/* Claud Image Gallery - Frost Theme CSS */
:root {
  --primary: #87CEEB;
  --primary-dark: #4682B4;
  --primary-light: #E0F7FA;
  --primary-glow: rgba(135, 206, 235, 0.3);
  --secondary: #B0E0E6;
  --accent: #00BFFF;
  --bg-dark: #0A1A2A;
  --bg-darker: #05121F;
  --card-bg: #1E2A3A;
  --card-hover: #2A3A4A;
  --text-light: #FFFFFF;
  --text-gray: #B8D4E6;
  --text-ice: #87CEEB;
  --frost-glow: rgba(176, 224, 230, 0.4);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', sans-serif;
  background: linear-gradient(rgba(10, 26, 42, 0.85), rgba(5, 18, 31, 0.95)),
    url('https://images.unsplash.com/photo-1519681393784-d120267933ba?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') center/cover fixed no-repeat;
  color: var(--text-light);
  overflow-x: hidden;
  min-height: 100vh;
}

.header {
  position: relative;
  padding-top: 6rem;
  padding-bottom: 2rem;
  min-height: 50vh;
  display: flex;
  flex-direction: column;
}

.header::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, transparent 0%, var(--primary-glow) 50%, transparent 100%);
  animation: frostShift 8s ease-in-out infinite;
  pointer-events: none;
  z-index: -1;
}

@keyframes frostShift {
  0%, 100% { opacity: 0.3; transform: translateX(-10px); }
  50% { opacity: 0.6; transform: translateX(10px); }
}

.snow-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
}

.snowflake {
  position: absolute;
  color: var(--primary-light);
  font-size: 1rem;
  opacity: 0.8;
  text-shadow: 0 0 5px var(--primary-glow);
  pointer-events: none;
  animation: snowFall linear infinite;
}

@keyframes snowFall {
  0% { transform: translateY(-10px) translateX(0) rotate(0deg); opacity: 0; }
  10% { opacity: 0.8; }
  90% { opacity: 0.6; }
  100% { transform: translateY(100vh) translateX(20px) rotate(180deg); opacity: 0; }
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.2rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  background: rgba(10, 26, 42, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--primary-glow);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text-light);
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.8rem;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.logo-icon {
  font-size: 2.2rem;
  color: var(--primary);
  transition: all 0.5s ease;
}

.logo-text {
  background: linear-gradient(135deg, var(--text-light), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo:hover .logo-icon {
  transform: scale(1.1);
  color: var(--accent);
  text-shadow: 0 0 15px var(--primary-glow), 0 0 30px var(--frost-glow);
  animation: rotate 2s linear infinite;
}

@keyframes rotate {
  from {
    transform: scale(1.1) rotate(0deg);
  }
  to {
    transform: scale(1.1) rotate(360deg);
  }
}
.logo:hover .logo-text {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.search-container {
  flex: 1;
  max-width: 400px;
  margin: 0 2rem;
}

.search-bar {
  display: flex;
  align-items: center;
  background: rgba(30, 42, 58, 0.8);
  border: 1px solid var(--primary-glow);
  border-radius: 25px;
  padding: 0.5rem 1rem;
  transition: all 0.3s ease;
}

.search-bar:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 20px var(--primary-glow);
  background: rgba(30, 42, 58, 0.95);
}

.search-icon {
  color: var(--text-gray);
  margin-right: 0.5rem;
}

.search-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-light);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  padding: 0.5rem;
}

.search-input::placeholder {
  color: var(--text-gray);
}

.search-input:focus {
  outline: none;
}

.search-btn {
  background: var(--primary);
  border: none;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-dark);
  cursor: pointer;
  transition: all 0.3s ease;
}

.search-btn:hover {
  background: var(--accent);
  transform: scale(1.1);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-shrink: 0;
}

.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
  border-radius: 8px;
  padding: 0.5rem 0.8rem;
  cursor: pointer;
  font-size: 1.2rem;
  transition: all 0.3s ease;
}

.mobile-menu-toggle:hover {
  background: var(--primary-glow);
  transform: scale(1.05);
}

.nav-link {
  color: var(--text-gray);
  text-decoration: none;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  cursor: pointer;
}

.nav-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--primary-glow), transparent);
  transition: left 0.5s ease;
}

.nav-link:hover::before {
  left: 100%;
}

.nav-link:hover {
  color: var(--text-light);
  background: var(--primary-glow);
  transform: translateY(-2px);
}

.nav-link.active {
  color: var(--primary);
  background: var(--primary-glow);
}

.dropdown {
  position: relative;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.dropdown-arrow {
  font-size: 0.7rem;
  transition: transform 0.3s ease;
}

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

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: rgba(30, 42, 58, 0.98);
  backdrop-filter: blur(10px);
  border: 1px solid var(--primary-glow);
  border-radius: 8px;
  padding: 0.5rem 0;
  min-width: 150px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  z-index: 1000;
}

