:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #6f6d68;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #2a78d6;
  --accent-track: #cde2fb;
  --good: #0ca30c;
  --warning: #fab219;
  --critical: #d03b3b;
  --wash-critical: rgba(208, 59, 59, 0.09);
  --wash-warning: rgba(250, 178, 25, 0.14);
  --wash-good: rgba(12, 163, 12, 0.08);
  --series: #2a78d6;
  --radius: 12px;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --ink: #f0efec;
    --ink-2: #c3c2b7;
    --muted: #9b9992;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --accent: #3987e5;
    --accent-track: #104281;
    --wash-critical: rgba(208, 59, 59, 0.20);
    --wash-warning: rgba(250, 178, 25, 0.14);
    --wash-good: rgba(12, 163, 12, 0.14);
    --series: #3987e5;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif;
  padding-bottom: calc(72px + env(safe-area-inset-bottom));
}

a { color: inherit; }
h1, h2, h3, p { margin: 0; }
[hidden] { display: none !important; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px max(16px, calc((100vw - 1180px) / 2));
  padding-top: calc(12px + env(safe-area-inset-top));
  background: var(--page);
  border-bottom: 1px solid var(--border);
}

.brand { font-weight: 650; text-decoration: none; }

.nav { display: flex; gap: 4px; }

.nav a {
  padding: 6px 12px;
  border-radius: 8px;
  color: var(--ink-2);
  text-decoration: none;
}
.nav a:hover { background: var(--border); }
.nav a.active { color: var(--ink); background: var(--border); font-weight: 600; }

/* Auf dem Telefon liegt die Navigation unten, in Reichweite des Daumens. */
@media (max-width: 720px) {
  .topbar { padding-bottom: 10px; }
  .nav {
    position: fixed;
    inset: auto 0 0 0;
    justify-content: space-around;
    padding: 6px 8px calc(6px + env(safe-area-inset-bottom));
    background: var(--surface);
    border-top: 1px solid var(--border);
  }
  .nav a { flex: 1; text-align: center; padding: 10px 4px; font-size: 14px; }
}

@media (min-width: 721px) { body { padding-bottom: 32px; } }

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 16px;
  display: grid;
  gap: 24px;
}

.loading { padding: 40px 0; text-align: center; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

.offline {
  padding: 10px 16px;
  background: var(--critical);
  color: #fff;
  font-weight: 600;
  text-align: center;
}

section > h2 {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
  margin-bottom: 10px;
}

.grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
}

.card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  text-decoration: none;
  min-width: 0;
}
a.card:hover { border-color: var(--axis); }
a.card:focus-visible, button:focus-visible, .chart svg:focus-visible, .chip:focus-visible, .nav a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.card.is-crit { border-color: var(--critical); }
.card.is-warn { border-color: var(--warning); }
.card.is-stale .card-body { opacity: 0.5; }

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}
.card-head h3 { font-size: 16px; font-weight: 600; overflow-wrap: anywhere; }

/* Der Zustand wird immer mit Symbol und Wort gezeigt, nie nur über die Farbe. */
.status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: none;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}
.status i {
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  font: 700 12px/1 system-ui, sans-serif;
  color: #fff;
  background: var(--muted);
}
.status.ok i { background: var(--good); }
.status.warn i { background: var(--warning); color: #0b0b0b; }
.status.crit i { background: var(--critical); }

.hero {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  border-radius: var(--radius);
  background: var(--wash-good);
  border: 1px solid var(--border);
}
.hero.warn { background: var(--wash-warning); }
.hero.crit { background: var(--wash-critical); }
.hero .status i { width: 36px; height: 36px; font-size: 20px; }
.hero h1 { font-size: 22px; font-weight: 650; line-height: 1.2; }

.problems { display: grid; gap: 8px; }
.problem {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 12px;
  align-items: start;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-decoration: none;
}
.problem:hover { border-color: var(--axis); }
.problem strong { font-weight: 600; overflow-wrap: anywhere; }
.problem .msg, .problem .when { grid-column: 2; overflow-wrap: anywhere; }
.problem .msg { color: var(--ink-2); }
.problem .when { color: var(--muted); font-size: 13px; }
.problem .status { grid-row: span 3; }

