:root {
  --bg: #f4f5f7; --card: #fff; --ink: #1d2330; --muted: #6b7280; --line: #e3e6ea;
  --brand: #1f5fbf; --brand-ink: #fff; --ok: #1a7f45; --ok-bg: #e5f5ec;
  --warn: #9a6200; --warn-bg: #fff4dc; --err: #b42318; --err-bg: #fdecea;
  --part: #8a5a00; --part-bg: #fff1cc; --todo-bg: #eef1f5;
  --radius: 8px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.5 -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 4px 0 14px; }
h2 { font-size: 17px; margin: 18px 0 10px; }
.card h2:first-child { margin-top: 0; }
code { font: 13px/1.3 ui-monospace, Menlo, Consolas, monospace; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.nowrap { white-space: nowrap; }
.r { text-align: right; }
.grow { flex: 1; }
.ok { color: var(--ok); } .warn { color: var(--warn); }

/* 顶栏 */
.topbar { display: flex; align-items: center; gap: 18px; padding: 0 20px; height: 52px;
  background: #18263d; color: #dfe6f2; position: sticky; top: 0; z-index: 10; }
.topbar a { color: #dfe6f2; }
.brand { font-weight: 700; font-size: 17px; color: #fff !important; white-space: nowrap; }
.brand small { font-weight: 400; opacity: .6; font-size: 12px; }
.mainnav { display: flex; gap: 4px; flex: 1; overflow-x: auto; }
.mainnav a { padding: 6px 12px; border-radius: 6px; white-space: nowrap; }
.mainnav a.on, .mainnav a:hover { background: rgba(255,255,255,.12); text-decoration: none; }
.who { display: flex; gap: 10px; align-items: center; font-size: 14px; white-space: nowrap; }
.who span { color: #fff; }
button.link { background: none; border: 0; color: #dfe6f2; padding: 0; font: inherit; cursor: pointer; min-height: 0; }

.wrap { max-width: 1280px; margin: 0 auto; padding: 18px 20px 60px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; margin-bottom: 16px; }
.card.flush { padding: 0; overflow: hidden; }
.card.narrow { max-width: 560px; margin: 40px auto; }
.card.empty { text-align: center; color: var(--muted); padding: 40px; }
.scroll { overflow-x: auto; }
.pagehead { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.pagehead .links { display: flex; gap: 14px; }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
.cols > .card { margin-bottom: 0; }
.cols + .pagehead { margin-top: 10px; }

/* 消息 */
.flash { padding: 10px 14px; border-radius: var(--radius); margin-bottom: 12px; border: 1px solid transparent; }
.flash.ok { background: var(--ok-bg); color: var(--ok); border-color: #bfe6cf; }
.flash.error { background: var(--err-bg); color: var(--err); border-color: #f5c2bd; font-weight: 600; }
.flash.message { background: #eef4ff; }
.warnbox { background: var(--warn-bg); border-color: #f2d9a0; }
.warnbox ul { margin: 0; padding-left: 20px; }

/* 表单 */
input, select, button { font: inherit; }
input, select { border: 1px solid #c9ced6; border-radius: 6px; padding: 7px 9px; background: #fff; min-height: 38px; width: 100%; }
input:focus, select:focus { outline: 2px solid #9cc0f5; border-color: var(--brand); }
input[type=radio] { width: auto; min-height: 0; }
button { border: 1px solid #c9ced6; background: #fff; border-radius: 6px; padding: 7px 16px; cursor: pointer; min-height: 38px; white-space: nowrap; }
button:hover { background: #f1f3f6; }
button.primary { background: var(--brand); border-color: var(--brand); color: var(--brand-ink); font-weight: 600; }
button.primary:hover { background: #194f9f; }
button.danger { color: var(--err); border-color: #e9a59e; }
button.danger:hover { background: var(--err-bg); }
button:disabled { opacity: .5; cursor: not-allowed; }
label { display: block; font-size: 13px; color: var(--muted); }
label > input, label > select { margin-top: 3px; color: var(--ink); font-size: 15px; }
form.inline { display: inline; }
.form2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 14px; }
.form2 .wide { grid-column: 1 / -1; }
fieldset.radios { border: 0; padding: 0; margin: 0; display: flex; gap: 18px; flex-wrap: wrap; }
fieldset.radios legend { font-size: 13px; color: var(--muted); padding: 0; margin-bottom: 4px; }
fieldset.radios label { color: var(--ink); font-size: 15px; display: flex; gap: 6px; align-items: center; }
.filters { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 14px; }
.filters label { min-width: 140px; }
.filters label:first-of-type { flex: 1; min-width: 220px; }
.filters.inline { margin: 0; }
.actions { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; position: sticky; bottom: 0; box-shadow: 0 -2px 10px rgba(0,0,0,.05); }
.actions label { min-width: 240px; }
.upload { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.upload .file { flex: 1; min-width: 260px; }
.voidform { display: flex; gap: 6px; }
.voidform input { min-width: 140px; min-height: 32px; padding: 4px 8px; font-size: 13px; }
.voidform button { min-height: 32px; padding: 4px 10px; font-size: 13px; }

