:root{--bg-primary:#fafafa;--bg-secondary:#fff;--bg-soft:#f6f8fb;--border-light:#e2e8f0;--border-medium:#cbd5e0;--text-primary:#2d3748;--text-secondary:#718096;--text-muted:#a0aec0;--accent-blue:#4299e1;--accent-blue-hover:#3182ce;--accent-blue-soft:#ebf8ff;--success-soft:#e8f7ef;--warning-soft:#fff7df;--danger-soft:#fff1f2;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.5rem;--shadow-sm:0 1px 3px 0 rgba(0,0,0,.1),0 1px 2px 0 rgba(0,0,0,.06);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -1px rgba(0,0,0,.06);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -2px rgba(0,0,0,.05)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);display:flex;flex-direction:column;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6;min-height:100vh}.navbar{backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);background-color:var(--bg-secondary)!important;border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-sm);padding:1rem 0;position:sticky;top:0;z-index:1000}.navbar-brand{color:var(--text-primary)!important;font-size:1.25rem;font-weight:600;transition:color .2s ease}.navbar-brand:hover{color:var(--accent-blue)!important}.nav-link{border-radius:8px;color:var(--text-secondary)!important;font-weight:500;margin:0 .5rem;padding:.5rem 1rem!important;position:relative;transition:all .2s ease}.nav-link:hover{background-color:#f7fafc}.nav-link.active,.nav-link:hover{color:var(--accent-blue)!important}.nav-link.active{background-color:var(--accent-blue-soft)}main{flex:1;margin-bottom:2rem;margin-top:2rem}.container{max-width:1180px}footer{background-color:var(--bg-secondary)!important;border-top:1px solid var(--border-light);color:var(--text-muted)!important;margin-top:auto}h1,h2,h3,h4,h5,h6{color:var(--text-primary);font-weight:600;line-height:1.3}p{color:var(--text-secondary);margin-bottom:1rem}.btn,.card,.nav-link,.thumbnail{transition:all .2s cubic-bezier(.4,0,.2,1)}.card,.thumbnail-wrapper{background-color:var(--bg-secondary);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden;transition:all .2s ease}.card:hover,.thumbnail-wrapper:hover{border-color:var(--border-medium);box-shadow:var(--shadow-md)}.card{padding:1.5rem}.thumbnail-wrapper{background-color:var(--bg-secondary);margin-top:1.5rem;padding:1.5rem}.thumbnail-wrapper h2{color:var(--text-primary);font-size:1.5rem;font-weight:600;margin-bottom:1.5rem;text-align:center}.thumbnail-container{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center}.thumbnail{background-color:var(--bg-secondary);border:1px solid var(--border-light);border-radius:8px;box-shadow:var(--shadow-sm);cursor:pointer;flex:0 1 150px;max-width:150px;overflow:hidden;transition:all .2s ease}.thumbnail:hover{border-color:var(--accent-blue);box-shadow:var(--shadow-md);transform:translateY(-2px)}.thumbnail img{display:block;height:auto;width:100%}.document-name{background-color:#f7fafc;border-top:1px solid var(--border-light);color:var(--text-secondary);font-size:.875rem;font-weight:500;padding:.75rem;text-align:center}.document-previews{display:flex;flex-wrap:wrap;gap:1rem}.document-preview img{border:1px solid var(--border-light);border-radius:6px;height:auto;max-width:100px}.drop-zone{background-color:#f7fafc;border:2px dashed var(--border-medium);border-radius:12px;color:var(--text-secondary);cursor:pointer;padding:2rem;text-align:center;transition:all .2s ease}.drop-zone.dragover,.drop-zone:hover{background-color:#ebf8ff;border-color:var(--accent-blue);color:var(--accent-blue)}.drop-zone.dragover{transform:scale(1.01)}.file-list{margin-top:1rem}.file-list ul{list-style:none;padding:0}.file-list li{background-color:#f7fafc;border:1px solid var(--border-light);border-radius:8px;color:var(--text-secondary);font-size:.875rem;margin-bottom:.5rem;padding:.75rem}.page-shell{display:grid;gap:var(--space-5)}.page-header{align-items:flex-start;display:flex;gap:var(--space-4);justify-content:space-between;margin-bottom:var(--space-5)}.page-title{font-size:clamp(1.55rem,2vw,2.15rem);letter-spacing:0;margin:0}.help-text,.page-subtitle,.text-muted{color:var(--text-secondary)!important}.action-bar{align-items:center;display:flex;flex-wrap:wrap;gap:var(--space-2);justify-content:flex-end}.ui-card{background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:var(--space-5)}.ui-card-header{align-items:center;display:flex;gap:var(--space-3);justify-content:space-between;margin-bottom:var(--space-4)}.empty-state{background:var(--bg-soft);border:1px dashed var(--border-medium);border-radius:var(--radius-lg);color:var(--text-secondary);padding:1.5rem;text-align:center}.detail-grid{display:grid;gap:var(--space-3);grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.detail-item{background:var(--bg-soft);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:var(--space-4)}.detail-label{color:var(--text-secondary);font-size:.78rem;font-weight:700;letter-spacing:.02em;margin-bottom:.35rem;text-transform:uppercase}.detail-value{color:var(--text-primary);font-weight:600;overflow-wrap:anywhere}.document-grid{display:grid;gap:var(--space-4);grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}.technical-collapse summary{color:var(--text-secondary);cursor:pointer;font-size:.88rem;font-weight:600}.table{--bs-table-color:var(--text-primary);--bs-table-border-color:var(--border-light)}.table thead th{background:var(--bg-soft);border-bottom:1px solid var(--border-light);color:var(--text-secondary);font-size:.78rem;font-weight:700;letter-spacing:.02em;text-transform:uppercase}.table td,.table th{padding:.85rem .9rem}.table-hover tbody tr:hover{background-color:#f8fbff}.table-responsive{background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.table-responsive>.table{margin-bottom:0}.btn{border-radius:var(--radius-md);font-weight:600}.btn-primary{background-color:var(--accent-blue);border-color:var(--accent-blue)}.btn-primary:hover{background-color:var(--accent-blue-hover);border-color:var(--accent-blue-hover)}.btn-outline-danger{border-color:#f3b8b3;color:#b42318}.badge{border-radius:999px;font-weight:650;padding:.4em .65em}.alert{border:1px solid transparent;border-radius:var(--radius-lg)}.alert-success{background:var(--success-soft);border-color:#b7e4c7;color:#1f6f43}.alert-warning{background:var(--warning-soft);border-color:#f3d58a;color:#7a5200}.alert-danger{background:var(--danger-soft);border-color:#fecdd3;color:#9f1239}.form-control,.form-select,input[type=email],input[type=number],input[type=password],input[type=text],select,textarea{border-color:var(--border-light);border-radius:var(--radius-md)}.form-control:focus,.form-select:focus,input:focus,select:focus,textarea:focus{border-color:var(--accent-blue);box-shadow:0 0 0 .2rem rgba(66,153,225,.18)}.tech-id,.technical-id{color:var(--text-muted);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:.78rem;white-space:nowrap}.status-muted{opacity:.65}@media (max-width:768px){.navbar{padding:.75rem 0}.nav-link{margin:.15rem 0}main{margin-top:1rem}.page-header,.ui-card-header{align-items:stretch;display:grid}.action-bar{justify-content:flex-start}.ui-card{padding:var(--space-4)}}