:root{
  --bg:#f5f7fa;--line:#e4e8ee;--line2:#eef1f5;--text:#1f2937;--text2:#6b7280;--text3:#9aa3af;
  --pri:#2563eb;--pri-soft:#eaf1ff;--up:#d92b2b;--down:#0f9960;--warn:#e07b00;--warn-bg:#fff5e6;
  --radius:12px;--shadow:0 1px 2px rgba(16,24,40,.04),0 8px 24px rgba(16,24,40,.06);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
.hidden{display:none!important}
button,input,select,textarea{font-family:inherit;font-size:14px;color:var(--text)}
.muted{color:var(--text3)}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace}
.grow{flex:1}
.btn{border:1px solid var(--line);background:#fff;border-radius:9px;padding:8px 13px;cursor:pointer}
.btn:hover{border-color:#c9d2e0}
.btn.primary{background:var(--pri);border-color:var(--pri);color:#fff}
.btn.primary:hover{background:#1d4fd7}
.btn.ghost{background:#f7f9fc}
.btn.danger{color:var(--up);border-color:#f1c9c9}
.btn.tiny{padding:4px 9px;font-size:12.5px}
.btn:disabled{opacity:.5;cursor:not-allowed}

.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  padding:14px 22px;background:#fff;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px}
.logo{width:34px;height:34px;border-radius:10px;background:var(--pri);color:#fff;display:flex;
  align-items:center;justify-content:center;font-weight:700}
.brand b{font-size:16px;display:block}
.brand span{font-size:12px;color:var(--text2)}
.acts{display:flex;gap:8px;flex-wrap:wrap}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;padding:16px 22px 0}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:13px 15px;box-shadow:var(--shadow)}
.card .k{font-size:12.5px;color:var(--text2)}
.card .v{font-size:22px;font-weight:700;margin-top:4px}
.card .v.red{color:var(--up)}.card .v.green{color:var(--down)}.card .v.blue{color:var(--pri)}
.card .v small{font-size:12px;font-weight:500;color:var(--text3);margin-left:3px}
.card .sub{font-size:11.5px;color:var(--text3);margin-top:3px;font-variant-numeric:tabular-nums}

.tabs{display:flex;gap:6px;padding:16px 22px 0}
.tab{border:1px solid var(--line);background:#fff;border-radius:9px;padding:7px 15px;cursor:pointer;color:var(--text2)}
.tab.active{background:var(--pri);border-color:var(--pri);color:#fff;font-weight:600}
.pane{display:none;padding:0 22px 40px}.pane.active{display:block}

.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);
  margin-top:14px;overflow:hidden}
.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;padding:12px 14px;border-bottom:1px solid var(--line2)}
.toolbar input,.toolbar select{padding:7px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;outline:none}
.toolbar input:focus,.toolbar select:focus{border-color:var(--pri)}
.chk{display:flex;align-items:center;gap:6px;margin:0;color:var(--text2);font-size:13px}
.chk input{width:auto}

table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;font-size:12.5px;color:var(--text2);padding:9px 12px;background:#fafbfd;border-bottom:1px solid var(--line2);white-space:nowrap}
td{padding:8px 12px;border-bottom:1px solid var(--line2)}
tbody tr:hover{background:#fafbfe}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.empty{padding:34px;text-align:center;color:var(--text3)}
.grp{cursor:pointer;background:#f6f8fc;font-weight:600}
.grp:hover{background:#eef2f9}
.grp td:first-child::before{content:"▸";display:inline-block;margin-right:6px;color:var(--text3)}
.grp.open td:first-child::before{transform:rotate(90deg)}
.qty-in{color:var(--up);font-weight:600}
.qty-out{color:var(--down);font-weight:600}
.qty-zero{color:var(--text3)}
.tag{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11.5px;background:#f1f3f7;color:var(--text2)}
.tag.in{background:#fdecec;color:var(--up)}
.tag.out{background:#e6f6ef;color:var(--down)}
.tag.warn{background:var(--warn-bg);color:var(--warn)}
.ops{white-space:nowrap;text-align:right}
/* 表格在窄屏（手机）可横向滑动 */
#stockBox,#mapBox,#itemBox,#ordersBox,#txBox,#contractBox{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
#stockBox table,#mapBox table,#ordersBox table{min-width:720px}
#itemBox table{min-width:680px}
#txBox table{min-width:780px}
#contractBox table{min-width:760px}
#cFiles{overflow-x:auto}
#cFiles table{min-width:480px}

