:root {
  --bg: #0f1419; --panel: #161d26; --panel2: #1c2531; --line: #2a3644; --text: #dbe4ee;
  --muted: #8a9aac; --accent: #3d8bfd; --accent2: #2f6fd0; --ok: #2fbf71; --warn: #f0a92e;
  --bad: #ef5b5b; --idle: #6b7a8c; --radius: 8px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--text); font: 14px/1.45 var(--font); }
a { color: var(--accent); text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3 { margin: 0 0 12px; font-weight: 600; }
h2 { font-size: 18px; } h3 { font-size: 15px; }
.mono { font-family: var(--mono); font-size: 12.5px; }
.muted { color: var(--muted); }
.hidden { display: none !important; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 14px; }
.grid2 .full { grid-column: 1 / -1; }

/* кнопки и поля */
.btn { background: var(--panel2); border: 1px solid var(--line); border-radius: 6px; padding: 6px 12px; cursor: pointer; white-space: nowrap; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent2); }
.btn.danger { color: var(--bad); }
.btn.danger:hover { border-color: var(--bad); }
.btn.sm { padding: 3px 8px; font-size: 12.5px; }
.btn:disabled { opacity: .5; cursor: default; }
label.f { display: flex; flex-direction: column; gap: 4px; font-size: 12.5px; color: var(--muted); }
input[type=text], input[type=password], input[type=number], select, textarea {
  background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 7px 9px; width: 100%; color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }
.check { display: flex; gap: 6px; align-items: center; font-size: 13px; }

/* оболочка */
.app { display: grid; grid-template-columns: 210px 1fr; height: 100vh; }
.side { background: var(--panel); border-right: 1px solid var(--line); display: flex; flex-direction: column; }
.brand { padding: 16px; font-weight: 700; font-size: 17px; letter-spacing: .3px; display: flex; gap: 8px; align-items: center; }
.brand .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.nav a { display: block; padding: 9px 16px; color: var(--muted); border-left: 3px solid transparent; }
.nav a:hover { color: var(--text); background: var(--panel2); }
.nav a.active { color: var(--text); border-left-color: var(--accent); background: var(--panel2); }
.who { margin-top: auto; padding: 14px 16px; border-top: 1px solid var(--line); font-size: 12.5px; }
.main { overflow: auto; padding: 20px 24px; position: relative; }
.main.full { padding: 0; overflow: hidden; }
.toolbar { display: flex; gap: 8px; align-items: center; margin-bottom: 14px; flex-wrap: wrap; }
.toolbar h2 { margin: 0 12px 0 0; }

/* карточки и таблицы */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin-bottom: 16px; }
table.t { width: 100%; border-collapse: collapse; }
.t th, .t td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.t th { color: var(--muted); font-weight: 500; font-size: 12.5px; position: sticky; top: 0; background: var(--panel); }
.t tr.click { cursor: pointer; }
.t tr.click:hover td { background: var(--panel2); }
.t td.num { text-align: right; font-variant-numeric: tabular-nums; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: 12px; border: 1px solid var(--line); }
.badge.ok { color: var(--ok); border-color: rgba(47,191,113,.4); }
.badge.error, .badge.down { color: var(--bad); border-color: rgba(239,91,91,.4); }
.badge.never, .badge.unknown { color: var(--muted); }
.bar { height: 6px; background: var(--panel2); border-radius: 3px; overflow: hidden; min-width: 60px; }
.bar > i { display: block; height: 100%; background: var(--ok); }
.bar > i.warn { background: var(--warn); } .bar > i.bad { background: var(--bad); }
.kv { display: grid; grid-template-columns: 150px 1fr; gap: 6px 12px; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; word-break: break-word; }

