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transparent;align-content:center;place-items:center;font-size:.82rem;display:grid}.fretboard-cell.in-scale{background:linear-gradient(to bottom, transparent 23px, var(--fret-string-line) 23px, var(--fret-string-line) 25px, transparent 25px), var(--scale-cell-fill)}.fretboard-cell.in-scale:not(.root):not(.practice-target):not(.practice-current){box-shadow:inset 0 0 0 1px var(--scale-cell-border)}.fretboard-fret-label.scale-box-range{background:color-mix(in srgb, var(--active-soft) 66%, var(--surface-soft));color:var(--active)}.fretboard-cell.scale-box-range:not(.practice-target):not(.practice-current){background:linear-gradient(to bottom, transparent 23px, var(--fret-string-line) 23px, var(--fret-string-line) 25px, transparent 25px), color-mix(in srgb, var(--active-soft) 38%, var(--paper))}.fretboard-fret-label.scale-box-start,.fretboard-cell.scale-box-start{border-left:2px solid color-mix(in srgb, var(--active) 72%, 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ease;border-radius:999px;justify-content:center;align-items:center;gap:4px;padding:3px 5px;line-height:1.05;display:inline-flex;position:relative}.fretboard-note-marker strong,.fretboard-note-marker span{justify-content:center;align-items:center;display:inline-flex}.fretboard-note-marker strong{background:var(--scale-marker-degree-bg);min-width:18px;min-height:18px;color:var(--scale-marker-degree-text);border-radius:999px;font-size:.68rem;font-weight:900}.fretboard-note-marker span{color:var(--ink);font-size:.78rem;font-weight:900}.fretboard-cell.root .fretboard-note-marker{border-color:var(--active);background:var(--active)}.fretboard-cell.root .fretboard-note-marker strong,.fretboard-cell.root .fretboard-note-marker span{color:var(--on-active)}.fretboard-cell.root .fretboard-note-marker strong{background:color-mix(in srgb, var(--on-active) 18%, transparent)}.fretboard-cell.practice-target .fretboard-note-marker{border-color:var(--focus-target-frame)}.fretboard-cell.root.practice-target .fretboard-note-marker{border-color:var(--active);background:var(--active)}.fretboard-cell.root.practice-target .fretboard-note-marker strong,.fretboard-cell.root.practice-target .fretboard-note-marker span{color:var(--on-active)}.fretboard-cell.root.practice-target .fretboard-note-marker strong{background:color-mix(in srgb, var(--on-active) 18%, transparent)}.fretboard-cell.practice-current .fretboard-note-marker{border-color:var(--gr-accent);background:var(--gr-accent);box-shadow:0 0 0 3px color-mix(in srgb, var(--gr-accent) 28%, transparent);transform:scale(1.15)}.fretboard-cell.practice-current .fretboard-note-marker strong,.fretboard-cell.practice-current .fretboard-note-marker span{color:var(--gr-ink)}.fretboard-cell.practice-current .fretboard-note-marker strong{background:color-mix(in srgb, var(--gr-ink) 14%, transparent)}.practice-drill-panel{background:var(--paper);min-width:0;box-shadow:var(--shadow-sm);border:0;border-radius:8px;gap:10px;padding:16px;display:grid}.practice-method-label{color:var(--muted);margin:0;font-size:.72rem;font-weight:900}.drill-category-tabs{grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:8px;display:grid}.drill-category-tab{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:8px;min-height:38px;padding:0 8px;font-size:.8rem;font-weight:900}.practice-method-select{border:1px solid var(--line);background:var(--surface);width:100%;min-height:48px;color:var(--ink);border-radius:8px;padding:10px 12px;font-size:1.125rem;font-weight:700}.caged-practice-picker{gap:10px;min-width:0;display:grid}.caged-route-options,.caged-form-options{gap:6px;min-width:0;display:grid}.caged-route-options{grid-template-columns:repeat(3,minmax(0,1fr))}.caged-form-options{grid-template-columns:repeat(5,minmax(0,1fr))}.caged-route-options button,.caged-form-option{border:1px solid var(--line);background:var(--surface);min-width:0;min-height:44px;color:var(--ink);border-radius:9px;font-size:.875rem;font-weight:750}.caged-route-options button.active{border-color:var(--active);background:var(--active);color:var(--on-active)}.caged-detail-slot{min-height:100px}.caged-detail-slot .practice-method-label{margin-bottom:9px}.caged-form-option{border-top-width:3px;place-content:center;gap:1px;display:grid}.caged-form-option