/**
 * Excel Library Table Variant Stylesheet (Milestone 1 PoC)
 * Scoped to: body.app-skin-excel-workspace #libraryView
 * Renders the story catalog as an authentic, readable spreadsheet table
 * seamlessly harmonized with Light, Sepia, and Dark Color Palettes.
 */

/* ==========================================================================
   1. LIBRARY VIEW SWITCHER TOOLBAR
   ========================================================================== */
.library-view-toolbar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-bottom: 12px;
  gap: 12px;
}

.library-skin-switcher {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 3px 4px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.library-skin-label {
  font-size: 11.5px;
  color: var(--muted);
  font-weight: 500;
  padding: 0 6px 0 4px;
  user-select: none;
}

.library-skin-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.library-skin-btn:hover {
  color: var(--text);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.library-skin-btn.active {
  background: var(--panel-strong);
  color: var(--accent);
  font-weight: 600;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.library-skin-btn svg {
  width: 14px;
  height: 14px;
}

.poc-preview-badge {
  font-size: 9.5px;
  background: color-mix(in srgb, #107c41 20%, transparent);
  color: #107c41;
  border: 1px solid color-mix(in srgb, #107c41 40%, transparent);
  padding: 1px 5px;
  border-radius: 999px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

body.theme-dark .poc-preview-badge {
  background: color-mix(in srgb, #10b981 20%, transparent);
  color: #10b981;
  border-color: color-mix(in srgb, #10b981 40%, transparent);
}

/* ==========================================================================
   2. EXCEL TABLE CONTAINER & SHEET HEADER
   ========================================================================== */
body.app-skin-excel #libraryGrid,
body.app-skin-excel-workspace #libraryGrid {
  display: block; /* Replace CSS Grid with block for Table presentation */
  background: transparent;
  border: none;
  padding: 0;
}

/* Excel Library Spacing Normalization (Milestone 3.4) */
body.app-skin-excel .excel-workbook-shell,
body.app-skin-excel-workspace .excel-workbook-shell {
  margin-bottom: 0;
}

body.app-skin-excel .library-container,
body.app-skin-excel-workspace .library-container {
  padding-top: 16px;
}

body.app-skin-excel .global-recent-bar.v2-continue-reading,
body.app-skin-excel-workspace .global-recent-bar.v2-continue-reading {
  margin-bottom: 20px;
}

.excel-table-scroll-container {
  width: 100%;
  overflow-x: auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
  -webkit-overflow-scrolling: touch;
}

.excel-sheet-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  background: var(--panel-strong);
  border-bottom: 1px solid var(--border);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11.5px;
  font-weight: 600;
}

.excel-sheet-name {
  color: var(--accent);
  letter-spacing: 0.03em;
}

.excel-row-count {
  color: var(--muted);
  font-size: 11px;
}

/* ==========================================================================
   3. EXCEL STORY TABLE
   ========================================================================== */
.excel-story-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13px;
}

/* Table Header */
.excel-story-table thead th {
  position: sticky;
  top: 0;
  background: var(--panel-strong);
  color: var(--muted);
  font-weight: 600;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 10px 12px;
  border-bottom: 2px solid var(--border);
  border-right: 1px solid var(--border);
  white-space: nowrap;
  user-select: none;
  z-index: 5;
}

.excel-story-table thead th:last-child {
  border-right: none;
}

/* Table Cells */
.excel-story-table tbody td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  vertical-align: middle;
  transition: background-color 0.12s ease;
}

.excel-story-table tbody td:last-child {
  border-right: none;
}

/* Row Hover */
.excel-story-row {
  cursor: pointer;
}

.excel-story-row:hover {
  background-color: color-mix(in srgb, var(--accent) 6%, transparent);
}

.excel-story-row:nth-child(even) {
  background-color: color-mix(in srgb, var(--panel-strong) 30%, transparent);
}

.excel-story-row:nth-child(even):hover {
  background-color: color-mix(in srgb, var(--accent) 7%, transparent);
}

/* Column Dimensions & Alignments */
.col-index {
  width: 48px;
  text-align: right;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  color: var(--muted);
  user-select: none;
}

.col-status {
  width: 120px;
  white-space: nowrap;
}

.col-title {
  min-width: 220px;
}

.col-author {
  width: 160px;
  color: var(--muted);
}

.col-genres {
  width: 150px;
}

.col-chapters {
  width: 100px;
  text-align: right;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
}

.col-progress {
  width: 140px;
  white-space: nowrap;
}

.col-queue {
  width: 60px;
  text-align: center;
}

/* ==========================================================================
   4. CELL CONTENT FORMATTING
   ========================================================================== */
.excel-title-cell {
  display: flex;
  align-items: center;
  gap: 8px;
}

.excel-story-title {
  color: var(--text);
  font-weight: 600;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.excel-status-pill {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid transparent;
}

.excel-status-pill.status-completed {
  background: color-mix(in srgb, #107c41 15%, transparent);
  color: #107c41;
  border-color: color-mix(in srgb, #107c41 30%, transparent);
}

.excel-status-pill.status-ongoing {
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 30%, transparent);
}

.excel-status-pill.status-paused {
  background: color-mix(in srgb, #f59e0b 15%, transparent);
  color: #d97706;
  border-color: color-mix(in srgb, #f59e0b 30%, transparent);
}

body.theme-dark .excel-status-pill.status-completed {
  color: #10b981;
}

.excel-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.excel-badge.reading {
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 25%, transparent);
  font-weight: 600;
}

.excel-badge.completed {
  background: color-mix(in srgb, #107c41 12%, transparent);
  color: #107c41;
}

.excel-badge.unfit {
  background: color-mix(in srgb, #ef4444 12%, transparent);
  color: #ef4444;
}

.excel-badge.unread {
  color: var(--muted);
  background: var(--panel-strong);
}

.excel-genre-pill {
  display: inline-block;
  font-size: 10.5px;
  color: var(--muted);
  background: var(--panel-strong);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  margin-right: 4px;
  white-space: nowrap;
}

.excel-queue-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px;
  cursor: pointer;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  transition: all 0.15s ease;
}

.excel-queue-btn svg {
  width: 14px;
  height: 14px;
}

.excel-queue-btn:hover {
  background: var(--panel-strong);
  color: var(--accent);
  border-color: var(--accent);
}

.excel-queue-btn.in-queue {
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  color: var(--accent);
  border-color: var(--accent);
}

.excel-queue-pos {
  font-size: 10px;
  font-weight: 700;
}

.excel-tag-icon {
  font-size: 12px;
  line-height: 1;
}

/* Empty State */
.excel-empty-state {
  padding: 48px 20px;
  text-align: center;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.excel-empty-icon {
  font-size: 40px;
  margin-bottom: 8px;
  opacity: 0.7;
}

/* ==========================================================================
   5. RESPONSIVE ADAPTATIONS
   ========================================================================== */
@media (max-width: 992px) {
  .excel-story-table .col-genres {
    display: none;
  }
}

@media (max-width: 768px) {
  .excel-story-table .col-author {
    display: none;
  }
  
  .excel-sheet-header-bar {
    padding: 6px 12px;
    font-size: 11px;
  }
  
  .excel-story-table th,
  .excel-story-table td {
    padding: 8px 10px;
  }

  .library-view-toolbar {
    justify-content: stretch;
  }

  .library-skin-switcher {
    width: 100%;
    justify-content: space-between;
  }

  .library-skin-btn {
    flex: 1;
    justify-content: center;
  }
}