/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-base);
}

body.light-mode .navbar {
  background-color: rgba(255, 255, 255, 0.85);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  max-width: var(--container-2xl);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Logo */
.navbar-logo {
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.01em;
}

/* Navigation Links */
.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  list-style: none;
}

.navbar-link {
  position: relative;
  padding: var(--spacing-xs) var(--spacing-md);
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  transition: color var(--transition-fast);
  border-radius: var(--radius-sm);
}

.navbar-link:hover {
  color: var(--text-primary);
  background-color: var(--bg-secondary);
}

.navbar-link.active {
  color: var(--accent-primary);
  background-color: rgba(59, 130, 246, 0.1);
}

/* Dark Mode Toggle */
.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--accent-primary);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.theme-toggle:hover svg {
  color: var(--accent-primary);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  transition: all var(--transition-fast);
  border-radius: 2px;
}

/* Mobile Menu */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }

  .navbar-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }

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

  .navbar-link {
    width: 100%;
    padding: var(--spacing-md);
    text-align: left;
  }

  .mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translateY(7px);
  }

  .mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-7px);
  }
}

/* Page Spacing for Fixed Navbar */
main {
  margin-top: 70px;
}