:root {
  --bg:          #f5f5f0;
  --bg-card:     #ffffff;
  --bg-modal:    #ffffff;
  --bg-input:    #f0f0eb;
  --bg-topbar:   #ffffff;
  --text:        #1a1a1a;
  --text-muted:  #666666;
  --text-light:  #999999;
  --border:      #e0e0d8;
  --primary:     #4a6fa5;
  --primary-h:   #3a5f95;
  --primary-t:   #ffffff;
  --danger:      #d94f4f;
  --danger-h:    #c43f3f;
  --accent:      #e8a44a;
  --shadow:      0 2px 12px rgba(0,0,0,0.08);
  --shadow-lg:   0 8px 32px rgba(0,0,0,0.14);
  --radius:      12px;
  --radius-sm:   6px;
  --transition:  0.2s ease;
  --reader-bg:   #faf8f2;
  --reader-text: #2c2c2c;
  --font-reader: 'Georgia', 'Noto Serif SC', serif;
  --font-ui:     -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', sans-serif;
}

[data-theme="dark"] {
  --bg:          #1a1a1e;
  --bg-card:     #25252b;
  --bg-modal:    #2d2d35;
  --bg-input:    #1e1e24;
  --bg-topbar:   #202026;
  --text:        #e8e8e8;
  --text-muted:  #aaaaaa;
  --text-light:  #777777;
  --border:      #3a3a44;
  --primary:     #6b8fc9;
  --primary-h:   #7a9fd9;
  --primary-t:   #ffffff;
  --danger:      #e06060;
  --danger-h:    #f07070;
  --accent:      #d4924a;
  --shadow:      0 2px 12px rgba(0,0,0,0.3);
  --shadow-lg:   0 8px 32px rgba(0,0,0,0.5);
  --reader-bg:   #1c1c20;
  --reader-text: #d8d4c8;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--text);
  transition: background var(--transition), color var(--transition);
  -webkit-font-smoothing: antialiased;
}

.page { display: none; min-height: 100vh; }
.page.active { display: flex; flex-direction: column; }
.page.hidden { display: none !important; }

#page-login {
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg) 0%, var(--bg-card) 100%);
}

.login-card {
  background: var(--bg-card);
  border-radius: 20px;
  padding: 48px 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg);
}

.login-logo { font-size: 56px; text-align: center; margin-bottom: 8px; }
.login-title { font-size: 28px; font-weight: 700; text-align: center; color: var(--primary); }
.login-sub { text-align: center; color: var(--text-muted); margin-bottom: 32px; font-size: 14px; }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; color: var(--text-muted); margin-bottom: 6px; }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--bg-input);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 15px;
  color: var(--text);
  transition: border-color var(--transition);
  font-family: var(--font-ui);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}
.form-group.row { display: flex; align-items: center; gap: 8px; }
.form-group.row label { display: flex; align-items: center; gap: 8px; margin: 0; }

.btn-primary {
  background: var(--primary);
  color: var(--primary-t);
  border: none;
  border-radius: var(--radius-sm);
  padding: 11px 22px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), transform 0.1s;
}
.btn-primary:hover { background: var(--primary-h); }
.btn-primary:active { transform: scale(0.98); }

.btn-secondary {
  background: transparent;
  color: var(--text-muted);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 20px;
  font-size: 15px;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }

.btn-danger {
  background: var(--danger);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 20px;
  font-size: 15px;
  cursor: pointer;
  transition: background var(--transition);
}
.btn-danger:hover { background: var(--danger-h); }

.btn-sm {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--primary);
  cursor: pointer;
}

.btn-icon {
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 18px;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  transition: background var(--transition), color var(--transition);
}
.btn-icon:hover { background: var(--bg-input); color: var(--text); }

.btn-full { width: 100%; }

/* ── 扁平 3D 图标按钮：纯云朵，无凸起底座 ── */
.btn-icon-3d {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px !important;
  transition: transform var(--transition);
}
.btn-icon-3d:hover, .btn-icon:hover {
  transform: scale(1.18) !important;
}

/* 隐藏所有白色 squircle 底座，让 3D 渐变云朵图标 100% 撑满 */
.squircle {
  display: none !important;
}

/* ── Topbar: 80px, 3-section layout ── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  height: 80px;
  background: var(--bg-topbar);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.topbar-left { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.topbar-title { font-size: 26px; font-weight: 800; color: var(--primary); letter-spacing: -0.5px; }

.topbar-right {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  flex-shrink: 0;
}

.topbar-search {
  display: flex;
  gap: 6px;
  max-width: 280px;
  flex-shrink: 0;
}
.search-input {
  flex: 1;
  background: var(--bg-input);
  border: 1.5px solid var(--border);
  border-radius: 24px;
  padding: 8px 16px;
  font-size: 14px;
  color: var(--text);
  transition: border-color var(--transition);
}
.search-input:focus { outline: none; border-color: var(--primary); }

