:root{--red:#e8504a;--red-d:#c93c36;--ink:#2b2b2b;--mut:#6b6b6b;--line:#e3e3e3;--bg:#f5f5f4;--card:#fff;--ok:#2e7d32;--warn:#b26a00;--r:8px}
*{box-sizing:border-box}
body{margin:0;font:14px/1.45 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--red-d)}
h2{margin:0 0 12px;font-size:20px}h3{margin:0 0 12px;font-size:16px}
.demo-bar{background:#fff3cd;color:#6b5200;text-align:center;padding:6px 12px;font-size:12px}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#fff;border-bottom:1px solid var(--line);padding:10px 20px;position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);font-weight:600}
.brand img{height:30px}
.top-r{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.who{color:var(--mut);margin-right:4px}
main{max-width:1280px;margin:0 auto;padding:18px 20px 60px}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px;overflow-x:auto}
.tabs button{background:none;border:0;padding:10px 16px;font:inherit;color:var(--mut);cursor:pointer;border-bottom:2px solid transparent;white-space:nowrap}
.tabs button.on{color:var(--red-d);border-color:var(--red);font-weight:600}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;margin-bottom:16px}
.btn{background:var(--red);color:#fff;border:0;border-radius:6px;padding:8px 14px;font:inherit;font-weight:600;cursor:pointer}
.btn:hover{background:var(--red-d)}.btn:disabled{opacity:.5;cursor:default}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line);font-weight:500}.btn.ghost:hover{background:#f0f0f0}
.btn.sm{padding:4px 10px;font-size:12px}.btn.danger{background:#fff;color:#b3261e;border:1px solid #e6b8b4}
input,select,textarea{font:inherit;border:1px solid #cfcfcf;border-radius:6px;padding:7px 9px;background:#fff;color:var(--ink);max-width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid #f5c2bf;border-color:var(--red)}
input[type=number]{width:80px}
label{display:block;font-size:12px;color:var(--mut);margin-bottom:10px}
label>input,label>select,label>textarea{display:block;width:100%;margin-top:3px;color:var(--ink);font-size:14px}
textarea{min-height:60px;resize:vertical}
table{border-collapse:collapse;width:100%}
th{text-align:left;font-size:12px;color:var(--mut);font-weight:600;padding:8px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:7px 8px;border-bottom:1px solid #f0f0f0;vertical-align:middle}
td.n,th.n{text-align:right}
tr.click{cursor:pointer}tr.click:hover{background:#faf6f6}
.fam td{background:#fafafa;font-weight:700;padding:9px 8px;border-bottom:1px solid var(--line)}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.row.end{justify-content:flex-end}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:0 14px}
.split{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:16px;align-items:start}
.sticky{position:sticky;top:70px}
.badge{display:inline-block;padding:2px 9px;border-radius:99px;font-size:12px;font-weight:600;background:#eee;color:#555}
.b-submitted{background:#fff3cd;color:#6b5200}.b-approved{background:#dbeafe;color:#1e40af}.b-shipped{background:#dcfce7;color:#166534}.b-cancelled{background:#fee2e2;color:#991b1b}
.stock{font-size:12px;color:var(--mut)}.stock.low{color:var(--warn);font-weight:600}.stock.out{color:#b3261e;font-weight:600}
.mut{color:var(--mut)}.right{text-align:right}.sm{font-size:12px}
.sum{margin-left:auto;width:300px}.sum div{display:flex;justify-content:space-between;padding:3px 0}.sum .t{font-weight:700;font-size:16px;border-top:1px solid var(--line);margin-top:4px;padding-top:6px}
.empty{padding:28px;text-align:center;color:var(--mut)}
.modal-back{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:50;display:flex;align-items:flex-start;justify-content:center;overflow:auto;padding:30px 12px}
.modal{background:#fff;border-radius:10px;padding:22px;width:100%;max-width:520px;position:relative}.modal.wide{max-width:1000px}
.modal .x{position:absolute;right:10px;top:6px;background:none;border:0;font-size:26px;cursor:pointer;color:var(--mut)}
#toasts{position:fixed;right:16px;bottom:16px;display:flex;flex-direction:column;gap:8px;z-index:90}
.toast{background:#2b2b2b;color:#fff;padding:10px 14px;border-radius:6px;box-shadow:0 4px 14px rgba(0,0,0,.25);max-width:340px}.toast.err{background:#b3261e}
.items input{width:100%}.items td{padding:4px}.items input[type=number]{width:74px;text-align:right}
.login{max-width:380px;margin:9vh auto;padding:0 16px}.login img{height:54px;display:block;margin:0 auto 22px}
.err{color:#b3261e;font-size:13px;min-height:18px}
.chips{display:flex;gap:6px;flex-wrap:wrap}.chip{border:1px solid var(--line);background:#fff;border-radius:99px;padding:4px 12px;cursor:pointer;font:inherit;font-size:13px}.chip.on{background:var(--red);border-color:var(--red);color:#fff}
.kpi{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:14px}.kpi div{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:10px 16px;min-width:140px}.kpi b{display:block;font-size:20px}
.locked{background:#fafafa;border:1px dashed #d4d4d4;padding:8px 12px;border-radius:6px;color:var(--mut);margin-bottom:10px;font-size:13px}
.stockgrid{display:flex;gap:6px;flex-wrap:wrap}.stockgrid label{margin:0;font-size:11px}.stockgrid input{width:64px;margin-top:2px;padding:4px 6px}
@media (max-width:900px){.split{grid-template-columns:1fr}.sticky{position:static}.grid2,.grid3{grid-template-columns:1fr}main{padding:14px 12px 60px}.top{padding:8px 12px}.sum{width:100%}}