:root {
  color-scheme: light;
  --bg: #f9f9f7;
  --surface: #fcfcfb;
  --surface-2: #f3f2ee;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, .10);
  --accent: #2a78d6;
  --accent-ink: #1c5cab;
  --ozon: #2a78d6;
  --wb: #eb6834;
  --good: #006300;
  --good-bg: #e6f4e6;
  --warn: #fab219;
  --warn-bg: #fff4dc;
  --crit: #d03b3b;
  --crit-bg: #fbe9e9;
  --info-bg: #e8f1fc;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(0, 0, 0, .04), 0 1px 1px rgba(0, 0, 0, .03);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #0d0d0d;
    --surface: #1a1a19;
    --surface-2: #232321;
    --ink: #ffffff;
    --ink-2: #c3c2b7;
    --muted: #898781;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, .10);
    --accent: #3987e5;
    --accent-ink: #86b6ef;
    --ozon: #3987e5;
    --wb: #d95926;
    --good: #0ca30c;
    --good-bg: #12260f;
    --warn-bg: #2d2410;
    --crit-bg: #2e1515;
    --info-bg: #14223a;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font: 14px/1.45 var(--font);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-ink); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 0 0 4px; font-weight: 650; letter-spacing: -.01em; }
h2 { font-size: 16px; margin: 0 0 12px; font-weight: 650; }
h3 { font-size: 14px; margin: 16px 0 8px; font-weight: 650; }
p { margin: 0 0 10px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.num, td.n, th.n { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.pos { color: var(--good); }
.neg { color: var(--crit); }

/* ---------- layout */
.app { display: grid; grid-template-columns: 228px 1fr; min-height: 100vh; }
.side {
  background: var(--surface); border-right: 1px solid var(--border);
  padding: 18px 12px; position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.brand { font-weight: 700; font-size: 15px; padding: 4px 10px 16px; display: flex; gap: 8px; align-items: center; }
.brand-mark { width: 22px; height: 22px; border-radius: 6px; background: linear-gradient(135deg, var(--ozon) 50%, var(--wb) 50%); }
.nav a {
  display: flex; justify-content: space-between; align-items: center;
  padding: 7px 10px; border-radius: 7px; color: var(--ink-2); margin-bottom: 1px;
}
.nav a:hover { background: var(--surface-2); text-decoration: none; color: var(--ink); }
.nav a.on { background: var(--info-bg); color: var(--accent-ink); font-weight: 600; }
.nav .sep { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); padding: 14px 10px 4px; }
.badge {
  min-width: 20px; padding: 1px 6px; border-radius: 10px; font-size: 11px; font-weight: 700; text-align: center;
  background: var(--crit); color: #fff;
}
.side-foot { margin-top: 18px; padding: 10px; border-top: 1px solid var(--border); font-size: 12px; color: var(--muted); }
.side-foot form { display: inline; }
.main { padding: 22px 28px 60px; min-width: 0; }
.head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
.btn.menu-toggle { display: none; }

@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .side { position: static; height: auto; display: none; }
  .side.open { display: block; }
  .btn.menu-toggle { display: inline-flex; margin-bottom: 10px; }
  .main { padding: 16px; }
}

/* ---------- cards */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow); }
.card + .card, .grid + .card, .card + .grid, .grid + .grid { margin-top: 16px; }
.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g-main { grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); }
@media (max-width: 1100px) { .g-main, .g2, .g3 { grid-template-columns: 1fr; } }

.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); }
.kpi .lbl { font-size: 12px; color: var(--ink-2); margin-bottom: 6px; }
.kpi .val { font-size: 24px; font-weight: 650; letter-spacing: -.02em; white-space: nowrap; }
.kpi .sub { font-size: 12px; color: var(--muted); margin-top: 4px; }
.kpi.hero { border-color: var(--accent); }
.split { display: flex; gap: 10px; margin-top: 6px; font-size: 12px; color: var(--ink-2); flex-wrap: wrap; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: 4px; vertical-align: 0; }
.dot.ozon { background: var(--ozon); }
.dot.wb { background: var(--wb); }

/* ---------- cost bars */
.bars { display: grid; gap: 9px; }
.barrow { display: grid; grid-template-columns: minmax(120px, 1.2fr) 2fr auto; gap: 10px; align-items: center; font-size: 13px; }
.barrow .track { height: 10px; background: var(--surface-2); border-radius: 5px; overflow: hidden; }
.barrow .fill { height: 100%; background: var(--accent); border-radius: 0 4px 4px 0; }
.barrow .fill.cogs { background: var(--ink-2); }
.barrow .vals { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.barrow .vals span { color: var(--muted); margin-left: 6px; display: inline-block; min-width: 46px; }

/* ---------- progress */
.progress { height: 12px; border-radius: 6px; background: var(--surface-2); overflow: hidden; display: flex; margin: 8px 0; }
.progress i { display: block; height: 100%; }
.progress .p-ozon { background: var(--ozon); }
.progress .p-wb { background: var(--wb); margin-left: 2px; }

