*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:#f3f5f8;color:#1f2937;font-size:14px}
a{color:#2563eb;text-decoration:none}
.layout{display:flex;min-height:100vh}
.sidebar{width:220px;background:#111827;color:#fff;flex-shrink:0}
.sidebar .brand{padding:20px 18px;font-size:16px;font-weight:700;border-bottom:1px solid #1f2937}
.sidebar a{display:block;padding:12px 18px;color:#d1d5db}
.sidebar a:hover,.sidebar a.active{background:#1f2937;color:#fff}
.main{flex:1;display:flex;flex-direction:column}
.topbar{height:56px;background:#fff;border-bottom:1px solid #e5e7eb;display:flex;align-items:center;justify-content:space-between;padding:0 20px}
.content{padding:20px}
.card{background:#fff;border:1px solid #e5e7eb;border-radius:10px;padding:18px;margin-bottom:16px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}
.stat{background:#fff;border:1px solid #e5e7eb;border-radius:10px;padding:16px}
.stat .n{font-size:24px;font-weight:700;margin-top:6px}
.btn{display:inline-block;border:none;border-radius:6px;padding:8px 14px;cursor:pointer;background:#2563eb;color:#fff;font-size:13px}
.btn:hover{opacity:.92}
.btn-gray{background:#6b7280}
.btn-red{background:#dc2626}
.btn-green{background:#059669}
.btn-sm{padding:5px 10px;font-size:12px}
table{width:100%;border-collapse:collapse}
th,td{padding:10px 8px;border-bottom:1px solid #eef2f7;text-align:left;vertical-align:middle}
th{background:#f8fafc;font-weight:600}
.form-row{margin-bottom:12px}
.form-row label{display:block;margin-bottom:6px;color:#374151}
.form-row input,.form-row select,.form-row textarea{width:100%;max-width:520px;padding:8px 10px;border:1px solid #d1d5db;border-radius:6px}
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(160deg,#0f172a,#1e293b 45%,#334155)}
.login-box{width:380px;background:#fff;border-radius:12px;padding:28px;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.login-box h1{font-size:20px;margin-bottom:18px}
.muted{color:#6b7280}
.tag{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;background:#e5e7eb}
.tag-green{background:#d1fae5;color:#065f46}
.tag-red{background:#fee2e2;color:#991b1b}
.tag-orange{background:#ffedd5;color:#9a3412}
.pager{margin-top:14px}
.flex{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.modal-mask{position:fixed;inset:0;background:rgba(0,0,0,.45);display:none;align-items:center;justify-content:center;z-index:99}
.modal{background:#fff;border-radius:10px;padding:18px;width:420px;max-width:92vw}

/* 商品列表：规格库存对齐 */
.goods-table th,.goods-table td{vertical-align:top;padding:14px 10px}
.goods-table .col-status,.goods-table .col-actions{vertical-align:middle;white-space:nowrap}
.goods-table .col-actions{display:flex;gap:8px;align-items:center}
.spec-list{display:flex;flex-direction:column;gap:8px;min-width:300px}
.spec-row{
    display:grid;
    grid-template-columns:72px 88px 88px 64px;
    align-items:center;
    gap:8px;
    padding:8px 10px;
    background:#f8fafc;
    border:1px solid #eef2f7;
    border-radius:8px;
}
.spec-name{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.spec-price{color:#b45309}
.spec-stock{color:#4b5563}
.spec-row .btn{justify-self:end;min-width:52px;text-align:center}