:root{--bg:#f5f7f8;--surface:#fff;--ink:#17212f;--muted:#64748b;--line:#dce3eb;--primary:#0f172a;--accent:#2563eb;--success:#17803d;--danger:#c02626;--danger-bg:#fff1f2;--radius:9px;--safe-bottom:env(safe-area-inset-bottom,0px)}*{box-sizing:border-box}body{margin:0;min-height:100dvh;color:var(--ink);background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.45}button,input,select,textarea{font:inherit}button{cursor:pointer;-webkit-tap-highlight-color:transparent}.app-container{width:100%;max-width:900px;min-height:100dvh;margin:0 auto;padding-bottom:calc(72px + var(--safe-bottom))}.top-header{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#fff;border-bottom:1px solid var(--line)}.brand-title{display:flex;align-items:center;gap:8px;font-weight:750;font-size:18px}.brand-mark{display:grid;place-items:center;width:30px;height:30px;background:var(--primary);border-radius:7px;color:#fff;font-size:16px}.operator-badge{max-width:132px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:5px 8px;background:#f1f5f9;border-radius:5px;color:var(--muted);font-size:12px}.desktop-nav{display:none;gap:4px}.desktop-nav button{min-height:38px;padding:6px 10px;border:0;border-radius:6px;background:transparent;color:var(--muted);font-size:14px;font-weight:650}.desktop-nav button.active{background:#eef2f7;color:var(--ink)}.main-content{padding:14px}.view-section{display:none}.view-section.active{display:block}.card{margin-bottom:12px;padding:15px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}.card.flush{padding:0;overflow:hidden}.section-title{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px;font-size:15px;font-weight:750}.subtle-button{min-width:44px;min-height:40px;padding:6px 10px;border:0;background:transparent;color:var(--accent);font-size:13px;font-weight:650}.muted-text{color:var(--muted);font-size:12px}.alert-banner{display:none;margin-bottom:12px;padding:10px 12px;border:1px solid #fecaca;border-radius:var(--radius);background:var(--danger-bg);color:var(--danger);font-size:13px;font-weight:650}.alert-banner:not([hidden]){display:block}.quick-actions-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-bottom:12px}.action-btn-card{display:flex;min-height:110px;flex-direction:column;align-items:center;justify-content:center;gap:6px;padding:12px 6px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);color:var(--ink);text-align:center}.action-btn-card:active,.stepper-btn:active,.tag-chip:active{transform:scale(.98);background:#eef2f7}.action-btn-card .icon{font-size:24px}.action-btn-card .label{font-size:13px;font-weight:750}.action-btn-card small{font-size:11px;color:var(--muted)}.form-group{margin-bottom:17px}.form-label{display:block;margin-bottom:7px;color:var(--muted);font-size:13px;font-weight:700}.optional{font-weight:400;color:#94a3b8}.input-control{width:100%;min-height:48px;padding:0 12px;border:1px solid #cbd5e1;border-radius:7px;background:#fff;color:var(--ink);outline:none}.input-control:focus{border-color:var(--accent);box-shadow:0 0 0 3px #2563eb1a}.stepper-container{display:flex;align-items:center;gap:8px}.stepper-btn{width:48px;height:48px;border:1px solid var(--line);border-radius:7px;background:#f8fafc;color:var(--ink);font-size:22px;font-weight:750}.stepper-input{flex:1;text-align:center;font-size:20px;font-weight:750}.reference-box{display:flex;justify-content:space-between;margin-bottom:16px;padding:10px;border-radius:7px;background:#f8fafc;color:var(--muted);font-size:13px}.reference-box strong{color:var(--ink)}.reference-box strong.negative{color:var(--danger)}.count-diff{min-height:20px;margin-top:7px;text-align:center;font-size:13px;font-weight:650}.tag-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.tag-chip{min-height:34px;padding:5px 11px;border:1px solid var(--line);border-radius:18px;background:#f1f5f9;color:var(--ink);font-size:13px}.checkbox-row{display:flex;align-items:center;gap:9px;margin:15px 0}.checkbox-row input{width:20px;height:20px}.btn-submit{display:flex;align-items:center;justify-content:center;width:100%;min-height:52px;border:0;border-radius:8px;background:var(--primary);color:#fff;font-weight:750}.tab-pill-group{display:flex;margin-bottom:14px;padding:3px;border-radius:8px;background:#e9eef4}.tab-pill{flex:1;min-height:44px;border:0;border-radius:6px;background:transparent;color:var(--muted);font-size:13px;font-weight:750}.tab-pill.active{background:#fff;color:var(--ink);box-shadow:0 1px 3px #0f172a1a}.search-row{display:flex;gap:8px}.search-row select{max-width:145px}.product-card{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;min-height:70px;padding:11px 