:root{
  --bg:#F7F5F2;--card:#fff;--text:#162033;--muted:#6f7b8d;--line:#dce4ee;
  --brand:#C2670C;--brand2:#9A5109;--good:#0a8f55;--warn:#b56c00;--bad:#c53535;
  --tint:#FBEFE1;--safeT:env(safe-area-inset-top);--safeB:env(safe-area-inset-bottom);
  --hdr:50px;--nav:54px;
}
*{box-sizing:border-box}
html,body{margin:0;width:100%;height:100%;overflow:hidden;background:var(--bg);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  -webkit-tap-highlight-color:transparent;-webkit-text-size-adjust:100%}
button,input,select{font:inherit}
button{cursor:pointer;touch-action:manipulation;border:0}
input,select{outline:none}

/* ---------- login ---------- */
.loginScreen{position:fixed;inset:0;display:grid;place-items:center;padding:24px;background:linear-gradient(160deg,#FDF3E6,#FBF8F4 52%,#F2EEE9);z-index:50}
.loginCard{width:min(390px,100%);background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:0 20px 50px rgba(33,55,82,.12)}
.appMark{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:var(--brand);color:#fff;font-size:31px;font-weight:800;margin-bottom:16px}
.loginCard h1{margin:0;font-size:24px}
.loginCard p{color:var(--muted);font-size:13px;margin:8px 0 22px}
.loginCard label{display:block;font-size:13px;color:var(--muted);margin:12px 0}
.loginCard input{display:block;width:100%;height:48px;touch-action:manipulation;-webkit-user-select:text;user-select:text;border:1px solid var(--line);border-radius:12px;margin-top:7px;padding:0 13px;background:#fbfdff;color:var(--text);font-size:16px}
.loginCard button{width:100%;height:48px;border-radius:12px;background:var(--brand);color:#fff;font-weight:800;margin-top:8px}
.formError{min-height:20px;color:var(--bad);font-size:12px;margin-top:10px}

/* ---------- shell ---------- */
.appShell{height:100vh;height:100svh;width:100%;overflow:hidden;display:flex;flex-direction:column}
.appHeader{flex:0 0 auto;height:calc(var(--hdr) + var(--safeT));padding:var(--safeT) 12px 0;display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line)}
.appHeader>div:first-child{display:flex;gap:8px;align-items:baseline}
.appHeader strong{color:var(--brand);font-size:18px}
.appHeader span{font-size:11px;color:var(--muted)}
.headerActions{display:flex;align-items:center;gap:6px}
.iconBtn{background:var(--tint);border-radius:8px;height:29px;padding:0 9px;color:#4b5d72;font-size:11px}

/* 不再用横向滚动+scroll-snap 容器。
   iOS 主屏模式下，聚焦输入框时 WebKit 要把它滚进可视区，
   而这个容器 overflow-y:hidden 滚不动，focus 会被直接放弃 —— 键盘就不弹了。
   改成纯显示/隐藏切页，横滑用 touch 事件自己判断。 */
.pages{flex:1 1 auto;min-height:0;position:relative;overflow:hidden}
.page{display:none;width:100%;height:100%;overflow:hidden;padding:7px 8px}
.page.active{display:block}
.pageInner{height:100%;background:#fff;border:1px solid var(--line);border-radius:15px;padding:9px;display:flex;flex-direction:column;gap:7px;overflow:hidden}

.bottomNav{flex:0 0 auto;height:calc(var(--nav) + var(--safeB));padding:4px 8px var(--safeB);display:grid;grid-template-columns:repeat(3,1fr);gap:6px;background:#fff;border-top:1px solid var(--line)}
.navBtn{background:var(--tint);border-radius:11px;color:#5a6b80;font-size:11px;font-weight:700;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px}
.navBtn span{font-size:16px;line-height:1}
.navBtn.active{background:var(--brand);color:#fff}

/* ---------- shared bits ---------- */
.secTitle{flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;gap:8px}
.secTitle b{font-size:14px}
.titleTools{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--muted)}
.chipBtn{background:var(--tint);color:#4b5d72;border-radius:8px;height:26px;padding:0 10px;font-size:11px;font-weight:700}
.chipBtn.accent{background:var(--brand);color:#fff}
.loadedTag{background:#e6f4ec;color:var(--good);border-radius:6px;padding:2px 7px;font-weight:700}
.hintLine{flex:0 0 auto;margin:0;font-size:11px;line-height:1.5;color:var(--muted)}
.savedGood{color:var(--good);font-weight:700}

