:root {
  --bg: #0b1d26;
  --surface: #12303d;
  --surface-2: #0f2731;
  --line: #1d4454;
  --text: #e6f0f3;
  --muted: #8fa9b3;
  --accent: #2fb8a6;
  --accent-2: #1c8f80;
  --danger: #e2564d;
  --warn: #e0a33e;
  --ok: #4bbf73;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: radial-gradient(1200px 700px at 85% -15%, #133544, var(--bg)) fixed;
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

body.center {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1 { font-size: 1.5rem; margin: 0 0 4px; }
h2 { font-size: 1.05rem; margin: 0; }
h3 { font-size: .95rem; margin: 0 0 4px; }

.cat { padding-top: 16px; margin-top: 16px; border-top: 1px solid rgba(29, 68, 84, .6); }
.cat:first-of-type { border-top: none; margin-top: 8px; }
.rule-switch { margin: 12px 0 4px; }
.mono-id { font-family: ui-monospace, "Cascadia Code", monospace; font-size: .75rem; margin-top: 2px; }

.muted { color: var(--muted); font-size: .9rem; margin: 4px 0 0; }
.hint { color: var(--muted); font-size: .82rem; margin: 6px 0 10px; }
.hint code, code {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1px 6px;
  font-family: ui-monospace, "Cascadia Code", monospace;
  font-size: .82em;
}

/* ── Каркас с сайдбаром ─────────────────────────────────────────────── */
.app {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: rgba(9, 24, 31, .7);
  border-right: 1px solid var(--line);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  padding: 0 8px 16px;
}
.brand-lg { font-size: 1.3rem; padding: 0 0 8px; }
.brand-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(47, 184, 166, .18);
}

.nav { display: flex; flex-direction: column; gap: 4px; }
.nav-link {
  color: var(--muted);
  padding: 10px 12px;
  border-radius: 10px;
  font-weight: 500;
}
.nav-link:hover { color: var(--text); background: var(--surface-2); text-decoration: none; }
.nav-link.is-active { color: var(--text); background: var(--surface); border: 1px solid var(--line); }

.logout { margin-top: auto; }

.content {
  padding: 32px 32px 64px;
  max-width: 960px;
  width: 100%;
}

.page-head { margin-bottom: 24px; }

/* ── Карточки и сетки ───────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
  margin-bottom: 18px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .22);
}
.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.cards-4, .cards-3 {
  display: grid;
  gap: 14px;
  margin-bottom: 18px;
}
.cards-4 { grid-template-columns: repeat(4, 1fr); }
.cards-3 { grid-template-columns: repeat(3, 1fr); }

.stat {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 18px;
}
.stat-label { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }
.stat-value { font-size: 2rem; font-weight: 700; margin-top: 6px; }
.stat-value-sm { font-size: 1.05rem; font-weight: 600; word-break: break-word; }
.stat-badge { margin-top: 10px; }
.stat-sub { color: var(--muted); font-size: .8rem; margin-top: 6px; }

/* ── Бейджи ─────────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 600;
  border: 1px solid transparent;
}
.badge-ok { color: var(--ok); background: rgba(75, 191, 115, .12); border-color: rgba(75, 191, 115, .35); }
.badge-warn { color: var(--warn); background: rgba(224, 163, 62, .12); border-color: rgba(224, 163, 62, .35); }
.badge-danger { color: var(--danger); background: rgba(226, 86, 77, .12); border-color: rgba(226, 86, 77, .35); }
.badge-muted { color: var(--muted); background: var(--surface-2); border-color: var(--line); }

.count {
  display: inline-block;
  min-width: 22px;
  text-align: center;
  padding: 0 7px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: .8rem;
  font-weight: 600;
}

/* ── Таблица ────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.table th {
  text-align: left;
  color: var(--muted);
  font-weight: 600;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.table td { padding: 10px; border-bottom: 1px solid rgba(29, 68, 84, .5); vertical-align: top; }
.table tr:last-child td { border-bottom: none; }
.nowrap { white-space: nowrap; }
.snippet { color: var(--muted); max-width: 320px; }
.empty { padding: 12px 0; }

/* ── Формы ──────────────────────────────────────────────────────────── */
.field { display: block; font-size: .9rem; margin-bottom: 0; }
.field > input, .field > textarea { margin-top: 6px; }

input[type="text"],
input[type="password"],
textarea {
  width: 100%;
  padding: 11px 12px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  font: inherit;
}
textarea { resize: vertical; }
textarea.mono { font-family: ui-monospace, "Cascadia Code", monospace; line-height: 1.55; }

input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(47, 184, 166, .2);
}

.actions { margin-top: 16px; }

/* ── Кнопки ─────────────────────────────────────────────────────────── */
.btn {
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  padding: 11px 20px;
  border-radius: 10px;
  border: 1px solid transparent;
}
.btn-primary { background: var(--accent); border-color: var(--accent-2); color: #04231f; }
.btn-primary:hover { background: var(--accent-2); color: var(--text); }
.btn-ghost { background: transparent; color: var(--muted); border-color: var(--line); width: 100%; }
.btn-ghost:hover { color: var(--text); background: var(--surface-2); }
.btn-block { width: 100%; padding: 13px; }

/* ── Переключатель ──────────────────────────────────────────────────── */
.switch { display: flex; align-items: center; gap: 12px; cursor: pointer; }
.switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.switch-track {
  position: relative;
  width: 44px;
  height: 24px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: background .15s;
  flex: none;
}
.switch-track::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--muted);
  transition: transform .15s, background .15s;
}
.switch input:checked + .switch-track { background: rgba(47, 184, 166, .3); border-color: var(--accent); }
.switch input:checked + .switch-track::after { transform: translateX(20px); background: var(--accent); }
.switch input:focus + .switch-track { box-shadow: 0 0 0 3px rgba(47, 184, 166, .2); }
.switch-label { font-weight: 600; }
.toggle-card .muted { margin-top: 12px; }

/* ── Алерты ─────────────────────────────────────────────────────────── */
.alert { padding: 12px 14px; border-radius: 10px; margin-bottom: 16px; border: 1px solid transparent; }
.alert-ok { color: var(--ok); background: rgba(75, 191, 115, .1); border-color: rgba(75, 191, 115, .3); }
.alert-warn { color: var(--warn); background: rgba(224, 163, 62, .1); border-color: rgba(224, 163, 62, .3); }
.alert-danger { color: var(--danger); background: rgba(226, 86, 77, .1); border-color: rgba(226, 86, 77, .3); }
.verdict { font-size: 1.05rem; }
.verdict-reason { color: var(--text); font-size: .9rem; margin-top: 4px; opacity: .85; }

/* ── Вход ───────────────────────────────────────────────────────────── */
.auth { width: 100%; max-width: 400px; }
.auth-card { margin: 0; }
.auth-card .field { margin-bottom: 14px; }

/* ── Адаптив ────────────────────────────────────────────────────────── */
@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; }
  .sidebar {
    position: static;
    height: auto;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    padding: 12px 16px;
  }
  .brand { padding: 0 8px 0 0; }
  .nav { flex-direction: row; flex-wrap: wrap; }
  .logout { margin: 0 0 0 auto; }
  .logout .btn-ghost { width: auto; }
  .content { padding: 20px 16px 48px; }
  .cards-4, .cards-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .cards-4, .cards-3 { grid-template-columns: 1fr; }
}