:root {
  --bg: #fbfaf7;
  --bg-soft: #f6f8fb;
  --card: rgba(255, 255, 255, 0.97);
  --card-strong: #ffffff;
  --line: #e7eaf0;
  --line-strong: #cbd5e1;
  --text: #1e293b;
  --muted: #64748b;

  /* 主色：科技蓝 */
  --accent: #2563eb;
  --accent-strong: #1d4ed8;
  --accent-deep: #1e40af;
  --accent-soft: rgba(37, 99, 235, 0.10);
  --accent-glow: rgba(37, 99, 235, 0.20);

  /* 辅助色：增加页面层次 */
  --warn: #f59e0b;
  --error: #ef4444;
  --success: #22c55e;
  --info: #38bdf8;
  --purple: #a78bfa;
  --pink: #f472b6;
  --teal: #2dd4bf;
  --orange: #fb923c;

  --shadow: 0 2px 14px rgba(15, 23, 42, 0.06);
  --shadow-hover: 0 10px 28px rgba(15, 23, 42, 0.12);
  --image-blur-radius: 18px;
  --radius-card: 12px;
  --radius-btn: 10px;
}

* { box-sizing: border-box; }
html { color-scheme: light; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.16), transparent 32%),
    radial-gradient(circle at top right, rgba(251, 146, 60, 0.12), transparent 30%),
    linear-gradient(160deg, #fffaf1 0%, #f8fafc 48%, #eef6ff 100%);
}

body.has-overlay { overflow: hidden; }
h1, h2, h3, h4, p, ol, ul { margin: 0; }
button, input { font: inherit; }
button { border: 0; outline: none; }

.page-shell {
  width: min(1200px, calc(100% - 24px));
  margin: 0 auto;
  padding: 16px 0 24px;
}

/* 右侧侧边栏：阅读历史 + 设置 (PC端) */
.right-rail {
  position: fixed;
  top: 50%;
  right: 16px;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 80;
}
.right-rail-btn {
  width: 56px;
  min-height: 56px;
  border-radius: var(--radius-card);
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--accent);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  padding: 6px 4px;
}
.right-rail-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  color: var(--accent-strong);
}
.right-rail-btn.is-active {
  background: var(--accent-soft);
  color: var(--accent-strong);
  border-color: var(--accent);
}
.right-rail-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.right-rail-label {
  font-size: 11px;
  line-height: 1.1;
  font-weight: 600;
  color: inherit;
}
body.has-overlay .right-rail { display: none; }

.panel-card, .status-card, .warning-item, .task-card, .result-card, 
.detail-section, .chapter-item, .chapter-volume, .detail-source-button, .source-option {
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--radius-card);
}

.hero-copy {
  padding: 16px 20px;
  background: linear-gradient(135deg, #ffffff, #f8fafc 55%, #fff7ed);
  border: 1px solid #e7eaf0;
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.control-panel, .results-panel, .tasks-panel { padding: 20px; }

.eyebrow {
  display: inline-flex; margin-bottom: 8px; color: var(--accent-deep);
  font-size: 11px; font-weight: 800; letter-spacing: 0.1em;
  text-transform: uppercase; background: var(--accent-soft);
  padding: 4px 12px; border-radius: 999px;
}

h1 { font-size: clamp(20px, 3vw, 28px); font-weight: 800; line-height: 1.2; color: #0f172a; }
h2 { font-size: 16px; font-weight: 700; color: #1e293b; }
h3 { font-size: 14px; font-weight: 700; color: #334155; }

.lead, .panel-hint, .field-label, .page-indicator, .result-author, 
.result-source, .result-extra, .task-meta, .task-progress-text, 
.task-current, .task-message, .detail-author, .detail-source, 
.detail-description, .detail-link { color: var(--muted); line-height: 1.5; font-size: 13px; }

.lead { margin-top: 8px; max-width: 60ch; font-size: 14px; }

.tab-bar {
  display: inline-flex; gap: 4px; margin-top: 16px; padding: 4px;
  background: #ffffff; border: 1px solid var(--accent-soft);
  border-radius: 999px; box-shadow: var(--shadow);
}

.tab-button {
  display: inline-flex; align-items: center; gap: 6px;
  min-height: 36px; padding: 0 18px; border-radius: 999px;
  background: transparent; color: var(--muted); font-weight: 700; font-size: 14px;
  cursor: pointer; transition: all 0.3s ease;
}

.tab-button:hover { color: var(--accent-strong); background: var(--accent-soft); }
.tab-button.is-active {
  color: #fff; background: var(--accent); box-shadow: 0 4px 10px var(--accent-glow);
}
.tab-button.is-active { background: linear-gradient(135deg, var(--accent), var(--accent-strong)); }

.tab-count, .count-badge, .result-badge, .task-status {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 20px; padding: 0 8px; border-radius: 999px;
  font-size: 11px; font-weight: 800;
}
.tab-count { background: #f1f5f9; color: #475569; }
.tab-button.is-active .tab-count { background: rgba(255, 255, 255, 0.3); color: #fff; }
.count-badge { background: #fee2e2; color: #b91c1c; }
.result-badge { background: #e0f2fe; color: #0369a1; }

.tab-panel { display: none; margin-top: 16px; }
.tab-panel.is-active { display: block; animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }

.search-layout { display: flex; flex-direction: column; gap: 16px; }
.control-panel { position: relative; z-index: 10; }
.search-form { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; margin-bottom: 20px; }
.search-field { flex: 1; min-width: 200px; display: flex; flex-direction: column; gap: 6px; }
.feedback-stack, .results-panel, .tasks-panel, .task-list, .detail-content { display: grid; gap: 12px; }

/* 扩大输入框与按钮的热区 */
.search-input {
  width: 100%; min-height: 44px; padding: 0 16px;
  color: var(--text); background: #ffffff;
  border: 1px solid var(--line-strong); border-radius: var(--radius-btn);
  font-size: 14px; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.search-input:focus {
  outline: none; background: #ffffff; border-color: var(--accent);
  box-shadow: 0 4px 12px var(--accent-soft), 0 0 0 1px var(--accent);
  transform: translateY(-1px);
}

