.library-portal {
  background: var(--kvc-background-light, #f8f9fa);
  min-height: 60vh;
}

.library-layout {
  margin: 0;
  overflow-x: hidden;
}

.library-main {
  min-width: 0;
}

.library-main > * {
  max-width: 100%;
}

.library-sidebar {
  background: var(--kvc-background-white, #fff);
  border-radius: var(--kvc-radius-md, 12px);
  box-shadow: var(--kvc-shadow-sm);
  padding: var(--kvc-space-lg, 1.5rem);
  position: sticky;
  top: 100px;
}

.library-sidebar__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--kvc-primary-color, #2B54A2);
  margin-bottom: 0.25rem;
}

.library-sidebar__user {
  font-weight: 600;
  margin-bottom: 0;
}

.library-sidebar__meta {
  font-size: 0.85rem;
  color: var(--kvc-text-secondary, #6c757d);
}

.library-sidebar__nav {
  margin: 1.25rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.library-sidebar__link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--kvc-radius-sm, 8px);
  color: var(--kvc-text-primary, #212529);
  text-decoration: none;
}

.library-sidebar__link:hover,
.library-sidebar__link.is-active {
  background: var(--kvc-primary-light, #e9eef8);
  color: var(--kvc-primary-color, #2B54A2);
}

.library-sidebar__section-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--kvc-text-muted, #adb5bd);
  margin-bottom: 0.5rem;
}

.library-folder-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  font-size: 0.9rem;
}

.library-folder-list a {
  color: var(--kvc-text-secondary, #6c757d);
  text-decoration: none;
}

.library-folder-list a:hover {
  color: var(--kvc-primary-color, #2B54A2);
}

.library-main__header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.library-card {
  background: #fff;
  border-radius: var(--kvc-radius-md, 12px);
  box-shadow: var(--kvc-shadow-md);
  padding: 2rem;
}

.library-login__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--kvc-primary-color, #2B54A2);
}

.library-login__subtitle {
  color: var(--kvc-text-secondary, #6c757d);
}

.library-login__help {
  font-size: 0.875rem;
  color: var(--kvc-text-muted, #adb5bd);
}

.kvc-btn-primary {
  background: var(--kvc-primary-color, #2B54A2);
  border-color: var(--kvc-primary-color, #2B54A2);
  color: #fff;
  font-family: var(--kvc-button-font);
  font-weight: 600;
}

.kvc-btn-primary:hover {
  background: var(--kvc-primary-hover, #1d3f84);
  border-color: var(--kvc-primary-hover, #1d3f84);
  color: #fff;
}

.kvc-btn-primary:focus,
.kvc-btn-primary:active,
.kvc-btn-primary:visited {
  color: #fff;
}

.library-material-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  align-items: stretch;
}

.library-material-card {
  background: #fff;
  border-radius: var(--kvc-radius-md, 12px);
  box-shadow: var(--kvc-shadow-sm);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  height: 100%;
  min-height: 22rem;
  overflow: hidden;
}

.library-material-card__type {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  width: fit-content;
  background: var(--kvc-neutral-200, #e9ecef);
}

.library-material-card__type--pdf { background: #fde8e8; color: #c0392b; }
.library-material-card__type--doc { background: #e9eef8; color: #2B54A2; }
.library-material-card__type--ppt { background: #fff2e7; color: #d86d16; }

.library-material-card__title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
  min-height: 2.6em;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.library-material-card__title a {
  color: inherit;
  text-decoration: none;
}

.library-material-card__meta {
  font-size: 0.85rem;
  color: var(--kvc-text-secondary, #6c757d);
  margin: 0;
  min-height: 2.5em;
  line-height: 1.25;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.library-material-card__actions {
  margin-top: auto;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.library-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.library-chip {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: var(--kvc-primary-light, #e9eef8);
  color: var(--kvc-primary-color, #2B54A2);
  font-size: 0.875rem;
  text-decoration: none;
}

