:root{
  --bg:#eef1f4; --panel:#ffffff; --ink:#1f2733; --muted:#5b6675; --faint:#8a94a3;
  --line:#dde3ea; --gold:#a37e2c; --gold-soft:#c9a24b; --gold-bg:#f7f1e3;
  --ok:#3f7d5b; --ok-bg:#e7f2ec; --warn:#9a7b1f; --warn-bg:#f7efd8;
  --bad:#a3453b; --bad-bg:#f6e6e3; --sky:#3a6ea5; --sky-bg:#e7eef6;
  --glow-a:rgba(201,162,75,.16); --glow-b:rgba(58,110,165,.05); --glow-dot:rgba(163,126,44,.16);
  --field:#fbfcfd; --hover:#f4f6f8; --track:#eef1f4;
  --radius:12px; --shadow:0 1px 2px rgba(31,39,51,.06),0 6px 18px rgba(31,39,51,.05);
  font-synthesis:none;
}
/* Dark theme: same structure, night palette; gold stays the identity */
html.dark{
  --bg:#12161d; --panel:#1a212b; --ink:#e7ebf1; --muted:#9aa5b3; --faint:#6c7686;
  --line:#2a3341; --gold:#c9a24b; --gold-soft:#a37e2c; --gold-bg:#2a2415;
  --ok:#5eb388; --ok-bg:#17372a; --warn:#d9b44a; --warn-bg:#3a3114;
  --bad:#e07b6f; --bad-bg:#3e1f1b; --sky:#7aa7d9; --sky-bg:#1c2b3d;
  --glow-a:rgba(201,162,75,.20); --glow-b:rgba(122,167,217,.06); --glow-dot:rgba(201,162,75,.18);
  --field:#151b23; --hover:#222b37; --track:#242e3b;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 6px 18px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:14px;line-height:1.45}
h1,h2,h3{margin:0;font-weight:650;letter-spacing:-.01em}
a{color:var(--sky);text-decoration:none}
button{font-family:inherit;font-size:14px;cursor:pointer}

/* Login */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}
.login-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:28px;width:100%;max-width:380px}
.login-card .brand{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.login-card h1{font-size:20px}
.sub{color:var(--muted);font-size:13px;margin:2px 0 20px}
.field{margin-bottom:14px}
.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px;font-weight:600}
.field input{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:9px;font-size:14px;background:var(--field)}
.field input:focus{outline:none;border-color:var(--gold-soft);background:var(--panel)}
.hint{font-size:12px;color:var(--faint);margin-top:14px;line-height:1.6}
.err{color:var(--bad);font-size:13px;margin-top:10px;min-height:18px}

/* Buttons: one system */
.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:999px;
  border:1px solid var(--gold);background:var(--gold);color:#fff;font-weight:600}
.btn:hover{filter:brightness(1.05)}
.btn.secondary{background:var(--panel);color:var(--ink);border-color:var(--line)}
.btn.secondary:hover{border-color:var(--gold-soft)}
.btn.small{padding:6px 12px;font-size:13px}
.btn.block{width:100%;justify-content:center}

/* Shell */
.shell{display:grid;grid-template-columns:230px 1fr;min-height:100vh}
.side{background:var(--panel);border-right:1px solid var(--line);padding:18px 14px;position:sticky;top:0;height:100vh;
  display:flex;flex-direction:column;overflow:hidden}
.nav{flex:1;overflow-y:auto;min-height:0;scrollbar-width:thin}
.side .brand{display:flex;align-items:center;gap:10px;padding:0 6px 16px}
.side .brand .name{font-weight:700;font-size:15px}
.side .brand .tag{font-size:11px;color:var(--faint)}
.nav a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:9px;color:var(--muted);
  font-weight:600;font-size:13.5px;margin-bottom:2px}
.nav a:hover{background:var(--hover);color:var(--ink)}
.nav a.active{background:var(--gold-bg);color:var(--gold)}
.nav a .dot{width:7px;height:7px;border-radius:50%;background:currentColor;opacity:.5}
.side .who{margin-top:12px;font-size:12px;color:var(--faint);
  border-top:1px solid var(--line);padding-top:12px}
.side .who b{color:var(--ink)}

