html {
  scroll-behavior: smooth;
}

:root {
  --h1-font-size: clamp(1.5rem, 4vw, 2.5rem);
  --h2-font-size: clamp(1.25rem, 3vw, 2rem);
  --body-font-size: clamp(0.875rem, 2vw, 1rem);
}

h1 {
  font-size: var(--h1-font-size);
}

h2 {
  font-size: var(--h2-font-size);
}

/* Custom Animation Styles */
.post-card {
  transition: all 0.3s ease;
  overflow: hidden;
  position: relative;
}

.post-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15) !important;
}

.post-card .image-container {
  position: relative;
  overflow: hidden;
}

.post-card img {
  transition: transform 0.5s ease;
  height: 300px;
  object-fit: cover;
  width: 100%;
}

.post-card:hover img {
  transform: scale(1.05);
}

.post-badge {
  opacity: 0.9;
  transition: all 0.3s ease;
  z-index: 2;
}

.post-card:hover .post-badge {
  opacity: 1;
}

.post-gradient {
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  transition: all 0.3s ease;
  transform: translateY(5px);
  opacity: 0.9;
  z-index: 1;
}

.post-card:hover .post-gradient {
  opacity: 1;
  transform: translateY(0);
}

.post-title {
  transition: all 0.3s ease;
}

.post-card:hover .post-title {
  transform: translateY(-3px);
}

.pagination .page-link {
  color: var(--bs-primary);
  border: none;
  margin: 0 3px;
  padding: 8px 16px;
  border-radius: var(--bs-border-radius);
  transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.pagination .page-item.active .page-link {
  background-color: var(--bs-primary);
  color: white;
  box-shadow: 0 4px 8px rgba(var(--bs-primary-rgb), 0.2);
}

.pagination .page-link:hover {
  background-color: var(--bs-light);
  color: var(--bs-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(var(--bs-primary-rgb), 0.1);
}

/* .pagination .page-link {
  transition: all 0.3s ease;
  border-radius: 5px;
  margin: 0 2px;
}

.pagination .page-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
} */

.search-box {
  transition: all 0.3s ease;
  border-radius: var(--bs-border-radius);
  overflow: hidden;
}

.search-box:focus-within {
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.search-button {
  transition: all 0.3s ease;
}

.search-button:hover {
  transform: scale(1.05);
}

.empty-state {
  transition: all 0.5s ease;
}

.empty-state:hover {
  transform: translateY(-5px);
}

.admin-actions .action-btn {
  transition: all 0.3s ease;
  transform-origin: center;
}

.admin-actions .action-btn:hover {
  transform: scale(1.1);
}

/* เพิ่มเอฟเฟกต์เสริมเพื่อทำให้ UI สวยงามขึ้น */
.post-card .card-body {
  transition: all 0.3s ease;
  z-index: 1;
}

.post-card:hover .card-body {
  background-color: #f8f9fa;
}

/* Pell Editor Styles */
.pell {
  border: 1px solid var(--bs-primary);
  border-radius: var(--bs-border-radius);
  margin-bottom: 10px;
}

.pell-content {
  height: 700px;
  padding: 10px;
  overflow-y: auto;
}

.pell-actionbar {
  background-color: var(--bs-light);
  border-bottom: 1px solid var(--bs-primary);
  padding: 8px;
}

.pell-button {
  background-color: transparent;
  border: none;
  cursor: pointer;
  height: 30px;
  padding: 0 10px;
  margin: 5px 2px;
  border-radius: var(--bs-border-radius);
}

.pell-button:hover {
  background-color: var(--bs-primary);
}

.pell-button-selected {
  background-color: var(--bs-secondary);
}

.card-text {
  font-size: 0.9rem;
  line-height: 1.6;
  transition: all 0.3s ease;
  display: -webkit-box;
  display: -moz-box;
  display: box;
  -webkit-line-clamp: 2;
  -moz-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  -moz-box-orient: vertical;
  box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card-img-top {
  transition: all 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
  filter: brightness(0.95);
  transform-origin: center;
  will-change: transform;
}

.hover-shadow:hover .card-img-top {
  transform: scale(1.05);
  filter: brightness(1);
}
.hover-shadow:hover .card-text {
  color: var(--bs-body-color);
}

.card-text .bx {
  font-size: 1em;
  color: var(--bs-secondary);
}

/* ปรับสี icon เมื่อ hover */
.hover-shadow:hover .card-text .bx {
  color: var(--bs-primary);
}

.color-preview {
  width: 30px;
  height: 30px;
  display: inline-block;
  border: 1px solid #ccc;
  vertical-align: middle;
  margin-right: 10px;
}

