#cm-simulation{--c-accent:#83deec;--c-muted:#b1c6d1;background:#091c2b;color:#eff7fa;border:1px solid #355364;border-radius:20px;padding:clamp(18px,3vw,42px);margin:30px 0;font-family:system-ui,sans-serif}#cm-simulation *{box-sizing:border-box}.cm-heading{display:flex;justify-content:space-between;gap:24px;align-items:center}.cm-kicker,.cm-map-top,.cm-boundary{font-size:11px;letter-spacing:1.5px;font-weight:700}.cm-heading h2{font-size:clamp(40px,5vw,66px);line-height:1.02;margin:18px 0;color:#fff}.cm-heading h2 span{color:var(--c-accent)}.cm-heading p,.cm-map-note{color:var(--c-muted);line-height:1.7}.cm-badge{border:1px solid #426e81;padding:16px;color:var(--c-accent);font-size:11px;line-height:1.8;border-radius:8px}.cm-badge small{display:block;color:var(--c-muted)}.cm-toolbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:26px}#cm-simulation button,#cm-simulation select{font:inherit;padding:10px 13px;border:1px solid #607d8b;border-radius:6px;color:#eff7fa;background:#142e3f;cursor:pointer}#cm-simulation :is(button,select,input,summary,a):focus-visible{outline:3px solid #83deec;outline-offset:3px}#cm-simulation #cm-play{background:var(--c-accent);color:#09202c;font-weight:750}#cm-simulation button:disabled{opacity:.5;cursor:wait}.cm-toolbar label{font-size:13px}#cm-audio-status{font-size:12px;color:var(--c-muted);min-height:18px}.cm-layout{display:grid;grid-template-columns:1fr 1.1fr;gap:28px;margin:24px 0}.cm-map{border:1px solid #32566a;border-radius:12px;padding:20px;background:radial-gradient(ellipse at 30% 90%,#154559,transparent 70%),#0c2232;min-width:0}.cm-map-top{display:flex;justify-content:space-between;color:var(--c-muted);gap:12px;font-size:10px}#cm-clock{white-space:nowrap;color:#83deec}.cm-network{max-width:360px;margin:24px auto 0;text-align:center}.cm-node{padding:12px;border:1px solid #527b8c;border-radius:7px;background:#102d3c;font-size:14px;transition:border-color .4s,background .4s}.cm-node small{display:block;color:#c0d4dd;font-size:11px;margin-top:5px}.cm-wire{height:20px;width:2px;background:#83deec;margin:auto}.cm-boundary{color:#efc58d;border-block:1px dashed #927956;margin:14px -8px;padding:10px 0;font-size:9px}.cm-node.alert{border-color:#ff987f;background:#442924}.cm-node.isolated{border-color:#efc58d;background:#373224}.cm-map-note{font-size:11px;margin-bottom:0}.cm-harbor{width:100%;height:auto;margin:16px 0 0;display:block}.cm-vessel{display:flex;flex-wrap:wrap;gap:6px 12px;justify-content:space-between;font-size:10px;padding:12px 0;border-bottom:1px solid #355364;color:#a7eac5}.cm-story{min-width:0}.cm-story h3{font-size:28px;line-height:1.2;margin:14px 0;color:#fff}.cm-story>p{line-height:1.75}#cm-caption{min-height:210px;color:#d0e0e9;font-size:15px}.cm-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;border-block:1px solid #355364;padding:20px 0}.cm-metrics strong{display:block;color:var(--c-accent);font-size:clamp(22px,2.2vw,30px)}.cm-metrics span{display:block;color:var(--c-muted);font-size:11px;margin-top:6px}#cm-action{font-size:13px;color:#efc58d}#cm-stages{display:flex;gap:8px;flex-wrap:wrap}#cm-stages button{flex:1;font-size:12px;text-align:left;min-width:120px}#cm-stages button[aria-current=step]{border-color:var(--c-accent);color:var(--c-accent)}.cm-evidence{border-top:1px solid #355364;margin-top:25px;padding-top:20px;font-size:13px;color:#c7dbe5;line-height:1.75}.cm-evidence summary{cursor:pointer;color:#fff}.cm-evidence