:root{--bg:#f5f7fa;--surface:#fff;--surface-2:#f9fafb;--border:#e3e8ef;--border-strong:#cfd7e3;--text:#172033;--muted:#6b768a;--primary:#172a46;--primary-soft:#edf2f8;--accent:#315f8f;--danger:#a33838;--success:#1e6a45;--shadow:0 1px 2px #0f172a0d}*{box-sizing:border-box}html,body{background:var(--bg);min-height:100%;color:var(--text);margin:0}body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,select,textarea{font:inherit}a{color:inherit;text-decoration:none}.app-shell{grid-template-columns:236px 1fr;min-height:100vh;display:grid}.sidebar{color:#dfe7f1;background:#101b2c;flex-direction:column;height:100vh;padding:22px 16px;display:flex;position:sticky;top:0}.brand{align-items:center;gap:11px;padding:0 8px 24px;display:flex}.brand-mark{color:#101b2c;background:#f3f6fa;border-radius:8px;place-items:center;width:34px;height:34px;font-weight:800;display:grid}.brand strong{font-size:14px;display:block}.brand span{color:#91a0b4;margin-top:2px;font-size:11px;display:block}nav{flex-direction:column;gap:4px;display:flex}.nav-link{border-radius:7px;padding:10px 11px;font-size:13px}.nav-link[href]:hover{background:#ffffff14}.nav-link.disabled{color:#718198;cursor:default}.nav-section{color:#65758c;letter-spacing:.12em;padding:8px 11px 5px;font-size:10px}.nav-spacer{height:20px}.security-note{color:#75869d;border-top:1px solid #ffffff14;margin-top:auto;padding:10px;font-size:10px;line-height:1.45}.main-area{min-width:0}.page{max-width:1520px;margin:0 auto;padding:32px 38px 56px}.page-header{justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:26px;display:flex}.page-header h1{letter-spacing:-.025em;margin:0;font-size:26px;line-height:1.15}.page-header p{color:var(--muted);margin:7px 0 0;font-size:13px}.header-actions{flex-wrap:wrap;justify-content:flex-end;gap:10px;display:flex}.button{border:1px solid var(--border-strong);background:var(--surface);color:var(--text);cursor:pointer;border-radius:7px;justify-content:center;align-items:center;gap:7px;min-height:36px;padding:9px 13px;font-size:12px;font-weight:650;display:inline-flex}.button:hover{border-color:#aeb9c8}.button.primary{background:var(--primary);color:#fff;border-color:var(--primary)}.button.primary:hover{background:#203858}.button.ghost{background:0 0}.button.danger{color:var(--danger)}.button:disabled{opacity:.48;cursor:not-allowed}.card{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:10px}.toolbar{border-bottom:1px solid var(--border);grid-template-columns:minmax(260px,1fr) 190px 170px;gap:10px;padding:14px;display:grid}.input,.select,.textarea{border:1px solid var(--border-strong);width:100%;color:var(--text);background:#fff;border-radius:7px;outline:none;min-height:38px;padding:9px 10px;font-size:12px}.input:focus,.select:focus,.textarea:focus{border-color:#7e96b2;box-shadow:0 0 0 3px #315f8f14}.input:disabled,.select:disabled,.textarea:disabled{color:#7b8491;background:#f4f6f8}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;min-width:980px;font-size:12px}th{text-align:left;color:#667085;border-bottom:1px solid var(--border);white-space:nowrap;background:#fafbfc;padding:10px 12px;font-weight:700}td{vertical-align:middle;border-bottom:1px solid #edf0f4;padding:12px}tbody tr:hover{background:#fbfcfd}tbody tr:last-child td{border-bottom:0}.project-name{font-weight:700}.project-code{color:#536176;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px}.badge{background:var(--primary-soft);color:#395372;white-space:nowrap;border-radius:999px;align-items:center;gap:5px;padding:4px 8px;font-size:10px;font-weight:700;display:inline-flex}.badge.active{color:var(--success);background:#eaf6ef}.badge.inactive{color:#6b7280;background:#f3f4f6}.empty{text-align:center;color:var(--muted);padding:50px 20px}.error{color:#8a2f2f;background:#fff3f3;border:1px solid #f1cccc;border-radius:8px;margin:0 0 16px;padding:11px 13px;font-size:12px}.notice{color:#39516d;background:#f0f5fa;border:1px