strong{font-size:1.05rem}.caged-form-option small{font-size:.7rem}.caged-form-option.active{border-color:var(--active);background:var(--active-soft);color:var(--active);border-top-color:currentColor}.caged-form-c{border-top-color:#b65a5f}.caged-form-a{border-top-color:#a8842d}.caged-form-g{border-top-color:#3f8f7d}.caged-form-e{border-top-color:#4f7fb5}.caged-form-d{border-top-color:#8a72a8}.caged-connection-note{border:1px solid var(--line);background:var(--surface-soft);min-height:75px;color:var(--ink);border-radius:9px;align-items:center;margin:0;padding:12px;font-size:.875rem;font-weight:700;display:flex}.caged-tuning-note{color:var(--muted);margin:0;font-size:.875rem}.drill-category-tab.active{border-color:var(--active);background:var(--active-soft);color:var(--active)}.practice-session-bar.is-floating{bottom:calc(env(safe-area-inset-bottom) + 16px);z-index:90;border:1px solid var(--bar-line);background:var(--bar-bg);width:max-content;max-width:calc(100% - 32px);box-shadow:var(--bar-shadow);color:var(--bar-text);border-radius:999px;align-items:center;gap:12px;padding:8px 10px;display:flex;position:fixed;left:50%;transform:translate(-50%)}.practice-session-bar :focus-visible{outline:2px solid var(--gr-accent);outline-offset:2px}.practice-transport,.practice-rhythm{align-items:center;gap:6px;display:flex}.practice-session-bar .practice-play-button,.practice-session-bar .practice-stop-button,.practice-session-bar .practice-metronome-button,.practice-bottom-bpm button{border:1px solid var(--bar-line);background:var(--bar-surface);width:40px;height:40px;color:var(--bar-text);transition:transform .14s var(--ease-out);border-radius:999px;flex:none;place-items:center;padding:0;display:grid}.practice-session-bar .practice-play-button{border-color:var(--gr-accent);background:var(--gr-accent);width:44px;height:44px;color:var(--gr-ink)}.practice-session-bar .practice-play-button:disabled{border-color:var(--bar-line);background:var(--bar-surface);color:var(--bar-muted)}.practice-session-bar button:active:not(:disabled){transform:scale(.95)}.practice-bottom-bpm{border-left:1px solid var(--bar-line);align-items:center;gap:6px;min-width:0;padding-left:12px;display:flex}.practice-bottom-bpm-readout{justify-items:center;min-width:40px;display:grid}.practice-bottom-bpm-readout span,.practice-bottom-subdivision span{color:var(--bar-muted);white-space:nowrap;font-size:.6875rem;font-weight:700;line-height:1.2}.practice-bottom-bpm-readout strong{color:var(--bar-text);font-family:var(--gr-font-num);font-variant-numeric:tabular-nums;font-size:1.25rem;line-height:1.1}.practice-bottom-bpm button{width:32px;height:32px}.practice-bottom-bpm input[type=range]{width:132px;min-width:0;min-height:32px;accent-color:var(--bar-text);background:0 0;padding:0}.practice-rhythm{border-left:1px solid var(--bar-line);padding-left:12px}.practice-bottom-subdivision{align-items:center;gap:6px;min-width:0;display:flex}.practice-bottom-subdivision select{border-color:var(--bar-line);background-color:var(--bar-surface);width:7.5rem;min-width:0;height:36px;color:var(--bar-text);border-radius:999px;padding:0 26px 0 10px;font-size:.875rem;font-weight:700}.practice-click-level{border:1px solid var(--bar-line);background:var(--bar-surface);border-radius:999px;flex:none;padding:2px;display:flex}.practice-click-level button{width:3.75rem;height:32px;color:var(--bar-muted);font:inherit;white-space:nowrap;background:0 0;border:0;border-radius:999px;padding:0;font-size:.8125rem;font-weight:700}.practice-session-bar .practice-metronome-button[aria-pressed=true],.practice-click-level button[aria-pressed=true]{border-color:var(--bar-text);background:var(--bar-text);color:var(--bar-bg)}.practice-session-bar button:disabled,.practice-bottom-subdivision select:disabled{opacity:.45;cursor:not-allowed}@media (hover:hover) and (pointer:fine){.practice-session-bar .practice-play-button:hover:not(:disabled){border-color:var(--gr-accent-strong);background:var(--gr-accent-strong);color:var(--gr-on-ink)}.practice-session-bar .practice-stop-button:hover:not(:disabled){border-color:var(--danger);color:var(--danger)}.practice-session-bar .practice-metronome-button:not([aria-pressed=true]):hover,.practice-click-level