[hidden] { display: none !important; }
:root {
  --bg: #f4f5f2; --card: #ffffff; --ink: #1d2125; --muted: #66707a; --line: #e2e5e0;
  --pv: #e8a317; --home: #3b7dd8; --grid: #7a8590; --gridin: #d4553f; --bat: #2f9e6b; --car: #8a5cd6;
  --ok: #2f9e6b; --warn: #d98a1c; --bad: #d4553f; --accent: #2a6fdb;
  --chip: #eef0ec; --shadow: 0 1px 2px rgba(0,0,0,.05), 0 4px 16px rgba(0,0,0,.04);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171a; --card: #1d2125; --ink: #e8eaec; --muted: #9aa3ab; --line: #2c3237;
    --pv: #f2b33d; --home: #5c9bf0; --grid: #8f99a3; --gridin: #ec6f59; --bat: #3fbf85; --car: #a57ff0;
    --chip: #262b30; --shadow: none; --accent: #5c9bf0;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  padding-bottom: calc(72px + env(safe-area-inset-bottom));
}
h1, h2, h3 { margin: 0; font-weight: 650; letter-spacing: -.01em; }
h1 { font-size: 24px; }
h2 { font-size: 16px; }
.sub { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.top {
  display: flex; align-items: center; justify-content: space-between;
  padding: calc(14px + env(safe-area-inset-top)) 16px 8px; max-width: 760px; margin: 0 auto;
}
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--muted); }
.dot.ok { background: var(--ok); } .dot.bad { background: var(--bad); }
main { max-width: 760px; margin: 0 auto; padding: 0 16px; display: grid; gap: 12px; }
@media (min-width: 720px) { main.two { grid-template-columns: 1fr 1fr; } main.two > .wide { grid-column: 1 / -1; } }
.card { background: var(--card); border-radius: 16px; padding: 14px 16px; box-shadow: var(--shadow); border: 1px solid var(--line); min-width: 0; }
.card h2 { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.card .lead { font-size: 17px; font-weight: 600; margin: 2px 0 4px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.banner {
  max-width: 728px; margin: 0 auto 10px; padding: 10px 14px; border-radius: 12px; font-size: 13px;
  background: color-mix(in srgb, var(--warn) 16%, var(--card)); border: 1px solid color-mix(in srgb, var(--warn) 40%, transparent);
}
@media (max-width: 760px) { .banner { margin: 0 16px 10px; } }
.badge { font-size: 12px; font-weight: 600; padding: 2px 8px; border-radius: 99px; background: var(--chip); color: var(--muted); white-space: nowrap; }
.badge.ok { background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.badge.warn { background: color-mix(in srgb, var(--warn) 20%, transparent); color: var(--warn); }
.badge.bad { background: color-mix(in srgb, var(--bad) 18%, transparent); color: var(--bad); }
.badge.info { background: color-mix(in srgb, var(--accent) 16%, transparent); color: var(--accent); }
.right { margin-left: auto; }

/* Energiefluss */
.flow { width: 100%; max-width: 420px; height: auto; display: block; margin: 0 auto; }
.flow .node circle { fill: var(--card); stroke-width: 2.5; }
.flow .node .v { font-size: 15px; font-weight: 650; fill: var(--ink); text-anchor: middle; }
.flow .node .l { font-size: 12px; paint-order: stroke; stroke: var(--card); stroke-width: 6px; fill: var(--muted); text-anchor: middle; }
.flow path.link { fill: none; stroke: var(--line); stroke-width: 3; }
.flow path.live { fill: none; stroke-width: 3; stroke-dasharray: 4 8; stroke-linecap: round; animation: dash 1s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -12; } }
@media (prefers-reduced-motion: reduce) { .flow path.live { animation: none; } }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.chip { background: var(--chip); border-radius: 99px; padding: 3px 10px; font-size: 12px; }
.chip b { font-weight: 650; }

