/* ===== Carbonfox palette (IBM Carbon-inspired dark) ===== */
:root {
  --bg0: #0b0b0b;   /* page, darkest */
  --bg1: #161616;   /* main surface */
  --bg2: #1c1c1c;   /* cards */
  --bg3: #232323;   /* raised / inputs */
  --bg4: #2a2a2a;   /* hover */
  --line: #333333;
  --line-soft: #262626;

  --fg0: #f2f4f8;   /* headings */
  --fg1: #cdd0d4;   /* body */
  --fg2: #8d9094;   /* secondary */
  --muted: #6e6e6e; /* comments */

  --blue:   #78a9ff;
  --blue-d: #4589ff;
  --cyan:   #33b1ff;
  --purple: #be95ff;
  --pink:   #ee5396;
  --green:  #25be6a;
  --green-d:#1f9a56;
  --teal:   #08bdba;
  --amber:  #f1c21b;
  --red:    #fa4d56;

  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(0,0,0,.5), 0 8px 24px rgba(0,0,0,.35);
  --ring: 0 0 0 3px rgba(120,169,255,.35);
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.5;
  color: var(--fg1);
  background:
    radial-gradient(900px 500px at 12% -10%, rgba(120,169,255,.08), transparent 60%),
    radial-gradient(800px 500px at 100% 0%, rgba(190,149,255,.06), transparent 55%),
    var(--bg0);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.accent-bar {
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--purple) 45%, var(--pink) 75%, var(--teal));
}

code {
  font-family: var(--mono);
  font-size: .86em;
  background: var(--bg3);
  color: var(--cyan);
  padding: 1px 6px;
  border-radius: 5px;
  border: 1px solid var(--line-soft);
}

/* ===== Header ===== */
header {
  padding: 22px 28px;
  border-bottom: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(255,255,255,.015), transparent);
}
.brand { display: flex; align-items: center; gap: 14px; max-width: 1240px; margin: 0 auto; }
.logo { flex: none; }
.logo rect { fill: none; stroke: var(--blue); stroke-width: 1.6; }
.logo .dot { fill: var(--green); stroke: none; }
.logo .rule { stroke: var(--purple); stroke-width: 1.6; stroke-linecap: round; fill: none; }
header h1 { margin: 0; font-size: 21px; font-weight: 600; letter-spacing: -0.01em; color: var(--fg0); }
header .sub { margin: 3px 0 0; color: var(--fg2); font-size: 13px; }

main { max-width: 1240px; margin: 26px auto; padding: 0 20px; }

/* ===== Cards ===== */
.card {
  background: linear-gradient(180deg, var(--bg2), var(--bg1));
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.card h2 {
  margin: 0 0 14px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--fg2);
  display: flex; align-items: center; gap: 8px;
}
.card h2 .muted { text-transform: none; letter-spacing: 0; }
.dot-blue, .dot-purple, .dot-teal { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot-blue { background: var(--blue); }
.dot-purple { background: var(--purple); }
.dot-teal { background: var(--teal); }

/* ===== Form ===== */
form { display: flex; flex-wrap: wrap; gap: 22px; align-items: flex-start; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field > label { font-weight: 600; font-size: 13px; color: var(--fg0); display: flex; align-items: center; gap: 8px; }
.field .hint { font-size: 12px; color: var(--fg2); }
.req, .opt {
  font-weight: 600; font-size: 10px; letter-spacing: .04em; text-transform: uppercase;
  padding: 2px 7px; border-radius: 20px;
}
.req { color: var(--blue); background: rgba(120,169,255,.12); border: 1px solid rgba(120,169,255,.3); }
.opt { color: var(--fg2); background: var(--bg3); border: 1px solid var(--line-soft); }

input[type="file"] {
  color: var(--fg1);
  font-size: 13px;
  background: var(--bg3);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 7px 10px;
  min-width: 280px;
  cursor: pointer;
  transition: border-color .15s, box-shadow .15s;
}
input[type="file"]::file-selector-button {
  font-family: inherit;
  font-weight: 600;
  font-size: 12px;
  color: var(--fg0);
  background: var(--bg4);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 12px;
  margin-right: 12px;
  cursor: pointer;
  transition: background .15s, border-color .15s;
}
input[type="file"]::file-selector-button:hover { background: #343434; border-color: var(--blue); }
input[type="file"]:hover { border-color: var(--line); }
input:focus-visible, input[type="file"]:focus-visible { outline: none; border-color: var(--blue); box-shadow: var(--ring); }

