:root {
  --pri: #1a6bd6;
  --pri2: #0d4fa8;
  --bg: #f2f5f9;
  --card: #ffffff;
  --line: #e2e8f0;
  --txt: #1f2937;
  --mut: #6b7280;
  --green: #0e9f6e;
  --green-bg: #e6f7f1;
  --red: #d64545;
  --red-bg: #fdeaea;
  --amber: #b45309;
  --amber-bg: #fdf3e7;
  --blue-bg: #e8f1fd;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(15, 40, 80, .08), 0 4px 14px rgba(15, 40, 80, .06);
}
* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html, body { height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Roboto, sans-serif;
  background: var(--bg); color: var(--txt); font-size: 15px; line-height: 1.5;
  padding-bottom: 66px;
}
.hide { display: none !important; }
button { font: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font: inherit; }
a { color: var(--pri); text-decoration: none; }

/* 顶栏 */
header.topbar {
  position: sticky; top: 0; z-index: 20;
  background: #fff; border-bottom: 1px solid var(--line);
  padding: 8px 12px;
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.topbar .logo { font-weight: 700; font-size: 17px; color: var(--pri2); white-space: nowrap; }
.topbar .logo small { font-weight: 400; color: var(--mut); font-size: 12px; margin-left: 4px; }
.topbar .spacer { flex: 1; }
.topbar select, .topbar input {
  border: 1px solid var(--line); border-radius: 8px; padding: 6px 8px; background: #fff; font-size: 14px;
}
.person-box { display: flex; align-items: center; gap: 6px; }
.person-box input { width: 110px; }
.chip { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; }

/* 导航 */
nav.tabs {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
  background: #fff; border-top: 1px solid var(--line);
  display: flex;
}
nav.tabs button {
  flex: 1; padding: 10px 4px 12px; font-size: 13px; color: var(--mut);
  display: flex; flex-direction: column; align-items: center; gap: 2px;
}
nav.tabs button .ic { font-size: 20px; line-height: 1; }
nav.tabs button.on { color: var(--pri); font-weight: 600; }
main { max-width: 1080px; margin: 0 auto; padding: 12px; }
.view { display: none; }
.view.on { display: block; }

/* 卡片 */
.card {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  border: 1px solid var(--line); margin-bottom: 12px; overflow: hidden;
}
.card .head {
  padding: 10px 14px; border-bottom: 1px solid var(--line);
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
.card .head .t { font-weight: 600; font-size: 15px; }
.card .body { padding: 12px 14px; }
.muted { color: var(--mut); font-size: 12.5px; }
.right { margin-left: auto; }
.flex { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border-radius: 9px; padding: 8px 14px; font-weight: 600; font-size: 14px;
  background: #eef2f7; color: var(--txt); border: 1px solid transparent;
}
.btn:active { transform: scale(.98); }
.btn.pri { background: var(--pri); color: #fff; }
.btn.green { background: var(--green); color: #fff; }
.btn.blue { background: var(--blue-bg); color: var(--pri2); border-color: #c7dcf7; }
.btn.gray { background: #eef2f7; color: #455; border-color: #d5dde7; }
.btn.red { background: var(--red-bg); color: var(--red); }
.btn.warn { background: var(--amber-bg); color: var(--amber); }
.btn.sm { padding: 4px 10px; font-size: 13px; border-radius: 7px; }
.btn.big { padding: 12px 16px; font-size: 16px; width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* 工作台物料卡 */
.mgrid { display: grid; grid-template-columns: 1fr; gap: 10px; }
@media (min-width: 760px) { .mgrid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .mgrid { grid-template-columns: repeat(3, 1fr); } }
.mcard { position: relative; }
.mcard .mat-name { font-weight: 700; font-size: 16px; }
.mcard .mat-cat { font-size: 12px; color: var(--mut); margin-left: 6px; }
.statline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin: 10px 0; }
.stat { background: #f8fafc; border: 1px solid var(--line); border-radius: 8px; padding: 6px 8px; text-align: center; }
.stat b { display: block; font-size: 16px; }
.stat span { font-size: 11px; color: var(--mut); }
.stat.good b { color: var(--green); }
.actions3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }

/* 表格 */
table.tbl { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.tbl th, table.tbl td { border-bottom: 1px solid var(--line); padding: 7px 6px; text-align: left; white-space: nowrap; }
table.tbl th { background: #f8fafc; font-weight: 600; font-size: 12.5px; color: var(--mut); position: sticky; top: 0; }
table.tbl .num { text-align: right; font-variant-numeric: tabular-nums; }
table.tbl tr:hover td { background: #f7fbff; }

/* 表单 */
.fgrid { display: grid; gap: 10px; }
.frow { display: flex; flex-direction: column; gap: 4px; }
.frow label { font-size: 13px; color: var(--mut); font-weight: 600; }
.frow input, .frow select, .frow textarea {
  border: 1px solid var(--line); border-radius: 9px; padding: 9px 10px; background: #fff; font-size: 15px; width: 100%;
}
.frow input:focus, .frow select:focus { outline: 2px solid #bcd6f7; border-color: var(--pri); }
.frow .hint { font-size: 12px; color: var(--mut); }
@media (min-width: 700px) {
  .fgrid.cols2 { grid-template-columns: 1fr 1fr; }
  .fgrid.cols3 { grid-template-columns: 1fr 1fr 1fr; }
}
.seg { display: flex; gap: 8px; }
.seg > * { flex: 1; }

