:root {
  color-scheme: light dark;
  --bg: #f5f6f8;
  --card: #ffffff;
  --fg: #1d2129;
  --muted: #6b7280;
  --border: #e3e6ea;
  --accent: #2563eb;
  --ok: #16a34a;
  --off: #9ca3af;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111418;
    --card: #1b1f25;
    --fg: #e6e8eb;
    --muted: #9aa3ae;
    --border: #2b313a;
    --accent: #60a5fa;
    --ok: #22c55e;
    --off: #6b7280;
  }
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a {
  color: var(--accent);
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px;
}

header.bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  margin-bottom: 16px;
}

header.bar h1 {
  margin: 0;
  font-size: 1.4rem;
  flex: 1 1 auto;
  min-width: 0;
  overflow-wrap: anywhere;
}

button,
.button {
  font: inherit;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card);
  color: var(--fg);
  cursor: pointer;
  text-decoration: none;
}

button[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #fff;
  background: var(--off);
  white-space: nowrap;
}

.badge.online {
  background: var(--ok);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  min-width: 0;
}

.muted {
  color: var(--muted);
  font-size: 0.85rem;
}

.empty {
  padding: 32px 16px;
  text-align: center;
  color: var(--muted);
}

form.inline {
  display: inline;
  margin: 0;
}