:root {
  --glass-bg-dark: rgba(255, 255, 255, 0.1);
  --glass-bg-light: rgba(0, 0, 0, 0.1);
  --glass-border-dark: rgba(255, 255, 255, 0.2);
  --glass-border-light: rgba(0, 0, 0, 0.2);
  --text-color-dark: #ffffff;
  --text-color-light: #333333;
  --bg-dark: linear-gradient(135deg, #1a1a1a, #4a4a4a);
  --bg-light: linear-gradient(135deg, #f0f0f0, #ffffff);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Montserrat', sans-serif;
}

body {
  background: var(--bg-dark);
  color: var(--text-color-dark);
  min-height: 100vh;
  transition: all 0.5s ease;
  -ms-overflow-style: none;  /* Hide scrollbar for IE and Edge */
  scrollbar-width: none;  /* Hide scrollbar for Firefox */
}

/* Hide scrollbar for Chrome, Safari and Opera */
body::-webkit-scrollbar {
  display: none;
}

body.light-mode {
  background: var(--bg-light);
  color: var(--text-color-light);
}

.light-mode {
  --glass-bg: var(--glass-bg-light);
  --glass-border: var(--glass-border-light);
  --text-color: var(--text-color-light);
}

.dark-mode {
  --glass-bg: var(--glass-bg-dark);
  --glass-border: var(--glass-border-dark);
  --text-color: var(--text-color-dark);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.theme-toggle {
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 1.5rem;
  cursor: pointer;
  transition: transform 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  width: 40px;
  padding: 0;
}

.theme-toggle:hover {
  transform: scale(1.1);
}

.logo img {
  height: 50px;
}

.social-links {
  display: flex;
  gap: 1rem;
  align-items: center;
  height: 50px;
}

.social-icon {
  color: var(--text-color);
  font-size: 1.5rem;
  transition: transform 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  width: 40px;
  text-decoration: none;
}

.social-icon:hover {
  transform: scale(1.1);
}

.admin-btn {
  padding: 0.5rem 1rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-color);
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.admin-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

main {
  padding: 2rem;
}

.categories {
  margin-top: 2rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 1rem;
}

.category-card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  padding: 1.5rem;
  transition: transform 0.3s ease;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  aspect-ratio: 1 / 1;
  height: auto;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.5s forwards;
}

.category-card:nth-child(1) { 
  animation-delay: 0.1s; 
}
.category-card:nth-child(2) { 
  animation-delay: 0.2s; 
}
.category-card:nth-child(3) { 
  animation-delay: 0.3s; 
}
.category-card:nth-child(4) { 
  animation-delay: 0.4s; 
}
.category-card:nth-child(5) { 
  animation-delay: 0.5s; 
}
.category-card:nth-child(6) { 
  animation-delay: 0.6s; 
}

.category-card:hover {
  transform: translateY(-5px);
}

.category-card img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.category-card h3 {
  margin: 1rem 0;
  font-size: 1.5rem;
}

.category-page {
  display: none;
  padding: 2rem;
}

.category-page.active {
  display: block;
}

.category-page h2 {
  margin-bottom: 2rem;
  font-size: 2rem;
}

.models-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.model-card {
  position: relative;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  padding: 1rem;
  transition: transform 0.3s ease;
  aspect-ratio: 1 / 1;
  display: flex;
  flex-direction: column;
  width: 100%;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.5s forwards;
}

.model-card:nth-child(1) { 
  animation-delay: 0.1s; 
}
.model-card:nth-child(2) { 
  animation-delay: 0.2s; 
}
.model-card:nth-child(3) { 
  animation-delay: 0.3s; 
}
.model-card:nth-child(4) { 
  animation-delay: 0.4s; 
}
.model-card:nth-child(5) { 
  animation-delay: 0.5s; 
}
.model-card:nth-child(6) { 
  animation-delay: 0.6s; 
}

.model-card img {
  width: 100%;
  height: 70%;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 0.5rem;
}

.model-card h4 {
  margin: 0.25rem 0;
  font-size: 1.2rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.model-card p {
  font-size: 0.9rem;
  margin: 0;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.verified-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #3897f0;
  font-size: 1.5rem;
  z-index: 2;
}

@media (min-width: 768px) {
  .models-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
}

.verified-toggle {
  margin-top: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.verified-toggle input[type="checkbox"] {
  width: auto;
  margin: 0;
}

.verified-toggle label {
  color: var(--text-color);
}

.back-button {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-color);
  padding: 0.5rem 1rem;
  border-radius: 5px;
  cursor: pointer;
  margin-bottom: 1rem;
  transition: all 0.3s ease;
  width: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.back-button:hover {
  transform: translateY(-2px);
  background: var(--glass-border);
}

