/* OpenLogiTwin — High-Performance HMI design system.
   ANSI/ISA-101 + ISA-18.2, per Hollifield (PAS) and Rockwell PROCES-WP023.
   Rules enforced here: gray canvas, equipment reads by outline (fill = canvas),
   colour ONLY for live data + alarms, status by brightness + word (never red/green
   lamps), no gradients / shadows / glow / decorative animation. */
:root{
  --bg:#e2e2e2;          /* canvas (light gray ~224) */
  --panel:#d8d8d8;       /* panel surface */
  --raised:#ededed;      /* raised tile */
  --line:#a0a0a4;        /* equipment outline / process line (Gray 160) */
  --line-2:#8c9096;      /* secondary line */
  --ink:#33373b;         /* primary text / heavy outline (~#3F3F3F) */
  --ink-2:#6e6e6e;       /* secondary text */
  --ink-3:#8b9096;       /* hint / disabled */
  --data:#1f4e79;        /* live numeric data — one strategic dark colour, NOT an alarm colour */
  --band:#aed6f1;        /* normal-range band (light blue) */
  --on:#fbfbfb;          /* brighter-than-bg = ON */
  --off:#c6c6c6;         /* darker-than-bg = OFF */
  --p1:#c0392b;          /* alarm priority 1 — used for NOTHING else */
  --p2:#e67e22;          /* alarm priority 2 */
  --p3:#c9a200;          /* alarm priority 3 (amber-yellow, readable on gray) */
  --p1-bg:#f6e4e1; --p2-bg:#f7ece1; --p3-bg:#f6f1da;
  --grid:8px;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
[data-theme="dark"]{
  --bg:#23282e; --panel:#1c2127; --raised:#2a3038; --line:#5b6470; --line-2:#6c7682;
  --ink:#e6eaef; --ink-2:#a4adb8; --ink-3:#79828d; --data:#79b8ff; --band:#1d3a52;
  --on:#aeb8c4; --off:#2f353d; --p1:#ef5350; --p2:#ffa726; --p3:#ffd54f;
  --p1-bg:#3a201d; --p2-bg:#3a2a1b; --p3-bg:#3a3320;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-size:13px;line-height:1.45;-webkit-font-smoothing:antialiased}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.app{max-width:1240px;margin:0 auto;padding:0 14px 28px}
a{color:var(--data);text-decoration:none}
button{font-family:inherit}

/* ---- header / status bar ---- */
.bar{display:flex;align-items:center;gap:14px;height:46px;padding:0 14px;
  background:var(--panel);border:1px solid var(--line);border-bottom:none;margin-top:14px}
.bar .mark{width:20px;height:20px;border:1.5px solid var(--ink);display:flex;align-items:center;
  justify-content:center;font-weight:700;font-size:12px;color:var(--ink)}
.bar .who{font-weight:600;font-size:14px}
.bar .area{color:var(--ink-2);font-size:12.5px}
.bar .sp{flex:1}
.bar .field{display:flex;flex-direction:column;line-height:1.15;padding:0 10px;border-left:1px solid var(--line)}
.bar .field .l{color:var(--ink-3);font-size:10px;letter-spacing:.04em;text-transform:uppercase}
.bar .field .v{font-size:13px;font-weight:600}
.bar .comms{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--ink-2)}
.bar .comms .b{width:8px;height:8px;border:1px solid var(--line-2);background:var(--off)}
.thbtn{margin-left:8px;background:var(--raised);color:var(--ink-2);border:1px solid var(--line);padding:6px 10px;font-size:11.5px;font-family:inherit;cursor:pointer}
.thbtn:hover{border-color:var(--line-2);color:var(--ink)}

/* ---- alarm banner (docked, highest priority + latest) ---- */
.banner{display:flex;align-items:center;gap:10px;height:34px;padding:0 12px;
  background:var(--panel);border:1px solid var(--line);border-top:none;font-size:12.5px;color:var(--ink-2)}
.banner.has{background:var(--p1-bg);border-color:var(--p1)}
.banner .pri{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;
  font-weight:700;font-size:11px;color:#fff;background:var(--p1);clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%)}
.banner .msg{color:var(--ink);font-weight:600}
.banner.quiet .pri{display:none}
.banner .ts{font-family:var(--mono);color:var(--ink-2);font-size:11.5px;margin-left:auto}
.blink{animation:ablink 1s steps(1) infinite}
@keyframes ablink{50%{opacity:.35}}

