.alab-page[data-lab=split],[data-theme=day] .alab-page[data-lab=split]{--alab-bg:#f5faf9;--alab-panel:#fff;--alab-raised:#f0f7f5;--alab-line:#dce7e4;--alab-text:#172f35;--alab-muted:#637b7e;--alab-accent:#12836f;--alab-accent-ink:#fff;--alab-bad:#b03335;color-scheme:light;background:radial-gradient(ellipse at 85% 10%,#e0f5ed80,transparent 55%),var(--alab-bg)}[data-lab=split] .alab-shell{max-width:1420px}[data-lab=split] .alab-heading{padding-bottom:24px}[data-lab=split] .alab-heading h1{letter-spacing:-.04em}[data-lab=split] .alab-card{border-radius:18px;box-shadow:0 12px 40px #19453906}[data-lab=split] .alab-card-head{border-bottom:1px solid var(--alab-line);padding-bottom:20px;margin-bottom:20px}[data-lab=split] .alab-card-head h2{font-size:clamp(20px,2.5vw,30px);letter-spacing:-.025em}[data-lab=split] .alab-mixer{display:flex;flex-direction:column;gap:16px}[data-lab=split] .alab-transport{order:2;padding:12px 0}[data-lab=split] .alab-lanes{gap:12px}[data-lab=split] .alab-lane{grid-template-columns:160px auto minmax(0,1fr) 105px 36px;min-height:104px;border-left-width:1px;padding:16px;border-radius:14px;background:linear-gradient(100deg,color-mix(in srgb,var(--lane-color) 9%,white),#fff)}[data-lab=split] .alab-lane .alab-waveform{height:66px}[data-lab=split] .alab-lane-name{display:flex;gap:12px;align-items:center;font-size:15px}[data-lab=split] .alab-lane-name small{display:block;font-size:11px;font-weight:400;color:var(--alab-muted);margin-top:3px}[data-lab=split] .alab-lane-buttons button{width:36px;height:36px;background:#fff;box-shadow:0 2px 5px #143a3210}[data-lab=split] .alab-lane-buttons button.is-on{background:var(--alab-accent);color:#fff;border-color:var(--alab-accent)}.split-mix-history{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.split-mix-history>span{font-weight:700;margin-right:auto}.split-mix-history small{display:block;color:var(--alab-muted);font-size:12px;font-weight:400;margin-top:3px}.split-source-picker{border:1px solid var(--alab-line);border-radius:12px;background:var(--alab-panel)}.split-source-picker summary{padding:14px 18px;cursor:pointer;font-weight:600}.split-source-picker .alab-drop{border-radius:0 0 12px 12px}@media(max-width:900px){[data-lab=split] .alab-lane{grid-template-columns:minmax(120px,1fr) auto 90px 36px}[data-lab=split] .alab-lane .alab-waveform{grid-column:1/-1;grid-row:2}[data-lab=split] .alab-lane input[type=range]{grid-column:3}}@media(max-width:540px){.alab-page[data-lab=split]{padding-left:12px;padding-right:12px}[data-lab=split] .alab-lane{grid-template-columns:minmax(0,1fr) auto 36px;padding:12px}[data-lab=split] .alab-lane input[type=range]{grid-column:1/3;grid-row:3}[data-lab=split] .alab-lane .alab-icon-link{grid-column:3;grid-row:3}[data-lab=split] .alab-lane .alab-waveform{grid-row:2}[data-lab=split] .alab-transport{grid-template-columns:auto minmax(0,1fr)}[data-lab=split] .alab-time{grid-column:2}[data-lab=split] .alab-card{padding:14px}[data-lab=split] .alab-lane-name{gap:8px}}