@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@400;450;500;600&display=swap');

:root {
  --ink: #0F1520;
  --muted: #5A6472;
  --faint: #8B95A5;
  --line: #E1E6EE;
  --hair: #F0F2F6;
  --paper: #F3F5F9;
  --card: #FFFFFF;
  --indigo: #2B3A8F;
  --danger: #B3261E;
  --amber: #A96A00;
  --safe: #0E7A5F;
  --sans: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --rail: 212px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body { background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 14px; }
a { color: var(--indigo); }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--indigo); outline-offset: 2px; }

/* ─────────── вход ─────────── */
.login { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login form { width: min(360px, 100%); background: var(--card); border-top: 3px solid var(--indigo); padding: 30px 30px 26px; }
.login h1 { font-size: 20px; font-weight: 600; letter-spacing: -.01em; }
.login .sub { color: var(--muted); font-size: 13px; margin: 8px 0 22px; line-height: 1.5; }

/* ─────────── каркас ─────────── */
.shell { display: grid; grid-template-columns: var(--rail) 1fr; min-height: 100vh; }
.rail { background: var(--ink); color: #fff; padding: 22px 0; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.brand { padding: 0 20px 22px; display: flex; align-items: baseline; gap: 8px; }
.brand b { font-size: 16px; font-weight: 600; letter-spacing: -.01em; }
.brand span { font: 500 10px/1 var(--mono); color: #7D889B; letter-spacing: .12em; }
.rail nav { display: flex; flex-direction: column; }
.rail a {
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  padding: 10px 20px; color: #A8B2C4; text-decoration: none;
  font: 500 12px/1 var(--mono); letter-spacing: .04em; border-left: 3px solid transparent;
}
.rail a:hover { color: #fff; background: rgba(255,255,255,.05); }
.rail a.on { color: #fff; border-left-color: var(--indigo); background: rgba(43,58,143,.24); }
.rail a em { font-style: normal; font-size: 11px; color: #7D889B; }
.rail a.on em { color: #C6CEDD; }
.rail .foot { margin-top: 26px; padding: 18px 20px 0; border-top: 1px solid rgba(255,255,255,.1); }
.rail .foot p { font: 400 11px/1.6 var(--mono); color: #7D889B; word-break: break-all; }
.rail .foot button { margin-top: 12px; background: none; border: 1px solid rgba(255,255,255,.2); color: #A8B2C4; padding: 7px 12px; border-radius: 3px; cursor: pointer; font-size: 12px; }
.rail .foot button:hover { color: #fff; border-color: rgba(255,255,255,.45); }

main { padding: 26px 30px 60px; max-width: 1240px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-bottom: 20px; }
h1.title { font-size: 24px; font-weight: 600; letter-spacing: -.02em; }
.page-head p { color: var(--muted); font-size: 13px; margin-top: 6px; max-width: 60ch; line-height: 1.5; }

/* ─────────── подпись раздела ─────────── */
.eyebrow { font: 600 10px/1 var(--mono); letter-spacing: .18em; text-transform: uppercase; color: var(--faint); }

/* ─────────── карточки метрик ─────────── */
.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-bottom: 22px; }
.metric { background: var(--card); padding: 16px 18px; }
.metric b { display: block; font: 600 26px/1 var(--mono); letter-spacing: -.02em; margin-bottom: 7px; }
.metric span { font: 500 10px/1.3 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--faint); }
.metric.alert b { color: var(--danger); }

/* ─────────── лента блокировок за сутки ─────────── */
.ribbon { background: var(--card); border: 1px solid var(--line); padding: 18px 20px 14px; margin-bottom: 22px; }
.ribbon-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 14px; }
.ribbon-head b { font: 600 12px/1 var(--mono); }
.bars { display: flex; align-items: flex-end; gap: 3px; height: 64px; }
.bars i { flex: 1; background: var(--indigo); min-height: 2px; border-radius: 1px 1px 0 0; display: block; opacity: .85; }
.bars i.zero { background: var(--line); }
.axis { display: flex; justify-content: space-between; margin-top: 7px; font: 400 10px/1 var(--mono); color: var(--faint); }