/* ---------- charts */
.chart-wrap { overflow-x: auto; position: relative; }
svg.chart { width: 100%; height: auto; display: block; }
svg.chart .grid { stroke: var(--grid); stroke-width: 1; }
svg.chart .axis { stroke: var(--axis); stroke-width: 1; }
svg.chart .tick { fill: var(--muted); font-size: 11px; font-family: var(--font); }
svg.chart .s-ozon { fill: var(--ozon); }
svg.chart .s-wb { fill: var(--wb); }
svg.chart .hit { fill: transparent; }
svg.chart .bar:hover .hit, svg.chart .bar:focus .hit { fill: var(--surface-2); }
svg.chart .bar:focus { outline: none; }
.legend { display: flex; gap: 14px; font-size: 12px; color: var(--ink-2); margin-bottom: 8px; }
.tooltip {
  position: fixed; pointer-events: none; z-index: 50; background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 10px; font-size: 12px; box-shadow: 0 6px 20px rgba(0, 0, 0, .14); line-height: 1.5;
  font-variant-numeric: tabular-nums;
}
.tooltip b { display: block; margin-bottom: 2px; }
svg.spark { vertical-align: middle; }
.spark-line { fill: none; stroke: var(--accent); stroke-width: 1.5; }
.spark-dot { fill: var(--accent); }

/* ---------- tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { padding: 7px 10px; border-bottom: 1px solid var(--grid); text-align: left; vertical-align: top; }
thead th { background: var(--surface-2); font-weight: 600; font-size: 12px; color: var(--ink-2); position: sticky; top: 0; z-index: 1; }
thead th .col { color: var(--muted); font-weight: 500; }
tbody tr:hover td { background: var(--surface-2); }
tr.total td { font-weight: 650; background: var(--surface-2); }
tr.subtle td { color: var(--muted); }
tr.split-row td { background: var(--warn-bg); }
td.sticky, th.sticky { position: sticky; left: 0; background: var(--surface); z-index: 2; }
thead th.sticky { z-index: 3; background: var(--surface-2); }
tr.total td.sticky { background: var(--surface-2); }
table.wide th { white-space: normal; min-width: 92px; max-width: 160px; }
td.calc { background: rgba(42, 120, 214, .05); }
.tag { display: inline-block; font-size: 11px; padding: 1px 6px; border-radius: 4px; background: var(--surface-2); color: var(--ink-2); white-space: nowrap; }
.tag.api { background: var(--info-bg); color: var(--accent-ink); }
.tag.lock::before { content: "🔒 "; }
.tag.warn { background: var(--warn-bg); }

/* ---------- alerts */
.alert-item { display: grid; grid-template-columns: auto 1fr auto; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--grid); align-items: start; }
.alert-item:last-child { border-bottom: 0; }
.sev { font-size: 11px; font-weight: 700; padding: 2px 7px; border-radius: 4px; white-space: nowrap; }
.sev.critical { background: var(--crit-bg); color: var(--crit); }
.sev.critical::before { content: "● "; }
.sev.warning { background: var(--warn-bg); color: #8a5a00; }
.sev.warning::before { content: "▲ "; }
.sev.info { background: var(--info-bg); color: var(--accent-ink); }
.sev.info::before { content: "i "; }
@media (prefers-color-scheme: dark) { .sev.warning { color: var(--warn); } }
.alert-title { font-weight: 600; }
.alert-msg { color: var(--ink-2); font-size: 13px; margin-top: 2px; }

/* ---------- flash */
.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; border: 1px solid var(--border); }
.flash.ok { background: var(--good-bg); }
.flash.error { background: var(--crit-bg); }

/* ---------- forms */
form.inline { display: inline; }
label { display: block; font-size: 12px; color: var(--ink-2); margin-bottom: 4px; }
input, select, textarea {
  font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--axis); border-radius: 7px;
  padding: 7px 9px; width: 100%;
}
input:focus, select:focus, textarea:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
input[type=checkbox] { width: auto; }
input.n { text-align: right; font-variant-numeric: tabular-nums; }
.fields { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.row { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.row > * { flex: 1 1 160px; }
.row > .shrink { flex: 0 0 auto; }
.btn {
  display: inline-flex; align-items: center; gap: 6px; font: inherit; font-weight: 600; font-size: 13px; cursor: pointer;
  padding: 7px 14px; border-radius: 7px; border: 1px solid var(--axis); background: var(--surface); color: var(--ink);
  white-space: nowrap; width: auto;
}
.btn:hover { background: var(--surface-2); text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.07); }
.btn.danger { color: var(--crit); }
.btn.sm { padding: 3px 9px; font-size: 12px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 14px; flex-wrap: wrap; }
.tabs a { padding: 8px 12px; color: var(--ink-2); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs a.on { color: var(--ink); border-color: var(--accent); font-weight: 600; }
.tabs a:hover { text-decoration: none; color: var(--ink); }
.secret-box { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--surface-2); padding: 10px 12px; border-radius: 8px; word-break: break-all; }
.note { background: var(--info-bg); border-radius: 8px; padding: 10px 12px; font-size: 13px; color: var(--ink-2); }
.note.warn { background: var(--warn-bg); }

/* ---------- auth */
.auth { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.auth .card { width: 100%; max-width: 380px; padding: 28px; }
.auth form > * + * { margin-top: 12px; }
.auth .btn { width: 100%; justify-content: center; padding: 10px; }

details summary { cursor: pointer; color: var(--accent-ink); }
details[open] summary { margin-bottom: 10px; }