:root {
  color-scheme: light dark;
  --bg: #f5f5f3;
  --card: #ffffff;
  --text: #1b1b1a;
  --muted: #6c6c67;
  --line: #e2e2dd;
  --accent: #1f5fd6;
  --accent-text: #ffffff;
  --accent-soft: #e8effc;
  --danger: #b3261e;
  --ok: #1a7f4b;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141413;
    --card: #1e1e1c;
    --text: #efefe9;
    --muted: #a0a099;
    --line: #33332f;
    --accent: #6f9ff0;
    --accent-text: #0e1a30;
    --accent-soft: #1f2c44;
    --danger: #f2877f;
    --ok: #5cc48c;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
h1, h2, h3 { margin: 0; font-weight: 600; }
h2 { font-size: 17px; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

button, input, select, textarea { font: inherit; color: inherit; }
button {
  min-height: 36px;
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  cursor: pointer;
}
button:hover { border-color: var(--muted); }
button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
button.danger { color: var(--danger); }
button.small { min-height: 30px; padding: 3px 10px; font-size: 13px; }
button:disabled { opacity: .55; cursor: default; }

input, textarea, select {
  width: 100%;
  min-height: 38px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
}
textarea { min-height: 280px; resize: vertical; font-size: 13px; line-height: 1.5; }
label { display: grid; gap: 4px; font-size: 13px; color: var(--muted); }
label > input, label > textarea { color: var(--text); font-size: 15px; }
label > textarea { font-size: 13px; }

.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login form { width: min(360px, 100%); display: grid; gap: 14px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.login h1 { font-size: 20px; }

.topbar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px 18px;
  padding: 10px 20px; background: var(--card); border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; }
.tabs { display: flex; gap: 2px; flex: 1; overflow-x: auto; }
@media (max-width: 560px) {
  .topbar { justify-content: space-between; padding: 10px 16px; }
  .tabs { order: 3; flex: 1 0 100%; }
  .tabs button { flex: 1; padding: 6px 4px; font-size: 14px; }
}
.tabs button { border-color: transparent; background: none; color: var(--muted); white-space: nowrap; }
.tabs button[aria-current="page"] { color: var(--text); background: var(--bg); font-weight: 600; }

main { max-width: 1040px; margin: 0 auto; padding: 20px 16px 64px; display: grid; gap: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; min-width: 0; }
.section-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; }
.section-head .search { flex: 1; min-width: 160px; max-width: 320px; }
.hint { color: var(--muted); font-size: 13px; margin: 4px 0 0; }
.empty { color: var(--muted); padding: 24px 0; text-align: center; }
.empty button { margin-top: 10px; }

.row { display: grid; gap: 10px; padding: 14px 0; border-top: 1px solid var(--line); }
.row:first-of-type { border-top: 0; }
.row-top { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; }
.slug { font-weight: 700; font-size: 16px; }
.title { color: var(--muted); }
.spacer { flex: 1; }
.counts { color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.link-line { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.link-line code { font-size: 13px; overflow-wrap: anywhere; min-width: 0; }

.switch { display: flex; flex-wrap: wrap; gap: 6px; }
.switch button { min-height: 34px; }
.switch button[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
.switch-label { font-size: 13px; color: var(--muted); }

.badge { display: inline-block; font-size: 12px; padding: 1px 8px; border-radius: 99px; background: var(--accent-soft); color: var(--accent); white-space: nowrap; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 8px 10px; text-align: right; border-top: 1px solid var(--line); white-space: nowrap; font-variant-numeric: tabular-nums; }
th { color: var(--muted); font-weight: 500; border-top: 0; }
th:first-child, td:first-child { text-align: left; }
td.wrap { white-space: normal; text-align: left; }

dialog {
  width: min(680px, calc(100vw - 24px));
  max-height: calc(100vh - 24px);
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--text);
}
dialog::backdrop { background: rgb(0 0 0 / .45); }
dialog form { display: grid; gap: 14px; padding: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; align-items: center; }
.actions .left { margin-right: auto; }
.radio-line { display: flex; flex-wrap: wrap; gap: 8px; }
.radio-line label { display: flex; align-items: center; gap: 8px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 8px; color: var(--text); font-size: 14px; cursor: pointer; }
.radio-line input { width: auto; min-height: 0; }
.check-line { display: flex; align-items: center; gap: 8px; color: var(--text); font-size: 14px; cursor: pointer; }
.check-line input { width: auto; min-height: 0; }
.error { color: var(--danger); font-size: 14px; margin: 0; }

.settings { display: grid; gap: 12px; max-width: 420px; }

.notice { border-color: var(--accent); display: grid; gap: 10px; justify-items: start; }
.notice .hint { margin: 0; }
.dns-record { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; font-size: 14px; }

.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  max-width: calc(100vw - 32px);
  padding: 10px 16px; border-radius: 8px;
  background: var(--text); color: var(--bg); font-size: 14px;
  z-index: 10;
}
.toast.bad { background: var(--danger); color: #fff; }