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3px;display:grid;position:relative}.rhythm-step:nth-child(odd){background:#173c3509}.rhythm-step.current{background:#ead9ca}.rhythm-count{font:400 18px Georgia,serif}.rhythm-step i{border:2px solid #173c353b;border-radius:50%;width:13px;height:13px}.rhythm-step.has-hit i{border-color:var(--copper);background:var(--copper);width:23px;height:23px;box-shadow:0 0 0 6px #b9784a1f}.rhythm-step.current i{transform:scale(1.25)}.rhythm-action{color:#0000;font-size:10px;font-weight:700}.rhythm-step.has-hit .rhythm-action{color:var(--copper)}.rhythm-cue-status{border-top:1px solid var(--line);min-width:190px;color:var(--ink-soft);justify-content:center;justify-self:center;align-items:center;gap:8px;padding:10px 16px;font-size:10px;display:flex}.rhythm-cue-status i{background:#173c3538;border-radius:50%;width:7px;height:7px}.rhythm-cue-status.is-on i{background:var(--copper);box-shadow:0 0 0 4px #b9784a1f}.rhythm-progress{border-left:1px solid var(--line);color:var(--copper);margin-left:5px;padding-left:13px}.rhythm-controls{grid-template-columns:minmax(150px,1fr) minmax(270px,300px) minmax(150px,170px) minmax(145px,auto) auto;gap:14px 18px}.rhythm-controls .transport-controls{grid-column:2/-1;margin-top:0}.rhythm-controls .transport-controls.is-idle{grid-column:auto;align-items:end;gap:9px;padding-top:0;display:grid}.rhythm-controls .transport-controls.is-idle .start-note{color:var(--ink-soft);white-space:nowrap;font-size:10px}.rhythm-controls .transport-controls.is-idle button{min-width:132px;min-height:38px;padding:8px 18px}.offbeat-control .segmented button{flex:1}.order-control .segmented button{flex:1;min-width:0}.order-control .segmented button:focus-visible{outline:2px solid var(--copper);outline-offset:2px}.rhythm-cue-toggle{border:1px solid var(--line);justify-content:space-between;width:100%;min-height:38px;padding:7px 12px}.rhythm-cue-copy{gap:2px;display:grid}.rhythm-cue-copy strong{color:var(--ink);font-size:10px;font-weight:600}.rhythm-cue-copy small{color:var(--ink-soft);font-size:8px}.next-pattern-button{border:1px solid var(--copper);color:var(--copper);background:0 0}.next-pattern-button:disabled{cursor:not-allowed;opacity:.48}.guitar-scales-page{width:min(1080px,100% - 40px);padding-top:30px}.guitar-hero{justify-content:space-between;align-items:end;gap:28px;margin:30px 0 34px;display:flex}.guitar-hero h1{font-size:clamp(35px,5vw,56px)}.guitar-hero>p{max-width:330px;color:var(--ink-soft);margin:0 0 5px;font-size:13px;line-height:1.8}.guitar-workspace{border:1px solid var(--line);background:var(--white);box-shadow:var(--shadow)}.guitar-settings{border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:end;gap:26px;padding:27px clamp(20px,4vw,40px);display:flex}.guitar-settings .section-label{margin-bottom:9px}.guitar-scale-types,.guitar-label-modes{flex-wrap:wrap;gap:4px;display:flex}.guitar-scale-types button,.guitar-label-modes 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5px);left:0}.select-list-menu button{width:100%;color:var(--ink);text-align:left;cursor:pointer;background:0 0;border:0;padding:9px 10px;font-size:13px;display:block}.select-list-menu button:hover,.select-list-menu button.selected{color:var(--forest);background:#e7efec}.guitar-scale-notes{color:var(--ink-soft);gap:8px;margin-left:auto;font-size:11px;display:grid}.guitar-scale-notes ol{flex-wrap:wrap;gap:6px 12px;margin:0;padding:0;list-style:none;display:flex}.guitar-scale-notes li{white-space:nowrap;align-items:baseline;gap:4px;display:inline-flex}.guitar-scale-notes li span{color:var(--copper)}.guitar-scale-notes strong{color:var(--ink);font-size:13px;font-weight:500}.guitar-position-section{padding:34px clamp(20px,4vw,40px) 29px}.guitar-section-head{justify-content:space-between;align-items:end;gap:16px;display:flex}.guitar-section-head h2{margin:0;font:400 clamp(27px,3vw,36px) Georgia,Songti SC,serif}.guitar-view-list{gap:8px;margin:25px 0 18px;display:flex}.guitar-view-list button{border:1px solid var(--line);color:var(--ink);cursor:pointer;background:0 0;padding:11px 20px;font-size:13px}.guitar-view-list button.active{border-color:var(--forest);background:var(--forest);color:#fff}.guitar-window-controls{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:25px;display:flex}.guitar-window-controls