:root{--blue:#087bb5;--ink:#123f54;--muted:#5d7685;--surface:#fff;--soft:#f1f8fc;--pale:#e5f3fa;--line:#d8e7ee;--mint:#17644f;--mint-soft:#e8f8f1;--red:#a23e25;--red-soft:#fff1eb;--safe-bottom:env(safe-area-inset-bottom,0px);color-scheme:light;font:14px/1.55 "Microsoft YaHei UI","PingFang SC","Segoe UI",sans-serif;color:var(--ink);background:var(--soft)}
*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0}button,input,select,textarea{font:inherit;color:inherit}button{border:0;background:transparent;min-height:44px;padding:10px 13px;cursor:pointer}button:disabled{opacity:.46;cursor:not-allowed}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible{outline:3px solid var(--blue);outline-offset:3px}h1,h2,h3,p{margin:0}h2{font-size:23px;line-height:1.35}h3{font-size:16px;font-weight:600}small,.small{font-size:12px;color:var(--muted)}a{color:var(--blue)}input,textarea{font-size:16px}textarea{resize:vertical}#inventory-app{min-height:100dvh;max-width:1440px;margin:0 auto;background:var(--surface)}.brand{display:flex;gap:12px;align-items:center;padding:17px 28px;background:var(--soft);border-bottom:1px solid var(--line)}.brand img{width:54px;height:54px;object-fit:contain;background:#fff;border-radius:10px}.brand h1{font-size:20px;font-weight:700;letter-spacing:.03em}.brand p{font-size:12px;color:var(--muted);margin-top:2px}.identity{display:flex;gap:7px;align-items:center;margin-left:auto;font-size:12px}.identity small{display:block;font-size:11px}.identity-dot{height:7px;width:7px;border-radius:50%;background:var(--mint)}.app-layout{display:grid;grid-template-columns:164px minmax(0,1fr);min-height:calc(100dvh - 90px)}.sidebar{display:flex;flex-direction:column;gap:5px;background:var(--soft);border-right:1px solid var(--line);padding:23px 12px}.nav-label{font-size:11px;color:var(--muted);padding:0 12px 10px}.sidebar button{display:flex;align-items:center;gap:10px;text-align:left;border-radius:9px}.sidebar button span{font-size:21px;width:20px;text-align:center;line-height:1}.sidebar button[aria-current=page]{background:var(--pale);color:var(--blue);font-weight:600}.sidebar-note{font-size:11px;color:var(--muted);margin-top:auto;padding:80px 12px 15px}.sidebar-note small{display:block;font-size:11px;margin-top:5px}#app-content{min-width:0;padding:29px 30px 40px;scroll-margin-top:12px}.mobile-nav{display:none}.app-message:empty{display:none}.app-message{padding:12px 28px;color:var(--blue);background:var(--pale);border-top:1px solid var(--line);font-size:13px;overflow-wrap:anywhere}.app-message.error{background:var(--red-soft);color:var(--red)}.login-panel{padding:65px 10px;max-width:520px;margin:auto;text-align:center}.login-panel p{color:var(--muted);margin:12px 0 22px}.loading-mark{width:26px;height:26px;border:3px solid var(--pale);border-top-color:var(--blue);border-radius:50%;margin:0 auto 18px;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.heading{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:20px}.heading p{color:var(--muted);margin-top:6px;font-size:12px;max-width:68ch}.tag{display:inline-flex;align-items:center;white-space:nowrap;padding:4px 8px;border-radius:5px;background:var(--pale);color:var(--blue);font-size:11px}.tag.success{background:var(--mint-soft);color:var(--mint)}.tag.danger{background:var(--red-soft);color:var(--red)}.primary{background:var(--blue);color:#fff;border-radius:8px;font-weight:600;min-height:46px}.secondary{border:1px solid var(--line);border-radius:8px;background:var(--surface)}.link{color:var(--blue);padding:4px 0;min-height:36px;font-size:12px}.full{width:100%}.button-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.button-row .primary{flex:1}.tabs{display:flex;gap:22px;border-bottom:1px solid var(--line);margin:4px 0 22px;flex-wrap:wrap}.tabs button{padding:9px 0;border-bottom:2px solid transparent;min-height:42px}.tabs button[aria-pressed=true]{color:var(--blue);border-bottom-color:var(--blue);font-weight:600}.field{display:block;margin-top:15px;min-width:0}.field>span{display:block;font-size:12px;font-weight:500;margin-bottom:6px}.field