/* Kennzahlen */
.tiles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.tile { background: var(--chip); border-radius: 12px; padding: 8px 10px; min-width: 0; }
.tile .k { font-size: 11px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tile .n { font-size: 17px; font-weight: 650; }
.tile .n small { font-size: 11px; font-weight: 500; color: var(--muted); }
.bar { height: 8px; border-radius: 99px; background: var(--chip); overflow: hidden; margin: 6px 0 2px; }
.bar > span { display: block; height: 100%; background: var(--bat); border-radius: 99px; }
dl.kv { display: grid; grid-template-columns: auto 1fr; gap: 3px 12px; margin: 8px 0 0; font-size: 13px; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; text-align: right; }

/* Bedienelemente */
.btn { text-decoration: none; display: inline-flex; align-items: center; justify-content: center;
  appearance: none; border: 1px solid var(--line); background: var(--card); color: var(--ink);
  border-radius: 12px; padding: 10px 14px; font: inherit; font-weight: 600; cursor: pointer; min-height: 44px;
}
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.ghost { background: transparent; }
.btn:disabled { opacity: .5; cursor: default; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 10px; }
.seg { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; background: var(--chip); border-radius: 12px; padding: 3px; gap: 3px; }
.seg button { border: 0; background: transparent; color: var(--ink); font: inherit; font-weight: 600; padding: 9px 4px; border-radius: 9px; min-height: 40px; cursor: pointer; }
.seg button.on { background: var(--card); box-shadow: 0 1px 3px rgba(0,0,0,.12); }
label.f { display: block; font-size: 13px; color: var(--muted); margin: 12px 0 4px; }
input[type=range] { width: 100%; accent-color: var(--accent); }
input[type=time], input[type=password], input[type=date] {
  font: inherit; color: var(--ink); background: var(--chip); border: 1px solid var(--line); border-radius: 10px; padding: 9px 10px; min-height: 44px;
}
.big { font-size: 28px; font-weight: 700; }
.split { display: flex; height: 14px; border-radius: 99px; overflow: hidden; background: var(--chip); margin: 8px 0 4px; }
.split .pv { background: var(--pv); } .split .gr { background: var(--gridin); }
.legend { display: flex; gap: 12px; flex-wrap: wrap; font-size: 12px; color: var(--muted); }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 4px; vertical-align: -1px; }

/* Diagramme */
.chart { width: 100%; height: auto; display: block; }
.chart text { font-size: 10px; fill: var(--muted); }
.chart .axis { stroke: var(--line); }

.login { max-width: 420px; margin: 40px auto; padding: 0 16px; }
.login form { display: grid; gap: 10px; margin-top: 14px; }
.err { color: var(--bad); }

.tabs {
  position: fixed; left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: repeat(4, 1fr);
  background: color-mix(in srgb, var(--card) 92%, transparent); backdrop-filter: blur(12px);
  border-top: 1px solid var(--line); padding-bottom: env(safe-area-inset-bottom);
}
.tabs a { display: grid; justify-items: center; gap: 2px; padding: 8px 0 6px; font-size: 11px; color: var(--muted); text-decoration: none; }
.tabs a svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.tabs a.on { color: var(--accent); }
.dev { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-top: 1px solid var(--line); }
.dev:first-of-type { border-top: 0; }
.dev .name { flex: 1; min-width: 0; }
.dev .val { font-weight: 600; white-space: nowrap; }
.wk { padding: 10px 0; border-top: 1px solid var(--line); }
.days { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.day { border: 1px solid var(--line); background: var(--card); color: var(--muted); border-radius: 8px; padding: 7px 0; font: inherit; font-size: 13px; font-weight: 600; cursor: pointer; min-height: 36px; }
.day.on { background: var(--accent); border-color: var(--accent); color: #fff; }
input[type=number] { font: inherit; color: var(--ink); background: var(--chip); border: 1px solid var(--line); border-radius: 10px; padding: 9px 10px; min-height: 44px; width: 5.5em; }
.btn.small { min-height: 40px; padding: 8px 10px; font-size: 13px; }