:root {
  color-scheme: light;
  --bg: #f7f8fa;
  --panel: #ffffff;
  --panel-soft: #f0f4f3;
  --text: #1f2937;
  --muted: #667085;
  --line: #d7dee6;
  --accent: #0f766e;
  --accent-strong: #0b5f59;
  --accent-soft: #e4f3f1;
  --warm: #b42318;
  --blue: #2563eb;
  --mark: #fff3bf;
  --shadow: 0 14px 34px rgba(31, 41, 55, 0.08);
  --radius: 8px;
  --shell-cache: "jianbihua-shell-v1";
  --image-cache: "jianbihua-images-v1";
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  min-width: 320px;
}

html.modal-open {
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 16px;
}

body.modal-open {
  position: fixed;
  left: 0;
  right: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

button,
input {
  font: inherit;
}

button {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
}

button:disabled {
  cursor: wait;
  opacity: 0.58;
}

button:active:not(:disabled) {
  transform: translateY(1px);
}

.app-bar {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(215, 222, 230, 0.92);
  background: rgba(247, 248, 250, 0.94);
  backdrop-filter: blur(14px);
}

.bar-inner {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 14px 16px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-trigger {
  width: 38px;
  height: 38px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  padding: 0;
  border: 0;
  background: transparent;
  border-radius: 8px;
}

.brand-trigger:focus-visible {
  outline: 3px solid rgba(15, 118, 110, 0.22);
}

.brand img,
.brand-trigger img {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  display: block;
}

h1 {
  margin: 0;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: 0;
  white-space: nowrap;
}

.data-badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  max-width: 220px;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--panel-soft);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tabs {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  flex: 0 0 auto;
}

.tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 10px;
  border: 0;
  background: transparent;
  color: var(--muted);
  white-space: nowrap;
}

.tab.is-active {
  background: var(--accent);
  color: #ffffff;
}

.icon {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

main {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 18px 16px 44px;
}

.view[hidden] {
  display: none;
}

.home-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 14px;
  align-items: start;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.search-panel,
.library-entry,
.settings-panel,
.library-panel {
  padding: 16px;
}

.section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

h2,
h3 {
  margin: 0;
  letter-spacing: 0;
}

h2 {
  font-size: 18px;
  line-height: 1.3;
}

h3 {
  font-size: 15px;
  line-height: 1.35;
}

.meta {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
  text-align: right;
}

.search-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 44px;
  gap: 8px;
  margin-bottom: 12px;
}

.search-box {
  position: relative;
  min-width: 0;
}

.search-box .icon {
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  pointer-events: none;
}

input[type="search"] {
  width: 100%;
  height: 48px;
  padding: 0 14px 0 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  color: var(--text);
  outline: none;
  font-size: 17px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.4);
}

input[type="search"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.14);
}

.icon-button {
  width: 44px;
  height: 48px;
  display: inline-grid;
  place-items: center;
  padding: 0;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.home-status {
  min-height: 24px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.daily-topic {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.daily-card,
.anniversary-card {
  position: relative;
  min-height: 74px;
  width: 100%;
  display: grid;
  gap: 4px;
  padding: 11px 86px 11px 12px;
  text-align: left;
  overflow: hidden;
  background: #ffffff;
}

.anniversary-card {
  padding-right: 12px;
  border-color: rgba(180, 35, 24, 0.24);
  background: #fff8f6;
}

.daily-label {
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 750;
  line-height: 1.25;
}

.daily-main,
.anniversary-title {
  color: var(--text);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.daily-meta,
.anniversary-copy {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.daily-thumb {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 58px;
  height: 58px;
  border: 1px solid var(--line);
  border-radius: 7px;
  overflow: hidden;
  background: #ffffff;
}

.daily-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.chip,
.book-filter,
.category-filter {
  min-height: 34px;
  padding: 0 10px;
  color: var(--muted);
  background: #ffffff;
  white-space: nowrap;
}

.chip.is-active,
.book-filter.is-active,
.category-filter.is-active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-weight: 650;
}

.quick-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.stat-tile {
  min-height: 66px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfcfd;
}

.stat-value {
  display: block;
  color: var(--text);
  font-size: 20px;
  font-weight: 750;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.3;
}

.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 10px;
}

.book-card {
  min-height: 140px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
}

.book-title {
  margin: 0;
  font-size: 16px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.book-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.book-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--panel-soft);
}

