/* ============================================================
   Sahreej v2 — Sudan Fuel Operations
   A control-room identity: deep navy chrome framing a light work
   surface, industrial green for action, energy orange for the things
   that burn attention. Fuel-grade hues are a fixed categorical set,
   validated for colour-vision deficiency in BOTH schemes — they carry
   meaning on every chart and gauge, so they are not decoration.
   ============================================================ */
:root{
  /* the navy chrome stays navy in both schemes on purpose */
  --rail-bg:#0A1929; --rail-bg-2:#06111C; --rail-ink:#C8D6E4; --rail-ink-dim:#7A92A8;
  --rail-active:rgba(255,255,255,.09); --rail-line:rgba(255,255,255,.10);

  --brand:#0E7A56; --brand-ink:#FFFFFF; --brand-soft:#E2F1EB; --brand-line:#B4DACA;
  --energy:#D9631A; --energy-soft:#FCEBE0; --energy-ink:#FFFFFF;
  --hazard:#C2410C; --hazard-soft:#FBE8DE;

  --good:#0E7A56; --good-soft:#E2F1EB;
  --warn:#B0730B; --warn-soft:#FAF0DA;
  --crit:#C0392B; --crit-soft:#FBE7E4;
  --info:#1F6DA8; --info-soft:#E4EEF6;

  --f-gasoline:#C2661A; --f-diesel:#1F6DA8; --f-kerosene:#3F8A2B; --f-lpg:#9B3B86;
  --f-gasoline-soft:#FAEBDD; --f-diesel-soft:#E4EEF6; --f-kerosene-soft:#E7F1E2; --f-lpg-soft:#F4E6F0;

  --canvas:#EFF3F7; --surface:#FFFFFF; --surface-2:#F6F9FC; --surface-3:#E8EEF4;
  --line:#DBE3EC; --line-2:#C2CEDB;
  --ink:#0B1826; --ink-2:#35485C; --ink-3:#64788C; --ink-4:#8FA1B3;

  --shadow-s:0 1px 2px rgba(11,24,38,.07);
  --shadow-m:0 10px 26px -14px rgba(11,24,38,.28),0 2px 6px -2px rgba(11,24,38,.08);
  --shadow-l:0 30px 64px -28px rgba(11,24,38,.36);
  --grid-line:rgba(11,24,38,.07);
  --focus:0 0 0 3px rgba(14,122,86,.28);

