:root{color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:#0e120f;font:13px/1.45 -apple-system,BlinkMacSystemFont,system-ui,sans-serif;color:#eef2eb}.app{max-width:410px;margin:0 auto;min-height:100vh;padding:15px 13px 35px;background:#111613;border-left:1px solid #465b4a;border-right:1px solid #465b4a}button,select,input{font:inherit;min-width:0}button,select,input[type=text]{border:1px solid #465b4a;border-radius:8px;min-height:40px;padding:8px;background:#1e2921;color:#eef2eb}button{cursor:pointer}button.active,button.primary{background:#c4d8b8;color:#142017;border-color:#c4d8b8;font-weight:750}button:disabled{opacity:.45}button:focus-visible,select:focus-visible,input:focus-visible{outline:2px solid #eabd73;outline-offset:2px}.row{display:flex;gap:7px;align-items:center}.between{justify-content:space-between}.grow{flex:1;min-width:0}.tiny{font-size:11px;line-height:1.5;color:#bfccbd}.head{font-size:20px;font-weight:750}.section{font-size:12px;font-weight:750;margin:15px 0 8px}.panel{background:#1e2921;border:1px solid #465b4a;border-radius:11px;padding:11px}.mini{font-size:11px;min-height:32px;padding:5px 7px}.two{display:grid;grid-template-columns:1fr 1fr;gap:7px}.three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.stat{padding:8px 5px;text-align:center;background:#2b392e;border-radius:9px}.stat strong{font-size:19px;display:block}.stat .row{justify-content:center}label{display:block;color:#c1cfbd;font-size:11px;margin-bottom:4px}select{width:100%}input[type=range]{accent-color:#c4d8b8;width:100%}.groups{display:flex;flex-wrap:wrap;gap:5px}.group{display:flex;gap:3px;align-items:center;border:1px solid #718774;border-radius:8px;padding:3px}.group button{padding:3px 7px;min-height:30px}.group strong{min-width:19px;text-align:center}.scroll{overflow:auto;overscroll-behavior-x:contain;padding-bottom:8px}.heads,.steps{display:flex;width:max-content;gap:3px}.heads span{width:31px;text-align:center;font-size:10px;color:#bbccba}.steps button{min-width:31px;width:31px;height:34px;min-height:34px;padding:0;border-radius:5px;background:#29382e;color:#9cae9c}.steps button.on{background:#c4d8b8;color:#142017}.steps button.grp{box-shadow:inset 3px 0 #eabd73}.steps button.now{outline:3px solid #f2bd5f;outline-offset:-2px}.trackhead{display:flex;align-items:center;justify-content:space-between;gap:8px;max-width:355px;min-width:280px}.trackvolume{display:flex;align-items:center;gap:5px;margin:5px 0;font-size:10px;white-space:nowrap}.trackvolume input{width:100px;min-height:28px}.trackvolume output{width:48px;text-align:right}.track{font-size:11px;font-weight:750;margin:9px 0 5px}.pads{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}.pads button{font-size:11px;min-height:54px;touch-action:manipulation}.saved{display:flex;gap:6px;align-items:center;border-bottom:1px solid #455a49;padding:6px 0}.saved:last-child{border:0}.overlay{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:#000b;z-index:50;padding:15px}.dialog{background:#1e2921;border:1px solid #839985;border-radius:15px;padding:16px;max-width:360px;width:100%}.foot{display:flex;justify-content:space-around;border-top:1px solid #465b4a;margin-top:16px;padding-top:11px;color:#bbccba;font-size:11px}.kitstatus{color:#c4d8b8;font-size:11px}.notice{font-size:11px;color:#bbcaba}
details.grouping{margin-top:15px}details.grouping summary{cursor:pointer;min-height:36px;font-size:12px;font-weight:750;padding:6px 0}details.grouping summary .tiny{float:right}details.grouping summary:focus-visible{outline:2px solid #eabd73}.boot{font-size:10px;color:#bfccbd;margin-top:5px}
/* Safari iPhone: preserve the v4 layout and give gestures room. */
body{-webkit-text-size-adjust:100%}
.app{padding-top:max(15px,env(safe-area-inset-top));padding-bottom:max(35px,env(safe-area-inset-bottom))}
button,select,summary{touch-action:manipulation}
input[type=range]{min-height:36px;touch-action:pan-y}