.library-chip:hover {
  background: var(--kvc-primary-color, #2B54A2);
  color: #fff;
}

.library-chip--sm {
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
}

.library-section__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.library-link-more {
  display: inline-block;
  margin-top: 1rem;
  color: var(--kvc-primary-color, #2B54A2);
}

.library-preview__frame {
  width: 100%;
  min-height: 70vh;
  border: 1px solid var(--kvc-border-color, #dee2e6);
  border-radius: var(--kvc-radius-md, 12px);
}

/* Modern in-page preview container (non-PDF types) */
.library-preview {
  width: 100%;
  border: 1px solid var(--kvc-border-color, #dee2e6);
  border-radius: var(--kvc-radius-md, 12px);
  background: #fff;
  overflow: hidden;
}

.library-preview__loading,
.library-preview__fallback {
  padding: 1rem;
  color: var(--kvc-text-secondary, #6c757d);
}

.library-preview__viewer {
  width: 100%;
  max-height: 75vh;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  background: var(--kvc-neutral-100, #f8f9fa);
}

.library-preview__viewer--image {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem;
}

.library-preview__image {
  max-width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}

.library-preview__text {
  margin: 0;
  padding: 1rem;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;
  font-size: 0.95rem;
  line-height: 1.5;
  background: #fff;
}

.library-preview__doc {
  padding: 1rem;
  background: #fff;
}

.library-preview__doc img {
  max-width: 100%;
  height: auto;
}

.library-preview__sheet {
  padding: 0.5rem;
  background: #fff;
}

.library-preview__sheet table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.library-preview__sheet td,
.library-preview__sheet th {
  border: 1px solid var(--kvc-border-color, #dee2e6);
  padding: 0.35rem 0.5rem;
  vertical-align: top;
}

.library-preview__sheet th {
  background: var(--kvc-primary-ultra-light, #f4f7fd);
  font-weight: 600;
}

.library-breadcrumb {
  margin-bottom: 1rem;
}

.library-breadcrumb .breadcrumb {
  flex-wrap: wrap;
  row-gap: 0.35rem;
}

.library-breadcrumb .breadcrumb-item {
  min-width: 0;
  overflow-wrap: anywhere;
}

.library-filters {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}

.library-filters__row {
  margin-left: 0;
  margin-right: 0;
}

.library-filters__field {
  min-width: 0;
  max-width: 100%;
}

.library-filters .form-control,
.library-filters select.library-filter-select {
  display: block !important;
  width: 100% !important;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

/* Prevent global nice-select from breaking library filter layout */
.library-filters .nice-select {
  display: none !important;
}

.library-filters select.library-filter-select {
  height: calc(2.25rem + 2px);
  padding: 0.375rem 0.75rem;
  line-height: 1.5;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  appearance: auto;
  -webkit-appearance: menulist;
}

.library-filters__actions .btn {
  width: 100%;
}

.library-search .input-group {
  display: flex;
  align-items: stretch;
}

.library-search .input-group .form-control {
  height: 45px;
  border-radius: 6px 0 0 6px;
}

.library-search .input-group .btn {
  margin-top: 0;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0 6px 6px 0;
  padding: 0 16px;
}

.library-empty-state {
  color: var(--kvc-text-secondary, #6c757d);
  padding: 1rem 0;
}

.library-material-card__thumb {
  border-radius: var(--kvc-radius-sm, 8px);
  overflow: hidden;
  height: 140px;
  flex: 0 0 140px;
  background: var(--kvc-neutral-100, #f1f3f5);
}

.library-material-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.library-material-card__thumb-placeholder {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #eef2f8 0%, #e9ecef 100%);
}

.library-material-card__subtitle {
  font-size: 0.875rem;
  color: var(--kvc-text-secondary, #6c757d);
  margin: 0;
  min-height: 1.35em;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.library-material-card__placeholder {
  visibility: hidden;
}

