:root{--ink:#27302c;--muted:#858b85;--paper:#f8f8f4;--line:#e6e7df;--gold:#b38a49;--gold-soft:#f3ead7;--green:#56796e;--left:#398c84;--right:#b18332;--sidebar:#191e1b;--radius:15px;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button{color:inherit}button:disabled{cursor:default;opacity:.4}a{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:2px solid #b38a49;outline-offset:4px}button{border:0;background:none}input[type=checkbox]{accent-color:var(--green);width:14px;height:14px;margin:0;cursor:pointer}input[type=range]{accent-color:var(--gold);cursor:pointer;height:4px}button,select,a{touch-action:manipulation}svg{display:block}.app-shell{display:grid;grid-template-columns:238px minmax(0,1fr);min-height:100vh}.sidebar{background:var(--sidebar);color:#dce1d9;padding:35px 23px 22px;position:sticky;top:0;height:100vh;min-height:720px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-size:10px;letter-spacing:1.3px;font-weight:600;white-space:nowrap}.brand small{display:block;font-weight:400;color:#9caa9f;letter-spacing:2px;font-size:8px;margin-top:9px}.brand-symbol{color:#d7bb80;font:italic 42px Georgia;position:relative;line-height:40px;min-width:32px}.brand-symbol span{font:20px Georgia;position:absolute;right:-2px;top:2px}.sidebar-rule{height:1px;background:#343b34;margin:29px 0}.library-label{font-size:9px;letter-spacing:1.5px;color:#a3ada1;display:flex;align-items:center;gap:9px}.mini-icon{font-size:17px;color:#b6bdb3}.count-badge{margin-left:auto;font-size:10px;background:#333c34;border-radius:4px;padding:2px 6px;color:#c5cebf}.song-mini{margin:19px -8px 29px;padding:10px 8px;background:#29322b;border:1px solid #3b493c;border-radius:9px;display:flex;gap:10px;align-items:center}.mini-art{width:37px;height:42px;background:#1d241f;border-radius:4px;display:block;overflow:hidden;flex-shrink:0}.mini-art svg{width:100%;height:100%;fill:none;stroke:#c9aa70;stroke-width:1.3}.song-mini strong{font-size:12px;font-weight:500}.song-mini small{font-size:8px;display:block;margin-top:6px;color:#9faa9e}.small-chevron{margin-left:auto;color:#95a18f}.route-heading{font-size:8px;letter-spacing:1.3px;color:#7e8d7d;display:flex;justify-content:space-between;margin-bottom:13px}.route-heading span{letter-spacing:0}.section-item{width:100%;display:flex;align-items:center;text-align:left;padding:11px 11px;gap:10px;color:#acb7a8;border-radius:7px;font-size:11px;margin:2px 0}.section-item:hover{background:#242e26;color:#fff}.section-item.active{background:#354131;color:#eee4cf}.section-item .section-dot{width:5px;height:5px;background:#677361;border-radius:50%;flex-shrink:0}.section-item.active .section-dot{background:#d2b479;box-shadow:0 0 0 4px #d2b4790c}.section-item .section-bars{margin-left:auto;color:#768570;font-size:9px;white-space:nowrap}.section-item.active .section-bars{color:#c4c5b1}.sidebar-progress{margin-top:auto;padding-top:40px}.sidebar-progress>div:first-child{display:flex;justify-content:space-between;font-size:10px;color:#adb6a7}.sidebar-progress strong{font-weight:400;color:#d3bc89}.progress-track{height:3px;background:#333f32;border-radius:2px;margin:12px 0}.progress-track i{display:block;height:3px;background:#c7ac72;border-radius:2px;width:0;transition:width .3s}.sidebar-progress small{font-size:9px;line-height:1.6;color:#7e8b78}.sidebar-help{color:#b6bfad;font-size:10px;border-top:1px