:root{--primary:#1e3a8a;--primary-light:#3b82f6;--primary-dark:#172554;--bg-main:#f8fafc;--bg-card:#fff;--border:#e2e8f0;--text-main:#0f172a;--text-muted:#64748b;--text-light:#94a3b8;--success:#15803d;--success-bg:#dcfce7;--warning:#b45309;--warning-bg:#fef3c7;--danger:#b91c1c;--danger-bg:#fee2e2;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-mono:"JetBrains Mono", "Fira Code", "Courier New", monospace}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-main);color:var(--text-main);-webkit-font-smoothing:antialiased;font-size:13.5px;line-height:1.5}#root{text-align:left!important;border:none!important;width:100%!important;max-width:100%!important;margin:0!important;padding:0!important}button,input,select,textarea{font-family:inherit;font-size:inherit}.app-container{flex-direction:column;width:100%;min-height:100vh;display:flex}.app-header{color:#fff;background:linear-gradient(135deg,#0f172a 0%,#1e293b 100%);border-bottom:2px solid #334155;padding:16px 28px;box-shadow:0 4px 12px #00000014}.header-top{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.brand-section h1{letter-spacing:-.01em;color:#f8fafc;align-items:center;gap:8px;font-size:19px;font-weight:700;display:flex}.brand-section p{color:#94a3b8;margin-top:2px;font-size:12px}.badge-pill{letter-spacing:.04em;text-transform:uppercase;border-radius:9999px;padding:2px 8px;font-size:10.5px;font-weight:600}.badge-rev1{color:#fff;background-color:#0284c7}.header-actions{align-items:center;gap:10px;display:flex}.stats-bar{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin:16px 28px 0;display:grid}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:12px 16px;box-shadow:0 1px 3px #00000008}.stat-card.highlight{background:linear-gradient(to bottom right,#eff6ff,#dbeafe);border-color:#bfdbfe}.stat-label{text-transform:uppercase;color:var(--text-muted);letter-spacing:.05em;font-size:11px;font-weight:600}.stat-value{color:var(--text-main);font-size:16px;font-weight:700;font-family:var(--font-mono);margin-top:2px}.stat-card.highlight .stat-value{color:#1d4ed8}.tabs-container{border-bottom:2px solid var(--border);z-index:40;background:var(--bg-main);gap:6px;margin-top:16px;padding:0 28px;display:flex;position:sticky;top:0;overflow-x:auto;box-shadow:0 2px 4px #00000008}.tab-btn{color:var(--text-muted);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-bottom:2px solid #0000;align-items:center;gap:8px;padding:10px 18px;font-size:13px;font-weight:600;transition:all .15s;display:flex}.tab-btn:hover{color:var(--primary-light);background-color:#3b82f60a;border-radius:6px 6px 0 0}.tab-btn.active{color:#1d4ed8;background-color:var(--bg-card);border-bottom-color:#2563eb;border-top:1px solid var(--border);border-left:1px solid var(--border);border-right:1px solid var(--border);border-radius:6px 6px 0 0}.tab-count{color:#475569;background:#e2e8f0;border-radius:9999px;padding:1px 7px;font-size:11px;font-weight:500}.tab-btn.active .tab-count{color:#1e40af;background:#dbeafe}.main-content{flex:1;padding:18px 28px 40px}.toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.search-box{border:1px solid var(--border);background:#fff;border-radius:6px;align-items:center;width:320px;padding:7px 12px;display:flex;box-shadow:0 1px 2px #00000005}.search-box input{border:none;outline:none;width:100%;margin-left:8px;font-size:13px}.toolbar-actions{gap:8px;display:flex}.btn{cursor:pointer;border:1px solid #0000;border-radius:6px;align-items:center;gap:6px;padding:7px 14px;font-size:12.5px;font-weight:600;transition:all .15s;display:inline-flex}.btn-primary{color:#fff;background-color:#2563eb}.btn-primary:hover{background-color:#1d4ed8}.btn-secondary{color:#334155;background-color:#fff;border-color:#cbd5e1}.btn-secondary:hover{background-color:#f1f5f9;border-color:#94a3b8}.btn-danger{color:#991b1b;background-color:#fee2e2;border-color:#fecaca}.btn-danger:hover{background-color:#fecaca}.btn-sm{padding:4px 8px;font-size:11.5px}.section-meta-card{border:1px solid var(--border);background:#fff;border-radius:8px;justify-content:space-between;align-items:center;margin-bottom:16px;padding:14px 18px;display:flex}.section-meta-card h2{color:#1e293b;font-size:15px;font-weight:700}.section-meta-card p{color:#64748b;margin-top:2px;font-size:12px}.group-accordion{border:1px solid var(--border);background:#fff;border-radius:8px;margin-bottom:14px;overflow:visible;box-shadow:0 1px 3px #00000005}.group-header{cursor:pointer;-webkit-user-select:none;user-select:none;z-index:30;background:#f8fafc;border-bottom:1px solid #0000;border-radius:8px 8px 0 0;justify-content:space-between;align-items:center;padding:10px 