:root {
  --bg: #f4f5f7;
  --card: #fff;
  --text: #1f2328;
  --muted: #6b7280;
  --line: #e5e7eb;
  --accent: #2563eb;
  --accent-weak: #dbe6ff;
  --ok: #15803d;
  --ok-bg: #e7f6ec;
  --warn: #b45309;
  --warn-bg: #fdf3e2;
  --bad: #b91c1c;
  --bad-bg: #fdeaea;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: #f1f3f5; padding: 2px 6px; border-radius: 4px; word-break: break-all; }

/* 顶部导航 */
.topbar {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 6px 16px; padding: 10px 16px; background: #111827; color: #fff;
}
.topbar .brand { color: #fff; font-weight: 600; font-size: 16px; }
.topbar nav { display: flex; flex-wrap: wrap; align-items: center; gap: 2px; }
.topbar nav a, .topbar nav button.link {
  color: #d1d5db; padding: 4px 10px; border-radius: 6px; font-size: 14px; text-decoration: none;
}
.topbar nav a.on, .topbar nav a:hover, .topbar nav button.link:hover { color: #fff; background: rgba(255, 255, 255, .12); }

main { max-width: 1200px; margin: 0 auto; padding: 16px; }
.narrow { max-width: 600px; margin-left: auto; margin-right: auto; }
h1 { font-size: 20px; margin: 4px 0 16px; }
h2 { font-size: 16px; margin: 0 0 12px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin-bottom: 16px; }
.hint { font-size: 13px; color: var(--muted); }
.pre { white-space: pre-wrap; }
.nowrap { white-space: nowrap; }
.empty { text-align: center; color: var(--muted); padding: 32px 0; }
.head-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.head-row input { width: auto; }

.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; }
.flash.ok { background: var(--ok-bg); color: var(--ok); }
.flash.error { background: var(--bad-bg); color: var(--bad); }

/* 表单 */
label { display: block; font-size: 14px; color: var(--muted); margin: 14px 0 4px; }
.req { color: var(--bad); }
input[type=text], input[type=password], input[type=number], input[type=date], input[type=month],
input[type=search], input[type=file], select, textarea {
  width: 100%; padding: 9px 10px; border: 1px solid #d1d5db; border-radius: 8px;
  font: inherit; background: #fff; color: var(--text);
}
input[type=file] { padding: 7px; }
input:disabled { background: #f3f4f6; color: var(--muted); }
textarea { min-height: 80px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 3px solid var(--accent-weak); border-color: var(--accent); }
.field:first-of-type label { margin-top: 0; }
.has-error input, .has-error select, .has-error textarea { border-color: var(--bad); }
.field-error { color: var(--bad); font-size: 13px; margin-top: 4px; }
.row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 0 12px; }
.checks { margin-top: 14px; display: flex; flex-direction: column; gap: 6px; }
label.check { display: flex; align-items: center; gap: 8px; margin: 0; color: var(--text); }
.inline-form { display: flex; gap: 6px; align-items: center; }
.inline-form input { width: 110px; padding: 4px 8px; font-size: 13px; }
form.inline { display: inline; }
details summary { cursor: pointer; }

/* 按钮 */
.btn {
  display: inline-block; padding: 9px 16px; border-radius: 8px; border: 1px solid #d1d5db;
  background: #fff; color: var(--text); font: inherit; cursor: pointer; text-decoration: none; line-height: 1.4;
}
.btn:hover { text-decoration: none; border-color: #9ca3af; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.ok { background: var(--ok); border-color: var(--ok); color: #fff; }
.btn.danger { color: var(--bad); border-color: #f1b5b5; }
.btn.small { padding: 3px 10px; font-size: 13px; }
.btn.block { display: block; width: 100%; }
.btn.on { border-color: var(--accent); color: var(--accent); }
.btn:disabled { opacity: .45; cursor: default; }
button.link { background: none; border: 0; cursor: pointer; font: inherit; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 16px; }

/* 状态标签 */
.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; font-weight: 500; white-space: nowrap; background: #eef0f3; color: var(--muted); vertical-align: middle; }
.badge.pending { background: var(--warn-bg); color: var(--warn); }
.badge.approved { background: var(--ok-bg); color: var(--ok); }
.badge.rejected { background: var(--bad-bg); color: var(--bad); }
.badge.admin { background: var(--accent-weak); color: var(--accent); }
.badge.super { background: var(--accent); color: #fff; }

/* 数字卡片 */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { display: block; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; color: inherit; }
.stat .num { font-size: 20px; font-weight: 600; font-variant-numeric: tabular-nums; text-align: left; overflow-wrap: anywhere; }
.stat .lbl { font-size: 13px; color: var(--muted); }
a.stat:hover { border-color: var(--accent); text-decoration: none; }
.stat.warn .num { color: var(--warn); }
.stat.bad .num { color: var(--bad); }

