/* rf-slm-spectrum-report.css */
/* Print-first, letter-size, 1-inch margins. Constrain all printable elements within margins. */

:root{
  --text: #111;
  --muted: #444;
  --rule: #bbb;
  --bg: #fff;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

/* Ensure box sizing prevents overflow beyond margins */
*,
*::before,
*::after{
  box-sizing: border-box;
}

html, body{
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.35;
}

/* Letter page sizing and 1-inch margins */
@page{
  size: Letter;
  margin: 1in;
}

.page{
  /* The printable area is 8.5in - 2in = 6.5in wide */
  max-width: 6.5in;
  margin: 0 auto;
  padding: 0;
}

/* Typography */
h1{
  font-size: 18pt;
  line-height: 1.15;
  margin: 0 0 8pt 0;
  font-weight: 700;
}

h2{
  font-size: 14pt;
  margin: 18pt 0 8pt 0;
  font-weight: 700;
  break-before: page;   /* page break before major sections */
}

#summary h2{
  break-before: auto;   /* keep summary on first page */
}

h3{
  font-size: 12pt;
  margin: 14pt 0 6pt 0;
  font-weight: 700;
}

p, li, dt, dd{
  font-size: 11pt;
}

.subtitle{
  margin: 0 0 8pt 0;
  color: var(--muted);
}

hr{
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 10pt 0 12pt 0;
}

/* Metadata block */
.meta{
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8pt 12pt;
  margin: 10pt 0 0 0;
}

.meta dt{
  font-weight: 700;
  margin: 0;
}

.meta dd{
  margin: 0;
  color: var(--muted);
}

/* Lists */
ul, ol{
  margin: 6pt 0 10pt 18pt;
  padding: 0;
}

li{
  margin: 0 0 4pt 0;
}

/* Links: allow wrapping so URLs never overflow margins */
a{
  color: #000;
  text-decoration: underline;
  text-underline-offset: 2px;
  word-break: break-word;
  overflow-wrap: anywhere;
}

/* Callouts */
.callout{
  border: 1px solid var(--rule);
  padding: 10pt;
  margin: 10pt 0;
  border-radius: 6pt;
}

.callout-title{
  margin: 0 0 6pt 0;
  font-weight: 700;
}

/* Code blocks: wrap to avoid margin overflow */
pre{
  margin: 10pt 0;
  padding: 10pt;
  border: 1px solid var(--rule);
  border-radius: 6pt;
  background: #fafafa;
  max-width: 100%;
  overflow: hidden;        /* avoid spilling outside margins */
}

code{
  font-family: var(--mono);
  font-size: 9.5pt;
  white-space: pre-wrap;   /* wrap long lines */
  word-break: break-word;
  overflow-wrap: anywhere;
}

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

/* Footnotes */
.footnotes{
  margin-left: 18pt;
}

.footnotes li{
  margin-bottom: 8pt;
}

.backref{
  display: inline-block;
  margin-left: 6pt;
  font-size: 10pt;
  color: var(--muted);
}

.smallprint{
  font-size: 9.5pt;
  color: var(--muted);
}

/* Print-specific tweaks */
@media print{
  a{
    color: #000;
  }

  /* Avoid orphaned headings */
  h2, h3{
    break-after: avoid;
  }

  /* Keep callouts and code blocks intact when possible */
  .callout, pre{
    break-inside: avoid;
  }

  /* Ensure footer doesn't overlap */
  .doc-footer{
    break-before: avoid;
  }
}