:root {
  --bg: #ffffff; --fg: #1b1f24; --muted: #64707d;
  --line: #e3e8ee; --accent: #1f6feb; --chip: #f2f5f9;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14181d; --fg: #e8edf3; --muted: #97a3b0;
    --line: #2a313a; --accent: #5b9bff; --chip: #1e242b;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 16px/1.55 ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}
.bar {
  display: flex; align-items: baseline; gap: .75rem; flex-wrap: wrap;
  padding: .9rem 1.25rem; border-bottom: 1px solid var(--line);
}
.brand { font-weight: 650; }
.tag {
  font-size: .74rem; color: var(--muted); background: var(--chip);
  border-radius: 999px; padding: .15rem .6rem;
}
main { max-width: 46rem; margin: 0 auto; padding: 2rem 1.25rem 4rem; }
h1 { margin: 0 0 .5rem; font-size: 1.6rem; letter-spacing: -.01em; }
.muted { color: var(--muted); }
code {
  background: var(--chip); border-radius: 4px; padding: .1rem .35rem;
  font-size: .88em;
}
.row { display: flex; gap: .5rem; margin: 1.5rem 0; }
input {
  flex: 1; min-width: 0; padding: .55rem .7rem; color: var(--fg);
  background: var(--bg); border: 1px solid var(--line); border-radius: 8px;
}
input:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
button {
  padding: .55rem 1.1rem; border: 0; border-radius: 8px;
  background: var(--accent); color: #fff; font-weight: 550; cursor: pointer;
}
.notes { list-style: none; margin: 0; padding: 0; }
.notes li {
  display: flex; justify-content: space-between; gap: 1rem;
  padding: .6rem 0; border-bottom: 1px solid var(--line);
}
.notes time { color: var(--muted); font-size: .8rem; white-space: nowrap; }