/* 弹层 */
.mask {
  position: fixed; inset: 0; background: rgba(15, 25, 45, .45); z-index: 50;
  display: flex; align-items: flex-end; justify-content: center;
}
.mask .sheet {
  background: #fff; width: 100%; max-width: 640px; max-height: 92vh; overflow: auto;
  border-radius: 18px 18px 0 0; padding: 16px; animation: up .18s ease;
}
@media (min-width: 700px) {
  .mask { align-items: center; }
  .mask .sheet { border-radius: 16px; max-height: 88vh; }
}
@keyframes up { from { transform: translateY(30px); opacity: .4; } to { transform: none; opacity: 1; } }
.sheet h3 { font-size: 16px; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.sheet .foot { display: flex; gap: 10px; margin-top: 14px; }
.sheet .foot .btn { flex: 1; }

/* 小工具 */
.pill { border-radius: 999px; padding: 2px 10px; font-size: 12px; font-weight: 600; }
.pill.g { background: var(--green-bg); color: var(--green); }
.pill.r { background: var(--red-bg); color: var(--red); }
.pill.a { background: var(--amber-bg); color: var(--amber); }
.pill.b { background: var(--blue-bg); color: var(--pri2); }
.listrow { display: flex; align-items: center; gap: 10px; padding: 9px 4px; border-bottom: 1px solid var(--line); }
.listrow:last-child { border-bottom: none; }
.empty { text-align: center; color: var(--mut); padding: 26px 8px; }
.ph { display: inline-block; width: 14px; height: 14px; border-radius: 50%; margin-right: 6px; }
.phimg { width: 52px; height: 52px; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); }
.alert { border-radius: 10px; padding: 10px 12px; font-size: 13.5px; margin-bottom: 10px; }
.alert.ok { background: var(--green-bg); color: var(--green); }
.alert.err { background: var(--red-bg); color: var(--red); }
.tag { background: #eef2f7; border-radius: 6px; padding: 1px 7px; font-size: 12px; color: var(--mut); }
.arrowbtn { font-size: 20px; width: 36px; height: 36px; border-radius: 9px; background: #eef2f7; display:inline-flex; align-items:center; justify-content:center; }
textarea { resize: vertical; min-height: 54px; }
.srow { display: flex; align-items: center; gap: 8px; margin: 6px 0; }
.srow input { flex: 1; min-width: 0; font-family: Consolas, Menlo, monospace; font-size: 14px; background: #f7f9fb; border: 1px dashed var(--line); }
.nowrap { white-space: nowrap; }
.swipehint { display: none; }

/* ===== 手机端体验增强（现场用手机录单/查询为主） ===== */
@media (max-width: 700px) {
  body { font-size: 14.5px; padding-bottom: calc(64px + env(safe-area-inset-bottom)); }
  /* 顶栏精简：logo 缩小、隐藏副标与“填报人”字样，装置下拉占主空间 */
  header.topbar { flex-wrap: nowrap; padding: 7px 8px; gap: 6px; }
  .topbar .logo { font-size: 15px; }
  .topbar .logo small,
  .topbar .spacer,
  .person-box > .muted { display: none; }
  .topbar select { flex: 1; min-width: 0; padding: 6px 6px; font-size: 13.5px; }
  .person-box input { width: 74px; padding: 6px; font-size: 13px; }
  main { padding: 8px 8px 14px; }
  .card { margin-bottom: 10px; }
  .card .body { padding: 10px 12px; }
  .card .head { padding: 9px 12px; }
  .card .head .t { font-size: 14.5px; }
  /* 底部导航触控加大 */
  nav.tabs button { padding: 9px 2px calc(10px + env(safe-area-inset-bottom)); font-size: 12.5px; }
  nav.tabs button .ic { font-size: 21px; }
  /* 工作台物料卡：更醒目、按钮更好点 */
  .mgrid { gap: 8px; }
  .mcard .mat-name { font-size: 16.5px; }
  .stat b { font-size: 17px; }
  .actions3 button { padding: 11px 4px; font-size: 15px; border-radius: 10px; }
  /* 输入框 16px+，避免 iOS 聚焦自动放大页面 */
  .card input, .card select, .card textarea,
  .sheet input, .sheet select, .sheet textarea { font-size: 16px; }
  /* 台账历史表：保持可横滑，并给提示 */
  table.tbl { font-size: 13px; }
  #hisBody table.tbl { min-width: 800px; }
  .swipehint { display: block; color: var(--mut); font-size: 12px; text-align: center; padding: 4px 0 6px; }
  /* 弹层贴近底部，按钮大、兼容 iPhone 底部安全区 */
  .sheet { padding-bottom: calc(14px + env(safe-area-inset-bottom)); }
  .sheet .foot .btn { padding: 13px 10px; font-size: 15.5px; border-radius: 12px; }
  .btn.sm { padding: 6px 12px; }
  /* 管理页物料行换行排列，避免太挤 */
  .listrow { flex-wrap: wrap; }
  .listrow > input, .listrow .flex { min-width: 0; }
  #matFilter { font-size: 15px; }
}

/* ===== 催化剂配制提报（手机录入友好） ===== */
.big { font-size: 19px; font-weight: 700; color: var(--pri2); font-variant-numeric: tabular-nums; }
.seg2 { display: grid; gap: 10px; }
@media (min-width: 560px) { .seg2 { grid-template-columns: 1fr 1fr; } }
.cat-row {
  border: 1px solid var(--line); border-radius: 11px; padding: 9px 12px; margin-bottom: 9px;
  background: #fff; box-shadow: 0 1px 2px rgba(15,40,80,.04);
}
.cat-row .cat-top { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.cat-row .cat-top .t { font-weight: 600; font-size: 15px; }
.cat-batch { font-size: 14px; margin: 6px 0 3px; word-break: break-all; }
.cat-dose { font-size: 12.5px; }
.cat-by { font-size: 11.5px; margin-top: 2px; }
.cat-ops { display: flex; gap: 8px; margin-top: 8px; }
.cat-ops .btn { flex: 1; padding: 9px 4px; font-size: 14px; }