:root {
  --bg: #0e1218;
  --card: #182030;
  --text: #eef3fb;
  --muted: #8a9bb3;
  --accent: #6c8cff;
  --done: #3ecf8e;
  font-family: system-ui, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); min-height: 100vh; }
header, main { max-width: 28rem; margin: 0 auto; padding: 1.25rem; }
.badge { color: var(--muted); font-size: 0.75rem; }
h1 { margin: 0.4rem 0; font-size: 1.5rem; }
.promise { color: var(--muted); }
.row { display: flex; gap: 0.5rem; margin: 1rem 0; }
input {
  flex: 1;
  padding: 0.65rem 0.75rem;
  border-radius: 0.45rem;
  border: 1px solid #2a3a52;
  background: #0a0e14;
  color: var(--text);
}
button {
  padding: 0.65rem 0.9rem;
  border: 0;
  border-radius: 0.45rem;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}
.list { list-style: none; padding: 0; margin: 0; }
.list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--card);
  border: 1px solid #2a3a52;
  border-radius: 0.5rem;
  padding: 0.7rem 0.8rem;
  margin-bottom: 0.45rem;
}
.list li.done span { text-decoration: line-through; color: var(--muted); }
.list input[type="checkbox"] { width: 1.1rem; height: 1.1rem; }
.del {
  margin-left: auto;
  background: transparent;
  color: var(--muted);
  border: 0;
  cursor: pointer;
}
.card { background: var(--card); border: 1px solid #2a3a52; border-radius: 0.5rem; padding: 0.8rem; }
.meta { font-size: 0.8rem; color: var(--muted); }
code { color: #9ecbff; }
a { color: var(--accent); }