:root{--bg:#f3f5f8;--surface:#fff;--surface-2:#f7f9fb;--border:#dde3ea;--border-strong:#c5cfda;--text:#1b2430;--muted:#5f6b7a;--primary:#1f4e79;--primary-hover:#183f63;--primary-soft:#e6eef6;--on-primary:#fff;--danger:#b42318;--danger-soft:#fdecea;--warn:#9a5b00;--warn-soft:#fff4e0;--ok:#1d7a46;--ok-soft:#e5f5ec;--focus:#3b82c4;--shadow:0 1px 2px #1018280f, 0 1px 3px #10182814;--radius:8px;--sidebar:220px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#12161c;--surface:#1a2029;--surface-2:#202834;--border:#2c3644;--border-strong:#3a4656;--text:#e6ebf1;--muted:#9aa6b5;--primary:#5b9bd5;--primary-hover:#74acdf;--primary-soft:#1d2d40;--on-primary:#0c1724;--danger:#f2877b;--danger-soft:#3a1f1d;--warn:#f0b860;--warn-soft:#3a2c14;--ok:#6fcf97;--ok-soft:#173326;--shadow:0 1px 2px #0006;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}:root[data-theme=dark]{--bg:#12161c;--surface:#1a2029;--surface-2:#202834;--border:#2c3644;--border-strong:#3a4656;--text:#e6ebf1;--muted:#9aa6b5;--primary:#5b9bd5;--primary-hover:#74acdf;--primary-soft:#1d2d40;--on-primary:#0c1724;--danger:#f2877b;--danger-soft:#3a1f1d;--warn:#f0b860;--warn-soft:#3a2c14;--ok:#6fcf97;--ok-soft:#173326;--shadow:0 1px 2px #0006;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;font:14px/1.45 system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}h1,h2,h3,h4{margin:0;line-height:1.25}h1{font-size:20px}h2{font-size:16px}h3{font-size:14px}a{color:var(--primary)}.muted{color:var(--muted)}.small{font-size:12px}.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}.nowrap{white-space:nowrap}.grow{flex:1}.row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.row.between{justify-content:space-between}.stack{flex-direction:column;gap:12px;display:flex}.stack-lg{flex-direction:column;gap:20px;display:flex}.grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;display:grid}.grid-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:16px;display:grid}.app{grid-template-columns:var(--sidebar) 1fr;height:100%;display:grid}.sidebar{background:var(--surface);border-right:1px solid var(--border);flex-direction:column;gap:4px;height:100vh;padding:16px 10px;display:flex;position:sticky;top:0}.brand{align-items:center;gap:10px;padding:4px 8px 16px;font-size:17px;font-weight:700;display:flex}.brand img{width:30px;height:30px}.nav-link{color:var(--text);border-radius:6px;align-items:center;gap:10px;padding:8px 10px;font-weight:500;text-decoration:none;display:flex}.nav-link:hover{background:var(--surface-2)}.nav-link.active{background:var(--primary-soft);color:var(--primary)}.nav-link svg{flex:none}.sidebar .spacer{flex:1}.main{min-width:0;height:100vh;overflow:auto}.page{max-width:1400px;margin:0 auto;padding:24px 28px 48px}.page-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px;display:flex}@media (width<=820px){.app{grid-template-rows:auto 1fr;grid-template-columns:1fr}.sidebar{border-right:0;border-bottom:1px solid var(--border);flex-flow:wrap;height:auto;padding:8px 12px;position:static}.brand{padding:4px 8px}.sidebar .spacer{display:none}.main{height:auto}.page{padding:16px}}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.card-head>.row{flex-shrink:0}.card-head{border-bottom:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;padding:12px 16px;display:flex}.card-body{padding:16px}.card-body.tight{padding:0}.btn{border:1px solid var(--border-strong);background:var(--surface);height:34px;color:var(--text);font:inherit;cursor:pointer;white-space:nowrap;border-radius:6px;justify-content:center;align-items:center;gap:6px;padding:0 