.detail-tabs{display:flex;gap:0.25rem;padding:0 0.5rem;overflow-x:auto;scrollbar-width:thin;scrollbar-color:var(--border-color) transparent;border-bottom:2px solid var(--border-color);background:var(--bg-secondary);position:sticky;top:0;z-index:50;}.detail-tabs::-webkit-scrollbar{height:4px;}.detail-tabs::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:2px;}.tab-btn{position:relative;padding:0.875rem 1.25rem;border:none;background:transparent;color:var(--text-secondary);font-size:0.875rem;font-weight:500;cursor:pointer;white-space:nowrap;transition:all 0.2s ease;border-bottom:3px solid transparent;margin-bottom:-2px;}.tab-btn:hover{color:var(--primary-color);background:rgba(32,128,128,0.05);}.tab-btn.active{color:var(--primary-color);border-bottom-color:var(--primary-color);font-weight:600;background:var(--bg-primary);}.tab-btn i,.tab-btn svg{width:14px;height:14px;margin-right:0.35rem;vertical-align:middle;}.tab-content{display:none;padding:1.5rem;animation:fadeInTab 0.3s ease;}.tab-content.active{display:block;}@keyframes fadeInTab{from{opacity:0;transform:translateY(8px);} to{opacity:1;transform:translateY(0);}}.meaning-section,.info-section,.etymology-section,.pronunciation-section{margin-bottom:1.5rem;padding:1.25rem;background:var(--bg-primary);border-radius:var(--radius-lg);border:1px solid var(--border-color);box-shadow:0 1px 3px rgba(0,0,0,0.05);}.meaning-section h4,.info-section h4,.etymology-section h4,.pronunciation-section h4{display:flex;align-items:center;gap:0.5rem;font-size:1rem;font-weight:600;color:var(--text-primary);margin-bottom:1rem;padding-bottom:0.75rem;border-bottom:2px solid var(--border-color);}.meaning-section h4 i,.info-section h4 i{color:var(--primary-color);}#tab-overview .stroke-preview-section{background:linear-gradient(135deg,var(--bg-secondary) 0%,rgba(32,128,128,0.05) 100%);border-radius:var(--radius-lg);padding:1.5rem;margin-bottom:1.5rem;border:1px solid var(--border-color);}#tab-overview .stroke-preview-section h4{text-align:center;color:var(--text-secondary);margin-bottom:1rem;}#tab-overview .stroke-preview{display:flex;justify-content:center;min-height:150px;background:var(--bg-primary);border-radius:var(--radius-md);padding:1rem;}#tab-overview .stroke-controls{display:flex;justify-content:center;gap:0.5rem;margin-top:1rem;}#tab-overview .btn-stroke{width:40px;height:40px;border:1px solid var(--border-color);background:var(--bg-primary);border-radius:var(--radius-md);cursor:pointer;transition:all 0.2s ease;font-size:1rem;}#tab-overview .btn-stroke:hover{background:var(--primary-color);color:white;border-color:var(--primary-color);}#tab-overview .info-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:0.75rem;margin-bottom:1rem;}#tab-overview .info-item{display:flex;align-items:baseline;gap:0.5rem;padding:0.625rem 0.875rem;background:var(--bg-secondary);border-radius:var(--radius-md);border:1px solid var(--border-color);}#tab-overview .info-item label{font-size:0.8rem;color:var(--text-tertiary);font-weight:500;white-space:nowrap;min-width:70px;}#tab-overview .info-item span{font-weight:500;color:var(--text-primary);}#tab-overview .info-item.full-width{grid-column:1 / -1;}#tab-overview .hanviet-main{font-size:1.1rem;color:var(--primary-color);font-weight:600;}#tab-meanings .meaning-container{display:flex;flex-direction:column;gap:1.25rem;}#tab-meanings .han-viet-section{display:flex;align-items:center;gap:0.75rem;padding:1rem 1.25rem;background:linear-gradient(135deg,rgba(220,38,38,0.08),rgba(185,28,28,0.04));border-radius:var(--radius-lg);border-left:4px solid #dc2626;}#tab-meanings .han-viet-section .label{font-size:0.85rem;color:var(--text-secondary);font-weight:500;}#tab-meanings .han-viet-section .reading{font-size:1.35rem;font-weight:700;color:#b91c1c;}#tab-meanings .meanings-by-source{display:flex;flex-direction:column;gap:1.25rem;}.source-block{background:var(--bg-secondary);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border-color);}.source-block.source-block-white{background:var(--bg-primary);}.source-header-numbered{display:flex;align-items:center;gap:0.75rem;padding:0.875rem 