:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --text: #14161a;
  --muted: #5d6573;
  --line: #e3e6ec;
  --accent: #3b5bdb;
  --accent-ink: #ffffff;
  --code-bg: #f0f2f6;
  --good: #2b8a3e;
  --bad: #c92a2a;
  --bar: #748ffc;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --card: #171a21;
    --text: #e9ecf1;
    --muted: #9aa3b2;
    --line: #262b35;
    --accent: #7b93ff;
    --accent-ink: #0f1115;
    --code-bg: #11141a;
    --good: #69db7c;
    --bad: #ff8787;
    --bar: #5c7cfa;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 16px; }
header { border-bottom: 1px solid var(--line); background: var(--card); }
header .wrap { display: flex; align-items: center; gap: 20px; height: 60px; }
.logo { font-weight: 700; font-size: 18px; color: var(--text); display: flex; align-items: center; gap: 8px; }
.logo svg { width: 22px; height: 22px; }
nav { display: flex; gap: 18px; margin-left: auto; font-size: 15px; }
nav a { color: var(--muted); }
nav a.on, nav a:hover { color: var(--text); text-decoration: none; }
main { padding: 32px 0 56px; }
h1 { font-size: 34px; line-height: 1.2; margin: 8px 0 12px; letter-spacing: -0.01em; }
h2 { font-size: 22px; margin: 44px 0 14px; }
h3 { font-size: 17px; margin: 22px 0 8px; }
p { margin: 0 0 12px; }
.lead { font-size: 18px; color: var(--muted); max-width: 640px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 20px; }
.hero { display: grid; grid-template-columns: 1fr 300px; gap: 28px; align-items: start; }
#packs { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 4px; }
.chip { padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px; font-size: 20px; font-weight: 700; }
.price .big { font-size: 34px; font-weight: 700; }
.price .muted { color: var(--muted); }
.price .row { display: flex; justify-content: space-between; align-items: baseline; padding: 10px 0;
  border-bottom: 1px solid var(--line); }
.price .row:last-of-type { border-bottom: 0; }
.btn { display: inline-block; background: var(--accent); color: var(--accent-ink); border: 0; border-radius: 8px;
  padding: 10px 16px; font: inherit; font-weight: 600; cursor: pointer; }
.btn:hover { text-decoration: none; filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--line); }
.btns { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 28px; }
.points .card { padding: 16px; }
.points b { display: block; margin-bottom: 4px; }
.points span { color: var(--muted); font-size: 15px; }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 500; font-size: 13px; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.tablebox { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: 12px; }
.tablebox table tr:last-child td { border-bottom: 0; }
code, pre { font: 13.5px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
code { background: var(--code-bg); padding: 1px 5px; border-radius: 4px; }
pre { background: var(--code-bg); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px;
  overflow-x: auto; margin: 0; white-space: pre; }
.tabs { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 10px; }
.tabs button { background: transparent; border: 1px solid var(--line); color: var(--muted); border-radius: 8px;
  padding: 6px 12px; font: inherit; font-size: 14px; cursor: pointer; }
.tabs button.on { background: var(--card); color: var(--text); border-color: var(--accent); }
.codebox { position: relative; }
.copy { position: absolute; top: 8px; right: 8px; background: var(--card); border: 1px solid var(--line);
  color: var(--muted); border-radius: 6px; padding: 4px 8px; font-size: 12px; cursor: pointer; }
.muted { color: var(--muted); }
.small { font-size: 14px; }
.keyform { display: flex; gap: 8px; flex-wrap: wrap; }
.keyform input { flex: 1 1 320px; min-width: 0; background: var(--card); color: var(--text);
  border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; font: 14px ui-monospace, Menlo, monospace; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 20px; }
.stats .v { font-size: 26px; font-weight: 700; font-variant-numeric: tabular-nums; }
.meter { height: 8px; background: var(--code-bg); border-radius: 4px; overflow: hidden; margin-top: 10px; }
