:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --fg: #1c2230;
  --muted: #667085;
  --line: #e3e6eb;
  --accent: #2f5bd3;
  --accent-fg: #ffffff;
  --ok: #1d7a46;
  --danger: #b42318;
  --notice: #eef3ff;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151b;
    --card: #1b2029;
    --fg: #e6e8ec;
    --muted: #98a2b3;
    --line: #2c333f;
    --accent: #7c9bff;
    --accent-fg: #0d1117;
    --ok: #5fd19a;
    --danger: #ff8a7a;
    --notice: #1f2a44;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.9em; }
.top {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: 0.75rem 1rem; border-bottom: 1px solid var(--line); background: var(--card);
}
.top nav { display: flex; gap: 1rem; align-items: center; }
.brand { font-weight: 600; color: var(--fg); text-decoration: none; }
main { margin: 2rem auto; padding: 0 1rem; }
main.narrow { max-width: 34rem; }
main.wide { max-width: 64rem; }
h1 { font-size: 1.5rem; margin: 0 0 1rem; }
h2 { font-size: 1.1rem; margin: 0 0 0.75rem; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 1.25rem; margin-bottom: 1.25rem;
}
.muted { color: var(--muted); }
.small { font-size: 0.875rem; }
.count { color: var(--muted); font-weight: 400; }
.notice { background: var(--notice); border-radius: 8px; padding: 0.6rem 0.9rem; }
.error { color: var(--danger); }
.status { min-height: 1.5em; }
.status.error { color: var(--danger); }
.status.ok { color: var(--ok); }
.btn {
  display: inline-block; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-fg);
  border-radius: 8px; padding: 0.55rem 1rem; font: inherit; text-decoration: none; cursor: pointer;
}
.btn:disabled { opacity: 0.55; cursor: default; }
.btn.secondary { background: transparent; color: var(--accent); }
.btn.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
button.link { background: none; border: 0; padding: 0; font: inherit; color: var(--accent); cursor: pointer; text-decoration: underline; }
button.link.danger { color: var(--danger); }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; margin: 0.5rem 0 1rem; }
.actions form { margin: 0; }
.tag { display: inline-block; font-size: 0.8rem; padding: 0.05rem 0.5rem; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.tag.ok { color: var(--ok); border-color: currentColor; }
.tag.danger { color: var(--danger); border-color: currentColor; }
.links { padding-left: 1.2rem; }
.links li { margin: 0.3rem 0; }
.scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; margin-bottom: 0.75rem; }
th, td { text-align: left; padding: 0.45rem 0.5rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--muted); font-weight: 600; }
td form { margin: 0; }
td.ua { max-width: 18rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
label { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.9rem; color: var(--muted); }
input[type=text], input[type=email] {
  font: inherit; color: var(--fg); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 0.5rem 0.65rem;
}
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); gap: 0.9rem; align-items: end; }
.grid .full { grid-column: 1 / -1; display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
form.inline { display: flex; gap: 0.75rem; align-items: end; flex-wrap: wrap; margin-top: 0.75rem; }
form.inline label { flex: 1 1 16rem; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 0.35rem 1rem; margin: 0 0 0.5rem; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
pre.mail { white-space: pre-wrap; background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 0.9rem; }
.copyrow { display: flex; gap: 0.75rem; }
.copyrow input { flex: 1; min-width: 0; }
.danger-zone { border-color: color-mix(in srgb, var(--danger) 35%, var(--line)); }
details summary { cursor: pointer; color: var(--muted); }