:root {
  color-scheme: light;
  --plane:        #f9f9f7;
  --surface:      #fcfcfb;
  --ink:          #0b0b0b;
  --ink-2:        #52514e;
  --muted:        #898781;
  --grid:         #e1e0d9;
  --axis:         #c3c2b7;
  --border:       rgba(11,11,11,0.10);
  --series-1:     #2a78d6;
  --good:         #0ca30c;
  --warning:      #fab219;
  --serious:      #ec835a;
  --critical:     #d03b3b;
  --success-text: #006300;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --plane:   #0d0d0d;
    --surface: #1a1a19;
    --ink:     #ffffff;
    --ink-2:   #c3c2b7;
    --muted:   #898781;
    --grid:    #2c2c2a;
    --axis:    #383835;
    --border:  rgba(255,255,255,0.10);
    --series-1: #3987e5;
    --success-text: #0ca30c;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --plane:   #0d0d0d;
  --surface: #1a1a19;
  --ink:     #ffffff;
  --ink-2:   #c3c2b7;
  --muted:   #898781;
  --grid:    #2c2c2a;
  --axis:    #383835;
  --border:  rgba(255,255,255,0.10);
  --series-1: #3987e5;
  --success-text: #0ca30c;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--plane);
  color: var(--ink);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.01em; }
h1 { font-size: 1.25rem; }
h2 { font-size: 1rem; }
h3 { font-size: 0.875rem; color: var(--ink-2); font-weight: 600; }
a { color: var(--series-1); }
[hidden] { display: none !important; }

/* ---------- logowanie ---------- */
.login-wrap {
  min-height: 100vh; display: grid; place-items: center; padding: 24px;
}
.login-card {
  width: 100%; max-width: 380px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius); padding: 28px;
}
.login-card h1 { margin-bottom: 4px; }
.login-card p.sub { margin: 0 0 22px; color: var(--muted); font-size: 0.875rem; }

label { display: block; font-size: 0.8125rem; color: var(--ink-2); margin-bottom: 6px; }
input, select {
  width: 100%; padding: 9px 11px; font: inherit; font-size: 0.9375rem;
  color: var(--ink); background: var(--plane);
  border: 1px solid var(--border); border-radius: 7px;
}
input:focus, select:focus, button:focus-visible {
  outline: 2px solid var(--series-1); outline-offset: 1px;
}
.field { margin-bottom: 14px; }

button {
  font: inherit; font-weight: 500; cursor: pointer; border-radius: 7px;
  border: 1px solid transparent; padding: 9px 16px;
  background: var(--series-1); color: #fff;
}
button:disabled { opacity: 0.55; cursor: default; }
button.ghost {
  background: transparent; color: var(--ink-2); border-color: var(--border);
}
button.ghost:hover { color: var(--ink); }

.error {
  background: color-mix(in srgb, var(--critical) 12%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--critical) 40%, transparent);
  color: var(--ink); border-radius: 7px; padding: 9px 12px;
  font-size: 0.875rem; margin-bottom: 14px;
}

/* ---------- układ ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 12px 20px; background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.topbar .spacer { flex: 1; }
.topbar select { width: auto; min-width: 190px; }
.topbar .who { font-size: 0.8125rem; color: var(--muted); }

main { max-width: 1920px; margin: 0 auto; padding: 16px 20px; }
@media (max-width: 700px) { main { padding: 12px; } }

.banner {
  display: flex; gap: 10px; align-items: flex-start;
  border-radius: var(--radius); padding: 12px 14px; margin-bottom: 18px;
  font-size: 0.875rem; border: 1px solid;
}
.banner .icon { flex: none; font-weight: 700; line-height: 1.4; }
.banner-ok {
  background: color-mix(in srgb, var(--good) 10%, var(--surface));
  border-color: color-mix(in srgb, var(--good) 35%, transparent);
}
.banner-warn {
  background: color-mix(in srgb, var(--warning) 16%, var(--surface));
  border-color: color-mix(in srgb, var(--warning) 45%, transparent);
}
.banner-crit {
  background: color-mix(in srgb, var(--critical) 12%, var(--surface));
  border-color: color-mix(in srgb, var(--critical) 40%, transparent);
}

