*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f5f5f7;color:#1d1d1f}#root{min-height:100vh;display:flex;flex-direction:column}.header{background:linear-gradient(135deg,#1d1d1f,#2d2d2f);color:#fff;padding:1rem 2rem;box-shadow:0 2px 8px #0000001a}.header-content{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.header h1{font-size:1.5rem;font-weight:600}.header-nav{display:flex;gap:2rem;align-items:center}.header-nav a{color:#fff;text-decoration:none;font-weight:500;transition:opacity .2s}.header-nav a:hover{opacity:.8}.header-user{display:flex;align-items:center;gap:1rem}.container{max-width:1200px;margin:0 auto;padding:2rem;flex:1}.card{background:#fff;border-radius:12px;padding:2rem;box-shadow:0 2px 8px #0000000d;margin-bottom:2rem}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.card-title{font-size:1.25rem;font-weight:600;color:#1d1d1f}.form-group{margin-bottom:1.5rem}.form-label{display:block;margin-bottom:.5rem;font-weight:500;color:#1d1d1f}.form-input,.form-select,.form-textarea{width:100%;padding:.75rem 1rem;border:1px solid #d2d2d7;border-radius:8px;font-size:1rem;transition:border-color .2s}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:#007aff}.form-textarea{min-height:100px;resize:vertical}.btn{padding:.75rem 1.5rem;border:none;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:.5rem}.btn-primary{background-color:#007aff;color:#fff}.btn-primary:hover{background-color:#0051d5}.btn-secondary{background-color:#f5f5f7;color:#1d1d1f}.btn-secondary:hover{background-color:#e8e8ed}.btn-danger{background-color:#ff3b30;color:#fff}.btn-danger:hover{background-color:#d70015}.btn:disabled{opacity:.5;cursor:not-allowed}.alert{padding:1rem;border-radius:8px;margin-bottom:1rem;display:flex;align-items:center;gap:.5rem}.alert-success{background-color:#d1f4d1;color:#0a5d0a;border:1px solid #34c759}.alert-warning{background-color:#fff3cd;color:#856404;border:1px solid #ff9500}.alert-error{background-color:#f8d7da;color:#721c24;border:1px solid #ff3b30}.alert-info{background-color:#d1ecf1;color:#0c5460;border:1px solid #5ac8fa}.filter-pills{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}.filter-pill{padding:.5rem 1rem;border-radius:20px;border:1px solid #d2d2d7;background-color:#fff;cursor:pointer;transition:all .2s;font-size:.875rem}.filter-pill:hover{border-color:#007aff}.filter-pill.active{background-color:#007aff;color:#fff;border-color:#007aff}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:.75rem;text-align:left;border-bottom:1px solid #e5e5ea}.table th{font-weight:600;color:#1d1d1f;background-color:#f5f5f7}.table tr:hover{background-color:#f5f5f7}.grid{display:grid;gap:1.5rem}.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.grid-4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.metric-card{background:#fff;border-radius:8px;padding:1.5rem;box-shadow:0 2px 4px #0000000d}.metric-value{font-size:2rem;font-weight:600;color:#007aff;margin-bottom:.5rem}.metric-label{font-size:.875rem;color:#86868b}.metric-secondary{font-size:.75rem;color:#86868b;margin-top:.25rem;font-weight:500}.spinner{display:inline-block;width:20px;height:20px;border:3px solid rgba(0,122,255,.3);border-radius:50%;border-top-color:#007aff;animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-container{display:flex;justify-content:center;align-items:center;min-height:200px}.file-upload{border:2px dashed #d2d2d7;border-radius:8px;padding:2rem;text-align:center;cursor:pointer;transition:all .2s}.file-upload:hover{border-color:#007aff;background-color:#f5f5f7}.file-upload.active{border-color:#007aff;background-color:#e3f2ff}.quality-badge{display:inline-block;padding:.25rem .75rem;border-radius:12px;font-size:.75rem;font-weight:600}.quality-high{background-color:#d1f4d1;color:#0a5d0a}.quality-medium{background-color:#fff3cd;color:#856404}.quality-low{background-color:#dc3545;color:#fff}.badge{display:inline-block;padding:.25rem .5rem;font-size:.75rem;font-weight:600;border-radius:.25rem;text-transform:uppercase}.badge-admin{background-color:#007aff;color:#fff}.badge-user{background-color:#6c757d;color:#fff}.btn-sm{padding:.25rem .5rem;font-size:.875rem}.btn-danger{background-color:#dc3545;color:#fff;border:none}.btn-danger:hover{background-color:#c82333}@media (max-width: 768px){.container{padding:1rem}.header-content{flex-direction:column;gap:1rem}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}