solid #333d31;margin-top:25px;padding:20px 0 0;display:flex;gap:9px;align-items:center}.sidebar-help span:first-child{border:1px solid #76806e;border-radius:50%;height:15px;width:15px;display:grid;place-items:center;font-size:9px}.sidebar-help span:last-child{margin-left:auto}.sidebar-footer{font:italic 12px Georgia;color:#778271;margin-top:27px}.topbar{height:73px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 40px}.breadcrumbs{font-size:11px;color:#92968d;display:flex;gap:16px;align-items:center}.breadcrumbs strong{color:#5f675d;font-weight:400}.breadcrumbs>span{color:#c2c6bc}.top-actions{display:flex;align-items:center;gap:22px}.pilot-tag{font-size:8px;letter-spacing:1.5px;color:#989e94}.midi-button{display:flex;align-items:center;gap:8px;border:1px solid #dce1d6;border-radius:6px;padding:8px 12px;font-size:10px;color:#63705f;background:#fcfcf8}.midi-button i{width:5px;height:5px;background:#a9b29f;border-radius:50%}.midi-button i.connected{background:#4a9a73;box-shadow:0 0 0 3px #4a9a7317}.content{padding:30px 40px 16px;max-width:1510px;margin:auto}.song-heading{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:32px}.eyebrow{font-size:8px;letter-spacing:1.9px;color:#8e9a85;display:flex;align-items:center;gap:7px}.eyebrow span{height:5px;width:5px;background:#a8b398;border-radius:50%}h1{font:normal 56px/1.1 Georgia,"Times New Roman",serif;letter-spacing:-1.8px;margin:13px 0 9px}.heading-copy>p{font-size:12px;color:#7a8575;margin:0}.song-meta{display:flex;align-items:center;gap:11px;font-size:9px;color:#969e8c;margin-top:19px}.song-meta strong{font-weight:500;color:#68765d}.song-meta>i{width:2px;height:2px;background:#aeb6a3;border-radius:50%}.thread-art{width:280px;height:150px;position:relative;align-self:center;flex-shrink:0;opacity:.85}.thread-art svg{width:100%;height:125px;fill:none;stroke:url(#thread);stroke-width:1.4}.thread-art .shadow{opacity:.12;filter:blur(2px)}.thread-art circle{fill:#ba9759;stroke:none}.thread-art>span{font-size:7px;letter-spacing:2px;color:#a5aa9c;position:absolute;bottom:8px;right:23px}.practice-layout{display:grid;grid-template-columns:minmax(0,1fr) 245px;gap:24px;align-items:start}.phrase-strip{display:flex;justify-content:space-between;align-items:center}.label{font-size:8px;font-weight:600;letter-spacing:1.5px;color:#8f9a84}h2{font-weight:550;font-size:18px;letter-spacing:-.4px;margin:8px 0}.phrase-strip h2 span{font-weight:400;color:#8a9580;font-size:14px}.phrase-nav{display:flex;align-items:center;gap:5px}.phrase-nav>span{color:#949d8b;font-size:9px;margin-right:9px;white-space:nowrap}.icon-button{width:28px;height:28px;border:1px solid #e1e5d9;border-radius:6px;display:inline-flex;align-items:center;justify-content:center;font-size:20px;color:#6d7963;background:#fcfcf9;flex-shrink:0}.icon-button:hover{background:#eef1e7}.phrase-tabs{display:flex;gap:6px;flex-wrap:wrap;margin:14px 0 17px;min-height:28px}.phrase-tab{font-size:10px;color:#8b9580;padding:6px 12px;border-radius:5px;border:1px solid transparent}.phrase-tab:hover{background:#eeefe7}.phrase-tab.active{background:#e9eddf;color:#596b48;border-color:#dfe6d4}.phrase-tab.done:after{content:' ✓';color:#5f7c4d}.score-card{border:1px solid #dfe4d5;background:#fffef9;border-radius:12px;overflow:hidden;box-shadow:0 4px 16px #303d1e03}.score-toolbar{min-height:55px;display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid #edf0e5;background:#fffefb}.mode-switch{display:flex;background:#f0f2e9;border-radius:6px;padding:3px}.mode-switch button{font-size:10px;padding:6px 11px;color:#8b947e;border-radius:4px}.mode-switch button.active{background:white;color:#4a5b3b;box-shadow:0 1px 4px #24381015}.score-options{display:flex;align-items:center;gap:7px;font-size:9px;color:#97a089}.check-option{display:flex;align-items:center;gap:6px;cursor:pointer;font-size:10px;color:#7c886d}.score-options .check-option{margin-right:9px}.score-options .icon-button{width:22px;height:22px;border:0;background:transparent;font-size:17px}.score-options #zoom-label{font-size:9px;min-width:29px;text-align:center}.score-context{display:flex;justify-content:space-between;padding:16px 20px 0;font-size:8px;color:#9da58f}.score-context>span:last-child{display:flex;align-items:center;gap:5px}.legend-dot{display:inline-block;width:6px;height:6px;border-radius:50%;flex-shrink:0}.legend-dot.right{background:var(--right)}.legend-dot.left{background:var(--left)}.score-context .legend-dot.left{margin-left:9px}.score-viewport{overflow:auto;padding:16px 15px 12px;min-height:185px;scrollbar-width:thin;scrollbar-color:#dce3cf transparent}.score{width:100%;min-width:570px;transition:opacity .12s}.score svg{width:100%;height:auto;overflow:visible}.score .note{cursor:pointer;transition:fill .08s}.score .note:hover{fill:#9e7b3c!important;color:#9e7b3c!important}.score .note.is-playing.right,.score .note.is-playing.right *{fill:var(--right)!important;color:var(--right)!important;stroke:var(--right)!important}.score .note.is-playing.left,.score .note.is-playing.left *{fill:var(--left)!important;color:var(--left)!important;stroke:var(--left)!important}.score .note.is-playing.voice,.score .note.is-playing.voice *{fill:#827394!important;color:#827394!important}.score .note.muted-hand{opacity:.27}.score .note.midi-target,.score .note.midi-target *{fill:#b78a35!important;color:#b78a35!important}.score-bottom{border-top:1px solid #eff0e8;display:flex;align-items:center;justify-content:space-between;padding:11px 20px;color:#839174;font-size:9px;background:#fdfdf8}.score-bottom b{font-weight:400;margin:0 6px;color:#b2bba4}.score-hint{font-size:8px;color:#acb49e}.beat-dots{display:flex;gap:5px}.beat-dots i{width:4px;height:4px;border-radius:50%;background:#dfe4d5}.beat-dots i.active{background:#af8e55;box-shadow:0 0 0 3px #af8e5512}.transport-card{border:1px solid #e0e5d6;border-radius:12px;margin-top:15px;background:#fffefa;padding:17px 19px 0}.transport-top{display:flex;align-items:center;gap:12px}.restart{border:0;background:none;width:21px}.restart svg{width:16px;height:16px;fill:none;stroke:#94a383;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.play-button{display:flex;align-items:center;justify-content:center;gap:7px;min-width:107px;height:39px;border-radius:7px;background:#53694b;color:white;font-size:11px;box-shadow:0 2px 4px #2c4c2810}.play-button:hover{background:#425b3a}.play-button svg{width:16px;height:16px;fill:currentColor}.seek-wrap{flex:1;min-width:60px;padding-top:12px}.seek-wrap input{display:block;width:100%;margin:0}.seek-wrap>div{display:flex;justify-content:space-between;margin-top:8px;color:#a2ad94;font-size:8px;font-variant-numeric:tabular-nums}.tool-toggle{display:flex;gap:6px;align-items:center;font-size:9px;padding:9px 