13px;border:0;border-bottom:1px solid #edf1f5;background:#fff;text-align:left}.product-card:last-child{border-bottom:0}.product-info{min-width:0}.product-info .title{display:block;overflow:hidden;font-size:15px;font-weight:750;text-overflow:ellipsis;white-space:nowrap}.product-info .meta{display:block;margin-top:2px;color:var(--muted);font-size:12px}.stock-badge-box{flex:none;text-align:right}.stock-num{font-size:19px;font-weight:800}.stock-num.negative{color:var(--danger)}.stock-unit{margin-left:2px;color:var(--muted);font-size:12px}.ledger-item{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;padding:11px 0;border-bottom:1px solid #eef2f5;font-size:13px}.ledger-item:last-child{border-bottom:0}.ledger-name{font-weight:700;font-size:14px}.ledger-meta{margin-top:2px;color:var(--muted);font-size:12px}.ledger-delta{flex:none;font-size:16px;font-weight:800}.delta-up{color:var(--success)}.delta-down{color:var(--danger)}.empty{padding:24px 12px;color:var(--muted);font-size:13px;text-align:center}.rank-row{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid #eef2f5;font-size:13px}.rank-row:last-child{border-bottom:0}.rank-no{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:#eef2f7;color:#475569;font-weight:750}.rank-main{flex:1}.rank-main strong{display:block}.rank-main span{color:var(--muted);font-size:12px}.history-modal{position:fixed;inset:0;z-index:40;display:none;align-items:flex-end;background:#0008}.history-modal.active{display:flex}.modal-sheet{display:flex;width:100%;max-width:900px;max-height:85dvh;flex-direction:column;margin:auto 0 0;background:#fff;border-radius:15px 15px 0 0}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:16px;border-bottom:1px solid var(--line)}.modal-title{font-size:16px;font-weight:800}.modal-subtitle{margin-top:2px;color:var(--muted);font-size:12px}.modal-close{width:44px;height:44px;border:0;border-radius:7px;background:#f1f5f9;font-size:20px}.modal-body{overflow:auto;padding:0 16px 16px}.history-section{padding:16px 0;border-bottom:1px solid var(--line)}.history-section h3{margin:0 0 6px;font-size:14px}.toast-container{position:fixed;top:20px;left:50%;z-index:100;pointer-events:none;transform:translateX(-50%)}.toast{display:none;padding:10px 17px;border-radius:22px;background:#0f172a;color:#fff;box-shadow:0 4px 14px #0f172a40;font-size:14px}.toast.show{display:block}.toast.success{background:#15803d}.toast.error{background:#b91c1c}.bottom-nav{position:fixed;right:0;bottom:0;left:0;z-index:30;display:flex;height:calc(59px + var(--safe-bottom));padding-bottom:var(--safe-bottom);border-top:1px solid var(--line);background:#fff}.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;border:0;background:transparent;color:var(--muted);font-size:11px;font-weight:700}.nav-item.active{color:var(--accent)}.nav-item .icon{font-size:19px}.login-page{display:grid;place-items:center;min-height:100dvh;padding:20px}.login-panel{width:min(100%,420px);padding:26px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 30px #0f172a12}.login-panel .brand-mark{margin-bottom:16px}.login-panel h1{margin:0 0 8px;font-size:24px}.lead{margin:0 0 24px;color:var(--muted)}.form{display:grid;gap:16px}.field{display:grid;gap:7px;color:var(--muted);font-size:13px;font-weight:700}.field input{width:100%;min-height:48px;padding:10px 12px;border:1px solid #cbd5e1;border-radius:7px}.hint{margin:14px 0 0;color:var(--muted);font-size:12px;text-align:center}@media(min-width:768px){.app-container{padding-bottom:24px;margin-top:16px}.top-header{position:static;border:1px solid var(--line);border-radius:var(--radius) var(--radius) 0 0}.desktop-nav{display:flex}.bottom-nav{display:none}.card{box-shadow:0 1px 3px #0f172a0d}.main-content{padding:16px}.history-modal{align-items:center}.modal-sheet{margin:auto;border-radius:12px;max-height:75dvh}}@media(max-width:390px){.operator-badge{display:none}.quick-actions-grid{gap:6px}.action-btn-card{min-height:100px}.action-btn-card .label{font-size:12px}}
.header-actions{display:flex;align-items:center;gap:6px}.inline-link{padding:0;border:0;background:transparent;color:var(--accent);font-size:12px}.record-empty{display:grid;gap:8px;padding:18px;margin-bottom:16px;border:1px dashed var(--line);border-radius:8px;background:#f8fafc}.record-empty strong{font-size:16px}.record-empty span{color:var(--muted);font-size:13px}.secondary-submit{background:#334155}.record-product-form{display:grid;gap:10px;padding:14px;margin-bottom:16px;border:1px solid var(--line);border-radius:8px;background:#f8fafc}.record-product-form .form-group{margin-bottom:0}.inline-form-actions{display:flex;align-items:center;gap:10px}.inline-form-actions .btn-submit{flex:1}.btn-submit:disabled{opacity:.45;cursor:not-allowed}.modal-actions{display:flex;gap:8px;padding:10px 16px;border-top:1px solid var(--line)}.modal-form{display:grid;gap:9px;padding:12px 16px;border-top:1px solid var(--line)}.modal-form .input-control{min-height:42px}
