/* Backplot 3D + calculateurs. */

.bp-meta {
  display: flex; align-items: center; gap: 16px;
  padding: 12px 16px;
}
.bp-legend { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; color: var(--text-2); }
.bp-line { display: inline-block; width: 22px; height: 0; border-top: 2.5px solid; border-radius: 2px; }
.bp-line.rapid { border-top-style: dashed; border-color: #ef4444; }
.bp-line.feed { border-color: #3b82f6; }

.bp-viewport {
  position: relative;
  height: min(52vh, 520px);
  background: #14171c;
}
.bp-viewport canvas { width: 100%; height: 100%; display: block; }
.bp-lineinfo {
  position: absolute; top: 10px; left: 12px; z-index: 2;
  color: #cbd5e1; font-size: 12.5px;
  background: rgba(20, 23, 28, .7);
  padding: 3px 10px; border-radius: 999px;
  pointer-events: none;
}

.bp-controls {
  display: flex; align-items: center; gap: 14px;
  padding: 10px 16px;
}
.bp-play {
  width: 44px; height: 44px; border-radius: 50%; flex: none;
  background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
}
.bp-play:active { background: var(--primary-strong); }
.bp-slider { flex: 1; accent-color: var(--primary); height: 44px; }

/* Calculateurs */
.calc-card { display: flex; flex-direction: column; gap: 14px; }
.calc-input { height: 56px; font-size: 22px; text-align: right; }
.calc-result {
  display: flex; align-items: baseline; justify-content: space-between;
  padding: 14px 2px 4px;
  border-top: 1px solid var(--border);
}
.calc-result-label { font-size: 14px; color: var(--text-2); font-weight: 500; }
.calc-result-value {
  font-family: var(--font-mono); font-variant-numeric: tabular-nums;
  font-size: 34px; font-weight: 600; color: var(--primary-strong);
}
.calc-result-unit { font-size: 14px; color: var(--muted); }