/* FuelDesk Bharat — "forecourt at dawn"
   ink petrol-blue, cool paper, brass-amber action, product liveries.
   Signature: totalizer-style mono numerics everywhere a litre or rupee lives. */

:root {
  /* Quiet paper and ink. The accent is a deep slate-teal used sparingly; primary
     actions are ink-filled. Nothing here is meant to read as a flag. */
  --paper:  #f7f5f2;
  --paper2: #eeebe6;
  --paper3: #e4e0da;
  --ink:    #1b1c1e;
  --ink-2:  #4b4e52;
  --ink-3:  #85888d;
  --ink-4:  #b4b7bb;
  --bg:     #f7f5f2;
  --card:   #ffffff;
  --line:   #dbd8d2;

  --amber:      #35625c;   /* accent — deep slate-teal */
  --amber-ink:  #ffffff;
  --amber-bg:   #edf3f2;
  --accent-2:   #2a4f4a;   /* accent, pressed */

  --ms:         #5b6c8f;   /* petrol — muted indigo slate */
  --hsd:        #5f7a63;   /* diesel — muted sage */
  --alert:      #9c3b34;
  --ok:         #3f6b4a;

  --meter-bg: #1b1c1e;
  --meter-fg: #cfd8d6;

  --sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', 'SF Mono', Menlo, monospace;

  --r-sm: 6px; --r: 10px; --r-lg: 16px;
}

* { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--sans); background: var(--bg); color: var(--ink);
  max-width: 520px; margin: 0 auto; min-height: 100dvh;
  padding-bottom: calc(64px + env(safe-area-inset-bottom));
}

/* top bar */
#topbar {
  background: var(--ink); color: #fff; padding: 14px 16px 12px;
  display: flex; justify-content: space-between; align-items: flex-start; gap: 12px;
  position: sticky; top: 0; z-index: 20;
}
.brand { display: flex; gap: 10px; align-items: center; min-width: 0; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 8px; background: var(--amber); color: var(--amber-ink);
  display: grid; place-items: center; font-weight: 700; font-size: 13px; letter-spacing: .5px; flex: none;
}
.outlet { font-weight: 600; font-size: 15px; line-height: 1.2; }
.outlet-sub { font-size: 11.5px; color: #9fb0bd; margin-top: 1px; }
.price-chips { display: flex; gap: 6px; flex: none; }
.chip {
  font-family: var(--mono); font-size: 11.5px; font-weight: 600; color: #fff;
  padding: 4px 7px; border-radius: 6px; line-height: 1.25; text-align: right;
}
.chip small { display: block; font-family: var(--sans); font-weight: 600; font-size: 9px; opacity: .85; letter-spacing: .6px; }
.chip.MS { background: var(--ms); } .chip.HSD { background: var(--hsd); }

/* layout */
main { padding: 14px 12px 20px; display: grid; gap: 12px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
.card h2 {
  font-size: 11px; letter-spacing: 1.2px; text-transform: uppercase; color: var(--ink-3);
  font-weight: 700; margin-bottom: 10px; display: flex; justify-content: space-between; align-items: center;
}
.card h2 .tag { letter-spacing: 0; text-transform: none; font-weight: 600; }

/* meter (signature element) */
.meter-row { display: grid; grid-template-columns: 1fr; gap: 8px; padding: 10px 0; border-bottom: 1px dashed var(--line); }
.meter-row:last-child { border-bottom: 0; }
.meter-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.noz-name { font-weight: 600; font-size: 13.5px; }
.noz-name .pcode { font-size: 10px; font-weight: 700; padding: 1.5px 5px; border-radius: 4px; color: #fff; margin-left: 6px; vertical-align: 1px; }
.pcode.MS { background: var(--ms); } .pcode.HSD { background: var(--hsd); }
.opening { font-family: var(--mono); font-size: 12px; color: var(--ink-3); }
.meter-grid { display: grid; grid-template-columns: 1.6fr .9fr 1fr; gap: 8px; }
.field label { display: block; font-size: 10px; font-weight: 700; letter-spacing: .6px; color: var(--ink-3); text-transform: uppercase; margin-bottom: 3px; }
input, select {
  width: 100%; font-family: var(--mono); font-size: 15px; font-weight: 500;
  padding: 9px 10px; border: 1.5px solid var(--line); border-radius: 8px; background: #fbfcfc; color: var(--ink);
}
select { font-family: var(--sans); font-size: 13.5px; }
input:focus, select:focus, button:focus-visible { outline: 2px solid var(--amber); outline-offset: 1px; border-color: var(--amber); }
input.meter { background: var(--meter-bg); color: var(--meter-fg); border-color: var(--meter-bg); letter-spacing: 1px; }
.sale-out { font-family: var(--mono); font-size: 13px; text-align: right; color: var(--ink-2); padding-top: 4px; }
.sale-out b { color: var(--ink); }

