:root { --brand:#c8102e; --dark:#1f2933; --bg:#f4f5f7; --line:#e1e4e8; --muted:#6b7280; }
* { box-sizing: border-box; }
body { margin:0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background:var(--bg); color:var(--dark); }
header.top { background:var(--dark); color:#fff; padding:12px 24px; display:flex; align-items:center; justify-content:space-between; }
header.top .logo { font-weight:700; font-size:1.15rem; letter-spacing:.3px; }
header.top .logo span { color:var(--brand); }
header.top .who { font-size:.9rem; display:flex; gap:14px; align-items:center; }
header.top .role { background:var(--brand); padding:2px 8px; border-radius:10px; font-size:.75rem; }
main { max-width:1100px; margin:24px auto; padding:0 16px; }
h1 { margin:0 0 16px; font-size:1.5rem; }
.card { background:#fff; border:1px solid var(--line); border-radius:10px; padding:20px; }
.toolbar { display:flex; gap:10px; margin-bottom:16px; flex-wrap:wrap; align-items:center; }
.toolbar form { display:flex; gap:8px; flex:1; min-width:240px; }
input, select, textarea { font:inherit; padding:8px 10px; border:1px solid #cbd2d9; border-radius:6px; width:100%; background:#fff; }
.toolbar input { flex:1; }
.btn { display:inline-block; padding:8px 14px; border-radius:6px; border:1px solid transparent; background:var(--brand); color:#fff; text-decoration:none; font:inherit; cursor:pointer; white-space:nowrap; }
.btn.secondary { background:#fff; color:var(--dark); border-color:#cbd2d9; }
.btn.danger { background:#fff; color:#b91c1c; border-color:#b91c1c; }
.btn.small { padding:4px 10px; font-size:.85rem; }
table { width:100%; border-collapse:collapse; background:#fff; border:1px solid var(--line); border-radius:10px; overflow:hidden; }
th, td { text-align:left; padding:10px 12px; border-bottom:1px solid var(--line); vertical-align:middle; }
th { background:#fafbfc; font-size:.8rem; text-transform:uppercase; letter-spacing:.4px; color:var(--muted); }
td.num, th.num { text-align:right; }
.thumb { width:56px; height:56px; object-fit:cover; border-radius:6px; border:1px solid var(--line); background:#eef0f2; display:block; }
.noimg { width:56px; height:56px; border-radius:6px; border:1px dashed #cbd2d9; display:flex; align-items:center; justify-content:center; color:var(--muted); font-size:.65rem; text-align:center; }
.badge { padding:2px 8px; border-radius:10px; font-size:.75rem; background:#e6f4ea; color:#137333; }
.badge.low { background:#fdecea; color:#b91c1c; }
.flash { padding:10px 14px; border-radius:6px; margin-bottom:16px; background:#e6f4ea; color:#137333; border:1px solid #b7dfc1; }
.error-box { padding:10px 14px; border-radius:6px; margin-bottom:16px; background:#fdecea; color:#b91c1c; border:1px solid #f5b5b0; }
.err { color:#b91c1c; font-size:.8rem; margin-top:3px; }
.grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(240px, 1fr)); gap:14px; }
.grid .full { grid-column:1/-1; }
label { display:block; font-size:.85rem; font-weight:600; margin-bottom:4px; }
.detail { display:grid; grid-template-columns:320px 1fr; gap:24px; }
.detail img.big { width:100%; border-radius:10px; border:1px solid var(--line); background:#eef0f2; }
.detail .noimg-big { width:100%; aspect-ratio:1; border:2px dashed #cbd2d9; border-radius:10px; display:flex; align-items:center; justify-content:center; color:var(--muted); }
dl { display:grid; grid-template-columns:160px 1fr; gap:8px 12px; margin:0; }
dt { color:var(--muted); font-size:.9rem; }
dd { margin:0; font-weight:500; }
.actions { display:flex; gap:8px; margin-top:20px; }
.preview { max-width:180px; border-radius:8px; margin-top:8px; border:1px solid var(--line); }
.login-wrap { max-width:360px; margin:12vh auto; }
.login-wrap h1 { text-align:center; }
.login-wrap h1 span { color:var(--brand); }
header.top { flex-wrap:wrap; gap:10px; }
header.top nav { display:flex; gap:4px; flex-wrap:wrap; }
header.top nav a { color:#d5dae0; text-decoration:none; padding:6px 10px; border-radius:6px; font-size:.92rem; }
header.top nav a:hover { background:#323f4b; color:#fff; }
header.top .who a { color:#d5dae0; font-size:.85rem; }
.row-actions { display:flex; gap:8px; align-items:center; flex-wrap:wrap; }
.row-actions form { margin:0; display:flex; gap:6px; align-items:center; }
.summary { margin:0 0 12px; color:var(--muted); }
.summary strong { color:var(--dark); }
.hint { color:var(--muted); font-size:.8rem; margin-top:3px; }
.form-narrow { max-width:620px; }
.bar { display:flex; gap:10px; align-items:center; margin-bottom:16px; flex-wrap:wrap; }
.bar select { width:auto; }
.tag { padding:2px 8px; border-radius:10px; font-size:.72rem; background:#eef0f2; color:#3e4c59; white-space:nowrap; }
.tag.SALE { background:#e6f4ea; color:#137333; }
.tag.PURCHASE { background:#e8f0fe; color:#1a56c4; }
.tag.PART_DELETED, .tag.LOGIN_FAILED { background:#fdecea; color:#b91c1c; }
.tag.PART_CREATED, .tag.PART_UPDATED { background:#fff4e0; color:#a15c00; }
input.notfound { border-color:#b91c1c; background:#fdecea; }

