.loss-cone-lab {
  --lc-text: #eef7ff;
  --lc-muted: #a9bfd0;
  --lc-line: #67d5ff;
  --lc-line-soft: rgba(103, 213, 255, 0.28);
  --lc-particle: #f8c45c;
  --lc-perp: #ff8a63;
  --lc-loss: #ff6b63;
  --lc-trapped: #68d7ff;
  --lc-panel: rgba(6, 23, 40, 0.84);
  width: min(1760px, 100%);
  margin: 0.08rem auto 0;
  color: var(--lc-text);
  font-family: system-ui, sans-serif;
}

.loss-cone-lab-intro {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 0.15rem 1.4rem;
  margin: 0 0 0.38rem;
  padding-left: 1.15rem;
  font-size: 0.47em;
  line-height: 1.22;
}

.loss-cone-lab-intro li::marker,
.loss-cone-setup li::marker {
  color: var(--lc-line);
}

.loss-cone-lab-layout {
  display: grid;
  grid-template-columns: minmax(0, 2.65fr) minmax(390px, 0.88fr);
  gap: 18px;
  height: 680px;
}

.loss-cone-lab-stage {
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 15px;
  background:
    radial-gradient(circle at 76% 32%, rgba(47, 111, 155, 0.14), transparent 31%),
    linear-gradient(165deg, rgba(8, 29, 50, 0.98), rgba(2, 12, 24, 0.98));
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.24);
}

.loss-cone-lab-stage svg {
  display: block;
  width: 100%;
  height: 100%;
}

.loss-cone-lab-controls {
  box-sizing: border-box;
  min-width: 0;
  height: 100%;
  padding: 12px 15px 10px;
  overflow: hidden;
  border-left: 2px solid rgba(103, 213, 255, 0.34);
  background: linear-gradient(90deg, rgba(10, 33, 53, 0.62), rgba(6, 22, 38, 0.2));
  font-size: 0.43em;
  line-height: 1.2;
}

.loss-cone-setup h3 {
  margin: 0 0 0.2rem;
  color: #ffffff;
  font-size: 1.16em;
  font-weight: 700;
}

.loss-cone-setup ul {
  margin: 0 0 0.55rem;
  padding-left: 1.2rem;
}

.loss-cone-setup li {
  margin: 0.16rem 0;
}

.loss-cone-index-note {
  margin: -0.18rem 0 0.45rem;
  color: var(--lc-muted);
  font-size: 0.84em;
}

.loss-cone-control-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
  margin-top: 0.46rem;
  color: #dcecf8;
}

.loss-cone-control-label strong {
  color: #ffffff;
  font-variant-numeric: tabular-nums;
}

.loss-cone-lab input[type="range"] {
  display: block;
  width: 100%;
  margin: 0.18rem 0 0.08rem;
  accent-color: #67d5ff;
  cursor: pointer;
}

.loss-cone-control-detail {
  color: var(--lc-muted);
  font-size: 0.88em;
  line-height: 1.15;
}

.loss-cone-control-detail strong {
  color: #dff5ff;
  font-variant-numeric: tabular-nums;
}

.loss-cone-prediction {
  margin: 0.54rem 0 0.38rem;
  padding: 0.42rem 0.55rem;
  border-left: 5px solid var(--lc-trapped);
  background: rgba(103, 213, 255, 0.09);
  color: #eefaff;
  font-weight: 700;
}

.loss-cone-prediction.is-loss {
  border-left-color: var(--lc-loss);
  background: rgba(255, 107, 99, 0.10);
}

.loss-cone-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.25rem 0.65rem;
  margin: 0 0 0.34rem;
}

.loss-cone-values div {
  min-width: 0;
}

.loss-cone-values dt {
  color: var(--lc-muted);
  font-size: 0.84em;
}

.loss-cone-values dd {
  margin: 0.06rem 0 0;
  color: #ffffff;
  font-variant-numeric: tabular-nums;
}

.loss-cone-energy {
  margin-top: 0.28rem;
  padding-top: 0.32rem;
  border-top: 1px solid rgba(255, 255, 255, 0.13);
}

.loss-cone-energy-row {
  display: grid;
  grid-template-columns: 35px minmax(0, 1fr) 42px;
  align-items: center;
  gap: 7px;
  margin: 0.25rem 0;
  font-variant-numeric: tabular-nums;
}

.loss-cone-energy-row output {
  text-align: right;
}

.loss-cone-energy-track {
  height: 13px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
}

.loss-cone-energy-track > span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  transition: width 80ms linear;
}

.loss-cone-energy-track .parallel {
  background: linear-gradient(90deg, #55c8ff, #5f8fff);
}

.loss-cone-energy-track .perp {
  background: linear-gradient(90deg, #ffbd58, #ff815f);
}

.loss-cone-energy-track .total {
  background: linear-gradient(90deg, #dbeaff, #ffffff);
}

.loss-cone-energy-row.total {
  margin-top: 0.38rem;
  color: #ffffff;
  font-weight: 700;
}

.loss-cone-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 7px;
  margin-top: 0.47rem;
}

.loss-cone-buttons button {
  padding: 0.28rem 0.25rem;
  border: 1px solid rgba(103, 213, 255, 0.58);
  border-radius: 8px;
  background: rgba(31, 116, 157, 0.18);
  color: #e5f8ff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.loss-cone-buttons button:first-child {
  background: rgba(49, 148, 190, 0.34);
}

.loss-cone-buttons button:hover {
  background: rgba(64, 164, 207, 0.42);
}

.loss-cone-buttons button:focus-visible,
.loss-cone-lab input:focus-visible {
  outline: 3px solid #ffffff;
  outline-offset: 2px;
}