.info-row{margin-bottom:14px}.info-pill-box{display:flex;align-items:center;justify-content:space-between;min-width:0;padding:8px 10px;border:1px solid var(--line);border-radius:7px;background:#f8fafc;color:var(--muted);font-size:13px}.info-pill-box strong{color:var(--ink)}.info-pill-box input{width:calc(100% - 30px);min-width:0;padding:0;border:0;background:transparent;color:var(--ink);font-size:13px;font-weight:650;outline:0}.info-pill-box input::-webkit-calendar-picker-indicator{opacity:.7}
.view-record form>.btn-submit{position:sticky;bottom:calc(64px + var(--safe-bottom));z-index:4;box-shadow:0 -6px 12px #fff}
.label-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:7px}.label-row .form-label{margin-bottom:0}.req{margin-left:2px;color:var(--danger)}.form-row-2col{display:grid;grid-template-columns:1fr 1fr;gap:10px}.form-row-2col .form-group{min-width:0}.price-heading{margin:4px 0 7px;color:var(--muted);font-size:12px}.price-input-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.price-input-grid .form-group{min-width:0;margin-bottom:8px}.priority-label{color:var(--ink)}.product-price-badges{display:flex;flex-wrap:wrap;gap:5px;margin-top:5px;font-size:11px}.price-tag{padding:1px 5px;border:1px solid var(--line);border-radius:4px;background:#f8fafc;color:var(--muted)}.price-tag strong{color:var(--ink)}.price-tag.cost{border-color:#bfdbfe;background:#eff6ff;color:#1d4ed8}.product-form{display:grid;gap:0;padding:16px}.product-form .form-group{margin-bottom:13px}@media(max-width:520px){.form-row-2col{gap:8px}.price-input-grid{gap:5px}.price-input-grid .form-label{font-size:12px}.price-input-grid .input-control{padding:0 7px}.product-price-badges{gap:3px;font-size:10px}.price-tag{padding:1px 4px}}
.brand-mark svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.action-btn-card .icon{display:grid;place-items:center;width:28px;height:28px;color:var(--accent)}.action-btn-card .icon svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.product-card{min-height:80px}.product-thumb{flex:none;width:56px;height:56px;border:1px solid var(--line);border-radius:7px;object-fit:cover;background:#eef2f7}.product-info{flex:1}.nav-item .icon{display:grid;place-items:center;width:21px;height:21px}.nav-item .icon svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.category-pills{display:flex;gap:8px;overflow-x:auto;margin-top:10px;padding-bottom:2px;scrollbar-width:none}.category-pills::-webkit-scrollbar{display:none}.category-pill{flex:none;min-height:36px;padding:6px 11px;border:1px solid var(--line);border-radius:18px;background:#fff;color:var(--muted);font-size:13px;font-weight:650}.category-pill.active{border-color:#bfdbfe;background:#eff6ff;color:#1d4ed8}.image-preview{margin-top:8px}.image-preview img{display:block;width:72px;height:72px;border:1px solid var(--line);border-radius:7px;object-fit:cover}.category-list{padding-top:8px}.category-row{display:flex;align-items:center;gap:8px;padding:10px 0;border-bottom:1px solid #eef2f5}.category-row:last-child{border-bottom:0}.category-name-input{flex:1;min-width:0;min-height:40px;padding:0 9px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--ink)}.danger-link{color:var(--danger)}
.category-row{justify-content:space-between;margin-bottom:8px;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:#f8fafc}.category-row>div{display:flex;gap:10px}.category-row .inline-link{min-height:38px;padding:6px 12px;border:1px solid #bfdbfe;border-radius:6px;background:#eff6ff;color:#1d4ed8;font-size:13px;font-weight:650}.category-row .danger-link{border-color:#fecaca;background:#fef2f2;color:#dc2626}.category-name-input{height:38px;border-color:transparent;background:transparent;font-size:15px;font-weight:550}.category-name-input:focus{border-color:var(--accent);background:#fff}.admin-only[hidden]{display:none!important}
.user-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid #eef2f5}.user-row:last-child{border-bottom:0}.user-row strong,.user-row span{display:block}.user-row span{margin-top:3px;color:var(--muted);font-size:12px}.user-actions{display:flex;gap:8px;flex:none}.user-actions .inline-link{min-height:38px;padding:6px 10px;border:1px solid #bfdbfe;border-radius:6px;background:#eff6ff}.user-actions .danger-link{border-color:#fecaca;background:#fef2f2;color:var(--danger)}