label{color:var(--ink-soft);flex:0 0 100%;order:-1;font-size:12px}.guitar-window-controls label strong{color:var(--ink);margin-left:5px;font-weight:500}.guitar-window-controls button{border:1px solid var(--line);background:var(--white);color:var(--ink);cursor:pointer;flex:none;padding:8px 10px;font-size:12px}.guitar-window-controls button:disabled{opacity:.4;cursor:not-allowed}.guitar-window-controls input{min-width:60px;accent-color:var(--forest);flex:1}.guitar-view-list button:focus-visible,.guitar-window-controls button:focus-visible,.guitar-window-controls input:focus-visible{outline:2px solid 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var(--copper);outline-offset:2px}.guitar-fretboard{background:#fdfbf7}.guitar-board-panel.full .guitar-fretboard{min-width:calc(var(--fret-count) * 48px)}.guitar-board-panel.full .guitar-axis-labels{grid-template-rows:repeat(6,48px) 42px}.guitar-fret-footer,.guitar-string-row{grid-template-columns:repeat(var(--fret-count), minmax(0, 1fr));display:grid}.guitar-fret-footer{min-height:42px;color:var(--ink);text-align:center;background:#e1ebe6;align-items:center;font-size:11px;font-weight:600}.guitar-string-row{min-height:62px}.guitar-board-panel.full .guitar-string-row{min-height:48px}.guitar-string-name{border-top:1px solid var(--line);color:var(--ink);place-items:center;font-size:11px;font-weight:600;display:grid}.guitar-fret-cell{border-top:1px solid var(--line);border-right:1px solid var(--line);place-items:center;min-width:0;display:grid}.guitar-fret-cell.in-position{background:#f2ebe1}.guitar-fret-cell:last-child{border-right:0}.guitar-note{width:42px;height:42px;color:var(--ink);cursor:pointer;background:#e4e7e5;border:0;border-radius:50%;place-items:center;padding:0;font:400 14px Georgia,serif;display:grid}.guitar-board-panel.full .guitar-note{width:36px;height:36px;font-size:12px}.guitar-note.root{background:var(--forest);color:#fff}.guitar-note.selected{box-shadow:0 0 0 4px #b9784a4d}.guitar-note:hover{transform:scale(1.08)}.guitar-note:focus-visible{outline:3px solid var(--copper);outline-offset:3px}.guitar-board-footer{color:var(--ink-soft);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;margin:15px 0 24px;font-size:12px;display:flex}.guitar-board-footer>span:first-child{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.guitar-board-footer>span:first-child>span{margin-left:10px}.guitar-root-key,.guitar-scale-key{background:var(--forest);border-radius:50%;width:11px;height:11px;display:inline-block}.guitar-scale-key{background:#e4e7e5;margin-left:9px}.guitar-practice-prompt{border-top:1px solid var(--line);background:#f8f3ea;justify-content:space-between;align-items:center;gap:24px;padding:26px clamp(20px,4vw,40px);display:flex}.guitar-practice-prompt p:not(.section-label){margin:0 0 8px;font-size:14px;line-height:1.7}.guitar-practice-prompt small{color:var(--ink-soft);font-size:11px;line-height:1.5}.guitar-practice-prompt button{border:1px solid var(--forest);background:var(--forest);color:#fff;cursor:pointer;flex:none;padding:11px 17px;font-size:12px}@media (width<=860px){.site-header{grid-template-columns:1fr auto}nav{gap:22px;display:flex}.register-choices{flex-wrap:wrap;justify-content:start}.note-explorer{grid-template-columns:1fr}.note-explorer-select{border-right:0;border-bottom:1px solid var(--line)}.library-hero{grid-template-columns:1fr;gap:25px}.exercise-grid,.practice-controls{grid-template-columns:1fr 1fr}.tempo-control{grid-column:1/-1}.practice-controls>.control-group:not(.tempo-control):not(.range-control){justify-self:start;width:min(190px,100%)}.practice-controls>.control-group:not(.tempo-control):not(.range-control) .segmented button{flex:1}.rhythm-controls .transport-controls{grid-column:1/-1}.rhythm-controls .transport-controls.is-idle{grid-column:2;justify-self:end}.guitar-settings{flex-wrap:wrap}.guitar-scale-notes{width:100%;margin-left:0}}@media (width<=560px){.illustrated-card{grid-template-columns:minmax(0,1fr) 100px;column-gap:10px;padding:20px}.illustrated-card>p:not(.section-label){grid-column:1/-1}.library-visual{grid-row:1/3}.illustrated-card .section-label{gap:5px;font-size:10px}.illustrated-card