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.15s}.sp-calculator .sp-builder-link:hover{border-color:var(--color-brand-300);background:var(--color-brand-50)}.sp-calculator .sp-builder-link:hover .sp-builder-arrow{color:var(--color-brand-700);transform:translate(1px,-1px)}.sp-calculator .sp-shapes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.sp-calculator .sp-shape{position:relative;display:flex;min-width:0;flex-direction:column;align-items:center;gap:3px;padding:9px 4px 10px;border:1px solid #e2e8f0;border-radius:10px;background:#fff;cursor:pointer;transition:border-color .15s,background-color .15s,box-shadow .15s}.sp-calculator .sp-shape-glyph{width:40px;height:40px;color:#475569;transition:color .15s}.sp-calculator .sp-shape>span{overflow:hidden;max-width:100%;color:#334155;font-size:12.5px;font-weight:600;line-height:16px;text-overflow:ellipsis;white-space:nowrap}.sp-calculator .sp-shape:hover{border-color:var(--color-brand-300);box-shadow:0 1px 3px rgb(15 23 42/.06)}.sp-calculator .sp-shape:hover .sp-shape-glyph{color:var(--color-brand-700)}.sp-calculator .sp-shape[data-selected=true]{border-color:var(--color-brand-600);background:var(--color-brand-50);box-shadow:inset 0 0 0 1px var(--color-brand-600)}.sp-calculator .sp-shape[data-selected=true] .sp-shape-glyph{color:var(--color-brand-700)}.sp-calculator .sp-shape[data-selected=true]>span{color:var(--color-brand-900)}.sp-calculator .sp-shape[data-selected=true]:after{position:absolute;top:7px;right:7px;width:6px;height:6px;border-radius:50%;background:var(--color-brand-600);content:""}.sp-calculator .sp-workspace{display:grid;gap:20px;align-items:start;margin-top:20px}.sp-calculator .sp-input-panel{min-width:0}.sp-calculator .sp-panel,.sp-calculator .sp-results{overflow:hidden;border:1px solid #e2e8f0;border-radius:12px;background:#fff;box-shadow:0 1px 2px rgb(15 23 42/.04)}.sp-calculator .sp-panel{container-type:inline-size}.sp-calculator .sp-panel-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 16px;padding:14px 18px;border-bottom:1px solid #e2e8f0}.sp-calculator .sp-panel-title{min-width:0;flex:1 1 0}.sp-calculator .sp-panel-title h3{color:#0f172a;font-size:16px;font-weight:700;line-height:22px}.sp-calculator .sp-units{display:flex;flex:none;align-items:center;gap:4px}.sp-calculator .sp-units-box{display:inline-flex;height:34px;align-items:center;padding-left:9px;border:1px solid #cbd5e1;border-radius:8px;background:#fff;transition:border-color .15s,box-shadow .15s}.sp-calculator .sp-units-box:hover{border-color:#94a3b8}.sp-calculator .sp-units-box:focus-within{border-color:var(--color-brand-500);box-shadow:0 0 0 3px var(--color-brand-100)}.sp-calculator .sp-units-icon{width:15px;height:15px;flex:none;color:#64748b}.sp-calculator .sp-units select{appearance:none;height:100%;padding:0 28px 0 6px;border:0;background:transparent url("data:image/svg+xml,%3Csvg 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text{fill:var(--color-brand-700)}.sp-calculator .sp-view-bar{display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;padding:7px 10px;border-top:1px solid #e2e8f0;background:#fff}.sp-calculator .sp-library-button{display:inline-flex;height:32px;align-items:center;gap:7px;padding:0 12px;border:1px solid #cbd5e1;border-radius:8px;background:#fff;color:var(--color-brand-800);font-size:13px;font-weight:600;white-space:nowrap;cursor:pointer;transition:background-color .15s,border-color .15s,color .15s}.sp-calculator .sp-library-button svg{width:15px;height:15px;flex:none;color:var(--color-brand-600)}.sp-calculator .sp-library-button:hover{border-color:var(--color-brand-300);background:var(--color-brand-50);color:var(--color-brand-900)}.sp-calculator .sp-dimensions-button{margin-left:auto}.sp-calculator .sp-view-meta{min-width:0;color:#5f6f86;font-size:12.5px;font-weight:600}.sp-calculator .sp-legend-pop{margin-left:auto}.sp-calculator .sp-legend-button[aria-expanded=true]{background:#eef2f7}.sp-calculator .sp-legend{display:grid;gap:8px;width:max-content;padding:12px 14px;color:#475569;font-size:12.5px;line-height:18px}.sp-calculator .sp-legend