:root {
  --bg: #f5f1ea;
  --surface: #fbf8f2;
  --surface-strong: #fffdf9;
  --surface-muted: #efe8dc;
  --border: rgba(30, 35, 41, 0.12);
  --border-strong: rgba(30, 35, 41, 0.22);
  --text: #1e2329;
  --muted: #66707b;
  --accent: #1d4d45;
  --accent-soft: #e3efe9;
  --shadow: none;
  --shadow-soft: none;
  --radius-lg: 0;
  --radius-md: 0;
  --radius-sm: 0;
  --catalogue-topbar-height: 0px;
  --catalogue-controls-height: 0px;
  --mobile-bottom-bar-height: 0px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, #fcf9f4 0%, var(--bg) 100%);
  color: var(--text);
  font-family: "Avenir Next", "Helvetica Neue", Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.app-shell {
  position: relative;
  z-index: 1;
  width: min(1320px, calc(100vw - 2rem));
  margin: 0 auto;
  padding: 1.25rem 0 5rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding: 0.2rem 0 1rem;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(252, 249, 244, 0.98), rgba(245, 241, 234, 0.94));
  backdrop-filter: blur(14px);
  transition:
    padding 160ms ease,
    gap 160ms ease,
    margin-bottom 160ms ease,
    border-color 160ms ease,
    background-color 160ms ease;
}

.brand-block,
.stack {
  display: grid;
  gap: 1rem;
}

.stack.compact {
  gap: 0.35rem;
}

.brand-kicker,
.eyebrow,
.meta-line,
.section-subtitle,
.tagline,
.field label,
.meta-label {
  color: var(--muted);
}

.brand-kicker,
.eyebrow.strong,
.brand {
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-kicker,
.eyebrow.strong {
  font-size: 0.76rem;
  font-weight: 700;
  transition: opacity 140ms ease, transform 140ms ease, max-height 140ms ease;
}

.brand {
  display: inline-block;
  font-size: clamp(1.35rem, 2vw, 1.8rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: font-size 160ms ease, letter-spacing 160ms ease;
}

.tagline {
  margin: 0;
  max-width: 36rem;
  font-size: 0.95rem;
}

.topbar-actions,
.topbar-nav,
.topbar-utility,
.toolbar,
.inline-form,
.result-actions,
.form-actions,
.hero-header,
.hero-actions,
.toolbar-end,
.card-actions,
.filter-strip,
.detail-actions,
.detail-header {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.topbar-actions {
  width: 100%;
  justify-content: flex-end;
  gap: 1rem;
}

.topbar-nav,
.topbar-utility {
  align-items: center;
}

.topbar-utility {
  margin-left: auto;
}

.nav-link,
.nav-button,
.button,
.filter-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 0;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition:
    background-color 140ms ease,
    border-color 140ms ease,
    color 140ms ease,
    min-height 160ms ease,
    padding 160ms ease;
}

.nav-link:hover,
.nav-button:hover,
.button:hover,
.filter-chip:hover {
  background: rgba(29, 77, 69, 0.06);
}

.nav-link.active,
.filter-chip.active,
.button.primary,
.nav-button,
.pill.strong {
  background: var(--accent);
  border-color: var(--accent);
  color: #f8fbf9;
}

.button.subtle,
.button.ghost {
  background: var(--surface-muted);
  box-shadow: none;
}

.button.danger {
  background: rgba(141, 49, 41, 0.12);
  border-color: #8d3129;
  color: #8d3129;
}

.button.danger:hover {
  background: rgba(141, 49, 41, 0.18);
  border-color: #8d3129;
  color: #74231a;
}

.nav-button {
  box-shadow: none;
}

.flash,
.card,
.hero,
.auth-card,
.form-panel,
.meta-card,
.cover-card,
.empty-state {
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  backdrop-filter: none;
}

.hero,
.card,
.auth-card,
.form-panel {
  padding: 0;
}

.hero {
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.flash {
  margin-bottom: 1rem;
  padding: 0.2rem 0 0.2rem 1rem;
  border-left: 3px solid var(--border-strong);
}

.flash.alert {
  color: #8d3129;
}

.page,
.stats,
.catalogue-controls,
.search-panel,
.form-grid,
.detail-layout,
.metadata-grid,
.lookup-results,
.shelf-grid,
.cover-grid,
.editor-layout,
.integration-list {
  display: grid;
  gap: 1rem;
}

.page {
  gap: 2rem;
}

.page-title {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.75rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.section-title {
  margin: 0;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  letter-spacing: -0.03em;
}

.section-subtitle {
  margin: 0;
  max-width: 48rem;
  font-size: 1rem;
}

.hero-header {
  justify-content: space-between;
  align-items: end;
}

.stats {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stat {
  padding: 1rem 0 0;
  border-top: 1px solid var(--border);
}

.stat-value {
  display: block;
  margin-bottom: 0.25rem;
  font-size: clamp(2rem, 3vw, 2.5rem);
  line-height: 1;
  font-weight: 700;
}

