.file-thumb{border-radius:var(--auger-radius);background:var(--auger-bg-muted);width:100%;color:var(--auger-text-weak);flex-direction:column;flex:none;justify-content:center;align-items:center;gap:.35rem;display:flex;position:relative;overflow:hidden}.file-thumb.checkerboard{background:repeating-conic-gradient(var(--auger-steel-gray-light) 0% 25%, var(--auger-steel-gray-dark) 0% 50%);background-size:16px 16px}.file-thumb.checkerboard.is-compact{background-size:6px 6px}.file-thumb img{object-fit:cover;width:100%;height:100%}.file-thumb img.is-loading{opacity:0;width:100%;height:100%;position:absolute;inset:0}.file-thumb .ext{font-family:var(--auger-font-mono);letter-spacing:.02em;font-size:.7rem}.file-thumb.is-pdf{background:var(--auger-danger-light);color:var(--auger-danger)}.file-thumb.is-spreadsheet{background:var(--auger-success-light);color:var(--auger-success)}.file-thumb.is-document,.file-thumb.is-presentation{background:var(--auger-link-light);color:var(--auger-link)}.file-thumb.is-audio{background:var(--auger-primary-soft);color:var(--auger-primary-dark)}.file-thumb.is-video{background:var(--auger-steel-gray-darker);color:var(--auger-text-inverted)}.file-drop-zone{position:relative}.file-drop-zone.is-bare{border:1px dashed var(--auger-border-hover);border-radius:var(--auger-radius);justify-content:center;align-items:center;gap:.5rem;min-height:3.5rem;padding:.75rem;display:flex}.file-drop-zone.is-drag-over.is-bare{border:2px dashed var(--auger-primary);background:var(--auger-primary-soft)}.file-drop-zone>.overlay{z-index:5;border:2px dashed var(--auger-primary);border-radius:var(--auger-radius);background:color-mix(in srgb, var(--auger-bg) 85%, transparent);color:var(--auger-primary-dark);pointer-events:none;justify-content:center;align-items:center;font-weight:600;display:flex;position:absolute;inset:0}