:root {
  color-scheme: light;
  --ink: #202124;
  --muted: #6f6b64;
  --line: #d8cab8;
  --paper: #f8f1e6;
  --panel: #fffaf2;
  --accent: #216b72;
  --accent-strong: #174a50;
  --rose: #9e435c;
  --gold: #b9822e;
  --shadow: 0 18px 48px rgba(55, 42, 27, 0.18);
}

body.theme-dark {
  color-scheme: dark;
  --ink: #f4efe7;
  --muted: #b9ad9e;
  --line: #4d453b;
  --panel: #1f211f;
  --accent: #2d8990;
  --accent-strong: #7bc6ca;
  --gold: #d1a352;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(33, 107, 114, 0.12), transparent 34%),
    linear-gradient(315deg, rgba(158, 67, 92, 0.10), transparent 32%),
    #ece4d7;
  font-family: "Segoe UI", Arial, sans-serif;
  overflow: auto;
}

body.theme-dark {
  background:
    linear-gradient(135deg, rgba(45, 137, 144, 0.18), transparent 34%),
    linear-gradient(315deg, rgba(185, 130, 46, 0.12), transparent 32%),
    #141716;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  min-height: 38px;
  border: 1px solid transparent;
  border-radius: 7px;
  color: #fff;
  background: var(--accent);
  cursor: pointer;
}

button:hover {
  background: var(--accent-strong);
}

button:disabled,
textarea:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

button.ghost {
  width: 100%;
  color: var(--accent-strong);
  background: transparent;
  border-color: var(--line);
}

body.theme-dark button.ghost {
  color: var(--accent-strong);
  background: rgba(255, 255, 255, 0.03);
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  height: 100vh;
  min-height: 0;
}

.fatal-error {
  position: fixed;
  z-index: 99;
  left: 16px;
  right: 16px;
  top: 16px;
  padding: 14px 16px;
  color: #fff;
  background: #8c2432;
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.24);
  font-weight: 700;
}

.sidebar {
  grid-column: 2;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100vh;
  min-height: 0;
  padding: 14px;
  overflow: auto;
  background: rgba(255, 250, 242, 0.94);
  border-left: 1px solid var(--line);
}

body.theme-dark .sidebar {
  background: rgba(31, 33, 31, 0.96);
}

.brand h1,
.toolbar h2 {
  margin: 2px 0 0;
  font-size: 21px;
  line-height: 1.1;
}

.storage-note {
  display: none;
  margin: 8px 0 0;
  color: #8c2432;
  font-size: 12px;
  font-weight: 700;
}

.live-note {
  margin: 8px 0 0;
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 800;
}

.ready-note {
  display: none;
  margin: 4px 0 0;
  color: #287348;
  font-size: 12px;
  font-weight: 800;
}

.editor-ready .ready-note {
  display: block;
}

.storage-off .storage-note {
  display: block;
}

.sidebar-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  padding: 4px;
  background: rgba(239, 229, 215, 0.62);
  border: 1px solid rgba(216, 202, 184, 0.9);
  border-radius: 8px;
}

body.theme-dark .sidebar-tabs {
  background: rgba(20, 23, 22, 0.72);
}

.sidebar-tabs button {
  min-height: 34px;
  padding: 6px 8px;
  color: var(--accent-strong);
  background: transparent;
  font-size: 12px;
  font-weight: 800;
}

.sidebar-tabs button.active {
  color: #fff;
  background: var(--accent);
}

.sidebar-tabs button.has-warning:not(.active) {
  color: #8c2432;
  background: rgba(158, 67, 92, 0.1);
}

.sidebar-tabs button[hidden] {
  display: none;
}

.target-note {
  margin: 0;
  padding: 8px 10px;
  color: var(--accent-strong);
  background: rgba(33, 107, 114, 0.1);
  border: 1px solid rgba(33, 107, 114, 0.25);
  border-radius: 7px;
  font-size: 12px;
  font-weight: 800;
}

.eyebrow {
  margin: 0;
  color: var(--rose);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.panel {
  display: grid;
  gap: 10px;
  padding: 12px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.panel[hidden] {
  display: none;
}

body.theme-dark .panel {
  background: var(--panel);
}

.panel h2 {
  margin: 0;
  font-size: 14px;
}

.settings-status {
  margin: 0;
  padding: 8px 10px;
  border-radius: 7px;
}

.save-status,
.project-size-status,
.book-structure-tools,
.preview-jump {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.project-size-status {
  padding: 8px 10px;
  background: rgba(33, 107, 114, 0.08);
  border: 1px solid rgba(33, 107, 114, 0.22);
  border-radius: 7px;
  line-height: 1.35;
}

.project-size-status.warning {
  color: #4a2912;
  background: #f5d8b8;
  border-color: rgba(145, 81, 24, 0.42);
}

body.theme-dark .project-size-status.warning {
  color: #ffe4c4;
  background: #2b1f17;
}

.project-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 10px 0;
}

.project-stat {
  padding: 9px;
  background: rgba(255, 250, 242, 0.78);
  border: 1px solid rgba(80, 55, 31, 0.16);
  border-radius: 7px;
}

.project-stat strong {
  display: block;
  color: #3d2c1c;
  font-size: 1rem;
}

.project-stat span {
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

body.theme-dark .project-stat {
  background: rgba(244, 230, 207, 0.08);
  border-color: rgba(244, 230, 207, 0.14);
}

body.theme-dark .project-stat strong {
  color: #f7ead1;
}

.term-help {
  display: inline-grid;
  place-items: center;
  width: 16px;
  height: 16px;
  margin-left: 4px;
  color: #fff;
  background: var(--accent);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 900;
  line-height: 1;
  cursor: help;
}

.book-structure-tools {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
}

.spine-preview {
  display: grid;
  gap: 8px;
  padding: 10px;
  color: #ead6b4;
  background:
    radial-gradient(circle at 20% 20%, rgba(185, 130, 46, 0.22), transparent 28%),
    linear-gradient(135deg, #10282b, #17140f 62%, #2a1d18);
  border: 1px solid rgba(185, 130, 46, 0.45);
  border-radius: 8px;
  box-shadow: inset 0 0 0 1px rgba(255, 241, 207, 0.08);
}

.spine-preview-wrap {
  display: grid;
  grid-template-columns: minmax(56px, 1fr) var(--spine-preview-width, 34px) minmax(56px, 1fr);
  min-height: 190px;
  overflow: hidden;
  border: 1px solid rgba(236, 198, 132, 0.45);
  border-radius: 6px;
}

.spine-preview-cover,
.spine-preview-panel {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 0;
}

.spine-preview-cover {
  color: rgba(244, 220, 178, 0.78);
  background:
    linear-gradient(135deg, rgba(33, 107, 114, 0.88), rgba(26, 20, 15, 0.92)),
    repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px 12px);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.spine-preview-front {
  background:
    linear-gradient(135deg, rgba(158, 67, 92, 0.84), rgba(25, 21, 18, 0.94)),
    repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px 12px);
}

.spine-preview-panel {
  width: var(--spine-preview-width, 34px);
  padding: 10px 3px;
  color: #f8e7c4;
  background:
    linear-gradient(180deg, rgba(255, 238, 197, 0.12), transparent 18%, transparent 82%, rgba(255, 238, 197, 0.1)),
    #0b1e20;
  border-right: 1px dashed rgba(246, 214, 159, 0.48);
  border-left: 1px dashed rgba(246, 214, 159, 0.48);
  text-align: center;
}

.spine-preview-panel::before,
.spine-preview-panel::after {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: rgba(246, 214, 159, 0.3);
}

.spine-preview-panel::before {
  left: 4px;
}

.spine-preview-panel::after {
  right: 4px;
}

.spine-preview-title,
.spine-preview-author,
.spine-preview-publisher {
  display: block;
  max-height: 86px;
  overflow: hidden;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  line-height: 1.1;
  text-overflow: ellipsis;
}

