/* Engagement Simulator — centerpiece (isolated) */

.simx {
  position: relative;
  padding: clamp(3rem, 8vh, 5.5rem) var(--pad-x);
  max-width: 1100px;
  margin: 0 auto;
  z-index: 2;
}

.simx-inner {
  position: relative;
}

.simx-head {
  margin-bottom: clamp(1.5rem, 4vh, 2.25rem);
  max-width: 36rem;
}
.simx-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.simx-title {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.05;
  margin-bottom: 0.65rem;
}
.simx-lead {
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  line-height: 1.55;
  max-width: 38ch;
}

.simx-stage {
  position: relative;
  padding: clamp(1.25rem, 3vw, 1.75rem);
  border-radius: 28px;
  border: 1px solid rgba(167, 139, 250, 0.2);
  background:
    radial-gradient(ellipse 80% 60% at 20% -10%, rgba(124, 58, 237, 0.2), transparent 50%),
    radial-gradient(ellipse 50% 40% at 100% 100%, rgba(251, 113, 133, 0.08), transparent 45%),
    rgba(6, 6, 12, 0.55);
  backdrop-filter: blur(18px);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
}

/* step rail */
.simx-rail {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.25rem;
  margin-bottom: 1.35rem;
}
.simx-node {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  background: none;
  border: 0;
  color: inherit;
  cursor: pointer;
  padding: 0.35rem;
  min-width: 64px;
}
.simx-n {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--dim);
  border: 1px solid rgba(167, 139, 250, 0.25);
  background: rgba(0, 0, 0, 0.35);
  transition: color 0.3s, border-color 0.3s, background 0.3s, box-shadow 0.35s, transform 0.35s;
}
.simx-nl {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--dim);
  transition: color 0.3s;
}
.simx-node:hover .simx-n,
.simx-node:focus-visible .simx-n {
  border-color: rgba(233, 213, 255, 0.45);
  color: #fff;
  transform: scale(1.05);
}
.simx-node.is-on .simx-n {
  color: #fff;
  border-color: rgba(233, 213, 255, 0.6);
  background: radial-gradient(circle at 35% 30%, rgba(167, 139, 250, 0.45), rgba(10, 6, 24, 0.9));
  box-shadow: 0 0 32px rgba(124, 58, 237, 0.55);
  transform: scale(1.08);
}
.simx-node.is-on .simx-nl {
  color: var(--accent);
}
.simx-node.is-done .simx-n {
  color: var(--ok);
  border-color: rgba(52, 211, 153, 0.45);
}
.simx-node.is-done .simx-nl {
  color: rgba(52, 211, 153, 0.7);
}

.simx-link {
  flex: 1;
  height: 2px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 2px;
  position: relative;
  min-width: 12px;
  overflow: hidden;
}
.simx-link i {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-deep), var(--accent));
  box-shadow: 0 0 10px var(--accent);
  transition: width 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.simx-link i.on {
  width: 100%;
}

/* main grid */
.simx-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 0.85rem;
  margin-bottom: 1rem;
}
@media (max-width: 800px) {
  .simx-grid {
    grid-template-columns: 1fr;
  }
  .simx-n {
    width: 44px;
    height: 44px;
    font-size: 12px;
  }
}

.simx-term {
  border-radius: 16px;
  border: 1px solid rgba(167, 139, 250, 0.18);
  background: rgba(0, 0, 0, 0.45);
  overflow: hidden;
  min-height: 220px;
  display: flex;
  flex-direction: column;
}
.simx-term-bar {
  display: flex;
  justify-content: space-between;
  padding: 0.55rem 0.85rem;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--dim);
  border-bottom: 1px solid rgba(167, 139, 250, 0.1);
  background: rgba(0, 0, 0, 0.25);
}
.simx-term-bar .dim {
  color: var(--accent);
}
.simx-term-body {
  flex: 1;
  padding: 0.9rem 1rem;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: rgba(196, 181, 253, 0.85);
  overflow: auto;
  max-height: 260px;
}
.simx-term-body .ok {
  color: #34d399;
}
.simx-term-body .warn {
  color: #fb7185;
}
.simx-term-body .dim {
  color: rgba(196, 181, 253, 0.4);
}
.simx-term-body .line {
  opacity: 0;
  transform: translateY(6px);
}
.simx-term-body .line.in {
  opacity: 1;
  transform: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.simx-side {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  min-height: 220px;
}
.simx-find {
  flex: 1;
  border-radius: 16px;
  border: 1px solid rgba(167, 139, 250, 0.15);
  background: rgba(0, 0, 0, 0.3);
  padding: 0.85rem 1rem;
  overflow: auto;
  max-height: 160px;
}
.simx-find-h {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  color: var(--dim);
  margin-bottom: 0.65rem;
}
.simx-find-list {
  list-style: none;
  display: grid;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
}
.simx-find-list li {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: rgba(233, 213, 255, 0.75);
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  opacity: 0;
  transform: translateX(8px);
}
.simx-find-list li.in {
  opacity: 1;
  transform: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.simx-find-list li::before {
  content: "▸";
  color: var(--accent);
  flex-shrink: 0;
}
.simx-find-list li.warn::before {
  color: var(--hot);
}
.simx-find-list:empty::after {
  content: "No findings yet — run beats.";
  font-family: var(--mono);
  font-size: 11px;
  color: var(--dim);
}

.simx-meters {
  display: grid;
  gap: 0.55rem;
}
.simx-meter {
  display: grid;
  grid-template-columns: 72px 1fr 36px;
  gap: 0.5rem;
  align-items: center;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  color: var(--dim);
}
.simx-meter b {
  font-weight: 500;
  color: var(--fg);
  font-size: 10px;
  text-align: right;
}
.simx-meter-bar {
  height: 4px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}
.simx-meter-bar i {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent-deep), var(--accent));
  box-shadow: 0 0 10px rgba(167, 139, 250, 0.5);
  transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.simx-meter-bar.hot i {
  background: linear-gradient(90deg, #7f1d1d, var(--hot));
  box-shadow: 0 0 10px rgba(251, 113, 133, 0.45);
}

.simx-progress {
  height: 2px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
  margin-bottom: 1.1rem;
}
.simx-progress i {
  display: block;
  height: 100%;
  width: 25%;
  background: linear-gradient(90deg, var(--accent-deep), var(--accent), var(--hot));
  box-shadow: 0 0 12px var(--accent);
  transition: width 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

.simx-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
}
.simx-actions .btn {
  height: 42px;
  font-size: 10px;
}
.simx-actions .btn.is-active {
  border-color: var(--ok);
  color: var(--ok);
}

.simx-note {
  margin-top: 1rem;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--dim);
  line-height: 1.5;
  max-width: 52ch;
}

.simx.is-complete .simx-stage {
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.3),
    0 0 60px rgba(52, 211, 153, 0.12);
}
.simx.is-complete #simStatus {
  color: var(--ok) !important;
}