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

#main {
    display: grid;
    grid-template-columns: 220px 1fr 220px;
    grid-template-rows: 1fr 220px;
    gap: 4px;
    padding: 4px;
    height: calc(100vh - 42px);
  }

/* ── SCHEMATIC ── */
  #schematic-panel { grid-row: 1 / 2; }
  #schematic { width: 100%; height: 100%; }
  .ctrl-group { margin-bottom: 8px; }
.big-btn.bunk { background: rgba(0,229,255,0.08); border-color: var(--cyan); color: var(--cyan); }
  .big-btn.bunk:hover { background: rgba(0,229,255,0.2); }
/* ── BOTTOM STRIP ── */
  #bottom { grid-column: 1 / 4; display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 4px; }

  /* ── GAS PPM ZONES ── */
  .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: 18px; 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 STATUS ── */
  .scenario-box {
    background: rgba(0,229,255,0.05); border: 1px solid var(--border2);
    border-radius: 3px; padding: 6px 8px; margin-bottom: 5px;
    font-size: 10px;
  }
  .scenario-title { color: var(--cyan); font-weight: 600; margin-bottom: 2px; }
  .scenario-desc { color: var(--muted); line-height: 1.5; }
  #trendCanvas { width: 100%; height: 80px; display: block; }
.idlh-banner {
    display: none; position: absolute; top: 50px; left: 0; right: 0;
    background: var(--red2); color: #fff; text-align: center;
    padding: 8px; font-size: 14px; font-weight: 700; letter-spacing: 3px;
    z-index: 50; animation: blink 0.5s infinite;
  }