.search-button, .download-button {
  min-height: 44px; padding: 0 24px; color: #fff; font-weight: 700; font-size: 14px;
  border-radius: var(--radius-btn); cursor: pointer; transition: all 0.2s;
  background: var(--accent);
  box-shadow: 0 4px 12px var(--accent-glow); white-space: nowrap;
}
.search-button:hover, .download-button:hover { transform: translateY(-1px); background: var(--accent-strong); box-shadow: 0 6px 16px var(--accent-glow); }
.exact-search-button { background: var(--accent-deep); }
.exact-search-button:hover { background: #0f766e; }

.page-button, .detail-close, .detail-source-button {
  min-height: 36px; padding: 0 14px; border-radius: 8px; cursor: pointer;
  color: var(--accent-deep); background: #ffffff; border: 1px solid var(--line);
  font-weight: 600; font-size: 13px; transition: all 0.2s ease;
}
.page-button:hover, .detail-close:hover {
  border-color: var(--accent); color: var(--accent); background: var(--accent-soft);
}
.tool-button {
  min-height: 36px; padding: 0 16px; border-radius: 999px;
  cursor: pointer; font-weight: 600; font-size: 13px; transition: all 0.2s ease;
  color: var(--accent-deep); background: var(--accent-soft); border: 1px solid transparent;
}

.tool-button:hover {
  background: var(--accent); color: #ffffff; box-shadow: 0 4px 10px var(--accent-glow);
  transform: translateY(-1px);
}

.tool-button.is-ghost {
  color: var(--muted); background: #f1f5f9; border: 1px solid var(--line);
}

.tool-button.is-ghost:hover {
  background: #fee2e2; color: var(--error); border-color: #fca5a5; box-shadow: none;
}
.search-button:disabled, .download-button:disabled, .page-button:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }

.selection-toolbar, .results-tools, .pagination, .panel-header, .results-head, 
.task-head, .task-messages, .detail-meta, .detail-actions, .detail-source-switch, .detail-links { display: flex; flex-wrap: wrap; gap: 8px; }
.panel-header, .results-head, .task-head { justify-content: space-between; align-items: flex-end; margin-bottom: 8px; }
.pagination-bottom {
  justify-content: center;
  align-items: center;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.pagination-bottom[hidden] { display: none; }

.source-filters-toggle { display: none; }
.source-filters-toggle-summary { color: var(--muted); font-weight: 500; font-size: 12px; }
.source-filters-toggle-caret { transition: transform 0.2s ease; font-size: 14px; }
.source-filters-toggle.is-collapsed .source-filters-toggle-caret { transform: rotate(-90deg); }
.source-filters.is-collapsed { display: none; }

.source-tag-panel {
  display: grid; gap: 10px; margin-bottom: 16px; padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 70%, #fff7ed 100%);
  box-shadow: var(--shadow);
}
.source-tag-panel-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 2px; min-height: 30px; }
.source-tag-filters { display: flex; flex-wrap: wrap; gap: 6px; }

.source-tag-filter {
  display: inline-flex; align-items: center; gap: 6px; min-height: 30px; padding: 0 12px;
  border-radius: 999px; border: 1px solid var(--line); background: #ffffff; color: var(--muted);
  cursor: pointer; font-size: 13px; font-weight: 600; transition: all 0.2s ease;
}
.source-tag-filter:hover { border-color: var(--accent); color: var(--accent-deep); background: var(--bg-soft); }
.source-tag-filter.is-active {
  color: #ffffff; border-color: var(--accent); background: var(--accent);
  box-shadow: 0 4px 10px var(--accent-glow);
}
.source-tag-filter-count {
  display: inline-flex; align-items: center; justify-content: center; min-width: 20px; min-height: 20px;
  padding: 0 6px; border-radius: 999px; background: rgba(0,0,0,0.06); color: inherit; font-size: 11px; font-weight: 800;
}
.source-tag-filter.is-active .source-tag-filter-count { background: rgba(255, 255, 255, 0.2); }

.source-selector { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
.source-option {
  display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-start; gap: 6px;
  min-height: 90px; 
  padding: 12px; text-align: left; border-radius: var(--radius-card);
  cursor: pointer; border: 1px solid var(--line); background: #fff; transition: all 0.2s;
}
.source-option:hover { transform: translateY(-2px); border-color: var(--accent); box-shadow: var(--shadow-hover); }
.source-option.is-selected {
  background: #eff6ff;
  border-color: var(--accent);
  box-shadow: 0 4px 12px var(--accent-glow);
}
.source-option-title {
  font-size: 14px; font-weight: 700; line-height: 1.3; color: #0f172a;
  display: -webkit-box; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 1; line-clamp: 1;
  width: 100%;
}
.source-option-key {
  display: inline-flex; align-items: center; min-height: 22px; padding: 0 8px; border-radius: 6px;
  background: var(--accent-soft); color: var(--accent-deep);
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 11px; font-weight: 600;
}
.source-option-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: auto; }
.source-option-tag {
  display: inline-flex; align-items: center; min-height: 20px; padding: 0 6px; border-radius: 4px;
  border: 1px solid var(--line); background: #f8fafc; color: var(--muted); font-size: 11px;
}
.source-option.is-selected .source-option-tag { border-color: var(--accent-soft); background: #fff; color: var(--accent-deep); }

.source-option-speed {
  display: inline-flex; align-items: center; min-height: 20px; padding: 0 6px;
  border-radius: 4px; font-size: 11px; font-weight: 600; line-height: 1.4;
  border: 1px solid transparent; white-space: nowrap;
}
.source-option-speed.is-pending { background: #f1f5f9; color: #475569; border-color: #cbd5e1; }
.source-option-speed.is-ok { background: rgba(34, 197, 94, 0.14); color: #15803d; border-color: rgba(34, 197, 94, 0.4); }
.source-option-speed.is-error { background: rgba(239, 68, 68, 0.14); color: #b91c1c; border-color: rgba(239, 68, 68, 0.4); }
.source-option-speed.is-timeout { background: rgba(251, 146, 60, 0.16); color: #c2410c; border-color: rgba(251, 146, 60, 0.4); }

.speed-test-status {
  font-size: 12px; color: var(--muted); margin-left: 4px; line-height: 1.4;
  flex: 1 1 100%;
}
.tool-button.is-loading { opacity: 0.7; cursor: progress; }

