.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:1.5rem;font-weight:700;color:var(--gray-800)}.core-stat-label{font-size:0.7rem;color:var(--gray-500)}.config-section,.crypto-section{background:linear-gradient(135deg, #f8fafc, #fff);border-radius:24px;padding:24px;margin-bottom:24px;border:1px solid var(--gray-200)}.config-section h3,.crypto-section h3{font-size:1rem;margin-bottom:20px;color:var(--gray-700);display:flex;align-items:center;gap:8px}.config-grid{display:grid;grid-template-columns:repeat(2, 1fr);gap:20px}.config-group{display:flex;flex-direction:column}.config-group label{font-size:0.8rem;font-weight:500;color:var(--gray-600);margin-bottom:8px}.config-group label i{margin-right:6px;color:#10b981}.config-input{padding:12px 16px;border:1px solid var(--gray-200);border-radius:12px;font-size:0.9rem;transition:all 0.3s}.config-input:focus{outline:none;border-color:#10b981;box-shadow:0 0 0 3px rgba(16,185,129,0.1)}.config-hint{font-size:0.7rem;color:var(--gray-400);margin-top:6px}.crypto-grid{display:flex;flex-direction:column;gap:20px}.crypto-group label{font-size:0.8rem;font-weight:500;color:var(--gray-600);margin-bottom:12px;display:block}.algo-buttons,.key-buttons,.valid-buttons{display:flex;flex-wrap:wrap;gap:12px}.algo-btn,.key-btn,.valid-btn{background:white;border:1px solid var(--gray-200);padding:8px 20px;border-radius:40px;cursor:pointer;transition:all 0.2s;font-size:0.85rem}.algo-btn i{margin-right:6px}.algo-btn.active,.key-btn.active,.valid-btn.active{background:#10b981;border-color:#10b981;color:white}.generate-section{text-align:center;margin-bottom:24px}.generate-btn{background:linear-gradient(135deg, #10b981, #059669);border:none;padding:16px 40px;border-radius:60px;color:white;font-size:1rem;font-weight:600;cursor:pointer;transition:all 0.3s}.generate-btn:hover{transform:translateY(-2px);box-shadow:0 10px 25px rgba(16,185,129,0.4)}.generating-state{text-align:center;padding:40px;background:var(--gray-50);border-radius:24px;margin-bottom:24px}.generating-spinner{width:50px;height:50px;border:3px solid var(--gray-200);border-top-color:#10b981;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 20px}.generating-progress{margin-top:20px}.progress-bar{height:6px;background:var(--gray-200);border-radius:3px;overflow:hidden;max-width:300px;margin:0 auto}.progress-fill{height:100%;background:#10b981;width:0%;transition:width 0.3s}.progress-text{font-size:0.8rem;color:var(--gray-500);margin-top:8px}@keyframes spin{to{transform:rotate(360deg)}}.cert-result{background:white;border-radius:24px;border:1px solid var(--gray-200);overflow:hidden;margin-bottom:24px}.result-tabs{display:flex;gap:4px;padding:16px 20px 0;background:var(--gray-50);border-bottom:1px solid var(--gray-200);flex-wrap:wrap}.result-tab{background:transparent;border:none;padding:10px 20px;cursor:pointer;font-size:0.85rem;font-weight:500;color:var(--gray-600);border-radius:30px;transition:all 0.2s}.result-tab.active{background:white;color:#10b981}.result-panel{padding:24px}.cert-info-grid{display:grid;grid-template-columns:repeat(2, 1fr);gap:16px}.cert-info-item{display:flex;flex-direction:column;gap:4px;padding:12px;background:var(--gray-50);border-radius:16px}.info-label{font-size:0.7rem;color:var(--gray-500)}.info-value{font-size:0.85rem;font-weight:500;color:var(--gray-800);word-break:break-all}.info-value.fingerprint{font-family:monospace;font-size:0.7rem}.code-header{display:flex;align-items:center;gap:12px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--gray-200);flex-wrap:wrap}.code-header span{flex:1;font-weight:500}.copy-code-btn,.download-code-btn{background:var(--gray-100);border:none;padding:6px 16px;border-radius:30px;cursor:pointer;font-size:0.75rem;transition:all 0.2s}.copy-code-btn:hover,.download-code-btn:hover{background:#10b981;color:white}.security-warning{background:#fef3c7;color:#92400e;padding:8px 16px;border-radius:30px;font-size:0.7rem;display:flex;align-items:center;gap:8px}.code-content{background:#1a1a2e;color:#e0e0e0;padding:20px;border-radius:16px;font-family:'Fira Code',monospace;font-size:0.75rem;line-height:1.5;overflow-x:auto;white-space:pre-wrap;word-break:break-all;max-height:300px;overflow-y:auto}.info-section{margin-top:8px}.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:0.75rem;color:var(--gray-600)}.info-item i{color:#10b981}@media (max-width:900px){.config-grid{grid-template-columns:1fr}.cert-info-grid{grid-template-columns:1fr}.info-grid{grid-template-columns:repeat(2, 1fr)}}@media (max-width:480px){.core-stats{gap:12px}.core-stat{padding:12px 20px}.algo-buttons,.key-buttons,.valid-buttons{flex-direction:column}.info-grid{grid-template-columns:1fr}.code-header{flex-direction:column;align-items:flex-start}}