/* Simulate tab – live room, transport, charts, control panel. Loaded after app.css / features.css. */

.simtab {
  height: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  grid-template-rows: minmax(0, 1fr) auto var(--charts-h, minmax(300px, 46%));
  background: var(--bg);
}
.sim-stage { grid-column: 1; grid-row: 1; position: relative; min-height: 0; overflow: hidden; background: var(--canvas); }
.sim-canvas { display: block; width: 100%; height: 100%; touch-action: none; cursor: grab; }
.sim-canvas:active { cursor: grabbing; }
.sim-canvas .world [data-node] { cursor: pointer; }
html.dark-canvas .sim-stage { --canvas: #172539; --grid: #2a3b57; }

/* stage chrome */
.sim-top { position: absolute; top: 14px; left: 14px; z-index: 5; display: flex; gap: 8px; align-items: center; }
.sim-ctl-pill { display: inline-flex; align-items: center; gap: 8px; height: 40px; padding: 0 14px 0 12px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface); color: var(--text); font-weight: 650; font-size: 13.5px; box-shadow: var(--shadow-2); }
.sim-ctl-pill > .ic:first-child { width: 18px; height: 18px; color: var(--accent); }
.sim-ctl-pill .ic-xs { color: var(--text-3); }
.sim-illus { position: absolute; top: 14px; right: 14px; z-index: 5; display: inline-flex; align-items: baseline; gap: 6px; height: 30px; padding: 0 12px; border-radius: 15px; border: 1px dashed color-mix(in srgb, var(--ask) 60%, transparent); background: color-mix(in srgb, var(--surface) 88%, transparent); color: var(--ask); font-size: 12px; line-height: 28px; -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.sim-illus b { font-weight: 750; letter-spacing: 0.04em; text-transform: uppercase; font-size: 11px; }
.sim-illus span { color: var(--text-2); }
.sim-watermark { position: absolute; left: 24px; bottom: 14px; z-index: 1; font-size: clamp(24px, 3.4vw, 44px); font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ask); opacity: 0.07; pointer-events: none; -webkit-user-select: none; user-select: none; }
.sim-ctl-pill .s { display: none; }
.sim-loading { position: absolute; inset: 0; z-index: 6; display: flex; align-items: center; justify-content: center; gap: 12px; background: color-mix(in srgb, var(--canvas) 70%, transparent); color: var(--text-2); font-weight: 600; font-size: 14px; -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px); }
.sim-loading .spin { width: 20px; height: 20px; border-radius: 50%; border: 2.5px solid var(--border-2); border-top-color: var(--accent); animation: spin 0.8s linear infinite; }
.sim-strip { display: none; }
.sim-stage .cv-tools { right: 14px; bottom: 16px; }
.sim-controls-btn { display: none; }
.sim-empty { position: absolute; inset: 0; z-index: 6; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; padding: 24px; text-align: center; background: var(--canvas); }
.sim-empty h2 { font-size: 20px; letter-spacing: -0.01em; }
.sim-empty p { color: var(--text-2); max-width: 460px; }
.sim-empty .empty-ic { width: 64px; height: 64px; border-radius: 20px; display: grid; place-items: center; background: var(--surface); box-shadow: var(--shadow-2); color: var(--accent); }
.sim-empty .empty-ic .ic { width: 30px; height: 30px; }
.sim-empty .sim-issues { max-width: 520px; text-align: left; }
.simtab.is-empty .sim-transport, .simtab.is-empty .sim-charts { opacity: 0.4; pointer-events: none; }

/* live overlay */
.simfx .sim-flow { transition: stroke-width 0.4s var(--ease); pointer-events: none; }
.simfx .sim-node, .simfx .sim-il { pointer-events: none; }
.simfx text { font-variant-numeric: tabular-nums; }
.simfx .sim-bar { transition: width 0.25s var(--ease); }

/* transport */
.sim-transport { position: relative; grid-column: 1; grid-row: 2; display: flex; align-items: center; gap: 12px; padding: 8px 14px; background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); min-width: 0; }
.sim-split { position: absolute; left: 0; right: 0; top: -5px; height: 10px; z-index: 4; cursor: row-resize; touch-action: none; }
.sim-split::after { content: ''; position: absolute; left: 50%; top: 3px; width: 44px; height: 4px; margin-left: -22px; border-radius: 2px; background: var(--border-2); opacity: 0; transition: opacity 0.15s; }
.sim-split:hover::after, .sim-split:focus-visible::after, .simtab.is-resizing .sim-split::after { opacity: 1; }
.sim-split:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.simtab.is-resizing { cursor: row-resize; -webkit-user-select: none; user-select: none; }
.sim-play { --h: 40px; border-radius: 12px; flex: none; }
.sim-play .ic { width: 20px; height: 20px; }
.simtab.is-playing .sim-play { box-shadow: 0 0 0 4px var(--accent-soft); }
.sim-speed { flex: none; }
.sim-speed button { font-variant-numeric: tabular-nums; padding: 0 9px; }
.sim-speed-sel { display: none; }
.sim-clock { display: flex; flex-direction: column; line-height: 1.15; min-width: 104px; flex: none; }
.sim-clock b { font-size: 15px; font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
.sim-clock span { font-size: 11px; color: var(--text-3); }
.sim-scrub { position: relative; flex: 1; min-width: 80px; height: 34px; border-radius: 8px; background: var(--surface-2); border: 1px solid var(--border); cursor: pointer; overflow: hidden; touch-action: none; }
.sim-scrub:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.sim-scrub canvas { position: absolute; inset: 0; width: 100%; height: 100%; }