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

.dropdown.mobile-active .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  max-height: 300px;
}

.dropdown-item {
  display: block;
  padding: 0.7rem 1rem;
  color: var(--text-gray);
  text-decoration: none;
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
}

.dropdown-item:hover {
  color: var(--text-light);
  background: var(--primary-glow);
}

.special-link {
  color: var(--text-ice);
  text-decoration: none;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.6rem 1.2rem;
  border: 2px solid var(--primary);
  border-radius: 25px;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
  background: transparent;
  white-space: nowrap;
  cursor: pointer;
}

.special-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--primary-glow), transparent);
  transition: left 0.6s ease;
}

.special-link:hover::before {
  left: 100%;
}

.special-link:hover {
  background: var(--primary-glow);
  border-color: var(--accent);
  color: var(--text-light);
  box-shadow: 0 0 20px var(--primary-glow), 0 0 40px var(--frost-glow);
  transform: translateY(-3px) scale(1.05);
}

.header-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 0 2rem;
  margin: 0 auto;
  text-align: center;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.header-title {
  font-family: 'Poppins', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 1rem;
  text-shadow: 0 0 20px var(--primary-glow), 0 0 40px var(--frost-glow), 2px 2px 4px rgba(0, 0, 0, 0.5);
  animation: titleGlow 3s ease-in-out infinite alternate;
  line-height: 1.2;
}

@keyframes titleGlow {
  0% { text-shadow: 0 0 20px var(--primary-glow), 0 0 40px var(--frost-glow), 2px 2px 4px rgba(0, 0, 0, 0.5); }
  100% { text-shadow: 0 0 30px var(--primary-glow), 0 0 60px var(--frost-glow), 2px 2px 6px rgba(0, 0, 0, 0.7); }
}

.header-subtitle {
  font-size: 1.1rem;
  color: var(--text-gray);
  margin-bottom: 1rem;
  font-weight: 400;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
  line-height: 1.5;
}

.ice-divider {
  width: 100px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--accent), transparent);
  margin: 1rem auto;
  border-radius: 2px;
  animation: dividerPulse 2s ease-in-out infinite;
}

@keyframes dividerPulse {
  0%, 100% { opacity: 0.7; transform: scaleX(1); }
  50% { opacity: 1; transform: scaleX(1.2); }
}

.gallery-section {
  padding: 1rem 2rem 3rem;
  position: relative;
  z-index: 1;
}

.gallery-container {
  max-width: 1400px;
  margin: 0 auto;
}

.images-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
  min-height: 400px;
}

.image-card {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background: var(--card-bg);
  transition: all 0.4s ease;
  cursor: pointer;
  aspect-ratio: 4/3;
  border: 1px solid var(--primary-glow);
}

.image-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.6), 0 0 25px var(--primary-glow);
}

.image-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.image-card:hover img {
  transform: scale(1.1);
}

.favorite-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(10, 26, 42, 0.8);
  border: 2px solid var(--primary-glow);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-gray);
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 10;
  backdrop-filter: blur(5px);
}

.favorite-btn:hover {
  transform: scale(1.15);
  background: rgba(10, 26, 42, 0.95);
  border-color: var(--primary);
}

.favorite-btn.favorited {
  color: #ff4444;
  border-color: #ff4444;
  background: rgba(255, 68, 68, 0.2);
}

.favorite-btn i {
  font-size: 1.2rem;
}

.image-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(10, 26, 42, 0.95));
  padding: 1.2rem;
  transform: translateY(100%);
  transition: transform 0.4s ease;
}

.image-card:hover .image-overlay {
  transform: translateY(0);
}

.image-author {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.image-author a {
  color: var(--primary);
  text-decoration: none;
}

.image-description {
  color: var(--text-gray);
  font-size: 0.85rem;
  line-height: 1.4;
}

.loading-spinner {
  text-align: center;
  color: var(--text-ice);
  font-size: 1.2rem;
  padding: 2rem;
  grid-column: 1 / -1;
}

.load-more-btn {
  display: block;
  margin: 2rem auto;
  padding: 1rem 2rem;
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--text-ice);
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.load-more-btn:hover {
  background: var(--primary-glow);
  border-color: var(--accent);
  box-shadow: 0 0 20px var(--primary-glow);
  transform: translateY(-2px);
}

.error-message, .no-images {
  text-align: center;
  color: var(--text-ice);
  padding: 2rem;
  grid-column: 1 / -1;
  font-size: 1.1rem;
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 2rem;
  background: rgba(30, 42, 58, 0.6);
  border-radius: 16px;
  border: 2px dashed var(--primary-glow);
}

.empty-state i {
  font-size: 4rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
  display: block;
}

.empty-state h3 {
  color: var(--text-light);
  font-size: 1.8rem;
  margin-bottom: 1rem;
  font-family: 'Poppins', sans-serif;
}

