@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&family=Noto+Sans+Thai:wght@400;500;600;700&display=swap');
:root{--paper:#f4f2eb;--card:#fcfbf7;--ink:#242e27;--muted:#626b5f;--orange:#bd4827;--line:#d8ddcf;--sage:#e7eddb;--stage:#202e27;--radius:16px}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-padding-top:20px;overscroll-behavior-x:none}
body{margin:0;background:var(--paper);color:var(--ink);font:14px/1.6 'DM Sans','Noto Sans Thai',sans-serif;overscroll-behavior-y:contain}
button,input,select{font:inherit;color:inherit}
button,a,input,select,summary{-webkit-tap-highlight-color:transparent}
button,a,input[type=range],select,summary{touch-action:manipulation}
button,summary{cursor:pointer}
button{min-height:44px}
button:disabled,select:disabled,input:disabled{cursor:default;opacity:.5}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,.pad:focus-visible,#takePanel:focus-visible{outline:3px solid var(--orange);outline-offset:4px}
a{color:#4e653b;text-underline-offset:3px}
h1,h2,p{margin:0}
header{max-width:1280px;margin:auto;min-height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 40px;border-bottom:1px solid var(--line)}
.brand{font:800 24px 'Manrope',sans-serif;letter-spacing:-1px;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:9px}
.brand-icon{font-size:40px;color:var(--orange);line-height:1}
.brand-dot{font-size:10px;align-self:flex-start;margin-top:8px}
.header-note{font-size:10px;letter-spacing:1.5px;color:var(--muted)}
.quiet{background:none;border:0;padding:8px 0 8px 12px;font-size:13px}
.quiet span{margin-left:8px}
main{max-width:1200px;margin:auto;padding:0 32px}
.intro{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 0}
.eyebrow{font-size:10px;font-weight:700;letter-spacing:1.6px;color:var(--muted)}
h1{font:600 clamp(24px,3vw,36px)/1.5 'Noto Sans Thai',sans-serif;letter-spacing:-.8px;margin:4px 0}
h1 em{font-style:normal;color:var(--orange)}
.intro p{color:var(--muted);font-size:13px}
.intro-note{color:var(--orange);font:72px Georgia;transform:rotate(12deg);padding-right:20px}
.studio{display:grid;grid-template-columns:320px minmax(0,1fr);grid-template-areas:'source play' 'backing play' 'tuning play';gap:14px 24px;align-items:start}
.controls{display:contents}
.control-section{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.source-section{grid-area:source}
.backing-section{grid-area:backing}
.tuning-section{grid-area:tuning}
.section-title,.play-heading h2,.take-panel h2{font-size:15px;font-weight:600;display:flex;align-items:center;gap:9px}
.step-number{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;background:#e7ebdf;color:#4f6040;font:600 12px 'Manrope',sans-serif;flex-shrink:0}
.sound-mode{display:flex;gap:4px;background:#ecefe5;border-radius:10px;padding:4px;margin:14px 0}
.sound-mode button{flex:1;border:0;border-radius:7px;padding:8px;background:transparent;color:var(--muted);font-size:13px}
.sound-mode button[aria-pressed=true]{background:var(--card);color:var(--ink);box-shadow:0 1px 5px #24312016;font-weight:600}
.word-style{display:grid;grid-template-columns:minmax(0,1fr) 128px;gap:10px}
.word-style label{display:block;font-size:12px;margin-bottom:5px;color:var(--muted)}
.word-input{height:48px;display:flex;align-items:center;gap:5px;padding:0 12px;border:1px solid #b7c0ac;border-radius:8px;background:white}
.word-input:focus-within{outline:2px solid var(--orange);outline-offset:2px}
.word-input input{width:100%;min-width:0;background:none;border:0;outline:0;font-size:22px;font-weight:500}
.word-input>span{color:#7c8674;font-size:13px}
.voice-style-label select{width:100%;height:48px;background:white;border:1px solid #b7c0ac;border-radius:8px;font-size:14px;padding:0 7px;display:block;margin-top:5px}
.chips{display:flex;gap:6px;margin:8px 0 12px;flex-wrap:wrap}
.chip{border:1px solid var(--line);background:none;border-radius:24px;padding:5px 12px;font-size:12px}
.chip.selected{background:var(--sage);border-color:#95a67b}
.generate-btn{width:100%;display:flex;align-items:center;justify-content:space-between;gap:9px;background:var(--orange);color:white;border:0;border-radius:9px;padding:12px;font-size:14px;font-weight:500}
