/* 全局样式。页面里尽量只用这些现成的 class，保持统一。 */
:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --border: #dcdfe6;
  --border-light: #ebeef5;
  --text: #1f2329;
  --muted: #86909c;
  --primary: #1f6feb;
  --primary-light: #e8f0fe;
  --danger: #d93026;
  --danger-light: #fdecea;
  --warn: #b26a00;
  --warn-light: #fff4e0;
  --ok: #1a7f37;
  --ok-light: #e6f4ea;
  --radius: 6px;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0 0 12px; font-weight: 600; }
h1 { font-size: 20px; } h2 { font-size: 17px; } h3 { font-size: 15px; }

/* 布局 */
.layout { display: flex; min-height: 100vh; }
.sidebar { width: 180px; background: #1f2329; color: #c9cdd4; flex-shrink: 0; padding: 16px 0; }
.sidebar .brand { color: #fff; font-weight: 600; font-size: 15px; padding: 0 18px 16px; border-bottom: 1px solid #333; margin-bottom: 8px; }
.sidebar a { display: block; color: #c9cdd4; padding: 9px 18px; }
.sidebar a:hover { background: #2b3038; text-decoration: none; }
.sidebar a.active { background: var(--primary); color: #fff; }
.main { flex: 1; padding: 20px 24px; min-width: 0; }
.page-head { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.page-head h1 { margin: 0; }
.spacer { flex: 1; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.col { display: flex; flex-direction: column; gap: 8px; }

.card { background: var(--panel); border: 1px solid var(--border-light); border-radius: var(--radius); padding: 16px; margin-bottom: 16px; }
.card > h2:first-child, .card > h3:first-child { margin-top: 0; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.red { color: var(--danger); font-weight: 600; }
.green { color: var(--ok); }
.right { text-align: right; }
.center { text-align: center; }
.nowrap { white-space: nowrap; }
.pre { white-space: pre-wrap; }
.mono { font-family: Menlo, Consolas, monospace; font-size: 13px; }

/* 按钮 */
.btn { display: inline-flex; align-items: center; gap: 4px; border: 1px solid var(--border); background: #fff; color: var(--text);
  padding: 5px 12px; border-radius: var(--radius); cursor: pointer; font-size: 14px; line-height: 1.4; white-space: nowrap; }
.btn:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: #1a5fd0; color: #fff; }
.btn-danger { color: var(--danger); border-color: #f2b8b5; }
.btn-danger:hover { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-sm { padding: 2px 8px; font-size: 12px; }
.btn-link { border: none; background: none; color: var(--primary); padding: 0 4px; cursor: pointer; font-size: inherit; }
.btn-link.danger { color: var(--danger); }

/* 表单 */
input[type=text], input[type=number], input[type=date], input:not([type]), select, textarea {
  border: 1px solid var(--border); border-radius: 4px; padding: 5px 8px; font: inherit; background: #fff; color: var(--text); min-width: 0; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 2px var(--primary-light); }
textarea { width: 100%; min-height: 70px; resize: vertical; }
input.num { width: 80px; text-align: right; }
input.w-sm { width: 90px; } input.w-md { width: 160px; } input.w-lg { width: 260px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px 16px; }
.form-grid label, .field { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: #4e5969; }
.form-grid label input, .form-grid label select { width: 100%; }
.form-grid .full { grid-column: 1 / -1; }

/* 表格 */
table.grid { width: 100%; border-collapse: collapse; background: #fff; }
table.grid th, table.grid td { border: 1px solid var(--border-light); padding: 6px 8px; text-align: left; vertical-align: middle; }
table.grid th { background: #f7f8fa; font-weight: 600; color: #4e5969; white-space: nowrap; }
table.grid tbody tr:hover { background: #fafbfc; }
table.grid td.num, table.grid th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.grid td input, table.grid td select { width: 100%; }
table.grid td input.num { width: 100%; }
table.grid tfoot td { background: #f7f8fa; font-weight: 600; }
table.grid tr.row-warn td { background: var(--warn-light); }
table.grid tr.row-danger td { background: var(--danger-light); }
.table-wrap { overflow-x: auto; }

/* 标签 */
.tag { display: inline-block; padding: 0 8px; border-radius: 10px; font-size: 12px; line-height: 20px; background: #f2f3f5; color: #4e5969; white-space: nowrap; }
.tag-blue { background: var(--primary-light); color: var(--primary); }
.tag-green { background: var(--ok-light); color: var(--ok); }
.tag-red { background: var(--danger-light); color: var(--danger); }
.tag-orange { background: var(--warn-light); color: var(--warn); }

