:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --border: #e2e4e9;
  --text: #1b1d22;
  --muted: #6b7080;
  --accent: #2f6fde;
  --accent-text: #ffffff;
  --up: #1f9d55;
  --down: #d64545;
  --pending: #d99a1b;
  --unknown: #9aa0ad;
  --maint: #5b6bd6;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(0, 0, 0, .05);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111317;
    --surface: #1a1d23;
    --border: #2b2f37;
    --text: #e7e9ee;
    --muted: #949aa8;
    --accent: #5b8ff0;
    --unknown: #6b7180;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }

.muted { color: var(--muted); }
.small-text { font-size: 13px; }
.grow { flex: 1; min-width: 0; }

/* ------------------------------------------------ Kopf */

.top {
  position: sticky; top: 0; z-index: 5;
  display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; justify-content: space-between;
  padding: 12px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.brand { display: flex; align-items: center; gap: 8px; font-weight: 650; font-size: 17px; }
.meta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; font-size: 14px; }
.meta form { margin: 0; }

.badge {
  font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em;
  padding: 2px 8px; border-radius: 99px; border: 1px solid var(--border); color: var(--muted);
}
.badge.admin { color: var(--pending); border-color: var(--pending); }

main { max-width: 1200px; margin: 0 auto; padding: 20px; }

h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 28px 0 12px; }
h3 { font-size: 15px; margin: 0 0 10px; }
section:first-of-type h2 { margin-top: 8px; }

.group { margin-bottom: 20px; }
.group > h3 { font-size: 14px; color: var(--muted); font-weight: 600; }

/* ------------------------------------------------ Karten */

.grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: var(--shadow);
}

.svc { border-left: 3px solid var(--unknown); }
.svc.up { border-left-color: var(--up); }
.svc.down { border-left-color: var(--down); }
.svc.pending { border-left-color: var(--pending); }
.svc.maintenance { border-left-color: var(--maint); }

.svc-head { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.svc-meta { font-size: 13px; margin: 2px 0 0 18px; }
.svc .actions { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }

.hint { font-size: 12px; color: var(--pending); margin-top: 6px; }

.dot {
  display: inline-block; width: 10px; height: 10px; border-radius: 50%;
  background: var(--unknown); flex: none;
}
.dot.up { background: var(--up); }
.dot.down { background: var(--down); box-shadow: 0 0 0 3px color-mix(in srgb, var(--down) 25%, transparent); }
.dot.pending { background: var(--pending); }
.dot.maintenance { background: var(--maint); }

/* ------------------------------------------------ Listen */

.list {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.row { display: flex; align-items: center; gap: 12px; padding: 12px 14px; }
.row + .row { border-top: 1px solid var(--border); }

.kv { list-style: none; margin: 0; padding: 0; }
.kv li { display: flex; align-items: center; gap: 8px; padding: 5px 0; font-size: 14px; }
.kv li > .grow { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kv li > .muted { flex: 0 1 auto; max-width: 55%; text-align: right; overflow-wrap: anywhere; }
.kv li + li { border-top: 1px solid var(--border); }

/* ------------------------------------------------ Buttons & Formulare */

button {
  font: inherit; font-size: 14px; cursor: pointer;
  border: 1px solid var(--accent); background: var(--accent); color: var(--accent-text);
  padding: 7px 14px; border-radius: 7px;
}
button:hover { filter: brightness(1.08); }
button:disabled { opacity: .55; cursor: progress; }
button.small { font-size: 13px; padding: 4px 10px; }
button.ghost { background: transparent; color: var(--text); border-color: var(--border); }
button.busy::after { content: " …"; }

.banner {
  background: color-mix(in srgb, var(--pending) 14%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--pending) 45%, var(--border));
  border-radius: var(--radius); padding: 10px 14px; margin-bottom: 10px; font-size: 14px;
}

/* ------------------------------------------------ Dialog & Toast */

dialog {
  width: min(900px, calc(100vw - 32px)); max-height: 80vh;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); color: var(--text); padding: 0;
}
dialog::backdrop { background: rgba(0, 0, 0, .45); }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 10px 14px; border-bottom: 1px solid var(--border); }
dialog pre {
  margin: 0; padding: 14px; overflow: auto; max-height: calc(80vh - 52px);
  font: 12.5px/1.5 ui-monospace, "JetBrains Mono", Menlo, monospace; white-space: pre-wrap; word-break: break-word;
}

.toast {
  position: fixed; right: 16px; bottom: 16px; z-index: 20; max-width: min(420px, calc(100vw - 32px));
  padding: 10px 14px; border-radius: var(--radius); color: #fff; font-size: 14px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, .25);
}
.toast.ok { background: var(--up); }
.toast.bad { background: var(--down); }

/* ------------------------------------------------ Login */

.login-body { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login {
  width: min(340px, 100%); background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 26px; box-shadow: var(--shadow);
}
.login .brand { margin-bottom: 18px; }
.login form { display: grid; gap: 14px; }
.login label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); }
.login input {
  font: inherit; padding: 9px 11px; border-radius: 7px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text);
}
.login input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.err { color: var(--down); font-size: 13px; margin: 0; }

@media (max-width: 520px) {
  .top { padding: 10px 16px; }
  main { padding: 16px; }
}