/* variance strip */
.vstrip { margin-top: 8px; }
.vstrip .lbl { display: flex; justify-content: space-between; font-size: 11.5px; color: var(--ink-2); font-family: var(--mono); margin-bottom: 4px; }
.vbar { height: 8px; border-radius: 4px; background: var(--line); overflow: hidden; position: relative; }
.vbar > i { position: absolute; inset: 0 auto 0 0; border-radius: 4px; }
.v-ok { color: var(--ok); } .v-bad { color: var(--alert); }

/* buttons */
button { font-family: var(--sans); cursor: pointer; }
.btn {
  width: 100%; border: 0; border-radius: 10px; padding: 13px; font-size: 15px; font-weight: 700;
  background: var(--amber); color: var(--amber-ink);
}
.btn:disabled { opacity: .45; cursor: default; }
.btn.ghost { background: transparent; border: 1.5px solid var(--line); color: var(--ink-2); font-weight: 600; }
.btn.danger { background: var(--alert); color: #fff; }
.btn-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.btn-sm { padding: 8px 12px; font-size: 13px; width: auto; }

/* steps */
.steps { display: flex; gap: 6px; margin-bottom: 2px; }
.step { flex: 1; height: 4px; border-radius: 2px; background: var(--line); }
.step.done { background: var(--amber); }
.step-title { font-size: 17px; font-weight: 700; margin: 8px 0 2px; }
.step-sub { font-size: 12.5px; color: var(--ink-3); margin-bottom: 8px; }

/* tables / lists */
.trow { display: flex; justify-content: space-between; gap: 10px; padding: 9px 0; border-bottom: 1px dashed var(--line); font-size: 13.5px; align-items: baseline; }
.trow:last-child { border-bottom: 0; }
.trow .r { font-family: var(--mono); font-weight: 600; text-align: right; white-space: nowrap; }
.trow .sub { display: block; font-size: 11.5px; color: var(--ink-3); }
.total-row { border-top: 2px solid var(--ink); margin-top: 4px; padding-top: 9px; font-weight: 700; }

/* tanks */
.tankcard { display: grid; gap: 6px; padding: 10px 0; border-bottom: 1px dashed var(--line); }
.tankcard:last-child { border-bottom: 0; }
.tank-top { display: flex; justify-content: space-between; align-items: baseline; }
.tank-fill { height: 14px; border-radius: 7px; background: var(--line); overflow: hidden; }
.tank-fill > i { display: block; height: 100%; border-radius: 7px; }
.fill-MS { background: linear-gradient(90deg, #e2683e, var(--ms)); }
.fill-HSD { background: linear-gradient(90deg, #35996a, var(--hsd)); }
.tank-nums { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 11.5px; color: var(--ink-2); }

/* tab bar */
#tabbar {
  position: fixed; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 520px; background: var(--card); border-top: 1px solid var(--line);
  display: grid; grid-template-columns: repeat(8, 1fr); padding-bottom: env(safe-area-inset-bottom); z-index: 20;
}
.tab { background: none; border: 0; padding: 8px 0 9px; font-size: 11px; font-weight: 700; color: var(--ink-3); letter-spacing: .3px; }
.tab .ico { display: block; font-size: 16px; margin-bottom: 1px; font-weight: 400; }
.tab.active { color: var(--ink); }
.tab.active .ico { color: var(--amber); }

/* toast */
#toast {
  position: fixed; left: 50%; transform: translateX(-50%) translateY(20px); bottom: 84px;
  background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 10px; font-size: 13.5px;
  opacity: 0; pointer-events: none; transition: all .25s; z-index: 40; max-width: 90%;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
#toast.err { background: var(--alert); }

/* misc */
.empty { text-align: center; color: var(--ink-3); font-size: 13.5px; padding: 22px 8px; }
.pill { font-size: 11px; font-weight: 700; padding: 3px 8px; border-radius: 999px; }
.pill.open { background: #fdf1d7; color: #8a5b00; }
.pill.closed { background: #e3efe8; color: var(--hsd); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
.mt8 { margin-top: 8px; } .mt12 { margin-top: 12px; }
.linkish { background: none; border: 0; color: var(--hsd); font-weight: 700; font-size: 13px; padding: 0; }
.amount-lg { font-family: var(--mono); font-size: 22px; font-weight: 600; }
.datebar { display: flex; gap: 8px; align-items: center; }
.datebar input { flex: 1; }
@media (prefers-reduced-motion: reduce) { #toast { transition: none; } }

/* ---------- v0.4: full web app layout ---------- */
#shell { display: block; }
#sidenav { display: none; }

