/* 
 * GenAI in Additive Manufacturing - Components Styles
 * This file contains styles for specific UI components across the site
 */

/* --------------------------
 * Navigation Bar / Header
 * -------------------------- */
.navbar {
  background-color: var(--background-white);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: var(--spacing-sm) 0;
  --header-height: 64px;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
}

.navbar .logo {
  display: flex;
  align-items: center;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--secondary-dark);
}

.navbar .logo img {
  height: 40px;
  margin-right: var(--spacing-sm);
}

/* Mobile menu button */
.hamburger-menu {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  width: 2rem;
  height: 2rem;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 10;
}

.hamburger-menu:focus {
  outline: none;
}

.hamburger-menu div {
  width: 2rem;
  height: 0.25rem;
  background: var(--secondary-dark);
  border-radius: 10px;
  transition: all 0.3s linear;
  position: relative;
  transform-origin: 1px;
}

/* Mobile navigation links */
.nav-links {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  padding: var(--spacing-sm) var(--spacing-md);
  display: block;
  color: var(--secondary-dark);
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s;
}

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

/* Mobile menu */
@media (max-width: 767px) {
  .nav-links {
    flex-direction: column;
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    background-color: var(--background-white);
    width: 80%;
    max-width: 300px;
    padding-top: 60px;
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform 0.3s ease-in-out;
    opacity: 0;
    visibility: hidden;
  }
  
  .nav-links.open {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-links a {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--secondary-light);
  }
  
  .hamburger-menu.open div:first-child {
    transform: rotate(45deg);
  }
  
  .hamburger-menu.open div:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger-menu.open div:last-child {
    transform: rotate(-45deg);
  }
}

/* --------------------------
 * Search Box
 * -------------------------- */
.search-container {
  position: relative;
  margin-left: auto;
  margin-right: var(--spacing-md);
}

.search-form {
  display: flex;
  align-items: center;
}

.search-input {
  border: 1px solid var(--secondary-light);
  border-radius: 24px;
  padding: var(--spacing-sm) var(--spacing-md);
  padding-left: 40px; /* Space for the icon */
  width: 200px;
  transition: width 0.3s ease, box-shadow 0.3s;
  font-size: 0.95rem;
}

.search-input:focus {
  outline: none;
  width: 250px;
  box-shadow: var(--shadow-sm);
  border-color: var(--primary-blue-light);
}

.search-icon {
  position: absolute;
  left: var(--spacing-sm);
  top: 50%;
  transform: translateY(-50%);
  color: var(--secondary-medium);
  pointer-events: none;
}

/* Mobile search */
@media (max-width: 767px) {
  .search-container {
    margin-right: var(--spacing-sm);
  }
  
  .search-input {
    width: 160px;
  }
  
  .search-input:focus {
    width: 180px;
  }
}

/* --------------------------
 * Buttons
 * -------------------------- */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--primary-blue);
  color: white;
  border: none;
  border-radius: var(--border-radius-md);
  font-weight: 500;
  cursor: pointer;
  text-align: center;
  transition: background-color 0.2s, transform 0.1s;
  text-decoration: none;
}

.btn:hover {
  background-color: var(--primary-blue-light);
  text-decoration: none;
  color: white;
}

.btn:active {
  transform: translateY(1px);
}

.btn-secondary {
  background-color: var(--secondary-medium);
}

.btn-secondary:hover {
  background-color: var(--secondary-dark);
}

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

.btn-outline:hover {
  background-color: var(--primary-blue-lighter);
  color: var(--primary-blue);
}

.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1.1rem;
}

/* --------------------------
 * Cards
 * -------------------------- */
.card {
  background-color: var(--background-white);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}

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

.card-header {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--secondary-light);
}

.card-body {
  padding: var(--spacing-md);
}

.card-footer {
  padding: var(--spacing-md);
  border-top: 1px solid var(--secondary-light);
  background-color: var(--background-light);
}

.card-title {
  margin-top: 0;
  margin-bottom: var(--spacing-sm);
  font-size: 1.25rem;
}

.card-subtitle {
  color: var(--secondary-medium);
  margin-top: 0;
  margin-bottom: var(--spacing-sm);
  font-size: 0.9rem;
}