/* модалка и тосты */
.modal-bg { position: fixed; inset: 0; background: rgba(0,0,0,.55); display: flex; align-items: center; justify-content: center; z-index: 50; }
.modal { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 20px; width: min(560px, 94vw); max-height: 90vh; overflow: auto; }
.modal .actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; }
.toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 60; }
.toast { background: var(--panel2); border: 1px solid var(--line); border-left: 4px solid var(--accent); padding: 10px 14px; border-radius: 6px; max-width: 420px; }
.toast.err { border-left-color: var(--bad); } .toast.ok { border-left-color: var(--ok); }
.banner { background: rgba(240,169,46,.12); border: 1px solid rgba(240,169,46,.4); padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; }

/* шкафы */
.racks { display: flex; gap: 24px; align-items: flex-start; overflow-x: auto; padding-bottom: 10px; }
.rack-wrap { flex: none; }
.rack-head { display: flex; gap: 6px; align-items: center; margin-bottom: 6px; }
.rack-head b { font-size: 14px; }
svg.rack { display: block; user-select: none; }
.rack-frame { fill: #10161d; stroke: #3a4757; stroke-width: 2; }
.rack-slot { fill: #141b23; stroke: #1f2a36; }
.rack-slot.drop { fill: #1d3354; }
.rack-u { fill: var(--muted); font: 10px var(--mono); }
.rack-dev rect { stroke: rgba(255,255,255,.25); cursor: grab; }
.rack-dev text { fill: #fff; font-size: 12px; pointer-events: none; }
.rack-dev text.sub { fill: rgba(255,255,255,.7); font-size: 10.5px; }
.rack-dev.dragging rect { opacity: .7; cursor: grabbing; }
.k-switch { fill: #2f6fd0; } .k-router { fill: #7a4fd0; } .k-firewall { fill: #c2463f; }
.k-server { fill: #3a8a5c; } .k-patch { fill: #59636f; } .k-other { fill: #8a6d2f; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12.5px; color: var(--muted); }
.legend i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; vertical-align: -2px; margin-right: 5px; }
.lg-switch { background: #2f6fd0; } .lg-router { background: #7a4fd0; } .lg-firewall { background: #c2463f; }
.lg-server { background: #3a8a5c; } .lg-patch { background: #59636f; } .lg-other { background: #8a6d2f; }

/* карта */
.map-wrap { position: absolute; inset: 0; display: grid; grid-template-columns: 1fr 300px; }
.map-area { position: relative; overflow: hidden; background:
  radial-gradient(circle, #1d2733 1px, transparent 1px) 0 0 / 24px 24px, var(--bg); }
.map-area svg { width: 100%; height: 100%; display: block; cursor: grab; }
.map-area svg.panning { cursor: grabbing; }
.map-tools { position: absolute; top: 12px; left: 12px; right: 12px; display: flex; gap: 8px; flex-wrap: wrap; align-items: center; pointer-events: none; }
.map-tools > * { pointer-events: auto; }
.map-tools .stamp { background: rgba(22,29,38,.85); padding: 4px 10px; border-radius: 6px; font-size: 12px; color: var(--muted); }
.map-side { background: var(--panel); border-left: 1px solid var(--line); padding: 16px; overflow: auto; }
.node { cursor: pointer; }
.node rect.body { fill: var(--panel2); stroke: #3a4757; stroke-width: 1.5; }
.node.sel rect.body { stroke: var(--accent); stroke-width: 2.5; }
.node .kind { stroke: none; }
.node text { fill: var(--text); font-size: 13px; pointer-events: none; }
.node text.ip { fill: var(--muted); font: 11px var(--mono); }
.node circle.st { stroke: var(--panel2); stroke-width: 2; }
.st-ok { fill: var(--ok); } .st-error { fill: var(--bad); } .st-never { fill: var(--idle); }
.link line.hit { stroke: transparent; stroke-width: 16; cursor: pointer; }
.link line.wire { stroke-linecap: round; pointer-events: none; }
.link.sel line.wire { filter: drop-shadow(0 0 4px #fff); }
.u-none { stroke: #536375; } .u-low { stroke: #2fbf71; } .u-mid { stroke: #a6c93a; }
.u-high { stroke: #f0a92e; } .u-crit { stroke: #ef5b5b; }
.link.down line.wire { stroke: var(--bad); stroke-dasharray: 6 5; }
.link .flow { stroke-dasharray: 2 14; stroke-linecap: round; stroke: rgba(255,255,255,.55); pointer-events: none; animation: flow 1.2s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -32; } }
@media (prefers-reduced-motion: reduce) { .link .flow { animation: none; } }
.lbl rect { fill: rgba(15,20,25,.92); stroke: var(--line); }
.lbl text { fill: var(--text); font: 11px var(--mono); }
.lbl text.port { fill: #9fc3ff; }
.ulegend { display: flex; gap: 10px; font-size: 12px; color: var(--muted); flex-wrap: wrap; }
.ulegend i { display: inline-block; width: 18px; height: 4px; border-radius: 2px; vertical-align: 3px; margin-right: 4px; }
.ul-none { background: #536375; } .ul-low { background: #2fbf71; } .ul-mid { background: #a6c93a; }
.ul-high { background: #f0a92e; } .ul-crit { background: #ef5b5b; }

