/* The instruments share one compact, playable surface. */
.piano-window,.pad-window{display:flex;flex-direction:column;overflow:hidden!important;background:#15151d;border-color:#383542}
.piano-window{width:min(800px,62vw);min-height:0}
.pad-window{width:min(450px,calc(100vw - 24px));min-height:0}
.instrument-panel.minimized .piano-window,.instrument-panel.minimized .pad-window{min-height:0;height:auto!important}
.piano-header,.pad-header{flex:0 0 auto;padding:12px 16px;border-bottom:1px solid #33303e;min-height:56px}
.piano-title,.pad-title-text{font-size:17px;font-weight:650;letter-spacing:-.02em}
.piano-close,.pad-close-btn{min-width:36px;min-height:36px;border-radius:10px;font-size:19px}
.studio-content{display:flex;flex-direction:column;flex:1;min-height:0;overflow:hidden}
.studio-control-area{flex:0 1 auto;min-height:0;overflow:auto}
.studio-instrument-volume{display:grid;grid-template-columns:auto minmax(80px,1fr) 42px;align-items:center;gap:12px;padding:10px 16px;border-bottom:1px solid #302d3b;color:#bbb5ca;font-size:12px}
.studio-instrument-volume label{font-weight:550}.studio-instrument-volume output{text-align:right;color:#ece6fa;font-variant-numeric:tabular-nums}
.studio-instrument-volume input{width:100%;min-width:0;min-height:32px;margin:0;accent-color:#b19ade;cursor:pointer}
.studio-instrument-volume input:focus-visible{outline:2px solid #b9a0fa;outline-offset:3px;border-radius:4px}
.pad-window .studio-instrument-volume{border-color:#302b31;color:#d0bca3}.pad-window .studio-instrument-volume input{accent-color:#deb27b}
.studio-content>.studio-toolbar,.studio-content>.studio-tone-row,.studio-content>.studio-play-tools,.studio-content>.studio-preset-note,.studio-content>.pad-kit-row,.studio-content>.pad-fx-row{flex-shrink:0}
.studio-toolbar{display:flex;align-items:end;gap:12px;padding:14px 16px 10px;flex-wrap:wrap}
.studio-field{display:flex;flex-direction:column;gap:6px;flex:1;min-width:110px;color:#bcb7ca;font-size:12px}
.studio-field select,.studio-field input[type=text],.studio-select{color:#f2eff8;background:#22212e;border:1px solid #494453;border-radius:9px;padding:9px 11px;min-height:38px;font:inherit;font-size:14px;max-width:100%}
.studio-field select:focus-visible,.studio-select:focus-visible,.studio-button:focus-visible{outline:2px solid #b9a0fa;outline-offset:2px}
.studio-voice-field{flex:2;min-width:205px}
.studio-preset-note{color:#a49cac;padding:0 16px 9px;font-size:12px;line-height:1.5;min-height:27px}
.studio-tone-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;padding:5px 16px 12px;border-bottom:1px solid #302d3b}
.studio-tone-row[hidden]{display:none}
.studio-tone-row label{font-size:12px;color:#bbb5ca;display:flex;flex-direction:column;gap:8px}
.studio-tone-row label>span{display:flex;justify-content:space-between;gap:8px}
.studio-tone-row output{color:#ece6fa;font-variant-numeric:tabular-nums}
.studio-tone-row input{width:100%;accent-color:#b19ade;height:18px;cursor:pointer}
.studio-play-tools{display:flex;flex-wrap:wrap;align-items:center;gap:9px;padding:9px 16px}
.studio-button{min-height:35px;background:#252231;border:1px solid #4b425f;border-radius:8px;padding:7px 11px;color:#ded6ef;font:inherit;font-size:12px;cursor:pointer;transition:background .14s,border-color .14s}
.studio-button:hover{background:#332d43;border-color:#a892cc}
.studio-button[aria-pressed=true]{background:#483760;border-color:#bd9fec;color:#fff}
.studio-button:disabled{opacity:.4;cursor:default}
.studio-button.primary{background:#a88adb;color:#17111e;border-color:#bba3e3;font-weight:650}
.studio-button.danger{border-color:#bb687d;color:#ffdce5}
.studio-hint{font-size:12px;color:#a9a0b7;line-height:1.5}
.studio-hint.right{margin-left:auto}
.piano-presets,.piano-sound-bar{display:none}
