:root{--bg:#f4f6f8;--panel:#fff;--border:#e2e8f0;--text:#1e293b;--muted:#64748b;--primary:#2563eb;--primary-dark:#1d4ed8;--accent:#7c3aed;--danger:#dc2626;--ok:#16a34a;--warn:#ca8a04;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{background:var(--bg);margin:0;font-size:14px}a{color:var(--primary);text-decoration:none}h1{margin:0 0 4px;font-size:22px}h2{margin:0 0 12px;font-size:18px}h3{margin:0 0 8px;font-size:15px}button{font:inherit;cursor:pointer;border:1px solid var(--border);background:#fff;border-radius:6px;padding:7px 14px;transition:background .15s}button:hover{background:#f1f5f9}button:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-primary:hover{background:var(--primary-dark)}.btn-accent{background:var(--accent);color:#fff;border-color:var(--accent)}.btn-accent:hover{filter:brightness(.93)}.btn-danger{color:var(--danger);background:#fff;border-color:#fca5a5}.btn-danger:hover{background:#fef2f2}.btn-ok{background:var(--ok);color:#fff;border-color:var(--ok)}.btn-sm{padding:3px 9px;font-size:12px}input,select,textarea{font:inherit;border:1px solid var(--border);background:#fff;border-radius:6px;width:100%;padding:7px 10px}input:disabled,select:disabled,textarea:disabled{color:#475569;background:#f8fafc}textarea{resize:vertical;min-height:70px}label{color:var(--muted);margin:10px 0 4px;font-size:12px;display:block}.card{background:var(--panel);border:1px solid var(--border);border-radius:10px;margin-bottom:16px;padding:18px}.row{flex-wrap:wrap;gap:12px;display:flex}.row>*{flex:1}.grid3{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.grid4{grid-template-columns:repeat(4,1fr);gap:12px;display:grid}.spread{justify-content:space-between;align-items:center;gap:12px;display:flex}.muted{color:var(--muted)}.error{color:var(--danger);margin:8px 0;font-size:13px}.success{color:var(--ok);margin:8px 0;font-size:13px}.right{text-align:right}.nowrap{white-space:nowrap}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--border);vertical-align:middle;padding:8px 10px;font-size:13px}th{color:var(--muted);background:#f8fafc;font-weight:600}td.num,th.num{text-align:right}table.tight td,table.tight th{padding:5px 7px}table.tight input,table.tight select{padding:4px 6px}.badge{white-space:nowrap;border-radius:999px;padding:2px 9px;font-size:11px;font-weight:600;display:inline-block}.badge-draft{color:#854d0e;background:#fef9c3}.badge-in_review{color:#92400e;background:#fef3c7}.badge-changes_requested{color:#b91c1c;background:#fee2e2}.badge-approved{color:#1d4ed8;background:#dbeafe}.badge-final{color:#166534;background:#dcfce7}.badge-center{color:#4338ca;background:#e0e7ff}.badge-supplier{color:#475569;background:#f1f5f9}.layout{min-height:100vh;display:flex}.sidebar{color:#cbd5e1;background:#0f172a;flex-shrink:0;width:220px;padding:18px 0}.sidebar .brand{color:#fff;padding:0 20px 4px;font-size:15px;font-weight:700}.sidebar .ver{color:#64748b;padding:0 20px 16px;font-size:11px}.sidebar a{color:#cbd5e1;padding:9px 20px;font-size:14px;display:block}.sidebar a:hover,.sidebar a.active{color:#fff;background:#1e293b}.sidebar a .pill{background:var(--primary);color:#fff;border-radius:999px;margin-left:6px;padding:0 7px;font-size:11px}.content{flex:1;max-width:1180px;padding:24px 32px}.topbar{color:var(--muted);justify-content:flex-end;align-items:center;gap:12px;margin-bottom:18px;display:flex}.auth-wrap{justify-content:center;align-items:center;min-height:100vh;display:flex}.auth-card{width:380px}.kpi{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:14px 16px}.kpi .v{font-size:24px;font-weight:700}.kpi .l{color:var(--muted);margin-top:2px;font-size:12px}.ai-box{color:#5b21b6;background:#faf5ff;border:1px solid #e9d5ff;border-radius:10px;margin-bottom:16px;padding:12px 14px;line-height:1.6}.ai-box .tag{margin-right:6px;font-weight:700}.section-title{background:#eef2f7;border-radius:6px;margin:14px 0 6px;padding:8px 10px;font-weight:700}.sticky-side{position:sticky;top:16px}.note{color:#1e40af;background:#eff6ff;border:1px solid #bfdbfe;border-radius:8px;padding:10px 12px;font-size:13px;line-height:1.5}.note-warn{color:#92400e;background:#fffbeb;border-color:#fde68a}.pill-link{cursor:pointer}.divider{background:var(--border);height:1px;margin:14px 0}.tabbar{flex-wrap:wrap;gap:6px;margin-bottom:14px;display:flex}.tabbar .tab{border:1px solid var(--border);cursor:pointer;background:#fff;border-radius:6px;padding:6px 12px;font-size:13px}.tabbar .tab.active{background:var(--primary);color:#fff;border-color:var(--primary)}.spark{align-items:flex-end;gap:2px;height:22px;display:inline-flex}.spark i{background:var(--primary);border-radius:1px;width:6px;display:inline-block}