header .back{margin-left:auto;font-size:12px;color:#9cbce2}.music-main{max-width:1180px;padding-top:34px}.music-heading{display:flex;justify-content:space-between;gap:25px;align-items:end;margin-bottom:26px}.music-heading h1{font-size:50px;margin:13px 0 10px;letter-spacing:-.05em}.music-heading p{font-size:13px;color:#8caacc;margin:0}.music-heading .eyebrow{font-size:9px}.audio-settings{display:flex;gap:18px;align-items:center;font-size:11px;color:#92b6db}.audio-settings label{margin:0;font-size:11px}.audio-settings input{width:100px;padding:0}.music-panel{border:1px solid #31567c;border-radius:8px;background:#08172b;overflow:hidden}.transport{display:flex;gap:10px;align-items:center;padding:15px 20px;border-bottom:1px solid #27415e;background:#0c203a;flex-wrap:wrap}.transport button,.transport select{font-size:12px;padding:8px 12px}.transport select{width:auto}.track-name{font-size:10px;color:#6daddd;letter-spacing:.1em;margin-left:auto}.music-body{display:grid;grid-template-columns:1fr 300px;gap:25px;padding:24px}.help-panel{color:#8da9ce;font-size:12px}.help-panel h2{font-size:22px;color:#ddeaff;margin:0 0 20px}.help-panel strong{color:#81d8ff}.help-panel p{line-height:1.9}.stats-line{display:flex;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px solid #254260;font-size:11px;color:#7d9ac0}.stats-line strong{display:block;font:25px/1.5 monospace;color:#a3e9ff}.rhythm-stage{height:390px;position:relative;border:1px solid #294e7c;border-radius:5px;overflow:hidden;background:linear-gradient(#040c19,#0a2141)}#rhythm-canvas{width:100%;height:100%;display:block;touch-action:manipulation}.lane-buttons{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:10px}.lane-buttons button{padding:15px 0;border-bottom:3px solid #458eff;color:#a0ddff;touch-action:manipulation}.lane-buttons button:nth-child(2),.lane-buttons button:nth-child(3){border-color:#50d9e8}.lane-buttons button.hit{background:#286df7}.stage-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;background:#06142bdf;pointer-events:none;text-align:center;padding:25px}.stage-overlay h2{font-size:29px;margin:0 0 12px}.stage-overlay p{font-size:12px;color:#92b7d9}.judgment{position:absolute;top:35%;left:0;right:0;text-align:center;color:#a5eaff;font:700 24px monospace;pointer-events:none;text-shadow:0 0 20px #1288ff}.music-status{min-height:30px;padding:0 24px;color:#8eb4dd;font-size:12px}.offset-control{margin-top:24px;border-top:1px solid #234266;padding-top:15px}.offset-control input{padding:0;width:100%;margin-top:10px}.lesson-box{padding:22px;background:#102749;border-bottom:1px solid #2b4c73;display:flex;justify-content:space-between;gap:20px;align-items:center}.lesson-box small{color:#7fa2c9;font-size:10px}.lesson-box strong{display:block;color:#a4e8ff;font-size:29px}.sequence{display:flex;gap:6px;flex-wrap:wrap;padding:18px 24px}.sequence span{font-size:12px;border:1px solid #294e78;border-radius:3px;padding:5px 9px;color:#758fb1}.sequence span.done{color:#62bac4;border-color:#2e696e}.sequence span.current{background:#20509c;color:white;border-color:#78c9ff}.keyboard-wrap{position:relative;margin:15px 24px 25px;user-select:none;touch-action:manipulation;height:245px}.piano-key{position:absolute;top:0;border-radius:0 0 6px 6px;display:flex;flex-direction:column;justify-content:end;align-items:center;gap:4px;padding:14px 0;font-size:14px}.piano-key.white{width:12.5%;height:100%;color:#253b56;background:linear-gradient(#dce6f2,#f6faff);border:1px solid #8298b7;z-index:1}.piano-key.black{width:8%;height:61%;color:#aac5e5;background:linear-gradient(#172742,#020710);border:1px solid #020a17;z-index:2;font-size:10px}.piano-key small{font-size:9px;opacity:.65}.piano-key.target{box-shadow:inset 0 -8px #2888ff}.piano-key.played{background:#5fd9ff!important;color:#09243d}.instrument-notes{padding:0 24px 20px;color:#8daccd;font-size:12px}.chord-buttons{display:flex;gap:9px;flex-wrap:wrap}.chord-buttons button{padding:10px 23px;font-size:19px}.chord-buttons button.selected{background:#2167dc;border-color:#8ae0ff}.guitar-layout{display:grid;grid-template-columns:220px 1fr;gap:30px;padding:24px}.fretboard{position:relative;width:200px;height:215px;margin:15px 5px 25px;background:repeating-linear-gradient(to bottom,transparent 0,transparent 52px,#466991 53px,#466991 54px);border-top:5px solid #b5cadf;border-bottom:1px solid #42617e;display:grid;grid-template-columns:repeat(6,1fr)}.string{height:100%;border-left:1px solid #6888a9;position:relative;margin-left:16px}.string .finger{position:absolute;left:-11px;border-radius:50%;width:21px;height:21px;background:#56c9ff;box-shadow:0 0 13px #248fff77;color:#062440;text-align:center;font-size:11px;font-weight:bold;line-height:21px}.string .open-string{position:absolute;top:-29px;left:-4px;color:#96c6ef;font-size:10px}.strum-zone{width:100%;height:160px;margin-top:20px;background:repeating-linear-gradient(#0f2543 0,#0f2543 23px,#4b7498 24px,#0f2543 25px);border:1px solid #335c88;display:flex;align-items:center;justify-content:center;color:#b5e8ff;font-size:19px;touch-action:manipulation}.strum-zone.played{background-color:#20487a;box-shadow:0 0 25px #2176ec66}.string-buttons{display:flex;gap:5px;margin-top:13px}.string-buttons button{flex:1;padding:8px 0;font-size:11px}.music-links{display:flex;gap:20px;margin-top:20px;font-size:12px;color:#8abcdd}.music-links a:hover{color:white}button.played{outline:1px solid #93e4ff}@media(max-width:800px){.music-main{padding:22px 16px}.music-heading{display:block;margin-bottom:20px}.music-heading h1{font-size:35px}.music-heading p{font-size:12px}.audio-settings{margin-top:20px;justify-content:space-between}.music-body{grid-template-columns:1fr;padding:14px;gap:20px}.help-panel h2{font-size:18px;margin-bottom:8px}.help-panel p{margin:8px 0}.rhythm-stage{height:340px}.transport{padding:12px;gap:7px}.track-name{width:100%;margin:0;font-size:9px}.stats-line strong{font-size:22px}.offset-control{margin-top:12px}.lesson-box{padding:16px}.lesson-box strong{font-size:24px}.sequence{padding:14px;gap:4px}.sequence span{padding:4px 6px;font-size:11px}.keyboard-wrap{height:195px;margin:10px 12px 20px}.piano-key.white{font-size:12px}.piano-key.black{font-size:8px}.guitar-layout{grid-template-columns:1fr;gap:5px;padding:16px}.fretboard{margin:32px auto 15px}.chord-buttons{justify-content:center}.chord-buttons button{padding:8px 20px}.strum-zone{height:125px;margin-top:10px}.instrument-notes{padding:0 16px 18px}.music-links{gap:14px;font-size:11px}.music-status{padding:0 16px}}