.piano-keyboard{flex:1 0 155px;min-height:155px;padding:12px 16px 18px;grid-template-rows:minmax(0,1fr);gap:2px;background:#111118;overflow:hidden}
.piano-key{position:relative;border-radius:0 0 7px 7px;touch-action:none;cursor:pointer;transition:background .08s,box-shadow .08s}
.piano-key.white{height:100%;background:#e4e1ec;border:1px solid #aaa4b5;box-shadow:inset 0 -5px 0 #c5bfce;color:#292131}
.piano-key.black{background:#2b2634;border:1px solid #0f0c15;box-shadow:inset 0 -5px 0 #17111f;height:64%;color:#ede6f7;z-index:2}
.piano-key.white.active{background:#bf9de8;box-shadow:inset 0 -2px 0 #8c6dab}
.piano-key.black.active{background:#8760b0;box-shadow:inset 0 -2px 0 #62407e}
.piano-key.outside-scale.white{background:#bab6c1;color:#615967}
.piano-key.outside-scale.black{background:#1d1924;color:#7e738a}
.piano-key .piano-note-label{font-size:11px;font-weight:600}
.piano-key:focus-visible{outline:3px solid #bb82fd;outline-offset:-4px}
.piano-key.root-note:after{content:'';width:5px;height:5px;border-radius:50%;background:#8960b5;position:absolute;bottom:55px;left:calc(50% - 2px)}
.studio-performance{flex:0 0 auto;padding:11px 16px 13px;border-top:1px solid #38313f;background:#1c1925;max-height:35%;overflow:auto}
.studio-performance-controls{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.studio-performance-controls>.studio-button.primary{min-width:110px;font-variant-numeric:tabular-nums}
.studio-performance-controls label{display:flex;align-items:center;gap:7px;font-size:12px;color:#bcb3c9}
.studio-performance-controls + .studio-performance-controls{gap:10px 16px;padding-top:10px}
.studio-performance-controls + .studio-performance-controls label{font-size:14px;color:#ddd4ea}
.studio-performance-controls input[type=checkbox]{accent-color:#b19ade;width:16px;height:16px;flex-shrink:0}
#studio-piano-phase{margin-left:auto;padding:6px 9px;border:1px solid #59466d;border-radius:8px;background:#2c2338;color:#e1c9ff;font-size:14px;font-variant-numeric:tabular-nums;white-space:nowrap}
.studio-take-actions>label{display:flex;align-items:center;gap:7px;font-size:14px;color:#ddd4ea;min-width:0}
.studio-performance-controls .studio-select{padding:6px 8px;min-height:34px;font-size:12px}
.studio-performance-status{font-size:12px;line-height:1.5;min-height:22px;margin:8px 0 0;color:#bfb0d2}
.studio-performance-progress{height:3px;width:100%;accent-color:#bb92ee;margin-top:7px;display:block}
.studio-performance-progress[hidden]{display:none}
.studio-take-actions{display:flex;gap:7px;flex-wrap:wrap;margin-top:8px;align-items:center}
.studio-take-actions[hidden]{display:none}
.studio-take-name{min-width:110px;flex:1;color:#eee7f5;border:1px solid #4b425b;border-radius:8px;padding:8px 9px;background:#22202c;font:inherit;font-size:12px}
.studio-audio-take{border-top:1px solid #38313f;font-size:12px;flex:0 1 auto;background:#1c1925;padding:10px 16px 13px;min-height:0;max-height:160px;overflow:auto}
.studio-audio-title{display:block;margin-bottom:8px;color:#bfb0d2;font-size:12px}
.studio-audio-take :is(.piano-record-bar,.pad-record-bar){border:0;padding:0;gap:8px;flex-wrap:wrap}
.studio-audio-take .piano-record-btn{min-width:110px;min-height:35px;justify-content:center;border-radius:8px;padding:7px 11px}
.studio-audio-take .piano-record-btn.studio-button.recording,.studio-performance .studio-performance-controls>.studio-button.danger{background:#52232f;color:#ffe5ec;border-color:#cf8194}
.studio-audio-take .piano-record-save{gap:7px;min-width:0;flex-wrap:wrap}
.studio-audio-take .piano-record-save input{background:#22202c;border:1px solid #4b425b;border-radius:8px;padding:8px 9px;color:#eee7f5;font:inherit;font-size:12px;min-width:110px;width:160px;max-width:100%}
