/* ============================================
   Modern Responsive Navbar Styles
   ============================================ */

:root {
  --navbar-height: 80px;
  --navbar-height-mobile: 60px;
  --navbar-bg: rgba(15, 23, 42, 0.95);
  --navbar-border: rgba(100, 102, 241, 0.1);
  --nav-link-color: #f1f5f9;
  --nav-link-hover: #6366f1;
  --nav-link-active: #6366f1;
  --dropdown-bg: rgba(15, 23, 42, 0.98);
  --transition-speed: 0.3s ease;
}

/* ============================================
   Header & Navbar Container
   ============================================ */

header.modern-navbar {
  position: relative;
  z-index: 999;
  border-bottom: 1px solid var(--navbar-border);
  background: var(--navbar-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.navbar {
  padding: 1rem 0 !important;
  transition: all var(--transition-speed);
}

/* ============================================
   Logo/Brand Styling
   ============================================ */

.navbar-brand-wrapper {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.navbar-brand {
  display: flex;
  align-items: center;
  transition: opacity var(--transition-speed);
}

.navbar-brand:hover {
  opacity: 0.8;
}

.logo-img {
  height: 50px;
  width: auto;
  object-fit: contain;
}

@media (max-width: 576px) {
  .logo-img {
    height: 40px;
  }
}

/* ============================================
   Mobile Menu Toggle Button
   ============================================ */

.navbar-toggle-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px 12px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 24px;
  position: relative;
  z-index: 1000;
  transition: all var(--transition-speed);
}

.navbar-toggle-btn:not(.collapsed) {
  background: rgba(99, 102, 241, 0.1);
  border-radius: 6px;
}

.toggle-icon {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  justify-content: space-between;
}

.toggle-icon .bar {
  width: 100%;
  height: 2px;
  background: var(--nav-link-color);
  border-radius: 2px;
  transition: all var(--transition-speed);
  transform-origin: center;
}

.navbar-toggle-btn:not(.collapsed) .bar-1 {
  transform: translateY(11px) rotate(45deg);
}

.navbar-toggle-btn:not(.collapsed) .bar-2 {
  opacity: 0;
}

.navbar-toggle-btn:not(.collapsed) .bar-3 {
  transform: translateY(-11px) rotate(-45deg);
}

/* ============================================
   Navigation Center Menu
   ============================================ */

.navbar-center {
  display: flex;
  justify-content: center;
  gap: 0;
  flex: 1;
  margin: 0 20px;
}

.navbar-menu {
  display: flex;
  align-items: center;
  margin-left: auto;
  margin-right: 20px;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.navbar-center .navbar-nav {
  margin: 0;
}

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-link {
  color: var(--nav-link-color) !important;
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
  font-size: 1rem;
  padding: 0.75rem 1rem !important;
  transition: all var(--transition-speed);
  position: relative;
  text-decoration: none;
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #6366f1, #ec4899);
  transition: width var(--transition-speed);
}

.nav-link:hover {
  color: var(--nav-link-hover) !important;
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link.active {
  color: var(--nav-link-active) !important;
}

.nav-link.active::after {
  width: 100%;
}

/* ============================================
   Premium Button Styling
   ============================================ */

.btn-premium {
  background: linear-gradient(135deg, #6366f1 0%, #ec4899 100%) !important;
  color: white !important;
  border-radius: 8px;
  padding: 0.6rem 1.2rem !important;
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  transition: all var(--transition-speed);
  position: relative;
  overflow: hidden;
}

.btn-premium::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  transition: left var(--transition-speed);
  z-index: -1;
}

.btn-premium:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
  color: white !important;
}

.btn-premium:hover::before {
  left: 100%;
}

/* ============================================
   Dropdown Menu Styling
   ============================================ */

.dropdown-menu {
  background: var(--dropdown-bg);
  border: 1px solid var(--navbar-border);
  border-radius: 12px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  padding: 0.5rem 0;
  animation: slideInDown 0.3s ease;
  min-width: 200px;
}

@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.dropdown-item {
  color: var(--nav-link-color);
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
  padding: 0.75rem 1.5rem;
  transition: all var(--transition-speed);
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
}