.spine-preview-title {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 13px;
  letter-spacing: 0.03em;
}

.spine-preview-author,
.spine-preview-publisher {
  color: rgba(248, 231, 196, 0.84);
  font-size: 9px;
  text-transform: uppercase;
}

.spine-preview.thin-spine .spine-preview-title,
.spine-preview.thin-spine .spine-preview-author,
.spine-preview.thin-spine .spine-preview-publisher {
  max-height: 160px;
}

.spine-preview.thin-spine .spine-preview-title {
  font-size: 8px;
  letter-spacing: 0;
}

.spine-preview.thin-spine .spine-preview-author,
.spine-preview.thin-spine .spine-preview-publisher {
  display: none;
}

.spine-preview.thin-spine .spine-preview-panel::before {
  display: none;
}

.spine-preview p {
  margin: 0;
  color: rgba(248, 231, 196, 0.86);
  font-size: 11px;
  line-height: 1.35;
}

body.theme-dark .spine-preview {
  border-color: rgba(209, 163, 82, 0.54);
}

.book-search-tools {
  display: grid;
  gap: 8px;
  padding: 10px;
  background: rgba(33, 107, 114, 0.08);
  border: 1px solid rgba(33, 107, 114, 0.22);
  border-radius: 8px;
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.filter-chips button {
  min-height: 28px;
  padding: 5px 8px;
  color: var(--accent-strong);
  background: rgba(255, 255, 255, 0.54);
  border-color: var(--line);
  font-size: 11px;
  font-weight: 800;
}

body.theme-dark .filter-chips button {
  background: rgba(255, 255, 255, 0.04);
}

.filter-chips button.active {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

.book-search-results {
  display: grid;
  gap: 6px;
  max-height: 220px;
  overflow: auto;
}

.book-search-results button {
  display: grid;
  gap: 2px;
  min-height: 0;
  padding: 8px;
  color: var(--ink);
  background: #fffdf8;
  border: 1px solid var(--line);
  text-align: left;
}

body.theme-dark .book-search-results button {
  background: #181b1a;
}

.book-search-results button:hover {
  color: #fff;
  background: var(--accent);
}

.book-search-results strong,
.book-search-results span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.book-search-results strong {
  font-size: 12px;
}

.book-search-results span,
.book-search-results p {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
}

.book-search-results button:hover span {
  color: rgba(255, 255, 255, 0.82);
}

.preview-jump {
  display: grid;
  gap: 4px;
  min-width: 180px;
}

.preview-zoom {
  display: grid;
  grid-template-columns: 30px minmax(80px, 1fr) 30px 54px;
  gap: 6px;
  align-items: end;
  color: var(--muted);
  font-size: 12px;
}

.preview-zoom button {
  min-width: 0;
  padding: 6px;
}

.preview-zoom label {
  display: grid;
  gap: 3px;
}

.metadata-tools,
.back-print-tools,
.recovery-tools {
  display: grid;
  gap: 10px;
  padding: 10px;
  background: rgba(33, 107, 114, 0.08);
  border: 1px solid rgba(33, 107, 114, 0.22);
  border-radius: 8px;
}

.metadata-tools h3,
.metadata-tools p,
.back-print-tools h3,
.back-print-tools p,
.recovery-tools h3,
.recovery-tools p {
  margin: 0;
}

.metadata-tools h3,
.back-print-tools h3,
.recovery-tools h3 {
  font-size: 13px;
}

.metadata-tools p,
.back-print-tools p,
.recovery-tools p {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.preflight-summary {
  margin: 0;
  padding: 10px;
  color: #8c2432;
  background: rgba(158, 67, 92, 0.1);
  border: 1px solid rgba(158, 67, 92, 0.22);
  border-radius: 7px;
  font-size: 13px;
  font-weight: 800;
  line-height: 1.35;
}

.preflight-summary.clear {
  color: #287348;
  background: rgba(40, 115, 72, 0.1);
  border-color: rgba(40, 115, 72, 0.22);
}

.preflight-list {
  display: grid;
  gap: 8px;
}

.preflight-group {
  display: grid;
  gap: 8px;
}

.preflight-group h3 {
  margin: 8px 0 0;
  color: #4b3422;
  font-size: 0.86rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

body.theme-dark .preflight-group h3 {
  color: #ead9bf;
}

.preflight-item {
  display: grid;
  gap: 4px;
  padding: 10px;
  background: #fffdf8;
  border: 1px solid var(--line);
  border-left: 5px solid var(--gold);
  border-radius: 7px;
}

body.theme-dark .preflight-item {
  background: #181b1a;
}

.preflight-item.severity-warn {
  border-left-color: #8c2432;
}

.preflight-item.severity-note {
  border-left-color: var(--gold);
}

.preflight-item.severity-ok {
  border-left-color: #287348;
}

.preflight-item strong {
  font-size: 13px;
}

.preflight-item span,
.preflight-item p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.preflight-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.preflight-actions button {
  min-height: 30px;
  padding: 6px 9px;
  font-size: 12px;
}

.ai-note,
.ai-status,
.ai-model-hint,
.ai-mode-hint {
  margin: 0;
  color: var(--ink);
  font-size: 12px;
  line-height: 1.35;
}

.ai-model-hint,
.ai-mode-hint {
  padding: 8px 10px;
  color: #2c2117;
  background: #f5e8d8;
  border: 1px solid rgba(80, 55, 31, 0.28);
  border-radius: 7px;
}

body.theme-dark .ai-model-hint,
body.theme-dark .ai-mode-hint {
  color: #f3eadf;
  background: #191d1e;
  border-color: rgba(221, 196, 157, 0.22);
}

.ai-status {
  padding: 8px 10px;
  background: #e6f4ef;
  border: 1px solid rgba(19, 86, 91, 0.45);
  border-radius: 7px;
}

.ai-subtabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 4px;
  padding: 4px;
  background: #ead9c4;
  border: 1px solid rgba(80, 55, 31, 0.26);
  border-radius: 8px;
}

.ai-subtabs button {
  min-height: 34px;
  padding: 6px 8px;
  color: #3a2a1b;
  background: transparent;
  border: 1px solid transparent;
  font-size: 12px;
}

.ai-subtabs button.active {
  color: #fffefa;
  background: var(--accent);
  border-color: var(--accent-strong);
}

.ai-tab-panel {
  display: grid;
  gap: 10px;
}

.ai-tab-panel[hidden] {
  display: none;
}

.ai-action-panel {
  display: grid;
  gap: 9px;
  margin: 12px 0;
  padding: 12px;
  background: rgba(255, 250, 242, 0.74);
  border: 1px solid rgba(92, 66, 44, 0.18);
  border-radius: 8px;
}

.ai-action-panel h3 {
  margin: 0;
  color: #5d4030;
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.ai-action-bar {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.ai-action-bar button {
  min-height: 34px;
  padding: 8px 9px;
  font-size: 0.8rem;
  line-height: 1.15;
}

.writing-panel {
  gap: 10px;
}

.writing-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.writing-stats div {
  padding: 9px;
  background: rgba(255, 250, 242, 0.78);
  border: 1px solid rgba(80, 55, 31, 0.16);
  border-radius: 7px;
}

.writing-stats strong,
.writing-stats span {
  display: block;
}

.writing-stats strong {
  color: #3d2c1c;
  font-size: 1rem;
}

.writing-stats span {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.writing-overflow {
  margin: 0;
  padding: 9px 10px;
  border-radius: 7px;
  font-size: 12px;
  font-weight: 800;
  line-height: 1.35;
}

.writing-overflow.ok {
  color: #1f5f3b;
  background: rgba(77, 151, 105, 0.14);
  border: 1px solid rgba(77, 151, 105, 0.28);
}

.writing-overflow.note {
  color: #5a4318;
  background: rgba(209, 163, 82, 0.2);
  border: 1px solid rgba(185, 130, 46, 0.34);
}

.writing-overflow.warn {
  color: #7a2437;
  background: rgba(158, 67, 92, 0.14);
  border: 1px solid rgba(158, 67, 92, 0.32);
}