.inputGrid{flex:1 1 auto;display:grid;gap:5px;min-height:44px;max-height:64px}
.inputGrid.g4{grid-template-columns:repeat(4,1fr)}
.inputGrid.g3{grid-template-columns:repeat(3,1fr)}
.inputGrid.g2{grid-template-columns:repeat(2,1fr)}
/* ---- iOS 主屏模式下点 label 唤不起键盘，所以让 input 铺满整格 ----
   标签和单位改成覆盖在上面的装饰层，pointer-events:none，手指点哪里都落在 input 上 */
.miniField{position:relative;background:#FBFAF8;border:1px solid var(--line);border-radius:9px;min-height:44px;overflow:hidden}
.miniField>input{
  position:absolute;inset:0;width:100%;height:100%;
  border:0;background:transparent;outline:none;
  padding:18px 8px 2px 8px;
  color:var(--text);font-size:17px;font-weight:700;
  -webkit-user-select:text;user-select:text;touch-action:manipulation;
  -webkit-appearance:none;appearance:none;border-radius:9px;
}
.miniField>input::-webkit-outer-spin-button,.miniField>input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.miniField>input[type=number]{-moz-appearance:textfield}
.miniField>input:focus{background:#fff}
/* 标签在左、单位在右，同占顶部一行；数值独占下面整行，长数字不会被挤掉 */
.fLab{position:absolute;top:4px;left:8px;right:34px;font-size:10.5px;line-height:1.3;color:var(--muted);
  pointer-events:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fUnit{position:absolute;top:4px;right:8px;font-style:normal;font-size:9.5px;line-height:1.45;
  color:#9aa8b8;pointer-events:none;white-space:nowrap}

.badNotice{background:#fdeceb;color:var(--bad);border-radius:8px;padding:6px 9px;font-size:11px}

/* ---------- results ---------- */
.resultRow{flex:1.4 1 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:6px;min-height:66px;max-height:104px}
.resultCard{border-radius:11px;padding:9px 10px;display:flex;flex-direction:column;justify-content:center;gap:2px;min-width:0}
.resultCard span{font-size:11px;opacity:.8}
.resultCard strong{font-size:22px;font-weight:800;line-height:1.15;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.resultCard strong small{font-size:10px;font-weight:700;margin-left:2px;opacity:.85}
.resultCard em{font-style:normal;font-size:10.5px;opacity:.85;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.resultCard.box{background:#FBEADA;color:var(--brand2)}
.resultCard.qty{background:#EDEEF9;color:#3F4BA8}
.resultCard.box strong{font-size:17px}
.resultCard.wt{background:#e7f5ee;color:var(--good)}
.resultCard.wt.neg{background:#fdeceb;color:var(--bad)}

.suggestBox{flex:0 0 auto;border-radius:11px;padding:8px 10px;font-size:11.5px;line-height:1.55;border:1px dashed}
.suggestBox.save{background:#fff7e8;border-color:#f0c476;color:#7a4f00}
.suggestBox.tight{background:#F5F2EE;border-color:#c8d6e5;color:#4b5d72}
.suggestBox.none{background:#fdeceb;border-color:#f0b3ae;color:var(--bad)}
.suggestBox b{font-size:13px}
.suggestBox .save-amt{font-weight:800}

/* 关键：这一块吃掉所有剩余竖向空间，页面底部不再留白 */
.detailScroll{flex:1 1 auto;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;display:flex;flex-direction:column;gap:6px}
/* 上面的输入和结果卡各有封顶，剩下的高度交给明细表，行距自动撑开 */
.panel{flex:1 0 auto;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.panel .kvList{flex:1 0 auto;grid-auto-rows:minmax(28px,1fr)}
.kvList div{align-items:center}
.panelHead{background:#F7F4F0;padding:4px 9px;font-size:10.5px;font-weight:800;color:#5a6b80;border-bottom:1px solid var(--line)}
.kvList{display:grid;grid-template-columns:1fr 1fr;gap:0}
.kvList div{display:flex;justify-content:space-between;align-items:baseline;gap:6px;padding:4px 9px;font-size:11px;border-bottom:1px solid #f0f4f8;min-width:0}
.kvList div:nth-child(odd){border-right:1px solid #f0f4f8}
.kvList div span{color:var(--muted);white-space:nowrap}
.kvList div b{font-weight:700;text-align:right;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.kvList div.full{grid-column:1/-1;border-right:0}
.kvList b.warn{color:var(--warn)}
.kvList b.bad{color:var(--bad)}
.kvList b.good{color:var(--good)}

