:root{--color-primary:#466057;--color-primary-dark:#445b77;--color-accent:#eaaa45;--color-success:#4d555b;--color-success-bg:#a4b69a;--color-success-border:#8ba17e;--color-body-text:#30353a;--color-page-bg:#f2efe7;--color-muted:#9b917d;--color-overdue:#750c0c}*{box-sizing:border-box}input[type=text],input[type=date],input[type=number],input[type=search],input[type=email],input[type=tel],select,textarea{color:var(--color-body-text);background:#fff;border:1px solid #cdd4da;border-radius:4px;padding:6px 8px;font-family:inherit;font-size:14px}body{color:var(--color-body-text);background:var(--color-page-bg);margin:0;font-family:Roboto,-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif}a{color:var(--color-primary);text-decoration:none}a:hover,a:focus-visible{text-decoration:underline}button{cursor:pointer;font-family:inherit}.signin-page{justify-content:center;align-items:center;min-height:100vh;display:flex}.signin-card{text-align:center;background:#fff;border-radius:8px;width:100%;max-width:360px;padding:32px;box-shadow:0 1px 4px #0000001f}.signin-card h1{margin:0 0 4px;font-size:20px}.signin-card p{color:var(--color-muted);margin:0 0 20px;font-size:13px}.signin-btn{background:var(--color-primary);color:#fff;cursor:pointer;border:none;border-radius:4px;width:100%;margin-top:12px;padding:10px 20px;font-size:14px;display:block}.signin-btn:disabled{opacity:.6;cursor:default}.signin-btn-secondary{color:var(--color-primary);border:1px solid var(--color-primary);background:#fff}.signin-error{color:#b3261e;margin-top:12px;font-size:13px}.loading-screen{min-height:100vh;color:var(--color-muted);justify-content:center;align-items:center;display:flex}.app-shell{height:100vh;display:flex;overflow:hidden}.app-sidebar{background:var(--color-primary);color:#fff;flex-direction:column;flex-shrink:0;width:220px;height:100vh;padding:16px 0;display:flex;position:sticky;top:0;overflow-y:auto}.app-sidebar-header{padding:0 20px 2px;font-size:17px;font-weight:700}.app-sidebar-sub{opacity:.65;text-transform:uppercase;letter-spacing:.05em;padding:0 20px 16px;font-size:11px}.app-sidebar nav ul{margin:0;padding:0;list-style:none}.app-sidebar nav a{color:#fffc;border-left:3px solid #0000;padding:10px 20px;font-size:14px;text-decoration:none;display:block}.app-sidebar nav a:hover{background:#ffffff14}.app-sidebar nav a.active{color:#fff;border-left:3px solid var(--color-accent);background:#ffffff26;font-weight:600}.app-main{flex-direction:column;flex:1;min-width:0;height:100vh;display:flex;overflow:hidden}.app-topbar{background:#fff;border-bottom:1px solid #e2e6ea;flex-shrink:0;justify-content:space-between;align-items:center;gap:16px;padding:12px 24px;font-size:13px;display:flex}.app-topbar-right{align-items:center;gap:12px;display:flex}.app-content{flex:1;padding:24px;overflow-y:auto}.app-profile-menu{position:relative}.app-profile-menu-trigger{cursor:pointer;background:#fff;border:1px solid #cdd4da;border-radius:4px;padding:6px 12px;font-size:13px}.app-profile-menu-dropdown{z-index:20;background:#fff;border:1px solid #e2e6ea;border-radius:6px;flex-direction:column;min-width:160px;display:flex;position:absolute;top:calc(100% + 4px);right:0;overflow:hidden;box-shadow:0 4px 14px #0000001f}.app-profile-menu-dropdown button{text-align:left;color:inherit;cursor:pointer;background:#fff;border:none;padding:10px 14px;font-size:13px}.app-profile-menu-dropdown button:hover{background:var(--color-page-bg)}.app-bottom-nav-row{display:none}@media (width<=640px){.app-sidebar{display:none}.app-content{padding:16px 16px 