#writingBody {
  min-height: 260px;
  padding: 12px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 16px;
  line-height: 1.55;
  resize: vertical;
}

.writing-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.writing-actions button {
  min-height: 36px;
  padding: 8px 9px;
  font-size: 0.8rem;
  line-height: 1.15;
}

body.theme-dark .writing-stats div {
  background: rgba(244, 230, 207, 0.08);
  border-color: rgba(244, 230, 207, 0.14);
}

body.theme-dark .writing-stats strong {
  color: #f7ead1;
}

body.theme-dark .writing-overflow.ok {
  color: #b8f0ce;
  background: rgba(77, 151, 105, 0.18);
}

body.theme-dark .writing-overflow.note {
  color: #f3d8a4;
  background: rgba(209, 163, 82, 0.16);
}

body.theme-dark .writing-overflow.warn {
  color: #ffd0d8;
  background: rgba(158, 67, 92, 0.22);
}

body.theme-dark .ai-subtabs {
  background: #15191a;
  border-color: rgba(221, 196, 157, 0.22);
}

body.theme-dark .ai-subtabs button {
  color: #eadfcc;
}

body.theme-dark .ai-subtabs button.active {
  color: #ffffff;
}

body.theme-dark .ai-action-panel {
  background: rgba(244, 230, 207, 0.08);
  border-color: rgba(244, 230, 207, 0.16);
}

body.theme-dark .ai-action-panel h3 {
  color: #ead9bf;
}

.ai-fix-review {
  display: grid;
  gap: 8px;
  padding: 10px;
  background: #fff7ec;
  border: 1px solid rgba(80, 55, 31, 0.28);
  border-radius: 8px;
}

.ai-fix-review-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.ai-fix-review-header h3 {
  margin: 0;
  color: var(--ink);
  font-size: 13px;
}

.ai-fix-review-header div,
.ai-fix-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.ai-fix-review button,
.ai-fix-actions button {
  min-height: 28px;
  padding: 5px 8px;
  font-size: 11px;
}

.ai-fix-queue {
  display: grid;
  gap: 8px;
  max-height: 280px;
  overflow: auto;
}

.ai-fix-card,
.ai-fix-empty {
  display: grid;
  gap: 6px;
  padding: 9px;
  color: #201813;
  background: #ffffff;
  border: 1px solid rgba(70, 46, 22, 0.28);
  border-radius: 7px;
}

.ai-fix-card strong,
.ai-fix-card span,
.ai-fix-card p,
.ai-fix-card small,
.ai-fix-empty {
  margin: 0;
  font-size: 12px;
  line-height: 1.35;
}

.ai-fix-card span,
.ai-fix-card small,
.ai-fix-empty {
  color: #5b4634;
}

.ai-fix-card small {
  display: block;
  padding: 6px;
  background: #f7eee2;
  border-radius: 6px;
}

body.theme-dark .ai-fix-review {
  background: #171b1c;
  border-color: rgba(221, 196, 157, 0.24);
}

body.theme-dark .ai-fix-card,
body.theme-dark .ai-fix-empty {
  color: #f6eee3;
  background: #101314;
  border-color: rgba(221, 196, 157, 0.24);
}

body.theme-dark .ai-fix-card span,
body.theme-dark .ai-fix-card small,
body.theme-dark .ai-fix-empty {
  color: #c9bda9;
}

body.theme-dark .ai-fix-card small {
  background: #202526;
}

.ai-chat-log {
  display: grid;
  gap: 8px;
  max-height: 260px;
  overflow: auto;
  padding: 10px;
  background: #efe1cf;
  border: 1px solid rgba(80, 55, 31, 0.34);
  border-radius: 8px;
}

.ai-chat-log:empty::before {
  content: "Start with a normal question, like: Can you help me fix this back cover?";
  color: #3b2f22;
  font-size: 12px;
  line-height: 1.4;
}

.ai-chat-item {
  padding: 10px;
  background: #fffefa;
  border: 1px solid rgba(70, 46, 22, 0.34);
  border-radius: 7px;
  color: #1c1712;
}

.ai-chat-item.user {
  justify-self: end;
  max-width: 92%;
  background: #155f66;
  border-color: #0d4046;
  color: #ffffff;
}

.ai-chat-item.assistant {
  justify-self: start;
  max-width: 96%;
  background: #fffefa;
  border-color: rgba(120, 42, 71, 0.42);
}

.ai-chat-item strong,
.ai-chat-item p {
  margin: 0;
}

.ai-chat-item p {
  margin-top: 4px;
  color: inherit;
  font-size: 13px;
  line-height: 1.5;
}

#aiOutput {
  min-height: 180px;
  resize: vertical;
  background: #ffffff;
  color: #15110d;
  border-color: rgba(50, 34, 18, 0.45);
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  background: #fffdf8;
}

body.theme-dark input,
body.theme-dark select,
body.theme-dark textarea {
  color: var(--ink);
  background: #141716;
}

input,
select {
  min-height: 36px;
  padding: 7px 9px;
}

input[type="range"],
input[type="color"],
input[type="file"],
.check-row input {
  min-height: auto;
  padding: 0;
}

.image-tools {
  display: grid;
  gap: 10px;
  padding: 10px;
  background: rgba(239, 229, 215, 0.62);
  border: 1px solid rgba(216, 202, 184, 0.9);
  border-radius: 8px;
}

body.theme-dark .image-tools {
  background: rgba(20, 23, 22, 0.72);
}

.back-cover-design-panel[hidden] {
  display: none;
}

.swatch-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.swatch-grid label {
  min-width: 0;
}

.swatch-grid input[type="color"] {
  width: 100%;
  height: 34px;
}

.image-preview {
  display: grid;
  place-items: center;
  min-height: 96px;
  overflow: hidden;
  color: var(--muted);
  background: #fffdf8;
  border: 1px dashed var(--line);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 700;
  text-align: center;
}

body.theme-dark .image-preview {
  background: #141716;
}

.image-preview img {
  display: block;
  width: 100%;
  max-height: 140px;
  object-fit: contain;
  background: #efe5d7;
}

.image-preview span {
  padding: 8px;
}

.image-preview small {
  padding: 0 8px 8px;
  color: var(--muted);
  font-size: 10px;
}

.image-quality-badge {
  display: inline-flex;
  justify-self: center;
  align-items: center;
  width: fit-content;
  margin: 0 8px 6px;
  padding: 3px 7px;
  color: #fff;
  background: var(--accent);
  border-radius: 999px;
  font-size: 10px;
  font-weight: 900;
  line-height: 1.1;
  text-transform: uppercase;
}

.quality-ok {
  background: #287348;
}

.quality-low {
  background: #8c2432;
}

.quality-unknown,
.quality-unused {
  color: #332414;
  background: #d1a352;
}

.library-note,
.library-empty {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.image-library {
  display: grid;
  gap: 8px;
  max-height: 280px;
  overflow: auto;
}

.library-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: stretch;
  padding: 6px;
  background: #fffdf8;
  border: 1px solid var(--line);
  border-radius: 8px;
}

body.theme-dark .library-item {
  background: #181b1a;
}

.library-use {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  min-width: 0;
  padding: 0;
  color: var(--ink);
  text-align: left;
  background: transparent;
  border: 0;
}

.library-use:hover {
  color: inherit;
  background: transparent;
}

.library-use img {
  width: 52px;
  height: 52px;
  object-fit: cover;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.library-use span {
  overflow: hidden;
  font-size: 12px;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: normal;
}

.library-use small {
  display: block;
  overflow: hidden;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.library-use .image-quality-badge {
  justify-self: start;
  margin: 4px 0 2px;
}

.library-delete {
  min-width: 56px;
  padding: 4px 6px;
  font-size: 11px;
  background: var(--rose);
}

.check-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.check-row input {
  width: auto;
}

.button-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.panel .button-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.preset-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}