.site-warning-stack { margin: 12px 0; display: grid; gap: 8px; }
.site-warning-card {
  display: flex; flex-direction: column; gap: 6px; padding: 12px 14px;
  border-radius: var(--radius-card); border: 1px solid var(--line); background: #fff;
}
.site-warning-card.site-warning-danger { border-left: 4px solid #ef4444; }
.site-warning-card.site-warning-info { border-left: 4px solid var(--accent); }
.site-warning-card.site-warning-config { border-left: 4px solid #0ea5e9; }
.site-warning-head { display: flex; align-items: center; gap: 6px; font-weight: 600; font-size: 14px; }
.site-warning-icon { font-size: 16px; }
.site-warning-message { margin: 0; font-size: 14px; }
.site-warning-detail { margin: 0; font-size: 12px; color: var(--muted); }
.site-warning-action {
  display: inline-flex; align-self: flex-start; padding: 4px 10px; font-size: 12px;
  border-radius: 6px; border: 1px solid var(--accent-soft);
  color: var(--accent); text-decoration: none; font-weight: 600;
}
.temporary-warning-dialog[hidden] { display: none; }
.temporary-warning-dialog {
  position: fixed; bottom: 24px; right: 24px; z-index: 100;
  width: min(360px, calc(100vw - 48px)); pointer-events: none;
}
.temporary-warning-modal {
  max-height: 240px; overflow: auto; display: grid; gap: 8px; padding: 12px 16px;
  border-radius: var(--radius-card); border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
  pointer-events: auto; font-size: 13px;
}
.temporary-warning-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.temporary-warning-head h2 { font-size: 14px; font-weight: 600; color: var(--muted); }
.temporary-warning-list { display: grid; gap: 6px; }
.temporary-warning-close {
  width: 28px; height: 28px; border-radius: 999px; cursor: pointer;
  color: var(--muted); background: transparent; font-size: 18px; line-height: 1; border: none;
}
.temporary-warning-close:hover { color: var(--text); background: #f1f5f9; }
.temporary-warning-modal .site-warning-card { padding: 8px 10px; border-radius: 8px; box-shadow: none; }
.temporary-warning-modal .site-warning-message { font-size: 13px; line-height: 1.4; }

.site-config-overlay[hidden] { display: none; }
.site-config-overlay { position: fixed; inset: 0; z-index: 120; }
.site-config-backdrop { position: absolute; inset: 0; background: rgba(15, 23, 42, 0.4); backdrop-filter: blur(4px); }
.site-config-modal {
  position: relative; width: min(860px, calc(100vw - 32px)); max-height: calc(100vh - 32px);
  overflow: auto; margin: 16px auto; padding: 24px; border-radius: 16px;
  background: #fff; box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.site-config-close-button {
  position: sticky; top: 0; right: 0; z-index: 5; display: block;
  min-height: 36px; padding: 0 14px; margin: -8px -8px 12px auto;
  border-radius: 8px; cursor: pointer; color: var(--accent-deep);
  background: #ffffff; border: 1px solid var(--line); font-weight: 600; font-size: 13px;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
}
.site-config-close-button:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.site-config-head { display: flex; align-items: center; justify-content: center; margin-bottom: 12px; }
.settings-layout { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.config-section-card { border: 1px solid var(--line); border-radius: 12px; padding: 16px; background: #f8fafc; }
.config-section-head { display: grid; gap: 6px; margin-bottom: 12px; }
.config-section-desc, .field-help { color: var(--muted); font-size: 12px; line-height: 1.5; }
.field-help { display: block; margin-top: 4px; }

.site-config-form { display: grid; gap: 16px; }

@media (max-width: 960px) { .settings-layout { grid-template-columns: 1fr; } }

.site-config-check { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text); padding: 4px 0;}

.input-icon-wrap { position: relative; display: flex; align-items: center; width: 100%; }
.input-icon-wrap .search-input { padding-right: 44px; width: 100%; }
.input-icon-btn {
  position: absolute; right: 8px; background: none; border: none; min-height: 36px; min-width: 36px;
  color: var(--muted); cursor: pointer; padding: 4px; display: flex;
  align-items: center; justify-content: center; outline: none; transition: color 0.2s;
}
.input-icon-btn:hover { color: var(--accent); }

.range-wrap { display: flex; align-items: center; gap: 10px; width: 100%; min-height: 44px; }
.search-input.slider {
  appearance: none; -webkit-appearance: none; flex: 1; height: 6px; border: none;
  background: var(--line); border-radius: 999px; padding: 0;
}
.search-input.slider:focus { box-shadow: none; }
.search-input.slider::-webkit-slider-thumb {
  -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%;
  background: var(--accent); cursor: pointer; transition: transform 0.2s ease;
}
.search-input.slider::-webkit-slider-thumb:hover { transform: scale(1.15); }
.range-val { font-weight: 700; color: var(--accent-deep); min-width: 32px; text-align: right; font-size: 14px; }

.site-config-textarea {
  width: 100%; border-radius: 10px; border: 1px solid var(--line-strong);
  padding: 10px 14px; font: inherit; resize: vertical; font-size: 14px; min-height: 100px;
}
.site-config-textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.site-config-actions { display: flex; justify-content: flex-end; margin-top: 8px; }
.settings-config-actions {
  position: sticky; bottom: -24px; z-index: 4; padding: 12px 0 0;
  background: linear-gradient(180deg, rgba(255,255,255,0), #ffffff 35%);
}
.settings-save-status {
  margin-top: 16px; padding: 12px 16px; border-radius: 10px;
  color: var(--accent-deep); background: #eff6ff; border: 1px solid #bfdbfe;
  font-size: 13px; font-weight: 600;
}
.settings-save-status[hidden] { display: none; }
.settings-save-status[data-tone="success"] { color: #166534; background: #f0fdf4; border-color: #bbf7d0; }
.settings-save-status[data-tone="error"] { color: #b91c1c; background: #fef2f2; border-color: #fecaca; }

.status-card { padding: 12px 16px; font-weight: 600; font-size: 14px; color: var(--accent-deep); background: #eff6ff; border-color: #bfdbfe; }
.status-card[data-tone="empty"] { color: #92400e; background: #fffbeb; border-color: #fde68a; }
.status-card[data-tone="error"] { color: #b91c1c; background: #fef2f2; border-color: #fecaca; }
.warning-list { display: grid; gap: 8px; }
.warning-list.is-empty { display: none; }
.warning-item { padding: 12px 16px; font-size: 13px; color: var(--error); background: #fef2f2; border-color: #fecaca; border-radius: 10px;}