/* charts */
.sim-charts { grid-column: 1; grid-row: 3; min-height: 0; display: grid; grid-template-rows: auto minmax(0, 1fr); background: var(--surface); }
.sc-head { display: flex; align-items: center; gap: 10px; padding: 8px 14px 2px; min-width: 0; }
.sc-pick { display: none; }
.sc-legend { flex: 1; display: flex; flex-wrap: wrap; gap: 4px 14px; min-width: 0; font-size: 12px; color: var(--text-2); overflow: hidden; max-height: 36px; }
.sc-legend span { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.sc-legend i { width: 10px; height: 10px; border-radius: 3px; }
.sc-body { position: relative; min-height: 0; display: grid; grid-template-rows: 1.1fr 1fr minmax(calc(24px + var(--rows, 4) * 12px), 0.9fr); padding: 0 6px 4px; }
.sc-c { position: relative; min-height: 0; }
.sc-c canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.sc-t { position: absolute; top: 2px; left: 84px; z-index: 1; font-size: 11px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; color: var(--text-3); pointer-events: none; }
.sc-tip { position: absolute; z-index: 3; display: flex; flex-direction: column; gap: 2px; min-width: 200px; padding: 8px 10px; border-radius: 10px; background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-2); font-size: 12px; color: var(--text-2); pointer-events: none; font-variant-numeric: tabular-nums; }
.sc-tip > b { color: var(--text); font-size: 12.5px; }
.sc-tip span b { color: var(--text); }

/* control panel */
.sim-panel { grid-column: 2; grid-row: 1 / 4; min-height: 0; overflow: auto; background: var(--surface); border-left: 1px solid var(--border); padding-bottom: 24px; }
.sim-panel.in-sheet { border: 0; overflow: visible; }
.sp-head { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 14px 16px 12px; background: var(--surface); border-bottom: 1px solid var(--border); }
.in-sheet .sp-head { position: static; padding-top: 0; }
.sp-head h2 { font-size: 16px; letter-spacing: -0.01em; }
.sp-conf { display: inline-flex; align-items: center; gap: 5px; margin-top: 2px; font-size: 11.5px; font-weight: 650; color: var(--ask); }
.sp-conf .ic { width: 13px; height: 13px; }
.sp-kpis { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 14px 16px 6px; }
.kpi { display: flex; flex-direction: column; gap: 1px; padding: 10px 12px; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--border); }
.kpi span { font-size: 11.5px; color: var(--text-3); font-weight: 600; }
.kpi b { font-size: 21px; font-weight: 700; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.kpi small { font-size: 11px; color: var(--text-3); }
.kpi-row { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 12px; color: var(--text-2); font-variant-numeric: tabular-nums; padding: 2px 2px 0; }
.kpi-row span { white-space: nowrap; }
.kpi-row span:empty { display: none; }
.sp-sec { padding: 14px 16px 4px; }
.sp-sec + .sp-sec { border-top: 1px solid var(--border); margin-top: 8px; }
.sp-sec h3 { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; font-size: 12px; font-weight: 750; letter-spacing: 0.05em; text-transform: uppercase; color: var(--text-3); margin-bottom: 10px; }
.sp-sec h3 small { text-transform: none; letter-spacing: 0; font-weight: 500; font-size: 11.5px; }
.sp-slider { display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; }
.sp-slider > span { display: flex; justify-content: space-between; font-size: 13.5px; font-weight: 600; }
.sp-slider b { font-variant-numeric: tabular-nums; color: var(--accent); }
.sp-slider input[type='range'] { width: 100%; accent-color: var(--accent); height: 28px; }
.sp-sec .p-hint { margin: -6px 0 10px; }
.sp-btns { display: flex; gap: 8px; margin: 4px 0 8px; }
.sp-machines { display: flex; flex-direction: column; gap: 6px; }
.sp-m { display: flex; align-items: center; gap: 10px; width: 100%; padding: 10px 10px 10px 12px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface); text-align: left; color: var(--text); transition: border-color 0.15s, background 0.15s; }
.sp-m:hover { border-color: var(--border-2); background: var(--surface-2); }
.sp-m .sw { width: 10px; height: 28px; border-radius: 4px; flex: none; }
.sp-m-t { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.sp-m-t b { font-size: 13.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sp-m-t small { font-size: 11.5px; color: var(--text-3); }
.sp-m-st { display: flex; flex-direction: column; align-items: flex-end; gap: 3px; }
.sp-m > .ic-xs { color: var(--text-3); flex: none; }
.st { display: inline-flex; align-items: center; height: 20px; padding: 0 8px; border-radius: 10px; font-size: 11px; font-weight: 700; white-space: nowrap; background: var(--surface-3); color: var(--text-2); }
.st-loaded { background: var(--accent-soft); color: var(--accent); }
.st-reloading, .st-starting { background: var(--surface-3); color: var(--text); background-image: repeating-linear-gradient(135deg, transparent 0 5px, color-mix(in srgb, var(--text-3) 22%, transparent) 5px 8px); }
.st-blowdown, .st-unloaded { background: var(--warn-soft); color: var(--warn-ink); }
.st-off { color: var(--text-3); }
.st-cycling { background: var(--accent-soft); color: var(--accent); background-image: repeating-linear-gradient(135deg, transparent 0 6px, color-mix(in srgb, var(--warn) 22%, transparent) 6px 10px); }
.sc-win-sel { display: none; }
.st-manual { background: var(--ask-soft); color: var(--ask); }
.sim-issues { list-style: none; display: flex; flex-direction: column; gap: 8px; margin: 0 0 12px; padding: 0; }
.sim-issues li { display: grid; grid-template-columns: 16px minmax(0, 1fr) auto; gap: 8px; align-items: start; font-size: 12.5px; color: var(--text-2); line-height: 1.4; }
.sim-issues li .ic { width: 15px; height: 15px; margin-top: 2px; }
.sim-issues .lvl-warn .ic { color: var(--warn); }
.sim-issues .lvl-info .ic { color: var(--text-3); }
.sim-issues .lvl-demo .ic { color: var(--ask); }
.sim-issues .linkish { padding: 0; font-weight: 650; color: var(--accent); }
.sp-flds { margin-bottom: 12px; }
.src-list { list-style: none; display: flex; flex-direction: column; gap: 12px; padding: 0; margin: 0 0 14px; }
.src-list li { display: flex; flex-direction: column; gap: 2px; font-size: 13px; }
.src-list span { color: var(--text-2); font-size: 12.5px; }

