:root {
  --grund: #f3f5f4; --flaeche: #ffffff; --text: #17201d; --leise: #5d6b66; --linie: #dde3e0;
  --akzent: #1f6f5c; --akzent-text: #ffffff; --an: #e8a317; --an-grund: #fff6dc; --warn: #b3261e;
  --schatten: 0 1px 2px rgba(0,0,0,.06), 0 4px 14px rgba(0,0,0,.05);
}
@media (prefers-color-scheme: dark) {
  :root {
    --grund: #101614; --flaeche: #1a2320; --text: #e9efec; --leise: #9aa8a2; --linie: #2b3632;
    --akzent: #4fb79c; --akzent-text: #08110e; --an: #f2b63a; --an-grund: #3a3014; --warn: #ff8a80;
    --schatten: 0 1px 2px rgba(0,0,0,.4);
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--grund); color: var(--text);
  font: 16px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}
button, input { font: inherit; color: inherit; }
.lade { text-align: center; color: var(--leise); margin-top: 30vh; }

/* Kopf */
.kopf {
  position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; background: var(--grund); border-bottom: 1px solid var(--linie);
}
.kopf h1 { font-size: 20px; margin: 0; flex: 1; letter-spacing: .01em; }
.haus { font-size: 13px; color: var(--leise); display: flex; align-items: center; gap: 6px; }
.haus::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--warn); }
.haus.online::before { background: #2fa36b; }
.kopf button, .leiste button {
  background: none; border: 1px solid var(--linie); border-radius: 10px; padding: 7px 12px; cursor: pointer;
  white-space: nowrap; font-size: 14px;
}
@media (max-width: 520px) {
  .kopf { flex-wrap: wrap; row-gap: 4px; }
  .kopf .haus { order: 9; flex-basis: 100%; }
}
.reiter { display: flex; gap: 8px; padding: 10px 16px 0; overflow-x: auto; }
.reiter button {
  border: 0; background: none; padding: 8px 14px; border-radius: 999px; color: var(--leise);
  cursor: pointer; white-space: nowrap; font-weight: 600;
}
.reiter button.aktiv { background: var(--akzent); color: var(--akzent-text); }

/* Kacheln */
main { padding: 8px 16px 40px; max-width: 980px; margin: 0 auto; }
section h2 { font-size: 15px; text-transform: uppercase; letter-spacing: .06em; color: var(--leise); margin: 22px 0 10px; }
.gitter { display: grid; grid-template-columns: repeat(auto-fill, minmax(158px, 1fr)); gap: 10px; }
.kachel {
  background: var(--flaeche); border-radius: 16px; padding: 14px; box-shadow: var(--schatten);
  min-height: 92px; display: flex; flex-direction: column; justify-content: space-between; gap: 8px;
  border: 1px solid transparent; text-align: left;
}
button.kachel { cursor: pointer; width: 100%; }
button.kachel:active { transform: scale(.98); }
.kachel.breit { grid-column: span 2; }
.kachel .titel { font-size: 14px; color: var(--leise); }
.kachel .wert { font-size: 26px; font-weight: 650; line-height: 1.1; font-variant-numeric: tabular-nums; }
.kachel .wert small { font-size: 15px; font-weight: 500; color: var(--leise); margin-left: 3px; }
.kachel .neben { font-size: 13px; color: var(--leise); }
.kachel.an { background: var(--an-grund); border-color: var(--an); }
.kachel.an .wert { color: var(--an); }
.kachel.wartet { opacity: .55; pointer-events: none; }
.kachel.fehlt .wert { color: var(--leise); font-weight: 500; font-size: 18px; }
.tasten { display: flex; gap: 6px; }
.tasten button {
  flex: 1; border: 1px solid var(--linie); background: var(--grund); border-radius: 10px;
  padding: 9px 0; font-size: 17px; cursor: pointer;
}
.tasten button:active { background: var(--akzent); color: var(--akzent-text); }

/* Formulare */
.karte {
  max-width: 420px; margin: 8vh auto 0; background: var(--flaeche); border-radius: 20px;
  padding: 26px 22px; box-shadow: var(--schatten);
}
.karte.weit { max-width: 720px; margin-top: 18px; }
.karte h1 { margin: 0 0 4px; font-size: 26px; }
.karte p { color: var(--leise); margin: 6px 0 16px; }
label { display: block; font-size: 13px; color: var(--leise); margin: 12px 0 4px; }
input[type=text], input[type=password] {
  width: 100%; padding: 12px; border-radius: 12px; border: 1px solid var(--linie); background: var(--grund);
}
input:focus-visible, button:focus-visible { outline: 2px solid var(--akzent); outline-offset: 2px; }
.haupt {
  width: 100%; margin-top: 18px; padding: 13px; border: 0; border-radius: 12px; background: var(--akzent);
  color: var(--akzent-text); font-weight: 650; cursor: pointer;
}
.haupt:disabled { opacity: .6; }
.fehler { color: var(--warn); font-size: 14px; min-height: 20px; margin-top: 10px; }
.qr { display: block; width: 190px; height: 190px; margin: 6px auto; background: #fff; border-radius: 10px; padding: 8px; }
.geheim { font-family: ui-monospace, Menlo, Consolas, monospace; word-break: break-all; font-size: 14px;
  background: var(--grund); padding: 8px 10px; border-radius: 8px; user-select: all; }
ol.schritte { padding-left: 20px; color: var(--text); }
ol.schritte li { margin-bottom: 14px; }

/* Verwaltung */
.zeile { border-top: 1px solid var(--linie); padding: 12px 0; }
.zeile:first-of-type { border-top: 0; }
.zeile .kopfzeile { display: flex; justify-content: space-between; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.zeile .kopfzeile b { font-size: 16px; }
.marken { display: flex; gap: 6px; flex-wrap: wrap; margin: 8px 0; }
.marke { font-size: 13px; padding: 5px 10px; border-radius: 999px; border: 1px solid var(--linie); cursor: pointer; background: none; }
.marke.an { background: var(--akzent); color: var(--akzent-text); border-color: var(--akzent); }
.leiste { display: flex; gap: 6px; flex-wrap: wrap; }
.leiste button { font-size: 13px; padding: 6px 10px; }
.leiste button.gefahr { color: var(--warn); }
.link { background: var(--grund); padding: 10px; border-radius: 10px; word-break: break-all; font-size: 13px; user-select: all; margin: 8px 0; }
table.protokoll { width: 100%; border-collapse: collapse; font-size: 13px; }
table.protokoll td { padding: 5px 6px 5px 0; border-top: 1px solid var(--linie); vertical-align: top; }
.zwei { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

#meldung {
  position: fixed; left: 50%; bottom: calc(20px + env(safe-area-inset-bottom)); transform: translateX(-50%);
  background: var(--text); color: var(--grund); padding: 10px 16px; border-radius: 12px; font-size: 14px;
  opacity: 0; pointer-events: none; transition: opacity .2s; max-width: 90vw; text-align: center; z-index: 20;
}
#meldung.zeigen { opacity: 1; }
@media (max-width: 380px) { .gitter { grid-template-columns: 1fr 1fr; } }