/* ---- breadcrumb / level nav (ISA-101 hierarchy) ---- */
.crumb{display:flex;align-items:center;gap:8px;height:30px;padding:0 14px;font-size:12px;
  color:var(--ink-2);background:var(--raised);border:1px solid var(--line);border-top:none}
.crumb b{color:var(--ink);font-weight:600}
.crumb .lv{margin-left:auto;display:flex;gap:4px}
.crumb .lv button{padding:3px 9px;border:1px solid var(--line);background:var(--raised);color:var(--ink-2);font-size:11px;font-family:inherit;cursor:pointer}
.crumb .lv button:hover{border-color:var(--line-2);color:var(--ink)}
.crumb .lv button.cur{background:var(--panel);color:var(--ink);font-weight:600;border-color:var(--ink-2)}
/* L3 I/O detail */
#view-io{max-height:420px;overflow:auto}
#view-io .h2{font-size:11px;color:var(--ink-2);text-transform:uppercase;letter-spacing:.04em;padding:9px 10px 4px}
.io-t{width:100%;border-collapse:collapse;font-size:12.5px}
.io-t th{position:sticky;top:0;background:var(--raised);text-align:left;color:var(--ink-2);font-size:10.5px;text-transform:uppercase;letter-spacing:.03em;padding:7px 10px;border-bottom:1px solid var(--line)}
.io-t td{padding:7px 10px;border-bottom:1px solid var(--line)}
.io-t .tag,.io-t .addr{font-family:var(--mono);color:var(--ink-2)}
.io-t .val{font-family:var(--mono);font-weight:600;color:var(--data);text-align:right}
.io-t .st0{color:var(--ink-2)}

/* ---- main layout: mimic + right rail ---- */
.main{display:grid;grid-template-columns:1fr 262px;gap:10px;margin-top:10px}
.mimic{background:var(--panel);border:1px solid var(--line);padding:6px}
.rail{display:flex;flex-direction:column;gap:10px}

/* faceplate / KPI tile */
.fp{background:var(--raised);border:1px solid var(--line);padding:9px 11px}
.fp .l{color:var(--ink-2);font-size:11px;text-transform:uppercase;letter-spacing:.04em}
.fp .row{display:flex;align-items:baseline;gap:6px;margin-top:1px}
.fp .v{font-size:24px;font-weight:600;color:var(--data)}
.fp .u{font-size:11px;color:var(--ink-2)}
.fp .st{font-size:12px;font-weight:600;color:var(--ink)}
/* analog deviation indicator: value vs normal band */
.dev{position:relative;height:10px;margin-top:7px;background:var(--off);border:1px solid var(--line-2)}
.dev .band{position:absolute;top:0;bottom:0;background:var(--band)}
.dev .ptr{position:absolute;top:-3px;width:2px;height:16px;background:var(--ink)}
.spark{display:block;width:100%;height:30px;margin-top:5px}

