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24px;flex:1}.modal-loading{text-align:center;color:#64748b;padding:32px 0}.modal-empty{text-align:center;color:#94a3b8;padding:32px 0;font-size:14px}.history-list{display:flex;flex-direction:column;gap:12px}.history-item{border:1px solid #e2e8f0;border-radius:10px;padding:14px 16px}.history-meta{display:flex;align-items:center;gap:10px;margin-bottom:8px;flex-wrap:wrap}.history-campaign{font-size:13px;font-weight:600;color:#334155}.history-date{font-size:12px;color:#94a3b8;margin-left:auto}.history-sender{font-size:12px;color:#64748b;margin-bottom:4px}.history-subject{font-size:13px;color:#334155;margin-bottom:4px}.history-engagement{font-size:12px;color:#6366f1;margin-bottom:4px}.history-error{font-size:12px;color:#991b1b;background:#fee2e2;padding:4px 8px;border-radius:6px;margin-top:6px}.history-body-wrap{margin-top:10px}.history-body-wrap summary{font-size:12px;color:#6366f1;cursor:pointer;-webkit-user-select:none;user-select:none}.history-body{margin-top:10px;padding:12px;background:#f8fafc;border-radius:8px;font-size:13px;line-height:1.6;max-height:300px;overflow-y:auto;border:1px solid #e2e8f0}