:root{--color-primary:#3b82f6;--color-primary-hover:#2563eb;--color-primary-light:#eff6ff;--color-success:#10b981;--color-success-light:#d1fae5;--color-warning:#f59e0b;--color-warning-light:#fef3c7;--color-danger:#ef4444;--color-danger-light:#fee2e2;--color-bg:#f8fafc;--color-surface:#fff;--color-surface-hover:#f1f5f9;--color-text:#0f172a;--color-text-muted:#64748b;--color-border:#e2e8f0;--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -2px #0000000d;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--radius-full:9999px;--transition-fast:.15s ease-in-out;--transition-normal:.25s ease-in-out}.costing-app{min-height:calc(100vh - 10rem)}@keyframes slideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.animate-pulse{animation:2s ease-in-out infinite pulse}h1,h2,h3,h4,h5,h6{color:var(--color-text);margin-bottom:.5rem;font-weight:600;line-height:1.25}h1{letter-spacing:-.025em;font-size:2rem}h2{letter-spacing:-.02em;font-size:1.5rem}h3{font-size:1.125rem}p{color:var(--color-text-muted);margin-bottom:1rem}.btn{font-family:var(--font-family);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;border:1px solid #0000;outline:none;justify-content:center;align-items:center;gap:.375rem;padding:.5rem 1rem;font-size:.875rem;font-weight:500;display:inline-flex}.btn:focus-visible{box-shadow:0 0 0 2px var(--color-primary-light), 0 0 0 4px var(--color-primary)}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-primary{background:linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);color:#fff;box-shadow:0 1px 3px #3b82f64d}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 12px #3b82f659}.btn-outline{border-color:var(--color-border);color:var(--color-text);background-color:#0000}.btn-outline:hover:not(:disabled){background-color:var(--color-surface-hover);border-color:#cbd5e1}.btn-danger:hover:not(:disabled){box-shadow:0 4px 12px #ef444459}.btn-icon{border-radius:var(--radius-md);border:1px solid var(--color-border);background-color:var(--color-surface);width:32px;height:32px;color:var(--color-text-muted);cursor:pointer;transition:all var(--transition-fast);justify-content:center;align-items:center;display:inline-flex}.btn-icon:hover:not(:disabled){background-color:var(--color-primary-light);color:var(--color-primary);border-color:var(--color-primary)}.btn-icon:disabled{opacity:.4;cursor:not-allowed}.card{background-color:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--color-border);transition:transform var(--transition-normal), box-shadow var(--transition-normal);padding:1.5rem}.card-hoverable:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}.glass-panel{-webkit-backdrop-filter:blur(12px);border-radius:var(--radius-lg);background:#ffffffd9;border:1px solid #fff6;box-shadow:0 4px 6px -1px #0000000d}.form-group{flex-direction:column;gap:.375rem;margin-bottom:1.25rem;display:flex}.form-label{color:var(--color-text);font-size:.8125rem;font-weight:500}.input-field{border:1px solid var(--color-border);border-radius:var(--radius-md);font-family:var(--font-family);color:var(--color-text);background-color:var(--color-surface);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);padding:.5625rem .75rem;font-size:.875rem}.input-field:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light);outline:none}.input-field::placeholder{color:#94a3b8}select.input-field{appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-position:right .75rem center;background-repeat:no-repeat;background-size:16px;padding-right:2.5rem}input[type=number].input-field{appearance:textfield}input[type=number].input-field::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}input[type=number].input-field::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.table-container{border-radius:var(--radius-lg);border:1px solid var(--color-border);background-color:var(--color-surface);width:100%;overflow-x:auto}.table{border-collapse:collapse;text-align:left;width:100%}.table th,.table td{border-bottom:1px solid var(--color-border);padding:.75rem 1rem;font-size:.875rem}.table th{color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em;background-color:#f8fafc;font-size:.6875rem;font-weight:600}.table tr:last-child td{border-bottom:none}.table tbody tr{transition:background-color var(--transition-fast)}.table tbody tr:hover{background-color:var(--color-surface-hover)}.badge{border-radius:var(--radius-full);white-space:nowrap;align-items:center;padding:.125rem .625rem;font-size:.75rem;font-weight:500;display:inline-flex}.badge-success{background-color:var(--color-success-light);color:#065f46}.badge-primary{background-color:var(--color-primary-light);color:#1e40af}.badge-warning{background-color:var(--color-warning-light);color:#92400e}.badge-danger{background-color:var(--color-danger-light);color:#991b1b}.layout{min-height:100vh;display:flex}.sidebar{background-color:var(--color-surface);border-right:1px