*,*::before,*::after,input,button,select,textarea{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}.product-main{display:flex;align-items:center;gap:12px;min-width:0;flex:1;padding:0;border:0;background:transparent;text-align:left}.stock-action-box{display:flex;flex:none;flex-direction:column;align-items:flex-end;gap:6px;min-width:102px}.card-quick-btns{display:flex;gap:4px}.btn-quick-in,.btn-quick-out{min-height:34px;padding:4px 8px;border:1px solid var(--line);border-radius:6px;font-size:12px;font-weight:650}.btn-quick-in{border-color:#bfdbfe;background:#eff6ff;color:#1d4ed8}.btn-quick-out{background:#fff;color:#475569}.btn-quick-in:active,.btn-quick-out:active{transform:scale(.95)}.custom-file-upload{display:flex;align-items:center;gap:10px;min-height:50px;padding:8px 12px;border:1px dashed var(--line);border-radius:var(--radius);background:#f8fafc;cursor:pointer}.custom-file-upload:hover{border-color:var(--accent);background:#f1f5f9}.custom-file-upload .upload-icon{display:grid;place-items:center;width:24px;height:24px;color:var(--muted)}.custom-file-upload svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.custom-file-upload .upload-text{color:var(--muted);font-size:13px}.custom-file-upload .file-name{overflow:hidden;color:var(--ink);font-size:13px;font-weight:550;text-overflow:ellipsis;white-space:nowrap}.hidden-file-input{display:none!important}.quick-stock-sheet .modal-body{display:grid;gap:12px}.quick-stock-kind{color:var(--accent);font-size:13px;font-weight:750}.quick-stepper{margin:4px 0}.quick-stepper .stepper-input{min-height:64px;font-size:28px}.quick-stock-sheet .btn-submit{margin-top:4px}
body.modal-open{overflow:hidden!important;height:100dvh;touch-action:none}.history-modal{overscroll-behavior:contain;padding:0}.modal-sheet{width:100%;max-width:900px;max-height:85dvh;overflow:hidden}.modal-header{flex:none}.modal-tabs{display:flex;flex:none;gap:8px;padding:4px 16px;border-bottom:1px solid var(--line);background:#f8fafc}.modal-tab{flex:1;min-height:42px;border:0;border-bottom:2px solid transparent;background:transparent;color:var(--muted);font-size:13px;font-weight:650}.modal-tab.active{border-bottom-color:var(--accent);color:var(--accent)}.detail-modal-body{display:block;flex:1 1 auto;min-height:0;overflow-y:auto!important;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}.detail-tab-pane{display:none}.detail-tab-pane.active{display:block}.detail-tab-pane .modal-form{display:grid;gap:14px;padding:16px}.detail-tab-pane #editProductButton{margin:0 16px 16px;width:calc(100% - 32px)}
@media(min-width:768px){.history-modal{align-items:center;padding:20px}.modal-sheet{width:min(100%,540px);max-height:80vh;margin:auto;border-radius:12px;box-shadow:0 20px 25px -5px #0003}}
/* ponytail: a single stock screen needs no one-item navigation bar. */
.erp-trial .bottom-nav,.erp-trial .desktop-nav{display:none}.erp-trial .app-container{padding-bottom:env(safe-area-inset-bottom,0px)}
.btn-quick-in,.btn-quick-out,.category-pill,.subtle-button,.modal-close{min-height:44px;min-width:44px}.card-quick-btns{gap:8px}.btn-quick-in,.btn-quick-out{padding:6px 10px}.category-pills{gap:8px}button:disabled{opacity:.55;cursor:wait}button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.modal-body{touch-action:pan-y}

/* ponytail: establish hierarchy with a few durable surfaces, keeping the existing DOM. */
.inventory-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:4px 2px 14px}.inventory-heading h1{margin:2px 0 0;font-size:25px;line-height:1.15;letter-spacing:-.02em}.inventory-heading p{margin:5px 0 0;color:var(--muted);font-size:13px}.eyebrow{color:#64748b;font-size:11px;font-weight:750;letter-spacing:.1em}.inventory-heading-actions{display:flex;align-items:center;gap:4px}.btn-primary{min-height:44px;padding:0 14px;border:0;border-radius:8px;background:var(--primary);color:#fff;font-size:13px;font-weight:750;box-shadow:0 2px 5px #0f172a1c}.btn-primary:active{transform:translateY(1px);background:#1e293b}.inventory-toolbar{padding:12px 14px}.inventory-toolbar .search-row{align-items:center}.inventory-toolbar .search-row .input-control{height:44px}.inventory-toolbar .subtle-button{flex:none;padding:6px 8px;color:var(--ink);border:1px solid var(--line);border-radius:7px;background:#f8fafc}.product-card{min-height:88px;padding:13px 14px;transition:background .12s}.product-card:active{background:#f8fafc}.product-main{gap:11px}.product-thumb{width:54px;height:54px;border-radius:8px}.product-info .title{font-size:15px;line-height:1.3}.product-info .meta{margin-top:4px}.product-price-badges{display:flex;gap:4px;flex-wrap:wrap;margin-top:7px}.price-tag{padding:2px 5px;border:1px solid #e2e8f0;border-radius:4px;background:#f8fafc;color:var(--muted);font-size:10px}.price-tag strong{color:var(--ink);font-weight:700}.price-tag.cost{color:#1d4ed8;background:#eff6ff;border-color:#bfdbfe}.stock-action-box{min-width:105px}.stock-num{font-variant-numeric:tabular-nums;font-size:21px;line-height:1}.stock-unit{font-size:11px}.btn-quick-in,.btn-quick-out{border-radius:7px;font-size:12px;font-weight:750}.alert-pill{border-color:#fecaca;background:#fff1f2;color:#be123c}.category-pill.active.alert-pill{border-color:#be123c;background:#be123c;color:#fff}.detail-action-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:16px 0 2px}.detail-action{min-height:46px;border:1px solid var(--line);border-radius:8px;background:#f8fafc;color:var(--ink);font-size:13px;font-weight:750}.detail-action.inbound{border-color:#bfdbfe;background:#eff6ff;color:#1d4ed8}.detail-action:active{transform:scale(.98)}
.depot-row{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-top:1px solid #eef2f5;color:var(--muted);font-size:13px}.depot-row:first-of-type{border-top:0}.depot-row strong{color:var(--ink);font-variant-numeric:tabular-nums}
.card-quick-btns{gap:0;border:1px solid #cbd5e1;border-radius:8px;overflow:hidden}.card-quick-btns button{border:0;border-radius:0;min-height:44px}.card-quick-btns .btn-quick-in{border-right:1px solid #cbd5e1}.category-row .inline-link{min-height:44px}.quick-stock-sheet .form-group{margin-bottom:0}.quick-stock-sheet .modal-body{padding-top:12px;padding-bottom:calc(16px + var(--safe-bottom));gap:10px}.quick-stock-sheet .stepper-input{min-width:0}.product-info .meta{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.history-section p{margin:6px 0;font-size:13px}.modal-tab[aria-selected="true"]{font-weight:750}.category-pill.active{background:var(--primary);border-color:var(--primary);color:#fff}
@media(max-width:520px){.product-info .product-price-badges{display:flex}.product-info .price-tag.cost,.product-info .price-tag:has(+ .price-tag){display:none}.product-thumb{width:40px;height:40px}.product-main{gap:8px}.product-info .title{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.product-card{gap:8px}.card-quick-btns{gap:0}.product-info .meta{max-width:100%}.category-row{flex-wrap:wrap}.category-name-input{flex-basis:100%;min-height:44px}.category-row>div{width:100%;justify-content:flex-end}.modal-tabs{gap:0;padding:4px 10px}}
@media(max-width:520px){.inventory-heading{align-items:flex-start;flex-direction:column;gap:10px}.inventory-heading-actions{width:100%}.inventory-heading-actions .btn-primary{flex:1}.inventory-toolbar .search-row{flex-wrap:wrap}.inventory-toolbar .search-row .input-control{min-width:0;flex:1}.product-card{align-items:flex-start}.product-info .product-price-badges{display:none}.stock-action-box{padding-top:2px}.card-quick-btns{gap:4px}.btn-quick-in,.btn-quick-out{padding:5px 7px;font-size:11px}}
@media(min-width:768px){.inventory-heading h1{font-size:29px}.inventory-toolbar{box-shadow:0 1px 3px #0f172a0b}.product-card{min-height:94px}.product-card:hover{background:#fbfcfe}}
.compact-inventory-toolbar{position:sticky;top:0;z-index:12;margin:0 -1px 12px;padding:9px 12px;border:1px solid var(--line);border-radius:0 0 9px 9px;background:#fff;box-shadow:0 3px 10px #0f172a0a}.compact-inventory-toolbar .search-row{align-items:center}.compact-inventory-toolbar .input-control{height:42px;min-height:42px;background:#f8fafc}.compact-inventory-toolbar .subtle-button,.compact-inventory-toolbar .btn-primary{min-height:42px}.compact-inventory-toolbar .category-pills{margin:7px 0 0}.inventory-toolbar-meta{display:flex;justify-content:space-between;align-items:center;min-height:28px;color:var(--muted);font-size:12px}.inventory-toolbar-meta .subtle-button{min-height:32px;padding:3px 8px;font-size:12px}.role-staff .admin-only{display:none!important}.role-staff .app-container{padding-bottom:16px}.role-staff .top-header{position:sticky;top:0}.ledger-clean-row{padding:13px 0;border-bottom:1px solid #eef2f5}.ledger-clean-row:last-child{border-bottom:0}.ledger-clean-heading{display:flex;align-items:center;gap:8px;min-width:0}.ledger-clean-heading strong{min-width:0;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px}.ledger-type{flex:none;padding:3px 6px;border-radius:4px;font-size:11px;font-weight:750}.ledger-type.in{background:#dcfce7;color:#15803d}.ledger-type.out{background:#f1f5f9;color:#475569}.ledger-type.count{background:#fef3c7;color:#b45309}.ledger-clean-meta{margin-top:5px;color:var(--muted);font-size:12px}.ledger-note,.ledger-reference{display:inline-block;margin-top:6px;margin-right:5px;padding:2px 7px;border:1px solid var(--line);border-radius:4px;background:#f8fafc;color:#475569;font-size:11px}.ledger-reference{color:#64748b}.stats-range{display:flex;gap:4px;padding:3px;border-radius:7px;background:#f1f5f9}.stats-range-button{flex:1;min-height:38px;border:0;border-radius:5px;background:transparent;color:var(--muted);font-size:13px;font-weight:700}.stats-range-button.active{background:#fff;color:var(--ink);box-shadow:0 1px 3px #0f172a1a}