.studio-audio-take .piano-record-save-btn{background:#a88adb;color:#17111e;border-color:#bba3e3;font-weight:650}
.pad-kit-row{padding:14px 16px 9px;gap:8px;flex-wrap:wrap}
.pad-kit-row label{font-size:12px;color:#b8afc6}
.pad-kit-row select{font-size:14px;min-height:38px;border-radius:9px;background:#24212e;border:1px solid #4b4257}
.pad-sampler-btn{font-size:12px;min-height:35px;border-radius:8px}
.pad-fx-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));padding:8px 16px 6px;gap:16px}
.pad-fx-row>div{min-width:0}
.instrument-resize-handle:focus-visible{outline:2px solid #c6a5ff;outline-offset:-3px;background:#b28be744;border-radius:5px}
.pad-fx-row input[type=range]{width:100%;accent-color:#deb27b}
.pad-fx-row .param-label{font-size:12px}
.pad-grid{flex:1 0 190px;min-height:190px;grid-template-rows:repeat(3,minmax(0,1fr));padding:12px 16px;gap:9px}
.drum-pad{--pad-hue:28;min-height:0;aspect-ratio:auto;background:hsl(var(--pad-hue) 22% 19%)!important;border:1px solid hsl(var(--pad-hue) 27% 39%);border-radius:12px;box-shadow:inset 0 -3px 0 hsl(var(--pad-hue) 24% 13%);transition:background .1s,border-color .1s,transform .1s}
.drum-pad[data-pad="0"]{--pad-hue:28}.drum-pad[data-pad="1"]{--pad-hue:344}.drum-pad[data-pad="2"]{--pad-hue:188}.drum-pad[data-pad="3"]{--pad-hue:209}.drum-pad[data-pad="4"]{--pad-hue:272}.drum-pad[data-pad="5"]{--pad-hue:36}.drum-pad[data-pad="6"]{--pad-hue:157}.drum-pad[data-pad="7"]{--pad-hue:238}.drum-pad[data-pad="8"]{--pad-hue:302}
.drum-pad:hover{background:hsl(var(--pad-hue) 28% 25%)!important;border-color:hsl(var(--pad-hue) 49% 64%)}
.drum-pad.active{background:hsl(var(--pad-hue) 39% 36%)!important;border-color:hsl(var(--pad-hue) 65% 78%);box-shadow:0 0 16px hsl(var(--pad-hue) 65% 65% / .2);transform:translateY(1px)}
.drum-pad.looping{border-color:hsl(var(--pad-hue) 60% 72%);background:hsl(var(--pad-hue) 31% 27%)!important;box-shadow:inset 0 0 0 1px hsl(var(--pad-hue) 60% 72% / .3)}
.drum-pad.looping.active{background:hsl(var(--pad-hue) 39% 36%)!important}
.pad-name{padding:8px 8px 0;font-size:13px;font-weight:600;color:#f2edf4}
.pad-num{font-size:11px;color:hsl(var(--pad-hue) 35% 77%)}
.studio-start-bar{width:72px;min-width:60px}
.studio-take-actions>label[hidden]{display:none}
.pad-edit-btn{width:30px;height:30px;min-width:30px;font-size:16px}
.pad-grid .pad-edit-btn{display:none}
.pad-grid.editing .pad-edit-btn{display:flex;top:50%;left:50%;right:auto;transform:translate(-50%,-50%);width:36px;height:36px;min-width:36px;background:#3d3027;color:#ffdfb6;border:1px solid #a17c52}
.pad-grid.editing .pad-name{opacity:.35}
.pad-footer{border-top:1px solid #302b31;padding:10px 16px;flex:0 0 auto;gap:8px}
.pad-hint-text{font-size:11px;line-height:1.5}
.pad-status{font-size:12px;padding:0 16px;margin:4px 0}
.pad-window #pad-status{min-height:18px;line-height:18px;overflow-wrap:anywhere}
.pad-window #pad-status[hidden]{display:block;visibility:hidden}
.pad-window .studio-performance{background:#221d1a;border-color:#4a392d}
.pad-window .studio-audio-take{background:#221d1a;border-color:#4a392d}
.pad-window .studio-audio-title{color:#d0bca3}
.pad-window .studio-button.primary{background:#deb27b;border-color:#edc897;color:#24190c}
.pad-window .studio-performance-progress{accent-color:#edbd83}
@media(max-width:600px){.piano-window,.pad-window{min-height:0;max-height:calc(100dvh - 24px)}.studio-toolbar,.studio-play-tools{gap:7px;padding:9px 12px}.studio-tone-row{padding-left:12px;padding-right:12px;gap:10px}.studio-field{min-width:95px}.studio-voice-field{min-width:165px}.studio-hint.right{margin-left:0}.piano-keyboard{padding:9px 8px;min-height:120px;grid-template-rows:minmax(120px,1fr)}.piano-key .piano-note-label{font-size:var(--vd-fs-2xs,.6875rem)}.piano-key.root-note:after{bottom:45px}.studio-performance{padding:10px 12px}.pad-grid{padding:10px 12px;min-height:215px}}
