:root{color-scheme:light;--bg:#efe4b0;--panel:#f7f0d4;--text:#24231e;--muted:#625c47;--line:#c6bc96;--input:#fffbed;--accent:#76521e}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px 'Yu Gothic UI','Meiryo',system-ui,sans-serif;display:flex;flex-direction:column;height:100dvh;min-height:600px}button,input,select{font:inherit;color:inherit}button,select,input[type=number]{border:1px solid var(--line);border-radius:2px;background:var(--input);min-height:30px}button{background:#e3d7a7;padding:5px 12px;cursor:pointer}button:hover{background:#eee2b6}button:disabled{opacity:.5;cursor:default}.primary{background:var(--text);color:var(--input);border-color:var(--text)}.primary:hover{background:#454137}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}input[type=range]{accent-color:var(--accent)}input[type=checkbox]{accent-color:var(--accent)}input[type=number]{padding:4px 7px;width:100%}select{padding:3px 6px;max-width:100%}header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);height:33px;flex-shrink:0}nav{display:flex;height:100%}.menu{position:relative}.menu summary{list-style:none;padding:6px 13px;cursor:pointer}.menu summary::-webkit-details-marker{display:none}.menu[open] summary{background:var(--panel)}.menu>div{position:absolute;top:100%;left:0;z-index:30;background:var(--panel);border:1px solid var(--line);box-shadow:0 5px 16px #0002;min-width:250px;padding:5px}.menu button,.menu a{display:block;width:100%;background:none;border:0;text-align:left;white-space:nowrap;text-decoration:none;color:var(--text);padding:7px 10px}.menu button:hover,.menu a:hover{background:#e3d7a7}.menu-label{display:block;color:var(--muted);padding:4px 10px;font-size:12px}hr{border:0;border-top:1px solid var(--line)}.local-tag{font-size:11px;margin-right:14px;color:var(--muted)}.transport{display:flex;gap:8px;align-items:center;padding:10px 12px 5px;flex-wrap:wrap}.transport output{font-variant-numeric:tabular-nums;min-width:145px}.volume{display:flex;align-items:center;gap:6px}.volume input{width:100px}#apply{margin-left:auto}#dirty{font-size:12px;color:var(--accent)}.timeline{padding:3px 12px 7px}#track-title{font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted);min-height:20px}#seek{width:100%;margin:2px 0}main{display:flex;flex:1;min-height:0;border-top:1px solid var(--line)}aside{flex:0 0 282px;overflow:auto;padding:14px 12px;border-right:1px solid var(--line)}.brand{display:flex;gap:13px;align-items:center;margin:0 0 16px 3px;font:18px Georgia,serif;line-height:1.1;color:#423b26;letter-spacing:1px}.brand strong{font-size:18px}.brand svg{width:34px;height:36px;fill:none;stroke:var(--accent);stroke-width:3}.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);margin-bottom:15px}.tabs button{padding:6px 5px;font-size:12px;background:transparent;border-bottom:0;border-radius:3px 3px 0 0}.tabs .active{background:var(--panel);font-weight:600}#settings label,dialog label{display:flex;flex-direction:column;gap:4px;margin:0 0 13px;color:var(--muted)}#settings label.check{flex-direction:row;align-items:center;gap:6px;font-size:13px}.meter-row{display:flex;gap:10px;align-items:center}.meter-row input,.meter-row select{width:90px}h2{font-size:14px;font-weight:600;margin:18px 0 10px}.info{border:1px solid var(--line);background:var(--panel);padding:10px;white-space:pre-line;line-height:1.8;font-size:12px}.help{font-size:12px;color:var(--muted);line-height:1.65}.workspace{flex:1;min-width:0;display:flex;flex-direction:column;padding:5px}.workspace-toolbar{display:flex;align-items:center;gap:12px;padding:3px 4px 8px;font-size:12px;color:var(--muted)}.workspace-toolbar