:root {
  --bg: #0b0f17; --bg2: #111827; --card: #141b2a; --card2: #1a2335; --line: #243049; --text: #e6eaf2; --muted: #8b97ad;
  --accent: #7c5cff; --accent2: #22d3ee; --ok: #22c55e; --warn: #f59e0b; --bad: #ef4444; --off: #64748b;
  --radius: 14px; --shadow: 0 8px 30px rgba(0,0,0,.35);
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #f4f6fb; --bg2: #ffffff; --card: #ffffff; --card2: #f1f4fa; --line: #e3e8f1; --text: #111827; --muted: #64748b;
  --shadow: 0 8px 24px rgba(15,23,42,.08); color-scheme: light;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--text); font: 14px/1.5 var(--font); -webkit-font-smoothing: antialiased; }
a { color: var(--accent2); text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
.muted { color: var(--muted); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; }
.hidden { display: none !important; }

/* Layout */
.layout { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.sidebar { background: var(--bg2); border-right: 1px solid var(--line); padding: 18px 12px; position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; gap: 4px; }
.brand { display: flex; align-items: center; gap: 10px; padding: 4px 10px 18px; font-weight: 700; font-size: 17px; }
.brand .logo { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #fff; font-size: 18px; }
.nav a { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 10px; color: var(--muted); font-weight: 500; }
.nav a:hover { background: var(--card2); color: var(--text); }
.nav a.active { background: color-mix(in srgb, var(--accent) 16%, transparent); color: var(--text); }
.nav a .ico { width: 20px; text-align: center; }
.nav a .count { margin-left: auto; font-size: 11px; background: var(--card2); padding: 1px 7px; border-radius: 99px; }
.sidebar .spacer { flex: 1; }
.sidebar .foot { display: flex; gap: 6px; padding: 8px; }
.main { min-width: 0; }
.topbar { display: flex; align-items: center; gap: 12px; padding: 16px 28px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: blur(10px); z-index: 5; }
.topbar h1 { font-size: 20px; margin: 0; }
.topbar .grow { flex: 1; }
.search-btn { display: flex; align-items: center; gap: 8px; min-width: 260px; padding: 8px 12px; border-radius: 10px; background: var(--card); border: 1px solid var(--line); color: var(--muted); cursor: pointer; }
.search-btn kbd { margin-left: auto; }
kbd { font-family: inherit; font-size: 11px; border: 1px solid var(--line); border-bottom-width: 2px; padding: 0 5px; border-radius: 5px; color: var(--muted); }
.content { padding: 24px 28px 60px; max-width: 1500px; }
.demo-banner { background: linear-gradient(90deg, color-mix(in srgb, var(--warn) 20%, transparent), transparent); border: 1px solid color-mix(in srgb, var(--warn) 40%, transparent); padding: 8px 14px; border-radius: 10px; margin-bottom: 18px; font-size: 13px; }

/* Cards & grid */
.grid { display: grid; gap: 16px; }
.kpis { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.cols-2 { grid-template-columns: 2fr 1fr; }
.cols-even { grid-template-columns: 1fr 1fr; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; min-width: 0; }
.card h3 { margin: 0 0 14px; font-size: 15px; display: flex; align-items: center; gap: 8px; }
.card h3 .right { margin-left: auto; font-weight: 400; }
.kpi .label { color: var(--muted); font-size: 12.5px; display: flex; justify-content: space-between; }
.kpi .value { font-size: 28px; font-weight: 700; margin: 6px 0 2px; letter-spacing: -.02em; }
.kpi .sub { font-size: 12.5px; color: var(--muted); }
.kpi .ico { font-size: 18px; }

/* Buttons & inputs */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 10px; border: 1px solid var(--line); background: var(--card2); cursor: pointer; font-weight: 500; white-space: nowrap; }
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.1); }
.btn.danger { color: var(--bad); }
.btn.sm { padding: 5px 10px; font-size: 13px; border-radius: 8px; }
.btn.icon { padding: 6px 9px; }
.btn.ghost { background: transparent; border-color: transparent; }
.btn.ghost:hover { background: var(--card2); }
input.input, select.input, textarea.input { width: 100%; padding: 9px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg2); outline: none; }
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent); }
textarea.input { min-height: 80px; resize: vertical; }
label.field { display: flex; flex-direction: column; gap: 5px; font-size: 13px; color: var(--muted); }
label.field .hint { font-size: 11.5px; }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form .full { grid-column: 1 / -1; }
.check { display: flex; align-items: center; gap: 8px; cursor: pointer; color: var(--text); }
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 16px; }
.toolbar .grow { flex: 1; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { padding: 6px 12px; border-radius: 99px; border: 1px solid var(--line); background: var(--card); cursor: pointer; font-size: 13px; color: var(--muted); }
.chip.on { background: var(--text); color: var(--bg); border-color: var(--text); }
.chip .n { opacity: .6; margin-left: 4px; }