16px;transition:background-color .15s;display:flex;position:sticky;top:45px;box-shadow:0 1px 2px #0000000a}.group-header:hover{background:#f1f5f9}.group-header.expanded{border-bottom-color:var(--border)}.group-title-area{align-items:center;gap:10px;display:flex}.group-title{color:#1e293b;font-size:13.5px;font-weight:700}.group-badge{color:#334155;background:#e2e8f0;border-radius:4px;padding:2px 7px;font-size:11px;font-weight:600}.group-summary{align-items:center;gap:16px;display:flex}.group-subtotal{color:#475569;font-size:12px;font-family:var(--font-mono)}.group-subtotal strong{color:#0f172a}.boq-table-wrapper{overflow:visible}.boq-table{border-collapse:collapse;width:100%;min-width:1200px;font-size:12.5px}.boq-table th{color:#f8fafc;text-align:left;text-transform:uppercase;letter-spacing:.05em;white-space:nowrap;z-index:20;background-color:#1e293b;border-top:none;border-bottom:2px solid #0f172a;padding:9px 10px;font-size:11px;font-weight:600;position:sticky;top:89px;box-shadow:0 3px 6px #0000001f}.boq-table td{border-bottom:1px solid var(--border);vertical-align:top;color:#334155;padding:7px 10px;font-weight:400}.boq-table tr:hover{background-color:#f8fafc}.col-no{text-align:center;color:#64748b;width:45px;font-weight:400}.col-desc{min-width:320px}.col-code{width:140px;min-width:120px;font-family:var(--font-mono);font-size:11.5px;font-weight:400}.col-vol{width:135px;min-width:125px}.col-unit{text-align:center;width:65px;font-weight:400}.col-price{text-align:right;width:130px;font-family:var(--font-mono);font-weight:400}.col-total{text-align:right;width:140px;font-family:var(--font-mono);color:#1e293b;font-weight:400}.col-actions{text-align:center;width:80px}.table-input{color:#1e293b;background:0 0;border:1px solid #0000;border-radius:4px;width:100%;padding:4px 6px;font-size:12px;font-weight:400;transition:all .15s}.table-input:hover{background:#fff;border-color:#cbd5e1}.table-input:focus{background:#fff;border-color:#3b82f6;outline:none;box-shadow:0 0 0 2px #3b82f626}.table-input.num{text-align:right;font-family:var(--font-mono);font-weight:400}.desc-main{color:#1e293b;font-weight:400}.specs-list{color:#475569;margin-top:4px;padding-left:14px;font-size:11.5px;line-height:1.4;list-style-type:square}.group-subtotal-row{background-color:#f1f5f9;font-weight:700}.group-subtotal-row td{border-top:1px solid #cbd5e1;border-bottom:2px solid #cbd5e1;padding:9px 10px;font-size:12px}.section-subtotal-banner{color:#fff;background:linear-gradient(135deg,#1e293b 0%,#0f172a 100%);border-radius:8px;justify-content:space-between;align-items:center;margin-top:24px;padding:16px 20px;display:flex;box-shadow:0 4px 10px #0000000f}.subtotal-title{letter-spacing:.02em;font-size:14px;font-weight:700}.subtotal-values{text-align:right;font-family:var(--font-mono);gap:24px;display:flex}.subtotal-col span{color:#94a3b8;text-transform:uppercase;font-size:10.5px;display:block}.subtotal-col strong{color:#f8fafc;font-size:15px}.subtotal-col.grand strong{color:#38bdf8;font-size:18px}.modal-overlay{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:1000;background:#0f172a99;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal-content{background:#fff;border-radius:10px;flex-direction:column;width:100%;max-width:620px;max-height:90vh;display:flex;overflow:hidden;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}.modal-header{border-bottom:1px solid var(--border);background:#f8fafc;justify-content:space-between;align-items:center;padding:14px 20px;display:flex}.modal-header h3{color:#0f172a;font-size:15px;font-weight:700}.modal-body{flex-direction:column;gap:14px;padding:18px 20px;display:flex;overflow-y:auto}.form-group{flex-direction:column;gap:4px;display:flex}.form-group label{color:#475569;text-transform:uppercase;font-size:11.5px;font-weight:600}.form-input,.form-textarea,.form-select{border:1px solid var(--border);border-radius:6px;outline:none;padding:8px 10px;font-size:13px}.form-input:focus,.form-textarea:focus,.form-select:focus{border-color:#3b82f6;box-shadow:0 0 0 2px #3b82f626}.form-row{grid-template-columns:1fr 1fr;gap:12px;display:grid}.modal-footer{border-top:1px solid var(--border);background:#f8fafc;justify-content:flex-end;gap:10px;padding:12px 20px;display:flex}.toast{color:#fff;z-index:2000;background:#1e293b;border-radius:6px;align-items:center;gap:8px;padding:10px 16px;font-size:13px;animation:.2s ease-out slideUp;display:flex;position:fixed;bottom:24px;right:24px;box-shadow:0 10px 15px -3px #0000001a}@keyframes slideUp{0%{opacity:0;transform:translateY(100%)}to{opacity:1;transform:translateY(0)}}