.card-text {
  color: var(--secondary-dark);
}

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

/* --------------------------
 * Hero Section
 * -------------------------- */
.hero {
  background-color: var(--background-white);
  padding: var(--spacing-xl) 0;
  margin-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--secondary-light);
}

.hero h1 {
  margin-bottom: var(--spacing-md);
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-lg);
  color: var(--secondary-medium);
  max-width: 700px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.hero-image img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius-lg);
}

/* --------------------------
 * Breadcrumbs
 * -------------------------- */
.breadcrumbs {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-sm) 0;
  color: var(--secondary-medium);
  font-size: 0.9rem;
}

.breadcrumbs ul {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  padding: 0;
  margin: 0;
}

.breadcrumbs li {
  display: flex;
  align-items: center;
  margin: 0;
}

.breadcrumbs li:not(:last-child)::after {
  content: "/";
  margin: 0 var(--spacing-sm);
  color: var(--secondary-light);
}

.breadcrumbs a {
  color: var(--secondary-medium);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--primary-blue);
  text-decoration: underline;
}

.breadcrumbs .current {
  color: var(--secondary-dark);
  font-weight: 500;
}

/* --------------------------
 * Content Depth Indicator
 * -------------------------- */
.content-depth-indicator {
  position: fixed;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.depth-marker {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--secondary-light);
  cursor: pointer;
  transition: background-color 0.2s, transform 0.2s;
}

.depth-marker:hover {
  transform: scale(1.2);
}

.depth-marker.active {
  background-color: var(--primary-blue);
}

.depth-marker[data-level="basic"] {
  background-color: var(--accent-green);
}

.depth-marker[data-level="intermediate"] {
  background-color: var(--accent-yellow);
}

.depth-marker[data-level="advanced"] {
  background-color: var(--primary-blue);
}

@media (max-width: 992px) {
  .content-depth-indicator {
    display: none;
  }
}

/* --------------------------
 * Code Blocks & Syntax Highlighting
 * -------------------------- */
.code-block {
  position: relative;
  margin-bottom: var(--spacing-lg);
}

.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--secondary-dark);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md) var(--border-radius-md) 0 0;
  font-family: var(--font-code);
  font-size: 0.9rem;
}

.copy-button {
  background: transparent;
  border: none;
  color: white;
  cursor: pointer;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.copy-button:hover {
  text-decoration: underline;
}

.copy-button:focus {
  outline: none;
}

.code-content {
  overflow-x: auto;
  border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
  border: 1px solid var(--secondary-light);
  border-top: none;
}

.code-content pre {
  margin: 0;
  padding: var(--spacing-md);
}

/* --------------------------
 * Table of Contents
 * -------------------------- */
.toc {
  background-color: var(--background-light);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.toc-title {
  font-size: 1.1rem;
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.toc-list {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
}

.toc-list li {
  margin-bottom: var(--spacing-xs);
}

.toc-list a {
  color: var(--secondary-dark);
  text-decoration: none;
  display: block;
  padding: var(--spacing-xs) 0;
  transition: color 0.2s;
}

.toc-list a:hover {
  color: var(--primary-blue);
}

.toc-list ul {
  list-style: none;
  padding-left: var(--spacing-md);
  margin-top: var(--spacing-xs);
}

/* --------------------------
 * Pagination
 * -------------------------- */
.pagination {
  display: flex;
  justify-content: space-between;
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--secondary-light);
}

.pagination-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--secondary-dark);
  text-decoration: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  transition: background-color 0.2s;
}

.pagination-item:hover {
  background-color: var(--background-light);
  text-decoration: none;
}

.pagination-label {
  font-size: 0.9rem;
  color: var(--secondary-medium);
}

.pagination-title {
  font-weight: 500;
}

/* --------------------------
 * Footer
 * -------------------------- */
footer {
  background-color: var(--secondary-dark);
  color: white;
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-xxl);
}

footer a {
  color: var(--primary-blue-lighter);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
  color: white;
}

.footer-content {
  margin-bottom: var(--spacing-xl);
}

.footer-section {
  margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
  color: white;
  margin-bottom: var(--spacing-md);
  font-size: 1.2rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.copyright {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}