.preset-grid button {
  min-height: 32px;
  padding: 7px 8px;
  font-size: 0.78rem;
  line-height: 1.15;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
  padding: 3px;
  background: #efe5d7;
  border-radius: 8px;
}

body.theme-dark .segmented {
  background: #141716;
}

.segmented button {
  color: var(--accent-strong);
  background: transparent;
}

.segmented button.active {
  color: #fff;
  background: var(--accent);
}

.spreads-panel {
  min-height: 0;
}

.book-outline-tools {
  display: grid;
  gap: 10px;
  padding: 10px;
  background: rgba(255, 250, 242, 0.72);
  border: 1px solid rgba(80, 55, 31, 0.18);
  border-radius: 8px;
}

body.theme-dark .book-outline-tools {
  background: rgba(244, 230, 207, 0.08);
  border-color: rgba(244, 230, 207, 0.14);
}

.book-outline-tools h3,
.book-outline-tools p {
  margin: 0;
}

.book-outline-tools h3 {
  font-size: 0.92rem;
}

.book-outline-tools p {
  color: var(--muted);
  font-size: 12px;
}

.book-outline {
  display: grid;
  gap: 7px;
  max-height: 320px;
  overflow: auto;
  padding-right: 2px;
}

.outline-item {
  display: grid;
  gap: 6px;
  padding: 7px;
  background: #fffdf8;
  border: 1px solid var(--line);
  border-left: 4px solid #c2a06a;
  border-radius: 7px;
}

body.theme-dark .outline-item {
  background: #181b1a;
}

.outline-item.active {
  border-color: var(--accent);
  border-left-color: var(--accent);
}

.outline-item.outline-chapter {
  border-left-color: #216b72;
}

.outline-item.outline-toc,
.outline-item.outline-title,
.outline-item.outline-copyright {
  border-left-color: var(--gold);
}

.outline-item button {
  display: grid;
  gap: 2px;
  padding: 0;
  color: var(--ink);
  background: transparent;
  border: 0;
  text-align: left;
}

.outline-item button:hover {
  color: var(--accent-strong);
  background: transparent;
}

.outline-item strong,
.outline-item span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.outline-item strong {
  font-size: 12px;
}

.outline-item span {
  color: var(--muted);
  font-size: 11px;
}

.outline-item input {
  min-height: 30px;
  padding: 6px 8px;
  font-size: 12px;
}

.spread-list {
  display: grid;
  gap: 8px;
}

.spread-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: stretch;
  padding: 6px;
  text-align: left;
  color: var(--ink);
  background: #fffdf8;
  border: 1px solid var(--line);
  border-radius: 7px;
}

body.theme-dark .spread-item {
  background: #181b1a;
}

.spread-item.active {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

.spread-open {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  padding: 3px;
  min-width: 0;
  color: inherit;
  text-align: left;
  background: transparent;
  border: 0;
}

.spread-open:hover {
  color: inherit;
  background: transparent;
}

.spread-reorder {
  display: grid;
  grid-template-rows: 1fr 1fr;
  gap: 4px;
}

.spread-reorder button {
  min-width: 48px;
  padding: 4px 6px;
  font-size: 11px;
}

.mini-spread {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  height: 30px;
}

.mini-spread span {
  display: block;
  background: var(--paper);
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.mini-spread.single {
  grid-template-columns: 1fr;
}

.workspace {
  grid-column: 1;
  grid-row: 1;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 12px;
  min-width: 0;
  min-height: 0;
  padding: 14px;
  overflow: hidden;
}

.toolbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  min-height: 52px;
  padding: 10px 12px;
  background: rgba(255, 250, 242, 0.72);
  border: 1px solid var(--line);
  border-radius: 8px;
}

body.theme-dark .toolbar,
body.theme-dark .spread-stage,
body.theme-dark .book-preview {
  background: rgba(31, 33, 31, 0.72);
}

.toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.toolbar-actions button {
  min-width: 74px;
}

.toolbar-actions .history-button {
  width: 54px;
  min-width: 54px;
  padding: 6px 8px;
  overflow: hidden;
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.toolbar-actions button.ghost {
  color: var(--accent-strong);
  background: rgba(255, 255, 255, 0.48);
  border-color: var(--line);
}

body.theme-dark .toolbar-actions button.ghost {
  background: rgba(255, 255, 255, 0.04);
}

.export-modal {
  position: fixed;
  z-index: 80;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(20, 18, 16, 0.48);
}

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

.export-dialog {
  display: grid;
  gap: 14px;
  width: min(760px, 100%);
  max-height: min(760px, calc(100vh - 36px));
  overflow: auto;
  padding: 16px;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.export-dialog-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
}

.export-dialog-header h2 {
  margin: 2px 0 0;
  font-size: 22px;
}

.export-dialog-header .ghost {
  width: auto;
  min-width: 82px;
}

.export-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.export-option {
  display: grid;
  gap: 7px;
  min-height: 118px;
  padding: 14px;
  color: var(--ink);
  background: #fffdf8;
  border: 1px solid var(--line);
  text-align: left;
}

body.theme-dark .export-option {
  background: #181b1a;
}

.export-option:hover {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

.export-option strong {
  font-size: 15px;
  line-height: 1.2;
}

.export-option span,
.export-note {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.38;
}

.export-option:hover span {
  color: rgba(255, 255, 255, 0.86);
}

.export-note {
  margin: 0;
  padding: 10px;
  background: rgba(33, 107, 114, 0.1);
  border: 1px solid rgba(33, 107, 114, 0.24);
  border-radius: 7px;
}

.spread-stage {
  --page-w: min(35vw, 430px, calc((100vh - 180px) / var(--page-ratio)));
  --page-ratio: 1.5;
  --margin: 18px;
  --margin-top: 18px;
  --margin-bottom: 18px;
  --bleed: 12px;
  --font-size: 17px;
  display: grid;
  grid-template-columns: var(--page-w) var(--page-w);
  justify-content: center;
  align-content: center;
  min-height: 0;
  padding: 14px;
  overflow: auto;
  background:
    linear-gradient(90deg, transparent calc(50% - 1px), rgba(45, 34, 21, 0.25) 50%, transparent calc(50% + 1px)),
    rgba(255, 253, 248, 0.42);
  border: 1px solid rgba(216, 202, 184, 0.9);
  border-radius: 8px;
}

.spread-stage.mode-cover {
  --page-w: min(520px, 58vw, calc((100vh - 170px) / var(--page-ratio)));
  grid-template-columns: var(--page-w);
  background: rgba(255, 253, 248, 0.42);
}

.spread-stage.mode-cover .page {
  border-radius: 6px;
}

.spread-stage.mode-cover .page::after {
  display: none;
}

.spread-stage.size-5x8 {
  --page-ratio: 1.6;
}

.spread-stage.size-8-5x11 {
  --page-ratio: 1.294;
}

.spread-stage.size-square {
  --page-ratio: 1;
}

.page {
  position: relative;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  width: var(--page-w);
  aspect-ratio: 1 / var(--page-ratio);
  overflow: hidden;
  background: var(--paper);
  box-shadow: inset 0 0 0 1px rgba(45, 34, 21, 0.18), var(--shadow);
  outline: 0;
}

.page[hidden] {
  display: none;
}

.page.left-page {
  border-radius: 6px 0 0 6px;
}

.page.right-page {
  border-radius: 0 6px 6px 0;
}

.page.selected {
  box-shadow: inset 0 0 0 3px var(--gold), var(--shadow);
  z-index: 2;
}

.bleed-zone {
  position: absolute;
  inset: 0;
  box-sizing: border-box;
  pointer-events: none;
  border: var(--bleed) solid rgba(158, 67, 92, 0.08);
  z-index: 4;
}

.bleed-guide {
  position: absolute;
  inset: var(--bleed);
  box-sizing: border-box;
  pointer-events: none;
  border: 1px solid rgba(158, 67, 92, 0.5);
  z-index: 5;
}