.pkgLine{flex:0 0 auto;background:#F5F2EE;border:1px solid var(--line);border-radius:9px;
  padding:6px 10px;font-size:11.5px;color:#4b5d72;text-align:center;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pkgLine.warn{background:#fff7e8;border-color:#f0c476;color:#7a4f00;font-weight:600}
.pkgLine.bad{background:#fdeceb;border-color:#f0b3ae;color:var(--bad);font-weight:600}

.footRow{flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;gap:8px}
.foldToggle{display:flex;align-items:center;gap:5px;font-size:11px;color:var(--muted)}
.foldToggle input{width:16px;height:16px;accent-color:var(--brand)}
button.primary{background:var(--brand);color:#fff;border-radius:10px;height:38px;padding:0 16px;font-weight:800;font-size:13px}
button.primary.sm{height:32px;font-size:12px;padding:0 13px}
button.danger{background:#fdeceb;color:var(--bad);border-radius:10px;height:38px;padding:0 16px;font-weight:700;font-size:13px}

/* ---------- library pages ---------- */
.groupScroll{flex:1 1 auto;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;display:flex;flex-direction:column;gap:8px;padding-bottom:2px}
.tierGroup{flex:0 0 auto;border:1px solid var(--line);border-radius:11px;overflow:hidden}
.tierHead{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:6px 10px;background:#FBEFE1;border-bottom:1px solid var(--line)}
.tierHead .tCode{font-weight:800;font-size:12px;color:var(--brand2)}
.tierHead .tName{font-size:10.5px;color:var(--muted);margin-left:5px;font-weight:400}
.tierHead .tFee{font-weight:800;font-size:12px;color:var(--brand2)}
.bagRow{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 10px;border-bottom:1px solid #f0f4f8;text-align:left;width:100%;background:#fff}
.bagRow:last-child{border-bottom:0}
.bagRow:active{background:#FBFAF8}
.bagRow .bMain{min-width:0}
.bagRow .bSize{font-weight:800;font-size:13.5px}
.bagRow .bMeta{font-size:10.5px;color:var(--muted);margin-top:2px}
.bagRow .bRight{text-align:right;flex:0 0 auto}
.bagRow .bThick{font-size:11px;font-weight:700;color:var(--good)}
.bagRow .bThick.tight{color:var(--bad)}
.bagRow .bPrice{font-size:10.5px;color:var(--muted);margin-top:2px}
.emptyBox{flex:0 0 auto;padding:22px 12px;text-align:center;color:var(--muted);font-size:12px;border:1px dashed var(--line);border-radius:11px}

.prodRow{flex:0 0 auto;display:flex;align-items:stretch;border:1px solid var(--line);border-radius:11px;overflow:hidden;background:#fff}
.prodMain{flex:1 1 auto;min-width:0;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:9px 10px;text-align:left;background:#fff}
.prodMain:active{background:#FBFAF8}
.prodEdit{flex:0 0 auto;width:44px;background:#FBFAF8;border-left:1px solid var(--line);color:var(--brand2);font-size:16px;display:grid;place-items:center}
.prodEdit:active{background:#FBEFE1}
.prodMain:focus-visible,.prodEdit:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}
.prodRow .pName{font-weight:800;font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.prodRow .pMeta{font-size:10.5px;color:var(--muted);margin-top:2px}
.prodRow .pBag{font-size:11.5px;font-weight:700;color:#3F4BA8}
.prodRow .pTier{font-size:10.5px;color:var(--brand2);font-weight:700;margin-top:2px}
.prodRow .bRight{text-align:right;flex:0 0 auto}

/* ---------- dialogs ---------- */
.appDialog{border:0;border-radius:18px;padding:0;width:min(430px,92vw);max-height:88svh;background:#fff;box-shadow:0 24px 60px rgba(22,32,51,.24)}
.appDialog::backdrop{background:rgba(16,26,42,.45)}
.appDialog form{padding:18px;display:flex;flex-direction:column;gap:10px;max-height:88svh;overflow-y:auto}
.appDialog h3{margin:0;font-size:17px}
.dialogClose{position:absolute;top:10px;right:12px;background:transparent;font-size:24px;color:var(--muted);line-height:1;padding:4px}
.dialogGrid{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}
.field{position:relative;background:#FBFAF8;border:1px solid var(--line);border-radius:10px;min-height:48px;overflow:hidden}
.field.wide{grid-column:1/-1}
.field>input,.field>select{
  position:absolute;inset:0;width:100%;height:100%;
  border:0;background:transparent;outline:none;
  padding:18px 8px 2px 8px;
  color:var(--text);font-size:16px;font-weight:600;
  -webkit-user-select:text;user-select:text;touch-action:manipulation;
  -webkit-appearance:none;appearance:none;border-radius:10px;
}
.field>select{-webkit-appearance:menulist;appearance:menulist;padding:17px 4px 2px 5px}
.field>input::-webkit-outer-spin-button,.field>input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.field>input[type=number]{-moz-appearance:textfield}
.field>input:focus,.field>select:focus{background:#fff}
.previewBox{background:#F5F2EE;border-radius:9px;padding:8px 10px;font-size:11px;line-height:1.6;color:#4b5d72;min-height:20px}
.previewBox b{color:var(--text)}
.dialogBtns{display:flex;gap:8px;justify-content:flex-end}
.dialogBtns button{flex:0 0 auto}
.dialogBtns .primary{flex:1 1 auto}

