:root {
  --bg: #0f1216;
  --panel: #161b22;
  --panel-2: #1c2430;
  --border: #263041;
  --text: #e6edf3;
  --muted: #8b98a9;
  --up: #2ecc71;
  --down: #ff4d4f;
  --warn: #f0a500;
  --accent: #4c8dff;
  --radius: 10px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f6f9; --panel: #fff; --panel-2: #f7f9fc; --border: #dfe5ee;
    --text: #16202c; --muted: #64748b;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

header {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 18px 24px; border-bottom: 1px solid var(--border);
  background: var(--panel); position: sticky; top: 0; z-index: 10;
}
header h1 { font-size: 17px; margin: 0; font-weight: 650; letter-spacing: -.2px; }
header .spacer { flex: 1; }
header .meta { color: var(--muted); font-size: 12.5px; }

button {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; padding: 7px 13px; font-size: 13px; cursor: pointer;
}
button:hover { border-color: var(--accent); }
button[disabled] { opacity: .55; cursor: default; }

main { padding: 22px 24px 60px; max-width: 1500px; margin: 0 auto; }

.tiles {
  display: grid; gap: 14px; margin-bottom: 26px;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}
.tile {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 15px 17px;
}
.tile .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }
.tile .value { font-size: 25px; font-weight: 650; margin-top: 5px; letter-spacing: -.5px; }
.tile .sub { color: var(--muted); font-size: 12.5px; margin-top: 3px; }

section {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); margin-bottom: 20px; overflow: hidden;
}
section > h2 {
  font-size: 14px; margin: 0; padding: 13px 17px;
  border-bottom: 1px solid var(--border); font-weight: 600;
  display: flex; align-items: center; gap: 10px;
}
section > h2 .count { color: var(--muted); font-weight: 400; }
.section-body { padding: 4px 0; }
.pad { padding: 14px 17px; }

.scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  text-align: left; color: var(--muted); font-weight: 500; font-size: 11.5px;
  text-transform: uppercase; letter-spacing: .4px;
  padding: 9px 17px; border-bottom: 1px solid var(--border); white-space: nowrap;
}
td { padding: 10px 17px; border-bottom: 1px solid var(--border); white-space: nowrap; }
tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--panel-2); }
td.wrap, th.wrap { white-space: normal; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12.5px; }
.muted { color: var(--muted); }

/* Pulsierender Status-Punkt: gruen = erreichbar, rot = nicht erreichbar. */
.dot {
  display: inline-block; width: 9px; height: 9px; border-radius: 50%;
  background: var(--muted); margin-right: 8px; vertical-align: middle;
  position: relative; flex: none;
}
.dot.up { background: var(--up); animation: pulse-up 1.8s ease-out infinite; }
.dot.down { background: var(--down); animation: pulse-down 1.1s ease-out infinite; }
.dot.unknown { background: var(--warn); }

@keyframes pulse-up {
  0%   { box-shadow: 0 0 0 0 rgba(46, 204, 113, .65); }
  70%  { box-shadow: 0 0 0 9px rgba(46, 204, 113, 0); }
  100% { box-shadow: 0 0 0 0 rgba(46, 204, 113, 0); }
}
@keyframes pulse-down {
  0%   { box-shadow: 0 0 0 0 rgba(255, 77, 79, .75); }
  70%  { box-shadow: 0 0 0 9px rgba(255, 77, 79, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 77, 79, 0); }
}
@media (prefers-reduced-motion: reduce) {
  .dot.up, .dot.down { animation: none; }
}

.status-cell { display: flex; align-items: center; }

.badge {
  display: inline-block; padding: 2px 8px; border-radius: 20px; font-size: 11.5px;
  border: 1px solid var(--border); background: var(--panel-2); color: var(--muted);
}
.badge.ok { color: var(--up); border-color: rgba(46,204,113,.35); }
.badge.bad { color: var(--down); border-color: rgba(255,77,79,.35); }
.badge.warn { color: var(--warn); border-color: rgba(240,165,0,.35); }

.bar { background: var(--panel-2); border-radius: 6px; height: 8px; overflow: hidden; min-width: 140px; }
.bar > span { display: block; height: 100%; background: var(--accent); border-radius: 6px; }
.bar > span.warn { background: var(--warn); }
.bar > span.bad { background: var(--down); }

.error {
  margin: 12px 17px; padding: 10px 13px; border-radius: 8px;
  background: rgba(255, 77, 79, .09); border: 1px solid rgba(255, 77, 79, .3);
  color: var(--down); font-size: 13px;
}
.note {
  margin: 10px 17px; padding: 9px 12px; border-radius: 8px;
  background: rgba(240,165,0,.08); border: 1px solid rgba(240,165,0,.28);
  color: var(--warn); font-size: 12.5px;
}
.empty { padding: 16px 17px; color: var(--muted); font-size: 13px; }
.grid-2 { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(330px, 1fr)); }

/* --- Auslastung: klickbare Serverzeile + aufklappbare Detailansicht --- */
tr.clickable { cursor: pointer; }
tr.clickable:hover { background: var(--panel-2); }
tr.clickable.open { background: var(--panel-2); }
.chev { color: var(--muted); font-size: 11px; display: inline-block; width: 10px; }

tr.detail > td { background: var(--panel-2); padding: 14px 17px 18px; }
.detail-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.detail-head .spacer { flex: 1; }

.ranges { display: inline-flex; gap: 4px; }
button.range {
  padding: 3px 10px; font-size: 12px; border-radius: 6px;
  background: var(--panel); border: 1px solid var(--border); color: var(--muted);
}
button.range.active { color: var(--text); border-color: var(--accent); }

.chart { margin-bottom: 16px; }
.chart:last-of-type { margin-bottom: 6px; }
.chart-head { display: flex; justify-content: space-between; font-size: 12.5px; margin-bottom: 4px; }
.chart svg {
  width: 100%; height: 90px; display: block;
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
}
.spark-axis { stroke: var(--border); stroke-width: 1; vector-effect: non-scaling-stroke; }
.chart polyline {
  fill: none; stroke-width: 1.5; vector-effect: non-scaling-stroke;
  stroke-linejoin: round; stroke-linecap: round;
}
.chart polyline.spark-0 { stroke: var(--accent); }
.chart polyline.spark-1 { stroke: var(--warn); }
.chart .spark-fill { fill: color-mix(in srgb, var(--accent) 16%, transparent); stroke: none; }

.chart-legend { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 6px; font-size: 12.5px; }
.legend { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 9px; height: 3px; border-radius: 2px; display: inline-block; }
.legend i.key-0 { background: var(--accent); }
.legend i.key-1 { background: var(--warn); }
.legend b { font-weight: 600; }
.chart-note { font-size: 12px; margin-top: 4px; }

/* Abmelden sitzt im Header neben "Neu laden" und soll dort nicht auffallen. */
header .logout { margin: 0; display: inline-flex; }