@media(max-width:520px){.compact-inventory-toolbar{margin:0 -14px 12px;border-right:0;border-left:0;border-radius:0;padding:8px 14px}.compact-inventory-toolbar .search-row{gap:5px}.compact-inventory-toolbar .subtle-button{min-width:40px;padding:4px}.compact-inventory-toolbar .btn-primary{padding:0 10px}.inventory-toolbar-meta{min-height:25px}.stats-range-button{font-size:12px}}
.category-line{display:flex;gap:6px;align-items:center}.category-line .category-pills{flex:1;min-width:0}.category-line>#manageCategoriesButton{margin-top:7px}.compact-inventory-toolbar{top:68px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.role-staff .bottom-nav,.role-staff .desktop-nav{display:none}.role-staff .operator-badge{display:block!important}.role-staff .brand-title{display:none}.product-info .product-price-badges{display:flex!important}.role-admin .product-info .price-tag{display:inline-block!important}.ledger-delta{font-variant-numeric:tabular-nums}.ledger-reference,.ledger-note{overflow-wrap:anywhere;max-width:100%}.stats-range-button{min-height:44px}.compact-inventory-toolbar button{min-height:44px!important}.compact-inventory-toolbar .search-row{flex-wrap:nowrap}.compact-inventory-toolbar .search-row .input-control{min-width:0;flex:1}.product-main .product-info{flex:1;min-width:0}
@media(min-width:768px){.compact-inventory-toolbar{top:0}}@media(max-width:520px){.role-admin .product-info .price-tag{font-size:10px}.role-staff .product-info .price-tag{display:inline-block}.role-staff .compact-inventory-toolbar{top:68px}}

/* ponytail: keep the inventory console to two stable rows on narrow screens. */
.compact-inventory-toolbar .search-row{display:flex;align-items:center;gap:6px;flex-wrap:nowrap}
.compact-inventory-toolbar .search-row .input-control{flex:1;min-width:0}
.compact-inventory-toolbar .search-row .subtle-button,.compact-inventory-toolbar .search-row .btn-primary{height:42px;min-height:42px;flex:0 0 auto;border-radius:8px}
.compact-inventory-toolbar .search-row .subtle-button{padding:0 10px}
.compact-inventory-toolbar .refresh-inline{width:42px;padding:0!important;font-size:22px;line-height:1;color:var(--muted)}
.compact-inventory-toolbar .refresh-inline span[aria-hidden]{display:block;transform:translateY(-1px)}
.compact-inventory-toolbar .refresh-inline:active span[aria-hidden]{transform:rotate(90deg)}
.compact-inventory-toolbar .category-line{display:flex;align-items:center;gap:6px;min-width:0;margin-top:7px}
.compact-inventory-toolbar .category-line .category-pills{flex:1;min-width:0;margin:0;gap:8px}
.category-manage-pill{display:flex;align-items:center;justify-content:center;flex:0 0 auto;min-width:44px;height:36px;padding:0 10px;border:1px dashed var(--line);border-radius:18px;background:#fff;color:var(--muted);font-size:13px;font-weight:650;white-space:nowrap}
.category-manage-pill:active{background:#f1f5f9}
@media(max-width:390px){.compact-inventory-toolbar .search-row{gap:5px}.compact-inventory-toolbar .search-row .subtle-button{padding:0 8px}.compact-inventory-toolbar .search-row .btn-primary{padding:0 9px}.compact-inventory-toolbar .refresh-inline{width:40px}.category-manage-pill{padding:0 9px}}
/* ponytail: native CSS feedback, no forced reflow or permanent GPU layers. */
:root{--ease-snappy:cubic-bezier(.16,1,.3,1)}
button,.product-card{transition:transform .12s ease,opacity .12s ease}
button:active:not(:disabled){transform:scale(.96);opacity:.88}.product-main:active{transform:scale(.985)}
.history-modal.active .modal-sheet{animation:sheetEnter .22s var(--ease-snappy)}
@keyframes sheetEnter{from{transform:translate3d(0,100%,0)}to{transform:translate3d(0,0,0)}}
.toast,.toast.show{display:block}.toast{opacity:0;transform:translate3d(0,-12px,0) scale(.96);transition:transform .22s var(--ease-snappy),opacity .18s ease}.toast.show{opacity:1;transform:translate3d(0,0,0) scale(1)}
.stock-num{display:inline-block;transform-origin:center}
@keyframes stockIn{45%{transform:scale(1.15);opacity:.7}100%{transform:scale(1);opacity:1}}
