/* TechTools — image-convert styles (auto-extracted) */
.image-upload-zone {
  border: 2px dashed var(--border-subtle);
  border-radius: 12px;
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-bottom: 24px;
  position: relative;
}
.image-upload-zone:hover,
.image-upload-zone.drag-over {
  border-color: var(--accent-magenta);
  background: rgba(255, 0, 110, 0.05);
}
.image-upload-zone input[type=file] { display: none; }
.upload-icon { font-size: 48px; margin-bottom: 12px; opacity: 0.7; }
.upload-text { font-size: 16px; color: var(--text-secondary); }
.upload-hint { font-size: 13px; color: var(--text-muted); margin-top: 8px; }

.convert-controls {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 24px;
  display: none;
}
.convert-controls.show { display: block; }

.format-btns {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.format-btn {
  padding: 10px 24px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  font-family: 'SF Mono','Fira Code','Consolas',monospace;
}
.format-btn:hover {
  border-color: rgba(255,0,110,0.4);
  color: var(--text-primary);
  background: rgba(255,0,110,0.08);
}
.format-btn.active {
  border-color: var(--accent-magenta);
  color: var(--accent-magenta);
  background: rgba(255,0,110,0.12);
  box-shadow: 0 0 16px rgba(255,0,110,0.2);
}

.param-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.param-row label {
  font-size: 14px;
  color: var(--text-secondary);
  min-width: 80px;
}
.param-row input[type=range] {
  flex: 1;
  min-width: 120px;
  accent-color: var(--accent-magenta);
  height: 6px;
}
.param-row .range-val {
  font-size: 13px;
  color: var(--accent-magenta);
  font-weight: 600;
  min-width: 42px;
  text-align: right;
}
.param-row input[type=color] {
  width: 40px;
  height: 36px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  padding: 2px;
}

.convert-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
  display: none;
}
.convert-preview.show { display: grid; }

.preview-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 20px;
  text-align: center;
}
.preview-card h4 {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 12px;
  font-weight: 500;
}
.preview-card img {
  max-width: 100%;
  max-height: 320px;
  border-radius: 8px;
  object-fit: contain;
}
.preview-card .file-info {
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-muted);
}

.action-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.bg-color-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-left: 8px;
}
@media (max-width: 768px) {
  .convert-preview { grid-template-columns: 1fr; }
}