/* ── Floating search overlay ── */
.search-overlay {
  position: absolute;
  top: 100%;
  right: 0;
  left: 0;
  z-index: 200;
  padding: 10px 16px;
  background: var(--bg-topbar);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.search-overlay-inner {
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 400px;
  margin: 0 auto;
}
.search-overlay-input {
  flex: 1;
  background: var(--bg-input);
  border: 1.5px solid var(--border);
  border-radius: 24px;
  padding: 10px 16px;
  font-size: 16px;
  color: var(--text);
}
.search-overlay-input:focus { outline: none; border-color: var(--primary); }

/* ── Filter bar (hidden by default) ── */
.filter-bar {
  display: none;
}

/* ── Book grid ── */
.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 20px;
  padding: 24px 20px;
}

.book-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.book-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.book-cover {
  width: 100%;
  aspect-ratio: 2/3;
  object-fit: cover;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  color: #fff;
  flex-shrink: 0;
}
.book-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.book-info { padding: 12px; }
.book-title {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  margin-bottom: 4px;
}
.book-author {
  font-size: 12px;
  color: var(--text-muted);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.book-badge {
  display: inline-block;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--bg-input);
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
}

.book-grid.list-view {
  grid-template-columns: 1fr;
  gap: 8px;
}
.book-grid.list-view .book-card {
  flex-direction: row;
  align-items: center;
}
.book-grid.list-view .book-cover {
  width: 60px;
  height: 80px;
  aspect-ratio: unset;
  flex-shrink: 0;
  font-size: 24px;
}
.book-grid.list-view .book-info { flex: 1; }

.loading-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 60px 20px;
  color: var(--text-muted);
  font-size: 15px;
}
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadeIn { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }

.error-banner {
  margin: 12px 20px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: #fef2f2;
  color: var(--danger);
  font-size: 14px;
  border: 1px solid #fecaca;
  display: flex;
  align-items: center;
  gap: 12px;
}
[data-theme="dark"] .error-banner {
  background: #2d1515;
  border-color: #5c2020;
}
.btn-retry {
  background: var(--danger);
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 4px 12px;
  font-size: 13px;
  cursor: pointer;
  flex-shrink: 0;
}
.btn-retry:hover { filter: brightness(1.1); }

.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-muted);
}
.empty-icon { font-size: 60px; margin-bottom: 16px; }

.load-more { text-align: center; padding: 20px; }

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
  backdrop-filter: blur(4px);
}
.modal.hidden { display: none !important; }

.modal-card {
  background: var(--bg-modal);
  border-radius: 20px;
  padding: 32px;
  width: 100%;
  max-width: 480px;
  max-height: 85%;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.modal-card.small { max-width: 340px; }
.upload-card { max-width: 540px; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.modal-header h2 { font-size: 20px; font-weight: 700; }

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 24px;
}

.drop-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  margin-bottom: 16px;
  position: relative;
}
.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--primary);
  background: var(--bg-input);
}
.drop-zone p { color: var(--text-muted); margin-bottom: 4px; }
.drop-zone .hint { font-size: 12px; color: var(--text-light); }
.drop-label { display: block; cursor: pointer; }
#file-input, #folder-input {
  position: absolute;
  width: 0.1px;
  height: 0.1px;
  opacity: 0;
  overflow: hidden;
  z-index: -1;
}

.file-info {
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13px;
  margin-bottom: 16px;
  color: var(--text);
}

.upload-file-info { margin: 8px 0 0; font-size: 13px; color: var(--text-muted); padding: 8px 4px; }
.progress-wrap { margin: 12px 0; display: flex; align-items: center; gap: 10px; }
.progress-bar {
  flex: 1;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--primary);
  width: 0%;
  transition: width 0.3s;
}

.upload-actions-row {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.upload-queue {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  max-height: 240px;
  overflow-y: auto;
}
.queue-header {
  padding: 8px 12px;
  font-size: 13px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  background: var(--bg-input);
}
.queue-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
}
.queue-item:last-child { border-bottom: none; }
.queue-item .qi-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.queue-item .qi-status { flex-shrink: 0; font-size: 12px; }
.queue-item .qi-err { flex-shrink: 0; font-size: 11px; color: var(--danger); width: 100%; }
.queue-item.done .qi-status { color: #22a65e; }
.queue-item.fail .qi-status { color: var(--danger); }

.detail-body { display: flex; gap: 20px; margin-bottom: 16px; }
.detail-cover {
  width: 120px;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  background: var(--bg-input);
}
.detail-meta p { font-size: 14px; margin-bottom: 8px; line-height: 1.5; }

