/* ---------------- Body & Global ---------------- */
body {
  font-family: 'San Francisco', 'Segoe UI', 'Open Sans', sans-serif;
  margin: 0 auto;
  max-width: min(100%, 210mm);
  padding: 2em 1em 0;
  background-color: #F0EFDD;
  text-align: justify;
}

/* ---------------- Headings ---------------- */
h1, h2, h3, h4 {
  margin: 0 0 1em;
}

h1, nav, footer { text-align: center; }

/* ---------------- Paragraph & Lists---------------- */

p + h1,
p + h2,
p + h3,
p + h4 {
  margin-top: 1em; /* adjust the space as needed */
}

p + ul,
p + ol {
  margin-top: 1em; /* space between paragraph and list */
}

li { margin-bottom: 1em; }

/* ---------------- Navigation & Footer ---------------- */
nav { 
  margin-bottom: 3em; 
  border-bottom: 1px solid #ccc; /* grey line like footer */
  padding-bottom: 1em;          /* space between nav content and the line */
}

footer { 
  margin: 5em 0 1em; 
  border-top: 1px solid #ccc; /* grey line */
  padding-top: 1em;           /* space between line and footer content */
}

/* ---------------- Links ---------------- */
a {
  color: blue; text-decoration: none
}

/* ---------------- Utility ---------------- */
.margin-quarter { margin: 0.25em; }

/* Make PDF icons inline with the text in list items */
li a img {
  width: 16px;
  height: 16px;
  vertical-align: middle; /* aligns icon with text */
  display: inline;        /* ensures the image stays inline */
  margin-left: 0.2em;     /* small space between text and icon */
}

/* Add spacing before Source Code links */
li a + a {
  margin-left: 0.5em;     /* space between PDF icon and Source Code link */
}

/* ---------------- Articles ---------------- */
article {
  margin-bottom: 3em;        /* space after each article */
  padding-bottom: 1.5em;     /* space inside before the divider */
  border-bottom: 1px solid #ccc; /* subtle grey line separator */
}

article h3 {
  font-size: 1.5em;       /* make titles larger */
  margin-bottom: 0.5em;   /* small gap below the title */
  color: #333366;         /* deep bluish tone for distinction */
  text-align: left;       /* align left for readability */
}

article:last-of-type {
  border-bottom: none;       /* remove line after the last article */
}

/* ---------------- Code ---------------- */
code {
  font-family: 'Menlo', 'Fira Mono', monospace;
  padding: 0.05em 0.1em;
  background-color: Gainsboro;
  border-radius: 0.2em;
  white-space: pre-wrap;
}

/* ---------------- Images ---------------- */
img {
  display: block;       /* ensures margins work consistently */
  margin: 1em auto;     /* 1em top & bottom, auto left/right to center */
  max-width: 100%;
  height: auto;
}

/* ---------------- Cookies Policy ---------------- */
.cookies_policy {
  position: fixed;
  bottom: 0;
  background: #fff;
  padding: 0 0.2em;
  margin: 0 auto;
  border: 1px solid;
  border-radius: 5px;
}

.cookies_policy + footer { margin-bottom: 2em; }
p.cookies_policy span { color: blue; cursor: pointer; }

/* ---------------- Mobile adjustments ---------------- */
@media (max-width: 600px) {
  body {
    font-size: 0.95em;
    padding: 1.5em 0.75em 0;
  }

  h1 { font-size: 2em; }
  h2 { font-size: 1.75em; }
  h3 { font-size: 1.25em; }
  h4 { font-size: 1.1em; }

  nav, footer { margin: 2em 0; }
  li { margin-bottom: 0.8em; }
}

/* ---------------- Calculator Box ---------------- */
.calculator-box {
  background-color: #fff;
  border: 1px solid #ccc;
  border-radius: 6px;
  padding: 1em;
  margin-top: 2em;
}

.calculator-box label {
  display: block;
  margin-top: 0.75em;
  font-weight: bold;
}

.calculator-box input {
  width: 200px;
  padding: 0.4em;
  margin-top: 0.3em;
}

.calculator-box button {
  margin-top: 1em;
  padding: 0.6em 1.2em;
  font-size: 1em;
  cursor: pointer;
  border: 1px solid #999;
  border-radius: 4px;
  background-color: #f8f8f8;
}

.calculator-box button:hover {
  background-color: #e0e0e0;
}

.calculator-box pre {
  background-color: #f4f4f4;
  padding: 0.8em;
  margin-top: 1em;
  white-space: pre-wrap;
  border-radius: 4px;
  font-family: 'Menlo', 'Fira Mono', monospace;
}