.rows { display: grid; gap: 8px; }
.row {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}
.row .status i { width: 16px; height: 16px; font-size: 10px; }
.row .label { font-weight: 500; }
.row .msg { color: var(--ink-2); font-size: 13px; overflow-wrap: anywhere; }

.meter { display: grid; gap: 4px; }
.meter + .meter { margin-top: 10px; }
.meter-top { display: flex; justify-content: space-between; gap: 10px; font-size: 13px; }
.meter-top span:first-child { color: var(--ink-2); overflow-wrap: anywhere; }
.meter-top span:last-child { font-variant-numeric: tabular-nums; font-weight: 600; flex: none; }
.meter-track { height: 8px; border-radius: 4px; background: var(--accent-track); overflow: hidden; }
.meter-fill { height: 100%; border-radius: 4px; background: var(--accent); }
.meter-fill.warn { background: var(--warning); }
.meter-fill.crit { background: var(--critical); }
.meter-track:has(.warn), .meter-track:has(.crit) { background: var(--grid); }

.block { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--grid); }
.block h4 { margin: 0 0 8px; font-size: 13px; font-weight: 600; color: var(--ink-2); }

.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.stat b { display: block; font-size: 18px; font-weight: 600; line-height: 1.25; }
.stat span { font-size: 12px; color: var(--muted); }

.db { display: flex; justify-content: space-between; gap: 12px; font-size: 13px; }
.db + .db { margin-top: 6px; }
.db-name { display: flex; align-items: center; gap: 8px; font-weight: 500; min-width: 0; overflow-wrap: anywhere; }
.db-name .status i { width: 16px; height: 16px; font-size: 10px; }
.db-meta { color: var(--ink-2); text-align: right; font-variant-numeric: tabular-nums; }
.db-error { color: var(--ink-2); font-size: 13px; margin: 2px 0 0 24px; overflow-wrap: anywhere; }

.foot { margin-top: 12px; font-size: 12px; color: var(--muted); overflow-wrap: anywhere; }

.spark { margin-top: 12px; }
.spark svg { display: block; width: 100%; height: 36px; }
.spark-cap { display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); }

.back { color: var(--ink-2); text-decoration: none; font-size: 14px; }
.back:hover { text-decoration: underline; }
.detail-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 6px; }
.detail-head h1 { font-size: 22px; font-weight: 650; overflow-wrap: anywhere; }

.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink-2);
  border-radius: 8px;
  padding: 7px 12px;
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  min-height: 36px;
}
.chip:hover { border-color: var(--axis); }
.chip[aria-pressed="true"] { color: var(--ink); font-weight: 600; border-color: var(--ink-2); }

.charts { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 420px), 1fr)); }
.chart-card h3 { font-size: 14px; font-weight: 600; margin-bottom: 8px; overflow-wrap: anywhere; }
.chart { position: relative; min-height: 180px; }
.chart.reloading { opacity: 0.6; }
.chart svg { display: block; width: 100%; height: 180px; touch-action: pan-y; }
.chart .empty { display: grid; place-items: center; height: 180px; color: var(--muted); font-size: 14px; }
.tick { font-size: 11px; fill: var(--muted); font-variant-numeric: tabular-nums; }
.tooltip {
  position: absolute;
  top: 4px;
  pointer-events: none;
  background: var(--surface);
  border: 1px solid var(--axis);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 12px;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}
.tooltip b { display: block; font-size: 14px; font-weight: 650; }
.tooltip span { color: var(--ink-2); }

details.data { margin-top: 8px; font-size: 13px; }
details.data summary { cursor: pointer; color: var(--muted); }
table { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 5px 8px 5px 0; border-bottom: 1px solid var(--grid); vertical-align: top; }
th { font-weight: 600; color: var(--ink-2); font-size: 13px; }
td.num, th.num { text-align: right; padding-right: 0; }

.events { display: grid; gap: 0; }
.event {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--grid);
}
.event:last-child { border-bottom: 0; }
.event .status i { width: 16px; height: 16px; font-size: 10px; }
.event strong { font-weight: 600; overflow-wrap: anywhere; }
.event .msg { color: var(--ink-2); font-size: 13px; overflow-wrap: anywhere; }
.event time { color: var(--muted); font-size: 12px; }