.catalogue-controls {
  gap: 1rem;
  position: sticky;
  top: calc(var(--catalogue-topbar-height) + 0.35rem);
  z-index: 30;
  padding-top: 0.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(252, 249, 244, 0.97), rgba(245, 241, 234, 0.94));
  backdrop-filter: blur(14px);
  transition:
    top 160ms ease,
    gap 160ms ease,
    padding-top 160ms ease,
    padding-bottom 160ms ease,
    border-color 160ms ease,
    background-color 160ms ease;
}

.search-panel {
  grid-template-columns: minmax(0, 2.4fr) minmax(12rem, 1fr) minmax(10rem, 0.9fr) auto;
  align-items: end;
  transition: grid-template-columns 160ms ease, gap 160ms ease;
}

.search-bar-shell {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 3.2rem;
  padding: 0.15rem 0.3rem 0.15rem 0.85rem;
  border: 1px solid var(--border-strong);
  background: var(--surface-strong);
}

.search-bar-icon,
.search-bar-clear {
  color: var(--muted);
}

.search-bar-icon {
  flex: 0 0 auto;
  font-size: 1rem;
  line-height: 1;
}

.search-bar-shell input {
  min-height: 0;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.search-bar-shell input:focus {
  outline: none;
}

.search-bar-shell:focus-within {
  outline: 2px solid rgba(29, 77, 69, 0.18);
  outline-offset: 2px;
  border-color: rgba(29, 77, 69, 0.4);
}

.search-bar-clear {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  min-width: 2.2rem;
  min-height: 2.2rem;
  border: 0;
  background: transparent;
  font-size: 1.1rem;
  cursor: pointer;
}

.search-primary-actions,
.search-secondary-actions {
  justify-content: flex-end;
}

.mobile-status-filter {
  display: none;
}

.mobile-catalogue-tabs,
.mobile-advanced-filters {
  display: none;
}

.mobile-scan-trigger {
  display: none;
}

.field {
  display: grid;
  gap: 0.4rem;
}

.field label,
.meta-label {
  font-size: 0.88rem;
  font-weight: 600;
  transition: font-size 160ms ease, letter-spacing 160ms ease, opacity 160ms ease;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  min-height: 3.2rem;
  padding: 0.9rem 0.95rem;
  border: 1px solid var(--border-strong);
  border-radius: 0;
  background: var(--surface-strong);
  color: var(--text);
  box-shadow: none;
  transition:
    min-height 160ms ease,
    padding 160ms ease,
    border-color 160ms ease,
    background-color 160ms ease;
}

.field textarea {
  min-height: 9rem;
  resize: vertical;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: 2px solid rgba(29, 77, 69, 0.18);
  outline-offset: 2px;
  border-color: rgba(29, 77, 69, 0.4);
}

.field.full {
  grid-column: 1 / -1;
}

.filter-strip {
  gap: 0.6rem;
}

.filter-chip {
  min-height: 2.5rem;
  padding: 0.55rem 0.85rem;
  font-size: 0.94rem;
  border-width: 0 0 1px;
  padding-left: 0;
  padding-right: 0;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
}

.catalogue-view-switch {
  margin-left: auto;
  align-self: flex-start;
  gap: 1rem;
}

.catalogue-view-form {
  margin: 0;
}

.mobile-catalogue-tab-form {
  margin: 0;
}

.catalogue-page .topbar::after,
.catalogue-page .catalogue-controls::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
  opacity: 0;
  transition: opacity 160ms ease;
}

.catalogue-page .topbar {
  position: sticky;
}

.catalogue-page .catalogue-controls {
  position: sticky;
}

.catalogue-page.catalogue-condensed .topbar {
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  padding-bottom: 0.65rem;
}

.catalogue-page.catalogue-condensed .topbar::after,
.catalogue-page.catalogue-condensed .catalogue-controls::after {
  opacity: 1;
}

.catalogue-page.catalogue-condensed .brand-kicker {
  opacity: 0;
  transform: translateY(-0.25rem);
  max-height: 0;
  overflow: hidden;
}

.catalogue-page.catalogue-condensed .brand {
  font-size: clamp(1.1rem, 1.4vw, 1.35rem);
  letter-spacing: 0.06em;
}

.catalogue-page.catalogue-condensed .topbar-actions {
  gap: 0.75rem;
}

.catalogue-page.catalogue-condensed .nav-link,
.catalogue-page.catalogue-condensed .nav-button,
.catalogue-page.catalogue-condensed .topbar-utility .button {
  min-height: 2.45rem;
  padding: 0.55rem 0.8rem;
}

.catalogue-page.catalogue-condensed .catalogue-controls {
  gap: 0.65rem;
  padding-top: 0;
  padding-bottom: 0.8rem;
}

.catalogue-page.catalogue-condensed .search-panel {
  grid-template-columns: minmax(0, 2.8fr) minmax(9rem, 0.85fr) minmax(9rem, 0.85fr) auto;
  gap: 0.75rem;
}

