:root {
  color-scheme: light;
  --bg:#f5f7fb; --surface:#ffffff; --soft:#f8fafc;
  --ink:#182438; --muted:#627189; --border:#dce3ee;
  --primary:#2464e9; --primary-ink:#ffffff; --link:#1956d5;
  --warn-bg:#fff8e6; --warn-line:#e8c880; --bad-bg:#fff1f0; --bad-line:#eca5a5;
  --shadow:0 10px 32px rgba(25,42,75,.06);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme:dark; --bg:#0c1321; --surface:#151f30; --soft:#101a2a;
    --ink:#edf3fc; --muted:#a2b0c4; --border:#2e3d54;
    --primary:#6a9bff; --primary-ink:#08111f; --link:#9ec4ff;
    --warn-bg:#302819; --warn-line:#74603a; --bad-bg:#341e23; --bad-line:#8d454a;
    --shadow:0 14px 35px rgba(0,0,0,.12);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark; --bg:#0c1321; --surface:#151f30; --soft:#101a2a;
  --ink:#edf3fc; --muted:#a2b0c4; --border:#2e3d54;
  --primary:#6a9bff; --primary-ink:#08111f; --link:#9ec4ff;
  --warn-bg:#302819; --warn-line:#74603a; --bad-bg:#341e23; --bad-line:#8d454a;
  --shadow:0 14px 35px rgba(0,0,0,.12);
}
:root[data-theme="light"] { color-scheme: light; }
* { box-sizing:border-box; }
html { min-height:100%; }
body { margin:0; min-height:100vh; display:flex; flex-direction:column; background:var(--bg); color:var(--ink); font:15px/1.55 system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif; }
a { color:var(--link); text-decoration:none; }
a:hover { text-decoration:underline; }
button, input { font:inherit; }
button { cursor:pointer; }
.container { width:min(1140px,100%); padding-inline:24px; margin-inline:auto; }
.topbar { background:var(--surface); border-bottom:1px solid var(--border); }
.top-inner { min-height:74px; display:flex; justify-content:space-between; align-items:center; gap:18px; }
.brand { display:flex; align-items:center; gap:12px; font-size:19px; color:var(--ink); white-space:nowrap; letter-spacing:-.03em; }
.brand:hover { text-decoration:none; }
.brand-symbol { width:37px; height:37px; display:grid; place-items:center; border-radius:10px; background:var(--primary); color:var(--primary-ink); font-size:15px; font-weight:850; letter-spacing:-.09em; }
.top-actions { display:flex; align-items:center; gap:9px; }
.header-btn, .smallbutton { display:inline-flex; align-items:center; justify-content:center; gap:7px; text-decoration:none; padding:9px 13px; background:var(--soft); color:var(--ink); border:1px solid var(--border); border-radius:9px; font-size:13px; font-weight:650; line-height:1.35; white-space:nowrap; }
.header-btn:hover, .smallbutton:hover { background:var(--bg); text-decoration:none; border-color:var(--primary); }
.theme-icon { font-size:17px; }
.layout { flex:1; padding-top:46px; padding-bottom:66px; }
.searchbox { display:flex; align-items:center; gap:12px; border:1px solid var(--border); border-radius:13px; padding:9px; background:var(--surface); box-shadow:var(--shadow); }
.searchbox:focus-within { border-color:var(--primary); outline:3px solid color-mix(in srgb, var(--primary) 16%, transparent); }
.searchbox svg { width:20px; height:20px; margin-left:10px; flex:none; color:var(--muted); }
.searchbox input { flex:1; min-width:0; padding:10px 3px; outline:0; border:0; background:transparent; color:var(--ink); }
.searchbox input::placeholder { color:var(--muted); opacity:.9; }
.search-btn { padding:11px 23px; flex:none; background:var(--primary); color:var(--primary-ink); font-weight:750; border:0; border-radius:9px; }
.search-btn:hover { filter:brightness(.93); }
:focus-visible { outline:3px solid var(--primary); outline-offset:3px; }
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }
.result-head { display:flex; flex-wrap:wrap; justify-content:space-between; align-items:end; gap:16px; margin-top:36px; margin-bottom:18px; }
.section-kicker { color:var(--muted); font-size:12px; font-weight:650; }
h1 { font-size:clamp(24px,4vw,30px); line-height:1.25; margin:3px 0 0; overflow-wrap:anywhere; }
h2 { font-size:17px; margin:0; line-height:1.4; letter-spacing:-.015em; }
h3 { font-size:15px; margin:20px 0 12px; }
p { margin:10px 0; }
.export { display:flex; gap:8px; }
.notice { margin:20px 0; padding:13px 16px; border-radius:10px; border:1px solid var(--warn-line); background:var(--warn-bg); }
.notice.error { border-color:var(--bad-line); background:var(--bad-bg); }
