/* gallery.css */

/* Layout and Container */
.gallery-container {
  max-width: 1200px;
  margin: 4rem auto;
  padding: 0 1.5rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}

/* Navigation */
.nav {
  background: var(--nav-bg);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-links {
  display: flex;
  gap: 1rem;
}
.nav-link {
  color: var(--text-light);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease;
}
.nav-link:hover,
.nav-link.active {
  color: var(--accent-color);
}

/* Search */
.search-container input {
  padding: 0.5rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(4px);
  background: var(--glass-bg);
  color: var(--text-light);
  width: 200px;
  transition: width 0.3s ease;
}
.search-container input:focus {
  width: 300px;
  outline: none;
  border-color: var(--accent-color);
}

/* Hero */
#gallery-hero {
  height: 50vh;
  background: linear-gradient(135deg, #1e90ff 0%, #00c3ff 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}
#gallery-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('images/hero-bg.jpg') center/cover no-repeat;
  opacity: 0.2;
}
.hero-content {
  position: relative;
  z-index: 1;
  animation: fadeInUp 1s ease-out both;
}
.hero-title {
  font-size: 3rem;
  color: #fff;
  margin-bottom: 0.5rem;
}
.hero-subtitle {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.85);
}

/* Filters */
.filters {
  padding: 2rem 0 1rem;
  background: var(--glass-bg);
  backdrop-filter: blur(6px);
}
.filter-btn {
  background: transparent;
  border: 1px solid var(--accent-color);
  color: var(--accent-color);
  padding: 0.5rem 1rem;
  margin-right: 0.5rem;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.3s, color 0.3s;
}
.filter-btn.active,
.filter-btn:hover {
  background: var(--accent-color);
  color: #000;
}

/* Gallery Items */
.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 6px 20px var(--shadow-glass);
  background: #111;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.gallery-item img {
  width: 100%;
  display: block;
  transition: transform 0.5s ease;
}
.gallery-item:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 10px 30px var(--shadow-glass);
}
.gallery-item:hover img {
  transform: scale(1.1);
}

/* Overlay & View Button */
.overlay {
  position: absolute;
  inset: 0;
  background: rgba(30,144,255,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.gallery-item:hover .overlay {
  opacity: 1;
}
.view-btn {
  background: var(--accent-color);
  color: #000;
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: 50px;
  font-weight: bold;
  cursor: pointer;
  transform: translateY(20px);
  opacity: 0;
  transition: transform 0.4s ease, opacity 0.4s ease;
}
.gallery-item:hover .view-btn {
  transform: translateY(0);
  opacity: 1;
}

/* Caption */
.caption {
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  color: var(--text-light);
  background: rgba(0,0,0,0.6);
  text-align: center;
  transition: background 0.3s;
}
.gallery-item:hover .caption {
  background: rgba(0,0,0,0.8);
}

/* Pagination */
.pagination {
  padding: 2rem 0;
  text-align: center;
}
.page-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-light);
  margin: 0 0.25rem;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.3s, color 0.3s;
}
.page-btn.active,
.page-btn:hover {
  background: var(--accent-color);
  color: #000;
}

/* Footer */
.footer {
  background: #111;
  color: #aaa;
  padding: 3rem 1.5rem;
}
.footer h4 {
  color: #fff;
  margin-bottom: 0.5rem;
}
.footer a.nav-link {
  color: var(--text-light);
}
.footer a.nav-link:hover {
  color: var(--accent-color);
}

/* Lightbox */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}
.lightbox-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.lightbox-content {
  position: relative;
  max-width: 90%;
  max-height: 90%;
}
.lightbox-content img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 8px 24px var(--shadow-glass);
}
.lightbox-close {
  position: absolute;
  top: -12px;
  right: -12px;
  font-size: 2rem;
  color: #fff;
  cursor: pointer;
}

/* Scroll Arrow */
#scroll-arrow {
  position: fixed;
  bottom: 20px;
  left: 50%;
  width: 48px;
  height: 48px;
  transform: translateX(-50%) translateY(40px);
  opacity: 0;
  cursor: pointer;
  transition: opacity 0.5s ease, transform 0.5s ease;
  pointer-events: none;
  z-index: 100;
  background: url('src/arrow.svg') center/contain no-repeat;
}
#scroll-arrow.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

/* Scroll reveal animations */
[data-scroll] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
[data-scroll].visible {
  opacity: 1;
  transform: translateY(0);
}

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

/* Responsive */
@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}
/* Lightbox расширенный */
.lightbox-controls {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: .75rem;
}
.lightbox-controls button,
.lightbox-controls .lightbox-download {
  background: var(--accent-color);
  color: #000;
  border: none;
  padding: .5rem 1rem;
  border-radius: 6px;
  font-weight: bold;
  cursor: pointer;
  transition: background .2s ease;
}
.lightbox-controls button:hover,
.lightbox-controls .lightbox-download:hover {
  background: var(--accent-soft);
}
/* Lightbox Overlay */
#lightbox.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
  z-index: 10000;
}

/* Когда класс open установлен — показываем */
#lightbox.lightbox-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

/* Контейнер содержимого */
/* Улучшенный и расширенный стиль для панели просмотра (Lightbox) */

/* Фон с лёгким блюром и плавным появлением */
#lightbox.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
  z-index: 10000;
}
#lightbox.lightbox-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

/* Контейнер содержимого с неоновым ободком и масштабом */
.lightbox-content {
  position: relative;
  max-width: 80%;
  max-height: 85%;
  background: rgba(20,24,30,0.95);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow:
    0 0 24px rgba(30,144,255,0.7),
    0 12px 32px rgba(0,0,0,0.8);
  transform: scale(0.9);
  animation: fadeInScale 0.4s ease-out forwards;
}

/* Картинка с плавной подложкой и адаптивом */
.lightbox-content img {
  display: block;
  max-width: 100%;
  max-height: 70vh;
  margin: 0 auto;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.6);
  background: #111;
}

/* Подпись с полупрозрачным фоном */
.lightbox-caption {
  margin: 1rem auto 0;
  color: #ddd;
  font-size: 1rem;
  text-align: center;
  background: rgba(0,0,0,0.5);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  max-width: 90%;
}

/* Кнопка закрытия в виде круга с иконкой */
.lightbox-close {
  position: absolute;
  top: -14px;
  right: -14px;
  width: 36px;
  height: 36px;
  background: var(--accent-color);
  color: #000;
  font-size: 1.6rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0,0,0,0.5);
  transition: transform 0.2s ease, background 0.2s ease;
}
.lightbox-close:hover {
  transform: scale(1.1);
  background: var(--accent-soft);
}

/* Панель управления: назад, скачать, вперёд */
.lightbox-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1.25rem;
}
.lightbox-controls button,
.lightbox-controls .lightbox-download {
  background: linear-gradient(135deg, #1e90ff, #66ccff);
  color: #000;
  border: none;
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0,0,0,0.4);
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}
.lightbox-controls button:hover,
.lightbox-controls .lightbox-download:hover {
  transform: translateY(-2px) scale(1.03);
  background: linear-gradient(135deg, #66ccff, #1e90ff);
  box-shadow: 0 6px 20px rgba(0,0,0,0.5);
}

/* Кнопки навигации по краям */
.lightbox-prev,
.lightbox-next {
  flex: 0 0 auto;
  font-size: 1.2rem;
}

/* Кнопка загрузки растягивается */
.lightbox-download {
  flex: 1 1 auto;
  text-align: center;
}

/* Анимация появления с масштабом */
@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  } 
}