.catalogue-page.catalogue-condensed .field label {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.catalogue-page.catalogue-condensed .search-panel .field input,
.catalogue-page.catalogue-condensed .search-panel .field select,
.catalogue-page.catalogue-condensed .search-panel .toolbar-end .button {
  min-height: 2.65rem;
}

.catalogue-page.catalogue-condensed .search-panel .field input,
.catalogue-page.catalogue-condensed .search-panel .field select {
  padding: 0.6rem 0.8rem;
}

.catalogue-page.catalogue-condensed .toolbar-end {
  gap: 0.5rem;
}

.sort-direction-button {
  min-width: 2.9rem;
  padding-left: 0.7rem;
  padding-right: 0.7rem;
  font-size: 1.05rem;
  line-height: 1;
}

.detail-header {
  justify-content: space-between;
  align-items: end;
}

.detail-actions {
  justify-content: flex-end;
}

.cover-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  align-items: start;
}

.catalog-pages {
  display: grid;
  gap: 1rem;
  align-items: start;
}

.catalog-page {
  display: block;
}

.catalog-page-skeleton {
  opacity: 0.94;
}

.cover-grid-skeleton {
  pointer-events: none;
}

.skeleton-card {
  border-top-color: rgba(127, 109, 89, 0.16);
}

.skeleton-card .cover-frame {
  background:
    linear-gradient(135deg, rgba(246, 239, 228, 0.96), rgba(224, 210, 188, 0.92));
}

.skeleton-card .cover-frame::before {
  border-color: rgba(255, 255, 255, 0.52);
  box-shadow: 0 18px 42px rgba(73, 50, 29, 0.1);
}

.skeleton-line {
  display: block;
  border-radius: 999px;
  background:
    linear-gradient(90deg, rgba(222, 209, 193, 0.7), rgba(247, 243, 236, 0.95), rgba(222, 209, 193, 0.7));
  background-size: 220% 100%;
  animation: skeleton-shimmer 1.2s ease-in-out infinite;
}

.skeleton-line-short {
  width: 44%;
  min-height: 0.8rem;
}

.skeleton-line-medium {
  width: 72%;
  min-height: 0.88rem;
}

.skeleton-line-title {
  width: 88%;
  min-height: 1.15rem;
}

@keyframes skeleton-shimmer {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

.catalog-spacer {
  width: 100%;
  height: 0;
}

.cover-card {
  overflow: hidden;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

.cover-card-link {
  display: grid;
  gap: 1rem;
  height: 100%;
  align-content: start;
}

.cover-image-link {
  display: block;
  width: 100%;
  height: 100%;
  isolation: isolate;
}

.cover-frame {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 18%, rgba(255, 255, 255, 0.36), transparent 32%),
    linear-gradient(160deg, #fbf8f2, #cabca5);
}

.catalogue-cover-frame {
  background:
    radial-gradient(circle at 18% 18%, var(--catalog-cover-glow, rgba(255, 255, 255, 0.36)), transparent 32%),
    linear-gradient(160deg, var(--catalog-cover-top, #fbf8f2), var(--catalog-cover-bottom, #cabca5));
}

.cover-frame::before {
  content: "";
  position: absolute;
  inset: 0%;
  border: 10px solid rgba(252, 252, 252, 0.39);
  box-shadow: 0 18px 42px rgba(73, 50, 29, 0.16);
  pointer-events: none;
  z-index: 3;
}

.cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cover-frame img.cover {
  position: absolute;
  left: 50%;
  top: 0;
  width: 112%;
  height: 112%;
  object-fit: cover;
  transform: translateX(-50%) rotate(-5deg) scale(1);
  transform-origin: center center;
  transition: transform 180ms ease, box-shadow 180ms ease;
  z-index: 1;
}

.cover-large {
  min-height: 20rem;
}

.detail-cover {
  max-width: 21rem;
  aspect-ratio: 2 / 3;
  border-radius: 0;
  box-shadow: none;
}

.cover-upload-trigger {
  display: block;
  padding: 0;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.cover-upload-trigger .detail-cover {
  transition: opacity 140ms ease;
}

.cover-upload-trigger:hover .detail-cover {
  opacity: 0.9;
}

.cover.placeholder {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  padding: 1rem;
  text-align: center;
  color: var(--muted);
  background: linear-gradient(180deg, #ece3d4, #d9c4a7);
}

.cover-frame .cover.placeholder {
  position: absolute;
  inset: 8% 10% 10%;
  width: auto;
  height: auto;
  background: transparent;
  box-shadow: none;
}

.book-placeholder {
  background: linear-gradient(180deg, #ece3d4, #d9c4a7);
}

.series-placeholder {
  background: linear-gradient(180deg, #d9e6e1, #b9cec6);
}

@media (hover: hover) and (pointer: fine) {
  .cover-frame:hover img.cover,
  .cover-frame:focus-within img.cover {
    transform: translateX(-50%) rotate(-3deg) scale(1.05);
    box-shadow: 0 24px 44px rgba(31, 23, 14, 0.34);
  }
}

