:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1e222b;
  --border: #2a2f3a;
  --text: #e6e8ec;
  --muted: #9aa3b2;
  --ok: #3ecf7e;
  --degraded: #e8b93b;
  --unreachable: #e5484d;
  --unknown: #6b7280;
  --accent: #4f8cff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

header.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}

header.topbar a { color: var(--text); text-decoration: none; }
header.topbar .brand { font-weight: 600; font-size: 1.05rem; display: inline-flex; align-items: baseline; gap: 8px; }
header.topbar .brand-by { font-weight: 400; font-size: 0.74rem; color: var(--muted); }
header.topbar nav a { margin-left: 18px; color: var(--muted); }
header.topbar nav a:hover { color: var(--text); }

main { max-width: 1100px; margin: 0 auto; padding: 24px; }

h1 { font-size: 1.4rem; margin: 0 0 16px; }
h2 { font-size: 1.1rem; margin: 24px 0 10px; }

table { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 0.92rem; white-space: nowrap; }
th { color: var(--muted); font-weight: 500; text-transform: uppercase; font-size: 0.72rem; letter-spacing: 0.04em; }
tr:last-child td { border-bottom: none; }

/* Wide tables (Recent snapshots, fleet overview, etc.) scroll sideways
   inside their own box on narrow screens instead of forcing the whole page
   to scroll horizontally or squeezing columns unreadably. */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: 8px; margin-bottom: 16px; }
.table-scroll table { margin-bottom: 0; border-radius: 8px; }

.expand-more { margin: -12px 0 20px; }
.expand-more summary { cursor: pointer; color: var(--muted); font-size: 0.82rem; padding: 6px 2px; user-select: none; }
.expand-more summary:hover { color: var(--text); }
.expand-more table { margin-top: 8px; }
tr:hover td { background: var(--panel-2); }

.pill { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 0.78rem; font-weight: 600; }
.pill-ok { background: rgba(62,207,126,0.15); color: var(--ok); }
.pill-degraded { background: rgba(232,185,59,0.15); color: var(--degraded); }
.pill-unreachable { background: rgba(229,72,77,0.15); color: var(--unreachable); }
.pill-unknown { background: rgba(107,114,128,0.15); color: var(--unknown); }

.badge { display: inline-block; padding: 1px 7px; border-radius: 4px; font-size: 0.72rem; margin-right: 4px; border: 1px solid var(--border); color: var(--muted); }
.badge-bad { border-color: var(--unreachable); color: var(--unreachable); }
.badge-warn { border-color: var(--degraded); color: var(--degraded); }

.card { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 16px 20px; margin-bottom: 16px; }

form.stacked label { display: block; margin: 12px 0 4px; font-size: 0.85rem; color: var(--muted); }
form.stacked input[type=text], form.stacked input[type=password], form.stacked textarea {
  width: 100%; padding: 8px 10px; background: var(--panel-2); border: 1px solid var(--border); border-radius: 6px; color: var(--text); font-size: 0.92rem;
}
form.stacked textarea { min-height: 70px; font-family: inherit; resize: vertical; }

button, .btn {
  display: inline-block; padding: 8px 16px; border-radius: 6px; border: 1px solid var(--accent);
  background: var(--accent); color: white; font-size: 0.88rem; cursor: pointer; text-decoration: none;
}
button.secondary, .btn.secondary { background: transparent; color: var(--text); border-color: var(--border); }
button.danger, .btn.danger { background: var(--unreachable); border-color: var(--unreachable); }

.muted { color: var(--muted); font-size: 0.85rem; }
.error { color: var(--unreachable); font-size: 0.88rem; margin: 8px 0; }
.notice { color: var(--degraded); font-size: 0.88rem; margin: 8px 0; }

.login-wrap { max-width: 380px; margin: 80px auto; }

.notes-list { list-style: none; padding: 0; margin: 0; }
.notes-list li { border-left: 2px solid var(--accent); padding: 6px 0 6px 14px; margin-bottom: 10px; }
.notes-list .ts { color: var(--muted); font-size: 0.78rem; display: block; }
.note-item { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.note-item .note-text { flex: 1 1 auto; }
.note-edit-btn { font-size: 0.76rem; padding: 2px 8px; flex: 0 0 auto; }
.note-edit-form { flex: 1 1 100%; }
.note-edit-form textarea { width: 100%; }

.timeline { display: flex; gap: 2px; height: 24px; }
.timeline .seg { flex: 1; border-radius: 2px; }

body { overflow-x: hidden; }

@media (max-width: 640px) {
  header.topbar { flex-wrap: wrap; gap: 8px 16px; padding: 12px 16px; }
  header.topbar .brand { flex-direction: column; align-items: flex-start; gap: 0; }
  header.topbar nav a { margin-left: 0; margin-right: 14px; }

  main { padding: 16px; }
  h1 { font-size: 1.2rem; }
  h2 { font-size: 1rem; margin: 20px 0 8px; }

  .card { padding: 12px 14px; }
  .login-wrap { margin: 40px auto; max-width: 100%; }

  th, td { padding: 8px 10px; font-size: 0.86rem; }

  .fleet-summary .badge { margin-bottom: 4px; display: inline-block; }
}