:root{--paper:#f4f2ec;--paper-2:#efece4;--surface:#fff;--ink:#1b1a16;--ink-soft:#45433c;--muted:#8f8c82;--faint:#b7b4aa;--line:#1a160c17;--line-2:#1a160c24;--hover:#1b1a160e;--hover-2:#1b1a1614;--shadow-sm:0 1px 2px #1410080a, 0 2px 8px #1410080a;--shadow-md:0 8px 30px #1410081a, 0 2px 8px #1410080d;--shadow-lg:0 24px 70px #1410082e, 0 6px 20px #14100814;--sans:"Inter", system-ui, -apple-system, sans-serif;--serif:"Fraunces", Georgia, "Times New Roman", serif;--mono:"JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;--r-sm:8px;--r-md:12px;--r-lg:18px;--ease:cubic-bezier(.22, 1, .36, 1);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:var(--sans);color:var(--ink);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility}:root[data-theme=dark]{--paper:#16140f;--paper-2:#1c1a15;--surface:#221f19;--ink:#f0ede4;--ink-soft:#cbc7ba;--muted:#918c7e;--faint:#6c6859;--line:#f5f0e417;--line-2:#f5f0e429;--hover:#f5f0e40f;--hover-2:#f5f0e41a;--shadow-sm:0 1px 2px #0000004d, 0 2px 8px #00000040;--shadow-md:0 8px 30px #00000073, 0 2px 10px #0000004d;--shadow-lg:0 24px 70px #0009, 0 6px 20px #0006;color:var(--ink)}:root[data-theme=dark] ::selection{background:#f5f0e42e}*{box-sizing:border-box}html{background:var(--paper);transition:background .3s var(--ease)}html,body,#root{height:100%}body{background:var(--paper);margin:0}button{cursor:pointer;font-family:inherit}input,textarea{color:inherit;font-family:inherit}::selection{background:#1b1a161f}.app{height:100dvh;display:flex;overflow:hidden}.mobile-bar,.nav-scrim,.nav-close{display:none}.sidebar{background:var(--paper-2);border-right:1px solid var(--line);flex-direction:column;flex-shrink:0;width:276px;height:100%;padding:26px 16px 18px;display:flex}.brand{align-items:center;gap:10px;padding:0 8px 24px;display:flex}.brand-mark{background:var(--ink);width:18px;height:18px;box-shadow:4px 4px 0 -1px var(--faint);border-radius:6px;position:relative}.brand-name{font-family:var(--serif);letter-spacing:-.01em;font-size:20px;font-weight:500}.sidebar-actions{gap:8px;margin-bottom:26px;display:flex}.lib-label{letter-spacing:.12em;text-transform:uppercase;color:var(--faint);padding:0 8px 10px;font-size:11px;font-weight:600}.song-list{flex-direction:column;flex:1;gap:2px;margin:0 -4px;padding:0 4px;display:flex;overflow-y:auto}.empty-lib{color:var(--faint);padding:8px;font-size:13px;line-height:1.5}.song-item{text-align:left;border-radius:var(--r-sm);width:100%;color:var(--ink-soft);transition:background .18s var(--ease), color .18s var(--ease);background:0 0;border:none;justify-content:space-between;align-items:center;gap:8px;padding:9px 10px;display:flex}.song-item:hover{background:var(--hover)}.song-item.is-active{background:var(--surface);box-shadow:var(--shadow-sm);color:var(--ink)}.song-item-main{flex-direction:column;gap:2px;min-width:0;display:flex}.song-item-title{white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:500;overflow:hidden}.song-item-meta{color:var(--faint);white-space:nowrap;text-overflow:ellipsis;font-size:11.5px;overflow:hidden}.song-del{color:var(--faint);opacity:0;border-radius:6px;flex-shrink:0;place-items:center;padding:4px;transition:opacity .15s,color .15s,background .15s;display:grid}.song-item:hover 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0;border:none;border-radius:7px;place-items:center;display:grid}.icon-btn:hover{background:var(--hover-2);color:var(--ink)}.icon-btn:active{transform:scale(.9)}.icon-btn.danger:hover{color:#b4493f;background:#b4493f1a}.editor{flex:1;height:100%;overflow:hidden}.editor-scroll{height:100%;padding:48px clamp(24px,6vw,96px) 160px;overflow-y:auto}.song-header{max-width:760px;margin:0 auto 36px;position:relative}.song-title{width:100%;font-family:var(--serif);letter-spacing:-.025em;color:var(--ink);background:0 0;border:none;outline:none;margin-bottom:4px;padding:0;font-size:clamp(32px,5vw,46px);font-weight:500;display:block}.song-title::placeholder{color:var(--faint)}.song-artist{width:100%;color:var(--muted);background:0 0;border:none;outline:none;padding:2px 