/* ─────────── таблицы ─────────── */
.panel { background: var(--card); border: 1px solid var(--line); }
.panel + .panel { margin-top: 22px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; gap: 14px; padding: 14px 18px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.panel-head b { font: 600 12px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font: 500 10px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--faint); padding: 11px 14px; border-bottom: 1px solid var(--line); white-space: nowrap; }
td { padding: 11px 14px; border-bottom: 1px solid var(--hair); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #FAFBFD; }
td.host { font: 400 13px/1.4 var(--mono); word-break: break-all; }
td.mono, .mono { font: 400 12px/1.4 var(--mono); color: var(--muted); }
td.num { font: 500 13px/1 var(--mono); text-align: right; }
td.rule { width: 3px; padding: 0; }
td.rule i { display: block; width: 3px; height: 100%; min-height: 38px; background: var(--tone, var(--line)); }
.empty { padding: 40px 20px; text-align: center; color: var(--muted); font-size: 13px; }
.empty b { display: block; color: var(--ink); font-size: 15px; font-weight: 560; margin-bottom: 6px; }

/* ─────────── теги ─────────── */
.tag { display: inline-block; font: 500 10px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; padding: 4px 7px; border: 1px solid var(--line); border-radius: 2px; color: var(--muted); white-space: nowrap; }
.tag.manual { border-color: #C3CBFB; color: var(--indigo); background: #F3F5FF; }
.tag.block { border-color: #F0C9C6; color: var(--danger); background: #FDF4F3; }
.tag.warn { border-color: #EFDCBA; color: var(--amber); background: #FDF8EF; }
.tag.allow { border-color: #BFE3D6; color: var(--safe); background: #F1FAF6; }

/* ─────────── формы и кнопки ─────────── */
input[type=text], input[type=password], input[type=search], textarea, select {
  width: 100%; padding: 9px 11px; border: 1px solid var(--line); border-radius: 3px; background: #fff;
  font-family: var(--mono); font-size: 13px;
}
textarea { min-height: 96px; resize: vertical; line-height: 1.55; }
label { display: block; font: 500 10px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--faint); margin-bottom: 7px; }
.field + .field { margin-top: 14px; }
.btn { padding: 9px 16px; border-radius: 3px; border: 1px solid var(--line); background: #fff; color: var(--muted); cursor: pointer; font-size: 13px; font-weight: 500; white-space: nowrap; }
.btn:hover { color: var(--ink); border-color: #9AA4B4; }
.btn.primary { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn.primary:hover { background: #232B39; }
.btn.danger { color: var(--danger); border-color: #F0C9C6; }
.btn.danger:hover { background: #FDF4F3; border-color: var(--danger); }
.btn.small { padding: 5px 10px; font-size: 12px; }
.btn:disabled { opacity: .5; cursor: default; }
.row-actions { display: flex; gap: 6px; justify-content: flex-end; }
.controls { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.controls input[type=search] { width: 240px; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 3px; overflow: hidden; }
.seg button { background: #fff; border: 0; padding: 8px 14px; cursor: pointer; font: 500 12px/1 var(--mono); color: var(--muted); border-right: 1px solid var(--line); }
.seg button:last-child { border-right: 0; }
.seg button.on { background: var(--ink); color: #fff; }

.add { padding: 18px; border-bottom: 1px solid var(--line); background: #FBFCFE; }
.add .grid { display: grid; grid-template-columns: 1fr 260px; gap: 16px; align-items: start; }
.hint { font-size: 12px; color: var(--muted); line-height: 1.5; margin-top: 8px; }
.toast { position: fixed; right: 22px; bottom: 22px; background: var(--ink); color: #fff; padding: 12px 18px; border-radius: 3px; font-size: 13px; box-shadow: 0 12px 32px rgba(15,21,32,.28); }
.toast.err { background: var(--danger); }

@media (max-width: 880px) {
  .shell { grid-template-columns: 1fr; }
  .rail { position: static; height: auto; }
  .rail nav { flex-direction: row; overflow-x: auto; }
  .rail a { border-left: 0; border-bottom: 3px solid transparent; white-space: nowrap; }
  .rail a.on { border-left: 0; border-bottom-color: var(--indigo); }
  .rail .foot { display: none; }
  main { padding: 20px 16px 50px; }
  .add .grid { grid-template-columns: 1fr; }
}

/* селектор режима в таблице блокировок */
.mode-sel {
  font: 500 12px/1 var(--mono); padding: 5px 8px; border-radius: 4px;
  border: 1px solid var(--line); background: #fff; color: var(--ink); cursor: pointer;
}
.mode-sel:hover { border-color: #9AA4B4; }
.mode-card { transition: border-color .15s, background .15s; }
.mode-card:hover { border-color: #9AA4B4 !important; }