input,.field select,.field textarea,.search-input{width:100%;min-width:0;border:1px solid var(--line);border-radius:8px;background:var(--surface);padding:11px 12px;min-height:44px}.field textarea{min-height:72px;line-height:1.65}.field input[readonly]{background:var(--soft);color:var(--muted)}.field-inline{margin:0}.field-inline>span{font-size:11px}.field-note{font-size:11px;color:var(--muted);margin-top:5px}.form-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.help{font-size:12px;color:var(--muted);margin:9px 0 17px;line-height:1.65}.error-text{color:var(--red);font-size:12px;margin:9px 0;min-height:1px}.warning{padding:12px 14px;background:var(--red-soft);color:var(--red);border-radius:8px;font-size:12px;margin:14px 0}.info{padding:18px;background:var(--soft);border-radius:9px}.info h3{font-size:14px}.info dl{margin:15px 0 0;display:grid;gap:16px}.info dt{font-weight:500;font-size:13px}.info dd{margin:3px 0 0;color:var(--muted);font-size:12px}.entry-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:26px;align-items:start}.entry-label{font-weight:600;display:block;margin-bottom:9px}.order-input{width:100%;min-height:222px;border:1px solid var(--line);border-radius:8px;padding:12px;font-size:14px;line-height:1.75;background:var(--surface)}.steps{display:flex;gap:0;align-items:center;margin-bottom:26px;font-size:12px;color:var(--muted)}.step{display:flex;align-items:center;gap:7px;white-space:nowrap}.step span{display:grid;place-items:center;width:23px;height:23px;border:1px solid var(--line);border-radius:50%;font-size:11px}.step.active{color:var(--blue);font-weight:600}.step.active span{color:#fff;background:var(--blue);border-color:var(--blue)}.step.done{color:var(--mint)}.step.done span{background:var(--mint-soft);border-color:var(--mint-soft)}.step-line{height:1px;background:var(--line);flex:1;max-width:65px;margin:0 12px}.order-title{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:7px}.order-title h3{font-size:17px;overflow-wrap:anywhere}.meta{display:flex;flex-wrap:wrap;gap:8px 15px;font-size:12px;color:var(--muted)}.note{font-size:12px;margin-top:12px;padding:10px 12px;background:var(--soft);border-radius:7px;overflow-wrap:anywhere;white-space:pre-wrap}.review-layout{display:grid;grid-template-columns:minmax(0,1fr) 268px;gap:25px;margin-top:22px}.product-table{min-width:0}.table-head,.product-row{display:grid;grid-template-columns:minmax(120px,1fr) 72px 108px 78px;gap:10px;align-items:center}.table-head{font-size:11px;color:var(--muted);padding:10px 0;border-bottom:1px solid var(--line)}.product-row{padding:18px 0;border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums}.product-name{font-size:14px;font-weight:600;overflow-wrap:anywhere}.product-name small{display:block;font-weight:400;font-size:11px;margin-top:4px}.original-qty{display:block;font-size:11px;color:var(--muted);margin-top:5px}.qty{width:66px;min-height:42px;padding:8px 4px;text-align:center;border:1px solid var(--line);border-radius:7px;background:var(--surface);font-size:16px;font-variant-numeric:tabular-nums}.stock-flow{display:flex;align-items:center;justify-content:center;gap:5px;font-size:15px;white-space:nowrap;font-weight:600}.stock-flow .arrow{font-size:12px;color:var(--muted)}.stock-flow strong{color:var(--blue)}.stock-change{display:block;text-align:center;font-size:11px;color:var(--muted);margin-top:4px}.row-amount{text-align:right;font-weight:600;font-size:13px}.row-amount small{display:block;font-size:11px;font-weight:400}.row-amount input{width:88px;max-width:100%;border:1px solid var(--line);border-radius:7px;min-height:42px;padding:7px;text-align:right;font-size:16px}.product-row.is-short .stock-flow strong{color:var(--red)}.product-row.is-removed .product-name{color:var(--muted);text-decoration:line-through}.summary{background:var(--soft);padding:18px;border-radius:10px;align-self:start;min-width:0}.summary