.modal{position:fixed;inset:0;background:rgba(17,24,39,.42);display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}
.modal-box{background:#fff;border-radius:14px;width:100%;max-width:620px;max-height:88vh;display:flex;flex-direction:column}
.modal-head{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line2)}
.modal-head h3{font-size:15px;margin:0}
.x{border:0;background:transparent;cursor:pointer;color:var(--text2);font-size:16px}
.modal-body{padding:16px 18px;overflow:auto}
.modal-foot{padding:12px 18px;border-top:1px solid var(--line2);display:flex;justify-content:flex-end;gap:8px}
.modal-body input,.modal-body select,.modal-body textarea{width:100%;padding:8px 10px;border:1px solid var(--line);
  border-radius:8px;margin-top:4px;background:#fff;outline:none}
.modal-body input:focus,.modal-body select:focus{border-color:var(--pri)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}
.note{background:#f7f9fc;border:1px solid var(--line2);border-radius:10px;padding:10px 12px;font-size:12.5px;color:var(--text2);margin-bottom:12px}
.prev{max-height:220px;overflow:auto;border:1px solid var(--line);border-radius:10px;margin-top:6px}
.drop{border:2px dashed #cdd6e4;border-radius:12px;padding:24px;text-align:center;color:var(--text2);
  cursor:pointer;background:#fafbfd;margin-bottom:12px}
.drop:hover{border-color:var(--pri);color:var(--pri)}
.orow{display:grid;grid-template-columns:1fr 66px 66px 66px 76px 30px;gap:8px;margin-bottom:2px}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:8px;align-items:end}
.duo .u{position:relative}
.duo .u i{position:absolute;right:10px;bottom:9px;font-style:normal;font-size:12px;color:var(--text3);pointer-events:none}
.orow input{padding:8px 10px;border:1px solid var(--line);border-radius:8px;outline:none}
.orow input:focus{border-color:var(--pri)}
.odel{border:1px solid var(--line);background:#fff;border-radius:8px;cursor:pointer;height:36px}
.ohint{grid-column:1 / -1;font-size:12px;color:var(--text3);min-height:16px;margin:0 0 8px}
.printable th,.printable td{border:1px solid var(--line)}
.ordtbl th,.ordtbl td{text-align:center;vertical-align:middle}
.ordtbl th.num,.ordtbl td.num{text-align:center}
.ordtbl td.mono{text-align:center}
.assign{display:grid;grid-template-columns:1fr 1fr;gap:8px;align-items:center;margin-bottom:8px}
.assign span{font-size:12.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
/* 合同文件夹里的识别明细：对照表缺的货号整行浅红底 */
.missrow td{background:#fff6f6}
/* 表里「付 / 对」混着时，格子里补一个小字单位 */
td.num small.u,.num small.u{margin-left:3px;color:var(--text3);font-size:11px;font-weight:400}
.toast{position:fixed;left:50%;bottom:32px;transform:translateX(-50%) translateY(20px);background:#111827;color:#fff;
  padding:10px 18px;border-radius:10px;font-size:13px;opacity:0;pointer-events:none;transition:.22s;z-index:99}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.err{background:var(--up)}

/* ---------- 同步状态灯 ---------- */
.sync{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--text2);cursor:pointer;
  background:#f7f9fc;border:1px solid var(--line);border-radius:20px;padding:5px 11px;user-select:none}
.sync i{width:8px;height:8px;border-radius:50%;background:var(--text3);flex:none}
.sync.ok i{background:var(--down)}
.sync.ing i{background:var(--warn);animation:blink 1s infinite}
.sync.err i{background:var(--up)}
.sync.err{color:var(--up);border-color:#f1c9c9;background:#fff5f5}
@keyframes blink{50%{opacity:.3}}