/* 表格 */
.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: 10px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; white-space: nowrap; }
th { background: #f9fafb; color: var(--muted); font-weight: 500; }
tfoot th, tfoot td { background: none; color: var(--text); font-weight: 600; border-top: 2px solid var(--line); border-bottom: 0; }
td.wrap { white-space: normal; min-width: 140px; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
tbody tr:last-child td { border-bottom: 0; }
tr.muted td { color: var(--muted); }
.thumb-link { display: inline-flex; align-items: center; gap: 4px; }
.thumb { width: 44px; height: 44px; object-fit: cover; border-radius: 6px; border: 1px solid var(--line); display: block; }

.filters { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; align-items: end; }
.filters label { margin: 0 0 4px; }
.filters input, .filters select { height: 42px; }
.filter-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; grid-column: 1 / -1; }
.pager { display: flex; gap: 10px; align-items: center; justify-content: center; margin: 16px 0; }

/* 图片 */
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 8px; margin-bottom: 8px; }
.gallery img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); display: block; }
label.shot { margin: 0; color: var(--text); font-size: 13px; }
label.shot span { display: flex; align-items: center; gap: 4px; margin-top: 4px; }
.preview { display: grid; grid-template-columns: repeat(auto-fill, minmax(72px, 1fr)); gap: 6px; margin-top: 8px; }
.preview:empty { display: none; }
.preview img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 6px; }

/* 订单详情 */
dl.fields { display: grid; grid-template-columns: 96px 1fr; gap: 8px 12px; margin: 0; }
dl.fields dt { color: var(--muted); }
dl.fields dd { margin: 0; word-break: break-all; }

/* 打手的订单列表 */
.item { display: block; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; margin-bottom: 10px; color: inherit; }
.item:hover { border-color: var(--accent); text-decoration: none; }
.item .top { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.item .title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.item .amount { font-weight: 600; white-space: nowrap; }
.item .meta { font-size: 13px; color: var(--muted); margin-top: 2px; }
.reject { color: var(--bad); font-size: 13px; margin-top: 4px; }

.big-url { font-size: 22px; font-weight: 600; margin: 4px 0 8px; word-break: break-all; }

@media (max-width: 600px) {
  main { padding: 12px; }
  .topbar { padding: 8px 12px; }
  .topbar nav a, .topbar nav button.link { padding: 4px 7px; }
  dl.fields { grid-template-columns: 80px 1fr; }
}

/* 订单列表、批量录入 */
.narrow.wide { max-width: 900px; }
.actions.tight { margin-top: 0; }
.top-actions { margin: 0 0 16px; }
.row-link { margin-left: 6px; font-size: 12px; color: var(--muted); }
.row-link:hover { color: var(--accent); }
tr.bad-row td { background: var(--bad-bg); }
.bad-text { color: var(--bad); }
.card ul.hint { padding-left: 20px; margin: 8px 0; }
.problem-box { border-color: #f1b5b5; background: #fffafa; }
.problem-box h2 { color: var(--bad); }
.problem-box ul { margin: 0 0 8px; padding-left: 20px; }
.problem-box li { margin: 4px 0; }
td.problem-cell { min-width: 200px; }

/* 订单列表：选择显示哪些列 */
.table-tools { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 8px; }
.column-picker { position: relative; }
.column-picker > summary { list-style: none; cursor: pointer; }
.column-picker > summary::-webkit-details-marker { display: none; }
.column-panel {
  position: absolute; right: 0; top: calc(100% + 6px); z-index: 20; width: 300px; max-width: calc(100vw - 32px);
  background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .12);
}
.column-list { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 12px; max-height: 50vh; overflow: auto; }
.column-panel .actions { margin-top: 12px; }

/* 大表格在自己的区域里滚动：往下翻时表头固定，往右拖时勾选框和编号固定 */
.grid { max-height: calc(100vh - 90px); overflow: auto; }
.grid thead th { position: sticky; top: 0; z-index: 2; box-shadow: inset 0 -1px 0 var(--line); }
.grid .pin { position: sticky; z-index: 1; background: var(--card); }
.grid thead th.pin { z-index: 3; background: #f9fafb; }
.grid .pin-1 { left: 0; width: 44px; min-width: 44px; max-width: 44px; }
.grid .pin-2 { left: 44px; box-shadow: inset -1px 0 0 var(--line); }
.grid thead th.pin-2 { box-shadow: inset -1px -1px 0 var(--line); }