:root {
  --bg: #f4f5f7; --panel: #ffffff; --text: #1d2330; --muted: #6b7385; --line: #e3e6ec;
  --accent: #2f6fed; --ok: #1f9d55; --warn: #d98a00; --crit: #d6383a; --info: #2f6fed;
  --ok-bg: #e5f6ec; --warn-bg: #fdf3dd; --crit-bg: #fde8e8; --info-bg: #e6eefe;
  --s1: #2f6fed; --s2: #d6383a; --s3: #1f9d55; --s4: #d98a00;
  --radius: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11141a; --panel: #1a1e26; --text: #e4e7ee; --muted: #8b93a6; --line: #2a303b;
    --accent: #6b9bff; --ok: #3ccf7a; --warn: #f0b13a; --crit: #ff6b6b; --info: #6b9bff;
    --ok-bg: #173325; --warn-bg: #3a2e12; --crit-bg: #3d1a1c; --info-bg: #1b2847;
    --s1: #6b9bff; --s2: #ff6b6b; --s3: #3ccf7a; --s4: #f0b13a;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre { font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; font-size: 12.5px; }
pre { background: var(--bg); padding: 12px; border-radius: 8px; overflow-x: auto; }
h1 { font-size: 22px; margin: 4px 0 6px; }
h2 { font-size: 15px; margin: 0 0 10px; }
h2.section { margin: 26px 0 10px; }
h3 { font-size: 13px; margin: 14px 0 6px; }
.mt { margin-top: 20px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.nowrap { white-space: nowrap; }
.crit { color: var(--crit); } .warn { color: var(--warn); }

/* --- górny pasek --- */
.top { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  padding: 10px 20px; background: var(--panel); border-bottom: 1px solid var(--line); }
.brand { font-weight: 600; color: var(--text); display: flex; align-items: center; gap: 8px; }
.brand b { font-weight: 700; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px var(--ok-bg); display: inline-block; }
.top nav { display: flex; gap: 4px; flex-wrap: wrap; }
.top nav a, .who > a { padding: 6px 10px; border-radius: 6px; color: var(--muted); }
.top nav a.active, .top nav a:hover, .who > a.active, .who > a:hover { background: var(--bg); color: var(--text); text-decoration: none; }
.who { margin-left: auto; display: flex; align-items: center; gap: 10px; font-size: 13px; }
.fresh { color: var(--muted); font-size: 12px; }
.fresh.stale { color: var(--crit); font-weight: 600; }
.auto { color: var(--muted); font-size: 12px; display: flex; align-items: center; gap: 4px; cursor: pointer; }
form.inline { display: inline; margin: 0; }
button.link { background: none; border: 0; color: var(--accent); cursor: pointer; font: inherit; padding: 6px 4px; }

main { max-width: 1400px; margin: 0 auto; padding: 18px 20px 60px; }

/* --- kafelki --- */
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; margin-bottom: 14px; }
.tile { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; color: var(--text); }
.tile.link:hover { border-color: var(--accent); text-decoration: none; }
.tile h3 { margin: 0 0 6px; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; }
.tile p { margin: 8px 0 0; font-size: 12px; color: var(--muted); }
.big { font-size: 30px; font-weight: 700; line-height: 1.1; font-variant-numeric: tabular-nums; }
.big small { font-size: 16px; font-weight: 500; color: var(--muted); margin-left: 2px; }
.big.sm { font-size: 20px; }

.bar { height: 6px; background: var(--bg); border-radius: 3px; overflow: hidden; margin-top: 8px; min-width: 60px; }
.bar span { display: block; height: 100%; width: 0; border-radius: 3px; background: var(--ok); transition: width .4s; }
.bar.warn span { background: var(--warn); } .bar.crit span { background: var(--crit); }
td .bar { margin: 0; display: inline-block; width: calc(100% - 50px); vertical-align: middle; }

/* --- karty i siatka --- */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin-bottom: 14px; overflow-x: auto; }
.grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.grid2 > .card { margin-bottom: 0; }
.grid2 + .grid2, .grid2 + .card, .card + .grid2, .tiles + .grid2 { margin-top: 14px; }
@media (max-width: 900px) { .grid2 { grid-template-columns: 1fr; } }

/* --- tabele --- */
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th { text-align: left; font-weight: 600; color: var(--muted); font-size: 12px; padding: 6px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
td { padding: 7px 8px; border-bottom: 1px solid var(--line); vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
table.compact td { padding: 4px 8px; }
.num { text-align: right; }
.w50 { width: 50%; } .w30 { width: 30%; white-space: nowrap; }
tr.row-crit td { background: var(--crit-bg); }
td code { word-break: break-all; }

