body {
  font-family: 'Roboto', Arial, sans-serif; 
  font-size: 16px;
  line-height: 1.5;
  margin: 0;
  padding: 0;
  background-color: #f5f5f9; 
  color: #333; 
}

header {
  background-color: #4a148c; 
  color: white;
  padding: 30px;
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700; 
}

footer {
  background-color: #4a148c;
  color: white;
  text-align: center;
  padding: 15px;
  font-size: 1.2rem;
  font-weight: 500; 
}


section h2 {
  text-align: center;
  font-family: 'Roboto', Arial, sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: #4a148c; 
  margin-bottom: 20px;
}

section h3 {
  font-size: 1.8em;
  margin-bottom: 10px;
  color: #762ec4;
}

section ul {
  list-style-type: disc;
  margin-left: 20px;
  padding-left: 10px;
}

section ul li {
  margin-bottom: 15px;
  font-size: 16px;
  line-height: 1.5;

}

section ul li strong {
  color: #007bff;
  font-size: 1.2em;
}

footer a {
  color: #c87d55;
}

.grid-container {
  display: grid;
  grid-template-columns: 1fr 1fr; 
  grid-template-rows: auto auto;
  gap: 20px; 
  padding: 20px; 
}

#timeline_chart {
  grid-column: 1 / 3; 
  grid-row: 1; 
  text-align: center; 
  background-color: #e3f2fd;
  padding: 20px;
}

#donut-chart {
  grid-column: 1;
  grid-row: 2; 
  background-color: #e3f2fd;
  padding: 20px;
}
#Bars {
  grid-column: 2;
  grid-row: 2;
  background-color: #e3f2fd;
  padding: 20px;
}
#spider-chart-panel {
  grid-column: 1 / 3;
  grid-row: 3;
  background-color: #f4f4f4;
  padding: 20px;
}

.toggle-container {
  text-align: center;
  margin-bottom: 20px;
}

#spider-chart-panel .charts-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

#spider-chart, #spider-chart2 {
  flex: 1;
  text-align: center;
}

#spider-chart {
  background-color: #e3f2fd;
}

#spider-chart2 {
  background-color: #ffcccc;
}

#spider-chart .spider-chart-wrapper,
#spider-chart2 .spider-chart-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
}

i.fab.fa-github {
  font-size: 1.5em;
  color: #000000; 
  margin-right: 8px;
  transition: color 0.3s ease;
}


.left-panel {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.left-panel section {
  background-color: #ffffff;
  border: 1px solid #ddd;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1); 
}

.right-panel {
  background-color: #ffffff;
  border: 1px solid #ddd;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.spider-chart-panel {
  display: flex;
  justify-content: center; 
  gap: 20px;
}

.spider-chart-panel section {
  background-color: #ffffff;
  border: 1px solid #ddd;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1); 
}

.spider-chart-panel .hidden {
  display: none;
}

.spider-chart-panel:has(section:not(.hidden):only-of-type) {
  justify-content: center; 
}

svg {
  display: block;
  margin: 0 auto;
  border: 1px solid #ddd;
  background-color: #fafafa;
}

.cover-image {
  position: relative;
  height: 300px;
  background-image: url("Images/banner/banner_cropped.png");
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  width: 100%;
  overflow: hidden;
}

#welcome-svg {
  display: block;
  max-width: 100%;
  height: auto;
  overflow: hidden;
  border-radius: 20px;
}

#welcome-svg image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.tooltip_donut {
  position: absolute;
  opacity: 0;
  background: rgba(74, 20, 140, 0.9); 
  color: white;
  padding: 12px; 
  border-radius: 8px;
  pointer-events: none;
  font-size: 1rem; 
  font-family: 'Roboto', Arial, sans-serif; 
  transition: opacity 0.3s ease, transform 0.3s ease;
  z-index: 10;
}

.circle-container {
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 15px;
  background-color: #f4f4f9;
}

