:root { color-scheme: dark; font-family: system-ui, sans-serif; background: #111827; color: #f3f4f6; }
* { box-sizing: border-box; }
body { margin: 0; padding: 1.25rem; }
main { max-width: 900px; margin: auto; }
header, .toolbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
h1 { font-size: 1.45rem; margin: .4rem 0 1rem; }
h2 { font-size: 1.1rem; margin: 2rem 0 .75rem; }
p { color: #cbd5e1; }
button, input { font: inherit; }
button { border: 0; border-radius: .55rem; padding: .7rem 1rem; color: #fff; background: #2563eb; cursor: pointer; }
button.secondary { background: #374151; }
button:disabled { opacity: .6; cursor: wait; }
form { max-width: 420px; display: grid; gap: .75rem; padding: 1.25rem; background: #1f2937; border-radius: .75rem; }
label { display: grid; gap: .3rem; color: #cbd5e1; }
input { width: 100%; padding: .65rem; border: 1px solid #4b5563; border-radius: .4rem; background: #111827; color: #fff; }
.hidden { display: none !important; }
.message { min-height: 1.4rem; color: #fbbf24; overflow-wrap: anywhere; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: .8rem; }
.card, .event { background: #1f2937; border: 1px solid #374151; border-radius: .65rem; padding: 1rem; }
.card h3 { margin: 0 0 .5rem; font-size: 1rem; }
.meta { color: #cbd5e1; font-size: .9rem; overflow-wrap: anywhere; }
.status { font-weight: 700; }
.up { color: #4ade80; }
.down, .stale { color: #f87171; }
.events { display: grid; gap: .55rem; }
.event { display: flex; justify-content: space-between; gap: 1rem; align-items: baseline; }
.event time { color: #9ca3af; font-size: .85rem; text-align: right; }
@media (max-width: 520px) {
  body { padding: .8rem; }
  header { align-items: flex-start; }
  header .toolbar { flex-direction: column; align-items: stretch; }
  .event { display: grid; gap: .2rem; }
  .event time { text-align: left; }
}