.rf-lab{--rf-zero:#22d3ee;--rf-pole:#fb7185;--rf-gain:#34d399;--rf-violet:#a78bfa}.rf-hero{border:1px solid color-mix(in srgb,var(--accent) 38%,var(--border));background:radial-gradient(circle at 12% 0%,color-mix(in srgb,var(--rf-zero) 18%,transparent),transparent 42%),radial-gradient(circle at 92% 100%,color-mix(in srgb,var(--rf-violet) 16%,transparent),transparent 44%),var(--bg-surface);border-radius:18px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:1rem;min-height:112px;padding:1.2rem 1.4rem;display:grid;position:relative;overflow:hidden}.rf-hero:after{content:"";pointer-events:none;background-image:linear-gradient(color-mix(in srgb,var(--border) 32%,transparent) 1px,transparent 1px),linear-gradient(90deg,color-mix(in srgb,var(--border) 32%,transparent) 1px,transparent 1px);opacity:.55;background-size:28px 28px;position:absolute;inset:0;-webkit-mask-image:linear-gradient(90deg,#000,#0000 65%);mask-image:linear-gradient(90deg,#000,#0000 65%)}.rf-hero-kicker{z-index:1;color:#07111f;background:linear-gradient(135deg,var(--rf-zero),#60a5fa);width:48px;height:48px;box-shadow:0 8px 28px color-mix(in srgb,var(--rf-zero) 24%,transparent);font:800 1rem var(--font-mono);border-radius:14px;place-items:center;display:grid;position:relative}.rf-equation,.rf-decomposition{z-index:1;min-width:0;position:relative}.rf-equation{font-size:clamp(1.25rem,3.8vw,2rem);overflow-x:auto}.rf-equation .katex-display{text-align:left;margin:0}.rf-decomposition{color:var(--text-dim);white-space:nowrap}.rf-presets{margin:-.2rem 0}.rf-presets .sample-btn{border-radius:999px}.rf-workspace{grid-template-columns:minmax(0,1.75fr) minmax(210px,.75fr);align-items:stretch;gap:1rem;display:grid}.rf-stage{min-width:0;position:relative}.rf-stage #rf-chart-host,.rf-stage .chart-shell{height:100%;margin:0}.rf-chart-shell{background:var(--bg-surface);border-radius:18px;padding:.45rem}.rf-chart-shell canvas{cursor:ew-resize;touch-action:none;border-radius:14px;width:100%}.rf-gesture-note{border:1px solid var(--border);background:color-mix(in srgb,var(--bg-surface) 88%,transparent);color:var(--text-dim);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);pointer-events:none;border-radius:999px;align-items:center;gap:.35rem;padding:.25rem .55rem;font-size:.72rem;display:flex;position:absolute;bottom:.9rem;left:1rem}.rf-dot{border-radius:50%;width:7px;height:7px}.rf-dot--zero{background:var(--rf-zero)}.rf-dot--pole{background:var(--rf-pole);margin-left:.2rem}.rf-controls{border:1px solid var(--border);background:linear-gradient(160deg,color-mix(in srgb,var(--bg-surface) 92%,var(--accent)),var(--bg-surface));border-radius:18px;flex-direction:column;gap:.7rem;padding:.85rem;display:flex}.rf-control{border:1px solid var(--border);background:color-mix(in srgb,var(--bg) 36%,transparent);color:var(--text-dim);border-radius:12px;gap:.65rem;padding:.8rem;font-size:.78rem;font-weight:700;display:grid}.rf-control-head{grid-template-columns:auto 1fr auto;align-items:center;gap:.55rem;display:grid}.rf-symbol{color:#07111f;width:25px;height:25px;font:800 .85rem var(--font-mono);border-radius:8px;place-items:center;display:grid}.rf-control--zero .rf-symbol{background:var(--rf-zero)}.rf-control--pole .rf-symbol{background:var(--rf-pole)}.rf-control--gain .rf-symbol{background:var(--rf-gain)}.tool-body .rf-number{text-align:right;width:4.8rem;height:30px;font:700 .82rem var(--font-mono);color:var(--text);background:var(--bg-surface);border-radius:8px;padding:.25rem .35rem}.rf-control input[type=range]{width:100%}.rf-control--zero input{accent-color:var(--rf-zero)}.rf-control--pole input{accent-color:var(--rf-pole)}.rf-control--gain input{accent-color:var(--rf-gain)}.rf-relation{background:color-mix(in srgb,var(--accent) 10%,transparent);color:var(--text-dim);font:.8rem var(--font-mono);border-radius:11px;justify-content:space-between;gap:.5rem;margin-top:auto;padding:.65rem .8rem;display:flex}.rf-relation strong{color:var(--text)}.rf-relation.is-special{background:#fbbf2424}.rf-relation.is-special strong{color:#fbbf24}.rf-analysis{grid-template-columns:repeat(auto-fit,minmax(min(100%,150px),1fr));gap:.65rem;display:grid}.rf-metric{border:1px solid var(--border);background:var(--bg-surface);border-radius:13px;min-height:82px;padding:.75rem .85rem .7rem 1rem;position:relative;overflow:hidden}.rf-metric:before{content:"";background:var(--text-dim);width:3px;position:absolute;inset:0 auto 0 0}.rf-metric--zero:before{background:var(--rf-zero)}.rf-metric--pole:before{background:var(--rf-pole)}.rf-metric--gain:before{background:var(--rf-gain)}.rf-metric--hole:before{background:#fbbf24}.rf-metric span{min-height:2.1em;color:var(--text-dim);text-transform:uppercase;letter-spacing:.055em;font-size:.69rem;line-height:1.25;display:block}.rf-metric strong{overflow-wrap:anywhere;font:700 .96rem var(--font-mono);margin-top:.4rem;display:block}:-webkit-any(.rf-chart-shell:fullscreen canvas,.rf-chart-shell:-webkit-full-screen canvas){max-width:100%}:is(.rf-chart-shell:fullscreen canvas,.rf-chart-shell:fullscreen canvas){max-width:100%}@media (width<=820px){.rf-workspace{grid-template-columns:1fr}.rf-controls{grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.rf-relation{grid-column:1/-1;margin-top:0}}@media (width<=620px){.rf-hero{grid-template-columns:auto minmax(0,1fr);gap:.7rem;padding:1rem}.rf-hero-kicker{width:40px;height:40px}.rf-decomposition{grid-column:1/-1;overflow-x:auto}.rf-controls{grid-template-columns:1fr}.rf-relation{grid-column:auto}.rf-analysis{grid-template-columns:repeat(2,minmax(0,1fr))}.rf-metric{min-height:76px;padding-left:.8rem}}