.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, #10b981, #059669);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, #10b981);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px}.tool-header p{color:var(--gray-500);font-size:1rem}.core-stats{display:flex;justify-content:center;gap:24px;margin-bottom:32px;flex-wrap:wrap}.core-stat{background:white;border-radius:60px;padding:16px 28px;display:flex;align-items:center;gap:16px;box-shadow:0 4px 15px rgba(0,0,0,0.05);border:1px solid var(--gray-200)}.core-stat-icon{width:48px;height:48px;background:linear-gradient(135deg, #d1fae5, #a7f3d0);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#10b981;font-size:1.3rem}.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)}.standard-section{background:linear-gradient(135deg, #f8fafc, #fff);border-radius:20px;padding:20px;margin-bottom:24px;border:1px solid var(--gray-200)}.standard-title{font-weight:600;margin-bottom:16px;color:var(--gray-700);display:flex;align-items:center;gap:8px}.standard-buttons{display:flex;gap:16px;flex-wrap:wrap}.standard-btn{background:transparent;border:1px solid var(--gray-200);padding:10px 24px;border-radius:60px;cursor:pointer;transition:all 0.3s;font-weight:500;text-align:center}.standard-btn i{margin-right:8px;color:#10b981}.standard-btn small{display:block;font-size:0.65rem;color:var(--gray-400);font-weight:normal}.standard-btn.active{background:linear-gradient(135deg, #10b981, #059669);border-color:#10b981;color:white}.standard-btn.active small{color:rgba(255,255,255,0.7)}.dual-editor{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:24px}.editor-card{background:white;border-radius:24px;overflow:hidden;border:1px solid var(--gray-200);transition:all 0.3s}.editor-card:hover{box-shadow:0 8px 30px rgba(0,0,0,0.08)}.card-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;background:linear-gradient(135deg, #f8fafc, #fff);border-bottom:1px solid var(--gray-200)}.card-title{display:flex;align-items:center;gap:12px;font-weight:600;color:var(--gray-700)}.card-title i{font-size:1.1rem}.card-title i.fa-lock{color:#10b981}.card-title i.fa-unlock-alt{color:#f59e0b}.badge-sm{background:var(--gray-100);padding:2px 10px;border-radius:20px;font-size:0.65rem;font-weight:normal}.card-actions{display:flex;gap:8px}.action-icon{background:transparent;border:none;padding:6px 10px;border-radius:30px;cursor:pointer;transition:all 0.2s;color:var(--gray-500)}.action-icon:hover{background:var(--gray-100);color:#10b981}.url-textarea{width:100%;min-height:200px;padding:20px;font-family:'Fira Code','Monaco',monospace;font-size:0.85rem;line-height:1.6;border:none;resize:vertical;background:#1a1a2e;color:#e0e0e0}.url-textarea:focus{outline:none}.card-footer{display:flex;justify-content:space-between;align-items:center;padding:12px 20px;background:var(--gray-50);border-top:1px solid var(--gray-200);font-size:0.7rem;color:var(--gray-500)}.encode-btn,.decode-btn{padding:8px 24px;font-size:0.85rem;border-radius:40px}.result-panel{margin-top:24px;background:white;border-radius:24px;overflow:hidden;border:1px solid var(--gray-200);animation:fadeIn 0.3s ease}.result-header{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;background:linear-gradient(135deg, #f8fafc, #fff);border-bottom:1px solid var(--gray-200)}.result-title{display:flex;align-items:center;gap:10px;font-weight:600}.result-actions{display:flex;gap:12px}.result-action-btn{background:transparent;border:none;padding:6px 14px;border-radius:30px;cursor:pointer;transition:all 0.2s;font-size:0.8rem;color:var(--gray-600)}.result-action-btn:hover{background:var(--gray-100);color:#10b981}.result-content{padding:20px;font-family:monospace;font-size:0.85rem;word-break:break-all;background:#1a1a2e;color:#e0e0e0;max-height:200px;overflow-y:auto;white-space:pre-wrap}.quick-examples{margin-top:24px}.divider{display:flex;align-items:center;gap:12px;margin-bottom:16px}.divider span{font-size:0.85rem;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:12px}.example-btn{background:var(--gray-100);border:1px solid var(--gray-200);padding:8px 20px;border-radius:40px;cursor:pointer;transition:all 0.2s;font-size:0.85rem}.example-btn:hover{background:#10b981;border-color:#10b981;color:white}.parser-section{margin-top:24px}.parser-panel{margin-top:16px;padding:20px;background:var(--gray-50);border-radius:20px}.parser-input{display:flex;gap:12px;margin-bottom:16px}.parser-url-input{flex:1;padding:12px 16px;border:1px solid var(--gray-300);border-radius:12px;font-family:monospace}.parser-result{background:white;border-radius:12px;padding:16px;max-height:300px;overflow-y:auto}.param-group{margin-bottom:16px;border-bottom:1px solid var(--gray-200);padding-bottom:12px}.param-group-title{font-weight:600;margin-bottom:8px;color:var(--gray-700)}.param-item{display:flex;padding:6px 0;font-family:monospace;font-size:0.8rem}.param-key{width:120px;color:#10b981;font-weight:500}.param-value{flex:1;color:var(--gray-600);word-break:break-all}.info-section{margin-top:24px}.info-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:16px;padding:16px;background:var(--gray-50);border-radius:20px}.info-item{display:flex;align-items:center;gap:8px;font-size:0.8rem;color:var(--gray-600)}.info-item i{color:#10b981}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (max-width:900px){.dual-editor{grid-template-columns:1fr}.info-grid{grid-template-columns:repeat(2, 1fr)}.parser-input{flex-direction:column}}@media (max-width:480px){.core-stats{gap:12px}.core-stat{padding:12px 20px}.info-grid{grid-template-columns:1fr}.standard-btn{padding:6px 16px;font-size:0.8rem}}