.safe-guide {
  position: absolute;
  inset: calc(var(--bleed) + var(--margin-top)) calc(var(--bleed) + var(--margin)) calc(var(--bleed) + var(--margin-bottom)) calc(var(--bleed) + var(--margin));
  box-sizing: border-box;
  pointer-events: none;
  border: 1px dashed rgba(33, 107, 114, 0.52);
  z-index: 5;
}

.hide-guides .bleed-guide,
.hide-guides .safe-guide,
.hide-guides .bleed-zone {
  display: none;
}

.spread-stage.bleed-safe .page-image {
  inset: var(--bleed);
}

.spread-stage.bleed-safe .page-content {
  padding: calc(var(--margin-top) + var(--bleed)) calc(var(--margin) + var(--bleed)) calc(var(--margin-bottom) + var(--bleed));
}

.spread-stage.bleed-full .page-image {
  inset: 0;
}

.view-preview .app-shell,
.view-organize .app-shell {
  grid-template-columns: minmax(0, 1fr);
}

.view-preview .sidebar,
.view-organize .sidebar {
  display: none;
}

.organizer {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 12px;
  min-height: 0;
  padding: 14px;
  overflow: hidden;
  background: rgba(255, 253, 248, 0.42);
  border: 1px solid rgba(216, 202, 184, 0.9);
  border-radius: 8px;
}

.organizer[hidden] {
  display: none;
}

body.theme-dark .organizer {
  background: rgba(31, 33, 31, 0.72);
}

.organizer-bar {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(0, auto);
  gap: 14px;
  align-items: center;
  padding: 12px;
  background: rgba(255, 250, 242, 0.78);
  border: 1px solid var(--line);
  border-radius: 8px;
}

body.theme-dark .organizer-bar {
  background: rgba(20, 23, 22, 0.72);
}

.organizer-bar h2 {
  margin: 2px 0 0;
  font-size: 22px;
}

.insert-tools {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.insert-tools button {
  min-width: 78px;
}

.organizer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
  overflow: auto;
  padding: 2px;
}

.organizer-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 12px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.organizer-card.active {
  border-color: var(--gold);
  box-shadow: inset 0 0 0 2px rgba(185, 130, 46, 0.35);
}

.organizer-card-head {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: baseline;
}

.organizer-card-head span {
  font-weight: 900;
}

.organizer-card-head small,
.organizer-card p,
.organizer-page-thumb small {
  color: var(--muted);
  font-size: 12px;
}

.organizer-card p {
  min-height: 32px;
  margin: 0;
  line-height: 1.35;
}

.organizer-pages {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  min-height: 152px;
  padding: 0;
  color: var(--ink);
  background: transparent;
  border: 0;
}

.organizer-pages:hover {
  color: var(--ink);
  background: transparent;
}

.organizer-pages.single {
  grid-template-columns: minmax(0, 1fr);
}

.organizer-page-thumb {
  position: relative;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto auto;
  gap: 5px;
  min-width: 0;
  padding: 8px;
  color: var(--ink);
  background: #fffdf8;
  border: 1px solid var(--line);
  border-radius: 6px;
  text-align: left;
  cursor: grab;
}

body.theme-dark .organizer-page-thumb {
  background: #181b1a;
}

.organizer-page-thumb:hover {
  background: #fff8ec;
  border-color: rgba(185, 130, 46, 0.48);
}

body.theme-dark .organizer-page-thumb:hover {
  background: #202421;
}

.organizer-page-thumb.locked {
  cursor: default;
  box-shadow: inset 0 0 0 2px rgba(140, 36, 50, 0.16);
}

.page.locked {
  box-shadow: inset 0 0 0 3px rgba(140, 36, 50, 0.28);
}

.page.locked::after {
  content: "Locked";
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 12;
  padding: 4px 7px;
  color: #fff;
  background: rgba(140, 36, 50, 0.86);
  border-radius: 999px;
  font: 800 10px Arial, sans-serif;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  pointer-events: none;
}

.organizer-thumb-art {
  min-height: 96px;
  background:
    linear-gradient(#efe7db 12px, transparent 12px 20px),
    linear-gradient(90deg, transparent 20%, rgba(33, 107, 114, 0.12) 20% 80%, transparent 80%),
    var(--paper);
  background-position: center;
  background-size: cover;
  border: 1px solid rgba(45, 34, 21, 0.12);
  border-radius: 4px;
}

.organizer-page-thumb.layout-chapter .organizer-thumb-art {
  background:
    radial-gradient(circle at center, rgba(185, 130, 46, 0.22), transparent 42%),
    var(--paper);
}

.organizer-page-thumb.layout-completedPage .organizer-thumb-art,
.organizer-page-thumb.layout-fullImage .organizer-thumb-art {
  background-color: #e3d6c5;
}

.organizer-page-thumb strong,
.organizer-page-thumb small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.organizer-page-thumb strong {
  font-size: 12px;
}

.lock-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 3px 6px;
  color: #fff;
  background: rgba(140, 36, 50, 0.88);
  border-radius: 999px;
  font-size: 10px;
  font-weight: 900;
}

.page-thumb-actions {
  display: flex;
  justify-content: space-between;
  gap: 6px;
  color: var(--muted);
  font-size: 11px;
}

.page-thumb-actions [data-page-lock] {
  color: var(--accent-strong);
  font-weight: 900;
}

.organizer-actions {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
}

.organizer-actions button {
  min-width: 0;
  padding: 6px;
  font-size: 12px;
}

.organizer-cover .organizer-actions {
  grid-template-columns: 1fr;
}

.book-preview {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 12px;
  min-height: 0;
  padding: 14px;
  overflow: hidden;
  background: rgba(255, 253, 248, 0.42);
  border: 1px solid rgba(216, 202, 184, 0.9);
  border-radius: 8px;
}

.book-preview[hidden] {
  display: none;
}

.book-preview-bar {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr) minmax(150px, 190px) minmax(210px, 260px) 84px;
  gap: 12px;
  align-items: center;
  max-width: 1040px;
  width: 100%;
  margin: 0 auto;
  padding: 10px;
  background: rgba(255, 250, 242, 0.78);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.book-preview-bar p {
  margin: 0;
  color: var(--accent-strong);
  font-size: 24px;
  font-weight: 900;
  line-height: 1;
  text-align: center;
}

.preview-position {
  display: grid;
  gap: 4px;
  min-width: 0;
  text-align: center;
}

.preview-position span {
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.preview-thumbnails {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(110px, 140px);
  gap: 8px;
  max-width: min(100%, 980px);
  margin: 0 auto;
  padding: 8px;
  overflow-x: auto;
  background: rgba(255, 250, 242, 0.64);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.preview-thumb {
  display: grid;
  grid-template-rows: 34px auto auto;
  gap: 4px;
  min-height: 78px;
  padding: 8px;
  color: var(--ink);
  background: #fffdf8;
  border: 1px solid var(--line);
}

.preview-thumb.active {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

.preview-thumb.centerfold-thumb .preview-thumb-pages {
  border-color: var(--rose);
  background: linear-gradient(90deg, transparent 0 48%, rgba(158, 67, 92, 0.34) 48% 52%, transparent 52% 100%);
}

.preview-thumb-pages {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
}

.preview-thumb-pages.single {
  grid-template-columns: 1fr;
}

.preview-thumb-pages span {
  min-height: 30px;
  background: var(--paper);
  border: 1px solid rgba(0, 0, 0, 0.12);
}

.preview-thumb-pages.single span:last-child {
  display: none;
}

.preview-thumb strong,
.preview-thumb small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.preview-thumb strong {
  font-size: 13px;
}

