:root {
  color-scheme: light dark;
  --bg: #f3f1f8;
  --fg: #2e2a45;
  --muted: #6f6a8a;
  --panel: #fcfbfe;
  --line: #d9d4e6;
  --accent: #6d28d9;
  --ink: #292254;
  --font-serif: Georgia, "Times New Roman", serif;
  --code: #0f172a;
  --code-fg: #e5e7eb;
  --font-sans: Arial, Helvetica, sans-serif;
  --font-mono: Menlo, Consolas, "Liberation Mono", monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14111f;
    --fg: #e6e3f0;
    --muted: #a29cc0;
    --panel: #1c1830;
    --line: #38324f;
    --accent: #a78bfa;
    --ink: #cec4f0;
    --code: #020617;
    --code-fg: #e5e7eb;
  }
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 16px;
  font-synthesis: none;
  line-height: 1.5;
}

main {
  max-width: 980px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

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

.artifact-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.note {
  color: var(--muted);
}

h1,
h2,
h3,
h4 {
  letter-spacing: 0;
  line-height: 1.2;
  font-family: var(--font-serif);
  color: var(--ink);
}

h1 {
  margin: 0 0 8px;
  font-size: 30px;
}

.markdown-body {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
}

.markdown-body h1:first-child {
  margin-top: 0;
}

.markdown-body hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 24px 0;
}

pre {
  overflow: auto;
  background: var(--code);
  color: var(--code-fg);
  border-radius: 8px;
  padding: 14px;
  font-size: 13px;
  line-height: 1.45;
}

code {
  font-family: var(--font-mono);
}

:not(pre) > code {
  background: color-mix(in srgb, var(--line) 45%, transparent);
  border-radius: 4px;
  padding: 1px 4px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
}

th,
td {
  border: 1px solid var(--line);
  padding: 8px;
  vertical-align: top;
}

th {
  text-align: left;
  background: color-mix(in srgb, var(--line) 35%, transparent);
}

blockquote {
  margin: 16px 0;
  padding: 10px 14px;
  border-left: 4px solid var(--accent);
  background: color-mix(in srgb, var(--line) 30%, transparent);
}

.mermaid-figure {
  margin: 18px 0;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  padding: 14px;
}

.mermaid-figure img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
}

.mermaid-source {
  margin-top: 10px;
}

.mermaid-source summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.button {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 12px;
  text-decoration: none;
}