:root {
  --bg: #f8fafc;
  --bg-elevated: rgba(255, 255, 255, 0.9);
  --panel: #ffffff;
  --panel-strong: #ffffff;
  --reader-surface: #ffffff;
  --text: #1e293b;
  --text-main: #1e293b;
  --text-secondary: #64748b;
  --muted: #64748b;
  --border: #e2e8f0;
  --primary-color: #2563eb;
  --primary-strong: #1d4ed8;
  --primary-soft: rgba(37, 99, 235, 0.08);
  --accent: #2563eb;
  --accent-strong: #1d4ed8;
  --accent-soft: rgba(37, 99, 235, 0.1);
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  --reader-font-size: 20px;
  --reader-line-height: 1.8;
  --reader-width: 800px;
  --reader-paragraph-gap: 1.6em;
  --reader-font-family: "Merriweather", Georgia, serif;
  --app-max-width: min(1600px, 94vw);
  --app-padding: 20px;

  /* Desktop Density Tokens */
  --ui-font-xs: 10.5px;
  --ui-font-sm: 12px;
  --ui-font-md: 13px;
  --ui-font-lg: 14px;
  --ui-font-xl: 16.5px;
  --ui-font-2xl: 22px;
  --ui-font-3xl: 25px;

  --control-height-sm: 28px;
  --control-height: 33px;
  --control-height-lg: 38px;

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 18px;

  --radius-sm: 8px;
  --radius-md: 11px;
  --radius-lg: 14px;

  /* Reader glass config */
  --reader-chrome-bg: rgba(255, 255, 255, 0.92);
  --reader-chrome-btn-bg: rgba(241, 245, 249, 0.9);
  --reader-chrome-blur: 16px;
  --reader-chrome-saturate: 160%;
  --reader-chrome-border: #e2e8f0;
  --reader-chrome-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
}

body.theme-dark {
  --bg: #090d16;
  --bg-elevated: rgba(15, 23, 42, 0.9);
  --panel: #0f172a;
  --panel-strong: #1e293b;
  --reader-surface: #0f172a;
  --text: #f8fafc;
  --text-main: #f8fafc;
  --text-secondary: #94a3b8;
  --muted: #94a3b8;
  --border: #334155;
  --primary-color: #38bdf8;
  --primary-strong: #0284c7;
  --primary-soft: rgba(56, 189, 248, 0.15);
  --accent: #38bdf8;
  --accent-strong: #0284c7;
  --accent-soft: rgba(56, 189, 248, 0.15);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.4);

  --reader-chrome-bg: rgba(15, 23, 42, 0.92);
  --reader-chrome-btn-bg: rgba(30, 41, 59, 0.9);
  --reader-chrome-border: #334155;
  --reader-chrome-shadow: 0 12px 36px rgba(0, 0, 0, 0.4);
}

body.theme-sepia {
  --bg: #fbf0d9;
  --bg-elevated: rgba(251, 240, 217, 0.9);
  --panel: #f7e8cb;
  --panel-strong: #fcf4e4;
  --reader-surface: #fbf0d9;
  --text: #3f2e1e;
  --text-main: #3f2e1e;
  --text-secondary: #78624c;
  --muted: #78624c;
  --border: #e8d7bb;
  --primary-color: #b45309;
  --primary-strong: #78350f;
  --primary-soft: rgba(180, 83, 9, 0.12);
  --accent: #b45309;
  --accent-strong: #78350f;
  --accent-soft: rgba(180, 83, 9, 0.12);
  --shadow: 0 4px 20px rgba(92, 67, 45, 0.08);

  --reader-chrome-bg: rgba(251, 240, 217, 0.92);
  --reader-chrome-btn-bg: rgba(247, 232, 203, 0.9);
  --reader-chrome-border: #e8d7bb;
  --reader-chrome-shadow: 0 12px 36px rgba(85, 61, 39, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 120px;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  transition: background 0.32s ease, color 0.32s ease;
}

body.reader-mode {
  background: var(--bg);
}

body.hide-reader-chrome .topbar,
body.hide-reader-chrome .sub-header-nav {
  transform: translateY(-120%);
  opacity: 0;
  pointer-events: none;
}

body.hide-reader-chrome .floating-reader-nav {
  transform: translateY(150%);
  opacity: 0;
  pointer-events: none;
}

button,
input {
  font: inherit;
}

body {
  -webkit-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.hidden {
  display: none !important;
}

.reading-progress {
  position: fixed;
  inset: 0 auto auto 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  z-index: 300;
  transition: width 0.08s linear;
}

.app-shell {
  min-height: 100vh;
  display: block;
  width: 100%;
}

.app-shell.sidebar-collapsed {
  display: block;
}


.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 300px;
  height: 100vh;
  overflow: auto;
  padding: 28px 20px;
  border-right: 1px solid var(--border);
  background: var(--bg-elevated);
  backdrop-filter: blur(16px);
  transition: opacity 0.24s ease, transform 0.28s ease, padding 0.28s ease;
  z-index: 100;
}

.app-shell.sidebar-collapsed .sidebar {
  opacity: 0;
  transform: translateX(-100%);
  padding-left: 0;
  padding-right: 0;
  overflow: hidden;
  pointer-events: none;
  border-right: none;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.brand-badge {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: var(--panel-strong);
  box-shadow: var(--shadow);
}

.brand h1 {
  margin: 0;
  font-size: 20px;
}

.brand p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.search-box {
  position: relative;
}

.clear-search-btn {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 14px;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: color 0.2s, background 0.2s;
}

.clear-search-btn:hover {
  color: var(--text);
  background: var(--border);
}

.search-box input {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--panel-strong);
  color: var(--text);
  outline: none;
  transition: border-color 0.24s ease, box-shadow 0.24s ease, background 0.24s ease;
  padding-right: 36px;
}

.search-box input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 5px var(--accent-soft), 0 0 0 1px var(--accent);
  background: color-mix(in srgb, var(--panel-strong) 96%, var(--accent-soft) 4%);
}

.sidebar-section {
  margin-top: 20px;
}

.section-title {
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.story-list,
.chapter-list,
.library-grid {
  display: grid;
  gap: 12px;
}

.story-list {
  grid-auto-rows: max-content;
}

.story-list-item,
.chapter-item,
.story-card,
.story-detail-card,
.chapter-panel,
.reader-card,
.settings-card {
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.story-list-item,
.chapter-item,
.story-card {
  width: 100%;
  text-align: left;
  color: var(--text);
  background: var(--panel-strong);
  border-radius: 18px;
  transition: transform 0.2s ease-out, border-color 0.2s ease-out, box-shadow 0.2s ease-out, background 0.2s ease-out;
}

.story-list-item:hover,
.chapter-item:hover,
.story-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 12px 24px color-mix(in srgb, var(--accent) 8%, rgba(0, 0, 0, 0.05) 92%);
  background: color-mix(in srgb, var(--panel-strong) 98%, var(--accent-soft) 2%);
}

.story-list-item:active,
.chapter-item:active,
.story-card:active {
  transform: translateY(0) scale(0.98);
  box-shadow: 0 4px 12px color-mix(in srgb, var(--accent) 4%, rgba(0, 0, 0, 0.04) 96%);
}

.story-list-item {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow: hidden;
}

.story-list-item.active {
  background: linear-gradient(180deg, var(--panel-strong), color-mix(in srgb, var(--accent-soft) 50%, var(--panel-strong) 50%));
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-soft), var(--shadow);
}

.sidebar-story-title {
  display: block;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-story-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.sidebar-author,
.muted,
.detail-meta,
.story-card span,
.story-list-item span {
  color: var(--muted);
  font-size: 13px;
}

.sidebar-author {
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.main-content {
  grid-column: 2;
  min-width: 0;
  padding: 12px 20px 28px;
}

.topbar,
.sub-header-nav {
  position: sticky;
  transition: transform 0.28s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.28s ease, background 0.28s ease;
}

.topbar {
  top: 0;
  z-index: 120;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-elevated);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.topbar-left,
.topbar-center,
.topbar-right,
.reader-toolbar,
.section-row,
.story-detail-header,
.settings-head,
.settings-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.topbar-left {
  flex: 1;
  min-width: 0;
}

.page-heading {
  min-width: 0;
}

#pageTitle {
  margin: 0;
  font-size: var(--ui-font-2xl);
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#pageSubtitle {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: var(--ui-font-sm);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ghost-btn,
.primary-btn {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0 12px;
  height: var(--control-height);
  font-size: var(--ui-font-sm);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: var(--panel-strong);
  color: var(--text);
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.ghost-btn:hover,
.primary-btn:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
}

.ghost-btn:active {
  transform: translateY(0px);
}

.icon-btn {
  min-width: var(--control-height);
  width: var(--control-height);
  height: var(--control-height);
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.primary-btn {
  color: #fff;
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
  border-color: transparent;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.library-grid {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.story-card {
  min-height: 150px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.26), transparent),
    var(--panel-strong);
}

.story-card strong {
  display: block;
  margin-bottom: 4px;
  font-size: var(--ui-font-lg);
  line-height: 1.35;
}

#detailView {
  max-width: var(--app-max-width);
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

.story-detail-card,
.chapter-panel,
.reader-card,
.settings-card {
  background: var(--panel);
  border-radius: var(--radius-lg);
  box-sizing: border-box;
}

.story-detail-card,
.chapter-panel {
  padding: 20px 24px;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.story-detail-card {
  margin-bottom: 16px;
}

.detail-badge,
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: var(--ui-font-xs);
  font-weight: 600;
}

.detail-badge,
.tag-genre {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.tag-status {
  background: rgba(25, 118, 210, 0.12);
  color: #1565c0;
}

.tag-status.completed {
  background: rgba(46, 125, 50, 0.12);
  color: #2e7d32;
}

.tag-status.paused {
  background: rgba(211, 47, 47, 0.12);
  color: #d32f2f;
}

body.theme-dark .tag-status {
  background: rgba(25, 118, 210, 0.22);
  color: #b7d7ff;
}

body.theme-dark .tag-status.completed {
  background: rgba(46, 125, 50, 0.24);
  color: #cbe8cc;
}

body.theme-dark .tag-status.paused {
  background: rgba(211, 47, 47, 0.24);
  color: #ffcdd2;
}

.story-detail-header {
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
}

.story-detail-header>div:first-child {
  flex: 1;
  min-width: 0;
}

#detailTitle,
.reader-header h3 {
  margin: 0;
  font-size: var(--ui-font-2xl);
  line-height: 1.25;
  word-break: break-word;
}

