:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --text: #16181d;
  --muted: #6b7280;
  --line: #e3e5ea;
  --accent: #2f6fed;
  --accent-text: #ffffff;
  --ok: #1f9d55;
  --warn: #c27c0e;
  --danger: #d93a3a;
  --field: #f7f8fa;
  --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1115;
    --card: #191c22;
    --text: #e8eaee;
    --muted: #9aa1ad;
    --line: #2a2e36;
    --accent: #5b8cff;
    --field: #12151a;
  }
}
:root[data-theme="dark"] {
  --bg: #0f1115;
  --card: #191c22;
  --text: #e8eaee;
  --muted: #9aa1ad;
  --line: #2a2e36;
  --accent: #5b8cff;
  --field: #12151a;
}
/* В Telegram берём цвета темы приложения */
body.tg {
  --bg: var(--tg-theme-secondary-bg-color, var(--bg));
  --card: var(--tg-theme-bg-color, var(--card));
  --text: var(--tg-theme-text-color, var(--text));
  --muted: var(--tg-theme-hint-color, var(--muted));
  --accent: var(--tg-theme-button-color, var(--accent));
  --accent-text: var(--tg-theme-button-text-color, var(--accent-text));
  --field: var(--tg-theme-secondary-bg-color, var(--field));
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
h1 { font-size: 22px; margin: 4px 0 12px; }
h2 { font-size: 17px; margin: 0 0 10px; }
h3 { font-size: 15px; margin: 14px 0 6px; }
p { margin: 8px 0; }
code { word-break: break-all; }

.page { max-width: 720px; margin: 0 auto; padding: 16px 16px 96px; }
.muted { color: var(--muted); font-size: 13px; }
.small { font-size: 13px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.spread { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.grow { flex: 1; min-width: 0; }
.hidden { display: none !important; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  margin: 12px 0;
}
.card.click { cursor: pointer; }
.card.click:hover { border-color: var(--accent); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 14px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--card); color: var(--text); font: inherit; font-weight: 500;
  text-decoration: none; cursor: pointer; min-height: 40px;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.btn.danger { color: var(--danger); }
.btn.small { padding: 6px 10px; min-height: 32px; font-size: 13px; }
.btn.block { width: 100%; }
.btn:disabled { opacity: .5; cursor: default; }

input[type=text], input[type=url], input:not([type]), textarea, select {
  width: 100%; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--field); color: var(--text); font: inherit;
}
textarea { min-height: 96px; resize: vertical; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px; }
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

.copy { display: flex; gap: 8px; margin: 10px 0; }
.copy input { flex: 1; min-width: 0; font-size: 13px; }

.apps { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 8px; margin: 10px 0; }
.qr { max-width: 220px; margin: 8px auto; background: #fff; border-radius: 12px; padding: 8px; }
.qr svg, .qr img { width: 100%; height: auto; display: block; }

/* переключатель */
.toggle { display: flex; gap: 12px; align-items: flex-start; padding: 12px 0; border-top: 1px solid var(--line); }
.toggle:first-of-type { border-top: 0; }
.toggle .txt { flex: 1; }
.toggle .title { font-weight: 600; }
.switch { position: relative; width: 50px; height: 30px; flex: none; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch span {
  position: absolute; inset: 0; background: var(--line); border-radius: 30px; transition: .15s; cursor: pointer;
}
.switch span::before {
  content: ""; position: absolute; width: 24px; height: 24px; left: 3px; top: 3px;
  background: #fff; border-radius: 50%; transition: .15s; box-shadow: 0 1px 3px rgba(0,0,0,.25);
}
.switch input:checked + span { background: var(--ok); }
.switch input:checked + span::before { transform: translateX(20px); }

.chips { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; }
.chip { font-size: 12px; padding: 2px 8px; border-radius: 20px; background: var(--field); border: 1px solid var(--line); color: var(--muted); }
.badge { font-size: 12px; padding: 2px 8px; border-radius: 20px; font-weight: 600; }
.badge.ok { background: rgba(31,157,85,.12); color: var(--ok); }
.badge.off { background: rgba(107,114,128,.15); color: var(--muted); }
.badge.warn { background: rgba(194,124,14,.14); color: var(--warn); }

.seg { display: flex; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.seg button { flex: 1; padding: 10px; border: 0; background: var(--card); color: var(--text); font: inherit; cursor: pointer; }
.seg button.on { background: var(--accent); color: var(--accent-text); }

.bar { height: 8px; border-radius: 8px; background: var(--line); overflow: hidden; margin: 6px 0; }
.bar > div { height: 100%; background: var(--accent); }

.servers .srv { display: flex; align-items: center; gap: 8px; padding: 6px 0; border-top: 1px solid var(--line); }
.servers .srv:first-child { border-top: 0; }
.servers .srv input[type=text] { padding: 6px 8px; font-size: 13px; }
.servers .srv.off input[type=text] { opacity: .45; }
.servers .srv .arrows { display: flex; gap: 2px; }
.servers .srv .arrows button { padding: 4px 8px; min-height: 28px; }
.servers input[type=checkbox] { width: 20px; height: 20px; flex: none; }

.errors { color: var(--danger); font-size: 13px; margin: 6px 0; }
.notice { padding: 10px 12px; border-radius: 10px; background: var(--field); border: 1px solid var(--line); font-size: 13px; }

.savebar {
  position: fixed; left: 0; right: 0; bottom: 0; padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: var(--card); border-top: 1px solid var(--line); display: flex; gap: 8px; justify-content: center; z-index: 10;
}
.savebar .inner { max-width: 720px; width: 100%; display: flex; gap: 8px; align-items: center; }

.toast {
  position: fixed; left: 50%; bottom: 84px; transform: translateX(-50%); background: #111; color: #fff;
  padding: 10px 16px; border-radius: 10px; font-size: 14px; z-index: 20; max-width: calc(100% - 32px);
}
.nav { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; }
.nav a { text-decoration: none; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
td, th { padding: 6px 4px; border-top: 1px solid var(--line); text-align: left; vertical-align: top; }
details summary { cursor: pointer; color: var(--muted); font-size: 13px; }