h3{font-size:15px}.summary>.primary{width:100%;margin-top:12px}.readonly{display:flex;justify-content:space-between;gap:15px;padding:10px 0;border-bottom:1px solid var(--line);font-size:12px}.readonly>span{color:var(--muted)}.readonly strong{font-weight:500;text-align:right;overflow-wrap:anywhere;min-width:0}.totals{padding:15px 0 10px;margin-top:6px}.total-line{display:flex;justify-content:space-between;gap:12px;margin-bottom:8px;font-size:12px}.total-line>span{color:var(--muted)}.total-line.grand{font-weight:600;align-items:baseline;border-top:1px solid var(--line);padding-top:12px;margin-top:13px}.total-line.grand strong{font-size:24px;color:var(--blue);font-variant-numeric:tabular-nums}.caption{font-size:11px;color:var(--muted);margin-top:9px}.check{display:flex;gap:9px;align-items:flex-start;font-size:13px;padding:9px 0;min-height:44px}.check input{width:18px;height:18px;flex-shrink:0;margin:3px 0 0;accent-color:var(--blue)}.check small{display:block;margin-top:3px}.check.danger{color:var(--red)}.confirm-panel{max-width:720px;margin:auto}.confirm-panel>h3{font-size:19px;margin-bottom:8px}.confirm-note{font-size:13px;color:var(--muted);margin-bottom:20px}.confirm-list{margin:16px 0}.confirm-item{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--line)}.confirm-item strong{font-size:13px}.confirm-item small{display:block;font-size:11px;margin-top:3px}.confirm-flow{white-space:nowrap;font-size:13px;font-variant-numeric:tabular-nums}.confirm-details{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 20px;margin:16px 0}.confirm-checks{padding:13px 16px;background:var(--soft);border-radius:9px;margin:18px 0}.confirm-actions{display:flex;gap:10px}.confirm-actions .primary{flex:1}.success-head{display:flex;align-items:center;gap:13px;padding:19px;background:var(--mint-soft);color:var(--mint);border-radius:10px;margin-bottom:23px}.success-mark{font-size:24px;line-height:1;border:1px solid var(--mint);width:40px;height:40px;border-radius:50%;display:grid;place-items:center;flex-shrink:0}.success-head h3{font-size:19px}.success-head p{font-size:12px;margin-top:4px}.receipt-meta{display:flex;gap:8px 20px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-bottom:15px}.ledger-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;padding:15px 0;border-bottom:1px solid var(--line);font-size:13px}.ledger-row strong{font-size:13px}.ledger-row small{display:block;margin-top:5px;font-size:11px}.ledger-numbers{font-variant-numeric:tabular-nums;text-align:right}.ledger-numbers span{display:block;font-size:11px;margin-top:4px;color:var(--muted)}.receipt-actions{margin-top:24px;display:flex;gap:10px;flex-wrap:wrap}.filters{display:grid;grid-template-columns:minmax(150px,220px) minmax(0,1fr) auto;gap:12px;align-items:end;margin-bottom:22px}.filters .field{margin:0}.search-input{background:var(--soft);min-height:44px}.stock-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 25px}.stock-item{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:17px 0;border-bottom:1px solid var(--line)}.stock-item h3{font-size:14px;overflow-wrap:anywhere}.stock-item p{font-size:12px;color:var(--muted);margin-top:4px}.stock-item>div:last-child{text-align:right;white-space:nowrap}.stock-item b{font-size:20px;color:var(--blue);font-variant-numeric:tabular-nums}.stock-item small{display:block;font-size:11px}.stock-item.is-short b{color:var(--red)}.pager{display:flex;justify-content:center;gap:16px;align-items:center;margin-top:24px;font-size:12px;color:var(--muted)}.pager button{min-width:72px}.empty{color:var(--muted);font-size:13px;padding:32px 0;grid-column:1/-1}.picker-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:24px;align-items:start}.picker-list{border-top:1px solid var(--line)}.picker-item{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:15px 0;border-bottom:1px solid var(--line)}.picker-item h3{font-size:14px}.picker-item p{font-size:12px;color:var(--muted);margin-top:4px}.picker-item button{flex-shrink:0;min-width:72px}.picker-item