/* 登录 */
.emp-pick { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.emp { display: flex; flex-direction: column; align-items: flex-start; padding: 14px; min-height: 70px; text-align: left; }
.emp strong { font-size: 17px; }
.emp span { font-size: 12px; color: var(--muted); }
.emp.office { border-color: #a9c3ec; }

/* 表格 */
table.grid { width: 100%; border-collapse: collapse; }
.grid th, .grid td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.grid th { background: #f8f9fb; font-size: 13px; color: var(--muted); font-weight: 600; white-space: nowrap; position: sticky; top: 0; }
.grid th.r, .grid td.r { text-align: right; }
.grid tbody tr:hover { background: #fafbfd; }
.grid.small td { font-size: 13.5px; }
.grid tr:last-child td { border-bottom: 0; }
.card > table.grid:not(:first-child) { margin-top: 12px; }
tr.voided td { color: #9aa1ab; text-decoration: line-through; }
tr.voided td:last-child { text-decoration: none; }
tr.skip td { color: #9aa1ab; background: #fafafa; }
tr.row-已发 td { background: #f6fbf8; }
.codes { display: block; word-break: break-all; white-space: normal; }

/* 徽标与进度 */
.badge { display: inline-block; font-size: 12px; padding: 1px 8px; border-radius: 999px; background: var(--todo-bg); color: #4b5563; white-space: nowrap; vertical-align: middle; }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.st-已完成.badge, .it-已发 { background: var(--ok-bg) !important; color: var(--ok) !important; }
.st-部分发货.badge, .it-部分 { background: var(--part-bg) !important; color: var(--part) !important; }
.tag { display: inline-block; font-size: 11px; padding: 0 6px; border-radius: 4px; background: #e8eefb; color: #2b4f8f; }
.prog { display: flex; align-items: center; gap: 8px; min-width: 200px; }
.prog + .prog { margin-top: 4px; }
.prog .bar { flex: 0 0 90px; height: 7px; background: #e7eaee; border-radius: 4px; overflow: hidden; }
.prog .bar span { display: block; height: 100%; background: var(--ok); }
.prog .num { font-size: 13px; white-space: nowrap; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 14px; display: flex; align-items: baseline; gap: 8px; }
.stat b { font-size: 24px; }
.stat span { color: var(--muted); }
.stat.st-已完成 b { color: var(--ok); } .stat.st-部分发货 b { color: var(--part); }
.tabs { display: flex; border: 1px solid #c9ced6; border-radius: 6px; overflow: hidden; }
.tabs a { padding: 6px 14px; color: var(--ink); }
.tabs a + a { border-left: 1px solid #c9ced6; }
.tabs a.on { background: var(--brand); color: #fff; }
.tabs a:hover { text-decoration: none; }
.order-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.order-head h2 { margin: 0; }
.kv { display: grid; gap: 8px; }
.kv > div { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.kv > div > span:first-child { min-width: 84px; color: var(--muted); font-size: 13px; }
.kv b { font-size: 18px; }
details > summary { cursor: pointer; font-weight: 600; margin-bottom: 8px; }
.detail .kvp { display: inline-block; margin: 0 12px 2px 0; }
.detail .kvp i { font-style: normal; color: var(--muted); }
.pager { display: flex; gap: 20px; justify-content: center; margin-top: 10px; }

/* 平板 / 窄屏 */
@media (max-width: 1000px) {
  .cols { grid-template-columns: 1fr; }
  .wrap { padding: 14px 12px 60px; }
}
@media (max-width: 700px) {
  .topbar { height: auto; flex-wrap: wrap; padding: 8px 12px; gap: 8px; }
  .mainnav { order: 3; flex-basis: 100%; }
  .who { margin-left: auto; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .form2 { grid-template-columns: 1fr; }
}
@media print {
  .topbar, .filters, .actions, form { display: none !important; }
  body { background: #fff; }
}

/* 登录与员工账号 */
form.stack { display: grid; gap: 12px; }
form.stack label > input { width: 100%; box-sizing: border-box; }
form.row-form { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
tr.muted td { color: var(--muted); }
form.docno { margin-bottom: 14px; padding-bottom: 14px; border-bottom: 1px dashed var(--line); }
form.docno input { min-width: 260px; }

/* 拆分任务 */
.siblings { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.siblings .tag.on { background: var(--brand); color: #fff; }
.split-bar .split-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; margin-bottom: 8px; }
.split-bar #it-q { min-width: 260px; flex: 1; }
.split-bar p { margin: 4px 0 0; }