/* Executive engineering theme; existing behavior and roles remain authoritative. */
:root{--bg:#0b1420;--panel:#132232;--edge:#2b4154;--cyan:#56b9dd;--green:#66d5ad;--yellow:#efc366;--red:#ff8490}
body{background:#0b1420;color:#e5edf4;font-family:Inter,"Segoe UI",Arial,sans-serif}
.app{background:radial-gradient(ellipse at 90% 0,#1b3345 0,transparent 45%),#0b1420;max-width:none;gap:12px;padding:12px}
.app>header{background:#122231;border-color:#32485a;border-top:3px solid #d6ab58;box-shadow:0 8px 30px #0002;padding:20px}
.headtitle{letter-spacing:.035em}.subtitle,.crumb{color:#a1b4c4}.headbox{background:#172c3e;border-color:#354d61;border-radius:8px}.headbox b{font-variant-numeric:tabular-nums}
.app>nav{background:#101e2c;border:1px solid #293e50;border-radius:12px;padding:12px}.navitem{color:#b8cbd9;transition:background .15s,color .15s}.navitem:hover{background:#20394d;color:#fff}.navitem.active{background:#244b63;color:#fff;border-left:3px solid #e2b562;border-radius:6px}.nav-group-label{color:#d7b672;letter-spacing:.12em}.dashboard-link small{color:#9fb6c7}
.metric,.lcard,.panel,.chart,.hero{background:#132333;border-color:#2b4356;box-shadow:0 4px 16px #0001;border-radius:10px}.metric{text-align:left;border-top:2px solid #3d647c}.metric label,.lcard label{color:#a9bfce;letter-spacing:.045em}.metric b,.lcard b{font-variant-numeric:tabular-nums;font-weight:650}.panel h3,.chart h4{letter-spacing:.06em;color:#dce8f1}.line{border-color:#2a4052}.ctrl,.btn{background:#1c394d;border-color:#426079;border-radius:7px}.ctrl:hover,.btn:hover{background:#2c5269}.heroDiagramHeader{background:#182c3e;border-color:#355167}.heroDiagramHeading{color:#dbe9f1}.heroDiagramFooter{background:#132333;color:#9fb5c6;border-color:#355167}.kpi-summary{background:#152a3b;border-color:#385266}.kpi-card{background:#192f41;border-color:#355167}.kpi-heading>span{color:#e6bf76}.kpi-card strong{color:#f2f6fa}.footer{color:#9cb1c2;letter-spacing:.06em;padding:10px}.safety b{color:#a7bac9}.r{color:#ff9aa2}.s{color:#efcc7e}.t{color:#81cbed}
button,a,input,select,textarea{touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid #e5bc6c;outline-offset:3px}
@media(max-width:850px){.app{padding:12px;gap:12px}.app>nav{padding:10px}.app>header{padding:14px}.headbox{min-height:52px}.navitem{min-height:44px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* Horizontal workspace layout overrides the legacy sidebar grid in one place. */
.app{max-width:none;width:100%;margin:0;padding:12px;gap:12px;grid-template-columns:minmax(0,1fr) minmax(280px,24%);grid-template-rows:repeat(6,auto);align-content:start;min-height:100dvh}
.app>header{grid-column:1/-1;grid-row:1;padding:12px;gap:10px}
.app>.executive-nav{grid-column:1/-1;grid-row:2;position:sticky;top:0;z-index:100;display:block;max-height:none;overflow:visible;padding:8px;border-radius:10px;box-shadow:0 6px 20px #0003}
html[data-connection-alert="true"] .app>.executive-nav{top:var(--connection-alert-height,80px)}
.nav-menu,.nav-primary{display:flex;align-items:center;flex-wrap:wrap;gap:6px;min-width:0}.nav-primary{flex:1 1 650px}
.executive-nav .navitem,.executive-nav a.navitem{width:auto;min-height:40px!important;padding:9px 12px!important;text-align:center;display:flex!important;align-items:center;justify-content:center;gap:6px;font-size:12px;border-radius:7px;line-height:1.4}
.executive-nav .navitem.active{background:#244b63;border-bottom:2px solid #e2b562;border-left:0}
