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10px;font-size:.88rem;line-height:1.6;animation:.2s pop;display:grid}.hud-msg.tip{animation:none}.right-hand.compact{gap:8px}.right-hand.compact .rh-svg{width:54px;height:54px}.right-hand.compact .rh-name{gap:6px;font-size:1.05rem;line-height:1.35}.right-hand.compact .rh-symbol{min-width:28px;height:28px;font-size:1.1rem}.right-hand.compact .chips{margin:4px 0 0}.right-hand.compact .chip{width:18px;height:18px;font-size:.7rem}@media (width<=430px){.bar:has(.toggle-btn) .play{min-width:52px;padding-inline:12px}.bar:has(.toggle-btn) .play-label{display:none}}@media (width<=370px){.song-stage .play-label{display:none}.song-stage .bar .play{min-width:52px}}@media (height<=520px) and (orientation:landscape){.stage{gap:6px;padding-top:6px}.area-head{grid-template-columns:minmax(0,1fr) auto;align-items:center}.stage-warn span,.stage-title small{display:none}.stage-head .icon-btn,.mode-seg button{height:36px}.hud{gap:6px 10px;padding:6px 10px}.hud-label,.hud-next,.right-hand.compact .rh-svg,.right-hand.compact .chips{display:none}.hud .finger-dot{width:36px;height:36px;font-size:1.1rem}.hud-note{font-size:1.4rem}.hud-msg{padding:3px 8px;font-size:.8rem}.bar .play,.bar .icon-btn:not(.small){height:40px;min-height:40px}}html.is-focus{--header-h:0px}html.is-focus .topbar{display:none}html.is-focus .stage{padding-top:max(8px, env(safe-area-inset-top))}html.is-focus .stage-title small,html.is-focus .stage-warn,html.is-focus .neck-switch,html.is-focus .hud-label,html.is-focus .hud-next,html.is-focus .right-hand.compact .rh-svg,html.is-focus .right-hand.compact .chips,html.is-focus .lesson-stage .bar .toggle-btn{display:none}.focus-btn.on{color:var(--accent);border-color:var(--accent)}.fretboard.fit.whole{justify-content:center;overflow:hidden}.fretboard.fit.whole svg{width:100%;max-width:100%;height:100%}@media (height<=520px) and (orientation:landscape){.song-stage{grid-template:"head sheet""hud sheet"minmax(0,1fr)"neck neck"min(32dvh,140px)"bar bar"/minmax(0,1fr) 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.icon-btn:not(.small){width:36px}}.tempo-stepper{border:1px solid var(--line);background:var(--bg-2);border-radius:12px;align-items:center;gap:4px;padding:2px 4px;display:inline-flex}.tempo-stepper .icon-btn{background:0 0;border-color:#0000;width:28px}.tempo-value{justify-items:center;min-width:38px;line-height:1.15;display:grid}.tempo-value b{font-size:1.05rem}.tempo-value small{color:var(--muted);font-size:.65rem}.bar-meter{flex:70px;align-items:center;gap:6px;min-width:60px;max-width:220px;display:flex}.bar-meter .mic-meter{flex:1;min-width:30px}.neck-switch{top:6px;z-index:5;position:absolute;inset-inline-start:6px}.fretboard.fit{scrollbar-width:none;background:0 0;border-radius:0;align-items:center;height:100%;margin:0;padding:0;display:flex;overflow:auto hidden}.fretboard.fit svg{flex:none;width:auto;min-width:0;max-width:none;height:min(100%,170px)}.setar3d.fill{height:100%;position:relative}.setar3d.fill .setar3d-stage{border-radius:0;height:100%;container:s3/size}.setar3d.fill .setar3d-bar{z-index:4;top:6px;margin:0;position:absolute;inset-inline-end:6px}@media (width<=700px){.setar3d.fill .s3-cap,.setar3d.fill .setar3d-bar{display:none}}.setar3d.fill .setar3d-bar .btn{background:color-mix(in srgb, var(--surface) 80%, transparent)}.area-steps.step-list{scrollbar-width:none;flex-wrap:nowrap;align-self:center;margin:0;padding:2px;overflow-x:auto}.area-steps .step-chip{flex:none}.song-stage.s3-full{grid-template:"head""neck"minmax(0,1fr)"hud""steps""bar"/minmax(0,1fr)}.song-stage.s3-full .area-hud{box-shadow:none;background:0 0;border:0;padding:0;display:block}.song-stage.s3-full .area-hud .hud-hand{display:none}.song-stage.s3-full .area-hud .hud-msg{margin:0}.note-line .step-chip{min-width:58px;padding:4px 