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.tempo-grip{color:var(--ink)}.tempo-input{cursor:text;appearance:textfield;width:3.4em}.tempo-input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.tempo-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.url-field{flex:180px;min-width:150px;max-width:280px}.url-input{flex:1;width:100%}.meta-open{color:var(--muted);border-radius:6px;place-items:center;padding:2px;transition:color .15s,background .15s;display:grid}.meta-open:hover{color:var(--ink);background:var(--hover)}.meta-arrow{font-family:var(--mono);color:var(--ink-soft);white-space:nowrap;min-width:3.2em;font-size:12.5px;font-weight:600}.meta-arrow:empty{display:none}.transpose{border-left:1px solid var(--line);align-items:center;gap:2px;margin-left:2px;padding-left:8px;display:inline-flex}.tp-btn{width:22px;height:22px;color:var(--muted);transition:background .15s, color .15s, transform .12s var(--ease);background:0 0;border:none;border-radius:6px;place-items:center;display:grid}.tp-btn:hover{background:var(--hover-2);color:var(--ink)}.tp-btn:active{transform:scale(.88)}.tp-badge{box-sizing:border-box;width:72px;height:22px;font-family:var(--mono);letter-spacing:.02em;color:var(--faint);text-align:center;background:0 0;border:none;border-radius:6px;padding:0 6px;font-size:11.5px;font-weight:600;transition:background .15s,color .15s}.tp-badge.is-shifted{color:var(--paper);background:var(--ink)}.tp-badge.is-shifted:hover{background:#2e2c25}.key-wrap{position:relative}.key-trigger{color:var(--ink);background:0 0;border:none;border-radius:6px;align-items:center;gap:5px;margin:0 -2px;padding:3px 6px;transition:background .15s;display:inline-flex}.key-trigger:hover{background:var(--hover)}.key-trigger .icon,.key-trigger 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8px;font-size:12.5px;font-weight:600}.key-chip:hover{background:var(--hover-2);border-color:var(--line-2);color:var(--ink);transform:translateY(-1px)}.key-chip.is-active{background:var(--ink);border-color:var(--ink);color:var(--paper)}.key-expand{border:1px solid var(--line);background:var(--paper);width:26px;color:var(--muted);border-radius:7px;align-self:stretch;place-items:center;margin-top:17px;transition:background .15s,color .15s;display:grid}.key-expand:hover{background:var(--hover-2);color:var(--ink)}.key-expand svg{transition:transform .3s var(--ease);transform:rotate(-90deg)}.key-expand.is-open svg{transform:rotate(90deg)}.key-minor-wrap{opacity:0;width:0;overflow:hidden}.key-minor-wrap .key-section{padding-left:4px}.key-pop-foot{border-top:1px solid var(--line);margin-top:10px;padding-top:9px}.key-auto{border-radius:var(--r-sm);width:100%;color:var(--ink-soft);background:0 0;border:none;align-items:center;gap:7px;padding:7px 8px;font-size:13px;font-weight:500;transition:background .15s,color .15s;display:flex}.key-auto:hover{background:var(--hover);color:var(--ink)}.key-auto svg{color:var(--muted)}.key-auto.is-active{color:var(--ink)}.key-auto.is-active svg{color:var(--spine,var(--ink))}.disp-menu{position:relative}.disp-pop{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);width:260px;box-shadow:var(--shadow-lg);z-index:40;flex-direction:column;gap:12px;padding:12px;display:flex;position:absolute;top:calc(100% + 8px);right:0}.disp-row{justify-content:space-between;align-items:center;gap:10px;display:flex}.disp-block{flex-direction:column;gap:8px;display:flex}.disp-label{letter-spacing:.1em;text-transform:uppercase;color:var(--faint);font-size:11px;font-weight:600}.disp-stepper{align-items:center;gap:2px;display:inline-flex}.disp-step{border:1px solid var(--line);background:var(--paper);width:26px;height:26px;color:var(--ink-soft);border-radius:7px;place-items:center;transition:background .15s,color .15s,opacity .15s;display:grid}.disp-step:hover:not(:disabled){background:var(--hover-2);color:var(--ink)}.disp-step:disabled{opacity:.3;cursor:not-allowed}.disp-size{text-align:center;min-width:42px;font-family:var(--mono);color:var(--ink);font-size:12.5px;font-weight:600}.disp-fonts{grid-template-columns:repeat(4,1fr);gap:6px;display:grid}.disp-font{border:1px solid