.preview-box {
  padding: 15px;
  border: 1px solid #ddd;
  border-radius: var(--bs-border-radius);
  margin-top: 10px;
}

.preview-text {
  margin-bottom: 10px;
}

.preview-link {
  color: var(--preview-link-color);
  text-decoration: var(--preview-link-decoration);
}

.preview-link:hover {
  color: var(--preview-link-hover-color);
}

.preview-border-radius {
  background-color: #e9ecef;
  padding: 15px;
  margin-top: 10px;
}

.font-preview {
  margin-top: 10px;
  padding: 15px;
  border: 1px solid #ddd;
}

.image-upload-container {
  border: 2px dashed #ddd;
  border-radius: var(--bs-border-radius);
  padding: 20px;
  margin-bottom: 20px;
  background: #f8f9fa;
  transition: all 0.3s ease;
}

.image-upload-container:hover {
  border-color: var(--bs-primary);
  background: #f1f5ff;
}

.image-preview-container {
  margin-top: 15px;
  text-align: center;
}

.image-preview {
  max-width: 100%;
  border-radius: var(--bs-border-radius);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  display: none;
}

.current-image {
  max-width: 100%;
  border-radius: var(--bs-border-radius);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  margin-top: 10px;
}

.image-upload-label {
  display: block;
  margin-bottom: 10px;
  font-weight: 500;
  color: #333;
}

.image-requirements {
  font-size: 0.875rem;
  color: #6c757d;
  margin-top: 5px;
}

.image-actions {
  margin-top: 10px;
  display: flex;
  gap: 10px;
  justify-content: center;
}

.remove-image {
  color: var(--bs-danger);
  cursor: pointer;
  display: none;
}

.image-section {
  background: white;
  padding: 25px;
  border-radius: var(--bs-border-radius);
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.05);
  margin-bottom: 30px;
}

.section-title {
  font-size: 1.25rem;
  color: #333;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid #f0f0f0;
}

.alert {
  margin-top: 10px;
  padding: 8px 12px;
  border-radius: var(--bs-border-radius);
  font-size: 0.875rem;
}

.alert-danger {
  background-color: #fff2f2;
  border: 1px solid #ffcdd2;
  color: #d32f2f;
}

.image-requirements {
  background-color: #f8f9fa;
  padding: 8px 12px;
  border-radius: var(--bs-border-radius);
  margin-bottom: 10px;
}

.image-requirements ul {
  margin: 0;
  padding-left: 20px;
}

.image-requirements li {
  font-size: 0.875rem;
  color: #666;
}

.border-dashed {
  border-style: dashed !important;
}

.upload-container {
  transition: all 0.3s ease;
}

.hover-overlay:hover {
  transform: translateY(-5px);
  transition: all 0.3s ease;
  cursor: pointer;
  background-color: var(--bs-primary-bg-subtle);
}

.transition-all {
  transition: all 0.3s ease;
}

.upload-container:hover {
  border-color: var(--bs-primary) !important;
  background-color: #f8f9fa !important;
}

.preview-container img {
  max-height: 200px;
  object-fit: contain;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--bs-primary);
  box-shadow: 0 0 0 0.25rem rgba(var(--bs-primary-rgb), 0.25);
}

.form-control:focus ~ label,
.form-select:focus ~ label {
  color: var(--bs-primary);
}

.header2-sticky {
  position: fixed;
  top: 0;
  width: 100% !important;
  z-index: 1030;
  left: 0;
}

#header2 {
  z-index: 1030;
  background: white;
}

#header2_content {
  z-index: 1030;
}

.nav-link {
  position: relative;
  color: var(--bs-body-color) !important;
  text-decoration: none;
  padding: 0.5rem 0.1rem;
  transition: all 0.7s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 50%;
  background-color: var(--bs-primary);
  transition: all 0.7s ease;
  transform: translateX(-50%);
}

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

.nav-link:hover,
.nav-link.active {
  transform: translateY(-2px);
  color: var(--bs-primary) !important;
}

.nav-item {
  position: relative;
  margin: 0 0.1rem;
}

.nav-item .dropdown-menu {
  display: block;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
  pointer-events: none;
}

.nav-item:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.nav-item .nav-link i.bx-chevron-down {
  transition: transform 0.3s ease;
}

.nav-item:hover .nav-link i.bx-chevron-down {
  transform: rotate(-180deg);
}

.dropdown-menu {
  display: block;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
  pointer-events: none;
  /* border-radius: 12px; */
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(0, 0, 0, 0.05);
  position: absolute;
  top: 100%;
  left: auto;
  right: 0;
  min-width: 200px;
  z-index: 10000;
  background-color: white;
  padding: 0.8rem 0;
  margin-top: 0.5rem;
}