#continueReadingBtn {
  flex-shrink: 0;
  white-space: nowrap;
}

.detail-description-wrap {
  margin-top: 8px;
}

.detail-description {
  margin: 12px 0 0;
  font-size: var(--ui-font-md);
  line-height: 1.7;
  color: color-mix(in srgb, var(--text) 94%, var(--muted) 6%);
  white-space: pre-line;
  letter-spacing: 0.01em;
}

.detail-description.clamp {
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.description-toggle-btn {
  margin-top: 10px;
}

.section-row {
  justify-content: space-between;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.section-row h4 {
  margin: 0;
  font-size: var(--ui-font-xl);
}

.chapter-panel-meta,
.chapter-pagination,
.tags-container {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.chapter-item {
  padding: 10px 14px;
}

.chapter-item strong {
  display: block;
  margin-bottom: 4px;
}

.chapter-item.reading {
  background: linear-gradient(180deg, var(--panel-strong), color-mix(in srgb, var(--accent-soft) 55%, var(--panel-strong) 45%));
  border: 1px solid var(--accent);
}

.reader-card {
  padding: 48px 72px 200px;
  margin: 24px auto;
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.04);
}

.reader-header {
  margin-bottom: 28px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}

.reader-story-title {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: var(--ui-font-xs);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.reader-content {
  font-family: var(--reader-font-family);
  font-size: var(--reader-font-size);
  line-height: var(--reader-line-height);
  letter-spacing: 0.025em;
  word-spacing: 0.1em;
}

.reader-content p {
  margin: 0 0 var(--reader-paragraph-gap);
  text-align: justify;
  hyphens: auto;
}

.reader-content p:first-child::first-letter {
  font-size: 1.18em;
  font-weight: 700;
}

.sub-header-nav {
  top: 80px;
  margin-bottom: 16px;
  z-index: 110;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 10px;
  align-items: center;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.sub-header-left {
  min-width: 0;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.separator {
  margin: 0 4px;
}

#subChapterTitle {
  color: var(--text);
}

.sub-header-center {
  display: flex;
  gap: 6px;
  justify-content: center;
}

.bottom-reader-toolbar {
  width: min(var(--reader-width), calc(100vw - 48px));
  margin: 0 auto;
}

.floating-reader-nav {
  width: max-content;
  max-width: min(var(--reader-width), calc(100vw - 32px));
  margin: 0 auto;
  position: sticky;
  bottom: 14px;
  z-index: 105;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 6px 12px;
  min-height: 44px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-elevated);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
}


.bottom-reader-toolbar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.reading-settings-panel {
  position: fixed;
  inset: 0 0 0 auto;
  z-index: 210;
  width: min(360px, calc(100vw - 24px));
  padding: 18px;
  display: flex;
  justify-content: flex-end;
  background: rgba(0, 0, 0, 0.12);
  backdrop-filter: blur(4px);
}

.settings-card {
  margin-top: 32px;
  width: 100%;
  padding: 18px;
  background: var(--panel-strong);
}

.settings-head {
  justify-content: space-between;
  margin-bottom: 18px;
}

.settings-head h4 {
  margin: 0;
  font-size: 20px;
}

.settings-group+.settings-group {
  margin-top: 18px;
}

.settings-label {
  display: block;
  margin-bottom: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.segmented-control {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.segmented-control .ghost-btn.active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent-strong);
}

.settings-value {
  min-width: 72px;
  text-align: center;
  font-weight: 600;
}

#readerWidthRange {
  width: 100%;
  accent-color: var(--accent);
}

.range-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}

.page-loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 260;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.12);
  backdrop-filter: blur(4px);
  opacity: 1;
  transition: opacity 0.18s ease;
}

.page-loading-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.page-loading-spinner {
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 4px solid color-mix(in srgb, var(--accent) 24%, transparent);
  border-top-color: var(--accent);
  animation: spin 0.7s linear infinite;
}

.empty-state {
  padding: 20px;
  text-align: center;
  color: var(--muted);
  border: 1px dashed var(--border);
  border-radius: 18px;
}

.ghost-btn:disabled {
  opacity: 0.42;
  cursor: not-allowed;
  pointer-events: none;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 1400px) {

  .reader-card,
  .floating-reader-nav,
  .bottom-reader-toolbar {
    width: min(var(--reader-width), calc(100vw - 32px));
  }
}

@media (max-width: 1100px) {

  .app-shell,
  .app-shell.sidebar-collapsed {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: relative;
    width: 100%;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
    z-index: 1;
  }

  .main-content {
    padding: 16px;
  }

  .topbar {
    padding: 14px;
  }

  .sub-header-nav {
    top: 86px;
    grid-template-columns: 1fr;
    justify-items: center;
  }

  .sub-header-left {
    display: none;
  }
}

@media (max-width: 680px) {
  .story-detail-header {
    flex-direction: column;
    align-items: stretch;
  }

  #continueReadingBtn {
    width: 100%;
  }

  .reader-content {
    line-height: 2.1;
  }
}

#saveProgressBtn {
  font-size: 18px;
  transition: all 0.2s ease;
}

#saveProgressBtn.saved {
  background: var(--accent-soft);
  color: var(--accent-strong);
  border-color: var(--accent);
  transform: scale(1.1);
}

/* Popup thông báo chuyển chương */
.next-chapter-popup {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  z-index: 500;
  background: var(--panel-strong);
  padding: 16px 24px;
  border-radius: 20px;
  border: 1px solid var(--accent);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  opacity: 0;
  pointer-events: none;
}

.next-chapter-popup.active {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.popup-content {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
  font-weight: 600;
}

.popup-progress-wrap {
  width: 200px;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.popup-progress-bar {
  width: 0%;
  height: 100%;
  background: var(--accent);
}

/* Hiệu ứng thanh chạy 2 giây */
.next-chapter-popup.active .popup-progress-bar {
  width: 100%;
}

/* Style cho checkbox trong bảng cài đặt */
.settings-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 14px;
}

.checkbox-item input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

/* style.css */
.folder-select-wrap {
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}

#storyFolderSelect {
  padding: 4px 12px;
  border-radius: 8px;
  background: var(--bg-elevated);
}

/* Thêm icon folder nhỏ vào sidebar-story-meta nếu muốn */
.tag-folder {
  background: var(--accent);
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 10px;
}

/* style.css */

/* Style chung cho các thẻ Select (Dropdown) */
.folder-select-ui {
  width: 100%;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--panel-strong);
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  outline: none;
  appearance: none;
  /* Ẩn mũi tên mặc định của trình duyệt */
  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='currentColor' 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 12px center;
  background-size: 16px;
  transition: all 0.2s ease;
}

.folder-select-ui:hover {
  border-color: var(--accent);
  background-color: color-mix(in srgb, var(--panel-strong) 96%, var(--accent-soft) 4%);
}

.folder-select-ui:focus {
  box-shadow: 0 0 0 4px var(--accent-soft);
  border-color: var(--accent);
}

/* Căn chỉnh riêng cho Dropdown trong trang chi tiết */
.folder-select-wrap {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.folder-select-wrap label {
  font-size: 13px;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
}

#storyFolderSelect {
  width: auto;
  /* Trang chi tiết không cần rộng 100% */
  min-width: 180px;
}

/* Tùy chỉnh thanh cuộn cho các trình duyệt hiện đại */
* {
  scrollbar-width: thin;
  /* Độ rộng nhỏ cho Firefox */
  scrollbar-color: var(--muted) transparent;
  /* Màu nút cuộn và màu nền trên Firefox */
}

/* Tùy chỉnh cho Chrome, Edge, và Safari (Webkit) */
::-webkit-scrollbar {
  width: 8px;
  /* Độ rộng của thanh cuộn dọc */
  height: 8px;
  /* Độ cao của thanh cuộn ngang */
}

::-webkit-scrollbar-track {
  background: transparent;
  /* Nền của thanh cuộn để trong suốt để lộ màu --bg */
}

::-webkit-scrollbar-thumb {
  background-color: var(--muted);
  /* Sử dụng màu muted của từng theme */
  border-radius: 20px;
  /* Tạo khoảng trắng quanh nút cuộn bằng cách dùng border trùng màu nền theme */
  border: 2px solid var(--bg);
}

::-webkit-scrollbar-thumb:hover {
  background-color: var(--accent);
  /* Khi di chuột vào sẽ hiện màu nhấn của theme */
}

/* Riêng cho khu vực Sidebar nếu bạn muốn nó mờ hơn nữa */
.sidebar::-webkit-scrollbar-thumb {
  background-color: color-mix(in srgb, var(--muted) 50%, transparent);
}

/* style.css */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-toggle-btn {
  padding: 6px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel-strong);
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tag-toggle-btn:hover {
  border-color: var(--accent);
}

.tag-toggle-btn.active {
  background: var(--accent-soft);
  color: var(--accent-strong);
  border-color: var(--accent);
  box-shadow: 0 4px 12px var(--accent-soft);
}

/* style.css */
.sidebar-tag-icons {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
  /* Đảm bảo icon không bị bóp méo khi tiêu đề dài */
  font-size: 14px;
}

.sidebar-story-title {
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Class dùng để ẩn hoàn toàn con trỏ chuột */
body.hide-cursor,
body.hide-cursor * {
  cursor: none !important;
}

/* Hiệu ứng làm mờ cho truyện đã cày xong ở Thư viện */
.story-card.read-completed {
  opacity: 0.55;
  /* Làm mờ đi gần một nửa */
  /* Chuyển nền sang màu hơi xám tối một chút cho chìm xuống */
  background: color-mix(in srgb, var(--panel-strong) 90%, var(--muted) 10%);
  box-shadow: none;
  /* Bỏ đổ bóng để trông nó "chìm" hơn */
}

/* Khi di chuột vào truyện đã đọc xong, sáng lên lại một chút để dễ nhìn */
.story-card.read-completed:hover {
  opacity: 0.9;
  background: color-mix(in srgb, var(--panel-strong) 98%, var(--accent-soft) 2%);
}

/* Style cho phần hiển thị Nguồn truyện */
.detail-crawl-info {
  margin-top: 10px;
  font-size: 13px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.detail-crawl-info a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  transition: opacity 0.2s;
}

.detail-crawl-info a:hover {
  opacity: 0.8;
  text-decoration: underline;
}

.chapter-search-input {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel-strong);
  color: var(--text);
  outline: none;
  width: 170px;
  font-size: 13px;
  transition: border-color 0.2s;
}