.status-badge {
  position: absolute;
  left: 3.8rem;
  top: 0.8rem;
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.35rem 0.7rem;
  border-radius: 0;
  background: rgba(25, 31, 35, 0.72);
  color: white;
  font-size: 0.82rem;
  font-weight: 600;
  backdrop-filter: blur(12px);
  z-index: 3;
}

.status-badge.action-badge {
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.status-badge.action-badge:hover,
.status-badge.action-badge:focus-visible {
  background: rgba(29, 77, 69, 0.92);
  color: #f8fbf9;
}

.select-toggle-overlay {
  position: absolute;
  left: 0.8rem;
  top: 0.8rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  min-height: 2.25rem;
  padding: 0.2rem;
  margin: 0;
  border: 1px solid rgba(255, 255, 255, 0.32);
  background: rgba(25, 31, 35, 0.72);
  backdrop-filter: blur(12px);
  cursor: pointer;
  z-index: 3;
}

.select-toggle-overlay .selection-input {
  position: absolute;
  inset: 0;
  width: 0;
  height: 0;
  margin: 0;
  padding: 0;
  overflow: hidden;
  visibility: hidden;
  pointer-events: none;
}

.select-toggle-box {
  display: inline-flex;
  width: 1rem;
  height: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.92);
  background: transparent;
  transition: background-color 120ms ease, border-color 120ms ease, transform 120ms ease;
}

.select-toggle-overlay.selected {
  background: #fff;
  border-color: #fff;
  transform: scale(1.02);
}

.cover-upscale-badge {
  position: absolute;
  right: 0.8rem;
  top: 0.8rem;
  min-width: 2.25rem;
  min-height: 2.25rem;
  padding: 0.35rem 0.55rem;
  border: 0;
  background: rgba(29, 77, 69, 0.92);
  color: #f8fbf9;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.cover-upscale-badge:disabled {
  opacity: 0.55;
  cursor: progress;
}

.cover-copy,
.card-actions {
  padding: 0 0 0.25rem;
}

.cover-copy {
  display: grid;
  align-content: start;
  gap: 0.35rem;
}

.card-title {
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.meta-line {
  margin: 0;
  font-size: 0.94rem;
}

.meta-link {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 120ms ease, color 120ms ease;
}

.meta-link:hover,
.meta-link:focus-visible {
  color: var(--text);
  border-color: currentColor;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.3rem 0.65rem;
  border-radius: 0;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
}

.detail-layout,
.editor-layout {
  grid-template-columns: minmax(16rem, 22rem) minmax(0, 1fr);
  align-items: start;
}

.metadata-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.meta-card {
  padding: 1rem 0;
  border-radius: 0;
  border-top: 1px solid var(--border);
  box-shadow: none;
}

.meta-card p {
  margin: 0;
}

.preview-panel {
  align-content: start;
}

.ownership-form .form-actions {
  padding-top: 0.25rem;
}

.ownership-toggle-list {
  display: grid;
  gap: 0.5rem;
}

.batch-toolbar {
  display: grid;
  position: fixed;
  left: 50%;
  bottom: 1rem;
  transform: translateX(-50%) translateY(calc(100% + 1rem));
  width: min(1240px, calc(100vw - 2rem));
  z-index: 20;
  grid-template-columns: minmax(14rem, 1.2fr) minmax(14rem, 1.2fr) repeat(2, minmax(11rem, 1fr)) auto;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(251, 248, 242, 0.96), rgba(245, 241, 234, 0.96));
  backdrop-filter: blur(14px);
  opacity: 0;
  pointer-events: none;
  max-height: 0;
  overflow: hidden;
  transition:
    transform 180ms ease,
    opacity 180ms ease,
    max-height 180ms ease,
    border-color 180ms ease;
}

.batch-toolbar.selection-active,
.batch-toolbar[data-selection-visible="true"] {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
  max-height: 18rem;
}

.online-results-toolbar {
  display: grid;
  position: fixed;
  left: 50%;
  bottom: 1rem;
  transform: translateX(-50%) translateY(calc(100% + 1rem));
  width: min(1240px, calc(100vw - 2rem));
  z-index: 22;
  grid-template-columns: minmax(14rem, 1.2fr) auto minmax(14rem, 1fr) minmax(12rem, 1fr) auto;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(251, 248, 242, 0.96), rgba(245, 241, 234, 0.96));
  backdrop-filter: blur(14px);
  opacity: 0;
  pointer-events: none;
  max-height: 0;
  overflow: hidden;
  transition:
    transform 180ms ease,
    opacity 180ms ease,
    max-height 180ms ease,
    border-color 180ms ease;
}

.online-results-toolbar.selection-active,
.online-results-toolbar[data-selection-visible="true"] {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
  max-height: 14rem;
}

.online-results-toolbar.selection-active {
  border-color: var(--border-strong);
}

.batch-toolbar.selection-active {
  border-color: var(--border-strong);
}

.batch-selection-meta,
.batch-field-group {
  display: grid;
  gap: 0.5rem;
}

.selection-count-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.selection-count {
  font-size: 1.4rem;
  line-height: 1;
}