.main{padding:22px 26px;max-width:1200px}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.topbar h2{font-size:19px}
.topbar .live{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--muted)}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--ok)}
.pulse.off{background:var(--faint)}

/* Cards + grid */
.grid{display:grid;gap:14px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:18px;position:relative;overflow:hidden}
.ceo-dom{transition:border-color .12s,box-shadow .12s}
.ceo-dom:hover{border-color:var(--gold-soft);box-shadow:0 2px 4px rgba(31,39,51,.08),0 10px 26px rgba(31,39,51,.10)}
/* Process floor view: a clean execution step, number + body + images */
.fstep{display:grid;grid-template-columns:34px 1fr;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.fstep:last-child{border-bottom:none}
.fnum{width:28px;height:28px;border-radius:50%;background:var(--gold-bg);color:var(--gold);
  font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center}
.ftitle{font-weight:650;font-size:14.5px;display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.finstr{color:var(--muted);font-size:13px;margin-top:5px;line-height:1.5}
.fmedia{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px;align-items:flex-start}
.ffig{margin:0;display:inline-flex;flex-direction:column;gap:4px}
.fthumb{width:104px;height:78px;object-fit:cover;border-radius:8px;border:1px solid var(--line);
  background:var(--track);cursor:zoom-in;display:block;transition:width .15s,height .15s}
.fthumb:hover{border-color:var(--gold-soft)}
.ffig.open{width:100%;flex-basis:100%}
.ffig.open .fthumb{width:auto;max-width:min(100%,640px);height:auto;max-height:70vh;object-fit:contain;
  cursor:zoom-out;background:var(--field)}
.ffig .fcap{display:none}
.ffig.open .fcap{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted)}
.ffig .fmin{border:1px solid var(--line);background:var(--panel);color:var(--muted);
  border-radius:999px;padding:2px 10px;font-size:11.5px;cursor:pointer}
.ffig .fmin:hover{border-color:var(--gold-soft);color:var(--ink)}
.ffig.fbroken .fthumb{background:var(--track)}
/* PPE safety icons on a floor step */
.fppe{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.ppe{display:inline-flex;align-items:center;gap:5px;padding:3px 9px 3px 7px;border-radius:999px;
  font-size:11px;font-weight:600;border:1px solid var(--line);background:var(--field);color:var(--muted)}
.ppe-mut{color:var(--muted)}
.ppe-warn{color:var(--warn);border-color:var(--warn-bg);background:var(--warn-bg)}
.ppe-bad{color:var(--bad);border-color:var(--bad-bg);background:var(--bad-bg)}
.ppe-ok{color:var(--ok);border-color:var(--ok-bg);background:var(--ok-bg)}
.ppe-sky{color:var(--sky);border-color:var(--sky-bg);background:var(--sky-bg)}
.ppelbl{font-weight:600}
/* Line process map: where the plant is now, station by station */
.linemap{display:flex;align-items:stretch;gap:0;overflow-x:auto;padding:4px 0}
.lmnode{min-width:128px;border:1px solid var(--line);border-radius:10px;padding:10px 8px;text-align:center;background:var(--field);transition:box-shadow .12s}
.lmnode:hover{box-shadow:0 4px 14px rgba(31,39,51,.10)}
.lm-done{border-color:var(--ok);background:var(--ok-bg)}
.lm-here{border-color:var(--gold);background:var(--gold-bg);box-shadow:0 0 0 2px var(--gold-soft)}
.lm-next{opacity:.65}
.lmnum{width:26px;height:26px;border-radius:50%;background:var(--panel);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;margin:0 auto 6px}
.lm-done .lmnum{background:var(--ok);color:#fff;border-color:var(--ok)}
.lm-here .lmnum{background:var(--gold);color:#fff;border-color:var(--gold)}
.lmname{font-size:12.5px;font-weight:650;line-height:1.25}
.lmarea{font-size:10px;color:var(--faint);text-transform:uppercase;letter-spacing:.05em;margin-top:3px}
.lmarrow{align-self:center;color:var(--faint);font-size:20px;padding:0 6px}
/* The aurora: violet core, peach sweep, pink wash rising from the bottom
   right corner. Static (no animation) so it costs one paint per card. */
/* Quiet corporate finish: a slate tint with a whisper of the brand gold and
   a fine dot grid, all fading out of the bottom right corner. No glow. */
.card::after{content:"";position:absolute;right:0;bottom:0;
  width:min(72%,380px);height:min(88%,260px);
  pointer-events:none;
  background:
    radial-gradient(120% 120% at 100% 100%, var(--glow-a), transparent 72%),
    radial-gradient(90% 90% at 100% 100%, var(--glow-b), transparent 55%),
    radial-gradient(circle, var(--glow-dot) 1px, transparent 1.4px);
  background-size:auto, auto, 13px 13px;
  -webkit-mask-image:radial-gradient(125% 125% at 100% 100%, #000 25%, transparent 72%);
  mask-image:radial-gradient(125% 125% at 100% 100%, #000 25%, transparent 72%)}
/* The same gold finish mirrored into the top left corner, lighter, so the tile
   is anchored on both diagonals. Static, no animation. */
.card::before{content:"";position:absolute;left:0;top:0;
  width:min(60%,320px);height:min(76%,220px);
  pointer-events:none;z-index:0;
  background:
    radial-gradient(120% 120% at 0% 0%, var(--glow-a), transparent 72%),
    radial-gradient(90% 90% at 0% 0%, var(--glow-b), transparent 55%),
    radial-gradient(circle, var(--glow-dot) 1px, transparent 1.4px);
  background-size:auto, auto, 13px 13px;
  opacity:.7;
  -webkit-mask-image:radial-gradient(125% 125% at 0% 0%, #000 25%, transparent 72%);
  mask-image:radial-gradient(125% 125% at 0% 0%, #000 25%, transparent 72%)}
.card.collapsed::before{display:none}
.card > *{position:relative;z-index:1}
.card h3{font-size:13px;color:var(--muted);font-weight:600;margin-bottom:12px;
  text-transform:uppercase;letter-spacing:.04em}
/* Collapse / expand any tile with a heading */
.clps-chev{float:right;color:var(--faint);cursor:pointer;margin-left:8px;transition:transform .15s}
.clps-chev:hover{color:var(--gold)}
.card.collapsed > h3{margin-bottom:0}
.card.collapsed > :not(h3){display:none}
.card.collapsed::after{display:none}
.card.collapsed .clps-chev{transform:rotate(-90deg)}
.kpi .val{font-size:26px;font-weight:700;letter-spacing:-.02em}
.kpi .lab{font-size:12px;color:var(--muted);margin-top:2px}
.kpi .sub2{font-size:12px;color:var(--faint);margin-top:6px}