solid #d8e2ed;border-radius:8px;padding:11px 13px;font-size:12px}.form-card{max-width:980px}.form-section{border-bottom:1px solid var(--border);padding:22px 24px}.form-section:last-of-type{border-bottom:0}.form-section h2{margin:0 0 4px;font-size:14px}.form-section .section-help{color:var(--muted);margin:0 0 18px;font-size:11px}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 18px;display:grid}.capacity-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.field{flex-direction:column;gap:6px;display:flex}.field.full{grid-column:1/-1}.field label{color:#4a5669;font-size:11px;font-weight:700}.field small{color:var(--muted);font-size:10px}.derived-value{color:#25354a;font-variant-numeric:tabular-nums;background:#f4f7fa;border:1px solid #d9e1ea;border-radius:7px;align-items:center;min-height:38px;padding:9px 10px;font-size:13px;font-weight:800;display:flex}.derived-input{color:#536176!important;background:#f4f7fa!important}.ratio-value{color:#253f5f;font-variant-numeric:tabular-nums;font-weight:800}.checkbox-row{align-items:center;gap:8px;min-height:38px;display:flex}.form-footer{border-top:1px solid var(--border);background:#fbfcfd;border-radius:0 0 10px 10px;justify-content:space-between;align-items:center;gap:12px;padding:16px 24px;display:flex}.form-footer-right{gap:9px;display:flex}.summary-strip{background:var(--border);border:1px solid var(--border);border-radius:10px;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;margin-bottom:18px;display:grid;overflow:hidden}.summary-cell{background:var(--surface);padding:13px 15px}.summary-cell span{color:var(--muted);margin-bottom:5px;font-size:10px;display:block}.summary-cell strong{font-size:12px}.detail-header{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.readonly-banner{justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px;display:flex}.placeholder{text-align:center;padding:42px}.placeholder h2{margin:0 0 8px;font-size:18px}.placeholder p{color:var(--muted);margin:0}@media (max-width:1000px){.app-shell{grid-template-columns:1fr}.sidebar{display:none}.page{padding:24px 18px 40px}.toolbar{grid-template-columns:1fr}.summary-strip{grid-template-columns:repeat(2,1fr)}.capacity-grid{grid-template-columns:1fr}}@media (max-width:660px){.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.page-header{flex-direction:column}.header-actions{justify-content:flex-start}.summary-strip{grid-template-columns:1fr}}.boq-page{max-width:1680px}.boq-header{margin-bottom:18px}.boq-summary-strip{background:var(--border);border:1px solid var(--border);border-radius:10px;grid-template-columns:1.35fr .85fr .75fr 1fr 1.2fr;gap:1px;margin-bottom:16px;display:grid;overflow:hidden}.boq-summary-cell{background:var(--surface);min-width:0;padding:12px 14px}.boq-summary-cell span{color:var(--muted);margin-bottom:5px;font-size:10px;display:block}.boq-summary-cell strong{white-space:nowrap;text-overflow:ellipsis;font-size:12px;display:block;overflow:hidden}.boq-summary-cell.total strong{color:#213b5d;font-variant-numeric:tabular-nums;font-size:14px}.boq-workspace-card{overflow:hidden}.boq-card-head{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:16px;min-height:64px;padding:14px 16px;display:flex}.boq-card-head h2{margin:0 0 4px;font-size:14px}.boq-card-head p{color:var(--muted);margin:0;font-size:11px}.boq-card-head-actions{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:10px;display:flex}.boq-empty-state{text-align:center;padding:64px 24px 70px}.boq-empty-state h3{margin:12px 0 7px;font-size:16px}.boq-empty-state p{max-width:560px;color:var(--muted);margin:0 auto 18px;font-size:12px;line-height:1.55}.boq-empty-icon{border:1px solid var(--border);color:#617084;letter-spacing:.04em;background:#f7f9fb;border-radius:12px;place-items:center;width:52px;height:52px;margin:0 auto;font-size:11px;font-weight:800;display:grid}.boq-table-wrap{max-height:calc(100vh - 290px);overflow:auto}.boq-table{min-width:1500px;font-size:11px}.boq-table th{z-index:2;background:#f8fafc;position:sticky;top:0}.boq-table .numeric{text-align:right;font-variant-numeric:tabular-nums}.boq-wbs-content{align-items:center;gap:8px;display:flex}.boq-wbs-content>div{min-width:0}.boq-wbs-content strong{color:#31435a;margin-bottom:2px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;display:block}.boq-wbs-content span:not(.boq-node-marker){color:#273448;white-space:normal;font-weight:650;line-height:1.3;display:block}.boq-node-marker{text-align:center;color:#738198;flex:0 0 14px;width:14px}.boq-node-marker.item{color:#9aa6b5;font-size:15px}.boq-description{white-space:normal;color:#4c596b;min-width:300px;max-width:420px;line-height:1.35}.boq-group-row td{background:#f7f9fc;border-bottom-color:#dfe5ec}.boq-group-row.level-1 td{background:#edf2f7}.boq-group-row.level-1 .boq-wbs-content span:not(.boq-node-marker){font-weight:800}.boq-group-row.level-2 td{background:#f4f7fa}.boq-group-type{color:#738198;text-transform:uppercase;letter-spacing:.06em;font-size:10px;font-weight:700}.boq-line-row:hover td{background:#fbfcfd}.boq-total-cell{color:#223e60;font-weight:750}.boq-notes-cell{white-space:nowrap;text-overflow:ellipsis;max-width:230px;overflow:hidden}@media (max-width:1050px){.boq-summary-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.boq-summary-cell.total{grid-column:1/-1}}.app-shell{transition:grid-template-columns .18s}.sidebar{width:236px;transition:width .18s,padding .18s;overflow:hidden}.sidebar.collapsed{width:72px;padding-left:12px;padding-right:12px}.app-shell:has(.sidebar.collapsed){grid-template-columns:72px 1fr}.sidebar-top-row{min-height:58px;position:relative}.sidebar-toggle{color:#cbd5e1;cursor:pointer;background:#ffffff0f;border:1px solid #ffffff1f;border-radius:7px;place-items:center;width:26px;height:26px;display:grid;position:absolute;top:4px;right:-4px}.sidebar-toggle:hover{background:#ffffff1f}.sidebar .brand{padding-right:28px}.sidebar.collapsed .brand{justify-content:center;padding:0 0 24px}.sidebar.collapsed .brand-copy{display:none}.sidebar.collapsed .sidebar-toggle{top:40px;right:11px}.sidebar-nav-link{align-items:center;gap:10px;display:flex}.sidebar-nav-link svg{flex:0 0 16px}.sidebar.collapsed .sidebar-nav-link{justify-content:center;padding-left:8px;padding-right:8px}.sidebar.collapsed .nav-label{display:none}.muted-nav{color:#8fa0b6}.sidebar.collapsed .security-note{text-align:center;padding-left:0;padding-right:0}.security-short{letter-spacing:.08em;font-weight:800;display:none}.sidebar.collapsed .security-full{display:none}.sidebar.collapsed .security-short{display:inline}.breadcrumb{color:#7b8798;align-items:center;gap:7px;font-size:12px;display:flex}.breadcrumb a:hover{color:#344966}.breadcrumb strong{color:#46556a;font-weight:700}@media (max-width:1000px){.app-shell:has(.sidebar.collapsed){grid-template-columns:1fr}}.boq-revision-notice{margin-bottom:16px}.wbs-modal-backdrop{z-index:80;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#0a14237a;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.wbs-modal{background:var(--surface);border:1px solid var(--border-strong);border-radius:12px;flex-direction:column;width:min(720px,100%);max-height:min(760px,100vh - 48px);display:flex;overflow:hidden;box-shadow:0 24px 70px #0f172a38}.wbs-modal-head{border-bottom:1px solid var(--border);justify-content:space-between;align-items:flex-start;gap:20px;padding:20px 22px 17px;display:flex}.wbs-modal-kicker{color:#6f7d90;letter-spacing:.09em;text-transform:uppercase;margin-bottom:4px;font-size:10px;font-weight:800;display:block}.wbs-modal-head h2{letter-spacing:-.015em;margin:0;font-size:18px}.wbs-modal-head p{color:var(--muted);margin:5px 0 0;font-size:12px}.wbs-modal-close{border:1px solid var(--border);color:#667085;cursor:pointer;background:#fff;border-radius:8px;flex:0 