.preview-thumb small {
  opacity: 0.82;
  font-size: 11px;
}

body.theme-dark .book-preview-bar,
body.theme-dark .preview-thumbnails {
  background: rgba(20, 23, 22, 0.72);
}

body.theme-dark .preview-thumb {
  background: #181b1a;
}

.book-preview-stage {
  --preview-zoom: 1;
  --page-w: calc(min(35vw, 410px, calc((100vh - 270px) / var(--page-ratio))) * var(--preview-zoom));
  --page-ratio: 1.5;
  --margin: 18px;
  --margin-top: 18px;
  --margin-bottom: 18px;
  --bleed: 12px;
  --font-size: 17px;
  display: grid;
  grid-template-columns: var(--page-w) var(--page-w);
  justify-content: center;
  align-content: center;
  min-height: 0;
  perspective: 1400px;
}

.book-preview-stage.mode-cover {
  --page-w: calc(min(500px, 68vw, calc((100vh - 270px) / var(--page-ratio))) * var(--preview-zoom));
  grid-template-columns: var(--page-w);
}

.book-preview-stage.size-5x8 {
  --page-ratio: 1.6;
}

.book-preview-stage.size-8-5x11 {
  --page-ratio: 1.294;
}

.book-preview-stage.size-square {
  --page-ratio: 1;
}

.preview-page {
  position: relative;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  width: var(--page-w);
  aspect-ratio: 1 / var(--page-ratio);
  overflow: hidden;
  background: var(--paper);
  box-shadow: inset 0 0 0 1px rgba(45, 34, 21, 0.18), 0 24px 60px rgba(44, 34, 24, 0.22);
}

.preview-page[hidden] {
  display: none;
}

.left-preview {
  border-radius: 7px 0 0 7px;
  transform-origin: right center;
}

.right-preview {
  border-radius: 0 7px 7px 0;
  transform-origin: left center;
}

.cover-preview {
  border-radius: 7px;
}

.preview-page::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 20px;
  pointer-events: none;
  z-index: 3;
}

.left-preview::after {
  right: 0;
  background: linear-gradient(90deg, transparent, rgba(53, 39, 26, 0.16));
}

.right-preview::after {
  left: 0;
  background: linear-gradient(270deg, transparent, rgba(53, 39, 26, 0.16));
}

.cover-preview::after {
  display: none;
}

.preview-image {
  display: none;
  min-height: 34%;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.preview-page.has-image .preview-image {
  display: block;
}

.book-preview-stage.bleed-safe .preview-image {
  inset: var(--bleed);
}

.preview-content {
  position: absolute;
  left: var(--page-text-x, 50%);
  top: var(--page-text-y, 50%);
  z-index: 2;
  width: var(--page-text-width, 88%);
  height: var(--page-text-height, 82%);
  padding: calc(var(--margin-top) + var(--bleed)) calc(var(--margin) + var(--bleed)) calc(var(--margin-bottom) + var(--bleed));
  overflow: hidden;
  color: var(--page-text-color);
  background: rgba(var(--page-text-box, 255, 250, 242), var(--page-text-box-opacity, 0));
  border: 2px solid transparent;
  border-radius: 7px;
  box-sizing: border-box;
  text-align: var(--page-text-align, left);
  transform: translate(-50%, -50%);
}

.preview-content h3 {
  margin: 0 0 12px;
  font-family: var(--page-text-font, Georgia, "Times New Roman", serif);
  color: var(--page-text-color);
  font-size: calc(var(--page-text-size, var(--font-size)) * 1.45);
  line-height: 1.05;
}

.preview-content p {
  margin: 0;
  font-family: var(--page-text-font, Georgia, "Times New Roman", serif);
  color: var(--page-text-color);
  font-size: var(--page-text-size, var(--font-size));
  line-height: 1.55;
}

.preview-number {
  position: absolute;
  bottom: calc(var(--bleed) + max(8px, var(--margin-bottom) * 0.45));
  z-index: 4;
  color: rgba(32, 33, 36, 0.58);
  font-size: 12px;
}

.left-preview .preview-number {
  left: calc(var(--margin) + var(--bleed));
}

.right-preview .preview-number,
.cover-preview .preview-number {
  right: calc(var(--margin) + var(--bleed));
}

.preview-page.layout-imageText .preview-image {
  display: block;
  grid-row: 1;
}

.preview-page.layout-imageText {
  grid-template-rows: 48% minmax(0, 1fr);
}

.preview-page.layout-imageText .preview-content {
  height: var(--page-text-height, 46%);
}

.preview-page.layout-fullImage .preview-image,
.preview-page.layout-completedPage .preview-image {
  position: absolute;
  inset: 0;
  display: block;
  height: auto;
  z-index: 1;
}

.book-preview-stage.bleed-safe .preview-page.layout-completedPage.placement-fit .preview-image {
  inset: var(--bleed);
}

.book-preview-stage.bleed-safe .preview-page.layout-completedPage.placement-spreadFitLeft .preview-image {
  inset: var(--bleed) 0 var(--bleed) var(--bleed);
}

.book-preview-stage.bleed-safe .preview-page.layout-completedPage.placement-spreadFitRight .preview-image {
  inset: var(--bleed) var(--bleed) var(--bleed) 0;
}

.preview-page.layout-fullImage .preview-content {
  padding: 18px;
}

.preview-page.back-cover-design .preview-content {
  position: absolute;
  left: var(--blurb-x);
  top: var(--blurb-y);
  z-index: 6;
  width: var(--blurb-width);
  height: var(--blurb-height);
  max-height: calc(100% - (var(--bleed) * 2));
  margin: 0;
  padding: clamp(10px, 4%, 22px);
  overflow: hidden;
  color: var(--blurb-text);
  background: rgba(var(--blurb-bg), var(--blurb-opacity));
  border: 2px solid var(--blurb-frame);
  border-radius: 6px;
  transform: translate(-50%, -50%);
  text-align: var(--blurb-align);
}

.preview-page.back-cover-design.blurb-frame-double .preview-content {
  border-width: 4px;
  border-style: double;
}

.preview-page.back-cover-design.blurb-frame-none .preview-content {
  border-color: transparent;
}

.preview-page.back-cover-design.blurb-frame-ornate .preview-content {
  box-shadow:
    inset 0 0 0 1px rgba(255, 250, 242, 0.58),
    0 0 0 1px var(--blurb-frame);
}

.preview-page.back-cover-design.blurb-frame-ornate .preview-content::before,
.preview-page.back-cover-design.blurb-frame-ornate .preview-content::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  border-color: var(--blurb-frame);
  pointer-events: none;
}

.preview-page.back-cover-design.blurb-frame-ornate .preview-content::before {
  top: 6px;
  left: 6px;
  border-top: 2px solid;
  border-left: 2px solid;
}

.preview-page.back-cover-design.blurb-frame-ornate .preview-content::after {
  right: 6px;
  bottom: 6px;
  border-right: 2px solid;
  border-bottom: 2px solid;
}

.preview-page.back-cover-design.blurb-frame-flourish .preview-content {
  border-width: 1px;
  box-shadow:
    inset 0 0 0 4px rgba(var(--blurb-bg), 0.54),
    inset 0 0 0 6px var(--blurb-frame);
}

.preview-page.back-cover-design.blurb-frame-plaque .preview-content {
  border-width: 3px;
  border-radius: 2px;
  box-shadow:
    inset 0 0 0 1px rgba(255, 250, 242, 0.68),
    0 12px 24px rgba(32, 33, 36, 0.18);
}

.preview-page.back-cover-design.blurb-frame-ribbon .preview-content {
  border-width: 0;
  border-radius: 0;
  background:
    linear-gradient(var(--blurb-frame), var(--blurb-frame)) top / 100% 9px no-repeat,
    linear-gradient(var(--blurb-frame), var(--blurb-frame)) bottom / 100% 9px no-repeat,
    rgba(var(--blurb-bg), var(--blurb-opacity));
  box-shadow: 0 0 0 1px var(--blurb-frame);
}

.preview-page.back-cover-design.blurb-frame-ticket .preview-content {
  border-style: dashed;
  border-width: 3px;
  border-radius: 14px;
}

