:root {
  --primary: #159FB8;
  --secondary: #3577F1;
  --ink: #171717;
  --muted: #737373;
  --border: #d4d4d4;
  --code-bg: #171717;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #fafafa;
  min-height: 100vh;
  color: var(--ink);
  padding: 3rem 1.5rem 4rem;
  line-height: 1.55;
}
.container { max-width: 880px; margin: 0 auto; }
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}
.badge {
  display: inline-block;
  background: color-mix(in srgb, var(--primary) 12%, white);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
}
.lang-switch { display: flex; gap: 0.5rem; font-size: 0.8rem; }
.lang-switch a, .lang-switch span {
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  text-decoration: none;
  color: var(--muted);
  background: #fff;
}
.lang-switch span { border-color: var(--primary); color: var(--primary); font-weight: 600; }
.lang-switch a:hover { color: var(--ink); }
h1 { font-size: 2rem; margin-bottom: 0.5rem; letter-spacing: -0.02em; }
p.sub { color: var(--muted); margin-bottom: 2.5rem; max-width: 42rem; }
section {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  margin-bottom: 1.25rem;
}
section h2 { font-size: 1.15rem; margin-bottom: 0.4rem; }
section > p.desc { color: var(--muted); font-size: 0.9rem; margin-bottom: 1.25rem; max-width: 44rem; }
h3 { font-size: 0.95rem; margin: 1.5rem 0 0.5rem; }
.steps { counter-reset: step; display: flex; flex-direction: column; gap: 1.5rem; }
.step { position: relative; padding-left: 3rem; }
.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0; top: 0;
  width: 2rem; height: 2rem;
  display: flex; align-items: center; justify-content: center;
  border-radius: 999px;
  background: color-mix(in srgb, var(--primary) 12%, white);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.9rem;
}
.step h3 { margin: 0 0 0.35rem; font-size: 1rem; }
.step p { font-size: 0.9rem; color: var(--muted); }
.step p strong { color: var(--ink); }
.codeblock { position: relative; margin-top: 0.75rem; }
pre {
  background: var(--code-bg);
  color: #e5e5e5;
  border-radius: 10px;
  padding: 1rem 1.25rem;
  font-size: 0.8rem;
  line-height: 1.6;
  overflow-x: auto;
  font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
}
pre .hl { color: #7dd3fc; }
pre .cm { color: #8b949e; }
.copy-btn {
  position: absolute;
  top: 0.5rem; right: 0.5rem;
  background: rgb(255 255 255 / 0.1);
  color: #e5e5e5;
  border: 1px solid rgb(255 255 255 / 0.2);
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.3rem 0.6rem;
  cursor: pointer;
}
.copy-btn:hover { background: rgb(255 255 255 / 0.2); }
table { width: 100%; border-collapse: collapse; font-size: 0.85rem; margin-top: 0.75rem; }
th, td {
  text-align: left;
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 60%, transparent);
  vertical-align: top;
}
th { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); }
td code, p code, li code {
  background: #f0f0f0;
  padding: 0.1em 0.4em;
  border-radius: 4px;
  font-size: 0.85em;
  font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  white-space: nowrap;
}
.note {
  background: color-mix(in srgb, var(--secondary) 7%, white);
  border: 1px solid color-mix(in srgb, var(--secondary) 25%, transparent);
  border-radius: 10px;
  padding: 0.875rem 1rem;
  font-size: 0.85rem;
  margin-top: 1rem;
}
.note strong { color: var(--secondary); }
.doc-links { display: grid; gap: 1rem; margin-top: 1.25rem; }
@media (min-width: 640px) { .doc-links { grid-template-columns: 1fr 1fr; } }
.doc-link {
  display: block;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  text-decoration: none;
  color: var(--ink);
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.doc-link:hover {
  border-color: color-mix(in srgb, var(--primary) 45%, transparent);
  box-shadow: 0 2px 8px color-mix(in srgb, var(--primary) 12%, transparent);
}
.doc-link .flag { font-size: 1.5rem; display: block; margin-bottom: 0.5rem; }
.doc-link strong { display: block; font-size: 1rem; margin-bottom: 0.2rem; }
.doc-link span.hint { font-size: 0.85rem; color: var(--muted); }
.doc-link .arrow { color: var(--primary); font-weight: 600; font-size: 0.85rem; }
#config-output, #event-log {
  background: #f5f5f5;
  color: var(--ink);
  border: 1px solid var(--border);
  min-height: 3rem;
}
.status { font-size: 0.85rem; font-weight: 600; margin-bottom: 0.5rem; }
.status.ok { color: #00B243; }
.status.err { color: #E40F0F; }
ul { padding-left: 1.25rem; font-size: 0.9rem; color: var(--muted); }
li { margin-bottom: 0.3rem; }
footer { text-align: center; color: var(--muted); font-size: 0.8rem; margin-top: 2rem; }
a { color: var(--primary); }