.results-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 16px; padding-top: 8px; }
.result-card { display: flex; flex-direction: column; gap: 10px; padding: 12px; background: #fff; transition: all 0.2s ease; }
.result-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); border-color: var(--accent); }

.result-cover-button { position: relative; width: 100%; padding: 0; background: transparent; cursor: pointer; border-radius: 10px; overflow: hidden; }
.result-cover { display: block; width: 100%; aspect-ratio: 3 / 4; object-fit: cover; transition: transform 0.3s ease; background: #f8fafc; }
.result-card:hover .result-cover { transform: scale(1.03); }

body.web-images-blurred .result-cover,
body.web-images-blurred .detail-cover {
  filter: blur(var(--image-blur-radius)); transform: scale(1.04); transform-origin: center; clip-path: inset(0 round 10px);
}
body.web-images-blurred .result-card:hover .result-cover { transform: scale(1.07); }

.result-cover-overlay {
  position: absolute; bottom: 0; left: 0; width: 100%; padding: 10px 0; text-align: center;
  color: #fff; font-size: 13px; font-weight: 700; background: rgba(74, 222, 128, 0.9);
  backdrop-filter: blur(4px); transform: translateY(100%); transition: transform 0.2s ease;
}
.result-card:hover .result-cover-overlay { transform: translateY(0); }

.result-body { display: flex; flex-direction: column; gap: 6px; flex: 1; }
.result-title { display: -webkit-box; overflow: hidden; font-size: 15px; font-weight: 600; line-height: 1.4; -webkit-box-orient: vertical; -webkit-line-clamp: 2; line-clamp: 2; color: #0f172a; margin-bottom: 2px;}
.result-title-link { color: inherit; text-decoration: none; }
.result-title-link:hover { color: var(--accent); text-decoration: underline; }
.result-author, .result-source, .result-extra { font-size: 12px; color: var(--muted); }

.task-list { display: grid; gap: 12px; }
.task-card {
  padding: 14px 16px; background: #fff; border-radius: 12px;
  border-left: 4px solid var(--accent);
  display: grid; gap: 8px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.task-card:hover { transform: translateY(-1px); box-shadow: var(--shadow-hover); }
.task-card.is-completed { border-left-color: var(--success); }
.task-card.is-failed { border-left-color: var(--error); }
.task-card.is-queued { border-left-color: #d946ef; }

.task-head { display: flex; align-items: center; gap: 10px; margin: 0; flex-wrap: nowrap; }
.task-title {
  flex: 1 1 auto; min-width: 0;
  font-weight: 700; font-size: 14px; color: #1e293b; line-height: 1.4;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin: 0;
}
.task-head-right { display: inline-flex; align-items: center; gap: 8px; flex-shrink: 0; }
.task-delete-btn {
  width: 28px; height: 28px; border-radius: 6px;
  background: transparent; color: var(--muted); cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 14px; line-height: 1; transition: background 0.15s ease, color 0.15s ease;
}
.task-delete-btn:hover { background: #fee2e2; color: var(--error); }

.task-export-btn {
  width: 28px; height: 28px; border-radius: 6px;
  background: transparent; color: var(--accent-deep); cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 14px; line-height: 1; transition: background 0.15s ease, color 0.15s ease, transform 0.15s ease;
}
.task-export-btn:hover { background: var(--accent-soft); color: var(--accent-strong); transform: translateY(-1px); }
.task-export-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.export-format-picker {
  z-index: 200; min-width: 220px; max-width: 280px;
  padding: 14px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.16);
  display: grid; gap: 10px;
}
.export-format-picker h4 {
  margin: 0; font-size: 14px; font-weight: 700; color: var(--text);
}
.export-format-picker-options {
  display: flex; flex-direction: column; gap: 8px;
  padding: 8px 10px; border: 1px solid var(--line); border-radius: 10px; background: #f8fafc;
}
.export-format-picker-options label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 600; color: var(--text); cursor: pointer;
  padding: 4px 0;
}
.export-format-picker-options input[type="checkbox"] { accent-color: var(--accent); }
.export-format-picker-hint {
  margin: 0; font-size: 12px; line-height: 1.5; color: var(--muted);
}
.export-format-picker-actions {
  display: flex; gap: 8px; justify-content: flex-end; margin-top: 4px;
}

.task-status { font-weight: 700; font-size: 12px; padding: 4px 10px; border-radius: 999px; white-space: nowrap; }
.status-running { background: #eff6ff; color: #2563eb; }
.status-completed { background: #ecfdf5; color: #10b981; }
.status-failed { background: #fef2f2; color: #ef4444; }
.status-queued { background: #fdf4ff; color: #d946ef; }

.task-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.task-chip {
  font-size: 12px; line-height: 1.6; padding: 2px 10px; border-radius: 999px;
  background: #f1f5f9; color: #475569; border: 1px solid #e2e8f0;
  max-width: 240px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.task-chip-source { background: var(--accent-soft); color: var(--accent-strong); border-color: transparent; }
.task-chip-eta { background: #fff7ed; color: #c2410c; border-color: #fed7aa; }
.task-chip-current { background: #f0f9ff; color: #0369a1; border-color: #bae6fd; max-width: 320px; }

.task-progress-row { display: flex; align-items: center; gap: 10px; }
.task-progress-bar { flex: 1 1 auto; height: 6px; border-radius: 999px; background: #f1f5f9; overflow: hidden; }
.task-progress-fill { height: 100%; border-radius: 999px; background: var(--accent); transition: width 0.4s ease; }
.task-progress-count {
  flex: 0 0 auto; font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, monospace;
}
.task-card.is-completed .task-progress-fill { background: var(--success); }
.task-card.is-failed .task-progress-fill { background: var(--error); }

.task-error {
  font-size: 13px; line-height: 1.5; padding: 8px 12px; border-radius: 8px;
  background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca;
}

