:root {
  --bg: #fafaf8;
  --fg: #1d1d1b;
  --muted: #6b6b66;
  --card: #ffffff;
  --line: #e4e4de;
  --accent: #2f7d4f;
  --danger: #b3382c;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161614;
    --fg: #ecece7;
    --muted: #9a9a92;
    --card: #1f1f1c;
    --line: #333330;
    --accent: #5cb87f;
    --danger: #e0766a;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.5 system-ui, sans-serif;
}
main { max-width: 640px; margin: 0 auto; padding: 16px; }
nav { display: flex; gap: 16px; align-items: center; padding: 12px 0 16px; border-bottom: 1px solid var(--line); margin-bottom: 16px; }
nav .spacer { flex: 1; }
h1 { font-size: 20px; margin: 0 0 12px; }
h2 { font-size: 14px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 24px 0 8px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 10px;
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}
.card.dim { opacity: .55; }
.card .who { flex: 1; min-width: 180px; overflow-wrap: anywhere; }
.card .name { font-weight: 600; }
.card .sub { color: var(--muted); font-size: 14px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.card > button.primary { padding: 12px 22px; font-size: 18px; }
.actions.minor { width: 100%; justify-content: flex-end; }
.actions.minor button { border: 0; background: none; padding: 2px 6px; font-size: 13px; color: var(--muted); }
.actions.minor button.danger { color: var(--danger); }
button {
  font: inherit;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--fg);
  cursor: pointer;
}
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
button.danger { color: var(--danger); }
button:disabled { opacity: .5; cursor: default; }
form.add { display: flex; gap: 8px; margin: 12px 0; }
form.add input { flex: 1; font: inherit; padding: 8px 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--card); color: var(--fg); }
.empty { color: var(--muted); padding: 8px 0; }
#error { color: var(--danger); min-height: 1.5em; }
.login { text-align: center; padding-top: 18vh; }
.login p { color: var(--muted); }
[hidden] { display: none !important; }
nav button.link { border: 0; background: none; color: var(--muted); font-size: 13px; padding: 4px; }