:root{--primary-color: #3B82F6;--bg-color: #F8FAFC;--text-primary: #1E293B;--text-secondary: #64748B;--border-color: #E2E8F0}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-color);color:var(--text-primary);-webkit-font-smoothing:antialiased}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background-color:var(--bg-color)}.login-box{background:#fff;padding:2.5rem;border-radius:1rem;box-shadow:0 10px 15px -3px #0000001a;width:100%;max-width:400px}.login-header{text-align:center;margin-bottom:2rem}.login-header h2{margin:0 0 .5rem;font-size:1.5rem;color:var(--text-primary)}.login-header p{margin:0;color:var(--text-secondary);font-size:.95rem}.form-group{margin-bottom:1.25rem}.form-group label{display:block;margin-bottom:.5rem;font-size:.875rem;font-weight:500;color:var(--text-primary)}.form-group input{width:100%;padding:.75rem 1rem;border:1px solid var(--border-color);border-radius:.5rem;font-size:1rem;transition:border-color .2s;box-sizing:border-box}.form-group input:focus{outline:none;border-color:var(--primary-color)}.login-btn{width:100%;padding:.875rem;background-color:var(--primary-color);color:#fff;border:none;border-radius:.5rem;font-size:1rem;font-weight:500;cursor:pointer;transition:background-color .2s;margin-top:1rem}.login-btn:hover:not(:disabled){background-color:#2563eb}.login-btn:disabled{opacity:.7;cursor:not-allowed}.error-message{color:#dc2626;font-size:.875rem;margin-top:.5rem;text-align:center;background-color:#fef2f2;padding:.5rem;border-radius:.25rem}.admin-container{padding:2rem 3rem;max-width:1200px;margin:0 auto}.admin-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.admin-header h2{font-size:1.75rem;font-weight:600;color:var(--text-primary);margin:0}.logout-btn{background:#fff;border:1px solid var(--border-color);color:var(--text-secondary);padding:.5rem 1rem;border-radius:.5rem;font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s}.logout-btn:hover{background:#f1f5f9;color:var(--text-primary)}.admin-subtitle{color:var(--text-secondary);font-size:.95rem;margin:0}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem;margin-bottom:3rem}.stat-card{background:#fff;border:1px solid var(--border-color);border-radius:1rem;padding:1.25rem;box-shadow:0 4px 6px -1px #0000000d;display:flex;align-items:flex-start;gap:1rem}.stat-icon-wrapper{width:48px;height:48px;border-radius:.75rem;display:flex;align-items:center;justify-content:center;flex-shrink:0}.stat-icon-wrapper.blue{background-color:#e0f2fe;color:#0284c7}.stat-icon-wrapper.green{background-color:#dcfce7;color:#16a34a}.stat-icon-wrapper.purple{background-color:#f3e8ff;color:#9333ea}.stat-icon-wrapper.orange{background-color:#ffedd5;color:#ea580c}.stat-icon-wrapper.slate{background-color:#e2e8f0;color:#334155}.stat-icon-wrapper.rose{background-color:#ffe4e6;color:#e11d48}.stat-info h3{font-size:.875rem;color:var(--text-secondary);margin:0 0 .25rem;font-weight:500}.stat-value{font-size:1.5rem;font-weight:600;color:var(--text-primary);margin:0}.admin-section{background:#fff;border-radius:1rem;border:1px solid var(--border-color);padding:1.5rem;margin-bottom:2rem;box-shadow:0 4px 6px -1px #0000000d}.model-usage-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}.model-usage-card{border:1px solid var(--border-color);border-radius:.9rem;padding:1rem 1.1rem;background:#f8fafc}.model-usage-name{color:var(--text-secondary);font-size:.85rem;margin-bottom:.35rem;word-break:break-word}.model-usage-count{color:var(--text-primary);font-size:1.5rem;font-weight:700}.empty-model-usage{color:var(--text-secondary);font-size:.95rem}.section-header h3{margin:0 0 .5rem;font-size:1.15rem;color:var(--text-primary)}.section-header p{color:var(--text-secondary);font-size:.9rem;margin:0 0 1.5rem;line-height:1.5}.dropzone{border:2px dashed #CBD5E1;border-radius:1rem;padding:3rem 2rem;text-align:center;background-color:#f8fafc;cursor:pointer;transition:all .2s}.dropzone:hover{border-color:#94a3b8;background-color:#f1f5f9}.dropzone.active{border-color:var(--primary-color);background-color:#ecfeff}.dropzone.disabled{opacity:.6;cursor:not-allowed}.dropzone-content{display:flex;flex-direction:column;align-items:center;gap:.75rem}.dropzone-icon{color:#94a3b8;width:32px;height:32px}.dropzone.active .dropzone-icon{color:var(--primary-color)}.dropzone-content p{margin:0;color:var(--text-primary);font-size:1rem}.file-formats{font-size:.8rem;color:var(--text-secondary)}.upload-status-alert{margin-top:1rem;padding:1rem;border-radius:.5rem;display:flex;align-items:center;gap:.75rem;font-size:.9rem;font-weight:500}.upload-status-alert.uploading{background-color:#eff6ff;color:#1d4ed8;border:1px solid #BFDBFE}.upload-status-alert.success{background-color:#f0fdf4;color:#15803d;border:1px solid #BBF7D0}.upload-status-alert.error{background-color:#fef2f2;color:#b91c1c;border:1px solid #FECACA}.spin-icon{animation:spin 2s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.close-alert{background:none;border:none;color:inherit;margin-left:auto;cursor:pointer;padding:.25rem;opacity:.7}.close-alert:hover{opacity:1}.error-banner{background-color:#fef2f2;color:#b91c1c;border:1px solid #FECACA;margin-bottom:1.5rem;font-weight:500}.stat-card.clickable{cursor:pointer;transition:all .2s ease-in-out;position:relative;overflow:hidden}.stat-card.clickable:hover{transform:translateY(-2px);box-shadow:0 10px 15px -3px #0000001a;border-color:var(--primary-color)}.stat-card.active-card{border-color:var(--primary-color);box-shadow:0 0 0 2px #3b82f633;background-color:#f8fafc}.click-hint{display:block;font-size:.75rem;color:var(--primary-color);margin-top:.5rem;font-weight:500;opacity:0;transition:opacity .2s}.stat-card.clickable:hover .click-hint,.stat-card.active-card .click-hint{opacity:1}.data-table-section{animation:slideDown .3s ease-out}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.table-responsive{overflow-x:auto;border-radius:.5rem;border:1px solid var(--border-color);margin-top:1rem}.admin-table{width:100%;border-collapse:collapse;text-align:left;background:#fff;font-size:.95rem}.admin-table th{background-color:#f8fafc;padding:1rem;font-weight:600;color:var(--text-secondary);border-bottom:1px solid var(--border-color);white-space:nowrap}.admin-table td{padding:1rem;border-bottom:1px solid var(--border-color);color:var(--text-primary)}.admin-table tbody tr:last-child td{border-bottom:none}.admin-table tbody tr:hover{background-color:#f8fafc}.font-medium{font-weight:500}.text-secondary{color:var(--text-secondary)}.badge{display:inline-block;padding:.25rem .75rem;border-radius:9999px;font-size:.75rem;font-weight:600}.badge-purple{background-color:#f3e8ff;color:#9333ea}.badge-gray{background-color:#f1f5f9;color:#64748b}.badge-blue{background-color:#dbeafe;color:#1d4ed8}.badge-red{background-color:#fee2e2;color:#b91c1c}.badge-green{background-color:#dcfce7;color:#15803d}.empty-state-cell{text-align:center;padding:3rem!important;color:var(--text-secondary);font-style:italic}.table-icon-button{display:inline-flex;align-items:center;gap:.45rem;padding:.5rem .75rem;border-radius:.65rem;border:1px solid var(--border-color);background:#fff;color:var(--text-secondary);cursor:pointer;font-size:.82rem;font-weight:600;transition:all .2s ease}.table-icon-button:hover:not(:disabled){border-color:#cbd5e1;background:#f8fafc;color:var(--text-primary)}.table-icon-button:disabled{opacity:.6;cursor:not-allowed}.table-icon-button.danger{border-color:#fecaca;color:#b91c1c;background:#fef2f2}.table-icon-button.danger:hover:not(:disabled){background:#fee2e2;border-color:#fca5a5;color:#991b1b}