:root{--green:#315a44;--pale:#edf3ee;--ink:#202c24;--muted:#58675e;--line:#dce5dd;--bg:#f5f7f4;--radius:12px;--space:16px}
html{color-scheme:light;-webkit-text-size-adjust:100%;scroll-padding-top:90px}
body{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.6;overflow-wrap:anywhere}
button,input,select,textarea{font:inherit;letter-spacing:normal}
button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}
button{min-height:44px;touch-action:manipulation;font-weight:600}
button.primary,button.secondary{padding:10px 16px;min-height:44px;border-radius:9px;font-size:15px}
button.primary:hover{background:#254933}button.secondary:hover{background:var(--pale)}
button:disabled{opacity:.58;cursor:not-allowed}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #719b82;outline-offset:3px}
input,select,textarea{min-height:46px;padding:10px 12px;font-size:16px;border-color:#bbcabe}
input.check{min-height:20px;width:20px;height:20px;margin:0 8px 0 0;accent-color:var(--green);vertical-align:middle}
label{color:#48594c;font-size:14px;font-weight:500;margin:14px 0 6px}
header{padding:16px 28px;position:sticky;top:0;z-index:20;box-shadow:0 2px 8px #253a2510}
h1{font:600 21px/1.3 Georgia,serif;letter-spacing:.09em}h2{font-size:23px;line-height:1.4}h3{font-size:18px;line-height:1.5;font-weight:600}
a{color:var(--green);text-underline-offset:3px}.tiny{font-size:14px;color:var(--muted);line-height:1.6}
.shell{max-width:1480px;grid-template-columns:210px minmax(0,1fr);gap:24px;padding:0 24px;margin:24px auto}
.nav{position:sticky;top:105px;padding:10px;max-height:calc(100dvh - 130px);overflow:auto}
.nav button{font-size:15px;margin:2px 0;padding:12px 14px;min-height:46px;font-weight:500}
.nav button.active{background:var(--green);color:white;font-weight:600}
.card{padding:24px;border-radius:var(--radius);margin-bottom:20px;box-shadow:0 1px 2px #253a2505}
.cards{gap:16px}.cards .card{padding:20px}.number{font-size:30px;line-height:1.4;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.toolbar{margin-bottom:20px}.inline{gap:10px}.row{flex-wrap:wrap}.form{gap:0 20px}.pill{font-size:13px;padding:5px 11px;font-weight:500}
.notice{background:#edf3ed;color:#43594a;padding:14px 16px;font-size:14px;line-height:1.7}.warn{color:#985020}.good{color:#28603e}
.scroll{overscroll-behavior-x:contain;border-radius:8px}table{font-size:15px;font-variant-numeric:tabular-nums}th,td{padding:14px 12px;vertical-align:middle}th{background:#f4f7f3;color:#4d5e51;font-weight:600;font-size:14px}
.smallbtn{min-height:44px!important;min-width:44px;padding:8px 12px!important;font-size:14px!important}.sectionitem{flex-wrap:wrap;padding:16px;gap:12px}
.ops-period{display:flex;gap:10px;flex-wrap:wrap;align-items:end;margin-bottom:20px}.ops-period label{margin-top:0}.ops-period>div{min-width:150px}
.ops-tasks{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.ops-task{display:flex;flex-direction:column;align-items:start;text-align:left;gap:7px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:10px;color:var(--ink)}.ops-task b{font-size:25px;color:var(--green)}
.ops-status{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:6px}.ops-status::before{content:'';width:7px;height:7px;border-radius:50%;background:#4b835c}.ops-status.offline::before{background:#be7933}
.pos-layout{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:20px;align-items:start}.pos-layout .card{margin-bottom:16px}.pos-layout .form{grid-template-columns:1fr}.pos-layout #poscart table{min-width:0!important;white-space:normal}.pos-layout #poscart th,.pos-layout #poscart td{padding:10px 7px}.pos-layout #poscart .smallbtn{padding:5px!important}
.pos-search{margin-bottom:12px}.pos-pay{background:#f1f6f0;border-color:#ccdccc}.pos-pay #possum{background:transparent;padding:0;margin:14px 0}.pos-total{display:flex;justify-content:space-between;align-items:baseline;margin:10px 0;gap:12px}.pos-total strong{font-size:32px;color:var(--green);font-variant-numeric:tabular-nums}.pos-finish{width:100%;min-height:54px!important;font-size:17px!important}.pos-help{padding:12px 0}.qty-controls{display:flex;gap:6px;align-items:center}.qty-controls span{min-width:24px;text-align:center}
