/* css/reader.css - Reader view, sentence card, word tokens, karaoke, phrase select & translation */
/* View: Reader */
.reader-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px 14px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.toggle-btn {
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-muted);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
}

.toggle-btn.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.sentence-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  box-shadow: var(--card-shadow);
  margin-bottom: 16px;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.sentence-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.sentence-index {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
}

.sentence-content {
  font-size: var(--reader-font-size);
  line-height: 2.3;
  font-family: var(--font-hanzi);
  word-break: normal;
  overflow-wrap: break-word;
  line-break: strict;
  user-select: text;
}

/* Word Token / Ruby Styling */
.word-token {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  vertical-align: bottom;
  margin: 1px 2px;
  padding: 2px 3px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
  position: relative;
  text-align: center;
}

.punctuation-token {
  display: inline-flex;
  align-items: flex-end;
  vertical-align: bottom;
  margin: 0 1px;
  padding-bottom: 2px;
  color: var(--text-secondary);
  font-family: var(--font-hanzi);
  font-size: 0.9em;
  user-select: text;
}

.word-token:hover {
  background-color: var(--accent-subtle);
  transform: translateY(-2px);
}

.word-token:active {
  transform: scale(0.95);
}

/* Phrase selection + karaoke */
.select-mode .word-token { touch-action: pan-y; user-select: none; -webkit-user-select: none; }
.word-token.sel-token { background: var(--accent-subtle); box-shadow: 0 0 0 2px var(--accent); }
.word-token.karaoke-active { background: var(--accent-subtle); box-shadow: 0 0 0 2px var(--accent); transform: translateY(-2px); }
.word-token.karaoke-active .token-chars { color: var(--accent); }
.word-token.karaoke-done .token-chars { color: var(--accent); opacity: .65; }
#phrase-bar {
  position: fixed; left: 50%; bottom: 18px; transform: translateX(-50%);
  z-index: 900; display: none; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: center;
  max-width: calc(100vw - 24px); padding: 10px 12px; border-radius: 14px;
  background: var(--bg-card, #fff); color: var(--text, #222);
  border: 1px solid var(--accent); box-shadow: 0 6px 24px rgba(0,0,0,.25);
}
#phrase-bar.show { display: flex; }
#phrase-bar .phrase-text { font-size: 18px; font-weight: 700; max-width: 100%; word-break: break-all; }



.token-pinyin {
  font-size: 0.45em;
  line-height: 1.1;
  font-weight: 600;
  color: var(--accent);
  user-select: none;
  letter-spacing: -0.2px;
}

.token-chars {
  font-size: 1em;
  line-height: 1.1;
  color: var(--text-primary);
}

.token-mini-meaning {
  font-size: 0.35em;
  line-height: 1;
  color: var(--text-muted);
  max-width: 60px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hide-pinyin .token-pinyin {
  display: none;
}

.hide-meaning .token-mini-meaning {
  display: none;
}

/* Sentence Translation Box */
.translation-box {
  margin-top: 16px;
  padding: 14px;
  border-radius: var(--radius-md);
  background-color: var(--bg-muted);
  border-left: 3px solid var(--accent);
  font-size: 14px;
  color: var(--text-primary);
  user-select: text;
  display: none;
}

.translation-box.show {
  display: block;
}

/* ===== 3-LENS TRANSLATION SYSTEM ===== */
.trans-lens-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.trans-lens-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
}
.trans-lens-tabs {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.trans-lens-tabs::-webkit-scrollbar { display: none; }
.trans-lens-tab {
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-sm, 6px);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.trans-lens-tab:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}
.trans-lens-tab.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 2px 6px rgba(232, 52, 78, 0.25);
}
.trans-lens-tab[data-lens="native"].active {
  background: #10B981;
  border-color: #10B981;
  box-shadow: 0 2px 6px rgba(16, 185, 129, 0.25);
}
.trans-lens-tab[data-lens="genz"].active {
  background: #F59E0B;
  border-color: #F59E0B;
  box-shadow: 0 2px 6px rgba(245, 158, 11, 0.25);
}
.trans-lens-tab[data-lens="business"].active {
  background: #3B82F6;
  border-color: #3B82F6;
  box-shadow: 0 2px 6px rgba(59, 130, 246, 0.25);
}
.trans-lens-tab[data-lens="all"].active {
  background: #8B5CF6;
  border-color: #8B5CF6;
  box-shadow: 0 2px 6px rgba(139, 92, 246, 0.25);
}
.trans-lens-card {
  padding: 12px 14px;
  border-radius: var(--radius-sm, 8px);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  position: relative;
  transition: all 0.2s ease;
}
.trans-lens-card.lens-native {
  border-left: 4px solid #10B981;
  background: rgba(16, 185, 129, 0.03);
}
.trans-lens-card.lens-genz {
  border-left: 4px solid #F59E0B;
  background: rgba(245, 158, 11, 0.04);
}
.trans-lens-card.lens-business {
  border-left: 4px solid #3B82F6;
  background: rgba(59, 130, 246, 0.04);
}
.trans-lens-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
  flex-wrap: wrap;
  gap: 6px;
}
.trans-lens-badge {
  font-size: 11.5px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.trans-lens-badge.native { color: #10B981; }
.trans-lens-badge.genz { color: #D97706; }
.trans-lens-badge.business { color: #2563EB; }
.lens-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
}
.trans-lens-text {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-primary);
  font-weight: 500;
  word-break: break-word;
}
.trans-lens-copy-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  cursor: pointer;
  padding: 3px 8px;
  font-size: 11px;
  color: var(--text-muted);
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.15s ease;
}
.trans-lens-copy-btn:hover {
  background: var(--bg-muted);
  color: var(--text-primary);
  border-color: var(--text-secondary);
}
.trans-lens-secondary-lang {
  margin-top: 8px;
  padding: 8px 10px;
  border-radius: 6px;
  background: var(--bg-muted);
  border-left: 3px solid var(--accent);
}

.sentence-nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 18px;
}

/* Full Text Mode */
.full-text-container {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  font-size: var(--reader-font-size);
  line-height: 2.3;
  word-break: normal;
  overflow-wrap: break-word;
  line-break: strict;
}

.sentence-paragraph {
  margin-bottom: 20px;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: background-color 0.2s;
}

.sentence-paragraph.active-sentence {
  background-color: var(--accent-subtle);
  border-left: 3px solid var(--accent);
}

/* Phrase bar: readable in dark mode (was using an undefined variable) */
#phrase-bar { color: var(--text-primary); }