.badge { display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: 11.5px; font-weight: 600; white-space: nowrap; }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.crit { background: var(--crit-bg); color: var(--crit); }
.badge.info { background: var(--info-bg); color: var(--info); }
.badge.muted { background: var(--bg); color: var(--muted); }

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { background: var(--bg); border: 1px solid var(--line); border-radius: 14px; padding: 2px 10px; font-size: 12.5px; color: var(--text); }
.chip small { color: var(--muted); margin-left: 4px; }
a.chip:hover { border-color: var(--accent); text-decoration: none; }

/* --- alerty --- */
.alerts { list-style: none; padding: 0; margin: 0 0 14px; display: grid; gap: 6px; }
.alerts li { padding: 10px 14px; border-radius: 8px; border-left: 4px solid; }
.alerts li.crit { background: var(--crit-bg); border-color: var(--crit); color: var(--text); }
.alerts li.warn { background: var(--warn-bg); border-color: var(--warn); color: var(--text); }
.alerts li a { color: inherit; display: block; }
.allgood { background: var(--ok-bg); color: var(--ok); padding: 10px 14px; border-radius: 8px; font-weight: 600; margin: 0 0 14px; }
.note { background: var(--info-bg); padding: 8px 14px; border-radius: 8px; margin: 0 0 14px; font-size: 13px; }

/* --- usługi --- */
.services { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 8px; }
.svc { border: 1px solid var(--line); border-left: 4px solid var(--ok); border-radius: 8px; padding: 8px 10px; display: flex; flex-direction: column; }
.svc.crit { border-left-color: var(--crit); background: var(--crit-bg); }
.svc span { font-size: 12px; color: var(--muted); }

/* --- filtry --- */
.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.tabs { display: flex; gap: 2px; background: var(--bg); padding: 3px; border-radius: 8px; flex-wrap: wrap; }
.tabs a { padding: 5px 12px; border-radius: 6px; color: var(--muted); }
.tabs a.active { background: var(--panel); color: var(--text); box-shadow: 0 1px 2px rgba(0,0,0,.08); text-decoration: none; }
.search { display: flex; gap: 6px; flex-wrap: wrap; }
input, select, button { font: inherit; color: var(--text); }
input[type=search], input[type=text], input[type=password], input:not([type]), select {
  background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 6px 10px; min-width: 0; }
button { background: var(--accent); color: #fff; border: 0; border-radius: 6px; padding: 7px 14px; cursor: pointer; font-weight: 600; }
button:hover { filter: brightness(1.08); }
.pager { display: flex; gap: 14px; justify-content: center; align-items: center; margin-top: 12px; color: var(--muted); }

/* --- wykresy --- */
.chart { margin: 0; position: relative; }
.chart svg { display: block; width: 100%; height: 190px; overflow: visible; }
.chart .grid line { stroke: var(--line); }
.chart .axis text { fill: var(--muted); font-size: 10.5px; }
.chart .legend { display: flex; gap: 14px; font-size: 12px; color: var(--muted); margin-top: 4px; flex-wrap: wrap; }
.chart .legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; vertical-align: -1px; }
.chart .tip { position: absolute; pointer-events: none; background: var(--panel); border: 1px solid var(--line); border-radius: 6px;
  padding: 6px 9px; font-size: 12px; box-shadow: 0 4px 14px rgba(0,0,0,.12); white-space: nowrap; display: none; z-index: 3; }
.chart .cursor { stroke: var(--muted); stroke-dasharray: 3 3; }
.chart .empty { color: var(--muted); padding: 40px 0; text-align: center; }

/* --- logowanie --- */
body.bare { display: grid; place-items: center; min-height: 100vh; }
body.bare main { padding: 16px; width: 100%; max-width: 380px; }
.login form { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 28px; display: grid; gap: 14px; }
.login h1 { display: flex; align-items: center; gap: 10px; margin: 0 0 4px; }
.login label { display: grid; gap: 5px; font-size: 13px; color: var(--muted); }
.login input { padding: 10px 12px; font-size: 15px; }
.login input.code { font-size: 24px; letter-spacing: .3em; text-align: center; font-variant-numeric: tabular-nums; }
.login button { padding: 11px; font-size: 15px; }
.login .err { background: var(--crit-bg); color: var(--crit); padding: 9px 12px; border-radius: 8px; margin: 0; }
.login p { margin: 0; }

@media (max-width: 640px) {
  .top { padding: 8px 16px; gap: 8px; }
  .who { margin-left: 0; width: 100%; justify-content: space-between; }
  main { padding: 14px 16px 40px; }
  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .big { font-size: 24px; }
}