#scanArea:empty{display:none}#scanVideo{max-height:320px;object-fit:cover}#scanArea{scroll-margin-top:105px}.scan-files{display:flex;gap:10px;flex-wrap:wrap}.scan-files input{font-size:14px}.ops-empty{padding:28px 16px;text-align:center;color:var(--muted)}
.ops-inventory{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;margin:16px 0}.ops-stock-card{border:1px solid var(--line);border-radius:10px;padding:16px}.ops-stock-card .row{margin-top:12px}.ops-stock-card.low{background:#fff9ef;border-color:#ead6b2}.ops-stock-card strong{font-size:17px}.ops-stock-card .stock-num{font-size:23px;font-weight:600;font-variant-numeric:tabular-nums}
.ops-toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom));transform:translateX(-50%);max-width:calc(100% - 32px);padding:12px 20px;border-radius:10px;background:#243c2b;color:white;font-size:15px;z-index:100;box-shadow:0 4px 24px #0002}.ops-toast.error{background:#8c3828}
.ops-login{max-width:520px;margin:40px auto!important;padding:28px!important}.ops-login h2{margin-bottom:12px}.ops-login .primary{width:100%;min-height:50px}.footer{margin:28px auto;font-size:13px;padding-bottom:calc(25px + env(safe-area-inset-bottom))}.account-list{display:grid;gap:10px}.account-row{padding:14px;border:1px solid var(--line);border-radius:9px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
@media(max-width:1100px){.shell{grid-template-columns:180px minmax(0,1fr);gap:16px;padding:0 16px}.card{padding:20px}.pos-layout{grid-template-columns:1fr}.nav{top:102px}.ops-tasks{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:851px) and (max-width:1100px){body[data-view="pos"] .shell{grid-template-columns:145px minmax(0,1fr)}body[data-view="pos"] .pos-layout{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px}body[data-view="pos"] .card{padding:16px}}
@media(max-width:850px){header{position:relative;padding:14px 16px}.shell{grid-template-columns:1fr;margin:16px auto;padding:0 12px;gap:16px}.nav{position:sticky;top:0;z-index:15;display:flex;overflow:auto;max-height:none;gap:6px;padding:6px;flex-wrap:nowrap;box-shadow:0 3px 10px #253a2510}.nav button{width:auto;flex-shrink:0;white-space:nowrap;font-size:14px;padding:10px 13px;margin:0}.cards{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.cards .card{padding:14px;margin-bottom:14px}.number{font-size:24px}.pos-layout{grid-template-columns:1fr}.ops-period>div{flex:1;min-width:130px}#scanArea{scroll-margin-top:75px}.ops-login{margin:24px 12px!important;max-width:none}.toolbar{gap:8px}.card{padding:18px}.two{grid-template-columns:1fr}.sectionitem .inline{width:100%}.order-actions{flex-direction:row!important;flex-wrap:wrap}.order-table{min-width:0!important}.order-table thead{display:none}.order-table tr{display:block;padding:14px 0;border-bottom:2px solid var(--line)}.order-table td{display:block;width:100%!important;border:none!important;padding:5px 0!important}.order-table td:empty{display:none}.order-table td:first-child{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}.order-table td:first-child p{margin:0}.order-product{margin:8px 0!important}.order-table td:nth-child(5){display:flex;gap:20px;align-items:center}.order-table td:nth-child(5) p{margin:0}.order-table td:nth-child(5) strong{font-size:20px}.ops-inventory{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:480px){.cards{grid-template-columns:1fr}.cards .card{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:4px 12px}.cards .tiny{width:100%}.number{margin:0;font-size:28px}.ops-tasks{grid-template-columns:repeat(2,minmax(0,1fr))}.ops-inventory{grid-template-columns:1fr}.form{grid-template-columns:1fr}.pos-total strong{font-size:30px}header .inline{width:100%;justify-content:flex-end}.ops-status{margin-right:auto}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}