.trackvolume input{min-height:36px;touch-action:pan-y}
.scroll{-webkit-overflow-scrolling:touch}
.pads button{touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
.overlay{padding-top:max(15px,env(safe-area-inset-top));padding-bottom:max(15px,env(safe-area-inset-bottom));overflow-y:auto}
.dialog{max-height:100%;overflow:auto}
#savename{font-size:16px}
@media(max-width:480px){
 .pulse-summary{grid-template-columns:1fr 1.15fr 1fr;gap:6px}
 .pulse-summary .stat{display:grid;grid-template-columns:1fr auto;align-items:center;gap:2px 4px;padding:5px}
 .pulse-summary label{grid-column:1/-1;margin:0;font-size:10px}
 .pulse-summary strong{font-size:17px;line-height:1.2}
 .pulse-summary .mini{min-height:36px;padding:4px 5px}
 .pulse-summary .row{grid-column:1/-1;gap:4px}
 .pulse-summary .row button{min-width:28px}
 .pulse-summary .row strong{min-width:28px}
}
@media(pointer:coarse){
 button,select{min-height:44px}
 .mini,.group button{min-height:38px}
 .steps button{min-width:38px;width:38px;height:40px;min-height:40px}
 .heads span{width:38px;flex-shrink:0}
 .trackvolume input{width:105px;min-height:40px}
 input[type=range]{min-height:40px}
 details.grouping summary{min-height:44px;padding:10px 0}
}

.barlabels{display:none}
.headbar,.stepbar{display:flex;gap:3px}
/* Use the phone's landscape width while keeping the notch clear. */
@media (orientation:landscape) and (pointer:coarse) and (min-width:568px) and (max-height:500px){
 .app{max-width:100%;padding-left:max(13px,env(safe-area-inset-left));padding-right:max(13px,env(safe-area-inset-right))}
 .heads,.steps,.barlabels{display:grid;grid-template-columns:var(--bar-columns,repeat(var(--visible-bars),minmax(0,1fr)));gap:12px;width:100%;min-width:var(--sequence-min-width)}
 .barlabels{margin-bottom:4px;color:#c4d8b8;font-size:11px;font-weight:750}
 .headbar,.stepbar{display:grid;grid-template-columns:repeat(var(--steps-per-bar),minmax(38px,1fr));gap:3px;min-width:0}
 .heads span{width:auto;min-width:38px}
 .steps button{width:100%;min-width:38px;min-height:44px;height:44px}
 .trackhead{max-width:100%}
}

/* 4.1: the existing structure, in the restrained Sem Forma visual language. */
:root{--page:#101211;--base:#141715;--panel:#1d211e;--raised:#292e2a;--text:#f0eee7;--muted:#b8c0b7;--accent:#b9cda8;--gold:#e6bd7a}
body{background:var(--page);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue",sans-serif;font-size:13px;letter-spacing:.01em}
.app{background:var(--base);border:0}.head{font-size:24px;font-weight:550;letter-spacing:-.04em}.section{font-size:13px;font-weight:600;letter-spacing:-.01em;margin-top:20px}
button,select,input[type=text]{border:0;background:var(--raised);color:var(--text);border-radius:10px;font-weight:450}button{transition:background .15s,transform .12s,color .15s}button:disabled{opacity:.38}
button.active,button.primary{background:var(--accent);color:#172015;font-weight:600}
.panel,.dialog{border:0;background:var(--panel);border-radius:14px}.stat{background:var(--panel);border-radius:12px}.stat strong{font-weight:550}.tiny,label,.help,.kitstatus{color:var(--muted)}
.help{font-size:11px;line-height:1.65;margin:7px 0 12px}.help strong{color:var(--text);font-weight:600}.help:empty{display:none}label{font-weight:500}
.group{border:0;background:var(--raised);border-radius:10px}.group button{background:#363d37}.saved{border:0;padding:8px 0}.saved+.saved{margin-top:4px}
.foot{border:0;color:var(--muted)}.header-tools{display:flex;flex-direction:column;align-items:flex-end;gap:7px}.info-button{border-radius:50%;width:44px;height:44px;padding:0;font-size:19px;font-family:Georgia,serif;font-style:italic;color:var(--accent)}
.sequence-track{background:#111512;border:0;border-radius:12px;padding:9px 8px;margin-top:10px;width:max-content;min-width:100%}.trackhead{max-width:100%}.track{font-size:12px;font-weight:550}.trackvolume{color:var(--muted);margin:3px 0 7px}.steps button{border:0;background:#2b322c;color:#a8b4a7;border-radius:6px}.steps button.on{background:var(--accent);color:#172015}.steps button.grp{box-shadow:inset 3px 0 var(--gold)}.steps button.now{outline-color:var(--gold)}
