@import url('./common/advancedAnimation.css');

/* Global scrolling behavior */
html, body {
  overflow-x: hidden;
}

.header-icon {
  display: flex;
  align-items: center;
  color: var(--color-accent);
}

/* Custom Scrollbar Styles */
.gallery-content::-webkit-scrollbar {
  width: 8px;
}

.gallery-content::-webkit-scrollbar-track {
  border-radius: var(--radius-md);
  background: var(--color-surface-elevated);
}

.gallery-content::-webkit-scrollbar-thumb {
  border-radius: var(--radius-md);
  background: var(--color-border);
  transition: var(--transition-fast);
}

.gallery-content::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-secondary);
}

/* Container */
.gallery-container {
  display: flex;
  overflow: hidden;
  margin: 0;
  padding: 1rem;
  width: 100%;
  height: 100vh;
  flex-direction: column;
  gap: 1.25rem;
  box-sizing: border-box;
}

/* Card Base */
.gallery-card {
  overflow: hidden;
  border: 1px solid var(--color-border-secondary);
  border-radius: var(--radius-xl);
  background: var(--color-background-secondary);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-medium);
}

.gallery-card:hover {
  border-color: var(--color-border);
  box-shadow: var(--shadow-md);
}

/* Header Card */
.header-card .card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--color-border-secondary);
  padding: 1rem 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.header-content {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 1;
}

.header-content h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text-primary);
  letter-spacing: -0.025em;
}

.header-content p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.action-button {
  display: flex;
  align-items: center;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.325rem 0.5rem;
  font-size: 0.875rem;
  font-family: inherit;
  font-weight: 500;
  color: white;
  background: var(--color-accent);
  transition: var(--transition-fast);
  gap: 0.5rem;
  cursor: pointer;
}

.action-button:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* View Mode Toggle */
.view-mode-toggle {
  position: relative;
}

.view-mode-toggle:hover {
  background: var(--color-accent-hover) !important;
}

.sync-delete-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.toggle-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* Custom Switch */
.custom-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 20px;
}

.custom-switch input {
  width: 0;
  height: 0;
  opacity: 0;
}

.switch-slider {
  position: absolute;
  inset: 0;
  border-radius: 24px;
  background: linear-gradient(180deg, #d0d3d9 0%, #c0c4cc 100%);
  box-shadow: inset 0 1px 3px rgb(0 0 0 / 15%);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.switch-slider::before {
  position: absolute;
  bottom: 2px;
  left: 2px;
  border-radius: 50%;
  width: 17px;
  height: 17px;
  background: linear-gradient(180deg, #ffffff 0%, #f5f5f5 100%);
  box-shadow:
    0 2px 6px rgb(0 0 0 / 20%),
    0 1px 2px rgb(0 0 0 / 10%);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  content: "";
}

input:checked + .switch-slider {
  background: var(--color-accent);
  box-shadow:
    inset 0 1px 3px rgb(0 0 0 / 10%),
    0 2px 8px color-mix(in srgb, var(--color-accent), transparent 30%);
}

input:checked + .switch-slider::before {
  transform: translateX(22px);
}

/* Grid Size Control */
.grid-size-control {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border-secondary);
  border-radius: var(--radius-md);
  padding: 0.375rem 0.5rem;
  background: var(--color-background-secondary);
  gap: 0.375rem;
}

.grid-size-control .control-label {
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
  color: var(--color-text-secondary);
}

.grid-slider {
  border-radius: 2px;
  width: 70px;
  height: 4px;
  background: var(--color-background-tertiary);
  outline: none;
  appearance: none;
  cursor: pointer;
}

.grid-slider::-webkit-slider-thumb {
  border-radius: 50%;
  width: 15px;
  height: 15px;
  background: var(--color-accent);
  transition: var(--transition-fast);
  appearance: none;
  cursor: pointer;
}

.grid-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-accent), transparent 60%);
}

.grid-slider::-moz-range-thumb {
  border: none;
  border-radius: 50%;
  width: 14px;
  height: 14px;
  background: var(--color-accent);
  transition: var(--transition-fast);
  cursor: pointer;
}

.grid-slider::-moz-range-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent), transparent 60%);
}

.grid-value {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  border-radius: var(--radius-sm);
  padding: 0.125rem 0.375rem;
  min-width: 20px;
  font-size: 0.6875rem;
  font-weight: 600;
  color: white;
  background: var(--color-accent);
  line-height: 1;
}