.selection-clear-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  min-width: 2.2rem;
  min-height: 2.2rem;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 1.25rem;
  cursor: pointer;
}

.selectable-card {
  position: relative;
}

.selectable-card.selected {
  border-color: var(--accent);
}

.selectable-card .cover-card-link {
  transition: opacity 140ms ease;
}

.selectable-card.selected .cover-card-link {
  opacity: 0.92;
}

.select-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding-bottom: 0.75rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.bulk-select-toggle {
  min-height: 3.2rem;
  padding: 0.9rem 0.95rem;
  border: 1px solid var(--border-strong);
  background: var(--surface-strong);
}

.quick-batch-actions {
  align-items: stretch;
}

.cover-search-modal {
  width: min(1080px, calc(100vw - 2rem));
  border: 1px solid var(--border-strong);
  padding: 1.5rem;
  background: var(--surface);
  color: var(--text);
}

.cover-search-modal::backdrop {
  background: rgba(30, 35, 41, 0.45);
}

.modal-search-panel {
  grid-template-columns: minmax(0, 1fr) auto;
}

.cover-modal-results[aria-busy="true"] {
  position: relative;
  opacity: 0.68;
  pointer-events: none;
}

.cover-modal-results[aria-busy="true"]::after {
  content: attr(data-loading-message);
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 1rem;
  text-align: center;
  color: var(--text);
  font-weight: 600;
  background: rgba(252, 249, 244, 0.72);
  backdrop-filter: blur(4px);
}

.modal-cover-grid {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.cover-choice-grid {
  display: grid;
  gap: 0.75rem;
}

.cover-choice {
  display: grid;
  gap: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.choice-cover {
  aspect-ratio: 2 / 3;
  width: 100%;
  max-width: 10rem;
}

.hidden {
  display: none !important;
}

.catalog-load-sentinel {
  width: 100%;
  height: 1px;
}

.catalog-load-status {
  padding-top: 0.5rem;
  color: var(--muted);
  text-align: center;
}

.catalog-search-status {
  align-self: center;
  color: var(--muted);
  white-space: nowrap;
}

.mobile-bottom-bar {
  display: none;
}

.mobile-topbar-menu {
  display: none;
}

.mobile-menu-form {
  margin: 0;
}

.mobile-menu-trigger,
.mobile-menu-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.mobile-menu-link {
  min-height: 2.85rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--border);
  background: rgba(255, 253, 249, 0.9);
  color: var(--text);
  justify-content: flex-start;
}

.mobile-menu-link.danger {
  color: #8d3129;
}

.mobile-nav-icon {
  font-size: 1rem;
  line-height: 1;
}

.mobile-nav-icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.mobile-nav-icon svg {
  width: 1.25rem;
  height: 1.25rem;
  fill: currentColor;
}

.barcode-scanner-modal {
  width: min(30rem, calc(100vw - 1rem));
  border: 1px solid var(--border-strong);
  padding: 0;
  background: var(--surface);
  color: var(--text);
}

.barcode-scanner-modal::backdrop {
  background: rgba(30, 35, 41, 0.45);
}

.barcode-scanner-sheet {
  display: grid;
  gap: 1rem;
  padding: 1rem;
}

.barcode-scanner-topbar,
.barcode-scanner-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.barcode-scanner-close {
  width: 2.8rem;
  min-width: 2.8rem;
  min-height: 2.8rem;
  border: 1px solid var(--border);
  background: rgba(255, 253, 249, 0.82);
  font-size: 1.25rem;
  cursor: pointer;
}

.barcode-scanner-stage {
  display: grid;
  gap: 0.9rem;
}

.barcode-scanner-frame {
  position: relative;
  min-height: 22rem;
  overflow: hidden;
  background: #0f1418;
}

.barcode-scanner-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.barcode-scan-reticle {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
}

.barcode-scan-reticle::before {
  content: "";
  width: min(72vw, 18rem);
  height: min(34vw, 11rem);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 0 0 999px rgba(15, 20, 24, 0.34);
}

.barcode-corner {
  position: absolute;
  width: 1.6rem;
  height: 1.6rem;
  border-color: #ffffff;
  border-style: solid;
  border-width: 0;
}

.barcode-corner-tl {
  top: calc(50% - min(17vw, 5.5rem));
  left: calc(50% - min(36vw, 9rem));
  border-top-width: 3px;
  border-left-width: 3px;
}

.barcode-corner-tr {
  top: calc(50% - min(17vw, 5.5rem));
  right: calc(50% - min(36vw, 9rem));
  border-top-width: 3px;
  border-right-width: 3px;
}

.barcode-corner-bl {
  bottom: calc(50% - min(17vw, 5.5rem));
  left: calc(50% - min(36vw, 9rem));
  border-bottom-width: 3px;
  border-left-width: 3px;
}

