.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, #059669, #047857);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:2rem;font-weight:800;background:linear-gradient(135deg, #1e293b, #059669);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px}.tool-header p{color:var(--gray-500);font-size:0.95rem}.core-stats{display:flex;justify-content:center;gap:24px;margin-bottom:32px;flex-wrap:wrap}.core-stat{background:white;border-radius:60px;padding:14px 24px;display:flex;align-items:center;gap:14px;box-shadow:0 4px 15px rgba(0,0,0,0.05);border:1px solid var(--gray-200)}.core-stat-icon{width:44px;height:44px;background:linear-gradient(135deg, #d1fae5, #a7f3d0);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#059669;font-size:1.2rem}.core-stat-info{text-align:left}.core-stat-value{display:block;font-size:1.3rem;font-weight:700;color:var(--gray-800)}.core-stat-label{font-size:0.7rem;color:var(--gray-500)}.mode-tabs{display:flex;gap:16px;margin-bottom:24px;justify-content:center}.mode-tab{background:transparent;border:none;padding:12px 28px;cursor:pointer;transition:all 0.3s;border-radius:60px;text-align:center;min-width:140px}.mode-tab i{font-size:1.2rem;display:block;margin-bottom:6px}.mode-tab span{display:block;font-weight:600;font-size:0.9rem}.mode-tab small{font-size:0.65rem;color:var(--gray-400)}.mode-tab.active{background:linear-gradient(135deg, #059669, #047857);color:white;box-shadow:0 4px 12px rgba(5,150,105,0.3)}.mode-tab.active small{color:rgba(255,255,255,0.8)}.encode-options{background:linear-gradient(135deg, #f8fafc, #fff);border-radius:20px;padding:16px 20px;margin-bottom:24px;border:1px solid var(--gray-200);display:flex;flex-wrap:wrap;gap:24px}.option-group{flex:1;min-width:180px}.option-title{font-weight:600;font-size:0.8rem;color:var(--gray-700);margin-bottom:10px;display:block}.option-items{display:flex;flex-wrap:wrap;gap:16px;align-items:center}.checkbox-label{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:0.8rem;user-select:none}.checkbox-label input{display:none}.checkmark{width:16px;height:16px;border:2px solid var(--gray-400);border-radius:4px;display:inline-block;position:relative;transition:all 0.2s}.checkbox-label input:checked+.checkmark{background:#059669;border-color:#059669}.checkbox-label input:checked+.checkmark::after{content:'\f00c';font-family:'Font Awesome 6 Free';font-weight:900;font-size:9px;color:white;position:absolute;top:50%;left:50%;transform:translate(-50%, -50%)}.select-input{padding:6px 14px;border:1px solid var(--gray-300);border-radius:30px;background:white;font-size:0.8rem;cursor:pointer}.editor-container{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:24px}.editor-panel{background:white;border-radius:20px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,0.05);border:1px solid var(--gray-200)}.panel-header{display:flex;justify-content:space-between;align-items:center;padding:12px 18px;background:linear-gradient(135deg, #f8fafc, #fff);border-bottom:1px solid var(--gray-200);flex-wrap:wrap;gap:10px}.panel-title{display:flex;align-items:center;gap:8px;font-weight:600;color:var(--gray-700);font-size:0.9rem}.panel-title i{color:#059669}.panel-actions{display:flex;gap:6px}.action-btn{background:transparent;border:none;padding:5px 10px;border-radius:30px;cursor:pointer;transition:all 0.2s;color:var(--gray-600);font-size:0.75rem}.action-btn:hover{background:var(--gray-200);color:#059669}.convert-btn{background:linear-gradient(135deg, #059669, #047857);color:white;padding:6px 18px}.convert-btn:hover{background:var(--gray-200);color:#059669}.code-textarea{width:100%;min-height:280px;padding:18px;font-family:'Fira Code','Monaco',monospace;font-size:13px;line-height:1.6;border:none;resize:vertical;background:#1a1a2e;color:#e0e0e0}.code-textarea:focus{outline:none}.output-wrapper{min-height:280px;max-height:350px;overflow:auto;background:#1a1a2e}.code-output{margin:0;padding:18px;font-family:'Fira Code','Monaco',monospace;font-size:13px;line-height:1.6;color:#e0e0e0;white-space:pre-wrap;word-break:break-all}.panel-footer{padding:6px 18px;background:var(--gray-50);border-top:1px solid var(--gray-200);display:flex;gap:16px;font-size:0.65rem;color:var(--gray-500)}.quick-examples{margin-top:20px}.divider{display:flex;align-items:center;gap:12px;margin-bottom:14px}.divider span{font-size:0.8rem;font-weight:500;color:var(--gray-600)}.divider::after{content:'';flex:1;height:1px;background:var(--gray-200)}.example-buttons{display:flex;flex-wrap:wrap;gap:10px}.example-btn{background:var(--gray-100);border:1px solid var(--gray-200);padding:6px 18px;border-radius:40px;cursor:pointer;transition:all 0.2s;font-size:0.8rem}.example-btn:hover{background:#059669;border-color:#059669;color:white}.info-section{margin-top:24px}.info-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:16px;margin-top:16px}.info-card{background:var(--gray-50);border-radius:16px;padding:16px;text-align:center;transition:all 0.3s}.info-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,0.05)}.info-card i{font-size:1.5rem;color:#059669;margin-bottom:10px}.info-card h4{font-size:0.85rem;margin-bottom:8px}.info-card p{font-size:0.7rem;color:var(--gray-500);line-height:1.4}@media (max-width:900px){.editor-container{grid-template-columns:1fr}.info-grid{grid-template-columns:repeat(2, 1fr)}.encode-options{flex-direction:column;gap:16px}}@media (max-width:480px){.core-stats{gap:12px}.core-stat{padding:10px 18px}.info-grid{grid-template-columns:1fr}.mode-tab{padding:8px 16px;min-width:auto}}