/* Filter Card */
.filter-card {
  border-radius: var(--radius-lg);
}

.filter-content {
  padding: 1rem;
}

.filter-row {
  display: flex;
  align-items: flex-start;
  margin-bottom: 0.75rem;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.filter-row:last-child {
  margin-bottom: 0;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  min-width: 140px;
  flex: 1 1 auto;
  max-width: 220px;
}

.filter-label {
  margin-bottom: 0.125rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-primary);
  line-height: 1.4;
}

/* Custom Select */
.custom-select {
  border: 1px solid var(--color-border-secondary);
  border-radius: var(--radius-md);
  padding: 0.375rem 0.5rem;
  width: 100%;
  min-width: 0;
  height: 28px;
  font-size: 0.85rem;
  text-align: center;
  color: var(--color-text-primary);
  background: var(--color-background-secondary);
  transition: var(--transition-fast);
  cursor: pointer;
  line-height: 1.4;
}

.custom-select:focus {
  border-color: var(--color-accent);
  outline: none;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent), transparent 80%);
}

.select-option {
  font-size: 0.85rem;
  color: var(--color-text-primary);
  background: var(--color-background-tertiary);
}

/* Custom Multiselect */
.custom-multiselect {
  position: relative;
}

.multiselect-trigger {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid var(--color-border-secondary);
  border-radius: var(--radius-md);
  padding: 0.375rem 0.5rem;
  width: 100%;
  height: 28px;
  font-size: 0.85rem;
  color: var(--color-text-primary);
  background: var(--color-background-secondary);
  transition: var(--transition-fast);
  cursor: pointer;
  line-height: 1.4;
}

.multiselect-trigger:hover {
  border-color: var(--color-accent-hover);
}

.multiselect-trigger:focus,
.multiselect-trigger.active {
  border-color: var(--color-accent-hover);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-accent), transparent 80%);
}

.multiselect-dropdown {
  position: fixed;
  z-index: 1000;
  overflow-y: auto;
  margin-top: 2px;
  border: 1px solid var(--color-border-secondary);
  border-radius: var(--radius-md);
  padding: 0.375rem 0.5rem;
  min-width: 200px;
  max-height: 280px;
  color: var(--color-text-primary);
  background: var(--color-background-tertiary);
  box-shadow: var(--shadow-lg);
  scrollbar-width: none;
}

.multiselect-option {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.25rem 0.5rem;
  min-height: unset;
  font-size: 0.95rem;
  background: var(--color-background-secondary);
  transition: var(--transition-fast);
  gap: 0.25rem;
  cursor: pointer;
  line-height: 1.4;
}

.multiselect-option:hover {
  background: var(--color-accent-hover);
}

.multiselect-option input[type="checkbox"] {
  margin: 0;
}

/* Date Range Picker */
.date-range-picker {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
}

.date-input {
  border: 1px solid var(--color-border-secondary);
  border-radius: var(--radius-md);
  padding: 0.375rem 0.5rem;
  min-width: 0;
  height: 28px;
  font-size: 0.75rem;
  color: var(--color-text-primary);
  background: var(--color-background-secondary);
  transition: var(--transition-fast);
  flex: 1;
  line-height: 1.2;
}

.date-input:focus {
  border-color: var(--color-accent-hover);
  outline: none;
  box-shadow: 0 0 0 3px rgb(59 130 246 / 10%);
}

.date-separator {
  font-weight: 500;
  color: var(--color-text-secondary);
  flex-shrink: 0;
}

/* Sort Dropdown */
.sort-dropdown {
  position: relative;
}

.sort-button {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid var(--color-border-secondary);
  border-radius: var(--radius-md);
  padding: 0.375rem 0.5rem;
  width: 100%;
  height: 28px;
  font-size: 0.85rem;
  color: var(--color-text-primary);
  background: var(--color-background-secondary);
  transition: var(--transition-fast);
  gap: 0.25rem;
  cursor: pointer;
  line-height: 1.4;
}

.sort-button:hover {
  border-color: var(--color-accent-hover);
}

.sort-button:focus,
.sort-button.active {
  border-color: var(--color-accent-hover);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-accent), transparent 80%);
}

.sort-options {
  position: fixed;
  z-index: 1000;
  margin-top: 2px;
  border: 1px solid var(--color-border-secondary);
  border-radius: var(--radius-md);
  min-width: 160px;
  background: var(--color-background-tertiary);
  box-shadow: var(--shadow-lg);
}