.circle {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  overflow: hidden;
  text-align: center;
  cursor: pointer;
  position: relative;
  background-color: #4a148c; 
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15); 
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.circle:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2); 
}

.circle img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.circle::after {
  content: attr(data-username);
  position: absolute;
  bottom: 15px;
  left: 50%;
  transform: translateX(-50%);
  padding: 8px 12px; 
  background-color: rgba(0, 0, 0, 0.8); 
  color: white;
  font-size: 1.2rem; 
  font-family: 'Roboto', Arial, sans-serif; 
  border-radius: 8px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.circle:hover::after {
  opacity: 1;
  visibility: visible;
}

.circle.selected1 {
  border: 10px solid blue;
  border-radius: 50%; /* Assure que la bordure reste circulaire */
  padding: 2px; /* Optionnel : ajuste l'espace à l'intérieur si nécessaire */
}

.circle.selected2 {
  border: 10px solid red;
  border-radius: 50%; /* Assure que la bordure reste circulaire */
  padding: 2px; /* Optionnel : ajuste l'espace à l'intérieur si nécessaire */
}

.tabs {
  display: flex;
  justify-content: space-around;  
  border-bottom: 2px solid #ccc;
  background-color: #f1f1f1;
}

.tab {
  padding: 12px 30px;
  cursor: pointer;
  border: 1px solid #ccc;
  border-radius: 5px 5px 0 0;
  background-color: #f9f9f9;
  font-size: 18px;
  text-align: center;
  transition: background-color 0.3s, transform 0.2s;
}

.tab:hover {
  background-color: #e2e2e2; 
  transform: scale(1.05); 
}

.tab.active {
  background-color: #fff;
  border-top: 2px solid #007bff;
  border-color: #007bff;
  font-weight: bold;
  color: #007bff;
}

.tab.active:hover {
  background-color: #f4faff; 
  transform: scale(1.05); 
}

.tab-content {
  display: none;
  padding: 20px;
  padding-bottom: 20px;
  background-color: #f9f9f9;
  border: 1px solid #ccc;
  border-radius: 5px;
  animation: fadeIn 0.3s ease-in-out;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

#tab3 p {
  margin-bottom: 15px;
  font-size: 1.2em;
  line-height: 1.6;
  color: #555;
  text-align: justify;

}

.toggle-container {
  display: flex;
  align-items: center;
  margin: 20px;
}

#toggle-label {
  padding-left: 10px; 
}
.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 25px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: 0.4s;
  border-radius: 25px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 19px;
  width: 19px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: 0.4s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: #4a148c;
}

input:checked + .slider:before {
  transform: translateX(25px);
}

#spider-chart-container {
  display: flex;
  justify-content: space-around;
  align-items: center;
}

#spider-chart-compare {
  display: none;
}

#yearSelectorDiv {
  margin-bottom: 10px;
  display: flex;
  justify-content: center;
}

#yearSelect {
  margin-left: 10px;
}

#tab3 {
  padding: 0 3rem;
}

.spider-chart-wrapper {
  display: flex;
  flex-direction: column;
  gap: 10px; 
  padding: 10px;
}

.spider-chart-wrapper label {
  font-size: 1.2em;
  font-weight: 600;
  color: #333;
  margin-bottom: 5px;
}

select {
  padding: 10px 15px;
  font-size: 1em; 
  border: 1px solid #ccc; 
  border-radius: 8px; 
  background-color: #f9f9f9;
  transition: all 0.3s ease; 
}


select:focus {
  border-color: #007bff; 
  background-color: #e6f0ff;
  outline: none; 
}

.hidden {
  display: none;
}

.spider-chart-wrapper div {
  padding: 20px;
  background-color: #f0f0f0;
  border-radius: 8px;
  border: 1px solid #ddd;
}

.content-box {
  width: 80%;
  margin: 0 auto;
  text-align: left;
  padding: 20px;
  margin-bottom: 20px;
  background-color: #f9f9f9;
  border-radius: 10px;
}

p {
  line-height: 1.6;
  font-size: 1.1rem;
}