/* ---- trend + alarm summary ---- */
.lower{display:grid;grid-template-columns:1.25fr 1fr;gap:10px;margin-top:10px}
.card{background:var(--panel);border:1px solid var(--line)}
.card .hd{display:flex;align-items:center;justify-content:space-between;padding:7px 11px;
  border-bottom:1px solid var(--line);font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-2)}
.card .hd .leg{display:flex;gap:12px;text-transform:none;letter-spacing:0}
.card .hd .leg i{display:inline-block;width:10px;height:3px;vertical-align:2px;margin-right:5px}
.trendwrap{padding:8px 11px}
.alm .rows{max-height:150px;overflow-y:auto;overflow-x:hidden}
table.alm-t{width:100%;table-layout:fixed;border-collapse:collapse;font-size:12px}
table.alm-t th:nth-child(1),table.alm-t td:nth-child(1){width:58px}
table.alm-t th:nth-child(2),table.alm-t td:nth-child(2){width:52px}
table.alm-t th:nth-child(3),table.alm-t td:nth-child(3){width:78px}
table.alm-t th:nth-child(5),table.alm-t td:nth-child(5){width:64px}
table.alm-t td:nth-child(4){white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
table.alm-t th{position:sticky;top:0;background:var(--raised);text-align:left;font-weight:600;color:var(--ink-2);
  font-size:10.5px;text-transform:uppercase;letter-spacing:.03em;padding:5px 8px;border-bottom:1px solid var(--line)}
table.alm-t td{padding:5px 8px;border-bottom:1px solid var(--line);color:var(--ink)}
table.alm-t td.pri{display:flex;align-items:center;gap:6px;font-weight:600}
table.alm-t td .ic{width:13px;height:13px;flex:none}
table.alm-t .ts,table.alm-t .tag{font-family:var(--mono);color:var(--ink-2)}
table.alm-t tr.unack{font-weight:600}
table.alm-t tr.rtn td{color:var(--ink-2)}
.state{font-size:10.5px;font-weight:600;padding:1px 6px;border:1px solid var(--line-2);color:var(--ink-2)}
.state.UNACK{color:var(--p1);border-color:var(--p1)}
.state.ACK{color:var(--ink);}

/* ---- control bar ---- */
.ctrl{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-top:10px;padding:9px 11px;
  background:var(--panel);border:1px solid var(--line)}
.btn{min-width:58px;padding:8px 12px;border:1px solid var(--line);background:var(--raised);
  color:var(--ink);font-weight:600;font-size:12px;cursor:pointer}
.btn:hover{border-color:var(--line-2)} .btn:active{background:var(--panel)}
.btn.est{border-color:var(--p1);color:var(--p1)}
.sep{width:1px;height:24px;background:var(--line)}
select,.btn.play{background:var(--raised);color:var(--ink);border:1px solid var(--line);padding:8px 10px;
  font-size:12px;font-family:inherit;cursor:pointer}
input[type=range]{flex:1;min-width:130px;accent-color:var(--data)}
.tspan{font-family:var(--mono);color:var(--ink-2);font-size:12.5px;min-width:96px;text-align:right}
.ctrl :disabled{opacity:.45;cursor:not-allowed}
.foot{color:var(--ink-3);font-size:11px;text-align:center;margin-top:12px}
.hint{display:none;color:var(--p2);font-weight:600;margin-top:10px}

/* faceplate popup (equipment detail + ISA-18.2 alarm rationalisation) */
.fp-ov{position:fixed;inset:0;background:rgba(30,34,40,.4);display:none;align-items:center;justify-content:center;z-index:50}
.fp-ov.show{display:flex}
.fp-pn{background:var(--panel);border:1.5px solid var(--ink-2);min-width:340px;max-width:460px;width:92%}
.fp-pn .h{display:flex;align-items:center;justify-content:space-between;padding:9px 12px;border-bottom:1px solid var(--line);background:var(--raised)}
.fp-pn .h b{font-size:13.5px}
.fp-pn .h .tag{color:var(--ink-2);font-family:var(--mono);font-size:11.5px;margin-left:8px}
.fp-pn .x{cursor:pointer;color:var(--ink-2);border:1px solid var(--line);background:var(--panel);padding:2px 8px;font-size:12px}
.fp-pn .bd{padding:6px 12px 10px}
.fp-row{display:flex;justify-content:space-between;gap:14px;padding:5px 0;border-bottom:1px solid var(--line);font-size:12.5px}
.fp-row .k{color:var(--ink-2)}
.fp-row .vv{font-weight:600;text-align:right}
.fp-row.col{display:block}
.fp-row.col .k{margin-bottom:2px}
.fp-row.col .vv{font-weight:400;text-align:left;color:var(--ink);line-height:1.4}
.fp-pn .ac{display:flex;gap:8px;padding:10px 12px;border-top:1px solid var(--line);justify-content:flex-end}
.mimic [data-fp]{cursor:pointer}
.alm-t tbody tr{cursor:pointer}
@media(max-width:840px){.main,.lower{grid-template-columns:1fr}}