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var(--sa-border);border-radius:var(--radius-sm);padding:12px;white-space:pre-wrap;word-break:break-word;max-height:260px;overflow-y:auto}.pp-footer{padding:12px 18px;border-top:1px solid var(--sa-border);display:flex;justify-content:flex-end;gap:10px;flex-shrink:0}.modal-backdrop{position:fixed;inset:0;background:#000000b3;z-index:200;display:flex;align-items:flex-start;justify-content:center;padding:40px 20px;overflow-y:auto}.modal{background:var(--sa-surface);border:1px solid var(--sa-border);border-radius:var(--radius);width:100%;max-width:680px;box-shadow:var(--shadow-lg);flex-shrink:0}.modal-header{display:flex;align-items:center;gap:10px;padding:16px 20px;border-bottom:1px solid 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16px}.upload-preview-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.upload-file-name{font-size:13px;color:var(--sa-text-2);font-family:var(--font-mono);max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.upload-conv-count{font-size:13px;color:var(--sa-text);font-weight:600}.upload-preview-actions{display:flex;align-items:center;gap:6px}.upload-selected-count{font-size:12px;color:var(--sa-text-2);min-width:72px;text-align:right}.upload-conv-list{background:var(--sa-surface);border:1px solid var(--sa-border);border-radius:var(--radius);max-height:420px;overflow-y:auto}.upload-conv-row{display:flex;align-items:flex-start;gap:10px;padding:10px 16px;border-bottom:1px solid var(--sa-border);cursor:pointer;transition:background 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40px;display:flex;flex-direction:column;align-items:center;gap:16px;min-width:340px;text-align:center}.upload-progress-icon{margin-bottom:4px}.upload-progress-title{font-size:20px;font-weight:700;color:var(--sa-text)}.upload-progress-label{font-size:14px;color:var(--sa-text-2)}.upload-progress-wrap{width:100%;height:6px;background:var(--sa-surface-3);border-radius:3px;overflow:hidden}.upload-progress-bar{height:100%;background:var(--sa-purple);border-radius:3px;transition:width .25s ease;min-width:6px}.upload-done-icon{width:72px;height:72px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:4px}.upload-done-success{background:#10b98126;color:var(--sa-green)}.upload-done-partial{background:#f59e0b26;color:var(--sa-yellow)}.upload-done-actions{display:flex;gap:10px;margin-top:8px}.upload-error-details{font-size:12px;color:var(--sa-text-2);text-align:left;width:100%;max-height:160px;overflow-y:auto}.upload-error-details summary{cursor:pointer;color:var(--sa-text-2);margin-bottom:8px}.upload-error-details ul{list-style:none;display:flex;flex-direction:column;gap:4px}.upload-error-details li{padding:6px 8px;background:#ef444414;border-radius:4px;color:#fca5a5}