.empty-state p {
  color: var(--text-gray);
  font-size: 1.1rem;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.upload-btn {
  padding: 1rem 2rem;
  background: var(--primary);
  color: var(--bg-dark);
  border: none;
  border-radius: 25px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.upload-btn:hover {
  background: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(135, 206, 235, 0.4);
}

.upload-btn i {
  font-size: 1.2rem;
}

#fileInput {
  display: none;
}

.delete-btn {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(255, 68, 68, 0.9);
  border: 2px solid #ff4444;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 10;
  opacity: 0;
}

.image-card:hover .delete-btn {
  opacity: 1;
}

.delete-btn:hover {
  transform: scale(1.15);
  background: #cc0000;
  border-color: #cc0000;
}

.notification {
  position: fixed;
  top: 100px;
  right: 2rem;
  background: rgba(30, 42, 58, 0.95);
  border: 1px solid var(--primary-glow);
  border-radius: 12px;
  padding: 1rem 1.5rem;
  color: var(--text-light);
  z-index: 10000;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  animation: slideIn 0.3s ease;
  min-width: 250px;
}

@keyframes slideIn {
  from { transform: translateX(400px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.notification.success {
  border-color: #4CAF50;
}

.notification.error {
  border-color: #ff4444;
}

.notification i {
  font-size: 1.5rem;
}

.notification.success i {
  color: #4CAF50;
}

.notification.error i {
  color: #ff4444;
}

/* Mobile Responsive */
@media (max-width: 1200px) {
  .search-container {
    max-width: 350px;
  }

  .header-title {
    font-size: 2.2rem;
  }

  .navbar {
    padding: 1rem 2rem;
  }
}

@media (max-width: 968px) {
  .navbar {
    padding: 1rem 1.5rem;
    flex-wrap: wrap;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .search-container {
    order: 3;
    width: 100%;
    max-width: 100%;
    margin: 1rem 0 0 0;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    right: -100%;
    width: 280px;
    height: calc(100vh - 70px);
    background: rgba(10, 26, 42, 0.98);
    backdrop-filter: blur(10px);
    border-left: 1px solid var(--primary-glow);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem 0;
    transition: right 0.3s ease;
    overflow-y: auto;
    z-index: 999;
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-link {
    padding: 1rem 1.5rem;
    border-radius: 0;
    width: 100%;
  }

  .dropdown {
    width: 100%;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    border: none;
    border-radius: 0;
    background: rgba(20, 32, 48, 0.8);
    padding: 0;
  }

  .dropdown.mobile-active .dropdown-menu {
    max-height: 300px;
    padding: 0.5rem 0;
  }

  .dropdown-toggle {
    width: 100%;
    justify-content: space-between;
  }

  .special-link {
    margin: 0 1.5rem;
    text-align: center;
    justify-content: center;
  }

  .header {
    min-height: 40vh;
    padding-top: 8rem;
    margin-top: 2.3rem;
  }

  .header-title {
    font-size: 2rem;
  }

  .header-subtitle {
    font-size: 1rem;
  }

  .stories-grid {
    grid-template-columns: 1fr;
  }

  .lightbox-nav {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }

  .lightbox-prev {
    left: 1rem;
  }

  .lightbox-next {
    right: 1rem;
  }

  .lightbox-close {
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }

  .lightbox-info {
    bottom: 1rem;
    left: 1rem;
    right: 1rem;
    transform: none;
    max-width: none;
    padding: 0.8rem 1rem;
    transition: opacity 0.3s ease, transform 0.3s ease;
  }

  .lightbox-info.hidden {
    opacity: 0;
    transform: translateY(20px);
  }

  .lightbox-counter {
    top: 1rem;
    left: 1rem;
    font-size: 0.85rem;
    padding: 0.4rem 0.8rem;
  }
}

@media (max-width: 768px) {
  .images-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
  }

  .header-title {
    font-size: 1.8rem;
  }

  .header-subtitle {
    font-size: 0.9rem;
  }

  .gallery-section {
    padding: 1rem 1rem 3rem;
  }

  .notification {
    right: 1rem;
    left: 1rem;
    min-width: auto;
  }

  .empty-state {
    padding: 3rem 1.5rem;
  }

  .empty-state h3 {
    font-size: 1.5rem;
  }

  .empty-state i {
    font-size: 3rem;
  }
}

@media (max-width: 600px) {
  .stories-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .story-card {
    min-width: auto;
  }
}

@media (max-width: 480px) {
  .images-grid {
    grid-template-columns: 1fr;
  }

  .navbar {
    padding: 1rem;
  }

  .logo {
    font-size: 1.5rem;
  }

  .logo-icon {
    font-size: 1.8rem;
  }

  .header-title {
    font-size: 1.6rem;
  }

  .header-subtitle {
    font-size: 0.85rem;
  }

  .lightbox-image {
    max-height: 70vh;
  }

  .lightbox-info {
    font-size: 0.85rem;
  }
}

@media (max-width: 360px) {
  .logo-text {
    display: none;
  }

  .navbar {
    justify-content: space-between;
  }
}