@import url("https://vercel.live/fonts/geist-sans.css");

:root {
  --bg: #ffffff;
  --fg: #0a0a0a;
  --muted: #666;
  --accent: #d16138;
  --border: #eee;
  --card: #fafafa;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0a0a;
    --fg: #f5f5f5;
    --muted: #a0a0a0;
    --accent: #e87a52;
    --border: #222;
    --card: #141414;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "Geist", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 120px;
}

header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.logo {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}
.logo::after {
  content: "";
  display: block;
  width: 28px;
  height: 22px;
  border-radius: 6px;
  background: var(--bg);
  position: relative;
}

h1 {
  font-size: 28px;
  margin: 0 0 4px;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.meta {
  color: var(--muted);
  font-size: 13px;
}

h2 {
  font-size: 18px;
  margin: 36px 0 12px;
  letter-spacing: -0.01em;
  font-weight: 700;
}

p, li {
  font-size: 15px;
  color: var(--fg);
}

a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

nav.bottom {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--muted);
}

nav.bottom a { color: var(--muted); text-decoration: none; }
nav.bottom a:hover { color: var(--accent); }

strong { font-weight: 700; }

code {
  font-family: ui-monospace, monospace;
  background: var(--card);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
}