.chapter-search-input:focus {
  border-color: var(--accent);
}

.chapter-item.highlight {
  animation: highlight-blink 1.5s ease;
}

@keyframes highlight-blink {
  0% {
    background-color: var(--accent-soft);
    border-color: var(--accent);
  }

  100% {
    background-color: var(--panel-strong);
    border-color: var(--border);
  }
}



/* --- Alternative Names / Tên khác --- */
.story-alt-names {
  display: block;
  margin-top: -2px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
  opacity: 0.9;
}

.story-card .story-alt-names {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.modal-alt-names {
  margin: -6px 0 10px;
  font-size: 11px;
}

.alt-names-box {
  margin: 6px auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 13px;
}

.alt-names-label {
  font-weight: 700;
  color: var(--muted);
}

.alt-name-chip-list {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
}

.alt-name-chip {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 10px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.alt-name-chip:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent-soft) 78%, var(--panel-strong) 22%);
}

/* --- GIAO DIỆN TRANG CHI TIẾT MỚI (MODERN UI) --- */
.modern-detail {
  padding: 20px 24px !important;
  border-radius: var(--radius-lg) !important;
}

.title-rating-wrap {
  text-align: center;
  margin-bottom: 14px;
}

.modern-title {
  font-size: var(--ui-font-2xl) !important;
  font-weight: 800;
  margin-bottom: 4px !important;
}

.story-rating {
  font-size: 16px;
  letter-spacing: 2px;
}

.interactive-star {
  cursor: pointer;
  color: color-mix(in srgb, var(--muted) 40%, transparent);
  transition: color 0.2s, transform 0.2s;
  display: inline-block;
}

.interactive-star.filled {
  color: #fbbf24;
}

.interactive-star:hover {
  transform: scale(1.15);
}

/* --- LƯỚI THÔNG TIN TRUYỆN (META GRID) --- */
.meta-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 20px;
  align-items: stretch;
  width: 100%;
}

@media (max-width: 1100px) and (min-width: 769px) {
  .meta-grid {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  }
}

.meta-info-box {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  background: var(--panel-strong);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 82px;
  box-sizing: border-box;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.meta-info-box:hover {
  border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
}

.meta-label,
.meta-info-box > div:first-child:not(.meta-value) {
  height: 20px;
  min-height: 20px;
  display: flex;
  align-items: center;
}

.meta-label {
  font-size: 10.5px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0;
  line-height: 1;
}

#forceUpdateBtn {
  padding: 0 4px !important;
  height: 18px !important;
  min-height: 18px !important;
  line-height: 1 !important;
  border-radius: 4px !important;
  opacity: 0.75;
  transition: opacity 0.15s ease, transform 0.15s ease;
}

#forceUpdateBtn:hover {
  opacity: 1;
  transform: rotate(45deg);
}

.meta-value {
  margin-top: 6px;
  min-height: 24px;
  display: flex;
  align-items: center;
}

.meta-value.font-semibold {
  font-weight: 600;
  font-size: 13.5px;
  color: var(--text);
  line-height: 1.35;
  word-break: break-word;
}

.meta-value.tags-container {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
}

/* --- THANH TIẾN ĐỘ ĐỌC --- */
.progress-section {
  width: 100%;
  max-width: 480px;
  margin: 16px auto 14px auto;
  box-sizing: border-box;
}

.progress-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12.5px;
  margin-bottom: 6px;
  color: var(--muted);
}

.progress-percent {
  font-weight: 700;
  color: var(--primary-color, #2563eb);
}

body.theme-dark .progress-percent {
  color: #38bdf8;
}

body.theme-sepia .progress-percent {
  color: #b45309;
}

.progress-bar-bg {
  width: 100%;
  height: 7px;
  background: var(--border);
  border-radius: 999px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #3b82f6, #2563eb);
  width: 0%;
  border-radius: 999px;
  transition: width 0.5s ease;
}

body.theme-dark .progress-bar-fill {
  background: linear-gradient(90deg, #7dd3fc, #38bdf8);
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.35);
}

body.theme-sepia .progress-bar-fill {
  background: linear-gradient(90deg, #d97706, #b45309);
}

/* --- NÚT ▶ ĐỌC TIẾP --- */
.block-btn,
#continueReadingBtn {
  width: 100%;
  max-width: 480px;
  height: 42px;
  margin: 0 auto 16px auto;
  padding: 0 20px;
  font-size: 14px;
  font-weight: 700;
  border-radius: var(--radius-md);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  background: linear-gradient(180deg, #2563eb, #1d4ed8);
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
  cursor: pointer;
  box-sizing: border-box;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.block-btn:hover,
#continueReadingBtn:hover {
  background: linear-gradient(180deg, #3b82f6, #2563eb);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.45);
}

body.theme-dark .block-btn,
body.theme-dark #continueReadingBtn {
  background: linear-gradient(180deg, #38bdf8, #0284c7);
  color: #090d16;
  box-shadow: 0 4px 16px rgba(56, 189, 248, 0.35);
}

body.theme-dark .block-btn:hover,
body.theme-dark #continueReadingBtn:hover {
  background: linear-gradient(180deg, #7dd3fc, #38bdf8);
  box-shadow: 0 6px 20px rgba(56, 189, 248, 0.5);
  transform: translateY(-1px);
}

body.theme-sepia .block-btn,
body.theme-sepia #continueReadingBtn {
  background: linear-gradient(180deg, #b45309, #78350f);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(180, 83, 9, 0.3);
}

body.theme-sepia .block-btn:hover,
body.theme-sepia #continueReadingBtn:hover {
  background: linear-gradient(180deg, #d97706, #b45309);
  box-shadow: 0 6px 18px rgba(180, 83, 9, 0.45);
}

.modern-crawl {
  justify-content: center;
  margin-bottom: 14px;
  background: var(--accent-soft);
  padding: 8px 12px;
  border-radius: var(--radius-md);
}

/* --- CỤM ĐÁNH DẤU TRẠNG THÁI ĐỌC --- */
.folder-select-wrap.modern-tags-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin: 16px auto 22px auto;
  padding-bottom: 18px;
  border-bottom: 1px dashed var(--border);
  flex-wrap: wrap;
  max-width: 580px;
}

.folder-select-wrap.modern-tags-wrap label {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0;
  white-space: nowrap;
}

.folder-select-wrap.modern-tags-wrap .tag-cloud {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.intro-section {
  background: var(--panel-strong);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  border: 1px solid var(--border);
}

.intro-heading {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 10px 0;
  padding-left: 10px;
  border-left: 4px solid #2563eb;
  color: var(--text);
}

/* --- NÚT LÊN ĐẦU TRANG --- */
.scroll-to-top-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 150;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--primary-color, #2563eb);
  color: #ffffff;
  border: none;
  font-size: 18px;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
  transition: opacity 0.3s ease, transform 0.3s ease, background 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scroll-to-top-btn:hover {
  background: var(--primary-strong, #1d4ed8);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.45);
}

.scroll-to-top-btn.hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px);
}

@media (max-width: 680px) {
  .scroll-to-top-btn {
    bottom: 16px;
    right: 16px;
    width: 38px;
    height: 38px;
    font-size: 16px;
  }
}

body.reader-mode .sidebar {
  position: fixed !important;
  left: 0;
  top: 0;
  height: 100vh;
  z-index: 1000 !important;
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.2);
}

body.reader-mode .main-content {
  grid-column: 1 / -1 !important;
  margin-left: 0 !important;
  width: 100% !important;
}

.topbar {
  z-index: 40;
}

#sidebarToggleBtn {
  position: relative;
  z-index: 995 !important;
  cursor: pointer !important;
  pointer-events: auto !important;
}

body.reader-mode .app-shell.sidebar-collapsed .topbar {
  transition: padding-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.clickable-filter {
  cursor: pointer;
  transition: all 0.2s ease;
}

#metaAuthor .clickable-filter:hover {
  color: var(--accent);
  text-decoration: underline;
}

#metaGenres .tag.clickable-filter:hover,
#metaStatus .tag.clickable-filter:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.12);
  filter: brightness(1.08);
}

/* --- UI Modal Lọc Nâng Cao --- */
.modal-content {
  width: min(1180px, calc(100vw - 64px));
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  transform: translateY(16px);
  opacity: 0;
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

#advancedSearchModal:not(.hidden) .modal-content {
  transform: translateY(0);
  opacity: 1;
}

#advancedSearchModal {
  z-index: 300;
}

.tag-checkbox {
  cursor: pointer;
  display: inline-flex;
  margin: 0;
}

.tag-checkbox input {
  display: none;
}

.tag-checkbox span {
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--panel-strong);
  color: var(--muted);
  font-size: 11.5px;
  transition: all 0.15s ease;
  user-select: none;
}

.tag-checkbox input:checked+span {
  background: var(--accent-soft);
  color: var(--accent-strong);
  border-color: var(--accent);
  box-shadow: 0 2px 8px var(--accent-soft);
}

.scrollable-tags {
  max-height: 130px;
  overflow-y: auto;
  padding-bottom: 4px;
  align-items: flex-start;
  align-content: flex-start;
}

body.modal-open {
  overflow: hidden;
  padding-right: 8px;
}

.master-tag span {
  font-weight: 700;
  border-style: dashed !important;
}

.topbar #menuBtn {
  position: relative;
  z-index: 995 !important;
  cursor: pointer !important;
  pointer-events: auto !important;
}

.app-shell,
.app-shell.sidebar-collapsed {
  grid-template-columns: 1fr !important;
}

.main-content {
  grid-column: 1 / -1 !important;
}

/* --- GIAO DIỆN MODAL 2 CỘT TÌM KIẾM --- */
.split-layout-modal {
  width: min(1180px, calc(100vw - 64px)) !important;
  max-width: calc(100vw - (var(--app-padding) * 2)) !important;
  height: min(700px, calc(100vh - 64px));
  max-height: 740px;
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg) !important;
  padding: 18px 22px !important;
  margin-left: auto;
  margin-right: auto;
}

#advancedSearchModal.page-loading-overlay {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 10px;
}

.modal-split-container {
  display: flex;
  gap: 18px;
  flex: 1;
  overflow: hidden;
  margin-top: 8px;
}

.modal-left-panel {
  flex: 0 0 270px;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding-right: 14px;
  border-right: 1px solid var(--border);
}

.modal-right-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: 10px 12px;
  background: color-mix(in srgb, var(--bg-elevated) 40%, transparent);
  border-radius: var(--radius-md);
}

#modalSearchResults {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
  padding-bottom: 16px;
}

