.groups-view {
  position: relative;
  overflow: visible;
  background: var(--bg);
  padding: var(--sp-8) var(--sp-10);
}

.groups-view__header {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: var(--sp-8);
  align-items: end;
  padding-bottom: var(--sp-6);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--sp-10);
}

.groups-view__title {
  font-family: var(--font-display);
  font-size: var(--fs-3xl);
  line-height: 1.05;
  margin-top: var(--sp-3);
  letter-spacing: -0.015em;
  max-width: 720px;
}

.groups-view__lede {
  color: var(--text-muted);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  max-width: 460px;
  justify-self: end;
}

.groups-view__loading {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  color: var(--text-muted);
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: var(--sp-10);
  justify-content: center;
}

.groups-view__axes {
  display: flex;
  flex-direction: column;
  gap: var(--sp-12);
}

/* ---------- Single spectrum axis ---------- */

.spectrum {
  position: relative;
}

.spectrum__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--sp-5);
  margin-bottom: var(--sp-5);
}

.spectrum__title {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  margin-top: 4px;
  letter-spacing: -0.01em;
}

.spectrum__poles {
  display: flex;
  gap: var(--sp-8);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.spectrum__pole--left  { color: var(--danger); }
.spectrum__pole--right { color: var(--neutral); }

.spectrum__plot {
  position: relative;
  height: 240px;
  margin: 0 var(--sp-6);
}

.spectrum__axis-line {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    to right,
    rgba(224, 82, 82, 0.0)   0%,
    rgba(224, 82, 82, 0.55)  10%,
    rgba(200, 169, 110, 0.5) 50%,
    rgba(74, 158, 138, 0.55) 90%,
    rgba(74, 158, 138, 0.0)  100%
  );
}

.spectrum__center {
  position: absolute;
  top: calc(50% - 18px);
  left: 50%;
  width: 1px;
  height: 36px;
  background: var(--border-strong);
  transform: translateX(-0.5px);
}

.spectrum__marker {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 2;
}

.spectrum__marker.above {
  flex-direction: column-reverse;
  transform: translate(-50%, -100%);
  top: 50%;
}

.spectrum__marker.below {
  flex-direction: column;
  transform: translate(-50%, 0);
  top: 50%;
}

.spectrum__dot {
  display: block;
  background: radial-gradient(
    circle at 35% 35%,
    rgba(255, 255, 255, 0.18),
    var(--accent) 40%,
    var(--accent-soft) 100%
  );
  border-radius: 50%;
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.4),
    0 0 14px rgba(200, 169, 110, 0.35);
  transition: transform var(--transition);
}

.spectrum__marker:hover .spectrum__dot {
  transform: scale(1.06);
}

.spectrum__leader {
  width: 1px;
  height: 28px;
  background: var(--border-strong);
}

.spectrum__label {
  text-align: center;
  min-width: 80px;
  padding: 4px 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  white-space: nowrap;
}

.spectrum__source {
  color: var(--text);
  letter-spacing: 0.06em;
}

.spectrum__meta {
  color: var(--text-muted);
  letter-spacing: 0.06em;
  display: flex;
  gap: 6px;
  justify-content: center;
  margin-top: 2px;
}

@media (max-width: 1000px) {
  .groups-view {
    padding: var(--sp-6);
  }

  .groups-view__header {
    grid-template-columns: 1fr;
    gap: var(--sp-4);
    margin-bottom: var(--sp-8);
  }

  .groups-view__title {
    font-size: var(--fs-2xl);
  }

  .groups-view__lede {
    justify-self: start;
  }

  .spectrum__header {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 760px) {
  .groups-view {
    padding: var(--sp-5) var(--sp-4);
  }

  .spectrum__plot {
    margin-inline: 0;
    height: 280px;
  }

  .spectrum__poles {
    width: 100%;
    justify-content: space-between;
    gap: var(--sp-3);
  }

  .spectrum__label {
    min-width: 64px;
    white-space: normal;
    line-height: 1.2;
  }

  .spectrum__source,
  .spectrum__meta {
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}