10px;border-radius:6px;color:#a7af9b}.tool-toggle svg{width:15px;height:15px;stroke:currentColor;stroke-width:1.4;fill:none;stroke-linecap:round;stroke-linejoin:round}.tool-toggle.active{background:#f0eadc;color:#9a793d}.transport-bottom{display:flex;justify-content:space-between;align-items:center;padding:16px 0;gap:12px}.speed-control{display:flex;align-items:center;gap:7px;flex:1}.control-label{font-size:10px;color:#8b977b}.speed-control input{min-width:48px;width:80px;max-width:125px}.small-button{width:19px;height:20px;font-size:16px;color:#a2ad92;padding:0}.speed-control strong{font-size:11px;font-weight:500;min-width:30px;color:#687954}.speed-control #bpm-value{font-size:8px;color:#a3ae94;white-space:nowrap}.toggle-options{display:flex;gap:13px;align-items:center}.toggle-options label{display:flex;align-items:center;gap:6px;font-size:9px;color:#8b977c;white-space:nowrap}.loop-range{border-top:1px solid #edf0e5;margin:0 -19px;padding:10px 19px;display:flex;gap:6px;align-items:center;color:#9ca88b;font-size:8px;background:#fbfcf6;border-radius:0 0 12px 12px}.loop-range select{appearance:auto;border:1px solid #e2e7d8;border-radius:4px;background:white;font-size:9px;color:#7e8e6c;padding:3px 2px}.loop-range>button{font-size:8px;color:#9a885d;margin-left:5px}.repeat-count{margin-left:auto;color:#a6b195}.keyboard-card{margin-top:17px;border:1px solid #e3e8d8;border-radius:10px;background:#fcfdf7;padding:12px 16px 13px;overflow:hidden}.keyboard-top{display:flex;justify-content:space-between;align-items:center;color:#9da98c;font-size:7px;letter-spacing:1.3px;margin-bottom:12px}.keyboard-top>div{display:flex;gap:13px;align-items:center}.keyboard-top #active-notes{letter-spacing:0;font-size:8px}.text-button{color:#9aa788;font-size:8px;padding:0;letter-spacing:0}.keyboard-scroll{overflow:auto;scrollbar-width:thin;scrollbar-color:#d6dfca transparent;padding-bottom:2px}.keyboard{display:flex;position:relative;height:77px;min-width:650px;user-select:none;padding-right:1px}.key{border:1px solid #d9dfce;border-radius:0 0 3px 3px;cursor:pointer;position:relative}.key.white{background:linear-gradient(#fff,#f6f7ee);height:76px;flex:1;margin-right:-1px;min-width:14px}.key.black{background:linear-gradient(90deg,#333e31,#202b1f);height:47px;width:1.45%;position:absolute;z-index:2;border:1px solid #20291e;box-shadow:0 2px 2px #0002}.key.white span{position:absolute;bottom:6px;left:0;right:0;text-align:center;font-size:7px;color:#acb59d;pointer-events:none}.key.active-right{background:#d2b275!important;border-color:#b99c64!important}.key.active-left{background:#7eafa2!important;border-color:#5b9688!important}.key.active-voice{background:#b5a7c3!important}.key.pressed{box-shadow:inset 0 0 0 2px #5e8755}.key.wrong{background:#c97f6d!important}.lesson-panel{margin-top:0;background:#f0f2e8;border:1px solid #e0e6d6;border-radius:12px;padding:21px 20px}.lesson-header{display:flex;align-items:center;gap:8px;font-size:8px;letter-spacing:1.4px;color:#899b76}.lesson-icon{font-size:18px;color:#8c9e74}.lesson-step-count{margin-left:auto;font-size:9px;letter-spacing:0;color:#9caa8b}.lesson-panel h3{font:normal 26px/1.17 Georgia,serif;letter-spacing:-.5px;color:#526447;margin:20px 0 10px}.lesson-intro{font-size:10px;line-height:1.8;color:#96a287;margin:0 