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label{color:var(--qrl-muted);letter-spacing:.04em;gap:.35rem;font-size:.7rem;font-weight:700;display:grid}quaternion-rotation-lab .qrl-input-with-unit{display:block;position:relative}quaternion-rotation-lab .qrl-input-with-unit input{padding-right:1.65rem}quaternion-rotation-lab .qrl-input-with-unit>span{color:var(--qrl-muted);font-weight:500;position:absolute;top:50%;right:.6rem;transform:translateY(-50%)}quaternion-rotation-lab .qrl-actions{gap:.6rem;margin-top:1rem;display:flex}quaternion-rotation-lab .qrl-actions button{flex:1;padding:.45rem .75rem;font-weight:600}quaternion-rotation-lab .qrl-actions .qrl-primary{border-color:var(--qrl-accent);background:var(--qrl-accent);color:#fffdf8}quaternion-rotation-lab .qrl-actions .qrl-primary:hover{border-color:var(--qrl-accent-hover);background:var(--qrl-accent-hover)}quaternion-rotation-lab .qrl-hint{color:var(--qrl-muted);font-size:.68rem;margin:.65rem 0 0!important}quaternion-rotation-lab .qrl-stage{background:radial-gradient(circle at 50% 42%, #8b6e4e1f, transparent 48%), linear-gradient(var(--qrl-panel), var(--qrl-surface));flex-direction:column;justify-content:center;min-width:0;min-height:24rem;padding:1rem 1rem .85rem;display:flex}quaternion-rotation-lab canvas{width:100%;height:19rem;display:block}quaternion-rotation-lab .qrl-progress{background:var(--qrl-border);border-radius:99px;height:3px;margin:.25rem 0 .7rem;overflow:hidden}quaternion-rotation-lab .qrl-progress span{background:var(--qrl-accent);width:0;height:100%;transition:width 80ms linear;display:block}quaternion-rotation-lab .qrl-status{min-height:2.25rem;color:var(--qrl-muted);text-align:center;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.68rem;line-height:1.45}quaternion-rotation-lab .qrl-sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;clip-path:inset(50%);width:1px;height:1px;position:absolute;overflow:hidden}@media (width<=720px){quaternion-rotation-lab .qrl-layout{grid-template-columns:1fr}quaternion-rotation-lab .qrl-controls{border-right:0;border-bottom:1px solid var(--qrl-border)}quaternion-rotation-lab .qrl-stage{min-height:21rem}quaternion-rotation-lab canvas{height:16rem}}@media (width<=440px){quaternion-rotation-lab .qrl-heading{flex-direction:column}quaternion-rotation-lab .qrl-preset{width:100%}quaternion-rotation-lab .qrl-settings{grid-template-columns:1fr}}@media (prefers-color-scheme:dark){quaternion-rotation-lab{--qrl-ink:#e7e5e4;--qrl-muted:#a8a29e;--qrl-border:#44403c;--qrl-surface:#151412;--qrl-panel:#1c1917;--qrl-accent:#c9a77c;--qrl-accent-hover:#d7b48a;--qrl-face-a:#9d7145;--qrl-face-b:#5f4937;--qrl-face-c:#795737;--qrl-face-d:#b58c61;--qrl-face-e:#8b6641;--qrl-face-f:#c4a37e;--qrl-edge:#ede4d9}quaternion-rotation-lab .qrl-card{box-shadow:none}quaternion-rotation-lab .qrl-table-wrap,quaternion-rotation-lab input,quaternion-rotation-lab select{background:#0f0e0d}.article-content quaternion-rotation-lab .qrl-table 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