:root {
  --bg: #f7f7f5;
  --fg: #1a1a1a;
  --muted: #666;
  --line: #ddd;
  --card: #fff;
  --link: #111;
  --link-hover: #000;
  --accent: #333;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --fg: #ececec;
    --muted: #9a9a9a;
    --line: #2a2a2a;
    --card: #1a1a1a;
    --link: #f0f0f0;
    --link-hover: #fff;
    --accent: #cfcfcf;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 1.25rem 1rem 2.5rem;
}

.head {
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.85rem;
}
.head h1 {
  margin: 0;
  font-size: 1.45rem;
  font-weight: 650;
  letter-spacing: 0.02em;
}
.sub {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.group {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.85rem 1rem 0.4rem;
  margin-bottom: 0.9rem;
}
.group h2 {
  margin: 0 0 0.55rem;
  font-size: 0.95rem;
  font-weight: 650;
  color: var(--accent);
  letter-spacing: 0.04em;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
li {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  padding: 0.55rem 0;
  border-top: 1px solid var(--line);
}
li:first-of-type { border-top: none; }

a {
  color: var(--link);
  text-decoration: none;
  font-weight: 560;
  font-size: 1rem;
  word-break: break-all;
}
a:hover, a:focus-visible {
  text-decoration: underline;
  color: var(--link-hover);
}

.note {
  color: var(--muted);
  font-size: 0.8rem;
}
.pending {
  font-weight: 560;
  color: var(--muted);
}
.empty { opacity: 0.85; }

.foot {
  margin-top: 1.25rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.75rem;
}
.foot p { margin: 0; }

@media (min-width: 560px) {
  li {
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
  }
  .note {
    text-align: right;
    flex: 0 1 55%;
  }
  a, .pending { flex: 1 1 auto; }
}