h2{font-size:25px}.instrument-icon{width:22px;height:22px}.site-header{padding-inline:12px}.brand{gap:6px;font-size:17px}.brand-name-full{display:none}.brand-name-compact{display:inline}nav{gap:20px}main{width:min(100% - 24px,1240px);padding-top:40px}.note-identity{gap:12px}.staff-figure{width:170px}.flute-fingering{gap:15px;transform:scale(.9)}.hand{gap:5px}.explorer-note-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.explorer-detail .note-identity{gap:10px}.explorer-meta{flex-direction:column;align-items:start}.practice-library{padding-top:48px}.exercise-grid{grid-template-columns:1fr}.exercise-card{min-height:250px}.exercise-card-footer{flex-wrap:wrap}.focus-practice{width:min(100% - 24px,1080px);padding-top:22px}.focus-topbar{display:flex}.focus-topbar>span{display:none}.focus-stage{min-height:500px;margin-inline:-12px;padding-inline:18px}.answer-panel{grid-template-columns:1fr auto;gap:12px}.answer-fingering{order:3;grid-column:1/-1;overflow:hidden}.answer-piano{order:4;grid-column:1/-1}.piano-wrap.compact{width:min(100%,260px);margin-inline:auto}.answer-name>span{font-size:46px}.practice-controls{grid-template-columns:1fr;gap:17px}.tempo-control{grid-column:auto}.practice-controls>.control-group:not(.tempo-control):not(.range-control){width:190px;max-width:100%}.segmented button{flex:1}.transport-controls{grid-column:auto}.transport-controls button{flex:1;min-width:0}.transport-controls{flex-wrap:wrap}.rhythm-stage{gap:28px;min-height:430px;margin-inline:-12px;padding-inline:12px}.rhythm-step{grid-template-rows:22px 52px 20px;padding:12px 1px}.rhythm-grid.is-sixteenth .rhythm-step{grid-template-rows:20px 42px 18px;padding-block:10px}.rhythm-grid.is-sixteenth .rhythm-count{font-size:12px}.rhythm-grid.is-sixteenth .rhythm-step i{width:9px;height:9px}.rhythm-grid.is-sixteenth .rhythm-step.has-hit i{width:14px;height:14px;box-shadow:0 0 0 3px #b9784a1f}.rhythm-count{font-size:15px}.rhythm-step.has-hit i{width:18px;height:18px;box-shadow:0 0 0 4px #b9784a1f}.rhythm-controls{grid-template-columns:1fr}.rhythm-controls .transport-controls{grid-column:auto}.rhythm-controls .transport-controls.is-idle{grid-column:1;justify-self:stretch;width:100%}.rhythm-controls .transport-controls.is-idle button{width:100%}.offbeat-control .segmented button{min-width:0;padding-inline:5px}.guitar-scales-page{width:min(100% - 24px,1080px);padding-top:22px}.guitar-hero{gap:14px;margin:26px 0;display:grid}.guitar-hero>p{max-width:none}.guitar-workspace{margin-inline:-12px}.guitar-settings{gap:18px}.guitar-section-head{flex-direction:column;align-items:start;gap:7px}.guitar-view-list{margin-top:21px}.guitar-window-controls,.guitar-board-tools{flex-wrap:wrap}.guitar-board-layout{grid-template-columns:44px minmax(0,1fr)}.guitar-axis-labels{grid-template-rows:repeat(6,54px) 42px}.guitar-board-panel.full .guitar-fretboard{min-width:calc(var(--fret-count) * 44px)}.guitar-board-panel.full .guitar-axis-labels{grid-template-rows:repeat(6,44px) 42px}.guitar-string-row{min-height:54px}.guitar-board-panel.full .guitar-string-row{min-height:44px}.guitar-note{width:34px;height:34px;font-size:11px}.guitar-board-panel.full .guitar-note{width:32px;height:32px;font-size:11px}.guitar-board-footer{flex-direction:column;align-items:start}.guitar-practice-prompt{flex-direction:column;align-items:stretch;gap:16px}.guitar-practice-prompt button{align-self:start}.sight-practice .practice-controls{grid-template-columns:minmax(0,1fr)}.sight-practice .range-control{grid-column:auto}.sight-practice .segmented{flex-wrap:wrap}.sight-practice .range-control .segmented button{flex:1 0 30%}.sight-setup-panel{padding:20px}.sight-setup-panel .practice-controls{gap:20px}.sight-setup-panel .transport-controls{flex-direction:column-reverse;align-items:stretch;gap:8px}.sight-setup-panel .setup-reference{text-align:center;margin:0}.sight-setup-panel .transport-controls button{width:100%}.sight-practice .focus-stage{grid-template-rows:auto 1fr auto auto;min-height:420px}.answer-fingering,.answer-piano{width:100%}.rhythm-controls .control-group{grid-column:1}.rhythm-controls.practice-controls>.control-group{width:100%}.note-explorer-select,.explorer-detail{padding:20px}.explorer-detail .note-identity{flex-wrap:wrap}}