:root {
  --brand-900: #062a5f; --brand-700: #144696; --brand-200: #99c2ff;
  --bg: #f4f6fa; --surface: #ffffff; --surface-2: #eef1f6;
  --border: #dde2ea; --border-strong: #c5ccd8;
  --text: #232832; --text-2: #414b5f; --text-muted: #5b6477;
  --accent: #144696; --accent-hover: #062a5f; --accent-bg: rgba(20,70,150,.08);
  --success: #2f7d32; --success-bg: #eef7ee;
  --warning: #9a5b00; --warning-bg: #fff6e5;
  --danger: #c62828; --danger-bg: #fdeeee;
  --radius-s: 6px; --radius-m: 10px;
  --shadow: 0 1px 2px rgba(6,42,95,.05), 0 4px 14px rgba(6,42,95,.07);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117; --surface: #161b24; --surface-2: #1d2430;
    --border: #2a3342; --border-strong: #3a4557;
    --text: #e8ecf3; --text-2: #b8c1d1; --text-muted: #8f9aad;
    --accent: #8fb6ff; --accent-hover: #b3cdff; --accent-bg: rgba(143,182,255,.12);
    --success: #7bd67f; --success-bg: rgba(123,214,127,.1);
    --warning: #f5c26b; --warning-bg: rgba(245,194,107,.1);
    --danger: #ff8a80; --danger-bg: rgba(255,138,128,.1);
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 4px 14px rgba(0,0,0,.3);
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg); color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
a:hover { color: var(--accent-hover); }
h1, h2, h3 { color: var(--text); line-height: 1.25; margin: 0 0 .5em; }
h1 { font-size: 1.6rem; } h2 { font-size: 1.2rem; } h3 { font-size: 1.02rem; }
.muted { color: var(--text-muted); }
.small { font-size: .87rem; }

/* шапка */
.topbar { background: var(--brand-900); color: #fff; }
.topbar .in { max-width: 1180px; margin: 0 auto; padding: 0 16px; height: 56px; display: flex; align-items: center; gap: 18px; }
.brand { color: #fff; text-decoration: none; font-weight: 700; letter-spacing: .01em; display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.brand:hover { color: #fff; }
.brand .mark { width: 28px; height: 28px; border-radius: 7px; background: #fff; color: var(--brand-900); display: grid; place-items: center; font-weight: 800; font-size: .9rem; }
.topnav { display: flex; gap: 4px; margin-left: auto; align-items: center; flex-wrap: wrap; }
.topnav a, .topnav button {
  color: #dbe7ff; text-decoration: none; background: none; border: 0; font: inherit; cursor: pointer;
  padding: 6px 10px; border-radius: var(--radius-s);
}
.topnav a:hover, .topnav button:hover, .topnav a[aria-current="page"] { background: rgba(255,255,255,.12); color: #fff; }
.who { color: #b9c9e8; font-size: .87rem; margin-right: 6px; }

main { max-width: 1180px; margin: 0 auto; padding: 28px 16px 60px; }
.narrow { max-width: 560px; }

/* карточки и сетка сервисов */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-m); padding: 20px; box-shadow: var(--shadow); }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; margin-top: 18px; }
.tile { display: flex; flex-direction: column; gap: 8px; text-decoration: none; color: var(--text); border-top: 4px solid var(--brand-700); transition: transform .15s, box-shadow .15s; min-height: 150px; }
.tile:hover { transform: translateY(-2px); color: var(--text); }
.tile h2 { margin: 0; color: var(--accent); }
.tile .go { margin-top: auto; font-weight: 600; color: var(--accent); }

/* формы */
label { display: block; font-weight: 600; font-size: .9rem; margin: 12px 0 5px; color: var(--text-2); }
input[type=text], input[type=password], input[type=search], input[type=date], select {
  width: 100%; font: inherit; color: var(--text); background: var(--surface);
  border: 1px solid var(--border-strong); border-radius: var(--radius-s); padding: 9px 11px;
}
input:focus, select:focus, button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; font: inherit; font-weight: 600;
  border: 1px solid var(--accent); background: var(--accent); color: #fff; padding: 9px 16px; border-radius: var(--radius-s); cursor: pointer; text-decoration: none;
}
@media (prefers-color-scheme: dark) { .btn { color: #0d1117; } }
.btn:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.ghost:hover { background: var(--accent-bg); }
.btn.danger { background: transparent; color: var(--danger); border-color: var(--danger); }
.btn.small { padding: 5px 10px; font-size: .87rem; }
.btn[disabled] { opacity: .55; cursor: default; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.checks { display: flex; gap: 14px; flex-wrap: wrap; }
.checks label { display: flex; gap: 6px; align-items: center; font-weight: 400; margin: 0; color: var(--text); }

.msg { padding: 10px 12px; border-radius: var(--radius-s); margin: 12px 0; font-size: .93rem; }
.msg.err { background: var(--danger-bg); color: var(--danger); }
.msg.ok { background: var(--success-bg); color: var(--success); }
.msg.warn { background: var(--warning-bg); color: var(--warning); }
[hidden] { display: none !important; }

/* вход */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 16px; background: linear-gradient(160deg, var(--brand-900), var(--brand-700)); }
.login { width: 100%; max-width: 400px; }
.login .brand { color: var(--text); margin-bottom: 16px; }
.login .brand .mark { background: var(--brand-900); color: #fff; }
.login .btn { width: 100%; margin-top: 18px; }

/* таблицы */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--text-muted); font-weight: 600; font-size: .82rem; text-transform: uppercase; letter-spacing: .03em; }
tr.off td { opacity: .55; }
.chip { display: inline-block; padding: 1px 8px; border-radius: 99px; background: var(--surface-2); color: var(--text-2); font-size: .8rem; margin: 1px 2px 1px 0; white-space: nowrap; }
.chip.admin { background: var(--accent-bg); color: var(--accent); }
.chip.warn { background: var(--warning-bg); color: var(--warning); }
.chip.ok { background: var(--success-bg); color: var(--success); }

.svc-checks { display: grid; gap: 3px; }
.svc-checks label { display: flex; align-items: center; gap: 6px; margin: 0; font-weight: 400; font-size: .9rem; color: var(--text); white-space: nowrap; }
.svc-checks label.muted { color: var(--text-muted); }
.svc-checks input { accent-color: var(--accent); }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 18px; flex-wrap: wrap; }
.tabs button { font: inherit; background: none; border: 0; padding: 10px 14px; cursor: pointer; color: var(--text-muted); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs button[aria-selected="true"] { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }

dialog { border: 1px solid var(--border); border-radius: var(--radius-m); background: var(--surface); color: var(--text); padding: 22px; width: min(520px, calc(100vw - 32px)); box-shadow: var(--shadow); }
dialog::backdrop { background: rgba(6,20,45,.45); }
.qr { background: #fff; padding: 8px; border-radius: 8px; display: inline-block; }
.qr img { display: block; width: 190px; height: 190px; }
code.key { word-break: break-all; background: var(--surface-2); padding: 3px 6px; border-radius: 4px; }

@media (max-width: 640px) {
  .topbar .in { height: auto; padding: 10px 16px; flex-wrap: wrap; gap: 6px; }
  .topnav { margin-left: 0; }
  .who { display: none; }
  main { padding-top: 18px; }
}