:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1b1f24;
  --muted: #647083;
  --border: #dde1e7;
  --accent: #2563eb;
  --accent-text: #ffffff;
  --up: #15803d;      --up-bg: #dcfce7;
  --down: #b91c1c;    --down-bg: #fee2e2;
  --late: #a16207;    --late-bg: #fef3c7;
  --new: #475569;     --new-bg: #e2e8f0;
  --paused: #6d28d9;  --paused-bg: #ede9fe;
  --maint: #0e7490;   --maint-bg: #cffafe;
  --code-bg: #0f172a; --code-text: #e2e8f0;
  --radius: 10px;
}
/* Design: "Auto" folgt dem Gerät, "Hell" und "Dunkel" (data-theme am <html>) erzwingen die Auswahl des Benutzers. */
:root { color-scheme: light; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0e1116;
    --surface: #161b22;
    --text: #e6edf3;
    --muted: #8b97a8;
    --border: #2a313c;
    --accent: #4c8dff;
    --accent-text: #0b1220;
    --up: #4ade80;      --up-bg: #12301e;
    --down: #f87171;    --down-bg: #3a1618;
    --late: #fbbf24;    --late-bg: #36290b;
    --new: #a5b1c2;     --new-bg: #232a35;
    --paused: #a78bfa;  --paused-bg: #2a2147;
    --maint: #22d3ee;   --maint-bg: #0c3440;
    --code-bg: #0b0f14; --code-text: #d5dde8;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0e1116;
  --surface: #161b22;
  --text: #e6edf3;
  --muted: #8b97a8;
  --border: #2a313c;
  --accent: #4c8dff;
  --accent-text: #0b1220;
  --up: #4ade80;      --up-bg: #12301e;
  --down: #f87171;    --down-bg: #3a1618;
  --late: #fbbf24;    --late-bg: #36290b;
  --new: #a5b1c2;     --new-bg: #232a35;
  --paused: #a78bfa;  --paused-bg: #2a2147;
  --maint: #22d3ee;   --maint-bg: #0c3440;
  --code-bg: #0b0f14; --code-text: #d5dde8;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
h1 { font-size: 1.5rem; margin: 0 0 .75rem; line-height: 1.25; }
h2 { font-size: 1.1rem; margin: 1.5rem 0 .6rem; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .9em; }
.muted { color: var(--muted); }
.center { text-align: center; }
.nowrap { white-space: nowrap; }
.right { text-align: right; }

.top {
  display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap;
  padding: .75rem 16px; background: var(--surface); border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; text-decoration: none; color: var(--text); font-size: 1.1rem; }
.top nav { display: flex; gap: 1rem; flex: 1; }
.top nav a { text-decoration: none; color: var(--muted); }
.top nav a:hover { color: var(--text); }
.who { display: flex; align-items: center; gap: .6rem; margin: 0; }

main { max-width: 960px; margin: 0 auto; padding: 1.25rem 16px 3rem; }

.head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: .75rem; }
.head h1 { margin: 0; }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.1rem 1.25rem; margin: 0 0 1rem;
}
.narrow { max-width: 420px; margin: 3rem auto; }

.flash {
  background: var(--up-bg); color: var(--up); border-radius: var(--radius);
  padding: .65rem 1rem; margin-bottom: 1rem; word-break: break-word;
}
.flash.error { background: var(--down-bg); color: var(--down); }
.flash a { color: inherit; font-weight: 600; }

.btn, button.btn {
  display: inline-block; font: inherit; font-weight: 600; cursor: pointer;
  background: var(--accent); color: var(--accent-text); border: 1px solid var(--accent);
  padding: .5rem .95rem; border-radius: 8px; text-decoration: none; text-align: center;
}
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn.ghost:hover { border-color: var(--muted); }
.btn.danger { background: transparent; color: var(--down); border-color: var(--down); }
.btn.wide { display: block; width: 100%; }
.btn.small { padding: .25rem .6rem; font-size: .875rem; }
button.link { background: none; border: 0; color: var(--accent); cursor: pointer; font: inherit; padding: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.actions { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }
.actions form { margin: 0; }
td.actions { justify-content: flex-end; }