button:not([aria-pressed=true]):hover:not(:disabled),.practice-bottom-bpm button:hover{border-color:var(--bar-muted)}}@media (width>=681px){.practice-mode-lab{padding-bottom:calc(112px + env(safe-area-inset-bottom))}}@media (width<=680px){.practice-session-bar.is-floating{right:10px;bottom:calc(env(safe-area-inset-bottom) + 10px);border-radius:var(--gr-radius-lg);grid-template-columns:auto minmax(0,1fr) auto;grid-template-areas:"bpm bpm bpm""transport rhythm metronome";gap:8px 10px;width:auto;max-width:none;padding:8px 10px;display:grid;left:10px;transform:none}.practice-transport{grid-area:transport}.practice-bottom-bpm{border-left:0;border-bottom:1px solid var(--bar-line);grid-area:bpm;padding:0 0 8px}.practice-bottom-bpm input[type=range]{flex:auto;width:auto}.practice-rhythm{border-left:0;grid-area:rhythm;justify-content:center;min-width:0;padding-left:0}.practice-session-bar .practice-metronome-button{grid-area:metronome}.practice-bottom-subdivision span{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.practice-bottom-subdivision select{flex:none;width:4.5rem;padding:0 20px 0 8px}.practice-rhythm{gap:4px}.practice-click-level button{width:2.875rem;font-size:.75rem}.practice-bottom-bpm button{width:40px;height:40px}}@media (width<=1280px){.practice-mode-lab .practice-drill-panel{gap:8px;padding:10px}}@media (width<=1080px){.app-shell{grid-template-columns:1fr}.workspace{padding-top:20px}.learning-toolbar{grid-template-columns:minmax(0,1fr)}}@media (width<=680px){:root{--tab-column-width:58px}.workspace{padding:12px 12px 88px;padding-bottom:max(196px, calc(176px + env(safe-area-inset-bottom)))}.practice-workspace .toolbar-kicker{margin-bottom:2px;font-size:.68rem}.scale-note-strip{scrollbar-width:thin;flex-wrap:nowrap;padding-bottom:4px;overflow-x:auto}.scale-note-chip{flex:none}.drill-category-tab{min-height:44px;padding:10px 12px;font-size:1rem;font-weight:700;line-height:1.35}.learning-controls{grid-template-columns:1fr}.practice-mode-lab{gap:10px}.practice-mode-lab .practice-lab{display:contents}.practice-mode-lab .learning-toolbar{order:1;gap:9px;padding:10px}.practice-mode-lab .practice-drill-panel{order:2}.practice-mode-lab .practice-fretboard-shell{order:4}.practice-mode-lab .practice-session-bar{order:5}.practice-mode-lab .practice-drill-panel{gap:8px;padding:8px}.practice-mode-lab .drill-category-tabs{gap:6px}.practice-mode-lab .learning-toolbar .toolbar-kicker{margin-bottom:4px;font-size:.875rem;font-weight:700}.practice-mode-lab .scale-note-chip{min-height:36px;padding:0 10px}.practice-mode-lab .learning-controls{grid-template-columns:1fr 1fr;gap:8px}.practice-mode-lab .learning-controls label{min-width:0;font-size:.875rem;font-weight:600}.practice-mode-lab .learning-controls>label{grid-column:1/-1}.practice-mode-lab .learning-controls select{min-height:44px;font-size:1rem;font-weight:600}.guitar-practice-view-tabs button{min-height:44px;font-size:1rem;font-weight:700}.practice-mode-lab .practice-method-label{font-size:.875rem;font-weight:600}.practice-mode-lab .drill-category-tabs{grid-template-columns:none;grid-auto-columns:minmax(0,1fr);grid-auto-flow:column}.practice-mode-lab .drill-category-tab{white-space:normal;min-width:0;line-height:1.35}.practice-mode-lab .scale-box-map-label{font-size:1rem;font-weight:700}.practice-mode-lab .scale-box-map-label span{font-size:.875rem;font-weight:600}.fretboard-row{--fret-column-width:52px;--fretboard-content-width:1300px}.practice-fretboard-board .fretboard-row{--fret-column-width:44px;--fretboard-content-width:1100px}.practice-fretboard-board .fretboard-fret-label,.practice-fretboard-board .fretboard-cell,.practice-fretboard-board .fretboard-fret-label>button{min-height:44px}.practice-fretboard-frame.has-string-rail{grid-template-columns:46px minmax(0,1fr)}.practice-string-rail{grid-template-rows:repeat(6,45px) 44px}.practice-string-rail>button,.practice-string-rail-heading{min-height:44px}.practice-fretboard-board .fretboard-note-marker{gap:2px;min-width:42px;padding:2px}.practice-fretboard-board .fretboard-cell.practice-current .fretboard-note-marker{transform:scale(1.08)}.practice-fretboard-board .fretboard-note-marker strong{min-width:18px;min-height:18px;font-size:.8rem}.practice-fretboard-board .fretboard-note-marker span{font-size:.875rem}}