.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, #ea580c, #c2410c);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, #ea580c);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px}.tool-header p{color:var(--gray-500);font-size:1rem}.stats-cards{display:flex;justify-content:center;gap:24px;margin-bottom:32px;flex-wrap:wrap}.stat-card{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)}.stat-icon{width:48px;height:48px;background:linear-gradient(135deg, #ffedd5, #fed7aa);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#ea580c;font-size:1.3rem}.stat-info{text-align:left}.stat-value{display:block;font-size:1.5rem;font-weight:700;color:var(--gray-800)}.stat-label{font-size:0.7rem;color:var(--gray-500)}.shift-control{background:linear-gradient(135deg, #f8fafc, #fff);border-radius:24px;padding:20px;margin-bottom:24px;border:1px solid var(--gray-200)}.shift-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.shift-header span{font-weight:600;color:var(--gray-700)}.shift-hint{font-size:0.7rem;color:var(--gray-400)}.shift-slider{display:flex;align-items:center;gap:16px}.shift-slider input{flex:1;height:4px;-webkit-appearance:none;background:var(--gray-200);border-radius:2px;outline:none}.shift-slider input::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;background:#ea580c;border-radius:50%;cursor:pointer;box-shadow:0 2px 6px rgba(0,0,0,0.2)}.shift-value{width:36px;height:36px;background:#ffedd5;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;color:#ea580c;cursor:pointer;transition:all 0.2s}.shift-value:hover{background:#fed7aa;transform:scale(1.05)}.shift-buttons{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.shift-preset{background:var(--gray-100);border:1px solid var(--gray-200);padding:6px 16px;border-radius:30px;font-size:0.75rem;cursor:pointer;transition:all 0.2s}.shift-preset:hover{background:#ea580c;border-color:#ea580c;color:white}.cipher-editors{display:grid;grid-template-columns:1fr auto 1fr;gap:24px;margin-bottom:24px}.editor-card{background:white;border-radius:20px;overflow:hidden;border:1px solid var(--gray-200);transition:all 0.3s}.editor-card:hover{box-shadow:0 8px 25px rgba(0,0,0,0.08)}.editor-header{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;background:linear-gradient(135deg, #f8fafc, #fff);border-bottom:1px solid var(--gray-200)}.editor-title{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--gray-700)}.char-badge{background:#ffedd5;color:#ea580c;padding:2px 10px;border-radius:20px;font-size:0.65rem}.editor-actions{display:flex;gap:8px}.action-icon{background:transparent;border:none;padding:6px 8px;border-radius:30px;cursor:pointer;transition:all 0.2s;color:var(--gray-500)}.action-icon:hover{background:var(--gray-100);color:#ea580c}.cipher-textarea{width:100%;min-height:280px;padding:18px;font-family:'Fira Code',monospace;font-size:0.9rem;line-height:1.6;border:none;resize:vertical;background:#1a1a2e;color:#e0e0e0}.cipher-textarea:focus{outline:none}.cipher-textarea[readonly]{background:#1a1a2e}.editor-footer{padding:8px 16px;background:var(--gray-50);border-top:1px solid var(--gray-200);font-size:0.7rem;color:var(--gray-500)}.cipher-arrow{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;font-size:1.5rem;font-weight:600;color:#ea580c}.action-bar{display:flex;justify-content:center;gap:16px;margin-bottom:24px;flex-wrap:wrap}.encrypt-btn{background:linear-gradient(135deg, #ea580c, #c2410c);padding:12px 32px;border-radius:50px}.btn-outline{background:transparent;border:1px solid var(--gray-300);padding:10px 24px;border-radius:50px;cursor:pointer;transition:all 0.2s}.btn-outline:hover{background:var(--gray-100);border-color:#ea580c;color:#ea580c}.brute-force{background:var(--gray-50);border-radius:20px;overflow:hidden;margin-bottom:24px}.brute-header{display:flex;align-items:center;gap:10px;padding:14px 18px;background:linear-gradient(135deg, #f8fafc, #fff);cursor:pointer;font-weight:600}.toggle-btn{margin-left:auto;background:transparent;border:none;cursor:pointer;color:var(--gray-500)}.brute-content{padding:16px;border-top:1px solid var(--gray-200)}.brute-info{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;margin-bottom:16px}.brute-info p{color:var(--gray-600);font-size:0.8rem}.brute-btn{background:#ea580c;border:none;padding:8px 20px;border-radius:30px;color:white;cursor:pointer;transition:all 0.2s}.brute-btn:hover{background:#c2410c;transform:scale(1.02)}.brute-result{max-height:300px;overflow-y:auto}.brute-item{background:white;border-radius:12px;padding:10px 14px;margin-bottom:8px;border:1px solid var(--gray-200);font-family:monospace;font-size:0.8rem;display:flex;justify-content:space-between;align-items:center}.brute-item:hover{border-color:#ea580c}.brute-shift{background:#ffedd5;padding:2px 10px;border-radius:20px;font-weight:600;color:#ea580c}.history-section{background:white;border-radius:20px;overflow:hidden;border:1px solid var(--gray-200);margin-bottom:24px}.history-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)}.clear-btn{background:transparent;border:none;color:var(--gray-500);cursor:pointer;font-size:0.7rem}.clear-btn:hover{color:#dc2626}.history-list{max-height:150px;overflow-y:auto;padding:12px}.history-item{padding:8px 12px;border-bottom:1px solid var(--gray-100);display:flex;justify-content:space-between;align-items:center;font-size:0.75rem;cursor:pointer;transition:all 0.2s}.history-item:hover{background:#ffedd5}.history-text{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.history-time{color:var(--gray-400);font-size:0.65rem}.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)}.knowledge-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:16px}.knowledge-card{background:var(--gray-50);border-radius:16px;padding:16px;text-align:center}.knowledge-card i{font-size:1.5rem;color:#ea580c;margin-bottom:10px}.knowledge-card h4{font-size:0.85rem;margin-bottom:6px}.knowledge-card p{font-size:0.7rem;color:var(--gray-500)}@media (max-width:900px){.cipher-editors{grid-template-columns:1fr}.cipher-arrow{transform:rotate(90deg);margin:12px 0}.knowledge-grid{grid-template-columns:repeat(2, 1fr)}}@media (max-width:480px){.stats-cards{gap:12px}.stat-card{padding:12px 20px}.stat-value{font-size:1.2rem}.knowledge-grid{grid-template-columns:1fr}.brute-info{flex-direction:column;align-items:flex-start}}