:root{
  --primary:#2563eb; --primary-dark:#1d4ed8; --bg:#f3f4f6; --card:#fff;
  --text:#1f2937; --muted:#6b7280; --border:#e5e7eb;
  --green:#16a34a; --yellow:#ca8a04; --red:#dc2626; --blue:#2563eb;
}
*{box-sizing:border-box}
body{margin:0;font-family:Tahoma,'Segoe UI',sans-serif;background:var(--bg);color:var(--text);}
.topbar{display:flex;justify-content:space-between;align-items:center;background:var(--card);
  padding:12px 24px;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10;}
.brand{font-weight:bold;font-size:18px;color:var(--primary-dark);}
.topbar nav a{margin-inline-start:14px;color:var(--text);text-decoration:none;font-size:14px;}
.topbar nav a:hover{color:var(--primary);}
.user-badge{margin-inline-start:14px;color:var(--muted);font-size:13px;}
.container{max-width:1100px;margin:24px auto;padding:0 16px;}
.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:20px;margin-bottom:20px;}
h1{font-size:22px;margin-top:0;} h2{font-size:18px;} h3{font-size:15px;color:var(--muted);}
.btn{display:inline-block;background:var(--primary);color:#fff;border:none;padding:9px 18px;
  border-radius:7px;cursor:pointer;font-size:14px;text-decoration:none;}
.btn:hover{background:var(--primary-dark);}
.btn.secondary{background:#fff;color:var(--primary);border:1px solid var(--primary);}
.btn.danger{background:var(--red);}
.btn.small{padding:5px 10px;font-size:12px;}
.btn-link{color:var(--red);text-decoration:none;}
input[type=text],input[type=password],input[type=number],select,textarea{
  width:100%;padding:9px 10px;border:1px solid var(--border);border-radius:7px;font-size:14px;
  font-family:inherit;background:#fff;color:var(--text);}
label{display:block;margin-bottom:6px;font-size:13px;color:var(--muted);}
.field{margin-bottom:14px;}
table{width:100%;border-collapse:collapse;font-size:13px;}
th,td{padding:8px 10px;border-bottom:1px solid var(--border);text-align:right;}
th{background:#f9fafb;color:var(--muted);font-weight:600;}
tr.matched{background:#f0fdf4;} tr.partial{background:#fefce8;}
tr.left_only{background:#fef2f2;} tr.right_only{background:#eff6ff;}
.badge{display:inline-block;padding:2px 9px;border-radius:12px;font-size:12px;color:#fff;}
.badge.matched{background:var(--green);} .badge.partial{background:var(--yellow);}
.badge.left_only{background:var(--red);} .badge.right_only{background:var(--blue);}
.flash{padding:10px 14px;border-radius:7px;margin-bottom:16px;font-size:14px;}
.flash.error{background:#fef2f2;color:var(--red);border:1px solid #fecaca;}
.flash.success{background:#f0fdf4;color:var(--green);border:1px solid #bbf7d0;}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.stats{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:16px;}
.stat{flex:1;min-width:120px;background:#fff;border:1px solid var(--border);border-radius:10px;padding:14px;text-align:center;}
.stat .num{font-size:24px;font-weight:bold;} .stat .lbl{font-size:12px;color:var(--muted);}
.login-wrap{max-width:380px;margin:80px auto;}
.mapping-row{display:grid;grid-template-columns:2fr 2fr 1.3fr 0.8fr 0.8fr;gap:8px;align-items:center;padding:8px 0;border-bottom:1px solid var(--border);}
.mapping-row.head{font-weight:bold;color:var(--muted);font-size:12px;}
.small-muted{color:var(--muted);font-size:12px;}
.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;}
.pill{background:#eef2ff;color:var(--primary-dark);padding:2px 10px;border-radius:10px;font-size:12px;}
footer.note{color:var(--muted);font-size:12px;margin-top:30px;text-align:center;}