/* Background remover tool UI */
.bgremove-tool { margin: 1rem 0; }
.tool-upload-zone {
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), box-shadow var(--transition);
  border: 2px dashed var(--border);
}
.tool-upload-zone:hover,
.tool-upload-zone.is-dragover {
  border-color: var(--accent);
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.2);
}
.tool-upload-zone:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 2px;
}
.upload-icon { color: var(--accent-2); margin-bottom: 1rem; }
.upload-text { font-weight: 600; color: var(--text); margin-bottom: 0.5rem; }
.upload-hint { font-size: 0.85rem; }

.tool-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin: 1rem 0;
}
.option-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: var(--glass);
  border: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
}
.replace-bg {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.replace-bg input[type="color"] {
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  background: none;
}

.tool-progress { margin: 1.5rem 0; }
.progress-bar {
  height: 6px;
  background: var(--border);
  border-radius: 999px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--gradient);
  border-radius: 999px;
  transition: width 0.3s ease;
}
.progress-label {
  text-align: center;
  font-size: 0.9rem;
  margin-top: 0.5rem;
  color: var(--accent-2);
}

.tool-results { margin-top: 1.5rem; }
.result-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  margin-bottom: 1rem;
}
.result-preview {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background:
    linear-gradient(45deg, #333 25%, transparent 25%),
    linear-gradient(-45deg, #333 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #333 75%),
    linear-gradient(-45deg, transparent 75%, #333 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
  background-color: #222;
  min-height: 200px;
}
.result-preview img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  max-height: 320px;
  margin: auto;
}
.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
  grid-column: 1 / -1;
}

.tool-queue {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 0.5rem;
  margin-top: 1rem;
}
.queue-thumb {
  aspect-ratio: 1;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  border: 2px solid var(--border);
}
.queue-thumb.processing { border-color: var(--accent); }
.queue-thumb.done { border-color: #22c55e; }
.queue-thumb img { width: 100%; height: 100%; object-fit: cover; }
.queue-status {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.5);
  font-size: 0.7rem;
  color: #fff;
}

.bgremove-tool.is-compact .tool-upload-zone { padding: 1.5rem 1rem; }
.bgremove-tool.is-compact .upload-icon svg { width: 32px; height: 32px; }

/* AI processing animation */
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(99, 102, 241, 0.3); }
  50% { box-shadow: 0 0 40px rgba(6, 182, 212, 0.5); }
}
.tool-upload-zone.is-processing {
  animation: pulse-glow 1.5s ease infinite;
  pointer-events: none;
}

@media (max-width: 576px) {
  .result-card { grid-template-columns: 1fr; }
}