.side-navbar {
  background: #ffffff;
  position: sticky;
  top: 90px;
  width: 280px;
  min-width: 280px;
  height: calc(100vh - 100px);
  margin-right: 0;
  padding: 5px 0;
  border-right: 1px solid #e5e7eb;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: #d1d5db #f9fafb;
  box-shadow: none;
  max-height: calc(110vh - 100px);
}

.mobile_navbar {
  display: none;
}

/* Custom Webkit Scrollbar Styles */
.side-navbar::-webkit-scrollbar {
  width: 4px;
}

.side-navbar::-webkit-scrollbar-track {
  background: #f9fafb;
}

.side-navbar::-webkit-scrollbar-thumb {
  background: #d1d5db;
  border-radius: 2px;
}

.side-navbar::-webkit-scrollbar-thumb:hover {
  background: #9ca3af;
}

.side-navbar ul {
  display: flex;
  flex-direction: column;
  list-style: none;
  margin: 0;
  padding: 0 16px;
}

.side-navbar ul li {
  margin: 0;
}

.side-navbar ul li a.nav-link {
  display: flex;
  align-items: center;
  padding: 8px 16px;
  color: #374151;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.2s ease;
  position: relative;
}

.side-navbar ul li a.nav-link:hover {
  background-color: #f3f4f6;
  color: #111827;
}

.side-navbar ul li a.nav-link.active {
  background-color: #eff6ff;
  color: #585df9;
  font-weight: 700;
}

/* Navigation items with submenu */
.nav-item.has-submenu > .nav-link {
  justify-content: space-between;
}

.nav-item.has-submenu.open > .nav-link::after {
  transform: rotate(90deg);
  color: #585df9;
}

.nav-item.has-submenu.open > .nav-link {
  background-color: #f3f4f6;
  color: #585df9;
}

/* Enhanced submenu styles for multiple items */
.side-navbar {
  max-height: calc(110vh - 100px);
  overflow-y: auto;
}

/* Improved submenu animation for longer lists */
@keyframes slideDown {
  from {
    opacity: 0;
    max-height: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    max-height: 400px; /* Increased to accommodate more submenu items */
    transform: translateY(0);
  }
}

/* Submenu styles */
.sub-menu {
  display: none;
  flex-direction: column;
  padding: 8px 0;
  margin-left: 16px;
  margin-bottom: 4px;
  border-left: 2px solid #e5e7eb;
  transition: all 0.3s ease;
}

.sub-menu.active {
  display: flex;
  animation: slideDown 0.3s ease-out;
}

p strong {
  margin-top: 8px;
  display: block;
}

.sub-menu a {
  color: #35383b;
  padding: 3px 16px;
  margin: 0 12px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 6px;
  transition: all 0.15s ease;
  display: block;
  position: relative;
}

.sub-menu-child {
  color: #6d737a !important;
}

.sub-menu-child {
  margin-left: 20px !important;
}

.product_menu_box_right h3 {
  margin-left: 16px;
}

/* Sticky product menu box right */
.product_menu_box_right {
  position: sticky;
  top: 90px;
  height: calc(100vh - 100px);
  overflow-y: auto;
  padding: 20px;
  background: #ffffff;
  min-width: 280px;
  max-width: 320px;
}

.product_menu_box_right::-webkit-scrollbar {
  width: 4px;
}

.product_menu_box_right::-webkit-scrollbar-track {
  background: #f9fafb;
}

.product_menu_box_right::-webkit-scrollbar-thumb {
  background: #d1d5db;
  border-radius: 2px;
}

.product_menu_box_right::-webkit-scrollbar-thumb:hover {
  background: #9ca3af;
}

.sub-menu a:hover,
.sub-menu a.active {
  color: #585df9;
  background-color: #f8fafc;
}

.sub-menu a.active {
  color: #585df9;
  font-weight: 600;
  background-color: #eff6ff;
}

/* Improved hover states for main nav items */
.nav-item.has-submenu > .nav-link:hover {
  background-color: #f8fafc;
}

/* Better visual separation between nav sections */
.nav-item:not(.has-submenu) + .nav-item.has-submenu {
  margin-top: 8px;
}

.nav-item.has-submenu + .nav-item:not(.has-submenu) {
  margin-top: 8px;
}

/* Mobile hamburger menu button */
.mobile-menu-btn {
  display: none;
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 1001;
  background: #585df9;
  border: none;
  border-radius: 12px;
  padding: 14px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-menu-btn:hover {
  background: linear-gradient(135deg, #1d4ed8 0%, #585df9 100%);
  transform: translateY(-2px) scale(1.02);
}

.mobile-menu-btn:active {
  transform: translateY(0) scale(0.98);
}

.mobile-menu-btn span {
  display: block;
  width: 22px;
  height: 3px;
  background: white;
  margin: 4px 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 2px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(-45deg) translate(-6px, 7px);
  background: #ef4444;
}

