:root{--bg-deep:#0a0a0f;--bg-panel:#ffffff08;--bg-panel-hover:#ffffff0f;--border-glass:#ffffff1a;--border-glass-glow:#90caf94d;--text-main:#e0e0e0;--text-muted:#8e8e99;--text-accent:#90caf9;--font-ui:"Outfit", sans-serif;--font-code:"JetBrains Mono", monospace;--accent-primary:#3b82f6;--accent-primary-glow:#3b82f680;--danger:#ef4444;--fret-wood:#1e1e24;--fret-wire:#4a4a55;--fret-marker:#3a3a45;--string-color:#ffffffb3;--string-interaction:#60a5fa;--radius-lg:16px;--radius-md:8px;--radius-sm:4px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-deep);color:var(--text-main);font-family:var(--font-ui);background-image:radial-gradient(circle at 50% 0,#3b82f61a 0%,#0000 50%);justify-content:center;min-height:100vh;display:flex}#app{flex-direction:column;gap:2rem;width:100%;max-width:1200px;padding:2rem;display:flex}header{justify-content:space-between;align-items:center;display:flex}.logo{align-items:center;gap:1rem;display:flex}.logo h1{letter-spacing:-.5px;background:linear-gradient(135deg,#e0e0e0 0%,#90caf9 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.5rem;font-weight:800}.badge{color:var(--text-accent);border-radius:var(--radius-sm);text-transform:uppercase;letter-spacing:1px;background:#3b82f633;padding:.25rem .5rem;font-size:.75rem;font-weight:600}.controls{gap:1rem;display:flex}.glass-btn{background:var(--bg-panel);border:1px solid var(--border-glass);color:var(--text-main);font-family:var(--font-ui);border-radius:var(--radius-md);cursor:pointer;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:.5rem 1rem;font-size:.9rem;font-weight:600;transition:all .2s}.glass-btn:hover{background:var(--bg-panel-hover);border-color:var(--border-glass-glow);box-shadow:0 0 15px #3b82f61a}.glass-btn.danger:hover{color:#ff8a8a;border-color:#ef444480;box-shadow:0 0 15px #ef444426}.view-toggles{border-radius:var(--radius-md);border:1px solid var(--border-glass);background:#0006;padding:.25rem;display:flex}.view-toggles .glass-btn{color:var(--text-muted);background:0 0;border:none}.view-toggles .glass-btn.active{color:var(--text-accent);background:#3b82f633}.view-analysis .sandbox-only,.view-analysis .enrich-only,.view-sandbox .analysis-only,.view-sandbox .enrich-only,.view-enrich .sandbox-only,.view-enrich .analysis-only{display:none!important}.tab-segment.bar-line{color:#fff3;pointer-events:none;margin:0 4px}.tab-segment.is-rest{border-radius:var(--radius-sm);background:repeating-linear-gradient(45deg,#0000,#0000 10px,#ffffff0d 10px 20px)}.sandbox-container{flex-direction:column;gap:2rem;display:flex}.glass-panel{background:var(--bg-panel);border:1px solid var(--border-glass);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:1.5rem;box-shadow:0 8px 32px #0003}.panel-header{justify-content:space-between;align-items:center;margin-bottom:1.5rem;display:flex}.panel-header h2{color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;font-size:1rem;font-weight:600}.status-indicator{color:var(--text-muted);align-items:center;gap:.5rem;font-size:.85rem;display:flex}.pulse{background-color:var(--danger);border-radius:50%;width:8px;height:8px;animation:2s infinite pulse-animation;box-shadow:0 0 #ef4444b3}@keyframes pulse-animation{0%{box-shadow:0 0 #ef4444b3}70%{box-shadow:0 0 0 10px #ef444400}to{box-shadow:0 0 #ef444400}}.editor-container{border-radius:var(--radius-md);background:#0006;border:1px solid #ffffff0d;min-height:180px;padding:1.5rem;overflow-x:auto}.interactive-tab{font-family:var(--font-code);color:#a6accd;white-space:pre;font-size:1rem;line-height:1.6;display:flex}.tab-segment{flex-direction:column;display:flex}.tab-segment.selectable{cursor:pointer;border-radius:var(--radius-sm);transition:background .2s,color .2s}.tab-segment.selectable:hover{background:#ffffff1a}.tab-segment.selected{color:var(--text-accent);background:#3b82f633}.tab-segment.selectable{padding:0 2px}.tab-segment.selectable:nth-child(4n+1){border-left:1px solid #ffffff0f}.tab-cell{height:1.6em}.toast{background:var(--text-main);color:var(--bg-deep);z-index:1000;border-radius:30px;padding:.75rem 1.5rem;font-size:.9rem;font-weight:600;transition:opacity .3s,transform .3s;position:fixed;bottom:2rem;left:50%;transform:translate(-50%);box-shadow:0 