/* ===================================
   Gallery Page Styles (Landing/Home)
   Recipe gallery and filtering
   =================================== */

/* Gallery Header */
.gallery-header {
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.gallery-header::before {
  content: '';
  position: absolute;
  top: -30px;
  left: 0;
  right: 0;
  height: 30px;
  background: linear-gradient(to bottom, var(--background-color), transparent);
  pointer-events: none;
  z-index: 50;
}

.gallery-header-top {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: var(--spacing-lg);
  flex-wrap: nowrap;
  width: 100%;
  overflow-x: auto;
  padding-bottom: var(--spacing-sm);
}

.gallery-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  flex-shrink: 0;
}

.gallery-subtitle {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin: 0;
  flex-shrink: 0;
}


/* Tag Filter Styles */
.tag-filter-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.tag-filter-label {
  font-weight: 500;
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tag-filter {
  display: flex;
  flex-wrap: nowrap;
  gap: var(--spacing-sm);
  align-items: center;
  position: relative;
  overflow: visible;
}

.tag-button {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--background-secondary);
  border: 2px solid transparent;
  border-radius: 20px;
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  flex-shrink: 0;
}

.tag-button:hover {
  background-color: var(--background-tertiary);
  border-color: var(--primary-color);
}

.tag-button.active {
  background-color: var(--primary-color);
  color: white;
  font-weight: 600;
}


/* Recipe Cards - Background Image Style with Glassmorphic Overlay */
.recipe-card {
  background: var(--background-color);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  box-shadow: 0 1px 3px var(--shadow-color);
  aspect-ratio: 4 / 5;
  position: relative;
  text-decoration: none;
  color: inherit;
  /* Enable GPU acceleration for transforms */
  will-change: transform, box-shadow;
  /* Enable lazy loading for background images */
  background-attachment: scroll;
}

.recipe-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px var(--shadow-hover);
  border-color: var(--border-hover);
  text-decoration: none;
}

.recipe-card[data-loading="lazy"] {
  background-color: var(--background-tertiary);
}

/* Glassmorphic Content Overlay */
.card-content {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  position: absolute;
  bottom: 0.5rem;
  left: 0.5rem;
  right: 0.5rem;
  box-sizing: border-box;
  border-radius: var(--radius-lg);
  min-height: auto;
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 0.25rem 0;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-align: center;
  width: 100%;
}

.card-meta {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  text-align: center;
  margin: 0;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-xs);
  margin: 0.25rem 0 0 0;
}

.card-tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  background-color: transparent;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
}

.card-tag-more {
  padding: 3px 8px;
  background-color: transparent;
  color: var(--text-secondary);
  font-size: 10px;
}

/* Altitude Badge */
.altitude-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  background: #3b82f6;
  border-radius: 12px;
  margin: var(--spacing-xs) 0;
  font-size: 11px;
  font-weight: 600;
  color: white;
}

.altitude-text {
  white-space: nowrap;
}

.card-body {
  padding: var(--spacing-lg);
}

.card-description {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-color);
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
}

.card-meta-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}


/* Image Loading Placeholders */
.image-placeholder {
  background: linear-gradient(90deg, var(--background-tertiary) 25%, var(--background-secondary) 50%, var(--background-tertiary) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  min-height: 300px;
  border-radius: var(--radius-md);
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}


/* Tag Dropdown */
.tag-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 280px;
  max-height: 300px;
  overflow-y: auto;
  background: var(--background-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 25px var(--shadow-color);
  z-index: var(--z-dropdown);
  padding: var(--spacing-sm);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.tag-dropdown.hidden {
  display: none;
}

.tag-dropdown-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--background-secondary);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
  width: 100%;
}

.tag-dropdown-item:hover {
  background-color: var(--background-tertiary);
  border-color: var(--primary-color);
}

.tag-dropdown-item.active {
  background-color: var(--primary-color);
  color: white;
  font-weight: 600;
}

.tag-more-button {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--background-tertiary);
  border: 2px solid var(--border-color);
  border-radius: 20px;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  flex-shrink: 0;
  font-weight: 500;
}

.tag-more-button:hover {
  background-color: var(--background-color);
  border-color: var(--primary-color);
  color: var(--text-primary);
}


/* Nav Menu for Mobile */
.nav-menu {
  position: relative;
}

.nav-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  background: var(--background-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: var(--font-size-lg);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.nav-menu-btn:hover {
  background: var(--background-tertiary);
  border-color: var(--border-hover);
}

.nav-menu-btn.login-btn {
  width: auto;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
  font-weight: 500;
  gap: var(--spacing-xs);
  box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
}

.nav-menu-btn.login-btn:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(37, 99, 235, 0.3);
}

.login-icon {
  font-size: 1.1em;
}

.login-text {
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.nav-icon {
  display: inline-block;
  font-size: 1.3em;
}

.nav-menu-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 180px;
  background: var(--background-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px var(--shadow-color);
  overflow: hidden;
  z-index: var(--z-dropdown);
  animation: slideDown 0.2s ease-out;
}

.nav-menu-dropdown.hidden {
  display: none;
}

.nav-menu-header {
  padding: var(--spacing-xs) var(--spacing-sm);
  border-bottom: 1px solid var(--border-color);
  background: var(--background-secondary);
}

.nav-menu-header h3 {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--text-secondary);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-menu-items {
  display: flex;
  flex-direction: column;
  padding: var(--spacing-xs) 0;
}

.nav-menu-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: none;
  border: none;
  font-size: var(--font-size-sm);
  font-weight: 400;
  color: var(--text-primary);
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition-fast);
  text-align: left;
}

.nav-menu-item:hover {
  background: var(--background-secondary);
}

.nav-menu-item.nav-button {
  background: none;
  border: none;
  font-family: var(--font-family);
  width: 100%;
}

.nav-item-icon {
  display: inline-block;
  font-size: 1.1em;
  flex-shrink: 0;
}

.nav-item-text {
  flex: 1;
  line-height: 1.3;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-menu-footer {
  padding: var(--spacing-xs) var(--spacing-sm);
  border-top: 1px solid var(--border-color);
  background: var(--background-secondary);
}

.user-info {
  margin-bottom: var(--spacing-xs);
}

.user-name {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 2px 0;
}

.user-email {
  font-size: 10px;
  color: var(--text-secondary);
  margin: 0;
  word-break: break-all;
  opacity: 0.7;
}

.nav-logout {
  width: 100%;
  padding: var(--spacing-xs) var(--spacing-sm);
  border: none;
  margin: 0;
  text-align: left;
  color: var(--danger-color);
  font-size: var(--font-size-sm);
  font-weight: 400;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}


/* Hint Banner */
.hint-banner {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
  color: white;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
  overflow: hidden;
  transform: translateY(-10px);
  opacity: 0;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
}

.hint-banner.show {
  transform: translateY(0);
  opacity: 1;
}

.hint-banner-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
}

.hint-banner-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.hint-banner-text {
  flex: 1;
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

.hint-banner-text strong {
  font-weight: 600;
}

.hint-banner-close {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hint-banner-close:hover {
  background: rgba(255, 255, 255, 0.3);
}

.hint-banner-close:active {
  transform: scale(0.95);
}