.nav-dropdown{position:relative;min-width:0}.nav-dropdown summary{cursor:pointer;list-style:none;min-height:40px;padding:10px 12px;border:1px solid #355167;border-radius:7px;font-size:12px;font-weight:600;text-align:center}.nav-dropdown summary::-webkit-details-marker{display:none}.nav-dropdown summary:after{content:' ▾';color:#d7b672}.nav-dropdown[open]>summary{background:#244b63}.nav-dropdown-content{position:absolute;right:0;top:calc(100% + 8px);width:320px;max-width:calc(100vw - 40px);max-height:min(65dvh,650px);overflow:auto;padding:12px;border:1px solid #426079;border-radius:10px;background:#122332;box-shadow:0 16px 36px #0006;z-index:101}.nav-dropdown-content .navitem{width:100%!important}.nav-dropdown-content .nav-group-label{margin:4px 0 10px;text-align:center}.nav-dropdown-content .safety,.nav-dropdown-content .dev{display:block;position:static;margin:0;width:auto;text-align:center}.nav-dropdown-content #dashboardLinks{display:flex;flex-direction:column}.nav-dropdown-content .dashboard-link{flex-direction:column;gap:0}.nav-toggle{display:none}
.app>.metrics{grid-column:1/-1;grid-row:3;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;padding:0}
.app>main{grid-column:1;grid-row:4;grid-template-columns:minmax(140px,17%) minmax(0,1fr);gap:12px;padding:0}
.app>aside{grid-column:2;grid-row:4/6;display:flex;flex-direction:column;gap:12px;padding:0}.app>aside .control{grid-column:auto}
.app>.charts{grid-column:1;grid-row:5;grid-template-columns:repeat(3,minmax(0,1fr));padding:0;gap:12px}.app>.charts .chart:last-child{grid-column:auto}
.app>.footer{grid-column:1/-1;grid-row:6;padding:6px}.app .hero.diagramHero{min-height:440px}.app .heroDiagramFrame{min-height:340px;flex-basis:340px}
.metric,.lcard,.kpi-heading,.kpi-card,.panel h3,.chart h4,.heroDiagramHeading,.heroDiagramFooter,.headbox{text-align:center}.kpi-card{align-items:center;border-left:0;border-top:2px solid #45667e;padding:12px 8px;gap:6px}.kpi-summary{padding:14px;gap:10px;align-items:stretch}.kpi-heading{align-self:center}.metric{display:flex;flex-direction:column;justify-content:center;padding:12px 8px}.metric b{margin-top:6px}.lcard{display:flex;flex-direction:column;justify-content:center}.chart h4{line-height:1.5}.panel .controls button,.btn{ text-align:center}.historyHead h2,.report-header h2,.vm-dialog h2,.centrosModal h2,.config h2{text-align:center}.historyHead,.report-card-head{justify-content:space-between}summary:focus-visible{outline:2px solid #e5bc6c;outline-offset:3px}
.ui-request-status{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);z-index:25000;max-width:calc(100% - 24px);padding:12px 18px;background:#183b32;border:1px solid #66d5ad;border-radius:10px;box-shadow:0 8px 26px #0006;font-size:13px;text-align:center;pointer-events:none}.ui-request-status[data-state=loading]{background:#193247;border-color:#81cbed}.ui-request-status[data-state=error]{background:#492331;border-color:#ff8490}
@keyframes executive-enter{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
.metric,.lcard,.kpi-summary,.panel,.chart{animation:executive-enter .22s ease-out both}.nav-dropdown[open]>.nav-dropdown-content,.config.show,.centrosModal.show,.historyModal.show,.reports-panel,dialog[open]{animation:executive-enter .16s ease-out}.btn,.ctrl,.headbox,.navitem,summary,input,textarea,select{transition:background-color .15s,border-color .15s,box-shadow .15s}.metric:hover,.lcard:hover,.chart:hover{border-color:#56788f}.btn:active,.ctrl:active{box-shadow:inset 0 2px 6px #0005}button:disabled{opacity:.55;cursor:wait}input:focus,textarea:focus,select:focus{border-color:#e5bc6c}
@media(min-width:1600px){.app>.metrics{grid-template-columns:repeat(12,minmax(0,1fr))}.app>main{grid-template-columns:180px minmax(0,1fr)}}