  --font-ui:"IBM Plex Sans","Helvetica Neue",Arial,sans-serif;
  --font-display:"Archivo","IBM Plex Sans",Arial,sans-serif;
  --font-data:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --r-xs:4px; --r-s:8px; --r-m:12px; --r-l:18px; --r-xl:26px; --r-pill:999px;
  --ease:cubic-bezier(.32,.72,.32,1);
  --shell-max:1180px; --rail-w:238px;
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){
  --rail-bg:#060F18; --rail-bg-2:#040A11; --rail-ink:#C0D0DE; --rail-ink-dim:#71879B;
  --rail-active:rgba(255,255,255,.07); --rail-line:rgba(255,255,255,.08);
  --brand:#2FA37B; --brand-ink:#04231A; --brand-soft:#0C2A21; --brand-line:#1B4A3A;
  --energy:#F2853C; --energy-soft:#33190C; --energy-ink:#1A0B03;
  --hazard:#F07A45; --hazard-soft:#33190F;
  --good:#2FA37B; --good-soft:#0C2A21; --warn:#D8A340; --warn-soft:#2C2210;
  --crit:#E27567; --crit-soft:#2F1714; --info:#5A9BD4; --info-soft:#0F2334;
  --f-gasoline:#D07A2E; --f-diesel:#4189C4; --f-kerosene:#4E9E38; --f-lpg:#B2529C;
  --f-gasoline-soft:#2B1C0E; --f-diesel-soft:#0F2130; --f-kerosene-soft:#14240F; --f-lpg-soft:#26121F;
  --canvas:#060F18; --surface:#0D1B28; --surface-2:#122232; --surface-3:#1A2E3D;
  --line:#1E3244; --line-2:#2B4256;
  --ink:#E9EFF5; --ink-2:#AEC0CE; --ink-3:#7C92A6; --ink-4:#5A7387;
  --shadow-s:0 1px 2px rgba(0,0,0,.55); --shadow-m:0 12px 30px -16px rgba(0,0,0,.8);
  --shadow-l:0 32px 66px -30px rgba(0,0,0,.9);
  --grid-line:rgba(233,239,245,.09);
  --focus:0 0 0 3px rgba(47,163,123,.35);
}}
:root[data-theme="dark"]{
  --rail-bg:#060F18; --rail-bg-2:#040A11; --rail-ink:#C0D0DE; --rail-ink-dim:#71879B;
  --rail-active:rgba(255,255,255,.07); --rail-line:rgba(255,255,255,.08);
  --brand:#2FA37B; --brand-ink:#04231A; --brand-soft:#0C2A21; --brand-line:#1B4A3A;
  --energy:#F2853C; --energy-soft:#33190C; --energy-ink:#1A0B03;
  --hazard:#F07A45; --hazard-soft:#33190F;
  --good:#2FA37B; --good-soft:#0C2A21; --warn:#D8A340; --warn-soft:#2C2210;
  --crit:#E27567; --crit-soft:#2F1714; --info:#5A9BD4; --info-soft:#0F2334;
  --f-gasoline:#D07A2E; --f-diesel:#4189C4; --f-kerosene:#4E9E38; --f-lpg:#B2529C;
  --f-gasoline-soft:#2B1C0E; --f-diesel-soft:#0F2130; --f-kerosene-soft:#14240F; --f-lpg-soft:#26121F;
  --canvas:#060F18; --surface:#0D1B28; --surface-2:#122232; --surface-3:#1A2E3D;
  --line:#1E3244; --line-2:#2B4256;
  --ink:#E9EFF5; --ink-2:#AEC0CE; --ink-3:#7C92A6; --ink-4:#5A7387;
  --shadow-s:0 1px 2px rgba(0,0,0,.55); --shadow-m:0 12px 30px -16px rgba(0,0,0,.8);
  --shadow-l:0 32px 66px -30px rgba(0,0,0,.9);
  --grid-line:rgba(233,239,245,.09);
  --focus:0 0 0 3px rgba(47,163,123,.35);
}

*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--canvas);color:var(--ink);font-family:var(--font-ui);
  font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased;overscroll-behavior-y:none}
html[lang="ar"] body{--font-ui:"IBM Plex Sans Arabic","IBM Plex Sans",sans-serif;
  --font-display:"IBM Plex Sans Arabic","Archivo",sans-serif}
h1,h2,h3,h4,h5{font-family:var(--font-display);margin:0;letter-spacing:-.02em;line-height:1.2;text-wrap:balance}
p{margin:0}
a{color:var(--brand);text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:var(--r-xs)}
.num,.mono{font-variant-numeric:tabular-nums}
.mono{font-family:var(--font-data)}
/* A measurement is a single LTR run ("3,976.4 L", "+249 91…"). Isolating it keeps
   the number, its unit and its sign together when the page flips to Arabic. */
.mono,.num,td.n{direction:ltr;unicode-bidi:isolate}
/* Values that sit in running Arabic keep the page direction; isolating them is
   enough to stop "38 L" being reordered into "L 38". */
.kpi .v,.receipt .line span:last-child{unicode-bidi:isolate}
[dir="rtl"] td.n,[dir="rtl"] th[style*="end"]{text-align:left}
@media (prefers-reduced-motion: reduce){*{animation-duration:.001ms!important;transition-duration:.001ms!important}}