.preview-page.back-cover-design.blurb-frame-shadow .preview-content {
  border-color: rgba(255, 250, 242, 0.36);
  box-shadow:
    0 14px 32px rgba(32, 33, 36, 0.28),
    inset 0 0 0 1px rgba(255, 250, 242, 0.45);
}

.preview-page.back-cover-design .preview-content h3 {
  color: inherit;
  font-family: var(--blurb-font);
  font-size: calc(var(--blurb-size) * 1.35);
}

.preview-page.back-cover-design .preview-content p {
  color: inherit;
  font-family: var(--blurb-font);
  font-size: var(--blurb-size);
  line-height: 1.45;
}

.preview-page.layout-completedPage .preview-content,
.preview-page.layout-completedPage .preview-number {
  display: none;
}

.preview-page.layout-chapter .preview-content {
  align-self: center;
  text-align: center;
}

.preview-page.layout-chapter .preview-content h3 {
  font-size: calc(var(--font-size) * 1.9);
}

.page::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 18px;
  pointer-events: none;
  z-index: 3;
}

.left-page::after {
  right: 0;
  background: linear-gradient(90deg, transparent, rgba(53, 39, 26, 0.12));
}

.right-page::after {
  left: 0;
  background: linear-gradient(270deg, transparent, rgba(53, 39, 26, 0.12));
}

.page-image {
  position: relative;
  display: none;
  min-height: 34%;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  cursor: grab;
  touch-action: none;
  user-select: none;
}

.image-placeholder {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  color: rgba(32, 33, 36, 0.58);
  background: rgba(255, 253, 248, 0.64);
  border: 2px dashed rgba(33, 107, 114, 0.34);
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.35;
  text-align: center;
}

.image-placeholder small {
  font-size: 11px;
  font-weight: 700;
}

.page-image img {
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
  transform-origin: center;
}

.image-resize-handle {
  position: absolute;
  z-index: 7;
  width: 18px;
  height: 18px;
  border: 2px solid #fffaf2;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 2px 9px rgba(32, 33, 36, 0.28);
  pointer-events: auto;
}

.handle-nw {
  top: 8px;
  left: 8px;
  cursor: nwse-resize;
}

.handle-ne {
  top: 8px;
  right: 8px;
  cursor: nesw-resize;
}

.handle-sw {
  bottom: 8px;
  left: 8px;
  cursor: nesw-resize;
}

.handle-se {
  right: 8px;
  bottom: 8px;
  cursor: nwse-resize;
}

.page-image:active {
  cursor: grabbing;
}

.page-content {
  position: absolute;
  left: var(--page-text-x, 50%);
  top: var(--page-text-y, 50%);
  z-index: 2;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 10px;
  width: var(--page-text-width, 88%);
  height: var(--page-text-height, 82%);
  padding: var(--margin-top) var(--margin) var(--margin-bottom);
  overflow: hidden;
  background: rgba(var(--page-text-box, 255, 250, 242), var(--page-text-box-opacity, 0));
  border: 2px solid transparent;
  border-radius: 7px;
  box-sizing: border-box;
  transform: translate(-50%, -50%);
}

.page-heading,
.page-body {
  border: 0;
  border-radius: 0;
  background: transparent;
}

.page-heading {
  padding: 0;
  color: var(--page-text-color, var(--ink));
  font-family: var(--page-text-font, Georgia, "Times New Roman", serif);
  font-size: calc(var(--page-text-size, var(--font-size)) * 1.45);
  font-weight: 700;
  text-align: var(--page-text-align, left);
}

.page-body {
  min-height: 0;
  padding: 0;
  resize: none;
  color: var(--page-text-color, #2a241d);
  font-family: var(--page-text-font, Georgia, "Times New Roman", serif);
  font-size: var(--page-text-size, var(--font-size));
  line-height: 1.48;
  text-align: var(--page-text-align, left);
}

body.theme-dark .page-heading,
body.theme-dark .page-body {
  color: var(--page-text-color, #2a241d);
}

.page.layout-imageText .page-image {
  display: block;
  min-height: 0;
  height: 100%;
}

.page.layout-imageText {
  grid-template-rows: 50% minmax(0, 1fr) auto;
}

.page.layout-imageText .page-content {
  height: var(--page-text-height, 46%);
}

.page.layout-completedPage .page-image {
  position: absolute;
  inset: 0;
  display: block;
}

.spread-stage.bleed-safe .page.layout-completedPage.placement-fit .page-image {
  inset: var(--bleed);
}

.spread-stage.bleed-safe .page.layout-completedPage.placement-spreadFitLeft .page-image {
  inset: var(--bleed) 0 var(--bleed) var(--bleed);
}

.spread-stage.bleed-safe .page.layout-completedPage.placement-spreadFitRight .page-image {
  inset: var(--bleed) var(--bleed) var(--bleed) 0;
}

.page.layout-completedPage .page-content,
.page.layout-completedPage .page-number {
  display: none;
}

.page.layout-fullImage .page-image {
  position: absolute;
  inset: 0;
  display: block;
}

.page.layout-fullImage .page-content {
  padding: 12px;
}

.page.caption-softBox .page-content,
.preview-page.caption-softBox .preview-content {
  background: rgba(var(--page-text-box, 255, 250, 242), 0.86);
  border: 1px solid rgba(32, 33, 36, 0.16);
  border-radius: 7px;
}

.page.caption-captionBand .page-content,
.preview-page.caption-captionBand .preview-content {
  background: linear-gradient(90deg, rgba(32, 33, 36, 0.78), rgba(32, 33, 36, 0.52));
}

.page.caption-captionBand .page-heading,
.page.caption-captionBand .page-body,
.preview-page.caption-captionBand .preview-content {
  color: #fffaf2;
}

.page.caption-titleCard .page-content,
.preview-page.caption-titleCard .preview-content {
  padding: 18px;
  background: rgba(var(--page-text-box, 255, 250, 242), 0.9);
  border: 3px double rgba(32, 33, 36, 0.34);
  text-align: center;
}

.page.text-frame-simple .page-content,
.preview-page.text-frame-simple .preview-content {
  border-color: var(--page-text-frame);
}

.page.text-frame-double .page-content,
.preview-page.text-frame-double .preview-content {
  border-color: var(--page-text-frame);
  border-style: double;
  border-width: 4px;
}

.page.text-frame-none .page-content,
.preview-page.text-frame-none .preview-content {
  border-color: transparent;
}

.page.text-frame-ornate .page-content,
.preview-page.text-frame-ornate .preview-content {
  border-color: var(--page-text-frame);
  box-shadow: inset 0 0 0 1px rgba(255, 250, 242, 0.58), 0 0 0 1px var(--page-text-frame);
}

.page.text-frame-flourish .page-content,
.preview-page.text-frame-flourish .preview-content {
  border-color: var(--page-text-frame);
  box-shadow: inset 0 0 0 4px rgba(var(--page-text-box), 0.54), inset 0 0 0 6px var(--page-text-frame);
}

.page.text-frame-plaque .page-content,
.preview-page.text-frame-plaque .preview-content {
  border-color: var(--page-text-frame);
  border-width: 3px;
  border-radius: 2px;
  box-shadow: inset 0 0 0 1px rgba(255, 250, 242, 0.68), 0 12px 24px rgba(32, 33, 36, 0.18);
}

.page.text-frame-ribbon .page-content,
.preview-page.text-frame-ribbon .preview-content {
  border-width: 0;
  border-radius: 0;
  background: linear-gradient(var(--page-text-frame), var(--page-text-frame)) top/100% 9px no-repeat, linear-gradient(var(--page-text-frame), var(--page-text-frame)) bottom/100% 9px no-repeat, rgba(var(--page-text-box), var(--page-text-box-opacity));
  box-shadow: 0 0 0 1px var(--page-text-frame);
}

.page.text-frame-ticket .page-content,
.preview-page.text-frame-ticket .preview-content {
  border-color: var(--page-text-frame);
  border-style: dashed;
  border-width: 3px;
  border-radius: 14px;
}