solid var(--color-border);z-index:50;width:260px;height:100vh;transition:width var(--transition-normal), padding var(--transition-normal);flex-direction:column;flex-shrink:0;padding:1.5rem;display:flex;position:sticky;top:0;overflow:visible}.sidebar-nav{flex:1;margin:0 -1.5rem;padding:0 1.5rem;overflow-y:auto}.table tr.hover-row{transition:background-color .2s}.grid-table{border:1px solid var(--color-border);border-radius:var(--radius-md);background-color:var(--color-surface);width:100%}.grid-header{background-color:var(--color-surface);border-top:1px solid var(--color-border);border-bottom:2px solid var(--color-border);text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);z-index:50;grid-template-columns:32px 40px 48px 1.5fr 70px 100px 120px 120px 40px;gap:.5rem;padding:.75rem 1rem;font-size:.75rem;font-weight:700;display:grid;position:sticky;top:60px;box-shadow:0 2px 4px #0000000d}.grid-tbody{min-height:20px}.grid-row{border-bottom:1px solid var(--color-border);grid-template-columns:32px 40px 48px 1.5fr 70px 100px 120px 120px 40px;align-items:center;gap:.5rem;padding:.5rem 1rem;transition:all .2s;display:grid}.grid-row:hover{background-color:#3b82f605}.grid-row.dragging{border-radius:var(--radius-md);border:1px solid var(--color-primary-light);z-index:100;background-color:#fff;box-shadow:0 10px 25px -5px #0000001a,0 8px 10px -6px #0000001a}.animate-slide-in{animation:.3s ease-out forwards slideIn}.wbs-module{transition:transform .2s,box-shadow .2s}.wbs-module:hover{transform:translateY(-2px)}.card-hover:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}.grid-cell{padding:0 .5rem;font-size:.875rem}.grid-cell.center{text-align:center}.grid-cell.right{text-align:right}.grid-tbody{min-height:20px;transition:background-color .3s;position:relative}.dnd-placeholder{border:2px dashed var(--color-primary);border-radius:var(--radius-md);background-color:#3b82f60d;height:48px;margin:.5rem 1rem}.grid-row.dragging{border-radius:var(--radius-md);border:2px solid var(--color-primary)!important;opacity:1!important;background-color:#fff!important;box-shadow:0 10px 40px #00000026!important}.btn-link-action{border:1px solid var(--color-border);cursor:pointer;color:var(--color-text-muted);background:0 0;border-radius:4px;justify-content:center;align-items:center;width:30px;height:30px;padding:4px;transition:all .2s;display:flex}.btn-link-action:hover{background-color:var(--color-primary-light);color:var(--color-primary);border-color:var(--color-primary)}.btn-link-action.has-link{color:var(--color-success);background-color:var(--color-success-light);border-color:var(--color-success)}.link-action-menu{z-index:1000;border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);background-color:#fff;flex-direction:column;min-width:120px;margin-top:4px;padding:4px;display:flex;position:absolute;top:100%;right:0}.link-action-menu button{text-align:left;cursor:pointer;color:var(--color-text);background:0 0;border:none;border-radius:4px;align-items:center;padding:8px 12px;font-size:.8125rem;transition:background-color .15s;display:flex}.link-action-menu button:hover{background-color:var(--color-surface-hover);color:var(--color-primary)}.content-header{border-bottom:1px solid var(--color-border);margin-bottom:2rem;padding-bottom:1.5rem}.save-status{background-color:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text-muted);border-radius:9999px;align-items:center;gap:.5rem;padding:.25rem .75rem;font-size:.75rem;font-weight:500;transition:all .3s;display:inline-flex}.save-status.saving{color:var(--color-primary);border-color:var(--color-primary-light);background-color:var(--color-primary-light)}.save-status.saved{color:#10b981;background-color:#f0fdf4;border-color:#d1fae5}.save-status.error{color:var(--color-danger);background-color:#fef2f2;border-color:#fee2e2}.animate-spin{animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.table tr[data-rbd-draggable-context-id]{transition:background-color .2s}.table tr[data-rbd-draggable-context-id]:hover .grip-handle{opacity:1!important}.grip-handle{transition:opacity .2s}.sidebar.collapsed{width:72px;padding:1.5rem .75rem;overflow:visible}.sidebar.collapsed .sidebar-brand-text,.sidebar.collapsed .sidebar-user-info,.sidebar.collapsed .nav-label{display:none}.sidebar.collapsed .nav-item{justify-content:center;gap:0;padding:.625rem}.sidebar.collapsed .collapse-btn-icon{transform:rotate(180deg)}.collapse-btn{border:1px solid var(--color-border);background:var(--color-surface);cursor:pointer;width:24px;height:24px;color:var(--color-text-muted);transition:all var(--transition-fast);z-index:60;box-shadow:var(--shadow-sm);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex;position:absolute;top:32px;right:-12px}.collapse-btn:hover{background:var(--color-surface-hover);color:var(--color-text)}.collapse-btn-icon{transition:transform