:root{--bg: #f4f4f8;--surface: #ffffff;--ink: #2b2b3d;--ink-muted: #7e8390;--ink-faint: #abb0bb;--border: #e3e3ea;--border-strong: #cbcbd3;--accent: #515179;--accent-hover: #3d3d5c;--accent-tint: #ececf3;--approved: #3f6b4f;--approved-tint: #e8f0ea;--urgent: #b3362c;--urgent-tint: #f8e7e5;--error: #a33228;--error-tint: #f8e7e5;--font-display: "Source Serif 4", Georgia, serif;--font-body: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--radius: 4px;--shadow-card: 0 1px 2px rgba(43, 43, 61, .06)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3{font-family:var(--font-display);font-weight:600;margin:0;color:var(--ink)}button{font-family:inherit;cursor:pointer}input{font-family:inherit}.app-shell{display:flex;min-height:100vh}.sidebar{width:220px;flex-shrink:0;background:#2a2a42;color:#e7e7ef;display:flex;flex-direction:column;padding:24px 0}.sidebar-brand{display:flex;align-items:center;gap:10px;padding:0 20px 24px;border-bottom:1px solid rgba(231,231,239,.14);margin-bottom:16px}.sidebar-brand .company{font-family:var(--font-display);font-size:17px;font-weight:600;color:#fff}.sidebar-brand .product{font-size:12px;color:#a9a9bc;margin-top:2px}.sidebar nav{display:flex;flex-direction:column;gap:2px;padding:0 12px}.sidebar nav button{display:flex;align-items:center;gap:8px;text-align:left;background:none;border:none;color:#c7c7d6;padding:10px 12px;border-radius:var(--radius);font-size:13.5px}.sidebar nav button:hover{background:#e7e7ef14;color:#fff}.sidebar nav button.active{background:#e7e7ef;color:#2a2a42;font-weight:500}.sidebar-footer{margin-top:auto;padding:14px 20px 0;border-top:1px solid rgba(231,231,239,.14)}.sidebar-footer .user-name{font-size:13px;color:#e7e7ef}.sidebar-footer .user-role{font-size:11.5px;color:#9a9aad;margin-bottom:10px}.sidebar-footer button{background:none;border:1px solid rgba(231,231,239,.25);color:#c7c7d6;padding:6px 10px;border-radius:var(--radius);font-size:12.5px;width:100%}.sidebar-footer button:hover{border-color:#e7e7ef;color:#fff}.main{flex:1;padding:36px 44px;max-width:1100px}.page-header{margin-bottom:24px}.page-header h1{font-size:24px}.page-header p{color:var(--ink-muted);margin-top:4px;font-size:13.5px}.ledger{width:100%;border-collapse:collapse}.ledger thead th{text-align:left;font-weight:500;font-size:12px;color:var(--ink-muted);padding:0 12px 10px;border-bottom:1px solid var(--border-strong)}.ledger thead th.num{text-align:right}.ledger tbody tr{border-bottom:1px solid var(--border);cursor:pointer}.ledger tbody tr:hover{background:var(--accent-tint)}.ledger tbody td{padding:14px 12px;vertical-align:top}.ledger tbody td.num{text-align:right;font-variant-numeric:tabular-nums}.pono-cell{font-family:var(--font-display);font-weight:600;font-size:15px}.supplier-cell .name{font-weight:500}.supplier-cell .meta{font-size:12px;color:var(--ink-muted)}.tag{display:inline-block;font-size:11px;padding:2px 7px;border-radius:3px;font-weight:500}.tag.urgent{background:var(--urgent-tint);color:var(--urgent)}.tag.approved{background:var(--approved-tint);color:var(--approved)}.empty-state{padding:48px 12px;text-align:center;color:var(--ink-muted)}.empty-state h3{font-size:16px;color:var(--ink);margin-bottom:6px}.back-link{background:none;border:none;color:var(--ink-muted);font-size:13px;padding:0;margin-bottom:16px}.back-link:hover{color:var(--ink)}.detail-header{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px 28px;margin-bottom:24px;box-shadow:var(--shadow-card)}.detail-header-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:18px}.detail-header-top h2{font-size:22px}.