:root{color-scheme:dark;--bg:#0b0f19;--card:#141c2d;--border:rgba(255,255,255,.12);--text:#e2e8f0;--muted:#94a3b8;--accent:#38bdf8}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 Inter,Segoe UI,sans-serif}main{max-width:1500px;margin:auto;padding:24px}header,.panel-head,.camera-bar,.construction label{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}h1{font-size:28px;margin:2px 0}h2{font-size:16px;margin:0}h3{font-size:14px;margin:16px 0 8px}h3 span{font-size:12px;font-weight:400;color:var(--muted)}p{margin:8px 0}.eyebrow{font-size:11px;color:var(--accent);letter-spacing:1.5px}.badge{padding:6px 12px;border:1px solid var(--accent);border-radius:20px;font-size:12px;color:var(--accent)}.intro{color:var(--muted);max-width:1100px;margin:12px 0 22px}.workspace{display:grid;grid-template-columns:minmax(0,1.9fr) minmax(290px,1fr);gap:16px}.panel{background:var(--card);border:1px solid var(--border);border-radius:12px;overflow:hidden}.panel-head{padding:14px 18px;border-bottom:1px solid var(--border)}.panel-head span{font-size:12px;color:var(--accent)}#viewport{position:relative;height:435px;background:#0c1421}#scene{display:block;width:100%;height:100%;touch-action:none;cursor:grab}.scene-label{position:absolute;bottom:12px;left:16px;pointer-events:none;display:flex;flex-direction:column;text-shadow:0 2px 4px #000}.scene-label b{font-size:14px;color:#e2e8f0}.scene-label span{font-size:11px;color:#bdcde0}.route-label{position:absolute;left:16px;top:14px;padding:6px 10px;background:#102b28;color:#6ee7b7;border:1px solid #34d399;border-radius:6px;font-size:12px}#webgl-message{position:absolute;inset:50px 30px auto;background:var(--card);padding:20px;border:1px solid var(--accent)}button,select{font:inherit;font-size:13px;color:var(--text);background:rgba(0,0,0,.18);border:1px solid var(--border);border-radius:6px;padding:8px 11px;cursor:pointer}button:hover,button.active{border-color:var(--accent);color:var(--accent);background:rgba(56,189,248,.1)}button:focus-visible,select:focus-visible,input:focus-visible,.node:focus-visible{outline:2px solid var(--accent);outline-offset:3px}button:disabled,input:disabled{opacity:.4;cursor:not-allowed}.camera-bar{justify-content:flex-start;padding:12px 18px;border-top:1px solid var(--border)}.camera-bar>span{font-size:12px;color:var(--muted)}.construction{padding:12px 18px 18px;border-top:1px solid var(--border)}label{display:block;font-size:13px;margin:8px 0}output{float:right;color:var(--accent)}input[type=range]{width:100%;accent-color:var(--accent);margin:8px 0 12px;cursor:pointer}.legend{display:flex;flex-wrap:wrap;gap:16px;font-size:11px;color:var(--muted)}.cyan{color:#38bdf8}.green{color:#6ee7b7}small{font-size:12px;color:var(--muted)}.controls{padding:0 18px 15px}.controls .panel-head{margin:0 -18px 12px;padding:12px 18px}.controls select{width:100%}.equipment-info{min-height:40px;font-size:12px;color:var(--muted)}.metrics{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-bottom:12px}.metrics>div{background:rgba(0,0,0,.18);border:1px solid var(--border);border-radius:8px;padding:9px}.metrics small{display:block;font-size:11px}.metrics b{font-size:21px;font-weight:600;display:block;color:var(--accent)}em{font-size:12px;font-style:normal;font-weight:400;color:var(--muted)}dl{margin:8px 