/* =========================================================================
   Fáze 3/4 — simulace provozu
   ========================================================================= */

.sim {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--rail-w);
  height: 100%;
  min-height: 0;
}
.sim.is-alarm { animation: alarm 700ms var(--ease); }
@keyframes alarm {
  0%, 100% { background: transparent; }
  20%      { background: var(--danger-tint); }
}

/* --- Plocha --------------------------------------------------------------- */
.sim-main { position: relative; min-height: 0; background: var(--bg-inset); }
.sim-canvas { width: 100%; height: 100%; }

.sim-wave {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: var(--s2);
  text-align: center;
  pointer-events: none;
  background: radial-gradient(50% 40% at 50% 50%, rgba(8, 11, 18, .85), transparent 75%);
  animation: wave-in var(--dur-slow) var(--ease-out) both;
}
.sim-wave.is-leaving { animation: wave-out var(--dur-slow) var(--ease) both; }
@keyframes wave-in  { from { opacity: 0; transform: scale(.97); } to { opacity: 1; transform: none; } }
@keyframes wave-out { to { opacity: 0; transform: scale(1.03); } }

.sim-wave-title {
  font-size: var(--t-h1);
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--fg);
}
.sim-wave-sub { font-size: var(--t-body); color: var(--fg-dim); }

.sim-clock {
  position: absolute;
  left: 50%;
  bottom: var(--s5);
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: var(--s3);
  padding: 7px 16px;
  border-radius: 99px;
  background: color-mix(in oklab, var(--bg-1) 88%, transparent);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: inset 0 0 0 1px var(--line-strong);
}
.sim-clock-time { font-size: var(--t-small); font-variant-numeric: tabular-nums; color: var(--fg); }
.sim-clock-bar {
  position: relative;
  width: 200px; height: 4px;
  border-radius: 99px;
  background: var(--bg-3);
  overflow: hidden;
}
.sim-clock-fill {
  display: block;
  height: 100%;
  width: var(--progress, 0%);
  border-radius: 99px;
  background: linear-gradient(90deg, var(--accent-dim), var(--accent));
  transition: width 120ms linear;
}

/* --- Panel ---------------------------------------------------------------- */
.sim-panel {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: var(--s4);
  padding: var(--s5) var(--s4);
  border-left: 1px solid var(--line);
  background: var(--bg-1);
  min-height: 0;
}

.sim-gauges { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s2); }

.gauge {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--s3);
  border-radius: var(--radius);
  background: var(--bg-2);
  box-shadow: inset 0 0 0 1px var(--line);
  transition: box-shadow var(--dur) var(--ease);
}
.gauge-label {
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--fg-dim);
}
.gauge-value { font-size: var(--t-h3); font-weight: 700; font-variant-numeric: tabular-nums; color: var(--fg); }

.gauge--ok   .gauge-value { color: var(--ok); }
.gauge--warn .gauge-value { color: var(--warn); }
.gauge--bad {
  box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--danger) 55%, transparent);
  background: var(--danger-tint);
}
.gauge--bad .gauge-value { color: var(--danger); }

/* --- Log ------------------------------------------------------------------ */
.sim-log-wrap { display: flex; flex-direction: column; gap: var(--s2); min-height: 0; }
.sim-log {
  flex: 1;
  min-height: 0;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: var(--s2);
  border-radius: var(--radius);
  background: var(--bg-inset);
  box-shadow: inset 0 0 0 1px var(--line);
}

.sim-log-line {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: var(--s2);
  padding: 4px 6px;
  border-radius: 4px;
  font-size: var(--t-micro);
  line-height: 1.45;
  color: var(--fg-dim);
  animation: log-in var(--dur) var(--ease-out) both;
}
@keyframes log-in { from { opacity: 0; transform: translateX(-5px); } to { opacity: 1; transform: none; } }

.sim-log-time { color: var(--fg-faint); font-size: 10px; }
.sim-log-line--ok    { color: var(--ok); background: color-mix(in oklab, var(--ok) 8%, transparent); }
.sim-log-line--warn  { color: var(--warn); background: color-mix(in oklab, var(--warn) 8%, transparent); }
.sim-log-line--error { color: var(--danger); background: color-mix(in oklab, var(--danger) 10%, transparent); }

/* --- Responzivita --------------------------------------------------------- */
@media (max-width: 1023px) {
  .sim { grid-template-columns: 1fr; grid-template-rows: minmax(0, 1fr) auto; }
  .sim-panel {
    border-left: none;
    border-top: 1px solid var(--line);
    grid-template-rows: auto auto auto;
    max-height: 42vh;
  }
  .sim-log { max-height: 130px; }
  .sim-clock-bar { width: 130px; }
}