/* dashboard */
.dash-grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
.stat { display: grid; gap: 2px; }
.stat .k { font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--ink-3); }
.stat .v { font-family: var(--mono); font-size: 24px; font-weight: 600; }
.stat .s { font-size: 12px; color: var(--ink-3); }
.stat-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.bars { display: flex; align-items: flex-end; gap: 6px; height: 110px; margin-top: 8px; }
.bar { flex: 1; display: grid; align-content: end; justify-items: center; gap: 4px; height: 100%; }
.bar i { width: 100%; max-width: 44px; border-radius: 5px 5px 2px 2px; background: linear-gradient(180deg, #f4b73f, var(--amber)); min-height: 3px; }
.bar.today i { background: linear-gradient(180deg, #3d5568, var(--ink)); }
.bar b { font-family: var(--mono); font-size: 9.5px; color: var(--ink-3); font-weight: 500; }
.banner {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  background: #fdf1d7; border: 1px solid #eeda9d; border-radius: 12px; padding: 12px 14px; font-size: 13.5px;
}
.banner b { color: #8a5b00; }
.banner .btn { width: auto; padding: 8px 14px; font-size: 13px; }

@media (min-width: 900px) {
  body { max-width: none; padding-bottom: 0; }
  #tabbar { display: none; }
  #shell { display: grid; grid-template-columns: 232px minmax(0, 1fr); min-height: 100dvh; }

  #sidenav {
    display: flex; flex-direction: column; gap: 18px; background: var(--ink); color: #fff;
    padding: 18px 14px; position: sticky; top: 0; height: 100dvh;
  }
  .side-brand { display: flex; gap: 10px; align-items: center; padding: 2px 6px; }
  .side-title { font-weight: 700; font-size: 15px; letter-spacing: .2px; }
  .side-title span { color: var(--amber); }
  .side-sub { font-size: 11px; color: #9fb0bd; margin-top: 1px; }
  .side-nav { display: grid; gap: 2px; }
  .snav {
    display: flex; align-items: center; gap: 10px; background: none; border: 0; color: #b9c6d0;
    font-size: 13.5px; font-weight: 600; padding: 10px 12px; border-radius: 9px; text-align: left;
  }
  .snav .ico { font-size: 15px; width: 18px; text-align: center; color: #7b8b98; font-weight: 400; }
  .snav:hover { background: #1b2936; color: #fff; }
  .snav.active { background: #223345; color: #fff; }
  .snav.active .ico { color: var(--amber); }
  .side-foot { margin-top: auto; display: grid; gap: 6px; padding: 0 6px; }
  .side-foot .chip { width: 100%; display: flex; justify-content: space-between; align-items: baseline; }

  #topbar { position: static; background: transparent; color: var(--ink); border-bottom: 1px solid var(--line); padding: 16px 28px; }
  #topbar .brand-mark, #topbar .brand > div:last-child { display: none; }
  #topbar .brand::before { content: attr(data-title); font-size: 19px; font-weight: 700; }
  .outlet-sub { color: var(--ink-3); }
  #price-chips .chip.MS { background: var(--ms); } /* keep liveries on light bg */

  main { padding: 24px 28px 40px; max-width: 1120px; }
  .dash-grid { grid-template-columns: repeat(12, 1fr); }
  .dash-grid > .span4 { grid-column: span 4; }
  .dash-grid > .span6 { grid-column: span 6; }
  .dash-grid > .span8 { grid-column: span 8; }
  .dash-grid > .span12 { grid-column: span 12; }
  .stat-row { grid-template-columns: repeat(4, 1fr); }

  /* wider working views */
  .two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; align-items: start; }
  .two-col > .full { grid-column: 1 / -1; }
  .meter-grid { grid-template-columns: 1.4fr .7fr 1fr .9fr; align-items: end; }
  .meter-grid .sale-out { padding-bottom: 9px; }
}
@media (max-width: 899px) {
  .two-col > * { min-width: 0; }
  .dash-grid > * { grid-column: auto !important; }
}

/* login */
body.locked { background: var(--ink); max-width: none; padding-bottom: 0; }
/* #shell is a 232px sidebar + content grid on desktop. When locked, its children
   are replaced by the login card alone, so the grid must collapse to one full-width
   column or the card gets trapped in the narrow sidebar track. */
body.locked #shell { display: block; grid-template-columns: none; }
body.locked #tabbar, body.locked #topbar { display: none; }
.login-wrap {
  display: flex; align-items: center; justify-content: center;
  min-height: 100dvh; width: 100%; padding: 20px;
}
.login-card {
  background: var(--card); border-radius: 16px; padding: 28px 26px; width: 100%; max-width: 380px;
  box-shadow: 0 18px 50px rgba(0,0,0,.35);
}
.login-title { font-size: 21px; font-weight: 700; }
.login-title span { color: var(--amber); }
.login-sub { font-size: 12.5px; color: var(--ink-3); margin-top: 2px; }
.login-err { color: var(--alert); font-size: 13px; margin-top: 10px; min-height: 18px; font-weight: 600; }

