:root{
  --bg:#f5f8fb;
  --card:#ffffff;
  --text:#18324a;
  --muted:#637589;
  --line:#dce4ec;
  --primary:#1682d4;
  --primary-dark:#1268a9;
  --danger:#c43b3b;
  --ok:#237a3c;
}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1180px;margin:0 auto;padding:18px}
.topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:18px}
.topbar h1{margin:0 0 4px;font-size:28px}
.muted{color:var(--muted);margin:0}
.nav{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.nav a{background:#fff;border:1px solid var(--line);padding:10px 12px;border-radius:10px;color:var(--text)}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;margin-bottom:18px;box-shadow:0 4px 18px rgba(15,35,55,.05)}
.grid{display:grid;gap:18px}
.grid.cols-2{grid-template-columns:1.2fr .8fr}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
@media (max-width:900px){.grid.cols-2,.grid.cols-3{grid-template-columns:1fr}.topbar{flex-direction:column}}
label{display:block;font-weight:700;margin-bottom:6px}
input[type=text],input[type=email],input[type=password],input[type=file],textarea,select{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--text)}
textarea{min-height:120px;resize:vertical}
button,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--primary);border:0;color:#fff;padding:11px 14px;border-radius:10px;font-weight:700;cursor:pointer}
button:hover,.btn:hover{background:var(--primary-dark);text-decoration:none}
.btn-secondary{background:#fff;color:var(--text);border:1px solid var(--line)}
.btn-danger{background:var(--danger)}
.inline{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:12px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:#f8fbfe}
.flash{padding:12px 14px;border-radius:12px;margin:0 0 14px;border:1px solid var(--line);background:#fff}
.flash.success{border-color:#c9ead1;background:#f1fbf4;color:#1d6c34}
.flash.error{border-color:#f3cccc;background:#fff3f3;color:#952c2c}
.flash.info{border-color:#cfe2f8;background:#f3f9ff;color:#225d93}
.stat{font-size:30px;font-weight:700;margin-top:8px}
.badge{display:inline-block;padding:5px 8px;border-radius:999px;background:#eef5fb;color:#225d93;font-size:12px;font-weight:700}
.badge.inactive,.badge.invalid{background:#fff1f1;color:#9a3232}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:700px){.form-row{grid-template-columns:1fr}}
.help{color:var(--muted);font-size:14px;margin-top:5px}
.footer{padding:14px 0 40px;color:var(--muted);text-align:center}
.actions{display:flex;gap:8px;flex-wrap:wrap}
pre.preview{white-space:pre-wrap;background:#f8fbfe;border:1px solid var(--line);padding:14px;border-radius:10px;max-height:250px;overflow:auto}
.small{font-size:13px}

.scan-card .flash{margin-bottom:0}
.scan-preview-wrap{margin-top:12px;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#f8fbfe}
.scan-preview-wrap img{display:block;max-width:100%;height:auto}
#scan-results{min-height:120px}