/* OEE gauge bar */
.bars{display:flex;flex-direction:column;gap:10px;margin-top:4px}
.bar-row{display:grid;grid-template-columns:92px 1fr 48px;align-items:center;gap:10px;font-size:12.5px}
.track{height:8px;background:var(--track);border-radius:6px;overflow:hidden}
.fill{height:100%;border-radius:6px;background:var(--gold-soft)}
.fill.a{background:var(--sky)} .fill.p{background:var(--gold-soft)} .fill.q{background:var(--ok)}

/* Table */
table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;color:var(--muted);font-weight:600;font-size:11.5px;text-transform:uppercase;
  letter-spacing:.03em;padding:8px 10px;border-bottom:1px solid var(--line)}
td{padding:9px 10px;border-bottom:1px solid #eef1f4}
tr:last-child td{border-bottom:none}
.tag{display:inline-block;padding:2px 9px;border-radius:999px;font-size:11.5px;font-weight:600}
.tag.ok{background:var(--ok-bg);color:var(--ok)}
.tag.warn{background:var(--warn-bg);color:var(--warn)}
.tag.bad{background:var(--bad-bg);color:var(--bad)}
.tag.sky{background:var(--sky-bg);color:var(--sky)}
.tag.mut{background:var(--track);color:var(--muted)}