.drum-top{padding:10px 24px 16px;display:flex;align-items:center;gap:40px}.drum-top .stats-line{flex:1;border:0}.drum-top #drum-cue{color:#90d8f9;font-size:13px;min-width:260px}.drum-stage{position:relative;aspect-ratio:3/2;background:#031023;margin:0 20px;border:1px solid #274e72;border-radius:8px;overflow:hidden}.drum-stage img{width:100%;height:100%;object-fit:contain;display:block}.drum-pad{position:absolute;transform:translate(-50%,-50%);padding:8px 12px;background:#061731bf;border:1px solid #6abbf5;color:#d7f3ff;border-radius:6px;min-width:65px;touch-action:manipulation}.drum-pad b{font:700 16px monospace;display:block}.drum-pad span{font-size:10px}.drum-pad.played{background:#308bff;box-shadow:0 0 30px 15px #46b7ff66;border-color:#adf4ff}.drum-legend{display:flex;gap:7px;flex-wrap:wrap;padding:18px 24px}.drum-legend button{font:12px monospace;padding:9px 12px}.drum-legend span{font:11px sans-serif;color:#9bbadc}@media(max-width:800px){.drum-top{display:block;padding:6px 16px 12px}.drum-top #drum-cue{min-width:0;font-size:11px}.drum-stage{margin:0 8px}.drum-pad{padding:4px;min-width:36px}.drum-pad b{font-size:10px}.drum-pad span{font-size:8px}.drum-legend{padding:12px;gap:5px}.drum-legend button{padding:7px;font-size:11px}}
@media(min-width:801px){.drum-stage{width:min(calc(100% - 40px),calc(58vh * 1.5));margin:0 auto}}

