/* ── akonit admin · дизайн-система ───────────────────────────────────────────
   Белый минимализм, много воздуха, тонкий синий акцент из лого (#1a7fff).      */
:root {
  --blue:        #1a7fff;
  --blue-600:    #0a6cf0;
  --blue-50:     #eef5ff;
  --blue-100:    #dbe9ff;
  --ink:         #0c1424;
  --ink-2:       #36405a;
  --muted:       #7a8699;
  --line:        #eceef3;
  --line-2:      #e3e7ee;
  --bg:          #ffffff;
  --surface:     #ffffff;
  --surface-2:   #fafbfc;
  --green:       #16a34a;
  --amber:       #f59e0b;
  --red:         #ef4444;
  --slate:       #94a3b8;
  --radius:      16px;
  --radius-sm:   12px;
  --shadow:      0 1px 2px rgba(16,24,40,.04), 0 8px 28px -12px rgba(16,24,40,.12);
  --shadow-lg:   0 24px 60px -20px rgba(16,40,90,.22);
  --ring:        0 0 0 4px rgba(26,127,255,.16);
  --font:        'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --mono:        ui-monospace, SFMono-Regular, 'SF Mono', Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 50% -10%, var(--blue-50), transparent 60%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

/* ── Кнопки / поля ───────────────────────────────────────────────────────── */
.btn {
  appearance: none; border: 1px solid var(--line-2); background: var(--surface);
  color: var(--ink); font-weight: 600; font-size: 14px; letter-spacing: .1px;
  padding: 11px 16px; border-radius: var(--radius-sm); cursor: pointer;
  transition: background .18s, border-color .18s, box-shadow .18s, transform .08s;
}
.btn:hover { border-color: var(--blue-100); background: var(--surface-2); }
.btn:active { transform: translateY(1px); }
.btn-primary {
  border-color: transparent; color: #fff;
  background: linear-gradient(180deg, var(--blue), var(--blue-600));
  box-shadow: 0 6px 16px -6px rgba(26,127,255,.55);
}
.btn-primary:hover { background: linear-gradient(180deg, #2a89ff, var(--blue)); }
.btn-ghost { border-color: transparent; background: transparent; color: var(--muted); }
.btn-ghost:hover { background: var(--surface-2); color: var(--ink); }

.field { position: relative; }
.field > label {
  display: block; font-size: 12.5px; font-weight: 600; color: var(--ink-2);
  margin: 0 0 7px 2px; letter-spacing: .2px;
}
.input {
  width: 100%; padding: 13px 14px; font-size: 15px; color: var(--ink);
  background: var(--surface); border: 1px solid var(--line-2);
  border-radius: var(--radius-sm); outline: none;
  transition: border-color .18s, box-shadow .18s, background .18s;
}
.input::placeholder { color: #aab2c0; }
.input:focus { border-color: var(--blue); box-shadow: var(--ring); }

/* ── Логотип (inline SVG) ────────────────────────────────────────────────── */
.logo { display: block; }
.logo .petal { fill: none; stroke: var(--blue); stroke-width: 3.4;
  stroke-linecap: round; stroke-linejoin: round; }
.logo .stem  { stroke: var(--blue); stroke-width: 2.4; stroke-linecap: round; }
.logo .node  { fill: var(--blue); }
.logo .core  { fill: var(--blue); }
.logo .core-ring { fill: none; stroke: var(--blue); stroke-width: 2.6; }

