/* css/style.css */
:root {
  --color-bg-primary: #0a0a0f;
  --color-bg-secondary: #12121a;
  --color-bg-tertiary: #1a1a25;
  --color-accent-primary: #00f3ff;
  --color-accent-secondary: #9d4edd;
  --color-accent-tertiary: #ff006e;
  --color-text-primary: #e0e0e0;
  --color-text-secondary: #a0a0b0;
  --color-text-muted: #606070;
  --color-border: #252535;
  --color-glow: rgba(0, 243, 255, 0.7);
  --shadow-glow: 0 0 15px var(--color-glow);
  --border-radius: 8px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Exo 2', sans-serif;
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Mobile Header */
.mobile-header {
  display: flex;
  align-items: center;
  padding: 1rem;
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.menu-toggle {
  background: none;
  border: none;
  width: 24px;
  height: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  margin-right: 1rem;
}

.menu-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--color-text-primary);
  transition: var(--transition);
}

.mobile-logo {
  font-family: 'Orbitron', monospace;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-accent-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Side Navigation */
.sidenav {
  position: fixed;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100vh;
  background-color: var(--color-bg-secondary);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  padding: 1.5rem 1rem;
  z-index: 2000;
  transition: left 0.3s ease;
  overflow-y: auto;
  forced-color-adjust: none;
}

.sidenav.active {
  left: 0;
}

.nav-header {
  margin-bottom: 2rem;
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.logo {
  font-family: 'Orbitron', monospace;
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--color-accent-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.close-menu {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.close-menu:hover {
  color: var(--color-text-primary);
}

.nav-subtitle {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  font-family: 'Share Tech Mono', monospace;
  letter-spacing: 1px;
}

.nav-topics {
  flex-grow: 1;
  overflow-y: auto;
  margin-bottom: 2rem;
}

.nav-links-container {
  max-height: calc(100vh - 200px);
  overflow-y: auto;
  padding-right: 4px;
}

.nav-link {
  display: block;
  padding: 0.6rem 0.8rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  transition: var(--transition);
  border-radius: var(--border-radius);
  margin-bottom: 0.25rem;
  border: 1px solid transparent;
}

.nav-link:hover {
  color: var(--color-text-primary);
  background-color: var(--color-bg-tertiary);
  border-color: var(--color-border);
}

.nav-link.active {
  color: var(--color-accent-primary);
  background-color: rgba(0, 243, 255, 0.1);
  border-color: var(--color-accent-primary);
  font-weight: 600;
}

.nav-footer {
  border-top: 1px solid var(--color-border);
  padding-top: 1rem;
}

.system-status {
  display: flex;
  align-items: center;
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #00ff88;
  margin-right: 0.5rem;
  box-shadow: 0 0 6px #00ff88;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { opacity: 0.7; }
  50% { opacity: 1; }
  100% { opacity: 0.7; }
}

.status-text {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  font-family: 'Share Tech Mono', monospace;
}

/* Main Content */
.main-content {
  flex: 1;
  padding: 1.5rem;
  background-color: var(--color-bg-primary);
}

/* Home Hero Section */
.home-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem 0;
  margin-bottom: 3rem;
}

.hero-content {
  margin-bottom: 2rem;
}

.hero-title {
  font-family: 'Orbitron', monospace;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(90deg, var(--color-accent-primary), var(--color-accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.title-line {
  display: block;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 500px;
  line-height: 1.6;
}

.hero-visual {
  position: relative;
  width: 100%;
  max-width: 400px;
  height: 300px;
}

.floating-quote {
  position: absolute;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 1rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: var(--transition);
  opacity: 0;
  animation: floatIn 1s ease forwards;
}

.floating-quote:nth-child(1) {
  top: 20%;
  left: 10%;
  animation-delay: 0.2s;
}

.floating-quote:nth-child(2) {
  top: 50%;
  right: 10%;
  animation-delay: 0.5s;
}

.floating-quote:nth-child(3) {
  bottom: 20%;
  left: 20%;
  animation-delay: 0.8s;
}

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

.quote-content p {
  font-style: italic;
  color: var(--color-text-primary);
  margin: 0;
  font-size: 0.9rem;
}

/* Section Titles */
.section-title {
  font-family: 'Orbitron', monospace;
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 2rem;
  text-align: center;
  color: var(--color-text-primary);
}

/* Featured Themes */
.featured-themes {
  margin-bottom: 3rem;
}

.themes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.theme-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  text-decoration: none;
  color: var(--color-text-primary);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  forced-color-adjust: none;
}

.theme-card:hover {
  border-color: var(--color-accent-primary);
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
}

.theme-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.theme-card h3 {
  font-family: 'Orbitron', monospace;
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--color-accent-primary);
}