.barcode-corner-br {
  bottom: calc(50% - min(17vw, 5.5rem));
  right: calc(50% - min(36vw, 9rem));
  border-bottom-width: 3px;
  border-right-width: 3px;
}

.barcode-scanner-status-card {
  display: grid;
  gap: 0.45rem;
  padding: 0.9rem 1rem 1rem;
  border: 1px solid var(--border);
  background: rgba(255, 253, 249, 0.84);
}

.barcode-scanner-hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.barcode-scanner-debug {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.4;
}

.barcode-upload-trigger {
  flex: 1 1 auto;
}

.integration-item {
  border-top: 1px solid var(--border);
  padding: 0.25rem 0;
}

.integration-summary {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 0.75rem 0;
  cursor: pointer;
  list-style: none;
}

.integration-summary::-webkit-details-marker {
  display: none;
}

.integration-heading {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.settings-category-heading {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.settings-category-title {
  font-size: 1.15rem;
  letter-spacing: 0.01em;
}

.integration-item-title {
  font-weight: 600;
}

.integration-body {
  padding: 0 0 1rem;
  max-width: 42rem;
}

.integration-actions {
  padding-top: 0.5rem;
}

.toggle-field,
.switch-field {
  display: inline-flex;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  min-height: 3rem;
  padding: 0.25rem 0;
}

.toggle-field input[type="checkbox"] {
  width: 1.15rem;
  height: 1.15rem;
}

.m3-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 3.25rem;
  height: 2rem;
  cursor: pointer;
  flex: 0 0 auto;
}

.m3-switch input[type="checkbox"] {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
  z-index: 3;
}

.m3-switch input[type="hidden"] {
  display: none;
}

.m3-switch-track {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: #d6d0c6;
  border: 2px solid #8f8b83;
  transition: background-color 160ms ease, border-color 160ms ease;
}

.m3-switch-handle {
  position: absolute;
  top: 50%;
  left: 0.3rem;
  width: 1rem;
  height: 1rem;
  border-radius: 999px;
  background: #5b5a57;
  transform: translateY(-50%);
  transition: transform 180ms ease, width 160ms ease, height 160ms ease, background-color 160ms ease;
  z-index: 2;
}

.m3-switch input[type="checkbox"]:checked + .m3-switch-track {
  background: var(--accent);
  border-color: var(--accent);
}

.m3-switch input[type="checkbox"]:checked ~ .m3-switch-handle {
  background: #f8fbf9;
  transform: translate(1.25rem, -50%);
}

.m3-switch input[type="checkbox"]:focus-visible + .m3-switch-track {
  outline: 2px solid rgba(29, 77, 69, 0.22);
  outline-offset: 3px;
}

.integration-form.is-saving .m3-switch {
  opacity: 0.65;
}

.auth-wrap {
  min-height: 70vh;
  display: grid;
  place-items: center;
}

.auth-card {
  width: min(30rem, 100%);
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.empty-state {
  padding: 1.2rem 0 0;
  border-top: 1px solid var(--border);
}

.shelf-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.shelf-card {
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

@media (max-width: 980px) {
  .search-panel,
  .modal-search-panel,
  .batch-toolbar,
  .editor-layout,
  .detail-layout {
    grid-template-columns: 1fr;
  }

  .detail-cover,
  .preview-panel .detail-cover {
    max-width: 16rem;
  }

  .metadata-grid {
    grid-template-columns: 1fr;
  }

  .catalogue-page.catalogue-condensed .search-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .app-shell {
    width: min(100vw - 1.5rem, 100%);
    padding-top: 0.55rem;
    padding-bottom: calc(6.5rem + env(safe-area-inset-bottom, 0px));
  }

  .page > .card,
  .page > .hero,
  .page > .form-panel,
  .page > .empty-state {
    padding-left: 0.4rem;
    padding-right: 0.4rem;
  }

  .topbar,
  .topbar-actions,
  .topbar-nav,
  .topbar-utility,
  .toolbar,
  .result-actions,
  .form-actions,
  .hero-header,
  .hero-actions,
  .toolbar-end,
  .section-heading,
  .integration-summary,
  .detail-actions,
  .detail-header {
    flex-direction: column;
    align-items: stretch;
  }

  .topbar {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 0.45rem;
    margin-bottom: 0.65rem;
    padding: 0.1rem 0 0.55rem;
  }

  .brand-block {
    min-width: 0;
    flex: 1 1 auto;
  }

  .catalogue-controls {
    top: calc(var(--catalogue-topbar-height) + 0.25rem);
    gap: 0.6rem;
    padding-left: 0.35rem;
    padding-right: 0.35rem;
    padding-top: 0;
    padding-bottom: 0.65rem;
  }

  .page-title {
    font-size: clamp(2rem, 10vw, 2.8rem);
  }

  .stats,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .cover-grid,
  .shelf-grid {
    grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr));
  }

  .brand-kicker,
  .tagline,
  .stats,
  .section-subtitle {
    display: none;
  }

