/* Layout Styles for Sophisticated Development Theme */

/* Page Layout */
.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-header {
  background: var(--glass-bg);
  border-bottom: 1px solid var(--border-subtle);
  backdrop-filter: var(--glass-blur);
  position: sticky;
  top: 0;
  z-index: var(--z-dropdown);
}

.page-main {
  flex: 1;
  padding: var(--space-2xl) 0;
}

.page-footer {
  background: var(--secondary-bg);
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-xl) 0;
  margin-top: auto;
}

/* Hero Section */
.hero {
  padding: var(--space-2xl) 0;
  text-align: center;
  position: relative;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-lg);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--text-secondary);
  margin-bottom: var(--space-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

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

.grid-auto-fill {
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
}

/* Flexbox Utilities */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.items-center {
  align-items: center;
}

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-start {
  justify-content: flex-start;
}

.justify-end {
  justify-content: flex-end;
}

.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }
.gap-2xl { gap: var(--space-2xl); }

/* Sections */
.section {
  padding: var(--space-2xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

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

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Feature Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.feature-card {
  background: var(--surface-bg);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    repeating-linear-gradient(135deg, 
      rgba(255,255,255,0.008) 0px, 
      rgba(255,255,255,0.008) 1px, 
      transparent 1px, 
      transparent 20px);
  pointer-events: none;
}

.feature-card:hover {
  transform: none;
  box-shadow: none;
  border-color: var(--border-primary);
}

.feature-icon {
  display: none;
}

.feature-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 2;
}

.feature-description {
  color: var(--text-secondary);
  line-height: 1.6;
  position: relative;
  z-index: 2;
}

/* Stats Section */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
}

.stat-card {
  text-align: center;
  padding: var(--space-lg);
  background: var(--surface-bg);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  transition: all var(--transition-normal);
}

.stat-card:hover {
  transform: none;
  box-shadow: none;
}

.stat-number {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  display: block;
  margin-bottom: var(--space-sm);
}

.stat-label {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
}

/* Navigation */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) 0;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  text-decoration: none;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  transition: color var(--transition-fast);
  position: relative;
}

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

.navbar-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--text-primary);
  border-radius: 1px;
}

/* Sidebar Layout */
.sidebar-layout {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: var(--space-2xl);
  min-height: calc(100vh - 120px);
}

.sidebar {
  background: var(--surface-bg);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  height: fit-content;
  position: sticky;
  top: calc(var(--space-2xl) + 80px);
}

.sidebar-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
}

.sidebar-nav {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sidebar-nav li {
  margin-bottom: var(--space-sm);
}

.sidebar-nav a {
  display: block;
  padding: var(--space-sm) var(--space-md);
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  font-size: var(--text-sm);
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.main-content {
  background: var(--surface-bg);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .sidebar-layout {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .sidebar {
    position: static;
    order: 2;
  }
  
  .main-content {
    order: 1;
  }
  
  .grid-cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-md);
  }
  
  .page-main {
    padding: var(--space-lg) 0;
  }
  
  .hero {
    padding: var(--space-lg) 0;
  }
  
  .hero-actions {
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .navbar {
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .navbar-nav {
    gap: var(--space-md);
  }
  
  .grid-cols-2 {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .main-content {
    padding: var(--space-lg);
  }
  
  .sidebar {
    padding: var(--space-lg);
  }
}