/* Scholar Library Tab - Main List Styles */

/* Library tab: split layout (paper list left, paper details right) */
#tab-library {
  flex-direction: row !important;
  overflow: hidden;
}

.library-tab-inner {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  min-width: 0;
}

.library-details-panel {
  width: 360px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  border-left: 1px solid
    var(--border-color, var(--workspace-border-default, #30363d));
  background: var(--bg-primary, var(--workspace-bg-primary, #0d1117));
}

.library-resizer {
  width: 4px;
  cursor: col-resize;
  background: transparent;
  flex-shrink: 0;
  transition: background 0.15s;
}

.library-resizer:hover {
  background: var(--icon-primary, var(--workspace-icon-primary, #388bfd));
}

.library-integrations-panel {
  width: 280px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  border-left: 1px solid
    var(--border-color, var(--workspace-border-default, #30363d));
  background: var(--bg-primary, var(--workspace-bg-primary, #0d1117));
  padding: 8px;
}

/* Tab Badge */
.scholar-tab-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  font-size: 0.7rem;
  font-weight: 600;
  background-color: var(--icon-primary);
  color: white;
  border-radius: 9px;
  margin-left: 4px;
}

/* Stats Bar */
.library-stats-bar {
  display: flex;
  flex-direction: row;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  overflow-x: auto;
}

.library-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  padding: 6px 12px;
  cursor: pointer;
  transition: all 0.2s;
  min-width: 80px;
  border-radius: 0;
}

.library-stat:hover {
  background-color: var(--bg-quaternary);
}

.library-stat.active {
  background-color: var(--icon-primary);
  color: white;
  border-color: var(--icon-primary);
}

.library-stat-count {
  font-weight: bold;
  font-size: 1.1rem;
}

.library-stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.library-stat.active .library-stat-label {
  color: white;
}

/* Actions Bar */
.library-action-bar {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  padding: 8px 16px;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-primary);
}

.library-actions-left,
.library-actions-right {
  display: flex;
  gap: 8px;
}

.library-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background-color: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 6px 12px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
  border-radius: 0;
}

.library-action-btn:hover {
  background-color: var(--bg-tertiary);
}

.library-action-btn:active {
  background-color: var(--bg-quaternary);
}

.library-action-btn i {
  font-size: 0.9rem;
}

/* Unified toolbar */
.library-toolbar {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-primary);
}

/* Collection Filter (inside toolbar) */
.library-collection-filter {
  display: flex;
  flex-direction: row;
  gap: 4px;
  flex-shrink: 0;
  overflow-x: auto;
}

.library-collection-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 4px 10px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s;
  border-radius: 12px;
  white-space: nowrap;
}

.library-collection-pill:hover {
  background-color: var(--bg-quaternary);
}

.library-collection-pill.active {
  background-color: var(--icon-primary);
  color: white;
  border-color: var(--icon-primary);
}

/* Search Bar (now inside toolbar) */

.library-search-input-wrapper {
  flex: 1;
  position: relative;
}

.library-search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.85rem;
}

.library-search-input-wrapper .library-search-input {
  padding-left: 32px;
}

.library-search-clear {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
}

.library-filter-controls {
  flex-shrink: 0;
}

.library-filter-select {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 8px 12px;
  font-size: 0.85rem;
  border-radius: 6px;
}

.library-search-input {
  width: 100%;
  background: var(--workspace-bg-primary, #0d0d0d);
  border: 1px solid var(--workspace-border-default, #3a3a3a);
  color: var(--text-primary);
  padding: 10px 12px;
  font-size: 14px;
  border-radius: 6px;
  transition:
    border-color 0.15s,
    box-shadow 0.15s;
}

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

.library-search-input:focus {
  outline: none;
  border-color: var(--workspace-icon-primary, #059669);
  box-shadow: 0 0 0 2px rgba(5, 150, 105, 0.15);
}

/* Papers Container */
.library-papers-container {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
}

/* Papers List */
.library-papers-list {
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  flex: 1;
  background-color: var(--bg-primary);
}

/* Loading */
.library-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  color: var(--text-muted);
}

.library-loading-text {
  margin-top: 0.5rem;
  font-size: 0.9rem;
}

/* Paper Cards */
.library-paper-card {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  transition: background-color 0.15s;
  border-left: 3px solid transparent;
}

.library-paper-card:hover {
  background-color: var(--bg-tertiary);
}

.library-paper-card.selected {
  background-color: var(--bg-tertiary);
  border-left-color: var(--icon-primary);
}

.library-paper-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
  line-height: 1.3;
}

.library-paper-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 6px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.library-paper-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
}

/* Status Badges */
.library-status-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 6px;
  font-size: 0.7rem;
  font-weight: 500;
  border-radius: 0;
  border: 1px solid;
}

.library-status-badge.to_read {
  background-color: rgba(66, 153, 225, 0.1);
  color: #4299e1;
  border-color: #4299e1;
}
.library-status-badge.reading {
  background-color: rgba(237, 137, 54, 0.1);
  color: #ed8936;
  border-color: #ed8936;
}
.library-status-badge.read {
  background-color: rgba(72, 187, 120, 0.1);
  color: #48bb78;
  border-color: #48bb78;
}
.library-status-badge.referenced {
  background-color: rgba(159, 122, 234, 0.1);
  color: #9f7aea;
  border-color: #9f7aea;
}
.library-status-badge.favorite {
  background-color: rgba(245, 101, 101, 0.1);
  color: #f56565;
  border-color: #f56565;
}

/* Importance Stars */
.library-importance-stars {
  display: inline-flex;
  gap: 2px;
  font-size: 0.8rem;
}

.library-importance-stars .star-filled {
  color: var(--icon-primary);
}
.library-importance-stars .star-empty {
  color: var(--text-muted);
}

/* Tags */
.library-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 6px;
  font-size: 0.7rem;
  background-color: var(--bg-quaternary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: 3px;
}

/* Empty State */
.library-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: 3rem;
  color: var(--text-muted);
  text-align: center;
}

.library-empty-state i {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.library-empty-state-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.library-empty-state-description {
  font-size: 0.9rem;
}