.meter i { display: block; height: 100%; background: var(--accent); }
.chart svg { width: 100%; height: auto; display: block; }
.chart rect { fill: var(--bar); }
.chart text { fill: var(--muted); font-size: 11px; }
.err { color: var(--bad); margin-top: 10px; }
.rules li { margin-bottom: 8px; }
footer { border-top: 1px solid var(--line); padding: 20px 0 32px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; gap: 18px; flex-wrap: wrap; }
[hidden] { display: none !important; }
@media (max-width: 760px) {
  h1 { font-size: 27px; }
  .hero, .points, .stats { grid-template-columns: 1fr; }
  nav { gap: 12px; font-size: 14px; }
  header .wrap { gap: 10px; }
  .hide-m { display: none; }
}
td code { white-space: nowrap; }
.points { margin-top: 20px; }
/* активация кода */
.activate { margin: 0 0 30px; border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.act-title { display: flex; gap: 12px; align-items: center; margin-bottom: 14px; }
.act-title svg { width: 30px; height: 30px; flex: none; color: var(--accent); }
.act-title b { font-size: 18px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.keyform input { font-size: 16px; padding: 12px 14px; }
.keyform input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.activate .keyform input { letter-spacing: 0.06em; }
.btn:disabled { opacity: 0.6; cursor: wait; }
.btn.small { padding: 6px 12px; font-size: 14px; }
.check { display: flex; align-items: center; gap: 8px; margin-top: 10px; color: var(--muted); cursor: pointer; }
.check input { width: 16px; height: 16px; accent-color: var(--accent); }
.done { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); }
.okline { font-weight: 600; color: var(--good); margin-bottom: 10px; }
.keybox { display: flex; gap: 8px; align-items: center; background: var(--code-bg); border: 1px solid var(--line);
  border-radius: 10px; padding: 10px 10px 10px 14px; margin-bottom: 10px; }
.keybox code { background: none; padding: 0; flex: 1; min-width: 0; overflow-wrap: anywhere; font-size: 14px; }
#login { margin-bottom: 8px; }
/* кабинет */
.keyhead { display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap; padding: 16px 20px; }
.keyhead .btns { margin: 0; }
.keyhead code { background: none; padding: 0; font-size: 15px; overflow-wrap: anywhere; }
.stats { grid-template-columns: repeat(4, 1fr); }
.stats .v { font-size: 24px; margin: 2px 0; }
.meter i.low { background: var(--bad); }
.chart { margin-top: 14px; }
.chart line { stroke: var(--line); }
.cardhead { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 10px; }
.cardhead .seg { margin-left: auto; }
.h2row { margin: 44px 0 6px; }
.h2row h2 { margin: 0; }
.h2row .btn { margin-left: auto; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.seg button { background: transparent; border: 0; color: var(--muted); padding: 5px 12px; font: inherit; font-size: 13px; cursor: pointer; }
.seg button.on { background: var(--accent); color: var(--accent-ink); }
.sharecell { display: flex; align-items: center; gap: 8px; min-width: 140px; }
.show-m { display: none; }
.more { display: block; margin: 12px auto 0; }
.share { flex: 1; height: 6px; background: var(--code-bg); border-radius: 3px; overflow: hidden; }
.share i { display: block; height: 100%; background: var(--bar); }
.pill { display: inline-block; font-size: 12px; font-weight: 600; padding: 1px 8px; border-radius: 999px; white-space: nowrap; }
.pill.ok { color: var(--good); background: color-mix(in srgb, var(--good) 14%, transparent); }
.pill.bad { color: var(--bad); background: color-mix(in srgb, var(--bad) 14%, transparent); }
.nowrap { white-space: nowrap; }
@media (max-width: 760px) {
  .stats { grid-template-columns: 1fr 1fr; }
  .stats .v { font-size: 20px; }
  .activate { margin-bottom: 22px; }
  .act-title b { font-size: 17px; }
  .keyform .btn { flex: 1 1 100%; }
  .show-m { display: inline; }
  .chart text { font-size: 20px; }
  table { font-size: 14px; }
  .log td.nowrap { white-space: normal; width: 64px; }
  .log td code { white-space: normal; overflow-wrap: anywhere; }
  th, td { padding: 8px 8px; }
}