.sort-option {
  display: block;
  border: none;
  padding: 0.25rem 0.5rem;
  width: 100%;
  min-height: unset;
  font-size: 0.95rem;
  text-align: center;
  color: var(--color-text-primary);
  background: var(--color-background-tertiary);
  transition: var(--transition-fast);
  cursor: pointer;
  line-height: 1.4;
}

.sort-option:hover {
  background: var(--color-accent-hover);
}

/* Search Groups */
.search-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-width: 180px;
  flex: 1 1 auto;
  max-width: 260px;
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input {
  border: 1px solid var(--color-border-secondary);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.75rem 0.5rem 2.25rem;
  width: 100%;
  font-size: 0.8rem;
  color: var(--color-text-primary);
  background: var(--color-background-secondary);
  transition: var(--transition-fast);
}

.search-input:focus {
  border-color: var(--color-accent-hover);
  outline: none;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent-hover), transparent 40%);
}

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

.search-icon {
  position: absolute;
  left: 0.75rem;
  z-index: 1;
  color: var(--color-text-secondary);
}

.clear-button {
  position: absolute;
  right: 0.75rem;
  display: flex;
  align-items: center;
  border: none;
  padding: 0;
  color: var(--color-text-secondary);
  background: none;
  transition: var(--transition-fast);
  cursor: pointer;
}

.clear-button:hover {
  color: var(--color-text-primary);
}

/* Action Buttons */
.action-buttons {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.action-btn {
  display: flex;
  align-items: center;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.425rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  opacity: 0.5;
  transition: var(--transition-fast);
  gap: 0.5rem;
  cursor: not-allowed;
}

.action-btn.active {
  cursor: pointer;
  opacity: 1;
  transform: translateY(0);
}

.action-btn.active:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.copy-btn {
  color: white;
  background: var(--color-accent);
}

.copy-btn.active:hover {
  background: var(--color-accent-hover);
}

.edit-btn {
  color: white;
  background: var(--color-success);
}

.edit-btn.active:hover {
  background: var(--color-success);
}

.delete-btn {
  color: white;
  background: var(--color-danger);
}

.delete-btn.active:hover {
  background: var(--color-danger);
}

.select-btn {
  color: white;
  background: var(--color-warning);
}

.select-btn.active:hover {
  background: var(--color-warning);
}

/* Filter Slide Animation */
.filter-slide-enter-active,
.filter-slide-leave-active {
  overflow: hidden;
  max-height: 300px;
  transition: all var(--transition-medium);
}

.filter-slide-enter-from,
.filter-slide-leave-to {
  max-height: 0;
  opacity: 0;
  transform: translateY(-10px);
}

/* Gallery Content */
.gallery-content {
  display: flex;
  overflow: hidden;
  min-height: 0;
  flex: 1;
  flex-direction: column;
}

.empty-state {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 4rem 2rem;
  text-align: center;
  flex-direction: column;
}

.empty-icon {
  margin-bottom: 1rem;
  color: var(--color-accent);
}

.empty-state h3 {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.empty-state p {
  margin: 0;
  color: var(--color-text-secondary);
}

/* Gallery Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.5rem;
  padding: 1.5rem;
}

/* Image Container */

.image-placeholder {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  color: var(--color-text-secondary);
  background: var(--color-surface-elevated);
}

.loader-spinner {
  border: 2px solid var(--color-border-secondary);
  border-top: 2px solid var(--color-accent);
  border-radius: 50%;
  width: 24px;
  height: 24px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Image Info */

.image-name {
  overflow: hidden;
  margin-bottom: 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--color-text-primary);
}

.image-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.action-icons {
  display: flex;
  gap: 0.5rem;
}

.icon-button {
  display: flex;
  justify-content: center;
  align-items: center;
  border: none;
  border-radius: var(--radius-md);
  width: 25px;
  height: 25px;
  color: var(--color-text-secondary);
  background: var(--color-background-secondary);
  transition: var(--transition-fast);
  cursor: pointer;
}

.icon-button:hover {
  color: var(--color-text-primary);
  transform: translateY(-1px);
}

.copy-icon:hover {
  color: var(--color-warning);
  background: color-mix(in srgb, var(--color-warning), transparent 90%);
}

.edit-icon:hover {
  color: var(--color-success);
  background: color-mix(in srgb, var(--color-success), transparent 90%);
}

.delete-icon:hover {
  color: var(--color-error);
  background: color-mix(in srgb, var(--color-error), transparent 90%);
}