.task-files { display: flex; flex-wrap: wrap; gap: 6px; }
.task-file-chip {
  font-size: 13px; line-height: 1.4; padding: 6px 12px 6px 10px; border-radius: 8px;
  background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0;
  text-decoration: none; font-weight: 600; display: inline-flex; align-items: center; gap: 6px;
  max-width: 280px; min-width: 0; overflow: hidden; white-space: nowrap;
}
.task-file-chip::before { content: '📦'; font-size: 12px; flex: 0 0 auto; }
.task-file-chip-name {
  flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.task-file-chip-ext {
  flex: 0 0 auto; color: var(--accent-deep); font-weight: 700;
}
.task-file-chip:hover { background: #d1fae5; border-color: var(--success); }
@media (max-width: 768px) {
  .task-file-chip { max-width: 100%; }
}

.task-messages { display: grid; gap: 4px; }
.task-message { font-size: 12px; line-height: 1.5; color: var(--muted); padding-left: 10px; border-left: 2px solid #e2e8f0; }
.task-message.level-error { color: var(--error); border-left-color: #fca5a5; }
.task-message.level-warning { color: #c2410c; border-left-color: #fed7aa; }

.inline-progress {
  display: grid; gap: 8px; margin-top: 12px; padding: 12px;
  border: 1px solid var(--line); border-radius: 12px; background: rgba(248, 250, 252, 0.88);
}
.inline-progress-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 13px; font-weight: 700; color: var(--accent-deep); }
.inline-progress-meta { color: var(--muted); font-size: 12px; line-height: 1.4; }

.file-list { margin: 12px 0 0; padding: 12px; background: #f8fafc; border-radius: 8px; color: var(--info); border: 1px solid #e2e8f0; }    
.file-download-link { color: var(--accent-deep); text-decoration: none; font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
.file-download-link:hover { text-decoration: underline; color: var(--accent); }
.file-download-link::before { content: '📦'; font-size: 14px; }

.empty-state, .empty-inline {
  padding: 32px 20px; text-align: center; color: var(--muted); background: #f8fafc;
  border: 2px dashed var(--line-strong); border-radius: var(--radius-card); grid-column: 1 / -1; font-size: 14px;
}
.empty-inline { padding: 20px; }
.empty-state-compact { padding: 20px; }

.detail-overlay[hidden] { display: none; }
.detail-overlay { position: fixed; inset: 0; z-index: 110; }
.detail-backdrop { position: absolute; inset: 0; background: rgba(15, 23, 42, 0.4); backdrop-filter: blur(4px); animation: fadeIn 0.3s ease; }
.detail-panel {
  position: relative; width: 100%; height: 100vh;
  padding: 20px 24px 30px; overflow-y: auto;
  background: linear-gradient(180deg, #fbfaf7 0%, #f8fafc 48%, #f6f8fb 100%);
  animation: fadeIn 0.3s ease;
}

.detail-topbar {
  display: flex; justify-content: flex-end; width: min(1320px, 100%);
  margin: 0 auto 16px; position: sticky; top: 0; z-index: 10;
  background: transparent; padding: 8px 0; border-bottom: 0;
}
.detail-close { min-width: 80px; background: var(--accent-soft); border: 1px solid var(--accent); color: var(--accent-deep); font-weight: 700; }
.detail-close:hover { background: var(--accent); color: #fff; }

.detail-hero {
  display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 24px; align-items: start;
  max-width: 1320px; margin: 0 auto; padding: 20px;
  background: rgba(255,255,255,0.82); border: 1px solid var(--line); border-radius: 16px;
}
.detail-cover { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; border-radius: 12px; box-shadow: var(--shadow); border: 1px solid var(--line); }

.detail-summary { display: flex; flex-direction: column; gap: 10px; }
.detail-title { font-size: clamp(20px, 2.5vw, 26px); font-weight: 700; line-height: 1.3; color: #0f172a; }
.detail-title-link { color: inherit; text-decoration: none; }
.detail-title-link:hover { color: var(--accent-strong); text-decoration: underline; }
.detail-source-button.is-active { color: #fff; background: var(--accent); border-color: var(--accent); box-shadow: 0 4px 10px var(--accent-glow); }
.detail-actions { margin-top: auto; padding-top: 12px; }
.detail-link { color: var(--accent); font-weight: 600; }

.detail-section { padding: 20px; margin-top: 16px; background: rgba(255,255,255,0.82); border: 1px solid var(--line); max-width: 1320px; margin-left: auto; margin-right: auto; border-radius: 16px; }
.detail-section-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.detail-section-head h3 { font-size: 16px; color: var(--text); }
.detail-controls-group { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.chapter-control-item { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 14px; font-weight: 500; }
.chapter-control-select {
  min-height: 36px; padding: 0 32px 0 14px; border-radius: 10px;
  color: var(--accent-deep); background: #f8fafc; border: 1px solid var(--line-strong);
  font-weight: 600; outline: none; font-size: 14px; transition: all 0.2s ease;
  cursor: pointer; appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat; background-position: right 10px center; background-size: 16px;
}
.chapter-control-select:hover, .chapter-control-select:focus { border-color: var(--accent); background: #ffffff; box-shadow: 0 0 0 3px var(--accent-soft); }
.detail-description { white-space: pre-line; font-size: 14px; line-height: 1.6; color: #475569; }

.chapter-list { display: grid; gap: 10px; }
.chapter-list.cols-auto { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
.chapter-list.cols-1 { grid-template-columns: repeat(1, 1fr); }
.chapter-list.cols-2 { grid-template-columns: repeat(2, 1fr); }
.chapter-list.cols-3 { grid-template-columns: repeat(3, 1fr); }
.chapter-list.cols-4 { grid-template-columns: repeat(4, 1fr); }
.chapter-list.cols-5 { grid-template-columns: repeat(5, 1fr); }
.chapter-paging { display: flex; align-items: center; justify-content: center; gap: 16px; padding: 16px 0; }
.chapter-paging .page-button { min-width: 90px; }
.chapter-paging .page-indicator { font-size: 14px; color: var(--muted); }
.chapter-list-shell { display: grid; gap: 12px; }
.chapter-sentinel { grid-column: 1 / -1; padding: 16px; text-align: center; color: var(--muted); font-size: 13px; }
.chapter-volume { padding: 12px 16px; color: #0f172a; font-size: 14px; font-weight: 700; background: linear-gradient(135deg, #fef3c7, #dbeafe); border-radius: 10px; margin-top: 10px; grid-column: 1 / -1; }
.chapter-item { 
  display: flex; align-items: center; gap: 10px; min-width: 0; min-height: 44px;
  padding: 10px 14px; background: #ffffff; border-radius: 10px; 
  border: 1px solid var(--line); transition: all 0.2s; 
}
.chapter-item:hover { border-color: var(--accent); box-shadow: 0 2px 10px var(--accent-soft); transform: translateY(-1px); }
.chapter-item > div { flex: 1; min-width: 0; }
.chapter-index { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 26px; border-radius: 6px; font-size: 12px; font-weight: 700; color: var(--accent-deep); background: var(--accent-soft); flex-shrink: 0; }
.chapter-title { 
  display: block; width: 100%; min-width: 0; line-height: 1.4; 
  font-size: 14px; color: #334155; 
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; 
}
.chapter-title-link { color: #0f172a; text-decoration: none; transition: color 0.2s ease; }
.chapter-title-link:hover { color: var(--accent-strong); text-decoration: underline; }