/* раскрытие лепестков */
.logo.bloom .petal-g {
  transform-box: view-box; transform-origin: 100px 100px;
  opacity: 0; animation: bloom .9s cubic-bezier(.34,1.56,.64,1) forwards;
}
.logo.bloom .petal-g:nth-child(1) { animation-delay: .15s; }
.logo.bloom .petal-g:nth-child(2) { animation-delay: .27s; }
.logo.bloom .petal-g:nth-child(3) { animation-delay: .39s; }
.logo.bloom .petal-g:nth-child(4) { animation-delay: .51s; }
.logo.bloom .petal-g:nth-child(5) { animation-delay: .63s; }
.logo.bloom .core-ring { transform-box: view-box; transform-origin: 100px 100px;
  opacity: 0; animation: pop .5s ease-out .02s forwards; }
.logo.bloom .core    { transform-box: view-box; transform-origin: 100px 100px;
  opacity: 0; animation: pop .5s ease-out .12s forwards; }
@keyframes bloom {
  0%   { opacity: 0; transform: scale(.04) rotate(-55deg); }
  60%  { opacity: 1; }
  100% { opacity: 1; transform: scale(1) rotate(0); }
}
@keyframes pop {
  from { opacity: 0; transform: scale(.2); }
  to   { opacity: 1; transform: scale(1); }
}

/* ── Экран входа ─────────────────────────────────────────────────────────── */
.login-wrap {
  min-height: 100%; display: grid; place-items: center; padding: 32px 20px;
}
.login-card {
  width: 100%; max-width: 384px; text-align: center;
}
.brand { display: grid; place-items: center; margin-bottom: 6px; }
.brand .wordmark {
  margin-top: 18px; font-weight: 700; font-size: 32px; letter-spacing: -.2px;
  color: #000;
}
.brand .wordmark b { color: inherit; font-weight: 700; }
.login-sub { color: var(--muted); font-size: 14px; margin: 4px 0 26px; }

/* появление формы под логотипом */
.reveal { opacity: 0; transform: translateY(14px); animation: reveal .7s ease forwards; }
.login-form .field   { animation-delay: .95s; }
.login-form .field-2 { animation-delay: 1.07s; }
.login-form .btn     { animation-delay: 1.2s; }
.login-sub.reveal    { animation-delay: .85s; }
.brand .wordmark.reveal { animation-delay: .75s; }
@keyframes reveal { to { opacity: 1; transform: none; } }

.login-form { display: grid; gap: 14px; text-align: left; }
.login-form .btn-primary { margin-top: 6px; width: 100%; justify-self: stretch;
  padding: 13px; font-size: 15px; }
.login-error {
  min-height: 18px; font-size: 13px; color: var(--red); font-weight: 500;
  margin-top: 2px; text-align: center;
}

@media (prefers-reduced-motion: reduce) {
  .logo.bloom .petal-g, .logo.bloom .core, .logo.bloom .core-ring,
  .reveal { animation: none !important; opacity: 1 !important; transform: none !important; }
}

/* ── Топбар / контейнер ──────────────────────────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; gap: 14px;
  padding: 14px 24px; background: rgba(255,255,255,.82);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar .brand-row { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.topbar .brand-row .title { font-weight: 700; font-size: 15.5px; letter-spacing: .2px; }
.topbar .spacer { flex: 1; }
.topbar .meta { color: var(--muted); font-size: 13px; }
.container { max-width: 1120px; margin: 0 auto; padding: 28px 24px 64px; }

.page-head { display: flex; align-items: baseline; gap: 12px; margin: 4px 2px 22px; }
.page-head h1 { font-size: 22px; font-weight: 700; margin: 0; letter-spacing: -.2px; }
.page-head .count { color: var(--muted); font-size: 14px; font-weight: 500; }

/* сводка-легенда */
.legend { display: flex; gap: 16px; margin-left: auto; }
.legend span { display: inline-flex; align-items: center; gap: 6px; color: var(--muted);
  font-size: 13px; font-weight: 500; }

/* ── Сетка нод ───────────────────────────────────────────────────────────── */
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 18px; cursor: pointer; transition: transform .14s, box-shadow .18s, border-color .18s;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); border-color: var(--blue-100); }
.card .card-top { display: flex; align-items: center; gap: 11px; }
.card .name { font-weight: 650; font-size: 15px; line-height: 1.25; }
.card .sub { color: var(--muted); font-size: 12.5px; margin-top: 2px; }
.card .group-chip {
  margin-left: auto; font-size: 11.5px; font-weight: 600; color: var(--ink-2);
  background: var(--surface-2); border: 1px solid var(--line-2);
  padding: 3px 9px; border-radius: 999px; white-space: nowrap;
}
.card .ip { font-family: var(--mono); font-size: 12.5px; color: var(--ink-2); }
.card .mini { display: flex; gap: 14px; margin-top: 15px; padding-top: 14px; border-top: 1px solid var(--line); }
.card .mini .m { flex: 1; }
.card .mini .m .k { font-size: 11px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .4px; }
.card .mini .m .v { font-size: 15px; font-weight: 650; margin-top: 3px; font-variant-numeric: tabular-nums; }