var(--line);background:var(--paper);color:var(--ink);transition:background .15s, border-color .15s, transform .12s var(--ease);border-radius:8px;flex-direction:column;align-items:center;gap:3px;padding:8px 4px 6px;font-size:16px;display:flex}.disp-font:hover{background:var(--hover-2);transform:translateY(-1px)}.disp-font.is-active{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}.disp-font-name{font-family:var(--sans);letter-spacing:.04em;text-transform:uppercase;color:var(--muted);font-size:10px;font-weight:600}.disp-divider{background:var(--line);height:1px;margin:0 -2px}.disp-toggle{border-radius:var(--r-sm);text-align:left;background:0 0;border:none;justify-content:space-between;align-items:center;gap:12px;width:100%;padding:6px 4px;transition:background .15s;display:flex}.disp-toggle:hover{background:var(--hover)}.disp-toggle-text{flex-direction:column;gap:2px;min-width:0;display:flex}.disp-toggle-title{color:var(--ink);font-size:13.5px;font-weight:500}.disp-toggle-sub{color:var(--muted);font-size:11.5px}.menu-pop{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-lg);z-index:30;min-width:200px;animation:pop .2s var(--ease);flex-direction:column;gap:2px;padding:6px;display:flex;position:absolute;top:calc(100% + 8px);right:0}.menu-pop button{text-align:left;border-radius:var(--r-sm);width:100%;color:var(--ink-soft);background:0 0;border:none;align-items:center;gap:10px;padding:9px 10px;font-size:13.5px;transition:background .15s;display:flex}.menu-pop button:hover{background:var(--hover);color:var(--ink)}@keyframes pop{0%{opacity:0;transform:translateY(-6px)scale(.97)}}.blocks{flex-direction:column;gap:14px;max-width:760px;margin:0 auto;display:flex}.block-card{--tint:var(--tint-light);background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);transition:box-shadow .2s var(--ease), border-color .2s, transform .12s;padding:14px 18px 18px 22px;position:relative}.block-card:hover{box-shadow:var(--shadow-md);border-color:var(--line-2)}.block-card.is-dragging{box-shadow:var(--shadow-lg);z-index:20;cursor:grabbing;opacity:.96}[data-colormode=fill] .block-card{background:var(--tint)}[data-theme=dark] .block-card{--tint:var(--tint-dark)}.block-spine{background:var(--spine,var(--faint));border-radius:4px;width:4px;position:absolute;top:14px;bottom:14px;left:0}.block-head{align-items:center;gap:6px;margin-bottom:8px;margin-left:-8px;display:flex}.drag-handle{width:24px;height:24px;color:var(--faint);cursor:grab;opacity:0;touch-action:none;background:0 0;border:none;border-radius:6px;place-items:center;transition:opacity .15s,background .15s,color .15s;display:grid}.block-card:hover .drag-handle{opacity:1}.drag-handle:hover{background:var(--hover-2);color:var(--ink)}.block-label{letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft);background:0 0;border:none;border-radius:6px;outline:none;flex:1;min-width:0;padding:4px 6px;font-size:12px;font-weight:600;transition:background .15s}.block-label:hover,.block-label:focus{background:var(--hover)}.block-label::placeholder{color:var(--faint);font-weight:500}.block-actions{opacity:0;transition:opacity .18s var(--ease), transform .18s var(--ease);align-items:center;gap:2px;display:flex;transform:translate(4px)}.block-card:hover .block-actions{opacity:1;transform:none}.color-wrap{position:relative}.color-chip{border-radius:50%;width:14px;height:14px;box-shadow:inset 0 0 0 1px #0000001f}.block-body{resize:none;white-space:pre;width:100%;font-family:var(--mono);color:var(--ink);scrollbar-width:none;-ms-overflow-style:none;background:0 0;border:none;outline:none;min-height:1.6em;padding:0;font-size:13.5px;line-height:1.6;display:block;overflow:auto hidden}.block-body::placeholder{color:var(--faint)}.block-body::-webkit-scrollbar{display:none}.chord{color:var(--ink);font-weight:700}.block-body-wrap{position:relative}.block-backdrop{z-index:0;pointer-events:none;white-space:pre;font-family:var(--mono);color:var(--ink);margin:0;padding:0;font-size:13.5px;line-height:1.6;position:absolute;inset:0;overflow:hidden}.block-input{z-index:1;color:#0000;caret-color:var(--ink);position:relative}.block-static{margin:0}.add-between{border:1px