/* ---------- 档位覆盖 ---------- */
.coverBar{flex:0 0 auto;border:1px solid var(--line);border-radius:11px;overflow:hidden}
.coverBar .cHead{background:#F7F4F0;padding:5px 9px;font-size:10.5px;font-weight:800;color:#5a6b80;border-bottom:1px solid var(--line)}
.coverGrid{display:grid;grid-template-columns:repeat(3,1fr)}
.coverCell{padding:6px 8px;border-right:1px solid #f0f4f8;border-bottom:1px solid #f0f4f8;min-width:0}
.coverCell:nth-child(3n){border-right:0}
.coverCell .cc1{font-size:11px;font-weight:800;color:var(--brand2);display:flex;justify-content:space-between;gap:4px}
.coverCell .cc1 em{font-style:normal;font-weight:700;color:var(--muted);font-size:10px}
.coverCell .cc2{font-size:10px;margin-top:2px;color:var(--good);font-weight:700}
.coverCell.empty{background:#fffaf0}
.coverCell.empty .cc2{color:var(--warn)}
.sumRow{display:flex;flex-wrap:wrap;gap:5px;padding:7px 9px}
.sumChip{background:var(--tint);border-radius:7px;padding:3px 8px;font-size:10.5px;color:#4b5d72;font-weight:700}
.sumChip b{color:var(--brand2)}
.sumWarn{background:#fff7e8;color:#7a4f00;border-radius:7px;padding:5px 9px;font-size:10.5px;line-height:1.5;margin:0 9px 7px}

/* ---------- 底部设置条 / 汇总条 ---------- */
.settingsBar{flex:0 0 auto;border:1px solid var(--line);border-radius:11px;overflow:hidden;background:var(--card)}
.settingsBar .cHead{background:#F7F4F0;padding:5px 9px;font-size:10.5px;font-weight:800;color:#6B6257;border-bottom:1px solid var(--line)}
.setGrid{display:grid;grid-template-columns:repeat(4,1fr);gap:5px;padding:7px 9px}
.miniField.sm{min-height:40px}
.miniField.sm>input{padding:16px 6px 1px 6px;font-size:15px}
.miniField.sm .fLab{top:3px;left:6px;right:24px;font-size:9px}
.miniField.sm .fUnit{top:3px;right:6px;font-size:8.5px}
.sumRow{display:flex;flex-wrap:wrap;gap:5px;padding:7px 9px}
.sumChip{background:var(--tint);border-radius:7px;padding:3px 8px;font-size:10.5px;color:#6B5540;font-weight:700}
.sumChip b{color:var(--brand2)}
.sumWarn{background:#fff7e8;color:#7a4f00;border-radius:7px;padding:5px 9px;font-size:10.5px;line-height:1.5;margin:0 9px 7px}

/* ---------- 外箱行 ---------- */
.boxRow{flex:0 0 auto;display:flex;align-items:stretch;border:1px solid var(--line);border-radius:11px;overflow:hidden;background:#fff}
.boxMain{flex:1 1 auto;min-width:0;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:9px 10px;text-align:left;background:#fff}
.boxMain:active{background:#FBFAF8}
.boxSize{font-weight:800;font-size:14px}
.boxMeta{font-size:10.5px;color:var(--muted);margin-top:2px}
.boxRight{text-align:right;flex:0 0 auto}
.tagOk{font-size:10.5px;font-weight:700;color:var(--good)}
.tagUs{font-size:10.5px;font-weight:700;color:var(--warn)}
.tagBad{font-size:10.5px;font-weight:700;color:var(--bad)}
.boxPrice{font-size:10.5px;color:var(--muted);margin-top:2px}

.ruleHint{font-size:11px;color:var(--muted)}
.ruleHint.warn{color:var(--warn);font-weight:700}
/* 占位提示要明显比真实值淡，别被误看成已填的数 */
input::placeholder,select::placeholder{color:#a8b4c2;font-weight:400;opacity:1}