/* machine card */
.is-simmachine .sheet { width: min(560px, calc(100vw - 32px)); }
.mc h3 { display: flex; align-items: baseline; justify-content: space-between; font-size: 12px; font-weight: 750; letter-spacing: 0.05em; text-transform: uppercase; color: var(--text-3); margin: 18px 0 10px; }
.mc h3 small { text-transform: none; letter-spacing: 0; font-weight: 500; }
.mc-live { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 16px; padding: 12px 14px; border-radius: 14px; background: var(--surface-2); border: 1px solid var(--border); font-size: 13px; color: var(--text-2); font-variant-numeric: tabular-nums; }
.mc-live b { color: var(--text); font-size: 16px; }
.mc-sub { flex-basis: 100%; font-size: 12px; color: var(--text-3); }
.mc-modes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
.mc-modes .chip { justify-content: center; }
.mc-ctl { margin-bottom: 10px; }
.mc-ctl-t { font-weight: 650; margin-bottom: 8px; }
.mc-rows { display: flex; flex-direction: column; }
.mc-row { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 10px; align-items: center; padding: 9px 0; border-top: 1px solid var(--border); font-size: 13.5px; }
.mc-row b { font-variant-numeric: tabular-nums; }
.mc-row small { color: var(--text-3); font-weight: 500; }
.mc-row .inp-wrap { width: 130px; }
.mc-row .inp { height: 36px; padding-right: 54px; }
.srcchip { display: inline-flex; align-items: center; height: 20px; padding: 0 8px; border-radius: 6px; border: 0; font-size: 10.5px; font-weight: 700; letter-spacing: 0.02em; background: var(--surface-3); color: var(--text-2); white-space: nowrap; }
.srcchip.est { background: var(--warn-soft); color: var(--warn-ink); cursor: help; }
.srcchip.def { background: var(--surface-3); color: var(--text-3); cursor: help; }
.srcchip.in { background: var(--accent-soft); color: var(--accent); }
.srcchip.log { background: color-mix(in srgb, var(--ok) 16%, transparent); color: var(--ok); }

/* tablet */
@media (min-width: 900px) and (max-width: 1180px) {
  .simtab { grid-template-columns: minmax(0, 1fr) 320px; }
  .sim-speed { display: none; }
  .sim-speed-sel { display: block; }
  .sim-speed-sel .inp { height: 36px; width: 110px; }
}

/* phone */
@media (max-width: 899px) {
  .simtab { grid-template-columns: minmax(0, 1fr); grid-template-rows: minmax(210px, 44%) auto minmax(0, 1fr); }
  .sim-panel:not(.in-sheet) { display: none; }
  .sim-top { top: 10px; left: 10px; right: 10px; }
  .sim-ctl-pill { height: 36px; font-size: 12.5px; padding: 0 10px; }
  .sim-ctl-pill .l { display: none; }
  .sim-ctl-pill .s { display: inline; }
  .sim-strip { display: flex; position: absolute; z-index: 5; top: 54px; left: 0; right: 0; gap: 6px; padding: 0 10px 4px; overflow-x: auto; scrollbar-width: none; }
  .sim-strip::-webkit-scrollbar { display: none; }
  .ms-chip { flex: none; display: inline-flex; align-items: center; gap: 6px; height: 34px; padding: 0 10px 0 8px; border-radius: 17px; border: 1px solid var(--border); background: color-mix(in srgb, var(--surface) 92%, transparent); color: var(--text); font-size: 12.5px; box-shadow: var(--shadow-1); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
  .ms-chip i { width: 9px; height: 9px; border-radius: 50%; flex: none; }
  .ms-chip b { font-weight: 700; }
  .ms-chip span { font-weight: 650; font-variant-numeric: tabular-nums; color: var(--text-2); }
  .ms-chip .st-loaded { color: var(--accent); }
  .ms-chip .st-cycling { color: var(--accent); background: none; }
  .ms-chip .st-unloaded, .ms-chip .st-blowdown { color: var(--warn-ink); }
  .sim-split { display: none; }
  .sim-illus { top: auto; bottom: 12px; left: 10px; right: auto; }
  .sim-illus span { display: none; }
  .sim-data { top: auto; bottom: 12px; left: 10px; right: auto; }
  .sim-data span { display: none; }
  .sim-watermark { display: none; }
  .sim-stage .cv-tools { top: auto; bottom: 12px; right: 12px; }
  .sim-controls-btn { display: inline-flex; position: absolute; z-index: 5; bottom: 12px; right: 64px; --h: 40px; box-shadow: var(--shadow-2); }
  .sim-transport { gap: 8px; padding: 6px 10px; flex-wrap: wrap; }
  .sim-speed { display: none; }
  .sim-speed-sel { display: block; }
  .sim-speed-sel .inp { height: 40px; width: 104px; font-size: 15px; }
  .sim-clock { min-width: 0; }
  .sim-scrub { order: 5; flex-basis: 100%; height: 30px; }
  .sc-head { padding: 6px 10px 0; }
  .sc-pick { display: inline-flex; }
  .sc-stack, .sc-legend { display: none; }
  .sc-win { display: none; }
  .sc-win-sel { display: block; margin-left: auto; }
  .sc-win-sel .inp { height: 34px; width: 92px; font-size: 14px; }
  .sc-body { grid-template-rows: minmax(0, 1fr); padding: 0 2px 4px; }
  .sc-c { display: none; }
  .sim-charts[data-chart='pressure'] [data-c='pressure'],
  .sim-charts[data-chart='flow'] [data-c='stack'],
  .sim-charts[data-chart='power'] [data-c='stack'],
  .sim-charts[data-chart='timeline'] [data-c='timeline'] { display: block; }
  .sc-t { display: none; }
  .mc-modes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mc-row { grid-template-columns: minmax(0, 1fr) auto; }
  .mc-row .srcchip { grid-column: 1 / -1; justify-self: start; margin-top: -4px; }
  .sp-kpis { padding: 4px 0 6px; }
  .sp-sec { padding: 14px 0 4px; }
}