14px;font-weight:500;text-decoration:none;display:inline-flex}.btn:hover{background:var(--surface-2)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn.primary{background:var(--primary);border-color:var(--primary);color:var(--on-primary)}.btn.primary:hover:not(:disabled){background:var(--primary-hover)}.btn.danger{color:var(--danger)}.btn.danger:hover{background:var(--danger-soft)}.btn.ghost{background:0 0;border-color:#0000}.btn.ghost:hover{background:var(--surface-2)}.btn.sm{height:28px;padding:0 10px;font-size:13px}.btn.icon{width:30px;height:30px;padding:0}.btn.icon.sm{width:26px;height:26px}:focus-visible{outline:2px solid var(--focus);outline-offset:1px}.field{flex-direction:column;gap:4px;min-width:0;display:flex}.field>span{color:var(--muted);font-size:12px;font-weight:600}.field .hint{color:var(--muted);font-size:12px}input[type=text],input[type=email],input[type=password],input[type=date],input[type=search],input:not([type]),select,textarea{border:1px solid var(--border-strong);background:var(--surface);height:34px;color:var(--text);font:inherit;border-radius:6px;width:100%;min-width:0;padding:0 10px}textarea{resize:vertical;height:auto;min-height:72px;padding:8px 10px}input.num-input{text-align:right;font-variant-numeric:tabular-nums}input.invalid,textarea.invalid{border-color:var(--danger);background:var(--danger-soft)}.check{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:8px;display:inline-flex}.check input{width:16px;height:16px;accent-color:var(--primary)}.input-unit{align-items:center;display:flex;position:relative}.input-unit input{padding-right:var(--unit-pad,42px)}select.grain-select{min-width:170px}.input-unit em{color:var(--muted);pointer-events:none;font-size:12px;font-style:normal;position:absolute;right:10px}.table-wrap{overflow-x:auto}table.data{border-collapse:collapse;width:100%}table.data th{text-align:left;color:var(--muted);border-bottom:1px solid var(--border);background:var(--surface-2);white-space:nowrap;padding:8px 10px;font-size:12px;font-weight:600}table.data td{border-bottom:1px solid var(--border);vertical-align:middle;padding:6px 10px}table.data tr:last-child td{border-bottom:0}table.data.edit td{padding:4px}table.data.edit td:first-child,table.data.edit th:first-child{padding-left:12px}table.data.edit input,table.data.edit select{background:0 0;border-color:#0000;height:30px}table.data.edit input:hover,table.data.edit select:hover{border-color:var(--border)}table.data.edit input:focus,table.data.edit select:focus{border-color:var(--focus);background:var(--surface)}table.data tr.clickable{cursor:pointer}table.data tr.clickable:hover td{background:var(--surface-2)}table.data tfoot td{background:var(--surface-2);font-weight:600}tr.auto-line td{background:var(--primary-soft)}.badge{background:var(--surface-2);height:22px;color:var(--muted);border:1px solid var(--border);white-space:nowrap;border-radius:11px;align-items:center;padding:0 8px;font-size:12px;font-weight:600;display:inline-flex}.badge.draft{background:var(--surface-2)}.badge.sent{background:var(--primary-soft);color:var(--primary);border-color:#0000}.badge.accepted{background:var(--ok-soft);color:var(--ok);border-color:#0000}.badge.rejected{background:var(--danger-soft);color:var(--danger);border-color:#0000}.badge.ai{color:#6a3fb5;background:#efe7fb;border-color:#0000}.alert{border-radius:var(--radius);border:1px solid var(--border);background:var(--surface-2);align-items:flex-start;gap:10px;padding:10px 