/* 提示框 */
.alert { padding: 8px 12px; border-radius: var(--radius); margin-bottom: 12px; }
.alert-warn { background: var(--warn-light); color: var(--warn); }
.alert-danger { background: var(--danger-light); color: var(--danger); }
.alert-info { background: var(--primary-light); color: #1a4fa0; }
.alert-ok { background: var(--ok-light); color: var(--ok); }

/* 标签页 */
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin-bottom: 16px; flex-wrap: wrap; }
.tabs a { padding: 8px 14px; color: #4e5969; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs a:hover { color: var(--primary); text-decoration: none; }
.tabs a.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

/* 图片 */
.gallery { display: flex; flex-wrap: wrap; gap: 10px; }
.gallery .thumb { width: 130px; border: 1px solid var(--border-light); border-radius: var(--radius); background: #fff; overflow: hidden; }
.gallery .thumb img { width: 130px; height: 130px; object-fit: cover; display: block; cursor: zoom-in; background: #f2f3f5; }
.gallery .thumb .cap { padding: 4px; }
.gallery .thumb .cap input { width: 100%; font-size: 12px; padding: 2px 4px; }
.gallery .thumb .ops { display: flex; justify-content: space-between; padding: 0 4px 4px; font-size: 12px; }
.gallery .upload { width: 130px; height: 130px; border: 1px dashed var(--border); border-radius: var(--radius); display: flex;
  align-items: center; justify-content: center; color: var(--muted); cursor: pointer; text-align: center; font-size: 13px; }
.gallery .upload:hover { border-color: var(--primary); color: var(--primary); }
.gallery.small .thumb, .gallery.small .thumb img { width: 64px; height: 64px; }
.gallery.small .upload { width: 64px; height: 64px; font-size: 12px; }
img.mini { width: 40px; height: 40px; object-fit: cover; border-radius: 4px; border: 1px solid var(--border-light); vertical-align: middle; }

/* 弹窗 */
.modal-mask { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: flex; align-items: flex-start; justify-content: center;
  z-index: 100; padding: 60px 16px; overflow-y: auto; }
.modal { background: #fff; border-radius: 8px; width: 640px; max-width: 100%; padding: 20px; box-shadow: 0 8px 30px rgba(0,0,0,.2); }
.modal.wide { width: 960px; }
.modal h2 { margin-bottom: 16px; }
.modal .foot { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }
.lightbox { position: fixed; inset: 0; background: rgba(0,0,0,.85); z-index: 200; display: flex; align-items: center; justify-content: center; cursor: zoom-out; }
.lightbox img { max-width: 92vw; max-height: 92vh; }

/* 轻提示 */
.toasts { position: fixed; top: 16px; right: 16px; z-index: 300; display: flex; flex-direction: column; gap: 8px; }
.toast { padding: 10px 16px; border-radius: var(--radius); background: #1f2329; color: #fff; box-shadow: 0 4px 12px rgba(0,0,0,.2); max-width: 420px; }
.toast.error { background: var(--danger); }
.toast.ok { background: var(--ok); }

.empty { padding: 32px; text-align: center; color: var(--muted); }
.calc-process { font-family: Menlo, Consolas, monospace; font-size: 12.5px; color: #4e5969; line-height: 1.7; }

/* ---- S4 采购与齐套（tab_purchase.js）：状态下拉框着色、到货不足、齐套大标签 ---- */
select.st-gray { background: #f2f3f5; color: #4e5969; }
select.st-blue { background: var(--primary-light); color: var(--primary); border-color: #b7cff9; }
select.st-orange { background: var(--warn-light); color: var(--warn); border-color: #f0d09a; }
select.st-green { background: var(--ok-light); color: var(--ok); border-color: #a8d8b6; }
table.grid td.cell-short input { border-color: var(--danger); color: var(--danger); font-weight: 600; }
.tag.kit-big { font-size: 15px; line-height: 28px; padding: 0 14px; border-radius: 14px; font-weight: 600; }