.recording-panel{margin-top:18px;padding:18px 22px;border:1px solid #304e72;border-radius:8px;background:#0b1b32}.recording-controls{display:flex;align-items:center;gap:20px}.recording-controls span,.record-help{font-size:12px;color:#92afd1}.record-help{margin:9px 0 0}.record-active{background:#803146;border-color:#f47d98}.recording-row{display:flex;align-items:center;gap:16px;border-top:1px solid #284263;padding-top:14px;margin-top:14px;font-size:12px}.recording-row audio{max-width:100%;height:36px;flex:1}.recording-row .button{white-space:nowrap;font-size:12px}.drum-play-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(340px,1fr);gap:16px;padding:0 20px;align-items:center}.drum-play-layout .drum-stage{width:100%;margin:0;aspect-ratio:3/2}.drum-belt-panel{border:1px solid #315273;border-radius:6px;background:#071425;overflow:hidden}.belt-heading{padding:9px 12px;color:#93c6ea;font-size:10px;border-bottom:1px solid #284563}.drum-belt-panel canvas{display:block;width:100%;height:400px}.drum-belt-panel p{font-size:10px;color:#94b1ce;margin:7px 12px}.drum-play-layout .drum-pad{padding:5px;min-width:40px}.drum-play-layout .drum-pad b{font-size:12px}.drum-play-layout .drum-pad span{font-size:9px}@media(max-width:800px){.drum-play-layout{grid-template-columns:1fr;padding:0 10px}.drum-belt-panel canvas{height:320px}.recording-panel{padding:15px}.recording-controls{gap:12px;flex-wrap:wrap}.recording-row{flex-wrap:wrap}.recording-row audio{min-width:200px}.drum-play-layout .drum-pad b{font-size:10px}.drum-play-layout .drum-pad span{font-size:8px}}

.guitar-play-layout{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(320px,1fr);gap:15px;padding:0 20px 20px;align-items:center}.guitar-play-layout .guitar-layout{grid-template-columns:160px minmax(0,1fr);gap:14px;padding:14px 0}.guitar-play-layout .fretboard{width:145px}.guitar-play-layout .chord-buttons{gap:5px}.guitar-play-layout .chord-buttons button{padding:6px 10px;font-size:16px}.guitar-belt-panel .stats-line{padding:8px 12px}.guitar-belt-panel .stats-line strong{font-size:19px}@media(max-width:900px){.guitar-play-layout{grid-template-columns:1fr}.guitar-play-layout .guitar-layout{grid-template-columns:160px minmax(0,1fr)}}@media(max-width:500px){.guitar-play-layout{padding:0 12px 15px}.guitar-play-layout .guitar-layout{grid-template-columns:1fr}.guitar-play-layout .fretboard{width:200px}.guitar-play-layout .chord-buttons button{padding:8px 15px}}

