:root{--bg: #0f1115;--panel: #171a21;--panel-2: #1e222b;--text: #eef1f6;--muted: #8b93a3;--chord: #7ab8ff;--chord-passing: #566072;--accent: #ffcf5c;--line: #262b36;--font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-chord: var(--font-ui);--radius: 14px;--radius-sm: 10px;--radius-pill: 999px;--border-w: 1px}[data-theme=light]{--bg: #f4f6f9;--panel: #ffffff;--panel-2: #eaeef4;--text: #14181f;--muted: #5d6675;--chord: #1f6feb;--chord-passing: #9aa3b2;--accent: #b45309;--line: #dde2ea}[data-theme=light] .chord{color:var(--text);background:color-mix(in srgb,var(--c, var(--chord)) 26%,transparent);border-color:transparent}[data-theme=light] .chord.passing{background:transparent;color:var(--muted)}[data-theme=light] .mode-tab.on{color:#fff}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:var(--font-ui);-webkit-font-smoothing:antialiased;overflow-x:hidden;touch-action:manipulation}button{font:inherit;color:inherit;cursor:pointer;touch-action:manipulation}.app-bar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:10px;padding:10px 14px;padding-top:max(10px,env(safe-area-inset-top,0));background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.brand{font-size:20px;font-weight:700;margin:0}.icon{background:var(--panel-2);border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-weight:700;line-height:1}.icon:active{background:var(--panel)}.import{padding-bottom:40px}.library{padding-bottom:92px}.resume{display:flex;flex-direction:column;align-items:flex-start;gap:4px;width:calc(100% - 28px);margin:14px;padding:16px 18px;background:linear-gradient(135deg,color-mix(in srgb,var(--chord) 24%,var(--panel)),var(--panel));border:1px solid color-mix(in srgb,var(--chord) 34%,var(--line));border-radius:16px;text-align:left}.resume-kicker{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}.resume-title{font-size:22px;font-weight:700}.list-chips{display:flex;gap:6px;overflow-x:auto;padding:4px 14px 10px;scrollbar-width:none}.list-chips::-webkit-scrollbar{display:none}.list-chip{flex-shrink:0;padding:6px 13px;border-radius:999px;border:1px solid var(--line);background:var(--panel);color:var(--muted);font-weight:600;font-size:13px}.list-chip.on{color:var(--bg);background:var(--accent);border-color:var(--accent)}.add-chip{color:var(--chord)}.list-add-input{flex-shrink:0;padding:6px 12px;border-radius:999px;border:1px solid var(--chord);background:var(--panel);color:var(--text);font-size:13px;width:8em}.list-add-input:focus{outline:none}.empty-list{color:var(--muted);font-size:14px;padding:8px 4px}.flash{margin:0 14px 8px;padding:10px 14px;border-radius:12px;background:color-mix(in srgb,var(--accent) 16%,transparent);border:1px solid color-mix(in srgb,var(--accent) 40%,transparent);color:var(--text);font-size:13px}.backup-row{display:flex;gap:8px;margin:10px 14px 8px}.sync-row{display:flex;gap:8px;margin:0 14px 40px;align-items:stretch}.sync-input{flex:1;min-width:0;padding:12px;border-radius:12px;border:1px solid var(--line);background:var(--panel);color:var(--text);font-size:13px}.backup-btn{flex:1;padding:12px;border-radius:12px;border:1px solid var(--line);background:var(--panel);color:var(--muted);font-weight:600;font-size:13px}.menu-lists{padding:6px 12px 4px}.search-bar{position:fixed;left:50%;transform:translate(-50%);bottom:max(14px,env(safe-area-inset-bottom,0));z-index:20;display:flex;align-items:center;gap:8px;width:min(560px,calc(100% - 28px));padding:7px 10px 7px 14px;background:color-mix(in srgb,var(--panel) 88%,transparent);backdrop-filter:blur(14px);border:1px solid var(--line);border-radius:999px;box-shadow:0 8px 30px #00000047}.search-ico{color:var(--muted);font-size:17px;line-height:1;flex-shrink:0}.search-input{flex:1;min-width:0;background:transparent;border:none;color:var(--text);font-size:15px;padding:5px 