0 22px}.lesson-steps{display:flex;flex-direction:column;gap:1px}.lesson-step{display:flex;align-items:flex-start;gap:9px;width:100%;text-align:left;position:relative;padding:10px 7px;border-radius:7px}.lesson-step:before{content:'';width:1px;position:absolute;top:33px;bottom:-4px;left:18px;background:#d9e1ce}.lesson-step:last-child:before{display:none}.lesson-step .step-number{border:1px solid #d8e1cc;border-radius:50%;width:22px;height:22px;display:grid;place-items:center;flex-shrink:0;font-size:8px;color:#9fac8e;position:relative;z-index:1;background:#f0f2e8}.lesson-step strong{display:block;font-size:10px;font-weight:500;color:#81926b;margin-top:3px}.lesson-step small{display:block;font-size:8px;color:#a2af90;margin-top:4px;line-height:1.5}.lesson-step.active{background:#e4e9d9}.lesson-step.active .step-number{border-color:#71865b;color:white;background:#71865b}.lesson-step.active strong{color:#4d653c}.lesson-step:hover{background:#e8eddf}.lesson-tip{display:flex;gap:9px;align-items:flex-start;padding:13px 0 16px;border-bottom:1px solid #dfe6d3;margin-top:12px}.tip-spark{font-size:20px;color:#aa965c}.lesson-tip p{font-size:9px;line-height:1.8;color:#8e9d7b;margin:3px 0 0}.hand-section{padding:16px 0}.hand-switch{display:flex;background:#e7ecdd;border-radius:6px;padding:3px;margin:9px 0 12px;gap:2px}.hand-switch button{font-size:9px;flex:1;display:flex;gap:4px;align-items:center;justify-content:center;padding:8px 0;color:#8d9e78;border-radius:4px}.hand-switch button.active{background:#fffef9;color:#536b3b;box-shadow:0 1px 4px #1d3b0b0e}.hand-switch .legend-dot{width:4px;height:4px}.voice-listen{font-size:8px;gap:7px;color:#94a37e}.complete-button{background:#dce5cf;border:1px solid #d1ddc1;display:flex;gap:8px;justify-content:center;align-items:center;color:#65804b;padding:12px 8px;border-radius:6px;width:100%;font-size:10px}.complete-button:hover{background:#d1dfbf}.complete-button.done{background:#587347;color:#fff}.completion-note{text-align:center;font-size:8px;color:#a1af8d;margin:9px 0 0;line-height:1.5}.midi-practice{font-size:9px;margin:0 0 15px}.midi-practice label{display:flex;gap:7px;align-items:center}.midi-practice small{display:block;font-size:8px;line-height:1.6;color:#8c9d77;margin-top:8px}.page-footer{display:flex;justify-content:space-between;gap:20px;margin:28px 0 0;font-size:8px;color:#aab49b;line-height:1.6}.page-footer button{font-size:8px;color:#96a384;padding:0;white-space:nowrap}.loading{min-height:150px;display:grid;place-items:center;color:#8c9d76;font-size:12px}.toast{position:fixed;left:calc(50% + 100px);bottom:25px;transform:translate(-50%,15px);opacity:0;background:#263323;color:#f0f2e8;padding:12px 18px;border-radius:9px;font-size:12px;box-shadow:0 5px 30px #0002;pointer-events:none;z-index:30;transition:.2s;max-width:85vw;line-height:1.6}.toast.show{opacity:1;transform:translate(-50%,0)}.count-overlay{position:fixed;inset:0;background:#17201535;backdrop-filter:blur(2px);z-index:20;display:grid;place-items:center;pointer-events:none}.count-overlay[hidden]{display:none}.count-overlay>div{background:#fffef8f2;padding:25px 50px;border-radius:17px;box-shadow:0 15px 60px #10240e30;text-align:center;display:flex;flex-direction:column}.count-overlay span{font-size:9px;letter-spacing:2px;color:#9ba98a}.count-overlay strong{font:70px