button[aria-pressed=true]{background:var(--pale);color:var(--blue);border-color:var(--pale)}.selection-item{padding:15px 0;border-bottom:1px solid var(--line)}.selection-item:first-child{padding-top:0}.selection-title{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.selection-title strong{font-size:13px;overflow-wrap:anywhere}.selection-title small{display:block;margin-top:3px;font-size:11px}.remove{color:var(--muted);font-size:12px;padding:1px 3px;min-height:26px;flex-shrink:0}.selection-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px}.selection-fields .field{margin-top:11px}.selection-fields input{padding:8px;min-height:42px}.selection-stock{font-size:11px;color:var(--muted);margin-top:8px}.selection-stock.danger{color:var(--red)}.selection-counter{display:flex;align-items:center;justify-content:space-between;margin:0 0 16px}.selection-counter strong{font-size:15px}.selection-counter span{font-size:12px;color:var(--muted)}.record-filters{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;align-items:end;margin-bottom:22px}.record-filters .field{margin:0}.record-card{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:16px 0;border-bottom:1px solid var(--line)}.record-card h3{font-size:14px;overflow-wrap:anywhere}.record-card p{font-size:12px;color:var(--muted);margin-top:4px}.record-card .link{white-space:nowrap}.muted{color:var(--muted)}.text-danger{color:var(--red)}.nowrap{white-space:nowrap}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.section-gap{margin-top:22px}.business-notice{padding-top:12px;border-top:1px solid var(--line);margin-top:15px;font-size:11px;color:var(--muted)}
@media(min-width:1100px){.review-layout{grid-template-columns:minmax(0,1fr) 290px}.summary{padding:21px}.picker-layout{grid-template-columns:minmax(0,1fr) 320px}}
@media(max-width:1000px){.review-layout{grid-template-columns:minmax(0,1fr) 246px;gap:18px}.table-head,.product-row{grid-template-columns:minmax(105px,1fr) 62px 87px 64px;gap:7px}.stock-flow{font-size:13px}.qty{width:58px}.sidebar{padding-left:8px;padding-right:8px}.app-layout{grid-template-columns:142px minmax(0,1fr)}#app-content{padding:24px 22px 32px}.picker-layout{grid-template-columns:minmax(0,1fr) 265px;gap:18px}}
@media(max-width:820px){.brand{padding:15px 20px}.app-layout{display:block;min-height:calc(100dvh - 85px)}.sidebar{display:none}#app-content{padding:24px 20px 35px}.mobile-nav{position:sticky;bottom:0;z-index:10;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));background:var(--surface);border-top:1px solid var(--line);padding:6px 8px calc(6px + var(--safe-bottom))}.mobile-nav button{display:flex;flex-direction:column;align-items:center;gap:3px;font-size:11px;padding:5px;min-height:48px;border-radius:7px}.mobile-nav button span{font-size:20px;line-height:1.1}.mobile-nav button[aria-current=page]{background:var(--pale);color:var(--blue);font-weight:600}.app-layout{min-height:calc(100dvh - 155px)}.review-layout{grid-template-columns:minmax(0,1fr) 258px}.app-message{padding:12px 20px}.record-filters{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.brand{gap:10px;padding:14px 18px}.brand img{width:48px;height:48px}.brand h1{font-size:17px}.identity{font-size:11px;gap:5px}.identity small{font-size:10px}.identity-dot{height:6px;width:6px}#app-content{padding:22px 18px 30px}h2{font-size:21px}.heading{gap:10px}.heading p{font-size:12px}.heading>.tag{margin-top:2px}.entry-layout,.review-layout,.picker-layout{grid-template-columns:minmax(0,1fr);gap:22px}.entry-layout>.info{margin-top:0}.info dl{gap:12px}.order-input{min-height:170px}.steps{margin-bottom:23px;font-size:11px}.step{gap:5px}.step-line{margin:0 9px}.step span{width:21px;height:21px}.table-head{grid-template-columns:minmax(0,1fr) 65px 92px}.table-head>span:last-child{display:none}.product-row{grid-template-columns:minmax(0,1fr) 65px 92px;gap:8px;padding:16px 0}.product-name{font-size:13px}.product-name small{font-size:10px}.row-amount{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;text-align:left;margin-top:1px;font-size:12px}.row-amount