/* Reset and Base Styles */
body {
    font-family: 'Segoe UI', sans-serif;
    background-color: #f5f5f5;
    color: #000000;
    line-height: 1.6;
    text-align: center; /* Only the header should be centered */
    padding: 2rem;
}

/* Header */
header {
    background-color: #000000;
    color: #CBA135;
}
/* Section titles */
/* section h1 {
    color: #000000;
    border-bottom: 2px solid #CBA135;
    display: inline-block;
    padding-bottom: 0.25rem;
    margin-bottom: 0.5rem;
} */

.section-title {
  color: #CBA135;
}

/* Paragraphs */

/* BibTeX Citation Block */
.bibtex-block {
    background-color: #eeeeee;
    border-left: 4px solid #CBA135;
    padding: 1rem;
    margin-top: 1rem;
    font-family: monospace;
    white-space: pre;
    overflow-x: auto;
    font-size: 0.9rem;
    text-align: left;
}

.button-group {
    display: flex;
    gap: 1rem; /* space between buttons */
    justify-content: center; /* center horizontally */
    flex-wrap: wrap; /* wrap on smaller screens */
    margin-bottom: 2rem; /* <-- add vertical space below buttons */
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem; /* space between icon and text */
  background-color: #CBA135; /* Purdue Gold */
  color: #000000;
  padding: 0.6rem 1.3rem;
  font-size: 1rem;
  border-radius: 6px;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.3s;
  border: none;
  font-weight: 600;
  white-space: nowrap;
}

.btn:hover {
  background-color: #b38f2b;
}

a {
    color: #CBA135;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.gif-container {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin: 1rem 0;
}

.gif-container img {
  height: auto;
  border-radius: 8px;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.1);
}

/* If only one image: allow it to expand */
.gif-container img:only-child {
  max-width: 90%;
}

/* If two images: restrict width so they sit side-by-side */
.gif-container img {
  max-width: 48%;
}

.paper-section p {
  font-size: 1rem;
  line-height: 1.7;
  color: #333;
}

.tldr-block {
  border-left: 6px solid #CBA135; /* MERL red */
}

.tldr-title {
  color: #CBA135;
}