label{display:flex;gap:8px;align-items:center}#panels{display:grid;gap:6px;flex:1;min-height:0;grid-template-columns:1fr;grid-template-rows:minmax(0,1fr)}#panels[data-layout='2']{grid-template-columns:repeat(2,minmax(0,1fr))}#panels[data-layout='4']{grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:repeat(2,minmax(0,1fr))}.panel{background:var(--panel);border:1px solid var(--line);display:flex;flex-direction:column;min-width:0;min-height:0}.panel-controls{padding:5px;display:flex;flex-direction:column;gap:5px}.target-select{width:100%}.panel-options,.panel-params{display:flex;gap:6px;align-items:center;flex-wrap:wrap}.panel-params{font-size:11px}.panel-params label{display:flex;align-items:center;gap:3px}.panel-params input[type=number]{width:66px;min-height:25px;padding:2px 4px}.panel-params select{min-height:25px;padding:1px 3px}.plot-scroll{flex:1;min-height:125px;overflow-x:auto;overflow-y:hidden;background:#191919;position:relative}.plot-scroll canvas{display:block;touch-action:pan-x}.panel[hidden]{display:none}footer{padding:7px 10px 6px;display:grid;grid-template-columns:1fr auto;gap:5px 10px;flex-shrink:0}footer progress{width:100%;height:12px;align-self:center;accent-color:var(--accent)}#status{grid-column:1/-1;font-size:12px;color:var(--muted);min-height:18px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}footer button{font-size:12px;min-height:26px;padding:2px 10px}dialog{background:var(--panel);border:1px solid var(--line);border-radius:4px;box-shadow:0 12px 60px #0004;padding:22px;max-width:480px;width:calc(100% - 30px);color:var(--text)}dialog::backdrop{background:#19191977}dialog h2{font-size:19px;margin-top:0}dialog p{line-height:1.65;white-space:pre-line;overflow-wrap:anywhere}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}.error{color:#a13121;font-size:13px}#message-body{max-height:55vh;overflow:auto}.busy{cursor:progress}[hidden]{display:none!important}@media(max-width:850px){body{height:auto;min-height:100dvh}.local-tag{display:none}main{flex-direction:column}aside{flex-basis:auto;max-height:330px;border-right:0;border-bottom:1px solid var(--line)}.brand{display:none}#settings section{max-width:600px}#panels{min-height:520px}#panels[data-layout='4']{min-height:1000px}.workspace-toolbar>span{display:none}#apply{margin-left:0}.panel-options select{max-width:100%}footer{position:sticky;bottom:0;background:var(--bg)}}@media(max-width:550px){#panels[data-layout='2'],#panels[data-layout='4']{grid-template-columns:1fr;grid-template-rows:none;grid-auto-rows:450px}.volume input{width:65px}.transport{gap:5px}.transport output{min-width:120px;font-size:12px}}
/* Keep the footer outside the chart on narrow screens. */
@media(max-width:850px){footer{position:static}}
/* Desktop Rhythm Wave Lab layout and control proportions. */
body{font-size:13px}.transport{padding:6px 10px;justify-content:space-between;gap:12px;flex-wrap:nowrap}.transport-controls{display:flex;align-items:center;gap:7px;padding:4px;background:var(--panel);flex-wrap:wrap}button{padding:7px 11px;min-height:34px}.transport output{font:14px Consolas,monospace;min-width:140px;margin:0 5px}.volume input{width:85px}#apply{margin-left:8px}.brand{margin:0 4px 0 10px;gap:9px;white-space:nowrap;letter-spacing:0;color:var(--text);font:21px Georgia,serif}.brand strong{font-size:21px}.brand svg{width:30px;height:36px;stroke:var(--text);stroke-width:3}.timeline{padding:3px 10px 0}#dirty{min-height:21px;padding:0 10px 3px}main{margin:0 10px;border-top:0;gap:8px}aside{flex-basis:280px;padding:0;background:var(--panel);border-right:0}.tabs{gap:0;margin:0;position:sticky;top:0;z-index:2;background:var(--panel)}.tabs button{padding:8px 7px;font-size:13px;border:0;border-radius:0;color:var(--muted)}.tabs .active{background:var(--text);color:var(--input);font-weight:400}#settings section{padding:10px}#settings label{gap:2px;margin:0 0 7px}#settings input[type=number],#settings