/* Generic Page Container - Reusable for different pages */
.page-container {
  min-height: 100vh;
  background: var(--gradient-gallery-bg);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--color-gallery-border);
  box-shadow: var(--glass-shadow);
  color: var(--color-gallery-text);
  margin: var(--space-4);
  padding: var(--space-4);
  position: relative;
  overflow: hidden;
}

/* Mobile responsive page container */
@media (max-width: 768px) {
  .page-container {
    margin: var(--space-2);
    padding: var(--space-3);
    border-radius: var(--radius-xl);
  }
}

@media (max-width: 480px) {
  .page-container {
    margin: var(--space-1);
    padding: var(--space-2);
    border-radius: var(--radius-lg);
  }
}

.page-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-gallery-accent);
  border-radius: var(--radius-2xl);
  pointer-events: none;
}

/* Generic page header - reusable across different pages */
.page-header {
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  border: 1px solid var(--glass-border);
  margin-bottom: var(--space-4);
  position: relative;
  z-index: 1;
}

.page-header__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0;
}

.page-header__subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin: var(--space-1) 0 0 0;
}

.library-header {
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  border: 1px solid var(--glass-border);
  margin-bottom: var(--space-4);
  position: relative;
  z-index: 1;
}

/* Generic header content - reusable */
.page-header__content {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* Mobile responsive header */
@media (max-width: 768px) {
  .page-header__content {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3);
  }
  
  .page-header__title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-1);
  }
  
  .page-header__subtitle {
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-2);
  }
}

.library-header__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.library-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0;
}

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

.view-controls {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}

.view-controls__button {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.view-controls__button:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
}

.view-controls__button--active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.view-controls__icon {
  font-size: var(--font-size-sm);
}

/* Search and Filters - Enhanced Styling */
.search-filters {
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  box-shadow: var(--glass-shadow);
  position: relative;
  z-index: 1;
}

.search-bar {
  position: relative;
  margin-bottom: var(--space-4);
}

.search-input {
  width: 100%;
  padding: var(--space-4) var(--space-5) var(--space-4) var(--space-12);
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-normal);
  box-shadow: var(--glass-shadow);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.1), var(--glass-shadow);
  transform: translateY(-1px);
}

.search-icon {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  z-index: 2;
}

.tags-filter {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.tags-filter__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.tags-label {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.tag-filter-mode {
  display: flex;
  gap: var(--space-1);
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2);
  box-shadow: var(--glass-shadow);
}

.tag-filter-mode__button {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: transparent;
  border: none;
  border-radius: var(--radius-lg);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.tag-filter-mode__button::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(147, 51, 234, 0.1));
  opacity: 0;
  transition: opacity var(--transition-normal);
  border-radius: var(--radius-lg);
}

.tag-filter-mode__button:hover {
  background: rgba(59, 130, 246, 0.1);
  color: var(--color-text-primary);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

.tag-filter-mode__button--active {
  background: linear-gradient(135deg, var(--color-primary), #8b5cf6);
  color: white;
  box-shadow: 0 4px 12px rgba(22, 163, 74, 0.3);
  transform: translateY(-1px);
}

.tag-filter-mode__button i {
  font-size: var(--font-size-xs);
}

.tags-list {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  color: var(--color-text-primary);
  border-radius: var(--radius-xl);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  position: relative;
  overflow: hidden;
}

.tag::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(147, 51, 234, 0.1));
  opacity: 0;
  transition: opacity var(--transition-normal);
  border-radius: var(--radius-xl);
}

.tag:hover {
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.2);
}

.tag--active {
  background: linear-gradient(135deg, var(--color-primary), #8b5cf6);
  color: white;
  border-color: var(--color-primary);
  box-shadow: 0 8px 25px rgba(22, 163, 74, 0.3);
  transform: translateY(-2px);
}

.tag--small {
  font-size: var(--font-size-xs);
  padding: var(--space-1);
}

/* Breadcrumb Navigation - Gallery Style */
.library-breadcrumb {
  margin-bottom: var(--space-6);
  padding: var(--space-6);
  background: var(--gradient-gallery-accent);
  backdrop-filter: blur(8px);
  border: 1px solid var(--color-gallery-border);
  border-radius: var(--radius-xl);
  position: relative;
  z-index: 1;
}

.library-breadcrumb__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.library-breadcrumb__left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.library-breadcrumb__item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  color: rgb(59, 130, 246);
  transition: all 0.2s ease;
  text-decoration: none;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-lg);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.library-breadcrumb__item:hover {
  background: rgba(59, 130, 246, 0.2);
  border-color: rgba(59, 130, 246, 0.4);
  color: rgb(59, 130, 246);
  transform: translateY(-1px);
}

.library-breadcrumb__separator {
  color: rgba(255, 255, 255, 0.5);
  font-weight: 600;
  font-size: 1rem;
}

.library-breadcrumb__action {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: rgba(34, 197, 94, 0.2);
  color: rgb(34, 197, 94);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: var(--radius-lg);
  transition: all 0.2s ease;
  text-decoration: none;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
}