0}.search-input:focus{outline:none}.search-input::placeholder{color:var(--muted)}.search-input::-webkit-search-cancel-button{-webkit-appearance:none}.search-scope{flex-shrink:0;display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:999px;border:none;background:var(--accent);color:var(--bg);font-weight:600;font-size:13px;max-width:45%}.search-scope-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.search-scope-x{opacity:.85;font-size:12px;flex-shrink:0}.list{display:flex;flex-direction:column;margin:0 14px}.row{display:flex;align-items:baseline;gap:10px;width:100%;padding:15px 4px;background:transparent;border:none;border-bottom:1px solid var(--line);border-radius:0;text-align:left}.row[hidden]{display:none}.row:last-of-type{border-bottom:none}.row:active{background:var(--panel-2)}.no-match{color:var(--muted);font-size:14px;padding:16px 4px}.row-title{font-size:18px;font-weight:600}.row-sub{color:var(--muted);font-size:14px}.tag{margin-left:auto;font-size:11px;border-radius:999px;padding:2px 8px;border:1px solid transparent}.tag-user{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 40%,transparent)}.tag-test{color:#5ad1c8;border-color:color-mix(in srgb,#5ad1c8 45%,transparent)}.add{display:block;margin:18px 14px 0;width:calc(100% - 28px);padding:14px;background:var(--panel-2);border:1px dashed var(--line);border-radius:14px;color:var(--muted);font-weight:600}.title-input{width:calc(100% - 28px);margin:14px 14px 0;padding:14px;background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:14px;font-size:18px;font-weight:600}.title-input:focus{outline:none;border-color:var(--chord)}.paste{width:calc(100% - 28px);min-height:40vh;margin:14px;padding:14px;background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:14px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px;resize:vertical}.reader{--font-scale: 1.15}.reader-bar{align-items:flex-start;gap:8px}.reader-title{display:flex;flex-direction:column;min-width:0;flex:1}.rt-title{font-size:18px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;border-radius:6px;padding:1px 4px;margin:-1px -4px}.rt-title:focus{outline:none;overflow:visible;text-overflow:clip;background:var(--panel-2);box-shadow:0 0 0 1px var(--chord)}.danger{display:block;margin:10px 14px 0;width:calc(100% - 28px);padding:14px;background:transparent;border:1px solid color-mix(in srgb,#ff8fab 40%,transparent);border-radius:14px;color:#ff8fab;font-weight:600}.rt-sub-row{display:flex;align-items:baseline;gap:8px;min-width:0}.rt-sub{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.reveal{flex-shrink:0}.reveal{background:none;border:none;padding:0;font-size:12px;color:var(--chord)}.meta-panel{border-bottom:1px solid var(--line);background:var(--panel);padding:10px 14px;font-size:13px}.meta-row{display:flex;gap:10px;padding:3px 0}.meta-k{color:var(--muted);min-width:92px;flex-shrink:0}.meta-v{color:var(--text);overflow-wrap:anywhere}.controls{margin-left:auto;display:flex;gap:5px;flex-shrink:0}.reader-bar .icon{padding:7px 9px}.reader-bar .toggle{padding:7px 10px}.toggle{background:var(--panel-2);border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-size:13px;color:var(--muted)}.toggle.on{color:var(--chord);border-color:color-mix(in srgb,var(--chord) 50%,transparent)}.reader-content{padding:8px 14px 60vh;font-size:calc(16px * var(--font-scale));line-height:1.25;max-width:100%}.block{margin:22px 0}.block-head{display:flex;align-items:center;gap:8px;margin-bottom:10px}.block-label{font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);font-weight:700}.chip{font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:1px 8px}.repeat-ref{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 14px;color:var(--muted);font-size:15px;width:100%;text-align:left}.lines{display:flex;flex-direction:column;gap:.7em;max-width:100%}.line{display:flex;flex-wrap:wrap;align-items:flex-end;max-width:100%}.seg{display:inline-flex;flex-direction:column;align-items:flex-start}.chord{align-self:flex-start;margin-bottom:3px;color:var(--c, var(--chord));background:color-mix(in srgb,var(--c, var(--chord)) 15%,transparent);border:var(--border-w) solid color-mix(in srgb,var(--c, var(--chord)) 32%,transparent);border-radius:var(--radius-pill);padding:0 