.heads,.barlabels{margin-left:8px;margin-right:8px}.sequence-tools{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.bar-control{display:flex;align-items:center;background:var(--raised);border-radius:10px;overflow:hidden;gap:0}.bar-control button{min-width:38px;padding:5px;font-size:17px;border-radius:0}.bar-control output{font-size:11px;min-width:73px;text-align:center}.sequence-tools>.mini{flex:1;min-width:55px}
#play{display:flex;align-items:center;justify-content:center;gap:8px;min-height:44px}#play.active{background:var(--gold);color:#201a10}#play:active,#stop:active{background:var(--gold);color:#201a10;transform:scale(.96)}
.play-wave{display:none;align-items:center;gap:2px;height:19px}#play.active .play-wave{display:flex}.play-wave i{display:block;width:3px;height:14px;border-radius:2px;background:currentColor;animation:playing-wave .85s ease-in-out infinite alternate;transform-origin:center}.play-wave i:nth-child(2){animation-delay:-.45s}.play-wave i:nth-child(3){animation-delay:-.2s}.play-wave i:nth-child(4){animation-delay:-.65s}.play-wave i:nth-child(5){animation-delay:-.3s}@keyframes playing-wave{from{transform:scaleY(.3)}to{transform:scaleY(1)}}
#guide{width:min(620px,calc(100% - 24px));max-height:calc(100dvh - 24px);padding:0;border:0;border-radius:18px;background:var(--panel);color:var(--text);overflow:hidden}#guide::backdrop{background:#000b}.guide-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 18px 12px}.guide-top h1{font-size:21px;font-weight:550;letter-spacing:-.03em;margin:2px 0}.guide-top button{font-size:22px;min-width:44px;min-height:44px}.guide-body{max-height:calc(100dvh - 125px);overflow:auto;overscroll-behavior:contain;padding:0 18px 24px;-webkit-overflow-scrolling:touch}.guide-body p{font-size:13px;line-height:1.8;color:#d7dcd2}.guide-body section{padding-top:18px;scroll-margin-top:14px}.guide-body h2{font-size:18px;font-weight:550;letter-spacing:-.025em;margin:4px 0 10px}.guide-body a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}.guide-index{display:grid;gap:4px}.guide-index a{padding:8px 10px;min-height:44px;background:var(--raised);border-radius:9px;text-decoration:none;font-size:12px}a:focus-visible{outline:2px solid var(--gold);outline-offset:3px}.guide-destination{outline:2px solid var(--gold)!important;outline-offset:4px;scroll-margin-block:35px}
@media(orientation:landscape) and (pointer:coarse) and (min-width:568px) and (max-height:500px){.sequence-track{width:100%;min-width:calc(var(--sequence-min-width) + 16px)}.heads,.barlabels{width:calc(100% - 16px)}.steps{width:100%}}
@media(prefers-reduced-motion:reduce){button{transition:none}.play-wave i{animation:none}.play-wave i:nth-child(even){transform:scaleY(.5)}}

.label-help{display:flex;align-items:center;justify-content:space-between;gap:6px;margin-top:5px;min-height:32px}.label-help label{margin:0}.field-info{flex-shrink:0;width:30px;min-width:30px;height:30px;min-height:30px;padding:0;border-radius:50%;font:italic 14px Georgia,serif;background:#343b35;color:var(--accent)}.group-help-row{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:10px}.info-button{display:grid;place-items:center}.control-help{width:min(420px,calc(100% - 32px));max-height:calc(100dvh - 32px);border:0;border-radius:16px;padding:0;background:var(--panel);color:var(--text);overflow:auto}.control-help::backdrop{background:#000b}.control-help h2{font-size:18px;font-weight:550;line-height:1.3;margin:0}.control-help-body{padding:0 18px 18px;font-size:13px;line-height:1.8;color:#d7dcd2}.control-help-body .help{font-size:13px;line-height:1.8;color:#d7dcd2;margin:0 0 12px}.control-help-body a{color:var(--accent);text-underline-offset:3px}#meter-preview{margin:10px 0;font-size:11px}
