:root {
  --fallback-bg: #ffffff;
  --fallback-card: #f2f4f7;
  --fallback-text: #101828;
  --fallback-hint: #667085;
  --bg: var(--tg-theme-bg-color, var(--fallback-bg));
  --card: var(--tg-theme-secondary-bg-color, var(--fallback-card));
  --text: var(--tg-theme-text-color, var(--fallback-text));
  --hint: var(--tg-theme-hint-color, var(--fallback-hint));
  --accent: var(--tg-theme-button-color, #2563eb);
  --accent-text: var(--tg-theme-button-text-color, #ffffff);
  --link: var(--tg-theme-link-color, #2563eb);
  --good: #16a34a;
  --bad: #dc2626;
  --radius: 16px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fallback-bg: #0f1720;
    --fallback-card: #18232f;
    --fallback-text: #f2f4f7;
    --fallback-hint: #98a2b3;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
  -webkit-text-size-adjust: 100%;
}

main {
  max-width: 560px;
  margin: 0 auto;
  padding: 16px 16px calc(24px + env(safe-area-inset-bottom));
  display: grid;
  gap: 12px;
}

.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 16px;
}

.card h2 {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--hint);
}

.card p { margin: 0 0 12px; }
.card p:last-child { margin-bottom: 0; }

.status { display: flex; gap: 14px; align-items: center; }
.dot {
  flex: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--hint);
}
.dot.ok { background: var(--good); }
.dot.bad { background: var(--bad); }
.status strong { display: block; font-size: 20px; line-height: 1.2; }
.status span { color: var(--hint); font-size: 14px; }

.card a { color: var(--link); }

.muted { color: var(--hint); font-size: 14px; }

ol { margin: 0 0 12px; padding-left: 20px; }
ol li { margin: 2px 0; }

button {
  appearance: none;
  border: 0;
  width: 100%;
  min-height: 46px;
  padding: 12px 16px;
  border-radius: 12px;
  font: inherit;
  font-weight: 600;
  background: var(--accent);
  color: var(--accent-text);
  cursor: pointer;
}
.plans { display: grid; gap: 8px; margin: 12px 0; }
button.secondary { background: transparent; color: var(--link); box-shadow: inset 0 0 0 1.5px var(--hint); }
button.danger { background: transparent; color: var(--bad); box-shadow: inset 0 0 0 1.5px var(--bad); }
button:disabled { opacity: .5; cursor: default; }
button:focus-visible, textarea:focus-visible { outline: 3px solid var(--link); outline-offset: 2px; }

textarea {
  display: block;
  width: 100%;
  min-height: 96px;
  margin: 0 0 12px;
  padding: 12px;
  border: 1.5px solid transparent;
  border-radius: 12px;
  font: inherit;
  color: var(--text);
  background: var(--bg);
  resize: vertical;
}

dl { display: grid; grid-template-columns: 1fr auto; gap: 6px 12px; margin: 0; }
dt { color: var(--hint); }
dd { margin: 0; font-weight: 600; text-align: right; }

#toast {
  position: fixed;
  left: 50%;
  bottom: calc(20px + env(safe-area-inset-bottom));
  transform: translate(-50%, 24px);
  max-width: min(92vw, 420px);
  padding: 12px 16px;
  border-radius: 12px;
  background: var(--text);
  color: var(--bg);
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s, transform .2s;
}
#toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (prefers-reduced-motion: reduce) {
  #toast { transition: none; }
}

/* страницы политики и условий */
.doc { max-width: 720px; margin: 0 auto; padding: 24px 16px calc(48px + env(safe-area-inset-bottom)); }
.doc h1 { margin: 0 0 4px; font-size: 26px; line-height: 1.2; }
.doc h2 { margin: 28px 0 8px; font-size: 18px; line-height: 1.3; }
.doc p, .doc li { margin: 0 0 10px; }
.doc ul { margin: 0 0 12px; padding-left: 20px; }
.doc a { color: var(--link); }
.doc table { width: 100%; margin: 8px 0 12px; border-collapse: collapse; font-size: 14px; }
.doc th, .doc td { padding: 10px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--card); }
.doc th { font-size: 12px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--hint); }