1rem;background:linear-gradient(135deg,var(--primary-color),#0d5a5a);color:white;}.source-number{display:flex;align-items:center;justify-content:center;width:28px;height:28px;background:rgba(255,255,255,0.2);border-radius:50%;font-weight:700;font-size:0.85rem;}.source-label{font-weight:600;font-size:0.95rem;}.source-meanings{padding:1rem;}.source-attribution{padding:0.625rem 1rem;background:var(--bg-tertiary);font-size:0.75rem;color:var(--text-tertiary);border-top:1px dashed var(--border-color);}.meaning-entry{padding:0.875rem;margin-bottom:0.75rem;background:var(--bg-secondary);border-radius:var(--radius-md);border-left:3px solid var(--border-color);transition:border-color 0.2s ease;}.meaning-entry:hover{border-left-color:var(--primary-color);}.meaning-entry:last-child{margin-bottom:0;}.meaning-content{line-height:1.7;color:var(--text-primary);}.examples-section{margin-top:0.75rem;padding-top:0.625rem;border-top:1px dashed var(--border-color);}.examples-header{margin-bottom:0.5rem;}.examples-label{font-size:0.8rem;color:var(--text-secondary);font-weight:500;}.example-item{padding:0.375rem 0;font-size:0.9rem;display:flex;gap:0.5rem;flex-wrap:wrap;}.example-chinese{font-family:var(--font-chinese);color:var(--text-primary);font-weight:500;cursor:pointer;}.example-chinese:hover{color:var(--primary-color);}.example-text{color:var(--text-secondary);}#tab-pronunciation .pronunciation-detailed{margin-bottom:1.5rem;}#tab-pronunciation .pronunciation-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:0.75rem;}#tab-pronunciation .info-item{display:flex;flex-direction:column;gap:0.35rem;padding:0.75rem 1rem;background:var(--bg-secondary);border-radius:var(--radius-md);border:1px solid var(--border-color);}#tab-pronunciation .info-item label{font-size:0.75rem;color:var(--text-tertiary);font-weight:500;text-transform:uppercase;letter-spacing:0.03em;}#tab-pronunciation .info-item span{font-size:1rem;font-weight:500;color:var(--text-primary);}#tab-pronunciation .fanqie-section{background:linear-gradient(135deg,var(--bg-secondary) 0%,rgba(139,92,246,0.08) 100%);border:1px solid rgba(139,92,246,0.2);border-radius:var(--radius-lg);padding:1.25rem;margin-top:1.5rem;}#tab-pronunciation .fanqie-section h4{display:flex;align-items:center;gap:0.5rem;color:var(--text-primary);margin-bottom:0.5rem;}#tab-pronunciation .fanqie-description{font-size:0.85rem;color:var(--text-secondary);margin-bottom:1.25rem;line-height:1.5;}#tab-pronunciation .fanqie-reading-value{font-size:1.4rem;font-weight:700;color:#8b5cf6;background:rgba(139,92,246,0.12);padding:0.35rem 0.85rem;border-radius:var(--radius-md);}#tab-etymology .glyph-evolution-section{margin-bottom:2rem;}#tab-etymology .historical-forms{display:flex;flex-wrap:wrap;justify-content:center;gap:1.25rem;padding:1rem;background:var(--bg-secondary);border-radius:var(--radius-lg);}#tab-etymology .form-item{display:flex;flex-direction:column;align-items:center;gap:0.5rem;padding:1rem;background:var(--bg-primary);border-radius:var(--radius-md);border:1px solid var(--border-color);min-width:90px;transition:all 0.2s ease;}#tab-etymology .form-item:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,0.1);}#tab-etymology .form-label{font-size:0.7rem;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:0.02em;}#tab-etymology .form-char{font-size:2rem;font-family:var(--font-chinese);color:var(--text-primary);}#tab-etymology .form-char-container{display:flex;gap:0.5rem;justify-content:center;min-height:50px;align-items:center;}#tab-etymology .historical-form-img{width:45px;height:45px;object-fit:contain;border-radius:4px;transition:transform 0.2s;cursor:zoom-in;}#tab-etymology .historical-form-img:hover{transform:scale(1.8);z-index:10;position:relative;box-shadow:0 4px 12px rgba(0,0,0,0.2);}#tab-etymology .kangxi-definition{font-family:var(--font-chinese);font-size:1rem;line-height:1.9;padding:1rem;background:var(--bg-secondary);border-radius:var(--radius-md);border-left:3px solid var(--primary-color);}#tab-nom .nom-section{padding:0.5rem 0;}#tab-nom .nom-header{margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:2px solid var(--border-color);}#tab-nom .nom-header h4{font-size:1.125rem;font-weight:600;color:var(--text-primary);margin-bottom:0.25rem;}#tab-nom .nom-subtitle{font-size:0.85rem;color:var(--text-secondary);}#tab-nom .nom-meanings-list{display:flex;flex-direction:column;gap:1rem;}#tab-nom .nom-source-group{margin-bottom:1.5rem;padding:1.25rem;border-radius:var(--radius-lg);background:var(--bg-secondary);border-left:4px solid var(--primary-color);}#tab-nom .nom-group-title{font-size:1rem;font-weight:600;color:var(--text-primary);margin-bottom:1rem;padding-bottom:0.625rem;border-bottom:1px solid var(--border-color);}#tab-nom .nom-meaning-item{background:var(--bg-primary);border-radius:var(--radius-md);padding:1rem;margin-bottom:0.75rem;border:1px solid var(--border-color);}#tab-nom .nom-meaning-header{display:flex;align-items:center;gap:0.75rem;margin-bottom:0.75rem;}#tab-nom .nom-reading{font-size:1.35rem;font-weight:600;color:var(--primary-color);font-family:var(--font-chinese);}#tab-nom .nom-word-class{padding:0.2rem 0.625rem;background:rgba(32,128,128,0.12);color:var(--primary-color);border-radius:var(--radius-full);font-size:0.7rem;font-weight:600;text-transform:uppercase;}#tab-nom .nom-meaning-content{font-size:0.95rem;line-height:1.7;color:var(--text-primary);}#tab-nom .nom-empty{text-align:center;padding:3rem;color:var(--text-tertiary);}#tab-nom .nom-empty i{font-size:2.5rem;opacity:0.5;margin-bottom:0.75rem;}#tab-examples .examples-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:0.75rem;}#tab-examples .example-word{display:flex;flex-direction:column;padding:1rem;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;transition:all 0.2s ease;text-align:center;}#tab-examples .example-word:hover{border-color:var(--primary-color);background:var(--bg-primary);transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,0.08);}#tab-examples .example-char{font-size:1.25rem;font-family:var(--font-chinese);font-weight:500;color:var(--text-primary);}#tab-examples .example-pinyin{font-size:0.75rem;color:var(--primary-color);margin-top:0.35rem;}#tab-examples .example-meaning{font-size:0.75rem;color:var(--text-secondary);margin-top:0.25rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}#tab-references .dict-refs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:0.75rem;}#tab-references .dict-ref-item{display:flex;flex-direction:column;gap:0.35rem;padding:1rem;background:var(--bg-secondary);border-radius:var(--radius-md);border-left:3px solid var(--primary-color);}#tab-references .dict-name{font-weight:600;color:var(--text-primary);font-size:0.95rem;}#tab-references .dict-desc{font-size:0.75rem;color:var(--text-tertiary);}#tab-references .dict-value{font-family:monospace;font-size:0.9rem;color:var(--primary-color);background:var(--bg-primary);padding:0.35rem 0.625rem;border-radius:var(--radius-sm);margin-top:0.25rem;}#tab-chinese-english .meaning-section{margin-bottom:1.5rem;}#tab-chinese-english .moe-content,#tab-chinese-english .xinhua-content{font-family:var(--font-chinese);font-size:0.95rem;line-height:1.8;padding:1rem;background:var(--bg-secondary);border-radius:var(--radius-md);}#tab-chinese-english .en-meaning{padding:0.5rem 0;border-bottom:1px solid var(--border-color);}#tab-chinese-english .en-meaning:last-child{border-bottom:none;}#tab-related .variant-group{margin-bottom:1.25rem;}#tab-related .variant-group label{display:block;font-size:0.85rem;color:var(--text-secondary);font-weight:500;margin-bottom:0.5rem;}#tab-related .variant-chars{display:flex;flex-wrap:wrap;gap:0.625rem;}#tab-related .variant-char{display:flex;flex-direction:column;align-items:center;padding:0.625rem 