.generate-btn span:nth-child(2){flex:1;text-align:left}
.generate-btn[aria-busy=true]>span:first-child{display:inline-block;animation:spin 1.5s linear infinite}
.source-feedback{padding-top:10px}
.state-badge{font-size:12px;font-weight:600;color:#60694e}
.source-section[data-state=ready] .state-badge{color:#3d6135}
.source-section[data-state=error] .state-badge{color:#a53322}
.source-section[data-state=error] .source-feedback{border-left:3px solid var(--orange);padding-left:9px}
.small-note,.field-help,.voice-credit{font-size:12px;line-height:1.7;color:var(--muted)}
.small-note{margin-top:3px}
.voice-preview{background:none;border:0;color:#496436;padding:8px 0;font-size:13px;text-decoration:underline;text-underline-offset:4px}
.voice-extras{margin-top:10px;border-top:1px solid var(--line)}
.voice-extras summary{font-size:12px;color:var(--muted);padding:10px 0;min-height:44px}
.extras-body{padding:0 0 4px}
.mic-btn{width:100%;display:flex;align-items:center;gap:8px;background:none;border:1px dashed #9ea98e;border-radius:8px;padding:10px;font-size:12px}
.mic-btn span:nth-child(2){flex:1;text-align:left}
.mic-btn.capturing{border-color:var(--orange);background:#f8e6de;color:var(--orange)}
.voice-credit{margin-top:10px}
.instrument-intro{font-size:12px;color:var(--muted);margin-bottom:9px}
#instrumentChoices{display:grid;gap:8px}
.instrument-choice{position:relative;border:1px solid var(--line);border-radius:9px;background:white;text-align:left;padding:10px 14px}
.instrument-choice strong{display:block;font-size:14px}
.instrument-choice small{display:block;color:var(--muted);font-size:12px;margin-top:2px}
.instrument-choice[aria-pressed=true]{background:var(--sage);border-color:#8b9d70}
.instrument-choice[aria-pressed=true]:after{content:'✓';position:absolute;right:13px;top:12px;color:#496735}
.instrument-start{margin-top:12px;justify-content:center}#instrumentControls>.small-note{margin-top:10px}
.control-section>summary{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:48px;list-style:none}
.control-section>summary::-webkit-details-marker{display:none}
.control-section>summary strong{font-size:14px;font-weight:600;display:block}
.control-section>summary small{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.disclosure-label{font-size:12px;color:#4d623c;white-space:nowrap}
.disclosure-label:after{content:' ＋';font-size:15px}
details[open]>.disclosure-label:after,details[open]>summary .disclosure-label:after{content:' −'}
.disclosure-body{border-top:1px solid var(--line);padding-top:14px;margin-top:12px}
.field-help{margin-bottom:10px}
.tracks{display:grid;gap:7px;max-height:360px;overflow:auto;scrollbar-width:thin;padding:3px}
.track{display:flex;align-items:center;gap:10px;text-align:left;background:white;border:1px solid var(--line);border-radius:9px;padding:10px;min-width:0}
.track.active{border-color:#819466;background:var(--sage)}
.track-art{width:38px;height:38px;display:grid;place-items:center;border-radius:7px;font-size:26px;flex-shrink:0}
.sunset{background:#e9c7ae;color:#874e37}.sage{background:#c2cead;color:#526244}.lilac{background:#cec4d8;color:#6d577d}.sand{background:#ddcfb3;color:#8a7650}.rose{background:#ddbbc7;color:#8a4e64}.gold{background:#e2cf8f;color:#8f6f22}.blue{background:#bbcddc;color:#466783}.mint{background:#bcd6c4;color:#42735b}
.track strong{font-size:13px;display:block;font-weight:600}
.track small{font-size:11px;display:block;color:var(--muted);margin-top:2px}
.track-end{margin-left:auto;text-align:right}
.track-end b{font-size:13px}
.track-end small{font-size:9px}
.key-controls{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}
.key-controls label{font-size:12px;color:var(--muted)}
.key-controls select{font:14px 'DM Sans','Noto Sans Thai',sans-serif;display:block;width:100%;min-height:44px;padding:5px;margin-top:5px;border:1px solid #b7c0ac;border-radius:7px;background:white}
.range-row{display:flex;align-items:center;justify-content:space-between;margin-top:12px;gap:8px}
.range-row button{border:1px solid var(--line);background:var(--sage);border-radius:7px;font-size:12px;padding:6px 10px}