.book-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  height: 38px;
  border-color: var(--accent);
  color: var(--accent-strong);
  background: var(--accent-soft);
  font-weight: 650;
}

.results-section {
  margin-top: 16px;
}

.result-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.result-groups {
  display: grid;
  gap: 14px;
}

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

.group-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 30px;
  color: var(--muted);
  font-size: 13px;
}

.group-title {
  color: var(--text);
  font-weight: 700;
}

.result-list,
.library-items {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 10px;
}

.result-card,
.category-card,
.item-card {
  min-height: 108px;
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  text-align: left;
  color: inherit;
}

.result-card:hover,
.category-card:hover,
.item-card:hover,
.book-card:hover {
  border-color: rgba(15, 118, 110, 0.5);
}

.thumb {
  width: 72px;
  height: 88px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f4f6f8;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.2;
  text-align: center;
}

.thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: #ffffff;
}

.thumb.has-image span {
  display: none;
}

.thumb.image-error span {
  display: block;
}

.thumb.image-error img {
  display: none;
}

.item-body {
  min-width: 0;
  display: grid;
  align-content: center;
  gap: 7px;
}

.item-name {
  min-width: 0;
  font-size: 17px;
  font-weight: 750;
  line-height: 1.28;
  overflow-wrap: anywhere;
}

.item-source {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.special-message-card {
  min-height: 86px;
  display: grid;
  align-content: center;
  gap: 6px;
  padding: 16px;
  border: 1px solid rgba(15, 118, 110, 0.22);
  border-radius: var(--radius);
  background: #fbfffe;
  color: var(--text);
  font-size: 20px;
  font-weight: 800;
  line-height: 1.35;
}

.easter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 10px;
}

.easter-card {
  min-height: 210px;
  display: grid;
  grid-template-rows: 132px minmax(0, 1fr);
  gap: 10px;
  padding: 10px;
  text-align: left;
  background: #ffffff;
}

.easter-thumb {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 7px;
  overflow: hidden;
  background: #f4f6f8;
}

.easter-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.easter-card-body {
  min-width: 0;
  display: grid;
  gap: 5px;
}

.item-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 2px 6px;
  border-radius: 999px;
  background: var(--panel-soft);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.25;
}

.tag.image-ok {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.tag.no-image {
  background: #fff1f0;
  color: var(--warm);
}

mark {
  padding: 0 2px;
  border-radius: 3px;
  background: var(--mark);
  color: inherit;
}

.empty-state {
  min-height: 138px;
  display: grid;
  align-content: center;
  gap: 12px;
  padding: 22px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.62);
  color: var(--muted);
}

.empty-title {
  color: var(--text);
  font-weight: 750;
  line-height: 1.4;
}

.library-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  min-width: 0;
}

.library-side {
  display: grid;
  gap: 12px;
  position: sticky;
  top: 88px;
  min-width: 0;
  overflow: hidden;
}

.filter-list {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.book-filter,
.category-filter {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  text-align: left;
}

.book-filter > span:first-child,
.category-filter > span:first-child {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.filter-count {
  flex: 0 0 auto;
  color: inherit;
  opacity: 0.72;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.library-main {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.library-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.settings-block {
  min-height: 210px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  display: grid;
  align-content: start;
  gap: 12px;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.action {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 0 12px;
  color: var(--accent-strong);
  border-color: rgba(15, 118, 110, 0.45);
  background: var(--accent-soft);
  font-weight: 650;
}

.action.secondary {
  color: var(--text);
  border-color: var(--line);
  background: var(--panel-soft);
}

.action.is-pausing {
  color: #991b1b;
  border-color: rgba(185, 28, 28, 0.42);
  background: #fee2e2;
}

.status-line,
.cache-progress,
.stats-list {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.progress-track {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: var(--panel-soft);
  overflow: hidden;
}

.progress-bar {
  width: 0%;
  height: 100%;
  background: var(--accent);
  transition: width 160ms ease;
}

.stats-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.stats-pill {
  min-height: 32px;
  padding: 0 9px;
  border-radius: 999px;
  background: var(--panel-soft);
  color: var(--text);
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

dialog {
  width: min(1080px, calc(100% - 20px));
  max-height: calc(100vh - 20px);
  max-height: calc(100dvh - 20px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0;
  background: #ffffff;
  color: var(--text);
  box-shadow: 0 28px 70px rgba(31, 41, 55, 0.22);
  overflow: hidden;
}

dialog::backdrop {
  background: rgba(17, 24, 39, 0.48);
}

#item-dialog {
  height: min(960px, calc(100vh - 20px));
  height: min(960px, calc(100dvh - 20px));
}

