:root{--bg:#f6f7f9;--card:#fff;--text:#202124;--muted:#777;--line:#e8eaed;--accent:#111;--danger:#b42318;--ok:#067647}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif}
.wrap{max-width:980px;margin:auto;padding:18px}.top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.brand{font-weight:700;font-size:22px}.nav a{margin-left:14px;color:#333;text-decoration:none}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;margin-bottom:14px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px}
input,select,button,textarea{font:inherit}input,select,textarea{width:100%;padding:11px 12px;border:1px solid #d7dce2;border-radius:9px;margin:6px 0 12px}
button,.btn{display:inline-block;border:0;border-radius:9px;padding:10px 16px;background:#111;color:white;text-decoration:none;cursor:pointer}
.btn.secondary{background:#eef0f3;color:#222}.btn.danger{background:#b42318}.btn.ok{background:#067647}
.muted{color:var(--muted);font-size:14px}.error{color:var(--danger);margin:8px 0}.ok{color:var(--ok)}
table{width:100%;border-collapse:collapse;background:white}th,td{padding:10px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}th{background:#fafafa}
.badge{display:inline-block;padding:3px 8px;border-radius:999px;background:#eef0f3;font-size:12px}.badge.ok{background:#ecfdf3;color:#067647}.badge.warn{background:#fff7ed;color:#b54708}
.product-img{width:100%;height:260px;object-fit:cover;border-radius:10px;background:#f3f3f3}
.kpi{font-size:28px;font-weight:700}.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:640px){.two{grid-template-columns:1fr}.wrap{padding:12px}.top{align-items:flex-start}.nav{font-size:13px}}