.section-title{font-size:13px;color:var(--muted);font-weight:600;text-transform:uppercase;
  letter-spacing:.04em;margin:22px 0 10px}
.pager{display:flex;align-items:center;justify-content:flex-end;gap:12px;
  margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
.pager .note{white-space:nowrap}
.seg{border:1px solid var(--line);border-radius:999px;overflow:hidden;flex-wrap:nowrap}
.seg .btn.small{border-radius:0}
.studio-blank{display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:8px;min-height:180px;border:1px dashed var(--line);border-radius:var(--radius);color:var(--faint)}
.studio-card{transition:border-color .12s,box-shadow .12s}
.studio-card:hover{border-color:var(--gold-soft);box-shadow:0 2px 4px rgba(31,39,51,.08),0 10px 26px rgba(31,39,51,.10)}
/* Supplier risk heatmap: criticality rows x spend band columns, sequential gold,
   2px surface gaps between cells, exact values labelled in every cell */
.rl-heat{display:grid;grid-template-columns:96px repeat(4,1fr);gap:2px}
.rl-head{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;padding:4px 6px}
.rl-cell{border-radius:6px;padding:10px 8px;min-height:52px;cursor:pointer;
  display:flex;flex-direction:column;gap:2px;border:1px solid var(--line)}
.rl-sub{font-size:11px;opacity:.85}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;row-gap:8px}
.row + .row{margin-top:8px}
.inp{margin:2px 0}
.inp + .btn,.btn + .inp,select + .btn,.btn + select{margin-left:2px}
.bar-row{padding:6px 0;border-bottom:1px solid var(--line)}
.bar-row:last-of-type{border-bottom:none}
.btn + .btn{margin-left:4px}
input[type=file]{font-size:11px;max-width:180px;color:var(--faint)}
.zone{border:1px solid var(--line);border-radius:10px;padding:10px;margin-top:10px;background:transparent}
.zone .zl{font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--faint);margin-bottom:6px}
.spacer{flex:1}
select,input.inp{padding:8px 10px;border:1px solid var(--line);border-radius:8px;font-size:13px;background:#fff}
.muted{color:var(--muted)} .faint{color:var(--faint)}
.right{text-align:right}
.pill-num{font-variant-numeric:tabular-nums}
.spark{display:flex;align-items:flex-end;gap:2px;height:34px}
.spark span{flex:1;background:var(--gold-soft);border-radius:2px;min-height:2px;opacity:.85}
.note{font-size:12px;color:var(--faint);margin-top:10px}
.flash{position:fixed;right:18px;bottom:18px;display:flex;flex-direction:column;gap:8px;z-index:50}
.toast{background:var(--ink);color:#fff;padding:10px 14px;border-radius:9px;font-size:13px;box-shadow:var(--shadow);
  max-width:320px;animation:in .2s ease}
.toast.bad{background:var(--bad)} .toast.ok{background:var(--ok)}
@keyframes in{from{transform:translateY(6px);opacity:0}to{transform:none;opacity:1}}
.footer{color:var(--faint);font-size:12px;margin-top:28px;border-top:1px solid var(--line);padding-top:14px}
@media(max-width:900px){.shell{grid-template-columns:1fr}.side{position:static;height:auto}
  .g4,.g3,.g2{grid-template-columns:1fr 1fr}}

/* Accessibility (Day 10) */
:focus-visible { outline: 2px solid var(--gold-soft); outline-offset: 2px; border-radius: 4px; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--gold); color: #fff;
  padding: 8px 12px; border-radius: 8px; z-index: 100; }
.skip-link:focus { left: 8px; top: 8px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
[dir="rtl"] .side { border-right: none; border-left: 1px solid var(--line); }
[dir="rtl"] .nav a .dot { }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important;
    transition-duration: .001ms !important; scroll-behavior: auto !important; }
}