small{font-size:11px}.row-amount label{display:flex;align-items:center;gap:10px;width:100%;justify-content:space-between}.row-amount input{max-width:110px;width:110px}.stock-flow{font-size:14px}.qty{width:62px}.summary{padding:18px}.summary .form-pair{gap:12px}.stock-list{grid-template-columns:minmax(0,1fr)}.filters{grid-template-columns:minmax(0,1fr) auto;gap:10px}.filters>.field:first-child{grid-column:1/-1}.filters>.field:nth-child(2){min-width:0}.filters>.secondary{min-width:64px}.confirm-panel>h3{font-size:18px}.confirm-details{grid-template-columns:minmax(0,1fr)}.confirm-item{gap:10px}.confirm-flow{font-size:12px}.confirm-checks{padding:12px}.success-head{padding:17px 14px;gap:11px}.success-head h3{font-size:18px}.success-head p{font-size:11px}.ledger-row{gap:10px;font-size:12px}.ledger-row strong{font-size:13px}.ledger-numbers{max-width:140px}.ledger-numbers span{font-size:10px}.record-filters{gap:10px}.record-filters input{padding:10px 8px}.record-card p{font-size:11px}.record-card h3{font-size:13px}.receipt-actions>.primary{flex:1}.selection-fields{gap:12px}.app-message{padding:12px 18px}.mobile-nav{padding-left:10px;padding-right:10px}.login-panel{padding:45px 0}.login-panel h2{font-size:20px}}
@media(max-width:360px){.brand{padding:12px 14px}.identity small{display:none}.identity{font-size:10px}.brand h1{font-size:16px}.brand img{width:43px;height:43px}#app-content{padding:20px 14px 28px}.table-head,.product-row{grid-template-columns:minmax(0,1fr) 57px 83px;gap:6px}.qty{width:54px}.stock-flow{font-size:13px}.product-name{font-size:12px}.confirm-flow{font-size:11px}.steps{font-size:10px}.step-line{margin:0 6px}.record-filters{grid-template-columns:minmax(0,1fr)}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
.heading>.link{flex-shrink:0;white-space:nowrap}

/* Keep the current operation available above the phone navigation. */
#inventory-app{--sidebar-width:164px;--page-edge:max(0px,calc((100vw - 1440px) / 2));--mobile-nav-height:0px;--checkout-height:0px}
#app-content{padding-bottom:calc(40px + var(--mobile-nav-height))}
.has-checkout #app-content{padding-bottom:calc(40px + var(--mobile-nav-height) + var(--checkout-height))}
#checkout-dock{position:fixed;z-index:20;left:calc(var(--page-edge) + var(--sidebar-width));right:var(--page-edge);bottom:var(--mobile-nav-height);display:grid;grid-template-columns:minmax(0,1fr) 160px;gap:18px;align-items:center;padding:12px 30px;background:var(--surface);border-top:1px solid var(--line);box-shadow:0 -3px 16px #123f5409}
.checkout-summary{min-width:0;text-align:left;display:flex;flex-direction:column;align-items:flex-start;gap:2px;padding:0;min-height:58px}
.checkout-summary>span{font-size:12px;color:var(--ink)}
.checkout-summary>strong{font-size:22px;line-height:1.3;color:var(--blue);font-variant-numeric:tabular-nums;overflow-wrap:anywhere;max-width:100%}
.checkout-summary>small{font-size:11px;color:var(--muted);max-width:100%;overflow-wrap:anywhere}
.checkout-primary{min-height:48px;padding:10px 12px}
.has-checkout .app-message{position:fixed;z-index:21;left:calc(var(--page-edge) + var(--sidebar-width));right:var(--page-edge);bottom:calc(var(--mobile-nav-height) + var(--checkout-height));max-height:30dvh;overflow:auto;border-bottom:1px solid var(--line)}
@media(max-width:1000px){#inventory-app{--sidebar-width:142px}#checkout-dock{padding-left:22px;padding-right:22px}}
@media(max-width:820px){#inventory-app{--sidebar-width:0px}.mobile-nav{position:fixed;left:0;right:0}#checkout-dock{padding-left:20px;padding-right:20px}}
@media(max-width:640px){#checkout-dock{grid-template-columns:minmax(0,1fr) 132px;gap:12px;padding:10px 18px}.checkout-summary>strong{font-size:21px}.checkout-primary{font-size:13px}}
@media(max-width:360px){#checkout-dock{grid-template-columns:minmax(0,1fr) 120px;gap:10px;padding-left:14px;padding-right:14px}.checkout-summary>strong{font-size:20px}.checkout-summary>span{font-size:11px}.checkout-summary>small{font-size:10px}}