.summary { display:flex; flex-wrap:wrap; gap:12px; margin-bottom:16px; }
.summary > div { min-width:180px; flex:1; display:grid; gap:5px; background:var(--surface); border:1px solid var(--border); padding:14px 18px; border-radius:11px; }
.summary span { font-size:12px; color:var(--muted); }
.summary strong { font-size:16px; overflow-wrap:anywhere; font-weight:680; }
.panel { background:var(--surface); border:1px solid var(--border); border-radius:12px; box-shadow:var(--shadow); padding:18px; margin:16px 0; overflow:hidden; }
.panel-head { display:flex; align-items:center; justify-content:space-between; gap:14px; margin-bottom:14px; }
.count { font-size:14px; color:var(--muted); font-weight:500; }
.table-filter { width:min(270px,100%); min-width:100px; padding:9px 11px; border-radius:8px; border:1px solid var(--border); color:var(--ink); background:var(--soft); }
.table-scroller { max-width:100%; overflow:auto; }
table { width:100%; border-collapse:collapse; text-align:left; }
th, td { border-bottom:1px solid var(--border); padding:11px 12px; vertical-align:top; font-size:13px; }
th { background:var(--soft); color:var(--muted); font-size:12px; white-space:nowrap; font-weight:720; cursor:pointer; }
th[aria-sort="ascending"]::after { content:' ↑'; color:var(--primary); }
th[aria-sort="descending"]::after { content:' ↓'; color:var(--primary); }
tr:last-child td { border-bottom:0; }
tbody tr:hover { background:var(--soft); }
.filter-table tr[hidden] { display:none; }
.description { max-width:350px; }
.mono { font-family:ui-monospace,Consolas,monospace; overflow-wrap:anywhere; }
.pill { display:inline-block; border:1px solid var(--border); border-radius:6px; font-size:11px; font-weight:680; background:var(--soft); padding:3px 7px; white-space:nowrap; }
.pill.blue { border-color:var(--primary); }
.pill.orange { border-color:var(--warn-line); }
.separator { color:var(--muted); padding:0 4px; }
.pagination { display:flex; justify-content:space-between; gap:10px; padding-top:14px; }
.muted, .source-note { color:var(--muted); }
.pad { padding:12px 0; }
.details .rpsl { padding:12px 0; }
.rpsl + .rpsl { border-top:1px solid var(--border); }
.rpsl-title { font-size:13px; font-weight:700; padding:0 0 10px; }
dl { display:grid; grid-template-columns:minmax(135px, 22%) minmax(0, 1fr); row-gap:5px; column-gap:15px; margin:6px 0 14px; font-size:13px; }
dt { color:var(--muted); }
dd { margin:0; overflow-wrap:anywhere; }
.contact { border-top:1px solid var(--border); padding:15px 0 2px; font-size:13px; }
.source-note { text-align:center; font-size:12px; margin-top:25px; }
.footer { border-top:1px solid var(--border); background:var(--surface); color:var(--muted); font-size:12px; }
.footer-inner { display:flex; justify-content:space-between; gap:12px; padding-top:18px; padding-bottom:18px; }
@media(max-width:650px) {
  .container { padding-inline:15px; }
  .top-inner { min-height:70px; }
  .brand { gap:8px; font-size:16px; }
  .brand-symbol { width:30px; height:30px; font-size:12px; }
  .top-actions { gap:5px; }
  .header-btn { padding:8px 9px; font-size:12px; }
  .theme-label { display:none; }
  .portal-btn { max-width:120px; white-space:normal; line-height:1.15; }
  .layout { padding-top:28px; }
  .searchbox { gap:6px; padding:6px; }
  .searchbox svg { margin-left:5px; }
  .search-btn { padding:12px; }
  .panel { padding:12px; }
  .panel-head { flex-wrap:wrap; }
  .table-filter { width:100%; }
  th,td { padding:10px; }
  dl { grid-template-columns:1fr; row-gap:2px; }
  dt { margin-top:6px; }
  .footer-inner { flex-wrap:wrap; }
}
/* v1.2 – compact administrative port checker */
.scan-layout { padding-bottom:40px; }
.scan-form { display:flex; flex-wrap:wrap; gap:10px; align-items:center; }
.scan-form label { font-weight:650; font-size:13px; }
.scan-form input,.scan-form select { min-height:42px; color:var(--ink); background:var(--soft); border:1px solid var(--border); border-radius:9px; padding:8px 12px; }
.scan-form input { width:min(280px,100%); }
.scan-form select { min-width:240px; max-width:100%; }
.small-text { font-size:12px; }
@media(max-width:650px) { .scan-form { align-items:stretch; flex-direction:column; } .scan-form input,.scan-form select { width:100%; } }