/* Image Input Components */

/* Image Input Container */
.image-input {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-surface);
}

/* Source Tabs */
.image-input__tabs {
  display: flex;
  border-bottom: 1px solid var(--color-border);
}

.image-input__tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  background: var(--color-bg-alt);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.image-input__tab:not(:last-child) {
  border-right: 1px solid var(--color-border);
}

.image-input__tab:hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.image-input__tab--active {
  background: var(--color-surface);
  color: var(--color-primary);
}

.image-input__tab-icon {
  width: 18px;
  height: 18px;
}

/* Content Area */
.image-input__content {
  padding: var(--space-4);
}

.image-input__panel {
  display: none;
}

.image-input__panel--active {
  display: block;
}

/* Sample Images Grid */
.image-input__samples {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--space-3);
}

.image-input__sample {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-fast);
  background: var(--color-bg-alt);
}

.image-input__sample:hover {
  border-color: var(--color-border-strong);
  transform: translateY(-2px);
}

.image-input__sample--selected {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-subtle);
}

.image-input__sample-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-input__sample-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-2);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
  color: white;
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
}

.image-input__sample-check {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  width: 22px;
  height: 22px;
  background: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  opacity: 0;
  transform: scale(0.8);
  transition: all var(--transition-fast);
}

.image-input__sample--selected .image-input__sample-check {
  opacity: 1;
  transform: scale(1);
}

/* Upload Area */
.image-input__upload {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-4);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--color-bg-alt);
}

.image-input__upload:hover,
.image-input__upload--drag-over {
  border-color: var(--color-primary);
  background: var(--color-primary-subtle);
}

.image-input__upload-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-3);
  color: var(--color-text-tertiary);
}

.image-input__upload-text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.image-input__upload-text strong {
  color: var(--color-primary);
}

.image-input__upload-hint {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.image-input__file-input {
  display: none;
}

/* URL Input */
.image-input__url {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.image-input__url-input {
  width: 100%;
}

.image-input__url-preview {
  display: none;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-alt);
}

.image-input__url-preview--visible {
  display: block;
}

.image-input__url-preview-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Preview Section */
.image-input__preview {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.image-input__preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.image-input__preview-label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text);
}

.image-input__preview-clear {
  font-size: var(--text-sm);
  color: var(--color-error);
  background: none;
  border: none;
  cursor: pointer;
}

.image-input__preview-clear:hover {
  text-decoration: underline;
}

.image-input__preview-image {
  max-height: 200px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-alt);
}

.image-input__preview-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.image-input__preview-info {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

/* Mask Input */
.image-input--with-mask .image-input__mask-section {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.image-input__mask-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.image-input__mask-optional {
  font-weight: var(--font-normal);
  color: var(--color-text-tertiary);
}

/* Responsive */
@media (max-width: 640px) {
  .image-input__samples {
    grid-template-columns: repeat(2, 1fr);
  }

  .image-input__tab span {
    display: none;
  }

  .image-input__tab-icon {
    margin: 0;
  }
}