14px;display:flex}.alert.warn{background:var(--warn-soft);color:var(--warn);border-color:#0000}.alert.error{background:var(--danger-soft);color:var(--danger);border-color:#0000}.alert.ok{background:var(--ok-soft);color:var(--ok);border-color:#0000}.alert.info{background:var(--primary-soft);color:var(--primary);border-color:#0000}.empty{text-align:center;color:var(--muted);padding:40px 16px}.stat{padding:14px 16px}.stat .label{color:var(--muted);font-size:12px;font-weight:600}.stat .value{font-variant-numeric:tabular-nums;font-size:22px;font-weight:700}.stat .sub{color:var(--muted);font-size:12px}.tabs{border-bottom:1px solid var(--border);gap:2px;margin-bottom:18px;display:flex;overflow-x:auto}.tab{color:var(--muted);font:inherit;cursor:pointer;white-space:nowrap;background:0 0;border:0;border-bottom:2px solid #0000;padding:9px 14px;font-weight:600;text-decoration:none}.tab:hover{color:var(--text)}.tab.active{color:var(--primary);border-bottom-color:var(--primary)}.stepper{grid-template-columns:repeat(6,1fr);gap:6px;margin-bottom:20px;display:grid}.step{border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);color:var(--muted);align-items:center;gap:10px;min-width:0;padding:10px 12px;text-decoration:none;display:flex}.step .n{background:var(--surface-2);border:1px solid var(--border-strong);border-radius:50%;flex:none;place-items:center;width:24px;height:24px;font-size:12px;font-weight:700;display:grid}.step .t{white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:600;overflow:hidden}.step.active{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}.step.active .n{background:var(--primary);color:var(--on-primary);border-color:var(--primary)}.step.done .n{background:var(--ok-soft);color:var(--ok);border-color:#0000}@media (width<=1100px){.stepper{grid-template-columns:repeat(3,1fr)}}.step-nav{justify-content:space-between;margin-top:24px;display:flex}.modal-backdrop{z-index:50;background:#0a101873;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.modal{background:var(--surface);border-radius:10px;flex-direction:column;width:min(920px,100%);max-height:calc(100vh - 32px);display:flex;box-shadow:0 20px 40px #00000040}.modal.narrow{width:min(520px,100%)}.modal-head{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:14px 18px;display:flex}.modal-body{padding:18px;overflow:auto}.modal-foot{border-top:1px solid var(--border);justify-content:flex-end;gap:8px;padding:12px 18px;display:flex}.toast{z-index:60;max-width:420px;position:fixed;bottom:20px;right:20px;box-shadow:0 8px 24px #0000002e}.edge-picker{align-items:center;gap:6px;display:inline-flex}.edge-picker svg{display:block}.edge-picker .side{cursor:pointer}.sheet-grid{grid-template-columns:repeat(auto-fill,minmax(420px,1fr));gap:16px;display:grid}.sheet-card svg{width:100%;height:auto;display:block}.legend{color:var(--muted);flex-wrap:wrap;gap:12px;font-size:12px;display:flex}.legend i{vertical-align:-2px;border-radius:2px;width:12px;height:12px;margin-right:4px;display:inline-block}.log{background:var(--surface-2);border:1px solid var(--border);white-space:pre-wrap;border-radius:6px;max-height:260px;padding:10px 12px;font:12px/1.6 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;overflow:auto}code{background:var(--surface-2);border:1px solid var(--border);border-radius:4px;padding:1px 5px;font:12px ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.formula-help{flex-wrap:wrap;gap:6px;display:flex}.formula-help button{border:1px solid var(--border);background:var(--surface-2);color:var(--text);cursor:pointer;border-radius:4px;padding:2px 6px;font:12px ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.totals{min-width:300px;margin-left:auto}.totals .line{justify-content:space-between;gap:24px;padding:4px 0;display:flex}.totals .line.big{border-top:2px solid var(--text);margin-top:6px;padding-top:8px;font-size:18px;font-weight:700}.paper-wrap{border-radius:var(--radius);background:#8a939f;padding:24px;overflow:auto}.paper{--ink:#1b2430;--line:#d5dbe3;--accent:#1f4e79;width:210mm;min-height:297mm;color:var(--ink);background:#fff;margin:0 auto;padding:16mm 15mm 18mm;font-size:10pt;line-height:1.4;box-shadow:0 4px 18px #00000040}.paper .doc-head{border-bottom:2px solid var(--accent);justify-content:space-between;gap:16px;padding-bottom:10px;display:flex}.paper .doc-head img{object-fit:contain;max-width:60mm;max-height:22mm}.paper .company{color:#4a5563;font-size:9pt}.paper .company strong{color:var(--ink);font-size:11pt}.paper .doc-title{text-align:right}.paper .doc-title h1{color:var(--accent);letter-spacing:.5px;font-size:20pt}.paper .parties{grid-template-columns:1fr 1fr;gap:16px;margin:14px 0;display:grid}.paper .party{border:1px solid var(--line);border-radius:4px;padding:8px 10px;font-size:9.5pt}.paper .party .lbl{text-transform:uppercase;letter-spacing:.6px;color:#6b7684;margin-bottom:2px;font-size:8pt}.paper table{border-collapse:collapse;width:100%;font-size:9.5pt}.paper th{background:var(--accent);color:#fff;text-align:left;padding:5px 6px;font-weight:600}.paper td{border-bottom:1px solid var(--line);vertical-align:top;padding:4px 6px}.paper tr.group td{border-bottom:1px solid var(--line);background:#eef2f7;font-weight:700}.paper tr.subtotal td{border-bottom:1px solid #b9c2cd;font-weight:600}.paper .doc-totals{width:78mm;margin:12px 0 0 auto}.paper .doc-totals .line{justify-content:space-between;padding:3px 0;display:flex}.paper .doc-totals .grand{border-top:2px solid var(--accent);color:var(--accent);margin-top:4px;padding-top:6px;font-size:12pt;font-weight:700}.paper .doc-notes{color:#3d4652;margin-top:16px;font-size:9pt}.paper .doc-notes h4{text-transform:uppercase;letter-spacing:.6px;color:#6b7684;margin:10px 0 2px;font-size:9pt}.paper .signature{color:#4a5563;grid-template-columns:1fr 1fr;gap:24px;margin-top:28px;font-size:9pt;display:grid}.paper .signature div{border-top:1px solid #9aa4b1;padding-top:4px}@media print{@page{size:A4;margin:0}body{background:#fff}.no-print,.sidebar,.stepper,.page-head,.step-nav,.toast{display:none!important}.app{display:block}.main{height:auto;overflow:visible}.page{max-width:none;padding:0}.paper-wrap{background:0 0;padding:0}.paper{box-shadow:none;width:auto;min-height:0;margin:0}.paper tr{break-inside:avoid}}.grid .span-2{grid-column:span 2}@media (width<=560px){.grid .span-2{grid-column:auto}}.auth-wrap{place-items:center;min-height:100vh;padding:24px 16px;display:grid}.auth-card{width:min(440px,100%);padding:28px}.sync-status{color:var(--muted);align-items:center;gap:8px;padding:6px 10px;font-size:12px;display:flex}.sync-status .dot{background:var(--ok);border-radius:50%;width:8px;height:8px}.sync-status .dot.saving{background:var(--warn)}.sync-status .dot.off{background:var(--danger)}.user-box{border-top:1px solid var(--border);align-items:center;gap:6px;padding:8px 6px 0 10px;display:flex}.user-name{min-width:0;color:var(--text);flex-direction:column;flex:1;text-decoration:none;display:flex}.user-name strong{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.offline-banner{border-radius:0}.link-box{gap:8px;display:flex}.link-box input{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px}.btn.disabled{opacity:.55;pointer-events:none}.card-head .row select{width:auto;min-width:180px}