/* Generate dark mode PDF of the HTML at guide/index.html */

/*
  DARK_MODE_PDF.CSS
  Use this stylesheet when generating a PDF from HTML.
*/

:root {
  /* Color Palette */
  --bg-color: #121212;           /* Deep dark grey (easier on eyes than pure black) */
  --text-primary: #e0e0e0;       /* Off-white for readability */
  --text-secondary: #a0a0a0;     /* Grey for captions/metadata */
  --accent-color: #bb86fc;       /* Light purple accent (optional) */
  --border-color: #333333;       /* Subtle borders */

  /* Fonts - System fonts ensure best rendering across PDF engines */
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* --- RESET & BASE STYLES --- */
* {
  box-sizing: border-box;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-main);
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

/* --- TYPOGRAPHY & HEADINGS --- */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  margin-top: 1.5em;
  margin-bottom: 0.5em;
}

p {
  margin-bottom: 1rem;
  color: var(--text-secondary); /* Slightly dimmer text for body copy */
}

a {
  color: var(--accent-color);
  text-decoration: underline;
}

/* --- CONTAINER & LAYOUT --- */
.container {
  max-width: 800px;
  margin: 40px auto;
  padding: 20px;
}

/* Cards / Sections with dark backgrounds */
.card {
  background-color: #1e1e1e;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
}

/* --- TABLES (Common in PDFs) --- */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  color: var(--text-primary);
}

th, td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

th {
  background-color: #2c2c2c;
  font-weight: bold;
}

tr:last-child td {
  border-bottom: none;
}

/* --- IMAGES --- */
img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 20px 0;
  /* This ensures high contrast images don't get washed out */
  filter: brightness(1.1);
}

/* --- CRITICAL FOR PDF GENERATORS --- */
/* Forces the browser/PDF engine to print background colors and graphics */
@media print {
  @page {
    size: A4; /* Change to 'Letter' if preferred */
    margin: 20mm;
  }

  body {
    background-color: var(--bg-color) !important;
    color: var(--text-primary) !important;
  }

  .card, table th {
    -webkit-print-color-adjust: exact !important; /* Chrome/Safari */
    print-color-adjust: exact !important;          /* Firefox/Standard */
    background-color: #1e1e1e !important;
    color: var(--text-primary) !important;
  }

  /* Prevent page breaks in the middle of a sentence or card if possible */
  .card {
    break-inside: avoid;
  }

  /* Hide elements you don't want in PDF (like navigation bars) */
  nav, footer, button {
    display: none !important;
  }
}