/* segmented control */
.seg { display: inline-flex; background: var(--bg3); border: 1px solid var(--line); border-radius: 10px; padding: 3px; gap: 2px; }
.seg-item { position: relative; }
.seg-item input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.seg-item span {
  display: block; padding: 7px 14px; border-radius: 7px; font-size: 13px; font-weight: 500;
  color: var(--fg2); cursor: pointer; user-select: none; transition: color .15s, background .15s; white-space: nowrap;
}
.seg-item input:hover + span { color: var(--fg1); }
.seg-item input:checked + span { color: var(--fg0); background: var(--bg4); box-shadow: inset 0 0 0 1px var(--line); }
.seg-item input:checked + span::before {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 3px; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--blue), var(--purple));
}
.seg-item input:focus-visible + span { box-shadow: var(--ring); }

.backup-pane { display: flex; flex-direction: column; gap: 7px; }
.money-input { position: relative; display: inline-flex; align-items: center; }
.money-input .cur { position: absolute; left: 11px; color: var(--fg2); font-size: 14px; pointer-events: none; }
input[type="number"] {
  font-family: var(--sans);
  color: var(--fg0); font-size: 14px;
  background: var(--bg3); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 9px 12px 9px 26px; min-width: 230px;
  transition: border-color .15s, box-shadow .15s;
}
input[type="number"]::placeholder { color: var(--muted); }

.actions { display: flex; gap: 12px; align-items: center; margin-left: auto; padding-top: 22px; }

button {
  position: relative;
  font-family: inherit; font-size: 14px; font-weight: 600;
  color: #07111f;
  background: var(--blue);
  border: 0; border-radius: var(--radius-sm);
  padding: 11px 20px; cursor: pointer;
  transition: filter .15s, transform .05s, box-shadow .15s;
}
button:hover:not(:disabled) { filter: brightness(1.08); box-shadow: 0 6px 18px rgba(120,169,255,.25); }
button:active:not(:disabled) { transform: translateY(1px); }
button:focus-visible { outline: none; box-shadow: var(--ring); }
button:disabled { background: var(--bg4); color: var(--muted); cursor: not-allowed; }
#export-btn { background: var(--green); color: #04140a; }
#export-btn:hover:not(:disabled) { box-shadow: 0 6px 18px rgba(37,190,106,.25); }

.spinner {
  width: 20px; height: 20px;
  border: 2.5px solid var(--line); border-top-color: var(--blue);
  border-radius: 50%; animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Banners ===== */
.banner {
  border-radius: var(--radius); padding: 15px 18px; margin-bottom: 20px;
  border: 1px solid; border-left-width: 4px;
}
.banner.warn { background: rgba(241,194,27,.07); border-color: rgba(241,194,27,.4); border-left-color: var(--amber); color: var(--fg1); }
.banner.error { background: rgba(250,77,86,.08); border-color: rgba(250,77,86,.45); border-left-color: var(--red); color: #ffb3b8; font-weight: 600; }
.banner h3 { margin: 0 0 8px; font-size: 13px; color: var(--amber); }
.banner.error h3 { color: var(--red); }
.banner ul { margin: 0; padding-left: 20px; }
.banner li { margin: 3px 0; font-size: 13px; }

/* ===== Grand total ===== */
.grand {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #15233f 0%, var(--bg2) 55%);
  border: 1px solid rgba(120,169,255,.25);
  border-radius: var(--radius);
  padding: 24px 28px; margin-bottom: 20px;
  display: flex; align-items: baseline; gap: 18px; flex-wrap: wrap;
  box-shadow: var(--shadow);
}
.grand-glow { position: absolute; right: -60px; top: -80px; width: 260px; height: 260px;
  background: radial-gradient(circle, rgba(120,169,255,.22), transparent 65%); pointer-events: none; }
.grand-label { font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--blue); font-weight: 600; }
.grand-value {
  font-size: 36px; font-weight: 700; letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--blue); /* fallback, если нет background-clip: text */
}
@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .grand-value {
    background: linear-gradient(90deg, var(--fg0), var(--blue));
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
  }
}
.grand-vat {
  display: inline-flex; flex-direction: column; gap: 1px;
  padding-left: 18px; margin-left: 4px;
  border-left: 1px solid rgba(120,169,255,.3);
}
.grand-vat-label { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--teal); font-weight: 600; }
.grand-vat-value { font-size: 24px; font-weight: 700; letter-spacing: -0.01em; color: var(--fg0); font-variant-numeric: tabular-nums; }
.grand-period { font-size: 13px; color: var(--fg2); margin-left: auto; }