0;display:grid;grid-template-columns:repeat(3,1fr);gap:6px}dt{font-size:11px;color:var(--muted)}dd{margin:0;font-size:14px;font-variant-numeric:tabular-nums}#trend{display:block;width:100%;height:70px;background:#0c1421;border-radius:6px}.pid-panel,.scenarios{margin-top:16px}#pid{display:block;width:100%;min-width:580px;padding:10px}.pid-panel{overflow:auto}.node{cursor:pointer}.node rect,.node circle,.node path{fill:#141c2d;stroke:#8196b0;stroke-width:2}.node.selected rect,.node.selected circle,.node.selected path{stroke:#38bdf8;fill:#13364b}.node text{fill:#e2e8f0;font:14px Segoe UI,sans-serif;text-anchor:middle;stroke:none}.node .caption{fill:#94a3b8;font-size:13px}.node .hitbox{fill:transparent;stroke:none}.node.selected .hitbox{fill:rgba(56,189,248,.08);stroke:none}.flow{opacity:.3}.flow.connected{opacity:1;stroke-width:4}.flow.running{stroke-dasharray:7 8;animation:flow 1s linear infinite}@keyframes flow{to{stroke-dashoffset:-30}}.fine{padding:0 18px 14px;font-size:12px;color:var(--muted)}.scenarios{padding:18px}.scenarios p{font-size:13px;color:var(--muted)}.scenario-buttons{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.danger{border-color:#f87171;color:#fca5a5}.danger:hover{border-color:#ef4444;color:white;background:#7f1d1d}#event{padding:10px 12px;border-left:3px solid var(--accent);background:rgba(0,0,0,.15);color:var(--text)}footer{font-size:12px;color:var(--muted);padding:16px 0 0}@media(max-width:800px){main{padding:12px}.workspace{grid-template-columns:1fr}#viewport{height:350px}.controls{display:block}.equipment-info{min-height:0}.metrics{grid-template-columns:repeat(4,1fr)}h1{font-size:24px}}@media(max-width:480px){.metrics{grid-template-columns:1fr 1fr}.panel-head{padding:12px}#viewport{height:300px}.scene-label span{font-size:10px}.badge{font-size:11px}dl{grid-template-columns:repeat(3,1fr)}}@media(prefers-reduced-motion:reduce){.flow.running{animation:none}}
:root{--site-border:rgba(148,163,184,.2)}
.workspace{grid-template-columns:minmax(0,1fr) 310px;align-items:start}.visual-column{min-width:0}.visual-column .pid-panel{margin-top:16px}.controls{position:sticky;top:12px}#viewport{height:510px}.scene-label{max-width:calc(100% - 30px)}
.reference-scroll{overflow-x:auto;background:#fff}.reference-diagram{position:relative;width:100%;min-width:560px;background:#fff}.reference-diagram>img{width:100%;height:auto;display:block}.reference-diagram #pid{position:absolute;inset:0;width:100%;height:100%;min-width:0;padding:0}.reference-diagram .node rect{fill:transparent;stroke:transparent;stroke-width:2}.reference-diagram .node:hover rect,.reference-diagram .node:focus-visible rect{fill:rgba(8,145,178,.14);stroke:#0891b2}.reference-diagram .node.selected rect{fill:rgba(8,145,178,.16);stroke:#0284c7;stroke-width:2.5}.reference-diagram .node:focus-visible{outline:none}.pid-panel .fine{padding-top:12px}.process-links{display:flex;flex-wrap:wrap;gap:6px;padding:0 18px 16px}.process-links span{font-size:11px;padding:3px 7px;border:1px solid var(--border);color:var(--muted);border-radius:4px}.process-links .connected{border-color:var(--accent);color:var(--accent)}
.minimap-panel{position:absolute;right:12px;top:12px;width:170px;padding:7px;border:1px solid rgba(148,163,184,.35);border-radius:8px;background:rgba(8,18,28,.91);box-shadow:0 4px 12px #0004}.minimap-panel>span{display:block;font-size:9px;letter-spacing:1px;color:#b9cbd7}.minimap-panel b{float:right;font-weight:400;color:#67c6d1}#minimap{display:block;width:100%;height:auto;cursor:crosshair;margin:5px 0}.minimap-panel button{width:100%;font-size:10px;padding:4px}.separator-level{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);padding:8px 0 10px}.separator-level b{color:var(--accent)}