/* sidebar user chip */
.user-chip {
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  border-top: 1px solid #223345; margin-top: 8px; padding-top: 10px; font-size: 12.5px; color: #cfd9e1;
}
.user-chip b { display: block; font-weight: 600; }
.user-chip span { font-size: 10.5px; color: #8b9aa6; text-transform: uppercase; letter-spacing: .6px; }
.user-chip .linkish { color: var(--amber); font-size: 12px; }

.export-row { display: flex; flex-wrap: wrap; gap: 8px; }
.export-row .btn { width: auto; }

.login-err code { display: block; font-family: var(--mono); font-size: 11.5px; background: var(--meter-bg);
  color: var(--meter-fg); padding: 7px 9px; border-radius: 6px; margin-top: 6px; font-weight: 500; word-break: break-all; }

/* =========================================================================
   v0.7 — "Instrument panel" refinement.
   Denser, more official: sealed-record chrome, charts, and a print stylesheet
   that turns the DSR into a statutory-looking document.
   ========================================================================= */
:root {
  --ok-bg: #e6f2ea;
  --bad-bg: #fbeae9;
  --warn-bg: #fdf3dc;
  --shadow-sm: 0 1px 2px rgba(16,27,38,.06), 0 1px 3px rgba(16,27,38,.04);
  --shadow-md: 0 4px 12px rgba(16,27,38,.08), 0 1px 3px rgba(16,27,38,.05);
}


.card { box-shadow: var(--shadow-sm); transition: box-shadow .16s ease; }
.card:hover { box-shadow: var(--shadow-md); }
.card h2 .tag {
  background: var(--bg); border: 1px solid var(--line); padding: 2px 8px;
  border-radius: 999px; font-size: 11px; color: var(--ink-2);
}

/* section heading above a group of cards */
.sec-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin: 4px 2px -2px; }
.sec-head h1 { font-size: 15px; font-weight: 700; letter-spacing: -.1px; }
.sec-head p { font-size: 12.5px; color: var(--ink-3); }

/* ---- charts (hand-rolled SVG, no dependencies) ---- */
.chart { width: 100%; display: block; overflow: visible; }
.chart .grid-line { stroke: var(--line); stroke-width: 1; }
.chart .axis-lbl { font-family: var(--mono); font-size: 9px; fill: var(--ink-3); }
.chart .area { fill: url(#gradAmber); }
.chart .line { fill: none; stroke: var(--amber); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart .dot { fill: var(--ink); }
.chart .spark { fill: none; stroke-width: 1.6; stroke-linejoin: round; }
.chart .zero { stroke: var(--ink-3); stroke-dasharray: 2 3; stroke-width: 1; }
.legend { display: flex; flex-wrap: wrap; gap: 10px 16px; margin-top: 10px; }
.legend span { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--ink-2); }
.legend i { width: 10px; height: 10px; border-radius: 3px; display: block; }

/* ---- compliance centre ---- */
.score-ring { display: flex; align-items: center; gap: 16px; }
.score-ring .num { font-family: var(--mono); font-size: 30px; font-weight: 600; line-height: 1; }
.chain { display: grid; gap: 0; }
.chain-link { display: grid; grid-template-columns: 34px 1fr auto; gap: 10px; align-items: center; padding: 9px 0; position: relative; }
.chain-link + .chain-link::before {
  content: ''; position: absolute; left: 16px; top: -9px; height: 18px; width: 2px; background: var(--line);
}
.chain-seq {
  width: 32px; height: 32px; border-radius: 9px; display: grid; place-items: center;
  font-family: var(--mono); font-size: 12px; font-weight: 600; background: var(--ok-bg); color: var(--ok);
  border: 1px solid rgba(30,122,74,.25);
}
.chain-link.bad .chain-seq { background: var(--bad-bg); color: var(--alert); border-color: rgba(191,47,36,.3); }
.hash { font-family: var(--mono); font-size: 10.5px; color: var(--ink-3); word-break: break-all; }
.badge { font-size: 10.5px; font-weight: 700; padding: 3px 8px; border-radius: 999px; letter-spacing: .3px; white-space: nowrap; }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.bad { background: var(--bad-bg); color: var(--alert); }
.badge.warn { background: var(--warn-bg); color: #8a5b00; }
.reg-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.reg-table th {
  text-align: left; font-size: 10px; letter-spacing: .8px; text-transform: uppercase;
  color: var(--ink-3); font-weight: 700; padding: 6px 8px 6px 0; border-bottom: 1.5px solid var(--line);
}
.reg-table td { padding: 7px 8px 7px 0; border-bottom: 1px dashed var(--line); }
.reg-table td.num { font-family: var(--mono); text-align: right; }
.scroll-x { overflow-x: auto; }