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

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(45deg) translate(-6px, -7px);
  background: #ef4444;
}

/* Mobile sidebar loading animation */
.mobile-menu-btn.loading {
  pointer-events: none;
}

.mobile-menu-btn.loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid transparent;
  border-top: 2px solid rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.mobile-menu-btn.loading span {
  opacity: 0;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Pulse effect for mobile menu button */
.mobile-menu-btn::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  background: #585df9;
  border-radius: 12px;
  transform: translate(-50%, -50%) scale(0);
  transition: transform 0.3s ease;
  z-index: -1;
}

.mobile-menu-btn:active::after {
  transform: translate(-50%, -50%) scale(1.2);
  transition: transform 0.1s ease;
}

/* Enhanced mobile navbar brand/logo area */
.mobile-navbar-brand {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  padding: 8px 16px;
  border-radius: 20px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(226, 232, 240, 0.5);
  display: none;
}

@media (max-width: 1023px) {
  .mobile-navbar-brand {
    display: block;
  }

  .mobile-navbar-brand img {
    height: 28px;
    width: auto;
  }

  .product_menu_box {
    width: 100vw !important;
  }
  .product_menu_box_left {
    width: 100% !important;
  }
}

@media (max-width: 1200px) {
  .side-navbar {
    width: 260px;
    min-width: 260px;
  }
}

@media (max-width: 1023px) {
  .mobile-menu-btn {
    display: block;
  }
  .mobile_navbar {
    display: block;
  }

  .nav-item.has-submenu > .nav-link::after {
    content: "›";
    font-size: 12px;
    font-weight: 600;
    transition: transform 0.3s ease;
    color: #9ca3af;
    display: inline-block;
  }

  .mobile-overlay {
    display: block;
  }

  .side-navbar {
    position: fixed;
    top: 85px;
    left: -320px;
    width: 320px;
    height: 100vh;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    box-shadow: 8px 0 32px rgba(0, 0, 0, 0.12);
    z-index: 9999;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    padding-top: 40px;
  }

  .side-navbar.mobile-active {
    left: 0;
    top: 80px;
    transform: translateX(0);
  }

  .side-navbar ul {
    padding: 15px 20px;
    margin-top: 20px;
  }

  /* Staggered animation for mobile menu items */
  .side-navbar.mobile-active ul li {
    opacity: 0;
    transform: translateX(-20px);
    animation: slideInLeft 0.3s ease forwards;
  }

  .side-navbar.mobile-active ul li:nth-child(1) {
    animation-delay: 0.1s;
  }
  .side-navbar.mobile-active ul li:nth-child(2) {
    animation-delay: 0.15s;
  }
  .side-navbar.mobile-active ul li:nth-child(3) {
    animation-delay: 0.2s;
  }
  .side-navbar.mobile-active ul li:nth-child(4) {
    animation-delay: 0.25s;
  }
  .side-navbar.mobile-active ul li:nth-child(5) {
    animation-delay: 0.3s;
  }
  .side-navbar.mobile-active ul li:nth-child(6) {
    animation-delay: 0.35s;
  }
  .side-navbar.mobile-active ul li:nth-child(7) {
    animation-delay: 0.4s;
  }
  .side-navbar.mobile-active ul li:nth-child(8) {
    animation-delay: 0.45s;
  }
  .side-navbar.mobile-active ul li:nth-child(9) {
    animation-delay: 0.5s;
  }
  .side-navbar.mobile-active ul li:nth-child(10) {
    animation-delay: 0.55s;
  }

  .side-navbar.mobile-active ul li:nth-child(11) {
    animation-delay: 0.55s;
  }

  @keyframes slideInLeft {
    to {
      opacity: 1;
      transform: translateX(0);
    }
  }

  /* Enhanced close button for mobile */
  .side-navbar::before {
    content: "✕";
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 20px;
    color: #64748b;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10001;
    border: 1px solid rgba(148, 163, 184, 0.3);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  }

  .side-navbar::before:hover {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    transform: rotate(90deg) scale(1.05);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
  }

  /* Adjust user guide button for mobile */
  .user-guide-btn {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 8px 12px;
    font-size: 12px;
  }

  /* Adjust main content for mobile */
  .service-details-section {
    width: 100%;
    padding-left: 20px;
    padding-right: 20px;
    margin-top: 120px;
  }

  /* Enhanced touch feedback for mobile */
  .side-navbar ul li a {
    padding: 16px 20px;
    border-radius: 12px;
    position: relative;
    overflow: hidden;
  }

  .side-navbar ul li a::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
      90deg,
      transparent,
      rgba(37, 99, 235, 0.1),
      transparent
    );
    transform: translateX(-100%);
    transition: transform 0.6s ease;
  }