7px;font-family:var(--font-chord);font-size:.58em;font-weight:700;line-height:1.55;white-space:nowrap;min-height:1.55em}.chord.empty{background:transparent;border-color:transparent;padding:0}.chord-ext{font-size:.72em;font-weight:600;opacity:.5;margin-left:1px;vertical-align:super;line-height:0}.chord.passing{background:transparent;border-style:dashed;opacity:.6;font-weight:600}.hide-passing .chord.passing{visibility:hidden}.lyric{white-space:pre-wrap;overflow-wrap:anywhere}.chord.loop-start,.chord.loop-repeat{border-color:transparent;border-radius:0;clip-path:polygon(0 0,calc(100% - 6px) 0,100% 50%,calc(100% - 6px) 100%,0 100%);padding-right:12px}.chord.loop-start{background:color-mix(in srgb,var(--c, var(--chord)) 38%,transparent)}.chord.loop-repeat{background:color-mix(in srgb,var(--c, var(--chord)) 20%,transparent)}[data-theme=light] .chord.loop-start{background:color-mix(in srgb,var(--c, var(--chord)) 52%,transparent)}[data-theme=light] .chord.loop-repeat{background:color-mix(in srgb,var(--c, var(--chord)) 30%,transparent)}.rail-group{display:flex;flex-direction:column;gap:.7em;border-left:3px solid color-mix(in srgb,var(--rail) 65%,transparent);margin:5px 0 5px -14px;padding-left:11px}.rail-group:first-child{margin-top:0}.chord-only{gap:6px;margin-bottom:2px}.chord-only .lyric{display:none}.chord-only .chord{font-size:.7em;margin-bottom:0}.expanded{border-left:2px solid var(--line);padding-left:10px}.bar-line{display:flex;flex-wrap:wrap;gap:0;margin:2px 0}.bar{display:flex;align-items:center;gap:5px;min-width:2.6em;padding:2px 10px;border-left:1px solid var(--line)}.bar:last-child{border-right:1px solid var(--line)}.bar .chord{margin-bottom:0}.bar-repeat{color:var(--muted);font-size:.8em;opacity:.7}.bar-hold{color:var(--line);font-size:.8em}.mode-seg{display:inline-flex;flex-shrink:0;align-self:center;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;background:var(--panel)}.mode-tab{padding:6px 11px;background:transparent;border:none;color:var(--muted);font-weight:600;font-size:13px}.mode-tab.on{color:var(--bg);background:var(--chord)}.menu-trigger{flex-shrink:0;align-self:center}.sheet-scrim{position:fixed;inset:0;z-index:30;background:#00000073;opacity:0;pointer-events:none;transition:opacity .22s ease}.sheet-scrim.open{opacity:1;pointer-events:auto}.overflow-menu.sheet{position:fixed;left:0;right:0;bottom:0;z-index:31;max-width:620px;margin:0 auto;padding:6px 10px calc(16px + env(safe-area-inset-bottom,0));background:var(--panel);border:1px solid var(--line);border-bottom:none;border-radius:18px 18px 0 0;box-shadow:0 -10px 34px #00000059;max-height:85vh;overflow-y:auto;transform:translateY(100%);transition:transform .26s cubic-bezier(.32,.72,0,1)}.overflow-menu.sheet.open{transform:translateY(0)}.sheet-handle{width:38px;height:4px;border-radius:2px;background:var(--line);margin:8px auto 10px}.sheet-opener{position:fixed;left:50%;bottom:calc(var(--nav-h, 0px) + 8px);transform:translate(-50%);z-index:20;display:flex;align-items:center;justify-content:center;padding:7px 20px;border:1px solid var(--line);border-radius:999px;background:color-mix(in srgb,var(--panel) 82%,transparent);backdrop-filter:blur(8px)}.sheet-opener-bar{width:34px;height:5px;border-radius:3px;background:var(--muted)}.sheet-opener:active{background:var(--panel-2)}.mode-toggle{flex-shrink:0;align-self:center;display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:var(--panel);color:var(--text);font-weight:600;font-size:13px}.mode-ico{color:var(--chord);font-size:.9em}.reset-item{color:#ff8fab}.chord[data-chord]{cursor:pointer}.chord-sheet-title{font-size:20px;font-weight:700;color:var(--accent);text-align:center;padding:2px 0 12px}.voicing-row{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;padding:0 8px 