/* логин */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 16px; }
.login-box { width: min(400px, 100%); background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 28px; }
.login-box h1 { font-size: 20px; display: flex; gap: 8px; align-items: center; }
.login-box form { display: flex; flex-direction: column; gap: 12px; }
.login-box .btn { width: 100%; padding: 9px; }
.sep { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 12px; margin: 16px 0; }
.sep::before, .sep::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.err { color: var(--bad); font-size: 13px; min-height: 18px; }
.qr { background: #fff; padding: 10px; border-radius: 8px; width: 200px; height: 200px; display: block; margin: 8px auto; }
.code-input { font: 22px var(--mono) !important; letter-spacing: 6px; text-align: center; }
.secret { word-break: break-all; text-align: center; }

@media (max-width: 760px) {
  .app { grid-template-columns: 1fr; grid-template-rows: auto 1fr; }
  .side { flex-direction: row; overflow-x: auto; }
  .nav { display: flex; } .who { display: none; }
  .map-wrap { grid-template-columns: 1fr; grid-template-rows: 1fr auto; }
  .grid2 { grid-template-columns: 1fr; }
}
.map-side .kv { grid-template-columns: 1fr; gap: 0; }
.map-side .kv dt { font-size: 12px; margin-top: 8px; }
.map-side .kv dd { font-weight: 500; }
/* карта: режим редактирования */
.node { cursor: pointer; }
.map-area.editing .node { cursor: move; }
.map-area.editing { box-shadow: inset 0 0 0 2px var(--warn); }
.map-tools .stamp.edit-hint { color: var(--warn); border: 1px solid rgba(240,169,46,.45); }
.map-side .t { table-layout: fixed; }
.map-side .t td { word-break: break-word; padding: 6px 4px; font-size: 12.5px; }
.map-side .t td:first-child { width: 38%; }
.map-side .t td:last-child { width: 26%; }
/* карта: форматы иконок */
.node .glyph path { fill: none; stroke: #fff; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.node .ibody { stroke: rgba(255,255,255,.28); stroke-width: 1.5; }
.node .dbody { stroke: rgba(255,255,255,.35); stroke-width: 1.5; }
.node .dring { fill: none; stroke-width: 2; }
.st-ring-ok { stroke: var(--ok); } .st-ring-error { stroke: var(--bad); } .st-ring-never { stroke: var(--idle); }
.node.sel .ibody, .node.sel .dbody { stroke: var(--accent); stroke-width: 3; }
.node text.under { paint-order: stroke; stroke: var(--bg); stroke-width: 4px; stroke-linejoin: round; }
.node text.under.ip { fill: var(--muted); font: 11px var(--mono); }
.map-side .range { flex: 1; min-width: 120px; accent-color: var(--accent); }
.map-side .card .f { margin-bottom: 10px; }