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px 28px}.info-item .label{font-size:11.5px;color:var(--ink-muted);text-transform:uppercase;letter-spacing:.02em;margin-bottom:3px}.info-item .value{font-size:14px}.items-table-wrap{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-card);margin-bottom:24px}.items-table-wrap table{width:100%;border-collapse:collapse}.items-table-wrap thead th{text-align:left;font-size:11.5px;color:var(--ink-muted);font-weight:500;padding:10px 14px;background:#eeeef4;border-bottom:1px solid var(--border)}.items-table-wrap thead th.num{text-align:right}.items-table-wrap tbody td{padding:12px 14px;border-bottom:1px solid var(--border);font-size:13.5px}.items-table-wrap tbody td.num{text-align:right;font-variant-numeric:tabular-nums}.items-table-wrap tbody tr:last-child td{border-bottom:none}.material-code{color:var(--ink-muted);font-size:12px}.totals-bar{display:flex;justify-content:flex-end;gap:40px;padding:16px 14px;background:#eeeef4;border-top:1px solid var(--border)}.totals-bar .item{text-align:right}.totals-bar .label{font-size:11.5px;color:var(--ink-muted)}.totals-bar 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.brand-sub{font-size:12.5px;color:var(--ink-muted);margin-bottom:26px}.field{margin-bottom:16px}.field label{display:block;font-size:12.5px;color:var(--ink-muted);margin-bottom:5px}.field input{width:100%;padding:10px 12px;border:1px solid var(--border-strong);border-radius:var(--radius);font-size:14px}.field input:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}.form-error{background:var(--error-tint);color:var(--error);font-size:13px;padding:9px 12px;border-radius:var(--radius);margin-bottom:16px}.login-card .btn-primary{width:100%;padding:11px;margin-top:6px}.admin-toolbar{display:flex;justify-content:flex-end;margin-bottom:16px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#1e1e2e73;display:flex;align-items:center;justify-content:center;z-index:10}.modal-card{width:380px;background:var(--surface);border-radius:6px;padding:26px 28px;box-shadow:0 20px 50px #00000040}.modal-card 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var(--accent);padding-bottom:16px;margin-bottom:22px}.po-form-title{text-align:right}.po-form-title h2{font-family:var(--font-display);font-size:22px;color:var(--accent);letter-spacing:.01em}.po-form-title .sub{font-style:italic;color:var(--ink-muted);font-size:13px;margin-top:2px}.po-form-meta-row{display:flex;justify-content:space-between;gap:40px;margin-bottom:18px}.po-form-vendor{flex:1.3;line-height:1.6}.po-form-block-label{font-weight:600;color:var(--accent)}.po-form-vendor-name{font-weight:600;margin-top:2px}.po-form-info{border-collapse:collapse}.po-form-info td{padding:2px 0;vertical-align:top}.po-form-info td.label{color:var(--ink-muted);padding-right:14px;white-space:nowrap}.po-form-info td.value{text-align:right;font-weight:500;white-space:nowrap}.po-form-shipto{font-size:13px;line-height:1.6;padding:12px 0;border-top:1px solid var(--border-strong);border-bottom:1px solid var(--border-strong);margin-bottom:16px}.po-form-table{width:100%;border-collapse:collapse;margin-bottom:16px}.po-form-table.po-form-terms td{border:1px solid var(--border-strong);padding:6px 10px;font-size:12.5px}.po-form-table .po-form-th{background:#eeeef4;font-weight:600;color:var(--accent)}.po-form-items th{border:1px solid var(--border-strong);background:var(--accent);color:#fff;padding:8px 10px;font-size:11.5px;font-weight:500;text-align:left}.po-form-items th.num{text-align:right}.po-form-items td{border:1px solid var(--border-strong);padding:8px 10px;font-size:12.5px;vertical-align:top}.po-form-items td.num{text-align:right;font-variant-numeric:tabular-nums}.po-form-vat-row td{background:#f4f4f8}.po-form-total-row td{background:#eeeef4;font-size:13.5px}.po-form-sign-row{display:flex;justify-content:space-between;gap:60px;margin-top:56px}.po-form-sign-block{flex:1;text-align:center;position:relative}.po-form-sign-line{border-top:1px solid #444;margin-top:54px}.po-form-sign-label{font-size:12px;color:var(--ink-muted);margin-top:4px}.po-form-footer{text-align:right;font-size:11px;color:var(--ink-faint);margin-top:24px}.approval-stamp{position:absolute;top:-18px;right:10px;width:132px;padding:8px 6px;border:3px solid #b3362c;border-radius:8px;color:#b3362c;text-align:center;transform:rotate(-9deg);opacity:.88;font-family:var(--font-display)}.approval-stamp-title{font-size:15px;font-weight:700;letter-spacing:.04em;line-height:1.1}.approval-stamp-name{font-size:10.5px;margin-top:3px;font-family:var(--font-body)}.approval-stamp-date{font-size:10px;font-family:var(--font-body)}@media (max-width: 720px){.po-form-wrap{padding:24px 18px}.po-form-meta-row{flex-direction:column;gap:16px}.po-form-sign-row{flex-direction:column;gap:30px}}