.library-breadcrumb__action:hover {
  background-color: rgba(34, 197, 94, 0.3);
  border-color: rgba(34, 197, 94, 0.5);
  color: rgb(34, 197, 94);
  transform: translateY(-1px);
}

/* Generic Breadcrumb Navigation - Reusable across different pages */
.page-breadcrumb {
  margin-bottom: var(--space-6);
  padding: var(--space-6);
  background: var(--gradient-gallery-accent);
  backdrop-filter: blur(8px);
  border: 1px solid var(--color-gallery-border);
  border-radius: var(--radius-xl);
  position: relative;
  z-index: 1;
}

.page-breadcrumb__content {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-breadcrumb__left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  min-width: 0;
  flex: 1;
}

/* Mobile responsive breadcrumb */
@media (max-width: 768px) {
  .page-breadcrumb {
    padding: var(--space-4);
    margin-bottom: var(--space-4);
  }
  
  .page-breadcrumb__content {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-2);
  }
  
  .page-breadcrumb__left {
    gap: 0.25rem;
  }
  
  .page-breadcrumb__item {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
  }
  
  .page-breadcrumb__action {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
  }
}

@media (max-width: 480px) {
  .page-breadcrumb {
    padding: var(--space-3);
  }
  
  .page-breadcrumb__item {
    padding: 0.125rem 0.25rem;
    font-size: 0.625rem;
  }
  
  .page-breadcrumb__action {
    padding: 0.125rem 0.25rem;
    font-size: 0.625rem;
  }
  
  .page-breadcrumb__name {
    display: none;
  }
}

.page-breadcrumb__item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  color: rgb(59, 130, 246);
  transition: all 0.2s ease;
  text-decoration: none;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-lg);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.page-breadcrumb__item:hover {
  background: rgba(59, 130, 246, 0.2);
  border-color: rgba(59, 130, 246, 0.4);
  color: rgb(59, 130, 246);
  transform: translateY(-1px);
}

.page-breadcrumb__separator {
  color: rgba(255, 255, 255, 0.5);
  font-weight: 600;
  font-size: 1rem;
}

.page-breadcrumb__action {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: rgba(34, 197, 94, 0.2);
  color: rgb(34, 197, 94);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: var(--radius-lg);
  transition: all 0.2s ease;
  text-decoration: none;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
}

.page-breadcrumb__action:hover {
  background-color: rgba(34, 197, 94, 0.3);
  border-color: rgba(34, 197, 94, 0.5);
  color: rgb(34, 197, 94);
  transform: translateY(-1px);
}

.page-breadcrumb__icon {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.page-breadcrumb__name {
  font-weight: 500;
}

.library-folder-icon {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.library-folder-name {
  font-size: var(--font-size-sm);
}

/* Files Grid - Reusing Gallery Grid */
.files-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-5);
  padding: var(--space-6);
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

@media (min-width: var(--breakpoint-mobile)) {
  .files-grid {
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-6);
  }
}

@media (min-width: 1200px) {
  .files-grid {
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-7);
  }
}

/* Legacy grid classes - use content-grid instead */
.grid-small,
.grid-medium,
.grid-large {
  display: grid;
  gap: var(--space-4);
  width: 100%;
}

.grid-small {
  grid-template-columns: repeat(2, 1fr);
}

.grid-medium,
.grid-large {
  grid-template-columns: repeat(1, 1fr);
}

@media (min-width: 768px) {
  .grid-small {
    grid-template-columns: repeat(4, 1fr);
  }
  .grid-medium {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid-large {
    grid-template-columns: repeat(2, 1fr);
  }
}

.file-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background-color: var(--color-bg-primary);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-primary);
  transition: all var(--transition-normal);
  cursor: pointer;
  aspect-ratio: 1;
}

.file-card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: var(--shadow-2xl);
  border-color: var(--color-primary);
}

.file-card__content {
  margin-bottom: var(--space-3);
}

.file-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-2);
}

.file-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
  flex: 1;
}

.file-card__type {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

.file-card__excerpt {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.5;
  margin: 0 0 var(--space-2) 0;
}

.file-card__tags {
  display: flex;
  gap: var(--space-1);
  flex-wrap: wrap;
  margin-bottom: var(--space-2);
}

.file-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  margin-top: var(--space-3);
}

.file-meta {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  background: var(--color-bg-primary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  font-size: var(--font-size-xs);
}

.file-meta i {
  font-size: var(--font-size-xs);
}

/* Markdown Viewer Styles */
.markdown-viewer {
  max-width: 100%;
}

.markdown-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.markdown-title-section {
  flex: 1;
}

.markdown-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-2) 0;
}

.markdown-tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.markdown-actions {
  display: flex;
  gap: var(--space-2);
}

.markdown-tabs {
  display: flex;
  gap: var(--space-1);
  margin-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.tab-button {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  transition: all var(--transition-fast);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.tab-button:hover {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.tab-button.active {
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  border-bottom: 2px solid var(--color-primary);
}