/* ---------- app chrome ---------- */
.topbar{position:sticky;top:0;z-index:60;background:color-mix(in srgb,var(--canvas) 90%,transparent);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line);display:flex;align-items:center;
  gap:12px;padding:9px 16px;min-height:52px}
.mark{display:flex;align-items:center;gap:9px;font-family:var(--font-display);font-weight:700;
  letter-spacing:-.03em;font-size:15px}
.mark small{display:block;font-family:var(--font-ui);font-weight:500;font-size:10px;letter-spacing:.09em;
  text-transform:uppercase;color:var(--ink-3);line-height:1.2}
.glyph{width:28px;height:28px;border-radius:9px;background:var(--brand);display:grid;place-items:center;
  flex:none;color:var(--brand-ink)}
.spacer{flex:1}
.seg{display:flex;background:var(--surface-3);border:1px solid var(--line);border-radius:var(--r-pill);padding:2px}
.seg button{border:0;background:transparent;padding:5px 11px;border-radius:var(--r-pill);font-size:12px;
  font-weight:500;color:var(--ink-3);cursor:pointer;transition:.18s var(--ease)}
.seg button[aria-pressed="true"]{background:var(--surface);color:var(--ink);box-shadow:var(--shadow-s)}
.shell{max-width:var(--shell-max);margin:0 auto;padding:18px 16px 96px}
.shell.wide{max-width:1480px}

/* console sidebar layout */
.console{display:grid;grid-template-columns:206px minmax(0,1fr);gap:0;max-width:1480px;margin:0 auto;
  min-height:calc(100vh - 52px)}
.side{border-inline-end:1px solid var(--line);padding:16px 10px;position:sticky;top:52px;
  height:calc(100vh - 52px);overflow-y:auto}
.side .grp{font-size:9.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-4);
  font-weight:600;padding:14px 10px 5px}
.side a{display:flex;align-items:center;gap:9px;padding:7px 10px;border-radius:var(--r-s);
  font-size:13px;color:var(--ink-2);transition:.15s var(--ease);cursor:pointer}
.side a:hover{background:var(--surface-3);color:var(--ink)}
.side a.on{background:var(--brand-soft);color:var(--brand);font-weight:600}
.main{min-width:0;padding:20px 22px 90px}
@media (max-width:900px){
  .console{grid-template-columns:1fr}
  .side{position:static;height:auto;border-inline-end:0;border-bottom:1px solid var(--line);
    display:flex;gap:6px;overflow-x:auto;padding:10px 12px}
  .side .grp{display:none}
  .side a{white-space:nowrap;border:1px solid var(--line);background:var(--surface)}
  .main{padding:16px 14px 90px}
}

/* ---------- page furniture ---------- */
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:18px}
.page-head h1{font-size:clamp(20px,2.6vw,28px);font-weight:700}
.page-head .sub{color:var(--ink-3);font-size:13.5px;margin-top:3px}
.eyebrow{font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--brand);font-weight:600}
.grid{display:grid;gap:12px}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(232px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
.split{display:grid;gap:14px;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr)}
@media (max-width:860px){.split{grid-template-columns:1fr}}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden}
.panel-h{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 14px;
  border-bottom:1px solid var(--line);flex-wrap:wrap}
.panel-h b{font-size:13px;font-weight:600}
.panel-h span{font-size:11px;color:var(--ink-3)}
.panel-b{padding:14px;display:flex;flex-direction:column;gap:12px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);padding:14px}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);padding:12px 14px;
  display:flex;flex-direction:column;gap:2px}
.kpi .k{font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-4);font-weight:600}
.kpi .v{font-family:var(--font-display);font-size:23px;font-weight:600;letter-spacing:-.035em;
  font-variant-numeric:tabular-nums;line-height:1.15}
.kpi .v small{font-size:12px;color:var(--ink-3);font-weight:500;letter-spacing:0}
.kpi .d{font-size:10.5px;color:var(--ink-3)}
.up{color:var(--good)} .down{color:var(--crit)}

