/* NH3 Tanker — Simulator-specific styles (extends shared/simulator-theme.css) */

:root {
  --nh3: #ff8c00;
}

/* ── HEADER ── */

  /* ── PHASE NAV ── */
  #phase-nav {
    background: var(--bg3); border-bottom: 1px solid var(--border);
    display: flex; align-items: center; padding: 0 8px; height: 26px; gap: 2px; overflow-x: auto;
  }
  #phase-nav::-webkit-scrollbar { height: 2px; }
  #phase-nav::-webkit-scrollbar-thumb { background: var(--border2); }
  .phase-btn {
    padding: 2px 10px; font-size: 9px; font-family: var(--font-mono);
    background: transparent; border: 1px solid var(--border); color: var(--muted);
    cursor: pointer; border-radius: 2px; white-space: nowrap; transition: all 0.15s;
  }
  .phase-btn.active { border-color: var(--nh3); color: var(--nh3); background: rgba(255,140,0,0.1); }
  .phase-btn.emg { border-color: var(--red); color: var(--red); }
  .phase-btn.emg.active { background: rgba(255,23,68,0.2); }

  /* ── MAIN GRID ── */
  #main {
    display: grid;
    grid-template-columns: 210px 1fr 215px;
    grid-template-rows: 1fr 215px;
    gap: 4px;
    padding: 4px;
    height: calc(100vh - 68px);
  }

  .panel-

  /* ── GAUGES ── */

  /* ── ALARM PANEL ── */

  /* ── CONTROLS ── */

  .big-btn.esd { background: rgba(255,23,68,0.15); border-color: var(--red); color: var(--red); }
  .big-btn.esd:hover { background: rgba(255,23,68,0.4); }
  .big-btn.esd.fired { background: var(--red2); color: #fff; animation: alarmblink 0.5s infinite; }
  .big-btn.start { background: rgba(0,230,118,0.1); border-color: var(--green); color: var(--green); }
  .big-btn.start:hover { background: rgba(0,230,118,0.25); }
  .big-btn.bunk { background: rgba(255,140,0,0.08); border-color: var(--nh3); color: var(--nh3); }
  .big-btn.bunk:hover { background: rgba(255,140,0,0.2); }
  .big-btn.reset { background: rgba(255,255,255,0.05); border-color: var(--muted); color: var(--muted); }
  .big-btn.reset:hover { color: var(--white); border-color: var(--white); }

  /* ── BOTTOM ── */

  /* ── PPM GRID ── */
  .ppm-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; }
  .ppm-cell { background: rgba(255,255,255,0.03); border: 1px solid var(--border); border-radius: 3px; padding: 5px 7px; }
  .ppm-cell.warn25 { border-color: var(--amber); background: rgba(255,171,0,0.07); }
  .ppm-cell.warn100 { border-color: var(--red); background: rgba(255,23,68,0.1); animation: alarmblink 1s infinite; }
  .ppm-zone { font-size: 9px; color: var(--muted); }
  .ppm-val { font-family: var(--font-mono); font-size: 16px; color: var(--green); margin: 1px 0; }
  .ppm-val.warn { color: var(--amber); }
  .ppm-val.alarm { color: var(--red); }
  .ppm-bar { height: 4px; border-radius: 2px; background: var(--green); transition: width 0.3s, background 0.3s; }

  /* ── SCENARIO BOX ── */

  /* ── TREND CANVAS ── */

  /* ── SEPARATOR ── */

  /* ── SCROLLABLE ── */

  /* ── MODAL ── */

  /* ── IDLH BANNER ── */
  .idlh-banner {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    background: var(--red2); color: #fff; text-align: center;
    padding: 7px; font-size: 13px; font-weight: 700; letter-spacing: 2px;
    z-index: 50; animation: blink 0.5s infinite;
  }

  /* ── TANK STATUS MINI ── */
  .tank-mini { display: grid; grid-template-columns: 1fr 1fr; gap: 3px; margin-bottom: 6px; }
  .tank-mini-cell {
    background: rgba(255,255,255,0.03); border: 1px solid var(--border);
    border-radius: 3px; padding: 4px 6px;
  }
  .tank-mini-label { font-size: 8px; color: var(--muted); }
  .tank-mini-val { font-family: var(--font-mono); font-size: 12px; color: var(--nh3); }

  /* ── PIPELINE LINE-UP ── */
  .pl-sec{font-size:9px;font-family:monospace;color:rgba(255,255,255,.65);letter-spacing:1px;text-transform:uppercase;padding:4px 6px 1px;border-bottom:1px dashed rgba(255,255,255,.06);}
  .pl-row{display:flex;align-items:center;gap:4px;padding:2px 6px;border-bottom:1px solid rgba(255,255,255,.03);}
  .pl-id{font-family:monospace;font-size:10px;color:rgba(255,255,255,.7);min-width:58px;}
  .pl-desc{font-size:10px;color:rgba(255,255,255,.75);flex:1;}
  .pl-vbtn{padding:1px 7px;font-size:8px;font-family:monospace;border-radius:2px;cursor:pointer;border:1px solid;transition:all .12s;flex-shrink:0;}
  .pl-vbtn.open{border-color:#00e676;color:#00e676;background:rgba(0,230,118,.1);}
  .pl-vbtn.closed{border-color:#ff4444;color:#ff4444;background:rgba(255,68,68,.08);}
  .pl-vbtn.req{animation:plreq .8s infinite;}
  .pl-status{margin:4px 6px;padding:3px 8px;border-radius:2px;font-family:monospace;font-size:9px;text-align:center;}
  .pl-status.ok{border:1px solid #00e676;color:#00e676;background:rgba(0,230,118,.06);}
  .pl-status.fault{border:1px solid #ff4444;color:#ff4444;background:rgba(255,68,68,.07);}
  .pl-status.idle{border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.3);}
  .pl-hdr{display:flex;justify-content:space-between;align-items:center;padding:3px 6px;background:rgba(0,0,0,.3);border-top:1px solid rgba(255,255,255,.06);cursor:pointer;}
  .pl-hdr:hover{background:rgba(255,255,255,.04);}