.payload-section {
  background: radial-gradient(ellipse at 68% 10%, #102b45 0, #09182b 57%, #081526 100%);
  border-bottom: 1px solid var(--line);
}

.payload-section .eyebrow {
  color: var(--accent);
  margin-bottom: 14px;
}

.payload-section .section-aside {
  font-size: 16px;
  line-height: 1.55;
  max-width: 350px;
}

.payload-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.payload-console {
  border: 1px solid #345575;
  background: #0a192a;
}

.payload-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 15px;
  padding: 12px 16px;
  border-bottom: 1px solid #2b4864;
}

.payload-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.payload-presets button {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 43px;
  text-align: left;
  padding: 7px 14px;
  background: transparent;
  border: 1px solid transparent;
  color: #aebfd1;
  line-height: 1.35;
}

.payload-presets button span {
  font: 11px var(--mono);
  color: var(--accent);
}

.payload-presets button b {
  font-size: 13px;
  font-weight: 600;
}

.payload-presets button:hover,
.payload-presets button[aria-pressed="true"] {
  color: #f0f7ff;
  border-color: #3b6690;
  background: #142f4b;
}

.payload-sim {
  color: #b1cce2;
  font: 10px var(--mono);
  letter-spacing: .08em;
  white-space: nowrap;
}

.payload-workspace {
  display: grid;
  grid-template-columns: minmax(245px, 30%) minmax(0, 1fr);
}

.payload-controls {
  padding: 22px;
  border-right: 1px solid #2b4864;
}

.payload-controls h3,
.payload-display-head h3,
.payload-flow h3 {
  font: 500 11px/1.5 var(--mono);
  color: #a9c9e4;
  letter-spacing: .07em;
  margin: 0;
}

.payload-goal {
  min-height: 3em;
  color: #d0e0f0;
  font-size: 14px;
  line-height: 1.5;
  margin: 12px 0 16px;
}

.payload-console [data-sensor="lidar"] { --sensor-color: #8ed4ff; }
.payload-console [data-sensor="thermal"] { --sensor-color: #ffbdf0; }
.payload-console [data-sensor="rgb"] { --sensor-color: #8eefd9; }
.payload-console [data-sensor="radar"] { --sensor-color: #c8baff; }

.payload-module {
  width: 100%;
  min-height: 65px;
  display: grid;
  grid-template-columns: 33px minmax(0, 1fr) auto;
  align-items: center;
  gap: 11px;
  background: #0b1d30;
  border: 1px solid #2d465e;
  padding: 9px 11px;
  margin-bottom: 8px;
  text-align: left;
}

.payload-module:last-child { margin-bottom: 0; }

.payload-module strong,
.payload-module small {
  display: block;
  overflow-wrap: anywhere;
}

.payload-module strong {
  color: #edf6ff;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.35;
}

.payload-module small {
  color: #a5bdd5;
  font-size: 11px;
  line-height: 1.4;
  margin-top: 2px;
}

.payload-module:is(:hover, [aria-pressed="true"], .payload-base) {
  background: #142b42;
  border-color: #537391;
}

.payload-glyph {
  width: 33px;
  height: 33px;
  display: grid;
  place-items: center;
  border: 1px solid #456482;
  color: var(--sensor-color);
  background: #0c2034;
  font: 600 15px var(--mono);
}

.payload-module-state {
  color: var(--sensor-color);
  font: 10px var(--mono);
}

.payload-switch {
  width: 30px;
  height: 17px;
  border-radius: 20px;
  border: 1px solid #68829a;
  background: #13283d;
  display: flex;
  align-items: center;
  padding: 2px;
}

.payload-switch::before {
  content: "";
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #a4b6c7;
}

.payload-module[aria-pressed="true"] .payload-switch {
  justify-content: flex-end;
  border-color: var(--sensor-color);
  background: #243e5a;
}

.payload-module[aria-pressed="true"] .payload-switch::before { background: var(--sensor-color); }

.payload-display {
  min-width: 0;
  padding: 22px;
  background: #0c2137;
}

.payload-display-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

#payload-layer-count {
  font: 11px var(--mono);
  color: #c0e5ff;
  white-space: nowrap;
}

.payload-map-frame {
  border: 1px solid #345574;
  background: #091929;
}

#payload-map {
  display: block;
  width: 100%;
  height: auto;
}

.payload-map-marker { color: var(--sensor-color); }

.payload-map-marker text,
.payload-aircraft-label,
.payload-unseen {
  fill: currentColor;
  font: 600 14px var(--mono);
  paint-order: stroke;
  stroke: #091929;
  stroke-width: 2px;
}

.payload-unseen { fill: #d0e4f4; }

.payload-observations {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 8px 16px;
  list-style: none;
  padding: 0;
  margin: 14px 0 12px;
  min-height: 24px;
}

.payload-observations li {
  display: flex;
  align-items: baseline;
  gap: 7px;
  color: #e0ecf8;
  font-size: 13px;
  line-height: 1.4;
}

.payload-observations li span {
  font: 600 11px var(--mono);
  color: var(--sensor-color);
}

.payload-limit {
  color: #b4c7da;
  font-size: 12px;
  line-height: 1.5;
  margin: 0;
}

.payload-flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid #2b4864;
}

.payload-flow > div {
  padding: 18px 22px 20px;
  border-right: 1px solid #2b4864;
}

.payload-flow > div:last-child { border-right: 0; }

.payload-flow p {
  color: #c1d3e5;
  font-size: 13px;
  line-height: 1.55;
  margin: 8px 0 0;
}

.payload-details {
  color: #b7cde2;
  border-bottom: 1px solid var(--line);
  margin-top: 18px;
  font-size: 13px;
}

.payload-details summary {
  cursor: pointer;
  padding: 10px 0 12px;
  color: #c6e6ff;
}

.payload-details p { max-width: 76ch; margin: 0 0 12px; }
.payload-sources { display: flex; flex-wrap: wrap; gap: 8px 18px; padding-bottom: 14px; }
.payload-sources a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

@media (max-width: 920px) {
  .payload-toolbar { align-items: flex-start; }
  .payload-sim { padding-top: 13px; }
  .payload-controls, .payload-display, .payload-flow > div { padding: 16px; }
}

@media (max-width: 690px) {
  .payload-section .section-heading { flex-direction: column; align-items: flex-start; gap: 14px; margin-bottom: 25px; }
  .payload-toolbar { flex-direction: column; gap: 7px; }
  .payload-sim { padding: 0 0 4px; }
  .payload-presets button { padding-inline: 8px; gap: 5px; }
  .payload-presets button b { font-size: 12px; }
  .payload-workspace, .payload-flow { grid-template-columns: minmax(0, 1fr); }
  .payload-controls { border-right: 0; border-bottom: 1px solid #2b4864; }
  .payload-goal { min-height: 0; }
  .payload-flow > div { border-right: 0; border-bottom: 1px solid #2b4864; }
  .payload-flow > div:last-child { border-bottom: 0; }
}