.root {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.titleRow {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.root h2 { font-size: 1.25rem; font-weight: 600; }

.clearCorpusBtn {
  background: transparent;
  color: var(--error);
  border: 1px solid var(--error);
  font-size: .82rem;
  padding: 5px 14px;
}
.clearCorpusBtn:hover:not(:disabled) { background: #fef2f2; }
.clearCorpusBtn:disabled { opacity: .5; cursor: not-allowed; }

.hint { font-size: .85rem; color: var(--muted); margin-top: -10px; }

.corpusSection { display: flex; flex-direction: column; gap: 8px; }

.corpusLabel { font-size: .82rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }

.categoryInput { max-width: 300px; }

.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
  cursor: pointer;
  color: var(--muted);
  transition: border-color .15s, background .15s;
  user-select: none;
}
.dropzone:hover, .dragging {
  border-color: var(--primary);
  background: #eff6ff;
}

.list { list-style: none; display: flex; flex-direction: column; gap: 8px; }

.item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.filename { flex: 1; font-size: .9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.badge {
  font-size: .8rem;
  font-weight: 500;
  white-space: nowrap;
}

.deleteBtn {
  background: transparent;
  color: var(--muted);
  font-size: .85rem;
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid transparent;
  flex-shrink: 0;
  line-height: 1;
}
.deleteBtn:hover:not(:disabled) { color: var(--error); border-color: var(--error); background: #fef2f2; }
.deleteBtn:disabled { opacity: .4; cursor: not-allowed; }

.item[data-state='uploading'] .badge { color: var(--muted); }
.item[data-state='polling']   .badge { color: var(--warning); }
.item[data-state='done']      .badge { color: var(--success); }
.item[data-state='failed']    .badge { color: var(--error); }