:root{color-scheme:dark;font-family:Inter,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;background:#081321;color:#eaf3ff}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at top,#16314d,#081321 72%);min-height:100vh}.shell{max-width:1660px;margin:auto;padding:16px 20px 10px}.mast{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:5px 10px 15px}.mast h1{font-size:29px;letter-spacing:1px;margin:0}.mast h1 em{font-style:normal;color:#57c3ff}.mast p{color:#c6d6e9;font-size:13px;margin:3px 0}.eyebrow{color:#64c8ff;letter-spacing:2px;font-size:10px;font-weight:800}.header-tools{display:flex;gap:14px;align-items:center}.led{font-size:11px;color:#78ddb7}.ghost{border:1px solid #47637e;border-radius:8px;background:#19334d;color:#e7f2ff;padding:10px 14px;cursor:pointer}.ghost:hover{background:#285173}.tabs{display:grid;grid-template-columns:repeat(5,1fr);gap:7px;margin:0 0 11px}.tabs button{background:#11243a;color:#8caccb;border:1px solid #29445e;border-radius:9px;padding:12px 7px;font-size:16px;font-weight:800;cursor:pointer}.tabs button span{font-size:11px;letter-spacing:.5px;margin-left:7px}.tabs button.active{background:linear-gradient(130deg,#1477bb,#184673);border-color:#68cbff;color:white;box-shadow:0 1px 14px #1395df33}.workspace{display:grid;grid-template-columns:minmax(340px,1.06fr) minmax(315px,.94fr);grid-template-rows:minmax(380px,auto) minmax(290px,auto);gap:11px}.panel{background:#12243a;border:1px solid #29455d;border-radius:13px;padding:14px;min-width:0;box-shadow:0 5px 20px #0002}.sectionhead{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:11px}.sectionhead h2{margin:0;font-size:15px;font-weight:750}.tag{font-size:10px;font-weight:700;color:#83c9ef;background:#203e59;border-radius:6px;padding:6px 8px;white-space:nowrap}.physical{display:flex;flex-direction:column}.machine{position:relative;min-height:0;background:#fff;border-radius:9px;display:flex;justify-content:center;align-items:center;overflow:hidden;flex:1}.machine img{width:100%;height:100%;object-fit:contain;max-height:295px}.machine-status{position:absolute;bottom:4px;left:4px;right:4px;background:#10273de8;color:#dcf1ff;text-align:center;font-size:11px;padding:6px;border-radius:5px}.readings{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;margin-top:8px}.reading{padding:8px 5px;background:#1c3b56;border-radius:7px;text-align:center}.reading span{display:block;color:#a2c4de;font-size:10px}.reading strong{display:block;font-size:15px;margin-top:3px;font-variant-numeric:tabular-nums}.note{font-size:10px;color:#abc0d4;margin:7px 0 0;line-height:1.4}.mode-info{color:#aacce5;background:#19364f;border-left:3px solid #5cc4ff;padding:9px 11px;font-size:12px;line-height:1.5;border-radius:5px;margin-bottom:10px}.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.field{display:flex;flex-direction:column;min-width:0;gap:4px}.field label{color:#b8d0e5;font-size:11px}.field input,.field select{border:1px solid #426079;border-radius:6px;color:white;background:#0c2033;padding:9px 7px;min-width:0;width:100%;font-size:13px;outline:none}.field input:focus,.field select:focus{border-color:#76cfff;box-shadow:0 0 0 2px #54b6ef33}.divider{height:1px;background:#2e4961;margin:13px 0}details summary{cursor:pointer;color:#c8e6fd;font-size:12px;margin:0 0 9px}details[open]{padding-bottom:5px}.formula{font-size:12px;color:#b9d9ec;background:#0d2033;padding:10px;border-radius:8px;margin-top:12px;line-height:1.5}.error{padding:10px;margin-top:10px;border:1px solid #e08772;background:#59312b;border-radius:7px;font-size:12px}.plot{min-height:220px;background:#091d30;border-radius:8px;display:flex;align-items:center;justify-content:center;overflow:hidden}.plot svg{width:100%;height:auto;max-height:270px}.legend{display:flex;flex-wrap:wrap;gap:9px;margin-top:10px;font-size:11px;color:#cfdeeb}.legend span::before{content:'●';color:var(--c);padding-right:4px}.explain{font-size:11px;color:#bed2e3;line-height:1.5;margin-top:8px}.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.metric{border:1px solid #30516b;background:#1c3852;border-radius:8px;padding:12px 7px;min-width:0}.metric span{display:block;font-size:10px;color:#aac7dd}.metric strong{display:block;font-size:18px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:6px;font-variant-numeric:tabular-nums}.metric small{font-size:10px;color:#b8d7e7}.comparison{width:100%;border-collapse:collapse;margin-top:12px;font-size:11px}.comparison th,.comparison td{text-align:right;border-bottom:1px solid #2e4c63;padding:7px 4px}.comparison th:first-child,.comparison td:first-child{text-align:left}.comparison th{color:#8acfff}.muted{color:#95b6cc}footer{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:10px 