:root{--bg:#f4f7fb;--card:#fff;--ink:#1e293b;--muted:#64748b;--line:#dbe3ef;--blue:#4c63aa;--blue-soft:#eaf0ff;--yellow:#fff7cc;--red:#b42318;--red-bg:#fff1f0;--green:#087443;--green-bg:#ecfdf3;--orange:#9a6700;--orange-bg:#fff8e1}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;font-size:14px}body.busy{cursor:progress}.topbar{background:linear-gradient(120deg,#455aa3,#7886c9);color:#fff;padding:28px max(18px,calc((100vw - 1180px)/2));display:flex;justify-content:space-between;gap:24px;align-items:flex-start}.brand{font-size:13px;opacity:.85;margin-bottom:5px}.topbar h1{margin:0;font-size:28px;letter-spacing:.5px}.topbar p{margin:8px 0 0;opacity:.85}.ghost{background:transparent;border:1px solid rgba(255,255,255,.7);color:#fff;padding:9px 13px;border-radius:8px;cursor:pointer}main{max-width:1180px;margin:22px auto;padding:0 16px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;margin:0 0 16px;padding:20px;box-shadow:0 4px 14px rgba(34,58,95,.04)}.section-heading{display:flex;gap:12px;align-items:flex-start;margin-bottom:16px}.section-heading h2{margin:0 0 5px;font-size:19px}.section-heading p{margin:0;color:var(--muted);line-height:1.55}.step{display:inline-flex;align-items:center;justify-content:center;background:var(--blue);color:#fff;border-radius:50%;width:28px;height:28px;flex:0 0 28px;font-weight:700}.drop-zone{border:2px dashed #b7c4df;border-radius:12px;min-height:145px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;color:#43516d;position:relative;transition:.15s}.drop-zone.dragover{border-color:var(--blue);background:var(--blue-soft)}.drop-zone input{position:absolute;inset:0;opacity:0;cursor:pointer}.upload-icon{font-size:36px;color:var(--blue);line-height:1}.drop-zone small,.muted,small{color:var(--muted)}.status{margin-top:12px;background:#f8fafc;border-radius:8px;padding:10px;color:var(--muted)}.status.error{background:var(--red-bg);color:var(--red)}.stats{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px}.stat{background:#f8fafc;border:1px solid #e7edf6;border-radius:10px;padding:12px;min-height:64px}.stat span{display:block;color:var(--muted);font-size:12px}.stat strong{display:block;font-size:20px;margin-top:5px;color:#263a82}.notice{padding:11px 13px;border-radius:8px;margin-bottom:12px}.warning{background:var(--orange-bg);color:var(--orange)}.pass{background:var(--green-bg);color:var(--green);padding:12px;border-radius:8px}.mapping-row{display:flex;align-items:center;justify-content:space-between;gap:15px;border-bottom:1px solid var(--line);padding:12px 0}.mapping-row small{display:block;margin-top:3px}.mapping-row select{min-width:180px;padding:8px;border:1px solid #cbd5e1;border-radius:7px;background:#fff}.selections{display:grid;grid-template-columns:1fr 1fr;gap:18px}.selection{border:1px solid var(--line);border-radius:10px;padding:14px}.selection-title{display:flex;justify-content:space-between;align-items:center}.selection-title h3{margin:0;font-size:16px}.selection-title span{color:var(--blue);font-weight:700}.selection-actions{display:flex;gap:8px;margin:10px 0}.selection-actions button,.tiny{border:1px solid #cbd5e1;background:#fff;border-radius:6px;padding:6px 9px;cursor:pointer;color:#334155}.person-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.person-grid label{display:grid;grid-template-columns:18px 1fr;grid-template-rows:auto auto;column-gap:5px;padding:8px;border-radius:7px;background:#f8fafc;cursor:pointer}.person-grid input{grid-row:span 2;margin-top:3px}.person-grid em{font-style:normal;color:var(--muted);font-size:11px}.group-metrics{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-bottom:14px}.group-metrics span{background:#fffdea;border:1px solid #eee2a0;border-radius:8px;padding:9px;color:#786415;font-size:12px}.group-metrics strong{display:block;color:#4b3d07;font-size:16px;margin-top:4px}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:8px}table{border-collapse:collapse;width:100%;min-width:1020px}th,td{padding:9px 8px;border-bottom:1px solid var(--line);white-space:nowrap;text-align:right}th{background:#eef3ff;color:#2c3c7b;text-align:center;position:sticky;top:0}th:first-child,td:first-child{text-align:left}.danger-row{background:var(--red-bg)}.warning-row{background:var(--orange-bg)}.check-summary{display:flex;gap:10px;margin-bottom:10px}.check-summary span{padding:7px 10px;border-radius:6px;font-weight:600}.red{color:var(--red);background:var(--red-bg)}.yellow{color:var(--orange);background:var(--orange-bg)}.green{color:var(--green);background:var(--green-bg)}.issue{border:1px solid var(--line);border-left:4px solid #94a3b8;border-radius:7px;padding:10px 12px;display:flex;justify-content:space-between;gap:12px;margin:7px 0;background:#fff}.issue.red{border-left-color:var(--red);background:var(--red-bg)}.issue.yellow{border-left-color:#d18b00;background:#fffdf2}.issue.green{border-left-color:var(--green);background:var(--green-bg)}.issue p{margin:4px 0}.issue small{display:block}.tiny{font-size:12px;margin:2px}.rules p{margin:7px 0;line-height:1.55}.export-card{border-color:#bfcaf1}.export-actions{display:flex;gap:10px;flex-wrap:wrap}.primary,.secondary{border:0;border-radius:8px;padding:11px 16px;color:#fff;font-weight:700;cursor:pointer}.primary{background:#4c63aa}.secondary{background:#198a72}.primary:disabled,.secondary:disabled{opacity:.45;cursor:not-allowed}footer{text-align:center;color:var(--muted);padding:16px 10px 30px;font-size:12px}@media(max-width:900px){.stats{grid-template-columns:repeat(3,1fr)}.group-metrics{grid-template-columns:repeat(3,1fr)}}@media(max-width:680px){.topbar{padding:20px 16px}.topbar h1{font-size:22px}.topbar .ghost{font-size:12px}.card{padding:15px;border-radius:11px}.selections{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}.person-grid{grid-template-columns:1fr}.group-metrics{grid-template-columns:repeat(2,1fr)}.mapping-row{align-items:flex-start;flex-direction:column}.mapping-row select{width:100%}.section-heading h2{font-size:17px}.drop-zone{min-height:125px}}