.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, #059669, #047857);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, #059669);-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:#059669;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)}.crypto-tabs{display:flex;gap:16px;margin-bottom:32px;justify-content:center}.crypto-tab{background:transparent;border:none;padding:14px 28px;cursor:pointer;transition:all 0.3s;border-radius:20px;text-align:center;min-width:150px}.crypto-tab i{font-size:1.3rem;color:var(--gray-400);margin-bottom:8px;display:block}.crypto-tab span{display:block;font-weight:600;color:var(--gray-600);margin-bottom:4px}.crypto-tab small{font-size:0.65rem;color:var(--gray-400)}.crypto-tab.active{background:linear-gradient(135deg, #059669, #047857);box-shadow:0 8px 25px rgba(5,150,105,0.3)}.crypto-tab.active i,.crypto-tab.active span,.crypto-tab.active small{color:white}.input-card,.output-card,.file-upload-card,.batch-card{background:white;border-radius:24px;overflow:hidden;border:1px solid var(--gray-200);margin-bottom:24px}.card-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);flex-wrap:wrap;gap:12px}.card-title{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--gray-700)}.card-title i{color:#059669}.char-count,.hash-length,.batch-count{font-size:0.7rem;font-weight:normal;color:var(--gray-400);background:var(--gray-100);padding:2px 8px;border-radius:20px}.card-actions{display:flex;gap:8px}.icon-btn-sm{background:transparent;border:none;padding:6px 12px;border-radius:30px;cursor:pointer;transition:all 0.2s;color:var(--gray-600)}.icon-btn-sm:hover{background:var(--gray-100);color:#059669}.crypto-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}.crypto-textarea:focus{outline:none}.encrypt-btn,.calc-file-btn,.batch-encrypt-btn{background:linear-gradient(135deg, #059669, #047857);width:100%;padding:14px;font-size:1rem;border-radius:0}.hash-result{font-family:'Fira Code',monospace;font-size:0.85rem;padding:20px;background:#1a1a2e;color:#10b981;word-break:break-all;min-height:80px;letter-spacing:0.5px}.hash-info{padding:12px 20px;background:var(--gray-50);border-top:1px solid var(--gray-200);font-size:0.75rem;color:var(--gray-500);display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px}.upload-zone{border:2px dashed var(--gray-300);border-radius:16px;padding:40px;text-align:center;cursor:pointer;margin:20px;transition:all 0.3s}.upload-zone:hover{border-color:#059669;background:var(--gray-50)}.upload-zone i{font-size:48px;color:var(--gray-400);margin-bottom:12px}.upload-hint{font-size:0.7rem;color:var(--gray-400);display:block;margin-top:8px}.file-info{padding:16px 20px;background:var(--gray-50);margin:0 20px 20px;border-radius:16px}.info-row{display:flex;align-items:center;gap:8px;margin-bottom:8px;font-size:0.8rem}.info-row i{width:20px;color:#059669}.progress-bar{margin:0 20px 20px;height:6px;background:var(--gray-200);border-radius:3px;overflow:hidden}.progress-fill{height:100%;background:#059669;width:0%;transition:width 0.3s}.file-result{margin:0 20px 20px;padding:16px;background:var(--gray-50);border-radius:16px}.file-hash{font-family:'Fira Code',monospace;font-size:0.8rem;word-break:break-all;margin-top:8px;color:#059669}.batch-items{max-height:300px;overflow-y:auto;padding:16px}.batch-item{background:var(--gray-50);border-radius:16px;padding:12px;margin-bottom:12px;display:flex;gap:12px;transition:all 0.2s}.batch-item:hover{background:var(--gray-100)}.batch-item-index{width:32px;height:32px;background:#059669;color:white;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;flex-shrink:0}.batch-item-input{flex:1;padding:8px 12px;border:1px solid var(--gray-200);border-radius:12px;font-size:0.85rem;resize:vertical}.batch-item-actions{display:flex;gap:8px}.batch-item-actions button{background:transparent;border:none;padding:6px 10px;cursor:pointer;color:var(--gray-500);border-radius:8px}.batch-item-actions button:hover{background:var(--gray-200);color:#059669}.batch-result-list{padding:16px;max-height:300px;overflow-y:auto}.batch-result-item{background:var(--gray-50);border-radius:12px;padding:10px 12px;margin-bottom:8px;font-size:0.75rem}.batch-result-hash{font-family:monospace;color:#059669;word-break:break-all;margin-top:4px}.compare-card{background:var(--gray-50);border-radius:20px;overflow:hidden;margin-top:24px}.compare-header{display:flex;align-items:center;gap:10px;padding:14px 20px;background:white;cursor:pointer;font-weight:600;border-bottom:1px solid var(--gray-200)}.compare-header i:first-child{color:#059669}.toggle-btn{margin-left:auto;background:transparent;border:none;cursor:pointer;color:var(--gray-500)}.compare-panel{padding:20px}.compare-input{display:flex;gap:16px;align-items:center;margin-bottom:16px;flex-wrap:wrap}.compare-field{flex:1;padding:12px 16px;border:1px solid var(--gray-300);border-radius:12px;font-family:monospace;font-size:0.8rem}.compare-vs{font-weight:700;color:#059669}.compare-btn{width:100%;margin-top:8px}.compare-result{margin-top:16px;padding:12px;border-radius:12px;text-align:center}.compare-result.match{background:#d1fae5;color:#065f46}.compare-result.not-match{background:#fee2e2;color:#991b1b}.info-section{margin-top:24px}.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}@media (max-width:900px){.info-grid{grid-template-columns:repeat(2, 1fr)}.crypto-tab{min-width:auto;padding:10px 16px}}@media (max-width:768px){.core-stats{gap:12px}.core-stat{padding:12px 20px}.info-grid{grid-template-columns:1fr}.compare-input{flex-direction:column}}