@media (max-width: 640px) {
  .doc thead { display: none; }
  .doc table, .doc tbody, .doc tr, .doc td { display: block; }
  .doc tr { margin-bottom: 10px; padding: 10px 12px; background: var(--card); border-radius: 12px; }
  .doc td { padding: 4px 0; border: 0; }
  .doc td::before { content: attr(data-label); display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--hint); }
}

/* шапка, мониторинг, статистика, настройки */
html[data-theme="light"] { --bg: #ffffff; --card: #f2f4f7; --text: #101828; --hint: #667085; color-scheme: light; }
html[data-theme="dark"] { --bg: #0f1720; --card: #18232f; --text: #f2f4f7; --hint: #98a2b3; color-scheme: dark; }

.top { display: flex; align-items: center; gap: 12px; padding: 4px 2px; }
.avatar { flex: none; width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; font-size: 18px; background: var(--accent); color: var(--accent-text); }
.who { flex: 1; min-width: 0; }
.who strong { display: block; font-size: 17px; line-height: 1.2; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.who span { color: var(--hint); font-size: 14px; }
button.icon { width: 40px; min-height: 40px; padding: 0; border-radius: 50%; font-size: 20px; background: var(--card); color: var(--text); }
.title { margin: 8px 2px 0; font-size: 26px; line-height: 1.2; }

.row { display: flex; gap: 12px; align-items: center; }
.row strong { display: block; }
.row span { color: var(--hint); font-size: 14px; }
.ico { flex: none; width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; background: var(--bg); color: var(--hint); }
.ico.ok { background: var(--good); color: #ffffff; }

.seg { display: flex; gap: 4px; margin: 0 0 12px; padding: 3px; border-radius: 12px; background: var(--bg); }
.seg button { min-height: 36px; padding: 6px 10px; border-radius: 9px; font-size: 14px; background: transparent; color: var(--hint); }
.seg button.on { background: var(--accent); color: var(--accent-text); }

.totals { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 6px; font-weight: 600; }
.key { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-left: 8px; }
.key:first-child { margin-left: 0; }
.key.del { background: var(--bad); }
.key.edit { background: #3b82f6; }
.chart { display: block; width: 100%; height: auto; }
.bar-del { fill: var(--bad); }
.bar-edit { fill: #3b82f6; }
.axis { fill: var(--hint); font-size: 9px; }

/* резервные копии */
.chat { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-top: 1px solid var(--bg); }
.chat:first-of-type { border-top: 0; }
.avatar.small { width: 40px; height: 40px; font-size: 16px; }
.grow { flex: 1; min-width: 0; }
.grow strong, .grow span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.grow span { color: var(--hint); font-size: 14px; }
button.pill { width: auto; min-height: 34px; padding: 6px 14px; border-radius: 17px; font-size: 14px; }
.searchrow { display: flex; gap: 8px; margin: 0 0 12px; }
input.search { flex: 1; min-width: 0; padding: 8px 12px; border: 1.5px solid transparent; border-radius: 12px; font: inherit; color: var(--text); background: var(--bg); }
input.search:focus-visible { outline: 3px solid var(--link); outline-offset: 2px; }
.msg { margin: 0 0 8px; padding: 10px 12px; border-radius: 12px; background: var(--card); }
.msg.own { box-shadow: inset 3px 0 0 var(--accent); }
.msg p { margin: 4px 0 0; overflow-wrap: anywhere; }
.mh { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 8px; }
.mh span { color: var(--hint); font-size: 13px; }
.mh .tag { padding: 1px 8px; border-radius: 8px; background: var(--bg); font-size: 12px; }
.mh .tag.del { color: var(--bad); }