/* Full drum surfaces accept independent finger presses. */
.drum-stage{touch-action:none;user-select:none;-webkit-user-select:none}.drum-stage img{pointer-events:none}
.drum-play-layout .drum-pad{width:19%;height:25%;min-width:44px;min-height:44px;border-radius:50%;background:#08264760;touch-action:none;-webkit-tap-highlight-color:transparent;display:flex;flex-direction:column;align-items:center;justify-content:center}
.drum-play-layout .drum-pad[data-drum=kick]{width:26%;height:29%}.drum-pad.played{background:#258dffc9!important;transform:translate(-50%,-50%) scale(1.05)}
.drum-legend button{min-height:44px;touch-action:none}.drum-song-info{padding:16px 24px 0;color:#a1c8e7;font-size:12px}.drum-song-info progress{display:block;width:100%;height:5px;margin-top:12px;accent-color:#5fdcff}#drum-result{padding:15px;margin-top:12px;border:1px solid #55b9e8;border-radius:6px;background:#123554;font-size:15px;color:#c4f1ff}
@media(max-width:800px){body[data-instrument=drums] .music-main{padding:15px 8px}.drum-play-layout{gap:8px;display:flex;flex-direction:column}.drum-play-layout .drum-belt-panel{order:-1;width:100%}.drum-play-layout .drum-belt-panel canvas{height:160px}.drum-play-layout .drum-stage{width:100%;aspect-ratio:3/2}.drum-play-layout .drum-pad span{font-size:10px}.drum-play-layout .drum-pad b{font-size:11px}.drum-top{padding:0 12px 8px}.drum-top .stats-line{padding:7px 0}.drum-song-info{padding:12px 12px 0}.drum-legend{display:grid;grid-template-columns:repeat(4,1fr)}.drum-legend button{padding:7px 4px}.drum-play-layout .belt-heading{padding:5px 10px}.drum-play-layout .drum-belt-panel p{display:none}}

@media(max-width:800px){body.drum-playing header,body.drum-playing .music-heading,body.drum-playing .drum-song-info,body.drum-playing .track-name{display:none}body.drum-playing .music-main{padding-top:8px}body.drum-playing .transport{padding:8px}body.drum-playing .drum-legend{display:none}}

.song-file-panel{padding:16px 20px;border-bottom:1px solid #294866;background:#0b2039}.song-file-panel p{font-size:11px;color:#96b6d5;line-height:1.6}.song-settings{display:flex;gap:12px;flex-wrap:wrap;align-items:end}.song-settings label{font-size:11px}.song-settings input[type=number]{width:90px}.song-settings button{font-size:11px}.song-file-panel audio{width:100%;height:36px}.song-file-panel input[type=file]{max-width:100%;font-size:12px}@media(max-width:800px){body.drum-playing .song-file-panel{display:none}.song-file-panel{padding:12px}.song-settings{gap:8px}}

.drum-mixer{margin-top:16px;padding:18px;border:1px solid #31567c;border-radius:8px;background:#0b2039}.drum-mixer summary{cursor:pointer;font-weight:700;color:#bdeaff}.drum-mixer p{font-size:12px;color:#8daecb}.mixer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:16px 0}.mixer-channel{padding:12px;background:#08172b;border:1px solid #294662;border-radius:6px}.mixer-channel label{display:flex;justify-content:space-between;font-size:12px}.mixer-channel output{color:#72dbff}.mixer-channel input{width:100%;padding:0;margin:15px 0;accent-color:#5caeff}.mixer-channel button{font-size:11px;padding:6px 10px}#master-volume-value{min-width:38px;color:#9ae2ff;font-size:11px}@media(max-width:800px){.mixer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.drum-mixer{padding:12px}.mixer-channel{padding:10px}.mixer-channel button{min-height:40px}}

/* Drum notation key beneath each instrument button. */
.drum-legend{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:8px;padding-bottom:8px}.drum-key-card{min-width:0;text-align:center}.drum-key-card button{width:100%;padding:9px 3px}.drum-notation{color:#7bdcff;margin-top:6px;background:#061528;border:1px solid #203d59;border-radius:6px;padding:0 2px 8px}.drum-notation svg{display:block;width:100%;height:106px}.drum-notation small{display:block;color:#9bbadc;font:10px sans-serif}.drum-notation-help{margin:0;padding:0 24px 8px;color:#9bbadc;font-size:11px;line-height:1.6}.drum-key-card:has(button.played) .drum-notation{color:#fff;border-color:#7bdcff;background:#12395b}@media(max-width:800px){.drum-legend{grid-template-columns:repeat(4,minmax(0,1fr))}.drum-notation-help{padding:0 12px 8px}}