10px 25px #00000080}.toast.hidden{opacity:0;pointer-events:none;transform:translate(-50%)translateY(20px)}#fretboard-container{background:var(--fret-wood);border-radius:var(--radius-md);border:1px solid #00000080;flex-direction:column;padding:2rem 0;display:flex;position:relative;overflow-x:auto;box-shadow:inset 0 10px 20px #00000080}.string-row{align-items:center;width:max-content;height:40px;display:flex;position:relative}.fret-cell{width:var(--fret-width);border-right:3px solid var(--fret-wire);cursor:pointer;z-index:2;flex:none;justify-content:center;align-items:center;height:100%;transition:background .15s;display:flex;position:relative}.fret-cell:before{content:"";z-index:1;pointer-events:none;background:linear-gradient(#d4d4d8 0%,#a1a1aa 100%);position:absolute;top:50%;left:0;right:0;transform:translateY(-50%);box-shadow:0 2px 4px #0006}.fret-cell[data-string="1"]:before{height:1px}.fret-cell[data-string="2"]:before{height:1.5px}.fret-cell[data-string="3"]:before{height:2px}.fret-cell[data-string="4"]:before{height:2.5px}.fret-cell[data-string="5"]:before{height:3px}.fret-cell[data-string="6"]:before{height:3.5px}.fret-cell[data-fret="0"]{width:var(--nut-width);z-index:10;background:#18181f;border-right:6px solid #e5e5e5;position:sticky;left:0;box-shadow:2px 0 5px #00000080}.nut-string-label{color:#ffffff80;font-size:.75rem;font-weight:800;font-family:var(--font-ui);pointer-events:none;z-index:5;letter-spacing:.5px;position:absolute}.fret-cell:hover{background:#ffffff0d}.fret-cell.active:after{content:"";background:var(--accent-primary);width:16px;height:16px;box-shadow:0 0 15px var(--accent-primary-glow), inset 0 2px 4px #fff6;z-index:4;border-radius:50%;animation:.2s cubic-bezier(.175,.885,.32,1.275) forwards popIn;position:absolute}@keyframes popIn{0%{opacity:0;transform:scale(0)}to{opacity:1;transform:scale(1)}}.fret-cell.context-active:after{content:"";background:var(--text-muted);opacity:.2;z-index:3;border-radius:50%;width:14px;height:14px;animation:.2s cubic-bezier(.175,.885,.32,1.275) forwards popIn;position:absolute}.fret-cell.chord-preview:after{content:"";z-index:5;background:#10b981;border-radius:50%;width:18px;height:18px;animation:.15s cubic-bezier(.175,.885,.32,1.275) forwards popIn;position:absolute;box-shadow:0 0 12px #10b98180,inset 0 2px 4px #ffffff4d}.fret-cell.in-scale:after{content:"";opacity:.15;z-index:2;background:#f59e0b;border-radius:50%;width:32px;height:32px;position:absolute;box-shadow:0 0 15px #f59e0b66}.fret-cell.in-scale.is-root:after{opacity:.25;background:#3b82f6;box-shadow:0 0 15px #3b82f680}.fret-marker{background:var(--fret-marker);z-index:0;pointer-events:none;border-radius:50%;width:20px;height:20px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.tuning-controls{align-items:center;gap:1.5rem;padding:.5rem 0;display:flex}.control-group{align-items:center;gap:.5rem;display:flex}.control-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:.8rem;font-weight:500}.glass-select{border:1px solid var(--border-glass);color:var(--text-main);border-radius:var(--radius-sm);cursor:pointer;background:#0000004d;outline:none;padding:.35rem .75rem;font-size:.85rem}.glass-select:focus{border-color:var(--accent-primary)}.glass-select option{color:var(--text-main);background:#1a1a2e}.transpose-btns{align-items:center;gap:.25rem;display:flex}.transpose-btns .glass-btn{justify-content:center;align-items:center;width:28px;height:28px;padding:0;font-size:1rem;font-weight:700;display:flex}.transpose-display{text-align:center;min-width:28px;color:var(--accent-primary);font-size:.85rem;font-weight:600}.fret-cell.in-scale-subtle{background:#818cf80f}.fret-cell.in-scale-subtle:after{content:"";pointer-events:none;background:#818cf840;border-radius:50%;width:6px;height:6px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.fret-cell.in-position:after{content:"";pointer-events:none;background:#818cf880;border-radius:50%;width:10px;height:10px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.fret-cell.in-position.is-root:after{background:#fb923c99}#fretboard-container{scroll-snap-type:x