/* ---------- controls ---------- */
.btn{border:0;border-radius:var(--r-m);background:var(--brand);color:var(--brand-ink);font-weight:600;
  padding:11px 16px;font-size:13.5px;cursor:pointer;display:inline-flex;align-items:center;
  justify-content:center;gap:8px;letter-spacing:-.01em;transition:.15s var(--ease);min-height:44px}
.btn:hover{filter:brightness(1.06)}
.btn:active{transform:translateY(1px)}
.btn[disabled]{background:var(--surface-3);color:var(--ink-4);cursor:not-allowed;transform:none;filter:none}
.btn.block{width:100%}
.btn.ghost{background:var(--surface);color:var(--ink);border:1px solid var(--line-2)}
.btn.soft{background:var(--brand-soft);color:var(--brand)}
.btn.danger{background:var(--hazard);color:#fff}
.btn.sm{padding:7px 12px;font-size:12.5px;border-radius:var(--r-s);min-height:34px}
.btn.lg{padding:15px 20px;font-size:15px;min-height:52px}
.chip{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:var(--r-pill);
  font-size:10.5px;font-weight:600;background:var(--surface-3);color:var(--ink-2);white-space:nowrap}
.chip i{width:5px;height:5px;border-radius:50%;background:currentColor;flex:none}
.chip.good{background:var(--good-soft);color:var(--good)}
.chip.warn{background:var(--warn-soft);color:var(--warn)}
.chip.crit{background:var(--crit-soft);color:var(--crit)}
.chip.info{background:var(--info-soft);color:var(--info)}
.chip.brand{background:var(--brand-soft);color:var(--brand)}
.chip.tap{cursor:pointer}
.grade{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600}
.grade::before{content:"";width:9px;height:9px;border-radius:2px;background:var(--g,var(--ink-3))}
.g-gasoline{--g:var(--f-gasoline)} .g-diesel{--g:var(--f-diesel)} .g-kerosene{--g:var(--f-kerosene)}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:10px;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-4);font-weight:600}
.input{border:1px solid var(--line-2);border-radius:var(--r-m);padding:11px 13px;background:var(--surface);
  font-size:14px;width:100%;min-height:44px}
.input:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft);outline:none}
.help{font-size:11.5px;color:var(--ink-3)}
.err{font-size:12px;color:var(--crit)}
.row{display:flex;align-items:center;gap:10px}
.between{display:flex;align-items:center;justify-content:space-between;gap:10px}
.stack{display:flex;flex-direction:column}
.gap4{gap:4px}.gap6{gap:6px}.gap8{gap:8px}.gap10{gap:10px}.gap12{gap:12px}.gap16{gap:16px}
.wrap{flex-wrap:wrap}
.muted{color:var(--ink-3);font-size:12.5px}
.tiny{font-size:11px;color:var(--ink-3)}
.divider{height:1px;background:var(--line)}
.dashed{border-top:1px dashed var(--line-2)}

/* selectable option row */
.opt{border:1px solid var(--line);border-radius:var(--r-m);padding:12px;display:flex;align-items:center;
  gap:12px;background:var(--surface);cursor:pointer;transition:.15s var(--ease);width:100%;text-align:start}
.opt:hover{border-color:var(--line-2)}
.opt.on{border-color:var(--brand);background:var(--brand-soft);box-shadow:inset 0 0 0 1px var(--brand)}
.opt .ic{width:34px;height:34px;border-radius:var(--r-s);background:var(--surface-3);display:grid;
  place-items:center;flex:none;color:var(--ink-2)}
.opt.on .ic{background:var(--surface);color:var(--brand)}
.opt .radio{width:17px;height:17px;border-radius:50%;border:1.5px solid var(--line-2);flex:none;
  display:grid;place-items:center}
.opt.on .radio{border-color:var(--brand);background:var(--brand)}
.opt.on .radio::after{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-ink)}

/* ---------- tables ---------- */
.tblwrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:12.5px}
th{text-align:start;font-size:9.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-4);
  font-weight:600;padding:9px 12px;border-bottom:1px solid var(--line);white-space:nowrap;background:var(--surface-2)}
td{padding:10px 12px;border-bottom:1px solid var(--line);color:var(--ink-2);vertical-align:middle}
tr:last-child td{border-bottom:0}
td.strong{color:var(--ink);font-weight:500}
td.n{font-variant-numeric:tabular-nums;text-align:end;font-family:var(--font-data)}
tbody tr:hover{background:var(--surface-2)}
.sev{position:relative}
.sev::before{content:"";position:absolute;inset-inline-start:0;top:0;bottom:0;width:3px;background:var(--sv,transparent)}
.sev.crit{--sv:var(--crit)} .sev.warn{--sv:var(--warn)} .sev.good{--sv:var(--good)} .sev.info{--sv:var(--info)}