#easter-dialog {
  width: min(940px, calc(100% - 20px));
}

.modal-layout {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  height: 100%;
  max-height: calc(100vh - 22px);
  max-height: calc(100dvh - 22px);
  overflow: hidden;
}

.image-stage,
.easter-image-stage {
  min-height: 0;
  height: 100%;
  background: #f1f4f6;
  overscroll-behavior: contain;
  touch-action: pan-x pan-y pinch-zoom;
  -webkit-overflow-scrolling: touch;
}

.image-stage {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow: auto;
}

.image-stage.is-zoomed {
  justify-content: flex-start;
}

.image-stage.can-pan {
  cursor: grab;
}

.image-stage.is-panning {
  cursor: grabbing;
  user-select: none;
}

.easter-image-stage {
  display: grid;
  place-items: center;
  overflow: hidden;
}

.image-stage img {
  width: 100%;
  height: auto;
  max-width: 100%;
  max-height: none;
  display: block;
  touch-action: pan-x pan-y pinch-zoom;
  background: #ffffff;
}

.image-stage img.is-zoomed {
  max-width: none;
}

.easter-image-stage img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  background: #ffffff;
}

.image-stage .empty-state,
.easter-image-stage .empty-state {
  width: min(360px, calc(100% - 32px));
  background: #ffffff;
}

.modal-side {
  padding: 12px 14px;
  border-top: 1px solid var(--line);
  display: grid;
  align-content: start;
  gap: 8px;
  overflow: visible;
}

.easter-modal {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  max-height: calc(100vh - 22px);
  max-height: calc(100dvh - 22px);
}

.easter-image-stage {
  min-height: 520px;
}

.easter-side {
  padding: 16px;
  border-left: 1px solid var(--line);
  display: grid;
  align-content: start;
  gap: 12px;
  overflow: auto;
}

.modal-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.close-button {
  width: 38px;
  height: 38px;
  display: inline-grid;
  place-items: center;
  padding: 0;
  flex: 0 0 auto;
}

.modal-title {
  margin: 0;
  font-size: 24px;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.detail-meta {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.zoom-tools {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) 38px;
  gap: 8px;
  align-items: center;
}

.zoom-button,
.zoom-reset {
  height: 38px;
  display: inline-grid;
  place-items: center;
  padding: 0;
}

.zoom-reset {
  color: var(--muted);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.pager {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 42px;
  gap: 8px;
  align-items: center;
}

.pager button {
  height: 38px;
  display: inline-grid;
  place-items: center;
  padding: 0;
}

.pager-status {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

@media (max-width: 860px) {
  .bar-inner {
    align-items: stretch;
    flex-direction: column;
  }

  .tabs {
    width: 100%;
  }

  .tab {
    flex: 1 1 0;
    justify-content: center;
  }

  .home-grid,
  .library-layout,
  .settings-grid,
  .modal-layout,
  .easter-modal {
    grid-template-columns: 1fr;
  }

  .library-side {
    position: static;
  }

  .modal-side {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .easter-side {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .easter-image-stage {
    min-height: 360px;
  }
}

@media (max-width: 560px) {
  main {
    padding: 12px 10px 34px;
  }

  .bar-inner {
    padding: 12px 10px 10px;
  }

  h1 {
    font-size: 20px;
  }

  .data-badge {
    max-width: 150px;
  }

  .tab {
    padding: 0 7px;
    font-size: 14px;
  }

  .search-panel,
  .library-entry,
  .settings-panel,
  .library-panel {
    padding: 12px;
  }

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

  .result-list,
  .library-items {
    grid-template-columns: 1fr;
  }

  .result-card,
  .item-card {
    grid-template-columns: 66px minmax(0, 1fr);
    min-height: 102px;
  }

  .thumb {
    width: 66px;
    height: 82px;
  }

  #item-dialog {
    width: calc(100% - 10px);
    height: calc(100vh - 10px);
    height: calc(100dvh - 10px);
    max-height: calc(100vh - 10px);
    max-height: calc(100dvh - 10px);
  }

  .image-stage {
    min-height: 0;
  }

  #item-dialog .modal-title {
    font-size: 28px;
  }

  .modal-side {
    padding: 12px;
  }

  .daily-card,
  .anniversary-card {
    padding-right: 74px;
  }

  .daily-thumb {
    width: 50px;
    height: 50px;
  }

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