/* Badges / status */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 2px 9px; border-radius: 99px; font-size: 12px; font-weight: 600; }
.badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge.active, .badge.online { color: var(--ok); background: color-mix(in srgb, var(--ok) 14%, transparent); }
.badge.expired, .badge.offline { color: var(--bad); background: color-mix(in srgb, var(--bad) 14%, transparent); }
.badge.limited { color: var(--warn); background: color-mix(in srgb, var(--warn) 14%, transparent); }
.badge.disabled, .badge.unknown { color: var(--off); background: color-mix(in srgb, var(--off) 18%, transparent); }
.tag { display: inline-block; font-size: 11px; padding: 0 7px; border-radius: 6px; background: var(--card2); color: var(--muted); margin-left: 4px; border: 1px solid var(--line); }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; background: var(--off); }
.dot.on { background: var(--ok); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 25%, transparent); }

/* Tables */
.table-wrap { overflow-x: auto; }
table.t { width: 100%; border-collapse: collapse; }
.t th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; padding: 10px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; cursor: default; }
.t th.sort { cursor: pointer; }
.t th.sort:hover { color: var(--text); }
.t td { padding: 11px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.t tbody tr { cursor: pointer; }
.t tbody tr:hover { background: var(--card2); }
.t tr.sel { background: color-mix(in srgb, var(--accent) 10%, transparent); }
.uname { font-weight: 600; }
.progress { height: 6px; border-radius: 99px; background: var(--card2); overflow: hidden; min-width: 90px; }
.progress i { display: block; height: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--accent), var(--accent2)); }
.progress.warn i { background: var(--warn); }
.progress.bad i { background: var(--bad); }
.pager { display: flex; gap: 8px; align-items: center; justify-content: flex-end; margin-top: 14px; }
.empty { text-align: center; padding: 50px 20px; color: var(--muted); }
.empty .big { font-size: 38px; }

/* Bulk bar */
.bulkbar { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 14px; padding: 10px 14px; display: flex; gap: 8px; align-items: center; z-index: 20; }

/* Node cards */
.nodes-grid { grid-template-columns: repeat(auto-fill, minmax(310px, 1fr)); }
.node-card .head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.node-card .flag { font-size: 28px; }
.node-card .title { font-weight: 700; font-size: 16px; }
.node-card .stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 12px 0; }
.node-card .stat { background: var(--card2); border-radius: 10px; padding: 8px 10px; }
.node-card .stat b { display: block; font-size: 16px; }
.node-card .stat small { color: var(--muted); font-size: 11.5px; }
.node-card .actions { display: flex; gap: 6px; flex-wrap: wrap; }
.node-card .sys { display: flex; flex-wrap: wrap; gap: 6px 12px; font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.pill { font-size: 11px; padding: 2px 8px; border-radius: 6px; background: var(--card2); color: var(--muted); }

/* Lists */
.list { display: flex; flex-direction: column; }
.list .row { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-bottom: 1px dashed var(--line); }
.list .row:last-child { border-bottom: 0; }
.list .row .r { margin-left: auto; }

/* Chart */
.chart svg { width: 100%; height: 220px; display: block; }
.chart .bar-rx { fill: var(--accent); }
.chart .bar-tx { fill: var(--accent2); }
.chart text { fill: var(--muted); font-size: 10px; }
.legend { display: flex; gap: 14px; font-size: 12px; color: var(--muted); }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }
.donut { display: flex; align-items: center; gap: 18px; }
.donut svg { width: 130px; height: 130px; flex: none; }