.dropdown-menu.submenu {
  top: 0;
  left: auto;
  right: 110%;
  margin-top: 0;
  margin-right: -1rem;
  opacity: 0;
  visibility: hidden;
  transform: translateX(10px);
  pointer-events: none;
  display: none;
}

.nav-item:hover > .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.has-submenu {
  position: relative;
}

.has-submenu:hover > .dropdown-menu.submenu {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
  pointer-events: auto;
  display: block;
}

.has-submenu .submenu-icon {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.2rem;
  color: var(--bs-secondary-color);
  transition: all 0.3s ease;
}

.has-submenu:hover .submenu-icon {
  transform: translateY(-50%) rotate(-90deg);
  color: var(--bs-primary);
}

/* เพิ่มพื้นที่สำหรับ hover */
.dropdown-menu::after {
  content: "";
  position: absolute;
  top: -10px;
  left: 0;
  width: 100%;
  height: 10px;
  background: transparent;
}

.dropdown-menu.submenu::after {
  content: "";
  position: absolute;
  top: 0;
  right: -10px;
  width: 10px;
  height: 100%;
  left: auto;
  background: transparent;
}

/* ลูกศรชี้ของเมนู */
.dropdown-menu::before {
  content: "";
  position: absolute;
  top: -5px;
  right: 30px;
  width: 10px;
  height: 10px;
  background: white;
  transform: rotate(45deg);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  border-left: 1px solid rgba(0, 0, 0, 0.05);
}

.dropdown-menu.submenu::before {
  left: auto;
  right: -5px;
  top: 20px;
  border-top: none;
  border-left: none;
  border-right: 1px solid rgba(0, 0, 0, 0.05);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.mobile-nav-item .collapse {
  transition: all 0.3s ease;
}

.mobile-nav-link[data-bs-toggle="collapse"] i.bx-chevron-down {
  transition: transform 0.3s ease;
}

.mobile-nav-link[data-bs-toggle="collapse"][aria-expanded="true"]
  i.bx-chevron-down {
  transform: rotate(-180deg);
}

.dropdown-item {
  transition: all 0.3s ease;
  padding: 0.5rem 1rem;
  display: flex;
  align-items: center;
  color: var(--bs-body-color);
  text-decoration: none;
  font-size: 0.8rem;
  position: relative;
  overflow: hidden;
}

.dropdown-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 3px;
  background-color: var(--bs-primary);
  transform: scaleY(0);
  transition: transform 0.3s ease;
}

.dropdown-item i {
  margin-right: 0.8rem;
  font-size: 0.8rem;
  color: var(--bs-secondary-color);
  transition: all 0.3s ease;
}

.dropdown-item:hover {
  background-color: var(--bs-primary-bg-subtle);
  color: var(--bs-primary);
}

.dropdown-item:hover::before {
  transform: scaleY(1);
}

.dropdown-item:hover i {
  color: var(--bs-primary);
  transform: translateX(3px);
}

.dropdown-item.active {
  background-color: var(--bs-primary-bg-subtle);
  color: var(--bs-primary);
  font-weight: 500;
}

.dropdown-item.active::before {
  transform: scaleY(1);
}

.dropdown-item.active i {
  color: var(--bs-primary);
}

.dropdown-divider {
  margin: 0.5rem 0;
  border-top: 1px solid #f0f0f0;
}

.top-nav {
  background: var(--bs-dark);
  transition: all 0.3s ease;
}

.top-nav-item {
  color: var(--bs-light) !important;
  font-size: 0.7rem;
  padding: 0.5rem 0;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.top-nav-item:hover {
  color: rgba(255, 255, 255, 0.9) !important;
  transform: translateY(-1px);
}

.top-nav-item i {
  font-size: 0.8rem;
  color: var(--bs-primary);
  transition: all 0.3s ease;
}

.top-nav-item:hover i {
  color: var(--bs-primary);
}

.top-nav-divider {
  color: rgba(255, 255, 255, 0.3);
  margin: 0 0.5rem;
}

.login-btn {
  background-color: rgba(255, 255, 255, 0.1);
  /* border-radius: 20px; */
  padding: 0.3rem 1rem !important;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.login-btn:hover {
  background-color: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
}

