*{box-sizing:border-box}body{margin:0;background:#f4f7fb;color:#182235;font-family:Segoe UI,Arial,sans-serif}
header{background:#111827;color:white;padding:20px 7%;display:flex;gap:16px;align-items:center}header>b{background:#2563eb;padding:11px;border-radius:10px}h1{margin:0;font-size:24px}header p{margin:3px 0;color:#cbd5e1}
main{max-width:1200px;margin:30px auto;padding:0 18px}.hero{background:linear-gradient(135deg,#172554,#2563eb);color:white;padding:36px;border-radius:20px;margin-bottom:20px}.hero h2{font-size:32px;margin:12px 0}.hero p{color:#dbeafe}.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.card{background:white;border:1px solid #e5e7eb;border-radius:16px;padding:24px;margin-bottom:20px;box-shadow:0 8px 25px #1118270b}label{display:block;font-weight:700;margin:15px 0 7px}input,select{width:100%;padding:11px;border:1px solid #d5dae3;border-radius:9px}small{display:block;color:#667085;margin-top:6px}button{width:100%;margin-top:20px;padding:13px;border:0;border-radius:10px;background:#2563eb;color:#fff;font-weight:800}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.stats div{background:#f8fafc;padding:15px;text-align:center;border:1px solid #e5e7eb;border-radius:10px}.stats b{display:block;font-size:22px}.stats small{margin:3px}.hidden{display:none}.treeWrap{overflow:auto;border:1px solid #e5e7eb;border-radius:12px;background:#fbfcff;min-height:540px}.treeHead p{color:#667085}.tree-link{stroke:#94a3b8;stroke-width:2}.tree-node{stroke:#cbd5e1}.tree-decision{fill:#dbeafe}.tree-leaf{fill:#dcfce7}.tree-text{font-size:12px;fill:#172033;font-weight:700}.tree-sub,.edge-label{font-size:10px;fill:#64748b}table{border-collapse:collapse;width:100%;text-align:center}th,td{padding:12px;border:1px solid #e5e7eb}th{background:#f1f5f9}@media(max-width:760px){.grid{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}}

.aucBadge{background:#eef2ff;color:#1d4ed8;padding:8px 12px;border-radius:999px;font-weight:800;font-size:13px}
.rocWrap{margin-top:16px;border:1px solid #e5e7eb;border-radius:12px;background:#fff;overflow:hidden}
#rocSvg{width:100%;height:auto;display:block}
.rocLegend{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.rocItem{background:#f8fafc;border:1px solid #e5e7eb;padding:7px 10px;border-radius:8px;font-size:12px;font-weight:700}