Georgia;color:#6b8054;margin:8px}.count-overlay small{font-size:10px;color:#9ba98a}dialog{border:1px solid #dce4d0;border-radius:16px;background:#fffef8;color:var(--ink);padding:36px;width:480px;max-width:calc(100vw - 30px);max-height:85vh;box-shadow:0 15px 80px #10220a33}dialog::backdrop{background:#14200f65;backdrop-filter:blur(3px)}dialog h2{font:30px Georgia;line-height:1.2;margin:17px 0}dialog p,dialog li{font-size:12px;line-height:1.9;color:#819170}dialog ol{padding-left:19px}dialog li{padding:5px 0}dialog strong{font-weight:500;color:#536843}.dialog-close{position:absolute;right:13px;top:11px;color:#a1ae92;font-size:25px}.primary-button{background:#5d754b;color:white;border-radius:6px;padding:12px 20px;font-size:12px;margin:10px 0}.shortcut-list{display:flex;gap:15px;flex-wrap:wrap;font-size:9px;color:#9ba98b;margin:20px 0}kbd{padding:3px 6px;border:1px solid #e0e5d7;border-radius:3px;color:#7c9066;background:#f6f8ef;font:9px inherit}dialog small{font-size:9px;line-height:1.8;color:#8e9e7d;display:block}dialog hr{border:0;border-top:1px solid #e3e8d9;margin:22px 0}.download-link{display:inline-block;font-size:12px;color:#8b713d;margin-top:10px}.status-message{padding:10px 13px;background:#f1f4e9;border-radius:6px}dialog select{width:100%;padding:9px;border:1px solid #dce4ce;background:white;color:#6b8053;border-radius:5px}.muted{font-size:10px!important;color:#a2af91!important}
@media(min-width:1550px){.app-shell{grid-template-columns:258px minmax(0,1fr)}.sidebar{padding-left:30px;padding-right:30px}.practice-layout{grid-template-columns:minmax(0,1fr) 270px}.content{padding-top:38px}.song-heading{margin-bottom:40px}.lesson-panel{padding:24px}.score-viewport{min-height:220px;padding:20px}.score-toolbar{padding:13px 20px}}
@media(max-width:1200px){.app-shell{grid-template-columns:205px minmax(0,1fr)}.sidebar{padding:28px 16px}.brand{font-size:8px;gap:9px}.brand small{font-size:7px}.content{padding:25px 25px 16px}.topbar{padding:0 25px}.practice-layout{grid-template-columns:minmax(0,1fr) 220px;gap:16px}.lesson-panel{padding:19px 15px}.thread-art{width:210px}.score-toolbar{padding:10px 12px;flex-wrap:wrap;gap:10px}.score-options{margin-left:auto}.toggle-options{gap:7px}.transport-bottom{flex-wrap:wrap}.speed-control{min-width:210px}.song-meta{gap:8px;font-size:8px}.score-hint{display:none}.keyboard-top #active-notes{display:none}.phrase-strip h2{font-size:16px}.phrase-strip h2 span{font-size:12px}.phrase-nav>span{font-size:8px;margin-right:4px}}
@media(max-width:1000px){.app-shell{grid-template-columns:185px minmax(0,1fr)}.sidebar{padding:27px 13px}.practice-layout{grid-template-columns:1fr}.lesson-panel{display:grid;grid-template-columns:1fr 1fr;column-gap:24px}.lesson-header{grid-column:1/-1}.lesson-panel h3{font-size:24px}.lesson-intro{grid-column:1;align-self:start}.lesson-steps{grid-column:2;grid-row:2/5}.lesson-tip{grid-column:1}.hand-section{grid-column:1}.complete-button{grid-column:2;align-self:end;grid-row:5}.completion-note{grid-column:2}.midi-practice{grid-column:1}.thread-art{width:180px}.content{padding-left:22px;padding-right:22px}.topbar{padding-left:22px;padding-right:22px}.song-heading{margin-bottom:26px}h1{font-size:49px}.score-viewport{min-height:180px}.pilot-tag{display:none}.song-mini small{font-size:7px}.song-mini strong{font-size:11px}.brand{font-size:7px}.section-item{padding:10px 7px;font-size:10px}.route-heading{font-size:7px}.page-footer{flex-direction:column;gap:8px}.page-footer button{text-align:left}.toast{left:55%}}