.markdown-content-wrapper {
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  min-height: 400px;
}

.markdown-content {
  line-height: 1.7;
  color: var(--color-text-primary);
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3 {
  color: var(--color-text-primary);
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
}

.markdown-content h1 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
}

.markdown-content h2 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
}

.markdown-content h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.markdown-content p {
  margin-bottom: var(--space-4);
}

.markdown-content a {
  color: var(--color-primary);
  text-decoration: none;
}

.markdown-content a:hover {
  text-decoration: underline;
}

/* Code Blocks */
.code-block-container {
  margin: var(--space-4) 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
}

.code-language {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
}

.copy-button {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  font-size: var(--font-size-xs);
  transition: all var(--transition-fast);
}

.copy-button:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
}

.code-block {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  padding: var(--space-4);
  margin: 0;
  overflow-x: auto;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

.code-block.line-numbers {
  counter-reset: line;
}

.code-block.line-numbers code {
  counter-increment: line;
}

.code-block.line-numbers code::before {
  content: counter(line);
  display: inline-block;
  width: 2rem;
  text-align: right;
  margin-right: var(--space-2);
  color: var(--color-text-tertiary);
  user-select: none;
}

.inline-code {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: var(--font-size-sm);
}

.raw-content,
.frontmatter-content {
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: var(--font-size-sm);
  line-height: 1.5;
  overflow-x: auto;
}

.copy-feedback {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  background: var(--color-success);
  color: white;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  z-index: 1000;
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Markdown Editor Styles */
.markdown-editor {
  max-width: 100%;
}

.editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.editor-actions {
  display: flex;
  gap: var(--space-2);
}

.upload-section {
  margin-bottom: var(--space-6);
  padding: var(--space-4);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  border: 1px dashed var(--color-border);
}

.frontmatter-editor {
  margin-bottom: var(--space-6);
  padding: var(--space-4);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.frontmatter-editor h3 {
  margin: 0 0 var(--space-4) 0;
  color: var(--color-text-primary);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-label {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
  font-size: var(--font-size-sm);
}

.form-input,
.form-textarea,
.form-select {
  padding: var(--space-2) var(--space-3);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
}

.tags-input {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.tags-list {
  display: flex;
  gap: var(--space-1);
  flex-wrap: wrap;
}

.tag-remove {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: 0;
  margin-left: var(--space-1);
  font-size: var(--font-size-sm);
  line-height: 1;
}

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

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
}

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

/* Dynamic Frontmatter Styles */
.dynamic-frontmatter {
  margin-top: var(--space-6);
  padding: var(--space-4);
  background: var(--color-bg-primary);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.dynamic-frontmatter h4 {
  margin: 0 0 var(--space-2) 0;
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
}

.form-help {
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
  margin: 0 0 var(--space-3) 0;
  line-height: 1.4;
}

.add-field-section {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

/* Frontmatter Display Styles */
.frontmatter-display {
  background: var(--color-bg-primary);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.frontmatter-display h4 {
  margin: 0 0 var(--space-3) 0;
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
}

.frontmatter-fields {
  display: grid;
  gap: var(--space-2);
}

.frontmatter-field {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-2);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.frontmatter-field strong {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
  min-width: 120px;
  flex-shrink: 0;
}

.frontmatter-value {
  color: var(--color-text-secondary);
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: var(--font-size-sm);
  word-break: break-all;
  flex: 1;
}

.content-editor {
  margin-bottom: var(--space-6);
}

.content-editor h3 {
  margin: 0 0 var(--space-4) 0;
  color: var(--color-text-primary);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.markdown-textarea {
  width: 100%;
  min-height: 400px;
  padding: var(--space-4);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: var(--font-size-sm);
  line-height: 1.5;
  resize: vertical;
}

.markdown-preview {
  min-height: 400px;
  padding: var(--space-4);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  line-height: 1.7;
}

.modal-content--large {
  max-width: 90vw;
  max-height: 90vh;
  min-width: 80vw;
}

/* Viewer Page Styles */
.markdown-viewer-page {
  min-height: 100vh;
  background: var(--color-bg-primary);
}

.viewer-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
}

.viewer-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.viewer-breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
}

.viewer-breadcrumb a:hover {
  text-decoration: underline;
}

/* Responsive Design */
@media (max-width: calc(var(--breakpoint-mobile) - 1px)) {
  .library-header__content {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
  
  .view-controls {
    width: 100%;
    justify-content: flex-start;
  }
  
  .files-grid {
    grid-template-columns: 1fr;
  }
  
  .search-filters {
    padding: var(--space-3) 0;
  }
  
  .tags-filter {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }
  
  .tags-filter__header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }
  
  .markdown-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
  
  .markdown-tabs {
    flex-wrap: wrap;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .modal-content--large {
    max-width: 98vw;
    width: 98vw;
    margin: var(--space-2);
  }
}