@media(max-width:1000px){.workspace{grid-template-columns:minmax(0,1fr) 280px}#viewport{height:460px}.minimap-panel{width:145px}}@media(max-width:800px){.workspace{grid-template-columns:1fr}.controls{position:static}#viewport{height:440px}}@media(max-width:480px){#viewport{height:375px}.minimap-panel{width:125px;right:8px;top:8px}.scene-label span{max-width:250px}.route-label{top:auto;bottom:54px;left:10px;font-size:10px}}
/* Readable native equipment menu on Windows and other desktop browsers. */
#equipment{color-scheme:dark;background:#0c1728;color:#f1f5f9;border-color:#47627e;min-height:42px;font-weight:500}#equipment:hover,#equipment:focus{border-color:#38bdf8}#equipment option{background:#122239;color:#f1f5f9;font-size:13px}#equipment option:checked{background:#155575;color:#fff}
.intro strong{color:#e2e8f0}.intro p{margin:10px 0}.demo-instructions{font-size:13px;border-left:2px solid #38bdf8;padding:8px 12px;background:#101c2c;border-radius:0 6px 6px 0}
.crisis-alert[hidden]{display:none}.crisis-alert{position:fixed;z-index:100;left:50%;bottom:18px;transform:translateX(-50%);width:calc(100% - 32px);max-width:1150px;display:flex;align-items:center;gap:16px;padding:18px 22px;background:#38121c;border:2px solid #fb7185;border-radius:12px;box-shadow:0 12px 45px #0009,0 0 24px #ef444433;color:#fff1f2}.alarm-symbol{display:grid;place-items:center;flex-shrink:0;width:44px;height:44px;border:2px solid #fda4af;border-radius:50%;background:#991b35;font-size:28px;font-weight:800;animation:alarm-pulse 2.4s ease-in-out infinite}.alarm-copy{flex:1;min-width:0}.alarm-kicker{font-size:10px;font-weight:700;letter-spacing:1.2px;color:#fecdd3}.alarm-copy h2{font-size:18px;letter-spacing:.35px;margin:2px 0}.alarm-copy p{font-size:13px;line-height:1.5;margin:4px 0 0;color:#ffe4e6}.alarm-actions{display:flex;flex-direction:column;gap:8px;flex-shrink:0}.alarm-actions button{color:#fff;border-color:#fda4af;background:#501d2a;font-weight:600}.alarm-actions .danger{background:#be123c;border-color:#fb7185}.alarm-actions button:hover{background:#881337}.alarm-actions button:disabled{opacity:1;background:#4a2630;color:#fecdd3;cursor:default}.crisis-active main{padding-bottom:190px}.crisis-active .plant{border:2px solid #fb7185}.crisis-active .plant .panel-head{background:#391622}.crisis-active #status{color:#fecdd3;font-weight:800;letter-spacing:.6px}.crisis-active #viewport:after{content:'';position:absolute;inset:0;box-shadow:inset 0 0 42px #e11d4833;pointer-events:none}.crisis-active .scenarios{border-color:#fb7185;background:#251622}.crisis-active #event{border-left:4px solid #fb7185;background:#441b29;color:#fff1f2;font-weight:600;padding:16px}.crisis-active .scenario-buttons button.active:not([data-scenario=normal]){background:#9f1239;color:#fff;border-color:#fda4af}.esd-active .alarm-symbol{animation:none;background:#66223a}
@keyframes alarm-pulse{50%{box-shadow:0 0 0 8px #fb718520}}
@media(max-width:650px){.crisis-alert{bottom:10px;width:calc(100% - 20px);padding:12px;gap:10px;flex-wrap:wrap}.alarm-symbol{width:34px;height:34px;font-size:23px}.alarm-copy{flex-basis:calc(100% - 50px)}.alarm-copy h2{font-size:15px}.alarm-copy p{font-size:12px}.alarm-actions{flex-direction:row;width:100%;padding-left:44px}.alarm-actions button{flex:1;font-size:12px;padding:8px}.crisis-active main{padding-bottom:260px}}