.range-row span{font-size:12px;color:var(--muted)}
.settings{border-top:1px solid var(--line);margin-top:16px;padding-top:14px;display:grid;gap:16px}
.setting-row{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;min-height:44px}
.setting-row label small{display:block;font-size:11px;color:var(--muted);margin-top:2px}
.setting-row input[type=checkbox]{appearance:none;width:48px;height:44px;border:0;flex-shrink:0;background:transparent;position:relative;cursor:pointer;margin:0}
.setting-row input[type=checkbox]:before{content:"";position:absolute;inset:8px 0;border-radius:20px;background:#bbc2b0}
.setting-row input[type=checkbox]:after{content:'';position:absolute;width:22px;height:22px;top:11px;left:3px;border-radius:50%;background:white;transition:transform .15s}
.setting-row input:checked:before{background:#61784b}
.setting-row input:checked:after{transform:translateX(20px)}
.volume input{width:110px;accent-color:#61784b;height:44px;margin:0}
.instrument{grid-area:play;background:var(--stage);border-radius:var(--radius);overflow:hidden;box-shadow:0 10px 30px #23372210;min-width:0;align-self:start;position:sticky;top:16px;display:flex;flex-direction:column;color:#e9efdf}
.play-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 20px 0}
.play-heading h2{font-size:14px}
.play-heading .step-number{background:#394b38;color:#d5e2be}
.pad-setup{background:#dfebcb;border:0;border-radius:7px;font-size:12px;color:#263d22;padding:8px 12px}
.pad-top{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 22px 0;font-size:11px;color:#bdccb1}
.pad-top>span:first-child{display:flex;align-items:center;gap:7px}
.pad-top i{width:6px;height:6px;border-radius:50%;background:#bdb7a3;flex-shrink:0}
.instrument[data-state=ready] .pad-top i{background:#cae5a2}
.instrument[data-state=error] .pad-top i{background:#f3a188}
.pad-top b{display:none}
#keyBadge{font-size:10px;white-space:nowrap;border:1px solid #8b9f7444;padding:3px 6px;border-radius:5px}
.pad{position:relative;height:clamp(270px,38vh,400px);min-height:270px;touch-action:none;user-select:none;cursor:crosshair;background:radial-gradient(ellipse at 50% 65%,#607f443b,transparent 70%);overflow:hidden;margin-top:12px}
.pad:after{content:'';pointer-events:none;position:absolute;inset:0;background:repeating-linear-gradient(to right,transparent 0,transparent calc(16.66% - 1px),#c4d4b506 calc(16.66% - 1px),#c4d4b506 16.66%)}
canvas{position:absolute;width:100%;height:100%;inset:0}
.pitch-labels{position:absolute;left:20px;right:20px;top:10px;bottom:10px;pointer-events:none}
.scale-note{position:absolute;left:0;right:0;transform:translateY(-50%);font-size:9px;color:#9fad946b;transition:color .08s}
.scale-note:after{content:'';position:absolute;left:28px;right:0;top:50%;border-top:1px solid #c4d4b50c}
.scale-note.tonic{color:#b5c69ba0}.scale-note.tonic:after{border-color:#c4d4b529}.scale-note.current{color:#e1efb2}.scale-note.current:after{border-color:#d1e6a773}
.pad-center{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;pointer-events:none;padding:0 32px 20px;text-align:center}
.pad-hint{font-size:12px;color:#b4c6a2}
#padWord{font:500 clamp(36px,5vw,68px)/1.7 'Noto Sans Thai',sans-serif;color:#edf3df;max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pad-center p{font-size:15px;color:#dde8cf;margin:4px 0 12px}
.gesture{font-size:12px;color:#c0d1a8}
.gesture i{font-style:normal;margin:0 6px;color:#8fa27c}
.pad-foot{position:absolute;bottom:13px;left:20px;right:20px;text-align:center;font-size:11px;color:#adbd9e;pointer-events:none}
.note{display:none}
.snap-readout{position:absolute;right:18px;top:8px;display:flex;align-items:flex-end;flex-direction:column;gap:1px;pointer-events:none;background:#202e27b3;padding:3px 6px;border-radius:5px}
.snap-readout strong{font:500 26px 'Manrope',sans-serif;color:#dcecc4}
.snap-readout span{font-size:9px;color:#b3c79b}
.cursor{display:none;position:absolute;pointer-events:none;width:48px;height:48px;border-radius:50%;border:1px solid #c5dd9f;box-shadow:0 0 65px #bfdc7f55;transform:translate(-50%,-50%);background:#bad58b15}
.cursor span{position:absolute;inset:18px;border-radius:50%;background:#daefb7}