0.875rem;background:var(--bg-secondary);border-radius:var(--radius-md);border:1px solid var(--border-color);cursor:pointer;transition:all 0.2s ease;}#tab-related .variant-char:hover{border-color:var(--primary-color);background:var(--bg-primary);}#tab-related .variant-char .char{font-size:1.5rem;font-family:var(--font-chinese);}#tab-related .variant-char .label{font-size:0.65rem;color:var(--text-tertiary);margin-top:0.25rem;}.updating-notice{display:flex;align-items:center;gap:0.5rem;padding:1rem;background:linear-gradient(135deg,#fef3c7 0%,#fde68a 100%);color:#92400e;border-radius:var(--radius-md);font-size:0.9rem;text-align:center;justify-content:center;}.updating-badge{display:inline-flex;align-items:center;gap:0.25rem;padding:0.2rem 0.5rem;background:linear-gradient(135deg,#fef3c7,#fde68a);color:#92400e;font-size:0.75rem;border-radius:var(--radius-sm);animation:pulse-subtle 2s ease-in-out infinite;}@keyframes pulse-subtle{0%,100%{opacity:1;} 50%{opacity:0.7;}}.bktd-format .reading-header{display:flex;align-items:center;gap:0.5rem;margin-bottom:0.75rem;}.bktd-format .han-viet-reading{font-size:1.1rem;font-weight:600;color:#b91c1c;}.bktd-format .pinyin-reading{font-size:0.9rem;color:var(--text-secondary);}.bktd-format .compound-section{margin-top:0.75rem;border-left:2px solid var(--border-color);padding-left:0.75rem;}.bktd-format .compound-header{display:flex;align-items:center;gap:0.5rem;padding:0.5rem;background:var(--bg-tertiary);border-radius:var(--radius-sm);cursor:pointer;transition:background 0.2s;}.bktd-format .compound-header:hover{background:var(--bg-secondary);}.bktd-format .compound-toggle{font-size:0.7rem;color:var(--text-tertiary);transition:transform 0.2s;}.bktd-format .compound-word{font-family:var(--font-chinese);font-weight:600;color:var(--primary-color);cursor:pointer;}.bktd-format .compound-word:hover{text-decoration:underline;}.bktd-format .compound-hanviet{color:#b91c1c;font-weight:500;}.bktd-format .compound-pinyin{color:var(--text-secondary);font-size:0.85rem;}.bktd-format .compound-content{padding:0.75rem;margin-top:0.5rem;background:var(--bg-primary);border-radius:var(--radius-sm);border:1px solid var(--border-color);}.bktd-format .definition-block{margin-top:0.5rem;}.bktd-format .sub-definition{padding:0.35rem 0;}.bktd-format .sub-marker{font-weight:600;color:var(--primary-color);margin-right:0.35rem;}.bktd-format .examples-list{margin-top:0.5rem;padding-left:1rem;}.bktd-format .example-item{display:flex;gap:0.5rem;padding:0.25rem 0;font-size:0.9rem;}.bktd-format .ex-chinese{font-family:var(--font-chinese);color:var(--text-primary);cursor:pointer;}.bktd-format .ex-chinese:hover{color:var(--primary-color);}.bktd-format .ex-meaning{color:var(--text-secondary);}.bktd-format .bktd-category{margin-bottom:0.5rem;}.bktd-format .category-tag{display:inline-block;padding:0.2rem 0.5rem;background:rgba(139,92,246,0.1);color:#8b5cf6;border-radius:var(--radius-sm);font-size:0.8rem;font-weight:500;}[data-theme="dark"] .detail-tabs{background:var(--bg-tertiary);}[data-theme="dark"] .tab-btn.active{background:var(--bg-secondary);}[data-theme="dark"] .source-block{background:var(--bg-tertiary);}[data-theme="dark"] .meaning-entry{background:var(--bg-tertiary);}[data-theme="dark"] #tab-meanings .han-viet-section{background:linear-gradient(135deg,rgba(220,38,38,0.12),rgba(185,28,28,0.08));}[data-theme="dark"] .updating-notice,[data-theme="dark"] .updating-badge{background:linear-gradient(135deg,rgba(254,243,199,0.2),rgba(253,230,138,0.15));}[data-theme="dark"] #tab-etymology .historical-form-img{filter:invert(0.85);}@media (max-width:768px){.detail-tabs{padding:0;} .tab-btn{padding:0.75rem 0.875rem;font-size:0.8rem;} .tab-content{padding:1rem;} #tab-overview .info-grid{grid-template-columns:1fr;} #tab-pronunciation .pronunciation-grid{grid-template-columns:1fr;} #tab-etymology .historical-forms{gap:0.75rem;} #tab-etymology .form-item{min-width:70px;padding:0.75rem;} #tab-etymology .form-char{font-size:1.5rem;} #tab-examples .examples-grid{grid-template-columns:repeat(2,1fr);} #tab-references .dict-refs-grid{grid-template-columns:1fr;}}@media (max-width:480px){.tab-btn{padding:0.625rem 0.625rem;font-size:0.75rem;} .source-header-numbered{padding:0.75rem;} .source-number{width:24px;height:24px;font-size:0.75rem;} .source-label{font-size:0.85rem;}}#tab-nom .nom-source-group.nguyen-trai-group{background:linear-gradient(135deg,rgba(32,128,128,0.06) 0%,rgba(6,182,212,0.03) 100%);border-left-color:var(--primary-color);}#tab-nom .nom-source-group.gdhn-group{background:linear-gradient(135deg,rgba(168,85,247,0.06) 0%,rgba(192,132,252,0.03) 100%);border-left-color:#a855f7;}#tab-nom .nom-source-group.vhn-group{background:linear-gradient(135deg,rgba(59,130,246,0.06) 0%,rgba(96,165,250,0.03) 100%);border-left-color:#3b82f6;}#tab-nom .nom-source-group.btcn-group{background:linear-gradient(135deg,rgba(20,184,166,0.06) 0%,rgba(45,212,191,0.03) 100%);border-left-color:#14b8a6;}#tab-nom .nom-source-group.tdcnt-group{background:linear-gradient(135deg,rgba(245,158,11,0.06) 0%,rgba(251,191,36,0.03) 100%);border-left-color:#f59e0b;}#tab-nom .nom-source-group.tdcndg-group{background:linear-gradient(135deg,rgba(244,63,94,0.06) 0%,rgba(251,113,133,0.03) 100%);border-left-color:#f43f5e;}#tab-nom .nom-source-group.tdhv-group,#tab-nom .nom-source-group.tdhv-tvc-group{background:linear-gradient(135deg,rgba(99,102,241,0.06) 0%,rgba(129,140,248,0.03) 100%);border-left-color:#6366f1;}#tab-nom .nom-source-group.nantugiaiam-chugiai-group{background:linear-gradient(135deg,rgba(146,64,14,0.06) 0%,rgba(180,83,9,0.03) 100%);border-left-color:#92400e;}#tab-nom .nom-source-group.hongnghia-ythu-group{background:linear-gradient(135deg,rgba(34,197,94,0.06) 0%,rgba(74,222,128,0.03) 100%);border-left-color:#22c55e;}#tab-nom .nom-source-group.taberd-group{background:linear-gradient(135deg,rgba(139,119,101,0.06) 0%,rgba(180,160,140,0.03) 100%);border-left-color:#8b7765;}#tab-nom .nom-source-group.genibrel-group{background:linear-gradient(135deg,rgba(132,204,22,0.06) 0%,rgba(163,230,53,0.03) 100%);border-left-color:#84cc16;}#tab-nom .nom-source-group.kieu-1866-group,#tab-nom .nom-source-group.kieu-1871-group,#tab-nom .nom-source-group.kieu-1902-group{background:linear-gradient(135deg,rgba(220,38,38,0.06) 0%,rgba(248,113,113,0.03) 100%);border-left-color:#dc2626;}#tab-nom .nom-source-group.luc-van-tien-group{background:linear-gradient(135deg,rgba(14,165,233,0.06) 0%,rgba(56,189,248,0.03) 100%);border-left-color:#0ea5e9;}#tab-nom .nom-source-group.nom-tay-hta-group,#tab-nom .nom-source-group.nom-tay-group{background:linear-gradient(135deg,rgba(16,185,129,0.06) 0%,rgba(52,211,153,0.03) 100%);border-left-color:#10b981;}#tab-nom .nom-source-group.other-source-group{background:linear-gradient(135deg,rgba(100,116,139,0.06) 0%,rgba(148,163,184,0.03) 100%);border-left-color:#64748b;}#tab-etymology .form-char.no-data{color:var(--text-tertiary);font-size:1.5rem;}#tab-etymology .form-loading{font-size:1.25rem;}#tab-nom .nom-examples-section{margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--border-color);}#tab-nom .nom-example-block{margin-bottom:1.25rem;padding:1rem;background:var(--bg-secondary);border-radius:var(--radius-md);border-left:3px solid var(--accent-color,#f59e0b);}#tab-nom .nom-example-work-title{font-size:0.8rem;font-weight:600;color:var(--accent-color,#f59e0b);margin-bottom:0.75rem;text-transform:uppercase;letter-spacing:0.03em;}#tab-nom .nom-example-line{font-family:var(--font-chinese);font-size:1.1rem;line-height:1.7;color:var(--text-primary);}#tab-nom .nom-example-qn{font-size:0.9rem;color:var(--text-secondary);font-style:italic;margin-top:0.25rem;}#tab-nom .nom-char-hit{background:rgba(245,158,11,0.2);color:var(--text-primary);padding:0 0.2rem;border-radius:2px;font-weight:500;}[data-theme="dark"] #tab-nom .nom-source-group{background:var(--bg-tertiary);}[data-theme="dark"] #tab-nom .nom-meaning-item{background:var(--bg-secondary);}