/* ---------- logged data ---------- */
.sim-data { position: absolute; top: 14px; right: 14px; z-index: 5; display: inline-flex; align-items: baseline; gap: 6px; height: 30px; padding: 0 12px; border-radius: 15px; border: 1px solid color-mix(in srgb, var(--ok) 55%, transparent); background: color-mix(in srgb, var(--surface) 90%, transparent); color: var(--ok); font-size: 12px; line-height: 28px; -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.sim-data b { font-weight: 750; letter-spacing: 0.04em; text-transform: uppercase; font-size: 11px; }
.sim-data span { color: var(--text-2); }
.sp-conf.is-c { color: var(--ok); }
.sp-data-p { font-size: 13px; color: var(--text-2); margin: -4px 0 10px; }
.sp-check { border: 1px solid var(--border); border-radius: 12px; padding: 10px 12px; margin-bottom: 10px; font-size: 12.5px; background: var(--surface-2); }
.sp-check > b { display: flex; align-items: center; gap: 6px; font-size: 13px; margin-bottom: 6px; }
.sp-check.v-pass { border-color: color-mix(in srgb, var(--ok) 45%, var(--border)); }
.sp-check.v-pass > b { color: var(--ok); }
.sp-check.v-warn, .sp-check.v-fail { border-color: color-mix(in srgb, var(--warn) 55%, var(--border)); }
.sp-check.v-warn > b { color: var(--warn); }
.sp-check.v-fail > b { color: var(--danger); }
.sp-check ul { list-style: none; display: grid; gap: 4px; margin-bottom: 6px; }
.sp-check li { display: grid; grid-template-columns: 16px 1fr auto; column-gap: 6px; align-items: baseline; }
.sp-check li small { grid-column: 2 / 4; color: var(--text-3); font-size: 11px; margin-top: -2px; }
.sp-check li.ok .ic { color: var(--ok); }
.sp-check li.bad .ic { color: var(--warn); }
.sp-check > small { color: var(--text-3); font-size: 11px; }
.sp-check > p { color: var(--text-2); margin-bottom: 6px; }
.sp-power { border-top: 1px solid var(--border); padding-top: 8px; margin: 6px 0; }
.sp-power > b { display: block; font-size: 12.5px; margin-bottom: 4px; }
.sp-power .sp-btns { margin-top: 6px; display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.sp-check .sp-cause { color: var(--text); background: color-mix(in srgb, var(--warn) 10%, transparent); border-radius: 8px; padding: 6px 8px; }
.im-sugg { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 6px 0 10px; font-size: 13px; color: var(--text-2); }
.im-sugg .btn { margin-left: auto; }
.im-bal { margin: 12px 0; padding: 10px 12px; border: 1px solid var(--border); border-radius: 12px; }
.im-bal > b { font-size: 13px; }
.im-bal-k { float: right; font-size: 11.5px; color: var(--text-2); }
.im-bal-k .leg-sw.a { background: var(--text-2); }
.im-bal-c { display: block; width: 100%; height: 130px; margin-top: 6px; }
.im-help { margin: 6px 0 12px; font-size: 13px; color: var(--text-2); }
.im-help summary { cursor: pointer; font-weight: 600; display: flex; gap: 6px; align-items: center; }
.im-help p, .im-help ul { margin: 6px 0 0 18px; }
.im-sugg.is-warn { color: var(--text); background: color-mix(in srgb, var(--warn) 10%, transparent); border-radius: 8px; padding: 8px 10px; }
.im-sugg.is-warn .ic { color: var(--warn); flex: none; }
.im-sugg.is-warn span { flex: 1; min-width: 0; }
.sp-check.is-busy { display: flex; align-items: center; gap: 8px; color: var(--text-2); }
.sp-check .spin, .im-busy .spin { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--border-2); border-top-color: var(--accent); animation: spin 0.8s linear infinite; flex: none; }

