:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #14171c;
  --muted: #5d6673;
  --line: #e3e6eb;
  --accent: #2f5bea;
  --accent-ink: #ffffff;
  --free: #157f3d;
  --free-bg: #e5f5eb;
  --taken: #b42318;
  --taken-bg: #fdecea;
  --maybe: #9a6700;
  --maybe-bg: #fff4d6;
  --unk: #5d6673;
  --unk-bg: #eef0f3;
  --radius: 12px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1216;
    --surface: #171b21;
    --text: #e8ebef;
    --muted: #98a1ad;
    --line: #262c35;
    --accent: #6d8dff;
    --accent-ink: #0b0d10;
    --free: #4ade80;
    --free-bg: #12301e;
    --taken: #ff8a80;
    --taken-bg: #3a1714;
    --maybe: #f5c451;
    --maybe-bg: #33280c;
    --unk: #98a1ad;
    --unk-bg: #222831;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
code { font-family: var(--mono); font-size: .92em; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.hero { max-width: 760px; margin: 0 auto; padding: 48px 16px 24px; }
.brand { font-family: var(--mono); font-weight: 700; color: var(--text); text-decoration: none; font-size: 15px; }
.brand span { color: var(--accent); }
h1 { font-size: clamp(28px, 5vw, 40px); line-height: 1.15; margin: 28px 0 8px; letter-spacing: -.02em; }
.lede { color: var(--muted); margin: 0 0 20px; }

.search { display: flex; gap: 8px; }
.search input {
  flex: 1; min-width: 0;
  font: 500 18px var(--mono);
  padding: 14px 16px;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); color: var(--text);
}
.search input:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
button { font: inherit; cursor: pointer; }
.search button {
  padding: 0 22px; border: 0; border-radius: var(--radius);
  background: var(--accent); color: var(--accent-ink); font-weight: 600;
}
.msg { min-height: 1.5em; margin: 10px 2px 0; color: var(--taken); font-size: 14px; }

main { max-width: 760px; margin: 0 auto; padding: 0 16px; display: grid; gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.sec-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.sec-head h2 { margin: 0; font-size: 15px; }
.ghost { border: 1px solid var(--line); background: transparent; color: var(--text); border-radius: 8px; padding: 6px 12px; font-size: 14px; }
.ghost:disabled { opacity: .5; cursor: default; }

.list { list-style: none; margin: 0; padding: 0; }
.row { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-top: 1px solid var(--line); }
.list .row:first-child { border-top: 0; }
.row .name { font-family: var(--mono); font-weight: 600; overflow-wrap: anywhere; }
.row .name small { color: var(--muted); font-weight: 400; }
.row .meta { color: var(--muted); font-size: 13px; }
.row .main { flex: 1; min-width: 0; }
.row .act { border: 1px solid var(--line); background: transparent; color: var(--text); border-radius: 6px; padding: 3px 10px; font-size: 13px; }

.buy { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.buy a {
  font-size: 13px; font-weight: 600; text-decoration: none;
  color: var(--accent); border: 1px solid var(--line); border-radius: 6px; padding: 2px 9px;
}
.buy a:hover { border-color: var(--accent); }
.buy small { color: var(--muted); font-weight: 400; }
.compact .buy { margin-top: 3px; }

#exact .row { padding: 18px 16px; }
#exact .buy a { font-size: 14px; padding: 5px 12px; background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
#exact .buy small { color: inherit; opacity: .8; }
#exact .name { font-size: 20px; }

.badge { flex: none; font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 999px; white-space: nowrap; }
.badge.available { color: var(--free); background: var(--free-bg); }
.badge.taken { color: var(--taken); background: var(--taken-bg); }
.badge.likely_available { color: var(--maybe); background: var(--maybe-bg); }
.badge.unknown, .badge.invalid_tld, .badge.pending, .badge.error { color: var(--unk); background: var(--unk-bg); }
.badge.pending::after { content: ""; display: inline-block; width: 8px; height: 8px; margin-left: 6px; border-radius: 50%; border: 2px solid currentColor; border-right-color: transparent; animation: spin .8s linear infinite; vertical-align: -1px; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .badge.pending::after { animation: none; } }

.compact .row { padding: 8px 16px; }
.compact .name { font-weight: 500; }
#all[data-filter="free"] .row:not([data-s="available"]):not([data-s="likely_available"]) { display: none; }
#all[data-filter="taken"] .row:not([data-s="taken"]) { display: none; }
#all .row[data-s="pending"] { display: none; }

#sweep-ui { padding: 12px 0 0; }
.progress { height: 4px; background: var(--line); margin: 0 16px; border-radius: 2px; overflow: hidden; }
#bar { height: 100%; width: 0; background: var(--accent); transition: width .2s; }
.filters { display: flex; gap: 6px; padding: 12px 16px 0; flex-wrap: wrap; }
.filters button { border: 1px solid var(--line); background: transparent; color: var(--muted); border-radius: 999px; padding: 4px 12px; font-size: 13px; }
.filters button.on { background: var(--text); color: var(--bg); border-color: var(--text); }
.filters b { font-weight: 600; margin-left: 4px; }
.hint { color: var(--muted); font-size: 13px; margin: 8px 16px 8px; }

footer { max-width: 760px; margin: 0 auto; padding: 32px 16px 48px; color: var(--muted); font-size: 13px; }

@media (max-width: 520px) {
  .hero { padding-top: 28px; }
  .search button { padding: 0 16px; }
  .row { flex-wrap: wrap; gap: 6px 12px; }
}