:root{--bg: #f4f6f9;--card: #ffffff;--border: #e5e7eb;--text: #1f2937;--muted: #6b7280;--primary: #1f4e78;--danger: #c0392b;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:var(--primary);text-decoration:none}.layout{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--primary);color:#fff;padding:20px 0}.sidebar h2{font-size:16px;margin:0 20px 20px}.sidebar nav a{display:block;color:#ffffffd9;padding:12px 20px;font-size:14px}.sidebar nav a.active{background:#ffffff26;color:#fff}.main{flex:1;padding:24px}.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:18px;margin-bottom:18px}.grid{display:grid;gap:16px}.grid-4{grid-template-columns:repeat(4,1fr)}@media (max-width: 900px){.grid-4{grid-template-columns:repeat(2,1fr)}}.stat{padding:16px}.stat .label{color:var(--muted);font-size:13px}.stat .value{font-size:26px;font-weight:700;margin-top:6px}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:10px;border-bottom:1px solid var(--border)}th{background:#fafafa;color:var(--muted)}.btn{border:none;background:var(--primary);color:#fff;padding:8px 14px;border-radius:6px;cursor:pointer;font-size:13px}.btn.secondary{background:#e5e7eb;color:var(--text)}.btn.danger{background:var(--danger)}input,select{padding:8px;border:1px solid var(--border);border-radius:6px;font-size:13px}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.muted{color:var(--muted)}.pill{padding:2px 8px;border-radius:999px;font-size:12px;background:#edf2f7}.pill.pending{background:#fef3c7}.pill.ordered{background:#dbeafe}.pill.received{background:#d1fae5}.pill.cancelled{background:#fee2e2}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-box{width:340px;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:28px}.login-box h1{font-size:20px;margin:0 0 18px}.field{margin-bottom:14px;display:flex;flex-direction:column;gap:6px}.error{color:var(--danger);font-size:13px}