/* ---------- feedback ---------- */
.toast-host{position:fixed;inset-inline:0;bottom:20px;display:flex;flex-direction:column;align-items:center;
  gap:8px;z-index:200;pointer-events:none;padding:0 14px}
.toast{display:flex;gap:10px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);
  border-inline-start:3px solid var(--tc,var(--brand));border-radius:var(--r-m);padding:11px 14px;
  box-shadow:var(--shadow-m);max-width:460px;width:100%;pointer-events:auto;
  animation:rise .22s var(--ease)}
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.toast .tt{font-size:13px;font-weight:600}
.toast .tb{font-size:12px;color:var(--ink-3)}
.toast.good{--tc:var(--good)} .toast.warn{--tc:var(--warn)} .toast.crit{--tc:var(--crit)}
.empty{border:1px solid var(--line);border-radius:var(--r-m);background:var(--surface);padding:26px 18px;
  display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px}
.empty .il{width:46px;height:46px;border-radius:var(--r-m);display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand)}
.empty b{font-size:13.5px}
.empty p{font-size:12.5px;color:var(--ink-3);max-width:34ch}
.skel{background:linear-gradient(90deg,var(--surface-3) 25%,var(--surface-2) 37%,var(--surface-3) 63%);
  background-size:400% 100%;animation:sh 1.4s linear infinite;border-radius:var(--r-xs);height:14px}
@keyframes sh{0%{background-position:100% 0}100%{background-position:0 0}}
.bar{height:8px;border-radius:4px;background:var(--surface-3);overflow:hidden}
.bar span{display:block;height:100%;border-radius:4px;background:var(--brand);transition:width .3s var(--ease)}

/* ---------- receipt block: the price split, everywhere ---------- */
.receipt{font-family:var(--font-data);font-size:12.5px;font-variant-numeric:tabular-nums;
  display:flex;flex-direction:column;gap:7px}
.receipt .line{display:flex;justify-content:space-between;gap:12px}
.receipt .total{font-family:var(--font-display);font-size:16px;font-weight:600;color:var(--ink)}
.receipt .neg{color:var(--good)}

/* ---------- mobile shell ---------- */
.mobile{max-width:520px;margin:0 auto;padding:14px 16px 92px}
.tabbar{position:fixed;inset-inline:0;bottom:0;z-index:70;background:var(--surface);
  border-top:1px solid var(--line);display:flex;padding:6px 6px calc(8px + env(safe-area-inset-bottom))}
.tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;font-size:10px;
  color:var(--ink-4);font-weight:500;padding:4px 0;cursor:pointer;min-height:48px;justify-content:center}
.tabbar a.on{color:var(--brand)}
.hero{border-radius:var(--r-l);border:1px solid var(--brand-line);
  background:linear-gradient(180deg,var(--brand-soft),var(--surface));padding:16px}
.steps{display:flex;gap:6px;margin-bottom:14px}
.steps i{height:3px;border-radius:2px;background:var(--surface-3);flex:1}
.steps i.on{background:var(--brand)}
.meter{background:var(--ink);color:#fff;border-radius:var(--r-m);padding:18px 14px;text-align:center}
.meter .big{font-family:var(--font-data);font-size:44px;font-weight:500;letter-spacing:-.02em;line-height:1.05}
.meter .cap{font-size:10px;letter-spacing:.12em;text-transform:uppercase;opacity:.6}
.otpbox{display:flex;gap:8px}
.otpbox input{flex:1;height:52px;border:1px solid var(--line-2);border-radius:var(--r-s);text-align:center;
  font-family:var(--font-data);font-size:22px;background:var(--surface)}
.checkline{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid var(--line);
  border-radius:var(--r-m);background:var(--surface);cursor:pointer;min-height:52px}
.checkline .box{width:26px;height:26px;border-radius:var(--r-s);border:2px solid var(--line-2);flex:none;
  display:grid;place-items:center;color:transparent}
.checkline.on{border-color:var(--good)}
.checkline.on .box{background:var(--good);border-color:var(--good);color:#fff}
.gauge{display:flex;align-items:flex-end;gap:3px;height:56px}

/* offline / sync banner */
.banner{display:flex;align-items:center;gap:10px;padding:9px 13px;border-radius:var(--r-s);
  font-size:12.5px;background:var(--warn-soft);color:var(--warn);font-weight:500}
.banner.crit{background:var(--crit-soft);color:var(--crit)}
.banner.brand{background:var(--brand-soft);color:var(--brand)}