#page-reader.active {
  background: var(--reader-bg);
  position: fixed;
  inset: 0;
  z-index: 500;
  overflow: hidden;
}
#page-reader.active.immersive {
  border-radius: 0;
  box-shadow: none;
}

.reader-topbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: var(--bg-topbar);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.reader-topbar.hidden-ui { opacity: 0; transform: translateY(-100%); pointer-events: none; }

.reader-title {
  flex: 1;
  font-size: 15px;
  font-weight: 600;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.reader-topbar-right { display: flex; align-items: center; gap: 6px; }
.reader-select {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px 8px;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
}

.reader-content {
  flex: 1;
  overflow-y: auto;
  padding: 24px 20px;
  max-width: 720px;
  margin: 0 auto;
  width: 100%;
  line-height: 1.8;
  font-size: 16px;
  letter-spacing: 0.05em;
  color: var(--reader-text);
  font-family: var(--font-reader);
  text-align: justify;
  word-break: break-word;
  overflow-wrap: break-word;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.reader-content::-webkit-scrollbar { display: none; }

.pdf-page-canvas {
  display: block;
  width: 100%;
  margin-bottom: 16px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}

.epub-content { line-height: 1.9; text-align: justify; }
.epub-content p { margin-bottom: 1.2em; text-indent: 2em; text-align: justify; }
.epub-content h1, .epub-content h2, .epub-content h3 {
  font-weight: 700;
  margin: 1.5em 0 0.8em;
  text-indent: 0;
}

.reader-pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 12px;
  background: var(--bg-topbar);
  border-top: 1px solid var(--border);
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.reader-pager.hidden-ui { opacity: 0; transform: translateY(100%); pointer-events: none; }
#page-indicator { font-size: 14px; color: var(--text-muted); min-width: 80px; text-align: center; }

.tts-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--bg-topbar);
  border-top: 1px solid var(--border);
}
.tts-bar {
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.tts-bar.hidden-ui { opacity: 0; transform: translateY(100%); pointer-events: none; }
.tts-voice { flex: 1; max-width: 180px; }
.tts-btn { font-size: 16px; }
.tts-label { font-size: 12px; color: var(--text-muted); }
#tts-rate { flex: 1; max-width: 100px; accent-color: var(--primary); }

.reader-toc {
  position: fixed;
  top: 0;
  right: 0;
  width: 280px;
  height: 100%;
  background: var(--bg-card);
  border-left: 1px solid var(--border);
  z-index: 200;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  transform: translateX(0);
  transition: transform var(--transition);
}
.reader-toc.hidden { transform: translateX(100%); display: flex !important; }

.toc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
}
.toc-list { flex: 1; overflow-y: auto; padding: 8px; }
.toc-item {
  display: block;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--text);
  text-decoration: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition);
}
.toc-item:hover { background: var(--bg-input); }
.toc-item.active { color: var(--primary); font-weight: 600; }

.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text);
  color: var(--bg);
  padding: 12px 24px;
  border-radius: 24px;
  font-size: 14px;
  z-index: 2000;
  box-shadow: var(--shadow-lg);
  transition: opacity 0.3s;
}
.toast.hidden { opacity: 0; pointer-events: none; }

.hidden { display: none !important; }
.error-msg { color: var(--danger); font-size: 13px; margin-top: 8px; text-align: center; }

/* ── Folder grid & cards ── */
.folder-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  padding: 26px;
}

.folder-card {
  position: relative;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow);
}

.folder-card:hover, .folder-card.active {
  border-color: var(--primary);
  background: var(--bg-input);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.folder-card-icon {
  font-size: 36px;
  line-height: 1;
  flex-shrink: 0;
}

.folder-card-info {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.folder-card-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.folder-card-count {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 3px;
}

.folder-delete-btn {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 22px;
  height: 22px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--bg-card);
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  z-index: 2;
  transition: all 0.15s;
}
.folder-delete-btn:hover {
  background: var(--danger, #e74c3c);
  border-color: var(--danger, #e74c3c);
  color: #fff;
}

