:root{color-scheme:dark;--bg:#06131d;--panel:#0c2635;--panel2:#123748;--line:#2a5265;--text:#f5f8f9;--muted:#a8bdc7;--cyan:#45d8e5;--green:#57de8b;--amber:#ffc34f;--red:#ff706b;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}html{overflow-x:hidden}body{margin:0;overflow-x:hidden;background:radial-gradient(circle at 80% 0,#174154 0,transparent 35rem),var(--bg);color:var(--text);line-height:1.45}header,main,footer{width:min(1180px,calc(100% - 32px));margin:auto}header{display:flex;align-items:center;justify-content:space-between;padding:26px 0 18px;gap:16px}h1,h2,p{margin:0}h1{font-size:clamp(1.8rem,5vw,2.8rem);letter-spacing:-.035em}h2{font-size:1.18rem}.eyebrow{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);font-weight:800}.sub,.micro{color:var(--muted)}.micro{font-size:.79rem}.header-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.offline-pill{font-size:.75rem;color:var(--green);white-space:nowrap}.offline-pill:before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:currentColor;margin-right:6px}button,input,summary{min-height:44px}button{border:1px solid var(--line);border-radius:10px;padding:0 15px;background:var(--panel2);color:var(--text);font:inherit;font-weight:750;cursor:pointer}.text-button{border:0;background:transparent;color:var(--cyan);padding:0 4px}.banner{display:flex;align-items:baseline;gap:10px;padding:14px 18px;border:1px solid var(--line);border-left:5px solid var(--amber);border-radius:12px;background:#1b2d34;margin-bottom:16px}.banner.pass{border-left-color:var(--green);background:#0e3028}.banner.fail{border-left-color:var(--red);background:#351d25}.layout{display:grid;grid-template-columns:1fr 1fr;gap:16px}.panel{min-width:0;border:1px solid var(--line);background:linear-gradient(145deg,rgba(17,49,65,.96),rgba(8,30,43,.97));border-radius:16px;padding:20px;box-shadow:0 18px 45px #0004}.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.input-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}label{font-weight:700}.unit{float:right;font-size:.75rem;color:var(--muted);font-weight:500}input{display:block;width:100%;margin-top:6px;padding:8px 12px;border:1px solid var(--line);border-radius:10px;background:#071b27;color:var(--text);font:inherit;font-size:1.05rem}input:focus{outline:3px solid #45d8e544;border-color:var(--cyan)}input.invalid{border-color:var(--red)}.wide{grid-column:1/-1}.error{display:block;min-height:1.15em;color:var(--red);font-size:.72rem}.gauges{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}.gauge{padding:14px;border:1px solid var(--line);border-radius:12px;background:#071d29}.gauge span,.gauge small{display:block;color:var(--muted);font-size:.78rem}.gauge strong{display:block;font-size:clamp(1.55rem,5vw,2.35rem);line-height:1.1}.gauge.primary strong{color:var(--cyan)}.mode-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}.mode{padding:12px;border:1px solid var(--line);border-radius:10px}.mode span,.mode strong{display:block}.mode span{font-size:.78rem;color:var(--muted)}.mode strong{font-size:.82rem}.mode.pass{border-color:#3e8f61;color:var(--green)}.mode.fail{border-color:#9a4a48;color:var(--red)}svg{display:block;width:100%;max-width:100%;height:auto;overflow:visible}.normal-envelope{fill:#45d8e51b;stroke:var(--cyan);stroke-width:2}.utility-envelope{fill:#57de8b2b;stroke:var(--green);stroke-width:2}.grid-line{stroke:#ffffff18;stroke-width:1}.tick,.axis{fill:var(--muted);font-size:11px}.axis{font-weight:800;letter-spacing:.08em}.point circle{fill:var(--amber);stroke:#07131d;stroke-width:3}.point.zf circle{fill:#f5f8f9}.point.out circle{fill:var(--red);stroke:#fff}.point text{fill:var(--text);font-weight:900;font-size:12px;transform:translate(11px,-10px)}#burnLine{stroke:var(--amber);stroke-width:3;stroke-dasharray:7 5}.legend{display:flex;gap:10px;flex-wrap:wrap;font-size:.7rem}.legend span:before{content:"";display:inline-block;width:8px;height:8px;border-radius:2px;margin-right:4px}.normal-key:before{background:var(--cyan)}.utility-key:before{background:var(--green)}.to-key:before{background:var(--amber)}.zf-key:before{background:#fff}.table-wrap{overflow-x:auto;margin-top:14px}table{border-collapse:collapse;width:100%;min-width:440px}th,td{text-align:right;padding:10px 8px;border-bottom:1px solid var(--line)}th:first-child{text-align:left}thead{color:var(--muted);font-size:.75rem}.notice{color:var(--amber);font-size:.84rem;margin-top:12px}.checklist{grid-column:1/-1}.checklist ul{list-style:none;margin:14px 0 0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:0 24px}.checklist li{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid var(--line)}.checklist li span{min-width:0}.checklist li small{display:block}.checklist b{font-size:.74rem}.checklist b.pass{color:var(--green)}.checklist b.fail{color:var(--red)}.safety{margin:16px 0;padding:18px;border:1px solid #906c2e;border-radius:14px;background:#2c271b;color:#f5dfad}.safety summary{display:flex;align-items:center;cursor:pointer;font-weight:700}.safety summary:before{content:"▸";margin-right:8px;color:var(--amber)}.safety details[open] summary:before{content:"▾"}.safety details p{margin-top:8px}footer{display:flex;justify-content:space-between;color:var(--muted);font-size:.75rem;padding:5px 0 30px}@media(max-width:760px){header{align-items:flex-start;flex-direction:column}.header-actions{justify-content:flex-start}.layout{grid-template-columns:1fr}.checklist ul{grid-template-columns:1fr}.banner{align-items:flex-start;flex-direction:column;gap:2px}.panel{padding:16px}}@media(max-width:430px){header,main,footer{width:min(100% - 20px,1180px)}.input-grid{grid-template-columns:1fr}.wide{grid-column:auto}.section-head{align-items:flex-start;flex-direction:column}.section-head 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