:root {
  --accent: #00A96B;
  --accent-soft: rgba(0, 194, 122, 0.12);
  --bg: #f7f7fa;
  --card: #ffffff;
  --text: #16181d;
  --muted: #6a707c;
  --border: rgba(0, 0, 0, 0.08);
  --radius: 18px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --accent: #2ee39a;
    --accent-soft: rgba(46, 227, 154, 0.14);
    --bg: #0c0e11;
    --card: #15181d;
    --text: #f2f4f7;
    --muted: #9aa2af;
    --border: rgba(255, 255, 255, 0.10);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 20px 72px;
}

header.site {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 30px;
}

header.site img {
  width: 52px;
  height: 52px;
  border-radius: 13px;
  border: 1px solid var(--border);
}

header.site .name {
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

header.site .claim {
  font-size: 13px;
  color: var(--muted);
}

nav.top {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 34px;
}

nav.top a {
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 7px 13px;
  border-radius: 999px;
}

nav.top a:hover { filter: brightness(1.08); }

h1 {
  font-size: 30px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 6px;
}

h2 {
  font-size: 19px;
  margin: 34px 0 8px;
  color: var(--accent);
  letter-spacing: -0.01em;
}

h3 { font-size: 16px; margin: 24px 0 6px; }

p { margin: 0 0 14px; }

.updated {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 26px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin: 22px 0;
}

.todo {
  background: rgba(245, 185, 66, 0.14);
  border: 1px solid rgba(245, 185, 66, 0.45);
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 15px;
  margin: 20px 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin: 26px 0;
}

.grid .card { margin: 0; }
.grid h3 { margin-top: 0; }
.grid p { font-size: 15px; color: var(--muted); margin: 0; }

ul { margin: 0 0 14px; padding-left: 22px; }
li { margin-bottom: 6px; }

address { font-style: normal; white-space: pre-line; }

a { color: var(--accent); }

code {
  background: var(--accent-soft);
  padding: 2px 6px;
  border-radius: 6px;
  font-size: 0.9em;
}

footer.site {
  margin-top: 56px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
  font-size: 14px;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

footer.site a { text-decoration: none; }