/* Custom Checkbox */
.custom-checkbox {
  position: relative;
  display: flex;
  align-items: center;
  cursor: pointer;
}

.custom-checkbox input[type="checkbox"] {
  position: absolute;
  width: 0;
  height: 0;
  opacity: 0;
  cursor: pointer;
}

.checkbox-mark {
  position: relative;
  display: inline-block;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  width: 16px;
  height: 16px;
  transition: var(--transition-fast);
}

.custom-checkbox input[type="checkbox"]:checked + .checkbox-mark {
  border-color: var(--color-accent-hover);
  background: var(--color-accent);
}

.custom-checkbox input[type="checkbox"]:checked + .checkbox-mark::after {
  position: absolute;
  top: -2px;
  left: 1px;
  font-size: 12px;
  font-weight: bold;
  color: white;
  content: '✓';
}

/* Image Preview Modal */
.image-preview-modal {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  outline: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgb(0 0 0 / 80%);
}

.modal-content {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  max-width: 90vw;
  max-height: 90vh;
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 10;
  display: flex;
  justify-content: center;
  align-items: center;
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  color: white;
  background: rgb(0 0 0 / 50%);
  transition: var(--transition-fast);
  cursor: pointer;
}

.modal-close:hover {
  background: rgb(0 0 0 / 70%);
}

.image-navigation {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-button {
  position: absolute;
  z-index: 10;
  display: flex;
  justify-content: center;
  align-items: center;
  border: none;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  color: white;
  background: rgb(0 0 0 / 50%);
  transition: var(--transition-fast);
  cursor: pointer;
}

.nav-button:hover:not(:disabled) {
  background: rgb(0 0 0 / 70%);
}

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

.nav-button.prev {
  left: 1rem;
}

.nav-button.next {
  right: 1rem;
}

.image-viewer {
   position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  width: 90vw;
  height: 80vh;
  background: #000000;
  user-select: none;
}

.preview-image {
  object-fit: contain;
  display: block;
  width: auto;
  max-width: none;
  height: auto;
  max-height: none;
  transform-origin: center center;
}

.image-details {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--color-border-secondary);
  padding: 1rem 1.5rem;
}

.image-details h3 {
  overflow: hidden;
  margin: 0;
  margin-right: 1rem;
  font-size: 1rem;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--color-text-primary);
  flex: 1;
}

.image-counter {
  font-size: 0.875rem;
  margin-right: 1rem;
  margin-top: 0.25rem;
  font-weight: 600;
  white-space: nowrap;
  color: var(--color-text-primary);
}

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
  background: rgb(0 0 0 / 50%);
}

.modal-container {
  overflow-y: auto;
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  background: var(--color-background-tertiary);
  box-shadow: var(--shadow-lg);
}

.modal-container.large {
  max-width: 700px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--color-border-secondary);
  padding: 1.5rem;
}

.modal-header h3 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.modal-close-btn {
  display: flex;
  justify-content: center;
  align-items: center;
  border: 1px solid var(--color-border-secondary);
  border-radius: var(--radius-md);
  width: 32px;
  height: 32px;
  color: var(--color-text-secondary);
  background: var(--color-background-tertiary);
  transition: var(--transition-fast);
  cursor: pointer;
}

.modal-close-btn:hover {
  color: var(--color-text-primary);
  background: var(--color-surface-elevated);
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  border-top: 1px solid var(--color-border-secondary);
  padding: 1.5rem;
  gap: 0.75rem;
}

/* Form Elements */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-label {
  display: flex;
  align-items: center;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-primary);
  gap: 0.5rem;
}

.form-input {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  width: 100%;
  font-size: 0.875rem;
  color: var(--color-text-primary);
  background: var(--color-background-secondary);
  transition: var(--transition-fast);
  box-sizing: border-box;
}

.form-input:focus {
  border-color: var(--color-accent);
  outline: none;
  box-shadow: 0 0 0 3px rgb(59 130 246 / 10%);
}

.info-button {
  display: flex;
  justify-content: center;
  align-items: center;
  border: none;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  color: white;
  background: var(--color-accent);
  transition: var(--transition-fast);
  cursor: pointer;
}

.info-button:hover {
  background: var(--color-accent-hover);
}

.placeholder-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0;
  padding: 0.5rem 0;
}

.placeholder-item {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin: 0;
  border-radius: 0;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  line-height: 1.4;
}

