.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, #8b5cf6, #6d28d9);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, #8b5cf6);-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, #ede9fe, #f5f3ff);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#8b5cf6;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)}.xor-tabs{display:flex;gap:16px;margin-bottom:24px;justify-content:center}.xor-tab{background:transparent;border:none;padding:14px 28px;cursor:pointer;transition:all 0.3s;border-radius:20px;text-align:center;min-width:140px}.xor-tab i{font-size:1.3rem;color:var(--gray-400);margin-bottom:8px;display:block}.xor-tab span{display:block;font-weight:600;color:var(--gray-600);margin-bottom:4px}.xor-tab small{font-size:0.65rem;color:var(--gray-400)}.xor-tab.active{background:linear-gradient(135deg, #8b5cf6, #6d28d9);box-shadow:0 8px 25px rgba(139,92,246,0.3)}.xor-tab.active i,.xor-tab.active span,.xor-tab.active small{color:white}.xor-input-card,.xor-key-card,.xor-output-card{background:white;border-radius:24px;margin-bottom:20px;overflow:hidden;border:1px solid var(--gray-200);transition:all 0.3s}.xor-input-card:hover,.xor-key-card:hover,.xor-output-card:hover{box-shadow:0 8px 25px rgba(0,0,0,0.08)}.card-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;background:linear-gradient(135deg, #faf5ff, #fff);border-bottom:1px solid var(--gray-200)}.card-title{font-weight:600;color:var(--gray-700);display:flex;align-items:center;gap:8px}.card-title i{color:#8b5cf6}.card-actions{display:flex;gap:8px}.icon-btn-sm{background:transparent;border:none;padding:6px 10px;border-radius:30px;cursor:pointer;transition:all 0.2s;color:var(--gray-500);font-size:0.8rem}.icon-btn-sm:hover{background:var(--gray-100);color:#8b5cf6}.xor-textarea{width:100%;min-height:150px;padding:20px;border:none;font-family:'Fira Code',monospace;font-size:0.9rem;line-height:1.6;resize:vertical;background:#1a1a2e;color:#e0e0e0}.xor-textarea:focus{outline:none}.input-footer,.output-footer{padding:10px 20px;background:var(--gray-50);border-top:1px solid var(--gray-200);display:flex;justify-content:space-between;align-items:center;font-size:0.7rem;color:var(--gray-500)}.format-hint{background:#e0e7ff;color:#3730a3;padding:2px 10px;border-radius:20px}.key-input-wrapper{display:flex;align-items:center;gap:12px;padding:16px 20px}.key-input{flex:1;padding:12px 16px;border:1px solid var(--gray-200);border-radius:60px;font-family:monospace;font-size:1rem;background:white;transition:all 0.3s}.key-input:focus{outline:none;border-color:#8b5cf6;box-shadow:0 0 0 3px rgba(139,92,246,0.1)}.key-visibility{background:transparent;border:none;padding:8px 12px;border-radius:50%;cursor:pointer;color:var(--gray-500);transition:all 0.2s}.key-visibility:hover{background:var(--gray-100);color:#8b5cf6}.key-footer{padding:12px 20px;border-top:1px solid var(--gray-200);display:flex;justify-content:space-between;align-items:center}.key-strength{font-size:0.7rem;color:var(--gray-500)}.key-strength i{margin-right:4px}.xor-actions{display:flex;justify-content:center;gap:16px;margin:24px 0;flex-wrap:wrap}.action-btn{padding:12px 28px;font-size:1rem;border-radius:60px;position:relative;overflow:hidden}.action-shortcut{font-size:0.65rem;margin-left:8px;opacity:0.7}.btn-outline{background:transparent;border:1px solid var(--gray-300);color:var(--gray-600)}.btn-outline:hover{background:var(--gray-100);border-color:#8b5cf6;color:#8b5cf6}.xor-output{min-height:150px;max-height:300px;overflow-y:auto;padding:20px;font-family:'Fira Code',monospace;font-size:0.9rem;line-height:1.6;background:#1a1a2e;color:#e0e0e0;white-space:pre-wrap;word-break:break-all}.copy-footer-btn{background:transparent;border:none;color:#8b5cf6;cursor:pointer;font-size:0.7rem}.copy-footer-btn:hover{text-decoration:underline}.xor-info{margin-top:24px;background:var(--gray-50);border-radius:20px;overflow:hidden}.info-header{display:flex;align-items:center;gap:10px;padding:16px 20px;cursor:pointer;font-weight:500;color:var(--gray-700)}.info-header .toggle-info{margin-left:auto;background:transparent;border:none;cursor:pointer;color:var(--gray-500);transition:transform 0.3s}.info-header .toggle-info.rotated i{transform:rotate(180deg)}.info-content{padding:0 20px 20px;border-top:1px solid var(--gray-200);display:none}.info-content.show{display:block}.info-grid{display:grid;grid-template-columns:repeat(2, 1fr);gap:16px}.info-item{display:flex;align-items:center;gap:10px;font-size:0.8rem;color:var(--gray-600);padding:8px;background:white;border-radius:12px}.info-item i{color:#8b5cf6}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (max-width:768px){.xor-tab{padding:10px 16px;min-width:100px}.core-stats{gap:12px}.core-stat{padding:12px 20px}.action-shortcut{display:none}.info-grid{grid-template-columns:1fr}}@media (max-width:480px){.xor-tabs{gap:8px}.xor-tab{padding:8px 12px;min-width:auto}.xor-tab i{font-size:1rem}.xor-tab span{font-size:0.7rem}.xor-tab small{display:none}}