span{display:flex;align-items:center;gap:8px;white-space:nowrap}.sp-calculator .sp-legend svg{width:22px;height:14px;flex:none;color:var(--color-brand-900)}.sp-calculator .sp-steel-drawing{position:relative;display:flex;min-height:340px;flex:1 1 auto;align-items:center;justify-content:center;padding:12px;background-color:#f8fafc;background-image:linear-gradient(#e7edf2 1px,transparent 0),linear-gradient(90deg,#e7edf2 1px,transparent 0);background-size:16px 16px;background-position:-1px -1px}.sp-calculator .sp-steel-drawing>svg{position:absolute;inset:14px;width:calc(100% - 28px);height:calc(100% - 28px)}.sp-calculator .sp-panel-side{min-width:0;padding:16px 18px 18px}.sp-calculator .sp-panel-side .sp-steel-picker{padding:0;border:0;border-radius:0;box-shadow:none}.sp-calculator .sp-steel-opening{padding:40px 0;color:#5f6f86;font-size:14px;text-align:center}@container (min-width: 700px){.sp-calculator .sp-panel-body{grid-template-columns:minmax(0,1.12fr) minmax(0,1fr)}.sp-calculator .sp-diagram{border-right:1px solid #e2e8f0;border-bottom:0}.sp-calculator .sp-sketch{min-height:340px}.sp-calculator .sp-steel-body{grid-template-columns:minmax(0,1fr)}}.sp-calculator .sp-steel-body .sp-diagram{border-right:0;border-bottom:0}.sp-calculator .sp-steel-body .sp-steel-drawing{min-height:380px}.sp-calculator .sp-dimension-form{display:flex;min-width:0;flex-direction:column;padding:14px 14px 16px;container-type:inline-size}.sp-calculator .sp-form-error{margin:0 4px 10px;padding:8px 10px;border:1px solid #fecaca;border-radius:8px;background:#fef2f2;color:#b91c1c;font-size:13px;font-weight:500;line-height:19px}.sp-calculator .sp-form-error:empty{display:none}.sp-calculator .sp-fields{display:grid;gap:2px}.sp-calculator .sp-field{display:grid;grid-template-columns:40px minmax(0,1fr);align-items:center;gap:10px;padding:6px;border-radius:9px;transition:background-color .15s}.sp-calculator .sp-field[data-active]{background:var(--color-brand-50)}.sp-calculator .sp-field label{display:contents}.sp-calculator .sp-field-symbol{display:inline-flex;height:26px;align-items:center;justify-content:center;border:1px solid var(--color-brand-200);border-radius:6px;background:#fff;color:var(--color-brand-800);font-family:var(--font-mono);font-size:12.5px;font-weight:600;transition:background-color .15s,border-color .15s,color .15s;cursor:pointer}.sp-calculator .sp-field[data-active] .sp-field-symbol{border-color:var(--color-brand-600);background:var(--color-brand-600);color:#fff}.sp-calculator .sp-field-symbol[data-optional]{border-style:dashed}.sp-calculator .sp-field-input{display:flex;min-width:0;border-radius:8px;transition:box-shadow .15s}.sp-calculator .sp-field-input:focus-within{box-shadow:0 0 0 3px var(--color-brand-100)}.sp-calculator .sp-field-input input{width:0;min-width:0;height:40px;flex:1;padding:0 10px;border:1px solid #cbd5e1;border-radius:8px 0 0 8px;background:#fff;color:#0f172a;font-family:var(--font-mono);font-size:14.5px;font-weight:500;font-variant-numeric:tabular-nums;outline:none;transition:border-color .15s}.sp-calculator .sp-field-input input::placeholder{color:#94a3b8}.sp-calculator .sp-field-input input:hover{border-color:#94a3b8}.sp-calculator .sp-field-input input:focus{border-color:var(--color-brand-500)}.sp-calculator .sp-field-input input[aria-invalid]{border-color:#f87171;background-color:#fef2f2}.sp-calculator .sp-field-input .ke-unit-select{width:4.25rem;border-radius:0 8px 8px 0}.sp-calculator .sp-field-input .ke-unit-select:focus{box-shadow:none}.sp-calculator .sp-field-input .ke-unit-select:not([data-chosen]){background-color:#fff;color:#5f6f86}.sp-calculator .sp-form-actions{display:flex;align-items:center;gap:6px;margin-top:auto;padding:12px 6px 0}.sp-calculator .sp-icon-button.sp-tool-button{width:40px;height:40px;flex:none;border:1px solid #cbd5e1;border-radius:8px;background:#fff;color:#334155}.sp-calculator .sp-icon-button.sp-tool-button:hover{border-color:#94a3b8;background:#f8fafc;color:#0f172a}.sp-calculator .sp-calculate-button{display:inline-flex;height:40px;min-width:0;flex:1;align-items:center;justify-content:center;gap:7px;padding:0 18px;border-radius:8px;border:1px