@media(max-width:720px){.app-shell{display:block}.sidebar{height:auto;min-height:0;position:relative;padding:20px 20px 0;display:block}.brand{font-size:9px}.brand small{font-size:7px}.brand-symbol{font-size:36px}.sidebar-rule,.library-label,.song-mini,.route-heading,.sidebar-progress,.sidebar-help,.sidebar-footer{display:none}#section-nav{display:flex;overflow:auto;margin:19px -20px 0;padding:0 12px 10px;gap:4px;scrollbar-width:none}.section-item{width:auto;white-space:nowrap;padding:9px 10px;flex-shrink:0;font-size:10px}.section-bars{display:none}.topbar{height:52px;padding:0 20px}.top-actions{gap:9px}.midi-button{padding:6px 9px;font-size:9px}.breadcrumbs{font-size:9px;gap:9px}.content{padding:24px 17px 15px}.thread-art{width:110px;height:110px;position:absolute;right:8px;top:185px;opacity:.5}.thread-art svg{height:100px}.thread-art>span{display:none}.song-heading{position:relative;margin-bottom:28px}.thread-art{top:0}.heading-copy{position:relative;z-index:1}.eyebrow{font-size:7px;letter-spacing:1.4px}h1{font-size:44px;margin-top:13px}.heading-copy>p{font-size:10px}.song-meta{font-size:8px;gap:7px;flex-wrap:wrap;margin-top:16px}.practice-layout{gap:20px}.phrase-strip h2{font-size:16px}.phrase-strip h2 span{font-size:12px}.phrase-nav{gap:3px}.phrase-nav>span{font-size:8px}.phrase-nav .icon-button{width:25px;height:25px}.label{font-size:7px}.phrase-tabs{margin:12px 0 14px}.phrase-tab{padding:6px 9px;font-size:9px}.score-toolbar{padding:10px;gap:10px}.mode-switch button{font-size:9px;padding:6px 9px}.score-options{gap:5px}.score-options .check-option{font-size:9px;margin-right:3px}.score-options .icon-button{width:18px}.score-options #zoom-label{font-size:8px;min-width:24px}.score-context{padding:13px 13px 0;font-size:7px}.score-viewport{padding:15px 10px;min-height:160px}.score{min-width:620px}.score-bottom{padding:11px 13px;font-size:8px}.transport-card{padding:15px 13px 0}.transport-top{gap:8px}.play-button{min-width:88px;height:37px;font-size:10px}.tool-toggle{padding:7px}.tool-toggle span{display:none}.transport-bottom{gap:14px;padding:15px 0}.speed-control{gap:7px}.speed-control input{width:75px}.toggle-options{gap:17px;width:100%;padding-left:2px}.toggle-options label{font-size:10px}.loop-range{margin:0 -13px;padding:10px 13px;font-size:8px;gap:5px}.repeat-count{font-size:7px}.keyboard-card{padding:12px}.keyboard-top{font-size:7px}.lesson-panel{display:block;padding:22px}.lesson-panel h3 br{display:none}.lesson-panel h3{font-size:26px;margin-top:17px}.lesson-intro{font-size:11px;margin-bottom:15px}.lesson-steps{display:grid;grid-template-columns:1fr 1fr;gap:7px}.lesson-step:before{display:none}.lesson-step strong{font-size:10px}.lesson-step small{font-size:9px}.lesson-tip p{font-size:10px}.lesson-tip{margin-top:10px}.hand-switch button{font-size:10px;padding:10px}.voice-listen{font-size:10px}.complete-button{font-size:11px;padding:13px}.completion-note{font-size:9px}.page-footer{font-size:7px;line-height:1.9}.toast{left:50%;font-size:11px;min-width:240px;text-align:center}.count-overlay strong{font-size:58px}.score-viewport::-webkit-scrollbar{height:5px}.score-viewport::-webkit-scrollbar-thumb{background:#dce3cf;border-radius:5px}dialog{padding:28px}dialog h2{font-size:27px}}