66px}.app-bottom-nav-row{background:var(--color-primary);z-index:20;height:56px;display:flex;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -1px 6px #00000026}.app-bottom-nav-item{text-align:center;color:#fffc;cursor:pointer;background:0 0;border:none;border-top:3px solid #0000;flex:1;justify-content:center;align-items:center;padding:4px 2px;font-size:11px;line-height:1.2;text-decoration:none;display:flex}.app-bottom-nav-item.active{color:#fff;border-top:3px solid var(--color-accent);font-weight:600}}.page h1{margin-top:0;font-size:22px;font-weight:300}.page-note{color:var(--color-muted);margin-top:-8px;margin-bottom:20px;font-size:13px}.entity-table{border-collapse:collapse;background:#fff;border:1px solid #e3dbc7;border-radius:10px;width:100%;margin-top:12px;overflow:hidden;box-shadow:0 1px 4px #0000000f}.entity-table th,.entity-table td{text-align:left;vertical-align:middle;border-bottom:1px solid #eef1f3;padding:10px 14px;font-size:13px}.entity-table th{background:var(--color-page-bg);color:#445;text-transform:uppercase;letter-spacing:.04em;font-size:10px;font-weight:600}.entity-table tr:last-child td{border-bottom:none}.entity-table td.num,.entity-table th.num{text-align:right;font-variant-numeric:tabular-nums}.notice{border-left:4px solid var(--color-accent);background:#fef3c7;border-radius:0 4px 4px 0;margin-bottom:16px;padding:10px 14px;font-size:13px}.notice-red{border-left-color:var(--color-overdue);background:#fee2e2}.btn{cursor:pointer;white-space:nowrap;border:1px solid #0000;border-radius:4px;align-items:center;gap:6px;padding:7px 14px;font-family:inherit;font-size:13px;text-decoration:none;display:inline-flex}.btn-primary{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.btn-primary:hover{background:#3a5249;border-color:#3a5249}.btn-secondary{color:var(--color-primary-dark);background:#fff;border-color:#cdd4da}.btn-secondary:hover{background:var(--color-page-bg)}.btn:disabled{opacity:.5;cursor:default}.empty-state{text-align:center;color:var(--color-muted);padding:40px 20px;font-size:14px}.boq-filters-row{flex-wrap:nowrap;gap:8px;margin-bottom:10px;display:flex}.boq-filters-row select{flex:1 1 0;min-width:0}.boq-search-row{gap:10px;margin-bottom:14px;display:flex}.boq-search-row input{flex:320px}.section-tabs{gap:10px;margin:20px 0 0;display:flex}.section-tab{color:var(--color-primary-dark);cursor:pointer;background:#fff;border:none;border-bottom:3px solid #0000;border-radius:8px 8px 0 0;padding:9px 22px;font-size:13px;font-weight:600;text-decoration:none;box-shadow:0 -1px 3px #0000000f}.section-tab:hover{background:var(--color-page-bg)}.section-tab.active{border-bottom:3px solid var(--color-accent)}.section-tab-panel{background:#fff;border:1px solid #e3dbc7;border-radius:0 10px 10px;margin-bottom:1.5rem;padding:1.5rem 1.5rem 1.25rem;box-shadow:0 1px 3px #0000000f}.detail-section{background:#fff;border:1px solid #e3dbc7;border-radius:10px;margin-top:28px;padding:1.25rem 1.5rem;box-shadow:0 1px 3px #0000000f}.detail-section h2{color:var(--color-primary-dark);justify-content:space-between;align-items:center;gap:12px;margin-top:0;font-size:16px;font-weight:600;display:flex}.btn-icon{cursor:pointer;border:none;border-radius:4px;justify-content:center;align-items:center;width:28px;height:28px;padding:0;font-size:16px;font-weight:700;line-height:1;display:inline-flex}.btn-icon-add{background:var(--color-primary);color:#fff}.btn-icon-add:hover{background:#3a5249}.btn-icon-remove{background:var(--color-overdue);color:#fff}.btn-icon-remove:hover{background:#5c0909}