@media (max-width: 576px) {
  .top-nav-item {
    font-size: 0.75rem;
  }

  .top-nav-item i {
    font-size: 0.9rem;
  }

  .login-btn {
    padding: 0.2rem 0.8rem !important;
  }

  #mobileMenu {
    max-width: 100%;
  }
}

@media (max-width: 992px) {
  .logo-wrapper {
    height: 50px;
  }

  .mobile-menu-btn {
    padding: 0.3rem;
  }
}

@media (max-width: 768px) {
  .logo-wrapper {
    height: 40px;
  }
}

.main-nav {
  background: white;
  transition: all 0.3s ease;
}

.logo-wrapper {
  height: 60px;
  display: flex;
  align-items: center;
}

.logo-img {
  height: 100%;
  width: auto;
  object-fit: contain;
}

.nav-link {
  color: var(--bs-body-color) !important;
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  /* border-radius: 8px; */
  transition: all 0.3s ease;
  gap: 0.5rem;
}

.nav-link i {
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--bs-primary) !important;
  background: var(--bs-primary-bg-subtle);
  transform: translateY(-2px);
}

.nav-link:hover i,
.nav-link.active i {
  color: var(--bs-primary);
}

.mobile-menu-btn {
  border: none;
  background: none;
  color: var(--bs-body-color);
  font-size: 1.5rem;
  padding: 0.5rem;
  /* border-radius: 8px; */
  transition: all 0.3s ease;
}

.mobile-menu-btn:hover {
  background: var(--bs-primary-bg-subtle);
  color: var(--bs-primary);
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 1rem;
  color: var(--bs-body-color);
  text-decoration: none;
  /* border-radius: 8px; */
  transition: all 0.3s ease;
}

.mobile-nav-link .link-content {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.mobile-nav-link i.bx-chevron-down {
  transition: transform 0.3s ease;
  font-size: 1.2rem;
}

.mobile-nav-link[aria-expanded="true"] i.bx-chevron-down {
  transform: rotate(-180deg);
}

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

.nav-pills .nav-link.active {
  background: var(--bs-primary-bg-subtle);
  color: var(--bs-primary);
}

/* ถ้าต้องการเปลี่ยนสีเมื่อ hover */
.nav-pills .nav-link:hover:not(.active) {
  background-color: #e9ecef;
}

.mobile-nav-item {
  /* border-radius: 8px; */
  overflow: hidden;
}

.mobile-submenu {
  padding: 0.5rem;
  background: var(--bs-light);
  /* border-radius: 8px; */
  margin-top: 0.3rem;
}

.mobile-nav-sublink {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.8rem 1rem;
  color: var(--bs-body-color);
  text-decoration: none;
  /* border-radius: 6px; */
  transition: all 0.3s ease;
  font-size: 0.95rem;
}

.mobile-nav-sublink i {
  font-size: 1.1rem;
  color: var(--bs-secondary-color);
  transition: all 0.3s ease;
}

.mobile-nav-sublink:hover {
  color: var(--bs-primary);
  background: var(--bs-primary-bg-subtle);
}

.mobile-nav-sublink:hover i {
  color: var(--bs-primary);
  transform: translateX(3px);
}

.mobile-submenu .mobile-nav-sublink {
  padding-left: 2.5rem;
}

.mobile-submenu .mobile-submenu .mobile-nav-sublink {
  padding-left: 3.5rem;
}

#mobileMenu {
  max-width: 300px;
}

.offcanvas-header {
  padding: 1rem;
  background: var(--bs-primary-bg-subtle);
}

.offcanvas-title {
  color: var(--bs-primary);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.offcanvas-body {
  padding: 1rem;
}

@media (max-width: 576px) {
  #mobileMenu {
    max-width: 100%;
  }
}

.content-wrapper {
  display: grid;
  gap: 1.5rem;
  padding: 1.5rem;
}

@media (min-width: 992px) {
  .content-wrapper {
    grid-template-columns: 1fr 20rem;
  }
}

.main-content {
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 80px;
  height: fit-content;
  padding: 1rem;
  /* border-radius: 0.5rem; */
  background: var(--bs-light);
}

@media (max-width: 991px) {
  .sidebar {
    position: static;
    margin-top: 1.5rem;
  }
}

.container-xl {
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 768px) {
  .container-xl {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

.nav-link,
.dropdown-item,
.mobile-nav-link {
  will-change: transform;
}

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

/* เพิ่ม z-index สำหรับ mobile menu */
.offcanvas {
  z-index: 1040 !important;
}

.offcanvas-backdrop {
  z-index: 1035 !important;
}

/* ปรับ transition ให้เร็วขึ้นเพื่อความลื่นไหล */
.offcanvas {
  transition: transform 0.25s ease-in-out;
}

/* แก้ไขปัญหา mobile menu ซ่อนหลัง backdrop */
#mobileMenu {
  max-width: 300px;
  visibility: visible !important;
}

@media (max-width: 576px) {
  #mobileMenu {
    max-width: 100%;
  }
}