:root {
  --ui-bg: rgba(6, 16, 24, 0.94);
  --ui-panel: rgba(11, 26, 38, 0.95);
  --ui-border: #4fa0ff;
  --ui-accent: #f4c26b;
  --ui-text: #e8f0ff;
  --ui-muted: #9bb3c9;
}

.ram-ui {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 12000;
}

.ram-ui__panel {
  background: var(--ui-panel);
  border: 1px solid var(--ui-border);
  border-radius: 10px;
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.6);
  color: var(--ui-text);
  font-family: "Press Start 2P", monospace;
  font-size: 11px;
  letter-spacing: 0.4px;
  pointer-events: auto;
  display: none;
  overflow: hidden;
}

.ram-ui__title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid var(--ui-border);
  text-transform: uppercase;
  color: var(--ui-accent);
}

.ram-ui__close {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--ui-border);
  border-radius: 4px;
  color: var(--ui-text);
  cursor: pointer;
  padding: 4px 8px;
}

/* Core Systems */
.core-panel {
  position: absolute;
  top: 32px;
  left: 50%;
  transform: translateX(-50%);
  width: min(920px, 96vw);
}

.lab-status-strip {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 12px;
  color: #8eb4c9;
  background: rgba(2, 12, 20, 0.72);
  border-bottom: 1px solid rgba(79, 160, 255, 0.22);
  font: 9px/1.4 monospace;
}

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 5px;
  border-radius: 50%;
}

.status-dot.is-live {
  background: #54f1a7;
  box-shadow: 0 0 12px #54f1a7;
  animation: ram-pulse 1.2s infinite;
}

.status-dot.is-warning {
  background: #ff9b54;
  box-shadow: 0 0 12px #ff9b54;
  animation: ram-pulse .65s infinite;
}

.core-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(220px, .8fr);
  gap: 14px;
  padding: 16px;
}

.system-caption {
  margin-bottom: 14px;
  color: #b7cee0;
  font: 11px/1.6 "Segoe UI", sans-serif;
}

.energy-route {
  display: grid;
  grid-template-columns: 1fr 34px 1fr 34px 1fr;
  align-items: center;
}

.energy-route button {
  min-height: 84px;
  padding: 12px 8px;
  color: #9bb3c9;
  background: rgba(255,255,255,.035);
  border: 1px solid rgba(111,181,225,.3);
  border-radius: 8px;
  font: 9px/1.55 "Press Start 2P", monospace;
  cursor: pointer;
  transition: 160ms ease;
}

.energy-route button span {
  display: block;
  margin-bottom: 8px;
  color: #4fa0ff;
}

.energy-route button:hover:not(:disabled) {
  border-color: #7fc7ff;
  transform: translateY(-2px);
}

.energy-route button.is-online {
  color: #dfffee;
  border-color: #54f1a7;
  background: rgba(84,241,167,.12);
  box-shadow: 0 0 18px rgba(84,241,167,.18);
}

.energy-route button.is-error {
  color: #ffe4df;
  border-color: #ff6f61;
  background: rgba(255,80,70,.18);
  animation: ram-shake .28s linear;
}

.energy-link {
  height: 3px;
  background: linear-gradient(90deg, rgba(79,160,255,.15), #4fa0ff, rgba(79,160,255,.15));
  background-size: 200% 100%;
  animation: energy-flow 1.2s linear infinite;
}

.core-readouts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 14px;
}

.core-readouts > div {
  padding: 10px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.025);
}

.core-readouts small,
.vitals-subject small {
  display: block;
  margin-bottom: 6px;
  color: #7798ad;
  font: 8px/1.4 monospace;
}

.core-readouts strong {
  color: #d8f3ff;
  font: 15px/1.2 monospace;
}

.meter {
  display: block;
  height: 5px;
  margin-top: 8px;
  background: rgba(255,255,255,.07);
  overflow: hidden;
}

.meter i {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, #4fa0ff, #54f1a7);
  transition: width .35s ease;
}

.system-log {
  min-height: 210px;
  padding: 14px;
  border: 1px solid rgba(84,241,167,.22);
  background:
    repeating-linear-gradient(0deg, transparent 0 20px, rgba(84,241,167,.025) 21px),
    rgba(0,10,13,.66);
  color: #8fb6aa;
  font: 11px/1.65 monospace;
}

.system-log b {
  color: #54f1a7;
}

.module-completion {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 14px;
  padding: 12px 16px;
  border-top: 1px solid rgba(79,160,255,.28);
  color: #9bb3c9;
  font: 10px/1.5 "Segoe UI", sans-serif;
}

