/* background-remover — Background Remover tool styles */
[data-page="tool"] .tool-pane-content input[type="text"],
[data-page="tool"] .tool-pane-content input[type="password"],
[data-page="tool"] .tool-pane-content input[type="number"] {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

[data-page="tool"] .tool-pane-content input[type="color"] {
  width: 100%;
  height: 42px;
  padding: 0.2rem;
  border-radius: 8px;
  border: 1px solid var(--color-border, rgba(127, 127, 127, 0.25));
  background: var(--color-surface-1, transparent);
  cursor: pointer;
}

[data-page="tool"] .br-card {
  border: 1px solid var(--color-border, rgba(127, 127, 127, 0.25));
  border-radius: 14px;
  padding: 1.1rem;
  background: var(--color-surface-1, transparent);
}

[data-page="tool"] .br-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
  margin-bottom: 0.9rem;
}

[data-page="tool"] .br-fig {
  margin: 0;
  min-width: 0;
}

[data-page="tool"] .br-fig figcaption {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.55;
  margin-bottom: 0.35rem;
}

[data-page="tool"] .br-fig img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--color-border, rgba(127, 127, 127, 0.2));
  background: var(--color-surface-2, transparent);
}

/* checkerboard under transparent cut-outs */
[data-page="tool"] .br-fig img.br-result {
  background-image:
    linear-gradient(45deg, rgba(127, 127, 127, 0.18) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(127, 127, 127, 0.18) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(127, 127, 127, 0.18) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(127, 127, 127, 0.18) 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
}

[data-page="tool"] .br-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

[data-page="tool"] .br-btn {
  border: 1px solid var(--color-border, rgba(127, 127, 127, 0.3));
  background: var(--color-surface-2, transparent);
  color: inherit;
  font-size: var(--text-sm, 0.85rem);
  font-weight: 600;
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.1s ease;
}

[data-page="tool"] .br-btn:hover {
  border-color: var(--color-accent, #6366f1);
  background: rgba(99, 102, 241, 0.08);
}

[data-page="tool"] .br-btn:active {
  transform: translateY(1px);
}

[data-page="tool"] .br-btn-ghost {
  background: transparent;
  opacity: 0.85;
}

[data-page="tool"] .br-note {
  font-size: var(--text-xs, 0.75rem);
  opacity: 0.6;
  align-self: center;
}

[data-page="tool"] .br-foot {
  margin: 0.9rem 0 0;
  font-size: var(--text-xs, 0.75rem);
  opacity: 0.55;
}

@media (max-width: 560px) {
  [data-page="tool"] .br-compare {
    grid-template-columns: 1fr;
  }
}