var(--transition-normal)}.content{background-color:var(--color-bg);flex:1;min-width:0;padding:2rem}.nav-item{border-radius:var(--radius-md);color:var(--color-text-muted);transition:all var(--transition-fast);cursor:pointer;white-space:nowrap;align-items:center;gap:.75rem;padding:.625rem .875rem;font-size:.875rem;font-weight:500;text-decoration:none;display:flex;overflow:hidden}.nav-item:hover{background-color:var(--color-surface-hover);color:var(--color-text)}.nav-item.active{background-color:var(--color-primary-light);color:var(--color-primary);font-weight:600}.nav-item .nav-icon{opacity:.7;flex-shrink:0;width:20px;height:20px}.nav-item.active .nav-icon{opacity:1}.theme-toggle{border:1px solid var(--color-border);background:var(--color-surface);cursor:pointer;width:32px;height:32px;color:var(--color-text-muted);transition:all var(--transition-fast);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.theme-toggle:hover{background:var(--color-surface-hover);color:var(--color-warning)}.wbs-module{border:1px solid var(--color-border);border-radius:var(--radius-lg);background-color:var(--color-surface);transition:box-shadow var(--transition-normal);margin-bottom:1rem}.wbs-module:hover{box-shadow:var(--shadow-sm)}.wbs-module-header{background-color:var(--color-surface);border-bottom:1px solid var(--color-border);z-index:60;border-radius:var(--radius-lg) var(--radius-lg) 0 0;justify-content:space-between;align-items:center;gap:1rem;height:60px;padding:1rem;display:flex;position:sticky;top:0;box-shadow:0 2px 4px #0000000d}.wbs-task-list{padding:0;list-style:none}.wbs-task-item{border-bottom:1px solid var(--color-border);background-color:#fff;justify-content:space-between;align-items:center;padding:.875rem 1rem;display:flex}.wbs-task-item:last-child{border-bottom:none}.slider-container{flex-direction:column;gap:.375rem;display:flex}.slider{appearance:none;background:linear-gradient(to right, var(--color-primary-light), #e2e8f0);cursor:pointer;border-radius:3px;outline:none;width:100%;height:6px}.slider::-webkit-slider-thumb{appearance:none;background:var(--color-primary);cursor:pointer;border-radius:50%;width:20px;height:20px;transition:transform .15s,box-shadow .15s;box-shadow:0 1px 3px #3b82f64d}.slider::-webkit-slider-thumb:hover{transform:scale(1.2);box-shadow:0 2px 8px #3b82f666}.slider::-moz-range-thumb{background:var(--color-primary);cursor:pointer;border:none;border-radius:50%;width:20px;height:20px;transition:transform .15s,box-shadow .15s;box-shadow:0 1px 3px #3b82f64d}.slider::-moz-range-thumb:hover{transform:scale(1.2);box-shadow:0 2px 8px #3b82f666}.slider::-moz-range-track{background:linear-gradient(to right, var(--color-primary-light), #e2e8f0);border-radius:3px;height:6px}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:.5rem}.gap-4{gap:1rem}.mt-4{margin-top:1rem}.mb-4{margin-bottom:1rem}.w-full{width:100%}.text-right{text-align:right}.font-bold{font-weight:700}@media (max-width:1024px){.content{padding:1.5rem}}@media (max-width:768px){.sidebar{width:270px;transition:left var(--transition-normal);box-shadow:var(--shadow-lg);position:fixed;left:-280px}.sidebar.open{left:0}.sidebar-overlay{z-index:40;background:#0006;display:none;position:fixed;inset:0}.sidebar-overlay.open{display:block}.content{margin-left:0;padding:1rem}.mobile-header{background:var(--color-surface);border-bottom:1px solid var(--color-border);z-index:30;align-items:center;gap:.75rem;padding:.75rem 1rem;display:flex;position:sticky;top:0}.hamburger-btn{border:1px solid var(--color-border);border-radius:var(--radius-md);cursor:pointer;width:36px;height:36px;color:var(--color-text);background:0 0;justify-content:center;align-items:center;display:flex}}@media (min-width:769px){.mobile-header{display:none}.sidebar-overlay{display:none!important}}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}@media print{body{background-color:#fff!important}.sidebar,.mobile-header,.no-print,button,.btn,.stepper-container{display:none!important}.layout{display:block!important}.content{background-color:#fff!important;width:100%!important;margin:0!important;padding:0!important}.card{box-shadow:none!important;border:none!important;margin:0!important;padding:0!important}.table-container{border:none!important}.table{border-collapse:collapse!important;width:100%!important}.table th,.table td{border:1px solid #e2e8f0!important;padding:.5rem!important}.badge{color:#0f172a!important;background:0 0!important;border:1px solid #cbd5e1!important}@page{margin:1.5cm;size:auto}}input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}input[type=number]{appearance:textfield}.qty-spinner-btn:hover{background:var(--color-primary-light)!important;color:var(--color-primary)!important}