.edit-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.edit-overlay:hover {
  opacity: 1;
}

.preview-image {
  width: 100%;
  height: auto;
  margin: 1rem 0;
  background-size: cover;
  background-position: center;
  border-radius: 5px;
  aspect-ratio: 1 / 1;
}

.delete-btn {
  background: #ff4444;
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.delete-btn:hover {
  background: #cc0000;
}

.category-nav {
  display: flex;
  gap: 1rem;
  margin: 0 2rem;
  overflow-x: auto;
  padding: 0.5rem;
  -ms-overflow-style: none;  /* Hide scrollbar for IE and Edge */
  scrollbar-width: none;  /* Hide scrollbar for Firefox */
}

/* Hide scrollbar for Chrome, Safari and Opera */
.category-nav::-webkit-scrollbar {
  display: none;
}

.category-nav-item {
  padding: 0.5rem 1rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  color: var(--text-color);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateY(10px);
  animation: fadeInUp 0.3s forwards;
}

.category-nav-item:nth-child(1) { 
  animation-delay: 0.1s; 
}
.category-nav-item:nth-child(2) { 
  animation-delay: 0.2s; 
}
.category-nav-item:nth-child(3) { 
  animation-delay: 0.3s; 
}
.category-nav-item:nth-child(4) { 
  animation-delay: 0.4s; 
}
.category-nav-item:nth-child(5) { 
  animation-delay: 0.5s; 
}

.category-nav-item:hover {
  background: var(--glass-border);
  transform: translateY(-2px);
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1000;
}

.modal.active {
  display: block;
}

.modal-content {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  padding: 2rem;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  min-width: 300px;
  max-width: 90%;
  width: 400px;
}

.modal.active .modal-content {
  transform: translate(-50%, -50%);
}

form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 1rem auto;
  width: 100%;
  max-width: 350px;
}

input, textarea, select, button {
  width: 100%;
  padding: 0.8rem;
  margin-bottom: 0.5rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--glass-border);
  border-radius: 5px;
  color: var(--text-color);
}

.hidden {
  display: none;
}

.admin-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  padding: 2rem;
  margin-top: 2rem;
}

.admin-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 1rem;
}

.edit-btn {
  padding: 0.5rem 1rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-color);
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.3s ease;
  width: auto;
  font-size: 0.9rem;
}

.edit-btn:hover {
  background: var(--glass-border);
  transform: translateY(-2px);
}

footer {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--glass-border);
  padding: 2rem 0;
  margin-top: 4rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  padding: 0 2rem;
}

.footer-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-section h3 {
  color: var(--text-color);
  font-size: 1.2rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  margin-top: 2rem;
  border-top: 1px solid var(--glass-border);
}

.category-card,
.model-card,
.admin-btn,
.theme-toggle,
.social-icon,
input,
textarea,
select,
button {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.model-preview-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 2000;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.model-preview-modal.active {
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 1;
}

.model-preview-content {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  padding: 2rem;
  max-width: 90%;
  width: 800px;
  transform: scale(0.9);
  transition: transform 0.3s ease;
  position: relative;
}

.model-preview-modal.active .model-preview-content {
  transform: scale(1);
}

.model-preview-image {
  max-width: 100%;
  max-height: 70vh;
  object-fit: contain;
  border-radius: 10px;
}

.model-preview-image-container {
  position: relative;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-color);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 1;
}

.nav-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.prev-btn {
  left: 10px;
}

.next-btn {
  right: 10px;
}

.nav-btn:hover:not(:disabled) {
  background: var(--glass-border);
  transform: translateY(-50%) scale(1.1);
}

.image-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 1rem;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  cursor: pointer;
  transition: all 0.3s ease;
}

.dot.active {
  background: var(--text-color);
}

input[type="file"] {
  padding: 0.5rem;
}

input[type="file"]::file-selector-button {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-color);
  padding: 0.5rem 1rem;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.3s ease;
}

input[type="file"]::file-selector-button:hover {
  background: var(--glass-border);
}

.model-preview-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  width: auto;
  transition: transform 0.3s ease;
}

.model-preview-close:hover {
  transform: scale(1.1);
}

.model-preview-info {
  margin-top: 1rem;
}

.model-preview-info h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.model-preview-verified {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #3897f0;
  font-size: 1rem;
}

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

#homeContent, #categoryContent {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

#homeContent.active, #categoryContent.active {
  opacity: 1;
  transform: translateY(0);
}