*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#f3f4f6;color:#111827}
a{color:inherit}.top{background:#111827;color:#fff;padding:16px;display:flex;align-items:center;justify-content:space-between;gap:15px;position:sticky;top:0;z-index:10}
.top h1{font-size:22px;margin:0}.top nav{display:flex;gap:10px;flex-wrap:wrap}.top nav a{background:#ffffff18;padding:9px 11px;border-radius:9px;text-decoration:none;font-size:14px}
.container{max-width:900px;margin:auto;padding:14px}.toolbar{display:flex;gap:8px;margin-bottom:8px}.toolbar input{flex:1}
input,button{font:inherit;border-radius:10px;border:1px solid #d1d5db;padding:11px}button{cursor:pointer;background:#fff;font-weight:700}
button:disabled{opacity:.5}.primary{background:#111827;color:#fff;border-color:#111827}.danger,.minus{background:#fee2e2;color:#991b1b;border-color:#fecaca}.plus{background:#dcfce7;color:#166534;border-color:#bbf7d0}
.full{width:100%;margin-top:10px}.item,.panel{background:#fff;border-radius:14px;padding:15px;margin:10px 0;box-shadow:0 1px 4px #0001}.item.low{border-left:6px solid #dc2626}
.item-head{display:flex;justify-content:space-between;align-items:center;gap:12px}.name{font-size:17px;font-weight:800}.code,.muted{color:#6b7280;font-size:13px}.muted-light{color:#cbd5e1;font-size:12px;margin-top:3px}.qty{font-size:25px;font-weight:900;text-align:right}
.move-row{display:flex;gap:8px;margin-top:12px;align-items:center}.move-row button{font-size:24px;min-width:62px}.move-row .amount{width:110px;text-align:center;font-size:18px}.note{width:100%;margin-top:8px}
.status{font-size:12px;color:#6b7280}.status.ok,.green{color:#166534}.status.error,.red{color:#b91c1c}
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px}.login-wrap .panel{width:min(420px,100%)}.login-wrap h1{margin-top:0}.pin{width:100%;font-size:28px;text-align:center;letter-spacing:8px}
label{display:block;font-size:13px;font-weight:700;margin:12px 0 5px}.login-wrap input:not(.pin){width:100%}
.alert{padding:12px;border-radius:10px;margin:10px 0}.alert.ok{background:#dcfce7;color:#166534}.alert.error{background:#fee2e2;color:#991b1b}
.grid-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;background:#fff}
th,td{padding:10px;border-bottom:1px solid #e5e7eb;text-align:left;white-space:nowrap}th{font-size:12px;color:#6b7280}td input{padding:7px;min-width:110px}
code{background:#e5e7eb;padding:2px 5px;border-radius:5px}
@media(max-width:620px){.top{align-items:flex-start;flex-direction:column}.top nav{width:100%}.toolbar{position:sticky;top:115px;z-index:8;background:#f3f4f6;padding:4px 0}.qty{font-size:22px}.item-head{align-items:flex-start}}