mandatory;padding-bottom:1rem}.fret-cell{scroll-snap-align:start}.playback-controls{align-items:center;gap:.75rem;display:flex}.tempo-slider{appearance:none;background:#ffffff26;border-radius:2px;outline:none;width:100px;height:4px}.tempo-slider::-webkit-slider-thumb{-webkit-appearance:none;background:var(--accent-primary);cursor:pointer;border-radius:50%;width:14px;height:14px}.tab-segment.playback-active{outline:2px solid var(--accent-primary);outline-offset:-1px;background:#818cf840!important}.fretboard-controls{align-items:center;gap:1.5rem;display:flex}.toggle-control{cursor:pointer;color:var(--text-muted);align-items:center;gap:.5rem;font-size:.85rem;display:flex}.audio-toggle{padding:.35rem .75rem;font-size:.8rem}.audio-toggle.active{color:#6ee7b7;background:#10b98126;border-color:#10b98180;box-shadow:0 0 10px #10b98126}.modifier-status{color:var(--accent-primary);text-transform:uppercase;margin-left:.5rem;font-size:.75rem;font-weight:600}.mode-status{color:var(--text-muted);font-size:.85rem;transition:color .2s}.mode-status.mode-active{color:var(--accent-primary);font-weight:600}.fret-cell[data-fret="0"]:before{display:none}.note-overlay{color:#fff;pointer-events:none;z-index:10;opacity:0;background:#00000080;border-radius:4px;padding:2px 4px;font-size:.7rem;font-weight:600;transition:opacity .2s;position:absolute}#fretboard-container.show-theory .note-overlay{opacity:1}.fret-cell.drag-target:after{content:"";z-index:3;background:0 0;border:2px dashed #a78bfa;border-radius:50%;width:16px;height:16px;position:absolute}.toolbar{justify-content:space-between;align-items:center;margin-bottom:1rem;display:flex}.input-modes{gap:.5rem;display:flex}.mode-btn{border:1px solid var(--border-glass);color:var(--text-muted);border-radius:var(--radius-sm);cursor:pointer;font-family:var(--font-ui);background:#0000004d;padding:.4rem .8rem;font-size:.85rem;transition:all .2s}.mode-btn:hover{background:#ffffff0d}.mode-btn.active{color:var(--text-accent);border-color:var(--accent-primary);background:#3b82f633;box-shadow:0 0 10px #3b82f633}.scroll-arrows{gap:.5rem;display:flex}#fretboard-container::-webkit-scrollbar{height:8px}#fretboard-container::-webkit-scrollbar-track{border-radius:var(--radius-sm);background:#0003}#fretboard-container::-webkit-scrollbar-thumb{border-radius:var(--radius-sm);background:#fff3}:root{--view-width:calc(100vw - 4rem);--frets-per-view:8;--nut-width:40px;--fret-width:calc((var(--view-width) - var(--nut-width)) / var(--frets-per-view))}@media (width<=900px){:root{--frets-per-view:6}}@media (width<=600px){:root{--frets-per-view:4}}.fret-labels-row{background:0 0;border:none;height:25px}.fret-label{color:#fff6;border-right:none;align-items:flex-end;padding-bottom:4px;font-size:.8rem;font-weight:700;display:flex}.fret-label[data-fret="0"]{box-shadow:none;background:0 0;border-right:none}.fret-labels-row .fret-cell:before{display:none!important}.cli-container{width:100%;margin-top:1rem}.cli-input{border:1px solid var(--border-glass);width:100%;color:var(--text-main);border-radius:var(--radius-sm);font-family:var(--font-code);box-sizing:border-box;background:#0006;padding:.75rem 1rem;font-size:.9rem}.editor-header{justify-content:space-between;align-items:center;margin-bottom:1rem;display:flex}.export-options{gap:.5rem;display:flex}.tab-segment{position:relative}.tab-delete-btn{background:var(--danger);color:#fff;cursor:pointer;opacity:0;z-index:10;border:none;border-radius:50%;justify-content:center;align-items:center;width:16px;height:16px;padding:0;font-size:10px;line-height:1;transition:opacity .15s;display:flex;position:absolute;top:-6px;right:-2px}.tab-segment:hover .tab-delete-btn{opacity:1}.tab-delete-btn:hover{background:#dc2626;transform:scale(1.15)}.library-panel{border-top:1px solid var(--border-glass)}.library-empty{color:var(--text-muted);padding:1rem 0;font-size:.85rem}.library-item{border-bottom:1px solid #ffffff0a;justify-content:space-between;align-items:center;padding:.75rem 0;display:flex}.library-item:last-child{border-bottom:none}.library-item-info{flex-direction:column;gap:.25rem;display:flex}.library-item-name{font-size:.9rem;font-weight:600}.library-item-meta{color:var(--text-muted);font-size:.75rem}.library-item-actions{gap:.5rem;display:flex}