/* STRUCT Components CSS */

/* Navigation Bar */
.navbar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) 0;
}

.navbar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8); /* Add proper spacing between sections */
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  font-size: var(--text-xl);
  color: var(--color-primary);
  flex-shrink: 0; /* Prevent logo from shrinking */
}

.navbar-nav {
  display: flex;
  gap: var(--space-6);
  list-style: none;
  margin-left: auto; /* Push navigation to the right side */
  margin-right: var(--space-4); /* Add space before search/theme toggle */
}

.navbar-nav a {
  color: var(--color-text-secondary);
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-bg-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-bg-secondary);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
}

.btn-ghost:hover {
  background-color: var(--color-bg-secondary);
  color: var(--color-primary);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

/* Cards */
.card {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all var(--transition-normal);
}

.card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card-header {
  margin-bottom: var(--space-4);
}

.card-title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.card-description {
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

.card-content {
  margin-bottom: var(--space-4);
}

.card-footer {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-4);
  margin-top: var(--space-4);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
  padding: var(--space-20) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 20%, var(--color-primary) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, var(--color-secondary) 0%, transparent 50%);
  opacity: 0.1;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
  font-weight: 700;
  margin-bottom: var(--space-6);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-8);
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* Installation Tabs */
.installation-tabs {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.tab-buttons {
  display: flex;
  background-color: var(--color-bg-tertiary);
  border-bottom: 1px solid var(--color-border);
}

.tab-button {
  flex: 1;
  padding: var(--space-4);
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  border-right: 1px solid var(--color-border);
}

.tab-button:last-child {
  border-right: none;
}

.tab-button.active {
  background-color: var(--color-bg-secondary);
  color: var(--color-primary);
}

.tab-button:hover:not(.active) {
  background-color: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.tab-content {
  padding: var(--space-6);
}

.tab-pane {
  display: none;
}

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

/* Code Block with Copy Button */
.code-block {
  position: relative;
  margin: var(--space-4) 0;
}

.code-block pre {
  margin: 0;
  padding-right: var(--space-12);
}

.copy-button {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--text-xs);
  transition: all var(--transition-fast);
}

.copy-button:hover {
  background-color: var(--color-primary);
  color: var(--color-bg-primary);
}

/* Feature Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
  margin: var(--space-12) 0;
}

.feature-card {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  transition: all var(--transition-normal);
}

.feature-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
  color: var(--color-primary);
}

.feature-title {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--color-text-primary);
}

.feature-description {
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* GitHub Stats */
.github-stats {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  margin: var(--space-8) 0;
}

.stat-item {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-6);
  text-align: center;
  min-width: 120px;
}

.stat-value {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-primary);
  display: block;
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

/* Demo Carousel */
.demo-carousel {
  position: relative;
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: var(--space-8) 0;
}

.demo-tabs {
  display: flex;
  background-color: var(--color-bg-tertiary);
  border-bottom: 1px solid var(--color-border);
  overflow-x: auto;
}

.demo-tab {
  padding: var(--space-3) var(--space-4);
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  border-right: 1px solid var(--color-border);
}

.demo-tab:last-child {
  border-right: none;
}

.demo-tab.active {
  background-color: var(--color-bg-secondary);
  color: var(--color-primary);
}

.demo-tab:hover:not(.active) {
  background-color: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.demo-content {
  padding: var(--space-6);
  text-align: center;
}

.demo-content-item {
  display: none;
  animation: fadeIn 0.3s ease-in-out;
}

.demo-content-item.active {
  display: block;
}

.demo-video {
  max-width: 100%;
  border-radius: var(--radius-md);
  margin: var(--space-4) 0;
}

/* Footer */
.footer {
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-12) 0 var(--space-8);
  margin-top: var(--space-20);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.footer-section h3 {
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: var(--space-2);
}

.footer-section a {
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.footer-section a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-6);
  text-align: center;
  color: var(--color-text-muted);
}

/* Responsive Design */
@media (max-width: 768px) {
  .navbar-nav {
    display: none;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 300px;
  }

  .tab-buttons {
    flex-direction: column;
  }

  .tab-button {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }

  .tab-button:last-child {
    border-bottom: none;
  }

  .github-stats {
    flex-direction: column;
    align-items: center;
  }

  .stat-item {
    min-width: 200px;
  }
}

/* Loading States */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

.skeleton {
  background: linear-gradient(90deg, var(--color-bg-secondary) 25%, var(--color-bg-tertiary) 50%, var(--color-bg-secondary) 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Utilities for JavaScript Components */
.fade-in {
  animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-up {
  animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
  from {
    transform: translateY(10px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Responsive Navigation */
@media (max-width: 1024px) {
  .navbar-content {
    gap: var(--space-6); /* Reduce gap on tablets */
  }

  .navbar-nav {
    gap: var(--space-4); /* Reduce menu item spacing */
    margin-right: var(--space-3);
  }
}

@media (max-width: 768px) {
  .navbar {
    padding: var(--space-3) 0; /* Reduce navbar height on mobile */
  }

  .navbar-content {
    gap: var(--space-4); /* Further reduce gap on mobile */
    flex-wrap: nowrap; /* Prevent wrapping */
  }

  .navbar-brand {
    font-size: var(--text-lg); /* Slightly smaller logo text */
    gap: var(--space-2);
  }

  .navbar-nav {
    gap: var(--space-3); /* Tighter spacing on mobile */
    margin-right: var(--space-2);
  }

  .navbar-nav a {
    font-size: var(--text-sm); /* Smaller menu text */
    padding: var(--space-2) 0; /* Add vertical padding for better touch targets */
  }
}

@media (max-width: 640px) {
  .navbar-content {
    gap: var(--space-3);
  }

  .navbar-nav {
    gap: var(--space-2);
    margin-right: var(--space-1);
  }

  /* Hide some menu items on very small screens if needed */
  .navbar-nav li:nth-child(n+4) {
    display: none;
  }
}

@media (max-width: 480px) {
  .navbar-brand {
    font-size: var(--text-base);
  }

  .navbar-nav {
    gap: var(--space-1);
  }

  /* Show only essential menu items */
  .navbar-nav li:nth-child(n+3) {
    display: none;
  }
}