.lab-action {
  padding: 10px 13px;
  border: 1px solid #4fa0ff;
  border-radius: 6px;
  color: #e8f0ff;
  background: rgba(79,160,255,.16);
  cursor: pointer;
}

.lab-action:disabled {
  opacity: .42;
  cursor: not-allowed;
}

/* Vitals Panel */
.vitals-panel {
  position: absolute;
  top: 50%;
  right: 48px;
  transform: translateY(-50%);
  width: min(820px, 96vw);
}

.vitals-body {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 12px;
  padding: 12px;
}

.vitals-list {
  display: grid;
  gap: 8px;
}

.vitals-btn {
  padding: 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--ui-text);
  cursor: pointer;
  text-align: left;
}

.vitals-btn small {
  float: right;
  opacity: .56;
}

.vitals-btn.is-active {
  border-color: #54f1a7;
  background: rgba(84,241,167,.11);
}

.vitals-detail {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 12px;
  display: grid;
  gap: 10px;
}

.vitals-subject {
  display: grid;
  grid-template-columns: 90px 1fr;
  align-items: center;
  gap: 12px;
}

.vitals-subject strong {
  color: #54f1a7;
  font: 18px/1.2 monospace;
}

.vitals-subject p {
  color: #8fa8ba;
  font: 11px/1.45 "Segoe UI", sans-serif;
}

.vitals-silhouette {
  height: 110px;
  position: relative;
  display: grid;
  place-items: center;
  background: radial-gradient(ellipse, rgba(84,241,167,.2), rgba(255,255,255,.025) 62%);
  border: 1px dashed rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  overflow: hidden;
}

.vitals-silhouette img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center bottom;
  image-rendering: pixelated;
  opacity: .82;
  filter:
    saturate(.72)
    sepia(.18)
    hue-rotate(92deg)
    drop-shadow(0 0 7px rgba(84, 241, 167, .72));
}

.vitals-silhouette.has-subject::before {
  content: "";
  position: absolute;
  z-index: 2;
  inset: 0;
  background:
    repeating-linear-gradient(
      0deg,
      transparent 0 3px,
      rgba(84, 241, 167, .075) 4px
    );
  pointer-events: none;
}

.vitals-silhouette [data-vitals-sprite-fallback] {
  color: rgba(155, 179, 201, .72);
  font: 8px/1.5 monospace;
  text-align: center;
}

.vitals-silhouette::after {
  content: "";
  position: absolute;
  z-index: 3;
  inset: 0;
  height: 2px;
  background: #54f1a7;
  box-shadow: 0 0 10px #54f1a7;
  animation: containment-scan 2s linear infinite;
}

.vital-control {
  position: relative;
  display: grid;
  gap: 5px;
  color: #a9c2d5;
  font: 9px/1.4 monospace;
}

.vital-control span {
  display: flex;
  justify-content: space-between;
}

.vital-control output {
  color: #ff9b54;
}

.vital-control output.is-safe {
  color: #54f1a7;
}

.vital-control input {
  width: 100%;
  accent-color: #4fa0ff;
}

.safe-band {
  position: absolute;
  left: var(--start);
  bottom: 4px;
  width: var(--width);
  height: 5px;
  border-radius: 3px;
  background: rgba(84,241,167,.35);
  pointer-events: none;
}

.vitals-message {
  min-height: 42px;
  padding: 10px;
  border-left: 3px solid #ff9b54;
  background: rgba(255,155,84,.06);
  color: #d9c0a9;
  font: 11px/1.5 monospace;
}

@keyframes energy-flow {
  to { background-position: -200% 0; }
}

@keyframes containment-scan {
  from { transform: translateY(-4px); }
  to { transform: translateY(110px); }
}

@keyframes ram-pulse {
  50% { opacity: .42; }
}

@keyframes ram-shake {
  25% { transform: translateX(-3px); }
  75% { transform: translateX(3px); }
}

@media (max-width: 700px) {
  .core-workspace,
  .vitals-body {
    grid-template-columns: 1fr;
  }
  .energy-route {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .energy-link {
    width: 3px;
    height: 18px;
    margin: auto;
  }
  .core-panel,
  .vitals-panel {
    top: 2vh;
    right: auto;
    left: 2vw;
    width: 96vw;
    max-height: 96vh;
    transform: none;
    overflow: auto;
  }
  .module-completion {
    align-items: stretch;
    flex-direction: column;
  }
}

/* Demo triggers */
.ram-demo-buttons {
  position: fixed;
  left: 16px;
  bottom: 16px;
  display: flex;
  gap: 8px;
  z-index: 12001;
}

.ram-demo-buttons button {
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  color: var(--ui-text);
  cursor: pointer;
  font-family: "Press Start 2P", monospace;
  font-size: 10px;
}