6px}.voicing-card{display:flex;flex-direction:column;align-items:center;gap:6px}.chord-diagram{width:90px;height:114px}.cd-string,.cd-fret{stroke:var(--muted);stroke-width:1}.cd-nut{fill:var(--text)}.cd-capo{fill:var(--accent)}.cd-capono{fill:var(--accent);font-size:9px;font-weight:700;text-anchor:end}.cd-dot,.cd-barre{fill:var(--chord)}.cd-fretno{fill:var(--muted);font-size:9px;text-anchor:end}.pb-fretno{fill:var(--text);font-size:11px;font-weight:700;text-anchor:middle}.cd-open{fill:var(--muted);font-size:9px;text-anchor:middle}.cd-mute{fill:var(--muted);font-size:8px;text-anchor:middle}.voicing-ease{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;padding:2px 8px;border-radius:999px}.ease-easy{color:#7ee787;background:color-mix(in srgb,#7ee787 15%,transparent)}.ease-medium{color:var(--accent);background:color-mix(in srgb,var(--accent) 15%,transparent)}.ease-hard{color:#ff8fab;background:color-mix(in srgb,#ff8fab 15%,transparent)}.solo-section{border-top:1px solid var(--line);margin-top:10px;padding:12px 10px 4px}.solo-title{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--accent);margin-bottom:8px}.feel-chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}.feel-chip{padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:var(--panel-2);color:var(--muted);font-weight:600;font-size:13px}.feel-chip.on{color:var(--bg);background:var(--accent);border-color:var(--accent)}.solo-row{display:flex;align-items:center;gap:14px}.solo-box-col{display:flex;flex-direction:column;align-items:center;gap:5px;flex-shrink:0}.pos-controls{display:flex;align-items:center;gap:8px}.pos-btn{padding:2px 9px;border:1px solid var(--line);border-radius:7px;background:var(--panel-2);color:var(--text);font-weight:700}.pos-label{font-size:11px;color:var(--muted);min-width:3.4em;text-align:center}.pent-box{width:122px;height:72px;flex-shrink:0}.pb-root{fill:var(--accent)}.pb-chord{fill:var(--chord)}.pb-note{fill:var(--muted);opacity:.7}.solo-legend{display:flex;align-items:center;gap:4px;flex-wrap:wrap;font-size:11px;color:var(--muted);margin-top:2px}.lg-root,.lg-chord,.lg-note{width:9px;height:9px;border-radius:50%;display:inline-block;margin-right:1px}.lg-root{background:var(--accent)}.lg-chord{background:var(--chord)}.lg-note{background:var(--muted);opacity:.7}.lg-chord,.lg-note{margin-left:8px}.solo-info{display:flex;flex-direction:column;gap:4px;min-width:0}.solo-blurb{font-weight:700}.solo-mode{font-size:13px;color:var(--chord)}.solo-song{font-size:12px;color:var(--muted)}.menu-item{display:block;width:100%;text-align:left;padding:10px 12px;background:none;border:none;border-radius:8px;color:var(--text);font-size:14px}.menu-item:active{background:var(--panel-2)}.menu-row{display:flex;align-items:center;gap:8px;padding:6px 12px}.menu-label{flex:1;color:var(--muted);font-size:14px}.menu-step{padding:6px 12px;background:var(--panel-2);border:1px solid var(--line);border-radius:8px;color:var(--text);font-weight:700}.menu-val{min-width:2.6em;text-align:center;font-variant-numeric:tabular-nums}.menu-note{padding:6px 12px 4px;font-size:12px;line-height:1.35;color:var(--muted)}.sing-row{display:flex;gap:6px;padding:4px 6px 8px}.sing-btn{flex:1;padding:11px 8px;border-radius:10px;border:1px solid color-mix(in srgb,var(--chord) 45%,transparent);background:color-mix(in srgb,var(--chord) 15%,transparent);color:var(--chord);font-weight:700;font-size:13px}.sing-btn:active{background:color-mix(in srgb,var(--chord) 28%,transparent)}.arrange-badge{font-size:12px;font-weight:700;color:var(--accent);border:1px solid color-mix(in srgb,var(--accent) 45%,transparent);border-radius:999px;padding:1px 8px;flex-shrink:0}.learn{padding-top:6px}.song-map{display:flex;flex-wrap:nowrap;align-items:center;overflow-x:auto;padding:2px 0;scrollbar-width:none}.song-map::-webkit-scrollbar{display:none}.map-cell{position:relative;flex-shrink:0;width:1.7em;height:1.7em;border-radius:50%;font-size:.72em;font-weight:700;color:var(--muted);background:var(--panel-2);border:1px solid var(--line)}.map-cell:not(:last-child){margin-right:16px}.map-cell:not(:last-child):after{content:"";position:absolute;left:100%;top:50%;width:16px;height:1.5px;background:var(--line);transform:translateY(-50%)}.map-caption{color:var(--muted);font-size:.82em;margin:6px 