/* charts */
.chart{direction:ltr}
.chart text{font-family:var(--font-ui);font-size:9.5px;fill:var(--ink-3)}
.chart .gl{stroke:var(--grid-line);stroke-width:1}
.chart .axis{stroke:var(--line-2);stroke-width:1}
.chart .val{font-family:var(--font-data);font-size:9.5px;fill:var(--ink-2)}
.legend{display:flex;flex-wrap:wrap;gap:12px;font-size:11px;color:var(--ink-2);align-items:center}
.legend b{display:flex;align-items:center;gap:5px;font-weight:500}
.legend b i{width:9px;height:9px;border-radius:2px;display:block}
.legend b.ln i{height:3px;width:14px;border-radius:2px}
.map{border-radius:var(--r-m);overflow:hidden;border:1px solid var(--line);background:var(--surface-3)}

/* ============================================================
   v2 — the operations console shell
   A dark navy rail on the inline-start edge, a command bar across the
   top, and a light work surface. The rail is the only always-dark
   region: it frames the work without competing with the data.
   ============================================================ */
.ops{display:grid;grid-template-columns:var(--rail-w) minmax(0,1fr);min-height:100vh}
.ops-rail{background:linear-gradient(180deg,var(--rail-bg) 0%,var(--rail-bg-2) 100%);
  color:var(--rail-ink);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow:hidden}
.ops-brand{display:flex;align-items:center;gap:10px;padding:16px 16px 14px;
  border-bottom:1px solid var(--rail-line);flex:none}
.ops-brand .glyph{width:32px;height:32px;border-radius:9px;background:var(--brand);
  display:grid;place-items:center;color:#fff;flex:none}
.ops-brand b{font-family:var(--font-display);font-size:14.5px;letter-spacing:-.02em;color:#fff;display:block;line-height:1.2}
.ops-brand small{font-size:9.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--rail-ink-dim)}
.ops-nav{flex:1;overflow-y:auto;padding:10px 10px 20px;scrollbar-width:thin}
.ops-nav::-webkit-scrollbar{width:6px}
.ops-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:3px}
.ops-grp{font-size:9px;letter-spacing:.15em;text-transform:uppercase;color:var(--rail-ink-dim);
  font-weight:600;padding:16px 10px 6px}
.ops-nav a{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--r-s);
  color:var(--rail-ink);text-decoration:none;font-size:13px;position:relative;
  transition:background .14s var(--ease),color .14s var(--ease)}
.ops-nav a:hover{background:var(--rail-active);color:#fff}
.ops-nav a.on{background:var(--rail-active);color:#fff;font-weight:600}
.ops-nav a.on::before{content:"";position:absolute;inset-inline-start:0;top:7px;bottom:7px;
  width:3px;border-radius:0 3px 3px 0;background:var(--brand)}
.ops-nav a .count{margin-inline-start:auto;font-size:10px;font-weight:700;padding:1px 6px;
  border-radius:var(--r-pill);background:var(--crit);color:#fff}
.ops-nav a .count.q{background:rgba(255,255,255,.14);color:var(--rail-ink)}
.ops-foot{flex:none;padding:12px;border-top:1px solid var(--rail-line);display:flex;align-items:center;gap:10px}
.ops-foot .who{flex:1;min-width:0}
.ops-foot .who b{display:block;font-size:12px;color:#fff;font-weight:600;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ops-foot .who span{font-size:10px;color:var(--rail-ink-dim)}
.ops-foot button{background:rgba(255,255,255,.08);border:0;color:var(--rail-ink);width:30px;height:30px;
  border-radius:var(--r-s);display:grid;place-items:center;cursor:pointer}
.ops-foot button:hover{background:rgba(255,255,255,.16);color:#fff}