.placeholder-item code {
  margin-right: 0.875rem;
  border: 1px solid rgb(255 255 255 / 20%);
  border-radius: 8px;
  padding: 0.3rem 0.6rem;
  min-width: 80px;
  font-size: 1rem;
  font-family: 'SF Mono', Monaco, Menlo, 'Ubuntu Mono', monospace;
  font-weight: 600;
  text-align: center;
  color: var(--color-text-primary);
  background: var(--color-background-secondary);
  box-shadow: 0 1px 3px rgb(0 0 0 / 12%), 0 1px 2px rgb(0 0 0 / 24%);
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.placeholder-item span {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-primary);
  flex: 1;
}

/* Buttons */
.btn-primary {
  display: flex;
  align-items: center;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-family: inherit;
  font-weight: 500;
  color: white;
  background: var(--color-accent);
  transition: var(--transition-fast);
  gap: 0.5rem;
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-family: inherit;
  font-weight: 500;
  color: var(--color-text-primary);
  background: var(--color-background-secondary);
  transition: var(--transition-fast);
  gap: 0.5rem;
  cursor: pointer;
}

.btn-secondary:hover {
  background: var(--color-border-secondary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* Responsive Design */
@media (width <= 768px) {
  .gallery-container {
    padding: 0.75rem;
    gap: 1rem;
  }

  .header-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .header-actions {
    justify-content: flex-start;
    width: 100%;
  }

  .filter-row {
    flex-direction: column;
  }

  .action-buttons {
    width: 100%;
  }

  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
    padding: 1rem;
  }

  .modal-container {
    margin: 1rem;
    width: calc(100% - 2rem);
  }

  .image-viewer {
    width: 90vw;
    height: 50vh;
  }

  .nav-button.prev {
    left: 0.5rem;
  }

  .nav-button.next {
    right: 0.5rem;
  }
}

/* Lazy Loading */
.load-more-trigger {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem;
  min-height: 100px;
}

.loading-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  color: var(--color-text-secondary);
}

.loading-indicator span {
  font-size: 0.875rem;
}

/* Improve responsive layout for smaller screens */
@media (width <= 1024px) {
  .filter-group,
  .search-group {
    min-width: 160px;
    max-width: 220px;
  }
}

@media (width <= 768px) {
  .filter-group,
  .search-group {
    min-width: 140px;
    max-width: 100%;
    flex: 1 1 100%;
  }

  .filter-row {
    gap: 0.5rem;
  }

  .filter-content {
    padding: 0.75rem;
  }

  .date-range-picker {
    flex-direction: column;
    gap: 0.5rem;
  }

  .date-input {
    width: 100%;
  }

  .date-separator {
    display: none;
  }
}

@media (width <= 480px) {
  .filter-content {
    padding: 0.5rem;
  }

  .filter-row {
    gap: 0.5rem;
  }

  .filter-group,
  .search-group {
    min-width: 100px;
  }

  .filter-label {
    font-size: 0.75rem;
  }
}

/* Virtual Scroller Styles */
.virtual-gallery-scroller {
  width: 100%;
  flex: 1;
  padding: 1rem;
  min-height: 0;
}

.virtual-gallery-scroller .virtual-scroller {
  width: 100%;
  height: 100%;
}

.virtual-gallery-scroller .virtual-scroller-item {
  overflow: visible;
  box-sizing: border-box;
}

/* Ensure gallery items work well with virtual scroller */
.virtual-gallery-scroller .gallery-item {
  display: flex;
  overflow: hidden;
  border: 1px solid var(--color-border-secondary);
  border-radius: var(--radius-lg);
  margin: 0;
  background: var(--color-background-secondary);
  cursor: pointer;
  width: 100%;
  height: calc(100% - 8px);
  box-sizing: border-box;
  flex-direction: column;
  transition: var(--transition-medium);
}

.virtual-gallery-scroller .gallery-item:hover {
  border-color: var(--color-border);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.virtual-gallery-scroller .gallery-item.selected {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-accent), transparent 40%);
}

.virtual-gallery-scroller .image-container {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  min-height: 0;
  background: var(--color-background-secondary);
  flex: 1;
  aspect-ratio: auto;
}

.virtual-gallery-scroller .image-container.selected {
  outline: 2px solid var(--color-accent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-accent), transparent 60%);
}

.virtual-gallery-scroller .image-info {
  display: flex;
  justify-content: space-between;
  padding: 0.75rem;
  min-height: 80px;
  flex-shrink: 0;
  flex-direction: column;
}

.virtual-gallery-scroller .gallery-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: var(--transition-medium);
}