/* ── Dict popover ── */
.dict-popover {
  position: fixed;
  z-index: 1500;
  background: var(--bg-modal);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  max-width: 360px;
  padding: 12px 16px;
  transition: opacity 0.15s;
}
.dict-popover.hidden { display: none !important; }
.dict-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.dict-word {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 80%;
}
.dict-result {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
  word-break: break-word;
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .topbar-left {
    display: none !important;
  }
  .topbar {
    padding: 10px 14px;
    gap: 12px;
  }
  .topbar-search {
    flex: 1;
    max-width: 130px;
  }
  .search-input {
    padding: 6px 12px;
    font-size: 13px;
  }
  .topbar-right {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    gap: 4px;
  }
  .btn-icon, .btn-icon-3d {
    font-size: 17px !important;
    padding: 2px !important;
  }
  .book-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; padding: 16px; }
  .folder-grid {
    grid-template-columns: repeat(2, 1fr);
    padding: 16px;
    gap: 12px;
  }
  .folder-card {
    padding: 14px;
    gap: 10px;
    border-radius: 12px;
  }
  .folder-card-name { font-size: 13px; }
  .folder-card-count { font-size: 11px; }
  .modal-card { padding: 24px 20px; }
  .reader-content { padding: 20px 14px; }
  .detail-body { flex-direction: column; }
  .detail-cover { width: 100px; height: 140px; }
}

@media (max-width: 400px) {
  .book-grid { grid-template-columns: repeat(2, 1fr); }
  .folder-grid { grid-template-columns: 1fr; }
}

/* ── 闲读留痕 ── */
.recent-scroll {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 12px;
  scrollbar-width: none;
}
.recent-scroll::-webkit-scrollbar { display: none; }

.recent-card {
  flex: 0 0 100px;
  cursor: pointer;
  text-align: center;
  transition: transform 0.15s;
}
.recent-card:hover { transform: translateY(-3px); }

.recent-card .book-cover {
  width: 100px;
  height: 136px;
  border-radius: 6px;
  overflow: hidden;
  background: var(--bg-card);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
}
.recent-card .book-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.recent-card .recent-title {
  font-size: 11px;
  color: var(--text);
  margin-top: 6px;
  line-height: 1.3;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.recent-card .recent-time {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 2px;
}

#section-recent.hidden { display: none; }

.folder-ctx-menu {
  animation: fadeIn 0.15s ease;
}
.folder-ctx-menu .ctx-menu-item {
  padding: 10px 16px;
  cursor: pointer;
  font-size: 14px;
  transition: background 0.15s;
}
.folder-ctx-menu .ctx-menu-item:hover { background: var(--bg-hover); }
.folder-ctx-menu .ctx-menu-danger { color: #e74c3c; }

/* ── OCR 专区 ── */
#section-ocr-zone { display: block; }

/* ── OCR 抽屉面板 ── */
.ocr-drawer { position: fixed; inset: 0; z-index: 1200; pointer-events: none; }
.ocr-drawer:not(.hidden) { pointer-events: auto; }
.ocr-drawer-overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.35);
  opacity: 0;
  transition: opacity 0.25s ease;
}
.ocr-drawer:not(.hidden) .ocr-drawer-overlay { opacity: 1; }
.ocr-drawer-panel {
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: 380px;
  max-width: 96vw;
  background: var(--bg-card);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.28s cubic-bezier(.4,0,.2,1);
}
.ocr-drawer:not(.hidden) .ocr-drawer-panel { transform: translateX(0); }
.ocr-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.ocr-drawer-title { font-size: 16px; font-weight: 700; color: var(--text); }

/* OCR Tabs */
.ocr-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.ocr-tab {
  flex: 1;
  padding: 10px 4px;
  font-size: 13px;
  font-weight: 500;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}
.ocr-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}
.ocr-tab-content { flex: 1; overflow-y: auto; padding: 12px; }
.ocr-tab-content.hidden { display: none; }

/* 任务列表 */
.ocr-task-list { display: flex; flex-direction: column; gap: 10px; }
.ocr-empty { text-align: center; color: var(--text-muted); font-size: 13px; padding: 40px 0; }
.ocr-task-card {
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  border: 1px solid var(--border);
}
.ocr-task-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ocr-task-meta {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 8px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.ocr-task-status {
  display: inline-block;
  padding: 1px 7px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;
}
.ocr-status-queued  { background: #fff3cd; color: #856404; }
.ocr-status-running { background: #cce5ff; color: #004085; }
.ocr-status-done    { background: #d4edda; color: #155724; }
.ocr-status-failed  { background: #f8d7da; color: #721c24; }
.ocr-status-cancelled { background: var(--bg-input); color: var(--text-muted); border: 1px solid var(--border); }
.ocr-progress-bar {
  height: 5px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
  margin: 6px 0;
}
.ocr-progress-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 3px;
  transition: width 0.4s ease;
}
.ocr-task-actions { display: flex; gap: 8px; margin-top: 8px; justify-content: flex-end; }
.ocr-task-actions .btn-sm { font-size: 11px; padding: 3px 10px; }

/* 配置表单 */
.ocr-config-form { display: flex; flex-direction: column; gap: 14px; }

/* 响应式 */
@media (max-width: 600px) {
  .ocr-drawer-panel { width: 100vw; }
}