/* =====================================================
   TinyToolWeb - background-remover.css
   ===================================================== */

/* Main container */
.tool-background-remover .bg-remover-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

/* Utility Classes */
.tool-background-remover .hidden {
  display: none !important;
}

.tool-background-remover .show {
  display: block !important;
}

.tool-background-remover .show-inline {
  display: inline-block !important;
}

/* Upload Section */
.tool-background-remover .upload-section {
  padding: var(--spacing-xl);
}

.tool-background-remover .upload-area {
  border: 3px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xxl);
  text-align: center;
  background: var(--bg-surface);
  transition: all var(--transition-base);
  cursor: pointer;
}

.tool-background-remover .upload-area:hover {
  border-color: var(--primary);
  background: var(--bg-light);
}

.tool-background-remover .upload-area.dragover {
  border-color: var(--primary);
  background: rgba(37, 99, 235, 0.05);
  transform: scale(1.02);
}

.tool-background-remover .upload-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
  opacity: 0.5;
}

.tool-background-remover .upload-area h3 {
  margin: 0 0 var(--spacing-sm) 0;
  color: var(--text-dark);
  font-size: 1.5rem;
}

.tool-background-remover .upload-area p {
  margin: 0 0 var(--spacing-md) 0;
  color: var(--text-light);
}

.tool-background-remover .upload-hint {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: var(--spacing-lg) !important;
}

/* Loading Section */
.tool-background-remover .loading-section {
  padding: var(--spacing-xxl);
  text-align: center;
}

.tool-background-remover .loading-content {
  max-width: 400px;
  margin: 0 auto;
}

.tool-background-remover .loading-spinner {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--spacing-lg) auto;
  border: 4px solid var(--bg-light);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.tool-background-remover .loading-section h3 {
  margin: 0 0 var(--spacing-sm) 0;
  color: var(--text-dark);
}

.tool-background-remover .loading-section p {
  margin: 0 0 var(--spacing-md) 0;
  color: var(--text-light);
}

.tool-background-remover .progress-bar {
  width: 100%;
  height: 8px;
  background: var(--bg-light);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: var(--spacing-md);
}

.tool-background-remover .progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary) 0%, #3b82f6 100%);
  width: var(--progress-width, 0%);
  transition: width 0.3s ease;
}

.tool-background-remover .loading-note {
  font-size: 0.8rem;
  color: var(--text-light);
  font-style: italic;
}

/* Processing Section */
.tool-background-remover .processing-section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.tool-background-remover .image-comparison {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.tool-background-remover .image-panel h3 {
  margin: 0 0 var(--spacing-sm) 0;
  color: var(--text-dark);
  font-size: 1.1rem;
  font-weight: 700;
  text-align: center;
}

.tool-background-remover .image-container {
  position: relative;
  background: 
    linear-gradient(45deg, #e5e7eb 25%, transparent 25%),
    linear-gradient(-45deg, #e5e7eb 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #e5e7eb 75%),
    linear-gradient(-45deg, transparent 75%, #e5e7eb 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid var(--border);
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

[data-theme="dark"] .tool-background-remover .image-container {
  background: 
    linear-gradient(45deg, #374151 25%, transparent 25%),
    linear-gradient(-45deg, #374151 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #374151 75%),
    linear-gradient(-45deg, transparent 75%, #374151 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

.tool-background-remover canvas {
  max-width: 100%;
  max-height: 500px;
  display: block;
  margin: 0 auto;
}

/* Controls Section */
.tool-background-remover .controls-section {
  padding: var(--spacing-lg);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.tool-background-remover .control-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.tool-background-remover .control-group label {
  font-weight: 600;
  color: var(--text-dark);
  font-size: 0.95rem;
}

.tool-background-remover input[type="range"] {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--bg-light);
  outline: none;
  cursor: pointer;
}

.tool-background-remover input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
}

.tool-background-remover input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: none;
}

.tool-background-remover .quality-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-light);
  font-weight: 500;
}

.tool-background-remover .background-options {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.tool-background-remover .bg-option {
  flex: 1;
  min-width: 80px;
  padding: var(--spacing-sm);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-body);
  color: var(--text-dark);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
}

.tool-background-remover .bg-option:hover {
  border-color: var(--primary);
}

.tool-background-remover .bg-option.active {
  border-color: var(--primary);
  background: var(--primary);
  color: white;
}

.tool-background-remover .bg-option input[type="color"] {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

/* Action Buttons */
.tool-background-remover .action-buttons {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.tool-background-remover .btn-success {
  background: #16a34a;
  color: white;
}

.tool-background-remover .btn-success:hover {
  background: #15803d;
}

/* Info Box */
.tool-background-remover .info-box {
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(37, 99, 235, 0.02) 100%);
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: var(--radius-md);
}

.tool-background-remover .info-box h3 {
  margin: 0 0 var(--spacing-md) 0;
  color: var(--primary);
  font-size: 1.1rem;
  font-weight: 700;
}

.tool-background-remover .info-box p {
  margin: 0 0 var(--spacing-sm) 0;
  color: var(--text-dark);
  line-height: 1.6;
}

.tool-background-remover .info-box ul {
  margin: var(--spacing-sm) 0 0 0;
  padding-left: var(--spacing-lg);
  list-style: none;
}

.tool-background-remover .info-box li {
  margin-bottom: var(--spacing-xs);
  color: var(--text-dark);
  line-height: 1.6;
}

/* Dark mode */
[data-theme="dark"] .tool-background-remover .info-box {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(37, 99, 235, 0.05) 100%);
  border-color: rgba(37, 99, 235, 0.3);
}

/* Responsive */
@media (max-width: 768px) {
  .tool-background-remover .image-comparison {
    grid-template-columns: 1fr;
  }

  .tool-background-remover .action-buttons {
    flex-direction: column;
  }

  .tool-background-remover .action-buttons .btn {
    width: 100%;
  }

  .tool-background-remover .background-options {
    grid-template-columns: repeat(2, 1fr);
  }

  .tool-background-remover .upload-area {
    padding: var(--spacing-lg);
  }

  .tool-background-remover .upload-icon {
    font-size: 3rem;
  }
}

@media (max-width: 480px) {
  .tool-background-remover .image-container {
    min-height: 200px;
  }

  .tool-background-remover canvas {
    max-height: 300px;
  }
}

/* Print styles */
@media print {
  .tool-background-remover .upload-section,
  .tool-background-remover .controls-section,
  .tool-background-remover .action-buttons {
    display: none;
  }
}

/* =====================================================
   End of background-remover.css
   ===================================================== */