/* 5. Giao diện Mobile: Trở về 1 cột dọc truyền thống */
@media (max-width: 850px) {
  .split-layout-modal {
    height: 90vh;
    /* Thu lại trên mobile */
  }

  .modal-split-container {
    flex-direction: column;
    /* Xếp chồng */
    overflow-y: auto;
    /* Cuộn cả trang thay vì cuộn từng cột */
  }

  .modal-left-panel {
    flex: none;
    border-right: none;
    border-bottom: 1px dashed var(--border);
    padding-right: 0;
    padding-bottom: 24px;
    overflow-y: visible;
    /* Tắt cuộn riêng */
  }

  .modal-right-panel {
    overflow-y: visible;
    /* Tắt cuộn riêng */
  }
}

@media (max-width: 1024px) {
  .modal-split-container {
    flex-direction: column;
    /* Xếp cột trái trên, cột phải dưới */
    overflow-y: auto;
  }

  .modal-left-panel {
    flex: none;
    width: 100%;
    /* Chiếm hết chiều ngang */
    border-right: none;
    border-bottom: 1px dashed var(--border);
    padding-right: 0;
    padding-bottom: 20px;
  }

  .modal-right-panel {
    width: 100%;
    padding-left: 0;
  }
}

.field-hint {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
}

.modal-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.modal-actions-right {
  display: flex;
  gap: 10px;
  margin-left: auto;
}

@media (max-width: 720px) {
  .modal-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .modal-actions-right {
    width: 100%;
    margin-left: 0;
  }

  .modal-actions-right button {
    flex: 1;
  }
}

.chapter-editor-modal {
  width: min(980px, calc(100vw - 48px));
  height: min(82vh, 760px);
  max-height: calc(100dvh - 32px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 12px 16px !important;
  border-radius: 14px !important;
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.28s cubic-bezier(0.34, 1.56, 0.64, 1);
}

#chapterEditorModal:not(.hidden) .chapter-editor-modal {
  transform: translateY(0);
  opacity: 1;
}

.chapter-editor-header {
  margin-bottom: 8px !important;
}

.chapter-editor-header h4 {
  font-size: 15px;
  font-weight: 600;
  margin: 0;
  line-height: 1.3;
}

.chapter-editor-actions button {
  height: 28px;
  padding: 0 10px;
  font-size: 12px;
  border-radius: 6px;
}

.chapter-editor-form {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  gap: 6px;
}

.editor-main-group {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  gap: 6px;
  margin: 0;
}

.chapter-editor-path {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 11.5px;
  word-break: break-all;
}

.chapter-editor-textarea {
  width: 100%;
  flex: 1;
  min-height: 200px;
  resize: none;
  line-height: 1.48;
  font-family: var(--reader-font-family);
  font-size: 13.5px;
  white-space: pre-wrap;
  padding: 8px 10px;
  border-radius: 6px;
}

#editChapterBtn {
  white-space: nowrap;
}

@media (max-width: 720px) {
  .chapter-editor-modal {
    width: calc(100vw - 16px);
    height: calc(100dvh - 16px);
    max-height: calc(100dvh - 16px);
    padding: 10px 12px !important;
  }
}

.admin-page {
  background:
    radial-gradient(circle at top left, var(--accent-soft), transparent 28%),
    linear-gradient(180deg, var(--bg), color-mix(in srgb, var(--bg) 90%, #000 10%));
}

.admin-shell {
  width: min(1500px, calc(100vw - 48px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.admin-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 28px;
  background: var(--bg-elevated);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  margin-bottom: 18px;
}

.admin-eyebrow {
  margin: 0 0 6px;
  color: var(--accent-strong);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.admin-topbar h1 {
  margin: 0;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.05;
}

.admin-subtitle {
  margin: 10px 0 0;
  color: var(--muted);
}

.admin-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 14px;
}

.admin-stat-card,
.admin-panel {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.admin-stat-card {
  padding: 20px;
  min-height: 142px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.admin-stat-label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.admin-stat-card strong {
  font-size: 42px;
  line-height: 1;
}

.admin-stat-card small {
  color: var(--muted);
}

.admin-stat-card.danger {
  background:
    linear-gradient(180deg, rgba(211, 47, 47, 0.08), transparent),
    var(--panel);
}

.admin-main-grid {
  display: grid;
  grid-template-columns: 1.1fr 1.4fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}

.admin-bottom-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 14px;
}

.admin-panel {
  padding: 20px;
  overflow: hidden;
}

.admin-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.admin-panel-head h2 {
  margin: 0;
  font-size: 18px;
}

.admin-badge {
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 700;
}

.admin-badge.running {
  background: rgba(46, 125, 50, 0.12);
  color: #2e7d32;
}

.current-task-box {
  padding: 18px;
  border-radius: 18px;
  background: var(--panel-strong);
  border: 1px solid var(--border);
}

.current-task-title {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 6px;
}

.current-task-subtitle {
  color: var(--muted);
  margin-bottom: 18px;
}

.admin-progress-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  color: var(--muted);
}

.admin-progress-bg {
  height: 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  overflow: hidden;
  margin-bottom: 12px;
}

.admin-progress-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
}

.admin-table-wrap {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th,
.admin-table td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  font-size: 14px;
}

.admin-table th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.admin-error-pill {
  display: inline-flex;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(211, 47, 47, 0.12);
  color: #d32f2f;
  font-weight: 700;
  font-size: 12px;
}

.admin-small-btn {
  height: 33px;
  padding: 0 12px;
  border-radius: 8px;
  font-size: 12.5px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.admin-empty-cell {
  color: var(--muted);
  text-align: center !important;
  padding: 28px !important;
}

.admin-log-box {
  height: 420px;
  overflow: auto;
  padding: 14px;
  border-radius: 18px;
  background: color-mix(in srgb, var(--panel-strong) 86%, #000 14%);
  border: 1px solid var(--border);
}

.admin-log-line {
  display: grid;
  gap: 4px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--border);
}

.admin-log-line span {
  color: var(--muted);
  font-size: 12px;
}

.admin-log-line p {
  margin: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
}

.admin-log-line.success p {
  color: #2e7d32;
}

.admin-log-line.warning p {
  color: #b26a00;
}

.admin-log-line.error p {
  color: #d32f2f;
}

.admin-error-text {
  color: #d32f2f;
  font-weight: 700;
}

@media (max-width: 1100px) {

  .admin-stats-grid,
  .admin-main-grid,
  .admin-bottom-grid {
    grid-template-columns: 1fr 1fr;
  }

  .live-panel {
    grid-column: 1 / -1;
  }
}

@media (max-width: 720px) {
  .admin-shell {
    width: min(100vw - 24px, 1500px);
    padding-top: 12px;
  }

  .admin-topbar,
  .admin-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .admin-stats-grid,
  .admin-main-grid,
  .admin-bottom-grid {
    grid-template-columns: 1fr;
  }

  .admin-stat-card strong {
    font-size: 34px;
  }
}

.admin-chart-box {
  position: relative;
  width: 100%;
  height: 260px;
  max-height: 260px;
  overflow: hidden;
}

.admin-chart-box canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

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

.admin-log-box {
  max-height: 420px;
  overflow: auto;
}

/* --- UI TÌM KIẾM VÀ THAY THẾ TRONG EDITOR --- */
.editor-toolbar {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 0;
  padding: 6px 10px;
  background: color-mix(in srgb, var(--panel-strong) 80%, var(--border) 20%);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.editor-toolbar-row {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
}

.editor-toolbar-divider {
  margin-top: 2px;
  padding-top: 4px;
  border-top: 1px solid var(--border);
}

.small-input {
  height: 28px;
  padding: 0 8px;
  font-size: 12px;
  border-radius: 6px;
  flex: 1;
  min-width: 120px;
}

.editor-toolbar .admin-small-btn {
  height: 28px;
  padding: 0 10px !important;
  font-size: 12px;
  border-radius: 6px;
}

.editor-toolbar .checkbox-item {
  font-size: 12px;
  gap: 6px;
}

.editor-toolbar .checkbox-item input {
  width: 14px;
  height: 14px;
}

/* Giao diện Menu Dropdown chọn loại Mark */
.mark-type-menu {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-bottom: 12px;
  background: var(--panel-strong);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 180px;
  z-index: 250;
}

.mark-type-menu button {
  background: transparent;
  border: none;
  padding: 10px 14px;
  text-align: left;
  width: 100%;
  cursor: pointer;
  border-radius: 10px;
  font-size: 13px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background 0.2s ease;
}

.mark-type-menu button:hover {
  background: var(--accent-soft);
}

/* Badge hiển thị nút nhảy nhanh ngoài trang chi tiết */
.mark-jump-btn {
  font-weight: 500 !important;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* --- GIAO DIỆN DANH SÁCH CHƯƠNG 2 CỘT (MODERN GRID) --- */

/* 1. Chia khung chứa thành 2 cột đều nhau */
.chapter-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 24px;
  /* Khoảng cách dòng là 14px, khoảng cách giữa 2 cột là 24px */
  padding: 10px 4px;
}

/* 2. Thiết kế lại từng ô chương thành hàng ngang */
.chapter-item {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 16px;
  /* Khoảng cách giữa số chương và tên chương */
  padding: 14px 20px;
  background: var(--panel-strong);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-align: left;
  width: 100%;
}

/* Loại bỏ luật CSS cũ gây xuống dòng */
.chapter-item strong {
  display: inline;
  margin-bottom: 0;
}

/* 3. Style số thứ tự chương bên trái (Ví dụ: 01, 02) */
.chapter-item .chapter-num {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  min-width: 28px;
  /* Đảm bảo các con số luôn thẳng hàng */
  opacity: 0.8;
}

/* 4. Style phần văn bản tên chương */
.chapter-item .chapter-title-text {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  /* Nếu tên chương quá dài sẽ tự động thêm dấu ... cực gọn */
  flex: 1;
}

/* 5. Badge nhỏ hiển thị chương đang đọc dở */
.chapter-item .reading-badge {
  font-size: 11px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  padding: 3px 8px;
  border-radius: 6px;
  font-weight: 600;
  white-space: nowrap;
}

/* 6. RESPONSIVE: Trên điện thoại màn hình nhỏ, ép về 1 cột để chữ không bị kích/bóp nghẹt */
@media (max-width: 768px) {
  .chapter-list {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .chapter-item {
    padding: 12px 16px;
  }
}