.page.text-frame-shadow .page-content,
.preview-page.text-frame-shadow .preview-content {
  border-color: rgba(255, 250, 242, 0.36);
  box-shadow: 0 14px 32px rgba(32, 33, 36, 0.28), inset 0 0 0 1px rgba(255, 250, 242, 0.45);
}

.page.back-cover-design .page-content {
  position: absolute;
  left: var(--blurb-x);
  top: var(--blurb-y);
  z-index: 6;
  width: var(--blurb-width);
  height: var(--blurb-height);
  max-height: calc(100% - (var(--bleed) * 2));
  margin: 0;
  padding: clamp(10px, 4%, 22px);
  overflow: hidden;
  background: rgba(var(--blurb-bg), var(--blurb-opacity));
  border: 2px solid var(--blurb-frame);
  border-radius: 6px;
  transform: translate(-50%, -50%);
  text-align: var(--blurb-align);
}

.page.back-cover-design .barcode-box,
.preview-page.back-cover-design .barcode-box {
  position: absolute;
  left: var(--barcode-x);
  top: var(--barcode-y);
  z-index: 5;
  display: grid;
  gap: 3px;
  align-content: center;
  justify-items: center;
  width: var(--barcode-width);
  height: var(--barcode-height);
  padding: 6px;
  color: rgba(32, 33, 36, 0.62);
  background: rgba(255, 255, 255, 0.86);
  border: 2px dashed rgba(32, 33, 36, 0.5);
  transform: translate(-50%, -50%);
  font-size: 10px;
  font-weight: 800;
  line-height: 1.1;
  text-align: center;
  pointer-events: none;
}

.page.back-cover-design .barcode-box[hidden],
.preview-page.back-cover-design .barcode-box[hidden] {
  display: none;
}

.barcode-lines {
  width: 82%;
  height: 32%;
  min-height: 18px;
  background:
    repeating-linear-gradient(90deg, #222 0 2px, transparent 2px 4px, #222 4px 5px, transparent 5px 8px);
}

.barcode-isbn,
.barcode-price,
.barcode-category {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.page.back-cover-design.blurb-frame-double .page-content {
  border-width: 4px;
  border-style: double;
}

.page.back-cover-design.blurb-frame-none .page-content {
  border-color: transparent;
}

.page.back-cover-design.blurb-frame-ornate .page-content {
  box-shadow:
    inset 0 0 0 1px rgba(255, 250, 242, 0.58),
    0 0 0 1px var(--blurb-frame);
}

.page.back-cover-design.blurb-frame-ornate .page-content::before,
.page.back-cover-design.blurb-frame-ornate .page-content::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  border-color: var(--blurb-frame);
  pointer-events: none;
}

.page.back-cover-design.blurb-frame-ornate .page-content::before {
  top: 6px;
  left: 6px;
  border-top: 2px solid;
  border-left: 2px solid;
}

.page.back-cover-design.blurb-frame-ornate .page-content::after {
  right: 6px;
  bottom: 6px;
  border-right: 2px solid;
  border-bottom: 2px solid;
}

.page.back-cover-design.blurb-frame-flourish .page-content {
  border-width: 1px;
  box-shadow:
    inset 0 0 0 4px rgba(var(--blurb-bg), 0.54),
    inset 0 0 0 6px var(--blurb-frame);
}

.page.back-cover-design.blurb-frame-plaque .page-content {
  border-width: 3px;
  border-radius: 2px;
  box-shadow:
    inset 0 0 0 1px rgba(255, 250, 242, 0.68),
    0 12px 24px rgba(32, 33, 36, 0.18);
}

.page.back-cover-design.blurb-frame-ribbon .page-content {
  border-width: 0;
  border-radius: 0;
  background:
    linear-gradient(var(--blurb-frame), var(--blurb-frame)) top / 100% 9px no-repeat,
    linear-gradient(var(--blurb-frame), var(--blurb-frame)) bottom / 100% 9px no-repeat,
    rgba(var(--blurb-bg), var(--blurb-opacity));
  box-shadow: 0 0 0 1px var(--blurb-frame);
}

.page.back-cover-design.blurb-frame-ticket .page-content {
  border-style: dashed;
  border-width: 3px;
  border-radius: 14px;
}

.page.back-cover-design.blurb-frame-shadow .page-content {
  border-color: rgba(255, 250, 242, 0.36);
  box-shadow:
    0 14px 32px rgba(32, 33, 36, 0.28),
    inset 0 0 0 1px rgba(255, 250, 242, 0.45);
}

.page.back-cover-design .page-heading,
.page.back-cover-design .page-body {
  color: var(--blurb-text);
  font-family: var(--blurb-font);
  text-align: var(--blurb-align);
}

.page.back-cover-design .page-heading {
  font-size: calc(var(--blurb-size) * 1.35);
}

.page.back-cover-design .page-body {
  font-size: var(--blurb-size);
  overflow: auto;
}

.page.layout-chapter .page-content {
  align-content: center;
  text-align: center;
}

.page.layout-chapter .page-heading {
  font-size: calc(var(--page-text-size, var(--font-size)) * 2);
}

.page-number {
  position: relative;
  z-index: 5;
  min-height: 28px;
  padding: 0 var(--margin) max(10px, calc(var(--margin-bottom) * 0.45));
  color: rgba(32, 33, 36, 0.58);
  font-size: 12px;
  font-weight: 700;
}

.left-page .page-number {
  text-align: left;
}

.right-page .page-number {
  text-align: right;
}

.notes {
  padding: 10px;
  background: rgba(255, 250, 242, 0.72);
  border: 1px solid var(--line);
  border-radius: 8px;
}

body.theme-dark .notes {
  background: rgba(31, 33, 31, 0.72);
}

.notes textarea {
  min-height: 46px;
  padding: 10px;
  resize: vertical;
}

.proof-panel p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

@media (max-width: 980px) {
  body {
    height: auto;
    overflow: auto;
  }

  .app-shell {
    grid-template-columns: 1fr;
    height: auto;
  }

  .sidebar {
    grid-column: 1;
    grid-row: 2;
    max-height: none;
    height: auto;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .workspace {
    grid-column: 1;
    grid-row: 1;
    padding: 16px;
    overflow: visible;
  }

  .toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .organizer-bar {
    grid-template-columns: 1fr;
  }

  .insert-tools {
    justify-content: flex-start;
  }

  .export-options {
    grid-template-columns: 1fr;
  }

  .spread-stage {
    --page-w: min(46vw, 330px);
    padding: 12px;
  }
}

@media (max-width: 640px) {
  .spread-stage {
    grid-template-columns: min(84vw, 330px);
  }

  .page.left-page,
  .page.right-page {
    border-radius: 6px;
  }
}

@media print {
  @page page-6x9 {
    size: 6in 9in;
    margin: 0;
  }

  @page page-5x8 {
    size: 5in 8in;
    margin: 0;
  }

  @page page-8-5x11 {
    size: 8.5in 11in;
    margin: 0;
  }

  @page page-square {
    size: 8in 8in;
    margin: 0;
  }

  body {
    background: #fff;
    height: auto;
    overflow: visible;
  }

  .sidebar,
  .toolbar,
  .notes {
    display: none;
  }

  .app-shell,
  .workspace {
    display: block;
    padding: 0;
  }

  .spread-stage {
    display: grid;
    grid-template-columns: 1fr;
    padding: 0;
    border: 0;
    overflow: visible;
    background: #fff;
  }

  .print-6x9 .spread-stage {
    page: page-6x9;
  }

  .print-5x8 .spread-stage {
    page: page-5x8;
  }

  .print-8-5x11 .spread-stage {
    page: page-8-5x11;
  }

  .print-square .spread-stage {
    page: page-square;
  }

  .page {
    width: 100vw;
    height: 100vh;
    box-shadow: none;
    break-after: page;
    break-inside: avoid;
    border-radius: 0;
  }

  .bleed-guide,
  .safe-guide,
  .bleed-zone,
  .image-resize-handle {
    display: none;
  }
}