/* Header Styles - Personal Blog */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--background);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.header.scrolled {
  background: rgba(var(--background), 0.95);
  box-shadow: var(--shadow-sm);
}

.header.header-hidden {
  transform: translateY(-100%);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 2rem;
}

/* Logo */
.header-logo {
  font-size: 1.5rem;
  font-weight: var(--font-weight-medium);
  color: var(--foreground);
  text-decoration: none;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.header-logo:hover {
  color: var(--primary);
}

.header-logo i {
  font-size: 1.75rem;
  color: var(--faith-color);
}

/* Navigation */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  color: var(--foreground);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
}

.nav-link:hover {
  color: var(--primary);
  background: var(--muted);
}

.nav-link.active {
  color: var(--primary);
  background: var(--primary);
  color: var(--primary-foreground);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -1.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
}

.nav-link i {
  font-size: 1rem;
}

/* Header Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.search-toggle,
.prayer-toggle,
.admin-toggle {
  background: none;
  border: none;
  color: var(--foreground);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
  min-height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.search-toggle:hover,
.prayer-toggle:hover,
.admin-toggle:hover {
  background: var(--muted);
  color: var(--primary);
}

.search-toggle.active {
  color: var(--primary);
}

/* Search Bar */
.header-search {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 1rem;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-slow);
  box-shadow: var(--shadow-md);
}

.header-search.active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.search-bar {
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}

.search-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 3rem;
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  background: var(--background);
  color: var(--foreground);
  font-size: 1rem;
  transition: var(--transition);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(var(--primary), 0.1);
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted-foreground);
  font-size: 1rem;
  pointer-events: none;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--foreground);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
  min-height: 44px;
  min-width: 44px;
  align-items: center;
  justify-content: center;
  position: relative;
}

.mobile-toggle:hover {
  background: var(--muted);
  color: var(--primary);
}

.mobile-toggle.active {
  color: var(--primary);
}

/* Hamburger Animation */
.mobile-toggle-icon {
  position: relative;
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  transition: var(--transition);
}

.mobile-toggle-icon::before,
.mobile-toggle-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 24px;
  height: 2px;
  background: currentColor;
  transition: var(--transition);
}

.mobile-toggle-icon::before {
  top: -8px;
}

.mobile-toggle-icon::after {
  top: 8px;
}

.mobile-toggle.active .mobile-toggle-icon {
  background: transparent;
}

.mobile-toggle.active .mobile-toggle-icon::before {
  transform: rotate(45deg);
  top: 0;
}

.mobile-toggle.active .mobile-toggle-icon::after {
  transform: rotate(-45deg);
  top: 0;
}

/* Mobile Navigation */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
}

.mobile-nav.active {
  display: flex;
  opacity: 1;
}

.mobile-nav-content {
  background: var(--card);
  width: 100%;
  max-width: 320px;
  height: 100%;
  position: relative;
  transform: translateX(-100%);
  transition: transform 0.3s ease-in-out;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.mobile-nav.active .mobile-nav-content {
  transform: translateX(0);
}

.mobile-nav-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--primary);
  color: var(--primary-foreground);
  position: sticky;
  top: 0;
  z-index: 1;
}

.mobile-nav-title {
  font-size: 1.25rem;
  font-weight: var(--font-weight-medium);
  margin: 0;
}

.mobile-nav-close {
  background: none;
  border: none;
  color: inherit;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 50%;
  transition: var(--transition);
  min-height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-nav-close:hover {
  background: rgba(255, 255, 255, 0.1);
}

.mobile-nav-links {
  padding: 1rem 0;
  flex: 1;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  padding: 1rem 1.5rem;
  color: var(--foreground);
  text-decoration: none;
  transition: var(--transition);
  border-bottom: 1px solid var(--border);
  min-height: 60px;
  font-weight: var(--font-weight-medium);
  position: relative;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  background: var(--muted);
  color: var(--primary);
}

.mobile-nav-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--primary);
}

.mobile-nav-link i {
  margin-right: 1rem;
  font-size: 1.125rem;
  min-width: 24px;
  text-align: center;
}

.mobile-nav-link span {
  flex: 1;
}

/* Mobile Nav Footer */
.mobile-nav-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--border);
  background: var(--muted);
}

.mobile-nav-footer-text {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  text-align: center;
  margin: 0;
}

/* Reading Progress Bar */
.reading-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s ease-out;
  width: 0;
}

/* Responsive Header Styles */
@media (max-width: 768px) {
  .mobile-toggle {
    display: flex;
  }
  
  .nav-menu {
    display: none;
  }
  
  .nav-actions .search-toggle,
  .nav-actions .prayer-toggle {
    display: none;
  }
  
  .header-content {
    gap: 1rem;
  }
  
  .header-logo {
    font-size: 1.25rem;
  }
  
  .header-logo i {
    font-size: 1.5rem;
  }
  
  .header-search {
    left: 1rem;
    right: 1rem;
    border-radius: var(--border-radius);
  }
}

@media (max-width: 480px) {
  .header-content {
    padding: 0.75rem 0;
  }
  
  .header-logo {
    font-size: 1.125rem;
  }
  
  .mobile-nav-content {
    max-width: 100%;
  }
  
  .mobile-nav-header {
    padding: 1rem;
  }
  
  .mobile-nav-link {
    padding: 0.875rem 1rem;
    font-size: 0.95rem;
  }
  
  .mobile-nav-footer {
    padding: 1rem;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .header {
    border-bottom-width: 2px;
  }
  
  .nav-link,
  .mobile-nav-link {
    border: 1px solid transparent;
  }
  
  .nav-link:focus,
  .mobile-nav-link:focus {
    border-color: currentColor;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .header,
  .nav-link,
  .mobile-nav,
  .mobile-nav-content,
  .header-search {
    transition: none;
  }
  
  .mobile-toggle-icon,
  .mobile-toggle-icon::before,
  .mobile-toggle-icon::after {
    transition: none;
  }
}

/* Dark mode adjustments */
.header.scrolled {
  background: rgba(var(--background), 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* Focus improvements */
.nav-link:focus-visible,
.mobile-nav-link:focus-visible,
.mobile-toggle:focus-visible,
.search-toggle:focus-visible,
.prayer-toggle:focus-visible,
.admin-toggle:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
  .nav-link,
  .mobile-nav-link,
  .mobile-toggle,
  .search-toggle,
  .prayer-toggle,
  .admin-toggle {
    min-height: 48px;
  }
  
  .mobile-nav-link {
    min-height: 64px;
    padding: 1.25rem 1.5rem;
  }
}