/* import wizard */
.is-simimport .sheet { width: min(1060px, calc(100vw - 32px)); max-height: 92dvh; display: flex; flex-direction: column; }
.is-simimport .sheet-body { flex: 1; min-height: 0; }
.is-simimport .sheet-foot { justify-content: space-between; }
.is-simimport.is-drag .im-drop { border-color: var(--accent); background: var(--accent-soft); }
.im-steps { display: flex; gap: 4px; list-style: none; margin: 4px 0 16px; overflow-x: auto; }
.im-steps li { flex: 1; min-width: max-content; }
.im-steps button { display: flex; align-items: center; gap: 8px; width: 100%; padding: 8px 10px; border-radius: 10px; border: 0; background: transparent; color: var(--text-3); font-weight: 650; font-size: 13px; cursor: default; }
.im-steps button span { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; border: 1.5px solid var(--border-2); font-size: 11.5px; }
.im-steps li.on button { color: var(--text); background: var(--surface-2); }
.im-steps li.on button span { border-color: var(--accent); color: var(--accent); }
.im-steps li.done button { color: var(--text-2); cursor: pointer; }
.im-steps li.done button span { border-color: var(--ok); background: var(--ok); color: var(--status-ink); }
.im-steps li.done button:hover { background: var(--surface-2); }
.im-busy { display: flex; align-items: center; gap: 10px; padding: 40px 0; justify-content: center; color: var(--text-2); font-weight: 600; }
.im-err { display: flex; gap: 8px; align-items: baseline; color: var(--danger); margin-bottom: 12px; font-weight: 600; }
.im-drop { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 34px 20px; border: 2px dashed var(--border-2); border-radius: 16px; text-align: center; cursor: pointer; color: var(--text-2); transition: border-color 0.15s, background 0.15s; }
.im-drop:hover, .im-drop:focus-visible { border-color: var(--accent); outline: none; }
.im-drop > .ic { width: 28px; height: 28px; color: var(--accent); }
.im-drop b { color: var(--text); font-size: 15px; }
.im-drop span { font-size: 12.5px; }
.im-files { list-style: none; margin-top: 12px; display: grid; gap: 4px; }
.im-files li { display: grid; grid-template-columns: 18px 1fr auto 34px; gap: 8px; align-items: center; padding: 4px 4px 4px 10px; border-radius: 10px; background: var(--surface-2); font-size: 13.5px; }
.im-files li span { color: var(--text-3); font-size: 12px; }
.im-layout { margin-bottom: 18px; }
.im-layout h3 { font-size: 14px; margin-bottom: 6px; display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: baseline; }
.im-layout h3 small { font-weight: 500; color: var(--text-3); font-size: 12px; }
.im-time { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; font-size: 13px; color: var(--text-2); padding: 8px 10px; border-radius: 10px; background: var(--surface-2); margin-bottom: 8px; }
.im-time label { display: inline-flex; align-items: center; gap: 6px; }
.im-time.is-warn { background: color-mix(in srgb, var(--warn) 14%, var(--surface)); }
.im-time.is-warn b { color: var(--warn); }
.inp.sm { height: 32px; font-size: 13px; padding: 0 8px; border-radius: 8px; width: auto; }
select.inp.sm { padding-right: 26px; background-position: calc(100% - 14px) 14px, calc(100% - 9px) 14px; }
.im-cols { display: grid; gap: 2px; }
.im-col { display: grid; grid-template-columns: minmax(120px, 1.1fr) minmax(170px, 1fr) minmax(170px, 1.2fr) 150px; gap: 10px; align-items: center; padding: 4px 6px; border-radius: 8px; font-size: 13px; }
.im-col:hover { background: var(--surface-2); }
.im-cn { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 600; }
.im-cn small { color: var(--text-3); font-weight: 500; }
.im-col > span:nth-child(2) { display: flex; align-items: center; gap: 6px; }
.im-det { display: flex; align-items: center; gap: 6px; flex-wrap: nowrap; min-width: 0; }
.im-det .inp, .im-col .inp, .im-ch-r .inp, .im-time .inp { width: auto; min-width: 0; }
.im-chn { display: inline-flex; flex-direction: row; align-items: center; gap: 4px; color: var(--text-3); font-size: 12px; white-space: nowrap; margin: 0; }
.im-chn .inp { width: 46px; }
.im-ai { color: var(--text-3); font-family: ui-monospace, monospace; font-size: 11.5px; }
.im-guess { font-size: 10.5px; font-weight: 700; letter-spacing: 0.03em; text-transform: uppercase; color: var(--ask); border: 1px dashed color-mix(in srgb, var(--ask) 55%, transparent); border-radius: 6px; padding: 1px 5px; white-space: nowrap; }