.library-material-card__size {
  font-size: 0.75rem;
  color: var(--kvc-text-muted, #adb5bd);
  margin: 0;
}

.library-material-card:hover {
  box-shadow: var(--kvc-shadow-md);
  transform: translateY(-2px);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.library-material-card__type--xls { background: #e8f5e9; color: #198754; }
.library-material-card__type--image { background: #e8f8ef; color: #1e7e46; }
.library-material-card__type--zip { background: #f1f3f5; color: #495057; }

.library-browse-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.library-browse-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  background: #fff;
  border-radius: var(--kvc-radius-md, 12px);
  box-shadow: var(--kvc-shadow-sm);
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.2s ease, background 0.2s ease;
}

.library-browse-item:hover {
  box-shadow: var(--kvc-shadow-md);
  background: var(--kvc-primary-light, #e9eef8);
  color: var(--kvc-primary-color, #2B54A2);
}

.library-browse-item__count {
  font-size: 0.85rem;
  color: var(--kvc-text-secondary, #6c757d);
}

.library-gallery__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 0.75rem;
  margin-top: 1rem;
}

.library-gallery__item {
  border-radius: var(--kvc-radius-sm, 8px);
  overflow: hidden;
  display: block;
}

.library-gallery__item img {
  width: 100%;
  height: 100px;
  object-fit: cover;
}

.library-gallery__main img {
  max-width: 100%;
  border-radius: var(--kvc-radius-md, 12px);
}

.library-detail__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.library-detail__actions .btn,
.library-material-card__actions .btn {
  white-space: nowrap;
  margin-top: 0;
}

/* Override global .btn / .btn:hover from style.css inside library portal */
.library-portal .library-detail__actions .btn.kvc-btn-primary {
  background: var(--kvc-primary-color, #2B54A2) !important;
  border-color: var(--kvc-primary-color, #2B54A2) !important;
  color: #fff !important;
}

.library-portal .library-detail__actions .btn.kvc-btn-primary:hover,
.library-portal .library-detail__actions .btn.kvc-btn-primary:focus {
  background: var(--kvc-primary-hover, #1d3f84) !important;
  border-color: var(--kvc-primary-hover, #1d3f84) !important;
  color: #fff !important;
}

.library-portal .library-detail__actions .btn.btn-outline-primary {
  background: transparent !important;
  border: 1px solid var(--kvc-primary-color, #2B54A2) !important;
  color: var(--kvc-primary-color, #2B54A2) !important;
}

.library-portal .library-detail__actions .btn.btn-outline-primary:hover,
.library-portal .library-detail__actions .btn.btn-outline-primary:focus {
  background: var(--kvc-primary-color, #2B54A2) !important;
  border-color: var(--kvc-primary-color, #2B54A2) !important;
  color: #fff !important;
}

.library-portal .library-btn-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  margin-top: 0;
  border: 1px solid var(--kvc-border-color, #ced4da);
  border-radius: var(--kvc-radius-sm, 8px);
  background: var(--kvc-background-white, #fff) !important;
  color: var(--kvc-primary-color, #2B54A2) !important;
  font-family: var(--kvc-button-font);
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1.5;
  text-decoration: none !important;
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.library-portal .library-btn-back:hover,
.library-portal .library-btn-back:focus,
.library-portal .library-btn-back:active {
  background: var(--kvc-primary-light, #e9eef8) !important;
  border-color: var(--kvc-primary-color, #2B54A2) !important;
  color: var(--kvc-primary-hover, #1d3f84) !important;
  text-decoration: none !important;
}

@media (max-width: 991px) {
  .library-sidebar {
    position: static;
    margin-bottom: 1.5rem;
  }

  .library-material-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  }
}

@media (max-width: 575px) {
  .library-material-grid {
    grid-template-columns: 1fr;
  }

  .library-material-card {
    min-height: 20rem;
  }

  .library-material-card__actions .btn {
    flex: 1 1 calc(50% - 0.25rem);
    min-width: 0;
    text-align: center;
  }
}