:root {
  --primary-color: #0A192F;
  --accent-color: #64FFDA;
  --secondary-color: #7B61FF;
  --background-color: #000000;
  --text-color: #FFFFFF;
}

body {
  font-family: 'Roboto Mono', 'Fira Code', sans-serif;
  background: linear-gradient(135deg, var(--primary-color), #000000);
  color: var(--text-color);
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(10, 25, 47, 0.9);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
}

header h1 {
  font-size: 24px;
  color: var(--accent-color);
  margin: 0;
}

main {
  margin-top: 80px;
  padding: 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.tab-container {
  display: flex;
  flex-direction: column;
  background: rgba(0, 0, 0, 0.7);
  border-radius: 10px;
  overflow: hidden;
}

.tab-list {
  display: flex;
  border-bottom: 1px solid var(--accent-color);
}

.tab-item {
  padding: 15px;
  cursor: pointer;
  color: var(--text-color);
  transition: all 0.3s ease;
  text-align: center;
}

.tab-item:hover {
  background: rgba(255, 255, 255, 0.1);
}

.tab-item.active {
  border-bottom: 2px solid var(--accent-color);
  background: rgba(10, 25, 47, 0.9);
}

.tab-content {
  padding: 20px;
  position: relative;
}

.tab-pane {
  display: none;
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
}

.tab-pane.active {
  display: block;
  opacity: 1;
}

img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
}

code {
  background: rgba(255, 255, 255, 0.1);
  padding: 5px 10px;
  border-radius: 5px;
  color: var(--accent-color);
}

pre {
  background: rgba(0, 0, 0, 0.8);
  padding: 15px;
  border-radius: 10px;
  overflow-x: auto;
}

@media (max-width: 768px) {
  .tab-list {
    flex-direction: column;
  }

  .tab-item {
    padding: 10px;
    text-align: center;
  }
}