  .brand {
    font-size: 1.1rem;
    letter-spacing: 0.06em;
  }

  .topbar-actions {
    display: none;
  }

  .mobile-topbar-menu {
    position: relative;
    display: block;
    width: auto;
    margin-left: auto;
    flex: 0 0 auto;
  }

  .mobile-menu-trigger {
    width: auto;
    min-height: 2.75rem;
    padding: 0.65rem 0.9rem;
    border: 1px solid var(--border);
    background: rgba(255, 253, 249, 0.78);
    justify-content: center;
    gap: 0.45rem;
    list-style: none;
    cursor: pointer;
  }

  .mobile-topbar-menu > summary::-webkit-details-marker {
    display: none;
  }

  .mobile-menu-sheet {
    position: absolute;
    right: 0;
    min-width: 13rem;
    margin-top: 0.45rem;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    background: rgba(251, 248, 242, 0.98);
  }

  .hero-header {
    gap: 0.5rem;
  }

  .section-heading {
    gap: 0.6rem;
  }

  .section-title {
    font-size: 1rem;
  }

  .search-panel {
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 0.55rem;
    align-items: stretch;
  }

  .search-field {
    grid-column: 1 / -1;
  }

  .search-primary-actions {
    display: none;
  }

  .search-secondary-actions {
    display: none;
  }

  .search-panel .field label,
  .catalogue-view-switch .field label {
    font-size: 0.72rem;
    letter-spacing: 0.08em;
  }

  .search-panel .field input,
  .search-panel .field select,
  .search-panel .button,
  .catalogue-view-switch .field select,
  .filter-chip {
    min-height: 2.75rem;
    padding: 0.68rem 0.8rem;
  }

  .search-bar-shell {
    min-height: 3rem;
    padding-left: 0.8rem;
    padding-right: 0.2rem;
    background: rgba(255, 253, 249, 0.92);
  }

  .search-primary-actions .button {
    flex: 1 1 auto;
  }

  .search-secondary-actions .button,
  .search-secondary-actions .catalog-search-status {
    flex: 0 0 auto;
    white-space: nowrap;
  }

  .catalogue-view-switch {
    display: none;
  }

  .catalogue-view-form,
  .catalogue-view-switch .field,
  .catalogue-view-switch .filter-chip {
    flex: 0 0 auto;
    min-width: 8.5rem;
  }

  .search-sort-field {
    display: none;
  }

  .mobile-status-filter {
    display: grid;
  }

  .filter-strip {
    display: none;
  }

  .mobile-catalogue-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.5rem;
    padding-left: 0.35rem;
    padding-right: 0.35rem;
  }

  .mobile-catalogue-tab-form .filter-chip {
    width: 100%;
    min-width: 0;
    justify-content: center;
  }

  .mobile-advanced-filters {
    display: block;
    border-top: 1px solid var(--border);
    padding-left: 0.35rem;
    padding-right: 0.35rem;
    padding-top: 0.6rem;
  }

  .mobile-advanced-filters > summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 2.75rem;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    list-style: none;
  }

  .mobile-advanced-filters > summary::-webkit-details-marker {
    display: none;
  }

  .mobile-advanced-filters-body {
    display: grid;
    gap: 0.75rem;
    padding-top: 0.7rem;
  }

  .mobile-advanced-actions {
    justify-content: stretch;
  }

  .mobile-advanced-actions .button {
    width: 100%;
  }

  .mobile-bottom-bar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 60;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.55rem;
    padding: 0.7rem 0.8rem calc(0.7rem + env(safe-area-inset-bottom, 0px));
    border-top: 1px solid rgba(30, 35, 41, 0.08);
    background: rgba(251, 248, 242, 0.94);
    backdrop-filter: blur(18px);
    box-shadow: 0 -10px 30px rgba(30, 35, 41, 0.08);
    transition: transform 180ms ease, opacity 180ms ease;
  }

  .mobile-bottom-bar.mobile-bottom-bar-hidden {
    transform: translateY(calc(100% + env(safe-area-inset-bottom, 0px)));
    opacity: 0.92;
  }

  .mobile-bottom-link {
    position: relative;
    display: grid;
    place-items: center;
    gap: 0.18rem;
    min-height: 3.45rem;
    padding: 0.45rem 0.3rem 0.4rem;
    border: 0;
    background: transparent;
    color: rgba(30, 35, 41, 0.72);
    text-align: center;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    transition:
      color 160ms ease,
      transform 160ms ease;
  }

  .mobile-bottom-link.active,
  .mobile-bottom-link-primary {
    color: var(--accent);
  }

  .mobile-bottom-link::before {
    content: "";
    position: absolute;
    inset: 0.2rem 0.1rem 0.15rem;
    background: rgba(29, 77, 69, 0);
    transform: scale(0.9);
    opacity: 0;
    transition:
      opacity 180ms ease,
      transform 180ms ease,
      background-color 180ms ease;
  }

  .mobile-bottom-link.active::before,
  .mobile-bottom-link-primary::before {
    background: rgba(29, 77, 69, 0.12);
    transform: scale(1);
    opacity: 1;
  }

