/* IPv5 Registry Search, the Classic view: after ARIN's search.arin.net, a
   monospace page with a teal title, one search box with its query-type
   filter, and each record as a box of right-aligned labels. */

:root {
  --teal: #0389b3;
  --teal-dark: #005b72;
  --ink: #222;
  --muted: #555;
  --line: #c7cdd3;
  --soft: #f6f7f8;
  --page: #fff;
  --footer: #222;
  --footer-text: #eee;
  --cream: #efe9df;
  --mono: "Liberation Mono", "DejaVu Sans Mono", Menlo, Consolas, "Courier New", monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --teal: #4cc3e6;
    --teal-dark: #003b4a;
    --ink: #e4e7ea;
    --muted: #a8b0b8;
    --line: #3a4148;
    --soft: #1d2226;
    --page: #14181b;
    --footer: #0c0e10;
    --footer-text: #d6dade;
    --cream: #2a2722;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--page); color: var(--ink); font: 15px/1.5 var(--mono); }
a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1140px; margin: 0 auto; padding: 0 16px; }
.mono { font-family: var(--mono); }
.line { display: block; }

.topbar { background: var(--teal-dark); color: #fff; font-size: 13px; }
.topbar a { color: #fff; }
.views { display: inline-flex; gap: 14px; }
.view { opacity: 0.75; }
.view[aria-current="page"] { opacity: 1; font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.topbar-row { display: flex; justify-content: space-between; align-items: center; min-height: 38px; gap: 12px; }

.masthead { background: var(--soft); border-bottom: 1px solid var(--line); }
.masthead-row { display: flex; justify-content: space-between; align-items: center; min-height: 84px; gap: 16px; flex-wrap: wrap; }
.wordmark { font-size: 24px; font-weight: 700; color: var(--teal-dark); letter-spacing: -0.02em; }
@media (prefers-color-scheme: dark) { .wordmark { color: var(--teal); } }
.port43 { color: var(--muted); font-size: 13px; }

.nav { background: var(--soft); border-bottom: 1px solid var(--line); }
.nav-row { display: flex; gap: 26px; min-height: 46px; align-items: center; flex-wrap: wrap; font-size: 14px; }
.nav a { color: var(--ink); }

.layout { display: grid; grid-template-columns: minmax(0, 1fr) 240px; gap: 40px; padding-top: 26px; padding-bottom: 50px; }
.title { margin: 0 0 30px; font-size: 38px; font-weight: 400; color: var(--teal); }

.search-row { display: flex; }
.search-row input {
  flex: 1; min-width: 0; padding: 8px 12px; font: 15px var(--mono); color: var(--ink); background: var(--page);
  border: 1px solid var(--line); border-right: 0; border-radius: 4px 0 0 4px;
}
.search-row input:focus { outline: none; box-shadow: 0 0 0 4px color-mix(in srgb, var(--teal) 30%, transparent); border-color: var(--teal); }
.search-row button { padding: 0 14px; font: 15px var(--mono); color: #fff; background: var(--teal); border: 1px solid var(--teal); border-radius: 0 4px 4px 0; cursor: pointer; }
.under { display: flex; justify-content: space-between; margin-top: 8px; }
.filter-toggle { font: 14px var(--mono); color: var(--teal); background: none; border: 0; padding: 0; cursor: pointer; }
.filter-toggle[aria-expanded="true"] .caret { display: inline-block; transform: rotate(90deg); }
.filter { margin: 12px 0 0; padding: 14px 16px; border: 1px solid var(--line); border-radius: 4px; }
.filter legend { padding: 0 4px; font-size: 14px; }
.filter-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 24px; font-size: 14px; }
.filter-grid label { display: flex; gap: 6px; align-items: baseline; }

.echo { margin: 24px 0 6px; font-size: 17px; }
.status { color: var(--muted); }
.alert { margin: 12px 0; padding: 10px 14px; border: 1px solid var(--line); border-radius: 4px; background: var(--soft); }
.alert.error { border-color: #d9534f; color: #b52b27; background: color-mix(in srgb, #d9534f 10%, var(--page)); }

.box { margin: 0 0 22px; border: 1px solid var(--line); border-radius: 4px; }
.box-title { margin: 0; padding: 8px 16px; font-size: 28px; font-weight: 400; background: var(--soft); border-bottom: 1px solid var(--line); overflow-wrap: anywhere; }
.box-body { padding: 14px 16px; }
.nested { margin: 10px 0; padding: 14px 16px; border: 1px solid var(--line); border-radius: 4px; }

.kv { display: grid; grid-template-columns: minmax(150px, 34%) minmax(0, 1fr); gap: 4px 20px; margin: 0 0 6px; }
.kv dt { text-align: right; font-weight: 700; }
.kv dd { margin: 0; overflow-wrap: anywhere; }
.related-block { margin-top: 14px; padding-top: 14px; border-top: 1px dotted var(--line); }
.related-toggle { font: 15px var(--mono); color: var(--teal); background: none; border: 0; padding: 0; cursor: pointer; }

.notices { margin-top: 18px; font-size: 13px; }
.notice p { margin: 0; }
.notice-title { font-weight: 700; margin-top: 10px !important; }

.related h2 { margin: 0 0 18px; font-size: 22px; font-weight: 400; }
.related { border-left: 1px solid var(--line); padding-left: 16px; align-self: start; }
.related ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; font-size: 14px; }

.backtop { background: var(--cream); text-align: center; padding: 4px; font-size: 12px; }
.backtop a { color: var(--ink); }
.footer { background: var(--footer); color: var(--footer-text); padding: 30px 0 40px; font-size: 14px; }
.footer a { color: var(--footer-text); }
.footer-row { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer-name { font-weight: 700; margin: 0 0 4px; }
.footer p { margin: 0; }
.footer-links { display: flex; flex-direction: column; gap: 8px; text-align: right; }
.noscript { padding: 20px; }

@media (max-width: 760px) {
  .layout { grid-template-columns: 1fr; gap: 24px; }
  .related { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 16px; }
  .title { font-size: 28px; margin-bottom: 18px; }
  .kv { grid-template-columns: 1fr; gap: 0; }
  .kv dt { text-align: left; margin-top: 6px; }
  .filter-grid { grid-template-columns: 1fr; }
  .box-title { font-size: 21px; }
  .footer-links { text-align: left; }
}