*,*:before,*:after{box-sizing:border-box}:root{--color-primary: #2563eb;--color-primary-dark: #1d4ed8;--color-primary-light: #dbeafe;--color-success: #059669;--color-success-light: #d1fae5;--color-error: #dc2626;--color-error-light: #fee2e2;--color-gray-50: #f9fafb;--color-gray-100: #f3f4f6;--color-gray-200: #e5e7eb;--color-gray-300: #d1d5db;--color-gray-400: #9ca3af;--color-gray-500: #6b7280;--color-gray-600: #4b5563;--color-gray-700: #374151;--color-gray-800: #1f2937;--color-gray-900: #111827;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1)}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;font-size:16px;line-height:1.5;color:var(--color-gray-800);background-color:var(--color-gray-50)}.layout{min-height:100vh;display:flex;flex-direction:column}.header{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-dark) 100%);color:#fff;padding:2rem;text-align:center}.header-content{max-width:800px;margin:0 auto}.header-title{margin:0 0 .5rem;font-size:2rem;font-weight:700}.header-subtitle{margin:0;opacity:.9;font-size:1.125rem}.main{flex:1;padding:2rem}.container{max-width:800px;margin:0 auto}.footer{text-align:center;padding:1rem;color:var(--color-gray-500);font-size:.875rem;border-top:1px solid var(--color-gray-200)}.card{background:#fff;border-radius:var(--radius-lg);padding:1.5rem;margin-bottom:1.5rem;box-shadow:var(--shadow-md);transition:opacity .2s,transform .2s}.card.disabled{opacity:.6}.card.error{border-left:4px solid var(--color-error)}.card-title{margin:0 0 1rem;font-size:1.25rem;font-weight:600;display:flex;align-items:center;gap:.75rem}.step-number{display:inline-flex;align-items:center;justify-content:center;width:2rem;height:2rem;background-color:var(--color-primary);color:#fff;border-radius:50%;font-size:.875rem;font-weight:600}.select,.input{width:100%;padding:.75rem 1rem;font-size:1rem;border:1px solid var(--color-gray-300);border-radius:var(--radius-md);background-color:#fff;color:var(--color-gray-800);transition:border-color .2s,box-shadow .2s}.select:focus,.input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light)}.select:disabled,.input:disabled{background-color:var(--color-gray-100);cursor:not-allowed}.search-input-wrapper{position:relative;margin-bottom:.75rem}.input-spinner{position:absolute;right:1rem;top:50%;transform:translateY(-50%);width:1rem;height:1rem;border:2px solid var(--color-gray-200);border-top-color:var(--color-primary);border-radius:50%;animation:spin .6s linear infinite}.button{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;font-size:1rem;font-weight:500;border-radius:var(--radius-md);cursor:pointer;transition:all .2s;border:none}.button.primary{background-color:var(--color-primary);color:#fff}.button.primary:hover:not(:disabled){background-color:var(--color-primary-dark)}.button.primary:disabled{background-color:var(--color-gray-300);cursor:not-allowed}.button.secondary{background-color:var(--color-gray-100);color:var(--color-gray-700);border:1px solid var(--color-gray-300)}.button.secondary:hover{background-color:var(--color-gray-200)}.button-group{display:flex;gap:.75rem;margin-top:1rem}.drop-zone{border:2px dashed var(--color-gray-300);border-radius:var(--radius-md);padding:2rem;text-align:center;cursor:pointer;transition:all .2s;background-color:var(--color-gray-50)}.drop-zone:hover,.drop-zone.drag-over{border-color:var(--color-primary);background-color:var(--color-primary-light)}.drop-zone.has-file{border-style:solid;background-color:#fff}.drop-zone-content{color:var(--color-gray-500)}.drop-icon{font-size:2rem;display:block;margin-bottom:.5rem}.file-input{display:none}.file-info{display:flex;align-items:center;gap:1rem;text-align:left}.file-icon{font-size:2rem}.file-details{flex:1}.file-name{display:block;font-weight:500;word-break:break-all}.file-size{font-size:.875rem;color:var(--color-gray-500)}.remove-file{background:none;border:none;font-size:1.5rem;color:var(--color-gray-400);cursor:pointer;padding:.25rem;line-height:1}.remove-file:hover{color:var(--color-error)}.upload-status{margin-top:1rem;padding:1rem;border-radius:var(--radius-md);background-color:var(--color-gray-50)}.upload-status.done{background-color:var(--color-success-light)}.upload-status.error{background-color:var(--color-error-light)}.progress-bar{height:.5rem;background-color:var(--color-gray-200);border-radius:9999px;overflow:hidden;margin-bottom:.5rem}.progress-fill{height:100%;background-color:var(--color-primary);transition:width .3s ease}.status-label{margin:0;font-weight:500}.error-message{color:var(--color-error);font-size:.875rem;margin:.5rem 0 0}.success-message{color:var(--color-success);font-size:.875rem;margin:.5rem 0 0}.success-message code{background-color:#0000001a;padding:.125rem .375rem;border-radius:var(--radius-sm);font-family:monospace}.muted{color:var(--color-gray-500);margin:0}.item-count{margin:.5rem 0 0;font-size:.875rem;color:var(--color-gray-500)}.loading{display:flex;align-items:center;gap:.75rem;color:var(--color-gray-500)}.spinner{width:1.25rem;height:1.25rem;border:2px solid var(--color-gray-200);border-top-color:var(--color-primary);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 640px){.header{padding:1.5rem}.header-title{font-size:1.5rem}.main,.card{padding:1rem}.button-group{flex-direction:column}}