:root{--bg:#111216;--bg-2:#1a1c22;--card:#22242c;--line:#343844;--text:#f4f1ea;--muted:#a8a59c;--accent:#e23d2f;--accent-2:#f3c15b;--ok:#3dba7a;--warn:#e8a23c;--radius:14px;--shadow:0 12px 40px rgba(0,0,0,0.28)}*{box-sizing:border-box}body,html{margin:0;min-height:100%}body{font-family:Avenir Next,Segoe UI,Helvetica,sans-serif;background:radial-gradient(1200px 600px at 10% -10%,#2a1a18 0,transparent 50%),var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.nav{background:#0d0e12;border-right:1px solid var(--line);padding:22px 16px;display:flex;flex-direction:column;gap:6px}.brand-lockup{display:flex;align-items:center;gap:10px;margin:0 8px 18px}.brand-logo{display:block;border-radius:50%;background:#0b1a4a;box-shadow:0 0 0 2px #f4f1ea}.login-brand{display:flex;justify-content:center;margin-bottom:12px}.login-brand 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16%,transparent)}tr.lot-row.empty{background:color-mix(in srgb,var(--warn) 14%,transparent)}tr.lot-row.voided{opacity:.65}tr.lot-row .btn{padding:3px 10px;font-size:12px;line-height:1.2;border-radius:7px;font-weight:600;white-space:nowrap}tr.lot-row .row{gap:6px;flex-wrap:nowrap}tr.lot-row .add-lot{display:block;width:100%;max-width:560px;text-align:center}.lot-meta{display:inline-flex;align-items:center;gap:8px;white-space:nowrap}tr.lot-row input[type=date].cell{width:128px}tr.nested-row>td{background:var(--bg);padding:12px 16px 18px 56px}.nested{max-width:920px}button.row-toggle{background:none;border:0;color:inherit;font:inherit;padding:0;text-align:left;cursor:pointer}.chev{display:inline-block;width:0;height:0;margin-right:8px;border:5px solid transparent;border-left:5px solid var(--muted);transform:translateY(1px)}.chev.on{transform:translateY(2px) rotate(90deg);border-left-color:var(--accent-2)}table.matrix td,table.matrix th{text-align:center}table.matrix 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input.cell{width:88px}table.invoice-lines tr.nested-row>td{background:var(--bg);padding:12px 16px 18px 28px}.article-block h3{margin:0 0 8px;font-size:16px}button.qty-cell{min-width:44px;background:var(--bg-2);color:var(--text);border:1px solid var(--line);border-radius:8px;padding:8px 10px;font-weight:600;cursor:pointer}button.qty-cell.on{border-color:var(--accent);background:#3a221e}button.qty-cell.empty{font-weight:500;color:var(--muted);opacity:.7}@media (max-width:800px){.shell{grid-template-columns:1fr}.nav{flex-direction:row;flex-wrap:wrap}.nav .spacer{display:none}.main{padding:20px 16px 40px}}