:root {
  --bg: #f5f6f8; --card: #fff; --text: #1f2329; --muted: #6b7280; --line: #e5e7eb;
  --primary: #2563eb; --primary-weak: #eff4ff; --danger: #dc2626; --ok: #16a34a; --warn: #d97706;
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.5 -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); }
header { display: flex; align-items: center; gap: 16px; padding: 0 20px; height: 52px; background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
header h1 { font-size: 16px; margin: 0; }
header .spacer { flex: 1; }
nav button { background: none; border: none; padding: 16px 10px; cursor: pointer; font-size: 14px; color: var(--muted); border-bottom: 2px solid transparent; }
nav button.active { color: var(--primary); border-bottom-color: var(--primary); }
main { padding: 16px 20px; max-width: 1400px; margin: 0 auto; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 16px; margin-bottom: 16px; }
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 12px; }
button, .btn { font: inherit; padding: 6px 14px; border-radius: 6px; border: 1px solid var(--line); background: var(--card); color: var(--text); cursor: pointer; text-decoration: none; display: inline-block; }
button.primary, .btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
button.danger { color: var(--danger); border-color: #fecaca; }
button:disabled { opacity: .5; cursor: not-allowed; }
input, select, textarea { font: inherit; padding: 6px 10px; border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--text); }
textarea { width: 100%; min-height: 90px; }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.tabs button.active { background: var(--primary-weak); border-color: var(--primary); color: var(--primary); }
.badge { display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: 12px; background: #f3f4f6; }
.s-unassigned { background: #f3f4f6; color: var(--muted); }
.s-pending { background: #fef3c7; color: var(--warn); }
.s-shipped { background: #dcfce7; color: var(--ok); }
.s-exception { background: #fee2e2; color: var(--danger); }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; background: var(--card); }
th, td { border-bottom: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; white-space: nowrap; }
td.wrap { white-space: normal; min-width: 200px; max-width: 360px; }
th { background: #fafafa; font-weight: 600; position: sticky; top: 0; }
tr.group-start td { border-top: 2px solid #d1d5db; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.danger-text { color: var(--danger); }
.cols { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 6px 16px; }
.cols label { display: flex; gap: 6px; align-items: center; }
.cols label.blocked { color: var(--muted); }
.login { max-width: 360px; margin: 12vh auto; }
.login input { width: 100%; margin-bottom: 12px; padding: 10px; }
.login button { width: 100%; padding: 10px; }
#toast { position: fixed; top: 64px; left: 50%; transform: translateX(-50%); background: #111827; color: #fff; padding: 8px 16px; border-radius: 6px; display: none; z-index: 99; }
.ship-input { width: 150px; }
img.thumb { width: 72px; height: 72px; object-fit: cover; border-radius: 4px; border: 1px solid var(--line); display: block; background: #fff; }
.hint { background: var(--primary-weak); border: 1px solid #c7d7fe; padding: 10px 12px; border-radius: 6px; margin-bottom: 12px; }
dialog { border: 1px solid var(--line); border-radius: 8px; padding: 20px; min-width: 320px; }
dialog input { width: 100%; margin: 4px 0 12px; }
@media (max-width: 700px) { header { flex-wrap: wrap; height: auto; padding: 8px 16px; } main { padding: 12px 16px; } }