/* ===== Groups ===== */
.groups { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 20px; }
.groups .card { margin-bottom: 0; }

table { width: 100%; border-collapse: collapse; }
.subtable td { padding: 8px 6px; border-bottom: 1px solid var(--line-soft); color: var(--fg1); }
.subtable td:first-child { color: var(--fg2); }
.subtable td:last-child { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; white-space: nowrap; color: var(--fg0); }
.subtable tr:last-child td { border-bottom: 0; }
.subtable tr:hover td { color: var(--fg0); }

/* ===== VM table ===== */
.table-wrap { overflow-x: auto; border-radius: var(--radius-sm); border: 1px solid var(--line-soft); }
#vm-table th, #vm-table td { padding: 10px 12px; border-bottom: 1px solid var(--line-soft); text-align: left; white-space: nowrap; }
#vm-table thead th {
  position: sticky; top: 0; z-index: 1;
  background: var(--bg3); color: var(--fg2);
  font-size: 11px; text-transform: uppercase; letter-spacing: .04em; font-weight: 600;
  border-bottom: 1px solid var(--line);
}
#vm-table tbody td { color: var(--fg1); }
#vm-table tbody td:first-child { color: var(--fg0); font-weight: 500; }
#vm-table .num { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; }
#vm-table tbody tr:nth-child(even) { background: rgba(255,255,255,.012); }
#vm-table tbody tr:hover { background: rgba(120,169,255,.07); }
#vm-table tfoot td { font-weight: 700; color: var(--fg0); background: var(--bg3); border-top: 2px solid var(--blue); font-family: var(--mono); }
#vm-table tfoot td:first-child { font-family: var(--sans); }

.badge { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 11px; font-weight: 600; letter-spacing: .02em; }
.badge.on { background: rgba(37,190,106,.14); color: #5fd693; border: 1px solid rgba(37,190,106,.3); }
.badge.off { background: var(--bg3); color: var(--fg2); border: 1px solid var(--line); }

.row-warn td:first-child { box-shadow: inset 3px 0 0 var(--amber); }
.cell-warn { color: var(--amber); cursor: help; font-weight: 700; }

.muted { color: var(--fg2); font-weight: 400; font-size: 13px; }
.hidden { display: none !important; }

footer { text-align: center; color: var(--muted); font-size: 12px; padding: 26px; border-top: 1px solid var(--line-soft); margin-top: 10px; }

/* ===== View switch (Дашборд / Таблицы) ===== */
.view-switch { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }

/* ===== KPI chips ===== */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-bottom: 20px; }
.kpi {
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, var(--bg2), var(--bg1));
  border: 1px solid var(--line-soft); border-radius: var(--radius);
  padding: 14px 16px 14px 18px; box-shadow: var(--shadow);
}
.kpi::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--blue); }
.kpi.k-cpu::before  { background: var(--purple); }
.kpi.k-ram::before  { background: var(--teal); }
.kpi.k-disk::before { background: var(--cyan); }
.kpi.k-avg::before  { background: var(--pink); }
.kpi-label { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--fg2); font-weight: 600; }
.kpi-value { font-size: 24px; font-weight: 700; color: var(--fg0); letter-spacing: -.01em; font-variant-numeric: tabular-nums; margin-top: 4px; }
.kpi-sub { font-size: 12px; color: var(--fg2); margin-top: 4px; display: flex; gap: 12px; align-items: center; }
.kpi-sub .on-dot, .kpi-sub .off-dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; margin-right: 5px; vertical-align: middle; }
.kpi-sub .on-dot { background: var(--green); }
.kpi-sub .off-dot { background: var(--fg2); }

/* ===== Dashboard grid ===== */
.dash-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; align-items: start; }
.dash-grid .span-2 { grid-column: 1 / -1; }
.chart-card { margin-bottom: 0; }
.chart-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 0 0 16px; }
.chart-head h2 { margin: 0; }
.seg.seg-sm { padding: 2px; }
.seg.seg-sm .seg-item span { padding: 5px 11px; font-size: 12px; }