@media(prefers-reduced-motion:reduce){.alarm-symbol{animation:none}}
/* Source report: same panel language, separated from live demo telemetry. */
.design-report{margin-top:16px}.design-report a,.report-citation{color:#7dd3fc;text-decoration:underline;text-underline-offset:3px}.design-report .panel-head a{font-size:12px}#report-content{padding:18px}.report-intro{color:var(--muted);font-size:13px;max-width:1100px}.report-intro b{color:var(--text)}.report-highlights{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:18px 0 10px}.report-highlights>div,.report-card{background:#101827;border:1px solid var(--border);border-radius:8px;padding:16px}.report-highlights span{display:block;color:var(--muted);font-size:12px}.report-highlights b{font-size:22px;color:#7dd3fc;display:block}.report-highlights small{font-size:12px;font-weight:400}.report-citation{display:inline-block;font-size:11px;margin:6px 0;line-height:1.6}.reaction-line{padding:16px;border-left:3px solid var(--accent);background:#0d1c2d;margin:18px 0}.reaction-line>span{display:block;font-size:10px;letter-spacing:1px;color:#7dd3fc}.reaction-line>b{display:block;font-size:21px;margin-top:5px}.reaction-line p,.process-story p,.report-card p,.source-review p{font-size:13px;color:#b0bfd1}.process-story{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;padding-left:22px;margin:20px 0}.process-story li::marker{color:#38bdf8;font-weight:700}.process-story h3{margin-top:0}.report-subhead{display:flex;gap:12px;align-items:baseline;flex-wrap:wrap;margin-top:18px}.report-subhead h3{font-size:16px}.report-subhead span{color:var(--muted);font-size:12px}.report-equipment-links{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0 20px}.report-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:12px 0}.report-card h3{margin-top:4px}.report-specs{display:block;margin:10px 0}.report-specs>div{display:flex;justify-content:space-between;gap:14px;padding:8px 0;border-bottom:1px solid var(--border)}.report-specs dt{font-size:12px;flex:1}.report-specs dd{font-size:12px;text-align:right;flex:1.3;overflow-wrap:anywhere}.reference-tag{font-size:10px!important;letter-spacing:.6px;color:#7dd3fc!important}.source-note{color:#e6c999!important;font-size:12px!important;padding:10px;border-left:2px solid #c39a54;background:#c39a540a;line-height:1.6}.equipment-design{border:1px solid #30445e;background:#0d192a;border-radius:7px;margin:12px 0}.equipment-design summary{cursor:pointer;padding:10px 12px;font-size:12px;color:#7dd3fc;font-weight:600}.equipment-design[open] summary{border-bottom:1px solid var(--border)}#equipment-spec{padding:0 12px 12px}.telemetry-caption{font-size:9px;letter-spacing:.8px;color:var(--muted);margin:15px 0 8px}.report-disclosure{border:1px solid var(--border);border-radius:8px;padding:14px;margin:18px 0}.report-disclosure summary{cursor:pointer;font-size:13px;font-weight:600;color:#c4d5e8}.source-review article{padding:6px 0 12px;border-bottom:1px solid var(--border)}.source-review summary{color:#e6c999}.report-footnote{font-size:11px;color:var(--muted)}.calculation-value,.calculation-value output{font-size:21px!important;color:#7dd3fc!important;float:none;font-weight:600}.report-card input{width:150px;background:#0c1728;border:1px solid #47627e;border-radius:6px;color:#f1f5f9;padding:8px;font:inherit}.report-card input:invalid{border-color:#fb7185}.report-disclosure summary:focus-visible,.equipment-design summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
