html {
  color-scheme: light;
}

body {
  margin: 0;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  background: #f7f8fb;
  color: #111827;
}

a {
  color: #2563eb;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.vibe-shell {
  min-height: 100vh;
}

.vibe-topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid #e5e7eb;
}

.vibe-topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: space-between;
}

.vibe-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: #0f172a;
}

.vibe-home-link {
  color: #475569;
  font-size: 14px;
}

.vibe-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

.vibe-hero {
  margin-bottom: 24px;
}

.vibe-hero h1 {
  margin: 0 0 10px;
  font-size: 34px;
  line-height: 1.15;
  color: #0f172a;
}

.vibe-hero p {
  margin: 0;
  color: #475569;
  font-size: 16px;
  line-height: 1.7;
}

.markdown-body {
  box-sizing: border-box;
  min-width: 200px;
  max-width: 100%;
  margin: 0 auto;
  padding: 32px;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.05);
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
  color: #0f172a;
  line-height: 1.25;
}

.markdown-body p,
.markdown-body li,
.markdown-body blockquote {
  line-height: 1.8;
}

.markdown-body img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

.markdown-body pre {
  overflow-x: auto;
  padding: 16px;
  border-radius: 8px;
  background: #0f172a;
  color: #e5e7eb;
}

.markdown-body code {
  font-family:
    ui-monospace, SFMono-Regular, SF Mono, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
}

.markdown-body :not(pre) > code {
  padding: 0.15em 0.35em;
  border-radius: 6px;
  background: #eff6ff;
  color: #1d4ed8;
}

.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

.markdown-body th,
.markdown-body td {
  border: 1px solid #dbe2ea;
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

.markdown-body th {
  background: #f8fafc;
}

.vibe-footer {
  margin-top: 24px;
  color: #64748b;
  font-size: 13px;
}

@media (max-width: 768px) {
  .vibe-topbar-inner,
  .vibe-main {
    padding-left: 16px;
    padding-right: 16px;
  }

  .markdown-body {
    padding: 20px;
  }

  .vibe-hero h1 {
    font-size: 28px;
  }
}