/* ── Светофор ────────────────────────────────────────────────────────────── */
.dot { width: 11px; height: 11px; border-radius: 50%; flex: 0 0 auto; position: relative; }
.dot.green       { background: var(--green); box-shadow: 0 0 0 4px rgba(22,163,74,.14); }
.dot.yellow      { background: var(--amber); box-shadow: 0 0 0 4px rgba(245,158,11,.16); }
.dot.red         { background: var(--red);   box-shadow: 0 0 0 4px rgba(239,68,68,.16); }
.dot.maintenance { background: var(--slate); box-shadow: 0 0 0 4px rgba(148,163,184,.16); }
.dot.lg { width: 13px; height: 13px; }
.dot.green::after {
  content: ''; position: absolute; inset: 0; border-radius: 50%;
  background: var(--green); animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse { 0%{ box-shadow: 0 0 0 0 rgba(22,163,74,.35);} 70%,100%{ box-shadow: 0 0 0 8px rgba(22,163,74,0);} }
.val-green { color: var(--green); } .val-yellow { color: var(--amber); } .val-red { color: var(--red); }

/* ── Деталь ноды ─────────────────────────────────────────────────────────── */
.back { display: inline-flex; align-items: center; gap: 7px; color: var(--muted);
  font-weight: 600; font-size: 14px; margin-bottom: 16px; cursor: pointer; }
.back:hover { color: var(--blue); }
.detail-head { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; }
.detail-head h1 { font-size: 24px; margin: 0; font-weight: 700; letter-spacing: -.3px; }
.detail-head .status-pill {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600;
  padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line-2); background: var(--surface);
}

.gauges { display: grid; gap: 14px; grid-template-columns: repeat(3, 1fr); margin-bottom: 18px; }
.gauge { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 22px; display: flex; align-items: center; gap: 18px; }
.gauge .ring { width: 92px; height: 92px; flex: 0 0 auto; display: grid; place-items: center;
  border-radius: 50%; position: relative; }
.gauge .ring .pct { font-size: 19px; font-weight: 700; font-variant-numeric: tabular-nums; }
.gauge .info .label { color: var(--muted); font-size: 12.5px; font-weight: 600;
  text-transform: uppercase; letter-spacing: .5px; }
.gauge .info .big { font-size: 22px; font-weight: 700; margin-top: 4px; font-variant-numeric: tabular-nums; }
.gauge .info .small { color: var(--muted); font-size: 12.5px; margin-top: 3px; }

.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 6px 22px; }
.panel h3 { font-size: 13px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted);
  font-weight: 700; padding: 16px 0 4px; }
.params { width: 100%; border-collapse: collapse; }
.params tr { border-top: 1px solid var(--line); }
.params tr:first-child { border-top: none; }
.params td { padding: 13px 0; font-size: 14px; vertical-align: top; }
.params td.k { color: var(--muted); font-weight: 500; width: 42%; }
.params td.v { font-weight: 600; text-align: right; }
.params td.v.mono { font-family: var(--mono); font-weight: 500; }

/* ── Утилиты ─────────────────────────────────────────────────────────────── */
.spinner { width: 22px; height: 22px; border-radius: 50%;
  border: 2.5px solid var(--blue-100); border-top-color: var(--blue);
  animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.center-screen { min-height: 60vh; display: grid; place-items: center; }
.muted { color: var(--muted); }
@media (max-width: 720px) { .gauges { grid-template-columns: 1fr; } }