/* ======== 核心手机端媒体查询适配 ======== */
@media (max-width: 768px) {
  /* 为底部导航栏预留安全区空间 */
  .page-shell { width: 100%; padding: 12px 12px calc(80px + env(safe-area-inset-bottom, 12px)); }
  
  /* 将右侧悬浮改为底部吸附导航栏 (Bottom Nav) */
  .right-rail {
    top: auto; bottom: 0; right: 0; left: 0; width: 100%;
    transform: none; flex-direction: row; justify-content: space-around;
    background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(10px);
    border-top: 1px solid var(--line); border-radius: 0;
    padding: 8px 16px env(safe-area-inset-bottom, 8px); gap: 0; z-index: 100;
  }
  .right-rail-btn {
    border: none; box-shadow: none; background: transparent;
    min-height: 48px; flex: 1; border-radius: 8px;
  }
  .right-rail-btn.is-active { background: var(--accent-soft); }
  .right-rail-label { font-size: 12px; margin-top: 2px;}
  
  /* 将设置中心弹窗改为全屏 */
  .site-config-modal {
    width: 100vw; height: 100vh; max-height: 100vh;
    margin: 0; border-radius: 0; padding: 16px 16px calc(24px + env(safe-area-inset-bottom, 0px));
  }
  
  .search-input, .site-config-textarea, select, textarea, input {
    font-size: 16px !important;
  }
  
  /* 调整回到顶部按钮的位置，避免被底部导航栏遮挡 */
  .back-to-top { bottom: calc(80px + env(safe-area-inset-bottom, 16px)); right: 16px; }

  .hero-copy, .control-panel, .results-panel, .tasks-panel { padding: 16px; border-radius: var(--radius-card); }
  .search-form { flex-direction: column; align-items: stretch; gap: 12px; }
  .search-button { width: 100%; }
  .source-selector { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tab-bar { flex-direction: row; width: 100%; }
  .tab-button { flex: 1; justify-content: center; padding: 0 10px; font-size: 14px; }
  .results-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .result-card { padding: 10px; border-radius: var(--radius-card); }
  .result-title { font-size: 14px; }
  .detail-panel { width: 100vw; padding: 12px 12px calc(24px + env(safe-area-inset-bottom, 0px)); }
  .detail-topbar {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: flex-end;
    width: calc(100% + 24px);
    margin: -12px -12px 16px -12px;
    padding: 12px 16px;
    background: #fbfaf7;
    border-bottom: 1px solid var(--line);
    z-index: 100;
  }
  .detail-hero { grid-template-columns: 1fr; gap: 16px; padding: 16px; }
  .detail-cover { max-width: 140px; margin: 0 auto; }
  .detail-actions .download-button { width: 100%; }

  .source-filters-toggle {
    display: flex; align-items: center; justify-content: space-between; gap: 8px;
    width: 100%; padding: 12px 16px; margin: 4px 0 0; min-height: 44px;
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius-btn);
    color: var(--text); font-weight: 600; font-size: 14px; cursor: pointer;
  }
  .source-filters-toggle:hover { border-color: var(--accent); color: var(--accent-deep); }
  .source-filters { display: grid; gap: 14px; margin-top: 12px; }

  .bookshelf-toolbar { gap: 10px; }
  .bookshelf-actions-row { gap: 8px; }
  .bookshelf-actions-row .tool-button { padding: 6px 10px; font-size: 13px; min-height: 36px; }
}

@media (max-width: 960px) {
  .chapter-list.cols-4, .chapter-list.cols-5 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .chapter-list.cols-3, .chapter-list.cols-4, .chapter-list.cols-5 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 400px) {
  .results-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .result-card { padding: 8px; }
  .result-title { font-size: 13px; line-height: 1.35; }
  .result-author { font-size: 12px; }
  .chapter-list.cols-2, .chapter-list.cols-3, .chapter-list.cols-4, .chapter-list.cols-5 { grid-template-columns: repeat(1, 1fr); }
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-soft); }

.back-to-top {
  position: fixed; bottom: 24px; right: 24px; width: 44px; height: 44px;
  border-radius: 50%; background: var(--accent);
  color: white; border: none; box-shadow: 0 4px 12px var(--accent-glow);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: all 0.3s ease;
  opacity: 0; visibility: hidden; transform: translateY(20px) scale(0.9); z-index: 50;
}
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }
.back-to-top:hover { transform: translateY(-3px) scale(1.05); box-shadow: 0 8px 16px var(--accent-glow); background: var(--accent-strong); }
.back-to-top svg { width: 20px; height: 20px; }

.source-option:nth-child(4n+1) .source-option-key { background: rgba(74, 222, 128, 0.12); color: #16a34a; }
.source-option:nth-child(4n+2) .source-option-key { background: rgba(56, 189, 248, 0.12); color: #0284c7; }
.source-option:nth-child(4n+3) .source-option-key { background: rgba(167, 139, 250, 0.12); color: #7c3aed; }
.source-option:nth-child(4n+4) .source-option-key { background: rgba(251, 146, 60, 0.12); color: #c2410c; }

.result-card:nth-child(4n+1) .result-cover-overlay { background: rgba(74, 222, 128, 0.9); }
.result-card:nth-child(4n+2) .result-cover-overlay { background: rgba(56, 189, 248, 0.9); }
.result-card:nth-child(4n+3) .result-cover-overlay { background: rgba(167, 139, 250, 0.9); }
.result-card:nth-child(4n+4) .result-cover-overlay { background: rgba(251, 146, 60, 0.9); }