/* ---------- 登录层 ---------- */
body.auth-mode > header,body.auth-mode > .cards,body.auth-mode > .tabs,body.auth-mode > .pane{display:none}
.auth-wrap{position:fixed;inset:0;z-index:80;display:flex;align-items:flex-start;justify-content:center;
  padding:40px 16px;background:linear-gradient(160deg,#eef3fb 0%,#f6f8fc 60%);overflow:auto}
.auth-box{width:100%;max-width:400px;background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--shadow);padding:24px 22px}
.auth-head{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.auth-head b{font-size:17px;display:block}
.auth-head span{font-size:12px;color:var(--text2)}
.auth-tabs{display:flex;gap:6px;margin-bottom:16px}
.atab{flex:1;border:1px solid var(--line);background:#fff;border-radius:9px;padding:7px 0;cursor:pointer;color:var(--text2);font-size:13px}
.atab.active{background:var(--pri);border-color:var(--pri);color:#fff;font-weight:600}
.auth-box label{display:block;font-size:12.5px;color:var(--text2);margin-bottom:12px}
.auth-box input{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:9px;margin-top:5px;outline:none;background:#fff}
.auth-box input:focus{border-color:var(--pri)}
.btn.block{display:block;width:100%;padding:10px 0;font-size:14px;margin-top:4px}
.auth-links{margin-top:12px;text-align:center;font-size:12.5px}
.auth-links a{color:var(--pri);text-decoration:none}
.auth-msg{font-size:12.5px;color:var(--text2);min-height:18px;margin-top:10px;text-align:center}
.auth-msg.err{color:var(--up)}
.auth-tip{margin-top:14px;padding-top:12px;border-top:1px dashed var(--line);font-size:11.5px;color:var(--text3);text-align:center}

/* ---------- 手机端 ---------- */
@media (max-width: 640px) {
  .topbar{padding:10px 12px}
  .acts{gap:6px}
  .btn{padding:7px 10px;font-size:12.5px}
  .brand b{font-size:15px}
  .cards{padding:12px 12px 0;gap:8px}
  .card{padding:11px 12px}
  .card .v{font-size:19px}
  .tabs{padding:12px 12px 0;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .tab{padding:6px 12px;font-size:13px;white-space:nowrap}
  .pane{padding:0 12px 30px}
  .toolbar{padding:10px 12px}
  .toolbar input,.toolbar select{min-width:120px}
  .modal{padding:10px}
  .modal-box{max-height:92vh}
  .grid2{grid-template-columns:1fr}
.orow{grid-template-columns:1fr 1fr 1fr 30px;gap:6px}
.orow .oSku{grid-column:1 / -1}
.orow .oPrice{grid-column:span 2}
  .orow input{padding:7px 8px;font-size:13px}
  .prev{max-height:160px}
  .sync{padding:4px 9px;font-size:11.5px}
  .auth-wrap{padding:20px 12px}
  .auth-box{padding:20px 16px}
}

/* ---------- 手机端细节：iOS 聚焦不放大、触控更好点、避开刘海和底部横条 ---------- */
@media (max-width: 640px) {
  input,select,textarea{font-size:16px}            /* <16px 时 iOS Safari 聚焦会自动放大页面 */
  .toolbar input,.toolbar select,.orow input,.modal-body input,.modal-body select,.modal-body textarea{font-size:16px}
  .btn{min-height:34px}
  .btn.primary,.btn.danger{min-height:36px}
  .tab{min-height:34px}
  .modal-foot .btn{min-height:40px}
  .topbar{padding-top:calc(10px + env(safe-area-inset-top))}
  .tabs{padding-left:calc(12px + env(safe-area-inset-left));padding-right:calc(12px + env(safe-area-inset-right))}
  .pane,.cards{padding-left:calc(12px + env(safe-area-inset-left));padding-right:calc(12px + env(safe-area-inset-right))}
  .pane{padding-bottom:calc(30px + env(safe-area-inset-bottom))}
  .auth-wrap{padding-top:calc(20px + env(safe-area-inset-top));padding-bottom:calc(20px + env(safe-area-inset-bottom))}
}