/* converter tab - file upload, format conversion, 3d preview */

/* two-column layout */
.converter-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.converter-panel h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.converter-panel h3 svg {
  width: 18px;
  height: 18px;
}

.converter-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.converter-content {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* upload area */
.converter-upload-area {
  border: 2px dashed var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  color: var(--text-muted);
}

.converter-upload-area:hover,
.converter-upload-area.dragover {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent);
}

.converter-upload-area input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.converter-upload-area p {
  font-size: 13px;
  margin-top: 8px;
}

.converter-upload-area span {
  font-size: 11px;
  opacity: 0.7;
}

/* file info bar */
.converter-file-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.converter-file-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}

/* actions row */
.converter-actions {
  display: flex;
  gap: 8px;
  align-items: flex-end;
  flex-wrap: wrap;
}

.converter-actions .input-group {
  flex: 1;
  min-width: 140px;
}

.converter-actions .btn {
  white-space: nowrap;
}

/* status */
.converter-status {
  font-size: 13px;
  color: var(--text-secondary);
  min-height: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.converter-status .spinner {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

.converter-status.error {
  color: var(--danger);
}

/* 3d preview */
.converter-preview {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

#converterViewerCanvas {
  position: absolute;
  inset: 0;
}

.converter-preview canvas {
  display: block;
}

.converter-preview-empty {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  gap: 8px;
}

.converter-preview-empty svg {
  width: 48px;
  height: 48px;
  opacity: 0.4;
}

.converter-preview-empty p {
  font-size: 13px;
}

/* format reference */
.converter-formats {
  margin-top: 24px;
  border-top: 1px solid var(--border);
  padding-top: 20px;
}

.converter-formats h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.converter-formats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 8px;
}

.format-card {
  padding: 10px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 12px;
}

.format-card-name {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.format-card-desc {
  color: var(--text-muted);
  line-height: 1.4;
}

.format-card-badge {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 600;
  margin-top: 4px;
}

.format-card-badge.roblox {
  background: var(--accent-dim);
  color: var(--accent);
}

.format-card-badge.source {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
}

/* conversion history */
.converter-history {
  margin-top: 24px;
  border-top: 1px solid var(--border);
  padding-top: 20px;
}

.converter-history h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.converter-history-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.converter-history-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 12px;
}

.converter-history-item-name {
  flex: 1;
  font-weight: 500;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.converter-history-item-arrow {
  color: var(--accent);
  font-weight: 600;
}

.converter-history-item-format {
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.converter-history-item-time {
  color: var(--text-muted);
  font-size: 11px;
}

.converter-history-empty {
  text-align: center;
  padding: 16px;
  color: var(--text-muted);
  font-size: 13px;
}

/* responsive */
@media (max-width: 800px) {
  .converter-layout {
    grid-template-columns: 1fr;
  }
}