.pad.singing .cursor{display:block}.pad.singing .pad-center{opacity:.35}
.pad[aria-disabled=true]{cursor:default}
.pad[aria-disabled=true] .pitch-labels,.pad[aria-disabled=true] .snap-readout{opacity:.35}
.transport{border-top:1px solid #c4d4b524;margin:0 20px;padding:16px 0 10px;display:flex;align-items:center;gap:12px}
.play{border:0;background:#d4e3bb;color:#24391e;padding:9px 12px;border-radius:8px;font-size:13px;white-space:nowrap;flex-shrink:0}
.now-playing{min-width:0}
.now-playing strong{font-size:13px;color:#edf1e6;display:block;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.now-playing>span{font-size:11px;color:#b4c4a8;display:flex;align-items:center;gap:5px;margin-top:3px}
.separator{opacity:.6}
#beatDot{width:5px;height:5px;background:#a5bf87;border-radius:50%;flex-shrink:0}
.mini-wave{display:flex;gap:3px;align-items:center;margin-left:auto;height:25px}
.mini-wave i{width:2px;height:8px;background:#94a87a}.mini-wave i:nth-child(2n){height:17px}.mini-wave i:nth-child(3n){height:23px}
body.playing .mini-wave i{animation:bounce .65s ease-in-out infinite alternate}body.playing .mini-wave i:nth-child(2n){animation-delay:-.4s}
.record{margin-left:auto;border:1px solid #b9c5a85c;background:#304232;color:#e9efdf;display:flex;align-items:center;gap:8px;padding:9px 12px;border-radius:8px;white-space:nowrap;flex-shrink:0}
.record>span{width:8px;height:8px;background:#f1825d;border-radius:50%}
.record b{font-size:13px;font-weight:500}
.record.recording{background:#a23e25;border-color:#e29375;color:white}
.record.recording>span{background:white;animation:bounce .6s infinite alternate}
.record-note{font-size:11px;color:#b1c2a3;text-align:center;padding:0 18px 14px}
.bottom-line{font-size:12px;color:var(--muted);text-align:center;padding:22px 0}
.take-panel{margin:0 0 24px;padding:22px;background:var(--sage);border:1px solid #b5c39d;display:flex;align-items:center;gap:14px;border-radius:var(--radius);flex-wrap:wrap;scroll-margin-top:24px}
.take-panel>div{width:100%}.take-panel p{font-size:13px;color:var(--muted);margin-top:6px}
audio{height:44px;flex:1;min-width:180px}
.download{color:#3e5c2d;font-size:13px;display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 14px;border:1px solid #a6b792;border-radius:8px;background:#f8fbf1;text-decoration:none}
footer{max-width:1280px;margin:20px auto 0;border-top:1px solid var(--line);padding:24px 40px;display:flex;justify-content:space-between;color:var(--muted);font-size:9px;letter-spacing:1px}
dialog{border:0;border-radius:16px;background:var(--paper);max-width:500px;max-height:90dvh;padding:30px;color:var(--ink);line-height:1.9}
dialog::backdrop{background:#14251dc2;backdrop-filter:blur(7px)}
dialog h2{font-size:25px;margin:10px 0}
dialog p{font-size:14px;margin:12px 0}
.close{position:absolute;right:10px;top:5px;border:0;background:none;font-size:26px;width:44px}
#toast{position:fixed;bottom:max(20px,env(safe-area-inset-bottom));left:50%;transform:translate(-50%,20px);max-width:calc(100vw - 32px);width:max-content;background:#293c2b;color:#f1f6e9;font-size:13px;line-height:1.6;padding:12px 18px;border:1px solid #8ca574;border-radius:10px;opacity:0;pointer-events:none;transition:.2s;z-index:20}
#toast.show{opacity:1;transform:translate(-50%,0)}
.score-dialog{max-width:940px;width:95vw;padding:0;overflow:auto;background:white}
.score-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;position:sticky;top:0;z-index:1;background:#f0f1e9;border-bottom:1px solid var(--line);padding:12px 16px}
.score-toolbar strong{font-size:10px;letter-spacing:1px}.score-toolbar>div{display:flex;gap:8px}.score-toolbar button{background:white;border:1px solid #b6c0aa;font-size:12px;padding:8px 12px;border-radius:7px}.score-toolbar #closeScore{font-size:22px;line-height:1;width:44px}
#scorePaper{padding:30px 20px;color:#171c18}#scoreTitle{margin:0;font:500 30px 'Noto Sans Thai',sans-serif;text-align:center}#scoreMeta{font-size:12px;text-align:center;margin:12px 0 5px}.score-system{break-inside:avoid;min-width:760px}.score-system svg{display:block;max-width:100%;height:auto}#scorePages{overflow-x:auto}.score-credit{font-size:11px;color:var(--muted);text-align:center}