a{color:var(--c-accent)}.cm-evidence table{width:100%;border-collapse:collapse;text-align:left;font-size:12px}.cm-evidence th,.cm-evidence td{padding:10px 6px;border-bottom:1px solid #355364}.cm-evidence caption{text-align:left;color:#efc58d;margin:12px 0}.cm-evidence h4{color:#fff;margin-bottom:4px}@media(max-width:800px){.cm-layout{grid-template-columns:1fr}.cm-heading{display:block}.cm-badge{display:inline-block;margin-top:10px}#cm-caption{min-height:0}.cm-toolbar{align-items:flex-start}.cm-map{padding:15px}}@keyframes cm-flow{0%,100%{opacity:.35}50%{opacity:1;box-shadow:0 0 12px #83deec}}@media(prefers-reduced-motion:no-preference){#cm-simulation.is-playing .cm-wire,#cm-simulation.is-playing .cm-beacon{animation:cm-flow 1.8s ease-in-out infinite}}@media(prefers-reduced-motion:reduce){#cm-simulation *{transition:none!important;animation:none!important}}
.cm-heading h2 span{color:#edc282}.cm-map{padding:18px}.cm-map svg{width:100%;height:auto;display:block;margin:20px 0}.cm-map svg text{fill:#e5f0f3;font:14px system-ui}.cm-map svg .cm-svg-label{font-size:12px;letter-spacing:1px}.cm-map svg .cm-svg-small{font-size:12px;fill:#b9d1dc}.cm-pipe{fill:none;stroke:#84ddcd;stroke-width:9;stroke-linejoin:round}.cm-old-pipe{fill:none;stroke:#8d9ca6;stroke-width:7}#cm-feedback{fill:none;stroke:#edc282;stroke-width:3;stroke-dasharray:7 6;transition:d .5s}.cm-device{fill:#143448;stroke:#83deec}.cm-houses{fill:#183e4d;stroke:#83deec;stroke-width:2}#cm-sensor{fill:#edc282}.cm-readings{display:grid;grid-template-columns:1fr 1fr;gap:12px;border-top:1px solid #355364;padding-top:18px}.cm-readings small{display:block;color:#b1c6d1;font-size:11px}.cm-readings strong{display:block;font-size:18px;margin-top:8px;color:#83deec}.cm-action{border-left:3px solid #edc282;background:#183141;padding:16px}.cm-action small{color:#edc282;font-size:10px;letter-spacing:1px}.cm-action p{margin:8px 0 0;line-height:1.6;font-size:14px}#cm-outcome{font-size:13px;color:#b1c6d1}#cm-status{font-size:12px;min-height:18px;color:#b1c6d1}#cm-simulation[data-failure=true] .cm-pipe{stroke:#ff987f}#cm-simulation[data-failure=true] .cm-houses{stroke:#ff987f;fill:#482c28}#cm-simulation[data-failure=true] .cm-old-pipe{stroke:#657783;stroke-dasharray:10 8}#cm-simulation[data-failure=true] #cm-condition{color:#ffb29d}#cm-simulation button{min-height:44px}@keyframes cm-feedback-flow{to{stroke-dashoffset:-26}}@media(prefers-reduced-motion:no-preference){#cm-simulation.is-playing #cm-feedback{animation:cm-feedback-flow 2s linear infinite}}@media(max-width:500px){.cm-readings strong{font-size:15px}.cm-heading h2{font-size:40px}.cm-map{padding:10px}}

.cm-flow{fill:none;stroke:#e1fff9;stroke-width:3;stroke-dasharray:4 36}.cm-service{fill:none;stroke:#84ddcd;stroke-width:3}#cm-simulation[data-failure=true] .cm-service{stroke:#ff987f}@keyframes cm-gas-flow{to{stroke-dashoffset:-80}}@media(prefers-reduced-motion:no-preference){#cm-simulation.is-playing .cm-flow{animation:cm-gas-flow 3s linear infinite}}

#cm-simulation[data-retired=true] .cm-old-pipe{stroke:#657783;stroke-dasharray:10 8}

/* Intro overlays the diagram while captions and playback controls stay visible. */
.cm-map{position:relative;overflow:hidden;isolation:isolate}
.cm-intro{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:2;opacity:0;pointer-events:none;transition:opacity 1s ease;background:#091c2b}
.cm-intro.is-visible{opacity:1}