.dropdown-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 3px;
  background: linear-gradient(180deg, #6366f1, #ec4899);
  opacity: 0;
  transition: opacity var(--transition-speed);
}

.dropdown-item:hover {
  background: rgba(99, 102, 241, 0.1);
  color: var(--nav-link-hover);
  padding-left: 1.8rem;
}

.dropdown-item:hover::before {
  opacity: 1;
}

.dropdown-divider {
  border-color: var(--navbar-border);
  margin: 0.5rem 0;
}

/* ============================================
   Right Items Container
   ============================================ */

.navbar-right-items {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ============================================
   Search Styling
   ============================================ */

.search-item-wrapper {
  position: relative;
}

.search-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 8px;
  color: var(--nav-link-color);
  transition: all var(--transition-speed);
  font-size: 1.1rem;
}

.search-btn:hover {
  background: rgba(99, 102, 241, 0.2);
  color: var(--nav-link-hover);
  transform: scale(1.05);
}

/* ============================================
   WhatsApp Styling
   ============================================ */

.whatsapp-wrapper {
  position: relative;
}

.whatsapp-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  border-radius: 8px;
  color: white;
  transition: all var(--transition-speed);
  font-size: 1.1rem;
  text-decoration: none;
}

.whatsapp-btn:hover {
  transform: scale(1.05) translateY(-2px);
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.3);
  color: white;
}

/* ============================================
   User Menu Styling
   ============================================ */

.user-menu-wrapper {
  position: relative;
}

.user-menu-btn {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--nav-link-color);
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  transition: all var(--transition-speed);
}

.user-menu-btn:hover,
.user-menu-btn:focus {
  color: var(--nav-link-hover);
  background: rgba(99, 102, 241, 0.1);
  border-radius: 8px;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(99, 102, 241, 0.3);
  transition: all var(--transition-speed);
}

.user-menu-btn:hover .user-avatar {
  border-color: var(--nav-link-hover);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.3);
}

.user-name-text {
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ============================================
   Login Button Styling
   ============================================ */

.login-wrapper {
  position: relative;
}

.btn-login {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  color: white;
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition-speed);
  text-decoration: none;
  border: none;
  cursor: pointer;
}

.btn-login:hover {
  background: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
  color: white;
}

/* ============================================
   Mobile Close Button
   ============================================ */

.navbar-close-btn {
  background: none;
  border: none;
  color: var(--nav-link-color);
  font-size: 1.3rem;
  cursor: pointer;
  padding: 0;
  transition: all var(--transition-speed);
}

.navbar-close-btn:hover {
  color: var(--nav-link-hover);
}

/* ============================================
   Responsive Design
   ============================================ */

/* Tablet (576px to 991px) */
@media (max-width: 991px) {
  :root {
    --navbar-height: 70px;
  }

  .navbar {
    padding: 0.75rem 0 !important;
  }

  .navbar-collapse {
    background: linear-gradient(to bottom, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.98));
    backdrop-filter: blur(10px);
    border-radius: 0 0 12px 12px;
    margin-top: 0.5rem;
    padding: 1rem;
    animation: slideDown 0.3s ease;
  }

  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .navbar-nav {
    flex-direction: column;
    width: 100%;
    gap: 0.25rem;
  }

  .nav-item {
    width: 100%;
  }

  .nav-link {
    padding: 0.6rem 1rem !important;
    width: 100%;
  }

  .dropdown-menu {
    position: static;
    background: rgba(99, 102, 241, 0.05);
    border: 1px solid rgba(99, 102, 241, 0.2);
    box-shadow: none;
    margin-top: 0.25rem;
  }

  .dropdown-menu.show {
    display: block;
  }

  .btn-premium {
    width: 100%;
    text-align: center;
    margin-top: 0.5rem;
  }

  .navbar-right-items {
    gap: 0.75rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--navbar-border);
  }