/* Preserve native editing where needed; keep long-press selection off the instrument. */
body,body *{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
input,textarea,[contenteditable=true],[contenteditable=true] *,#helpDialog,#helpDialog *,#scorePaper,#scorePaper *{-webkit-user-select:text;user-select:text;-webkit-touch-callout:default}
.pad,.pad *{touch-action:none;-webkit-user-drag:none}
@keyframes bounce{to{transform:scaleY(.3)}}@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:1000px){.studio{grid-template-columns:290px minmax(0,1fr);gap:14px 18px}.mini-wave{display:none}.transport{gap:9px;margin:0 16px}.play,.record{padding:9px 10px}.now-playing strong{font-size:12px}.now-playing>span{font-size:10px}.now-playing .separator,#transportKey{display:none}}
@media(max-width:720px){
 header{min-height:62px;padding:0 18px}.brand{font-size:21px}.brand-icon{font-size:34px}.header-note{display:none}main{padding:0 16px}
 .intro{padding:17px 0 20px;gap:8px}.intro h1{font-size:24px;letter-spacing:-.7px}.intro p{font-size:12px}.eyebrow{font-size:8px;letter-spacing:1.2px}.intro-note{font-size:52px;padding-right:4px}
 .studio{display:flex;flex-direction:column;gap:14px}.studio>*,.controls>*{width:100%}.controls{display:contents}
 .source-section{order:0;padding:14px}.instrument{order:1;position:static}.backing-section{order:2}.tuning-section{order:3}.control-section{border-radius:12px}.section-title{font-size:14px}
 .sound-mode{margin:10px 0}.word-style{grid-template-columns:minmax(0,1fr) 138px}.voice-style-label select{font-size:16px}.word-input input{font-size:22px}.chips{margin:4px 0 8px;gap:6px}.chip{padding:4px 14px}
 .source-feedback{padding-top:8px}.small-note{font-size:12px}.voice-extras{margin-top:5px}.voice-extras summary{padding:7px 0}.play-heading{padding:12px 16px 0}.pad-top{padding:10px 16px 0}
 .pad{height:320px;min-height:280px;margin-top:8px}.pad-center{padding:0 24px 12px}#padWord{font-size:46px}.pad-center p{font-size:14px}.snap-readout strong{font-size:24px}.pad-foot{font-size:10px;left:12px;right:12px}
 .transport{margin:0 14px;padding:12px 0 9px;gap:10px;flex-wrap:wrap}.play{font-size:13px}.record b{font-size:13px}.now-playing{flex:1}.now-playing strong{font-size:12px}.now-playing>span{font-size:10px}.record-note{padding-bottom:12px;font-size:11px}
 .tracks{max-height:340px}.key-controls select{font-size:16px}.volume input{width:150px}.bottom-line{font-size:12px;line-height:1.8;padding:18px 8px}
 .take-panel{padding:16px;gap:10px}.take-panel audio{width:100%;flex-basis:100%}.take-panel .download{flex:1}.take-panel p{font-size:12px}
 footer{margin-top:8px;padding:20px 16px;font-size:8px}footer>span:last-child{display:none}.score-toolbar{flex-direction:column;align-items:start}.score-toolbar>div{width:100%;justify-content:space-between;gap:5px}.score-toolbar button{font-size:11px;padding:8px}#scorePaper{padding:24px 10px}
}
@media(max-width:360px){.intro h1{font-size:21px}.intro-note{display:none}.word-style{grid-template-columns:minmax(0,1fr) 125px}.now-playing{flex-basis:100%;order:2;display:flex;align-items:center;justify-content:space-between}.now-playing>span{margin:0}.record{margin-left:auto}#padWord{font-size:38px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}
@media print{
 @page{size:A4 portrait;margin:12mm}html,body{background:white!important;margin:0!important;padding:0!important;height:auto!important;overflow:visible!important}body>*:not(#scoreDialog){display:none!important}#scoreDialog{display:block!important;position:static!important;inset:auto!important;width:100%!important;max-width:none!important;max-height:none!important;height:auto!important;border:0!important;padding:0!important;margin:0!important;overflow:visible!important;box-shadow:none!important}#scoreDialog::backdrop{display:none!important}.score-toolbar{display:none!important}#scorePaper{padding:0!important}#scorePages{overflow:visible!important}.score-system{min-width:0!important;break-inside:avoid!important}.score-system svg{width:100%!important;height:auto!important}.score-credit{font-size:8px}
}