.im-fixed { font-weight: 650; color: var(--text-2); }
.im-val { display: flex; align-items: center; gap: 8px; min-width: 0; }
.im-val small { color: var(--text-3); font-size: 11.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.im-spark { width: 64px; height: 20px; flex: none; }
.im-spark path { fill: none; stroke: var(--accent); stroke-width: 1.3; }
.im-unused { margin-top: 6px; }
.im-unused summary { cursor: pointer; color: var(--text-2); font-size: 13px; padding: 6px; font-weight: 600; }
.im-warn { list-style: none; display: grid; gap: 4px; margin-bottom: 12px; }
.im-warn li { display: flex; gap: 8px; align-items: baseline; color: var(--warn); font-size: 13px; }
.im-fit { display: flex; gap: 8px; align-items: baseline; font-size: 13px; color: var(--text-2); margin-bottom: 12px; }
.im-ch { display: grid; gap: 2px; }
.im-ch-h, .im-ch-r { display: grid; grid-template-columns: 100px 130px 110px 150px minmax(220px, 1fr); gap: 10px; align-items: center; padding: 6px; font-size: 13px; }
.im-ch-h { color: var(--text-3); font-size: 11.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; }
.im-ch-r { border-radius: 8px; }
.im-ch-r:hover { background: var(--surface-2); }
.im-ch-r > span:last-child { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.im-ch-r select { max-width: 100%; }
.im-sigs { color: var(--text-3); font-size: 12px; font-family: ui-monospace, monospace; }
.im-conf { font-size: 11px; font-weight: 700; border-radius: 6px; padding: 1px 6px; }
.im-conf.c-high { color: var(--ok); background: color-mix(in srgb, var(--ok) 14%, transparent); }
.im-conf.c-medium { color: var(--accent); background: var(--accent-soft); }
.im-conf.c-low { color: var(--warn); background: color-mix(in srgb, var(--warn) 14%, transparent); }
.im-cov { margin: 6px 0 14px; }
.im-cov-bar { position: relative; height: 26px; border-radius: 8px; background: var(--surface-3); overflow: hidden; }
.im-cov-bar i { position: absolute; top: 0; bottom: 0; }
.im-cov-bar i.f { background: color-mix(in srgb, var(--accent) 55%, transparent); border-right: 1px solid var(--surface); }
.im-cov-bar i.g { background: var(--danger); opacity: 0.75; }
.im-cov-bar i.d { width: 1px; background: var(--text-3); opacity: 0.45; }
.im-cov-l { display: flex; justify-content: space-between; color: var(--text-3); font-size: 11.5px; margin-top: 4px; }
.im-facts { list-style: none; padding: 0; margin: 0; display: grid; gap: 5px; font-size: 13.5px; color: var(--text-2); }
.im-files, .im-warn, .im-steps, .sp-check ul { padding: 0; }
.im-facts li { padding-left: 14px; position: relative; }
.im-facts li::before { content: ''; position: absolute; left: 3px; top: 0.6em; width: 4px; height: 4px; border-radius: 50%; background: var(--text-3); }
.im-facts li.is-warn { color: var(--warn); }
.im-sec { margin-bottom: 18px; }
.im-sec h3 { font-size: 12px; font-weight: 750; letter-spacing: 0.05em; text-transform: uppercase; color: var(--text-3); margin-bottom: 8px; }
.im-ctl { display: flex; gap: 8px; align-items: baseline; margin-top: 10px; padding: 8px 10px; border-radius: 10px; background: var(--surface-2); font-weight: 600; font-size: 13.5px; }
.im-ctl.k-master .ic { color: var(--accent); }
.im-opt { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border: 1px solid var(--border); border-radius: 12px; margin-bottom: 6px; cursor: pointer; }
.im-opt:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.im-opt:has(input:disabled) { opacity: 0.5; cursor: default; }
.im-opt input { margin-top: 3px; accent-color: var(--accent); }
.im-opt span { display: grid; gap: 2px; }
.im-opt small { color: var(--text-2); font-size: 12.5px; }
.im-chk { display: flex; gap: 8px; align-items: center; font-size: 13px; color: var(--text-2); margin: 6px 2px; }
.im-chk input { accent-color: var(--accent); }
@media (max-width: 899px) {
  .is-simimport .sheet { width: 100%; max-height: 94dvh; }
  .is-simmachine .sheet { width: 100%; }
  .im-steps button { font-size: 0; gap: 0; padding: 6px; justify-content: center; }
  .im-steps li.on button { font-size: 12.5px; gap: 6px; }
  .im-col { grid-template-columns: 1fr 1fr; row-gap: 4px; padding: 8px 6px; border-bottom: 1px solid var(--border); border-radius: 0; }
  .im-val { grid-column: 1 / 3; }
  .im-ch-h { display: none; }
  .im-ch-r { grid-template-columns: 1fr 1fr; row-gap: 4px; border-bottom: 1px solid var(--border); border-radius: 0; }
  .im-ch-r > span:last-child { grid-column: 1 / 3; }
}

