:root{--primary-color:#0d6efd;--secondary-color:#6c757d;--success-color:#198754;--background-light:#f8f9fa}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--background-light);color:#212529;line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:0 15px}.btn-primary{background-color:var(--primary-color);border-color:var(--primary-color)}.card{border-radius:8px;box-shadow:0 2px 4px rgba(0,0,0,.1);padding:20px;margin-bottom:20px}.card,.table{background:#fff}.table{width:100%;border-collapse:collapse}.table td,.table th{padding:12px;text-align:left;border-bottom:1px solid #dee2e6}.table th{background-color:#f8f9fa;font-weight:600}.upload-area{border:2px dashed #dee2e6;border-radius:8px;padding:40px;text-align:center;cursor:pointer;transition:all .3s ease}.upload-area.drag-over,.upload-area:hover{border-color:var(--primary-color);background-color:rgba(13,110,253,.05)}.upload-area.has-error{border-color:#dc3545}.loading-spinner{display:inline-block;width:20px;height:20px;border:3px solid #f3f3f3;border-top:3px solid var(--primary-color);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.badge{display:inline-block;padding:4px 8px;border-radius:4px;font-size:12px;font-weight:600}.badge-success{background-color:var(--success-color);color:#fff}.badge-info{background-color:var(--primary-color);color:#fff}.badge-warning{background-color:#ffc107;color:#212529}.table td{max-width:250px}.text-truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;cursor:help}