/* Media Page Layout */
.container {
  padding: var(--spacing-2xl);
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}

.header {
  margin-bottom: var(--spacing-xl);
}

.headerRow {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--spacing-lg);
}

.backLink {
  color: var(--color-primary-accent);
  text-decoration: none;
  font-size: 0.9rem;
  display: inline-block;
  margin-bottom: var(--spacing-md);
  transition: opacity var(--transition-base);
}

.backLink:hover {
  opacity: 0.8;
}

.title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0 0 var(--spacing-xs) 0;
}

.subtitle {
  color: var(--color-text-secondary);
  font-size: 1rem;
  margin: 0;
}

/* Loading State */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl);
  gap: var(--spacing-md);
  color: var(--color-text-secondary);
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Error State */
.error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl);
  gap: var(--spacing-md);
  color: var(--color-error);
  text-align: center;
}

.retryButton {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-primary-accent);
  color: #0f172a;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 600;
  transition: all var(--transition-base);
  box-shadow: 0 8px 24px -10px rgba(14, 165, 233, 0.8);
}

.retryButton:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px -10px rgba(14, 165, 233, 0.9);
}

/* Upgrade Card */
.upgradeCard {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  text-align: center;
  max-width: 480px;
  margin: var(--spacing-2xl) auto;
}

.upgradeTitle {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 var(--spacing-md) 0;
}

.upgradeText {
  color: var(--color-text-secondary);
  margin: 0 0 var(--spacing-lg) 0;
  line-height: 1.6;
}

.upgradeButton {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-xl);
  background: var(--color-primary-accent);
  color: #0f172a;
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: all var(--transition-base);
  box-shadow: 0 10px 30px -12px rgba(14, 165, 233, 0.9);
}

.upgradeButton:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px -15px rgba(14, 165, 233, 0.95);
}

/* Tabs */
.tabNav {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--spacing-lg);
}

.tabButton {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  background: none;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all var(--transition-base);
  text-align: center;
}

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

.tabButton.active {
  color: var(--color-primary-accent);
  border-bottom-color: var(--color-primary-accent);
}

/* Usage Bar */
.usageBar {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
}

.usageLabel {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.usageProgress {
  flex: 1;
  height: 6px;
  background: var(--color-border);
  border-radius: 3px;
  overflow: hidden;
}

.usageProgressFill {
  height: 100%;
  background: var(--color-primary-accent);
  border-radius: 3px;
  transition: width 0.3s ease;
}

.usageProgressFill.warning {
  background: var(--color-warning);
}

.usageProgressFill.full {
  background: var(--color-error);
}

.usageCount {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-primary);
  white-space: nowrap;
}

/* Upload Zone */
.uploadZone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  text-align: center;
  background: var(--color-surface);
  transition: all var(--transition-base);
  margin-bottom: var(--spacing-lg);
}

.uploadZone:hover,
.uploadZone.dragOver {
  border-color: var(--color-primary-accent);
  background: rgba(56, 189, 248, 0.05);
}

.uploadIcon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--spacing-sm);
  color: var(--color-text-secondary);
}

.uploadText {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin: 0 0 var(--spacing-xs);
}

.uploadSubtext {
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  margin: 0;
}

.uploadButton {
  margin-top: var(--spacing-md);
  padding: var(--spacing-xs) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md);
  background: var(--color-primary-accent);
  color: #0f172a;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: 0 8px 24px -10px rgba(14, 165, 233, 0.8);
}

.uploadButton:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px -10px rgba(14, 165, 233, 0.9);
}

.uploadButton:disabled {
  background: var(--color-border);
  cursor: not-allowed;
}

/* Category Filter */
.categoryFilter {
  display: flex;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.categoryButton {
  padding: var(--spacing-xs) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  background: var(--color-surface);
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-base);
}

.categoryButton:hover {
  border-color: var(--color-primary-accent);
  color: var(--color-primary-accent);
}

.categoryButton.active {
  background: var(--color-primary-accent);
  border-color: var(--color-primary-accent);
  color: #0f172a;
}

/* Image Grid */
.imageGrid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-md);
}

.imageCard {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.imageCard:hover {
  border-color: var(--color-primary-accent);
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.2);
}

.imageCardImg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* PDF Thumbnail */
.pdfThumbnail {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  gap: var(--spacing-xs);
  padding: var(--spacing-md);
  transition: background var(--transition-base);
}

.imageCard:hover .pdfThumbnail {
  background: rgba(56, 189, 248, 0.04);
}

.pdfIcon {
  width: 28px;
  height: 28px;
  color: var(--color-primary-accent);
  opacity: 0.6;
  flex-shrink: 0;
  transition: opacity var(--transition-base);
}

.imageCard:hover .pdfIcon {
  opacity: 1;
}

.pdfFilename {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-primary);
  text-align: center;
  word-break: break-word;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  line-height: 1.3;
}

.pdfBadge {
  font-size: 0.625rem;
  font-weight: 600;
  color: var(--color-primary-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.7;
}

.imageCardOverlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.imageCard:hover .imageCardOverlay {
  opacity: 1;
}

.imageCardName {
  position: absolute;
  bottom: var(--spacing-xs);
  left: var(--spacing-xs);
  right: var(--spacing-xs);
  color: white;
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.imageCard:hover .imageCardName {
  opacity: 1;
}

.imageCardActions {
  position: absolute;
  top: var(--spacing-xs);
  right: var(--spacing-xs);
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.imageCard:hover .imageCardActions {
  opacity: 1;
}

.deleteButton {
  width: 28px;
  height: 28px;
  border-radius: 4px;
  border: none;
  background: rgba(220, 38, 38, 0.9);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-base);
}

/* PDF card: keep delete top-right, add document actions bottom-left */
.pdfActions {
  position: absolute;
  bottom: var(--spacing-xs);
  left: var(--spacing-xs);
  display: flex;
  gap: 4px;
}

.actionButton {
  width: 28px;
  height: 28px;
  border-radius: 4px;
  border: none;
  background: rgba(56, 189, 248, 0.15);
  color: var(--color-primary-accent);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-base);
}

.actionButton:hover {
  background: rgba(56, 189, 248, 0.3);
}

.deleteButton:hover {
  background: var(--color-error);
}

/* Empty State */
.emptyState {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--color-text-secondary);
}

.emptyIcon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
  color: var(--color-border);
}

.emptyTitle {
  font-size: 1.125rem;
  margin: 0 0 var(--spacing-xs);
  color: var(--color-text-primary);
}

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