/* ========== Grundlayout ========== */
*, *::before, *::after { box-sizing: border-box; }
:root {
  --gap: 1rem;
  --font: Ubuntu, Arial, sans-serif;
  --border: 1px solid #ccc;
  --bg-muted: #f0f0f0;
  --row-alt: #f9f9f9;
  --brand: rgb(49, 73, 129);
}
body {
  font-family: var(--font);
  margin: 2rem;
  line-height: 1.4;
  background: #fff;
  color: #222;
}

/* Navigation */
nav {
  color: var(--brand);
  text-align: left;
  margin-bottom: 1rem;
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
}
nav a {
  padding: .2em .4em;
  text-decoration: none;
  color: inherit;
  border-radius: .25rem;
}
nav a.aktiv {
  font-weight: 700;
  background: rgba(49,73,129,.08);
}

/* ========== Tabellen mit Scroll ========== */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 2rem;
  border-radius: .5rem;
  border: 1px solid #ddd;
  padding-bottom: 1em;
}
table {
  border-collapse: collapse;
  min-width: 700px;
  width: 100%;
}
tbody {
  overflow-y: hidden;
  height: 5em;
}
th, td, pre {
  border: var(--border);
  font-size: 12px;
  padding: 8px;
  text-align: left;
}
th, td {
  white-space: nowrap;
}
th, pre { background-color: var(--bg-muted); }
tr:nth-child(even) { background-color: var(--row-alt); }
pre {
  padding: .5em;
  color: #c00;
  margin-bottom: 2rem;
  overflow: hidden;
}

/* ========== Grafana-Container mit 3-Spalten-Flexbox ========== */
#grafana {
  
}
.grafana {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap);
  margin: 1.5rem 0;
  justify-content: flex-start;
  align-items: stretch;
}

.grafana iframe {
  flex: 0 0 calc(33.333% - 1rem);
  border: 0;
  border-radius: .5rem;
  background: #fff;
  box-shadow: 0 0 0 1px #e5e5e5;
  height: 350px;
}

/* Ab ~1100px: drei Spalten */
@media (max-width: 1000px) {
  .grafana iframe {
    flex: 0 0 calc(50% - 1rem); /* 2 Spalten */
  }
}

@media (max-width: 700px) {
  .grafana iframe {
    flex: 0 0 100%;            /* 1 Spalte */
  }
}