/* Readable labels and deliberate space, without changing the section order. */
body{font-size:14px;line-height:1.5}.section{font-size:15px;font-weight:550;white-space:nowrap;line-height:1.3;margin-top:24px;margin-bottom:12px}label{font-size:13px;font-weight:500;line-height:1.35}select,input[type=text]{font-size:16px;min-height:48px;padding:10px 12px;white-space:nowrap;text-overflow:ellipsis}.two{gap:16px}.tiny,.kitstatus{font-size:12px}.mini{font-size:12px}.panel{padding:13px}.label-help{gap:8px;min-height:36px;margin:0 0 8px}.label-help label{white-space:nowrap;font-size:13px}.field-info{position:relative;width:32px;height:32px;min-width:32px;min-height:32px;font-size:15px}.field-info::before{content:"";position:absolute;inset:-6px}#meterpanel>.label-help{margin-top:20px}#meterpanel .two{gap:16px;margin-bottom:4px}#meterpanel .two .label-help{margin-top:0}#meterpanel #apply{margin-top:16px!important}#meter-preview{margin:16px 0 4px;line-height:1.7}.control-help-body,.control-help-body .help,.guide-body p{font-size:14px;line-height:1.8}.kit-download{margin:12px 0;gap:10px}.kit-download>span{flex:1;min-width:0}.kit-download>.mini{white-space:nowrap}.trackvolume{font-size:11px}.trackvolume output{width:53px}.track{font-size:13px}.bar-control output{font-size:12px}.guide-top h1{font-size:22px}.guide-index a{font-size:13px}
@media(max-width:360px){#meterpanel .two{gap:12px}#meterpanel .two .label-help{gap:5px}#meterpanel .two label{font-size:12px}.trackvolume input{width:88px}.pulse-summary .row{gap:3px}}
@media(pointer:coarse){.field-info{min-height:32px}.mini{min-height:42px}}
.effects-disclosure{margin-top:16px}.effects-disclosure>summary,.eq-disclosure>summary{min-height:48px;padding:12px 0;font-size:15px;font-weight:550;cursor:pointer;white-space:nowrap}.effects-disclosure summary .tiny,.eq-disclosure summary .tiny{float:right;font-size:12px}.effects-disclosure>summary:focus-visible,.eq-disclosure>summary:focus-visible{outline:2px solid var(--gold);outline-offset:3px}.effects-disclosure>.panel>input[type=range]{margin-bottom:14px}.tuning{padding-top:8px;margin-top:4px}.tuning .mini{min-width:44px}.tuning p{margin:10px 0 16px;line-height:1.6}.eq-disclosure{margin-top:12px}.eq-tools{margin:8px 0 14px}.eq-values{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;font-size:11px;color:var(--muted);text-align:center}.eq-values output{white-space:nowrap}#eq-graph{width:100%;height:auto;display:block;overflow:visible;background:#111512;border-radius:12px;touch-action:none;user-select:none;-webkit-user-select:none}.eq-lines path{stroke:#303931;stroke-width:1;fill:none}.eq-axis{fill:#b8c0b7;font-size:19px}.eq-axis text{pointer-events:none}#eq-curve{fill:none;stroke:var(--accent);stroke-width:3}.eq-hit{fill:transparent;cursor:grab}.eq-point{fill:var(--accent);stroke:#141715;stroke-width:3;pointer-events:none}#eq-graph g:focus-visible{outline:0}#eq-graph g:focus-visible .eq-point{stroke:var(--gold);stroke-width:5}#eq-graph.bypassed #eq-curve,#eq-graph.bypassed .eq-point{opacity:.45}
.pause-close-label{display:flex;gap:10px;align-items:center;font-size:12px;margin:0}.pause-close-label input{width:20px;height:20px;accent-color:var(--accent)}#pulse-dialog{position:fixed;inset:0;margin:0;width:100%;max-width:none;height:100dvh;max-height:none;border:0;border-radius:0;padding:max(18px,env(safe-area-inset-top)) max(18px,env(safe-area-inset-right)) max(20px,env(safe-area-inset-bottom)) max(18px,env(safe-area-inset-left));background:var(--base);color:var(--text);overflow:auto}#pulse-dialog[open]{display:flex;flex-direction:column}.pulse-top{display:flex;align-items:center;justify-content:space-between;font-size:15px}.pulse-top button{width:44px;min-height:44px;font-size:24px}.pulse-content{flex:1;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;gap:10px;padding:14px 0}#pulse-ring{position:relative;width:min(76vw,360px);aspect-ratio:1}#pulse-ring