  .mobile-bottom-link .mobile-nav-icon-wrap,
  .mobile-bottom-link .mobile-bottom-label {
    position: relative;
    z-index: 1;
  }

  .mobile-bottom-link .mobile-nav-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    transform: translateY(0);
    transition:
      transform 180ms ease,
      color 180ms ease;
  }

  .mobile-bottom-link.active .mobile-nav-icon,
  .mobile-bottom-link-primary .mobile-nav-icon {
    transform: translateY(-0.08rem) scale(1.04);
  }

  .mobile-bottom-label {
    display: block;
    white-space: nowrap;
    transition:
      color 180ms ease,
      transform 180ms ease,
      opacity 180ms ease;
  }

  .mobile-bottom-link.active .mobile-bottom-label,
  .mobile-bottom-link-primary .mobile-bottom-label {
    transform: translateY(-0.04rem);
  }

  .barcode-scanner-modal {
    width: 100vw;
    max-width: none;
    min-height: 100vh;
    margin: 0;
    border: 0;
    background: rgba(11, 16, 18, 0.98);
    color: #f5f5f3;
  }

  .barcode-scanner-sheet {
    min-height: 100vh;
    padding: calc(0.8rem + env(safe-area-inset-top, 0px)) 0.9rem calc(1rem + env(safe-area-inset-bottom, 0px));
    grid-template-rows: auto 1fr;
  }

  .barcode-scanner-topbar {
    align-items: start;
  }

  .barcode-scanner-topbar .section-title,
  .barcode-scanner-topbar .eyebrow {
    color: #f5f5f3;
  }

  .barcode-scanner-close,
  .barcode-scanner-rescan.button.ghost {
    border-color: rgba(255, 255, 255, 0.16);
    background: rgba(255, 255, 255, 0.1);
    color: #f5f5f3;
  }

  .barcode-scanner-stage {
    align-content: space-between;
  }

  .barcode-scanner-frame {
    min-height: min(58vh, 30rem);
    border: 1px solid rgba(255, 255, 255, 0.08);
  }

  .barcode-scanner-status-card {
    border-color: rgba(255, 255, 255, 0.1);
    background: rgba(16, 24, 27, 0.92);
  }

  .barcode-scanner-status-card .meta-line,
  .barcode-scanner-hint {
    color: rgba(245, 245, 243, 0.82);
  }

  .barcode-scanner-actions {
    flex-wrap: wrap;
  }

  .barcode-upload-trigger,
  .barcode-scanner-actions .button {
    width: 100%;
  }

  .batch-toolbar {
    left: 0.75rem;
    right: 0.75rem;
    bottom: 0.85rem;
    width: auto;
    transform: translateY(calc(100% + 1rem));
    grid-template-columns: 1fr;
    gap: 0.85rem;
    z-index: 61;
  }

  .batch-toolbar.selection-active,
  .batch-toolbar[data-selection-visible="true"] {
    transform: translateY(0);
  }

  .batch-toolbar.batch-toolbar-with-bottom-nav {
    bottom: calc(var(--mobile-bottom-bar-height) + 1rem + env(safe-area-inset-bottom, 0px));
  }

  .batch-selection-meta .result-actions {
    display: flex;
    flex-wrap: nowrap;
  }

  .quick-batch-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.65rem;
  }

  .quick-batch-actions .button {
    width: 100%;
    min-width: 0;
  }
}

@media (max-width: 1120px) {
  .cover-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .batch-toolbar {
    transition: none;
  }
}

@media (max-width: 560px) {
  .app-shell {
    width: min(100vw - 1.25rem, 100%);
  }

  .page > .card,
  .page > .hero,
  .page > .form-panel,
  .page > .empty-state {
    padding-left: 0.55rem;
    padding-right: 0.55rem;
  }

  .catalogue-controls,
  .mobile-catalogue-tabs,
  .mobile-advanced-filters,
  .stats,
  .catalog-pages,
  .lookup-results,
  .detail-layout,
  .editor-layout,
  .shelf-grid,
  .cover-grid {
    padding-left: 0.4rem;
    padding-right: 0.4rem;
  }

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

  .button,
  .nav-link,
  .nav-button,
  .filter-chip {
    width: 100%;
  }

  .filter-chip {
    padding-left: 0;
    padding-right: 0;
  }

  .search-primary-actions,
  .search-secondary-actions,
  .catalogue-view-switch {
    width: 100%;
  }

  .search-primary-actions .button,
  .search-secondary-actions .button,
  .catalogue-view-switch .filter-chip {
    width: auto;
  }

  .search-bar-shell {
    min-height: 3.1rem;
  }
}

@media (max-width: 420px) {
  .cover-grid,
  .shelf-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .search-panel {
    grid-template-columns: 1fr;
  }

  .search-sort-field,
  .search-primary-actions,
  .search-secondary-actions {
    grid-column: 1 / -1;
  }

  .search-primary-actions {
    justify-content: stretch;
  }

  .search-primary-actions .button {
    width: 100%;
  }
}