/* Styles for the NLOS propagation post, polished. */

.nlos {
  --nlos-bg: #1a1d24;
  --nlos-bg-2: #232831;
  --nlos-panel: #242932;
  --nlos-fg: #d8dce4;
  --nlos-dim: #8189a0;
  --nlos-grid: #2d323d;
  --nlos-grid-strong: #3a414e;
  --nlos-blue: #78b5f3;
  --nlos-cyan: #6dc5d3;
  --nlos-green: #9dca83;
  --nlos-orange: #d6a86a;
  --nlos-red: #e58089;
  --nlos-yellow: #e2c37d;
  --nlos-magenta: #c78de0;
  --nlos-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), 0 2px 6px rgba(0, 0, 0, 0.25);
}

.nlos-scene {
  margin: 2.75rem 0;
  background:
    radial-gradient(ellipse at top left, rgba(120, 181, 243, 0.035) 0%, transparent 55%),
    radial-gradient(ellipse at bottom right, rgba(199, 141, 224, 0.025) 0%, transparent 55%),
    linear-gradient(180deg, var(--nlos-bg) 0%, var(--nlos-bg-2) 100%);
  border: 1px solid var(--nlos-grid);
  border-radius: 10px;
  padding: 0.85rem 0.85rem 1.1rem;
  box-shadow: var(--nlos-shadow);
}

.nlos-scene canvas {
  display: block;
  width: 100%;
  height: auto;
  touch-action: none;
  cursor: grab;
  background: transparent;
}

.nlos-scene canvas:active { cursor: grabbing; }

.nlos-controls {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.65rem 0.9rem;
  margin-top: 0.85rem;
  font-size: 0.9rem;
}

@media (min-width: 640px) {
  .nlos-controls { grid-template-columns: repeat(2, 1fr); }
  .nlos-controls.nlos-controls--three { grid-template-columns: repeat(3, 1fr); }
}

.nlos-control { display: flex; flex-direction: column; gap: 0.3rem; }

.nlos-control label {
  color: var(--nlos-dim);
  font-size: 0.8rem;
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  letter-spacing: 0.01em;
}

.nlos-control label .nlos-value {
  color: var(--nlos-fg);
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

.nlos-control input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 20px;
  background: transparent;
  cursor: pointer;
  padding: 0;
  margin: 0;
}

.nlos-control input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--nlos-grid-strong), var(--nlos-grid));
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.4);
}

.nlos-control input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--nlos-cyan);
  border: 2px solid var(--nlos-bg);
  margin-top: -5px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
  transition: box-shadow 160ms ease;
}

.nlos-control input[type="range"]:hover::-webkit-slider-thumb,
.nlos-control input[type="range"]:focus::-webkit-slider-thumb {
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.5), 0 0 0 6px rgba(109, 197, 211, 0.12);
}

.nlos-control input[type="range"]::-moz-range-track {
  height: 4px;
  border-radius: 4px;
  background: var(--nlos-grid-strong);
}
.nlos-control input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--nlos-cyan);
  border: 2px solid var(--nlos-bg);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
  transition: box-shadow 160ms ease;
}
.nlos-control input[type="range"]:focus { outline: none; }

.nlos-scene .nlos-caption {
  margin-top: 0.65rem;
  font-size: 0.85rem;
  color: var(--nlos-dim);
  line-height: 1.55;
  max-width: 62em;
}

.nlos-scene .nlos-readout {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.4rem;
  padding: 0.45rem 0.1rem 0.3rem;
  margin-top: 0.15rem;
  color: var(--nlos-fg);
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
  border-bottom: 1px dashed var(--nlos-grid);
}

.nlos-scene .nlos-readout .nlos-readout-item span:first-child {
  color: var(--nlos-dim);
  margin-right: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
}

.nlos-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.6rem;
}

.nlos-buttons button {
  background: var(--nlos-panel);
  color: var(--nlos-fg);
  border: 1px solid var(--nlos-grid-strong);
  border-radius: 8px;
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
  cursor: pointer;
  font-family: inherit;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.nlos-buttons button:hover {
  border-color: var(--nlos-cyan);
  color: #fff;
}

.nlos-buttons button[aria-pressed="true"] {
  background: var(--nlos-cyan);
  color: #131720;
  border-color: var(--nlos-cyan);
}