:root {
  --primary-color: #2563eb;
  --secondary-color: #1e40af;
  --background-color: #ffffff;
  --text-color: #1f2937;
  --sidebar-width: 280px;
  --header-height: 60px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

ul {
  margin-left: 20px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
}

nav {
  position: fixed;
  width: 100%;
  height: var(--header-height);
  background: var(--background-color);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  z-index: 1000;
}

.nav-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.container {
  display: flex;
  min-height: calc(100vh - var(--header-height));
  padding-top: var(--header-height);
}

.sidebar {
  width: var(--sidebar-width);
  background: #f8fafc;
  border-right: 1px solid #e2e8f0;
  position: fixed;
  height: calc(100vh - var(--header-height));
  overflow-y: auto;
  padding: 20px;
}

.content {
  margin-left: var(--sidebar-width);
  padding: 40px;
  flex: 1;
  max-width: calc(100% - var(--sidebar-width));
}

.search-box {
  margin-bottom: 20px;
}

.search-box input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
}

.nav-links {
  list-style: none;
}

.nav-links a {
  display: block;
  padding: 8px 0;
  color: var(--text-color);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--primary-color);
}

section {
  margin-bottom: 40px;
}

.installation-tabs {
  margin: 20px 0;
}

.tab-btn {
  padding: 8px 16px;
  border: none;
  background: #f8fafc;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}

.tab-btn.active {
  border-bottom-color: var(--primary-color);
  color: var(--primary-color);
}

.tab-content {
  display: none;
  padding: 20px;
  background: #f5f2f0;
  border-radius: 6px;
}

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

.muted {
  color: #718096;
}


@media (max-width: 768px) {
  .sidebar {
      transform: translateX(-100%);
      transition: transform 0.3s ease;
  }

  .sidebar.active {
      transform: translateX(0);
  }

  .content {
      margin-left: 0;
      max-width: 100%;
  }
}