.viz-root {
  color-scheme: light;
  --bg: #f4f3f0;
  --surface-1: #fcfcfb;
  --border: #e2e0da;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #7a7974;
  --grid: #ebe9e4;
  --axis: #b9b7b0;
  --strom: #2a78d6;
  --oel: #eb6834;
  --wasser: #1baf7a;
  --good: #0ca30c; --critical: #d03b3b;
  --akzent: #2a78d6;
}
@media (prefers-color-scheme: dark) {
  .viz-root {
    color-scheme: dark;
    --bg: #111110;
    --surface-1: #1a1a19;
    --border: #2e2e2b;
    --text-primary: #f0efec;
    --text-secondary: #c3c2b7;
    --text-muted: #8f8e86;
    --grid: #2a2a27;
    --axis: #4a4a45;
    --strom: #3987e5;
    --oel: #d95926;
    --wasser: #199e70;
    --akzent: #3987e5;
  }
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--bg); color: var(--text-primary); }
header { background: var(--surface-1); border-bottom: 1px solid var(--border); padding: 12px 20px 0; position: sticky; top: 0; z-index: 5; }
.titel { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
h1 { font-size: 18px; margin: 0 0 8px; }
h2 { font-size: 15px; margin: 0 0 2px; }
h3 { font-size: 14px; margin: 0 0 8px; }
nav { display: flex; gap: 2px; overflow-x: auto; }
nav button { background: none; border: 0; border-bottom: 2px solid transparent; padding: 8px 12px; color: var(--text-secondary); font: inherit; cursor: pointer; white-space: nowrap; }
nav button.aktiv { color: var(--text-primary); border-bottom-color: var(--akzent); font-weight: 600; }
main { max-width: 1200px; margin: 0 auto; padding: 16px 20px 40px; }
.tab { display: none; } .tab.aktiv { display: block; }
.karte { background: var(--surface-1); border: 1px solid var(--border); border-radius: 10px; padding: 16px; margin-bottom: 16px; }
.zwei { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.zwei > .karte { margin-bottom: 16px; min-width: 0; }
@media (max-width: 860px) { .zwei { grid-template-columns: 1fr; } }
.sub, .muted { color: var(--text-muted); font-size: 12.5px; margin: 0 0 10px; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin-bottom: 16px; }
.kpi { background: var(--surface-1); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; }
.kpi .lbl { color: var(--text-secondary); font-size: 12.5px; display: flex; align-items: center; gap: 6px; }
.kpi .lbl i { width: 8px; height: 8px; border-radius: 2px; display: inline-block; }
.kpi .wert { font-size: 26px; font-weight: 600; margin: 4px 0 2px; font-variant-numeric: tabular-nums; }
.kpi .wert small { font-size: 14px; font-weight: 400; color: var(--text-secondary); }
.kpi .delta { font-size: 12.5px; color: var(--text-secondary); }
.auf::before { content: "▲ "; } .ab::before { content: "▼ "; }
.auf, .ab { font-weight: 600; color: var(--text-primary); }
svg.viz { display: block; overflow: visible; }
svg.viz .grid { stroke: var(--grid); stroke-width: 1; }
svg.viz .axis { stroke: var(--axis); stroke-width: 1; }
svg.viz .tick { fill: var(--text-muted); font-size: 11px; font-variant-numeric: tabular-nums; }
svg.viz .hit { fill: transparent; }
svg.viz .hit:hover { fill: color-mix(in srgb, var(--text-primary) 4%, transparent); }
svg.viz .cross { stroke: var(--axis); stroke-width: 1; pointer-events: none; }
svg.viz .event { stroke: var(--text-muted); stroke-width: 1; stroke-dasharray: 3 3; }
svg.viz .eventlbl { fill: var(--text-muted); font-size: 10.5px; }
svg.viz .marker { stroke: var(--surface-1); stroke-width: 2; }
.viz-legend { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; color: var(--text-secondary); font-size: 12.5px; }
.viz-legend i, .viz-tip i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 6px; vertical-align: -1px; }
.viz-tip { position: fixed; display: none; z-index: 50; background: var(--surface-1); color: var(--text-primary); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; font-size: 12.5px; box-shadow: 0 4px 16px rgba(0,0,0,.12); pointer-events: none; min-width: 160px; }
.viz-tip h4 { margin: 0 0 4px; font-size: 12.5px; }
.viz-tip div { display: flex; align-items: center; gap: 4px; }
.viz-tip b { margin-left: auto; padding-left: 12px; font-variant-numeric: tabular-nums; }
.viz-tip .sum { border-top: 1px solid var(--border); margin-top: 4px; padding-top: 4px; }
table { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; }
th, td { padding: 6px 8px; border-bottom: 1px solid var(--border); text-align: right; white-space: nowrap; }
th { color: var(--text-secondary); font-weight: 600; font-size: 12.5px; }
th:first-child, td:first-child, td.l, th.l { text-align: left; }
tr.teil td { color: var(--text-muted); }
.scroll { overflow-x: auto; }
.formular { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 10px 14px; margin-top: 14px; }
.formular h3, .formular .breit, .formular fieldset, .formular .knoepfe { grid-column: 1 / -1; }
.formular fieldset { border: 1px solid var(--border); border-radius: 8px; display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 10px 14px; padding: 10px 12px 12px; }
.formular legend { color: var(--text-secondary); padding: 0 4px; }
label { display: flex; flex-direction: column; gap: 3px; font-size: 12.5px; color: var(--text-secondary); }
input { font: inherit; padding: 6px 8px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); color: var(--text-primary); }
button { font: inherit; padding: 7px 14px; border-radius: 6px; border: 1px solid var(--akzent); background: var(--akzent); color: #fff; cursor: pointer; }
button.sekundaer, button.klein { background: transparent; color: var(--text-primary); border-color: var(--border); }
button.klein { padding: 2px 8px; font-size: 12px; }
.knoepfe { display: flex; gap: 8px; }
.hinweis:empty { display: none; }
.hinweis { background: var(--surface-1); border: 1px solid var(--border); border-left: 4px solid var(--akzent); border-radius: 8px; padding: 12px 14px; margin-bottom: 16px; }
.status-ok::before { content: "● "; color: var(--good); } .status-fehler::before { content: "● "; color: var(--critical); }
.leer { color: var(--text-muted); }
footer { text-align: center; padding: 10px; }
a { color: var(--akzent); }
code { font-size: 12px; }
select { font: inherit; padding: 6px 8px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); color: var(--text-primary); }
[id^="t-"] { overflow-x: auto; }
@media (max-width: 600px) {
  header { padding: 8px 12px 0; }
  h1 { font-size: 16px; }
  main { padding: 10px 10px 30px; }
  .karte { padding: 12px; border-radius: 8px; }
  .kpis { grid-template-columns: 1fr 1fr; gap: 8px; }
  .kpi { padding: 10px 12px; }
  .kpi .wert { font-size: 20px; }
  th, td { padding: 5px 6px; font-size: 12.5px; }
  .formular { grid-template-columns: 1fr; }
}