.login { max-width: 400px; margin: 6vh auto 0; width: 100%; }
.login h1 { font-size: 22px; font-weight: 650; margin-bottom: 14px; }
.login p { margin-bottom: 12px; }
.login .hint { margin: 16px 0 4px; }
label { display: block; font-size: 13px; color: var(--ink-2); margin: 12px 0 4px; }
.label-like { font-size: 13px; color: var(--ink-2); margin: 14px 0 6px; font-weight: 600; }
input:not([type="checkbox"]):not([type="radio"]), select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--axis);
  border-radius: 8px;
  background: var(--page);
  color: var(--ink);
  font: inherit;
  font-size: 16px;
  min-height: 44px;
}
input[readonly] { color: var(--muted); }
input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.code-input { font-variant-numeric: tabular-nums; letter-spacing: 0.15em; font-size: 20px !important; }
input[type="checkbox"], input[type="radio"] { width: 18px; height: 18px; accent-color: var(--accent); flex: none; margin: 0; }
label.check { display: flex; align-items: center; gap: 10px; color: var(--ink); font-size: 15px; margin: 10px 0 0; cursor: pointer; }
fieldset { border: 0; padding: 0; margin: 16px 0 0; min-width: 0; }
fieldset[disabled] { opacity: 0.6; }
legend { font-weight: 600; font-size: 14px; padding: 0; margin-bottom: 2px; }
.warn-box { background: var(--wash-warning); border: 1px solid var(--warning); border-radius: 8px; padding: 10px 12px; font-size: 14px; }
.link { background: none; border: 0; padding: 6px 0; color: var(--accent); font: inherit; font-size: 14px; cursor: pointer; text-decoration: underline; }
a { text-underline-offset: 2px; }

.setup fieldset { border-top: 1px solid var(--grid); padding-top: 14px; }
.qr { width: 196px; max-width: 100%; margin: 10px 0; padding: 8px; background: #fff; border-radius: 8px; }
.qr svg { display: block; width: 100%; height: auto; }
.secret-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
code, .secret { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; }
.secret { font-size: 15px; background: var(--page); border: 1px solid var(--border); border-radius: 6px; padding: 6px 8px; overflow-wrap: anywhere; user-select: all; }
.secret-block { margin-top: 12px; }
.secret-block .small { display: block; margin-bottom: 4px; }
.small-btn { min-height: 34px; padding: 6px 12px; font-size: 14px; }
.codes { columns: 2; gap: 16px; padding-left: 22px; margin: 4px 0 12px; font-size: 15px; }
.codes li { margin: 3px 0; }
.btn {
  border: 0;
  border-radius: 8px;
  padding: 10px 16px;
  min-height: 42px;
  font: inherit;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}
.btn:hover { filter: brightness(1.08); }
.btn:disabled { opacity: 0.55; cursor: default; }
.btn.secondary { background: transparent; color: var(--ink); border: 1px solid var(--axis); }
.btn.danger { background: transparent; color: var(--critical); border: 1px solid var(--critical); }
.login .btn { width: 100%; margin-top: 16px; }
.login .btn.small-btn { width: auto; margin-top: 0; }
.error { color: var(--critical); font-size: 14px; margin-top: 10px; font-weight: 500; }
.error:empty, .result:empty { display: none; }
.result { font-size: 14px; margin-top: 8px; color: var(--ink-2); }
.settings { display: grid; gap: 12px; max-width: 640px; }
.settings h2 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.settings h3 { font-size: 14px; font-weight: 600; margin: 16px 0 4px; }
.settings p { color: var(--ink-2); margin-bottom: 12px; }
.sub-form { border-top: 1px solid var(--grid); margin-top: 16px; }
.sub-form .actions { margin-top: 12px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.result-list { margin: 12px 0 0; padding: 0; list-style: none; font-size: 14px; display: grid; gap: 4px; }

/* Wer angemeldet ist */
.who { margin-left: auto; font-size: 13px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }

/* Umschalter und Kundenfilter über der Übersicht */
.view-bar { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; justify-content: space-between; }
.segmented { display: flex; gap: 6px; flex-wrap: wrap; }
.inline-select { display: flex; align-items: center; gap: 8px; margin: 0; font-size: 14px; color: var(--ink-2); }
.inline-select select { width: auto; min-width: 180px; max-width: 100%; min-height: 36px; padding: 6px 10px; font-size: 14px; }

.card-title { min-width: 0; }
.owners { font-size: 12px; color: var(--muted); margin-top: 2px; overflow-wrap: anywhere; }
.detail-admin { display: flex; gap: 12px; align-items: baseline; flex-wrap: wrap; margin-top: 6px; }
.detail-admin .owners { margin: 0; font-size: 13px; }

/* Ansicht nach Kategorie */
.cat-head { display: flex; align-items: center; gap: 8px; }
.cat-head .status i { width: 16px; height: 16px; font-size: 10px; }
.cat-card { padding: 6px 16px; }
.cat-card .rows { gap: 0; }
.cat-row { padding: 10px 0; text-decoration: none; border-bottom: 1px solid var(--grid); }
.cat-row:last-child { border-bottom: 0; }
.cat-row:hover .label { text-decoration: underline; }
.table-wrap { overflow-x: auto; }
.cat-card .table-wrap { margin: 8px 0 10px; }

/* Verwaltung */
.page-title { font-size: 22px; font-weight: 650; }
.admin { display: grid; gap: 14px; }
a.chip { text-decoration: none; display: inline-flex; align-items: center; }
a.chip[aria-current="page"] { color: var(--ink); font-weight: 600; border-color: var(--ink-2); }
.toolbar { display: flex; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.toolbar p { flex: 1 1 260px; }
.list { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.list-row {
  display: flex; align-items: center; gap: 12px; width: 100%; text-align: left;
  padding: 12px 16px; background: none; border: 0; border-bottom: 1px solid var(--grid);
  color: inherit; font: inherit; cursor: pointer; min-height: 56px;
}
.list-row:last-child { border-bottom: 0; }
.list-row:hover { background: var(--page); }
.list-row:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.list-main { display: grid; gap: 2px; min-width: 0; flex: 1; }
.list-main strong { font-weight: 600; overflow-wrap: anywhere; }
.list-main .small { overflow-wrap: anywhere; }
.chev { color: var(--muted); font-size: 20px; }
.badge { display: inline-block; font-size: 12px; font-weight: 600; padding: 1px 8px; border-radius: 999px; border: 1px solid var(--axis); color: var(--ink-2); justify-self: start; }

.dialog {
  width: min(560px, calc(100vw - 24px));
  max-height: calc(100dvh - 24px);
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}
.dialog::backdrop { background: rgba(0, 0, 0, 0.45); }
.dialog form { display: flex; flex-direction: column; max-height: calc(100dvh - 26px); }
.dialog header { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--grid); }
.dialog h2 { font-size: 17px; font-weight: 650; }
.dialog-body { padding: 4px 16px 16px; overflow-y: auto; }
.dialog-body > p:first-child { margin-top: 12px; }
.dialog .error { padding: 0 16px; }
.dialog footer { display: flex; gap: 8px; flex-wrap: wrap; padding: 12px 16px; border-top: 1px solid var(--grid); }
.dialog footer .spacer { flex: 1; }
.icon-btn { background: none; border: 0; color: var(--ink-2); font-size: 16px; width: 36px; height: 36px; border-radius: 8px; cursor: pointer; flex: none; }
.icon-btn:hover { background: var(--border); }
.checks { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 0 12px; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
@media (max-width: 520px) { .two { grid-template-columns: 1fr; } }
.kv-row { display: grid; grid-template-columns: 1fr 1.4fr auto; gap: 6px; margin-bottom: 6px; }
details.thresholds { margin-top: 16px; }
details.thresholds summary { cursor: pointer; font-weight: 600; font-size: 14px; }
details.thresholds p { margin: 6px 0; }
.th-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) 1fr 1fr; gap: 6px 8px; align-items: center; }
.th-label { font-size: 14px; }