svg{width:100%;height:100%}.pulse-track{fill:none;stroke:#303932;stroke-width:5}#pulse-progress{fill:none;stroke:var(--accent);stroke-width:5;stroke-linecap:round;stroke-dasharray:552.9203;stroke-dashoffset:552.9203}#pulse-ring.accent #pulse-progress{stroke:var(--gold)}#pulse-number{position:absolute;inset:0;display:grid;place-items:center;font-size:clamp(78px,24vw,140px);font-weight:350;line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.05em}#pulse-description{font-size:17px;font-weight:450}#pulse-speed,#pulse-phase{font-size:13px}.pulse-bottom{display:flex;align-items:center;flex-direction:column;gap:14px}.pulse-bottom button{width:min(100%,340px);min-height:52px;font-size:16px}@media(orientation:landscape) and (max-height:500px){.pulse-content{padding:0;gap:4px}#pulse-ring{width:min(42vh,190px)}#pulse-number{font-size:72px}.pulse-top{font-size:13px}.pulse-bottom{flex-direction:row;justify-content:center}.pulse-bottom button{width:170px;min-height:44px}}
[hidden]{display:none!important}
.section-help{display:flex;align-items:center;justify-content:space-between;gap:12px}.section-help>span{white-space:nowrap}.lesson-choices{display:flex;gap:8px;margin:12px 0 16px}.lesson-choices button{flex:1;min-height:44px;font-size:14px}.lesson-grid{display:grid;gap:8px;margin:18px 0}.lesson-unit{background:#111512;border-radius:12px;text-align:center;padding:12px 3px}.lesson-unit strong{display:block;font-size:25px;font-weight:500}.lesson-notes{display:flex;justify-content:center;gap:4px;margin-top:8px}.lesson-note{width:9px;height:9px;display:block;border-radius:50%;background:#465548}.lesson-note.active{background:var(--gold);box-shadow:0 0 0 3px #e6bd7a33}#lesson-count{font-size:15px;font-weight:500;line-height:1.8}.pulse-summary label{font-size:12px}.sequence-tools button{white-space:nowrap;min-width:max-content}
#floating-transport{position:fixed;top:0;left:50%;transform:translateX(-50%);z-index:40;width:min(410px,100%);padding:max(8px,env(safe-area-inset-top)) max(13px,env(safe-area-inset-right)) 8px max(13px,env(safe-area-inset-left));display:flex;gap:8px;background:var(--base);box-shadow:0 9px 20px #0005}#floating-transport button{flex:1;min-height:44px;display:flex;align-items:center;justify-content:center;gap:8px;font-size:14px}#floating-play.active{background:var(--gold);color:#201a10}#floating-play.active .play-wave{display:flex}#floating-play:active,#floating-stop:active{background:var(--gold);color:#201a10;transform:scale(.96)}@media(orientation:landscape) and (pointer:coarse) and (min-width:568px) and (max-height:500px){#floating-transport{width:100%}}
#floating-transport{flex-direction:column}.floating-actions{display:flex;gap:8px}#floating-transport #floating-visualizer{flex:none;width:100%;min-height:40px;font-size:13px}

.library-tools{display:flex;flex:none;gap:7px;white-space:nowrap}#library-filter{white-space:nowrap;min-height:40px}

.trackhead{position:sticky;left:8px;z-index:2;width:var(--track-controls-width,100%);max-width:none;min-width:0;display:grid;grid-template-columns:minmax(70px,1fr) minmax(90px,1.35fr) 40px 40px;gap:6px;align-items:center;background:#111512;padding:2px 0 6px}
.trackhead .track{margin:0;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.trackhead .trackvolume{display:block;margin:0;min-width:0;white-space:normal}.trackvolume>span{display:flex;justify-content:space-between;align-items:center;gap:3px;font-size:11px}.trackvolume output{width:auto;font-size:11px}.trackhead .trackvolume input{display:block;width:100%;min-width:0;margin:0;min-height:36px}.track-switch{padding:4px;min-height:40px;width:40px;font-size:11px}.sequence-track.silent .steps{opacity:.38}
@media(max-width:360px){.trackhead{grid-template-columns:minmax(0,1fr) 40px 40px}.trackhead .trackvolume{grid-row:2;grid-column:1/-1}.trackhead [data-mute]{grid-column:2;grid-row:1}.trackhead [data-solo]{grid-column:3;grid-row:1}}