:root {
  --ok: #1f9d55;
  --warn: #d69e2e;
  --down: #718096;
  --prob: #e53e3e;
  --bg: #12151b;
  --card: #1c2230;
  --fg: #e2e8f0;
  --muted: #94a3b8;
  --border: #2d3748;
  --input-bg: #0f1420;
  --accent: #3b82f6;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f6fa;
    --card: #ffffff;
    --fg: #1a202c;
    --muted: #4a5568;
    --border: #d8dee9;
    --input-bg: #f4f6fa;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--fg);
}

header {
  display: flex;
  gap: 1rem;
  align-items: center;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

header h1 { margin: 0; font-size: 1.3rem; flex: none; }

/* Klassisches Herz-Symbol (Inline-SVG, kein Emoji) in tiefem Rot, mit
   dezentem Herzschlag (Doppel-Puls). */
.heart {
  display: inline-flex;
  align-items: center;
  color: #c0212a;
  transform-origin: center;
  animation: heartbeat 1.4s ease-in-out infinite;
}
.heart svg {
  width: .95em;
  height: .95em;
  fill: currentColor;
  display: block;
}
@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  14%      { transform: scale(1.18); }
  28%      { transform: scale(1); }
  42%      { transform: scale(1.1); }
  56%      { transform: scale(1); }
}
@media (prefers-reduced-motion: reduce) {
  .heart { animation: none; }
}

/* h1 als Flex, damit Herz und Text sauber ausgerichtet sind */
header h1 { display: inline-flex; align-items: center; gap: .4rem; }
.auth-card h1 { justify-content: center; }

.fleet { flex: 1; font-size: .95rem; color: var(--muted); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  padding: 1.25rem;
}

.empty { padding: 0 1.25rem; color: var(--muted); }

.card {
  background: var(--card);
  border-left: 5px solid var(--down);
  border-radius: 8px;
  padding: 1rem;
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(0, 0, 0, .15);
}

.card:hover { outline: 1px solid var(--border); }

.card.ok { border-color: var(--ok); }
.card.problem { border-color: var(--prob); }
.card.down { border-color: var(--down); opacity: .7; }

.card-head { display: flex; justify-content: space-between; align-items: baseline; gap: .5rem; }
.card h2 { margin: .2rem 0; font-size: 1.05rem; }
.card p { margin: .25rem 0; }
.seen { color: var(--muted); font-size: .8rem; }

.badge {
  font-size: .7rem;
  padding: .15rem .5rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: .03em;
  white-space: nowrap;
}
.badge.ok { background: var(--ok); color: #fff; }
.badge.problem { background: var(--prob); color: #fff; }
.badge.down { background: var(--down); color: #fff; }
.badge.pending { background: var(--warn); color: #1a202c; }

/* --- Externe Checks --- */
.checks-section { padding: 0 1.25rem 1.25rem; }
.section-head {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: .5rem 0 .25rem;
  border-top: 1px solid var(--border);
  margin-top: .5rem;
}
.section-head h2 { font-size: 1.05rem; margin: .5rem 0; flex: 1; }
#checks { padding: 0; }
.card.check { cursor: default; border-left-color: var(--down); }
.card.check.ok { border-color: var(--ok); }
.card.check.problem { border-color: var(--prob); }
.card.check.pending { border-color: var(--warn); }
.check-type { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; }
.check-del { margin-top: .5rem; font-size: .8rem; padding: .25rem .6rem; }

.btn-ghost {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .4rem .8rem;
  cursor: pointer;
}
.btn-ghost:hover { border-color: var(--accent); }

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: .45rem .9rem;
  cursor: pointer;
  font-size: .95rem;
  white-space: nowrap;
}
.btn-primary:hover { filter: brightness(1.08); }

.muted-inline { color: var(--muted); font-weight: normal; font-size: .8rem; }

.field select {
  width: 100%;
  padding: .55rem .6rem;
  background: var(--input-bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: inherit;
  font-size: .95rem;
}

button {
  font-family: inherit;
  font-size: .95rem;
}

dialog {
  background: var(--card);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 8px;
  max-width: 640px;
  width: 90%;
  padding: 1.25rem;
}
dialog::backdrop { background: rgba(0, 0, 0, .5); }

dialog h2 { margin-top: 0; }
dialog h3 { margin-bottom: .3rem; }

.notes-label {
  display: block;
  font-size: .85rem;
  color: var(--muted);
  margin-bottom: .75rem;
}

textarea {
  width: 100%;
  min-height: 4.5rem;
  background: var(--input-bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .5rem;
  font-family: inherit;
  margin-top: .35rem;
  resize: vertical;
}

.dlg-actions { display: flex; align-items: center; gap: .75rem; margin-bottom: 1rem; }

.dlg-actions button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: .5rem 1rem;
  cursor: pointer;
}

.saved-hint { color: var(--ok); font-size: .85rem; }

pre {
  white-space: pre-wrap;
  background: var(--input-bg);
  padding: .5rem;
  border-radius: 6px;
  overflow: auto;
  border: 1px solid var(--border);
}

/* --- Auth-Seiten (Login / Passwort ändern) --- */
.auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.auth-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2rem;
  width: 100%;
  max-width: 360px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, .2);
}

.auth-card h1 {
  margin: 0 0 .3rem;
  font-size: 1.4rem;
  text-align: center;
}

.auth-card p.hint {
  margin: 0 0 1.5rem;
  text-align: center;
  color: var(--muted);
  font-size: .85rem;
}

.field { margin-bottom: 1rem; }
.field label { display: block; font-size: .85rem; color: var(--muted); margin-bottom: .3rem; }
.field input {
  width: 100%;
  padding: .55rem .6rem;
  background: var(--input-bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: inherit;
  font-size: .95rem;
}

.auth-card button[type="submit"] {
  width: 100%;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: .6rem;
  font-size: 1rem;
  cursor: pointer;
  margin-top: .5rem;
}

.auth-error {
  color: var(--prob);
  font-size: .85rem;
  margin: 0 0 1rem;
  text-align: center;
}