/* ---------- compare view ---------- */
.cmp-what { border: 1px solid var(--border); border-radius: 12px; padding: 8px 12px; margin-bottom: 10px; }
.cmp-what summary { cursor: pointer; font-weight: 700; font-size: 13px; }
.cmp-what[open] summary { margin-bottom: 8px; }
.cmp-sens h3 { margin-top: 14px; }
.cmp-tor { display: grid; gap: 6px; margin: 8px 0; }
.cmp-tor-r { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr) auto; gap: 8px; align-items: center; font-size: 12px; }
.cmp-tor-l { display: grid; min-width: 0; }
.cmp-tor-l small { color: var(--text-3); font-size: 10.5px; }
.cmp-tor-b { position: relative; height: 12px; background: var(--surface-3); border-radius: 4px; }
.cmp-tor-b i { position: absolute; top: 0; bottom: 0; background: var(--accent); border-radius: 4px; min-width: 2px; }
.cmp-tor-b em { position: absolute; top: -3px; bottom: -3px; width: 2px; margin-left: -1px; background: var(--text); }
.cmp-tor-v { font-variant-numeric: tabular-nums; color: var(--text-2); white-space: nowrap; }
.cmp-year-in { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.cmp-year-in .sp-num { display: grid; gap: 4px; font-size: 12px; color: var(--text-2); }
:root { --cmp-b: #f5a524; }
.simtab.is-compare > :not(.sim-cmp-host) { visibility: hidden; }
.sim-cmp-host { grid-column: 1 / -1; grid-row: 1 / -1; z-index: 20; display: flex; flex-direction: column; min-height: 0; background: var(--bg); }
.sim-cmp-head { display: flex; align-items: center; gap: 12px; padding: 8px 14px; border-bottom: 1px solid var(--border); background: var(--surface); }
.sim-cmp-head h2 { font-size: 15px; letter-spacing: -0.01em; }
.sim-cmp-body { flex: 1; min-height: 0; }
.cmp { height: 100%; display: grid; grid-template-columns: minmax(0, 1fr) 390px; grid-template-rows: minmax(0, 1fr) auto minmax(240px, 36%); }
.cmp-rooms { grid-column: 1; grid-row: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--border); min-height: 0; }
.cmp-room { position: relative; min-height: 0; background: var(--canvas); overflow: hidden; }
html.dark-canvas .cmp-room { --canvas: #172539; }
.cmp-room header { position: absolute; top: 8px; left: 8px; right: 8px; z-index: 2; display: flex; align-items: center; gap: 8px; }
.cmp-room header select { min-width: 0; flex: 0 1 auto; max-width: 60%; background-color: var(--surface); }
.cmp-tag { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 8px; font-weight: 800; font-size: 13px; color: #06121f; background: var(--accent); flex: none; }
.cmp-room[data-side="B"] .cmp-tag { background: var(--cmp-b); }
.cmp-now { margin-left: auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; padding: 4px 10px; border-radius: 10px; background: color-mix(in srgb, var(--surface) 90%, transparent); border: 1px solid var(--border); font-size: 12.5px; color: var(--text-2); font-variant-numeric: tabular-nums; white-space: nowrap; }
.cmp-svg { display: block; width: 100%; height: 100%; touch-action: none; }
.cmp-wait { position: absolute; inset: 0; z-index: 3; display: flex; align-items: center; justify-content: center; gap: 10px; background: color-mix(in srgb, var(--canvas) 75%, transparent); color: var(--text-2); font-weight: 600; font-size: 13.5px; }
.cmp-wait .spin, .cmp-run .spin { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--border-2); border-top-color: var(--accent); animation: spin 0.8s linear infinite; }
.cmp-transport { grid-column: 1; grid-row: 2; display: flex; align-items: center; gap: 10px; padding: 8px 12px; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--surface); }
.cmp-transport .cmp-scrub { flex: 1; }
.cmp-side { display: none; }
.cmp-charts { grid-column: 1; grid-row: 3; display: grid; grid-template-rows: repeat(4, minmax(0, 1fr)); min-height: 0; padding: 4px 0; background: var(--surface); }
.cmp-c { position: relative; min-height: 0; }
.cmp-c canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.cmp-c .sc-t { text-transform: none; letter-spacing: 0; font-size: 11.5px; }
.leg-sw { display: inline-block; width: 14px; height: 3px; border-radius: 2px; vertical-align: middle; margin: 0 4px 0 10px; }
.leg-sw.a { background: var(--accent); }
.leg-sw.b { background: var(--cmp-b); }
.cmp-side-panel { grid-column: 2; grid-row: 1 / -1; overflow: auto; border-left: 1px solid var(--border); padding: 12px; background: var(--surface); }
.cmp-tier { display: flex; gap: 8px; align-items: baseline; font-size: 12.5px; color: var(--text-2); margin-bottom: 10px; }
.cmp-tier.t-D { color: var(--ask); }
.cmp-card { border: 1px solid var(--border); border-radius: 12px; padding: 10px 12px; margin-bottom: 8px; background: var(--surface); }
.cmp-card.is-a { border-color: var(--accent); }
.cmp-card.is-b { border-color: var(--cmp-b); }
.cmp-card.is-a.is-b { border-color: var(--accent) var(--cmp-b) var(--cmp-b) var(--accent); }
.cmp-card header { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.cmp-card h4 { font-size: 14px; }
.cmp-ab { display: flex; gap: 4px; }
.cmp-ab .chip.sm { min-width: 30px; height: 26px; padding: 0 8px; }
.cmp-sum { font-size: 12px; color: var(--text-3); margin: 2px 0 6px; }
.cmp-e { font-size: 12.5px; color: var(--text-2); font-variant-numeric: tabular-nums; }
.cmp-e b { color: var(--text); }
.cmp-save { display: flex; align-items: baseline; gap: 8px; margin-top: 4px; font-size: 12px; color: var(--text-2); }
.cmp-save b { font-size: 18px; letter-spacing: -0.01em; }
.cmp-save.pos b { color: var(--ok); }
.cmp-save.neg b { color: var(--warn); }
.cmp-nc { display: flex; gap: 6px; align-items: baseline; margin-top: 4px; font-size: 12.5px; font-weight: 600; color: var(--danger); }
.cmp-flags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 6px; }
.cmp-flags span { font-size: 11px; font-weight: 650; color: var(--warn); border: 1px solid color-mix(in srgb, var(--warn) 50%, transparent); border-radius: 6px; padding: 1px 6px; }
.cmp-run { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--text-3); }
.cmp-quality h3 { font-size: 12px; font-weight: 750; letter-spacing: 0.05em; text-transform: uppercase; color: var(--text-3); margin: 14px 0 6px; }
.cmp-qt { overflow-x: auto; }
.cmp-qt table { border-collapse: collapse; font-size: 12px; font-variant-numeric: tabular-nums; min-width: 100%; }
.cmp-qt th, .cmp-qt td { padding: 5px 6px; border-bottom: 1px solid var(--border); text-align: right; white-space: nowrap; }
.cmp-qt tr > th:first-child { text-align: left; font-weight: 600; color: var(--text-2); white-space: normal; min-width: 130px; }
.cmp-qt th small { color: var(--text-3); font-weight: 500; }
.cmp-qt tr:first-child th { font-size: 11px; color: var(--text-3); font-weight: 700; vertical-align: bottom; white-space: normal; }
.cmp-qt td.best { color: var(--ok); font-weight: 750; }
@media (max-width: 899px) {
  .sim-cmp-body { overflow: auto; }
  .cmp { height: auto; grid-template-columns: 1fr; grid-template-rows: 46vh auto 260px auto; }
  .cmp-rooms { grid-template-columns: 1fr; }
  .cmp[data-side="A"] .cmp-room[data-side="B"], .cmp[data-side="B"] .cmp-room[data-side="A"] { display: none; }
  .cmp-side { display: inline-flex; }
  .cmp-transport { flex-wrap: wrap; }
  .cmp-transport .cmp-scrub { flex-basis: 100%; }
  .cmp-side-panel { grid-column: 1; grid-row: 4; border-left: 0; border-top: 1px solid var(--border); }
  .sim-cmp-btn .l { display: none; }
  .sim-cmp-btn .s { display: inline; }
}

