.toolbar {
  position: relative;
  display: inline-flex;
  gap: 8px;
  width: fit-content;
  margin-bottom: 16px;
  border: 1px solid var(--color-neutral-gray-silver);
  /* usa inline-flex para que width se ajuste al contenido sin overflow */
  padding: 6px;
  border-radius: 10px;
  overflow: visible; /* slider se mantiene dentro por cálculo preciso */
  background: var(--color-base-white);
  align-items: center;
}

/* Slider indicator: animación con left & width */
.slider {
  position: absolute;
  top: 4px;
  height: calc(100% - 8px);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(0,0,0,0.06), rgba(0,0,0,0.03));
  box-shadow: 0 4px 12px rgba(0,0,0,0.06), inset 0 1px 0 rgba(255,255,255,0.6);
  z-index: 0;
  transition:
    left 320ms cubic-bezier(0.22, 1, 0.36, 1),
    width 320ms cubic-bezier(0.22, 1, 0.36, 1),
    background 220ms ease,
    box-shadow 220ms ease;
  will-change: left, width;
}

/* Buttons */
.toolbar button {
  position: relative;
  background: transparent;
  border: none;
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
  transition: color 160ms ease, transform 160ms ease;
  justify-content: center;
  align-items: center;
  display: inline-flex;
  gap: 8px;
  min-width: 84px;
  font-size: 14px;
  color: var(--color-text-button, #333);
  z-index: 1; /* encima del slider */
}

.toolbar button:focus-visible {
  outline: 2px solid var(--color-focus, #2b7cff);
  outline-offset: 2px;
}

/* active button text emphasis */
.activeButton {
  color: var(--color-accent-text, #0b1116);
  font-weight: 600;
}

/* small screens: reduce padding */
@media (max-width: 420px) {
  .toolbar button {
    padding: 6px 8px;
    min-width: 64px;
    font-size: 13px;
  }
}

/* dark mode support */
@media (prefers-color-scheme: dark) {
  .toolbar {
    border-color: #333;
    background: #111214;
  }
  .slider {
    background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
    box-shadow: 0 6px 18px rgba(0,0,0,0.6), inset 0 1px 0 rgba(255,255,255,0.02);
  }
  .toolbar button {
    color: #ddd;
  }
  .activeButton {
    color: #fff;
  }
}