/**
 * Excel Story Detail & Chapter Matrix Stylesheet (Milestone 2)
 * Scoped to: body.app-skin-excel-workspace #detailView
 * Harmonized with Light, Sepia, and Dark Color Palettes using CSS Design Tokens.
 */

/* ==========================================================================
   1. EXCEL WORKSPACE DETAIL CONTAINER
   ========================================================================== */
.detail-excel-container {
  max-width: var(--app-max-width);
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 0 12px 32px;
}

.excel-workbook-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
  overflow: hidden;
  box-sizing: border-box;
}

/* ==========================================================================
   2. EXCEL SHEET HEADER BAR
   ========================================================================== */
.excel-sheet-header {
  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;
  user-select: none;
}

.excel-sheet-title {
  color: var(--accent);
  letter-spacing: 0.03em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

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

/* ==========================================================================
   3. STORY HEADER & PRIMARY ACTIONS
   ========================================================================== */
.excel-story-header {
  padding: 16px 20px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}

.excel-story-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.excel-story-title {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 6px 0;
  color: var(--text);
  line-height: 1.35;
}

.excel-story-altnames {
  font-size: 12px;
  color: var(--muted);
  margin: 4px 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.excel-altname-chip {
  display: inline-block;
  background: var(--panel-strong);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 11px;
  color: var(--text);
  cursor: pointer;
  transition: all 0.15s ease;
}

.excel-altname-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.excel-action-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
}

.excel-btn-primary {
  background: var(--accent);
  color: #ffffff;
  border: 1px solid transparent;
  font-weight: 600;
  padding: 7px 16px;
  border-radius: 4px;
  font-size: 13px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: opacity 0.15s ease;
  user-select: none;
}

.excel-btn-primary:hover {
  opacity: 0.9;
}

.excel-btn-secondary {
  background: var(--panel-strong);
  color: var(--text);
  border: 1px solid var(--border);
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 12.5px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
  user-select: none;
}

.excel-btn-secondary:hover {
  background: color-mix(in srgb, var(--accent) 8%, var(--panel-strong));
  border-color: var(--accent);
}

.excel-btn-secondary.active {
  background: color-mix(in srgb, var(--accent) 15%, var(--panel-strong));
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}

.excel-btn-secondary svg,
.excel-btn-primary svg {
  width: 14px;
  height: 14px;
}

/* ==========================================================================
   4. STORY PROPERTIES SHEET TABLE
   ========================================================================== */
.excel-prop-table-wrap {
  width: 100%;
  overflow-x: auto;
  box-sizing: border-box;
}

.excel-prop-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  text-align: left;
}

.excel-prop-table th {
  width: 180px;
  min-width: 140px;
  background: color-mix(in srgb, var(--accent) 4%, var(--panel-strong));
  color: var(--muted);
  font-weight: 600;
  padding: 9px 16px;
  border: 1px solid var(--border);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  vertical-align: middle;
}

.excel-prop-table td {
  padding: 9px 16px;
  border: 1px solid var(--border);
  color: var(--text);
  background: var(--panel);
  vertical-align: middle;
}

.excel-prop-table tr:hover td {
  background: color-mix(in srgb, var(--accent) 3%, var(--panel));
}

/* Interactive Star Rating in Property Cell */
.excel-rating {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.excel-rating .interactive-star {
  font-size: 18px;
  cursor: pointer;
  color: var(--muted);
  transition: transform 0.12s ease, color 0.12s ease;
  line-height: 1;
  user-select: none;
}

.excel-rating .interactive-star:hover {
  transform: scale(1.25);
  color: #eab308;
}

.excel-rating .interactive-star.filled {
  color: #eab308;
}

/* Progress in Property Cell */
.excel-progress-inline {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  max-width: 360px;
}

.excel-progress-bar-track {
  flex: 1;
  height: 6px;
  background: var(--border);
  border-radius: 999px;
  overflow: hidden;
}

.excel-progress-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
  transition: width 0.3s ease;
}

.excel-progress-label {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}

/* Tag Cloud in Property Cell */
.excel-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.excel-tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--panel-strong);
  color: var(--muted);
  font-size: 11.5px;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.excel-tag-pill:hover {
  color: var(--text);
  border-color: var(--accent);
}

.excel-tag-pill.active {
  background: color-mix(in srgb, var(--accent) 15%, var(--panel-strong));
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}

/* Marked Chapters Jump Pill in Properties */
.excel-mark-jump-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, var(--panel));
  color: var(--text);
  font-size: 11.5px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.excel-mark-jump-pill:hover {
  background: color-mix(in srgb, var(--accent) 18%, var(--panel));
}

/* ==========================================================================
   5. DESCRIPTION SECTION
   ========================================================================== */
.excel-description-block {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  background: var(--panel);
}

.excel-desc-heading {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  margin: 0 0 8px 0;
  letter-spacing: 0.03em;
}

.excel-description-text {
  line-height: 1.6;
  color: var(--text);
  font-size: 13.5px;
  margin: 0;
  white-space: pre-line;
}