/* ---- print: statutory document ---- */
@media print {
  #sidenav, #tabbar, #topbar, .no-print, .btn, button { display: none !important; }
  body, #shell, #content, main { display: block !important; background: #fff !important; max-width: none !important; padding: 0 !important; }
  .card { box-shadow: none !important; border: 1px solid #999 !important; break-inside: avoid; margin-bottom: 10px; }
  .print-only { display: block !important; }
  .print-head { border-bottom: 2px solid #000; padding-bottom: 8px; margin-bottom: 12px; }
  .print-head h1 { font-size: 17px; }
  .hash { font-size: 9px; }
  @page { margin: 14mm; }
}
.print-only { display: none; }

/* ---- ask console (v2.0) ---- */
.ask-card { background: linear-gradient(160deg, #16232f 0%, var(--ink) 70%); border-color: #24374a; color: #fff; }
.ask-row { display: flex; gap: 8px; align-items: stretch; }
.ask-input {
  flex: 1; background: #0c151d; border: 1.5px solid #2a3d4f; color: #fff;
  font-family: var(--sans); font-size: 15px; padding: 12px 14px; border-radius: 10px;
}
.ask-input::placeholder { color: #6d7f8d; }
.ask-input:focus { border-color: var(--amber); outline: none; }
.ask-lang { width: auto; background: #0c151d; border-color: #2a3d4f; color: #cfd9e1; font-size: 13px; padding: 0 8px; }
.ask-go { width: auto; padding: 0 20px; }
.ask-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.chip-btn {
  background: #1b2b39; border: 1px solid #2a3d4f; color: #b9c8d4;
  font-size: 12px; padding: 5px 10px; border-radius: 999px; font-weight: 500;
}
.chip-btn:hover { background: #24374a; color: #fff; border-color: var(--amber); }
.ask-answer { background: #0c151d; border: 1px solid #24374a; border-radius: 10px; padding: 14px; margin-top: 12px; }
.ask-total { font-family: var(--mono); font-size: 30px; font-weight: 600; color: var(--meter-fg); line-height: 1.1; }
.ask-meta { font-size: 11.5px; color: #8b9dab; margin-top: 4px; }
.ask-narr { font-size: 14px; line-height: 1.55; margin-top: 10px; color: #e4ebf0; }
.ask-answer .trow { border-color: #24374a; color: #dbe4ea; }
.ask-answer .trow .sub { color: #7f92a1; }
.ask-answer .step-sub { color: #7f92a1; }
.ask-answer code { font-family: var(--mono); background: #16232f; padding: 1px 5px; border-radius: 4px; color: var(--amber); }
.ask-card h2 { color: #8b9dab; }
@media (max-width: 620px) {
  .ask-row { flex-wrap: wrap; }
  .ask-input { flex: 1 1 100%; }
  .ask-go { flex: 1; }
}

/* ---- mobile overflow sheet (v2.2) ---- */
#tabbar { grid-template-columns: repeat(5, 1fr); }
#more-sheet {
  position: fixed; inset: 0; background: rgba(16,27,38,.45); z-index: 30;
  display: none; align-items: flex-end; backdrop-filter: blur(2px);
}
#more-sheet.open { display: flex; }
.more-panel {
  background: var(--card); width: 100%; border-radius: 16px 16px 0 0; padding: 8px 12px calc(78px + env(safe-area-inset-bottom));
  max-width: 520px; margin: 0 auto; box-shadow: 0 -8px 30px rgba(0,0,0,.2);
}
.more-grip { width: 36px; height: 4px; border-radius: 2px; background: var(--line); margin: 8px auto 12px; }
.more-item {
  display: flex; align-items: center; gap: 12px; width: 100%; background: none; border: 0;
  padding: 14px 8px; font-size: 15px; font-weight: 600; color: var(--ink); text-align: left;
  border-bottom: 1px solid var(--line);
}
.more-item:last-child { border-bottom: 0; }
.more-item .ico { font-size: 17px; width: 22px; text-align: center; color: var(--ink-3); font-weight: 400; }
.more-item.active { color: var(--amber-ink); }
.more-item.active .ico { color: var(--amber); }
@media (min-width: 900px) { #more-sheet { display: none !important; } }

/* ---- pump screen (attendant mode, v2.4) ---- */
body.pump-mode { background: var(--ink); max-width: 520px; padding-bottom: 0; }
body.pump-mode #shell { display: block; grid-template-columns: none; }
body.pump-mode #topbar { background: var(--ink); color: #fff; padding: 12px 16px; position: sticky; top: 0; }
body.pump-mode main { padding: 0 12px 30px; max-width: none; }
.pump { display: grid; gap: 10px; }
.pump-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px;
  background: #16232f; border: 1px solid #24374a; border-radius: 12px; padding: 12px 14px; color: #fff; }
.pump-who { font-size: 15px; font-weight: 700; }
.pump-sub { font-size: 11.5px; color: #8b9dab; margin-top: 2px; }
.pump-tally { text-align: right; }
.pump-tally-amt { font-family: var(--mono); font-size: 19px; font-weight: 600; color: var(--meter-fg); }