.ops-main{min-width:0;display:flex;flex-direction:column;background:var(--canvas)}
.ops-bar{position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:12px;
  padding:10px 20px;background:color-mix(in srgb,var(--canvas) 92%,transparent);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line);min-height:56px}
.ops-bar h1{font-family:var(--font-display);font-size:17px;font-weight:700;letter-spacing:-.025em}
.ops-bar .crumb{font-size:11px;color:var(--ink-3)}
.ops-search{flex:1;max-width:420px;display:flex;align-items:center;gap:8px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-s);padding:7px 11px;color:var(--ink-3);
  font-size:12.5px;cursor:pointer;transition:.15s var(--ease)}
.ops-search:hover{border-color:var(--line-2)}
.ops-search kbd{margin-inline-start:auto;font-family:var(--font-data);font-size:10px;
  background:var(--surface-3);border-radius:var(--r-xs);padding:1px 5px;color:var(--ink-4)}
.ops-body{padding:20px;display:flex;flex-direction:column;gap:16px;flex:1}
.ops-body.wide{padding:20px 24px 90px}
@media (max-width:980px){
  .ops{grid-template-columns:1fr}
  .ops-rail{position:static;height:auto;flex-direction:row;align-items:center;overflow-x:auto}
  .ops-brand{border-bottom:0;border-inline-end:1px solid var(--rail-line)}
  .ops-nav{display:flex;gap:6px;padding:10px;overflow-x:auto}
  .ops-grp,.ops-foot{display:none}
  .ops-nav a{white-space:nowrap}
  .ops-nav a.on::before{display:none}
  .ops-bar{padding:10px 14px}
  .ops-body{padding:14px}
}

/* ---------- KPI tile with trend and sparkline ---------- */
.tiles{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
/* Seven figures do not divide into a grid: laid out on twelve columns they fill
   two rows exactly (4x3 then 3x4) instead of leaving one tile stranded alone. */
@media (min-width:1180px){
  .tiles.seven{grid-template-columns:repeat(12,minmax(0,1fr))}
  .tiles.seven > *:nth-child(-n+4){grid-column:span 3}
  .tiles.seven > *:nth-child(n+5){grid-column:span 4}
}
.tile2{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  padding:14px 15px 10px;display:flex;flex-direction:column;gap:6px;position:relative;overflow:hidden;
  transition:box-shadow .16s var(--ease),transform .16s var(--ease)}
.tile2:hover{box-shadow:var(--shadow-m)}
.tile2 .k{font-size:9.5px;letter-spacing:.11em;text-transform:uppercase;color:var(--ink-4);font-weight:600;
  display:flex;align-items:center;gap:6px}
.tile2 .v{font-family:var(--font-display);font-size:27px;font-weight:700;letter-spacing:-.04em;
  line-height:1.05;font-variant-numeric:tabular-nums;display:flex;align-items:baseline;gap:5px}
.tile2 .v small{font-size:12px;font-weight:500;color:var(--ink-3);letter-spacing:0}
.tile2 .foot{display:flex;align-items:center;gap:8px;font-size:11px;color:var(--ink-3);margin-top:auto}
.tile2 .spark{margin:2px -15px -10px;display:block;width:calc(100% + 30px)}
.delta{display:inline-flex;align-items:center;gap:3px;font-weight:600;font-size:11px;
  padding:1px 6px;border-radius:var(--r-pill)}
.delta.up{background:var(--good-soft);color:var(--good)}
.delta.down{background:var(--crit-soft);color:var(--crit)}
.delta.flat{background:var(--surface-3);color:var(--ink-3)}
.delta.plain{background:var(--surface-3);color:var(--ink-2)}
.tile2.alarm{border-color:var(--crit)}
.tile2.alarm .v{color:var(--crit)}
.tile2.watch{border-color:var(--warn)}

/* live pulse for anything reading from the field right now */
.live{display:inline-flex;align-items:center;gap:5px;font-size:10px;color:var(--good);font-weight:600}
.live i{width:6px;height:6px;border-radius:50%;background:var(--good);animation:pulse 2s var(--ease) infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.8)}}