.stack { display: flex; flex-direction: column; gap: 1rem; }
label { display: flex; flex-direction: column; gap: .3rem; font-weight: 600; }
label.check { flex-direction: row; align-items: center; gap: .5rem; font-weight: 400; }
input, select {
  font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--border); border-radius: 8px; padding: .5rem .65rem; min-width: 0; width: 100%;
}
input[type=checkbox], input[type=radio] { width: auto; flex: none; }
fieldset { border: 1px solid var(--border); border-radius: var(--radius); padding: .75rem 1rem; margin: 0; }
legend { font-weight: 600; padding: 0 .4rem; }
fieldset p { margin: 0 0 .6rem; }
.row { display: grid; grid-template-columns: 7rem 1fr; gap: .5rem; }
.form { max-width: 560px; }
.kinds { display: flex; flex-wrap: wrap; gap: .5rem; }

.table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
table.list { width: 100%; border-collapse: collapse; }
.list th, .list td { text-align: left; padding: .6rem .9rem; border-bottom: 1px solid var(--border); vertical-align: top; }
.list th { font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.list tr:last-child td { border-bottom: 0; }

.badge {
  display: inline-block; padding: .1rem .6rem; border-radius: 999px;
  font-size: .8rem; font-weight: 600; vertical-align: middle; white-space: nowrap;
}
.s-up { color: var(--up); background: var(--up-bg); }
.s-down { color: var(--down); background: var(--down-bg); }
.s-late { color: var(--late); background: var(--late-bg); }
.s-new { color: var(--new); background: var(--new-bg); }
.s-paused { color: var(--paused); background: var(--paused-bg); }
.summary { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: .75rem; }

.ev { font-weight: 600; }
.ev-down, .ev-fail { color: var(--down); }
.ev-up { color: var(--up); }
.ev-late { color: var(--late); }

.facts { display: grid; grid-template-columns: max-content 1fr; gap: .5rem 1.25rem; margin: 0; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }

pre.code {
  background: var(--code-bg); color: var(--code-text); padding: .8rem 1rem;
  border-radius: 8px; overflow-x: auto; margin: .4rem 0 .8rem; white-space: pre;
}
details { margin: .6rem 0; }
summary { cursor: pointer; font-weight: 600; }
.reveal { border-color: var(--accent); }
.danger-zone { margin-top: 2rem; }

.s-maintenance { color: var(--maint); background: var(--maint-bg); }
.flash.maint { background: var(--maint-bg); color: var(--maint); }
.ev-probe_fail { color: var(--down); }
.kind {
  font-size: .75rem; color: var(--muted); border: 1px solid var(--border);
  border-radius: 4px; padding: 0 .35rem; margin-left: .35rem; vertical-align: middle;
}

.kind-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; margin-top: 1rem; }
.kind-card { display: flex; flex-direction: column; gap: .4rem; text-decoration: none; color: var(--text); margin: 0; }
.kind-card:hover { border-color: var(--accent); }

/* Öffentliche Statusseite */
.banner { border-radius: var(--radius); padding: 1rem 1.25rem; font-weight: 600; margin-bottom: 1.25rem; }
.b-ok { background: var(--up-bg); color: var(--up); }
.b-down { background: var(--down-bg); color: var(--down); }
.b-maintenance { background: var(--maint-bg); color: var(--maint); }
.components { padding: 0; }
.component { padding: 1rem 1.25rem; border-bottom: 1px solid var(--border); }
.component:last-child { border-bottom: 0; }
.comp-head { display: flex; justify-content: space-between; align-items: center; gap: .75rem; flex-wrap: wrap; margin-bottom: .6rem; }
.bars { display: flex; gap: 2px; height: 28px; }
.bar { flex: 1; border-radius: 2px; background: var(--border); min-width: 2px; }
.bar-good { background: var(--up); }
.bar-warn { background: var(--late); }
.bar-bad { background: var(--down); }
.bar-none { background: var(--border); }
.bars-legend { display: flex; justify-content: space-between; font-size: .75rem; margin-top: .25rem; }

@media (max-width: 560px) {
  .facts { grid-template-columns: 1fr; gap: 0; }
  .facts dd { margin-bottom: .6rem; }
  .row { grid-template-columns: 5.5rem 1fr; }
}

/* Kopfzeile rechts, Filter, Formulare in Zeilen */
.who form { margin: 0; }
.who a { color: var(--text); text-decoration: none; }
.filter { display: flex; align-items: center; gap: .6rem; margin-bottom: .75rem; }
.filter select { width: auto; }

/* Schmale Bildschirme: Menü in eigener Zeile, darf umbrechen */
@media (max-width: 760px) {
  .top nav { order: 3; flex: 1 1 100%; flex-wrap: wrap; gap: .4rem 1rem; }
  .who { margin-left: auto; }
}