:root {
  --bg: #f7f7f5;
  --fg: #1d1d1b;
  --muted: #6b6b66;
  --card: #ffffff;
  --border: #e2e2dc;
  --accent: #c74634;
  --ok: #2f7d4f;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161615;
    --fg: #ececea;
    --muted: #9a9a94;
    --card: #20201f;
    --border: #33332f;
    --ok: #5cbf86;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.5 system-ui, -apple-system, sans-serif;
}

main { max-width: 640px; margin: 0 auto; padding: 48px 16px; }

h1 { margin: 0 0 4px; }

.status { color: var(--muted); margin: 0 0 32px; }
.status .ok { color: var(--ok); }
.status .fail, .error { color: var(--accent); }

form { display: flex; gap: 8px; }

input {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  color: var(--fg);
  font: inherit;
}

button {
  padding: 10px 16px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  cursor: pointer;
}

ul { list-style: none; padding: 0; margin: 24px 0 0; }

li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  margin-bottom: 8px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
}

li button { background: transparent; color: var(--muted); padding: 4px 8px; }
li time { color: var(--muted); font-size: 13px; display: block; }