.excel-description-text.clamp {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.excel-desc-toggle-btn {
  margin-top: 8px;
  font-size: 11.5px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  color: var(--accent);
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 2px 4px;
  font-weight: 600;
}

.excel-desc-toggle-btn:hover {
  text-decoration: underline;
}

/* ==========================================================================
   6. EXCEL CHAPTER MATRIX TABLE & TOOLBAR
   ========================================================================== */
.excel-chapter-panel {
  display: flex;
  flex-direction: column;
}

.excel-chapter-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.excel-chapter-search-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  position: relative;
  flex: 1;
  max-width: 320px;
}

.excel-chapter-search-input {
  width: 100%;
  padding: 6px 10px;
  font-size: 12.5px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--panel-strong);
  color: var(--text);
  outline: none;
  transition: border-color 0.15s ease;
  box-sizing: border-box;
}

.excel-chapter-search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 20%, transparent);
}

.excel-badge-mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--panel-strong);
  border: 1px solid var(--border);
  color: var(--muted);
  white-space: nowrap;
}

/* Pagination Tabs */
.excel-chapter-pagination {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  padding: 8px 16px;
  background: var(--panel-strong);
  border-bottom: 1px solid var(--border);
  -webkit-overflow-scrolling: touch;
}

.excel-page-tab {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  font-weight: 500;
  padding: 4px 10px;
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 4px;
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.12s ease;
  user-select: none;
}

.excel-page-tab:hover {
  color: var(--text);
  border-color: var(--accent);
}

.excel-page-tab.active {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
  font-weight: 700;
}

/* Chapter Scroll Container & Table */
.excel-chapter-scroll-container {
  width: 100%;
  max-width: 100%;
  max-height: 600px;
  overflow-y: auto;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  background: var(--panel);
  box-sizing: border-box;
}

.excel-chapter-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  text-align: left;
}

.excel-chapter-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--panel-strong);
  border: 1px solid var(--border);
  padding: 8px 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.excel-chapter-table tbody tr {
  border: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.12s ease;
}

.excel-chapter-table tbody tr:hover {
  background: color-mix(in srgb, var(--accent) 8%, var(--panel));
}

.excel-chapter-table tbody tr.reading-row {
  background: color-mix(in srgb, var(--accent) 15%, var(--panel));
  font-weight: 600;
}

.excel-chapter-table tbody tr:nth-child(even):not(.reading-row) {
  background: color-mix(in srgb, var(--text) 2%, var(--panel));
}

.excel-chapter-table td {
  padding: 7px 12px;
  border: 1px solid var(--border);
  vertical-align: middle;
  color: var(--text);
}

.excel-chapter-table .col-stt {
  width: 50px;
  text-align: center;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11.5px;
  color: var(--muted);
}

.excel-chapter-table .col-num {
  width: 80px;
  text-align: center;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
}

.excel-chapter-table .col-title {
  width: auto;
  font-weight: 500;
}

.excel-chapter-table .col-status {
  width: 120px;
  text-align: center;
  white-space: nowrap;
}

.excel-chapter-table .col-mark {
  width: 120px;
  white-space: nowrap;
}

/* Status Badges in Chapter Table */
.excel-ch-status-pill {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 999px;
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.excel-ch-status-pill.status-reading {
  background: color-mix(in srgb, var(--accent) 20%, transparent);
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
}

.excel-ch-status-pill.status-completed {
  background: color-mix(in srgb, #107c41 20%, transparent);
  color: #107c41;
  border: 1px solid color-mix(in srgb, #107c41 40%, transparent);
}

body.theme-dark .excel-ch-status-pill.status-completed {
  color: #10b981;
  border-color: color-mix(in srgb, #10b981 40%, transparent);
}

.excel-ch-status-pill.status-unread {
  background: color-mix(in srgb, var(--muted) 12%, transparent);
  color: var(--muted);
  border: 1px solid color-mix(in srgb, var(--muted) 25%, transparent);
}

/* ==========================================================================
   7. RESPONSIVE ADAPTATIONS (TABLET & MOBILE)
   ========================================================================== */
@media (max-width: 768px) {
  .detail-excel-container {
    padding: 0 8px 24px;
    gap: 12px;
  }

  .excel-sheet-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 8px 12px;
  }

  .excel-story-header {
    padding: 12px 14px;
  }

  .excel-story-title {
    font-size: 17px;
  }

  .excel-prop-table th {
    width: 120px;
    padding: 7px 10px;
    font-size: 10.5px;
  }

  .excel-prop-table td {
    padding: 7px 10px;
    font-size: 12px;
  }

  .excel-chapter-toolbar {
    padding: 8px 12px;
    flex-direction: column;
    align-items: stretch;
  }

  .excel-chapter-search-wrap {
    max-width: 100%;
  }

  .excel-chapter-table td {
    padding: 6px 8px;
    font-size: 12px;
  }

  .excel-chapter-table .col-mark {
    display: none; /* Hide non-critical notes column on mobile to preserve layout */
  }

  .excel-chapter-table thead th:nth-child(5) {
    display: none;
  }
}