3px;color:#809fb8;font-size:10px}@media(min-width:1250px) and (min-height:800px){.workspace{grid-template-rows:minmax(405px,1fr) minmax(305px,.8fr)}.machine img{max-height:340px}}@media(max-width:1000px){.workspace{grid-template-columns:1fr;grid-template-rows:auto}.machine img{max-height:350px}.mast{align-items:flex-start}.metric-grid{grid-template-columns:repeat(4,1fr)}}@media(max-width:650px){.shell{padding:9px}.mast{flex-direction:column}.header-tools{width:100%;justify-content:space-between}.tabs button span{display:block;margin:2px 0 0;font-size:9px}.tabs button{font-size:13px;padding:9px 3px}.panel{padding:10px}.metric-grid,.readings{grid-template-columns:repeat(2,1fr)}.metric strong{font-size:17px}}

/* MASTER 4: desktop single viewport; no document scroll. Nested scrolling only at short viewport heights. */
@media (min-width:1001px){
 html,body{height:100%;overflow:hidden}
 .shell{height:100dvh;max-height:100dvh;display:grid;grid-template-rows:auto auto minmax(0,1fr);gap:6px;padding:8px 16px}
 .mast{padding:0 5px 3px;min-height:54px}.mast h1{font-size:23px}.mast p{font-size:11px;margin:0}
 .tabs{margin:0;gap:6px}.tabs button{padding:7px 4px;font-size:13px}.tabs button span{font-size:10px}
 .workspace{min-height:0;grid-template-rows:minmax(0,1.08fr) minmax(0,.92fr);gap:7px}
 .panel{min-height:0;overflow:auto;padding:9px 11px;scrollbar-width:thin;scrollbar-color:#3c6583 transparent}
 .sectionhead{margin-bottom:6px}.sectionhead h2{font-size:13px}.tag{padding:4px 6px;font-size:9px}
 .physical{overflow:hidden}.physical .machine{min-height:0;flex:1}.machine img{max-height:none;width:100%;height:100%;object-fit:contain}
 .machine-status{font-size:9px;padding:3px;bottom:2px}
 .readings{margin-top:5px;gap:5px}.reading{padding:4px 3px}.reading span{font-size:9px}.reading strong{font-size:12px;margin-top:1px}
 .note{margin:4px 0 0;font-size:9px;line-height:1.2}
 .mode-info{padding:6px 8px;font-size:10px;line-height:1.3;margin-bottom:6px}
 .field-grid{gap:5px}.field{gap:2px}.field label{font-size:10px}.field input,.field select{padding:5px 6px;font-size:12px;height:29px}
 .divider{margin:8px 0}details summary{font-size:11px;margin-bottom:5px}.formula{font-size:10px;padding:7px;margin-top:6px;line-height:1.35}
 .plot{min-height:0;height:clamp(115px,21vh,190px)}.plot svg{height:100%;max-height:100%;width:100%}
 .legend{margin-top:5px;gap:5px;font-size:10px}.explain{margin-top:4px;font-size:10px;line-height:1.3}
 .metric-grid{gap:5px}.metric{padding:6px 6px}.metric span{font-size:9px}.metric strong{font-size:14px;margin-top:3px}.metric small{font-size:9px}
 .comparison{margin-top:5px;font-size:10px}.comparison th,.comparison td{padding:4px}
 footer{display:none}
}
@media (min-width:1001px) and (max-height:710px){
 .shell{padding:5px 12px;gap:4px}.mast{min-height:43px}.mast p{display:none}.tabs button{padding:5px 4px}.workspace{grid-template-rows:minmax(0,1fr) minmax(0,1fr)}.plot{height:135px}
}

/* MASTER 4 v3: compact chart/table in the available lower-right viewport. */
@media (min-width:1001px){
 .workspace{grid-template-rows:minmax(0,1.02fr) minmax(0,.98fr)}
 .diagram{display:flex;flex-direction:column;overflow:hidden}
 .diagram .plot{height:auto;min-height:0;flex:1;max-height:none}
 .diagram .plot svg{width:100%;height:100%;max-height:100%;object-fit:contain}
 .diagram .legend{flex:0 0 auto;gap:4px 10px;font-size:10px}
 .diagram .explain{flex:0 0 auto;font-size:10px}
 .metrics{display:flex;flex-direction:column;overflow:hidden}
 .metrics .metric-grid{flex:0 0 auto}
 .metrics #comparison{min-height:0;flex:1;display:flex;flex-direction:column}
 body[data-mode="C"] .metrics .metric,
 body[data-mode="E"] .metrics .metric{padding:4px 6px}
 body[data-mode="C"] .metrics .metric strong,
 body[data-mode="E"] .metrics .metric strong{font-size:13px;margin-top:1px}
 body[data-mode="C"] .metrics .metric span,
 body[data-mode="E"] .metrics .metric span{font-size:9px}
 body[data-mode="C"] .metrics .metric small,
 body[data-mode="E"] .metrics .metric small{font-size:9px}
 body[data-mode="C"] .metrics .metric-grid,
 body[data-mode="E"] .metrics .metric-grid{gap:3px}
 .metrics .chart-subtitle{font-size:13px;line-height:1.1;margin:5px 0 0;flex:0 0 auto}
 body[data-mode="C"] .metrics #comparison svg{display:block;flex:1;min-height:0;width:100%;height:100%;max-height:175px}
 body[data-mode="E"] .metrics .comparison{flex:1;width:100%;height:100%;margin:4px 0 0;table-layout:fixed;font-size:10px}
 body[data-mode="E"] .metrics .comparison th,
 body[data-mode="E"] .metrics .comparison td{padding:2px 5px;line-height:1.14}
 body[data-mode="E"] .metrics .comparison th:first-child{width:36%}
}