.chapter-item.is-clickable { cursor: pointer; }
.chapter-item.is-clickable:hover { border-color: var(--accent-strong); background: var(--accent-soft); }
.chapter-item.is-loading { opacity: 0.6; pointer-events: none; }

.reader-overlay[hidden] { display: none; }
.reader-overlay { position: fixed; inset: 0; z-index: 120; background: var(--reader-bg, #f9f5ef); display: flex; flex-direction: column; color: var(--reader-text, #334155); }
.reader-topbar {
  display: grid; grid-template-columns: auto auto minmax(0, 1fr) auto auto auto; align-items: center; gap: 12px; padding: 12px 16px;
  position: sticky; top: 0; z-index: 100;
  border-bottom: 1px solid var(--line); background: var(--reader-bg, #f9f5ef); flex-shrink: 0;
  color: var(--reader-text);
}
.reader-topbar .detail-close { min-width: 64px; }
.reader-topbar #readerCloseButton { justify-self: end; }
.reader-title { min-width: 0; font-size: 15px; font-weight: 600; color: currentColor; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.reader-bg-picker { display: flex; gap: 8px; align-items: center; justify-content: flex-end; flex-wrap: nowrap; }
.reader-bg-dot {
  width: 28px; height: 28px; padding: 0; border-radius: 50%; border: 2px solid var(--line); cursor: pointer; transition: border-color 0.2s;
}
.reader-bg-dot:hover, .reader-bg-dot.is-active { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-glow); }
.reader-font-control { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: currentColor; }
.reader-setting-select {
  min-height: 32px; padding: 0 10px; border-radius: 999px;
  color: currentColor; background: rgba(255,255,255,0.82); border: 1px solid var(--line);
  outline: none;
}
.reader-night-toggle {
  min-height: 32px; padding: 0 12px; border-radius: 999px;
  cursor: pointer; color: #f8fafc; background: #111827; font-size: 13px; font-weight: 700;
}
.reader-overlay.is-night .reader-topbar { background: rgba(17, 24, 39, 0.92); border-color: rgba(148, 163, 184, 0.28); }
.reader-overlay.is-night .detail-close { color: #dbeafe; background: rgba(59, 130, 246, 0.18); border-color: rgba(147, 197, 253, 0.45); }
.reader-overlay.is-night .reader-setting-select { background: rgba(15, 23, 42, 0.9); border-color: rgba(148, 163, 184, 0.36); }
.reader-overlay.is-night .reader-night-toggle { color: #111827; background: #fde68a; }
.reader-overlay.is-night .reader-catalog-card { background: rgba(17, 24, 39, 0.96); border-color: rgba(148, 163, 184, 0.32); }
.reader-overlay.is-night .reader-catalog-item { color: #e5e7eb; background: rgba(15, 23, 42, 0.82); border-color: rgba(148, 163, 184, 0.24); }
.reader-nav-btn {
  min-height: 36px; padding: 0 16px; border-radius: 10px; cursor: pointer;
  color: var(--accent-deep); background: var(--accent-soft); border: 1px solid var(--accent);
  font-weight: 600; font-size: 14px; transition: all 0.2s;
}
.reader-nav-btn:hover { background: var(--accent); color: #fff; }
.reader-nav-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.reader-catalog-panel[hidden] { display: none; }
.reader-catalog-panel {
  position: absolute; inset: 64px 16px auto auto; z-index: 130;
  width: min(420px, calc(100vw - 32px)); max-height: calc(100vh - 96px);
}
.reader-catalog-card {
  display: grid; grid-template-rows: auto minmax(0, 1fr); gap: 12px; max-height: inherit;
  padding: 16px; border: 1px solid var(--line); border-radius: 16px;
  background: rgba(255,255,255,0.96); box-shadow: 0 12px 30px rgba(15, 23, 42, 0.16);
}
.reader-catalog-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.reader-catalog-list { overflow: auto; display: grid; gap: 8px; padding-right: 4px; }
.reader-catalog-item {
  min-height: 40px; padding: 8px 12px; border-radius: 10px; cursor: pointer;
  text-align: left; color: var(--text); background: #fff; border: 1px solid var(--line);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 14px;
}
.reader-catalog-item:hover, .reader-catalog-item.is-active {
  color: var(--accent-deep); background: var(--accent-soft); border-color: var(--accent);
}

.reader-body {
  flex: 1; overflow-y: auto; overflow-x: hidden; padding: 32px 20px;
  -webkit-overflow-scrolling: touch; scroll-behavior: smooth;
}
.reader-content {
  max-width: 760px; margin: 0 auto; font-size: 18px; line-height: 1.8; color: var(--reader-text, #334155);
  white-space: pre-wrap; word-break: break-word;
}
.reader-content p { margin: 0 0 1em; text-indent: 2em; }
.reader-loading { text-align: center; padding: 48px; color: var(--muted); font-size: 15px; }
.reader-error { text-align: center; padding: 48px; color: var(--error); font-size: 15px; }
.reader-boundary { text-align: center; padding: 24px 0; color: var(--muted); font-size: 14px; }
.reader-boundary.is-loading::after {
  content: ""; display: inline-block; width: 8px; height: 8px; margin-left: 10px; border-radius: 50%;
  background: currentColor; animation: readerPulse 0.9s ease-in-out infinite;
}
@keyframes readerPulse { 0%, 100% { opacity: 0.25; transform: scale(0.8); } 50% { opacity: 1; transform: scale(1.15); } }

.reader-chapter-divider {
  text-align: center; padding: 40px 0; margin: 32px 0; border-top: 1px dashed var(--line);
  color: var(--accent-deep); font-size: 16px; font-weight: 700;
}
.reader-overlay.is-night .reader-chapter-divider { color: #93c5fd; border-color: rgba(148, 163, 184, 0.28); }

.reader-bottom {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 20px; border-top: 1px solid var(--line); background: #fff; flex-shrink: 0;
}
.reader-progress { font-size: 13px; color: var(--muted); }
.reader-end-hint { text-align: center; padding: 32px; color: var(--muted); font-size: 14px; }