0 2px}.part-card{margin:10px 0;padding:12px 14px;background:var(--panel);border:1px solid var(--line);border-radius:14px}.part-card.flash{box-shadow:0 0 0 2px var(--accent);transition:box-shadow .2s}.part-head{display:flex;align-items:baseline;gap:10px;margin-bottom:12px}.part-name{font-weight:700;color:var(--text);text-transform:uppercase;letter-spacing:.04em;font-size:.92em}.part-times{font-size:.72em;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}.loop-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.loop-chord{font-size:1em;font-weight:700;padding:6px 14px;border-radius:var(--radius-sm);min-height:0;margin-bottom:0;line-height:1.3}.loop-times{color:var(--muted);font-weight:700}.loop-empty{color:var(--muted);font-style:italic}.words-toggle{margin-top:14px;background:none;border:none;padding:0;color:var(--chord);font-size:.82em}.words-panel{margin-top:10px;padding-top:10px;border-top:1px solid var(--line)}.word-set{margin-bottom:12px}.word-set:last-child{margin-bottom:0}.word-label{font-size:.68em;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:4px}.word-line{line-height:1.4;color:var(--text)}.play-map{position:sticky;top:0;z-index:5;padding:8px 0;margin-bottom:8px;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(8px);overflow-x:auto;flex-wrap:nowrap}.play-map .map-cell{flex-shrink:0;opacity:.55;transition:opacity .15s,transform .15s}.play-map .map-cell.current{opacity:1;transform:scale(1.12);color:var(--bg);background:var(--accent);border-color:var(--accent)}.reader-content:has(.play){padding-bottom:0}.play{padding-bottom:calc(var(--nav-h, 96px) + 44px)}.play-progress{height:3px;border-radius:999px;background:var(--line);overflow:hidden;margin:4px 0 10px}.play-progress-fill{height:100%;background:var(--accent);border-radius:999px;transition:width .2s ease}.play-stage{min-height:40vh}.play-head{display:flex;align-items:baseline;gap:10px;margin-bottom:14px}.play-section{font-size:.85em;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--accent)}.play-loop-note{font-size:.68em;color:var(--accent);border:1px solid color-mix(in srgb,var(--accent) 45%,transparent);border-radius:999px;padding:1px 8px}.play-next-preview{display:flex;align-items:center;gap:8px;flex-wrap:wrap;width:100%;margin-top:26px;padding:12px 14px;background:var(--panel);border:1px solid var(--line);border-radius:12px;text-align:left}.np-kicker{font-size:.7em;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}.np-name{font-weight:700}.np-chords{display:flex;gap:5px;margin-left:auto}.np-chord{margin-bottom:0;font-size:.72em}.play-end{margin-top:26px;color:var(--muted);text-align:center;font-size:.85em}.play-nav{position:fixed;left:0;right:0;bottom:0;z-index:8;display:flex;gap:10px;padding:12px 14px calc(12px + env(safe-area-inset-bottom,0));background:color-mix(in srgb,var(--bg) 94%,transparent);backdrop-filter:blur(10px);border-top:1px solid var(--line)}.play-prev{flex:0 0 auto;width:3em;padding:14px 0;border-radius:12px;border:1px solid var(--line);background:var(--panel);color:var(--muted);font-size:1.2em;font-weight:700}.play-next-btn{flex:1;display:flex;align-items:center;gap:8px;min-width:0;padding:8px 12px;text-align:left;border-radius:12px;border:1px solid var(--line);border-left:3px solid var(--chord);background:var(--panel);color:var(--text)}.nx-body{display:flex;flex-direction:column;gap:3px;flex:1;min-width:0}.nx-head{display:flex;align-items:baseline;gap:8px}.nx-kicker{font-size:.62em;text-transform:uppercase;letter-spacing:.09em;font-weight:700;color:var(--chord)}.nx-name{font-weight:700;font-size:.95em}.nx-preview{display:flex;align-items:center;gap:6px;min-width:0}.nx-chord{margin-bottom:0;font-size:.6em;flex-shrink:0}.nx-words{font-size:.78em;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}.nx-arrow{font-size:1.4em;color:var(--chord);flex-shrink:0}.play-prev:disabled,.play-next-btn:disabled{opacity:.4}.play-next-btn:disabled{justify-content:center;color:var(--muted)}