  .user-menu-btn {
    padding: 0.75rem;
  }

  .user-name-text {
    display: none !important;
  }
}

/* Mobile (< 576px) */
@media (max-width: 575px) {
  :root {
    --navbar-height: 60px;
  }

  header.modern-navbar {
    position: sticky;
    top: 0;
  }

  .navbar {
    padding: 0.6rem 0 !important;
  }

  .logo-img {
    height: 35px;
  }

  .navbar-brand {
    margin-right: auto;
  }

  .navbar-toggle-btn {
    width: 28px;
    height: 20px;
    padding: 6px 10px;
  }

  .toggle-icon .bar {
    height: 2px;
  }

  .navbar-collapse {
    background: linear-gradient(to bottom, rgba(15, 23, 42, 0.98), rgba(15, 23, 42, 0.99));
    backdrop-filter: blur(15px);
    border-radius: 0 0 16px 16px;
    margin-top: 0.75rem;
    padding: 1rem 0.75rem;
    max-height: calc(100vh - 60px);
    overflow-y: auto;
  }

  .navbar-nav {
    flex-direction: column;
    width: 100%;
    gap: 0;
  }

  .nav-item {
    width: 100%;
  }

  .nav-link {
    padding: 0.75rem 1rem !important;
    width: 100%;
    font-size: 0.95rem;
    border-radius: 6px;
    margin-bottom: 0.25rem;
  }

  .nav-link::after {
    display: none;
  }

  .nav-link:hover {
    background: rgba(99, 102, 241, 0.1);
  }

  .dropdown-toggle::after {
    float: right;
    transform: rotate(-90deg);
  }

  .dropdown-menu {
    position: static;
    background: rgba(99, 102, 241, 0.08);
    border: none;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    margin: 0.5rem 0;
    padding: 0.5rem 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .dropdown-menu.show {
    max-height: 500px;
  }

  .dropdown-item {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
  }

  .btn-premium {
    width: 100%;
    padding: 0.7rem 1rem !important;
    margin-top: 0.5rem;
    font-size: 0.85rem;
  }

  .navbar-right-items {
    gap: 0.5rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--navbar-border);
    flex-wrap: nowrap;
    width: 100%;
  }

  .search-btn,
  .whatsapp-btn,
  .btn-login {
    width: 40px;
    height: 40px;
    padding: 0;
    font-size: 1rem;
  }

  .btn-login {
    width: auto;
    padding: 0.6rem 0.8rem !important;
    font-size: 0.8rem;
  }

  .user-menu-wrapper {
    flex: 1;
  }

  .user-menu-btn {
    width: 100%;
    justify-content: flex-start;
    padding: 0.5rem;
  }

  .user-avatar {
    width: 32px;
    height: 32px;
  }

  .navbar-close-btn {
    display: block !important;
    margin-left: auto;
  }
}

/* Extra Small (< 480px) */
@media (max-width: 479px) {
  .navbar-collapse {
    padding: 0.75rem 0.5rem;
  }

  .nav-link {
    padding: 0.6rem 0.75rem !important;
    font-size: 0.9rem;
  }

  .dropdown-item {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
  }

  .btn-premium {
    padding: 0.6rem 0.8rem !important;
    font-size: 0.75rem;
  }

  .search-btn,
  .whatsapp-btn {
    width: 36px;
    height: 36px;
    font-size: 0.9rem;
  }

  .navbar-right-items {
    gap: 0.4rem;
  }

  .user-avatar {
    width: 28px;
    height: 28px;
  }
}

/* ============================================
   Focus & Accessibility
   ============================================ */

.nav-link:focus,
.search-btn:focus,
.whatsapp-btn:focus,
.btn-login:focus,
.user-menu-btn:focus {
  outline: 2px solid var(--nav-link-hover);
  outline-offset: 2px;
}

/* ============================================
   Animation keyframes
   ============================================ */

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

/* ============================================
   Print Styles
   ============================================ */

@media print {
  header.modern-navbar {
    display: none;
  }
}

/* ============================================
   Dark Mode Support
   ============================================ */

@media (prefers-color-scheme: dark) {
  header.modern-navbar {
    background: var(--navbar-bg);
  }
}

/* ============================================
   Reduced Motion Support
   ============================================ */

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