/* Outline Tabs */
.outline-tabs {
  display: flex;
  gap: 4px;
}

.outline-tab {
  appearance: none;
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--bd-font-family);
  transition: all 0.2s ease;
}

.outline-tab:hover {
  background: color-mix(in hsl, var(--primary) 10%, var(--surface));
  color: var(--text);
}

.outline-tab.active {
  background: var(--surface);
  color: var(--primary);
}

/* Pages List */
.pages-list {
  padding: 12px;
}

.add-page-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 10px;
  background: color-mix(in hsl, var(--primary) 8%, var(--surface));
  border: 1px dashed var(--border);
  border-radius: 8px;
  color: var(--primary);
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  font-family: var(--bd-font-family);
  transition: all 0.2s ease;
  margin-bottom: 12px;
}

.add-page-btn:hover {
  background: color-mix(in hsl, var(--primary) 12%, var(--surface));
  border-color: var(--primary);
}

.add-page-btn .material-symbols-outlined {
  font-size: 18px;
}

.pages-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.page-item:hover {
  background: color-mix(in hsl, var(--primary) 8%, var(--surface));
  border-color: var(--primary);
}

.page-item.active {
  background: color-mix(in hsl, var(--primary) 12%, var(--surface));
  border-color: var(--primary);
  border-width: 2px;
}

.page-item-icon {
  font-size: 18px;
  color: var(--muted);
}

.page-item.active .page-item-icon {
  color: var(--primary);
}

.page-item-title {
  flex: 1;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.page-item-delete {
  appearance: none;
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all 0.2s ease;
}

.page-item:hover .page-item-delete {
  opacity: 1;
}

.page-item-delete:hover {
  background: color-mix(in hsl, #ff4444 10%, var(--surface));
  color: #ff4444;
}

.page-item-delete .material-symbols-outlined {
  font-size: 16px;
}

/* Version History Modal */
.version-history-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: grid;
  place-items: center;
  z-index: 2000;
  animation: fadeIn 0.2s ease;
}

.version-history-modal[hidden] {
  display: none;
}

.version-history-card {
  width: min(700px, 92vw);
  max-height: 80vh;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.version-history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in hsl, var(--primary) 8%, var(--surface));
}

.version-history-header h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.version-history-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
}

.version-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.version-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: all 0.2s ease;
}

.version-item:hover {
  background: color-mix(in hsl, var(--primary) 6%, var(--surface));
  border-color: var(--primary);
}

.version-item-icon {
  font-size: 20px;
  color: var(--primary);
}

.version-item-info {
  flex: 1;
}

.version-item-time {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.version-item-details {
  font-size: 12px;
  color: var(--muted);
}

.version-item-actions {
  display: flex;
  gap: 8px;
}

.version-btn {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--bd-font-family);
  transition: all 0.2s ease;
}

.version-btn:hover {
  background: color-mix(in hsl, var(--primary) 8%, var(--surface));
  border-color: var(--primary);
}

.version-btn.primary {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.version-btn.primary:hover {
  background: color-mix(in hsl, var(--primary) 85%, black 15%);
}

/* Summary Tool Modal */
.summary-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: grid;
  place-items: center;
  z-index: 2000;
  animation: fadeIn 0.2s ease;
}

.summary-modal[hidden] {
  display: none;
}

.summary-card {
  width: min(600px, 92vw);
  max-height: 80vh;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.summary-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in hsl, var(--primary) 8%, var(--surface));
}

.summary-header h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.summary-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

.summary-options {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.summary-option-btn {
  flex: 1;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font-weight: 600;
  font-family: var(--bd-font-family);
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.summary-option-btn:hover {
  background: color-mix(in hsl, var(--primary) 8%, var(--surface));
  border-color: var(--primary);
}

.summary-option-btn.active {
  background: color-mix(in hsl, var(--primary) 12%, var(--surface));
  border-color: var(--primary);
  border-width: 2px;
}

.summary-option-btn .material-symbols-outlined {
  font-size: 24px;
  color: var(--primary);
}

.summary-result {
  padding: 16px;
  background: color-mix(in hsl, var(--primary) 6%, var(--surface));
  border: 1px solid var(--border);
  border-radius: 8px;
  line-height: 1.6;
  color: var(--text);
}

.summary-loading {
  text-align: center;
  padding: 40px;
  color: var(--muted);
}

.summary-loading .material-symbols-outlined {
  font-size: 32px;
  animation: spin 1s linear infinite;
}

/* Grammar Check Modal */
.grammar-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: grid;
  place-items: center;
  z-index: 2000;
  animation: fadeIn 0.2s ease;
}

.grammar-modal[hidden] {
  display: none;
}

.grammar-card {
  width: min(700px, 92vw);
  max-height: 80vh;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.grammar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in hsl, var(--primary) 8%, var(--surface));
}

.grammar-header h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.grammar-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

.grammar-stats {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
  padding: 16px;
  background: color-mix(in hsl, var(--primary) 6%, var(--surface));
  border: 1px solid var(--border);
  border-radius: 8px;
}

.grammar-stat {
  flex: 1;
  text-align: center;
}

.grammar-stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  font-family: 'Doto', monospace;
}

.grammar-stat-label {
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}

.grammar-issues {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.grammar-issue {
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid;
  border-radius: 8px;
}

.grammar-issue.error {
  border-left-color: #ef4444;
}

.grammar-issue.clarity {
  border-left-color: #3b82f6;
}

.grammar-issue.readability {
  border-left-color: #8b5cf6;
}

.grammar-issue.enhancement {
  border-left-color: #10b981;
}

.grammar-issue-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.grammar-issue-type {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.grammar-issue.error .grammar-issue-type {
  color: #ef4444;
}

.grammar-issue.clarity .grammar-issue-type {
  color: #3b82f6;
}

.grammar-issue.readability .grammar-issue-type {
  color: #8b5cf6;
}

.grammar-issue.enhancement .grammar-issue-type {
  color: #10b981;
}

.grammar-issue-text {
  font-size: 14px;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.5;
}

.grammar-issue-original {
  background: rgba(244, 63, 94, 0.15);
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
}

.grammar-issue-suggestion {
  background: rgba(16, 185, 129, 0.15);
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
}

.grammar-issue-explanation {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
  margin-top: 8px;
  padding: 8px;
  background: color-mix(in hsl, var(--primary) 4%, var(--surface));
  border-radius: 6px;
  border-left: 2px solid var(--primary);
}

.grammar-issue-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.grammar-issue-btn {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--bd-font-family);
  transition: all 0.2s ease;
}

.grammar-issue-btn:hover {
  background: color-mix(in hsl, var(--primary) 8%, var(--surface));
  border-color: var(--primary);
}

.grammar-issue-btn.primary {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.grammar-issue-btn.primary:hover {
  background: color-mix(in hsl, var(--primary) 85%, black 15%);
}

.grammar-no-issues {
  text-align: center;
  padding: 40px;
  color: var(--muted);
}

.grammar-no-issues .material-symbols-outlined {
  font-size: 48px;
  color: #22c55e;
  margin-bottom: 12px;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}