/* Reset default browser styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Define CSS variables for reusability */
:root {
  --font-family: 'Lato', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --line-height: 1.6;
  --background-color: #f9f9f9;
  --container-bg-color: #fff;
  --border-color: #ddd;
  --border-radius: 12px; /* Increased border-radius for a softer look */
  --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1); /* Slightly increased shadow for better depth */
  --text-color: #333;
  --text-hover-color: #007BFF; /* Blue hover color for better interactivity */
  --nested-text-color: #555;
  --nested-text-hover-color: #0096FF; /* Slightly brighter blue for nested items */
  --container-padding: 20px;
  --nested-list-padding: 20px;
  --nested-list-margin: 12px;
  --item-margin-bottom: 12px;
  --font-size-base: 16px;
  --font-size-summary: 18px;
  --font-size-title: 36px; /* Font size for the title */
  --font-size-subtitle: 18px; /* Font size for the subtitle */
}

/* Fonts and general styles */
body {
  font-family: 'Lato', sans-serif;
  line-height: 1.6;
  background-color: #f9f9f9;
  color: #333;
  font-size: 16px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px;
}

.image_container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 5px;
}

/* Header styles */
.header {
  background-color: #007BFF;
  color: #fff;
  padding: 20px 0;
  text-align: center;
}

.header h1 {
  font-size: 5em;
  font-weight: 700;
  margin-bottom: 5px;
}

.subtitle {
  font-size: 1.5em;
  font-style: italic;
}

/* Section styles */
.section {
  padding: 20px 0;
}

.section-title {
  text-align: center;
  font-size: 2em;
  margin-bottom: 40px;
}

.section-title .subtitle {
  text-align: center;
  font-size: var(--font-size-subtitle);
  font-style: italic;
  color: #777; /* Example color for the subtitle */
}


/* Image Gallery styles */
.image-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.image-item {
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.image-item img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px 12px 0 0;
  transition: transform 0.3s ease;
}

.image-item:hover {
  transform: translateY(-5px);
}

.image-item figcaption {
  background-color: rgba(0, 0, 0, 0.8);
  color: #fff;
  padding: 10px;
  text-align: center;
  font-size: 14px;
}

/* Useful Links styles */
.useful-links {
  background-color: #fff;
  border: 1px solid #ddd;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  padding: 20px;
}

.useful-links ul {
  list-style: none;
  padding: 0;
}

.useful-links ul li {
  margin-bottom: 10px;
}

.useful-links ul li a {
  color: #007BFF;
  text-decoration: none;
  font-size: 1.2em;
}

.useful-links ul li a:hover {
  text-decoration: underline;
}

/* Footer styles */
.footer {
  background-color: #007BFF;
  color: #fff;
  text-align: center;
  padding: 20px 0;
  margin-top: 40px;
}

.scaled-image {
  max-width: 100%; /* Scale down to fit container width */
  height: auto; /* Maintain aspect ratio */
  cursor: pointer; /* Optional: Add pointer cursor for interaction */
}

.image-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 20px; /* Adjust as needed */
}

.image-item {
  width: calc(33.33% - 10px); /* Adjust based on number of images per row */
  margin-bottom: 20px;
}

.wide-image {
  width: 100%; /* Ensure wide image spans full width */
  max-width: 100%; /* Ensure wide image doesn't exceed its container */
  margin-top: 20px; /* Add margin to create space between rows */
}



/* data-list attempt
/* Container for the data list */
.data-list {
  background-color: var(--container-bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--container-padding);
  box-shadow: var(--box-shadow);
  transition: box-shadow 0.5s ease;
  max-width: 800px;
  margin: 0 auto 20px; /* Center align and add bottom margin */
}

.data-list:hover {
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2); /* Enhanced shadow on hover */
}

/* Styles for list items */
.dict-item {
  margin-bottom: var(--item-margin-bottom);
  list-style: none;
}

/* Details and summary styles */
.dict-item > details > summary {
  cursor: pointer;
  font-weight: bold;
  color: var(--text-color);
  font-size: var(--font-size-summary);
  transition: color 0.3s ease, font-size 0.3s ease;
}

.dict-item > details > summary:hover {
  color: var(--text-hover-color);
  font-size: calc(var(--font-size-summary) + 2px); /* Slightly increase font size on hover */
}

/* Nested lists indentation */
.dict-item > details > ul {
  padding-left: var(--nested-list-padding);
  margin-top: var(--nested-list-margin);
}

/* Different levels of nesting */
.dict-item > details > ul > .dict-item > details > summary {
  color: var(--nested-text-color);
  font-weight: normal;
  transition: color 0.3s ease, font-size 0.3s ease;
}

.dict-item > details > ul > .dict-item > details > summary:hover {
  color: var(--nested-text-hover-color);
  font-size: calc(var(--font-size-base) + 2px); /* Slightly increase font size on hover */
}

/* Dataset grid styles */
.dataset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); /* Reduce min width */
  gap: 10px;
  margin-top: 20px;
}

.dataset-item {
  background-color: #fff; /* White background for the button */
  color: #000; /* Black text color by default */
  padding: 10px 20px;
  text-align: center;
  border-radius: 8px;
  border: 2px solid #ddd; /* Light border to define the button */
  text-decoration: none;
  transition: color 0.3s ease, border-color 0.3s ease; /* Smooth transition for text and border color */
}

.dataset-item:hover {
  color: #007BFF; /* Blue text on hover */
  border-color: #007BFF; /* Change border color to blue on hover */
}

/* Smaller font size for long names */
.dataset-item.long-name {
  font-size: 0.75em; /* Further reduce font size */
}

/* Wrap long text in multiple lines */
.dataset-item.wrap-text {
  white-space: normal; /* Allow wrapping */
  word-break: break-word; /* Break words if necessary */
  font-size: 0.8em; /* Further reduce font size for wrapping */
}

.note {
  margin-top: 1px;
  text-align: center;
  font-size: 1.2em;
  color: #555; /* Adjust color to match your theme */
  font-style: italic; /* Italicize the note */
}