:root{color-scheme:light;--bg: #f6f7f8;--panel: #ffffff;--ink: #111318;--soft: #5d6978;--muted: #8d98a7;--line: #dde3ea;--line-soft: #edf0f4;--success: #16803a;--danger: #a13d2d;--accent: #244b8f}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif;letter-spacing:0}button{font:inherit}.shell{width:min(1180px,calc(100vw - 40px));margin:0 auto;padding:28px 0 56px}.topbar,.toolbar,.upload-panel,.result-panel,.warning-strip{background:var(--panel);border:1px solid var(--line);border-radius:8px}.topbar{display:flex;align-items:center;justify-content:space-between;min-height:88px;padding:18px 22px}.eyebrow{margin:0 0 6px;color:var(--soft);font-size:12px;font-weight:700}h1,h2{margin:0;color:var(--ink);letter-spacing:0}h1{font-size:26px;line-height:1.2}h2{font-size:20px;line-height:1.25}.secure-pill,.tool-button,.primary-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:38px;border-radius:7px;font-weight:700}.secure-pill{padding:0 12px;color:var(--success);background:#eef8f1;border:1px solid #cfe8d7}.toolbar{display:flex;align-items:center;gap:10px;min-height:64px;margin-top:14px;padding:12px}.tool-button,.primary-button{border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;padding:0 14px}.tool-button:disabled,.primary-button:disabled,.upload-target:disabled{cursor:not-allowed;opacity:.58}.primary-button{min-width:154px;color:#fff;background:var(--ink);border-color:var(--ink)}.message{margin-left:auto;color:var(--soft);font-size:13px;font-weight:700}.message.error{color:var(--danger)}.upload-panel{margin-top:14px;padding:16px}.upload-target{display:grid;width:100%;min-height:144px;place-items:center;gap:8px;border:1px dashed #b9c3cf;border-radius:8px;background:#fbfcfd;color:var(--soft);cursor:pointer}.upload-target span{color:var(--ink);font-size:16px;font-weight:800}.upload-target small{color:var(--muted);font-size:12px}.summary-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:14px}.metric{min-height:96px;padding:16px;background:var(--panel);border:1px solid var(--line);border-radius:8px}.metric span{display:block;color:var(--soft);font-size:13px;font-weight:700}.metric strong{display:block;margin-top:10px;font-size:30px;line-height:1}.metric strong.success{color:var(--success)}.metric strong.muted{color:var(--muted)}.warning-strip{display:flex;align-items:center;gap:10px;margin-top:14px;padding:12px 14px;color:#7d4a00;background:#fff8e8;border-color:#ead9b8;font-size:13px;font-weight:700}.result-panel{margin-top:14px;overflow:hidden}.result-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px;border-bottom:1px solid var(--line-soft)}.result-actions{display:inline-flex;align-items:center;gap:10px}.segmented{display:inline-flex;padding:3px;border:1px solid var(--line);border-radius:8px;background:#f7f8fa}.segmented button{min-width:54px;height:32px;border:0;border-radius:6px;background:transparent;color:var(--soft);cursor:pointer;font-weight:700}.segmented button.active{background:#fff;color:var(--ink);box-shadow:0 1px 4px #11131814}.table-wrap{overflow-x:auto}table{width:100%;min-width:860px;border-collapse:collapse;table-layout:fixed}th,td{height:52px;padding:0 14px;border-bottom:1px solid var(--line-soft);text-align:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}th{height:42px;color:var(--soft);background:#fafbfc;font-size:12px;font-weight:800}td{font-size:14px}.status{display:inline-flex;align-items:center;justify-content:center;width:48px;height:26px;border-radius:999px;font-size:12px;font-weight:800}.status.create{color:var(--success);background:#eef8f1}.status.update{color:var(--accent);background:#eef3fc}.empty-cell{color:var(--muted);text-align:center}.spin{animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:760px){.shell{width:min(100vw - 24px,1180px);padding-top:12px}.topbar,.toolbar,.result-header{align-items:stretch;flex-direction:column}.message{margin-left:0}.summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.result-actions{align-items:stretch;flex-direction:column}.segmented,.primary-button{width:100%}}