10px}.note-line .sc-note,.note-line .sc-meta{white-space:nowrap}.note-line .sc-meta{color:var(--muted);font-size:.72rem}.note-line .step-chip.on .sc-meta{color:inherit}.note-line .step-chip.mark-ok,.note-line .step-chip.mark-fixed{border-color:var(--good)}.note-line .step-chip.mark-wrong{border-color:var(--danger)}.note-line .step-chip.mark-skip{opacity:.55}.s3-focus{z-index:5;top:6px;background:color-mix(in srgb, var(--surface) 85%, transparent);position:absolute;inset-inline-end:6px}.setar3d.full .s3-zoom{top:auto;bottom:8px}@media (height<=520px) and (orientation:landscape){.tuner-stage{grid-template:"head head""main strings"minmax(0,1fr)"bar bar"/minmax(0,1.3fr) minmax(0,1fr);max-width:none}.tuner-stage .string-grid{grid-template-columns:repeat(2,minmax(0,1fr));align-content:center}.tuner-stage .gauge-svg{height:min(34dvh,180px)}.tuner-stage .area-main{overflow:hidden}}.tuner-stage .area-main{text-align:center;align-content:center;justify-items:center;gap:4px;display:grid}.tuner-stage .gauge-svg{width:auto;max-width:100%;height:min(30dvh,230px)}.tuner-stage .gauge-readout .big-note{font-size:clamp(2.2rem,9vw,3.4rem)}.string-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;margin:0;padding:0;list-style:none;display:grid}.string-grid li{position:relative}.string-pick{border:1px solid var(--line);background:var(--surface);cursor:pointer;border-radius:12px;justify-items:center;gap:0;width:100%;padding:20px 4px 6px;display:grid}.string-pick b{font-size:1.15rem}.string-pick small{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;order:2;max-width:100%;font-size:.72rem;overflow:hidden}.string-pick .swatch{border:0;border-radius:2px;order:1;width:60%;height:4px;margin:2px 0 4px}.string-grid li.on .string-pick{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}.string-grid .icon-btn{top:2px;background:0 0;border-color:#0000;width:24px;height:24px;position:absolute;inset-inline-end:2px}.tool-stage .bar .play{flex:auto;max-width:420px}.metro-stage .area-main{box-shadow:none;background:0 0;border:0;align-content:center}.home{max-width:720px}.home-head h1{margin:18px 0 6px;font-size:clamp(1.6rem,5vw,2.4rem);line-height:1.35}.home-head h1 em{color:var(--accent);font-style:normal}.home-head .lead{margin:0 0 14px}.continue-card{border:1px solid color-mix(in srgb, var(--accent) 45%, var(--line));background:linear-gradient(135deg, color-mix(in srgb, var(--accent) 12%, var(--surface)), var(--surface));color:var(--ink);box-shadow:var(--shadow);border-radius:20px;gap:10px;margin-top:12px;padding:16px;text-decoration:none;display:grid}.continue-card:hover{border-color:var(--accent)}.continue-label{color:var(--accent);font-size:.85rem;font-weight:700}.continue-main{align-items:center;gap:12px;display:flex}.continue-text{flex:1;min-width:0}.continue-text b{font-size:1.15rem;display:block}.continue-text small{color:var(--muted);display:block}.continue-go{flex:none;gap:6px}.progress{background:var(--surface-2);border-radius:3px;height:6px;display:block;overflow:hidden}.progress-fill{background:var(--accent);border-radius:3px;height:100%;display:block}.tune-first{color:var(--muted);align-items:center;gap:6px;margin:10px 4px 0;font-size:.9rem;display:flex}.quick-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:20px;display:grid}@media (width<=420px){.quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}.quick{border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);min-height:56px;color:var(--ink);align-items:center;gap:10px;padding:10px 14px;font-weight:600;text-decoration:none;display:flex}.quick svg{color:var(--accent);flex:none}.quick:hover{border-color:var(--accent)}.home-more{flex-wrap:wrap;gap:6px 18px;margin:14px 4px 0;font-size:.9rem;display:flex}.home-more a{align-items:center;gap:4px;display:inline-flex}.ltr-term{white-space:nowrap;direction:ltr;unicode-bidi:isolate}