/* --- HUY HIỆU SỐ LƯỢNG CHƯƠNG --- */
#chapterCount,
.detail-badge#chapterCount {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  background: var(--primary-soft, rgba(37, 99, 235, 0.08));
  color: var(--primary-color, #2563eb);
  border: 1px solid rgba(37, 99, 235, 0.18);
  white-space: nowrap;
  flex-shrink: 0;
}

body.theme-dark #chapterCount,
body.theme-dark .detail-badge#chapterCount {
  background: rgba(56, 189, 248, 0.12);
  color: #38bdf8;
  border-color: rgba(56, 189, 248, 0.25);
}

body.theme-sepia #chapterCount,
body.theme-sepia .detail-badge#chapterCount {
  background: rgba(180, 83, 9, 0.12);
  color: #b45309;
  border-color: rgba(180, 83, 9, 0.22);
}

/* --- UI TAB PHÂN ĐOẠN CHƯƠNG (1-100, 101-200...) --- */
.chapter-pagination-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
  padding-bottom: 4px;
}

.chapter-pagination-tabs .tab-btn {
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel-strong);
  color: var(--muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.chapter-pagination-tabs .tab-btn:hover {
  border-color: var(--primary-color, #2563eb);
  color: var(--primary-color, #2563eb);
  transform: translateY(-1px);
}

.chapter-pagination-tabs .tab-btn.active {
  background: var(--primary-color, #2563eb);
  color: #ffffff;
  border-color: var(--primary-color, #2563eb);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.28);
}

/* Glass / Translucent Reader Bars (High Opacity Glassmorphism >= 90%) */
:root {
  --reader-chrome-bg: rgba(255, 252, 246, 0.92);
  --reader-chrome-btn-bg: rgba(255, 252, 246, 0.96);
  --reader-chrome-blur: 16px;
  --reader-chrome-saturate: 160%;
  --reader-chrome-border: rgba(71, 56, 39, 0.12);
  --reader-chrome-shadow: 0 4px 20px rgba(47, 34, 20, 0.08);
}

body.theme-sepia {
  --reader-chrome-bg: rgba(250, 242, 227, 0.92);
  --reader-chrome-btn-bg: rgba(250, 242, 227, 0.96);
  --reader-chrome-border: rgba(85, 61, 39, 0.12);
  --reader-chrome-shadow: 0 4px 20px rgba(85, 61, 39, 0.08);
}

body.theme-dark {
  --reader-chrome-bg: rgba(20, 20, 20, 0.92);
  --reader-chrome-btn-bg: rgba(30, 30, 30, 0.96);
  --reader-chrome-border: rgba(255, 255, 255, 0.12);
  --reader-chrome-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

body.reader-mode .topbar,
body.reader-mode .sub-header-nav,
body.reader-mode .floating-reader-nav {
  background: var(--reader-chrome-bg) !important;
  border-color: var(--reader-chrome-border) !important;
  box-shadow: var(--reader-chrome-shadow) !important;
  backdrop-filter: blur(var(--reader-chrome-blur)) saturate(var(--reader-chrome-saturate)) !important;
  -webkit-backdrop-filter: blur(var(--reader-chrome-blur)) saturate(var(--reader-chrome-saturate)) !important;
  opacity: 1 !important;
}

body.reader-mode .topbar *,
body.reader-mode .sub-header-nav *,
body.reader-mode .floating-reader-nav * {
  opacity: 1 !important;
}

body.reader-mode #pageTitle,
body.reader-mode #pageSubtitle,
body.reader-mode #subNovelTitle,
body.reader-mode #subChapterTitle,
body.reader-mode .sub-header-left {
  color: var(--text) !important;
}

body.reader-mode .topbar .ghost-btn,
body.reader-mode .sub-header-nav .ghost-btn,
body.reader-mode .floating-reader-nav .ghost-btn {
  background: var(--reader-chrome-btn-bg) !important;
  color: var(--text) !important;
  border-color: var(--reader-chrome-border) !important;
  opacity: 1 !important;
}

body.reader-mode .topbar .ghost-btn svg,
body.reader-mode .sub-header-nav .ghost-btn svg,
body.reader-mode .floating-reader-nav .ghost-btn svg {
  opacity: 1 !important;
  color: var(--text) !important;
  stroke: currentColor !important;
}

body.reader-mode .topbar .ghost-btn:hover,
body.reader-mode .sub-header-nav .ghost-btn:hover,
body.reader-mode .floating-reader-nav .ghost-btn:hover {
  background: color-mix(in srgb, var(--reader-chrome-btn-bg) 80%, var(--accent-soft) 20%) !important;
  border-color: var(--accent) !important;
}

/* Cho phép thanh reader tự ẩn khi cuộn xuống */
body.reader-mode.hide-reader-chrome .topbar,
body.reader-mode.hide-reader-chrome .sub-header-nav {
  transform: translateY(-140%) !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

body.reader-mode.hide-reader-chrome .floating-reader-nav {
  transform: translateY(160%) !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

/* --- CHARACTER HIGHLIGHT THEMING & DYNAMIC CONTRAST --- */
.character-highlight {
  color: var(--char-c-light, var(--char-color, #dc2626));
  font-weight: 700;
  cursor: text;
  border-radius: 4px;
  padding: 0 1.5px;
  transition: color 0.18s ease, background-color 0.18s ease, text-shadow 0.18s ease;
  text-shadow: none;
}

.character-highlight:hover,
.character-highlight:focus-visible {
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
  background: color-mix(in srgb, currentColor 8%, transparent);
  outline: none;
}

body.theme-light .character-highlight {
  color: var(--char-c-light, var(--char-color, #dc2626));
  text-shadow: none;
}

body.theme-sepia .character-highlight {
  color: var(--char-c-sepia, var(--char-color, #b91c1c));
  text-shadow: 0 0 0.35em color-mix(in srgb, var(--char-c-sepia, currentColor) 15%, transparent);
}

body.theme-dark .character-highlight {
  color: var(--char-c-dark, var(--char-color, #f87171));
  text-shadow: 0 0 0.4em color-mix(in srgb, var(--char-c-dark, currentColor) 28%, transparent);
}

/* --- MODAL QUẢN LÝ TÔ MÀU NHÂN VẬT --- */
.character-highlight-modal {
  position: fixed;
  inset: 0;
  z-index: 240;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(0, 0, 0, 0.36);
  backdrop-filter: blur(8px);
}

.character-highlight-modal-card {
  width: min(580px, calc(100vw - 32px));
  max-height: min(85vh, 760px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--panel-strong);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.22);
  box-sizing: border-box;
}

.character-highlight-modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 2px;
}

.character-highlight-modal-head h4 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.character-highlight-modal-head p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 12.5px;
}

#closeCharacterHighlightsBtn {
  width: 32px;
  height: 32px;
  min-width: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  padding: 0;
  cursor: pointer;
}

/* Form thêm mới nhân vật */
.character-highlight-form {
  display: flex;
  gap: 8px;
  align-items: center;
  width: 100%;
}

.character-highlight-form input[type="text"] {
  flex: 1;
  min-width: 0;
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  font-size: 13.5px;
  outline: none;
  transition: border-color 0.15s ease;
  box-sizing: border-box;
}

.character-highlight-form input[type="text"]:focus {
  border-color: var(--accent);
}

.character-highlight-form input[type="color"] {
  width: 36px;
  height: 36px;
  min-width: 36px;
  padding: 2px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  cursor: pointer;
  box-sizing: border-box;
}

#addCharacterHighlightBtn {
  height: 36px;
  padding: 0 16px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 8px;
  background: var(--accent);
  color: #ffffff;
  border: none;
  cursor: pointer;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, transform 0.1s ease;
}

#addCharacterHighlightBtn:hover {
  background: var(--accent-strong);
  transform: translateY(-1px);
}

/* Ô tìm kiếm nhân vật */
.character-highlight-search-wrap {
  position: relative;
  width: 100%;
  display: flex;
  align-items: center;
}

.character-highlight-search-wrap .search-icon {
  position: absolute;
  left: 11px;
  font-size: 13px;
  color: var(--muted);
  pointer-events: none;
}

.character-highlight-search {
  width: 100%;
  height: 35px;
  padding: 0 12px 0 34px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s ease;
  box-sizing: border-box;
}

.character-highlight-search:focus {
  border-color: var(--accent);
}

/* Stats counter */
.character-highlight-summary {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
  padding: 2px 0;
}

.character-highlight-summary strong {
  color: var(--text);
  font-weight: 600;
}

.summary-divider {
  color: var(--border);
  margin: 0 2px;
}

/* Danh sách cuộn nhân vật */
.character-highlight-list {
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.character-highlight-scroll {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 380px;
  overflow-y: auto;
  padding-right: 4px;
}

.character-highlight-scroll::-webkit-scrollbar {
  width: 5px;
}

.character-highlight-scroll::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 999px;
}

/* Từng card nhân vật */
.character-highlight-item {
  display: flex;
  flex-direction: column;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel);
  transition: background 0.15s ease, border-color 0.15s ease;
  box-sizing: border-box;
}

.character-highlight-item:hover {
  background: var(--panel-strong);
  border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
}

.character-highlight-item.is-disabled {
  opacity: 0.58;
}

.character-highlight-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
}

.character-highlight-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

.character-highlight-primary-row {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.character-highlight-dot {
  width: 9px;
  height: 9px;
  min-width: 9px;
  border-radius: 50%;
  flex-shrink: 0;
}

.character-highlight-name-btn {
  padding: 0;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
  min-width: 0;
  flex: 1;
}

.character-highlight-preview {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

body.theme-light .character-highlight-item.is-enabled .character-highlight-preview {
  color: var(--char-c-light, var(--char-color)) !important;
}

body.theme-sepia .character-highlight-item.is-enabled .character-highlight-preview {
  color: var(--char-c-sepia, var(--char-color)) !important;
}

body.theme-dark .character-highlight-item.is-enabled .character-highlight-preview {
  color: var(--char-c-dark, var(--char-color)) !important;
}

.character-highlight-aliases-sub {
  font-size: 11.5px;
  color: var(--muted);
  padding-left: 17px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

.character-highlight-aliases-sub span {
  font-weight: 500;
}

.character-highlight-row-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* Switch toggle */
.character-highlight-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 34px;
  height: 18px;
  cursor: pointer;
}

.character-highlight-switch input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.character-highlight-switch span {
  width: 34px;
  height: 18px;
  border-radius: 999px;
  background: var(--border);
  transition: background 0.2s ease;
}

.character-highlight-switch span::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--panel-strong);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.character-highlight-switch input:checked+span {
  background: var(--accent);
}

