.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 0, #764ba2 100%);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, #3b82f6);background-clip:text;-webkit-background-clip:text;color:transparent;margin-bottom:12px}.tool-header p{color:var(--gray-500);font-size:1rem}.converter-container{display:flex;flex-direction:column;gap:24px}.input-section{background:linear-gradient(135deg, #fff, #f8fafc);border-radius:24px;border:1px solid var(--gray-200);overflow:hidden;transition:all 0.3s}.input-section:focus-within{border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(59,130,246,0.1)}.section-header{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;background:linear-gradient(135deg, #f8fafc, #fff);border-bottom:1px solid var(--gray-200)}.header-title{display:flex;align-items:center;gap:12px;font-weight:600;color:var(--gray-700)}.badge-count{background:var(--primary-color);color:white;font-size:0.7rem;padding:2px 10px;border-radius:30px}.header-actions{display:flex;gap:8px}.icon-btn-sm{background:transparent;border:none;padding:6px 10px;border-radius:30px;cursor:pointer;transition:all 0.2s;color:var(--gray-500)}.icon-btn-sm:hover{background:var(--gray-100);color:var(--primary-color)}.input-textarea{width:100%;min-height:180px;padding:20px;border:none;font-family:'Fira Code',monospace;font-size:0.9rem;line-height:1.6;resize:vertical;background:#1a1a2e;color:#e0e0e0}.input-textarea:focus{outline:none}.input-stats{padding:10px 20px;background:var(--gray-50);border-top:1px solid var(--gray-200);display:flex;gap:24px;font-size:0.7rem;color:var(--gray-500)}.input-stats i{margin-right:4px}.convert-options{background:var(--gray-50);border-radius:20px;padding:20px}.convert-options h4{margin-bottom:16px;font-size:0.9rem;display:flex;align-items:center;gap:8px;color:var(--gray-700)}.format-buttons{display:grid;grid-template-columns:repeat(auto-fill, minmax(140px, 1fr));gap:12px}.format-btn{background:white;border:1px solid var(--gray-200);padding:12px 16px;border-radius:16px;cursor:pointer;transition:all 0.2s;text-align:left}.format-btn i{font-size:1.1rem;margin-right:8px;color:var(--primary-color)}.format-btn span{display:block;font-weight:600;font-size:0.85rem;margin-bottom:4px}.format-btn small{font-size:0.65rem;color:var(--gray-400)}.format-btn.active{background:linear-gradient(135deg, var(--primary-color), var(--primary-dark));border-color:var(--primary-color)}.format-btn.active i,.format-btn.active span,.format-btn.active small{color:white}.convert-actions{display:flex;justify-content:center;gap:16px}.convert-btn{background:linear-gradient(135deg, var(--primary-color), var(--primary-dark));padding:12px 32px;font-size:1rem;border-radius:50px}.btn-outline{background:transparent;border:1px solid var(--gray-300);padding:12px 24px;border-radius:50px;font-weight:500;cursor:pointer;transition:all 0.3s;display:inline-flex;align-items:center;gap:8px}.btn-outline:hover{background:var(--gray-100);border-color:var(--primary-color);color:var(--primary-color)}.output-section{background:linear-gradient(135deg, #fff, #f8fafc);border-radius:24px;border:1px solid var(--gray-200);overflow:hidden}.output-content{min-height:200px;padding:20px;background:#1a1a2e;color:#e0e0e0}.empty-placeholder{text-align:center;padding:40px;color:var(--gray-500)}.empty-placeholder i{font-size:48px;margin-bottom:16px;opacity:0.5}.output-list{display:flex;flex-direction:column;gap:8px}.output-item{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;background:#2d2d44;border-radius:12px;font-family:'Fira Code',monospace;font-size:0.85rem;transition:all 0.2s}.output-item:hover{background:#3d3d5c}.output-original{color:#a0a0c0;display:flex;align-items:center;gap:8px}.output-original i{opacity:0.5;font-size:0.75rem}.output-value{color:#4ade80;word-break:break-all}.output-arrow{color:var(--gray-500);margin:0 12px}.output-copy{background:transparent;border:none;color:var(--gray-500);cursor:pointer;padding:4px 8px;border-radius:6px;transition:all 0.2s}.output-copy:hover{background:var(--gray-700);color:var(--primary-color)}.output-stats{padding:10px 20px;background:var(--gray-50);border-top:1px solid var(--gray-200);display:flex;gap:24px;font-size:0.7rem;color:var(--gray-500)}.info-section{margin-top:24px}.info-grid{display:grid;grid-template-columns:repeat(auto-fill, minmax(300px, 1fr));gap:16px;margin-top:16px}.info-card{background:var(--gray-50);border-radius:20px;padding:16px;display:flex;gap:16px;transition:all 0.2s}.info-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,0.05)}.info-icon{width:48px;height:48px;background:linear-gradient(135deg, #e0e7ff, #f0f4ff);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.3rem;color:var(--primary-color)}.info-content h4{font-size:0.9rem;margin-bottom:6px;color:var(--gray-800)}.info-content p{font-size:0.7rem;color:var(--gray-500);margin-bottom:6px}.info-content code{font-size:0.7rem;background:white;padding:2px 8px;border-radius:12px;color:var(--primary-color)}.ad-section{margin:20px 0 40px}.ad-banner{background:linear-gradient(135deg, #f5f5f5, #fff);border:1px solid var(--gray-200);border-radius:16px;padding:20px;text-align:center;position:relative}.ad-label{position:absolute;top:8px;right:12px;font-size:0.6rem;color:var(--gray-400)}@media (max-width:768px){.format-buttons{grid-template-columns:repeat(2, 1fr)}.info-grid{grid-template-columns:1fr}.convert-actions{flex-direction:column}.convert-btn{width:100%}}