solid var(--line-2);background:var(--surface);width:26px;height:26px;color:var(--muted);opacity:0;z-index:5;box-shadow:var(--shadow-sm);transition:opacity .16s, transform .16s var(--ease), color .16s, background .16s;border-radius:50%;place-items:center;display:grid;position:absolute;bottom:-7px;left:50%;transform:translate(-50%)scale(.8)}.block-card:hover .add-between{opacity:1;transform:translate(-50%)scale(1)}.add-between:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}.add-block{border:1px dashed var(--line-2);border-radius:var(--r-md);color:var(--muted);background:0 0;justify-content:center;align-items:center;gap:8px;margin-top:4px;padding:13px;font-size:13.5px;font-weight:500;transition:border-color .18s,color .18s,background .18s;display:flex}.add-block:hover{border-color:var(--faint);color:var(--ink);background:var(--hover)}.color-pop{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-lg);z-index:40;grid-template-columns:repeat(4,1fr);gap:8px;padding:12px;display:grid;position:absolute;top:calc(100% + 8px);right:0}.swatch{width:30px;height:30px;transition:transform .14s var(--ease);border:1px solid;border-radius:8px;place-items:center;display:grid}.swatch:hover{transform:scale(1.12)}.swatch.is-active{box-shadow:0 0 0 2px var(--ink)}.swatch-dot{border-radius:50%;width:12px;height:12px}.empty-state{place-items:center;padding:24px;display:grid}.empty-inner{text-align:center;max-width:540px}.empty-title{font-family:var(--serif);letter-spacing:-.03em;color:var(--ink);margin:0 0 18px;font-size:clamp(34px,5vw,52px);font-weight:500;line-height:1.05}.empty-sub{color:var(--muted);max-width:440px;margin:0 auto 32px;font-size:17px;line-height:1.6}.empty-cta{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.scrim{-webkit-backdrop-filter:blur(6px);z-index:100;background:#1a160e52;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.import-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);width:100%;max-width:480px;box-shadow:var(--shadow-lg);padding:24px}.import-head{justify-content:space-between;align-items:center;margin-bottom:18px;display:flex}.import-head h2{font-family:var(--serif);letter-spacing:-.01em;margin:0;font-size:24px;font-weight:500}.import-fields{flex-direction:column;gap:10px;margin-bottom:16px;display:flex}.import-fields-row{gap:10px;display:flex}.import-input{background:var(--paper);border:1px solid var(--line-2);border-radius:var(--r-md);width:100%;min-width:0;height:44px;color:var(--ink);outline:none;padding:0 14px;font-size:14.5px;transition:border-color .18s,box-shadow .18s,background .18s}.import-input:focus{border-color:var(--ink);box-shadow:0 0 0 3px var(--hover);background:var(--surface)}.import-input::placeholder{color:var(--faint)}.import-input[type=number]{appearance:textfield}.import-input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.import-input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.dropzone{text-align:center;border:1.5px dashed var(--line-2);border-radius:var(--r-md);background:var(--surface);cursor:pointer;transition:border-color .2s, background .2s, transform .2s var(--ease);flex-direction:column;align-items:center;gap:4px;padding:34px 20px;display:flex}.dropzone:hover{border-color:var(--faint)}.dropzone.is-over{border-color:var(--ink);background:var(--surface);transform:scale(1.01)}.dropzone.is-busy{pointer-events:none;opacity:.8}.dz-icon{background:var(--paper-2);width:52px;height:52px;color:var(--ink-soft);border-radius:50%;place-items:center;margin-bottom:8px;display:grid}.dz-title{color:var(--ink);font-size:15px;font-weight:500}.dz-sub{color:var(--muted);font-size:13px}.import-error{color:#b4493f;border-radius:var(--r-sm);background:#b4493f14;margin-top:12px;padding:9px 12px;font-size:13px}.import-or{color:var(--faint);align-items:center;gap:12px;margin:20px 0 14px;font-size:12px;display:flex}.import-or:before,.import-or:after{content:"";background:var(--line);flex:1;height:1px}.paste-area{border:1px solid var(--line-2);border-radius:var(--r-md);background:var(--surface);resize:vertical;white-space:pre;width:100%;min-height:120px;font-family:var(--mono);outline:none;margin-bottom:14px;padding:12px 