.character-highlight-switch input:checked+span::before {
  transform: translateX(16px);
}

.character-highlight-more-btn,
.compact-menu-btn {
  width: 30px;
  height: 30px;
  min-width: 30px;
  padding: 0;
  border-radius: 50%;
  font-size: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.character-highlight-more-btn:hover,
.compact-menu-btn:hover {
  background: var(--bg-elevated);
  color: var(--text);
}

.character-highlight-empty {
  padding: 16px;
  border: 1px dashed var(--border);
  border-radius: 10px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.character-highlight-item.is-editing {
  flex-direction: column;
  align-items: stretch;
  background: color-mix(in srgb, var(--panel-strong) 92%, var(--accent-soft) 8%);
  border-color: var(--accent);
}

.character-highlight-edit-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 112px;
  gap: 10px;
  width: 100%;
  padding-top: 10px;
  margin-top: 2px;
  border-top: 1px solid var(--border);
}

.character-highlight-edit-field {
  display: grid;
  gap: 6px;
  min-width: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.character-highlight-edit-field input[type="text"] {
  width: 100%;
  min-width: 0;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel-strong);
  color: var(--text);
  outline: none;
}

.character-highlight-edit-field input[type="text"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.character-highlight-edit-field input[type="color"] {
  width: 100%;
  height: 42px;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel-strong);
  cursor: pointer;
}

.character-highlight-edit-actions {
  grid-column: 1 / -1;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.character-highlight-edit-actions .compact-btn {
  padding: 8px 12px;
}

@media (max-width: 560px) {
  .character-highlight-edit-panel {
    grid-template-columns: 1fr;
  }

  .character-highlight-edit-actions {
    justify-content: stretch;
  }

  .character-highlight-edit-actions .compact-btn {
    flex: 1;
  }
}

/* --- Character Hover Card --- */
.character-hover-card {
  position: fixed;
  right: 16px;
  width: clamp(420px, 32vw, 560px);
  max-width: calc(100vw - 32px);
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  box-sizing: border-box;

  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;

  background: var(--panel-strong);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  padding: 16px;
}

.character-hover-card,
.character-hover-card * {
  min-width: 0;
}

.character-hover-card.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.character-hover-card__handle {
  display: none;
}

.character-hover-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.character-hover-card__title-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
}

.character-hover-card__color {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  flex-shrink: 0;
}

.character-hover-card__name {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.character-hover-card__close-btn {
  background: transparent;
  border: none;
  font-size: 20px;
  line-height: 1;
  color: var(--muted);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s, background 0.15s;
}

.character-hover-card__close-btn:hover {
  color: var(--text);
  background: var(--bg-elevated);
}

.character-hover-card__body {
  font-size: 0.9rem;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.character-hover-card__matched-alias,
.character-hover-card__aliases {
  color: var(--muted);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.character-hover-card__description-section strong {
  display: block;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text);
}

.character-hover-card__description {
  background: var(--bg-elevated);
  padding: 12px;
  border-radius: 8px;
  line-height: 1.55;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.character-hover-card__status {
  font-size: 0.8rem;
  color: var(--muted);
  text-align: right;
  margin-top: 4px;
}

/* --- Selection Quick Add Tooltip --- */
.selection-highlight-tooltip {
  position: fixed;
  z-index: 1100;
  display: inline-flex;
  align-items: center;
  background: var(--panel-strong);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 6px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.28);
  animation: selection-tooltip-pop 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  transform-origin: center bottom;
  pointer-events: auto;
  backdrop-filter: blur(12px);
}

.selection-highlight-tooltip.hidden {
  display: none !important;
}

@keyframes selection-tooltip-pop {
  from {
    opacity: 0;
    transform: scale(0.85) translateY(4px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.quick-add-char-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 12.5px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s ease, color 0.15s ease;
}

.quick-add-char-btn:hover {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.quick-add-icon {
  font-size: 14px;
}

/* Enable text selection inside reader content */
#readerContent,
#readerContent p,
#readerContent span {
  user-select: text;
  -webkit-user-select: text;
}


/* Chapter Editor UI enhancements */
.chapter-editor-header {
  flex-shrink: 0;
  align-items: flex-start;
  gap: 12px;
}

.chapter-editor-title-wrap {
  flex: 1;
  min-width: 0;
}

.chapter-editor-title-wrap h4 {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chapter-editor-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.chapter-editor-body {
  display: flex !important;
  flex-direction: column;
  flex-grow: 1;
  min-height: 0;
  overflow-y: auto;
  padding-right: 2px;
}

.editor-main-group {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  min-height: 0;
}

textarea.chapter-editor-textarea {
  flex-grow: 1;
}

@media (max-width: 600px) {
  .chapter-editor-header {
    flex-wrap: wrap;
    gap: 8px;
  }

  .chapter-editor-actions {
    width: 100%;
    justify-content: flex-end;
  }
}

/* --- RESPONSIVE HEADER & READER CONTROLS (<= 768px) --- */
@media (max-width: 768px) {
  /* Header flex layout to prevent logo title truncation */
  .topbar-header-inner {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 0 14px !important;
    gap: 8px !important;
  }

  .app-brand-group {
    flex: 1 1 auto !important;
    min-width: 0 !important;
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
  }

  .app-brand-group > div:last-child {
    flex: 1 1 auto !important;
    min-width: 0 !important;
    overflow: hidden !important;
  }

  .app-brand-title {
    font-size: 14.5px !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    max-width: 100% !important;
  }

  .app-brand-subtitle {
    font-size: 11px !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    max-width: 100% !important;
  }

  /* Bắt buộc ẩn mọi thẻ hide-on-mobile */
  .hide-on-mobile {
    display: none !important;
  }

  /* Ẩn hoàn toàn cụm nút giữa của topbar trên mobile */
  .topbar-center,
  .topbar-center.reader-actions {
    display: none !important;
  }

  /* Chế độ đọc: ẩn badge logo trang trí, nhường toàn bộ không gian cho tiêu đề truyện & chương */
  body.reader-mode .app-logo-badge {
    display: none !important;
  }

  body.reader-mode #backToLibraryBtn {
    flex-shrink: 0 !important;
    padding: 6px 10px !important;
    font-size: 12px !important;
  }

  body.reader-mode #decreaseFontBtn,
  body.reader-mode #increaseFontBtn,
  body.reader-mode #themeToggleBtn {
    display: none !important;
  }

  body.reader-mode .topbar-right {
    flex-shrink: 0 !important;
    display: flex !important;
    justify-content: flex-end !important;
    gap: 6px !important;
  }

  body.reader-mode #pageTitle,
  body.reader-mode #pageSubtitle {
    font-size: 14px !important;
    max-width: none !important;
    width: 100% !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
  }

  /* Định dạng lại các nút icon */
  .icon-only-mobile {
    padding: 0 !important;
    min-width: 0 !important;
    display: inline-flex !important;
    justify-content: center !important;
    align-items: center !important;
  }

  /* Tối ưu Bottom Navigation Bar: viên thuốc hoàn chỉnh, chia đều 6 nút không tràn hay cắt icon */
  body.reader-mode .floating-reader-nav {
    width: calc(100% - 20px) !important;
    max-width: 440px !important;
    margin: 0 auto !important;
    padding: 5px 6px !important;
    bottom: calc(10px + env(safe-area-inset-bottom, 0px)) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 3px !important;
    border-radius: 999px !important;
    box-sizing: border-box !important;
  }

  body.reader-mode .floating-reader-nav .reader-action-btn,
  body.reader-mode .floating-reader-nav .ghost-btn {
    flex: 1 1 0 !important;
    min-width: 0 !important;
    width: 100% !important;
    height: 38px !important;
    padding: 0 !important;
    font-size: 13.5px !important;
    border-radius: 999px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    box-sizing: border-box !important;
  }

  body.reader-mode .floating-reader-nav .mark-dropdown-wrap {
    flex: 1 1 0 !important;
    min-width: 0 !important;
    display: flex !important;
  }

  body.reader-mode .floating-reader-nav .mark-dropdown-wrap .reader-action-btn {
    width: 100% !important;
  }

  #bottomMarkTypeMenu {
    bottom: calc(100% + 10px) !important;
    top: auto !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    z-index: 300 !important;
  }

  /* Reader Card: Edge-to-edge reading trên mobile kèm padding bottom an toàn */
  .reader-card {
    width: 100% !important;
    max-width: 100vw !important;
    padding: 20px 16px calc(90px + env(safe-area-inset-bottom, 20px)) 16px !important;
    margin: 8px 0 !important;
    border-left: none !important;
    border-right: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    box-sizing: border-box !important;
  }

  /* Chapter pagination tabs: vuốt cuộn ngang mượt mà */
  .chapter-pagination-tabs {
    display: flex !important;
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    gap: 8px !important;
    padding-bottom: 6px !important;
    -webkit-overflow-scrolling: touch !important;
    scrollbar-width: none !important;
  }

  .chapter-pagination-tabs::-webkit-scrollbar {
    display: none !important;
  }

  .chapter-pagination-tabs .tab-btn {
    flex-shrink: 0 !important;
    white-space: nowrap !important;
  }
}

/* Skeleton Loading */
@keyframes shimmer {
  0% {
    background-position: -400px 0;
  }

  100% {
    background-position: 400px 0;
  }
}

.skeleton {
  background: var(--border);
  background-image: linear-gradient(90deg, var(--border) 0px, var(--panel-strong) 40px, var(--border) 80px);
  background-size: 800px 100%;
  animation: shimmer 2s infinite linear;
  border-radius: var(--radius-sm, 8px);
}

.skeleton-card {
  height: 120px;
  border-radius: 18px;
  background: var(--panel-strong);
  border: 1px solid var(--border);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.skeleton-title {
  height: 20px;
  width: 70%;
}

.skeleton-text {
  height: 14px;
  width: 100%;
}

.skeleton-text.short {
  width: 40%;
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  text-align: center;
  color: var(--muted);
  background: var(--panel-strong);
  border: 1px dashed var(--border);
  border-radius: 18px;
  grid-column: 1 / -1;
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.6;
}

.empty-state-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.empty-state-desc {
  font-size: 14px;
  max-width: 300px;
  margin: 0 auto 20px;
}

/* Global Recent Bar */
.global-recent-bar {
  margin-bottom: 20px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--panel-strong);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.recent-bar-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.recent-bar-icon {
  font-size: 20px;
}

.recent-bar-label {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.recent-bar-title {
  color: var(--text);
  font-size: 16px;
}

.recent-bar-btn {
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  margin: 0;
}