/* Keep the notation and keyboard together in one continuous practice card. */
.score-card>.score-viewport{height:auto;max-height:clamp(220px,40vh,440px)}
.score-card>.keyboard-card{margin:0;border:0;border-top:1px solid #e3e8d8;border-radius:0}
/* Keep secondary labels legible beside a piano, at normal laptop distance. */
.section-item{font-size:12px}.section-item .section-bars{font-size:10px}.song-mini strong{font-size:13px}.song-mini small{font-size:9px}.sidebar-progress>div:first-child{font-size:11px}.sidebar-progress small,.sidebar-help{font-size:10px}.breadcrumbs{font-size:12px}.midi-button{font-size:11px}.heading-copy>p{font-size:14px;color:#6d7865}.song-meta{font-size:11px;color:#7c896f}.label{font-size:9px;color:#7c8b6d}.phrase-nav>span{font-size:11px;color:#768665}.phrase-tab{font-size:12px}.mode-switch button{font-size:12px}.check-option{font-size:11px;color:#697c56}.score-options{color:#778765}.score-context{font-size:10px;color:#7c8b6c}.score-bottom{font-size:11px;color:#70805e}.score-hint{font-size:10px;color:#8a967b}.play-button{font-size:12px}.tool-toggle{font-size:10px}.control-label{font-size:11px;color:#748660}.speed-control strong{font-size:12px}.speed-control #bpm-value{font-size:10px;color:#7e8d6c}.seek-wrap>div{font-size:10px;color:#849273}.toggle-options label{font-size:10px;color:#71855b}.loop-range,.loop-range>button{font-size:10px}.loop-range select{font-size:10px}.keyboard-top{font-size:8px}.keyboard-top #active-notes{font-size:10px;color:#758665}.text-button{font-size:10px}.lesson-header{font-size:9px;color:#758d60}.lesson-intro{font-size:12px;color:#7c8d6a}.lesson-step strong{font-size:12px;color:#6b8056}.lesson-step small{font-size:10px;color:#899b74}.lesson-tip p{font-size:11px;color:#748961}.voice-listen{font-size:10px}.complete-button{font-size:12px}.completion-note{font-size:10px;color:#81936e}.page-footer,.page-footer button{font-size:9px;color:#8a9a78}
@media(max-width:1200px){.section-item{font-size:11px}.score-toolbar{gap:8px}.score-options .check-option{font-size:10px}.mode-switch button{font-size:11px}.lesson-step strong{font-size:11px}.lesson-step small{font-size:9px}.lesson-tip p{font-size:10px}.score-hint{display:none}.phrase-nav>span{font-size:10px}}
@media(max-width:720px){.section-item{font-size:11px}.heading-copy>p{font-size:12px}.song-meta{font-size:10px}.score-toolbar{align-items:flex-start}.score-options{margin-left:0;gap:5px}.score-context{font-size:9px}.phrase-nav>span{font-size:9px}.phrase-tab{font-size:11px}.loop-range{font-size:9px}.loop-range>button{font-size:9px}.repeat-count{font-size:8px}.lesson-intro{font-size:12px}.lesson-step strong{font-size:11px}.lesson-step small{font-size:10px}.lesson-tip p{font-size:11px}.voice-listen{font-size:11px}.page-footer,.page-footer button{font-size:8px}.midi-button{font-size:10px}.breadcrumbs{font-size:10px}.score-bottom{font-size:10px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

.practice-main{min-width:0}.score-card{min-width:0}.score-viewport{max-height:440px}@media(max-width:1000px){.practice-layout{grid-template-columns:minmax(0,1fr)}}@media(max-width:720px){.score-viewport{max-height:340px}.phrase-strip{gap:8px}.phrase-strip>div:first-child{min-width:0}.phrase-nav{flex-shrink:0}}