select{min-height:30px;padding:4px 5px}.info{border:0;padding:8px 0;line-height:1.6;font-size:12px}.help{margin-top:12px}.workspace{padding:0}.workspace-toolbar{padding:0 0 6px;font-size:13px;min-height:36px}.panel-controls{padding:5px;gap:5px}.panel-params{font-size:13px}.panel-params input[type=number]{width:72px;min-height:28px}.panel-params select{min-height:28px}#range-button{width:100%;margin-bottom:10px}#fourier-settings h2{display:none}input[type=range]{appearance:none;height:6px;background:#d8cda0;border-radius:0}input[type=range]::-webkit-slider-thumb{appearance:none;width:15px;height:18px;background:var(--text);border:0;border-radius:0}input[type=range]::-moz-range-thumb{width:15px;height:18px;background:var(--text);border:0;border-radius:0}#seek{margin:9px 0 8px}.plot-scroll{min-height:125px}
@media(max-width:1150px){.brand strong{font-size:16px}.transport{flex-wrap:wrap}.brand{margin-left:auto}}@media(max-width:850px){main{margin:0 8px;gap:8px}aside{flex-basis:auto;padding:0;max-height:330px}.brand{display:flex}.transport{flex-wrap:wrap}.transport-controls{gap:5px}#apply{margin-left:0}.workspace-toolbar>span{display:none}}@media(max-width:550px){.brand{display:none}.transport output{font-size:12px;min-width:120px;margin:0}.volume input{width:65px}.transport{padding:6px 8px}.panel-params{font-size:12px}}
/* Match the desktop's outlined controls and high-contrast labels. */
button,input,select,dialog{border-radius:0}
input[type=number],select{border:2px solid var(--line);color:var(--text);box-shadow:inset 1px 1px 0 #e9e0bc}
select{appearance:none;padding-right:24px!important;background-color:var(--input);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='32' viewBox='0 0 18 32'%3E%3Cpath d='M1 0v32' stroke='%23c6bc96' stroke-width='2'/%3E%3Cpath d='M5 13h8l-4 5z' fill='%23625c47'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right center;background-size:18px 100%}
#settings{border:2px solid var(--line);border-top:0;min-height:calc(100% - 37px)}
#settings label,dialog label,.panel-params,.info,.help{color:var(--text)}
#settings label{margin-bottom:9px}.info,.help{font-size:13px}.info{line-height:1.4}
.tabs{border-bottom:2px solid var(--line);align-items:end;padding:4px 2px 0}
.tabs button{border:1px solid var(--line);border-bottom:0;box-shadow:inset 1px 1px 0 var(--input);padding:8px 7px}
.tabs .active{border:2px solid var(--line);box-shadow:none;padding:6px 6px}
.panel{border:2px solid var(--line)}
.transport-controls>button:not(.primary){border-color:transparent;background:#e3d7a7}
.transport-controls>button.primary{font-weight:600}
input[type=checkbox]{appearance:none;width:12px;height:12px;flex:0 0 12px;margin:3px 2px;border:1px solid var(--line);border-radius:0;background:var(--input);display:inline-grid;place-content:center}
input[type=checkbox]:checked{background:var(--accent);border-color:var(--accent)}
input[type=checkbox]:checked::after{content:'';width:6px;height:3px;border:solid var(--input);border-width:0 0 2px 2px;transform:rotate(-45deg) translateY(-1px)}
.plot-scroll{scrollbar-color:#d8cda0 var(--input);scrollbar-width:auto}
input[type=range]{height:14px;border:1px solid var(--line);background:#d8cda0}
input[type=range]::-webkit-slider-thumb{width:15px;height:12px;background:linear-gradient(to right,#d8cda0 6px,var(--muted) 6px,var(--muted) 8px,#d8cda0 8px)}
input[type=range]::-moz-range-thumb{width:15px;height:12px;background:linear-gradient(to right,#d8cda0 6px,var(--muted) 6px,var(--muted) 8px,#d8cda0 8px)}
footer progress{appearance:none;height:16px;border:3px solid #e3d7a7;border-radius:0;background:#dfd4aa}
footer progress::-webkit-progress-bar{background:#dfd4aa}footer progress::-webkit-progress-value{background:#ad8950}footer progress::-moz-progress-bar{background:#ad8950}