.loss-cone-state-explanation {
  min-height: 2.7em;
  margin: 0.42rem 0 0;
  color: #c8d9e7;
  font-size: 0.9em;
  line-height: 1.22;
}

.loss-cone-earth {
  fill: url(#loss-cone-earth-gradient);
  stroke: rgba(125, 210, 255, 0.58);
  stroke-width: 2;
}

.loss-cone-atmosphere {
  fill: none;
  stroke: url(#loss-cone-atmosphere-gradient);
  stroke-width: 8;
}

.loss-cone-earth-label {
  fill: #eaf8ff;
  font-size: 20px;
  font-weight: 700;
}

.loss-cone-atmosphere-label {
  fill: #9fd6ef;
  font-size: 16px;
}

.loss-cone-equator {
  stroke: rgba(255, 255, 255, 0.17);
  stroke-width: 1.5;
  stroke-dasharray: 7 8;
}

.loss-cone-field-line {
  fill: none;
  stroke: var(--lc-line);
  stroke-width: 4;
  stroke-linecap: round;
}

.loss-cone-travelled-path {
  fill: none;
  stroke: var(--lc-particle);
  stroke-width: 5;
  stroke-linecap: round;
  opacity: 0.42;
}

.loss-cone-mirror-points circle {
  fill: #071727;
  stroke: var(--lc-trapped);
  stroke-width: 4;
}

.loss-cone-particle > circle:first-child {
  fill: var(--lc-particle);
  stroke: #ffffff;
  stroke-width: 2.5;
}

.loss-cone-particle-halo {
  fill: none;
  stroke: var(--lc-particle);
  stroke-width: 2;
  opacity: 0.32;
}

.loss-cone-particle.is-loss > circle:first-child {
  fill: var(--lc-loss);
}

.loss-cone-particle.is-loss .loss-cone-particle-halo {
  stroke: var(--lc-loss);
}

.loss-cone-impact-glow {
  fill: var(--lc-loss);
  opacity: 0;
}

.loss-cone-svg-label,
.loss-cone-line-label,
.loss-cone-direction-hint text,
.loss-cone-plot-title,
.loss-cone-plot-tick,
.loss-cone-axis-title,
.loss-cone-plot-note,
.loss-cone-mirror-level-label {
  font-family: system-ui, sans-serif;
}

.loss-cone-svg-label {
  fill: #d9f2ff;
  font-size: 18px;
  font-weight: 650;
}

.loss-cone-svg-muted {
  fill: #8faabd;
  font-family: system-ui, sans-serif;
  font-size: 16px;
}

.loss-cone-line-label {
  fill: #ffffff;
  font-size: 17px;
  font-weight: 700;
}

.loss-cone-separator {
  stroke: rgba(255, 255, 255, 0.13);
  stroke-width: 1;
}

.loss-cone-plot-title {
  fill: #eef8ff;
  font-size: 18px;
  font-weight: 700;
}

.loss-cone-plot-axis,
.loss-cone-velocity-axis {
  stroke: rgba(255, 255, 255, 0.5);
  stroke-width: 1.5;
}

.loss-cone-plot-grid {
  stroke: rgba(255, 255, 255, 0.1);
  stroke-width: 1;
}

.loss-cone-plot-tick,
.loss-cone-axis-title,
.loss-cone-plot-note {
  fill: var(--lc-muted);
  font-size: 14px;
}

.loss-cone-field-plot-path {
  fill: none;
  stroke: var(--lc-line);
  stroke-width: 3;
}

.loss-cone-mirror-level {
  stroke: var(--lc-particle);
  stroke-width: 2;
  stroke-dasharray: 7 6;
}

.loss-cone-mirror-level.is-loss {
  stroke: var(--lc-loss);
}

.loss-cone-mirror-level-label {
  fill: var(--lc-particle);
  font-size: 14px;
  font-weight: 700;
}

.loss-cone-mirror-level-label.is-loss {
  fill: var(--lc-loss);
}

.loss-cone-plot-mirror {
  stroke: var(--lc-trapped);
  stroke-width: 2;
  stroke-dasharray: 4 5;
}

.loss-cone-plot-particle {
  fill: var(--lc-particle);
  stroke: #ffffff;
  stroke-width: 2;
}

.loss-cone-velocity-circle {
  fill: rgba(255, 255, 255, 0.025);
  stroke: rgba(255, 255, 255, 0.46);
  stroke-width: 2;
}

.loss-cone-loss-sector {
  fill: rgba(255, 107, 99, 0.27);
  stroke: rgba(255, 107, 99, 0.76);
  stroke-width: 1.5;
}

.loss-cone-velocity-arrow {
  color: var(--lc-particle);
  stroke: currentColor;
  stroke-width: 4;
  stroke-linecap: round;
}

.loss-cone-velocity-handle {
  fill: var(--lc-particle);
  stroke: #ffffff;
  stroke-width: 2;
  cursor: grab;
}

.loss-cone-velocity-hit {
  fill: transparent;
  pointer-events: all;
  cursor: crosshair;
}

@media (max-width: 1050px) {
  .loss-cone-lab-layout {
    grid-template-columns: minmax(0, 1fr);
    height: auto;
  }

  .loss-cone-lab-stage {
    min-height: 440px;
  }

  .loss-cone-lab-controls {
    height: auto;
    border-left: 0;
    border-top: 2px solid rgba(103, 213, 255, 0.34);
  }
}

@media (prefers-reduced-motion: reduce) {
  .loss-cone-energy-track > span {
    transition: none;
  }
}