/* ---------- alert feed ---------- */
.feed{display:flex;flex-direction:column}
.feed-item{display:flex;gap:11px;padding:12px 14px;border-bottom:1px solid var(--line);
  align-items:flex-start;position:relative}
.feed-item:last-child{border-bottom:0}
.feed-item::before{content:"";position:absolute;inset-inline-start:0;top:0;bottom:0;width:3px;background:var(--sv,transparent)}
.feed-item.crit{--sv:var(--crit)} .feed-item.warn{--sv:var(--warn)} .feed-item.info{--sv:var(--info)}
.feed-ic{width:28px;height:28px;border-radius:var(--r-s);display:grid;place-items:center;flex:none}
.feed-item .tt{font-size:12.5px;font-weight:600;line-height:1.35}
.feed-item .tb{font-size:11.5px;color:var(--ink-3);line-height:1.45;margin-top:2px}
.feed-item .when{font-size:10px;color:var(--ink-4);font-family:var(--font-data);margin-top:4px}

/* ---------- Fuel Intelligence ---------- */
.insight{border:1px solid var(--line);border-radius:var(--r-m);background:var(--surface);
  padding:13px 14px;display:flex;gap:11px;align-items:flex-start}
.insight .ic{width:30px;height:30px;border-radius:var(--r-s);flex:none;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand)}
.insight.energy .ic{background:var(--energy-soft);color:var(--energy)}
.insight.crit .ic{background:var(--crit-soft);color:var(--crit)}
.insight b{font-size:12.5px;display:block;line-height:1.35}
.insight p{font-size:11.5px;color:var(--ink-3);line-height:1.5;margin-top:3px}
.insight .why{font-size:10.5px;color:var(--ink-4);margin-top:5px;font-family:var(--font-data)}
.conf{font-size:10px;font-weight:700;padding:1px 6px;border-radius:var(--r-pill);
  background:var(--surface-3);color:var(--ink-2);white-space:nowrap}

/* ---------- command palette ---------- */
.cmdk{position:fixed;inset:0;z-index:200;background:rgba(6,17,28,.5);backdrop-filter:blur(3px);
  display:flex;align-items:flex-start;justify-content:center;padding:12vh 16px 16px}
.cmdk[hidden]{display:none}
.cmdk-box{width:100%;max-width:560px;background:var(--surface);border:1px solid var(--line-2);
  border-radius:var(--r-l);box-shadow:var(--shadow-l);overflow:hidden;animation:drop .16s var(--ease)}
@keyframes drop{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
.cmdk-in{width:100%;border:0;border-bottom:1px solid var(--line);padding:15px 18px;font-size:15px;
  background:transparent;color:var(--ink);outline:none}
.cmdk-list{max-height:52vh;overflow-y:auto;padding:6px}
.cmdk-grp{font-size:9px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-4);
  font-weight:600;padding:10px 12px 4px}
.cmdk-row{display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:var(--r-s);cursor:pointer}
.cmdk-row[aria-selected="true"]{background:var(--brand-soft)}
.cmdk-row .ic{width:26px;height:26px;border-radius:var(--r-xs);background:var(--surface-3);
  display:grid;place-items:center;color:var(--ink-2);flex:none}
.cmdk-row b{font-size:13px;font-weight:600;display:block}
.cmdk-row span{font-size:11px;color:var(--ink-3)}
.cmdk-row .go{margin-inline-start:auto;font-size:10px;color:var(--ink-4);font-family:var(--font-data)}
.cmdk-empty{padding:26px;text-align:center;color:var(--ink-3);font-size:13px}

/* ---------- digital twin ---------- */
.twin{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden}
.twin svg{display:block;width:100%;height:auto}
.twin .node{cursor:pointer;transition:opacity .15s var(--ease)}
.twin .node:hover{opacity:.82}
.flow{stroke-dasharray:5 7;animation:flow 1.4s linear infinite}
@keyframes flow{to{stroke-dashoffset:-24}}
@media (prefers-reduced-motion:reduce){.flow{animation:none}.live i{animation:none}}

/* ---------- misc v2 ---------- */
.section-h{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap}
.section-h h2{font-family:var(--font-display);font-size:15px;font-weight:700;letter-spacing:-.02em}
.section-h .note{font-size:11.5px;color:var(--ink-3)}
.split3{display:grid;gap:14px;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);align-items:start}
@media (max-width:1100px){.split3{grid-template-columns:1fr}}
.stackcards{display:flex;flex-direction:column;gap:10px}