@keyframes stockOut{45%{transform:scale(.92);opacity:.7}100%{transform:scale(1);opacity:1}}
.stock-pulse-in{color:var(--success);animation:stockIn .22s var(--ease-snappy)}.stock-pulse-out{color:var(--danger);animation:stockOut .22s var(--ease-snappy)}.stock-pulse-count{animation:stockIn .22s var(--ease-snappy)}
.category-pills{overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch}
@media(min-width:768px){.history-modal.active .modal-sheet{animation:dialogEnter .18s var(--ease-snappy)}}
@keyframes dialogEnter{from{transform:translate3d(0,8px,0) scale(.98);opacity:0}to{transform:translate3d(0,0,0) scale(1);opacity:1}}
@media(prefers-reduced-motion:reduce){*,::before,::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}button:active:not(:disabled),.product-main:active{transform:none}.stock-pulse-in,.stock-pulse-out,.stock-pulse-count{color:inherit}}
.inventory-secondary{display:flex;justify-content:flex-end;gap:8px;padding-top:4px}.batch-row{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:14px 0;border-bottom:1px solid var(--border)}.batch-row div{min-width:0}.batch-row small{display:block;color:var(--muted);margin-top:4px}.ledger-filters{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px;margin-bottom:14px}.ledger-filters input[type=search]{grid-column:1/-1}.trend-chart{height:110px;display:flex;align-items:stretch;gap:4px;margin:18px 0;border-bottom:1px solid var(--border)}.trend-bar{display:flex;align-items:flex-end;flex:1;gap:1px;min-width:0}.trend-bar i,.trend-bar b{flex:1;border-radius:2px 2px 0 0;min-height:1px}.trend-bar i{background:#10b981}.trend-bar b{background:#64748b}#statsBasis{font-size:12px;line-height:1.6}.category-row>div{display:flex;gap:8px}.category-row .inline-link,.user-actions .inline-link{min-width:48px;min-height:44px;border:1px solid var(--border);border-radius:7px;background:#f8fafc;padding:6px 10px}.modal-form input:not(.input-control){width:100%;min-height:44px;padding:10px;border:1px solid var(--border);border-radius:8px}#ledgerMore{width:100%;min-height:44px;margin-top:14px}
.inventory-tool-row{display:flex;justify-content:flex-end;gap:6px;padding-top:7px}.inventory-tool-row .subtle-button{min-width:44px}.ledger-search{margin:2px 0 8px}.ledger-filters{margin:8px 0 0}.ledger-filters input[type=search]{grid-column:auto}#ledgerAdvancedFilters{border-top:1px solid #eef2f5;border-bottom:1px solid #eef2f5}#ledgerAdvancedFilters summary{min-height:44px;display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:13px;font-weight:650;cursor:pointer;list-style:none}#ledgerAdvancedFilters summary::-webkit-details-marker{display:none}#ledgerAdvancedFilters summary::after{content:'＋';font-size:18px;color:var(--accent)}#ledgerAdvancedFilters[open] summary::after{content:'−'}#ledgerAdvancedFilters summary span{margin-left:auto;margin-right:8px;font-size:12px;font-weight:500;color:#94a3b8}.export-sheet-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:18px}.export-sheet-grid button{min-height:48px;border:1px solid var(--line);border-radius:9px;background:#f8fafc;color:var(--ink);font-size:14px;font-weight:650}.export-sheet-grid button:last-child{background:#0f172a;color:#fff;border-color:#0f172a}.reference-add{width:100%;margin-bottom:12px}.detail-action.outbound{border-color:#cbd5e1;background:#f8fafc;color:#334155}.detail-action.count{border-color:#fde68a;background:#fffbeb;color:#b45309}
/* ponytail: two stable shells; content scrolls instead of moving the action targets. */
.history-modal{top:var(--modal-top,0px);bottom:auto;height:var(--modal-viewport,100dvh)}
.history-modal.active{animation:overlayEnter .2s ease}
@keyframes overlayEnter{from{opacity:0}to{opacity:1}}
.modal-sheet.sheet-compact{height:46dvh;max-height:calc(var(--modal-viewport,100dvh) - 16px)}
.modal-sheet.sheet-standard{height:85dvh;max-height:calc(var(--modal-viewport,100dvh) - 16px)}
.modal-sheet>.modal-body{flex:1 1 0;min-height:0;overflow-y:auto;overscroll-behavior:contain;scroll-padding:16px}
.quick-stock-sheet .modal-body{align-content:start;grid-auto-rows:max-content}
.modal-actions{flex:0 0 auto;background:#fff;padding-bottom:calc(10px + var(--safe-bottom))}
.modal-actions>.btn-submit{flex:1;min-width:0}.modal-actions>.subtle-button{flex:none}
[data-detail-footer][hidden]{display:none!important}
#categoryForm,.modal-sheet>.modal-tabs{flex:none}
.detail-tab-pane.active{animation:paneEnter .15s var(--ease-snappy)}
@keyframes paneEnter{from{opacity:0;transform:translate3d(0,4px,0)}to{opacity:1;transform:translate3d(0,0,0)}}
.input-control:focus{border-color:#475569;box-shadow:0 0 0 3px #0f172a14}