0 32px;place-items:center;width:32px;height:32px;font-size:21px;line-height:1;display:grid}.wbs-modal-close:hover{background:#f8fafc}.wbs-modal-close:disabled{opacity:.5;cursor:not-allowed}.wbs-modal-body{min-height:180px;padding:16px 22px 20px;overflow:auto}.wbs-modal-error{margin-bottom:12px}.wbs-modal-loading,.wbs-modal-empty{text-align:center;min-height:150px;color:var(--muted);flex-direction:column;justify-content:center;align-items:center;font-size:12px;display:flex}.wbs-modal-empty strong{color:#344054;margin-bottom:6px;font-size:13px}.wbs-modal-empty span{max-width:460px;line-height:1.5}.wbs-option-list{flex-direction:column;gap:9px;display:flex}.wbs-option{border:1px solid var(--border);cursor:pointer;background:#fff;border-radius:9px;grid-template-columns:22px 48px minmax(0,1fr) auto;align-items:center;gap:12px;padding:13px 14px;transition:border-color .14s,background .14s,box-shadow .14s;display:grid}.wbs-option:hover{background:#fbfcfd;border-color:#b9c5d3}.wbs-option.selected{background:#f3f7fb;border-color:#7391b1;box-shadow:0 0 0 2px #315f8f0f}.wbs-option input{width:16px;height:16px;accent-color:var(--primary);margin:0}.wbs-option-code{color:#314a68;background:#edf2f7;border-radius:7px;place-items:center;min-height:34px;padding:0 8px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;font-weight:800;display:grid}.wbs-option-copy{min-width:0}.wbs-option-copy strong{color:#273448;margin-bottom:3px;font-size:13px;display:block}.wbs-option-copy span{color:var(--muted);white-space:normal;font-size:11px;line-height:1.4;display:block}.wbs-modal-footer{border-top:1px solid var(--border);background:#fbfcfd;justify-content:space-between;align-items:center;gap:16px;padding:14px 22px;display:flex}.wbs-selection-count{color:var(--muted);font-size:11px}.wbs-modal-actions{gap:9px;display:flex}@media (max-width:620px){.wbs-modal-backdrop{align-items:end;padding:12px}.wbs-modal{border-radius:12px 12px 0 0;max-height:calc(100vh - 24px)}.wbs-option{grid-template-columns:22px 44px minmax(0,1fr)}.wbs-option>.badge{display:none}.wbs-modal-footer{flex-direction:column;align-items:flex-start}.wbs-modal-actions{width:100%}.wbs-modal-actions .button{flex:1}}.boq-table{min-width:1620px}.boq-actions-head{min-width:118px;text-align:right!important}.boq-actions-cell{text-align:right;white-space:nowrap;min-width:118px}.boq-row-action{white-space:nowrap;background:#fff;border-radius:7px;min-height:30px;padding:6px 9px;font-size:10px}.boq-row-action:hover:not(:disabled){background:#f9fbfd;border-color:#9baabd}.boq-action-placeholder{color:#a2adbb}.wbs-parent-context{border:1px solid var(--border);background:#f8fafc;border-radius:8px;grid-template-columns:auto auto minmax(0,1fr);align-items:center;gap:10px;margin:14px 22px 0;padding:10px 12px;display:grid}.wbs-parent-context>span{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:10px;font-weight:700}.wbs-parent-context>strong{color:#314a68;background:#e8eef5;border-radius:6px;padding:5px 8px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px}.wbs-parent-context>div{min-width:0}.wbs-parent-context b{color:#344054;font-size:11px;display:block}.wbs-parent-context small{color:var(--muted);margin-top:2px;font-size:10px;display:block}.boq-row-actions{justify-content:flex-end;align-items:center;gap:6px;display:flex}.boq-row-actions .boq-row-action{flex:none}.boq-actions-head,.boq-actions-cell{z-index:4;border-right:1px solid var(--border);background:#f8fafc;width:112px;min-width:112px;max-width:112px;position:sticky;left:0;text-align:left!important}.boq-actions-head{z-index:6}.boq-line-row .boq-actions-cell{background:#fff}.boq-line-row:hover .boq-actions-cell{background:#fbfcfd}.boq-group-row .boq-actions-cell{background:#f7f9fc}.boq-group-row.level-1 .boq-actions-cell{background:#edf2f7}.boq-group-row.level-2 .boq-actions-cell{background:#f4f7fa}.boq-row-actions{justify-content:flex-start}.boq-actions-head,.boq-actions-cell{width:74px;min-width:74px;max-width:74px}.boq-row-actions{gap:5px;min-height:30px}.boq-icon-action{color:#42526a;cursor:pointer;background:#fff;border:1px solid #cfd8e3;border-radius:7px;flex:0 0 28px;place-items:center;width:28px;height:28px;padding:0;font-size:17px;font-weight:700;line-height:1;transition:background .14s,border-color .14s,color .14s,transform 80ms;display:inline-grid}.boq-icon-action:hover:not(:disabled){background:#f8fafc;border-color:#93a4b8}.boq-icon-action:active:not(:disabled){transform:translateY(1px)}.boq-icon-action.add{color:#1f5f4f;background:#f7fcfa;border-color:#b8d5cc}.boq-icon-action.add:hover:not(:disabled){background:#edf8f4;border-color:#7fb5a5}.boq-icon-action.remove{color:#9f2f2f;background:snow;border-color:#e3c1c1}.boq-icon-action.remove:hover:not(:disabled){background:#fff1f1;border-color:#d28d8d}.boq-icon-action:disabled{opacity:.42;cursor:not-allowed}.boq-history-actions{align-items:center;gap:6px;padding-right:2px;display:inline-flex}.button.icon-only{width:36px;min-width:36px;padding:0}.button.icon-only svg{display:block}.button.icon-only:disabled{background:#f8fafc}.boq-dirty-state{text-align:right;min-width:116px;color:var(--muted);white-space:nowrap;padding:0 4px;font-size:10px;font-weight:700}.boq-dirty-state.dirty{color:#9a6700}.boq-dirty-state.clean{color:#557064}.boq-edit-cell{transition:background .14s,box-shadow .14s;padding:5px 6px!important}.boq-edit-cell.dirty{box-shadow:inset 0 0 0 1px #efd9a4;background:#fffaf0!important}.boq-inline-input,.boq-inline-select{color:#25344a;background:0 0;border:1px solid #0000;border-radius:6px;outline:none;width:100%;height:30px;font-size:11px;transition:border-color .12s,background .12s,box-shadow .12s}.boq-inline-select{cursor:pointer;padding:0 24px 0 6px}.boq-inline-input:hover:not(:disabled),.boq-inline-select:hover:not(:disabled){background:#fff;border-color:#d7dee8}.boq-inline-input:focus,.boq-inline-select:focus{background:#fff;border-color:#7f9dbc;box-shadow:0 0 0 2px #315f8f14}.boq-inline-input:disabled,.boq-inline-select:disabled{color:#667085;cursor:default}.boq-inline-input.number{text-align:right;font-variant-numeric:tabular-nums;min-width:78px}.boq-inline-select.compact{min-width:88px}.boq-inline-select.unit{min-width:78px}.boq-inline-select.fx{min-width:68px}.boq-readonly-cell{color:#506078;background:#fbfcfd}.boq-line-row:hover .boq-readonly-cell{background:#f7f9fb}@media (max-width:1200px){.boq-dirty-state{display:none}}.boq-table{table-layout:fixed;min-width:1260px}.boq-table col.boq-col-actions{width:66px}.boq-table col.boq-col-wbs{width:190px}.boq-table col.boq-col-description{width:320px}.boq-table col.boq-col-include{width:76px}.boq-table col.boq-col-unit{width:66px}.boq-table col.boq-col-qty{width:76px}.boq-table col.boq-col-unit-price{width:98px}.boq-table col.boq-col-base-fx{width:78px}.boq-table col.boq-col-total{width:118px}.boq-table col.boq-col-make,.boq-table col.boq-col-model{width:96px}.boq-actions-head,.boq-actions-cell{width:66px;min-width:66px;max-width:66px;padding-left:6px!important;padding-right:6px!important}.boq-table th{padding:8px 7px}.boq-table td{padding:7px}.boq-edit-cell{padding:4px!important}.boq-wbs-cell{min-width:0}.boq-wbs-content{gap:6px}.boq-description{text-overflow:ellipsis;min-width:0;max-width:none;overflow:hidden}.boq-inline-input,.boq-inline-select{height:28px;font-size:10.5px;min-width:0!important}.boq-inline-input{padding:0 5px}.boq-inline-select{padding:0 17px 0 5px}.boq-inline-input.description{min-width:0}.boq-inline-input.number{min-width:0;padding-left:4px;padding-right:4px}.boq-inline-input.text-short,.boq-inline-select.compact,.boq-inline-select.unit,.boq-inline-select.fx{min-width:0}.boq-inline-select.fx{padding-left:4px;padding-right:16px}.boq-total-cell{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}