.pump-products { display: flex; gap: 8px; }
.pump-prod { flex: 1; background: #16232f; border: 1.5px solid #24374a; border-radius: 12px; color: #b9c8d4;
  padding: 10px 6px; display: grid; gap: 2px; font-size: 12px; }
.pump-prod b { font-size: 16px; color: #fff; }
.pump-prod span { font-family: var(--mono); font-size: 11.5px; }
.pump-prod.on { border-color: var(--amber); background: #24374a; color: #fff; }

.pump-display { background: var(--meter-bg); border: 1px solid #24374a; border-radius: 12px; padding: 12px 14px; }
.pump-toggle { display: flex; gap: 6px; margin-bottom: 8px; }
.pump-toggle button { flex: 1; background: #16232f; border: 1px solid #24374a; color: #8b9dab;
  border-radius: 8px; padding: 7px; font-size: 12.5px; font-weight: 600; }
.pump-toggle button.on { background: var(--amber); color: var(--amber-ink); border-color: var(--amber); }
.pump-value { font-family: var(--mono); font-size: 40px; font-weight: 600; color: var(--meter-fg);
  text-align: right; line-height: 1.1; letter-spacing: 1px; }
.pump-derived { font-size: 12.5px; color: #8b9dab; text-align: right; margin-top: 4px; }

.pump-pad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.pump-key { background: #1b2b39; border: 1px solid #2a3d4f; border-radius: 12px; color: #fff;
  font-family: var(--mono); font-size: 24px; font-weight: 600; padding: 16px 0; }
.pump-key:active { background: var(--amber); color: var(--amber-ink); }

.pump-quick { display: flex; flex-wrap: wrap; gap: 6px; }
.pump-chip { background: #1b2b39; border: 1px solid #2a3d4f; color: #b9c8d4; border-radius: 999px;
  padding: 7px 13px; font-size: 13px; font-weight: 600; }
.pump-chip:active { background: var(--amber); color: var(--amber-ink); }

.pump-tenders { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: 2px; }
.pump-tender { border: 0; border-radius: 12px; padding: 16px 8px; font-size: 15px; font-weight: 700;
  display: flex; align-items: center; justify-content: center; gap: 8px; color: #fff; }
.pump-tender span { font-size: 17px; opacity: .9; }
.pump-tender.cash { background: #1e7a4a; }
.pump-tender.upi { background: #5b3fbf; }
.pump-tender.card { background: #3c4c5b; }
.pump-tender.credit { background: #c8491f; }
.pump-tender:active { filter: brightness(1.15); }

.qr-wrap { background: #fff; padding: 12px; border-radius: 12px; display: grid; place-items: center; margin: 8px 0; }
.qr-wrap svg { width: 100%; max-width: 260px; height: auto; }
body.pump-mode .card { background: #16232f; border-color: #24374a; color: #dbe4ea; }
body.pump-mode .card h2 { color: #8b9dab; }
body.pump-mode .trow { border-color: #24374a; }
body.pump-mode .trow .sub { color: #7f92a1; }
body.pump-mode .empty { color: #7f92a1; }
body.pump-mode .field label { color: #8b9dab; }
body.pump-mode input, body.pump-mode select { background: #0c151d; border-color: #2a3d4f; color: #fff; }

/* ============================================================================
   Paper theme (v2.8) — after the C-Store design system.
   Warm paper, ink, category-tinted dots. No flag, no dark chrome.
   ========================================================================== */
body { font-variant-numeric: tabular-nums; }

/* sidebar: warm paper rather than dark navy, active link marked by a fuel rail */
@media (min-width: 900px) {
  #sidenav { background: var(--paper2); color: var(--ink); border-right: 1px solid var(--line); padding: 22px 0; }
  .side-brand { padding: 0 20px 22px; }
  .side-title { color: var(--ink); font-weight: 500; font-size: 15px; }
  .side-title span { color: var(--amber); }
  .side-sub { color: var(--ink-3); font-size: 11px; letter-spacing: .4px; text-transform: uppercase; }
  .side-nav { gap: 0; padding: 0; }
  .snav {
    border-radius: 0; border-left: 3px solid transparent; padding: 9px 20px;
    color: var(--ink-2); font-weight: 400; font-size: 14px;
  }
  .snav:hover { background: var(--paper3); color: var(--ink); }
  .snav.active { background: var(--paper); color: var(--ink); border-left-color: var(--amber); font-weight: 500; }
  .snav .ico { color: var(--ink-3); }
  .snav.active .ico { color: var(--amber); }
  .side-foot { border-top: 1px solid var(--line); padding: 14px 20px 0; margin-top: auto; }
  #topbar { border-bottom: 1px solid var(--line); }
  #topbar .brand::before { font-weight: 500; }
}
.brand-mark { background: var(--ink); color: var(--paper); border-radius: var(--r-sm); font-family: var(--mono); font-weight: 500; }
.user-chip { border-top: 0; color: var(--ink-2); }
.user-chip b { color: var(--ink); }
.user-chip span { color: var(--ink-3); }
.user-chip .linkish { color: var(--amber); }
#topbar { background: var(--paper); color: var(--ink); }
#topbar .outlet { color: var(--ink); font-weight: 500; }
#topbar .outlet-sub { color: var(--ink-3); }
.chip { border-radius: var(--r-sm); }

