:root{--primary-color: #0078d4;--primary-hover: #106ebe;--secondary-color: #6c757d;--success-color: #28a745;--danger-color: #dc3545;--warning-color: #ffc107;--info-color: #17a2b8;--bg-primary: #ffffff;--bg-secondary: #f8f9fa;--bg-hover: #f1f3f5;--text-primary: #212529;--text-secondary: #6c757d;--border-color: #dee2e6;--shadow-sm: 0 1px 2px rgba(0,0,0,.05);--shadow-md: 0 4px 6px rgba(0,0,0,.1);--shadow-lg: 0 10px 15px rgba(0,0,0,.1);--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--text-primary);background-color:var(--bg-secondary);line-height:1.6}.container{max-width:1600px;margin:0 auto;padding:0 24px}.navbar{background-color:var(--bg-primary);border-bottom:1px solid var(--border-color);box-shadow:var(--shadow-sm);padding:.75rem 1.5rem;display:flex;justify-content:space-between;align-items:center}.navbar-brand{display:flex;align-items:center;gap:.75rem}.navbar-brand img{height:32px;width:auto}.navbar-title{font-size:1.25rem;font-weight:600;color:var(--primary-color)}.navbar-actions{display:flex;align-items:center;gap:1rem}.main-content{padding:2rem 0;min-height:calc(100vh - 80px)}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.page-header h2{font-size:1.75rem;font-weight:600}.btn{display:inline-block;padding:.5rem 1.25rem;font-size:.95rem;font-weight:500;text-align:center;text-decoration:none;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all .2s}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-secondary{background-color:var(--secondary-color);color:#fff}.btn-secondary:hover{background-color:#5a6268}.btn-outline{background:transparent;color:var(--secondary-color);border:1px solid var(--border-color)}.btn-outline:hover{background:var(--bg-hover)}.btn-sm{padding:.25rem .75rem;font-size:.85rem}.btn:disabled{opacity:.6;cursor:not-allowed}.details-card{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-sm);margin-bottom:1.5rem}.details-card h3{margin-bottom:1rem;font-size:1.125rem}.card-titre{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.card-titre h3{margin-bottom:0}.info-grid{display:grid;gap:1rem}.info-grid-2{grid-template-columns:repeat(2,1fr)}.info-item{display:flex;justify-content:space-between;padding:.75rem;background:var(--bg-secondary);border-radius:var(--radius-sm)}.info-label{font-weight:500;color:var(--text-secondary)}.info-value{color:var(--text-primary)}.loading{text-align:center;padding:2rem;color:var(--text-secondary)}.loading-screen{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;background-color:var(--bg-secondary);padding:2rem}.loading-screen img{height:64px;width:auto}.loading-text{margin-top:1rem;color:var(--text-secondary);font-size:.9rem}.spinner{margin-top:1.5rem;width:32px;height:32px;border:3px solid var(--border-color);border-top-color:var(--primary-color);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.25rem}.projet-card{display:flex;flex-direction:column;gap:.35rem;text-align:left;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:1.25rem;box-shadow:var(--shadow-sm);cursor:pointer;transition:all .2s}.projet-card:hover{box-shadow:var(--shadow-md);border-color:var(--primary-color);transform:translateY(-2px)}.projet-card-acronyme{font-size:.75rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--primary-color)}.projet-card-nom{font-size:1.1rem;font-weight:600;color:var(--text-primary)}.projet-card-meta{font-size:.85rem;color:var(--text-secondary)}.empty-state{background:var(--bg-primary);border:1px dashed var(--border-color);border-radius:var(--radius-lg);padding:3rem 1.5rem;text-align:center;color:var(--text-secondary)}.empty-state-hint{font-size:.9rem;margin-top:.5rem}.section-actions{margin-bottom:1.5rem}.table-scroll{overflow-x:auto}.cost-table{width:100%;border-collapse:collapse;font-size:.875rem}.cost-table th,.cost-table td{border:1px solid var(--border-color);padding:.45rem .6rem;text-align:left;vertical-align:middle}.cost-table thead th{background:var(--bg-secondary);font-weight:600;color:var(--text-secondary);font-size:.78rem}.cost-table .num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}.cost-table .cell-major{font-weight:700}.row-node{background:var(--bg-secondary)}.row-ligne{background:var(--bg-primary)}.row-ligne td{color:var(--text-secondary)}.cell-actions{white-space:nowrap;text-align:right}.cell-actions .btn{margin-left:.35rem}.tag{display:inline-block;margin-left:.5rem;padding:.1rem .45rem;font-size:.7rem;border-radius:999px;vertical-align:middle}.tag-saisie{background:var(--bg-hover);color:var(--text-secondary)}.tag-facture{background:#0078d41f;color:var(--primary-color)}.cost-table tfoot td{border:1px solid var(--border-color);padding:.55rem .6rem;font-weight:600}.sum-row td:first-child{text-align:left}.sum-acompte td{color:var(--danger-color);font-style:italic;font-weight:500}.sum-final td{background:var(--bg-secondary);font-size:1rem}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:flex-start;justify-content:center;padding:2rem 1rem;overflow-y:auto;z-index:1000}.modal{background:var(--bg-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;max-width:560px;margin:auto}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;border-bottom:1px solid var(--border-color)}.modal-header h3{font-size:1.25rem;font-weight:600}.modal-close{background:none;border:none;font-size:1.5rem;line-height:1;color:var(--text-secondary);cursor:pointer;padding:0 .25rem}.modal-close:hover{color:var(--text-primary)}.modal-body{padding:1.5rem;display:flex;flex-direction:column;gap:1rem}.modal-footer{display:flex;justify-content:flex-end;gap:.75rem;padding:1rem 1.5rem;border-top:1px solid var(--border-color)}.apercu-eur{padding:.75rem;background:var(--bg-secondary);border-radius:var(--radius-sm);font-size:.9rem;color:var(--text-secondary)}.apercu-eur strong{color:var(--text-primary);font-variant-numeric:tabular-nums}.form-row{display:flex;gap:1rem}.form-group{flex:1;display:flex;flex-direction:column;gap:.35rem}.form-group label{font-size:.85rem;font-weight:500;color:var(--text-secondary)}.form-group input,.form-group select{padding:.5rem .75rem;font-size:.95rem;border:1px solid var(--border-color);border-radius:var(--radius-md);background:var(--bg-primary);color:var(--text-primary)}.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 2px #0078d426}@media(max-width:768px){.page-header{flex-direction:column;align-items:flex-start;gap:1rem}.form-row{flex-direction:column}.info-grid-2{grid-template-columns:1fr}}