14px;font-size:13px;line-height:1.55;transition:border-color .18s;overflow-x:auto}.paste-area:focus{border-color:var(--faint)}.paste-area::placeholder{color:var(--faint)}.overview{flex-direction:column;align-items:stretch;gap:10px;max-width:760px;margin:-8px auto 30px;display:flex}.overview-label{letter-spacing:.12em;text-transform:uppercase;color:var(--faint);flex-shrink:0;font-size:11px;font-weight:600}.overview-row{flex-wrap:wrap;flex:1;gap:7px;display:flex}.ov-chip{--tint:var(--tint-light);border:1px solid var(--line-2);background:var(--tint);max-width:190px;color:var(--ink-soft);cursor:grab;touch-action:none;transition:transform .14s var(--ease), box-shadow .16s, border-color .16s;border-radius:8px;align-items:center;gap:7px;padding:6px 12px 6px 9px;font-size:12.5px;font-weight:500;display:inline-flex}[data-theme=dark] .ov-chip{--tint:var(--tint-dark)}.ov-chip:hover{box-shadow:var(--shadow-sm);border-color:var(--spine);transform:translateY(-1px)}.ov-chip.is-dragging{cursor:grabbing;box-shadow:var(--shadow-md);border-color:var(--spine)}.ov-dot{border-radius:50%;flex-shrink:0;width:9px;height:9px;box-shadow:inset 0 0 0 1px #0000001f}.ov-name{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.settings-btn{border-radius:var(--r-sm);width:100%;color:var(--ink-soft);background:0 0;border:none;align-items:center;gap:10px;margin-top:10px;padding:10px 12px;font-size:13.5px;font-weight:500;transition:background .18s,color .18s;display:flex}.settings-btn:hover{background:var(--hover);color:var(--ink)}.settings-btn.is-active{background:var(--surface);box-shadow:var(--shadow-sm);color:var(--ink)}.settings-head{justify-content:space-between;align-items:flex-start;gap:16px;max-width:720px;margin:0 auto 28px;display:flex}.settings-title{font-family:var(--serif);letter-spacing:-.02em;color:var(--ink);margin:0 0 4px;font-size:clamp(30px,4vw,40px);font-weight:500}.settings-sub{color:var(--muted);margin:0;font-size:15px}.set-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);max-width:720px;box-shadow:var(--shadow-sm);margin:0 auto 16px;padding:22px 24px}.set-card-head{margin-bottom:16px}.set-card-head h2{font-family:var(--sans);color:var(--ink);margin:0 0 4px;font-size:16px;font-weight:600}.set-card-head p{color:var(--muted);margin:0;font-size:13.5px;line-height:1.5}.segmented{background:var(--paper-2);border-radius:var(--r-md);border:1px solid var(--line);gap:4px;padding:4px;display:inline-flex}.seg{color:var(--muted);background:0 0;border:none;border-radius:8px;align-items:center;gap:7px;padding:8px 16px;font-size:13.5px;font-weight:500;transition:background .18s,color .18s,box-shadow .18s;display:inline-flex}.seg:hover{color:var(--ink)}.seg.is-active{background:var(--surface);color:var(--ink);box-shadow:var(--shadow-sm)}.choice-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}.choice{border:1px solid var(--line-2);background:var(--paper);border-radius:var(--r-md);text-align:left;transition:border-color .18s, box-shadow .18s, transform .14s var(--ease);padding:14px}.choice:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.choice.is-active{border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}.choice-preview{background:var(--paper-2);border:1px solid var(--line);border-radius:10px;place-items:center;height:78px;margin-bottom:10px;display:grid}.cp-block{border:1px solid var(--line);background:var(--surface);border-radius:10px;align-items:center;width:78%;height:50px;padding-left:18px;display:flex;position:relative}.cm-fill .cp-block{background:#fbf2e2}[data-theme=dark] .cm-fill .cp-block{background:#2d2718}.cp-bar{background:#d9a86b;border-radius:3px;width:3px;position:absolute;top:8px;bottom:8px;left:6px}.cp-lines{flex-direction:column;gap:5px;display:flex}.cp-lines i{background:var(--line-2);border-radius:2px;height:4px;display:block}.cp-lines i:first-child{width:56px}.cp-lines i:nth-child(2){width:88px}.cp-lines