.tabs {
  display: flex; gap: 2px; margin-bottom: 18px; flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
}
.tabs button {
  background: transparent; color: var(--ink-2); border: none;
  border-bottom: 2px solid transparent; border-radius: 0;
  padding: 9px 14px; font-size: 0.9375rem;
}
.tabs button[aria-selected="true"] {
  color: var(--ink); border-bottom-color: var(--series-1); font-weight: 600;
}

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; margin-bottom: 18px;
}
.card > header {
  display: flex; align-items: baseline; gap: 10px; margin-bottom: 14px;
}
.card > header .note { font-size: 0.8125rem; color: var(--muted); margin-left: auto; }

.tiles {
  display: grid; gap: 12px; margin-bottom: 18px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}
.tile {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 18px;
}
.tile .label {
  font-size: 0.8125rem; color: var(--ink-2); margin-bottom: 6px;
}
.tile .value { font-size: 1.6rem; font-weight: 600; letter-spacing: -0.02em; }
.tile .unit { font-size: 0.9rem; color: var(--muted); font-weight: 400; }
.tile .sub { font-size: 0.8125rem; color: var(--muted); margin-top: 4px; }

/* ---------- tabele ---------- */
.table-scroll { overflow: auto; max-height: calc(100vh - 140px); }
/* naglowki kolumn zostaja na gorze przy przewijaniu kazdej listy */
.table-scroll thead th { position: sticky; top: 0; background: var(--surface); z-index: 1;
  box-shadow: inset 0 -1px 0 var(--border); }
#nowi-card .table-scroll { max-height: 70vh; }
table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
th, td {
  text-align: left; padding: 7px 9px;
  border-bottom: 1px solid var(--grid); white-space: nowrap;
}
th { color: var(--ink-2); font-weight: 600; font-size: 0.8125rem; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: color-mix(in srgb, var(--series-1) 6%, transparent); }
td.wrap { white-space: normal; min-width: 12rem; max-width: 30rem; }
.pill {
  display: inline-block; padding: 1px 8px; border-radius: 999px;
  font-size: 0.75rem; font-weight: 600;
}
.pill-ok   { background: color-mix(in srgb, var(--good) 18%, transparent); color: var(--success-text); }
.pill-crit { background: color-mix(in srgb, var(--critical) 18%, transparent); color: var(--critical); }
.pill-warn { background: color-mix(in srgb, var(--warning) 24%, transparent); color: var(--ink); }

/* ---------- wykres ---------- */
.chart { position: relative; }
.chart svg { display: block; width: 100%; height: auto; }
.tip {
  position: absolute; pointer-events: none; z-index: 5;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 7px; padding: 7px 10px; font-size: 0.8125rem;
  box-shadow: 0 4px 14px rgba(0,0,0,0.12); white-space: nowrap;
  transform: translate(-50%, -100%);
}
.tip .t-date { color: var(--muted); margin-bottom: 2px; }
.tip .t-val { font-weight: 600; font-variant-numeric: tabular-nums; }
.empty { color: var(--muted); font-size: 0.875rem; padding: 20px 0; text-align: center; }
.loading { color: var(--muted); font-size: 0.875rem; padding: 20px 0; }
.range { display: flex; gap: 6px; margin-left: auto; }
.range button {
  background: transparent; color: var(--ink-2); border: 1px solid var(--border);
  padding: 4px 10px; font-size: 0.8125rem;
}
.range button[aria-pressed="true"] {
  background: color-mix(in srgb, var(--series-1) 14%, transparent);
  color: var(--ink); border-color: color-mix(in srgb, var(--series-1) 45%, transparent);
  font-weight: 600;
}
.footnote { font-size: 0.8125rem; color: var(--muted); margin-top: 10px; }