/* ---- S3：下单矩阵 / BOM / 用量计算 ---- */
table.order-matrix { width: auto; }
table.order-matrix td input.num { width: 84px; }
table.order-matrix input.bad { border-color: var(--danger); background: var(--danger-light); }
table.order-matrix .order-total { font-size: 16px; color: var(--primary); }
table.bom-table .bom-mat { line-height: 1.8; }
table.bom-table .bom-mat img.mini { width: 24px; height: 24px; margin-right: 4px; }
table.bom-table .btn-link:disabled { color: var(--border); cursor: default; }
.bom-pick, .bom-usage { background: #fafbfc; padding: 12px; margin-bottom: 12px; }
.calc-summary { gap: 6px 8px; }
table.calc-table tr.calc-group td { background: #f2f3f5; }
table.calc-table tr.calc-process-row td { background: #fcfcfd; padding-top: 2px; padding-bottom: 6px; border-top: none; }
table.bom-table td.bom-mats { min-width: 280px; }
table.calc-table td:nth-child(-n+2), table.calc-table td:nth-child(5) { white-space: nowrap; }
table.calc-table tr.calc-group td, table.calc-table tr.calc-process-row td { white-space: normal; }

/* ---- 采购表：列多，缩小内边距和日期框，1366 / 1440 宽的屏幕上尽量不用左右拖 ---- */
table.grid.purchase-table th, table.grid.purchase-table td { padding: 5px 6px; }
table.grid.purchase-table input[type=date] { padding: 4px 4px; }

/* ---- 顶栏：全局搜索 / 上次备份 / 退出 ---- */
.topbar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.logout-form { margin: 0; }

/* ---- 顶栏：上次备份（超过 36 小时没成功变红） ---- */
.backup-badge{font-size:13px;color:#4e5969}
.backup-badge.red{color:#f53f3f;font-weight:600}

/* ---- 顶栏全局搜索（components.js GlobalSearch） ---- */
.gsearch { position: relative; }
.gsearch input { width: 280px; }
.gsearch-pop { position: absolute; top: 100%; left: 0; z-index: 50; min-width: 360px; max-height: 70vh; overflow: auto;
  margin-top: 4px; background: #fff; border: 1px solid #e5e6eb; border-radius: 6px; box-shadow: 0 4px 16px rgba(0,0,0,.12); }
.gsearch-group { padding: 4px 0; }
.gsearch-group + .gsearch-group { border-top: 1px solid var(--border-light); }
.gsearch-title { padding: 4px 12px 2px; font-size: 12px; font-weight: 600; color: var(--muted); }
.gsearch-item { display: block; padding: 6px 12px; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.gsearch-item:hover { background: var(--primary-light); color: var(--text); text-decoration: none; }
.gsearch-main { font-weight: 600; }
.gsearch-item .muted { margin-left: 8px; }
.gsearch-empty { padding: 12px; color: var(--muted); text-align: center; }

/* ---- 手机（窄屏 ≤ 768px）：左侧导航变成顶部横条、标签页条左右滑、表格在自己的框里左右滑，整页不横向滚动 ---- */
@media (max-width: 768px) {
  html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }   /* 横屏时 iPhone 不自动放大字 */
  .layout { flex-direction: column; }
  .sidebar { width: auto; padding: 0; white-space: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .sidebar .brand { display: none; }                                    /* 浏览器标签上已经有名字，手机上省掉这一块 */
  .sidebar a { display: inline-block; padding: 10px 14px; }
  .main { padding: 12px; }

  /* 顶栏：搜索框单独占一行，"上次备份"和"退出"排在下一行 */
  .topbar { flex-wrap: wrap; gap: 8px; }
  .topbar .gsearch { flex: 1 1 100%; min-width: 0; }
  .topbar .gsearch input { width: 100%; font-size: 16px; }              /* 16px：iPhone 点进输入框不会自动放大页面 */
  .gsearch-pop { min-width: 0; width: 100%; left: 0; }

  .page-head { gap: 8px; }
  .page-head h1 { font-size: 18px; }
  input.w-lg { width: 100%; }
  .card { padding: 12px; }

  /* 款详情 11 个标签：不折行，左右滑 */
  .tabs { flex-wrap: nowrap; overflow-x: auto; overflow-y: hidden; -webkit-overflow-scrolling: touch; }
  .tabs a { flex-shrink: 0; white-space: nowrap; padding: 8px 12px; margin-bottom: 0; }

  /* 表格：比电脑上略紧；外面的 table-wrap 负责左右滑 */
  table.grid th, table.grid td { padding: 5px 6px; }
  table.grid td { min-width: 5em; }                                     /* 长款名不被挤成一字一行；宽了就在框里左右滑 */
  .table-wrap { -webkit-overflow-scrolling: touch; }

  .alert { overflow-wrap: anywhere; }                                   /* 长文件名不撑宽页面 */
  .modal-mask { padding: 16px 8px; }
  .modal { padding: 14px; }
  .toasts { left: 8px; right: 8px; top: 8px; }
  .toast { max-width: none; }
}