/* LYMON // SIM — industrial control-room HMI ------------------------------- */
:root {
  --void: #080b10;
  --grid: rgba(52, 231, 211, 0.04);
  --panel: #0f1620;
  --panel-hi: #131d29;
  --line: #1e2a38;
  --line-hi: #2c3d51;
  --ink: #eaf1f8;
  --dim: #8496a9;
  --faint: #55677b;
  --cyan: #34e7d3; /* auto / live */
  --amber: #f6a638; /* manual */
  --violet: #b487ff; /* scenario */
  --red: #ff5d73; /* alarm */
  --mono: "IBM Plex Mono", "Cascadia Code", ui-monospace, monospace;
  --disp: "Chakra Petch", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--disp);
  color: var(--ink);
  background:
    radial-gradient(1100px 480px at 78% -10%, rgba(52, 231, 211, 0.10), transparent 60%),
    radial-gradient(900px 500px at 8% -20%, rgba(110, 168, 255, 0.07), transparent 55%),
    linear-gradient(var(--grid) 1px, transparent 1px) 0 0 / 34px 34px,
    linear-gradient(90deg, var(--grid) 1px, transparent 1px) 0 0 / 34px 34px,
    var(--void);
  min-height: 100vh;
  letter-spacing: 0.01em;
}

/* faint CRT scanline veil */
.scanlines {
  position: fixed; inset: 0; pointer-events: none; z-index: 100; opacity: 0.5;
  background: repeating-linear-gradient(0deg, transparent 0 3px, rgba(0, 0, 0, 0.15) 3px 4px);
  mix-blend-mode: multiply;
}

.mono { font-family: var(--mono); }

/* ---- top bar ---- */
.topbar {
  display: flex; align-items: center; gap: 22px;
  padding: 12px 22px; position: sticky; top: 0; z-index: 20;
  background: linear-gradient(180deg, rgba(9, 13, 18, 0.96), rgba(9, 13, 18, 0.82));
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.brand {
  font-weight: 700; font-size: 18px; letter-spacing: 0.14em; white-space: nowrap;
  text-shadow: 0 0 18px rgba(52, 231, 211, 0.35);
}
.brand .slash { color: var(--cyan); margin: 0 2px; }

.tabs { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
.tab {
  font-family: var(--disp); font-weight: 600; font-size: 13px; letter-spacing: 0.06em;
  color: var(--dim); cursor: pointer; padding: 7px 15px; border-radius: 3px;
  background: transparent; border: 1px solid transparent; text-transform: uppercase;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.tab:hover { color: var(--ink); border-color: var(--line-hi); }
.tab.active {
  color: var(--void); background: var(--cyan); border-color: var(--cyan);
  box-shadow: 0 0 22px rgba(52, 231, 211, 0.35);
}

.live { display: flex; align-items: center; gap: 16px; }
.ctl-btn {
  font-family: var(--mono); font-size: 13px; color: var(--cyan); cursor: pointer;
  background: rgba(52, 231, 211, 0.08); border: 1px solid var(--line-hi);
  border-radius: 3px; width: 34px; height: 30px; display: grid; place-items: center;
  transition: background 0.15s, box-shadow 0.15s;
}
.ctl-btn:hover { background: rgba(52, 231, 211, 0.16); box-shadow: 0 0 16px rgba(52, 231, 211, 0.25); }
.speed { display: flex; align-items: center; gap: 4px; color: var(--faint); font-size: 12px; }
.speed select {
  font-family: var(--mono); background: var(--panel); color: var(--ink);
  border: 1px solid var(--line-hi); border-radius: 3px; padding: 4px 6px; cursor: pointer;
}
.pulse { display: flex; align-items: center; gap: 8px; }
.pulse .dot {
  width: 9px; height: 9px; border-radius: 50%; background: var(--faint);
  box-shadow: 0 0 0 0 rgba(52, 231, 211, 0);
}
.pulse .dot.on { background: var(--cyan); animation: beat 1.6s ease-out infinite; }
@keyframes beat {
  0% { box-shadow: 0 0 0 0 rgba(52, 231, 211, 0.5); }
  70% { box-shadow: 0 0 0 9px rgba(52, 231, 211, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 231, 211, 0); }
}
.clock { color: var(--dim); font-size: 13px; min-width: 52px; text-align: right; }

