:root{
  --bg:#f5f6f8; --card:#fff; --ink:#1a1d21; --ink2:#525a63; --ink3:#8b949e;
  --line:#e6e9ee; --brand:#2563eb; --brand-2:#1d4ed8; --brand-soft:#eef4ff;
  --green:#067647; --green-bg:#ecfdf3; --amber:#b54708; --amber-bg:#fffaeb;
  --red:#d92d20; --red-bg:#fef3f2;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:14px;line-height:1.6}

.topbar{background:#0f172a;color:#fff;padding:0 26px;height:56px;display:flex;align-items:center;gap:14px;position:sticky;top:0;z-index:50}
.topbar .logo{font-weight:650;font-size:15.5px;letter-spacing:.3px}
.topbar .tag{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.2);font-size:11.5px;padding:2px 9px;border-radius:20px;color:#cfe0f5}
.topbar .spacer{flex:1}
.topbar .hint{font-size:12px;color:#94a3b8}

.wrap{max-width:1220px;margin:0 auto;padding:22px 20px 70px}

.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-bottom:18px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 16px}
.stat .k{font-size:11.5px;color:var(--ink3);margin-bottom:4px}
.stat .v{font-size:20px;font-weight:660;letter-spacing:-.3px}
.stat .v small{font-size:11.5px;font-weight:400;color:var(--ink3);margin-left:2px}

.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:18px;overflow-x:auto}
.tab{padding:10px 16px;font-size:13.5px;color:var(--ink2);cursor:pointer;border-bottom:2px solid transparent;white-space:nowrap;font-weight:500}
.tab.active{color:var(--brand);border-bottom-color:var(--brand)}
.tab:hover{color:var(--brand)}

.panel{display:none}
.panel.active{display:block}

.card{background:var(--card);border:1px solid var(--line);border-radius:11px;padding:20px 22px;margin-bottom:16px}
.card h3{font-size:15px;font-weight:640;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.card h3 .badge{background:var(--brand-soft);color:var(--brand);font-size:11.5px;padding:2px 8px;border-radius:10px;font-weight:600}

.row{display:grid;gap:14px;margin-bottom:14px}
.row.c2{grid-template-columns:1fr 1fr}
.row.c3{grid-template-columns:1fr 1fr 1fr}
@media(max-width:760px){.row.c2,.row.c3{grid-template-columns:1fr}}
.field label{display:block;font-size:12.5px;color:var(--ink2);margin-bottom:5px;font-weight:500}
.field label .req{color:var(--red);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;border:1px solid #d8dee6;border-radius:7px;padding:8px 11px;font-size:13.5px;font-family:inherit;background:#fff;color:var(--ink);outline:none;transition:.15s
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(37,99,235,.1)}
.field textarea{resize:vertical;min-height:64px}
.field .tip{font-size:11.5px;color:var(--ink3);margin-top:4px}

.btn{border:none;border-radius:7px;padding:8px 16px;font-size:13.5px;font-weight:550;cursor:pointer;font-family:inherit;transition:.15s;display:inline-flex;align-items:center;gap:6px}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-2)}
.btn-ghost{background:#fff;border:1px solid #d8dee6;color:var(--ink2)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-sm{padding:5px 11px;font-size:12.5px}
.btn-green{background:var(--green);color:#fff}
.btn-red{background:#fff;border:1px solid #f3c6c0;color:var(--red)}
.btn-red:hover{background:var(--red-bg)}
.btn:disabled{opacity:.5;cursor:not-allowed}

.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}

table{width:100%;border-collapse:collapse;font-size:13px}
th{background:#f8f9fb;text-align:left;padding:9px 11px;font-weight:600;color:var(--ink2);border-bottom:1px solid var(--line);font-size:12.5px;white-space:nowrap}
td{padding:9px 11px;border-bottom:1px solid #f1f3f6;color:var(--ink2);vertical-align:middle}
tr:last-child td{border-bottom:none}
tbody tr:hover{background:#fafbfd}

.pill{display:inline-block;padding:2px 9px;border-radius:11px;font-size:11.5px;font-weight:600}
.p-green{background:var(--green-bg);color:var(--green)}
.p-amber{background:var(--amber-bg);color:var(--amber)}
.p-red{background:var(--red-bg);color:var(--red)}
.p-gray{background:#f1f3f6;color:#5b6572}
.p-blue{background:var(--brand-soft);color:var(--brand)}

.thumb{width:44px;height:44px;border-radius:7px;object-fit:cover;background:#f1f3f6;border:1px solid var(--line)}
.thumb-none{width:44px;height:44px;border-radius:7px;background:#f1f3f6;border:1px dashed #d8dee6;display:flex;align-items:center;justify-content:center;color:#b0b8c1;font-size:10px}

.sku-box{border:1px solid var(--line);border-radius:9px;padding:14px;margin-bottom:10px;background:#fcfdff;position:relative}
.sku-box .del{position:absolute;right:10px;top:10px}

.empty{text-align:center;padding:38px 10px;color:var(--ink3);font-size:13px}

.toast{position:fixed;right:22px;bottom:22px;z-index:200;display:flex;flex-direction:column;gap:8px}
.toast div{padding:11px 16px;border-radius:8px;font-size:13px;box-shadow:0 4px 16px rgba(0,0,0,.13);animation:slide .2s ease;max-width:340px}
.toast .ok{background:#065f46;color:#fff}
.toast .err{background:#b42318;color:#fff}
@keyframes slide{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

.flow-note{background:var(--brand-soft);border:1px solid #d5e3ff;border-radius:9px;padding:12px 15px;font-size:12.8px;color:#1e429f;margin-bottom:16px;line-height:1.7}