/* Ultra-subtle paper background */
body {
  background: #fdfcf9; /* very soft warm white */
  background-image:
      radial-gradient(#f2f0ec 0.4px, transparent 0.4px),
      radial-gradient(#f2f0ec 0.4px, transparent 0.4px);
  background-size: 12px 12px, 12px 12px;  /* larger spacing for subtlety */
  background-position: 0 0, 6px 6px;      /* staggered offset */
  background-attachment: fixed;
}

.output {
  color: green;
  background-color: black;
}

p.caption {
  color: #777;
  margin-top: 10px;
}

p code {
  white-space: inherit;
}

pre {
  word-break: normal;
  word-wrap: normal;
}

pre code {
  white-space: inherit;
}

.space {
  margin-top: 12px;
}

a {
  color: #FF5900;
}

a:hover {
  color: #FF5900;
}

#content {
  padding: 0px 12px 0px 12px;
  /*max-height: 0;*/
  overflow: hidden;
  transition: max-height 0.2s ease-out;
  background-color: #eeeeee;
  margin-bottom: 24px
}

.collapsible {
  margin-top: 10px;
  background-color: lightgray;
  color: black;
  cursor: pointer;
  width: 100%;
  border: none;
  text-align: left;
  outline: none;
  font-size: 15px;
}

.collapsible:hover {
  background-color: #FF5900;
  color: white;
}

.collapsible:after {
  content: '\002B';
  color: black;
  font-weight: bold;
  float: right;
  margin-left: 5px;
}

.active:after {
  content: "\2212";
  color: white;
}

.orange {
  color: #FF5900;
}

table {
  font-family: arial, sans-serif;
  border-collapse: collapse;
  margin-top: 20px;
  margin-bottom: 20px;
  width: 100%;
}

td, th {
  border: 1px solid #dddddd;
  text-align: left;
  padding: 8px;
}

tr:nth-child(even) {
  background-color: #f8f9fa;
}

#ind50 {
  margin-left: 50px;
}

#ind60 {
  margin-left: 30px;
}

hr {
  height: 4px;
  background-color: #FF5900;
}

#no {
  color: #FF5900;
  font-siZe: 150%;
  font-weight: bold;
}

#thin {
  margin-top: 35px;
  height: 1px;
  background-color: #FF5900;
}

#thick {
  margin-top: 35px;
  height: 4px;
  background-color: #FF5900;
}

.navbar .nav-link { color: #FF5900 !important; }

/* Custom color for collapsible solution callout */
.callout.callout-note.solution {
  border-left: 4px solid #FF5900 !important;
}

.callout.callout-note.solution .callout-header {
  background-color: #FFE1CC !important;  /* optional soft orange */
  
}

.callout.callout-note.solution .callout-icon-container {
  color: #FF5900 !important;
}