:root {
  --bg: #0d1117; --fg: #e6edf3; --dim: #8b949e; --card: #161b22;
  --border: #30363d; --green: #3fb950; --amber: #d29922; --blue: #58a6ff;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 16px/1.6 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
.wrap { max-width: 880px; margin: 0 auto; padding: 0 20px; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em; background: var(--card); border: 1px solid var(--border);
  border-radius: 4px; padding: 1px 5px;
}
pre {
  background: var(--card); border: 1px solid var(--border); border-radius: 8px;
  padding: 14px 16px; overflow-x: auto; line-height: 1.5;
}
pre code { background: none; border: none; padding: 0; }
table { border-collapse: collapse; width: 100%; margin: 12px 0; }
th, td { border: 1px solid var(--border); padding: 8px 12px; text-align: left; vertical-align: top; }
th { background: var(--card); }
tbody tr:nth-child(odd) { background: rgba(255,255,255,0.02); }

.hero { border-bottom: 1px solid var(--border); padding: 48px 0 40px; background: linear-gradient(180deg, #10161f 0%, var(--bg) 100%); }
.hero .prompt {
  font-family: ui-monospace, Menlo, Consolas, monospace; color: var(--green);
  background: var(--card); border: 1px solid var(--border); border-radius: 6px;
  display: inline-block; padding: 4px 12px; margin-bottom: 18px;
}
.hero h1 { margin: 0 0 8px; font-size: 2.4rem; letter-spacing: -0.02em; }
.tagline { color: var(--fg); font-size: 1.15rem; margin: 0 0 6px; }
.meta { color: var(--dim); margin: 0 0 20px; }
.cta { display: flex; gap: 10px; flex-wrap: wrap; }
.btn {
  display: inline-block; background: var(--green); color: #0d1117; font-weight: 600;
  padding: 8px 18px; border-radius: 6px;
}
.btn:hover { text-decoration: none; filter: brightness(1.1); }
.btn.ghost { background: transparent; color: var(--fg); border: 1px solid var(--border); }

section { margin: 36px 0; }
h2 { font-size: 1.4rem; border-bottom: 1px solid var(--border); padding-bottom: 8px; }
.endpoints li { margin: 6px 0; }
.dim { color: var(--dim); }
.out { font-size: 0.85rem; }
footer { border-top: 1px solid var(--border); margin-top: 48px; padding: 20px 0 40px; color: var(--dim); font-size: 0.9rem; }
.tip-good { color: var(--green); }
.tip-warn { color: var(--amber); }