@media (min-width: 1200px) {
  .chapter-list.cols-auto { grid-template-columns: repeat(auto-fill, minmax(145px, 1fr)); }
}

@media (max-width: 720px) {
  .reader-topbar {
    position: fixed; top: calc(8px + env(safe-area-inset-top, 0px)); left: 12px; right: 12px;
    grid-template-columns: auto auto minmax(0, 1fr) auto; gap: 10px; padding: 10px 12px;
    border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 10px 30px rgba(15, 23, 42, 0.14);
    opacity: 0; pointer-events: none; transform: translateY(-12px);
    transition: opacity 0.18s ease, transform 0.18s ease;
  }
  .reader-overlay.reader-controls-visible .reader-topbar { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .reader-progress { display: none; }
  .reader-bg-picker { grid-column: 1 / -1; justify-content: flex-start; flex-wrap: wrap; display: none; }
  .reader-overlay.reader-controls-visible .reader-bg-picker { display: flex; }
  .reader-back-button { grid-column: 1; grid-row: 1; justify-self: start; }
  .reader-topbar #readerCloseButton { grid-column: 4; grid-row: 1; justify-self: end; }
  .reader-nav-btn { min-height: 36px; padding: 0 12px; font-size: 13px; }
  .reader-catalog-panel { inset: 104px 12px auto 12px; width: auto; max-height: calc(100vh - 124px); }
  .reader-body { padding: 20px 16px; }
}

.bookshelf-panel { padding: 20px; display: grid; gap: 16px; }
.bookshelf-toolbar { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; justify-content: space-between; }
.bookshelf-breadcrumb { display: inline-flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.bookshelf-crumb {
  display: inline-flex; align-items: center; gap: 6px;
  min-height: 32px; padding: 0 12px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent-deep);
  border: 1px solid transparent; cursor: pointer; font-size: 14px; font-weight: 600;
}
.bookshelf-crumb:hover { border-color: var(--accent); }
.bookshelf-crumb.is-current { background: var(--accent); color: #fff; cursor: default; }
.bookshelf-crumb-sep { color: var(--muted); font-weight: 700; }
.bookshelf-actions { display: inline-flex; gap: 10px; flex-wrap: wrap; }

.bookshelf-card.is-folder .result-cover {
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--accent-soft), #ffffff);
  color: var(--accent-strong);
  border: 1px dashed var(--accent);
  aspect-ratio: 3 / 4;
}
.bookshelf-folder-cover { cursor: pointer; }
.bookshelf-folder-cover:hover { transform: scale(1.03); }

.bookshelf-actions-row {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px;
}
.bookshelf-actions-row .tool-button {
  flex: 1 1 auto; min-width: 0; justify-content: center;
}

.bookshelf-title-button {
  display: inline; padding: 0; margin: 0; border: 0; background: transparent;
  color: inherit; font: inherit; text-align: left; cursor: pointer;
}
.bookshelf-title-button:hover { color: var(--accent-strong); text-decoration: underline; }

.history-list { display: grid; gap: 12px; }
.history-card {
  display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: 14px; padding: 12px 14px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-card); box-shadow: var(--shadow);
  transition: all 0.2s ease;
}
.history-card:hover { transform: translateY(-1px); box-shadow: var(--shadow-hover); border-color: var(--accent); }
.history-card.is-clickable { cursor: pointer; }
.history-card.is-clickable:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.history-cover-wrap {
  display: block; width: 72px; aspect-ratio: 3 / 4; border-radius: 8px;
  overflow: hidden;
}
.history-cover { display: block; width: 100%; height: 100%; object-fit: cover; }
.history-body { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.history-title { font-size: 15px; font-weight: 600; line-height: 1.4; color: #0f172a; word-break: break-word; }
.history-author { color: var(--muted); font-size: 13px; }
.history-meta { display: flex; flex-wrap: wrap; gap: 8px; }
@media (max-width: 768px) {
  .history-card { padding: 10px; gap: 12px; grid-template-columns: 60px minmax(0, 1fr); }
  .history-cover-wrap { width: 60px; }
  .history-title { font-size: 14px; }
}

.task-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
.tasks-tools { display: inline-flex; gap: 12px; align-items: center; }

.version-bar {
  display: grid; gap: 10px;
  border: 1px solid var(--line); border-radius: var(--radius-card);
  padding: 12px 16px; margin-bottom: 16px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}
.version-bar-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.version-bar-info {
  display: inline-flex; align-items: center; gap: 12px; flex-wrap: wrap;
  flex: 1 1 auto; min-width: 0;
}
.version-bar-controls { display: inline-flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.version-label {
  font-size: 13px; color: var(--muted); font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.04em;
}
.version-current {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, monospace;
  font-size: 14px; font-weight: 700; color: var(--accent-strong);
  background: var(--accent-soft); padding: 4px 12px; border-radius: 999px;
}
.version-link {
  font-size: 13px; color: var(--accent-strong); text-decoration: none;
  border-bottom: 1px dashed var(--accent-soft);
}
.version-link:hover { border-bottom-color: var(--accent); }
.version-mirror-label { font-size: 13px; color: var(--muted); font-weight: 600; }
.version-mirror-select { width: auto; min-width: 200px; max-width: 260px; padding: 8px 12px; font-size: 14px; }
.search-button.is-compact { padding: 8px 16px; font-size: 14px; }
.version-result {
  padding: 10px 14px; border-radius: 10px; font-size: 14px; line-height: 1.5;
  border: 1px solid var(--line); background: #f8fafc; color: var(--text);
}
.version-result a { color: var(--accent-strong); text-decoration: underline; }
.version-result[data-kind="ok"] { background: #ecfdf5; border-color: #a7f3d0; color: #047857; }
.version-result[data-kind="warning"] { background: #fffbeb; border-color: #fcd34d; color: #92400e; }
.version-result[data-kind="error"] { background: #fef2f2; border-color: #fecaca; color: #b91c1c; }
.version-result[data-kind="info"] { background: #eff6ff; border-color: #bfdbfe; color: #1d4ed8; }
#versionCheckButton.is-loading { opacity: 0.7; cursor: progress; }
@media (max-width: 640px) {
  .version-bar-controls { width: 100%; }
  .version-mirror-select { flex: 1 1 auto; min-width: 0; }
}