@media(max-width:1200px){.app{grid-template-columns:minmax(0,1fr)}.app>main{grid-column:1;grid-row:4}.app>.charts{grid-column:1;grid-row:5}.app>aside{grid-column:1;grid-row:6;display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.app>.footer{grid-column:1;grid-row:7}.app .kpi-summary{grid-template-columns:repeat(4,minmax(0,1fr))}.app .kpi-heading{grid-column:1/-1}}
@media(max-width:850px){.app{padding:8px;gap:10px}.app>.executive-nav{padding:8px}.nav-toggle{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;min-height:44px;border:1px solid #426079;border-radius:7px;background:#1c394d;color:#e5edf4;font:600 14px 'Segoe UI',sans-serif}.nav-menu,.nav-primary{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.nav-menu{margin-top:8px;max-height:65dvh;overflow:auto;overscroll-behavior:contain}.nav-primary{grid-column:1/-1}.nav-enhanced .nav-toggle[aria-expanded=false]+.nav-menu{display:none}.nav-dropdown{grid-column:1/-1}.nav-dropdown-content{position:static;width:100%;max-width:none;max-height:none;margin-top:6px;box-shadow:none}.app>.metrics{grid-template-columns:repeat(3,minmax(0,1fr))}.app>main{grid-template-columns:minmax(0,1fr)}.app .leftcards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.app>aside{grid-template-columns:repeat(2,minmax(0,1fr))}.app>aside .control{grid-column:1/-1}.app>.charts{grid-template-columns:repeat(2,minmax(0,1fr))}.app>.charts .chart:last-child{grid-column:1/-1}.nav-menu .safety{display:block!important}.app .heroDiagramHeader{justify-content:center;text-align:center}.app .kpi-summary{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:480px){.app>.metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.app .leftcards{grid-template-columns:repeat(2,minmax(0,1fr))}.app>.charts,.app>aside{grid-template-columns:minmax(0,1fr)}.app>aside .control,.app>.charts .chart:last-child{grid-column:auto}.app>header .headbox{flex-basis:calc(50% - 8px)}.app .heroDiagramFrame{min-height:320px;flex-basis:320px}.app .hero.diagramHero{min-height:420px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Three independent chart disclosures in the right-hand column. */
.app>aside{grid-row:4;align-self:start}.app>.footer{grid-row:5}.app>aside>.right-charts{display:flex;flex-direction:column;gap:10px;padding:0;min-width:0}
.chart-disclosure{border:1px solid #355167;border-radius:10px;background:#132333;min-width:0;overflow:hidden}.chart-disclosure>summary{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 12px;min-height:52px;cursor:pointer;font-size:12px;font-weight:650;line-height:1.5;text-align:center;list-style:none}.chart-disclosure>summary::-webkit-details-marker{display:none}.chart-disclosure>summary:after{content:'＋';flex-shrink:0;color:#e5bc6c;font-size:18px}.chart-disclosure[open]>summary:after{content:'−'}.chart-disclosure[open]>summary{background:#1c394d;border-bottom:1px solid #355167}.chart-disclosure .chart{border:0;border-radius:0;box-shadow:none;padding:12px;cursor:pointer}.chart-disclosure .chart:after{display:none}.chart-disclosure canvas{display:block;width:100%;height:180px}.chart-history{display:block;width:100%}
@media(min-width:851px){.app{grid-template-columns:minmax(0,1fr) minmax(300px,26%)}.app>main{grid-column:1;grid-row:4}.app>aside{grid-column:2;grid-row:4;display:flex;flex-direction:column}.app>aside .control{grid-column:auto}.app>.footer{grid-column:1/-1;grid-row:5}}
@media(max-width:850px){.app>aside{grid-column:1;grid-row:5;display:flex;flex-direction:column}.app>.footer{grid-row:6}.chart-disclosure canvas{height:210px}}