:root{--bg:#fff;--ink:#122a1f;--muted:#5f7469;--faint:#9bb3a6;--line:#1450321a;--raised:#eef6f1;--accent:#10b968;--accent-soft:#10b96824;--on-accent:#052a1c;--user-grad:linear-gradient(135deg, #10bd6c 0%, #24e089 100%);--bubble-grad:linear-gradient(135deg, #0fa85f 0%, #18c778 100%);--avatar-grad:linear-gradient(135deg, #0fb265, #3ee08f);--input-bg:#ffffffb8;--shadow:0 14px 40px -14px #0f5a374d;--app-bg:radial-gradient(135% 95% at 50% -18%, #c4f5da 0%, #e9faf0 46%, #edf6f1 100%);color:var(--ink);font-family:Onest,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}[data-theme=dark]{--bg:#10221a;--ink:#e4f4ea;--muted:#93b8a5;--faint:#6a8a79;--line:#ffffff17;--raised:#172c22;--accent:#45f2a2;--accent-soft:#45f2a22e;--on-accent:#052a1c;--user-grad:linear-gradient(135deg, #24e88f 0%, #6fb 100%);--avatar-grad:linear-gradient(135deg, #26ea92, #63ffb8);--bubble-grad:linear-gradient(135deg, #0e9455 0%, #16b46e 100%);--input-bg:#ffffff0d;--shadow:0 18px 50px -16px 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var(--hairline);background:var(--raised);color:var(--ink);cursor:pointer;border-radius:8px;align-items:center;gap:6px;padding:7px 14px;font-size:13px;display:inline-flex}.duplicateScanBtn:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.duplicateScanBtn:disabled{opacity:.6;cursor:default}.duplicateResults{flex-direction:column;gap:10px;margin-top:12px;display:flex}.duplicateNone{color:var(--muted);margin:0;font-size:13px}.duplicatePair{border:1px solid var(--hairline);background:var(--surface);border-radius:10px;flex-direction:column;gap:6px;padding:12px 14px;display:flex}.duplicateNames{align-items:center;gap:8px;font-size:14px;display:flex}.duplicateSep{color:var(--muted)}.duplicateReason{color:var(--muted);margin:0;font-size:12px}.duplicateActions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.duplicateActions .primary{align-items:center;gap:5px;padding:6px 14px;font-size:13px;display:inline-flex}.duplicateSkip{border:1px solid var(--hairline);color:var(--muted);cursor:pointer;background:0 0;border-radius:8px;align-items:center;gap:5px;padding:6px 12px;font-size:13px;display:inline-flex}.duplicateSkip:hover:not(:disabled){color:var(--ink);border-color:var(--ink)}.duplicateSkip:disabled{opacity:.5;cursor:default}.spin{animation:.8s linear infinite spin}