@media(max-width:1000px){.report-highlights,.process-story{grid-template-columns:1fr 1fr}}@media(max-width:650px){.report-grid,.process-story{grid-template-columns:1fr}.report-highlights b{font-size:19px}.reaction-line>b{font-size:17px}.report-highlights{gap:8px}.report-highlights>div{padding:10px}.report-specs>div{gap:10px}}
.report-jump{display:inline-block;font-size:13px;color:#7dd3fc;text-decoration:underline;text-underline-offset:4px;margin-top:4px}#design-report{scroll-margin-top:16px}
.digital-scroll{overflow-x:auto;background:#fff}.digital-diagram{display:block;background:#fff;width:100%;height:auto}.digital-scroll #pid{position:static;min-width:900px;padding:0}.digital-scroll #site-plan{min-width:750px}.pid-equipment{cursor:pointer}.pid-equipment .pid-hit{fill:transparent;stroke:none;pointer-events:all}.pid-equipment:hover .symbol,.pid-equipment:focus .symbol{stroke:#0284c7;stroke-width:3}.pid-equipment.selected .symbol{fill:#b9e8f8;stroke:#0284c7;stroke-width:3}.pid-equipment:focus{outline:none}.pid-equipment:focus .pid-hit{stroke:#0284c7;stroke-width:2;stroke-dasharray:4 3}.pid-pipe.connected>polyline{stroke:#0284c7;stroke-width:4}.pdf-download{display:inline-block;color:#e4f5ff!important;background:#123e58;border:1px solid #3185af;border-radius:7px;padding:10px 12px;text-decoration:none!important;font-size:12px!important;line-height:1.5;cursor:pointer}.pdf-download:hover{background:#185471}.pdf-download:focus-visible{outline:2px solid #7dd3fc;outline-offset:3px}.controls .pdf-download{display:block;text-align:center;margin:10px 0}
/* The project dialog embeds only the interactive field; standalone URLs retain every module. */
.compact-preview body{overflow:hidden}
.compact-preview main{height:100dvh;max-width:none;padding:10px;display:flex;flex-direction:column;gap:8px}
.compact-preview header{flex:none;gap:6px}
.compact-preview h1{font-size:18px;margin:0}
.compact-preview .eyebrow,.compact-preview .intro,.compact-preview .construction,.compact-preview .controls,.compact-preview .scenarios,.compact-preview .design-report,.compact-preview footer{display:none}
.compact-preview .badge{font-size:10px;padding:3px 8px}
.compact-preview .workspace{display:block;flex:1;min-height:0}
.compact-preview .visual-column{height:100%;display:grid;grid-template-rows:minmax(0,1.15fr) minmax(0,1fr);gap:8px}
.compact-preview .plant{height:100%}
.compact-preview .plant{display:flex;flex-direction:column}
.compact-preview .plant .panel-head{padding:8px 12px;flex:none}
.compact-preview .plant h2{font-size:13px}
.compact-preview #viewport{height:auto;flex:1;min-height:0}
.compact-preview .minimap-panel{width:125px;top:8px;right:8px}
.compact-preview .scene-label{left:12px;bottom:10px}
.compact-preview .scene-label b{font-size:12px}
@media(max-width:480px){.compact-preview h1{font-size:15px}.compact-preview .badge{font-size:9px}.compact-preview .minimap-panel{width:100px}.compact-preview .scene-label span{max-width:210px}}
.compact-preview .pid-panel{display:flex;flex-direction:column;margin-top:0;min-height:0}
.compact-preview .pid-panel .panel-head{padding:6px 12px;flex:none}
.compact-preview .pid-panel h2{font-size:13px}
.compact-preview .pid-panel .panel-head span,.compact-preview .pid-panel .fine,.compact-preview .process-links{display:none}
.compact-preview .pid-panel .digital-scroll{flex:1;min-height:0;overflow:auto}
.compact-preview #pid{height:100%;min-width:600px;padding:0}