/**
 * Modern Navbar Styles
 * Glassmorphism Design with Sticky Navigation
 */

/* ========================================
   NAVBAR CONTAINER
   ======================================== */

.navbar {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(99, 102, 241, 0.2);
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(15, 23, 42, 0.95);
  box-shadow: var(--shadow-lg);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem clamp(1rem, 5vw, 2rem);
}

/* ========================================
   LOGO
   ======================================== */

.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  text-decoration: none;
  z-index: var(--z-sticky);
}

.navbar-logo img {
  height: 50px;
  width: auto;
  transition: transform var(--transition-base);
}

.navbar-logo:hover img {
  transform: scale(1.05);
}

.navbar-logo-text {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.05em;
  display: none;
}

@media (min-width: 768px) {
  .navbar-logo-text {
    display: block;
  }
}

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

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar-menu-item {
  position: relative;
}

.navbar-menu-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.75rem 1.25rem;
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
}

.navbar-menu-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  transform: translateX(-50%);
  transition: width var(--transition-base);
}

.navbar-menu-link:hover,
.navbar-menu-link.active {
  color: var(--text-primary);
  background: rgba(99, 102, 241, 0.1);
}

.navbar-menu-link:hover::before,
.navbar-menu-link.active::before {
  width: 80%;
}

/* Dropdown Arrow */
.navbar-menu-link .dropdown-arrow {
  display: inline-block;
  margin-left: 0.25rem;
  transition: transform var(--transition-base);
}

.navbar-menu-item:hover .dropdown-arrow {
  transform: rotate(180deg);
}

/* ========================================
   DROPDOWN MENU
   ======================================== */

.navbar-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  min-width: 220px;
  background: rgba(30, 41, 59, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-base);
  z-index: var(--z-dropdown);
  padding: var(--spacing-sm);
}

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

.navbar-dropdown-item {
  list-style: none;
}

.navbar-dropdown-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 0.75rem 1rem;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.navbar-dropdown-link:hover {
  background: rgba(99, 102, 241, 0.1);
  color: var(--text-primary);
  transform: translateX(4px);
}

/* ========================================
   NAVBAR ACTIONS
   ======================================== */

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.navbar-search {
  position: relative;
  display: none;
}

@media (min-width: 1024px) {
  .navbar-search {
    display: block;
  }
}

.navbar-search-input {
  width: 240px;
  padding: 0.5rem 1rem 0.5rem 2.5rem;
  background: rgba(51, 65, 85, 0.5);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: var(--text-sm);
  transition: all var(--transition-base);
}

.navbar-search-input:focus {
  outline: none;
  border-color: var(--primary-color);
  background: rgba(51, 65, 85, 0.8);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.navbar-search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

/* Login/Register Buttons */
.navbar-auth {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.navbar-login-btn {
  padding: 0.5rem 1.25rem;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
}

.navbar-login-btn:hover {
  border-color: var(--primary-color);
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary-color);
}

.navbar-register-btn {
  padding: 0.5rem 1.25rem;
  font-size: var(--text-sm);
  font-weight: 600;
  color: white;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

.navbar-register-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--glow-primary);
}

/* User Profile Dropdown */
.navbar-user {
  position: relative;
}

.navbar-user-trigger {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 0.5rem 1rem;
  background: rgba(51, 65, 85, 0.5);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
}

.navbar-user-trigger:hover {
  background: rgba(51, 65, 85, 0.8);
  border-color: var(--primary-color);
}

.navbar-user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: var(--text-sm);
}

.navbar-user-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  display: none;
}

@media (min-width: 768px) {
  .navbar-user-name {
    display: block;
  }
}

/* ========================================
   MOBILE MENU TOGGLE
   ======================================== */

.navbar-mobile-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  width: 30px;
  height: 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: var(--z-sticky);
}

.navbar-mobile-toggle span {
  width: 100%;
  height: 3px;
  background: var(--text-primary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
}

.navbar-mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

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

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

@media (min-width: 1024px) {
  .navbar-mobile-toggle {
    display: none;
  }
}

/* ========================================
   MOBILE MENU
   ======================================== */

.navbar-mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(15, 23, 42, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transform: translateX(-100%);
  transition: transform var(--transition-slow);
  z-index: calc(var(--z-sticky) - 1);
  overflow-y: auto;
  padding: 5rem 2rem 2rem;
}

.navbar-mobile-menu.active {
  transform: translateX(0);
}

.navbar-mobile-menu-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar-mobile-menu-item {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: var(--spacing-md);
}

.navbar-mobile-menu-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary) !important;
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.navbar-mobile-menu-link:hover {
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary-color) !important;
}

.navbar-mobile-menu-link i {
  color: var(--text-secondary);
}

.navbar-mobile-submenu {
  display: none;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
  padding-left: var(--spacing-lg);
}

.navbar-mobile-submenu.active {
  display: flex;
}

.navbar-mobile-submenu-link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--text-base);
  color: var(--text-secondary) !important;
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.navbar-mobile-submenu-link:hover {
  background: rgba(99, 102, 241, 0.1);
  color: var(--text-primary) !important;
}

.navbar-mobile-submenu-link i {
  color: var(--text-muted);
}

@media (min-width: 1024px) {
  .navbar-mobile-menu {
    display: none;
  }
  
  .navbar-menu {
    display: flex;
  }
}

@media (max-width: 1023px) {
  .navbar-menu {
    display: none;
  }
}

/* ========================================
   THEME TOGGLE
   ======================================== */

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(51, 65, 85, 0.5);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
}

.theme-toggle:hover {
  background: rgba(51, 65, 85, 0.8);
  border-color: var(--primary-color);
  transform: rotate(180deg);
}

.theme-toggle-icon {
  color: var(--accent-color);
  font-size: var(--text-lg);
}

/* ========================================
   NAVBAR BADGE
   ======================================== */

.navbar-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  background: var(--error);
  border-radius: var(--radius-full);
  font-size: 10px;
  font-weight: 700;
  color: white;
  line-height: 1;
}

/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes navbarSlideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.navbar {
  animation: navbarSlideDown 0.3s ease-out;
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 640px) {
  .navbar-container {
    padding: 0.75rem 1rem;
  }
  
  .navbar-logo img {
    height: 40px;
  }
  
  .navbar-actions .btn {
    display: none;
  }
}