:root{--orange:#f26a00;--ink:#3d3d3b;--muted:#696966;--line:#dedbd5;--paper:#fff;--bg:#f7f5f1;--ok:#276749;--warn:#925b00;--bad:#9b1c1c;--focus:#004f9e}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.5}
a{color:#8a3d00}
img{max-width:100%;height:auto}
.shell{max-width:1180px;margin:0 auto;padding:20px}
.topbar{background:#fff;border-bottom:1px solid var(--line)}
.topbar .shell{display:flex;align-items:center;gap:18px;justify-content:space-between}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--ink);font-weight:800}
.brand img{width:150px}
.nav{display:flex;gap:8px;flex-wrap:wrap}
.nav a,.button,button{min-height:44px;border:1px solid var(--line);background:#fff;color:var(--ink);padding:10px 14px;border-radius:8px;text-decoration:none;font-weight:700;cursor:pointer}
.button.primary,button.primary{background:var(--orange);border-color:var(--orange);color:#fff}
.button.danger,button.danger{border-color:var(--bad);color:var(--bad)}
main{padding:24px 0}
.panel{background:#fff;border:1px solid var(--line);border-radius:8px;padding:18px;margin-bottom:18px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px}
.card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:14px}
.card h3,.panel h2{margin-top:0}
label{display:block;font-weight:700;margin:10px 0 5px}
input,select,textarea{width:100%;min-height:44px;border:1px solid var(--line);border-radius:8px;padding:10px;background:#fff;color:var(--ink);font:inherit}
textarea{min-height:100px}
input:focus,select:focus,textarea:focus,button:focus,a:focus{outline:3px solid var(--focus);outline-offset:2px}
.muted{color:var(--muted)}
.alert{border:2px solid var(--warn);background:#fff8e8;border-radius:8px;padding:12px;margin:12px 0}
.error{border-color:var(--bad);background:#fff1f1}
.success{border-color:var(--ok);background:#effaf3}
.qty{display:grid;grid-template-columns:44px 1fr 44px;align-items:center;gap:8px;max-width:170px}
.qty strong{text-align:center;font-size:1.25rem}
.product-card{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center}
.sticky-action{position:sticky;bottom:0;background:rgba(247,245,241,.96);border-top:1px solid var(--line);padding:12px 0}
table{width:100%;border-collapse:collapse;background:#fff}
th,td{text-align:left;border-bottom:1px solid var(--line);padding:10px;vertical-align:top}
.status{display:inline-block;padding:4px 8px;border-radius:999px;border:1px solid var(--line);font-weight:700}
.logo-login{max-width:360px;margin:20px auto;display:block}
@media (max-width:700px){.topbar .shell{align-items:flex-start;flex-direction:column}.brand img{width:190px}.product-card{grid-template-columns:1fr}.shell{padding:14px}table,thead,tbody,tr,th,td{display:block}thead{display:none}td{border-bottom:0;padding:6px 10px}tr{border-bottom:1px solid var(--line);padding:8px 0}}