.btn-submit[aria-busy="true"]{opacity:.7}
@media(min-width:768px){.modal-sheet.sheet-compact{width:min(100%,440px);height:440px;max-height:calc(var(--modal-viewport,100dvh) - 40px)}.modal-sheet.sheet-standard{width:min(100%,540px);height:580px;max-height:calc(var(--modal-viewport,100dvh) - 40px)}}
@media(prefers-reduced-motion:reduce){.history-modal.active,.detail-tab-pane.active{animation:none!important}}
/* ponytail: optional details use native disclosure; no client-side stock calculations. */
[hidden]{display:none!important}.login-overlay{position:fixed;inset:0;z-index:90;background:var(--bg,#f8fafc);overflow-y:auto}.network-state{position:fixed;top:0;left:0;right:0;z-index:110;padding:10px 14px;background:#fef3c7;color:#92400e;font-size:13px;text-align:center}.toast-container{z-index:120}#quickExtras summary{min-height:44px;display:flex;align-items:center;color:var(--muted);cursor:pointer}#quickExtras[open]{display:grid;gap:10px}.tools-tabs{overflow-x:auto}.tools-tabs button{min-width:72px}#toolsList .user-row{flex-wrap:wrap}#toolsList small,#operationList small{overflow-wrap:anywhere}#referenceForm{padding:0 0 16px}.export-actions{display:flex;flex-wrap:wrap;gap:4px}.section-title:has(.export-actions){align-items:flex-start;flex-wrap:wrap}.chart-legend{display:flex;gap:14px;font-size:12px;margin:8px 0 14px}.chart-legend span::before{content:'';display:inline-block;width:8px;height:8px;border-radius:2px;margin-right:5px}.chart-legend .in::before{background:#10b981}.chart-legend .out::before{background:#64748b}.trend-chart{overflow-x:auto;height:135px;padding-bottom:24px;gap:6px}.trend-bar{position:relative;flex:none;width:32px;padding:0;border:0;background:none;min-height:80px;align-items:flex-end}.trend-bar small{position:absolute;top:100%;left:0;width:100%;font-size:10px;color:var(--muted);white-space:nowrap}.inventory-secondary{flex-wrap:wrap}.category-line{min-width:0}#categoryParent{max-width:150px}#categoryForm{display:flex;flex-wrap:wrap;gap:8px;padding:12px}#newCategoryName{min-width:0;flex:1}#accountModal .modal-body{padding:16px}.category-name-input{min-width:100px}.subtle-button[href]{display:inline-flex;align-items:center;min-height:44px;color:var(--accent);text-decoration:none}
[hidden]{display:none!important}
#accountModal .settings-body-clean{padding:16px;background:var(--bg)}
#accountModal .profile-card-tile{display:flex;align-items:center;gap:12px;margin:0 0 20px;padding:14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
#accountModal .avatar-badge{display:grid;place-items:center;flex:none;width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;font-weight:750}
#accountModal .profile-info-group{display:grid;flex:1;min-width:0;gap:2px}
#accountModal .user-display-name{overflow:hidden;color:var(--ink);font-size:15px;text-overflow:ellipsis;white-space:nowrap}
#accountModal .user-meta-sub{color:var(--muted);font-size:12px}
#accountModal .btn-rename-pill{min-height:36px;padding:5px 10px;border:1px solid var(--line);border-radius:18px;background:#f8fafc;color:var(--accent);font-size:13px;font-weight:650}
#accountModal .profile-edit-form{display:flex;align-items:end;gap:8px;margin:-10px 0 18px;padding:12px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
#accountModal .profile-edit-form .field{flex:1;min-width:0}
#accountModal .profile-edit-form .subtle-button{min-height:44px;border:1px solid var(--line);border-radius:7px;background:#f8fafc}
#accountModal .settings-group-title{margin:18px 0 7px 3px;color:var(--muted);font-size:12px;font-weight:700}
#accountModal .settings-cell-group{overflow:hidden;margin-bottom:14px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
#accountModal .settings-cell{display:flex;width:100%;min-height:50px;align-items:center;justify-content:space-between;padding:0 14px;border:0;border-bottom:1px solid var(--line);background:#fff;color:var(--ink);font-size:14px;text-align:left}
#accountModal .settings-cell:last-child{border-bottom:0}
#accountModal .settings-cell:active,#accountModal .settings-cell.active{background:#f1f5f9}
#accountModal .cell-chevron{color:#94a3b8;font-size:21px;line-height:1}
#accountModal .account-subpanel{margin:12px 0;padding:14px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
#accountModal .account-subpanel h3{margin:0 0 10px;font-size:14px}
#accountModal .account-subpanel .subtle-button{min-height:44px;border:1px solid var(--line);border-radius:7px;background:#f8fafc}
#accountModal .settings-logout{width:100%;min-height:48px;margin-top:8px;border:1px solid #fecaca;border-radius:7px;background:#fff;color:var(--danger);font-weight:700}