  .side-navbar ul li a:hover::before,
  .side-navbar ul li a.active::before {
    transform: translateX(100%);
  }

  /* Enhanced submenu styling for mobile */
  .side-navbar ul li ul {
    margin-top: 8px;
    padding-left: 20px;
    border-left: 3px solid rgba(37, 99, 235, 0.2);
    border-radius: 0 8px 8px 0;
    background: linear-gradient(
      135deg,
      rgba(37, 99, 235, 0.02) 0%,
      rgba(59, 130, 246, 0.02) 100%
    );
  }

  .side-navbar ul li ul li a {
    padding: 8px 16px;
    font-size: 13px;
    border-radius: 8px;
  }

  /* Mobile scroll indicator */
  .side-navbar::after {
    content: "";
    position: fixed;
    top: 0;
    right: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, #585df9, #3b82f6);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1002;
  }

  .side-navbar.scrolling::after {
    opacity: 1;
  }

  /* Improved mobile navigation accessibility */
  .side-navbar ul li a:focus {
    outline: 2px solid #585df9;
    outline-offset: 2px;
    background: rgba(37, 99, 235, 0.1);
  }

  /* Mobile-specific hover states */
  .side-navbar ul li a:active {
    transform: scale(0.98);
    transition: transform 0.1s ease;
  }

  .mobile-sidebar-btn {
    display: block;
  }
}

/* User guide button */
.user-guide-btn {
  position: sticky;
  top: 105px;
  right: 20px;
  background-color: #585df9;
  border-radius: 8px;
  padding: 12px 16px;
  text-align: center;
  float: right;
  z-index: 100;
  text-decoration: none;
  transition: all 0.2s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  gap: 8px;
}

.user-guide-btn a {
  color: white !important;
  font-weight: 500;
  font-size: 14px;
  text-decoration: none;
}

.user-guide-btn:hover {
  background-color: #585df9;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.user-guide-btn img {
  filter: brightness(0) invert(1);
}

/* Special states */
.nav-item {
  position: relative;
}

.impact-color {
  color: #585df9 !important;
}

/* Main content area adjustment */
.service-details-section {
  flex: 1;
  min-width: 0;
}

/* Container for sidebar and content */
.d-flex {
  display: flex;
  gap: 0;
  align-items: flex-start;
}

/* Mobile Sidebar Overlay - Enhanced */
.mobile-sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.6) 0%,
    rgba(0, 0, 0, 0.4) 100%
  );
  backdrop-filter: blur(8px);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-sidebar-overlay.active {
  opacity: 1;
  visibility: visible;
}

@media (max-width: 1023px) {
  .service-details-section {
    width: 100%;
    padding-left: 20px;
    padding-right: 20px;
    margin-top: 90px;
  }

  .header-section-1 {
    z-index: 9999;
    position: relative;
  }

  .sticky {
    z-index: 9999;
  }

  .mobile-sidebar-toggle {
    position: fixed;
    top: 95px;
    z-index: 9997;
    width: 100%;
    background-color: var(--white);
    box-shadow: var(--box-shadow);
    border-top: rgb(192, 192, 192) 1px solid;
    border-bottom: rgb(192, 192, 192) 1px solid;
  }
  .product_menu_box_right {
    display: none;
  }
}

@media (max-width: 480px) {
  .side-navbar {
    width: 300px;
  }
}

@media only screen and (max-width: 1023px) {
  .mobile-sidebar-toggle {
    top: 80px !important;
    padding: 10px !important;
  }
  .main {
    margin-top: 110px !important;
  }

  /* Mobile view - increase scroll margin for better visibility */
  .side-navbar {
    top: 80px;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .mobile-sidebar-toggle {
    top: 95px !important;
    padding: 10px !important;
  }

  /* Medium tablet view - moderate scroll margin */
  .side-navbar {
    top: 85px;
  }

  .main {
    margin-top: 115px !important;
  }

  .product_menu_box_right {
    top: 85px;
    height: calc(100vh - 95px);
    min-width: 260px;
    max-width: 280px;
  }
}

@media (min-width: 980px) and (max-width: 1023px) {
  /* Large tablet view - slightly less scroll margin */
  .side-navbar {
    top: 88px;
  }

  .main {
    margin-top: 120px !important;
  }

  .product_menu_box_right {
    top: 88px;
    height: calc(100vh - 98px);
    min-width: 270px;
    max-width: 300px;
  }
}

/* PC view - decrease scroll margin for tighter layout */
@media (min-width: 1024px) {
  .side-navbar {
    top: 105px;
  }

  .main {
    margin-top: 80px !important;
  }

  .product_menu_box_right {
    top: 70px;
    height: calc(100vh - 80px);
  }
}