/* Login View */
.login-view.active,
.login-view {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  overflow: hidden;
}

.login-view.hidden {
  display: none !important;
}

.login-card {
  max-width: 400px;
  width: 100%;
  text-align: center;
  padding: 40px 24px;
  background: var(--panel-strong);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.login-title {
  margin-bottom: 8px;
  font-size: 24px;
}

.login-subtitle {
  margin-bottom: 24px;
  font-size: 14px;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.login-input {
  width: 100%;
  padding: 12px 16px;
  font-size: 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.login-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.login-btn {
  padding: 12px;
  font-size: 16px;
  border-radius: 12px;
}

.login-error {
  color: #ef4444;
  margin-top: 16px;
  font-size: 14px;
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   V2 UI DESIGN SYSTEM & COMPONENTS (MIGRATED FROM MY-READER-V2)
   ========================================================================== */

/* 1. APP HEADER */
.topbar.app-header-v2 {
  position: sticky;
  top: 0;
  z-index: 40;
  height: 65px;
  background: var(--bg-elevated);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  margin-bottom: 0;
  padding: 0;
  border-radius: 0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.topbar-header-inner {
  max-width: var(--app-max-width);
  margin: 0 auto;
  width: 100%;
  padding: 0 20px;
  height: 48px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 12px;
}

.app-brand-group {
  grid-column: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  overflow: hidden;
}

.app-brand-group>div:last-child {
  min-width: 0;
  overflow: hidden;
}

.app-brand-title {
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1.2;
  margin: 0;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-brand-subtitle {
  font-size: 11px;
  font-weight: 500;
  color: var(--muted);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar-center.reader-actions {
  grid-column: 2;
  justify-self: center;
  flex-shrink: 0;
}

.topbar-right {
  grid-column: 3;
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

/* SHARED PARALLEL READER ACTIONS & BUTTON STYLING */
.reader-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  flex-shrink: 0;
}

.reader-actions .ghost-btn,
.reader-actions .reader-action-btn {
  height: 31px;
  padding: 0 10px;
  font-size: 12px;
  font-weight: 500;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel-strong);
  color: var(--text);
  white-space: nowrap;
  flex-shrink: 0;
  min-width: max-content;
  box-sizing: border-box;
  margin: 0;
  transition: all 0.15s ease;
}

.reader-actions .ghost-btn:hover,
.reader-actions .reader-action-btn:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.reader-actions .ghost-btn:disabled,
.reader-actions .reader-action-btn:disabled {
  opacity: 0.42;
  cursor: not-allowed;
  pointer-events: none;
  transform: none;
}

#topMarkTypeMenu {
  top: calc(100% + 5px);
  bottom: auto;
  margin-bottom: 0;
}

.library-container {
  max-width: var(--app-max-width);
  margin: 0 auto;
  padding: 28px 24px 0 24px;
}

/* 3. CONTINUE READING STRIP (HORIZONTAL CARD) */
.global-recent-bar.v2-continue-reading {
  width: 100%;
  margin: 0 0 24px 0;
  padding: 0;
  background: transparent;
  border: none;
  box-shadow: none;
}

.continue-reading-strip {
  padding: 12px 18px;
  border-radius: 14px;
  background: var(--panel-strong);
  border: 1px solid var(--border);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 64px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.continue-reading-strip:hover {
  border-color: color-mix(in srgb, var(--primary-color, #2563eb) 35%, var(--border));
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
}

.continue-strip-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #d97706;
  background: rgba(217, 119, 6, 0.1);
  padding: 3.5px 9px;
  border-radius: 9999px;
  flex-shrink: 0;
  white-space: nowrap;
}

.continue-badge-icon {
  width: 12px;
  height: 12px;
}

.continue-strip-content {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 14px;
}

.continue-reading-title {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
  flex-shrink: 1;
}

.continue-reading-meta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  color: var(--muted);
  flex-shrink: 0;
  white-space: nowrap;
}

.continue-reading-chapter {
  font-weight: 500;
}

.continue-reading-percent {
  font-weight: 700;
  color: #2563eb;
}

body.theme-dark .continue-reading-percent {
  color: #38bdf8;
}

.continue-reading-btn {
  padding: 7px 16px;
  border-radius: 10px;
  background: var(--primary-color, #2563eb);
  color: #ffffff;
  font-size: 12.5px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
  transition: background 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
  flex-shrink: 0;
}

.continue-reading-btn:hover {
  background: var(--primary-strong, #1d4ed8);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

body.theme-dark .continue-reading-btn {
  background: #38bdf8;
  color: #090d16;
  font-weight: 700;
  box-shadow: 0 2px 10px rgba(56, 189, 248, 0.35);
}

body.theme-dark .continue-reading-btn:hover {
  background: #7dd3fc;
  box-shadow: 0 4px 14px rgba(56, 189, 248, 0.5);
}

body.theme-sepia .continue-reading-btn {
  background: #b45309;
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(180, 83, 9, 0.25);
}

body.theme-sepia .continue-reading-btn:hover {
  background: #78350f;
  box-shadow: 0 4px 12px rgba(180, 83, 9, 0.35);
}

@media (max-width: 768px) {
  .continue-reading-strip {
    display: grid !important;
    grid-template-columns: 1fr auto !important;
    grid-template-rows: auto auto !important;
    gap: 8px 12px !important;
    align-items: center !important;
    padding: 12px 14px !important;
    border-radius: 16px !important;
  }

  .continue-strip-badge {
    grid-column: 1 !important;
    grid-row: 1 !important;
    justify-self: start !important;
    order: 0 !important;
    margin: 0 !important;
  }

  .continue-reading-btn {
    grid-column: 2 !important;
    grid-row: 1 !important;
    justify-self: end !important;
    order: 0 !important;
    margin: 0 !important;
    padding: 5px 12px !important;
    font-size: 12px !important;
    height: 30px !important;
    border-radius: 8px !important;
  }

  .continue-strip-content {
    grid-column: 1 / -1 !important;
    grid-row: 2 !important;
    order: 0 !important;
    width: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 6px !important;
  }

  .continue-reading-title {
    font-size: 15px !important;
    font-weight: 700 !important;
    line-height: 1.35 !important;
    color: var(--text) !important;
    margin: 0 !important;
    white-space: normal !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
  }

  .continue-reading-meta {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    width: 100% !important;
    font-size: 12px !important;
    color: var(--muted) !important;
  }

  .continue-reading-chapter {
    font-weight: 500 !important;
  }

  .continue-reading-percent {
    background: color-mix(in srgb, var(--accent) 15%, transparent) !important;
    color: var(--accent) !important;
    padding: 2px 8px !important;
    border-radius: 999px !important;
    font-weight: 700 !important;
    font-size: 11.5px !important;
    letter-spacing: 0.02em !important;
    flex-shrink: 0 !important;
  }
}

/* 4. COMPACT INFORMATION-FIRST STORY CARDS & GRID */
.library-grid.v2-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}

.story-card-compact {
  background: var(--panel-strong);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 13px 15px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 128px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
  cursor: pointer;
  position: relative;
  text-align: left;
}

.story-card-compact:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--border) 40%, var(--text) 60%);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
}

.story-card-compact.read-completed,
.story-card.read-completed {
  opacity: 0.58;
  background: color-mix(in srgb, var(--panel-strong) 92%, var(--muted) 8%);
  border-color: var(--border);
  box-shadow: none;
}

.story-card-compact.read-completed:hover,
.story-card.read-completed:hover {
  opacity: 0.74;
  border-color: color-mix(in srgb, var(--border) 40%, var(--text) 60%);
}

.story-card-compact.read-completed .compact-star-badge,
.story-card-compact.read-completed .compact-status-pill {
  opacity: 1;
}

.compact-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.compact-status-pill {
  font-size: 10.5px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 9999px;
  line-height: 1.2;
}

.compact-status-pill.status-ongoing {
  background: rgba(37, 99, 235, 0.1);
  color: #2563eb;
}

.compact-status-pill.status-completed {
  background: rgba(22, 163, 74, 0.1);
  color: #16a34a;
}

.compact-status-pill.status-paused {
  background: rgba(220, 38, 38, 0.1);
  color: #dc2626;
}

body.theme-dark .compact-status-pill.status-ongoing {
  background: rgba(56, 189, 248, 0.18);
  color: #38bdf8;
}

body.theme-dark .compact-status-pill.status-completed {
  background: rgba(74, 222, 128, 0.18);
  color: #4ade80;
}

body.theme-dark .compact-status-pill.status-paused {
  background: rgba(248, 113, 113, 0.18);
  color: #f87171;
}

.compact-star-badge {
  font-size: 13.5px;
  color: #fbbf24;
  flex-shrink: 0;
  line-height: 1;
}

.compact-star-badge.pin {
  font-size: 11.5px;
}

.compact-card-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-bottom: 10px;
}

.compact-card-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin: 0;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.15s ease;
}

.story-card-compact:hover .compact-card-title {
  color: #2563eb;
}

body.theme-dark .story-card-compact:hover .compact-card-title {
  color: #38bdf8;
}

.compact-card-author {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.compact-card-footer {
  padding-top: 8px;
  border-top: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11.5px;
  color: var(--muted);
}

.compact-chapter-count {
  font-weight: 500;
}

.compact-progress-status {
  font-weight: 600;
}

.compact-progress-status.active {
  color: #2563eb;
}

body.theme-dark .compact-progress-status.active {
  color: #38bdf8;
}

.compact-progress-status.unread {
  color: var(--muted);
  opacity: 0.7;
}

.compact-progress-status.user-completed {
  color: #16a34a;
  font-weight: 600;
}

body.theme-dark .compact-progress-status.user-completed {
  color: #4ade80;
}

@media (max-width: 640px) {
  .library-grid.v2-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}



.reading-settings-panel.reading-settings-drawer {
  position: fixed;
  inset: 0;
  z-index: 250;
  width: 100vw;
  height: 100dvh;
  padding: 0;
  display: flex;
  justify-content: flex-end;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 1;
  visibility: visible;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.reading-settings-panel.reading-settings-drawer.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  display: flex !important;
}

/* Hide / dim reader navigation controls behind settings drawer overlay & disable background page scrolling */
body.settings-open {
  overflow: hidden !important;
}

body.settings-open .topbar-center,
body.settings-open .floating-reader-nav {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

body.settings-open .topbar.app-header-v2 {
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.reading-settings-drawer .settings-card {
  width: 410px;
  max-width: 100vw;
  height: 100dvh;
  max-height: 100dvh;
  margin: 0;
  border-radius: 0;
  border-left: 1px solid var(--border);
  background: var(--panel-strong);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  transform: translateX(0);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
  padding: 0;
}

