:root{--blue-900:#0f2f66;--blue-700:#1d4ed8;--blue-600:#2563eb;--blue-500:#3b82f6;--blue-50:#eef4ff;--green-600:#16a34a;--green-50:#eafbf1;--amber-600:#d97706;--amber-50:#fff7ea;--red-600:#dc2626;--red-50:#fdecec;--ink-900:#111827;--ink-600:#4b5563;--ink-400:#9ca3af;--border:#e5e7eb;--bg:#f5f7fb;--white:#fff;--radius:12px;--shadow:0 1px 2px #0f172a0f, 0 1px 3px #0f172a14}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink-900);margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,select,textarea{font-family:inherit;font-size:14px}.app-shell{min-height:100vh;display:flex}.sidebar{border-right:1px solid var(--border);z-index:20;background:linear-gradient(#fff 0%,#fbfcff 100%);flex-direction:column;flex-shrink:0;width:268px;height:100vh;padding:18px 14px 14px;display:flex;position:sticky;top:0;overflow-y:auto}.sidebar-logo{border-bottom:1px solid var(--border);align-items:center;gap:11px;margin-bottom:10px;padding:8px 10px 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.sub{color:var(--ink-600);margin-bottom:22px;font-size:13px}.error-text{color:var(--red-600);margin-top:8px;font-size:12.5px}.success-text{color:var(--green-600);margin-left:12px;font-size:13px;font-weight:700}.hint-box{background:var(--blue-50);color:var(--blue-900);border-radius:10px;margin-top:18px;padding:10px 12px;font-size:12px}.shortage-row td{background:#fff8f0}.shortage-row:hover td{background:#fff3e3!important}.modal-backdrop{z-index:100;background:#0f172a6b;justify-content:center;align-items:flex-start;padding:34px 18px;display:flex;position:fixed;inset:0;overflow-y:auto}.modal-card{background:var(--white);border:1px solid var(--border);border-radius:12px;width:min(1040px,100%);padding:22px;box-shadow:0 22px 60px #0f172a38}.modal-head{border-bottom:1px solid var(--border);justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:16px;padding-bottom:14px;display:flex}.modal-head h2{margin:0 0 4px;font-size:17px}.modal-head .sub{color:var(--ink-600);margin:0;font-size:12.5px}.modal-actions{justify-content:flex-end;gap:10px;margin-top:18px;display:flex}.print-header{border-bottom:2px solid var(--ink-900);justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:18px;padding:4px 0 16px;display:flex}.print-header h1{margin:4px 0 0;font-size:24px}.doc-brand{color:var(--ink-600);letter-spacing:.08em;text-transform:uppercase;font-size:12px;font-weight:800}.doc-po{border:1px solid var(--border);color:var(--blue-700);border-radius:8px;padding:10px 12px;font-size:18px;font-weight:800}.detail-grid{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.detail-grid div{border:1px solid var(--border);background:#fbfcff;border-radius:8px;padding:10px 12px}.detail-grid span{color:var(--ink-600);margin-bottom:4px;font-size:11.5px;font-weight:700;display:block}.detail-grid b{font-size:13.5px}.doc-note{border-top:1px solid var(--border);margin-top:18px;padding-top:12px;font-size:13.5px}.toast{background:var(--ink-900);color:#fff;box-shadow:var(--shadow);z-index:50;border-radius:10px;padding:12px 18px;font-size:13.5px;position:fixed;bottom:20px;right:20px}.toast.err{background:var(--red-600)}@media (width<=900px){.detail-grid{grid-template-columns:1fr}.modal-head{flex-direction:column}}@media print{body{background:#fff}.sidebar,.topbar,.no-print{display:none!important}.main-area,.page-content{padding:0;display:block}.page-content>div>:not(.modal-backdrop):not(.printable-sheet){display:none!important}.printable-sheet{box-shadow:none;border:none;border-radius:0;width:100%;margin:0;padding:0;display:block!important}.modal-backdrop{background:#fff;padding:0;display:block;position:static;overflow:visible}.modal-card{box-shadow:none;border:none;border-radius:0;width:100%;padding:0}table.grid th,table.grid td{padding:8px}}