.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);transition:all 0.3s}.core-stat:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(0,0,0,0.1)}.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)}.encrypt-tabs{display:flex;gap:16px;margin-bottom:28px;justify-content:center}.encrypt-tab{background:transparent;border:none;padding:14px 28px;cursor:pointer;transition:all 0.3s;border-radius:60px;text-align:center;min-width:160px}.encrypt-tab i{font-size:1.3rem;color:var(--gray-400);margin-bottom:8px;display:block}.encrypt-tab span{display:block;font-weight:600;color:var(--gray-600);margin-bottom:4px}.encrypt-tab small{font-size:0.65rem;color:var(--gray-400)}.encrypt-tab.active{background:linear-gradient(135deg, #10b981, #059669);box-shadow:0 8px 25px rgba(16,185,129,0.3)}.encrypt-tab.active i,.encrypt-tab.active span,.encrypt-tab.active small{color:white}.key-config{background:linear-gradient(135deg, #f8fafc, #fff);border-radius:24px;padding:24px;margin-bottom:28px;border:1px solid var(--gray-200)}.config-header{display:flex;align-items:center;gap:10px;margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--gray-200);font-weight:600;color:var(--gray-700)}.config-header i{color:#10b981}.config-grid{display:grid;grid-template-columns:repeat(2, 1fr);gap:20px}.config-item{display:flex;flex-direction:column;gap:8px}.config-item.full-width{grid-column:span 2}.config-item label{font-size:0.75rem;font-weight:600;color:var(--gray-600);display:flex;align-items:center;gap:6px}.input-with-action{display:flex;gap:8px;align-items:center}.key-input{flex:1;padding:10px 14px;border:1px solid var(--gray-200);border-radius:12px;font-family:'Fira Code',monospace;font-size:0.85rem;transition:all 0.3s}.key-input:focus{outline:none;border-color:#10b981;box-shadow:0 0 0 3px rgba(16,185,129,0.1)}.action-btn-sm{background:var(--gray-100);border:1px solid var(--gray-200);padding:8px 14px;border-radius:12px;cursor:pointer;transition:all 0.2s;font-size:0.75rem;white-space:nowrap}.action-btn-sm:hover{background:#10b981;color:white;border-color:#10b981}.mode-select{padding:10px 14px;border:1px solid var(--gray-200);border-radius:12px;background:white;font-size:0.85rem;cursor:pointer}.input-hint{font-size:0.65rem;color:var(--gray-400)}.dual-editor{display:grid;grid-template-columns:1fr auto 1fr;gap:20px;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)}.editor-title i{color:#10b981}.char-count{font-size:0.65rem;font-weight:normal;color:var(--gray-400);background:var(--gray-100);padding:2px 8px;border-radius:20px}.editor-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);font-size:0.8rem}.action-icon:hover{background:var(--gray-100);color:#10b981}.encrypt-textarea{width:100%;min-height:280px;padding:18px;border:none;font-family:'Fira Code',monospace;font-size:0.85rem;line-height:1.6;resize:vertical;background:#1a1a2e;color:#e0e0e0}.encrypt-textarea:focus{outline:none}.encrypt-textarea[readonly]{background:#2d2d44;cursor:default}.vs-icon{display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700;color:#10b981}.action-buttons{display:flex;justify-content:center;gap:16px;margin-bottom:28px;flex-wrap:wrap}.process-btn{background:linear-gradient(135deg, #10b981, #059669);padding:14px 36px;font-size:1rem;border-radius:50px}.btn-outline{background:transparent;border:1px solid var(--gray-300);padding:12px 28px;border-radius:50px;font-weight:500;cursor:pointer;transition:all 0.3s;display:inline-flex;align-items:center;gap:8px}.btn-outline:hover{background:var(--gray-100);border-color:#10b981;color:#10b981}.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:0.75rem;color:var(--gray-600)}.info-item i{color:#10b981}@media (max-width:900px){.dual-editor{grid-template-columns:1fr}.vs-icon{display:none}.config-grid{grid-template-columns:1fr}.config-item.full-width{grid-column:span 1}.info-grid{grid-template-columns:repeat(2, 1fr)}}@media (max-width:480px){.core-stats{gap:12px}.core-stat{padding:12px 20px}.encrypt-tab{padding:10px 16px;min-width:auto}.info-grid{grid-template-columns:1fr}.action-buttons{flex-direction:column;align-items:stretch}.input-with-action{flex-direction:column}.action-btn-sm{width:100%;text-align:center}}