/* ---- sub bar ---- */
.subbar {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  padding: 10px 22px; border-bottom: 1px solid var(--line);
  background: rgba(15, 22, 32, 0.5);
}
.endpoint {
  font-size: 12px; color: var(--cyan); padding: 5px 11px; border-radius: 3px;
  border: 1px solid var(--line-hi); background: rgba(52, 231, 211, 0.05);
  position: relative; padding-left: 22px;
}
.endpoint::before {
  content: ""; position: absolute; left: 9px; top: 50%; transform: translateY(-50%);
  width: 6px; height: 6px; border-radius: 50%; background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}
.scn-rail { display: flex; align-items: center; gap: 12px; flex: 1; flex-wrap: wrap; }
.rail-label { font-size: 10px; letter-spacing: 0.2em; color: var(--faint); }
.scenarios { display: flex; gap: 8px; flex-wrap: wrap; }
.scn {
  font-family: var(--disp); font-weight: 600; font-size: 12px; letter-spacing: 0.03em;
  color: var(--ink); cursor: pointer; padding: 6px 13px; border-radius: 3px;
  background: var(--panel-hi); border: 1px solid var(--line-hi);
  transition: transform 0.1s, border-color 0.15s, box-shadow 0.15s;
}
.scn:hover { border-color: var(--violet); box-shadow: 0 0 16px rgba(180, 135, 255, 0.25); }
.scn:active { transform: translateY(1px); }
.scn.active { background: var(--violet); border-color: var(--violet); color: var(--void); }
.scn.clear { color: var(--dim); }
.scn.clear:hover { border-color: var(--red); box-shadow: 0 0 16px rgba(255, 93, 115, 0.2); color: var(--red); }

/* ---- panel grid ---- */
.grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px; padding: 20px 22px 60px; align-items: start;
}
.panel {
  background: linear-gradient(180deg, var(--panel-hi), var(--panel));
  border: 1px solid var(--line); border-radius: 8px; overflow: hidden;
  position: relative; opacity: 0; transform: translateY(10px);
  animation: rise 0.5s cubic-bezier(0.2, 0.7, 0.2, 1) forwards;
}
.panel::before {
  content: ""; position: absolute; top: 0; left: 0; width: 26px; height: 2px;
  background: var(--cyan); box-shadow: 0 0 10px var(--cyan);
}
@keyframes rise { to { opacity: 1; transform: none; } }
.panel h3 {
  margin: 0; padding: 11px 14px; font-size: 12px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--dim);
  border-bottom: 1px solid var(--line); display: flex; justify-content: space-between;
}
.panel h3 .count { color: var(--faint); font-family: var(--mono); font-weight: 400; }
.panel .body { max-height: 460px; overflow-y: auto; }
.panel .body::-webkit-scrollbar { width: 8px; }
.panel .body::-webkit-scrollbar-thumb { background: var(--line-hi); border-radius: 8px; }

/* ---- signal row ---- */
.sig { padding: 9px 14px; border-top: 1px solid rgba(30, 42, 56, 0.6); }
.sig:first-child { border-top: 0; }
.sig-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 5px; }
.sig-name { font-family: var(--mono); font-size: 12px; color: var(--dim); }
.pill {
  font-family: var(--mono); font-size: 9px; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 2px 7px; border-radius: 20px; cursor: default; user-select: none;
  border: 1px solid transparent;
}
.pill.auto { color: var(--cyan); background: rgba(52, 231, 211, 0.1); border-color: rgba(52, 231, 211, 0.3); }
.pill.manual { color: var(--amber); background: rgba(246, 166, 56, 0.12); border-color: rgba(246, 166, 56, 0.4); cursor: pointer; }
.pill.scenario { color: var(--violet); background: rgba(180, 135, 255, 0.12); border-color: rgba(180, 135, 255, 0.4); cursor: pointer; }
.pill.manual:hover, .pill.scenario:hover { filter: brightness(1.3); }