solid var(--color-brand-700);background:var(--color-brand-700);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background-color .15s,border-color .15s,color .15s}.sp-calculator .sp-calculate-button svg{width:15px;height:15px}.sp-calculator .sp-calculate-button:hover{border-color:var(--color-brand-800);background:var(--color-brand-800)}.sp-calculator .sp-calculate-button:disabled{cursor:progress;opacity:.85}.sp-calculator .sp-spin{animation:sp-spin .8s linear infinite}@keyframes sp-spin{to{transform:rotate(1turn)}}.sp-calculator .sp-results{display:flex;min-width:0;flex-direction:column;scroll-margin-top:96px;container-type:inline-size}.sp-calculator .sp-results:focus{outline:none}.sp-calculator .sp-results-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px;border-bottom:1px solid #e2e8f0}.sp-calculator .sp-results-head h3{color:#0f172a;font-size:16px;font-weight:700;line-height:22px}.sp-calculator .sp-head-actions{display:flex;gap:2px;margin:-4px -6px -4px 0}.sp-calculator .sp-icon-button{display:inline-flex;width:32px;height:32px;align-items:center;justify-content:center;border:0;border-radius:6px;background:transparent;color:var(--color-brand-800);cursor:pointer;transition:background-color .15s,color .15s}.sp-calculator .sp-icon-button svg{width:16px;height:16px}.sp-calculator .sp-icon-button:hover{background:#eef2f7;color:var(--color-brand-900)}.sp-calculator .sp-material{display:grid;gap:2px;margin-top:8px;padding-top:8px;border-top:1px solid #e2e8f0}.sp-calculator .sp-material .sp-field-symbol{cursor:default}.sp-calculator .sp-material .sp-field-symbol sub{font-size:9.5px}.sp-calculator .sp-material input[aria-invalid]{border-color:#f87171}.sp-calculator .sp-table-wrap{overflow-x:auto}.sp-calculator #section-properties-table{width:100%;border-collapse:collapse;font-size:14px;text-align:left}.sp-calculator #section-properties-table thead th{padding:8px 16px;text-align:left;border-bottom:1px solid #e2e8f0;background:#f8fafc;color:#5f6f86;font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase}.sp-calculator #section-properties-table tbody th[scope=row],.sp-calculator #section-properties-table td{height:38px;padding:3px 16px;text-align:left;border-top:1px solid #f1f5f9;font-weight:400;vertical-align:middle}.sp-calculator #section-properties-table tbody tr:first-child td,.sp-calculator #section-properties-table tbody tr:first-child th[scope=row]{border-top:0}.sp-calculator #section-properties-table tbody tr:hover td,.sp-calculator #section-properties-table tbody tr:hover th[scope=row]{background:#fbfcfd}.sp-calculator #section-properties-table .sp-group-row td,.sp-calculator #section-properties-table .sp-group-row th{height:auto;padding:6px 18px;border-top:1px solid #e2e8f0;border-bottom:1px solid #f1f5f9;background:#f8fafc;color:#5f6f86;font-size:11px;font-weight:600;letter-spacing:.06em;text-align:left;text-transform:uppercase}.sp-calculator #section-properties-table .sp-group-row td.sp-unit-cell{padding:3px 12px 3px 2px;letter-spacing:0;text-transform:none}.sp-calculator #section-properties-table .sp-symbol-cell{width:1%;padding-right:4px;white-space:nowrap}.sp-calculator .sp-symbol{color:var(--color-brand-900);font-family:var(--font-mono);font-size:13.5px;font-weight:600}.sp-calculator .sp-symbol sub{font-size:10px}.sp-calculator tbody .sp-property-cell{color:#334155;line-height:18px}.sp-calculator #section-properties-table td.sp-value-cell{padding-right:4px;color:#0f172a;font-family:var(--font-mono);font-size:13.5px;font-weight:500;font-variant-numeric:tabular-nums;text-align:right;white-space:nowrap}.sp-calculator #section-properties-table th.sp-value-cell{padding-right:4px;text-align:right}.sp-calculator .sp-results:not([data-ready]) #section-properties-table td.sp-value-cell{color:#94a3b8}.sp-calculator #section-properties-table td.sp-unit-cell,.sp-calculator #section-properties-table th.sp-unit-cell{width:1%;padding-left:2px;padding-right:12px;white-space:nowrap}.sp-calculator #section-properties-table thead th.sp-unit-cell{padding-left:10px}.sp-calculator #section-properties-table .sp-unit-cell>span{width:6.75rem}.sp-calculator #section-properties-table .sp-unit-text{padding-left:10px;color:#5f6f86;font-size:13px}.sp-calculator .sp-table-empty{padding:40px 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.sp-action:hover:not(:disabled){border-color:var(--color-brand-300);background:var(--color-brand-50);color:var(--color-brand-900)}.sp-calculator .sp-action:disabled{cursor:not-allowed;opacity:.55}.sp-calculator .sp-action-primary{border-color:var(--color-brand-700);color:var(--color-brand-800)}.sp-calculator .sp-result-status{margin-top:6px;color:#5f6f86;font-size:12.5px;line-height:18px}.sp-calculator #section-copy-fallback{width:100%;margin-top:10px;padding:8px;border:1px solid #94a3b8;border-radius:6px;font:12px/18px var(--font-mono)}.sp-calculator .sp-primary-button{display:flex;width:100%;min-height:42px;margin-top:8px;align-items:center;justify-content:center;gap:8px;padding:0 18px;border:1px solid var(--color-brand-800);border-radius:8px;background:var(--color-brand-800);color:#fff;font-size:14px;font-weight:600;text-decoration:none;white-space:nowrap;transition:background-color .15s,border-color .15s}.sp-calculator .sp-primary-button svg{width:16px;height:16px;transition:transform .15s}.sp-calculator .sp-primary-button:hover{border-color:var(--color-brand-900);background:var(--color-brand-900);color:#fff}.sp-calculator .sp-primary-button:hover svg{transform:translateX(2px)}.sp-calculator .sp-custom-link{margin-top:12px;color:#5f6f86;font-size:13px;line-height:22px}.sp-calculator [data-tip]{position:relative}.sp-calculator [data-tip]:after{position:absolute;z-index:40;bottom:calc(100% + 6px);left:0;padding:4px 8px;border-radius:6px;background:#0f172a;color:#fff;content:attr(data-tip);font-family:var(--font-sans,inherit);font-size:12px;font-weight:500;letter-spacing:0;line-height:16px;text-transform:none;white-space:nowrap;pointer-events:none;opacity:0;visibility:hidden;transform:translateY(2px);transition:opacity .12s,transform .12s,visibility 0s linear .12s}.sp-calculator [data-tip][data-tip-side=below]:after{top:calc(100% + 6px);bottom:auto;transform:translateY(-2px)}.sp-calculator [data-tip][data-tip-align=end]:after{right:0;left:auto}.sp-calculator .sp-field:focus-within .sp-field-symbol[data-tip]:after,.sp-calculator [data-tip]:focus-visible:after{opacity:1;visibility:visible;transform:none;transition:opacity .12s .2s,transform .12s .2s,visibility 0s linear .2s}@media (hover:hover){.sp-calculator .sp-field:hover .sp-field-symbol[data-tip]:after,.sp-calculator [data-tip]:hover:after{opacity:1;visibility:visible;transform:none;transition:opacity .12s .3s,transform .12s .3s,visibility 0s linear .3s}}@media (min-width:640px){.sp-calculator .sp-shapes{grid-template-columns:repeat(5,minmax(0,1fr))}.sp-calculator .sp-shape{flex-direction:row;justify-content:center;gap:10px;padding:7px 10px}.sp-calculator .sp-shape-glyph{width:32px;height:32px;flex:none}}@media (min-width:1100px){.sp-calculator .sp-workspace{grid-template-columns:minmax(0,1.6fr) minmax(0,1fr)}}@media (max-width:639px){.section-properties-page .sp-calculator{padding-top:18px}.sp-calculator 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th.sp-unit-cell{padding-left:0;padding-right:8px}.sp-calculator #section-properties-table thead th.sp-unit-cell{padding-left:8px}.sp-calculator #section-properties-table .sp-unit-cell>span{width:5.5rem}@supports (field-sizing:content){.sp-calculator #section-properties-table .sp-unit-cell>span{width:100%}.sp-calculator #section-properties-table .sp-unit-cell select{width:100%;min-width:4rem;field-sizing:content}}.sp-calculator tbody .sp-property-cell{font-size:12.5px;line-height:16px}}@media (max-width:380px){.sp-calculator #section-properties-table thead th{letter-spacing:.03em}.sp-calculator #section-properties-table td.sp-value-cell{font-size:12px}}@media (prefers-reduced-motion:reduce){.sp-calculator *,.sp-calculator :after,.sp-calculator :before{transition:none!important}.sp-calculator .sp-spin{animation-duration:2.4s}}.section-properties-page .sp-steel-dialog{display:grid;gap:16px}.section-properties-page .sp-steel-dialog 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