select,.tab-shell-dropdown-panel .tempo-input,.tab-shell-dropdown-panel .tab-readonly-display{font-size:.75rem;padding:.2rem .4rem}.tab-shell-dropdown-panel .tempo-input,.tab-shell-dropdown-panel .volume-slider{width:3.6rem}.tab-mode-btn{padding:.2rem .4rem;font-size:.7rem}.tab-icon-btn{width:38px;height:38px}.tab-icon-btn--play{width:46px;height:46px}.tab-time{font-size:.75rem;min-width:4.5ch}}@media (max-width: 640px){.tab-shell-notation{flex:1 1 68%}.tab-shell-fretboard{flex:0 0 170px;margin-top:.4rem}.tab-shell-header-right{position:fixed;left:0;right:0;bottom:0;z-index:5;justify-content:center;padding:.5rem 0;background:#14100cf5;border-top:1px solid #333}.tab-shell{padding-bottom:4rem}}.studio-views{display:flex;justify-content:center;padding:.4rem .5rem 0}.studio-view{min-height:0;width:80%;max-width:1600px;margin:0 auto}.studio-view .tab-shell,.studio-view .composer-shell,.studio-view .app{max-width:none;width:100%;margin:0;box-sizing:border-box}.studio-view .app .fretboard-canvas-wrap{width:100%;max-width:none}@media (max-width: 480px){.studio-views{padding:.3rem .4rem 0}.studio-view{width:100%}.studio-view .app .fretboard-canvas-wrap{width:94%}}.capture-page{color:#eee;width:92%;max-width:1600px;margin:0 auto;padding:.5rem 0 3rem;text-align:left}.cap-header h1{margin:.2rem 0;font-size:1.4rem}.cap-sub,.cap-hint{color:#8d8d8d;font-size:.85rem;margin:.25rem 0 .75rem;line-height:1.45}.cap-panel{background:#222;border:1px solid #333;border-radius:8px;padding:.85rem 1rem 1rem;margin-bottom:1rem}.cap-panel h2{margin:0 0 .3rem;font-size:1rem;letter-spacing:.04em;text-transform:uppercase;color:#bdbdbd}.cap-msg{margin:.4rem 0;font-size:.9rem}.cap-msg--error{color:#e8593d}.cap-msg--notice{color:#e8b93d}.cap-btn{background:#2f2f2f;border:1px solid #444;color:#eee;border-radius:5px;padding:.35rem .7rem;font:inherit;font-size:.85rem;cursor:pointer}.cap-btn:hover:not(:disabled){background:#3a3a3a}.cap-btn:disabled{opacity:.45;cursor:default}.cap-btn--primary{border-color:#e8b93d;color:#e8b93d}.cap-btn--record,.cap-btn--danger{border-color:#e8593d;color:#e8593d}.cap-link{background:none;border:none;padding:0;font:inherit;font-size:.82rem;color:#e8b93d;text-decoration:underline;cursor:pointer}.cap-link--danger{color:#e8593d}.cap-link:disabled{opacity:.4;cursor:default}.cap-actions{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;margin-top:.7rem}.cap-recording{color:#e8593d;font-variant-numeric:tabular-nums}.cap-inline{display:inline-flex;align-items:center;gap:.35rem;font-size:.82rem;color:#bdbdbd}.cap-inline--grow{flex:1 1 16rem}.cap-meta{display:flex;flex-wrap:wrap;gap:.6rem 1rem;align-items:center}.capture-page input[type=text],.capture-page input[type=number],.capture-page select,.cap-text{background:#191919;border:1px solid #3a3a3a;color:#eee;border-radius:4px;padding:.25rem .4rem;font:inherit;font-size:.82rem}.capture-page input[type=number]{width:5.5rem}.cap-text{width:7rem}.cap-text--wide{width:100%;min-width:10rem}.cap-table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}.cap-sources{min-width:34rem;width:100%;border-collapse:collapse;font-size:.85rem}.cap-sources th{text-align:left;font-weight:500;color:#8d8d8d;font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;padding:.3rem .5rem .3rem 0;border-bottom:1px solid #333}.cap-sources td{padding:.3rem .5rem .3rem 0;border-bottom:1px solid #2a2a2a;vertical-align:middle}.cap-dim{color:#7a7a7a}.cap-ok{color:#6fbf73}.cap-row--current td{background:#2a2620}.cap-meter{width:90px;height:9px;background:#141414;border:1px solid #333;border-radius:3px;overflow:hidden}.cap-meter-fill{height:100%;background:linear-gradient(90deg,#4f9d5a,#4f9d5a 60%,#e8b93d 82%,#e8593d);background-size:90px 100%;transition:width 60ms linear}.cap-meter-fill--clip{background:#e8593d}.cap-clip{color:#e8593d;font-size:.7rem;margin-left:.35rem}.cap-progress{height:6px;background:#141414;border-radius:3px;overflow:hidden}.cap-progress-fill{height:100%;background:#e8b93d;transition:width .12s linear}.cap-editor-head{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem .9rem;margin-bottom:.4rem}.cap-editor-head h2{margin:0}.cap-stat{font-size:.78rem;color:#8d8d8d;font-variant-numeric:tabular-nums}.cap-editor:focus{outline:1px solid #e8b93d;outline-offset:2px}.cap-editor{border-radius:6px}.cap-editor-bar{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem .8rem;padding:.4rem 0}.cap-editor-bar .cap-hint{margin:0;font-size:.75rem}.cap-timeline-wrap{display:flex;border:1px solid #333;border-radius:6px;overflow:hidden;background:#141414}.cap-lane-labels{flex:0 0 auto;background:#1b1b1b;border-right:1px solid #333}.cap-lane-label{display:flex;align-items:center;justify-content:center;width:28px;font-size:.72rem;color:#8d8d8d;border-top:1px solid #242424}.cap-timeline-scroll{flex:1 1 auto;overflow-x:auto;overflow-y:hidden}.cap-timeline{position:relative}.cap-waveform{display:block;cursor:text}.cap-lanes{position:relative}.cap-lane{border-top:1px solid #242424;box-sizing:border-box}.cap-lane:nth-child(odd){background:#171717}.cap-note{position:absolute;box-sizing:border-box;border-radius:3px;border:1px solid;display:flex;align-items:center;padding-left:3px;font-size:.7rem;line-height:1;cursor:grab;overflow:hidden;-webkit-user-select:none;user-select:none}.cap-note--model{background:#2f4553;border-color:#47687d;color:#cfe4f0}.cap-note--edited{background:#4a3d1c;border-color:#e8b93d;color:#f3dfa6}.cap-note--human{background:#1f4429;border-color:#4f9d5a;color:#c8e8ce}.cap-note--selected{outline:2px solid #fff;outline-offset:-1px;z-index:2}.cap-note-fret{font-variant-numeric:tabular-nums;font-weight:600}.cap-note-tech{margin-left:3px;opacity:.75;text-transform:uppercase}.cap-note-handle{position:absolute;right:0;top:0;bottom:0;cursor:ew-resize}.cap-note-handle:hover{background:#ffffff40}.cap-playhead{position:absolute;left:0;top:0;width:1px;background:#e8593d;pointer-events:none;will-change:transform}.cap-inspector{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem .9rem;padding:.55rem 0 .2rem;min-height:2rem}.cap-inspector-title{font-size:1rem;color:#e8b93d;min-width:3rem}.cap-chip{background:#2a2a2a;border:1px solid #444;color:#bdbdbd;border-radius:4px;padding:.15rem .35rem;font:inherit;font-size:.78rem;cursor:pointer}.cap-chip--on{border-color:#e8b93d;color:#e8b93d}.cap-chip sub{font-size:.6rem;opacity:.7}.cap-tracks{margin-top:.9rem}.cap-tracks summary{cursor:pointer;color:#8d8d8d;font-size:.82rem}@media (max-width: 700px){.cap-sources{font-size:.78rem}.cap-panel{padding:.7rem .6rem .8rem}}body{margin:0;font-family:system-ui,sans-serif}.install-banner{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:.75rem;padding:.6rem 1rem;background:#2b2118;color:#f0e6d0;font-size:.85rem;border-bottom:1px solid rgba(0,0,0,.4)}.install-banner-install{padding:.3rem .9rem;border-radius:6px;border:1px solid #d8c8a8;background:transparent;color:#f0e6d0;font-size:.85rem;font-weight:600;cursor:pointer}.install-banner-install:hover{background:#d8c8a826}.install-banner-dismiss{padding:.1rem .4rem;border:none;background:transparent;color:#f0e6d0;font-size:1.1rem;line-height:1;opacity:.7;cursor:pointer}.install-banner-dismiss:hover{opacity:1}