:root {
  --bg: #f3f5f8;
  --card: #ffffff;
  --ink: #1b1f24;
  --muted: #667085;
  --line: #e4e7ec;
  --brand: #1668dc;
  --brand-soft: #e8f1ff;
  --danger: #d92d20;
  --warn: #b54708;
  --ok: #067647;
  --radius: 12px;
  --shadow: 0 8px 24px rgba(16, 24, 40, 0.06);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.55 -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.error { color: var(--danger); min-height: 18px; font-size: 13px; margin-top: 8px; }

.login {
  min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px;
  background: radial-gradient(circle at 20% 10%, #dce9ff 0, transparent 45%), var(--bg);
}
.login-card {
  width: 100%; max-width: 380px; background: var(--card); border: 1px solid var(--line);
  border-radius: 18px; padding: 28px; box-shadow: var(--shadow);
}
.brand { font-size: 22px; font-weight: 700; letter-spacing: -0.2px; }
.login label { display: block; margin-top: 16px; color: var(--muted); font-size: 13px; }
.login input { width: 100%; margin-top: 6px; }
.login .primary { width: 100%; margin-top: 20px; }

.app { min-height: 100vh; }
.topbar {
  display: flex; justify-content: space-between; gap: 16px; align-items: center;
  padding: 18px 24px; background: var(--card); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.title { font-size: 18px; font-weight: 700; }
.subtitle { color: var(--muted); font-size: 12px; margin-top: 2px; }
.top-actions { display: flex; align-items: center; gap: 10px; }
.who { color: var(--muted); font-size: 13px; }

main { max-width: 1400px; margin: 0 auto; padding: 20px 24px 60px; }

.cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 18px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px; box-shadow: 0 1px 2px rgba(16, 24, 40, 0.03);
}
.card .k { color: var(--muted); font-size: 12px; }
.card .v { font-size: 26px; font-weight: 700; margin-top: 2px; }
.card .s { color: var(--muted); font-size: 12px; margin-top: 2px; }

.toolbar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.toolbar input, .toolbar select { min-width: 160px; }

.table-wrap { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: auto; box-shadow: 0 1px 2px rgba(16, 24, 40, 0.03); }
table { width: 100%; border-collapse: collapse; min-width: 980px; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12px; background: #fafbfc; position: sticky; top: 0; }
tbody tr { cursor: pointer; }
tbody tr:hover { background: #f8faff; }
.empty { padding: 40px; text-align: center; color: var(--muted); }

input, select, textarea {
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; background: #fff; color: var(--ink);
  outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(22, 104, 220, 0.12); }
button.primary {
  border: 0; border-radius: 8px; padding: 8px 14px; color: #fff; background: var(--brand);
  font-weight: 600; box-shadow: 0 2px 6px rgba(22, 104, 220, 0.22);
}
button.primary:hover { filter: brightness(1.05); }
button.ghost {
  border: 1px solid var(--line); border-radius: 8px; padding: 7px 12px; background: #fff; color: var(--ink);
}
button.ghost:hover { border-color: #c9d2e0; background: #fafbfc; }
button.danger { border: 1px solid #fecaca; border-radius: 8px; padding: 7px 12px; background: #fff1f0; color: var(--danger); }
button.ok { border: 1px solid #abefc6; border-radius: 8px; padding: 7px 12px; background: #ecfdf3; color: var(--ok); }
button.small { padding: 5px 9px; font-size: 12px; }

.badge {
  display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px;
  background: #f2f4f7; color: #475467; white-space: nowrap;
}
.badge.status-received_scan, .badge.status-approval_pending { background: #fff7e6; color: #b54708; }
.badge.status-approval_matched, .badge.status-comparing { background: #e8f1ff; color: #175cd3; }
.badge.status-compared_match, .badge.status-compared_diff { background: #f0f9ff; color: #026aa2; }
.badge.status-approval_printed, .badge.status-stamped, .badge.status-stamped_scanned { background: #eef4ff; color: #3538cd; }
.badge.status-archived_local, .badge.status-archived_dingtalk { background: #ecfdf3; color: #067647; }
.badge.status-shipped, .badge.status-awaiting_counterparty { background: #fff4ed; color: #b93815; }
.badge.status-return_pending { background: #fef3f2; color: #b42318; }
.badge.status-returned { background: #f4f3ff; color: #5925dc; }
.badge.status-closed { background: #f2f4f7; color: #344054; }
.badge.status-cancelled { background: #fef3f2; color: #b42318; }

.drawer {
  position: fixed; top: 0; right: 0; width: min(720px, 100vw); height: 100vh;
  background: var(--card); border-left: 1px solid var(--line); box-shadow: -12px 0 40px rgba(16, 24, 40, 0.12);
  z-index: 30; display: flex; flex-direction: column;
}
.drawer-head { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--line); }
.drawer-title { font-weight: 700; font-size: 16px; }
.drawer-body { overflow: auto; padding: 18px 20px 60px; }
.section { border-top: 1px solid var(--line); padding-top: 14px; margin-top: 14px; }
.section:first-child { border-top: 0; margin-top: 0; padding-top: 0; }
.section-title { font-weight: 700; margin-bottom: 8px; }
.kv { display: grid; grid-template-columns: 120px 1fr; gap: 6px 12px; font-size: 13px; }
.kv .k { color: var(--muted); }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0; }
.form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 10px 0; }
.form label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
.form label.full { grid-column: 1 / -1; }
.form-actions { grid-column: 1 / -1; display: flex; gap: 8px; flex-wrap: wrap; }
.list { display: flex; flex-direction: column; gap: 8px; }
.item { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; background: #fcfcfd; }
.item .line { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.item .meta { color: var(--muted); font-size: 12px; margin-top: 3px; }
.timeline { display: flex; flex-direction: column; gap: 8px; }
.event { display: grid; grid-template-columns: 150px 1fr; gap: 10px; font-size: 12px; }
.event .time { color: var(--muted); }
.pre { white-space: pre-wrap; word-break: break-word; background: #f8fafc; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font-size: 12px; }
.hint { color: var(--muted); font-size: 12px; }

.modal { position: fixed; inset: 0; background: rgba(16, 24, 40, 0.45); display: flex; align-items: center; justify-content: center; z-index: 40; padding: 16px; }
.modal-card { width: min(680px, 100%); background: var(--card); border-radius: 16px; padding: 20px; box-shadow: var(--shadow); max-height: 90vh; overflow: auto; }
.modal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.modal-title { font-weight: 700; font-size: 17px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 14px; }
.grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.grid2 label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }

.toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%); background: #101828; color: #fff; padding: 10px 16px; border-radius: 10px; z-index: 60; font-size: 13px; max-width: 90vw; }
.toast.error { background: var(--danger); }

@media (max-width: 900px) {
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .topbar { align-items: flex-start; flex-direction: column; }
  .form, .grid2 { grid-template-columns: 1fr; }
  main { padding: 14px; }
  .drawer { width: 100vw; }
}