@media(prefers-reduced-motion:reduce){.studio-button,.piano-key,.drum-pad{transition:none}}
@media(max-width:600px){.piano-window{width:calc(100vw - 24px)}}
.studio-take-editor{margin-top:8px;border-top:1px solid #4c3b58;font-size:12px}
.studio-follow-key{display:flex;align-items:center;gap:6px;font-size:12px;color:#c5b6d4;min-height:32px}.studio-follow-key input{accent-color:#b18bdc;width:16px;height:16px}
.studio-take-editor summary{cursor:pointer;color:#c9b5e2;padding:10px 0;font-size:13px}
.studio-edit-tools{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:9px}
.studio-edit-tools .studio-button{font-size:12px;padding:6px 8px;min-height:32px}
.studio-take-roll{height:100px;position:relative;overflow:hidden;border:1px solid #584663;border-radius:8px;background:repeating-linear-gradient(to right,transparent 0,transparent calc(100% / var(--bars) - 1px),#66507255 calc(100% / var(--bars) - 1px),#66507255 calc(100% / var(--bars))),#17121e}
.studio-take-note{position:absolute;min-width:6px;min-height:4px;padding:0;border:0;border-radius:3px;background:#b792e0;cursor:pointer}
.studio-take-note[aria-pressed=true]{background:#eed8ff;outline:1px solid #fff;z-index:1}
.pad-window .studio-take-note{background:#e5b77c}.pad-window .studio-take-note[aria-pressed=true]{background:#ffe1b7}
.studio-event-form{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin:10px 0 3px;align-items:end}
.studio-event-form .studio-field{min-width:0;font-size:11px}
.studio-event-form select,.studio-event-form input{min-width:0;max-width:100%;width:100%;min-height:34px;background:#251c2e;color:#eee1fa;border:1px solid #60516b;border-radius:7px;padding:7px 8px;font:inherit;font-size:12px}
.studio-event-form .studio-field:first-child{grid-column:1 / -1}
.studio-event-form .studio-button{font-size:12px}
.pad-window .studio-event-form{grid-template-columns:repeat(2,minmax(0,1fr))}
.studio-take-editor[hidden]{display:none}
.studio-midi{margin:0 16px 12px;border-top:1px solid #38303f;font-size:12px}.studio-midi summary{padding:9px 0;cursor:pointer;color:#baaccb}.studio-midi-row{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin-bottom:7px}.studio-midi label{display:flex;align-items:center;gap:6px;color:#c9bcd6}.studio-midi .studio-select{font-size:12px;min-height:34px;padding:6px 8px}.studio-midi .studio-hint{overflow-wrap:anywhere}
/* Root can append to existing Studio stylesheet if integrating the candidate. */
.studio-midi label{min-width:0;max-width:100%}
.studio-midi .studio-midi-device{min-width:0;max-width:220px;flex:1 1 auto;text-overflow:ellipsis}
/* Audio preparation is a cancellable, modal task with a real WAV result. */
.arr-audio-progress{box-sizing:border-box;max-width:min(420px,calc(100vw - 32px));border:1px solid #6f598d;border-radius:22px;padding:28px;background:#25212f;color:#f7f2ff;font-family:Inter,system-ui,sans-serif;text-align:center;box-shadow:0 20px 80px #0008}
.arr-audio-progress::backdrop{background:#100d19aa;backdrop-filter:blur(3px)}
.arr-audio-progress h2{font-size:20px;margin:12px 0}
.arr-audio-progress p{font-size:14px;line-height:1.5;color:#e4d9f4}
.arr-audio-progress .arr-audio-icon{font-size:32px;color:#c5a7fb}
.arr-audio-progress progress{display:block;width:100%;height:8px;margin:20px 0;accent-color:#ae8aee}
.arr-audio-progress .arr-audio-detail{font-size:12px;color:#c7b5df}
.arr-audio-progress button{min-height:44px;border:1px solid #89749f;border-radius:10px;background:#40344f;color:#fff;font:inherit;padding:9px 24px;cursor:pointer}
.arr-audio-progress button:hover{background:#514061;border-color:#baa4d2}
.arr-audio-progress button:focus-visible{outline:3px solid #c8a7ff;outline-offset:4px}