.sig-read { display: flex; align-items: baseline; gap: 6px; }
.sig-val {
  font-family: var(--mono); font-weight: 500; font-size: 21px; line-height: 1;
  color: var(--ink); font-variant-numeric: tabular-nums; letter-spacing: -0.01em;
}
.sig-val.flash { animation: flash 0.6s ease-out; }
@keyframes flash { 0% { color: var(--cyan); text-shadow: 0 0 12px rgba(52, 231, 211, 0.7); } 100% {} }
.sig-unit { font-family: var(--mono); font-size: 11px; color: var(--faint); }

/* slider */
.sig-ctl { margin-top: 8px; }
input[type="range"] {
  -webkit-appearance: none; appearance: none; width: 100%; height: 4px; border-radius: 3px;
  background: var(--line-hi); outline: none; cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 14px; height: 14px; border-radius: 50%;
  background: var(--cyan); border: 2px solid var(--void); cursor: grab;
  box-shadow: 0 0 10px rgba(52, 231, 211, 0.5); transition: transform 0.1s;
}
input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.2); }
input[type="range"]::-moz-range-thumb {
  width: 14px; height: 14px; border-radius: 50%; background: var(--cyan);
  border: 2px solid var(--void); cursor: grab;
}
.sig.manual input[type="range"]::-webkit-slider-thumb { background: var(--amber); box-shadow: 0 0 10px rgba(246, 166, 56, 0.5); }
.sig.scenario input[type="range"]::-webkit-slider-thumb { background: var(--violet); box-shadow: 0 0 10px rgba(180, 135, 255, 0.5); }

/* editable numeric readout (no range) */
input.num {
  font-family: var(--mono); font-size: 15px; width: 100px; text-align: right;
  background: var(--void); color: var(--ink); border: 1px solid var(--line-hi);
  border-radius: 3px; padding: 3px 7px; font-variant-numeric: tabular-nums;
}
input.num:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 10px rgba(52, 231, 211, 0.2); }

/* toggle */
.toggle { position: relative; width: 46px; height: 24px; cursor: pointer; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle .track {
  position: absolute; inset: 0; border-radius: 20px; background: #223041;
  border: 1px solid var(--line-hi); transition: background 0.2s;
}
.toggle .track::after {
  content: ""; position: absolute; top: 2px; left: 2px; width: 18px; height: 18px;
  border-radius: 50%; background: var(--faint); transition: transform 0.2s, background 0.2s;
}
.toggle input:checked + .track { background: rgba(52, 231, 211, 0.25); border-color: var(--cyan); }
.toggle input:checked + .track::after { transform: translateX(22px); background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
.toggle input:disabled + .track { opacity: 0.55; cursor: not-allowed; }
.bool-row { display: flex; align-items: center; justify-content: space-between; }
.bool-state { font-family: var(--mono); font-size: 12px; color: var(--faint); }
.bool-state.on { color: var(--cyan); }

/* ---- footer ---- */
.statusline {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 15;
  display: flex; align-items: center; gap: 10px; padding: 7px 22px; font-size: 11px;
  color: var(--faint); background: rgba(9, 13, 18, 0.92); border-top: 1px solid var(--line);
  backdrop-filter: blur(6px);
}
.statusline .sep { opacity: 0.4; }
.statusline .hint { margin-left: auto; }

@media (max-width: 640px) {
  .topbar { gap: 12px; flex-wrap: wrap; }
  .grid { grid-template-columns: 1fr; padding: 14px; }
  .statusline .hint { display: none; }
}