:root {
  --bg: #f6f4ee;
  --card: #ffffff;
  --text: #1c2620;
  --muted: #5d6b62;
  --accent: #2f6f4e;
  --on-accent: #ffffff;
  --border: #dcd8cc;
  --running: #b8741a;
  --done: #2f6f4e;
  --not-started: #7a8580;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16201b;
    --card: #1f2b25;
    --text: #e8eee9;
    --muted: #9db0a5;
    --accent: #5fb88a;
    --on-accent: #0f1a14;
    --border: #2e3d35;
    --running: #e0a24a;
    --done: #5fb88a;
    --not-started: #8c9a92;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.4 system-ui, -apple-system, sans-serif;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}
main, footer { max-width: 40rem; margin: 0 auto; padding: 1rem; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1rem;
  margin-bottom: 1rem;
}
.card h2 { margin: 0 0 .25rem; font-size: 1.2rem; }
.card .state {
  display: inline-block;
  margin: 0 0 .75rem;
  padding: .1rem .6rem;
  border-radius: 999px;
  border: 1px solid currentColor;
  font-size: .8rem;
  color: var(--not-started);
}
.state-running .state { color: var(--running); }
.state-done .state { color: var(--done); }
.state-not_started .state { color: var(--not-started); }
.card nav { display: flex; flex-wrap: wrap; gap: .5rem; }
.card nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 1rem;
  border-radius: 999px;
  background: var(--accent);
  color: var(--on-accent);
  text-decoration: none;
  font-weight: 600;
}
.highlight { outline: 3px solid var(--accent); outline-offset: 2px; animation: pulse 1.5s ease-out 2; }
@keyframes pulse { 50% { outline-offset: 6px; } }
footer button {
  min-height: 44px;
  padding: 0 1.25rem;
  border-radius: 999px;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
  font: inherit;
  font-weight: 600;
}
footer button:disabled { opacity: .5; }
#push-status { color: var(--muted); font-size: .9rem; }
#signin { min-height: 44px; margin: 1rem 0; }
#msg { color: var(--muted); }