.virtual-gallery-scroller .gallery-image.loading {
  opacity: 0;
}

.virtual-gallery-scroller .image-loader {
  position: absolute;
  inset: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  background: var(--color-surface-elevated);
}

/* Enhanced Image Preview Styles */
.zoom-controls {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 10;
  display: flex;
  align-items: center;
  border-radius: var(--radius-lg);
  padding: 0.5rem;
  background: rgb(0 0 0 / 70%);
  gap: 0.5rem;
}

.zoom-btn {
  display: flex;
  justify-content: center;
  align-items: center;
  border: none;
  border-radius: var(--radius-md);
  width: 32px;
  height: 32px;
  font-size: 0.875rem;
  font-weight: 600;
  color: white;
  background: rgb(255 255 255 / 10%);
  transition: var(--transition-fast);
  cursor: pointer;
}

.zoom-btn:hover:not(:disabled) {
  background: rgb(255 255 255 / 20%);
}

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

.zoom-btn.reset-btn {
  padding: 0 0.75rem;
  width: auto;
  font-size: 0.75rem;
}

.zoom-level {
  min-width: 50px;
  font-size: 0.875rem;
  font-weight: 500;
  text-align: center;
  color: white;
}

.image-help-text {
  margin-top: 0.25rem;
  font-size: 0.75rem;
  font-weight: 500;
  text-align: center;
  color: var(--color-text-primary);
}

.image-viewer:active {
  cursor: grabbing !important;
}

/* Responsive adjustments for mobile */
@media (width <= 768px) {
  .zoom-controls {
    top: 0.5rem;
    left: 0.5rem;
    gap: 0.25rem;
    padding: 0.25rem;
  }

  .zoom-btn {
    width: 28px;
    height: 28px;
    font-size: 0.75rem;
  }

  .zoom-level {
    min-width: 40px;
    font-size: 0.75rem;
  }

  .modal-close {
    top: 0.5rem;
    right: 0.5rem;
    width: 36px;
    height: 36px;
  }

  .nav-button {
    width: 40px;
    height: 40px;
  }

  .nav-button.prev {
    left: 0.5rem;
  }

  .nav-button.next {
    right: 0.5rem;
  }
}


/* Placeholder Help Styles */
.placeholder-help {
  overflow-y: auto;
  margin-top: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 0;
  max-height: 400px;
  background: var(--color-background-tertiary);
  box-shadow: 0 2px 8px rgb(0 0 0 / 6%);
}

.placeholder-category {
  border-bottom: 1px solid var(--color-border);
}

.placeholder-category:last-child {
  border-bottom: none;
}

.category-title {
  margin: 0;
  border-bottom: 1px solid var(--color-border);
  padding: 0.875rem 1rem 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  background: linear-gradient(135deg, var(--color-background-secondary) 0%, var(--color-background-tertiary) 100%);
  letter-spacing: 0.02em;
}

.placeholder-item:hover {
  background: rgb(var(--color-accent-rgb), 0.08);
}

.matched-urls-tooltip {
  position: absolute;
  z-index: 1000;
  margin-top: 0.5rem;
  border: 1px solid var(--color-border-secondary);
  border-radius: var(--radius-md);
  padding: 0;
  max-width: 100%;
  max-height: 300px;
  background: var(--color-background-tertiary);
  box-shadow: 0 4px 12px rgb(0 0 0 / 15%);
  overflow: hidden;
}

.matched-urls-tooltip .tooltip-header {
  border-bottom: 1px solid var(--color-border-secondary);
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
  background: var(--color-background-secondary);
}

.matched-urls-tooltip .tooltip-content {
  padding: 0.5rem;
  max-height: 240px;
  overflow-y: auto;
}

.matched-urls-tooltip .url-item {
  padding: 0.5rem 0.75rem;
  font-family: var(--font-mono, 'Courier New', monospace);
  font-size: 0.813rem;
  color: var(--color-text-secondary);
  word-break: break-all;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.matched-urls-tooltip .url-item:hover {
  background: var(--color-surface-elevated);
}

.matched-urls-tooltip .tooltip-content::-webkit-scrollbar {
  width: 6px;
}

.matched-urls-tooltip .tooltip-content::-webkit-scrollbar-track {
  border-radius: var(--radius-sm);
  background: var(--color-surface-elevated);
}

.matched-urls-tooltip .tooltip-content::-webkit-scrollbar-thumb {
  border-radius: var(--radius-sm);
  background: var(--color-border);
}

.matched-urls-tooltip .tooltip-content::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-secondary);
}