/* cards: white on paper, quiet border, tinted dot before each heading */
.card { border-radius: var(--r); box-shadow: none; border-color: var(--line); }
.card:hover { box-shadow: none; }
.card h2 {
  display: flex; align-items: center; gap: 9px;
  font-size: 14px; font-weight: 500; letter-spacing: 0; text-transform: none; color: var(--ink);
  padding-bottom: 12px; margin-bottom: 12px; border-bottom: 1px solid var(--paper2);
}
.card h2::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--amber); flex: none; }
.card h2 .tag { margin-left: auto; background: var(--paper); border-color: var(--line); color: var(--ink-3); font-weight: 400; }
.sec-head h1 { font-weight: 500; font-size: 17px; }
.stat .k { font-weight: 500; letter-spacing: .5px; color: var(--ink-3); }
.trow { border-color: var(--paper2); }
.total-row { border-top-color: var(--ink); }

/* buttons: outlined by default, filled only for the primary action */
.btn { border-radius: var(--r-sm); font-weight: 500; font-size: 13.5px; padding: 10px 16px; }
.btn.ghost { background: #fff; border: 1px solid var(--line); color: var(--ink); }
.btn.ghost:hover { background: var(--paper2); }
.chip-btn { background: #fff; border-color: var(--line); color: var(--ink-2); }
.chip-btn:hover { background: var(--paper2); border-color: var(--amber); color: var(--ink); }
.linkish { color: var(--amber); font-weight: 500; }
input, select, textarea { border-radius: var(--r-sm); background: #fff; border-color: var(--line); }
input.meter { background: var(--meter-bg); color: var(--meter-fg); border-color: var(--meter-bg); }
.field label { color: var(--ink-3); font-weight: 500; letter-spacing: .4px; }

/* pills: tinted background with a matching border, the paper-theme signature */
.badge, .pill { border: 1px solid; font-weight: 500; padding: 3px 10px; border-radius: 999px; font-size: 11px; letter-spacing: 0; }
.badge.ok { background: #e8f5ec; color: #1a7a30; border-color: #90d4a0; }
.badge.bad { background: #fce8e8; color: #b81c1c; border-color: #f0b0b0; }
.badge.warn { background: #fdf4e0; color: #c08820; border-color: #f0d080; }
.pill.open { background: #fdf4e0; color: #c08820; border-color: #f0d080; }
.pill.closed { background: #e8f5ec; color: #1a7a30; border-color: #90d4a0; }
.banner { background: var(--amber-bg); border: 1px solid #b7cfcb; border-radius: var(--r); }
.banner b { color: var(--accent-2); }
.reg-table th { color: var(--ink-3); font-weight: 500; font-size: 10px; border-bottom-color: var(--line); }
.reg-table td { border-bottom-color: var(--paper2); }
.chain-seq { border-radius: var(--r-sm); }

/* the ask console loses the dark gradient and becomes a paper card */
.ask-card { background: #fff; border-color: var(--line); color: var(--ink); }
.ask-card h2 { color: var(--ink); }
.ask-input { background: var(--paper); border-color: var(--line); color: var(--ink); font-family: var(--sans); }
.ask-input::placeholder { color: var(--ink-4); }
.ask-lang { background: var(--paper); border-color: var(--line); color: var(--ink-2); }
.ask-answer { background: var(--paper); border-color: var(--line); }
.ask-total { color: var(--ink); }
.ask-meta, .ask-answer .step-sub { color: var(--ink-3); }
.ask-narr { color: var(--ink-2); }
.ask-answer .trow { border-color: var(--line); color: var(--ink); }
.ask-answer .trow .sub { color: var(--ink-3); }
.ask-answer code { background: var(--paper2); color: var(--accent-2); }

/* login on paper, not on navy */
body.locked { background: var(--paper2); }
.login-card { border: 1px solid var(--line); box-shadow: 0 8px 32px rgba(0,0,0,.14); }
.login-title span { color: var(--amber); }

/* mobile chrome */
#tabbar { background: var(--paper2); border-top-color: var(--line); }
.tab { color: var(--ink-3); font-weight: 500; }
.tab.active { color: var(--ink); }
.tab.active .ico { color: var(--amber); }
.more-panel { background: #fff; }
.more-item { color: var(--ink); font-weight: 400; border-bottom-color: var(--paper2); }
.more-item.active .ico { color: var(--amber); }
#toast { background: var(--ink); border-radius: var(--r-sm); }

