.rw-live{margin:14px 0;padding:clamp(14px,3vw,24px);border:1px solid #b9cfda;border-radius:20px;background:linear-gradient(145deg,#f8fcfd,#edf5f8);box-shadow:0 16px 42px #0b355018}.rw-live[hidden]{display:none}.rw-live-head{display:flex;justify-content:space-between;gap:12px;align-items:center}.rw-live h3{margin:.25rem 0;color:#0b3657}.rw-live-controls{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:14px 0}.rw-live-controls label{display:grid;gap:5px;padding:9px;border-radius:11px;background:#fff;font-weight:800}.rw-live-controls input{width:100%;padding:8px;border:1px solid #91adba;border-radius:8px;font:inherit}.rw-live svg{width:100%;height:auto;border-radius:16px;background:#fff;touch-action:none}.rw-axis{stroke:#829da9;stroke-width:2}.rw-grid{stroke:#dbe7eb;stroke-width:1}.rw-line{fill:none;stroke:#078e87;stroke-width:5}.rw-area{fill:url(#rw-grad)}.rw-point{fill:#f58220;stroke:#fff;stroke-width:5;cursor:grab;filter:drop-shadow(0 4px 5px #07334a44)}.rw-point:active{cursor:grabbing}.rw-point.is-active{r:12}.rw-label{font:700 13px system-ui;fill:#173651;pointer-events:none}.rw-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px}.rw-kpis div{padding:10px;border-radius:10px;background:#fff}.rw-kpis b{display:block;color:#08788c;font-size:1.15rem}.rw-open{position:absolute;right:12px;bottom:12px;padding:9px 13px;border:0;border-radius:999px;background:#082a50;color:#fff;font-weight:900;box-shadow:0 7px 20px #082a5040;cursor:pointer}.engineering-math figure:has(img[src*="old-house-rewiring-cost"]){position:relative}.engineering-math figure:has(img[src*="old-house-rewiring-cost"]) a{display:block}@media(max-width:720px){.rw-live-controls,.rw-kpis{grid-template-columns:1fr 1fr}.rw-live-head{display:grid}}@media(prefers-reduced-motion:reduce){.rw-point{transition:none!important}}

.rw-live .fa-in{stroke:#f58220}.rw-live .fa-net{stroke:#078e9b}.rw-live button[data-close]{padding:8px 12px;border:1px solid #9db5c1;border-radius:10px;background:#fff;color:#173651;font-weight:800}
.engineering-math figure:has(img[src*="fire-alarm-check-valve"]){position:relative}.rw-live:has(.fa-in) .rw-live-controls{grid-template-columns:repeat(3,minmax(0,1fr))}.rw-message{min-height:1.5em;margin:.6rem 0;color:#08715f;font-weight:750}.rw-live.is-error{border-color:#c63d35}.rw-live.is-error .rw-message{padding:.65rem .8rem;border-radius:9px;background:#fff1f0;color:#8a1c13}.rw-live input.is-invalid{border-color:#b42318;background:#fff5f4}.rw-live svg{max-width:100%;overflow:hidden}.rw-point:focus-visible{outline:4px solid #0b2d62;outline-offset:4px}@media(max-width:430px){.rw-live-controls,.rw-live:has(.fa-in) .rw-live-controls,.rw-kpis{grid-template-columns:1fr}.rw-live svg{min-height:250px}.rw-live-head{display:grid}.rw-live-head button{justify-self:start}}
.rw-plan{margin-top:22px;padding-top:20px;border-top:1px solid #bfd2da}.rw-plan-head{display:flex;justify-content:space-between;gap:16px;align-items:start}.rw-plan-head small{font:800 .72rem ui-monospace;letter-spacing:.1em;color:#08788c}.rw-plan-head h3{margin:.25rem 0}.rw-plan-head p{max-width:700px}.rw-plan-mode{display:flex;gap:6px;padding:5px;border-radius:999px;background:#dfecef}.rw-plan-mode button{border:0;border-radius:999px;padding:9px 12px;background:transparent;color:#173651;font-weight:900;cursor:pointer}.rw-plan-mode button.is-active{background:#082a50;color:#fff}.rw-plan-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:12px}.rw-plan-layout>svg{width:100%;height:auto;border-radius:16px;background:#fbfdfd;touch-action:none;filter:drop-shadow(0 8px 18px #17365118)}.rw-wall{fill:none;stroke:#668693;stroke-width:5}.rw-room-labels text{font:800 18px system-ui;fill:#7b939c}.rw-panel-node rect{fill:#173651;stroke:#fff;stroke-width:4;filter:url(#rw-shadow)}.rw-panel-node text{fill:#fff;font:800 12px system-ui}.rw-wire{fill:none;stroke:#48a8ae;stroke-width:3;stroke-dasharray:8 6;opacity:.7}.rw-wire.ac{stroke:#f58220;stroke-width:5}.rw-wire.wet{stroke:#7367d6;stroke-width:4}.rw-appliance{cursor:grab}.rw-appliance circle{fill:#fff;stroke:#078e87;stroke-width:5;filter:url(#rw-shadow)}.rw-appliance.ac circle{stroke:#f58220}.rw-appliance.wet circle{stroke:#7367d6}.rw-appliance.is-active circle{stroke-width:8}.rw-appliance text{font:900 13px system-ui;fill:#173651;pointer-events:none}.rw-appliance .rw-appliance-label{font-size:12px}.rw-plan-inspector{padding:14px;border-radius:16px;background:#082a50;color:#fff}.rw-plan-inspector>span{font:800 .72rem ui-monospace;color:#8fe1de}.rw-plan-inspector h4{font-size:1.1rem;margin:.35rem 0}.rw-plan-inspector dl{margin:1rem 0}.rw-plan-inspector dt{font-size:.78rem;color:#9ed5db}.rw-plan-inspector dd{margin:0 0 .8rem;font-weight:800}.rw-plan-inspector label{display:grid;gap:4px;margin:.7rem 0}.rw-plan-inspector input{padding:8px;border:1px solid #8fb1bd;border-radius:8px}.rw-plan-legend{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px;font-size:.85rem}.rw-plan-legend i{display:inline-block;width:14px;height:14px;margin-right:5px;border:3px solid #078e87;border-radius:50%;vertical-align:-2px}.rw-plan-legend i.ac{border-color:#f58220}.rw-plan-legend i.wet{border-color:#7367d6}.rw-plan-legend i.route{border:0;border-top:3px dashed #48a8ae;border-radius:0}@media(max-width:820px){.rw-plan-head,.rw-plan-layout{display:grid;grid-template-columns:1fr}.rw-plan-mode{justify-self:start}.rw-plan-inspector{order:-1}}

/* R25 invalid and keyboard interaction states */
.rw-error{margin:10px 0;padding:10px 12px;border-left:4px solid #b42318;border-radius:8px;background:#fff3f1;color:#8a1c13;font-weight:800}.rw-live[data-valid="false"] svg{background:#fff8f6}.rw-live svg[role="application"]:focus-visible,.rw-plan svg:focus-visible,.rw-appliance:focus-visible circle{outline:4px solid #f58220;outline-offset:3px}.rw-plan-mode button[aria-pressed="true"]{background:#082a50;color:#fff}@media(max-width:430px){.rw-error{font-size:.9rem}.rw-plan-layout>svg{min-height:280px}}