:root{color:#17212b;font-synthesis:none;--ink:#17212b;--cobalt:#2457d6;--mist:#f2f4f7;--paper:#fff;--line:#d9dee7;--muted:#697586;--positive:#087a55;--negative:#b42318;--amber:#b85c00;background:#f2f4f7;font-family:Aptos,Noto Sans SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{background:var(--mist);min-width:320px;min-height:100vh;margin:0}button,input,select,textarea{font:inherit}button{color:inherit}button,select{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline-offset:1px;outline:3px solid #2457d638}svg{width:19px;height:19px}.app{min-height:100vh}.app-header{background:var(--ink);color:#fff;border-bottom:1px solid #273543;grid-template-columns:280px 1fr auto;align-items:center;height:62px;padding:0 22px;display:grid}.brand{color:#fff;background:0 0;border:0;align-items:center;gap:10px;padding:0;font-size:18px;display:flex}.brand span{background:var(--cobalt);place-items:center;width:32px;height:32px;display:grid}.app-header nav{align-items:stretch;gap:3px;height:100%;display:flex}.app-header nav button{color:#bcc6d1;background:0 0;border:0;border-bottom:3px solid #0000;align-items:center;gap:7px;padding:0 16px;font-size:14px;display:flex}.app-header nav button:hover{color:#fff}.app-header nav button.active{color:#fff;border-bottom-color:#7fa1ff}.app-header nav svg{width:16px}.header-actions{align-items:center;gap:14px;display:flex}.save-state{color:#aeb9c5;font-size:12px}.save-state.saved:before{content:"";vertical-align:1px;background:#60d3a9;border-radius:50%;width:6px;height:6px;margin-right:6px;display:inline-block}.save-state.error{color:#ffaca5}.export-button{color:#fff;background:#2a3948;border:1px solid #445466;align-items:center;gap:7px;padding:8px 12px;display:flex}.export-button:hover{background:#344657}.export-button svg{width:16px}.products-page{grid-template-columns:300px minmax(0,1fr);height:calc(100vh - 62px);display:grid}.product-nav{border-right:1px solid var(--line);background:#eef1f5;flex-direction:column;min-width:0;display:flex}.product-nav-head{grid-template-columns:1fr 38px;gap:8px;padding:16px 14px 10px;display:grid}.search-box{background:#fff;border:1px solid #cfd5df;align-items:center;gap:8px;min-width:0;height:38px;padding:0 10px;display:flex}.search-box svg{width:16px;color:var(--muted);flex:none}.search-box input{background:0 0;border:0;outline:0;width:100%;min-width:0;font-size:13px}.icon-button{background:#fff;border:1px solid #cbd2dc;place-items:center;width:38px;height:38px;padding:0;display:grid}.icon-button:hover{border-color:var(--cobalt);color:var(--cobalt)}.icon-button.danger:hover{border-color:var(--negative);color:var(--negative)}.product-count{color:var(--muted);padding:0 16px 9px;font-size:12px}.product-list{border-top:1px solid var(--line);overflow-y:auto}.product-row{text-align:left;background:0 0;border:0;border-bottom:1px solid #dfe4eb;width:100%;padding:13px 16px;display:block;position:relative}.product-row:before{content:"";background:0 0;width:4px;position:absolute;inset:0 auto 0 0}.product-row:hover{background:#e7ebf1}.product-row.active{background:#fff}.product-row.active:before{background:var(--cobalt)}.product-name{text-overflow:ellipsis;white-space:nowrap;font-size:14px;font-weight:650;display:block;overflow:hidden}.product-meta{color:var(--muted);justify-content:space-between;gap:10px;margin-top:5px;font-size:11px;display:flex}.product-meta i{color:var(--ink);font-variant-numeric:tabular-nums;font-style:normal}.empty{color:var(--muted);padding:22px 16px;font-size:13px}.workbench{grid-template-columns:minmax(520px,780px) minmax(230px,300px);justify-content:center;align-items:start;gap:24px;min-width:0;padding:28px;display:grid;overflow-y:auto}.editor{background:var(--paper);border:1px