.theme-card p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Quote Showcase */
.quote-showcase {
  margin-bottom: 3rem;
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.showcase-item {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.showcase-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(to bottom, var(--color-accent-primary), var(--color-accent-secondary));
}

.showcase-item:hover {
  border-color: var(--color-accent-primary);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.showcase-item .quote-text p {
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text-primary);
  font-style: italic;
  margin: 0;
}

/* Content Header */
.content-header {
  margin-bottom: 1.5rem;
}

.breadcrumb {
  display: flex;
  align-items: center;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  flex-wrap: wrap;
  gap: 0.25rem;
}

.breadcrumb a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.breadcrumb a:hover {
  color: var(--color-accent-primary);
}

.breadcrumb-item.active {
  color: var(--color-accent-primary);
  font-weight: 500;
}

.breadcrumb-divider {
  color: var(--color-text-muted);
}

/* Topic Hero */
.topic-hero {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.topic-title {
  font-family: 'Orbitron', monospace;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: linear-gradient(90deg, var(--color-accent-primary), var(--color-accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.topic-description {
  font-size: 1rem;
  color: var(--color-text-secondary);
  max-width: 500px;
}

/* Quotes Container */
.quotes-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin: 0 auto;
}

/* Quote Cards */
.quote-card {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  forced-color-adjust: none;
}

.quote-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(to bottom, var(--color-accent-primary), var(--color-accent-secondary));
}

.quote-card:hover {
  border-color: var(--color-accent-primary);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.quote-card .quote-text {
  margin: 0;
}

.quote-card .quote-text p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text-primary);
  font-style: italic;
  margin: 0;
}

/* Highlight Card */
.quote-card.highlight {
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, rgba(255, 0, 110, 0.08) 100%);
  border-color: var(--color-accent-tertiary);
  padding: 2rem;
}

.quote-card.highlight::before {
  background: linear-gradient(to bottom, var(--color-accent-tertiary), #ff6b9c);
  width: 4px;
}

.quote-card.highlight .quote-text p {
  color: var(--color-accent-tertiary);
  font-weight: 600;
  font-size: 1.1rem;
  text-align: center;
}

/* Focus States */
.nav-link:focus-visible,
.menu-toggle:focus-visible,
.close-menu:focus-visible,
.theme-card:focus-visible {
  outline: 2px solid var(--color-accent-primary);
  outline-offset: 2px;
}

.quote-card:focus-within {
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 1px var(--color-accent-primary);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent-primary);
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .floating-quote {
    animation: none;
    opacity: 1;
  }

  .quote-card {
    opacity: 1;
    transform: none;
  }
}

/* Desktop Styles */
@media (min-width: 768px) {
  .container {
    flex-direction: row;
  }

  .mobile-header {
    display: none;
  }

  .sidenav {
    position: fixed;
    left: 0;
    width: 280px;
    height: 100vh;
  }

  .main-content {
    margin-left: 280px;
    padding: 2rem 3rem;
  }

  .home-hero {
    flex-direction: row;
    text-align: left;
    justify-content: space-between;
  }

  .hero-content {
    flex: 1;
    margin-bottom: 0;
    margin-right: 2rem;
  }

  .hero-visual {
    flex: 1;
    max-width: none;
  }

  .quotes-container {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }

  .quote-card.highlight {
    grid-column: 1 / -1;
  }

  .topic-title {
    font-size: 2.2rem;
  }
}

@media (min-width: 1024px) {
  .sidenav {
    width: 300px;
  }

  .main-content {
    margin-left: 300px;
  }

  .quotes-container {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  }

  .themes-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Print Styles */
@media print {
  .mobile-header,
  .sidenav {
    display: none;
  }

  .main-content {
    margin-left: 0;
    padding: 1rem;
  }

  .quote-card {
    break-inside: avoid;
    border: 1px solid #000;
    box-shadow: none;
    opacity: 1;
    transform: none;
  }

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.8rem;
    color: #333;
  }

  .nav-link[href]::after {
    content: none;
  }
}

/* ------------------------------------------------------
   NAV CATEGORY DROPDOWNS – updated for accordion behaviour
   ------------------------------------------------------ */
.nav-category-heading {
  font-family: 'Orbitron', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-accent-secondary);
  margin-top: 1.25rem;
  margin-bottom: 0.4rem;
  padding: 0 0.8rem;
  opacity: 0.8;
  cursor: pointer;
  user-select: none;
  position: relative;
}

.nav-category-heading:first-child {
  margin-top: 0.4rem;
}

/* dropdown arrow */
.nav-category-heading::after {
  content: ' ▾';
  font-size: 0.7em;
  position: absolute;
  right: 0.8rem;
  transition: transform 0.2s ease;
}

.nav-category-list {
  display: none;
}

.nav-category-list.open {
  display: block;
}