.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)}.mode-tabs{display:flex;gap:16px;margin-bottom:28px;justify-content:center}.mode-tab{background:transparent;border:none;padding:14px 32px;cursor:pointer;transition:all 0.3s;border-radius:60px;text-align:center;min-width:160px}.mode-tab i{font-size:1.3rem;color:var(--gray-400);margin-bottom:6px;display:block}.mode-tab span{display:block;font-weight:600;color:var(--gray-600);margin-bottom:2px}.mode-tab small{font-size:0.65rem;color:var(--gray-400)}.mode-tab.active{background:linear-gradient(135deg, #10b981, #059669);box-shadow:0 8px 25px rgba(16,185,129,0.3)}.mode-tab.active i,.mode-tab.active span,.mode-tab.active small{color:white}.key-section{background:linear-gradient(135deg, #f8fafc, #fff);border-radius:24px;padding:20px;margin-bottom:24px;border:1px solid var(--gray-200)}.key-header{display:flex;align-items:center;gap:8px;margin-bottom:16px;font-weight:600;color:var(--gray-700)}.key-header i{color:#10b981}.key-input-group{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:16px}.key-input{flex:2;padding:14px 18px;border:1px solid var(--gray-200);border-radius:60px;font-family:'Fira Code',monospace;font-size:0.9rem;transition:all 0.3s}.key-input:focus{outline:none;border-color:#10b981;box-shadow:0 0 0 3px rgba(16,185,129,0.1)}.key-options{flex:1;display:flex;gap:12px;align-items:center;flex-wrap:wrap}.key-length-label{display:flex;align-items:center;gap:8px;font-size:0.8rem;color:var(--gray-600)}.key-size-select{padding:10px 14px;border:1px solid var(--gray-200);border-radius:40px;background:white;cursor:pointer}.gen-key-btn{background:var(--gray-100);border:1px solid var(--gray-200);padding:10px 18px;border-radius:40px;cursor:pointer;transition:all 0.2s;display:inline-flex;align-items:center;gap:6px;font-size:0.8rem}.gen-key-btn:hover{background:#10b981;color:white;border-color:#10b981}.key-strength{display:flex;align-items:center;gap:12px}.strength-bar{flex:1;height:6px;background:var(--gray-200);border-radius:3px;overflow:hidden}.strength-fill{height:100%;background:linear-gradient(90deg, #10b981, #059669);border-radius:3px;width:0%;transition:width 0.3s}.strength-text{font-size:0.7rem;font-weight:500}.strength-text.weak{color:#ef4444}.strength-text.medium{color:#f59e0b}.strength-text.strong{color:#10b981}.crypto-panel{background:var(--gray-50);border-radius:24px;overflow:hidden;margin-bottom:24px}.panel-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;background:white;border-bottom:1px solid var(--gray-200);flex-wrap:wrap;gap:12px}.panel-title{display:flex;align-items:center;gap:12px;font-weight:600;color:var(--gray-700)}.panel-title i{color:#10b981}.char-badge{background:var(--gray-100);padding:2px 10px;border-radius:30px;font-size:0.7rem;font-weight:normal;color:var(--gray-500)}.panel-actions{display:flex;gap:8px}.action-btn-sm{background:transparent;border:none;padding:6px 14px;border-radius:30px;cursor:pointer;transition:all 0.2s;font-size:0.75rem;color:var(--gray-600)}.action-btn-sm:hover{background:var(--gray-100);color:#10b981}.crypto-textarea{width:100%;min-height:200px;padding:20px;border:none;font-family:'Fira Code',monospace;font-size:0.9rem;line-height:1.6;resize:vertical;background:#1a1a2e;color:#e0e0e0}.crypto-textarea:focus{outline:none}.crypto-btn{width:calc(60%);margin:20px;padding:14px;font-size:1rem}.result-section{margin-top:24px;background:white;border-radius:24px;overflow:hidden;animation:fadeIn 0.3s ease;border:1px solid var(--gray-200)}.result-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)}.result-title{display:flex;align-items:center;gap:8px;font-weight:600}.result-title i{color:#10b981}.result-content{padding:24px;font-family:'Fira Code',monospace;font-size:0.9rem;line-height:1.6;word-break:break-all;background:#1a1a2e;color:#e0e0e0;max-height:300px;overflow-y:auto}.info-section{margin-top:20px}.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)}.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){.key-input-group{flex-direction:column}.key-options{flex-direction:column;align-items:stretch}.info-grid{grid-template-columns:repeat(2, 1fr)}.mode-tab{min-width:auto;padding:10px 20px}}@media (max-width:480px){.core-stats{gap:12px}.core-stat{padding:12px 20px}.info-grid{grid-template-columns:1fr}.panel-header{flex-direction:column;align-items:flex-start}}