solid var(--line);min-width:0}.editor-title{border-bottom:1px solid var(--line);justify-content:space-between;align-items:flex-start;gap:20px;min-height:87px;padding:20px 22px;display:flex}.title-input{width:100%;color:var(--ink);letter-spacing:-.02em;background:0 0;border:0;outline:0;padding:0;font-size:24px;font-weight:720}.editor-title p{color:var(--muted);margin:5px 0 0;font-size:12px}.editor section{border-bottom:1px solid var(--line);padding:22px}h1,h2,h3,p{margin-top:0}.editor h2{margin-bottom:17px;font-size:15px}.section-heading{justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:16px;display:flex}.section-heading h2{margin-bottom:4px}.section-heading p{color:var(--muted);margin:0;font-size:12px}select{min-height:38px;color:var(--ink);background:#fff;border:1px solid #cbd2dc;border-radius:0;padding:0 30px 0 10px;font-size:13px}.field-grid{gap:15px;display:grid}.field-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.field-grid.single{max-width:250px}.package-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.field{color:#465363;flex-direction:column;gap:6px;min-width:0;font-size:12px;display:flex}.field>input,.field textarea{width:100%;min-height:40px;color:var(--ink);background:#fff;border:1px solid #cbd2dc;border-radius:0;padding:9px 10px}.field textarea{resize:vertical}.field small{color:var(--muted);line-height:1.45}.number-input{background:#fff;border:1px solid #cbd2dc;align-items:center;min-width:0;height:40px;display:flex}.number-input:focus-within{border-color:var(--cobalt)}.number-input input{width:100%;min-width:0;height:100%;color:var(--ink);font-variant-numeric:tabular-nums;background:0 0;border:0;outline:0;padding:0 7px 0 10px}.number-input b{color:#7a8593;flex:none;padding-right:9px;font-size:10px;font-weight:600}.method-switch{border:1px solid #cbd2dc;width:-moz-fit-content;width:fit-content;margin-bottom:17px;display:flex}.method-switch button{color:#576474;background:#f7f8fa;border:0;border-right:1px solid #cbd2dc;padding:8px 12px;font-size:12px}.method-switch button:last-child{border-right:0}.method-switch button.active{background:var(--ink);color:#fff}.calculated-field{border-left:3px solid var(--cobalt);background:#eef2fa;flex-direction:column;justify-content:center;min-height:65px;padding:8px 10px;display:flex}.calculated-field span{color:#465363;font-size:12px}.calculated-field strong{font-variant-numeric:tabular-nums;margin-top:3px;font-size:15px}.calculated-field small{color:var(--muted);margin-top:2px;font-size:10px}.formula-note{color:#445267;margin:13px 0 0;font-size:12px}.actual-input{border-top:1px dashed #cfd5df;max-width:310px;margin-top:20px;padding-top:18px}details{border-bottom:1px solid var(--line)}summary{cursor:pointer;padding:17px 22px;font-size:13px;font-weight:650}.details-body{padding:4px 22px 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spin{to{transform:rotate(360deg)}}@media (max-width:1050px){.workbench{grid-template-columns:minmax(480px,720px)}.result-ledger{grid-row:1;position:static}.margin-number{font-size:48px}}@media (max-width:760px){.app-header{grid-template-columns:1fr auto;row-gap:9px;height:auto;min-height:58px;padding:10px 13px}.brand span{width:29px;height:29px}.app-header nav{border-top:1px solid #334251;grid-area:2/1/auto/-1;justify-content:space-between}.app-header nav button{height:39px;padding:0 7px}.save-state{display:none}.products-page{grid-template-columns:1fr;height:auto;min-height:calc(100vh - 107px)}.product-nav{border-right:0;border-bottom:1px solid var(--line);max-height:240px}.product-list{display:flex;overflow:auto}.product-row{border-right:1px solid 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