.dropzone {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  padding: 30px 20px; border: 2px dashed var(--border); border-radius: 14px;
  color: var(--muted); cursor: pointer; text-align: center;
  transition: border-color 0.15s, background 0.15s;
}
.dropzone:hover, .dropzone.drag { border-color: var(--primary); background: var(--primary-soft); }
.dz-icon { font-size: 2rem; }

input[type="range"] { width: 100%; accent-color: var(--primary); }

.compare { display: flex; gap: 12px; margin: 16px 0 10px; }
.compare .side { flex: 1; }
.compare .muted { font-size: 0.85rem; margin-top: 4px; }

#preview {
  display: block; max-width: 100%; border-radius: 12px;
  border: 1px solid var(--border); margin-bottom: 16px;
}