i:nth-child(3){width:40px}.choice-label{color:var(--ink);justify-content:space-between;align-items:center;font-size:13.5px;font-weight:500;display:flex}.switch-row{color:var(--ink-soft);justify-content:space-between;align-items:center;font-size:14px;display:flex}.switch{background:var(--line-2);width:44px;height:26px;transition:background .2s var(--ease);border:none;border-radius:999px;flex-shrink:0;padding:3px}.switch.is-on{background:var(--ink)}.switch-knob{background:var(--surface);width:20px;height:20px;transition:transform .2s var(--ease);border-radius:50%;display:block;box-shadow:0 1px 3px #00000040}.switch.is-on .switch-knob{transform:translate(18px)}.toaster{z-index:200;pointer-events:none;flex-direction:column;gap:10px;display:flex;position:fixed;bottom:22px;right:22px}.toast{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);min-width:280px;max-width:380px;box-shadow:var(--shadow-lg);pointer-events:auto;align-items:center;gap:14px;padding:13px 14px 13px 16px;display:flex;position:relative;overflow:hidden}.toast-msg{color:var(--ink);white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:13.5px;overflow:hidden}.toast-undo{background:var(--ink);color:var(--paper);border-radius:var(--r-sm);transition:transform .14s var(--ease), background .16s;border:none;flex-shrink:0;padding:6px 13px;font-size:12.5px;font-weight:600}.toast-undo:hover{background:#2e2c25}:root[data-theme=dark] .toast-undo:hover{background:#fff}.toast-undo:active{transform:scale(.95)}.toast-x{width:24px;height:24px;color:var(--faint);background:0 0;border:none;border-radius:6px;flex-shrink:0;place-items:center;transition:background .15s,color .15s;display:grid}.toast-x:hover{background:var(--hover-2);color:var(--ink)}.toast-bar{background:var(--spine,var(--faint));transform-origin:0;width:100%;height:2px;animation:5s linear forwards toast-life;position:absolute;bottom:0;left:0}@keyframes toast-life{0%{transform:scaleX(1)}to{transform:scaleX(0)}}.header-actions{z-index:6;align-items:center;gap:8px;display:flex;position:absolute;top:4px;right:0}.header-actions .export-menu{position:relative;top:auto;right:auto}.play-btn{flex:none}.play{background:var(--paper);flex-direction:column;flex:1;min-width:0;height:100%;display:flex}.play-bar{border-bottom:1px solid var(--line);background:var(--paper-2);align-items:center;gap:18px;padding:12px 18px;display:flex}.play-bar-id{flex-direction:column;flex-shrink:0;min-width:0;max-width:220px;display:flex}.play-bar-title{font-family:var(--serif);letter-spacing:-.01em;white-space:nowrap;text-overflow:ellipsis;font-size:17px;font-weight:500;overflow:hidden}.play-bar-artist{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.play-nav{scrollbar-width:none;flex:1;gap:8px;padding:4px 2px;display:flex;overflow-x:auto}.play-nav::-webkit-scrollbar{display:none}.play-pill{border:1px solid var(--line-2);background:var(--surface);color:var(--ink-soft);white-space:nowrap;transition:transform .14s var(--ease), box-shadow .16s, border-color .16s, background .16s, color .16s;border-radius:999px;flex-shrink:0;align-items:center;gap:8px;padding:8px 15px;font-size:13px;font-weight:500;display:inline-flex}.play-pill:hover{box-shadow:var(--shadow-sm);border-color:var(--spine);transform:translateY(-1px)}.play-pill.is-active{border-color:var(--spine);box-shadow:0 0 0 1.5px var(--spine);color:var(--ink)}.play-pill-dot{border-radius:50%;flex-shrink:0;width:9px;height:9px;box-shadow:inset 0 0 0 1px #0000001f}.play-actions{flex-shrink:0;align-items:center;gap:8px;display:flex}.autoscroll{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);border-radius:999px;align-items:center;gap:2px;padding:3px;display:inline-flex}.as-toggle{width:28px;height:28px;color:var(--ink-soft);transition:background .15s, color .15s, transform .12s var(--ease);background:0 0;border:none;border-radius:50%;place-items:center;display:grid}.as-toggle:hover{background:var(--hover-2);color:var(--ink)}.as-toggle:active{transform:scale(.9)}.as-toggle.is-on{background:var(--ink);color:var(--paper)}.as-spd{width:22px;height:22px;color:var(--muted);background:0 0;border:none;border-radius:6px;place-items:center;transition:background .15s,color .15s,opacity .15s;display:grid}.as-spd:hover:not(:disabled){background:var(--hover-2);color:var(--ink)}.as-spd:disabled{opacity:.3;cursor:not-allowed}.as-level{text-align:center;min-width:16px;font-family:var(--mono);color:var(--ink-soft);font-size:12.5px;font-weight:600}.play-scroll{flex:1;padding:44px clamp(20px,6vw,80px) 40vh;overflow-y:auto}.play-doc{flex-direction:column;gap:22px;max-width:880px;margin:0 auto;display:flex}.play-block{--tint:var(--tint-light);background:var(--tint);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px 26px 24px 30px;scroll-margin-top:18px;position:relative}[data-theme=dark] .play-block{--tint:var(--tint-dark)}.play-spine{background:var(--spine,var(--faint));border-radius:5px;width:5px;position:absolute;top:16px;bottom:16px;left:0}.play-label{letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:12px;font-size:12px;font-weight:600}.play-body{font-family:var(--mono);white-space:pre;scrollbar-width:none;color:var(--ink);margin:0;font-size:clamp(14px,1.7vw,18px);line-height:1.7;overflow-x:auto}.play-body::-webkit-scrollbar{display:none}.play-body .chord{font-weight:700}@media (width<=640px){.play-bar{flex-wrap:wrap;gap:10px;padding:10px 14px}.play-bar-id{flex:auto;min-width:0;max-width:none}.play-nav{flex:1 0 100%;order:3;width:100%}.play-scroll{padding:28px 18px 40vh}}.play-label{align-items:baseline;gap:10px;display:flex}.play-label-bars{letter-spacing:.08em;color:var(--muted);font-size:11px;font-weight:600}.play-pill-name{white-space:nowrap}.play-pill-bars{color:var(--muted);font-weight:600}.play-pill-bars:before{content:"·";opacity:.55;margin:0 5px 0 1px}.ov-name{min-width:0}.ov-bars{color:var(--muted);flex-shrink:0;font-weight:600}.ov-bars:before{content:"·";opacity:.55;margin:0 4px 0 1px}.editor-scroll::-webkit-scrollbar{width:10px}.song-list::-webkit-scrollbar{width:10px}.editor-scroll::-webkit-scrollbar-thumb{background:padding-box padding-box;border:3px solid #0000;border-radius:10px}.song-list::-webkit-scrollbar-thumb{background:padding-box padding-box;border:3px solid #0000;border-radius:10px}.editor-scroll:hover::-webkit-scrollbar-thumb{background:var(--line-2);background-clip:padding-box}.song-list:hover::-webkit-scrollbar-thumb{background:var(--line-2);background-clip:padding-box}@media (hover:none),(pointer:coarse){.drag-handle,.block-actions,.song-del,.add-between{opacity:1;transform:none}.block-card:hover .block-actions{transform:none}.icon-btn{width:34px;height:34px}.drag-handle{width:30px;height:30px}.add-between{width:30px;height:30px;transform:translate(-50%)scale(1)}}@media (width<=720px){.app{flex-direction:column}.mobile-bar{background:var(--paper-2);border-bottom:1px solid var(--line);flex-shrink:0;align-items:center;gap:10px;padding:10px 12px;display:flex}.mobile-bar .brand-name{font-size:18px}.mobile-menu{width:38px;height:38px;color:var(--ink)}.nav-scrim{z-index:90;-webkit-backdrop-filter:blur(3px);opacity:0;pointer-events:none;transition:opacity .25s var(--ease);background:#1a160e52;display:block;position:fixed;inset:0}.nav-scrim.is-open{opacity:1;pointer-events:auto}.sidebar{z-index:95;width:min(85vw,320px);height:100%;box-shadow:var(--shadow-lg);transition:transform .3s var(--ease);will-change:transform;padding:18px 16px;position:fixed;top:0;bottom:0;left:0;transform:translate(-100%)}.sidebar.is-open{transform:none}.brand{padding:0 4px 22px}.brand-name{flex:1}.nav-close{display:grid}.editor-scroll{padding:28px 18px 140px}.song-header{flex-direction:column;display:flex}.header-actions{order:-1;align-self:flex-end;margin-bottom:16px;position:static}.header-actions .btn{padding:9px 14px}.song-meta{gap:8px}.meta-field.key-field{flex-wrap:wrap;width:100%}.url-field{flex:100%;max-width:none}.overview,.blocks,.song-header{max-width:none}}@media (width<=420px){.editor-scroll{padding:22px 14px 140px}.block-card{padding:12px 14px 16px 18px}.choice-grid{grid-template-columns:1fr}.set-card{padding:18px 16px}.header-actions .btn.ghost{flex:none}}.auth-screen{background:radial-gradient(120% 80% at 50% -10%, var(--paper-2), transparent 