/* chart zoom: the slice being dragged */
.sc-sel { position: absolute; top: 0; bottom: 0; background: color-mix(in srgb, var(--accent) 16%, transparent); border-left: 1px solid var(--accent); border-right: 1px solid var(--accent); pointer-events: none; z-index: 3; }
.sc-zoom { margin-left: 6px; }

/* chart legends and the tooltip's rows per compressor */
.sc-lgs { position: absolute; top: 1px; right: 12px; z-index: 1; display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px; font-size: 11px; color: var(--text-2); pointer-events: none; max-width: 70%; }
.sc-lg { display: inline-flex; align-items: center; gap: 5px; white-space: nowrap; }
.sc-lg i { display: inline-block; width: 16px; height: 0; border-top: 2px solid var(--text); }
.sc-lg i.l-sim { border-top-color: var(--accent); }
.sc-lg i.l-band { height: 8px; border: 0; background: var(--accent-soft); }
.sc-lg i.l-log { border-top: 2px dashed var(--text-2); }
.sc-lg i.l-min { border-top: 2px dashed var(--danger); }
.sc-lg i.l-dem { border-top-color: var(--text); }
.sc-lg i.l-areas { height: 8px; border: 0; background: linear-gradient(90deg, #35b8ee 0 33%, #a393ff 33% 66%, #3ccf7a 66%); /* MACHINE_COLORS in tab.js */ opacity: 0.85; }
.sc-tip .tip-m { display: flex; align-items: center; gap: 6px; font-size: 11px; color: var(--text-2); }
.sc-tip .tip-m i { width: 8px; height: 8px; border-radius: 2px; flex: none; }
@media (max-width: 720px) { .sc-lgs { display: none; } }

/* Operator (manual strategy): one row of panel buttons per compressor, the air balance above them. */
.sim-ctl-pill.is-manual > .ic:first-child { color: var(--ask); }
.sp-op .op-bal { display: flex; flex-direction: column; gap: 2px; padding: 10px 12px; margin-bottom: 10px; border-radius: 12px; border: 1px solid var(--border); font-size: 12.5px; color: var(--text-2); font-variant-numeric: tabular-nums; }
.sp-op .op-bal > b { font-size: 13.5px; color: var(--text); }
.sp-op .op-bal.ok { border-color: color-mix(in srgb, var(--ok) 45%, var(--border)); }
.sp-op .op-bal.ok > b { color: var(--ok); }
.sp-op .op-bal.warn { border-color: color-mix(in srgb, var(--warn) 55%, var(--border)); }
.sp-op .op-bal.warn > b { color: var(--warn-ink); }
.sp-op .op-bal.bad { border-color: var(--danger); }
.sp-op .op-bal.bad > b { color: var(--danger); }
.op-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 10px; }
.op-m { padding: 10px 12px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface); }
.op-h { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; min-width: 0; }
.op-h .sw { width: 10px; height: 18px; border-radius: 4px; flex: none; }
.op-h > b { font-size: 13.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.op-st { margin-left: auto; font-size: 11.5px; color: var(--text-2); white-space: nowrap; font-variant-numeric: tabular-nums; }
.op-st .st { height: 18px; margin-right: 4px; }
.op-btns { display: grid; grid-template-columns: repeat(4, 1fr); width: 100%; }
.op-btns button { min-height: 36px; justify-content: center; font-weight: 650; }
.op-btns button.on { background: var(--accent); color: var(--accent-ink); }
.op-btns button[data-opmode="OFF"].on { background: var(--surface-3); color: var(--text); }
.op-btns button[data-opmode="FORCE_UNLOAD"].on { background: var(--warn-soft); color: var(--warn-ink); }
.op-btns button[data-opmode="AUTO"].on { background: var(--ask-soft); color: var(--ask); }
.op-cap { display: flex; align-items: center; gap: 8px; margin-top: 8px; font-size: 12.5px; }
.op-cap label { flex: 1; display: flex; align-items: center; gap: 8px; min-width: 0; }
.op-cap label > span { color: var(--text-2); white-space: nowrap; }
.op-cap input[type='range'] { flex: 1; min-width: 60px; accent-color: var(--accent); height: 28px; }
.op-cap > b { min-width: 64px; text-align: right; font-variant-numeric: tabular-nums; color: var(--accent); }
.mc-op .op-m { border: 0; padding: 0; background: none; }
.mc-op .op-h { display: none; }
.sp-dem { width: 100%; display: grid; grid-template-columns: 1fr 1fr; margin-bottom: 10px; }
.menu-item.is-off { opacity: 0.55; }