/* ===== Donut ===== */
.donut-wrap { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; }
.donut { position: relative; flex: none; width: 168px; height: 168px; }
.donut svg { width: 100%; height: 100%; display: block; }
.donut .track { fill: none; stroke: var(--bg3); stroke-width: 14; }
.donut .seg {
  fill: none; stroke-width: 14; stroke-linecap: butt; cursor: default;
  transition: stroke-dasharray .9s cubic-bezier(.2, .8, .2, 1), filter .15s;
}
.donut .seg:hover { filter: brightness(1.18); }
.donut .seg.s-storage { stroke: var(--blue); }
.donut .seg.s-compute { stroke: var(--purple); }
.donut .seg.s-backup  { stroke: var(--teal); }
.donut .seg.s-network { stroke: var(--pink); }
.donut-center { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; pointer-events: none; }
.dc-value { font-size: 18px; font-weight: 700; color: var(--fg0); font-variant-numeric: tabular-nums; }
.dc-label { font-size: 10px; text-transform: uppercase; letter-spacing: .08em; color: var(--fg2); margin-top: 2px; }

.legend { display: flex; flex-direction: column; gap: 11px; flex: 1; min-width: 190px; }
.legend-item { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.legend-item.zero { opacity: .45; }
.legend-dot { width: 11px; height: 11px; border-radius: 3px; flex: none; }
.legend-dot.s-storage { background: var(--blue); }
.legend-dot.s-compute { background: var(--purple); }
.legend-dot.s-backup  { background: var(--teal); }
.legend-dot.s-network { background: var(--pink); }
.legend-name { color: var(--fg1); }
.legend-pct { margin-left: auto; color: var(--fg2); font-size: 12px; font-variant-numeric: tabular-nums; }
.legend-val { min-width: 96px; text-align: right; font-family: var(--mono); color: var(--fg0); font-variant-numeric: tabular-nums; white-space: nowrap; }

/* ===== Bar lists ===== */
.barlist { display: flex; flex-direction: column; gap: 11px; }
.bar-row { display: grid; grid-template-columns: minmax(96px, 168px) 1fr auto; align-items: center; gap: 12px; }
.bar-name { color: var(--fg1); font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bar-name .st { width: 7px; height: 7px; border-radius: 50%; display: inline-block; margin-right: 7px; vertical-align: middle; }
.bar-name .st.on { background: var(--green); }
.bar-name .st.off { background: var(--fg2); }
.bar-track { position: relative; height: 22px; background: var(--bg3); border: 1px solid var(--line-soft); border-radius: 6px; overflow: hidden; }
.bar-fill {
  position: absolute; left: 0; top: 0; bottom: 0; width: 0; border-radius: 6px;
  background: linear-gradient(90deg, var(--blue-d), var(--purple));
  transition: width .85s cubic-bezier(.2, .8, .2, 1);
}
.bar-fill.g2 { background: linear-gradient(90deg, var(--teal), var(--cyan)); }
.bar-val { font-family: var(--mono); font-size: 12.5px; color: var(--fg0); font-variant-numeric: tabular-nums; white-space: nowrap; }
.barlist-empty { color: var(--fg2); font-size: 13px; padding: 8px 2px; }
.barlist-note { color: var(--fg2); font-size: 12px; margin-top: 10px; }

/* ===== Floating chart tooltip ===== */
.chart-tip {
  position: fixed; z-index: 50; pointer-events: none; opacity: 0; transform: translateY(4px);
  background: var(--bg4); border: 1px solid var(--line); border-radius: 8px;
  padding: 9px 11px; font-size: 12px; color: var(--fg1); box-shadow: var(--shadow);
  max-width: 260px; transition: opacity .12s, transform .12s;
}
.chart-tip.show { opacity: 1; transform: translateY(0); }
.chart-tip .tip-title { color: var(--fg0); font-weight: 600; margin-bottom: 5px; }
.chart-tip .tip-row { display: flex; justify-content: space-between; gap: 18px; line-height: 1.6; }
.chart-tip .tip-row .v { font-family: var(--mono); color: var(--fg0); font-variant-numeric: tabular-nums; }

@media (max-width: 720px) {
  .actions { margin-left: 0; padding-top: 6px; width: 100%; }
  .grand-value { font-size: 28px; }
  header { padding: 18px 18px; }
  .dash-grid { grid-template-columns: 1fr; }
  .bar-row { grid-template-columns: minmax(70px, 104px) 1fr auto; gap: 9px; }
  .donut-wrap { gap: 16px; }
}