/* ---- invoice ---- */
.invoice { background:#fff; border:1px solid var(--line); border-radius:10px; padding:28px; margin:0 auto; }
.invoice.a4 { max-width:720px; }
.invoice.thermal { max-width:80mm; padding:6px; font-size:12px; border-radius:0; }
.inv-head { text-align:center; margin-bottom:14px; }
.inv-head h2 { margin:0 0 4px; }
.inv-meta { display:grid; grid-template-columns:1fr 1fr; gap:6px 16px; margin-bottom:14px; font-size:.9rem; }
.inv-meta span { display:block; color:var(--muted); font-size:.75rem; }
.invoice.thermal .inv-meta { grid-template-columns:1fr; }
.inv-table { border:none; border-top:1px solid #000; border-bottom:1px solid #000; border-radius:0; }
.inv-table th, .inv-table td { padding:6px 4px; }
.inv-total { text-align:right; font-size:1.2rem; margin:12px 0; }
.inv-note { font-size:.85rem; color:var(--muted); }
.inv-foot { text-align:center; margin-top:18px; color:var(--muted); font-size:.85rem; }

/* ---- barcode labels ---- */
.labels { display:flex; flex-wrap:wrap; gap:10px; }
.label { background:#fff; border:1px dashed #9aa5b1; padding:6px 8px; width:56mm; text-align:center; overflow:hidden; }
.label .l-shop { font-size:9px; color:#555; }
.label .l-name { font-size:11px; font-weight:600; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.label svg { max-width:100%; height:auto; }
.label .l-price { font-size:12px; font-weight:700; }
.labels.single { display:block; }
.labels.single .label { break-after:page; margin:0 auto 10px; }

@media print {
    header.top, .no-print { display:none !important; }
    body { background:#fff; }
    main { margin:0; max-width:none; padding:0; }
    .invoice { border:none; box-shadow:none; margin:0; }
    .invoice.thermal { max-width:none; }
    .label { border-color:#ddd; break-inside:avoid; }
    .labels.single .label { margin:0; border:none; }
}

/* ---- dashboard ---- */
h2.sec { font-size:1.05rem; margin:26px 0 10px; color:var(--dark); }
.kpis { display:grid; grid-template-columns:repeat(auto-fit, minmax(220px, 1fr)); gap:12px; }
.kpi { background:#fff; border:1px solid var(--line); border-radius:10px; padding:14px 16px; }
.k-label { font-size:.78rem; text-transform:uppercase; letter-spacing:.4px; color:var(--muted); }
.k-value { font-size:1.6rem; font-weight:700; margin:4px 0; word-break:break-word; }
.k-sub { font-size:.82rem; color:var(--muted); }
.alert { padding:10px 14px; border-radius:8px; margin-bottom:10px; font-size:.92rem; }
.alert.bad { background:#fdecea; color:#8f1d1d; border:1px solid #f5b5b0; }
.alert.warn { background:#fff8e1; color:#7a5200; border:1px solid #f1dc9b; }
.meter { height:8px; background:#e5e7eb; border-radius:6px; margin-top:8px; overflow:hidden; }
.meter-fill { height:100%; background:var(--brand); }
.two { display:grid; grid-template-columns:repeat(auto-fit, minmax(420px, 1fr)); gap:8px 20px; }
.two > div { min-width:0; }
td.empty { text-align:center; color:var(--muted); padding:18px; }
.pcell { display:flex; gap:10px; align-items:center; }
.pcell .plink { color:inherit; font-weight:600; text-decoration:none; }
.pcell .plink:hover { text-decoration:underline; }
.thumb.sm, .noimg.sm { width:38px; height:38px; flex:none; }
.noimg.sm { font-size:.8rem; }
.legend { display:flex; gap:20px; flex-wrap:wrap; font-size:.9rem; margin-bottom:10px; }
.dot { display:inline-block; width:10px; height:10px; border-radius:2px; margin-right:4px; }
.dot.s, .bar.s { background:#2e9e5b; }
.dot.p, .bar.p { background:#3b6fd4; }
.chart { display:flex; gap:6px; align-items:flex-end; height:180px; }
.chart .col { flex:1; min-width:0; display:flex; flex-direction:column; height:100%; }
.chart .pair { flex:1; display:flex; gap:2px; align-items:flex-end; border-bottom:1px solid var(--line); }
.chart .bar { flex:1; border-radius:3px 3px 0 0; min-height:0; }
.chart .lbl { font-size:.65rem; color:var(--muted); text-align:center; margin-top:4px; white-space:nowrap; overflow:hidden; }

/* ---- part photo picker ---- */
.photo-wrap { display:flex; gap:16px; align-items:flex-start; flex-wrap:wrap; }
.photo-box { position:relative; width:200px; height:200px; border:2px dashed #9aa5b1; border-radius:10px; background:#fafbfc;
             cursor:pointer; overflow:hidden; display:flex; align-items:center; justify-content:center; }
.photo-box:hover, .photo-box:focus { border-color:var(--brand); outline:none; }
.photo-img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.photo-hint { position:relative; text-align:center; padding:10px; color:var(--muted); font-size:.82rem; display:flex; flex-direction:column; gap:4px; }
.photo-hint strong { color:var(--dark); font-size:.95rem; }
.photo-hint.has-img { display:none; }
.photo-side { flex:1; min-width:220px; }

.pos { color:#137333; }
.neg { color:#b91c1c; }
@media (max-width:760px) { .detail { grid-template-columns:1fr; } dl { grid-template-columns:120px 1fr; } .hide-sm { display:none; } }