/* Modal & drawer */
.overlay { position: fixed; inset: 0; background: rgba(2,6,23,.55); backdrop-filter: blur(3px); z-index: 50; display: flex; align-items: flex-start; justify-content: center; padding: 8vh 16px; animation: fade .15s; }
.modal { background: var(--bg2); border: 1px solid var(--line); border-radius: 18px; width: min(640px, 100%); box-shadow: var(--shadow); max-height: 84vh; display: flex; flex-direction: column; animation: pop .18s; }
.modal.wide { width: min(900px, 100%); }
.modal header { padding: 18px 22px 0; display: flex; align-items: center; }
.modal header h2 { margin: 0; font-size: 18px; flex: 1; }
.modal .body { padding: 18px 22px; overflow: auto; }
.modal footer { padding: 14px 22px; border-top: 1px solid var(--line); display: flex; justify-content: flex-end; gap: 8px; }
.drawer-overlay { justify-content: flex-end; padding: 0; align-items: stretch; }
.drawer { background: var(--bg2); border-left: 1px solid var(--line); width: min(760px, 100%); height: 100%; overflow: auto; animation: slide .2s; }
.drawer header { position: sticky; top: 0; background: var(--bg2); padding: 18px 24px; border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 10px; z-index: 2; }
.drawer header h2 { margin: 0; font-size: 20px; }
.drawer .body { padding: 20px 24px; display: flex; flex-direction: column; gap: 16px; }
.sub-box { display: flex; gap: 18px; align-items: center; }
.sub-box img { width: 150px; height: 150px; border-radius: 12px; background: #fff; padding: 6px; flex: none; }
.copyline { display: flex; gap: 6px; }
.copyline input { flex: 1; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 14px; }
.tabs button { background: none; border: 0; padding: 8px 14px; color: var(--muted); cursor: pointer; border-bottom: 2px solid transparent; }
.tabs button.on { color: var(--text); border-color: var(--accent); }
pre.code { background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 12px; overflow: auto; max-height: 340px; font-size: 12px; margin: 0; }

/* Palette */
.palette { width: min(620px, 100%); background: var(--bg2); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); overflow: hidden; animation: pop .15s; }
.palette input { width: 100%; border: 0; border-bottom: 1px solid var(--line); background: transparent; padding: 16px 18px; font-size: 16px; outline: none; }
.palette .items { max-height: 50vh; overflow: auto; padding: 6px; }
.palette .item { display: flex; gap: 10px; align-items: center; padding: 10px 12px; border-radius: 10px; cursor: pointer; }
.palette .item.on { background: color-mix(in srgb, var(--accent) 18%, transparent); }
.palette .item small { margin-left: auto; color: var(--muted); }

/* Toast */
.toasts { position: fixed; top: 18px; right: 18px; z-index: 100; display: flex; flex-direction: column; gap: 8px; }
.toast { background: var(--card); border: 1px solid var(--line); border-left: 3px solid var(--ok); padding: 10px 14px; border-radius: 10px; box-shadow: var(--shadow); animation: pop .2s; max-width: 360px; }
.toast.err { border-left-color: var(--bad); }

/* Login */
.login { min-height: 100vh; display: grid; place-items: center; background: radial-gradient(1000px 500px at 20% 10%, color-mix(in srgb, var(--accent) 25%, transparent), transparent), radial-gradient(800px 400px at 90% 90%, color-mix(in srgb, var(--accent2) 18%, transparent), transparent), var(--bg); padding: 16px; }
.login .card { width: min(380px, 100%); padding: 30px; display: flex; flex-direction: column; gap: 14px; box-shadow: var(--shadow); }
.login h1 { margin: 0; font-size: 22px; display: flex; align-items: center; gap: 10px; }

@keyframes fade { from { opacity: 0; } }
@keyframes pop { from { opacity: 0; transform: scale(.97) translateY(6px); } }
@keyframes slide { from { transform: translateX(40px); opacity: 0; } }

/* Mobile */
.menu-btn { display: none; }
@media (max-width: 960px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: fixed; left: 0; top: 0; z-index: 40; width: 250px; transform: translateX(-100%); transition: transform .2s; }
  .sidebar.open { transform: none; box-shadow: var(--shadow); }
  .menu-btn { display: inline-flex; }
  .cols-2, .cols-even, .form { grid-template-columns: 1fr; }
  .search-btn { min-width: 0; }
  .search-btn span, .search-btn kbd { display: none; }
  .content, .topbar { padding-left: 16px; padding-right: 16px; }
  .sub-box { flex-direction: column; align-items: stretch; }
  .hide-m { display: none; }
  /* Таблица пользователей на телефоне: каждая строка — карточка, без горизонтальной прокрутки */
  .t thead { display: none; }
  .t, .t tbody, .t tr, .t td { display: block; width: 100%; }
  .t tr { border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; margin-bottom: 10px; position: relative; }
  .t td { border: 0; padding: 3px 0; }
  .t td:first-child { position: absolute; right: 8px; top: 10px; width: auto; padding: 0; }
  .t td:last-child { position: absolute; right: 8px; bottom: 10px; width: auto; padding: 0; }
  .t td[data-l]::before { content: attr(data-l) ': '; color: var(--muted); font-size: 12px; }
  .t td.hide-m, .hide-m { display: none !important; }
  .bulkbar { flex-wrap: wrap; justify-content: center; left: 10px; right: 10px; transform: none; }
}