/* charts pick up the tints */
.chart .line { stroke: var(--amber); }
.chart .dot { fill: var(--amber); }
.chart .grid-line { stroke: var(--paper3); }
.bar i { background: linear-gradient(180deg, #5b8b84, var(--amber)); }
.bar.today i { background: linear-gradient(180deg, #4a4940, var(--ink)); }

/* ---- buried tank, side elevation (v2.8) ---- */
.tankgrid { display: grid; gap: 14px; }
.tankbox {
  display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 16px; align-items: center;
  padding: 12px 0; border-bottom: 1px solid var(--paper2);
}
.tankbox:last-child { border-bottom: 0; }
.tankviz { width: 300px; height: auto; display: block; }
.tank-pct {
  font-family: var(--mono); font-size: 20px; font-weight: 600; fill: var(--ink);
  paint-order: stroke; stroke: rgba(255,255,255,.85); stroke-width: 4px; stroke-linejoin: round;
}
.tank-lbl { font-family: var(--sans); font-size: 9px; fill: var(--ink-3); letter-spacing: .4px; }
.tank-ground { font-family: var(--sans); font-size: 9px; fill: var(--ink-3); letter-spacing: 1px; text-transform: uppercase; }
/* The surface drifts rather than sloshes — a buried tank is not a cocktail shaker. */
.tankwave { animation: tankdrift 9s linear infinite; }
@keyframes tankdrift { from { transform: translateX(0); } to { transform: translateX(120px); } }
@media (prefers-reduced-motion: reduce) { .tankwave { animation: none; } }
@media (max-width: 700px) {
  .tankbox { grid-template-columns: 1fr; gap: 6px; }
  .tankviz { width: 100%; max-width: 340px; margin: 0 auto; }
}


/* ============================================================================
   Restrained palette (v3.1) — primary actions in ink, accent used sparingly.
   ========================================================================== */
.btn { background: var(--ink); color: #fff; border: 1px solid var(--ink); }
.btn:hover { background: #2c2e31; border-color: #2c2e31; }
.btn:active { background: #000; }
.btn:disabled { background: var(--ink-4); border-color: var(--ink-4); color: #fff; }
.btn.ghost { background: #fff; border: 1px solid var(--line); color: var(--ink); }
.btn.ghost:hover { background: var(--paper2); border-color: var(--ink-4); }
.btn.danger { background: var(--alert); border-color: var(--alert); color: #fff; }

/* the accent survives only where it carries meaning: focus, active nav, links */
input:focus, select:focus, textarea:focus, button:focus-visible {
  outline: 2px solid var(--amber); outline-offset: 1px; border-color: var(--amber);
}
.linkish { color: var(--accent-2); }
.card h2::before { background: var(--amber); }
.chip-btn:hover { border-color: var(--amber); }

/* status pills in muted tones rather than traffic-light primaries */
.badge.ok   { background: #eaf1ec; color: #33593c; border-color: #b6cdbc; }
.badge.bad  { background: #f6ebea; color: #8b342e; border-color: #ddb6b2; }
.badge.warn { background: #f4f1e8; color: #7a6a45; border-color: #ded5bd; }
.pill.open   { background: #f4f1e8; color: #7a6a45; border-color: #ded5bd; }
.pill.closed { background: #eaf1ec; color: #33593c; border-color: #b6cdbc; }

/* tender buttons on the pump screen: distinguishable, none of them shouting */
.pump-tender.cash   { background: #3f6b4a; }
.pump-tender.upi    { background: #4a5a7a; }
.pump-tender.card   { background: #4b4e52; }
.pump-tender.credit { background: #7a5a4a; }
.pump-key:active { background: var(--amber); color: #fff; }
.pump-chip:active { background: var(--amber); color: #fff; }
.pump-prod.on { border-color: var(--amber); }
.pump-tally-amt { color: var(--meter-fg); }
.tab.active .ico, .snav.active .ico, .more-item.active .ico { color: var(--amber); }

/* ---- theme picker (v3.2) ---- */
.theme-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 10px; }
.theme-card {
  background: #fff; border: 1.5px solid var(--line); border-radius: var(--r); padding: 12px;
  text-align: left; display: grid; gap: 4px; cursor: pointer;
}
.theme-card:hover:not(:disabled) { border-color: var(--ink-4); }
.theme-card.on { border-color: var(--amber); box-shadow: inset 0 0 0 1px var(--amber); }
.theme-card:disabled { opacity: .55; cursor: default; }
.theme-card b { font-size: 13.5px; font-weight: 500; color: var(--ink); }
.theme-card span { font-size: 11.5px; color: var(--ink-3); line-height: 1.35; }
.theme-swatches { display: flex; gap: 4px; margin-bottom: 4px; }
.theme-swatches i { width: 26px; height: 20px; border-radius: 4px; display: block; border: 1px solid rgba(0,0,0,.12); }