@media (max-width: 768px) {
  .reading-settings-drawer .settings-card {
    width: 100vw;
    padding-bottom: env(safe-area-inset-bottom, 16px);
  }
}

.reading-settings-drawer.hidden .settings-card {
  transform: translateX(100%);
}

.drawer-header {
  height: 52px;
  padding: 0 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.drawer-header h3,
.drawer-header h4 {
  font-size: 16px;
  font-weight: 700;
  margin: 0;
  color: var(--text);
}

#closeReadingSettingsBtn {
  width: 32px;
  height: 32px;
  min-width: 32px;
  padding: 0;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 0;
}

.drawer-section {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}

.drawer-section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.segmented-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.segmented-grid.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.segmented-btn {
  height: 34px;
  padding: 0 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel-strong);
  color: var(--text);
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  transition: all 0.15s ease;
}

.segmented-btn.active {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

/* Custom Minimalist Slider */
input[type="range"].reader-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: var(--border);
  border-radius: 9999px;
  outline: none;
}

input[type="range"].reader-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--text);
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  transition: transform 0.15s ease;
}

input[type="range"].reader-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

#panelDecreaseFontBtn,
#panelIncreaseFontBtn {
  width: 32px;
  height: 32px;
  min-width: 32px;
  padding: 0;
  font-size: 12.5px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* iOS-style Toggle Switch */
.toggle-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 0;
}

.toggle-item-label {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text);
}

.ios-toggle {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
}

.ios-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.ios-toggle-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: var(--border);
  transition: 0.25s ease;
  border-radius: 9999px;
}

.ios-toggle-slider:before {
  position: absolute;
  content: "";
  height: 14px;
  width: 14px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: 0.25s ease;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.ios-toggle input:checked+.ios-toggle-slider {
  background-color: var(--text);
}

.ios-toggle input:checked+.ios-toggle-slider:before {
  transform: translateX(16px);
}

/* ==========================================================================
   MOBILE RESPONSIVE ENHANCEMENTS (<= 768px & <= 480px)
   ========================================================================== */

@media (max-width: 768px) {
  /* Ẩn mục chỉnh độ rộng cột đọc trên màn hình mobile vì màn hình luôn 100% */
  .drawer-section:has(#readerWidthRange),
  #readerWidthRange,
  #readerWidthDisplay {
    display: none !important;
  }

  /* Chi tiết truyện (Story Detail View) Container & Cards */
  #detailView {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    margin: 0 auto !important;
    padding: 0 !important;
  }

  .story-detail-card,
  .chapter-panel {
    padding: 16px 14px !important;
    border-radius: 14px !important;
    width: 100% !important;
    max-width: 100% !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    box-sizing: border-box !important;
  }

  .story-detail-card {
    margin-bottom: 12px !important;
  }

  /* Danh sách chương: Đồng bộ 100% chiều rộng, padding cân đối */
  .chapter-list {
    display: flex !important;
    flex-direction: column !important;
    gap: 8px !important;
    padding: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    box-sizing: border-box !important;
  }

  .chapter-item {
    display: flex !important;
    align-items: center !important;
    justify-content: flex-start !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 12px 14px !important;
    margin: 0 !important;
    gap: 12px !important;
    border-radius: 10px !important;
  }

  /* Lưới thông tin truyện (Meta Grid): 2 cột + thẻ cuối cùng Thể loại trải rộng 2 cột */
  .meta-grid {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px !important;
    margin-bottom: 14px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .meta-info-box {
    padding: 8px 10px !important;
    min-height: auto !important;
    gap: 3px !important;
    border-radius: 10px !important;
  }

  .meta-label {
    font-size: 9.5px !important;
  }

  .meta-value.font-semibold {
    font-size: 12.5px !important;
    line-height: 1.3 !important;
  }

  .meta-info-box:last-child {
    grid-column: 1 / -1 !important;
  }

  /* Cụm nút hành động Đọc tiếp & Đổi trạng thái */
  #continueReadingBtn.block-btn {
    width: 100% !important;
    max-width: 100% !important;
    height: 42px !important;
    font-size: 14px !important;
    font-weight: 700 !important;
    border-radius: 10px !important;
    margin: 0 0 12px 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 8px !important;
    background: linear-gradient(180deg, #2563eb, #1d4ed8) !important;
    color: #ffffff !important;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3) !important;
  }

  body.theme-dark #continueReadingBtn.block-btn {
    background: linear-gradient(180deg, #38bdf8, #0284c7) !important;
    color: #090d16 !important;
    box-shadow: 0 4px 16px rgba(56, 189, 248, 0.35) !important;
  }

  .folder-select-wrap.modern-tags-wrap {
    margin-bottom: 16px !important;
    padding-bottom: 14px !important;
    border-bottom: 1px dashed var(--border) !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 6px !important;
  }

  .folder-select-wrap.modern-tags-wrap label {
    font-size: 11px !important;
    font-weight: 700 !important;
    color: var(--muted) !important;
    text-transform: uppercase !important;
    letter-spacing: 0.05em !important;
    margin-bottom: 2px !important;
    text-align: left !important;
  }

  .folder-select-wrap.modern-tags-wrap #tagCloud {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 6px !important;
    width: 100% !important;
  }

  .tag-toggle-btn {
    padding: 7px 6px !important;
    font-size: 11.5px !important;
    font-weight: 600 !important;
    text-align: center !important;
    border-radius: 8px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 100% !important;
    white-space: nowrap !important;
    margin: 0 !important;
  }

  /* Nút cuộn lên đầu trang (Back to top) an toàn */
  .scroll-to-top-btn {
    bottom: calc(20px + env(safe-area-inset-bottom, 0px)) !important;
    right: 16px !important;
    width: 40px !important;
    height: 40px !important;
    z-index: 150 !important;
  }

  .chapter-panel {
    padding-bottom: calc(60px + env(safe-area-inset-bottom, 16px)) !important;
  }

  /* Modal Lọc truyện nâng cao trên mobile */
  .split-layout-modal {
    width: 100vw !important;
    max-width: 100vw !important;
    height: 100dvh !important;
    max-height: 100dvh !important;
    border-radius: 0 !important;
    margin: 0 !important;
    padding: 14px 16px !important;
    box-sizing: border-box !important;
  }

  #advancedSearchModal.page-loading-overlay {
    padding-top: 0 !important;
    align-items: stretch !important;
  }

  /* Modal Chỉnh sửa chương trên mobile */
  .chapter-editor-modal {
    width: 100vw !important;
    max-width: 100vw !important;
    height: 100dvh !important;
    max-height: 100dvh !important;
    border-radius: 0 !important;
    padding: 12px 14px !important;
    box-sizing: border-box !important;
  }

  .chapter-editor-textarea {
    font-size: 16px !important;
    flex: 1 !important;
    min-height: 180px !important;
  }

  /* Thẻ xem nhanh nhân vật (Character Hover Card Bottom Sheet trên Mobile) */
  .character-hover-card {
    right: 0 !important;
    left: 0 !important;
    bottom: 0 !important;
    top: auto !important;
    width: 100% !important;
    max-width: 100% !important;
    max-height: 70dvh !important;
    border-radius: 20px 20px 0 0 !important;
    border-left: none !important;
    border-right: none !important;
    border-bottom: none !important;
    box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.28) !important;
    padding: 12px 18px calc(18px + env(safe-area-inset-bottom, 12px)) 18px !important;
    transform: translateY(100%) !important;
    transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease, visibility 0.2s ease !important;
  }

  .character-hover-card.is-visible {
    transform: translateY(0) !important;
    opacity: 1 !important;
    visibility: visible !important;
  }

  .character-hover-card__handle {
    display: block;
    width: 36px;
    height: 4px;
    background: var(--border);
    border-radius: 999px;
    margin: 0 auto 10px auto;
  }

  /* Modal Tô màu nhân vật */
  .character-highlight-modal {
    padding: 12px !important;
  }

  .character-highlight-modal-card {
    width: 100% !important;
    max-width: 100% !important;
    max-height: 90dvh !important;
    border-radius: 18px !important;
    padding: 14px !important;
  }

  /* Chống iOS Safari tự động zoom màn hình khi focus vào ô nhập liệu (yêu cầu font-size >= 16px) */
  input,
  select,
  textarea,
  .login-input,
  .chapter-search-input,
  .folder-select-ui,
  .small-input,
  .character-highlight-search,
  .chapter-editor-textarea {
    font-size: 16px !important;
  }
}

@media (max-width: 480px) {
  /* Danh sách chương: Ô tìm kiếm co giãn full width */
  .chapter-panel .section-row {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 10px !important;
  }

  .chapter-panel .section-row > div {
    width: 100% !important;
    display: flex !important;
    gap: 8px !important;
  }

  .chapter-search-input {
    width: 100% !important;
    flex: 1 !important;
  }

  /* Thẻ truyện trong thư viện */
  .library-container {
    padding: 16px 12px 0 12px !important;
  }
}

/* --- TOAST NOTIFICATIONS & CLOUD SYNC ANIMATIONS --- */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: min(420px, calc(100vw - 32px));
  pointer-events: none;
}

.toast-item {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--panel-strong);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(12px);
  color: var(--text);
  font-size: 13px;
  line-height: 1.4;
  opacity: 0;
  transform: translateY(-10px) scale(0.96);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.toast-item.toast-enter {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.toast-item.toast-exit {
  opacity: 0;
  transform: translateY(-10px) scale(0.95);
}

.toast-icon {
  font-size: 16px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.toast-icon.is-spinning {
  animation: spin-sync 1s linear infinite;
}

.toast-message {
  flex: 1;
  min-width: 0;
  word-break: break-word;
}

.toast-close-btn {
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 18px;
  line-height: 1;
  padding: 0 4px;
  cursor: pointer;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s ease;
}

.toast-close-btn:hover {
  color: var(--text);
}

.toast-item.toast-success {
  border-color: color-mix(in srgb, #22c55e 45%, var(--border));
}

.toast-item.toast-error {
  border-color: color-mix(in srgb, #ef4444 45%, var(--border));
}

.toast-item.toast-loading {
  border-color: color-mix(in srgb, var(--primary-color) 45%, var(--border));
}

@keyframes spin-sync {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

#syncR2Btn.is-syncing {
  pointer-events: none;
  opacity: 0.85;
  animation: spin-sync 1s linear infinite;
  color: var(--primary-color);
}