60%), var(--paper);place-items:center;min-height:100dvh;padding:28px;display:grid}.auth-splash{flex-direction:column;align-items:center;gap:22px;display:flex}.auth-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);width:100%;max-width:408px;box-shadow:var(--shadow-lg);padding:34px 32px 28px}.auth-brand{justify-content:center;align-items:center;gap:10px;margin-bottom:26px;display:flex}.auth-title{font-family:var(--serif);letter-spacing:-.02em;text-align:center;color:var(--ink);margin:0 0 6px;font-size:30px;font-weight:500}.auth-sub{text-align:center;color:var(--muted);margin:0 0 24px;font-size:14.5px;line-height:1.5}.auth-oauth{flex-direction:column;gap:8px;display:flex}.oauth-btn{gap:10px}.oauth-badge{background:var(--ink);width:20px;height:20px;color:var(--paper);border-radius:6px;place-items:center;font-size:12px;font-weight:700;display:grid}.auth-or{color:var(--faint);align-items:center;gap:12px;margin:18px 0;font-size:12px;display:flex}.auth-or:before,.auth-or:after{content:"";background:var(--line);flex:1;height:1px}.auth-fields{flex-direction:column;gap:10px;display:flex}.field{background:var(--paper);border:1px solid var(--line-2);border-radius:var(--r-md);height:46px;color:var(--muted);align-items:center;gap:10px;padding:0 12px;transition:border-color .18s,box-shadow .18s,background .18s;display:flex}.field:focus-within{border-color:var(--ink);box-shadow:0 0 0 3px var(--hover);background:var(--surface)}.field input{color:var(--ink);background:0 0;border:none;outline:none;flex:1;min-width:0;font-size:14.5px}.field input::placeholder{color:var(--faint)}.field-toggle{width:28px;height:28px;color:var(--faint);background:0 0;border:none;border-radius:7px;place-items:center;transition:color .15s,background .15s;display:grid}.field-toggle:hover{color:var(--ink);background:var(--hover)}.auth-forgot{margin:10px 2px 0 auto;font-size:12.5px;display:block}.auth-submit{margin-top:18px}.auth-error{color:#b4493f;border-radius:var(--r-sm);background:#b4493f17;align-items:center;gap:8px;margin-top:14px;padding:9px 12px;font-size:13px;line-height:1.4;display:flex}.auth-error svg{flex-shrink:0}.auth-foot{text-align:center;color:var(--muted);margin-top:22px;font-size:13.5px}.auth-link{font-size:inherit;color:var(--ink);text-underline-offset:2px;text-decoration:underline;-webkit-text-decoration-color:var(--line-2);text-decoration-color:var(--line-2);background:0 0;border:none;padding:0;font-weight:600;transition:text-decoration-color .16s}.auth-link:hover{-webkit-text-decoration-color:var(--ink);text-decoration-color:var(--ink)}.auth-legal{color:var(--faint);text-align:center;margin-top:22px;font-size:12px}.auth-success{text-align:center;color:var(--ink-soft);font-size:14px;line-height:1.55}.auth-success p{margin:0 0 20px}.auth-success-icon{color:#4f8a63;background:#568a6324;border-radius:50%;place-items:center;width:52px;height:52px;margin:0 auto 16px;display:grid}.spinner{opacity:.9;border:2px solid;border-top-color:#0000;border-radius:50%;width:18px;height:18px;animation:.7s linear infinite spin}.spinner-ink{color:var(--ink)}@keyframes spin{to{transform:rotate(360deg)}}.account-bar{border-top:1px solid var(--line);margin-top:10px;padding-top:12px}.account-id{align-items:center;gap:10px;padding:4px 4px 4px 6px;display:flex}.account-avatar{background:var(--ink);width:30px;height:30px;color:var(--paper);border-radius:9px;flex-shrink:0;place-items:center;font-size:14px;font-weight:600;display:grid}.account-meta{flex-direction:column;flex:1;min-width:0;display:flex}.account-name{color:var(--ink);white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:600;overflow:hidden}.account-email{color:var(--faint);white-space:nowrap;text-overflow:ellipsis;font-size:11.5px;overflow:hidden}.sync-chip{color:var(--muted);align-items:center;gap:7px;margin:8px 2px 2px;font-size:11.5px;font-weight:500;display:flex}.sync-ico{color:var(--faint);place-items:center;display:grid}.sync-ico.spin{animation:1.2s linear infinite spin}.sync-chip.is-synced .sync-ico{color:#4f8a63}.sync-chip.is-offline{color:var(--ink-soft)}.sync-chip.is-offline .sync-ico{color:#b88a3a}.sync-chip.is-error,.sync-chip.is-error .sync-ico{color:#b4493f}