.tool-header{text-align:center;margin-bottom:40px}.header-badge{display:flex;justify-content:center;gap:12px;margin-bottom:24px;flex-wrap:wrap}.badge{background:linear-gradient(135deg, #667eea, #764ba2);color:white;padding:6px 18px;border-radius:40px;font-size:0.75rem;font-weight:500;box-shadow:0 2px 8px rgba(0,0,0,0.1)}.tool-header h1{font-size:2.2rem;font-weight:800;background:linear-gradient(135deg, #1e293b, #667eea);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px}.tool-header p{color:var(--gray-500);font-size:1rem}.search-stats{display:flex;justify-content:center;gap:32px;margin-bottom:32px;flex-wrap:wrap}.stat-item{text-align:center;background:white;padding:16px 24px;border-radius:60px;box-shadow:0 4px 15px rgba(0,0,0,0.05);border:1px solid var(--gray-200);min-width:120px}.stat-value{display:block;font-size:1.5rem;font-weight:700;color:var(--primary-color)}.stat-label{display:block;font-size:0.7rem;color:var(--gray-500);margin-top:4px}.category-nav{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;padding-bottom:16px;border-bottom:1px solid var(--gray-200)}.cat-nav-btn{background:var(--gray-100);border:none;padding:8px 18px;border-radius:40px;font-size:0.8rem;cursor:pointer;transition:all 0.2s;color:var(--gray-600);white-space:nowrap}.cat-nav-btn i{margin-right:6px}.cat-nav-btn.active{background:linear-gradient(135deg, #667eea, #764ba2);color:white;box-shadow:0 2px 8px rgba(102,126,234,0.3)}.cat-nav-btn:hover:not(.active){background:var(--gray-200);transform:translateY(-1px)}.symbols-grid{display:block;margin-bottom:24px;min-height:400px}.category-title{margin:24px 0 16px 0;padding-bottom:10px;border-bottom:2px solid var(--gray-200);font-size:1.1rem;font-weight:600;color:var(--gray-700);display:flex;align-items:center;gap:8px}.category-title:first-of-type{margin-top:0}.category-title i{color:var(--primary-color)}.category-title .category-count{font-size:0.7rem;font-weight:normal;color:var(--gray-400);margin-left:8px}.symbols-grid-inner{display:grid;grid-template-columns:repeat(auto-fill, minmax(100px, 1fr));gap:12px}.symbol-card{background:white;border:1px solid var(--gray-200);border-radius:16px;padding:16px 8px;text-align:center;cursor:pointer;transition:all 0.2s;position:relative;overflow:hidden}.symbol-card:hover{transform:translateY(-3px);border-color:var(--primary-color);box-shadow:0 8px 20px rgba(0,0,0,0.08)}.symbol-card::after{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg, #667eea, #764ba2);transform:scaleX(0);transition:transform 0.3s}.symbol-card:hover::after{transform:scaleX(1)}.symbol-char{font-size:2rem;font-family:monospace;line-height:1.2;margin-bottom:8px}.symbol-name{font-size:0.65rem;color:var(--gray-500);word-break:keep-all}.symbol-copy-tip{position:absolute;bottom:4px;right:8px;font-size:0.55rem;color:var(--gray-400);opacity:0;transition:opacity 0.2s}.symbol-card:hover .symbol-copy-tip{opacity:1}.empty-state{text-align:center;padding:60px;color:var(--gray-400);background:var(--gray-50);border-radius:24px}.empty-state i{font-size:48px;margin-bottom:16px;display:block}.empty-state p{margin-bottom:8px;font-size:1rem}.empty-state span{font-size:0.8rem}.copy-toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%) translateY(100px);background:var(--gray-800);color:white;padding:10px 24px;border-radius:40px;font-size:0.85rem;z-index:1000;opacity:0;transition:all 0.3s;pointer-events:none}.copy-toast.show{transform:translateX(-50%) translateY(0);opacity:1}.info-section{margin-top:32px}.divider{display:flex;align-items:center;gap:12px;margin-bottom:16px}.divider span{font-size:0.9rem;font-weight:500;color:var(--gray-600)}.divider::after{content:'';flex:1;height:1px;background:var(--gray-200)}.info-content{padding:16px;background:var(--gray-50);border-radius:16px;font-size:0.8rem;color:var(--gray-600)}@media (max-width:768px){.symbols-grid-inner{grid-template-columns:repeat(auto-fill, minmax(80px, 1fr));gap:8px}.symbol-char{font-size:1.5rem}.category-nav{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:12px}.category-nav::-webkit-scrollbar{height:3px}.cat-nav-btn{padding:6px 14px;font-size:0.7rem;white-space:nowrap}.search-stats{gap:16px}.stat-item{padding:12px 16px;min-width:80px}.stat-value{font-size:1.2rem}.tool-header h1{font-size:1.6rem}}